US Pat. No. 10,890,299

LED FILAMENT LAMP

Zhejiang Z-Light Optoelec...

1. An LED filament lamp, comprisinga transparent hood with an opening at a lower end;
a lamp cap connected to the lower end of the transparent hood;
a light emitting source arranged in the transparent hood;
a support base arranged in a space enclosed by the transparent hood and the lamp cap,
wherein the light emitting source is fixed at the support base, a lower end of the light emitting source is connected with the lamp cap through a current limiting resistor, and the light emitting source comprises:
a single strip-shaped substrate, two ends of the strip-shaped substrate being conductive electrical connecting ends; and
a plurality of LED wafers, wherein the plurality of LED wafers are connected in turn and arranged on the strip-shaped substrate at an interval to form a strip-shaped LED wafer set, a rectifying unit electrically connected with the strip-shaped LED wafer set is arranged at each one of the two ends of the strip-shaped LED wafer set, each one of the rectifying units is fixed on the strip-shaped substrate and is connected with each corresponding one of the electrical connecting ends, each one of the electrical connecting ends is capable of being directly connected with an alternating current and energizes the strip-shaped LED wafer set to lighten the LED wafers,
wherein the rectifying units include a first rectifying unit and a second rectifying unit which are arranged on one side of the strip-shaped LED wafer set, and a third rectifying unit and a fourth rectifying unit which are arranged on the other side of the strip-shaped LED wafer set, the four rectifying units and the strip-shaped LED wafer set a communicate with one another to form a rectifying circuit wherein a first conductor and a second conductor are respectively arranged on two lateral sides of the face, on which the LED wafers are fixed, of the strip-shaped substrate, the first conductor is connected with an output terminal of the first rectifying unit, an input terminal of the strip-shaped LED wafer set, and an output terminal of the fourth rectifying unit, and the second conductor is connected with an input terminal of the second rectifying unit, an output terminal of the strip-shaped LED wafer set, and an input terminal of the third rectifying unit,
wherein the first rectifying unit and the second rectifying unit are oppositely arranged, the third rectifying unit and the fourth rectifying unit are oppositely arranged, each one of the rectifying units comprises at least one LED wafer and when each one of the rectifying units is internally provided with a plurality of LED wafers, the LED wafers in each one of the rectifying units are arranged toward the same direction,
wherein the strip-shaped LED wafer set and the rectifying units all are arranged on the same side of the strip-shaped substrate; the LED wafers in the strip-shaped LED wafer set are connected toward the same direction,
wherein the strip-shaped substrate is a transparent or non-transparent strip-shaped substrate, and glue mixed with fluorescent powder is applied to the two sides of the strip-shaped substrate, and
wherein when the lamp cap is connected with an external circuit, a current path is formed between the lamp cap, the current limiting resistor, and the light emitting source to energize the light emitting source, so that the light emitting source emits light.

US Pat. No. 10,890,298

LIQUID DETECTION DEVICE WITH WIRELESS COMMUNICATOR

FISHER CONTROLS INTERNATI...

1. A liquid detection device to detect and provide an indication of liquid contamination in a pneumatic supply, the device comprising:a housing comprising a sensor body and an electronics case fluidly sealed from the sensor body, the sensor body adapted to be exposed to the pneumatic supply;
an electronic liquid sensor carried by the housing and configured to be coupled to the pneumatic supply and to detect the presence of liquid in the pneumatic supply; and
a wireless communicator carried by the housing and configured to transmit data from the electronic liquid sensor to a communication node on a plant computer network,
wherein the electronic liquid sensor comprises a water sensor configured to detect the presence and/or amount of water in the pneumatic supply, and detection circuitry connected to the water sensor and configured to detect the presence and/or amount of water detected by the water sensor,
wherein the water sensor is disposed in the sensor body of the housing and the wireless communicator and the detection circuitry are disposed outside of the sensor body and in the electronics case of the housing, such that the wireless communicator and the detection circuitry are fluidly sealed from the water sensor.

US Pat. No. 10,890,297

ASSEMBLY, SYSTEM AND METHOD FOR DIRECTED HIGH-PRESSURE FLUID DELIVERY

1. A system for receiving fluid from one or more fluid sources and routing the fluid to a plurality of target locations, the system including:a fluid inlet assembly including a first part for receiving fluid from the one or more fluid sources and a second part releasably communicable with the first part;
a fluid outlet assembly including a plurality of fluid outlet connections releasably communicable with the second part of the fluid inlet assembly, wherein each of the plurality of fluid outlet connections is fluidly communicated with a different target location of the plurality of target locations; and
an automated system operationally configured to direct the second part of the fluid inlet assembly between (1) a position of fluid communication with the first part of the fluid inlet assembly and one of the plurality of fluid outlet connections and (2) one or more non-communicated positions apart from the first part of the fluid inlet assembly and the plurality of fluid outlet connections.

US Pat. No. 10,890,296

HIGH PRESSURE TANK DEVICE AND METHOD OF DETECTING LEAKAGE IN HIGH PRESSURE TANK DEVICE

HONDA MOTOR CO., LTD., T...

1. A high pressure tank device comprising a high pressure tank configured to supply/discharge a fluid through a supply/discharge channel,the high pressure tank comprising a resin liner configured to store the fluid inside, a reinforcement layer configured to cover an outer surface of the liner, and a cap including a supply/discharge hole formed inside and configured to supply/discharge the fluid to/from the liner,
the high pressure tank device further comprising,
a first storage part configured to store a first fluid, wherein the first fluid is a portion of the fluid leaking to an outside of the high pressure tank from at least one of the supply/discharge channel and an inside of the supply/discharge hole,
a leakage detection sensor provided in the first storage part and configured to detect leakage of the first fluid, and
a second storage part provided independently from the first storage part, and configured to store a second fluid, wherein the second fluid is another portion of the fluid leaking to the outside of the high pressure tank from an outside of the supply/discharge hole.

US Pat. No. 10,890,295

TUBE-ARRAY TYPE NITROGEN CANISTER

SHANGHAI ORIGINCELL BIOLO...

1. A method of removing a tube from a tube-array-type liquid nitrogen container, wherein the tube-array-type liquid nitrogen container comprises a container body with a mouth; a tube array component received in the container body; and a top cap sealing the mouth from above; wherein the top cap is rotatably arranged in the mouth, wherein the tube array component includes a plurality of holding tubes, each configured to hold a freezing tube, the holding tubes are such opened at one end thereof that openings of the holding tubes face the top cap, the top cap has at least one tube access passing through the top cap, and the at least one tube access is covered by a tube access cover on top end, and wherein the container body comprises an inner column and an outer column sleeving the inner column at an outside, wherein the inner column and the outer column are fixed to each other at a bottom, the inner column has a top lower than a top of the outer column, and the top of the inner column and the top of the outer column are connected through a corrugated pipe, the method comprises the steps of:rotating the top cap of the tube-array-type liquid nitrogen container such that the tube access of the top cap is moved to a targeted site;
lifting the tube access cover to open the tube access; and
removing a targeted freezing tube from the tube-array-type liquid nitrogen container.

US Pat. No. 10,890,294

VIRTUAL GASEOUS FUEL PIPELINE

NEARSHORE NATURAL GAS, LL...

1. A system for transferring compressed gas from a gas supply to a destination storage vessel, the system comprising:first and second flow paths each extending from the gas supply to the destination storage vessel, wherein the first and second flow paths diverge from each other downstream from the gas supply and then converge with each other upstream from the destination storage vessel;
a refrigeration unit operatively connected to the second flow path at a location between the divergence and convergence, wherein the refrigeration unit is configured to cool compressed gas within the second flow path; and
at least one valve configured to control which of the first and second flow paths is used to transfer compressed gas from the gas supply to the destination storage vessel,
wherein the at least one valve comprises an automated valve that is configured to shift from transferring a compressed gas along the first flow path to transferring compressed gas along the second flow path in response to a pressure of compressed gas in the destination storage vessel rising above a predetermined pressure.

US Pat. No. 10,890,293

CRYOGENIC FLUID TRANSFER SYSTEM AND METHOD

Chart Inc., Ball Ground,...

1. A cryogenic fluid transfer system comprising:a. a dispensing tank having a dispensing tank headspace, said dispensing tank configured to store a supply of cryogenic liquid with the dispensing tank headspace above the supply of cryogenic liquid;
b. a receiving tank having a receiving tank headspace;
c. a compressor having an inlet and an outlet;
d. a compressor inlet line in fluid communication with the receiving tank headspace and the compressor inlet;
e. a compressor outlet line in fluid communication with the compressor outlet and the headspace of the dispensing tank;
f. a liquid transfer line in fluid communication with the dispensing tank and the receiving tank and configured to transfer cryogenic liquid from the dispensing tank to the receiving tank when the compressor is activated so as to transfer vapor from the headspace of the receiving tank to the headspace of the dispensing tank to create a pressure differential between the dispensing and receiving tanks; and
g. a compressor bypass line selectively in fluid communication with the headspaces of the dispensing and receiving tanks for equalizing pressures of the dispensing and receiving tanks.

US Pat. No. 10,890,292

DETECTION DEVICE AND LUBRICANT DISTRIBUTOR

SKF Lubrication Systems G...

1. A device for detecting a movement of a piston of a lubricant distributor, the device comprising:a movable actuator including a first magnet element biased toward an initial actuator position by a first spring, and
a movable indicator including a second magnet element, the second magnet element comprising an annular permanent magnet,
wherein the actuator is configured to be moved from the initial actuator position to an end actuator position by a movement of the piston,
wherein the actuator and the indicator are configured and disposed such that a magnetic force prevails between them such that the indicator is moved from an initial indicator position to an end indicator position by the movement of the actuator from the initial actuator position toward the end actuator position, and
wherein the first spring extends through the annular permanent magnet.

US Pat. No. 10,890,291

ADJUSTABLE MOUNTING DEVICE FOR A POLE

1. A device for mounting a support item to a pole structure, the device comprising:a vertically oriented pole structure having a circumference;
a mounting bracket slideably coupled to the pole structure, the mounting bracket configured to wrap around more than half of the circumference of the pole support structure, the mounting bracket comprising a pair of forwardly extending flanges each having a top edge;
the support item having an L-shaped body comprising a supporting arm and a pivotably rotatable clamping arm pivotably attached to the mounting bracket such that the clamping arm is configured to rotate into and out of locking frictional engagement with the pole structure via pivoting the supporting arm;
the support item being slideable on the pole structure when the clamping arm is rotated out of engagement with the pole structure in an unlocked position, the support item being locked in position on the pole structure when the clamping arm is rotated into frictional engagement with the pole structure;
a pivot pin pivotably attaching the rotatable clamping arm to the mounting bracket; and
the supporting arm comprising a rear edge defining a stopping surface on the support item, the stopping surface coming into contact with the top edges of the flanges of the mounting bracket when the clamping arm is in the unlocked position to prevent damaging the pole structure.

US Pat. No. 10,890,290

ADDITIVELY MANUFACTURED AUXILIARY DEVICE AND METHOD FOR ATTACHING A CONNECTION PART

PREMIUM AEROTEC GMBH, Au...

1. An additively manufactured auxiliary device comprising:a device body, which comprises:
a lower face, which is integrally connected to a component,
at least one first mounting element comprising vertically upright plates extending from an upper face of the device body, and
at least one second mounting element, which projects from the upper face of the device body, and
a connection part comprising a contact face and at least one fastening element;
wherein the at least one first mounting element and the at least one second mounting element are arranged such that the contact face and the at least one fastening element of the connection part is configured to be attached to the device body such that the contact face of the connection part rests against the upper face of the device body in a planar manner, each of the at least one first mounting element of the device body adjoins a side of the connection part, and each of the at least one second mounting element of the device body adjoins one of the at least one fastening element of the connection part; and
wherein one or more of the at least one second mounting element is configured such that after attachment of the connection part to the device body, an additional securing part is configured to be attached to the one or more of the at least one second mounting element.

US Pat. No. 10,890,289

SUPPORT DEVICE FOR ELECTRONIC EQUIPMENT AND ELECTRONIC EQUIPMENT

NEC Platforms, Ltd., Kaw...

1. A support device for electronic equipment, comprising:a mount portion configured to allow electronic equipment to be removably mounted thereon;
paired support leg portions including support leg portions, which are paired with each other in a width direction of the mount portion and are connected to each other, the support leg portions, each of which is shaped into a bar extending from a proximal end to a distal end, the proximal end being mounted to a rear surface of the mount portion so as to be pivotable about a pivot axis extending along the width direction of the mount portion; and
paired brace portions including brace portions, which are paired with each other in the width direction of the mount portion and are connected to each other, the brace portions, each of which is shaped into a bar extending from a proximal end to a distal end, the proximal end being mounted to the rear surface of the mount portion so as to be pivotable about a pivot axis extending along the width direction of the mount portion,
wherein the support device is configured to support, by a lower end of the mount portion and the distal ends of the support leg portions, the electronic equipment mounted on the mount portion under a state in which the electronic equipment is inclined rearward,
wherein the brace portions each include an anchor portion projecting from the distal end,
wherein the support leg portions each include:
a plurality of receiving seats, which intersect a pivoting direction, are formed in an upper surface that is opposed to each of the brace portions, have a recessed shape capable of receiving the anchor portion of each of the brace portions, and are arrayed in a longitudinal direction; and
a plurality of bowl-shaped hole portions, which are formed in each of inner side surfaces of the support leg portions that are parallel to the pivoting direction and are opposed to each other, the plurality of bowl-shaped hole portions being arrayed in the longitudinal direction so as to correspond to the plurality of receiving seats, respectively,
wherein the brace portions each include a biasing stud that is formed on an outer side surface opposed to the inner side surface of each of the support leg portions and located nearer to the distal end than to the proximal end, projects toward an outer side in the width direction of the mount portion under a state of being biased, and includes a hemispherical tip,
wherein, when the anchor portion is received in any one of the plurality of receiving seats of each of the support leg portions, the biasing stud enters the bowl-shaped hole portion corresponding to the receiving seat in which the anchor portion is received,
wherein the brace portions are configured to keep an angle of the support leg portions with respect to the mount portion when the anchor portion is received in any one of the plurality of receiving seats of each of the support leg portions and the biasing stud enters the bowl-shaped hole portion corresponding to the receiving seat in which the anchor portion is received, and
wherein the brace portions are configured to be capable of changing the angle of the support leg portions with respect to the mount portion when the anchor portion having been received in any one of the plurality of receiving seats of each of the support leg portions is disengaged from the receiving seat along with an operation of causing the paired brace portions to pivot, and the biasing stud having entered the bowl-shaped hole portion is removed from the bowl-shaped hole portion and thus slides on the inner side surface of each of the support leg portions.

US Pat. No. 10,890,288

SYSTEMS AND METHODS OF PROVIDING A MULTIPOSITIONAL DISPLAY

Microsoft Technology Lice...

1. A device for supporting an electronic display, the device comprising:a base;
a display mount movably connected to the base having a first position and a second position; and
a connection mechanism positioned between the mount and the base, the connection mechanism configured to rotate and translate the display mount from the first position and the second position according to a torque curve, the torque curve including:
a discovery stage adjacent the first position, the connection mechanism applying a force toward the first position in the discovery stage;
an initiation stage rotationally after the discovery stage and having an initiation force greater than the discovery stage, the initiation force applied toward the first position; and
an approach stage rotationally after the initiation stage, the approach stage having an approach force applied toward the second position.

US Pat. No. 10,890,287

SYSTEM OF FLEXIBLE PIPES AND COUPLING ELEMENTS AND METHOD OF PRODUCING SUCH A FLEXIBLE PIPE

Karizan B.V., Gramsberge...

1. System of flexible pipes (1) and coupling elements (6) for coupling the flexible pipes, wherein the flexible pipes each comprise an inner conduit (2) and multiple cavities (5) running substantially parallel over the outer surface of the inner conduit and wherein the coupling element comprises an inner opening (62) and multiple outer openings (65) surrounding the inner opening, such that, in the coupled state, the inner conduits (2) of adjacent flexible pipes are connected by means of the inner opening (62) of the intermediate coupling element (6) and the cavities (5) of adjacent flexible pipes (1) are connected by means of the outer openings (65) of the intermediate coupling element,characterized in that each coupling element (6) comprises a male part (63) and a female part (64) for receiving the male part and a joint element (61) for placement between two flexible pipes, wherein the joint element comprises the inner opening (62) and the outer openings (65), wherein the dimensions of the inner opening (62) correspond to the dimensions of the inner conduit (2) and the dimensions of the outer openings (65) correspond to the dimensions of the cavities (5) for forming straight passageways between adjacent flexible pipes and wherein the joint element (61) further comprises through holes (66) for longitudinal fasteners (67), wherein the flexible pipes at the outer ends are arranged for receiving the fasteners.

US Pat. No. 10,890,286

PRESSURE REGULATED COUPLING MANIFOLD ASSEMBLY

Parker-Hannifin Corporati...

1. A coupling manifold assembly, comprising:a manifold body having a pair of connection ports including a first connection port and a second connection port between which flow is movable through the manifold body; and
a pressure regulator couplably received into the manifold body, the pressure regulator extending into a flow path in the manifold body between the connection ports, and the pressure regulator is configured to regulate flow in a first direction between the connection ports and to allow for unregulated flow in an opposite second direction between the connection ports;
the pressure regulator having a valve portion including a valve member biased against a valve seat; and
the flow path including a first flow passage extending from the first connection port to a first side of the valve seat, and a second flow passage extending from the second connection port to a second side of the valve seat opposite from the first side to permit said regulated flow in the first direction and said unregulated flow in the second direction;
wherein the first flow passage and the second flow passage are disposed adjacent to one another, and wherein the first flow passage and the second flow passage are disposed laterally spaced from one another along their full lengths along a longitudinal axis of the manifold body.

US Pat. No. 10,890,285

HIGH PRESSURE HOSE COUPLER

1. A high pressure hose coupler comprising:a tubular connector having hose-engaging internal threads at a distal end for engaging a hose around an external surface of a hose,
an internal collet having a distal end configured to fit inside a hose, and a proximal end to engage the connector to be retained in place, wherein the collet has longitudinal slits to facilitate resilience for radial pressing outwardly, and
a hollow insert having a distal tube configured to be inserted within the collet to press the collet radially outwardly so that a hose wall is pressed between the connector and the collet.

US Pat. No. 10,890,284

PROFILED CLAMP

NORMA Germany GmbH, Main...

1. A profiled clamp, comprising a tensioning band and a tensioning device, wherein the tensioning band comprises at each end a tensioning head which protrudes radially in a substantial manner with reference to a receiving space which is defined by the profiled clamp, said tensioning heads each having an opening, and wherein the tensioning device comprises two tensioning parts and one elongated tensioning element which connects the tensioning parts, wherein the tensioning element extends through the openings of the tensioning heads and presses the tensioning parts against the tensioning heads, wherein the profiled clamp comprises intermediate elements which are provided between the tensioning heads and the tensioning parts, wherein the intermediate elements comprise recesses through which the tensioning element extends, as well as an abutment surface for abutment against the tensioning head, wherein the abutment surface is realized in such a manner that an abutment point between the intermediate element and the tensioning head at least in a tensioning position in which the tensioning heads are parallel to one another or are angled with respect to one another, is located in each case closer in a radial direction to the receiving space than a center axis of the tensioning element, wherein the intermediate element comprises a reception for a filler or the tensioning part of the tensioning device.

US Pat. No. 10,890,283

CONNECTING TUBULAR MEMBERS

Halliburton Energy Servic...

1. A tubular connector, comprising:a first tubular member comprising a female end;
a second tubular member comprising a male end insertable into the female end, each of the first and second tubular members comprising a bore that extends therethrough;
a clamp positionable about the first and second tubular members to urge the male and female ends into sealing engagement, wherein each of the first and second tubular members comprises an expanded diameter shoulder portion, and flanged ends of the clamp abut the expanded diameter shoulder portions;
a housing that at least partially encloses the clamp such that a chamber is defined between the clamp and the housing; and
a fastener engageable with the clamp through the housing.

US Pat. No. 10,890,282

FACE SEALED FITTINGS

Sundew Technologies, LLC,...

10. A method for mating tubing, the method comprising the steps ofreceiving a first tube;
receiving a first flange, the first flange disposed at a terminus of the first tube, defining a first outwardly projecting flange shoulder, and characterized by a first maximum external flange diameter;
receiving a first pairing ring, the first pairing ring defining a proximal rib, a distal rib, and a first pairing ring engagement feature;
receiving a nipple, the nipple defining a first nipple engagement feature and first external nipple threads, and characterized by a minimum internal nipple diameter greater than the first maximum external flange diameter;
receiving a first nut, the first nut defining first internal nut threads and a first inwardly projecting nut shoulder, the first inwardly projecting nut shoulder defining a first hole having a diameter greater than the first maximum external flange diameter;
receiving a gasket; and
assembling such that, simultaneously:
the first pairing ring surrounds a portion of the first tube adjacent to the first flange;
the first pairing ring abuts the first outwardly projecting flange shoulder;
the first pairing ring abuts the first inwardly projecting nut shoulder;
the nipple at least partially surrounds the first outwardly projecting flange shoulder;
the nipple at least partially surrounds the first pairing ring;
the entire nipple is in spaced relation to the first tube, and the proximal rib occupies a space between the first tube and the nipple;
the first nut at least partially surrounds the first pairing ring;
the entire first nut is in spaced relation to the first tube, and the distal rib occupies a space between the first tube and the first inwardly projecting nut shoulder;
at least a portion of the first internal nut threads engage at least a portion of the first external nipple threads;
the first nipple engagement feature interlocks with the first pairing ring engagement feature so as to inhibit relative rotation between the nipple and the first pairing ring;
the gasket forms a gastight seal with the first flange; and
the first pairing ring, the nipple, the first tube, and the first flange are not permanently altered by forming the gastight seal during the step of assembling.

US Pat. No. 10,890,281

ADJUSTABLE LENGTH PIPE CONNECTOR FOR CONNECTING TO A PIPE CONNECTION

1. An adjustable length pipe connector for connecting to a pipe connection, the adjustable length pipe connector comprising:an axially extending and hollow pipe body having a from body portion of a first predetermined length and a rear body portion of a second predetermined length, the front body portion having internal threads configured therein, and ti rear body portion having external threads configured thereon for coupling the adjustable length connector to the pipe connection;
a peripheral flange configured on the rear body portion to give extra strength to the pipe connector, the Range positioned adjacent to portion between the front body portion and the rear body portion;
a seal ring positioned adjacent to the peripheral flange; and
a washer configured within the front body portion, the washer being adapted to be moved axially within the front body portion,
wherein the front body portion has a hexagonal shape, and wherein the rear body portion has a hexagonal through-bore configured on a transverse face thereof, and
wherein, in use, the first predetermined length is adapted to be cut to a desired length upon requirement.

US Pat. No. 10,890,280

WATER PIPE WITH SYNCHRONOUSLY RETRACTABLE MULTI-LAYER

Zhejiang Helen Plastic Co...

1. A water pipe with synchronously retractable multi-layer, comprising:a retractable inner pipe,
a fabric sleeve sleeved outside the inner pipe, which is configured as a retractable multi-layer fabric sleeve, the retractable fabric sleeve can only be retractable in an axial direction and cannot be deployed or retracted in a radial direction, along with the inner pipe, for the fabric sleeve is interwoven by using retractable elastic yarns in the axial direction and using non-retractable reinforcing yarns in a circumferential direction, and
a retractable plastic film layer interposed between the inner pipe and the fabric sleeve;
wherein a shape of the retractable fabric sleeve is configured as a straight cylindrical tube with a smooth look or as a corrugated-looking tube forming valleys and peaks along the axial direction of the pipe, and the fabric sleeve can retract axially due to elasticity of the retractable elastic yarns used;
an outer surface of the plastic film layer is fit to an inner surface of the fabric sleeve when the fabric sleeve is configured as the straight cylindrical tube;
the outer surface of the plastic film layer is fit with a surface of the valleys of the fabric sleeve when the fabric sleeve is configured as the corrugated-looking tube.

US Pat. No. 10,890,279

METHOD FOR PRESSURIZING THE INNER FLOW SPACE OF A FLEXIBLE PIPE INTENDED FOR TRANSPORTING HYDROCARBONS

TECHNIP FRANCE

1. A method for pressurizing testing the inner flow space of an underwater flexible pipe intended for transporting hydrocarbons, comprising:a) providing a flexible pipe comprising a reinforcing layer made up of a short-pitch winding of at least one metal wire with noncontiguous turns around a thermoplastic polymer sheath defining an inner space, then
b) filling the inner space of the flexible pipe with an oil exerting an inner pressure Pi inside the flexible pipe, then
c) increasing an inner pressure Pi of the flexible pipe to at least 10 MPa, the inner pressure being exerted by said oil, then
d) maintaining the inner pressure Pi of the flexible pipe at a pressure of at least 10 MPa for a time D of at least one minute,wherein said oil has a kinematic viscosity at 40° C., measured according to the ASTM D445 standard, of more than 10 mm2/s, the method being carried out in the context of a pressure test.

US Pat. No. 10,890,278

EXPANDABLE AND CONTRACTIBLE GARDEN HOSE

Telebrands Corp., Fairfi...

1. A garden hose comprising:a flexible elongated outer tube constructed from a fabric material having a first end and a second end, an interior of said outer tube being substantially hollow, said flexible elongated outer tube having a maximal length;
a flexible elongated elastic inner tube having a first end and a second end, an interior of said inner tube being substantially hollow, said elastic inner tube having a relaxed length when said inner tube is not extended, said inner tube relaxed length being less than said outer tube maximal length;
a first coupler secured to said first end of said inner tube and said outer tube, said first coupler constructed to couple said hose to a conventional facet thereby providing pressurized water;
a second coupler secured to said second end of said inner tube and said outer tube, said inner tube is unsecured to said outer tube between said first and second ends so that said outer tube outer tube can move freely over said inner tube; and
a flow restrictor coupled to said second coupler,
whereby upon introduction of a flow of pressurized water through said first coupler into said inner tube and operation of said flow restrictor to at least partially block said flow of pressurized water from exiting said inner tube, said inner tube fills with pressurized water resulting in an increase in water pressure within said inner tube interior, said increase in water pressure expands said inner tube longitudinally along a length of said inner tube and laterally across a width of said inner tube thereby increasing said hose to an expanded condition, and whereby stopping said flow of pressurized water into said first coupler and releasing said pressurized water out of said second coupler results in said hose contracting to a decreased length as a result of an automatic contraction of said elastic inner tube.

US Pat. No. 10,890,277

ARTICULATING FAUCET WITH PROGRESSIVE MAGNETIC JOINT

KOHLER CO., Kohler, WI (...

1. A water delivery device comprising:a plurality of magnetic joints each including a plurality of magnetic members; and
a plurality of conduit sections each rotatably coupled to each other by a magnetic joint of the plurality of magnetic joints, wherein the plurality of conduit sections collectively define a spout of the water delivery device, wherein the spout extends from a first portion configured to be coupled to a mounting surface to a second portion configured to discharge a fluid;
wherein the water delivery device is configured such that magnetic joints located closer to the first portion include a greater number of magnetic members than magnetic joints located closer to the second portion.

US Pat. No. 10,890,276

METAL STRIP WINDING CONTINUOUS REINFORCED THERMOPLASTIC COMPOSITE PIPE

NINGBO OPR OFFSHORE ENGIN...

1. A metal strip winding continuous reinforced thermoplastic composite pipe, comprising a three-layer structure ofan inner pipe,
a metal strip winding reinforcement layer and
an outer covering pipe;
wherein, the metal strip winding reinforcement layer comprises a plurality of multi-layer metal strips spirally wound around an outside of the inner pipe along an axial direction of the inner pipe, and a glass fiber reinforcement layer or a high-density PE (polyethylene) layer
wherein, the metal strip winding reinforcement layer comprises at least a first and a second multi-layer metal strip group spirally wound around the inner pipe along the axial direction of the inner pipe;
the first multi-layer metal strip group comprises a gap forming strip and a gap covering strip, wherein, the gap forming strip and the gap covering strip are spirally wound around the inner pipe unidirectionally along the axial direction of the inner pipe;
the second multi-layer metal strip group, and other multi-layer metal strip groups in the metal strip winding reinforcement layer each comprise a gap forming strip and a gap covering strip, wherein the gap forming strip and the gap covering strip in the second multi-layer metal strip group and in other multi-layer metal strip groups are multi-layer metal strips alternatingly wound spirally around the inner pipe in opposite directions along the axial direction of the inner pipe;
winding directions of the gap covering strip in the first multi-layer metal strip group and the gap forming strip in the second multi-layer metal strip group are opposite;
each multi-layer metal strip within the metal strip winding reinforcement layer is formed by winding each multi-layer metal strip spirally around the inner pipe along the axial direction of the inner pipe; and
wherein, the glass fiber reinforcement layer or the high-density PE (polyethylene) layer is located between adjacent multi-layer metal strip groups for separating adjacent multi-layer metal strip groups.

US Pat. No. 10,890,275

UNDERWATER PIPE COMPRISING A SHEATH COMPRISING A POLYPROPYLENE BLOCK COPOLYMER

TECHNIP FRANCE

1. An underwater pipe for the transport of hydrocarbons comprising a metal reinforcing layer around an inner polymeric sealing sheath capable of being in contact with the hydrocarbons, wherein the inner polymeric sealing sheath comprises a polypropylene block copolymer or a mixture of polypropylene block copolymers, wherein the polypropylene block copolymer or the mixture has:a density greater than 0.900 g/cm3, and
a melt index measured at 230° C. under a mass of 2.16 kg of less than 10 g/10 minutes.

US Pat. No. 10,890,274

DRYSUIT AND/OR SEMI-DRYSUIT INFLATION VALVE ASSEMBLY ADAPTER FOR PROVIDING A HYDRATION SOURCE TO A DIVER

David J. Zielinski, Tamp...

1. An adapter configured for attachment to a drysuit and/or semi-drysuit by mating the adapter with a pressurized gas regulator and cap of an inflation valve assembly and configured to pass liquids for consumption contained within the drysuit and/or semi-drysuit to outside of the drysuit and/or semi-drysuit, the adapter comprising:(a) a main body having opposing inner and outer planar faces that are connected to one another by an outer circumferential wall and an inner circumferential wall positioned there between,
(i) the main body defining a first opening formed along the inner circumferential wall and the inner circumferential wall configured to securely mate with the pressurized gas regulator of the inflation valve assembly, and
(ii) the main body comprising a second opening extending transversely through the main body from the outer circumferential wall through to the inner circumferential wall such that a flexible hose may passed through the first and second openings of the main body and securely attached within the second opening of the hollow main body so that liquids for consumption contained within the drysuit and/or semi-drysuit may be passed through the hollow main body via the flexible hose, and
(b) an elongate neck positioned directly on and extending away from the inner planar face of the hollow main body,
(i) the elongate neck defining an opening that is at least partially axially aligned and in fluid communication with the first opening of the hollow main body to allow pressurized gases to flow through the adapter into the drysuit and/or semi-drysuit, and
(ii) the elongate neck is configured to securely engage the cap of the inflation valve assembly for attachment of the adapter to the drysuit and/or semi-drysuit.

US Pat. No. 10,890,273

SUPPORT STRUCTURE FOR SUPPORTING A CABLE

Preformed Line Products C...

1. A support structure for supporting a cable, the support structure comprising:a body portion extending circumferentially about an axis, the body portion comprising:
a first wall;
a second wall extending substantially parallel to the first wall; and
a third wall coupled between the first wall and the second wall, wherein:
a first surface of the first wall, a first surface of the second wall, and a first surface of the third wall define an opening extending along a circumferential length of the body portion,
the body portion is configured to receive the cable within the opening,
a second surface of the first wall is diametrically opposite the first surface of the first wall,
a second surface of the second wall is diametrically opposite the first surface of the second wall, and
a second surface of the third wall is diametrically opposite the first surface of the third wall;
a first retention structure coupled to the first wall and projecting from the first wall towards the second wall, wherein:
the first retention structure extends substantially parallel to the third wall,
the first retention structure is configured to retain the cable within the opening,
at a cross-section of the body portion, only a single retention structure contacts the body portion,
at the cross-section of the body portion, the first surface of the first wall, the first surface of the second wall, and the first surface of the third wall together define a u-shaped surface, and
at the cross-section of the body portion, the second surface of the first wall, the second surface of the second wall, and the second surface of the third wall together define a c-shaped surface; and
a second retention structure coupled to the first wall and projecting from the first wall towards the second wall.

US Pat. No. 10,890,272

U-SHAPED FAIRING WITH HINGED BLOCKS

VIV Solutions LLC, Richm...

1. A vortex-induced vibration (VIV) suppression device comprising:a fairing comprising a fairing body dimensioned to partially encircle an underlying tubular and a first arm and a second arm extending from the fairing body, wherein the fairing body comprises a first section and a second section that each have first ends that are interfacing one another to form a gap in between and a second end, and the first arm and the second arm are attached to the second end of a respective one of the first section and the second section such that they extend radially outward from the underlying tubular, and the first arm and the second arm are spaced a distance from one another along their entire length; and
an interior block member to facilitate an opening or a closing of the fairing body around an underlying tubular, the interior block member having a first block section coupled to the first arm, a second block section coupled to the second arm and wherein the first block section and the second block section is movably coupled to the first block section.

US Pat. No. 10,890,271

SOLENOID VALVE DEVICE

JTEKT CORPORATION, Osaka...

1. A solenoid valve device comprising:a body including a gas passage through which gas flows, and an accommodation portion communicating with the gas passage;
a solenoid valve that is accommodated in the accommodation portion, and that controls flow of the gas in the gas passage by opening and closing the gas passage;
a sealing member disposed between the accommodation portion and the solenoid valve to maintain airtightness of the gas passage; and
a cylindrical solenoid that receives electricity and generates power for the solenoid valve to open and close the gas passage, wherein:
the body is provided with a communication hole that allows communication between inside and outside of the accommodation portion;
the solenoid includes a connection terminal portion extending toward the communication hole;
a connector, into which the connection terminal portion is inserted, is accommodated in the communication hole such that rotation of the connector is prevented about an axis of the communication hole by interference between the connector and the communication hole, the connector being connected to a power supply that supplies electricity to the solenoid via the connection terminal portion;
the communication hole is provided such that the axis of the communication hole crosses an axis of the solenoid;
a biasing member is disposed between one end of the solenoid and a first wall portion of the accommodation portion facing the one end in a direction in which the axis of the solenoid extends;
the biasing member biases the other end of the solenoid opposite to the one end against a second wall portion of the accommodation portion facing the other end, in a direction in which the axis of the solenoid extends;
a cutout groove is formed on an inner peripheral surface of the communication hole;
a projection projecting from the connector and fitted into the cutout groove is provided on an outer periphery of the connector;
the communication hole is provided such that the axis of the communication hole is orthogonal to the axis of the solenoid; and
a depth direction of the cutout groove and a projection direction of the projection coincide with a direction in which the biasing member biases the solenoid.

US Pat. No. 10,890,270

SOLENOID VALVE, AND METHOD FOR PRODUCING A SOLENOID VALVE

Robert Bosch GmbH, Stutt...

1. A method for producing a solenoid valve including a magnet assembly having a coil winding and a valve cartridge having a pole core, the method comprising:connecting a valve sleeve to the pole core;
coupling an armature to a main closing element, the armature configured to be guided in an axially movable manner within the valve sleeve;
generating a magnetic field via energization of the coil winding of the magnet assembly;
positioning a valve body within the valve sleeve, the valve body including a main valve seat, the main valve seat forming a main valve with the main closing element; and
forming a positively locking connection between the valve sleeve and the valve body with at least one spring tongue formed on the valve sleeve,
wherein the magnetic field is configured to move the armature counter to a force of a restoring spring, and
wherein the main valve is configured to set a fluid flow between at least one first fluid opening and at least one second fluid opening, a first opening of the at least one second fluid opening defined within a first spring tongue of the at least one spring tongue.

US Pat. No. 10,890,269

VALVE APPARATUS

DENSO CORPORATION, Kariy...

1. A valve apparatus comprising:a housing that includes a plurality of through holes through which a fluid flows from the valve apparatus;
a first valve member that is provided so as to move relative to the housing, and opens and closes a first through hole that is at least one or more of the plurality of through holes;
a second valve member that is provided so as to move relative to the housing, and opens and closes at least one second through hole of the plurality of through holes excluding the first through hole;
a fixed core that is provided in such a manner that the fixed core does not move relative to the housing;
a coil that forms a magnetic field by being energized;
a control unit that controls energization of the coil;
a first movable core that is provided so as to move integrally with the first valve member, and in which a magnetic attractive force is generated between the first movable core and the fixed core when the coil forms the magnetic field;
a second movable core that is provided so as to move integrally with the second valve member, and in which a magnetic attractive force is generated between the second movable core and the fixed core when the coil forms the magnetic field; and
a magnetic constriction portion that is provided between the fixed core and the first movable core, wherein:
the coil, the first valve member and the second valve member are configured such that energization of the coil causes movement of the first and second valve members from closed positions to open positions;
the control unit is configured to control the energization of the coil such that the second through hole is opened by movement of the second valve member after the first through hole is opened by movement of the first valve member;
the second through hole is provided in a position that is radially outside of the periphery of the first through hole; and
the second valve member is a cylindrical member that is provided in an outer radial direction from the first valve member.

US Pat. No. 10,890,268

VALVE AND VALVE ARRANGEMENT

1. A valve comprising:a valve housing having a housing cover, a housing bottom, and an intermediate housing arranged between the housing cover and the housing bottom, the valve housing enclosing a valve space having a flow chamber and an actuating chamber, the valve housing defining at least one valve opening extending from the flow chamber to the actuating chamber;
at least one actuating element being located in the actuating chamber and being axially movable between a closing position to close the valve opening and an opening position to release the valve opening, an SMA element made of a shape memory alloy being configured to operate the actuating element in the opening direction, a restoring element being configured to move the actuating element in a closing direction, the SMA element having ends electrically connected to a printed circuit board to supply electricity to the SMA element, the SMA element having a middle section fixed to the actuating element;
the flow chamber and the actuating chamber being separated by a separating wall in the valve opening so that a fluid flowing through the valve when the actuating element is operated is guided through the flow chamber, a first area of the flow chamber and a second area of the flow chamber being connected via at least one of the valve opening and a connecting channel, the at least one of the valve opening and the connecting channel being closed when the actuating element is in the closing position and being opened when the actuating element is in the opening position of the actuating element;
the first area of the flow chamber being attachable to an air supply unit to supply air to the flow chamber, the second area of the flow chamber being attachable to a media reservoir, the second area of the flow chamber being connectable to atmosphere to release air from the flow chamber via an opening;
an actuator located inside the second area of the flow chamber, the actuator being pivoted on the intermediate housing and being coupled with the actuating element in such a way that the opening to the atmosphere is released when the actuating element is in the closing position and the opening is closed when the actuating element is in the opening position; and
a first check valve associated with the valve opening, the first check valve preventing fluid from flowing back from the second area of the flow chamber through the valve opening into the first area of the flow chamber when the actuating element is in the opening position.

US Pat. No. 10,890,267

PRESSURE-LIMITING VALVE

Robert Bosch GmbH, Stutt...

1. A pressure-limiting valve, comprising:a housing defining a first piston chamber, a second piston chamber, a first receptacle, and a second receptacle;
a first spring-loaded closing element at least partially located in the first receptacle;
a second spring-loaded closing element at least partially located in the second receptacle;
a first valve seat formed in the housing and configured to be closed by the first spring-loaded closing element;
a second valve seat formed in the housing and configured to be closed by the second spring-loaded closing element;
a first guide piston extending directly from the first spring-loaded closing element and located in the first piston chamber, the first guide piston including a first terminal end surface of the first spring-loaded closing element located in the first piston chamber;
a second guide piston extending directly from the second spring-loaded closing element, the second guide piston including a second terminal end surface of the second spring-loaded closing element located in the second piston chamber,
wherein (i) the first receptacle, the first spring-loaded closing element, the first piston chamber, and the first guide piston; and (ii) the second receptacle, the second spring-loaded closing element, the second piston chamber, and the second guide piston are configured substantially mirror-symmetrically with respect to one another in the housing,
wherein the first piston chamber is a blind hole,
wherein the second piston chamber is another blind hole,
wherein a line of symmetry extends directly between the first piston chamber and the second piston chamber,
wherein the housing, the first valve seat, and the second valve seat are composed of cast iron with spheroidal graphite, and
wherein at least the first valve seat and the second valve seat are surface-hardened.

US Pat. No. 10,890,266

MULTIDIRECTIONAL VENT LIMITING DEVICES FOR USE WITH FLUID REGULATORS

EMERSON PROCESS MANAGEMEN...

1. A vent limiting device, comprising:a housing having an interior surface, a fluid inlet, a fluid outlet, and a first fluid passageway in fluid communication with and located between the fluid inlet and the fluid outlet, the interior surface including a first sealing surface that defines a portion of the first fluid passageway;
a stem having a first end, a second end located opposite the first end, and an axial portion located between the first end and the second end; and
a poppet having a first end, a second end located opposite the first end, a second sealing surface that defines a portion of the first fluid passageway, and a bore that defines a second fluid passageway in fluid communication with and located between the fluid inlet and the fluid outlet, the first end of the stem being rigidly coupled to the poppet, the poppet being slidable in an axial direction within the housing between an open position and a closed position, the second sealing surface contacting the first sealing surface when the poppet is in the closed position to close off the first fluid passageway;
wherein the second end of the stem includes a retaining flange visible from outside of the housing, the retaining flange contacting a retaining flange seat of the housing when the poppet is in the open position, the retaining flange spaced apart from the retaining flange seat when the poppet is in the closed position, the retaining flange providing a visual indication of the poppet being in the closed position.

US Pat. No. 10,890,265

CHECK VALVE

FMC Technologies, Inc., ...

1. A check valve comprising:a valve body which includes an inlet end, an outlet end, a flow bore that extends between the inlet and outlet ends, a cavity which intersects the flow bore, and an opening which is connected to the cavity, the flow bore comprising an inlet bore portion which extends between the inlet end and the cavity and an outlet bore portion which extends between the outlet end and the cavity;
a body cap which is removably secured in the opening;
a seat cartridge which is configured to fit through the opening and be slidably received in the cavity, the seat cartridge comprising an open first end which is positioned adjacent to and aligned with the opening, a second end which is located opposite the first end, a chamber which extends between the first and second ends and defines an inner wall of the seat cartridge, a first bore which extends between the chamber and the inlet bore portion, a second bore which extends between the chamber and the outlet bore portion, and a valve seat which is formed on a portion of the inner wall that surrounds the first bore;
a retainer ring which is positioned in the valve body between the body cap and the first end of the seat cartridge; and
a flapper which is pivotally connected to the retainer ring, the flapper being pivotable through the chamber between a closed position in which the flapper is positioned against the valve seat and an open position in which the flapper is displaced from the valve seat.

US Pat. No. 10,890,264

FLEXING SLOT FOR PLUG VALVE INSERT

Quarter Turn Pressure Con...

1. An insert adapted for use in a plug valve comprising:a single-piece body having an inner sidewall adapted to interface with a sidewall of a valve plug, first and second opposing apertures are each defined through the single-piece body for selective alignment with a flow bore of the valve plug, and first and second opposing slots are each defined through the single-piece body at an angle to the first and second opposing apertures for allowing the body to flex in a direction of the first and second opposing apertures;
wherein:
the single-piece body comprises first and second opposing rims spaced by a central body portion; and
the first and second opposing slots extend inward from a selected one of the first and second rims into the central body portion; and
further comprising third and fourth opposing slots extending inward from another one of the first and second rims into the central body portion.

US Pat. No. 10,890,263

FLUID FLOW CONTROL APPARATUS FOR USE WITH FLUID VALVES

FISHER CONTROLS INTERNATI...

1. An apparatus comprising:a plug of a sliding stem fluid valve, the plug having a first portion slidably coupled to a second portion, the first portion including a first bleed port, the second portion including a second bleed port opposing the first bleed port, the second portion to contact a seat of the fluid valve to close the fluid valve;
a cavity formed in an outer circumferential surface of the plug by the first portion and the second portion, an axial dimension of the cavity to decrease when the first portion slides toward the second portion, the decrease to radially outwardly displace a seal disposed in the cavity, the seal having a curved outer surface configured to engage an inner circumferential wall of a cage of the fluid valve in response to the second portion contacting the seat, the inner circumferential wall of the cage including an annular groove, the curved outer surface of the seal to engage the annular groove as the first portion slides toward the second portion while the second portion is contacting the seat; and
a pin disposed in the first bleed port and the second bleed port, the pin to align the first portion and the second portion relative to a common longitudinal axis.

US Pat. No. 10,890,262

CLOSURE DEVICE

VAT Holding AG, Haag (CH...

1. A closure device comprising:a valve seat that surrounds an opening;
a closure element for closing the opening that is surrounded by the valve seat;
a seal between the valve seat and the closure element, the seal including a hollow space;
wherein the closure device has an open state of the closure element, in which the closure element at least partly exposes the opening to allow an object to be passed through the opening, an intermediate state of the closure element, in which the closure element is brought into alignment with the opening without contact with the valve seat, and a closed state of the closure element, in which the closure element at least rests on the valve seat via the seal;
a pressure source for applying a pressure medium to the hollow space of the seal;
a suction source for sucking the pressure medium out of the hollow space of the seal;
a guide along which the closure element is movable between the open state and the intermediate state, the guide has at least one exposure area for the closed state, in which an element of the closure element that is guided by the guide is exposed to enable the closure element to be pressed against the valve seat; and
the closure element is arranged as a suspended pendulum.

US Pat. No. 10,890,261

VALVE WITH REMOVABLE SEAT

Victaulic Company, Easto...

1. A valve, comprising:a housing having an inlet and an outlet;
a cavity positioned within said housing between said inlet and said outlet, first and second openings in said housing providing access to said cavity, said second opening being positioned opposite to said first opening, said cavity being defined by first and second walls positioned within said housing and oriented transversely to a flow axis extending from said inlet to said outlet, said first and second walls being in spaced relation to one another;
a valve seat positioned within said cavity and sealingly engaging said first and second walls of said housing, said valve seat being insertable into and removable from said cavity through said first opening, said valve seat comprising first and second sealing surfaces positioned in facing relation to one another and defining a slot therebetween;
a sealing body attachable to said valve seat, said sealing body being movable into said cavity through said second opening upon removal of said valve seat through said first opening;
a valve closing member mounted within said valve seat and movable relatively thereto between an open position and a closed position sealingly engaging said valve seat, said valve closing member comprising a gate slidably movable within said slot between said open and closed positions, said gate being oriented transversely to said flow axis and having first and second oppositely disposed faces respectively sealingly engaging said first and second sealing surfaces of said valve seat;
an actuator mounted on said housing and engageable with said valve seat, or said valve seat and said valve closing member, to facilitate removal thereof from said cavity, said actuator also being engageable with said valve closing member separately from said valve seat for moving said valve closing member between said open and said closed positions; wherein
actuation of said actuator removes said valve seat and said valve closing member from said cavity through said first opening when said valve seat or said valve seat and said valve closing member are engaged with said actuator, and moves said sealing body into said cavity through said second opening when said sealing body is attached to said valve seat.

US Pat. No. 10,890,260

TANK VALVE

Daimler AG, Stuttgart (D...

1. A tank valve of a pressure gas tank, comprising:a base body, wherein the base body includes a first base body section which, in an installed state, projects into the pressure gas tank and is sealingly connected with the pressure gas tank and wherein the base body includes a second base body section which, in the installed state, remains outside of the pressure gas tank; and
a plurality of functional sub-groups for refueling the pressure gas tank via a refueling path, for extraction of gas from the pressure gas tank via an extraction path, and for implementing safety and operating functions;
wherein a first subset of the plurality of functional sub-groups is disposed in or on the first base body section;
wherein a first functional sub-group of the first subset is a nonreturn valve in the refueling path;
wherein a second functional sub-group of the first subset is a pipe burst protection in the extraction path.

US Pat. No. 10,890,259

POPPET VALVE SYSTEM AND PROCESS

DUKES AEROSPACE, INC., P...

1. A valve system comprising:a valve and further comprising a bleed air valve that controls bleed air distribution from a turbine, wherein the valve controls an operation of the bleed air valve;
the valve to provide regulated fluid flow, and the valve comprising:
a valve housing having an inlet at an inlet end which receives a fluid, and an outlet at an outlet end which provides regulated fluid flow, a structure of the valve housing defining a valve chamber;
a valve seat arranged between the inlet and the outlet of the valve, the valve seat having a seat opening defined by a seat opening dimension, the valve seat fixed in relation to the valve housing;
a poppet arranged between the valve seat and the outlet of the valve, the poppet having a seat face opposing the valve seat and an outlet face opposing the outlet end, the seat face tapers from a poppet large dimension larger than the seat opening dimension arranged toward the inlet end to a poppet small dimension smaller than the seat opening dimension arranged toward the outlet end, the poppet being configured to be movable in relation to the valve housing;
a plunger operatively coupled with the poppet, the plunger arranged toward the inlet end, the plunger being movable in relation to the valve housing; and
a solenoid within the valve chamber operatively coupled with the plunger, the solenoid provides a displacement force on at least the plunger,
wherein the poppet is configured to be offset from the valve seat by a variable distance based on actuation of the solenoid; and
wherein the variable distance comprises a first distance defining a normal operational mode, and a second distance defining a cleaning operational mode, greater than the first distance, to clear foreign object debris.

US Pat. No. 10,890,258

FLUID-CUSHION SEALING DEVICE

1. A fluid-cushion sealing device for a piston, wherein:said sealing device is configured to move in longitudinal translation in a cylinder, along an axis of the cylinder, said piston and said cylinder defining, with at least one cylinder head, a chamber to be sealed, wherein the sealing device comprises:
at least one continuous perforated ring which comprises an internal cylindrical ring surface, an external cylindrical ring surface, and two axial ring surfaces, said ring being configured to be accommodated in at least one ring groove provided in the piston or in the cylinder, while said ring is capable of moving radially in the ring groove without being able to leave the ring groove, said continuous perforated ring being sufficiently flexible to allow a diameter of the continuous perforated ring to increase or decrease relative to said groove under an effect of a pressure of a source of pressurized fluid;
a ring seal that produces a seal between each axial ring surface and the ring groove, so that the ring groove defines, with the continuous perforated ring, a pressure distribution chamber connected by a transfer circuit to a pressurized fluid source;
at least one calibrated opening which passes right through the continuous perforated ring in its radial thickness;
at least one fluid-cushion carrying surface which the continuous perforated ring comprises, said carrying surface being arranged on an opposite side from the pressure distribution chamber.

US Pat. No. 10,890,257

SEALING DEVICE

NOK CORPORATION, Tokyo (...

1. A sealing device that is adapted for sealing an annular gap between a shaft and a housing that move relative to each other, the sealing device comprising:a resin seal ring made of resin; and
an elastic seal ring made of a rubber-like elastic body, the elastic seal ring being attached to an outer circumference surface side of the resin seal ring and for being in close contact with an inner circumference surface of a shaft hole through which the shaft is inserted in the housing, wherein;
the resin seal ring includes:
a cylindrical section;
a pair of inner circumference lips respectively provided on both sides of the cylindrical section in an axial direction;
a pair of outer circumference lips respectively provided on both sides of the cylindrical section in the axial direction; and
an annular mounting groove which is provided on an outer circumference surface of the cylindrical section and in which the elastic seal ring is mounted,
each of the pair of inner circumference lips is reduced in diameter with distance from the cylindrical section both on an inner circumference surface side and an outer circumference surface side toward lip distal ends, which are configured to slide on an outer circumference surface of the shaft,
each of the pair of outer circumference lips is increased in diameter with distance from the cylindrical section both on an inner circumference surface side and an outer circumference surface side toward lip distal ends, which are configured to be in close contact with the inner circumference surface of the shaft hole, and
the elastic seal ring is provided only on the outer circumference surface side of the resin seal ring, wherein in an uninstalled state in which an external force does not act, the inner diameter of the elastic seal ring is smaller than the outer diameter of the cylindrical section in the resin seal ring and the outer diameter of the elastic seal ring is smaller than the outer diameter of the lip distal ends of the pair of outer circumference lips in the resin seal ring.

US Pat. No. 10,890,256

SEAL STRUCTURE OF HIGH-PRESSURE TANK

TOYODA GOSEI CO., LTD., ...

1. A seal structure of a high-pressure tank for use sealing a space between a first member having a cylindrical shape and a second member, the high-pressure tank including: the first member in which an opening hole is provided at an end part in an axial direction and a tank chamber is formed inside; and the second member which is fitted into the opening hole of the first member and provided with an annular groove formed on an outer peripheral surface, the seal structure comprising:a seal member, having an annular shape, configured to be disposed on a tank chamber side in the groove and to be moved by being pressed in the axial direction opposite to the tank chamber side by a pressure of the tank chamber; and
a first back-up member and a second back-up member configured to be disposed further to a side opposite to the tank chamber side than the seal member in the groove, each of the first back-up member and the second back-up member including an inclined surface part respectively opposite to each other, the first back-up member and the second back-up member being deformable so that a whole width in a radial direction becomes large by sliding therebetween which is caused by being pressed from the seal member moved by the pressure of the tank chamber in a state where the inclined surface parts abut on each other,
wherein the inclined surface part of the first back-up member includes:
a first low angle inclined part inclined at a predetermined angle with respect to the axial direction of the first member;
a first high angle inclined part inclined at an angle larger than the predetermined angle with respect to the axial direction of the first member, and configured to generate abutting later than abutting timing at the first low angle inclined part at the time of the pressure from the seal member; and
a crest folding corner part in which the first low angle inclined part and the first high angle inclined part are connected to each other; and
wherein the inclined surface part of the second back-up member includes:
a second low angle inclined part inclined at a corresponding angle corresponding to the predetermined angle of the first low angle inclined part with respect to the axial direction of the first member;
a second high angle inclined part inclined at an angle larger than the corresponding angle with respect to the axial direction of the first member, and configured to generate abutting later than abutting timing at the second low angle inclined part at the time of the pressure from the seal member; and
a root folding corner part via which the second low angle inclined part and the second high angle inclined part are connected to each other, and
wherein the first low angle inclined part, the first high angle inclined part, the second low angle inclined part, and the second high angle inclined part are surfaces and are linear in cross-section.

US Pat. No. 10,890,255

COMBINATION OIL RING

TPR CO., LTD., Tokyo (JP...

1. A combination oil ring mounted in an oil ring groove of a piston and configured to be reciprocated inside a cylinder bore in an axial direction of a cylinder together with the piston, the combination oil ring comprising:when a cylinder head side in the axial direction of the cylinder is an upper side and a side away from the cylinder head is a lower side,
an upper segment arranged on the upper side;
a lower segment arranged on the lower side independently of the upper segment; and
an expander spacer arranged between the upper segment and the lower segment, the expander spacer comprising:
an upper ear portion, which is formed at an upper part of an inner peripheral-side end portion so as to protrude upward therefrom, and has an inclined surface contacting with an inner peripheral surface of the upper segment and pressing the upper segment;
a lower ear portion, which is formed at a lower part of an inner peripheral-side end portion so as to protrude downward therefrom, and has an inclined surface contacting with an inner peripheral surface of the lower segment and pressing the lower segment;
an upper support portion, which is formed at an upper part of an outer peripheral-side end portion so as to protrude upward therefrom, and has an upper surface contacting with a lower surface of the upper segment and supporting the upper segment; and
a lower support portion, which is formed at a lower part of an outer peripheral-side end portion so as to protrude downward therefrom, and has a lower surface contacting with an upper surface of the lower segment and supporting the lower segment,
wherein the expander spacer excluding the upper ear portion and the lower ear portion has a maximum width in the axial direction of the cylinder, which is defined between an outer peripheral-side end portion of the upper support portion and an outer peripheral-side end portion of the lower support portion,
wherein a state in which the expander spacer, the upper segment, and the lower segment are mounted in the oil ring groove before being inserted into the cylinder bore is defined as a free state,
wherein, under the free state in which the inclined surface of the upper ear portion of the expander spacer is held in contact with the inner peripheral surface of the upper segment and the inclined surface of the lower ear portion of the expander spacer is held in contact with the inner peripheral surface of the lower segment on a cross section of the combination oil ring, which is taken along the axial direction of the cylinder,
when a protrusion amount from an outer peripheral-side end surface of the expander spacer to an outer peripheral surface vertex of the upper segment is an upper protrusion amount P1, a protrusion amount from the outer peripheral-side end surface of the expander spacer to an outer peripheral surface vertex of the lower segment is a lower protrusion amount P2, and a difference between the upper protrusion amount P1 and the lower protrusion amount P2 is P, a condition of P=P1?P2>0 is satisfied,
wherein, on the cross section of the combination oil ring, which is taken along the axial direction of the cylinder, under a state in which the combination oil ring is inserted into the cylinder bore, a center axis of the expander spacer is rotated and inclined upward at a predetermined angle over an entire circumference of the expander spacer in a circumferential direction of the combination oil ring, the inclined surface of the upper ear portion of the expander spacer is held in contact with the inner peripheral surface of the upper segment, the inclined surface of the lower ear portion of the expander spacer is held in contact with the inner peripheral surface of the lower segment, an upper surface of an inner peripheral surface-side part of the upper segment is held in pressure contact with the oil ring groove upper surface over an entire circumference of the upper segment, a lower surface of an inner peripheral surface-side part of the lower segment is held in pressure contact with the oil ring groove lower surface over an entire circumference of the lower segment, and the outer peripheral surface vertex of the upper segment and the outer peripheral surface vertex of the lower segment are held in pressure contact with a bore wall surface over the entire circumference of the upper segment and the entire circumference of the lower segment, respectively.

US Pat. No. 10,890,254

SHIFT DRUM DRIVE UNIT AND STRADDLE TYPE VEHICLE

Kabushiki Kaisha F.C.C., ...

1. A shift drum drive unit for rotatably driving a shift drum in a straddle type vehicle, the vehicle includingan engine configured to generate drive force by fuel combustion,
a transmission configured to change, for the drive force of the engine, a rotation speed by a plurality of gear trains forming a plurality of gear stages with different transmission gear ratios from one another, and
a shift shaft formed in a shaft shape, protruding from an inside of a crank case forming a portion of the engine, and configured to rotatably drive the shift drum for changing the gear trains of the transmission in the crank case,
the shift drum drive unit comprising:
a shift actuator configured to rotatably drive the shift drum;
a rotary drive body into which the shift shaft is inserted and which is rotatably driven together with the shift shaft by the shift actuator; and
a unit case configured to support the shift actuator and to house an entirety of the rotary drive body in a state in which the rotary drive body is rotatable, wherein
the unit case includes
an inner case facing the crank case and an outer case facing an opposite side of the crank case,
an insertion port for inserting the shift shaft into the rotary drive body, and
an attachment section consisting of one or more bolts for attachment of the unit case to the crank case, and
the attachment section penetrates the unit case and is attached to the crank case, thereby integrating the inner case and the outer case together.

US Pat. No. 10,890,253

ELECTRIC ACTUATOR FOR DRIVE APPARATUS

Hydro-Gear Limited Partne...

1. A drive assembly, comprising:a variable drive apparatus disposed in a drive apparatus housing, the variable drive apparatus comprising a rotatable control shaft having a distal end disposed in the drive apparatus housing and a proximal end external to the drive apparatus housing;
an adapter, and a fastener connecting the adapter to the proximal end of the rotatable control shaft; an electric actuator disposed adjacent to the drive apparatus housing, the electric actuator comprising:
an electric motor;
an actuator housing into which the proximal end of the rotatable control shaft extends;
a magnetic field sensor disposed in the actuator housing; and
a gear train configured to be driven by the electric motor and having a plurality of gears, wherein one of the plurality of gears is engaged to and rotates the adapter; and
a cylindrical diametric magnet disposed in the fastener to position the magnet adjacent to the magnetic field sensor within the actuator housing.

US Pat. No. 10,890,252

CONTROL MECHANISM FOR STEPLESS TRANSMISSION

Kanzaki Kokyukoki Mfg. Co...

1. A control mechanism for a stepless transmission connected to a manipulation lever in the stepless transmission and disposed outside a housing of the stepless transmission, the control mechanism for the stepless transmission comprising:a piston rod connected to the manipulation lever;
a neutral biasing spring configured to bias the manipulation lever in a neutral direction;
a piston provided on the piston rod wherein the piston is coaxial with the piston rod;
a cylinder case provided with a cylinder configured to house the piston rod and the piston such that the piston rod and the piston are displaceable in an axial direction of the cylinder,
a first fluid chamber configured to be supplied with a hydraulic fluid for withdrawing the piston rod from the cylinder;
a second fluid chamber configured to be supplied with the hydraulic fluid for introducing the piston rod into the cylinder;
a solenoid valve capable of selectively supplying pressurized fluid to the first fluid chamber and the second fluid chamber and supported by the cylinder case;
a pivot shaft configured to swingably support the cylinder case with respect to the housing;
a first relief valve configured to flow the hydraulic fluid from the first fluid chamber to the second fluid chamber when a hydraulic pressure in the first fluid chamber exceeds a set pressure; and
a second relief valve configured to flow the hydraulic fluid from the second fluid chamber to the first fluid chamber when a hydraulic pressure in the second fluid chamber exceeds a set pressure.

US Pat. No. 10,890,251

TRANSMISSION SHIFTER ASSEMBLY WITH REMOVABLE FEEDBACK

1. A shifter for a vehicle transmission, comprising:a first shift member having a body rotatable among multiple positions;
a second shift member coupled to the first shift member and movable between a first position and a second position;
an actuator coupled to the second shift member to drive the second shift member between the first position and second position and thereby rotate the first shift member from one of the multiple positions to another of the multiple positions;
multiple feedback surfaces associated with the first shift member; and
a follower movable relative to the feedback surfaces between a first position and a second position, wherein, when the follower is in the first position, the follower is not engageable with the feedback surfaces, and when the follower is in the second position, the follower is engageable with the feedback surfaces and there is relative sliding motion between the follower and the feedback surfaces when the first shift member is rotated, and
wherein the first shift member rotates about an axis and the feedback surfaces include multiple valleys and multiple peaks, with a respective one of the peaks located between two adjacent valleys, and wherein the peaks are located at a different distance from the axis than are the valleys, and wherein the follower is yieldably biased for movement closer to and further away from the axis so that the follower may remain engaged with the feedback surfaces when aligned with the peaks and when aligned with the valleys.

US Pat. No. 10,890,250

CONTROL APPARATUS OF CONTINUOUSLY VARIABLE TRANSMISSION, CONTINUOUSLY VARIABLE TRANSMISSION, AND METHOD OF CONTROLLING CONTINUOUS VARIABLE TRANSMISSION

SUBARU CORPORATION, Toky...

1. A control apparatus of a continuously variable transmission, the continuously variable transmission including a hydraulic pressure supplier, a continuously variable transmission unit and a plurality of revolution number sensors, the hydraulic pressure supplier containing a hydraulic fluid, the continuously variable transmission unit being able to perform continuously variable shifting by a hydraulic pressure in the hydraulic pressure supplier, the control apparatus being configured to control the continuously variable transmission, the control apparatus comprising:a shifting controller including a setting unit configured to set a target shifting ratio of the continuously variable transmission unit on a basis of driving information of a vehicle on which the continuously variable transmission unit is to be mounted, the shifting controller including a microcontroller, the shifting controller being configured to perform a shifting control to cause, by controlling the hydraulic pressure in the hydraulic pressure supplier, a shifting ratio of the continuously variable transmission unit to come close to the target shifting ratio; and
a detector configured to detect an abnormality, the abnormality influencing setting of the target shifting ratio performed by the setting unit, wherein the detector determines presence of the abnormality when the detector detects at least one of an abnormality of the microcontroller and an error of any of the revolution number sensors,
the shifting controller being configured to cause, when the detector detects the abnormality, the hydraulic pressure in the hydraulic pressure supplier to fall within a range that is equal to or greater than a first value and less than a second value, the first value being a value at which minimal operation performed by the continuously variable transmission unit is available, the second value being a value upon normal operation before the detector detects the abnormality.

US Pat. No. 10,890,249

SHIFT CONTROL DEVICE FOR VEHICLE

TOYOTA JIDOSHA KABUSHIKI ...

1. A shift control device for a vehicle including an engine and an automatic transmission,the shift control device comprising:
a minimum vehicle speed calculator configured to, when it is determined that a vehicle on traveling needs to decelerate before the vehicle arrives at a forward predetermined point based on periphery information, which is information on a periphery of the vehicle, calculate a minimum vehicle speed, which is a vehicle speed after the deceleration, using the periphery information;
a shift position determination unit configured to determine a target shift position, which is a shift position to be attained after the deceleration in accordance with the minimum vehicle speed; and
a downshift controller configured to, when the minimum vehicle speed is calculated, commence a downshift from a current shift position to the target shift position before a detection of an operation of depressing a brake pedal by a driver, wherein
the downshift controller is configured to implement first control of performing multiple downshifts from the current shift position to the target shift position such that shift timing is provided at regular intervals, or second control of performing multiple downshifts such that rotational speeds of the engine after the respective downshifts become equal to each other, and
each interval of the downshift is set so as not to become equal to or less than a predetermined value.

US Pat. No. 10,890,248

PLANETARY GEARBOX HAVING A RING GEAR ACCOMMODATED IN A HOUSING PART

1. A planetary gearbox, comprising:a housing part;
a ring gear accommodated in the housing part; and
a spring device;
wherein a radially outer surface and/or a radially outer side of the ring gear includes an annular groove, the spring element being accommodated in the annular groove and at least partially projecting into an annular groove in the housing part.

US Pat. No. 10,890,247

LUBRICATION FLUID COLLECTION IN A GEARBOX OF A GAS TURBINE ENGINE

GE AVIO S.R.L, Rivalta d...

1. An epicyclic gearbox assembly for a gas turbine engine, the epicyclic gearbox assembly defining an axial direction, a radial direction, a circumferential direction, a forward end, and an aft end, the epicyclic gearbox assembly comprising:a sun gear assembly;
a planet gear assembly engaged with the sun gear assembly;
a ring gear assembly comprising one or more ring gears engaged with the planet gear assembly; and
a lubrication fluid collection assembly comprising a rotating oil scoop extending in the circumferential direction around the ring gear assembly, the rotating oil scoop coupled to the ring gear assembly at a location forward of one or more ring gears of the ring gear assembly;
wherein the ring gear assembly further comprises a ring gear shaft that defines a plurality of lubrication fluid openings.

US Pat. No. 10,890,246

TRANSMISSION

Honda Motor Co., Ltd., T...

1. A transmission comprising:a case formed by coupling at least a first unit and a second unit together;
a first gear group disposed on a first shaft that is supported straddlingly on the first unit and the second unit;
a second gear group disposed on a second shaft and meshing with the first gear group; and
an oil pipe disposed above the first gear group and the second gear group, the oil pipe having small holes formed therein, the oil pipe having a first end and a second end opposite the first end, each of the first and second ends having a pair of small flanges thereon which protrude radially outwardly at positions axially distanced from each other, the small flanges formed by bending,
wherein:
a seal member is disposed between the small flanges at each of the first and second ends of the oil pipe, respectively,
the oil pipe is formed integrally with a first restricting portion and a second restricting portion, the first restricting portion abutting against an inner surface of the first unit inside the case to thereby restrict an axial position of the oil pipe on an outside in a first direction, and the second restricting portion abutting against an inner surface of the second unit to thereby restrict an axial position of the oil pipe on an outside in a second direction and to restrict rotation thereof, each of the first and second restricting portions being fixed to the oil pipe at a position inside an axially inner one of the pair of small flanges.

US Pat. No. 10,890,245

EPICYCLIC GEAR TRAIN

RAYTHEON TECHNOLOGIES COR...

1. A gas turbine engine comprising:a turbo fan shaft;
at least one bearing mounted on the turbo fan shaft, the turbo fan shaft including at least one shaft passage adjacent the at least one bearing and extending in a direction having at least a radial component;
a turbo fan supported on the turbo fan shaft, the turbo fan mounted for rotation on the at least one bearing, the turbo fan including a fan blade and a pressure ratio of less than 1.45 across the fan blade alone, and the gas turbine engine having a bypass ratio of greater than 10 with regard to a bypass airflow and a core airflow, and a low corrected fan tip speed of less than 1150 ft/second;
an epicyclic gear train coupled to drive the turbo fan, the epicyclic gear train including a carrier supporting intermediate gears that mesh with a sun gear, and a ring gear surrounding and meshing with the intermediate gears, wherein:
the ring gear is a two-piece construction have first and second portions that abut one another at a radial interface, and the first and second portions have grooves at the radial interface that form a hole that expels oil in operation through the ring gear to a gutter;
each of the intermediate gears is supported on a respective journal bearing;
each journal bearing includes an internal central cavity that extends between axial ends, and includes at least one journal passage that extends from the internal central cavity to a peripheral journal surface of the journal bearing; and
the epicyclic gear train defines a gear reduction ratio of greater than 2.3; and
a turbine section coupled to drive the turbo fan through the epicyclic gear train, the turbine section having a fan drive turbine that includes a pressure ratio that is greater than 5.

US Pat. No. 10,890,244

POWER TRANSMISSION DEVICE

HONDA MOTOR CO., LTD., T...

1. A power transmission device mounted on a vehicle, comprising:a rotary shaft extending in a vehicle width direction of the vehicle to transmit driving power to wheels of the vehicle for driving the wheels;
a gear disposed on the rotary shaft to transmit the power to the rotary shaft;
a gear chamber housing therein the gear;
first and second rotary parts housing chambers each housing therein rotary parts including a clutch and disposed on respective ends of the rotary shaft in an axial direction thereof or in a vicinity of the respective ends; and
a breather chamber provided with the gear chamber and communicating with an outside of the power transmission device;
a taper roller bearing configured to support the rotary shaft to a case of the power transmission device;
a bearing housing chamber housing therein the taper roller bearing and communicating with each of the gear chamber and the second rotary parts housing chamber;
a first communication passage connecting the breather chamber and the first rotary parts housing chamber such that the breather chamber and the first rotary parts housing chamber are communicated with each other; and
a second communication passage connecting the breather chamber and the second rotary parts housing chamber such that the breather chamber and the second rotary parts housing chamber are communicated with each other.

US Pat. No. 10,890,243

MOTOR WITH DECELERATION MECHANISM

MITSUBA Corporation, Gun...

1. A motor with deceleration mechanism, comprising: a motor shaft, which is accommodated in a motor case and in which an end surface of an axial end portion is formed in a spherical convex shape;a worm gear, arranged on the motor shaft;
a worm wheel, accommodated in a gear frame and engaging with the worm gear;
a radial bearing, rotatably supporting the motor shaft; and
a first thrust bearing, which is disposed inside the motor case, and in which a first shaft facing surface facing the end surface of the axial end portion of the motor shaft is recessed in a spherical concave shape and a first counter shaft facing surface on an opposite side is recessed in a spherical concave shape;
wherein an average sliding radius between the first thrust bearing and the motor case is larger than an average sliding radius between the first thrust bearing and the motor shaft.

US Pat. No. 10,890,242

GEAR BOX, DRIVING DEVICE, AND ELECTRONIC APPARATUS

SEIKO INSTRUMENTS INC., ...

1. A gear box comprising:a casing;
a gear that is accommodated in the casing and transmits a power of an actuator;
an output gear that has an output shaft protruding to an outside of the casing through a through-hole formed on the casing, the output gear being connected to the gear in the casing; and
a collar that is externally inserted to the output shaft and is rotatable relative to both the output shaft and the casing,
wherein the casing includes:
a first case that is positioned on a first side of the output gear in an axial direction of the output shaft and has the through-hole; and
a second case that is positioned on a second side with respect to the output gear in the axial direction,
wherein the second case is provided with a supporting shaft that is accommodated in a shaft accommodation portion formed in the output gear and rotatably supports the output gear, and
wherein the supporting shaft includes:
a large diameter portion that is capable of abutting against the second case in the axial direction and is slidable on an inner peripheral surface of the shaft accommodation portion; and
a small diameter portion that is positioned on the first side in the axial direction with respect to the large diameter portion and is disposed with a cap with respect to the inner peripheral surface of the shaft accommodation portion.

US Pat. No. 10,890,241

QUIET GEAR WHEEL AND METHOD FOR PRODUCING SUCH A GEAR WHEEL

GKN Sinter Metals Enginee...

1. A method for production of a sintered gear wheel comprising the following sequential steps:designing the sintered gear wheel using predetermined geometry and loading data,
simulating a load computation and a noise prediction for the sintered gear wheel as designed,
selecting at least one noise reducing structure for the sintered gear wheel in which the at least one noise reducing structure is in addition to porosity of the sintered gear wheel and further integrating the at least one noise reducing structure into the sintered gear wheel as designed,
verifying a load computation and a noise prediction for the sintered gear wheel as designed including the at least one noise reducing structure,
once or more, optionally adapting of the sintered gear wheel as designed including the at least one noise reducing structure and repeating of at least the verifying of the noise prediction or the load computation,
drafting of manufacturing data based on the sintered gear wheel as designed including the at least one noise reducing structure and as optionally adapted and verified and manufacturing of the sintered gear wheel on the basis of the manufacturing data.

US Pat. No. 10,890,240

POWER TRANSMISSION APPARATUS

SEJIN-IGB CO., LTD.

1. A power transmission apparatus, comprising:a pair of curvilinear racks, each curvilinear rack comprising a semi-circular shape and a first end portion and a second end portion;
a plurality of rectilinear-curvilinear conversion racks, each rectilinear-curvilinear conversion rack comprising a first end portion and a second end portion, the first end portion of each rectilinear-curvilinear conversion rack being connected to a first end portion or a second end portion of a curvilinear rack; and
a plurality of rectilinear racks, each rectilinear rack being connected between the second end portions of two rectilinear-curvilinear conversion rack to form a closed loop,
wherein
each rectilinear rack allows a pinion to perform a rectilinear motion by interacting with the pinion;
each curvilinear rack allows the pinion to perform a curvilinear motion by interacting with the pinion; and
each rectilinear-curvilinear conversion rack connects to the rectilinear rack and the curvilinear rack between the rectilinear rack and the curvilinear rack, and converts motion of the pinion between the rectilinear motion and the curvilinear motion,
wherein the rectilinear-curvilinear conversion rack comprises:
a rectilinear part having a rectilinear tooth and is connected to the rectilinear rack; and
a rectilinear-curvilinear conversion part having at least one rectilinear-curvilinear conversion tooth, the rectilinear-curvilinear conversion part having a first side connected to the rectilinear part and a second side connected to the curvilinear rack,
wherein the rectilinear-curvilinear conversion rack is separately and independently connected to each of the rectilinear rack and the curvilinear rack,
wherein the rectilinear part and the rectilinear-curvilinear conversion part are integrally formed,
wherein tooth shapes of opposite side surfaces of the rectilinear-curvilinear conversion tooth are asymmetrically formed with respect to a centerline,
wherein a curvature of a first tooth shape formed at a first side surface of the rectilinear-curvilinear conversion tooth matches a curvature of a third tooth shape of teeth formed at the curvilinear rack,
wherein a curvature of a second tooth shape formed at a second side surface of the rectilinear-curvilinear conversion tooth matches a curvature of a fourth tooth shape of teeth formed at the rectilinear rack,
wherein tooth shape curves of the rectilinear rack, the curvilinear rack, and the rectilinear-curvilinear conversion rack are cycloid curves or trochoid curves, and
wherein a curvature of the second tooth shape formed at the second side surface of the rectilinear-curvilinear conversion tooth comprises a convex curved shape.

US Pat. No. 10,890,239

EXTERNALLY TOOTHED GEAR FOR STRAIN WAVE GEARING

HARMONIC DRIVE SYSTEMS IN...

1. An externally toothed gear configured to be used for a strain wave gearing, in which the externally toothed gear is ellipsoidally flexed by a wave generator to form a state of partial meshing with a rigid internally toothed gear, the externally toothed gear comprising:a cylindrical barrel provided with one end being an open end; external teeth formed on a portion of an outer circumferential surface of the barrel on a side of the open end thereof; a diaphragm which is continuous with another end of the barrel and spreads outward in a radial direction of the barrel; and an annular boss formed continuously with an outer circumferential end of the diaphragm,
wherein the diaphragm comprises:
a diaphragm body portion extending in the radial direction;
a curved portion which is continuous with an inner circumferential end of the diaphragm body part, curves toward the barrel along a center axis from a direction inward in the radial direction, and is connected to the barrel; and
a boss base portion which extends outward in the radial direction from an outer circumferential end of the diaphragm body part, and is connected to an inner circumferential surface of the boss; and
wherein a thickness of the diaphragm gradually decreases from a position of the boss base portion connected to the inner circumferential surface of the boss to a middle part between the outer circumferential end and the inner circumferential end in the diaphragm body part, and the thickness of the diaphragm gradually increases from the middle part to the inner circumferential end of the diaphragm body part; and
wherein thicknesses of the inner circumferential end, the middle part, and the outer circumferential end of the diaphragm, and a thickness of a barrel-side end part of the curved portion connected to the barrel satisfy
t(A)>t(C)>t(D)>t(B),
where t(A) is the thickness of the inner circumferential end, t(B) is the thickness of the middle part, t(C) is the thickness of the outer circumferential end, and t(D) is the thickness of the barrel-side end part.

US Pat. No. 10,890,238

ROBOT, FLEXIBLE GEAR, GEAR DEVICE, AND MANUFACTURING METHOD OF FLEXIBLE GEAR

Seiko Epson Corporation

1. A robot comprising:a first member;
a second member that is configured to include an arm and is rotatably provided with respect to the first member; and
a gear device that transmits a driving force from one of the first member and the second member to the other of the first member and the second member, the gear device having a flexible gear, the flexible gear being configured with:
a cylindrical body having a first end and a second end opposite to each other along an axis of the cylindrical body; and
a bottom plate located at the first end of the cylindrical body,
wherein the bottom plate has a metal flow, and the metal flow in the bottom plate extends from a center of the bottom plate to the cylindrical body, and
the cylindrical body has the metal flow, and the metal flow in the cylindrical body extends from the first end toward the second end, is folded back along a direction of a thickness of the cylindrical body at a folded position located in the cylindrical body, and continuously extends toward the first end from the folded position.

US Pat. No. 10,890,237

ACTUATOR WITH BALL NUT

Eaton Intelligent Power L...

1. A ball nut, comprising:a first nut member;
a second nut member; and
a first arm extending from the first nut member, the first arm including:
a first portion, and
a second portion;
a second arm extending from the second nut member, the second arm including: a first portion and a second portion;
wherein the first portion of the first arm extends radially outward from the first nut member, and the first portion of the second arm extends radially outward from the second nut member;
wherein the second portion of the first arm extends substantially axially from the first portion of the first arm such that at least part of the second portion of the first arm is disposed radially outward of at least part of the second portion of the second arm; and
wherein an externally visible opening with a radial distance is provided between (i) the second portion of the second arm and (ii) a portion of the first nut member or the second nut member that is radially inward of the second portion of the second arm.

US Pat. No. 10,890,236

OPERATION METHOD FOR LINK ACTUATING DEVICE

NTN CORPORATION, Osaka (...

1. An operation method for a link actuating device,the link actuating device including:
a proximal end side link hub;
a distal end side link hub; and
a link mechanism which connects the distal end side link hub to the proximal end side link hub such that a posture of the distal end side link hub can be changed relative to the proximal end side link hub;
an actuator provided in the link mechanism, the actuator changing a distal end posture that is the posture of the distal end side link hub relative to the proximal end side link hub:
a control device configured to control the actuator; and
an end effector mounted to the distal end side link hub, the end effector being configured to work a three-dimensional workpiece,
the operation method being configured to input a target value to which the distal end posture is changed,
the link actuating device further including:
a target value input unit configured to input the target value by use of a three-dimensional rectangular coordinate on a three-dimensional rectangular coordinate system, which three-dimensional rectangular coordinate system has an origin on a central axis of the proximal end side link hub; and
an input converter configured to calculate the distal end posture of the link actuating device by using a value inputted from the target value input unit, calculate a command operation amount of each actuator from a result of the calculation, and input the command operation amount to the control device, which distal end posture is represented by a bend angle and an angle of swing, the bend angle being a vertical angle formed when a central axis of the distal end side link hub is inclined relative to the central axis of the proximal end side link hub, the angle of swing being a horizontal angle formed when the central axis of the distal end side link hub is inclined relative to the central axis of the proximal end side link hub,
the operation method comprising:
obtaining the three-dimensional rectangular coordinate of the three-dimensional rectangular coordinate system on which the end effector work can be easily calculated from a CAD data of the three-dimensional workpiece, and then, inputting the obtained three-dimensional rectangular coordinate to the target value input unit as the target value; and
calculating the distal end posture, from the three-dimensional rectangular coordinate inputted as the target value, with use of the input converter, and then, calculating the command operation amount of the actuator from the result of the calculation, so as to input the calculated command operation amount to the control device.

US Pat. No. 10,890,235

FURNITURE LOCK OUT SYSTEM

1. A furniture system comprising:a base configured to be disposed on a flat surface and to be connected to an article of furniture;
a first linkage connected to the base and configured to be connected to the article of furniture, the first linkage configured to be actuated to cause the article of furniture to translate relative to the base; and
a second linkage connected to the first linkage;
a lock plate rotatable with the second linkage when the first linkage is translated relative to the base;
a locking element comprising a removable rod coupled to the base configured to engage the lock plate, wherein:
the lock plate is biased into a locked state and engaged by the locking element in a lock position in which the lock plate prevents movement of the first linkage; and
the second linkage is configured to be actuated by an applied force into an unlocked state in which, in response to the applied force, the locking element is laterally slid into an unlocked position and the lock plate is disengaged from the locking element and allows movement of the first linkage.

US Pat. No. 10,890,234

MULTI SPEED TRANSMISSION

Linamar Corporation, Gue...

1. A multi speed transmission comprising:a transmission input;
a transmission output;
a primary reduction gear set comprising a first sun gear configured as the transmission input, a first ring gear directly attached to ground, a first planetary carrier with a plurality of interconnected pinion gears meshing with the first sun gear and first ring gear;
a gear assembly comprising a step pinion planetary gear set having second and third sun gears, a second ring gear directly attached to ground, a second planetary carrier configured as the transmission output with a plurality of interconnected pinions meshing with the second and third sun gears and second ring gear; and
first and second input clutches driveably connected to the transmission input;
wherein the first sun gear configured as the transmission input and the second planetary carrier configured as the transmission output are spaced mutually along the same longitudinal axis.

US Pat. No. 10,890,233

VEHICLE POWER UNIT

Honda Motor Co., Ltd., T...

1. A vehicle power unit mounted on a small-sized vehicle, including an internal combustion engine with a crankshaft oriented in a vehicle fore-aft direction, and a transmission apparatus, which are integrally housed in a crankcase, wherein:the transmission apparatus comprises:
a transmission including gear pairs having specific gear ratios for power transmission, respectively, and
a speed change drive mechanism for performing a gearshift operation by changing the gear pairs for power transmission by the transmission through movement of a shift fork guided by a shift drum rotatable by means of a shift motor;
the shift drum extends in the vehicle fore-aft direction and includes first and second drum rotary shaft portions provided at one and other ends of the shift drum;
first and second case side walls are provided at one and other sides of the crankcase to rotatably support the first and second drum rotary shaft portions, respectively;
a driven gear is mounted on the first drum rotary shaft portion on the one end of the shift drum;
an extended support wall is formed so as to extend outward in a vehicle width direction from, and in parallel with the first case side wall of the crankcase;
the shift motor is supported on the extended support wall and has a drive gear rotatably supported by the extended support wall; and
gears of a reduction gear train are provided between the drive gear and the driven gear and have a plurality of reduction speeds for power transmission from the drive gear to the driven gear, the gears of the reduction gear train being arranged on the extended support wall and the first case side wall.

US Pat. No. 10,890,232

SOCKET ASSEMBLY

Caterpillar Inc., Peoria...

1. A socket assembly comprising:a socket defining a first interior space, wherein the socket includes a first frame and a second frame disposed opposite to the first frame, the first frame being removably coupled with the second frame using at least one fastening member;
a locking member disposed within the first interior space of the socket, the locking member including a first body portion and a second body portion, the first body portion and the second body portion each including a first end and a second end opposite the first end, and a first flat side surface and a second flat side surface between the locking member and the socket when the locking member is disposed in the socket;
wherein the first and second body portions define a second interior space and are configured to directly contact a rope to hold the rope; and
wherein the first body portion of the locking member is not secured to the second body portion of the locking member when the locking member is disposed within the first interior space of the socket.

US Pat. No. 10,890,231

ENGINE DEVICE

YANMAR POWER TECHNOLOGY C...

1. An engine device comprising a flywheel housing in which a flywheel that is rotated integrally with a crankshaft is accommodated on one side portion of a cylinder block,wherein the cylinder block is integrally formed with housing bracket portions each protruding in a direction away from the crankshaft from each of opposite side portions of the cylinder block extending along a crankshaft axial direction, the housing bracket portions protruding from end portions of the opposite side portions close to the one side portion, and a space surrounded by the one side portion, the housing bracket portions, and the flywheel housing constitutes a gear case for accommodating therein a gear train, and
wherein the gear train includes: a crank gear fixed to the crankshaft: an idling gear meshed with the crank gear, a cam Rear fixed to a camshaft and meshed with the idling gear, and a pump gear fixed to a pump shaft of a fuel feed pump and meshed with the idling gear, and wherein the flywheel housing has an attaching part for a crank rotation angle detector configured to detect a rotation angle of the crankshaft and an attaching part for a rotation shaft rotation angle detector configured to detect a rotation angle of the cam gear or the pump gear.

US Pat. No. 10,890,230

BALANCE SHAFT STRUCTURE

Honda Motor Co., Ltd., T...

1. A balance shaft structure, comprising:a balance shaft including a balance weight;
a driven gear configured to rotate the balance shaft by being engaged with a drive gear;
a scissors mechanism including a scissors gear configured to reduce backlash between the drive gear and the driven gear, and an axially urging member configured to urge the scissors gear toward the driven gear in an axial direction;
a first regulating portion arranged on the balance shaft and configured to regulate an axially inner position of the scissors mechanism; and
a second regulating portion concentrically fixed to the balance shaft on a side close to a shaft end part of the balance shaft beyond the first regulating portion and configured to regulate an axially outer position of the scissors mechanism,
wherein the balance weight has an abutting face perpendicular to the balance shaft,
and wherein a face of the axially urging member abuttingly contacts the abutting face of the balance weight.

US Pat. No. 10,890,229

POWER TOOL

Nanjing Chervon Industry ...

1. A power tool, comprising:a housing formed with a main handle configured for being held by a user;
a motor arranged inside the housing and comprising a driving shaft;
a working head comprising an output shaft wherein the output shaft is driven by the motor; and
a transmission assembly configured for transmitting power between the driving shaft and the output shaft;
wherein the power tool further comprises:
an auxiliary handle, comprising:
a front end mounted onto the housing at a position adjacent to the working head;
a gripping portion extending along a center line;
a vibration damping assembly comprising at least one mass member and a plurality of elastic elements; and
an end cap arranged at a rear end of the gripping portion;
wherein the rear end is farther away from the housing relative to the front end, the end cap defines an accommodating cavity configured for accommodating at least part of the vibration damping assembly, and the plurality of elastic elements are arranged between the at least one mass member and a cavity wall of the accommodating cavity, wherein a ratio of a natural frequency W1 of the vibration damping assembly to a rotational frequency W2 of the output shaft in rotation is greater than or equal to 0.7 and less than or equal to 1.3.

US Pat. No. 10,890,228

PROFILED BAR, AND VEHICLE SPRING PRODUCED THEREFROM

Hendrickson Commercial Ve...

1. A method for producing a vehicle spring comprising the steps of providing a profiled bar having a longitudinal axis, a transverse axis (z) that runs crosswise to the longitudinal axis and that corresponds to the neutral fiber, and an axis (v) that runs at right angles to the transverse axis (z) from the bottom to the top of the profiled bar, the profiled bar also having a planar cross section perpendicular to the longitudinal axis thereof, the planar cross section defining a trapezoid over the entire length of the profiled bar, the trapezoid having a top side, a bottom side, a first narrow side and a second narrow side, each side defining a flat segment, each of the said first and second narrow sides extending between the top and bottom sides, a portion of one of the top side and the bottom side and the neutral fiber extending in parallel to one another, the first narrow side defining a first material recess and the second narrow side defining a second material recess, each material recess having a depth, the first material recess and the second material recess extending over the entire length of the profiled bar;heating the profiled bar to a temperature of approximately 800 to 1200° C.;
rolling the profiled bar to change the depth and the width of the first material recess and the second material recess over the length of the profiled bar;
modifying the first longitudinal end portion for direct or indirect attachment to a vehicle chassis; and
modifying the second longitudinal end portion for direct or indirect attachment to a vehicle chassis.

US Pat. No. 10,890,227

WEAR LINER WITH UNIDIRECTIONAL NOTCH

Goodrich Corporation, Ch...

1. A friction disk comprising:a friction disk core comprising:
a core outer surface and a core inner surface; and
a first plurality of recesses disposed on the core outer surface;
a second plurality of recesses disposed on the core inner surface, the second plurality of recesses being offset from the first plurality of recesses;
a first wear liner comprising:
an annular structure having a wear surface and a non-wear surface;
a plurality of notches disposed on the non-wear surface, each notch in the plurality of notches having a complimentary shape to a respective recess in the first plurality of recesses, wherein each notch in the plurality of notches is configured to mate with a respective recess in the first plurality of recesses; and
a second wear liner disposed on the core inner surface, the second wear liner being offset circumferentially from the first wear liner.

US Pat. No. 10,890,225

VEHICLE BRAKE ACTUATOR

CHASSIS BRAKES INTERNATIO...

1. A vehicle brake actuator, comprising:a screw having first outer threads on an outer surface thereof,
a tapped inner casing encircling the screw such that the tapped inner casing is in mesh at least indirectly with the first outer threads of the screw by an irreversible connection,
a tapped outer casing having a braking element rigidly attached thereto,
an electric motor rigidly attached to the inner casing and configured to control movement of the screw in relation to the inner casing or of the inner casing in relation to the screw so that the inner casing forms a piston where said movement of the inner casing actuates the braking element rigidly attached to the outer casing,
a plurality of threaded inner rollers, the inner rollers each being in mesh with the screw and with the inner casing by at least one first inner thread, and
threaded outer rollers each in mesh with the inner casing and with the outer casing, the outer rollers having at least one second inner thread oriented in an opposite direction to a second outer thread of the inner casing and in same direction as a third inner thread of the outer casing.

US Pat. No. 10,890,224

BRAKE LINING FOR A DISC BRAKE, DISC-BRAKE HOLD-DOWN FOR BRAKE LININGS OF A DISC BRAKE

BPW Bergische Achsen KG, ...

1. A brake pad for a disk brake, which brake pad is composed of a friction pad (4), which is designed to make contact with the brake disk of the disk brake, and of a backplate (5), the front side of which is formed as a fastening surface (16) for the friction pad (4) and the rear side (17) of which is formed as a pressure surface for the transmission of the brake pressure, wherein the circumferential contour of the backplate (5) is defined by an upper margin (21), a lower margin (22) and two side margins (23A, 23B) extending between the upper and the lower margin, and also the circumferential contour of the friction pad (4) is defined by an upper margin (31), a lower margin and two side margins extending between the upper and the lower margin, and wherein the upper margins (21 and 31 respectively) of the backplate (5) and of the friction pad (4) each have a main profile which is interrupted, in the center between the two side margins (23A, 23B) of the backplate (5), by a depression (25 and 35 respectively) of the upper margin (21 and 31 respectively) in the direction of the lower margin (22) of the backplate (5), wherein, on the rear side (17) of the backplate (5), a projection (40) is integrally formed, wherein the projection (40) projects away from the rear side (17) in a direction facing away from the front side, wherein the projection (40)is arranged closer to the upper margin (21) than to the lower margin (22) of the backplate (5), and/or
is equipped, for the purposes of support in a pad receptacle, with a support surface (42) facing toward the lower margin (22), and/or
is equipped with a hold-down surface (43) which faces away from the support surface (42) and which is arranged lower than the depression (25) in the backplate (5).

US Pat. No. 10,890,223

DISC BRAKE CALIPER

Shimano Inc., Osaka (JP)...

1. A disc brake caliper comprising:a single main body including a hydraulic cylinder bore partially defining a hydraulic chamber having a cylinder axis and an end bore disposed along the cylinder axis;
an end cap coupled to the single main body in the end bore so as to close the hydraulic chamber, the end cap having an exterior surface that is free of a tool engagement structure; and
a surface treatment overlying an exterior surface of the single main body and the exterior surface of the end cap, the surface treatment including a paint layer that covers an external seam line between the exterior surface of the single main body and the exterior surface of the end cap such that the external seam line is not visible.

US Pat. No. 10,890,222

CALIPER BRAKE

MANDO CORPORATION, Pyeon...

1. A caliper brake comprising:a carrier having a pair of pad plates configured to be movable forward and backward and having a pair of arms;
a caliper housing slidably installed at the carrier, and having a finger, which is bent downward and configured to pressurize each of the pair of pad plates; and
an elastic member installed at the caliper housing and configured to elastically support a lower end portion of each of the pair of arms,
wherein the caliper housing has a cylinder in which a piston configured to pressurize the pair of pad plates is arranged to be movable forward and backward in an axial direction of the piston at a rear portion of the caliper housing, and
wherein the lower end portion of each of the pair of arms in contact with the elastic member has an inclined surface inclined upwardly away from the pair of pad plates in the axial direction of the piston.

US Pat. No. 10,890,221

DISC BRAKE AND DISC BRAKE FOR RAILWAY VEHICLES

AKEBONO BRAKE INDUSTRY CO...

1. A disc brake comprising:a floating caliper including a base portion which is slidably supported to a cylindrical support portion of a support by a guide pin and a pair of pressing arms which are extended from the base portion to a position where a disc rotor is interposed between both sides in an axial direction of the guide pin;
a pair of brake pads provided at tip end portions of the pair of pressing arms respectively so as to face a side surface of the disc rotor;
a drive piston provided on one of the pair of pressing arms to drive one of the brake pads toward the side surface of the disc rotor;
a caliper return mechanism, disposed on at least an end portion on a side opposite to the drive piston side at two end portions of the guide pin, and configured to elastically bias the base portion slidably supported by the guide pin toward the side opposite to the drive piston side;
a rubber ring fitted inside the cylindrical support portion and elastically supporting the guide pin in a radial direction of the guide pin; and
an inner circumferential side washer disposed on at least the drive piston side of both sides of the rubber ring in the axial direction and inserted into the guide pin, so as to restrict an inner circumferential portion of the rubber ring from bending deformation along the axial direction of the guide pin.

US Pat. No. 10,890,220

VEHICLE BRAKING UNIT, BRAKE PAD AND ASSOCIATED METHODS

ITT ITALIA S.r.l., Laina...

1. A vehicle braking unit comprising:a support designed to be positioned close to an element to be braked;
braking elements which are carried in a movable way by the support and which are suitable for cooperating, by friction, with the element to be braked;
actuation elements carried by the support and which are suitable, when activated, for pushing the braking elements against the element to be braked in order to apply upon the same, by friction, a braking torque; and
first and second guide surfaces that are integral, respectively, to the braking elements and the support, and that cooperate together to guide and support the braking elements when they are moved towards the element to be braked by the activation of the actuation elements;
wherein at least one of the first and second guide surfaces are at least partially covered by a sliding coating comprising a phenolic-based polymeric resin layer within which there is dispersed, as particles, material selected from the group of: PTFE, molybdenum sulfide or disulfide, and mixtures of PTFE and molybdenum sulfide or disulfide, with the dispersed material constituting between 7% and 25% by volume of the total volume of the sliding coating, and in which the sliding coating has a total thickness between 200 and 300 microns.

US Pat. No. 10,890,219

INTEGRATED FAN BRAKING MECHANISM

Oracle International Corp...

1. A fan system comprising:a rotating blade assembly comprising (a) a fan rotor and (b) rotating fan blades coupled to the fan rotor, the rotating blade assembly rotatable around a rotation axis, wherein the fan rotor is configured to rotate concurrently with the rotating fan blades, and wherein the fan rotor is disposed along a center of the rotating blade assembly;
a fan motor configured to cause rotation of the rotating blade assembly around the rotation axis;
a braking surface in releasable contact with at least a center of a flat region at an axial end of the fan rotor, the flat region being concentric with the rotation axis, and
wherein contact between the braking surface and at least the center of the flat region at the axial end of the fan rotor stops rotation of the rotating blade assembly around the rotation axis.

US Pat. No. 10,890,218

HYDRAULIC CIRCUIT OF DRIVING DEVICE FOR VEHICLE

HONDA MOTOR CO., LTD., T...

1. A hydraulic circuit of a driving device for a vehicle, the hydraulic circuit comprising:a first clutch and a second clutch that are disposed in a power transmission path configured to transmit power from a power source of the vehicle to a drive wheel;
a first clutch oil path connected to an oil chamber of the first clutch;
a second clutch oil path connected to an oil chamber of the second clutch;
a pressure-regulating valve configured to regulate a pressure of oil ejected from an oil pump;
a source oil path through which oil flows, pressure of the oil having been regulated by the pressure-regulating valve for supplying the oil to each of the first and second clutch oil paths;
a first communicating oil path to make communication between the first clutch oil path and the source oil path;
a second communicating oil path to make communication between the second clutch oil path and the source oil path;
a first shift valve configured to switchably allow and stop the communication of the oil between (i) the first clutch oil path and the second clutch oil path and (ii) a first communicating oil path and a second communicating oil path, respectively;
a first solenoid valve configured to actuate the first shift valve to perform the switching with the first shift valve;
a second shift valve configured to switchably allow and stop the communication of the oil between (i) the first communicating oil path and the second communicating oil path and (ii) the source oil path, respectively; and
a second solenoid valve configure to actuate the second shift valve to perform the switching with the second shift valve,
wherein the first shift valve is configured to selectively switch a state of the communication between a first switching state where the first communicating oil path and the first clutch oil path are communicated and a second switching state where the second communicating oil path and the second clutch oil path are communicated, and
the second shift valve is configured to selectively switch the state of the communication between a third switching state where the source oil path and the first communicating oil path are communicated and a fourth switching state where the source oil path and the second communicating oil path are communicated.

US Pat. No. 10,890,217

HYDRAULIC CLUTCH DEVICE

HONDA MOTOR CO., LTD., T...

1. A hydraulic clutch device comprising:a hydraulic clutch arranged in a power transmission route which comprises a power transmission part and an output rotation shaft rotatable around an axial direction thereof by motive power transmitted to the output rotation shaft from the power transmission part via the hydraulic clutch;
an oil pump configured to supply oil to the hydraulic clutch;
an oil pressure sensor configured to detect an oil pressure of the oil fed to the hydraulic clutch;
a pressure regulating valve configured to pressure-regulate the oil supplied from the oil pump such that the hydraulic clutch is engageable by the oil pressure-regulated by the pressure regulating valve; and
an oil chamber having an oil which is supplied by the oil pump and regulated by the pressure regulating valve such that the hydraulic clutch is engageable by the pressure-regulated oil,
wherein the pressure regulating valve and the oil pressure sensor are located on a downstream side of the hydraulic clutch in an oil flowing direction and arranged in a vicinity of the hydraulic clutch at an opposite side of the power transmission part with respect to the hydraulic clutch in the axial direction of the output rotation shaft,
the oil chamber has a substantially circular and annular shape when viewed from the axial direction of the output rotation shaft, and
the pressure regulating valve and the oil pressure sensor are located on a downstream side of the oil chamber in the oil flowing direction and arranged at an opposite side of the power transmission part with respect to the oil chamber in the axial direction of the output rotation shaft.

US Pat. No. 10,890,216

TORQUE LIMITER, PRINTER AND GEAR-SET

ARGOX INFORMATION CO., LT...

1. A torque limiter, comprising:a first torque limiting module for limiting a first torque with regard to a rotating direction;
a second torque limiting module for limiting a second torque with regard to a counter direction of the rotating direction, wherein the second torque limiting module comprises a third circular ring, a fourth circular ring, a third friction ring, a fourth friction ring and a second elastic element; and
an intermediate connecting member, wherein the first torque limiting module is configured on one side of the intermediate connecting member, the second torque limiting module is configured on the other side of the intermediate connecting member, wherein the third circular ring is connected with a separating plate of the intermediate connecting member and the fourth circular ring by the third friction ring and the fourth friction ring, wherein the fourth circular ring is connected with a second hollow columnar body of the intermediate connecting member fixedly, the second elastic element is configured inside the inner ring flange of the fourth circular ring.

US Pat. No. 10,890,215

SEALED ROLLER BEARING

16. A roller bearing for a wind turbine comprising:a first inner ring comprising an axial protrusion and an end-face outer face;
a second inner ring;
an outer ring arranged coaxially over the first inner ring and the second inner ring;
at least one rolling-element cage;
a first plurality of rolling elements:
arranged in the at least one rolling-element cage in a first rolling-element row between the first inner ring and the outer ring; and
rolling on a first inner ring raceway and a first outer ring raceway;
a second plurality of rolling elements:
arranged in the at least one rolling-element cage in a second rolling element row between the second inner ring and the outer ring; and
rolling on a second inner ring raceway and a second outer ring raceway;
a bearing interior at least partially filled with a lubricant;
an additional ring arranged radially outwardly on the axial protrusion and comprising a base body including an axially outwardly directed second end face flush with the end-face outer face;
an axial extension connected to the outer ring and comprising a cylindrical inner sealing face;
a radial shaft sealing ring installed on the additional ring in a radially outward manner and comprising a radially outwardly directed sealing lip in radial contact with the cylindrical inner sealing face; and
a closure disk attached to the end-face outer face.

US Pat. No. 10,890,214

METHOD FOR ATTACHING A BEARING CARRIER AND ASSEMBLY

AKTIEBOLAGET SKF, Gothen...

1. A method for attaching a bearing carrier having an opening to an outer ring of a bearing, the method comprising:placing the bearing carrier against a first body, wherein the first body is not the outer ring of the bearing,
pressing the first body against a first location on the bearing carrier with a force having a radial component to increase a width of the opening of the bearing carrier,
placing the opening of the bearing carrier on the outer ring of the bearing while maintaining the force, and
releasing the force after placing the bearing carrier on the outer ring.

US Pat. No. 10,890,213

TAPERED ROLLER BEARING

NTN CORPORATION, Osaka (...

1. A tapered roller bearing comprising:an outer ring including an outer-ring raceway surface around an inner circumferential surface;
an inner ring arranged on a radially inner side relative to the outer ring, the inner ring including an inner-ring raceway surface around an outer circumferential surface and a larger flange surface arranged on a larger diameter side relative to the inner-ring raceway surface; and
a plurality of tapered rollers disposed between the outer-ring raceway surface and the inner-ring raceway surface, the tapered roller including a rolling surface in contact with the outer-ring raceway surface and the inner-ring raceway surface and a larger end face in contact with the larger flange surface,
a value of R/RBASE being not smaller than 0.75 and not greater than 0.87, with R representing a reference radius of curvature of the larger end face of the tapered roller and RBASE representing a distance from an apex of a cone angle of the tapered roller to the larger flange surface of the inner ring,
a nitrogen enriched layer being formed on a surface layer of the outer-ring raceway surface of the outer ring, the inner-ring raceway surface of the inner ring, or the rolling surface of the tapered rollers,
a distance from an outermost surface of the surface layer to a bottom of the nitrogen enriched layer being not shorter than 0.2 mm,
the rolling surface of the tapered roller being provided with a crowning profile, and
a sum of drops of the crowning profiles being expressed in a y-z coordinate system with a generatrix of the rolling surface of the tapered roller being defined as a y axis and a direction orthogonal to the generatrix being defined as a z axis, in an expression (1)
where K1, K2, and zm represent design parameters, Q represents a load, L represents a length in a direction of the generatrix, of an effective contact portion of the rolling surface in the tapered roller, E? represents an equivalent elastic modulus, a represents a length from an origin on the generatrix of the rolling surface of the tapered roller to an end of the effective contact portion, and A is defined as A=2K1Q/?LE?.

US Pat. No. 10,890,212

THERMAL MANAGEMENT STRUCTURE FOR A BEARING ASSEMBLY

Transportation IP Holding...

1. A thermal management structure comprising:a body and a pad, the body extending between a first outer surface and a second outer surface, the pad configured to move relative to the body; and
a thermal management channel extending within a portion of the body and extending within a portion of the pad, the thermal management channel configured to direct fluid to one or more locations within the body and to one or more locations within the pad.

US Pat. No. 10,890,211

DYNAMIC BEARING

Safran Landing Systems UK...

1. An aircraft landing gear assembly comprising:a landing gear structural component;
a lug, the lug comprising a unitary component of the structural component, the lug defining a first bore which extends through the lug;
a shaft comprising a first material; and
a bearing surface comprising a second material that is softer than the first material, the bearing surface defining a second bore and being arranged to support the shaft when the shaft is movably housed within the bore in use,
wherein the bearing surface is defined by a coating applied to the first bore of the lug, and
wherein the second material comprises a metal alloy.

US Pat. No. 10,890,210

ARTICULATED SUPPORT ARM

1. An articulated arm comprising:an arm segment, the segment attachable to at least one other segment of the arm;
a ball-and-socket joint at a distal end of the arm segment;
a hydraulic chamber that is filled with a hydraulic fluid;
a proximal piston that is slidable within the arm segment, a face of the proximal piston having a first area that is in contact with the hydraulic fluid at a proximal end of the hydraulic chamber; and
a distal piston, a face of the distal piston having a second area that is in contact with the hydraulic fluid at a distal end of the hydraulic chamber, the distal piston being configured, when pushed distally, to push a locking shoe against a ball of the ball-and-socket joint so as to apply a friction force to the ball that resists rotation of the ball, the second area being greater than the first area such that when an actuating force is applied to the proximal piston such that the face of the proximal piston applies pressure to the hydraulic fluid, the force that is applied by the hydraulic fluid to the distal piston is greater than the actuating force.

US Pat. No. 10,890,209

GIMBAL SYSTEM USING GROOVED ROTATABLE BALL, ORTHOGONALLY ORIENTED GEARS, AND SOCKET CASING

1. A gimbal system, comprising:a spherical ball having two sets of parallel, semi-circumferential grooves, each set wrapping around a respective hemisphere, the first set of the grooves arranged in a first direction, and the second set of the grooves arranged in a second direction perpendicular to the first direction;
a housing having a concave space containing the ball, the concave space forming a cup covering more than half of the ball, within which the ball can freely rotate but cannot fall out, the housing configured to be attached to a support, wherein the ball is driven to counter the actuation of at least one gimbal gear:
a first gimbal gear having actuator teeth, held in the housing to spin around a central axis of the first gimbal gear and arranged to engage the first set of grooves to rotate the ball up to 180 degrees around a first axis parallel to the central axis of the first gear;
a second gimbal gear having actuator teeth, held in the housing to spin around a central axis of the second gimbal gear perpendicular to the central axis of the first gimbal gear, and arranged to engage the second set of grooves to rotate the ball up to 180 degrees around a second axis parallel to the central axis of the second gear;
wherein when the first gimbal gear is activated to rotate the spherical ball, the actuator teeth of the second gimbal gear slide freely along the grooves of the first set without impeding the ball's rotation; and
wherein when the second gimbal gear is activated to rotate the spherical ball, the actuator teeth of the first gimbal gear slide freely along the grooves of the second set without impeding the ball's rotation;
a first motor arranged to drive the first gear;
a second motor arranged to drive the second gear; and
at least one power source electrically coupled to the first motor and the second motor;
wherein the housing is configured to be coupled to a freely moving structure as a gimbal.

US Pat. No. 10,890,208

CRANKSHAFT

NIPPON STEEL CORPORATION,...

1. A crankshaft for a reciprocating engine, the crankshaft comprising:a plurality of journals which are disposed coaxially with a rotational center of the crankshaft;
a plurality of pins which are decentered with respect to the plurality of journals; and
a plurality of crank arms which are each disposed between one journal and one pin, and join the one journal with the one pin, wherein
one or more of the crank arms integrally include a counterweight including two side surfaces,
an added layer of a material different from that of a crankshaft body including the journals, the pins, and the crank arms is provided on each of the side surfaces of the counterweight, and
when the Young's modulus of the material of the added layer is E and the Young's modulus of the material of the crankshaft body is E0, E/E0 is 0.2 to 0.4.

US Pat. No. 10,890,207

CONNECTION TO A SUCTION DISC

Vertiball Solutions Ltd.,...

11. A connection of an accessory to a suction disc module, comprising: a lever mounted to said suction disc module; a latch bar on each side of said lever; a raised shoulder on a top surface of said lever; and an embossment bordering each side of said lever; said accessory having a pair of grooves therein for engagement with said embossments; a pair of inclined latch blocks for engagement with said latch bars and a square-edge boss for engagement with said raised shoulder; said lever being urged away from said suction disc module by a spring; said lever having an overrun in a displacement thereof while a displacement of said spring remains constant;said lever being selectively movable along said overrun for engaging said latch bars with said inclined latch blocks and for engaging said raised shoulder with said square-edge boss for preventing an excess movement of said grooves along said embossments, and
said lever being selectively movable along said overrun for disengaging said latch bars from said inclined latch blocks and for urging said raised shoulder against said square-edge boss for moving said accessory out of engagement from said suction disc module.

US Pat. No. 10,890,206

MULTI-GLIDE LOCKING SNAP HOOK FASTENER

Travel Caddy, Inc., Fran...

1. A fastener, comprising:a body comprising a curved hook and a base, the base comprising a longitudinal bore and a multipart channel extending radially into the longitudinal bore, the base having a first end and a second end;
the multipart channel comprising:
a first channel segment spaced apart from the first end of the base and extending along or across a first part of the base and toward the second end of the base;
a second channel segment contiguous with the first channel segment and extending transversely or both transversely and longitudinally along or across a second part of the base, and the second channel segment offset at a first angle from the first channel segment; and
a third channel segment contiguous with the second channel segment and extending along or across a third part of the base and closer to the second end of the base than the first channel segment, the third channel segment offset at a second, obtuse angle from the second channel segment;anda gate arranged within the longitudinal bore, the gate comprising an elongated shaft and a grip extending from the elongated shaft and into the multipart channel, the gate moveable both longitudinally and rotatably within the longitudinal bore.

US Pat. No. 10,890,205

WATERTIGHT FASTENING DEVICES EMPLOYED IN A SOLAR PANEL INSTALLATION SYSTEM

Sunrun Inc., San Francis...

1. A solar panel installation system, comprising:a base plate, comprising:
a lower surface and an upper surface, wherein the lower surface is configured to be positioned against an installation surface;
a protrusion extending away from the upper surface of the base plate; and
a base plate aperture situated concentrically with respect to the protrusion;
a fastening device, comprising:
a head;
a shank extending away from the head toward a first distal end;
a threaded stud extending away from the head in a direction opposing the shank toward a second distal end;
a nut configured to threadably engage the threaded stud; and
a cover extending outwardly and away from the head in the direction of the shank and defining a hollow region between the shank and an inner surface of the cover, wherein the hollow region is configured to envelop the protrusion when a first tightening force is applied to the fastening device extending through the base plate aperture until the cover is secured to the base plate, and wherein the cover is configured to prevent ingress of moisture beneath the fastening device when secured to the base plate; and
a mount comprising a pair of opposing legs between which an aperture of the mount is located, wherein the mount is positioned atop the base plate and secured against the base plate through the pair of opposing legs, wherein the nut threadably engages the threaded stud extending through the aperture of the mount when a second tightening force is applied to the nut until the mount is secured against the base plate.

US Pat. No. 10,890,204

UNIVERSAL LOCKING PIN

1. A universal locking pin apparatus comprising:a. a shaft comprising:
i. an attachment hole;
ii. a top surface;
iii. a bottom surface;
iv. a slot groove on the top surface;
v. a slot groove on the bottom surface;
vi. a plurality of lock grooves on the bottom surface;
vii. a top hole;
viii. a bottom hole;
b. a locking ring comprising:
i. a slide pin;
ii. a spring loaded mechanism;
c. wherein the locking ring is configured to slide along the top slot groove and the bottom slot groove;
d. a locking tab comprising a hole;
e. a dowel pin configured to connect the locking tab to the shaft;
f. wherein the locking ring can be locked by:
i. rotating the locking ring around the shaft to enable the spring loaded mechanism to compress against the shaft; and
ii. rotating the slide pin from the slot groove on the bottom surface into the plurality of lock grooves; and
g. wherein the dowel pin can be rotated perpendicular to the shaft to secure the universal locking pin in place, the dowel pin acting as an anchor point.

US Pat. No. 10,890,203

APPARATUS FOR SECURING A TOOL IN AN OPENING AND METHOD OF USING SAME

General Electric Company,...

8. A system for separating an upper section of a turbine casing from a lower section of the turbine casing, the upper and lower sections cooperate to define a fastener opening extending therebetween, said system comprising:a lifting member comprising a first end positionable within the fastener opening;
a base positioned with respect to said lifting member when said first end is positioned within the fastener opening, said base positioned on the upper section of the turbine casing; and
a lift coupled to said base for movement relative to said base, said lift comprising an interface portion coupled to said lifting member such that said lifting member is moveable with said interface portion in an extraction direction of the opening when said lift is moved from a first position to a second position relative to said base, said base circumscribes said lift, and wherein the extraction direction extends away from the fastener opening.

US Pat. No. 10,890,202

FASTENING ELEMENT WITH A NON-PERMEABLE ADHESIVE RING

tesa SE, Norderstedt (DE...

1. A method for attaching a main body (12) of a fastening element (10) to a surface (18), which fastening element is designed to connect objects to the surface (18), wherein the method comprises:arrangement of the main body (12) in contact against the surface (18), wherein the main body (12) is connected to the surface (18) by an adhesive ring (20), so that the surface (18), the adhesive ring (20) and a joint that is present therebetween form airtight barriers of a space (16) arranged between them and the main body (12), wherein the main body (12) has at least one air-permeable and/or water-permeable connection between the space (16) and an outer side of the main body (12), said outer side being separated from the space (16) by the main body (12), or the main body (12), already upon the arrangement of the main body (12) on the surface (18), contains moisture,
introduction of an adhesive into the space (16), so that this is filled with a quantity of adhesive (22) which has a contact area with the main body (12),
initiation of a curing process for the quantity of adhesive (22) by providing moisture for the quantity of adhesive (22) found in the space (16),
wherein, prior to the initiation of the curing process and/or during the curing process, the adhesive ring (20) and a quantity of adhesive (22) are heated such that a portion of the quantity of adhesive (22) that is found in the region of the contact area and is facing toward the main body (12) forms an insulating layer (22a) which is cured in an areally homogeneous manner over the contact area and which constitutes a further airtight barrier for a remaining portion of the quantity of adhesive (22b) that is facing away from the main body (12) and is not yet cured, so that it is prevented, when a load is applied to the main body (12), air being drawn into the not yet cured portion of the quantity of adhesive (22b).

US Pat. No. 10,890,201

UPRIGHT SUPPORT BAR

JYIN SHENG CO., LTD., Hu...

1. An upright support bar, comprising:an outer tube having one end thereof terminating in a nesting end and an opposite end thereof locked with a foot member;
an inner tube having one end thereof locked with a foot member and an opposite end thereof terminating in an insertion end, said insertion end of said inner tube being inserted into said nesting end of said outer tube so that said inner tube is movable in said outer tube, said inner tube comprising a plurality of holes spaced along the axis direction thereof;
a mount fastened to said nesting end of said outer tube and located at a position where said outer tube and said inner tube are connected with each other, said mount comprising two supporting pieces respectively disposed at two opposite sides thereof to support said inner tube therebetween and a receiving hole radially passing through a wall of said mount thereof;
a button shaped like a long handle and mounted on the mount, said button comprising an actuation end, a mounting through hole and a finger grip, said actuation end and said finger grip being respectively located at two opposite ends of said button, said actuation end being provided with a latching portion, said latching portion being engaged into one of said holes of said inner tube to lock said inner tube to said outer tube when said actuation end is biased downward, said mounting through hole being disposed between said actuation end and said finger grip and being set along the width of said button;
a torsion spring mounted in said mounting through hole;
a pivot device inserted through said two supporting pieces of said mount, said mounting through hole of said button and said torsion spring to secure said button to said mount for allowing said button to be turned about said pivot device when a force is applied to said finger grip;
a sliding block comprising a locking piece, said sliding block being mounted on said mount and movable relative to said mount between a first position where said locking piece is abutted against said button and a second position where said locking piece being away from said button; and
an elastic damping device mounted in said receiving hole of said mount, said elastic damping device comprising a steel ball and a spring, said spring having one end thereof stopped by said sliding block and an opposite end thereof stopped against said steel ball, said steel ball having a part of the surface thereof exposed outside said receiving hole and being kept engaged in one of said holes of said inner tube.

US Pat. No. 10,890,200

CLAMSHELL MATERIAL FLOW AMPLIFIER

Vortex Pipe Systems LLC, ...

1. A material flow amplifier, comprising:opposing amplifier bodies each having a profile that jointly defines an amplifier body having a flow expander section, a vortex inducer section and a flow mixer, wherein the vortex inducer section extends from a downstream end of the flow expander section and the flow mixer extends from a downstream end of the vortex inducer section; and
a vortex chamber insert within an interior space of the vortex inducer section, wherein the vortex chamber insert includes a plurality of helix vanes and a centralizer tube, wherein the helix vanes extend between the centralizer tube and walls of the amplifier body jointly defining the vortex inducer section thereby defining a plurality of helical flow passages extending therebetween, wherein the centralizer tube terminates proximate an upstream end of the flow mixer; and wherein a length of the centralizer tube is less than a length of the vortex inducer section.

US Pat. No. 10,890,199

APPARATUS FOR RECUPERATING HYDRAULIC ENERGY WITH ENERGY-EFFICIENT REPLENISHMENT OF THE ROD SIDES OF DIFFERENTIAL CYLINDERS AND SIMULTANEOUS PRESSURE INTENSIFICATION

Liebherr-Mining Equipment...

1. An apparatus for recuperating hydraulic energy in a working machine, comprising:at least one first differential cylinder piston device with a differential cylinder having a separate rod side and a bottom side;
at least one hydraulic accumulator which is hydraulically connectable with the first differential cylinder piston device and which, via an accumulator valve fluidically coupled with the rod side of the differential cylinder, stores at least a part of a potential energy of the first differential cylinder piston device retracting under pressing load, wherein the accumulator valve is in direct fluid communication with the rod side of the differential cylinder;
a brake valve and a check valve housed in a second loop fluidically coupling the rod side of the differential cylinder and the bottom side of the differential cylinder; and
a connecting valve housed in a first loop fluidically connecting the rod side and the bottom side of the differential cylinder for recirculating hydraulic fluid from the bottom side into the rod side of the differential cylinder with each of the brake valve, the check valve, and the accumulator valve open and closed.

US Pat. No. 10,890,198

LINEAR ACTUATOR

1. A linear actuator comprising:a cylinder comprising an interior volume and containing hydraulic fluid within;
stator positioned coaxially relative to the cylinder;
a rotor positioned within the cylinder, wherein the rotor comprises one or more permanent magnets and is configured to rotate about a longitudinal axis of the cylinder upon activation of the stator;
a pump coupled to the rotor and configured to displace hydraulic fluid away from a first end of the cylinder and towards a second opposing end of the cylinder upon rotation of the rotor;
one or more electrically conductive rails positioned within and extending along a length of the cylinder, each of the electrically conductive rails is configured to deliver electrical current to carbon brushes operably associated with the stator and in turn activate the stator to thereby induce rotation of the rotor; and
at least one piston shaft having a first end coupled to the rotor and positioned within the cylinder and a second end extending through an end of the cylinder and positioned external to the interior of the cylinder, wherein operation of the pump causes displacement of the hydraulic fluid and thereby causes linear displacement of the piston shaft along the longitudinal axis of the cylinder based on the displacement of the hydraulic fluid.

US Pat. No. 10,890,197

HYDRAULIC ACTUATOR WITH A FREQUENCY DEPENDENT RELATIVE PRESSURE RATIO

ClearMotion, Inc., Bille...

20. A method of operating a hydraulic actuator having a hydraulic cylinder with a piston slidably received in the hydraulic cylinder and dividing the hydraulic cylinder into an extension chamber and a compression chamber, the method comprising:applying a first oscillating input to the actuator, wherein the first oscillating input generates a first pressure wave in the extension chamber and a second pressure wave in the compression chamber, wherein a ratio of an amplitude of the first pressure wave to an amplitude of the second pressure wave is a first relative pressure factor; and
applying a second oscillating input to the actuator, wherein the second oscillating input generates a third pressure wave in the extension chamber and a fourth pressure wave in the compression chamber, wherein a ratio of an amplitude of the third pressure wave to an amplitude of the fourth pressure wave is a second relative pressure factor;
wherein a frequency of the second oscillating input is greater than a frequency of the first oscillating input; and wherein the second relative pressure factor is greater than the first relative pressure factor.

US Pat. No. 10,890,196

DUMMY RING ASSEMBLY FOR REMOVING VANE SEGMENTS, AND METHOD OF REMOVING VANE SEGMENTS USING SAME

MITSUBISHI POWER, LTD., ...

1. A dummy ring assembly for removing vane segments of a rotary machine, the rotary machine including a cylindrical casing centered on an axial line and a vane ring mounted in a vane ring groove, the vane ring groove having an annular shape centered on the axial line and being formed on an inner circumferential side of the casing, the casing being able to be split into a plurality of partial casings in a circumferential direction centered on the axial line, and the vane ring being able to be split into a plurality of vane segments in the circumferential direction, the dummy ring assembly comprising:a plurality of dummy rings, each of the dummy rings having a dummy shroud section capable of being fitted into the vane ring groove, each of the dummy rings having an arc shape whose central angle centered on the axial line is less than 90°, and being capable of moving in the circumferential direction along the vane ring groove,
wherein at least one of the plurality of dummy rings is a first dummy ring having a first end portion including a first end surface among the first end surface and a second end surface in the circumferential direction of the dummy shroud section,
wherein on one side and another side in an axial direction of the first end portion, a tapered surface is formed so that a width of the dummy shroud section in the axial direction gradually increases as the dummy shroud section extends from the first end surface toward the second end surface in the circumferential direction,
wherein the first end surface is slanted so as to gradually extend from the second end surface toward the first end surface in the circumferential direction as the first end surface extends from the one side toward the another side in the axial direction, and
wherein an angle of the tapered surface relative to the circumferential direction at the another side in the axial direction is smaller than an angle of the tapered surface relative to the circumferential direction at the one side in the axial direction.

US Pat. No. 10,890,195

GAS TURBINE ENGINE AIRFOIL

RAYTHEON TECHNOLOGIES COR...

1. A compressor airfoil of a turbine engine comprising:pressure and suction sides extending in a radial direction from a 0% span position to a 100% span position, wherein the airfoil has a relationship between a trailing edge angle and span position that defines a non-linear curve with a non-negative slope from 0% span to 60% span corresponding to a non-decreasing trailing edge angle.

US Pat. No. 10,890,194

AIR-SENDING DEVICE AND AIR-CONDITIONING APPARATUS USING THE SAME

MITSUBISHI ELECTRIC CORPO...

1. An air-sending device, comprising:a propeller fan including a boss mounted to a rotation axis and a plurality of blades mounted on a periphery of the boss; and
a bellmouth surrounding an outer peripheral edge of the propeller fan,
wherein the bellmouth includes:
a duct portion having a cylindrical shape and surrounding the outer peripheral edge of the propeller fan; and
an entry portion, which is formed on upstream of the duct portion, and is reduced in air passage area from upstream toward downstream,
wherein, in the blades, an upstream end of a blade outer periphery is more on an upstream side than an upstream end of a blade inner periphery, and a downstream end of the blade outer periphery is more on a downstream side than a downstream end of the blade inner periphery, as seen along the rotation axis,
wherein the blade inner periphery and the blade outer periphery are inclined with respect to a rotation direction of the blades such that, when the blades rotate, the blade inner periphery approaches the downstream end of the blade inner periphery from the upstream end of the blade inner periphery and the blade outer periphery approaches the downstream end of the blade outer periphery from the upstream end of the blade outer periphery,
wherein, in the blades, when an angle formed by a line segment, which connects a point internally dividing a line segment connecting the downstream end and the upstream end of an outer periphery of the blades along the rotation axis and a point internally dividing a line segment connecting the downstream end and the upstream end of an inner periphery of the blades along the rotation axis at the same ratio to each other, and a reference line being a straight line perpendicular to the rotation axis is defined as ?, and a direction inclined toward the downstream side is defined as positive, the angle ? falls in the range between negative values and positive values at the duct portion,
wherein an angle formed by a line segment, which connects a point bisecting the line segment connecting the downstream end and the upstream end of the outer periphery of the blades along the rotation axis and a point bisecting the line segment connecting the downstream end and the upstream end of the inner periphery of the blades along the rotation axis to each other, and the reference line is a positive value, and
when a line, which connects a point internally dividing the outer peripheral edge of the blades into an upstream side and a downstream side and a point internally dividing the inner peripheral edge of the blades into the upstream side and the downstream side at the same ratio as the outer peripheral edge to each other and forms an angle of 0 degrees with the reference line, is defined as L0, an intersection between the line L0 and the duct portion is defined as R, an axial distance between an upstream end of the duct portion and the intersection R is defined as “a”, and an axial distance of the duct portion is defined as “b”, a/b is set within a range of equal to or larger than 0 and equal to or smaller than 0.3.

US Pat. No. 10,890,193

MULTIPHASE PUMP

SULZER MANAGEMENT AG, Wi...

1. A multiphase pump for pumping a multiphase mixture containing hydrocarbon, comprising:a separation system having a first separation stage configured to at least partly separate at least one portion of the multiphase mixture into a plurality of phase-enriched components, the first separating stage comprising an impeller attached to a pump shaft of the multiphase pump and having an inlet side formed by a seal; and
a supply system configured to supply a liquid-enriched liquid component as a lubricant to a pump element to be lubricated,
the first separation stage configured to enable the multiphase mixture to flow around and beneath the impeller, such that the liquid and solid from the multiphase mixture is capable of being driven radially outwardly to a collection chamber, a first portion of the liquid and solid being channeled to a product stream via a connection line and a second portion of the liquid and solid entering the supply system.

US Pat. No. 10,890,192

EXTERNALLY PROGRAMMABLE FAN

MDR ARCOM LLC, Middle Gr...

1. A fan comprising:(a) an impeller;
(b) a motor connected to the impeller, the motor is configured to drive the impeller to move a fluid;
(c) an instrumentation assembly that includes:
(i) one or more components for controlling one or more operations of the fan; and
(ii) a memory, a microprocessor, or both;
(d) an interface in communication with the instrumentation assembly and the memory, the microprocessor, or both;
(e) a housing that receives the impeller, the motor, the instrumentation assembly and the interface; and
(f) a power connector that extends into the housing, the power connector and the interface are spaced apart;
wherein the interface is configured so that one or more programs, one or more signals, or both can be directly input into the memory, the microprocessor, or both and stored for later use after a final assembly of the fan so that the fan can be configured to perform a desired function at a time of installation into a final product, reconfigured for a different purpose than originally programmed, or both;
wherein the interface is integrally formed on and projects outwardly from an outer radial edge of the instrumentation assembly;
wherein a portion of the interface is configured to be removed from a sealed containment; and
wherein a portion of the fan is configured to be resealed after the fan is programmed and/or reprogrammed.

US Pat. No. 10,890,191

SYSTEMS AND METHODS FOR MOUNTING ELECTRICALLY POWERED DEVICES TO CEILINGS AND OTHER STRUCTURES

1. A system for mounting an electrically-powered device to a supporting structure, comprising:a mounting bracket comprising a receiving portion and a first electrical connector; and
a hangable structure comprising a mating member configured to be positioned against the receiving portion, the hangable structure further comprising a second electrical connector,
wherein the second electrical connector is configured to engage the first electrical connector to establish an electrical connection therebetween during a positioning event in which the mating member is brought into position so as to rest in a proper alignment against the receiving portion without further manipulation of the hangable structure after establishment of the electrical connection, and wherein the mounting bracket and the hangable structure are configured so that the mounting bracket interferes with gravity-influenced disengagement of the hangable structure from the mounting bracket when the mating member is in the proper alignment.

US Pat. No. 10,890,190

MAGNETIC PUMP

IWAKI CO., LTD., Tokyo (...

1. A magnetic pump comprising:a front casing that includes a pump chamber formed inside and a cylindrical suction port through which a transfer fluid is sucked into the pump chamber;
a rear casing that forms a space continuous with the pump chamber;
a supporting shaft that is disposed in the space and a leading end portion of which extends to the suction port via the pump chamber;
a magnet can that is disposed in the space, is rotatably supported by the supporting shaft, and is provided with a magnet along a peripheral direction of the supporting shaft;
an impeller fixed to the magnet can and accommodated in the pump chamber so as to rotate integrally with the magnet can; and
a rotary driving means that is magnetically coupled to the magnet via the rear casing and gives rotary driving force to the magnet,
the front casing including:
a shaft supporting body that supports a leading end of the supporting shaft; and
a plurality of supporting legs that extend from an inner wall of the suction port to the shaft supporting body and support the shaft supporting body in the suction port, wherein:
a leading end of the shaft supporting body is positioned further toward an inlet side of the suction port than a connecting section between the inner wall of the suction port and the plurality of supporting legs;
the plurality of supporting legs extend from the connecting section on the inner wall to the leading end of the shaft supporting body that is further toward the inlet side than the connecting section such that the plurality of supporting legs extend toward the inlet side from the inner wall;
the leading end of the supporting shaft is located at a position where the impeller is located in a direction in which the supporting shaft extends;
the shaft supporting body extends from the leading end of the supporting shaft to the inlet side of the suction port; and
the plurality of supporting legs extend from the connecting section on the inner wall to the leading end of the supporting shaft that is further toward an opposite side to the inlet side than the connecting section, with the proviso that each of the plurality of supporting legs is a continuous element that extends from the inner wall both toward the leading end of the supporting shaft and to the leading end of the shaft supporting body.

US Pat. No. 10,890,189

SUBMERSIBLE PUMPING SYSTEM HAVING THRUST PAD FLOW BYPASS

SCHLUMBERGER TECHNOLOGY C...

1. A system for pumping, comprising:an electric submersible pumping system having:
a submersible motor;
a motor protector; and
a submersible, centrifugal pump powered by the submersible motor, the submersible, centrifugal pump comprising a plurality of stages having pairs of cooperating impellers and diffusers, each pair having an impeller movably engaged with a corresponding diffuser via a downthrust pad assembly and a front seal, each pair further comprising a bypass channel which enables a flow of fluid from a tip of the impeller, past the downthrust pad assembly such that the flow of fluid remains separated from the down thrust pad assembly, and through the front seal during operation of the submersible, centrifugal pump, wherein the bypass channel is formed through a pad mount structure, the pad mount structure supporting the downthrust pad assembly, and a radially inward edge of the pad mount structure is radially spaced and separated from the front seal.

US Pat. No. 10,890,188

COMPRESSOR NOISE REDUCTION

TRANE INTERNATIONAL INC.,...

1. A scroll compressor, comprising:an enclosure including:
a compression mechanism that compresses a working fluid;
a discharge port through which a compressed working fluid is discharged;
a discharge plenum which receives the compressed working fluid from the discharge port; and
a pulsation absorber disposed within the discharge plenum, the pulsation absorber dividing the discharge plenum into a plurality of volumes, the pulsation absorber extending across a diameter of the enclosure and contacting walls of the enclosure, and the entire pulsation absorber extending in a direction perpendicular to a longitudinal axis of the discharge port,
wherein in a sectional view of the scroll compressor, the pulsation absorber includes a first end and a second end, the first end and the second end contact walls of the enclosure, and the entire pulsation absorber extends from the first end to the second end in the direction perpendicular to the longitudinal axis of the discharge port.

US Pat. No. 10,890,187

SCROLL COMPRESSOR WITHA LUBRICANT SUPPLY SYSTEM AND REFRIGERATION CYCLE APPARATUS HAVING THE SCROLL COMPRESSOR

Mitsubishi Electric Corpo...

1. A scroll compressor comprising:a crank shaft having a lubricant channel which allows lubricant to flow therethrough;
an orbiting scroll attached to the crank shaft, the orbiting scroll including:
a discoidal base plate,
a cylindrical part that projects from one surface of the base plate,
inner channels foa reed along the one surface of the base plate configured to allow the lubricant supplied thereto through the crank shaft to outwardly flow therethrough, the inner channels including a first inner channel and a second inner channel,
one end of the second inner channel is connected to an inside of the cylindrical part and another end of the second inner channel penetrates the base plate to a radial outer side of the base plate,
a plug part is provided in the first inner channel and configured to suppress a flow of the lubricant toward the radial outer side of the base plate,
an adjustment part provided in the second inner channel and configured to adjust a flow amount of the lubricant flowing through the second inner channel of the base plate,
a lubricant channel groove is formed in the one surface of the base plate and connection holes that connect the inner channels and the lubricant channel groove to one another, wherein
in the first inner channel the lubricant flows to the lubricant channel groove through a corresponding one of the connection holes, and
in the second inner channel the lubricant passes through the adjustment part and is discharged out the radial outer side of the base plate.

US Pat. No. 10,890,186

COMPRESSOR

Emerson Climate Technolog...

1. A compressor comprising:a shell;
a compression mechanism disposed within the shell;
a driveshaft drivingly engaged with the compression mechanism;
a motor assembly disposed within the shell and drivingly engaged with the driveshaft, the motor assembly including a rotor and a stator, the stator is fixed relative to the shell, the rotor including an axially extending portion and a radially extending portion, the axially extending portion disposed radially outward relative to the stator, the radially extending portion engaging the driveshaft and disposed axially between the stator and the compression mechanism; and
a stator support member fixed relative to the shell and the stator, the stator support member extending longitudinally through at least a portion of the stator and axially spaced apart from the driveshaft,
wherein the driveshaft includes a fluid passageway in fluid communication with a discharge chamber defined by said shell, and
wherein the compression mechanism includes an orbiting scroll member and a non-orbiting scroll member, the non-orbiting scroll member including a first discharge passage in fluid communication with the discharge chamber, the orbiting scroll member including a second discharge passage in fluid communication with the fluid passageway in the driveshaft.

US Pat. No. 10,890,185

SCROLL COMPRESSOR HAVING A CENTRAL MAIN DISCHARGE PORT AND AN AUXILIARY DISCHARGE PORT

DANFOSS COMMERCIAL COMPRE...

1. A scroll compressor comprising:a hermetic housing,
a fixed scroll element arranged within the hermetic housing and comprising a fixed end plate and a fixed spiral wrap extending from the fixed end plate,
an orbiting scroll element arranged within the hermetic housing and comprising an orbiting end plate and an orbiting spiral wrap extending from the orbiting end plate, the fixed and orbiting spiral wraps being intermeshed with each other to define, with the fixed and orbiting end plates, pairs of compression pockets, a volume of the compression pockets decreasing from outer ends towards inner ends of the fixed and orbiting spiral wraps during orbiting movement of the orbiting scroll element, a radial inner pair of compression pockets comprising a direct pocket and an indirect pocket,
a central main discharge port formed in the fixed end plate and configured to communicate the direct pocket with a discharge pressure volume formed within the hermetic housing,
wherein an auxiliary discharge port is formed in the fixed end plate at a position close to an outer wall side of the fixed spiral wrap and adjacent the inner end of the fixed spiral wrap, and in that the auxiliary discharge port, during orbiting movement of the orbiting scroll element, is at least partially uncovered by the orbiting spiral wrap to communicate the indirect pocket with the discharge pressure volume, and
wherein the orbiting scroll element is configured to substantially simultaneously communicate the direct pocket with the central main discharge port and the indirect pocket with the auxiliary discharge port at an initiation of a discharge process of the direct and indirect pockets.

US Pat. No. 10,890,184

SCROLL COMPRESSOR AND REFRIGERATION CYCLE APPARATUS INCLUDING INJECTION PORT OPENING INTO SUCTION CHAMBER

MITSUBISHI ELECTRIC CORPO...

1. A scroll compressor, comprising:a hermetic container into which refrigerant gas is drawn through a suction pipe;
a compression mechanism disposed in the hermetic container, including a fixed scroll and an orbiting scroll, and configured to compress the refrigerant gas;
a motor mechanism disposed in the hermetic container;
a rotation shaft configured to transmit torque of the motor mechanism to the orbiting scroll; and
an injection port for introducing refrigerant flowing into the compression mechanism through an injection pipe that is different from the suction pipe,
the fixed scroll and the orbiting scroll each including a baseplate and a spiral body,
the compression mechanism having a compression chamber that is closed between the spiral body of the fixed scroll and the spiral body of the orbiting scroll, and a suction chamber that is unclosed and into which the refrigerant gas in the hermetic container is sucked,
the injection port opening only to the suction chamber located between the spiral body of the fixed scroll and the spiral body of the orbiting scroll, the injection port being provided on the baseplate of the fixed scroll, and, in all phases of rotation of the rotation shaft, being located on an inner side of an outer edge of the compression mechanism that is configured by meshing the spiral body of the fixed scroll and the spiral body of the orbiting scroll with each other, the injection port is repeatedly opened to communicate with the suction chamber and closed to prevent communication with the suction chamber by the spiral body of the orbiting scroll as the orbiting scroll orbits.

US Pat. No. 10,890,183

SCROLL COMPRESSOR WITH FIXING FEATURES

HITACHI-JOHNSON CONTROLS ...

1. A scroll compressor, comprising:a hermetically sealed container including at least a cylindrical center shell; and
a compression mechanism unit that is disposed in the hermetically sealed container and includes a frame, a fixed scroll having a fixed wrap, and an orbiting scroll having an orbiting wrap which is engaged with the fixed wrap, and is disposed between the frame and the fixed scroll,
wherein the fixed scroll includes a cylindrical portion which is formed in a circumferential direction on an outer circumferential side of the fixed wrap, a flange which is provided in the circumferential direction further outside of the cylindrical portion, and a first hole which is disposed in the flange in an axial direction,
the frame includes an inner circumferential surface into which the cylindrical portion of the fixed scroll is inserted and fitted, a flange which is provided in the circumferential direction further outside of the inner circumferential surface, and a second hole in the axial direction which is disposed in a position of the flange opposite to the first hole, and
the scroll compressor further comprises:
a knock pin that is inserted in the first hole and the second hole to prevent the frame and the fixed scroll from being displaced in a rotational direction; and
a weld that fixes the frame and the fixed scroll to the hermetically sealed container,
wherein a first portion of an outer surface of the frame below the flange of the frame in the axial direction extends outward in a radial direction less than a second portion of the outer surface of the frame that is below the first portion in the axial direction and that contacts an inner surface of the cylindrical center shell.

US Pat. No. 10,890,182

SCROLL COMPRESSOR HAVING CHECK VALVE AND PASSAGE THAT COMMUNICATES A DISCHARGE PORT WITH A DISCHARGE SPACE WHEN THE CHECK VALVE IS CLOSED

LG ELECTRONICS INC., Seo...

1. A scroll compressor, comprising:a casing including a discharge space provided in an inner space;
a drive motor provided in the inner space of the casing;
a rotational shaft coupled to the drive motor;
a frame provided adjacent to the drive motor;
a first scroll provided adjacent to the frame and including a first wrap at one side of a first plate and a plurality of discharge ports at an inner end of the first wrap;
a second scroll provided between the frame and the first scroll and including a second wrap engaged with the first wrap at one side of a second plate to which the rotational shaft is eccentrically coupled to be overlapped in a radial direction, and a compression chamber formed between the first scroll and the second scroll, while the second scroll performs an orbiting motion with respect to the first scroll; and
a plurality of first check valves provided at an exit end surface of an exit end of the plurality of discharge ports and configured to block a backflow of refrigerant discharged to the discharge space of the casing to the compression chamber, respectively, wherein a plurality of recesses is respectively provided at the exit end surface of the plurality of discharge ports to communicate the discharge space of the casing with the compression chamber in a state in which the plurality of first check valves is respectively closed, and wherein the plurality of recesses is formed at the exit end surface of the plurality of discharge ports at a predetermined depth so as to penetrate into an inner circumferential surface of the exit end of the plurality of discharge ports, wherein the compression chamber includes a first compression chamber and a second compression chamber, wherein the plurality of discharge ports includes a first discharge port that communicates with the first compression chamber and a second discharge port that communicates with the second compression chamber, and wherein the plurality of recesses includes a first recess that communicates with the first discharge port and a second recess that communicates with the second discharge port.

US Pat. No. 10,890,181

ENHANCING FLUID FLOW IN GEROTOR SYSTEMS

Boundary Lubrication Syst...

1. A gerotor apparatus for a pump in a vehicle system, comprising:an outer rotor comprising:
inward-facing teeth,
an inner surface that defines an inner profile of the outer rotor, the inner profile of the outer rotor comprising respective profiles of the inward-facing teeth, and
a through passage through the outer rotor, the through passage defined by:
a first port formed at the inner surface of the outer rotor between a neighboring pair of the inward-facing teeth,
a second port formed at a planar side surface of the outer rotor,
a porting flow path extending from the first port, and
an axial flow passage extending from the second port to communicate with the extended porting flow path so that fluid flowing in the through passage enters the first port and then flows through the porting flow path and subsequently through the axial flow passage and exits the outer rotor after flowing through the second port; and
an inner rotor residing within the outer rotor and comprising:
outward-facing teeth,
an outer surface that defines an outer profile of the inner rotor, the outer profile of the inner rotor comprising respective profiles of the outward-facing teeth,
a cutout defined by the outer surface of the inner rotor,
parallel first and second planar side surfaces,
ports defined by the outer surface of the inner rotor, and
one or more flow paths through the inner rotor between the respective ports,
wherein the inner rotor and the outer rotor reside in contact such that the inner profile of the outer rotor seals against the outer profile of the inner rotor at multiple distinct points.

US Pat. No. 10,890,180

INTERNAL GEAR PUMP

SUBARU CORPORATION, Toky...

1. An internal gear pump comprising:an outer rotor that comprises internal teeth;
an inner rotor that is rotatably disposed inside the outer rotor, that forms pump chambers configured to expand and contract repeatedly between the outer rotor and the inner rotor, and that comprises external teeth a number of which is one less than a number of the internal teeth, the external teeth being engageable with the internal teeth; and
a pump housing that is formed of a case comprising a retention hollow in which the outer rotor is rotatably retained and a cover that blocks an opening of the retention hollow and that has an inhalation port via which a fluid is to be inhaled into the pump chambers and a first discharge port via which the fluid is to be discharged from the pump chambers,
wherein the pump housing has a first notch formed within a first land surface that extends from an end of the inhalation port to an end of the first discharge port, and the internal teeth and the external teeth are in sliding contact with the first land surface,
wherein the first notch is formed along a projection trajectory obtained by projecting a trajectory of chip points on the first land surface, where each of the chip points is a middle point between a corresponding one of the internal teeth and a corresponding one of the external teeth at a location at which the internal tooth and the external tooth substantially face each other above the first land surface and are closest to each other,
wherein the pump housing comprises the first land surface, the first discharge port, a second land surface, and a second discharge port that are formed in this order in a rotation direction of the inner rotor, and
wherein the first notch is formed in such a manner that one of the pump chambers located above the first land surface is not in communication with the first notch when another pump chamber located above the second land surface is in communication with the first discharge port and the second discharge port.

US Pat. No. 10,890,179

CONTAINER ASSEMBLY FOR A PUMP

FLUID-O-TECH GROUP S.R.L....

1. Container assembly (10) for a pump provided with at least one pumping group (12, 14, 16, 18) and with at least one system (20) for transmitting power to said pumping group (12, 14, 16, 18), said at least one system having an axis of rotation, the container assembly (10) comprising at least one elastic element (26) sealingly housed inside said container assembly (10) at a predefined internal wall (28) thereof, the container assembly (10) being characterized in that inside on the surface of the elastic element (26), at least one cavity (32) is formed between a plurality of shaped walls (34) of said elastic element (26), adjacent to said predefined wall (28) of said container assembly (10) and said cavity being symmetrically aligned with and intersecting the axis of rotation, said cavity (32) and said predefined wall (28) of said container assembly (10) defining a corresponding air chamber, said air chamber being configured to allow deformation of said elastic element (26) for damping the variations of volume and the expansion of the fluid contained inside the pump following a change of state of said fluid when subjected to temperatures lower than its freezing point.

US Pat. No. 10,890,178

MECHANICALLY ACTUATED TRAVELING VALVE

MAXFLU PUMPS CORP., Calg...

1. A mechanically actuated traveling valve positioned within a positive displacement pump, the pump having a reciprocally moving pump cylinder having an inner periphery forming a fluid chamber, an upstream suction end and a downstream discharge end, the valve comprising:a reciprocating valve stem having a first end and a second end, and having an outer periphery, the second end extending through the discharge end of the pump cylinder;
a reciprocating motion inducing element connected to the first end of the valve stem by a valve connector for imparting reciprocating movement from the reciprocating motion inducing element to the stem;
a valve seat secured to the pump cylinder at the discharge end, the seat having an inner periphery forming an annular fluid flow area, the second end of the valve stem extending through the annular fluid flow area of the valve seat, the inner periphery of the valve seat and the outer periphery of the valve stem defining a first fluid flow area;
a valve plug connected to the stem at its second end, the plug having an outer periphery, the outer periphery of the valve plug and an inner periphery of the cylinder defining a second fluid flow area; and
at least one displaceable valve ring having an internal and external periphery, the internal periphery of the ring and the outer periphery of the stem defining a third fluid flow area, and the external periphery of the ring and the inner periphery of the cylinder defining a fourth fluid flow area;
wherein the first fluid flow area is substantially equal to or smaller than the second fluid flow area, and also substantially equal to the sum of the third and fourth fluid flow areas;
wherein the reciprocating movement of the stem opens and closes the valve;
wherein, when the valve is in the open or the closed position, the valve plug and the at least one displaceable valve ring are each positioned upstream of the valve seat; and
wherein when in the open position, the distances: (i) between the valve plug and a last at least one displaceable valve ring adjacent the plug, (ii) between the at least one displaceable valve rings, and (iii) between the valve seat and a first at least one displaceable valve ring adjacent the seat are spaced to maximize fluid flow therethrough while minimizing the pressure drop across the valve.

US Pat. No. 10,890,177

FUEL PUMP FOR PRESSURIZING LOW PRESSURE FUEL SUCTIONED INTO A PRESSURIZING CHAMBER AND DISCHARGING HIGH PRESSURE FUEL PRESSURIZED IN THE PRESSURIZING CHAMBER

DENSO CORPORATION, Kariy...

1. A fuel pump configured to pressurize low pressure fuel suctioned into a pressurizing chamber and discharge high pressure fuel, which is pressurized in the pressurizing chamber, from the pressurizing chamber, the fuel pump comprising:a feed passage that supplies the low pressure fuel, which is fed from a feed pump, to the pressurizing chamber;
a metering valve that is installed in the feed passage, wherein the metering valve adjusts a supply amount of the low pressure fuel supplied to the pressurizing chamber or adjusts a discharge amount of the low pressure fuel discharged from the pressurizing chamber, so that the metering valve adjusts an amount of the low pressure fuel that is a pressurizing subject to be pressurized in the pressurizing chamber;
a first return passage that is connected to a portion of the feed passage located on an upstream side of the metering valve and returns the low pressure fuel to an upstream side of the feed pump;
a first pressure regulating valve that includes a first valve element, which is configured to open and close the first return passage, and a first resilient element, which applies a resilient force to the first valve element toward a valve closing side, while the first valve element is opened against the resilient force of the first resilient element in a case where a pressure of the low pressure fuel becomes equal to or larger than a first preset pressure;
a second return passage that is connected to a portion of the feed passage located on an upstream side of the metering valve and returns the low pressure fuel to the upstream side of the feed pump; and
a second pressure regulating valve that includes a second valve element, which is configured to open or close the second return passage, and a second resilient element, which applies a resilient force to the second valve element toward a valve closing side, while the second valve element opens against the resilient force of the second resilient element in a case where the pressure of the low pressure fuel becomes equal to or larger than a second preset pressure, wherein:
the first pressure regulating valve and the second pressure regulating valve are configured such that a degree of responsiveness of valve opening and closing of the second pressure regulating valve is higher than a degree of responsiveness of valve opening and closing of the first pressure regulating valve, and
the first pressure regulating valve and the second pressure regulating valve are configured such that the second preset pressure is larger than the first preset pressure.

US Pat. No. 10,890,176

CONTROL DEVICE FOR HIGH PRESSURE PUMP

DENSO CORPORATION, Kariy...

1. A control device for a high pressure pump the high pressure pump including a plunger that reciprocates with rotation of a rotating shaft so that a capacity of a pressurization chamber is variable, and a regulating valve having a valve body placed in a fuel suction passage communicating with the pressurization chamber, the regulating valve configured to close the fuel suction passage supplying fuel to the pressurization chamber when an electromagnetic part is in an energized state and configured to open the fuel suction passage shutting off fuel supply to the pressurization chamber when the electromagnetic part is in a non-energized state, as a result of moving the valve body by switching the electromagnetic part between the energized state and the non-energized state, and the regulating valve is further configured to adjust a fuel discharge amount of the high pressure pump by switching the regulating valve between an open state and a closed state, the control device comprising:a plurality of sound reducing parts that are operated individually, when a predetermined condition for operation of the control device in a sound reducing control mode is met, at each of a plurality of timings when an operating sound is generated as a result of a movement of the valve body, in one open-and-close period in which the valve body makes an opening movement and a closing movement, and that are each configured to reduce an operating sound that is generated as a result of a movement of the valve body, at each of the plurality of the timings, by increasing a required period of energizing the electromagnetic part relative to that in a normal control time;
an upper limit determination part that determines whether the increased required period of energizing the electromagnetic part in the one open-and-close period exceeds a predetermined upper limit value, when all the plurality of the sound reducing parts are operated; and
a selectively operating part configured to operate the plurality of the sound reducing parts in the one open-and-close period, wherein
the selectively operating part:
selects at least one of the plurality of the sound reducing parts according to an order of priority determined in advance on the basis of at least one of an effect of reducing the operating sound or an effect of reducing an energizing period of the electromagnetic part and operates the at least one of the plurality of the sound reducing parts, and
prohibits the remaining one or more of the plurality of the sound reducing parts to an extent that the required period of energizing does not exceed the upper limit value, when the upper limit determination part has determined that the required period of energizing exceeds the upper limit value.

US Pat. No. 10,890,175

DIRECT DRIVE PUMPING UNIT

Weatherford Technology Ho...

1. A direct drive pumping unit, comprising:a reciprocator for reciprocating a sucker rod string and comprising:
a tower for surrounding a wellhead;
a polished rod connectable to the sucker rod string and having an inner thread open to a top thereof and extending along at least most of a length thereof;
a screw shaft for extending into the polished rod and interacting with the inner thread; and
a motor mounted to the tower, torsionally connected to the screw shaft, and operable to rotate the screw shaft relative to the polished rod; and
a sensor for detecting position of the polished rod.

US Pat. No. 10,890,174

HYDROSTATIC SYSTEM PROVIDING VOLUMETRIC EFFICIENCY WHEN PUMP IS NEUTRAL

Danfoss Power Solutions I...

1. A hydrostatic system, comprising:a pump with a discharge conduit and a supply conduit, wherein the discharge conduit and the supply conduit are outside the pump; and
a valve connected between the discharge conduit and the supply conduit;
wherein the valve is adapted to selectively move to a position having a cross port orifice when the pump is in neutral allowing a flow between the discharge conduit and the supply conduit, and a pair of end positions that each block a connection between the discharge conduit and the supply conduit.

US Pat. No. 10,890,173

OPERATION OF PUMP STATIONS WITH ADDITIVE PUMPS

Natural Gas Solutions Nor...

1. An apparatus, comprising:a pump head;
an actuator that penetrates into the pump head;
a sealed region disposed about the actuator to form a fluid-free zone; and
a fluid sensing unit coupled with the sealed region, the fluid sensing unit comprising:
a receptacle that is configured to retain fluid that transits from inside the sealed region, the receptacle having a port that resides proximate its top, and
a first valve disposed in the receptacle in proximity to the port, the valve operative to regulate flow of fluid through the port in response to a fluid level in the receptacle.

US Pat. No. 10,890,172

FLUID PUMPS AND RELATED SYSTEMS AND METHODS

White Knight Fluid Handli...

1. A reciprocating fluid pump for pumping a subject fluid, comprising:a pump body;
a subject fluid chamber within the pump body, the subject fluid chamber having a substantially uniform inner diameter;
a first plunger located within the subject fluid chamber of the pump body and comprising a first head portion and a first bellows extending from the first head portion, the first plunger configured to expand and compress in a reciprocating action to pump the subject fluid through the subject fluid chamber within the pump body,
wherein the first head portion and the first bellows have a first outer diameter that is at least substantially equal to the substantially uniform inner diameter of the subject fluid chamber; and
a second plunger located within the subject fluid chamber of the pump body and comprising a second head portion and a second bellows extending from the second head portion, the second plunger configured to expand and compress in a reciprocating action to pump the subject fluid through the subject fluid chamber within the pump body, wherein the second head portion and the second bellows have a second outer diameter that is smaller than the first outer diameter.

US Pat. No. 10,890,171

FLUID CONTROL DEVICE AND PUMP

Murata Manufacturing Co.,...

1. A fluid control device comprising:an inlet for sucking fluid from an external space into the fluid control device,
an outlet for discharging the fluid from within the fluid control device to the external space,
a vibrating plate having a circular central part, a frame part surrounding the circular central part, and a plurality of connecting parts connecting between the circular central part and the frame part, the plurality of connecting parts being located along a circle that is concentric with the circular central part;
a driver stacked over the circular central part, the driver being configured to vibrate the vibrating plate in a flexural manner from the circular central part to the plurality of connecting parts; and
an opposed plate stacked over the frame part, the opposed plate being spaced apart from and opposed to at least the plurality of connecting parts,
wherein the opposed plate has a plurality of channel holes through which a fluid flows, each of the channel holes being located at a position opposed to a respective connecting part of the plurality of connecting parts, and
wherein during operation of the fluid control device, the fluid is sucked through the inlet, flows through the plurality of channel holes, and is discharged through the outlet.

US Pat. No. 10,890,170

REPLACEMENT TUBE FOR A CELLULAR SUCTION STABILIZING MANIFOLD

Performance Pulsation Con...

1. A replacement tube, comprising:a closed cell foam formed in a cylindrical tube and flexible to absorb pressure pulsations in a chamber of a suction manifold or in another device; and
a reinforcement device fixed along a length of the closed cell foam and extending at least a majority of the length of the closed cell foam to support the closed cell foam from flexing and collapsing along the length of the closed cell foam, wherein the reinforcement device comprises a perforated C-shaped sheet embedded in the closed cell foam and extending circumferentially more than halfway around a central axis of the closed cell foam.

US Pat. No. 10,890,169

LINEAR COMPRESSOR

LG ELECTRONICS INC., Seo...

1. A linear compressor, comprising:a cylinder that defines a compression space for a refrigerant;
a piston that axially reciprocates inside the cylinder;
a motor configured to provide a drive force to the piston, the motor including a stator;
a suction valve configured to suction the refrigerant into the compression space;
a discharge valve configured to discharge the refrigerant compressed in the compression space; and
a discharge cover having a discharge space into which the refrigerant discharged through the discharge valve flows, wherein at least one of the suction valve or the discharge valve, and the discharge cover are arranged inside the motor, wherein the discharge valve is located inside the cylinder, wherein the discharge valve is disposed between the piston and the discharge cover, and is spaced apart from the discharge cover, and wherein the cylinder is located inside the stator, wherein the discharge cover comprises:
a body inserted into the cylinder; and
a cover portion that extends radially from an end of the body, and wherein a partition is arranged inside the body to partition the discharge space into a first discharge space and a second discharge space.

US Pat. No. 10,890,168

LINEAR COMPRESSOR

LG ELECTRONICS INC., Seo...

1. A linear compressor, comprising:a cylinder that defines a compression space;
a piston having a plurality of suction holes through which refrigerant is introduced into the compression space; and
a muffler connected to the piston and through which the refrigerant supplied to the piston flows, the muffler including:
a seat seated on one end of the piston; and
a protrusion arranged at an inside of the piston, the protrusion including:
a plurality of flow pipes that extends from the seat to the inside of the piston to guide the refrigerant to the plurality of suction holes; and
a resonator arranged at radially inside of the plurality of flow pipes and having a resonance space therein.

US Pat. No. 10,890,167

METHOD FOR OPERATING A PISTON PUMP, CONTROL DEVICE OF A PISTON PUMP, AND PISTON PUMP

Robert Bosch GmbH, Stutt...

1. A method for operating a piston pump which is driven by a coil (1) of an electromagnet, wherein a piston (2) of the piston pump is moved against a restoring force by the electromagnet, the method comprising:applying a voltage (U) from a source to the coil (1) for a switch-on period, causing a current (I) to flow through the coil (1) and causing the piston (2) to accelerate and reach a stop (8);
applying, for a hold-time period directly following the switch-on period, a weak quenching method such that the current (I) flowing through the coil (1) decreases over time while the coil (1) maintains holding the piston (2) against the stop (8);
applying, for an operation period directly following the hold-time period, a strong quenching method such that the current (I) flowing through the coil (1) decreases more rapidly over time than in the weak quenching method, releasing the piston (2) from the stop (8);
wherein the switch-on period of the electromagnet is ended as soon as a movement of the piston (2) against the stop (8) is automatically identified.

US Pat. No. 10,890,166

NON-PULSATION PUMP HAVING STROKE ADJUSTMENT MECHANISM

NIKKISO CO., LTD., Tokyo...

1. A non-pulsation pump comprising:a cam mechanism that converts a rotational motion of a shared motor into a reciprocal motion having a prescribed phase difference;
a plurality of cross heads that make a reciprocal motion with a prescribed phase difference through the cam mechanism; and
a plurality of reciprocating pumps that are driven with the prescribed phase difference and that include plungers connected to the cross heads, wherein
a total discharge flow rate into a shared discharge pipe is kept constant, and
the non-pulsation pump includes a preliminary compression step for moving the plungers of the reciprocating pumps to a discharge side by an amount after a suction step but before a discharging step, and
the non-pulsation pump further includes a stroke adjustment mechanism, the stroke adjustment mechanism comprising a body and a stopper, the stopper sliding in a front-rear direction with respect to the body, the stopper attached to the cross head in a manner whereby an axial direction position of the stopper with respect to the cross head changes, wherein a gap between a respective cross head of the plurality of cross heads and a respective plunger of the plurality of plungers in the axial direction is configured to be changed by adjusting the axial direction position of the stopper by rotating the body, the stroke adjustment mechanism thereby configured to adjust an effective stroke length of the plunger in the preliminary compression step.

US Pat. No. 10,890,165

CONTROLLER AND SYSTEM FOR UTILITY VEHICLE

Parker-Hannifin Corporati...

1. A vehicle, comprising:a pump including a swashplate tiltable about a swashplate tilt axis, wherein rotation of the swashplate changes a title angle of the swashplate and effects a change in volumetric displacement of the pump;
a controller operatively coupled to the swashplate to effect rotation of the swashplate, the controller comprising
a processor and memory;
a first input for receiving a user-controlled speed control signal;
a second input for receiving user-selected operating modes of the vehicle;
an output for providing a vehicle speed setpoint to effect rotation of the swashplate in order to control a speed of the vehicle; and
logic stored in the memory and executable by the processor, the logic configured to generate the vehicle speed setpoint based on the user-selected speed control signal, and change at least one of the user-controlled speed control signal or the vehicle speed setpoint based on the user-selected operating modes of the vehicle;
the vehicle further comprising:
a first driven wheel arranged on a first side of the vehicle;
a second driven wheel arranged on a second side of the vehicle;
at least one steerable wheel;
at least one steering attitude sensor coupled to the at least one steerable wheel and to the controller, the attitude sensor operative to communicate a steering attitude of the at least one wheel to the controller; and
at least one steering actuator operatively coupled to the at least one steerable wheel and to the controller,
logic configured to command the at least one steering actuator to turn the at least one steerable wheel based on a speed differential between the at least two driven wheels and data provided by the steering attitude sensor.

US Pat. No. 10,890,164

SYSTEMS AND METHODS FOR REMOTELY MANAGING WIND POWER GENERATION

1. A system comprising:a first wind turbine controller module located at a first wind turbine;
a second wind turbine controller module located at a second wind turbine;
a first local intervention controller (LIC) module to couple to the first wind turbine controller module;
a second LIC module to couple to the second wind turbine controller module;
a supervisory control and data acquisition (SCADA) control system to couple to: (a)(i) the first and second wind turbine controller modules, and (a)(ii) the first and second LIC modules;
an LIC monitoring and communications (LIC M/C) module to couple to the first and second LIC modules and to the SCADA;
wherein the first LIC module includes at least one non-transitory storage medium comprising instructions stored thereon for causing the first LIC module to: (b)(i) determine whether the first wind turbine controller module is in a lock out mode of operation, the lock out mode of operation being both: (b)(i)(1) configured to prevent restarting the first wind turbine and, (b)(i)(2) based on a manually operated electrical circuit breaker; and (b)(ii) restart the first wind turbine in response to receiving a first command originating from at least one of the LIC M/C module or a remote computing node;
wherein the LIC M/C module is not located at the first wind turbine and the remote computing node is not located at the first wind turbine;
wherein the first wind turbine controller includes at least one non-transitory storage medium comprising instructions stored thereon for causing the first wind turbine controller to restart the first wind turbine in response to receiving a second command originating from a hardware switch located at the first wind turbine;
wherein the hardware switch includes at least one of a manually selectable setting to stop the first wind turbine or a manually selectable start setting to start the first wind turbine;
wherein the at least one non-transitory storage medium of the first LIC module further comprises instructions to cause the first LIC module to restart the first wind turbine in response to the first LIC module communicating a third command to the hardware switch;
wherein the third command equals at least a portion of the second command;
wherein: (a) the first LIC module couples to the first wind turbine controller module via an additional hardware switch, (b) in an on state the additional hardware switch of the first LIC module is configured to communicate the third command to the first wind turbine controller module; (c) in an off state the additional hardware switch of the first LIC module is prevented from communicating the third command to the first wind turbine controller module; (d) the additional hardware switch of the first LIC module is configured to enter the on state in response to power being supplied to the additional hardware switch; (e) the additional hardware switch of the first LIC module is configured to default to the off state in response to power being withdrawn from the additional hardware switch.

US Pat. No. 10,890,163

TRANSPORT FRAME FOR A WIND TURBINE BLADE

1. A transport frame having a longitudinal, lateral and upright extent, and being configured for receiving a tip portion of a longitudinally extending wind turbine blade, said frame being stackable with identical frames, said frame having a tip saddle assembly comprising a saddle with a support surface shaped to receive a blade tip with its chordwise extent lying approximately horizontal, and a clamping mechanism having a hinged clamping arm configured to be operable between a raised, open position and a lowered, closed position;said clamping arm, when open, allowing a blade tip to be lowered into said saddle with its chordwise extent generally horizontal, and when closed, securely restraining said blade tip against upward movement;
said clamping arm extending between a hinge point and a free end;
said tip saddle assembly further including a preventer serving to maintain said clamping arm in said closed position over a blade and which preventer has a middle portion extending between a first end and a second end; and
wherein said tip saddle assembly further includes a fixing for respective said first and second ends of said preventer;
said tip saddle assembly being configured such that said preventer exerts a downward force on said clamping arm when the middle portion thereof passes under tension over a portion of said clamping arm between said hinge point and said free end, and wherein said preventer is anchored at said first and said second ends to said tip saddle assembly.

US Pat. No. 10,890,162

WIND ENERGY, WAVE ENERGY AND TIDAL ENERGY INTEGRATED POWER GENERATION SYSTEM BASED ON MONOPILE FOUNDATION

DALIAN UNIVERSITY OF TECH...

1. A wind energy, wave energy and tidal energy integrated power generation system based on monopile foundation, which is a power generation system integrating wind turbine, oscillating water column wave energy as well as horizontal-axis tidal energy based on monopile foundation, wherein the wind energy, wave energy and tidal energy integrated power generation system based on monopile foundation comprising a monopile-type wind turbine system, an oscillating water column wave energy converter and a horizontal axis tidal energy converter, the oscillating water column wave energy converter is located at mean sea level around the monopile and the horizontal axis tidal energy converter is located below mean sea level underwater;the monopile-type wind turbine system comprises wind turbine, tower, monopile foundation and power transmission system; the wind turbine is connected to the monopile foundation through the tower; the monopile foundation is fixed to seabed; the oscillating water column wave energy converter is fixed onto the monopile foundation through a first sleeve; the horizontal axis tidal energy converter comprises outrigger structure and tidal energy generator; two tidal energy generator are installed at the two ends of outrigger structure, the center of the outrigger structure is connected to the monopile foundation by a second sleeve, by adjusting the plane of the tidal energy converter, the axial direction of the tidal energy generator is set to the direction of the incoming flow;
the oscillating water column wave energy converter comprises a cover body of the wave energy converter, wave inlet, air chamber, and an air turbine generator; the air chamber is located inside of the cover body; the wave inlet is set up at one side of the wave energy converter; the air turbine generator are installed at the air outlets respectively which are at the top of the wave energy converter; when the wind energy, wave energy and tidal energy integrated power generation system based on monopile foundation starts to work, the wind energy, wave energy and tidal energy integrated power generation system is put into the water, under the action of waves, the water enter into the air chamber through the wave inlet to form an oscillating water column that oscillates in vertical direction, the oscillating water column moves up and down so that the air in the air chamber reciprocates through the air outlet at the top of the air chamber, and then drives the air turbine generator to generate electricity.

US Pat. No. 10,890,161

EMBEDDED ELECTRICAL ENERGY PLATFORM

1. A double-shaft micro wind turbine generator array with directly coupled three-dimensional micro turbine heads to enhance an electrical energy output in a solar farm comprising:a double-shaft micro wind turbine generator comprising:
(a) two micro wind turbine heads, one of the two micro wind turbine heads directly coupled at both ends of the double-shaft micro wind generator;
(b) wherein a turbine head blade configuration of the double-shaft micro wind turbine generator are mirror reflection to each other;
(d) wherein each said blade has a tapered shape, which narrows and converges into an apex of the turbine head with a hole at the apex center;
(e) wherein the turbine head blade configuration on the shaft ends of the double-shaft micro wind turbine rotates in the same direction and adds kinetic energy vectors from top and bottom micro wind turbine heads;
(f)
(g) and wherein a solar panel covering the double-shaft micro wind turbine generator forms an air duct allowing wind to pass through the air duct to rotate the two micro turbine heads.

US Pat. No. 10,890,160

CONTROL SYSTEM OF A WIND TURBINE GENERATOR

Wind Power Technology Cen...

1. A control system of a wind turbine generator system, comprising: a wind turbine, a gearbox, an electric generator and a converter,wherein the control system further comprises a supercapacitor energy storage apparatus, wherein the supercapacitor energy storage apparatus comprises a DC-DC converter and a supercapacitor, wherein the converter comprises DC buses, and the supercapacitor is electrically connected to the DC buses via the DC-DC converter,
wherein the control system further comprises: a voltage monitoring module, a controller, and a voltage control module:
the voltage monitoring module is configured to detect a voltage of the supercapacitor;
the controller is configured to determine whether the voltage of the supercapacitor is within an allowable operating range or not, and
the voltage control module is configured to adjust, when the voltage of the supercapacitor is out of the allowable operating range, the voltage of the supercapacitor to be within the allowable operating range,
wherein the controller is further configured to, when determining that the voltage of the supercapacitor is lower than a lower limit of the voltage range, further determine whether a current wind speed meets a heavy-wind criteria or not; and when the current wind speed is determined to meet the heavy-wind criteria the voltage control module is configured to charge the supercapacitor;
when the controller determines that the voltage of the supercapacitor is higher than an upper limit of the voltage range, the controller is configured to further determine whether the current wind speed meets a light-wind criteria or not, and the voltage control module is configured to discharge the supercapacitor when the current wind speed meets the light-wind criteria.

US Pat. No. 10,890,159

DYNAMIC CONTROLLED WIND TURBINE SHUTDOWN

1. A method of controlling shutdown of a wind turbine having a rotor, the rotor comprising one or more wind turbine blades, the method comprising:dynamically determining a rotor speed reference;
obtaining a measure of the rotor speed of the rotor and maintaining a constant rotor speed reference value when the rotor speed of a rotor is determined to be increasing;
obtaining a measure of a fore-aft movement of a wind turbine tower;
determining an error between the rotor speed reference and the rotor speed of the rotor; and
controlling a pitch of one or more of the wind turbine blades based on the determined error and the measured fore-aft movement of the wind turbine tower.

US Pat. No. 10,890,158

SYSTEM AND METHOD FOR INITIALIZING STARTUP OF A WIND TURBINE

General Electric Company,...

1. A method for initializing startup of a wind turbine, the method comprising:measuring, via one or more sensors, a first wind condition at the wind turbine at a first moment in time when one or more rotor blades of the wind turbine are in a feathered position;
measuring, via the one or more sensors, a second wind condition at the wind turbine at a subsequent, second moment in time when the one or more rotor blades of the wind turbine are in an intermediate position between the feathered position and a power position;
estimating, via one or more processors, an acceleration parameter of the wind turbine as a function of the first wind condition and the second wind condition;
initializing, via the one or more processors, a first startup process for the wind turbine when the acceleration parameter is at or below a predetermined threshold; and
initializing, via the one or more processors, a second startup process for the wind turbine when the acceleration parameter exceeds the predetermined threshold, the second startup process being faster than the first startup process, wherein the acceleration parameter being above the predetermined threshold indicates that wind conditions are favorable for the faster second startup process, the first and second startup processes each comprising, at least, increasing a speed set point of a rotor or a generator of the wind turbine.

US Pat. No. 10,890,157

METHOD AND SYSTEM FOR SERVICING WIND TURBINE ROTOR

General Electric Company,...

1. A method to enable servicing of a rotor of a wind turbine, the rotor having a rotatable hub with a plurality of rotor blades mounted to the hub, the method comprising:positioning a first rotor blade of the plurality of rotor blades of the rotor in a six o'clock position;
installing a rotor blade sling on the rotor by placing loops formed via at least one strap of the rotor blade sling over respective rabbit-eared rotor blades of the plurality of rotor blades at a ten o'clock position and a two o'clock position, respectively, the rotor blade sling further having one or more support straps secured to the at least one strap that extend downward from the hub and one or more rigid bars extending from the hub and out away from the hub, the one or more rigid bars coupled to the at least one strap and the one or more support straps, the one or more support straps supporting the first rotor blade in a six o'clock position; and
coupling the first rotor blade to the one or more support straps of the rotor blade sling.

US Pat. No. 10,890,156

METHOD FOR DETERMINING A NEED FOR CHANGING A SPARK PLUG

BorgWarner Ludwigsburg Gm...

1. A method for determining a need for changing a spark plug of a combustion engine, comprising:monitoring a current flowing through the spark plug;
analyzing the current and thereby determining a time interval indicative of the elapsed time between application of a voltage to the spark plug and formation of an arc discharge between electrodes of the spark plug;
determining a start of the time interval wherein the start of the time interval is defined as when a primary voltage is switched off for a transformer which provides a secondary voltage to the spark plug;
determining an end of the time interval wherein the end of the time interval is defined by a maximum of the first time derivative of the current after the first time derivative of the current surpasses the predefined current end threshold value wherein the maximum of the first time derivative of the current is found by:
finding an initial maximum of the first time derivative of the current occurring after the surpassing of the predefined current end threshold value;
determining if the first time derivative of the current surpasses a second threshold value and, if the second threshold value is surpassed, finding a second maximum of the first time derivative of the current; and
if the second threshold value is surpassed, setting the end of the time interval as the time when the second maximum of the first time derivative occurred, and, if the second threshold value is not surpassed, setting the end of the time interval as the time when the initial maximum of the first time derivative of the current occurred; and
creating a signal indicating a need to change the spark plug if the duration of the determined time interval is larger than a predefined threshold value.

US Pat. No. 10,890,155

CONTROL METHOD AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

NISSAN MOTOR CO., LTD., ...

1. A control device for internal combustion engine, comprising:a fuel injection valve configured to directly inject fuel into a combustion chamber;
an ignition plug configured to spark-ignite an air-fuel mixture formed in the combustion chamber;
a driving device configured to drive the ignition plug; and
a control unit configured to control the fuel injection valve and the driving device;
the control unit:
setting a part of a low-medium revolution speed/low-medium load region of the internal combustion engine as a lean combustion region;
forming a stratified air-fuel mixture in a combustion chamber and performing stratified combustion by injecting the fuel at least once each time between an intake stroke and a first half of a compression stroke and in a second half of the compression stroke in an operating region of the lean combustion region where a load is relatively high;
forming a homogeneous air-fuel mixture in the combustion chamber and performing homogeneous combustion by injecting the fuel at least once between the intake stroke and the first half of the compression stroke in an operating region of the lean combustion region where the load is relatively low;
making a discharge waveform of the ignition plug during the stratified combustion and a discharge waveform of the ignition plug during the homogeneous combustion different;
starting spark ignition by flowing a relatively large discharge current into the ignition plug when flow energy around the ignition plug is increased by energy of a fuel spray injected in the second half of the compression stroke and, thereafter, making the discharge current relatively smaller and discharging the discharge current for a predetermined period during the stratified combustion; and
the relatively large discharge current at the time of starting spark ignition during stratified charge combustion is larger than a discharge current at the time of homogeneous charge combustion.

US Pat. No. 10,890,154

ELECTROMAGNETIC SWITCH DEVICE FOR STARTER

Mitsubishi Electric Corpo...

1. An electromagnetic switch device for a starter, comprising:a pair of main fixed contacts forming a main electric circuit for a motor;
a pair of starting circuit contacts forming a starting circuit for the motor;
a main movable contact which is movably located between the pair of main fixed contacts and the pair of starting circuit contacts, which opens and closes the main electric circuit by opening and closing the pair of main fixed contacts, and which opens and closes the starting circuit by opening and closing the pair of starting circuit contacts;
a starting resistor which forms the starting circuit and through which a starting current for the motor flows;
an attraction coil generating a magnetic field for moving a main movable core toward the pair of main fixed contacts;
a main fixed core forming a magnetic circuit for generating magnetic force by the magnetic field of the attraction coil;
a terminal block to which the pair of main fixed contacts are fixed and which includes a contact chamber that is a space in which the main movable contact is movable;
an A connector which forms the starting circuit, which is connected to the starting resistor, and which has an end at which one of the pair of starting circuit contacts is located;
a B connector which forms the starting circuit, which is connected to one of the pair of main fixed contacts, and which has an end at which one of the pair of starting circuit contacts is located;
an insulating member electrically insulating the A connector and the B connector from the main fixed core; and
an elastic member sealing the contact chamber, wherein
the A connector and the B connector are held between the terminal block and the main fixed core with the insulating member and the elastic member interposed therebetween.

US Pat. No. 10,890,153

VALVE, IN PARTICULAR A SUCTION VALVE, IN A HIGH-PRESSURE PUMP OF A FUEL INJECTION SYSTEM

Robert Bosch GmbH, Stutt...

1. A valve comprising a valve element (14) configured to move between an open position and a closed position, and a magnet armature (10), which is in mechanical contact with the valve element (14) in an axial direction and which is in contact with a first compression spring (4) on a side facing away from the valve element (14), and wherein the magnet armature (10) is configured to be moved axially by an electromagnetic actuation and, in a starting position, is supported on a valve body (40) via a stop plate (20), characterized in that the stop plate (20) is held in contact with the valve body (40) in the axial direction by a securing element (8), wherein the securing element (8) contacts the valve body (40) and the stop plate (20) and is radially inward from the valve body (40) and the stop plate (20).

US Pat. No. 10,890,152

FUEL INJECTION DEVICE

DENSO CORPORATION, Kariy...

1. A fuel injection device, comprisinga nozzle part including a nozzle cylinder portion internally forming a fuel passage, a nozzle bottom portion closing one end of the nozzle cylinder portion, and a plurality of injection holes that connect between a surface of the nozzle bottom portion on a side close to the nozzle cylinder portion and a surface of the nozzle bottom portion on a side opposite to the nozzle cylinder portion, and inject fuel in the fuel passage, wherein
each of the injection holes includes an inlet opening formed in the surface of the nozzle bottom portion on the side close to the nozzle cylinder portion, an outlet opening formed in the nozzle bottom portion on the side opposite to the nozzle cylinder portion, and an injection hole inner wall that is connected to the inlet opening and the outlet opening and has a tapered shape so as to be gradually away from a central axis as going from the inlet opening toward the outlet opening, and
among all combinations of two of the injection holes, in a combination in which when the injection holes are offset such that central axes of the injection holes are coincident with each other in the inlet openings, an inter-injection hole angle formed by the central axes is minimized, the inter-injection hole angle between the two injection holes is represented as ?amin[deg], taper angles, which are formed by respective contours of the injection hole inner walls in cross sections along virtual planes including the central axes of the two injection holes that allow the inter-injection hole angle to be minimized, are represented as ?a1 and ?a2[deg], and when fuel is injected from the injection holes, average pressure of the fuel in the fuel passage is represented as P [Mpa], and the injection holes are formed so as to satisfy the following relationship:
?amin??a1+?a2+0.5×P0.6, wherein
the inlet opening is located on a concentric circle, and
the fuel is gasoline.

US Pat. No. 10,890,151

HIGH-PRESSURE FUEL PUMP

Hitachi Automotive System...

1. A high-pressure fuel pump, comprising:a pump body which is formed with a pressing chamber; and
a cylinder which is inserted in a hole formed in the pump body, wherein
the cylinder is provided with a convex portion on an outside in a radial direction distal to the pressing chamber,
the convex portion is press-fitted into the hole, and
the cylinder is formed with a clearance in the radial direction with respect to the hole of the pump body, the clearance spanning only from a region from an upper end of the convex portion to an upper end of the cylinder.

US Pat. No. 10,890,150

FUEL INJECTION VALVE

1. A slurry fuel injector valve, comprising:a fuel outlet valve through which slurry fuel is able to exit the slurry fuel injector valve towards a combustion chamber of an engine, the fuel outlet valve comprising a needle valve having a bore, a needle fuel chamber, and a valve needle that is movable in the bore to protrude from within the bore into the needle fuel chamber to a variable extent;
a pump cavity;
a pump element that divides the pump cavity into a pump chamber and an actuation chamber;
a fuel conduit through which slurry fuel is flowable from the pump chamber to the fuel outlet valve; and
an actuation fluid conduit through which actuation fluid is flowable from the actuation chamber to the fuel outlet valve;
wherein the actuation fluid conduit opens into the bore at an actuation fluid conduit outlet, whereby actuation fluid is expellable from the actuation fluid conduit and into contact with one or both of the valve needle and the bore so that the actuation fluid is driven between the valve needle and the bore into the needle fuel chamber.

US Pat. No. 10,890,149

FUEL SUPPLY VALVE FOR A SLURRY FUEL INJECTOR VALVE

1. A fuel supply valve for a slurry fuel injector valve, the fuel supply valve comprising:a fuel inlet for fluid communication with a slurry fuel reservoir;
a fuel outlet for fluid communication with a nozzle of the fuel injector valve;
a pump chamber port for fluid communication with a pump chamber of the fuel injector valve;
a valve gate moveable between a first position, at which the fuel inlet is in fluid communication along a first slurry fuel flow path with the pump chamber port, and a second position, at which the fuel outlet is in fluid communication along a second slurry fuel flow path with the pump chamber port; and
a valve actuation liquid chamber;
wherein the valve gate is operable with a valve actuation liquid from an engine;
wherein the valve actuation liquid is receivable into the valve actuation liquid chamber to exert a force on the valve gate to drive the valve gate between the first and second positions; and
wherein the valve gate blocks a flow path between the valve actuation liquid chamber and the pump chamber port so that the valve actuation liquid chamber is isolated from the pump chamber port.

US Pat. No. 10,890,148

FUEL PUMP FOR AN INTERNAL COMBUSTION ENGINE

MARELLI EUROPE S.p.A., C...

1. A fuel pump for an internal combustion engine, wherein the fuel pump comprises:an auxiliary tank, which is designed to receive a fuel flow from a low-pressure fuel pump;
a pumping assembly, which is housed inside the auxiliary tank and draws fuel from the auxiliary tank through a horizontal suction duct that is completely arranged in a lower portion of the auxiliary tank;
a degasification duct, which originates in a ceiling of the auxiliary tank; and at least one horizontal Venturi choke, which is arranged along the horizontal suction duct;
wherein the degasification duct leads to the middle of the Venturi choke;
wherein the Venturi choke comprises a progressive and local reduction of the flowing section of the suction duct and thus is arranged in the lower portion of the auxiliary tank; and
wherein the degasification duct has a vertical end segment leading to the middle of the Venturi choke.

US Pat. No. 10,890,147

FLOW CONTROL DEVICE

HITACHI AUTOMOTIVE SYSTEM...

1. A flow control device including a first component having a first surface and a second component having an opposing second surface facing the first surface of the first component, comprising:an abutment at which the first surface of the first component and the opposing second surface of the second component mutually contact each other; and
a weld portion formed along the abutment,
an air gap formed by the weld portion, the first component, and the second component,
wherein a welding direction tip end portion of the weld portion is positioned on a welding direction side with respect to the welding direction tip end portion of the abutment; and
wherein a central portion in a direction orthogonal to a welding direction of the weld portion is positioned on an abutting direction side with respect to the abutment.

US Pat. No. 10,890,146

FUEL SUPPLY APPARATUS

KYOSAN DENKI CO., LTD., ...

1. A fuel supply apparatus that supplies fuel from a fuel tank in a vehicle, the fuel supply apparatus comprising:a fuel pump transversely arranged inside the fuel tank to discharge fuel sucked from a suction port;
a filter element that defines an inner space communicated with the suction port inside the fuel tank to filter the fuel passing toward the inner space;
a pressure regulating valve configured to regulate a pressure of fuel discharged from the fuel pump; and
a passage element that defines an inner passage inside the fuel tank to introduce the fuel from the inner space into the suction port through the inner passage, wherein
the suction port is located to be deviated toward one end of the filter element in a specific lateral direction which is parallel to a tank lid,
the inner passage is communicated with the inner space,
the inner passage extends from the suction port toward a center of the filter element in the specific lateral direction,
the pressure regulating valve is located adjacent to a discharge port directly connected to the fuel pump, and
the fuel pump is arranged such that a longitudinal direction of the fuel pump is coincident with the specific lateral direction.

US Pat. No. 10,890,145

PULSATIONS DAMPENING DEVICE

AKWEL, Champfromier (FR)...

1. A device for dampening pulsations of a fluid, the device comprising:a case which comprises an upper portion and a lower portion and at least two orifices for connecting the device so that the two orifices delimit a flow path of the fluid through the case;
a diaphragm elastically deformable between a rest position and a stressed position and arranged inside the case so that the diaphragm delimits, together with the lower portion, a fluid-tight chamber,
wherein the diaphragm has, in the rest position, a general shape of revolution around a main axis of the device cambered towards an outside of the chamber and is provided with a peripheral foot and an apex; and
wherein a profile of the diaphragm has, according to an axial section of the diaphragm from the peripheral foot to the apex, a main portion curved towards the outside of the chamber with a first radius of curvature, at least one undulation protruding towards an inside of the chamber in the rest position to form a zone of preferential deformation towards the inside of the chamber in the rest position of the diaphragm and a central secondary portion having a second radius of curvature smaller than the first radius of curvature of the main portion, said undulation delimiting at least two separate and coaxial portions, each being associated to a pulsations dampening frequencies spectrum.

US Pat. No. 10,890,144

FUEL CONTROL VALVE ASSEMBLY

Turn and Bank Holdings, L...

1. A fuel mixture control assembly comprising:a shaft;
a bushing;
a roll pin;
a stop bracket adapted to be secured adjacent one end of the shaft;
a spring arranged over a portion of the shaft;
a spring retainer adapted to retain a first end of the spring opposite the stop bracket;
a retainer assembly opposed to the bushing; and
a bearing assembly arranged substantially between the spring retainer and the retainer assembly.

US Pat. No. 10,890,143

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A controller for an internal combustion engine that includesa three-way catalyst that is arranged in an exhaust passage and purifies exhaust gas,
a particulate filter that is arranged in a section of the exhaust passage at a downstream side of the three-way catalyst to trap particulate matter contained in the exhaust gas,
an exhaust gas recirculation passage that extends from a section of the exhaust passage at an upstream side of the particulate filter and communicates with an intake passage to recirculate the exhaust gas to the intake passage, the exhaust gas recirculation passage being connected to a section of the intake passage at the upstream side of a throttle valve that is provided in the intake passage, and
an exhaust gas recirculation valve that opens and closes a flow path of the exhaust gas recirculation passage,
the internal combustion engine being configured to burn, in a cylinder, an air-fuel mixture containing fuel injected from a fuel injection valve by spark discharge of an ignition device,
wherein the controller is configured to execute a fuel introduction process while combustion in the cylinder is stopped under a situation in which a crankshaft of the internal combustion engine is rotating,
the fuel introduction process causes fuel to be injected from the fuel injection valve and causes the fuel to flow out unburned from inside the cylinder to the exhaust passage,
the controller includes a recirculation valve controlling section that controls opening and closing of the exhaust gas recirculation valve,
an opening degree of the exhaust gas recirculation valve is a preliminary opening degree at a point in time when switching from a state in which an execution condition of the fuel introduction process is not satisfied to a state in which the execution condition of the fuel introduction process is satisfied, and
the recirculation valve controlling section is configured to cause the opening degree of the exhaust gas recirculation valve to be smaller than the preliminary opening degree during execution of the fuel introduction process so as to restrict returning of the fuel that has been introduced into the exhaust passage from inside the cylinder and the gas that has been heated in the three-way catalyst to the intake passage via the exhaust gas recirculation passage.

US Pat. No. 10,890,142

DEVICE FOR CONTROLLING THE AMOUNT OF FLUID FED TO THE INTAKE OF A SUPERCHARGED INTERNAL-COMBUSTION ENGINE EQUIPPED WITH AN EXHAUST GAS RECIRCULATION CIRCUIT AND METHOD USING SAME

IFP Energies nouvelles, ...

13. A device for controlling air fed to an internal-combustion engine, the device comprising:a turbocharger including:
a compressor including an intake and an outlet, and
a turbine including an inlet and an outlet;
a delivery line connected to the intake of the compressor;
an expanded exhaust gas line connected to the outlet of the turbine;
a transfer line for carrying a compressed fluid from the outlet of the compressor to the inlet of the turbine, the transfer line comprising a proportional valve and a non-return valve, the non-return valve preventing exhaust gas circulation from an exhaust line connected to the inlet of the turbine to a compressed fluid line connected to the outlet of the compressor;
an exhaust gas recirculation line, the exhaust gas recirculation line being between the outlet of the turbine and the intake of the compressor, the exhaust gas recirculation line comprising a proportional valve; and
a catalyst positioned between the outlet of the turbine and the exhaust gas recirculation line.

US Pat. No. 10,890,141

WATER INJECTION DEVICE, IN PARTICULAR OF AN INTERNAL COMBUSTION ENGINE, AND METHOD FOR OPERATING SUCH A WATER INJECTION DEVICE

Robert Bosch GmbH, Stutt...

1. A water injection device comprising:a water tank configured to store water;
a conveying element connected to the water tank and configured to convey water;
at least one water injector connected to the conveying element and configured to inject water; and
a water quality and water level detection device configured to detect a quality of water in the water tank and a fill level of the water tank,
wherein the water quality and water level detection device includes a first ultrasonic sensor, which is configured to determine a density of the water to detect the water quality.

US Pat. No. 10,890,140

CARBURETOR FUEL CONTROL

Walbro LLC, Tucson, AZ (...

1. A carburetor fuel flow control device, for a carburetor having a mixing passage, a valve cavity, a fuel supply passage opening into the cavity and a fuel outlet from the cavity, the device comprising:an annular body of a somewhat flexible material having a sidewall and an axially elongate central passage through the body, the body adjacent each end having a circumferentially continuously exterior surface engaging a complementary portion of the valve cavity, an inlet through the sidewall communicating the supply passage with the central passage, and an outlet downstream of the inlet; and
a needle valve having a shank received in the cavity and a cylindrical metering portion slidably and rotatably received with at least a close fit in the central passage and axially movable to at least partially block the inlet to reduce the effective flow area of the inlet into the body passage.

US Pat. No. 10,890,139

APPARATUS AND METHOD OF WASTE ENERGY RECOVERY FROM A SOURCE OF HEATED FLUID

1. A portable heat recovery system to recovery heat from an internal combustion engine of a vehicle having a cooling system with a water pump for cooling fluid of the internal combustion engine, comprising:an enclosure having apertures for airflow;
a heater core mounted in the enclosure;
a blower mounted in the enclosure and configured to blow air through the heater core and the apertures;
a first pair of fluid coupling ends fluidly coupled to the heater core to circulate fluid therethrough and retain the cooling fluid therein when not connected to complementary ends;
a cabling assembly including:
a pair of fluid lines having first and second ends;
a second pair of fluid coupling ends connected to the first ends of the pair of fluid lines and configured to form a quick disconnect fluid transfer coupling with the first pair of fluid coupling ends; a third pair of fluid coupling ends connected to the second ends of the pair of fluid lines and configured to form a quick disconnect fluid transfer coupling, wherein the second pair of fluid coupling ends and the third pair of fluid coupling ends are configured to retain the cooling fluid in the pair of fluid lines when the second pair of fluid coupling ends and the third pair of fluid coupling ends are disconnected from each other;
a pair of electrical conductors having first conductor ends at the first ends of the pair of fluid lines and second conductor ends at the second ends of the pair of fluid lines, the first conductor ends electrically connected to the blower;
an exterior sheath securing the pair of fluid lines and electrical conductors therein so as to be carried as a single unit;
one or more fluid pumps configured for mounting to the vehicle to travel therewith, the one or more fluid pumps being separate from the water pump, the one or more fluid pumps fluidly connected to the pair of fluid lines and to the heater core and configured to circulate the cooling fluid therethrough;
a coupling assembly configured for mounting to the vehicle to travel therewith, the coupling assembly including:
a second pair of fluid lines configured to be connected to the cooling system to receive the cooling fluid, the second pair of fluid lines having first cooling system ends configured to be connected to the cooling system to receive the cooling fluid and second cooling system ends opposite the first cooling system ends;
a fourth pair of fluid coupling ends fluidly and removably connected to the third pair of fluid coupling ends; and
one or more valves fluidly coupled to the second cooling system ends, the one or more valves being fluidly connected to the fourth pair of fluid coupling ends between the second cooling system ends and the fourth pair of fluid coupling ends, the one or more valves being selectively operable to stop flow of the cooling fluid through the fourth pair of fluid coupling ends;
a temperature sensor operably connected to the cooling fluid flowing through the heater core and configured to provide an output indicative of temperature of the cooling fluid;
a housing mountable to the vehicle to travel with the vehicle; and
a control device disposed in the housing and operably connected to the one or more valves and configured to receive an input indicative of a leak in the flow of the cooling fluid to the heater core and operate the one or more valves to stop the flow of the cooling fluid through the fourth pair of fluid coupling ends based on the input, the control device being connected to the temperature sensor to receive the output indicative of temperature, the control device being configured to operate the one or more fluid pumps based on the output indicative of temperature, and the control device being further configured to operate the one or more fluid pumps when the water pump is not operating to circulate the cooling fluid and control the flow of the cooling fluid from the cooling system through the heater core.

US Pat. No. 10,890,138

CLOSED CYCLE REGENERATIVE HEAT ENGINES

Stirling Works Global Ltd...

1. A closed cycle regenerative heat engine comprising:a housing defining a chamber;
a resiliently deformable displacer housed in said chamber;
a shaft connected with said resiliently deformable displacer; and
a movable member housed in said chamber,
wherein said resiliently deformable displacer comprises an elongate resilient strip that has a first end connected with said shaft, a second end connected with said housing and winds around said shaft;
wherein said resiliently deformable displacer is deformable in response to movement of said shaft to displace a working fluid between respective heating and cooling locations in said chamber at which heat is input to said working fluid and said working fluid is cooled, and
said movable member is in sealing engagement with said housing and movable in response to pressure changes of said working fluid caused by said heating and cooling of said working fluid to provide a mechanical power output.

US Pat. No. 10,890,137

INTERNAL COMBUSTION ENGINE

HONDA MOTOR CO., LTD., T...

1. An internal combustion engine comprising:a crankcase that defines a crank chamber;
a crankshaft that is rotatably supported on the crankcase via a pair of bearings and has a crank housed in the crank chamber;
a to-be-detected body that is housed in the crank chamber and is supported on the crankshaft; and
a detection sensor that is made to face a trajectory of the to-be-detected body and detects movement of the to-be-detected body to generate a pulse signal,
wherein the to-be-detected body is disposed on an inner side of the bearing,
wherein the bearing has an outer race member that is fixed to the crankcase, and an inner race member that is joined to the crankshaft and rotates relative to the outer race member, and
wherein the to-be-detected body is disposed between the inner race member and the crank,
wherein a locking mechanism is formed between the to-be-detected body and the crank, the locking mechanism preventing relative rotation between the to-be-detected body and the crankshaft around a rotational axis of the crankshaft.

US Pat. No. 10,890,136

PISTON, IN PARTICULAR FOR AN HPDI DIESEL/GAS INTERNAL COMBUSTION ENGINE

1. A piston for an internal combustion engine, comprising:a piston recess;
a piston crown face which is provided so as to extend annularly about a centre axis (M) of the piston; and
a plurality of piston stages which are provided so as to extend annularly about the centre axis (M) and which are arranged between the piston crown face and the piston recess,
wherein the plurality of piston stages have a radially inner piston stage and a radially outer piston stage;
the radially inner piston stage has a stage base, a stage wall and a transition region between the stage base of the radially inner piston stage and the stage wall of the radially inner piston stage;
the stage base of the radially inner piston stage is inclined with respect to a notional first plane, which intersects with the centre axis (M) at a right angle;
the transition region of the radially inner piston stage is constructed with a predetermined radius (R4);
the stage wall of the radially inner piston stage is inclined with respect to the centre axis (M);
the stage base of the radially inner piston stage and the stage wall of the radially inner piston stage are constructed in a planar manner;
the stage base of the radially inner piston stage and the stage wall of the radially inner piston stage are constructed so as to rise in a radial direction away from the centre axis (M);
the radially outer piston stage has a stage base, a stage wall and a transition region between the stage base of the radially outer piston stage and the stage wall of the radially outer piston stage;
the stage base of the radially outer piston stage is inclined with respect to a notional second plane which intersects with the centre axis (M) at a right angle;
the transition region of the radially outer piston stage is constructed with a predetermined radius (R6);
the stage wall of the radially outer piston stage extends parallel with the centre axis (M);
the stage base of the radially outer piston stage and the stage wall of the radially outer piston stage are constructed in a planar manner; and
the stage base of the radially outer piston stage is constructed so as to rise in a radial direction away from the centre axis.

US Pat. No. 10,890,135

PISTON FOR INTERNAL COMBUSTION ENGINE

SUZUKI MOTOR CORPORATION,...

1. A piston for an internal combustion engine having two pin bosses provided on a lower surface of a piston head so as to face each other at an interval, a side wall provided on the lower surface of the piston head and disposed on both sides of each of the pin bosses, and a skirt provided continuing to the side wall, a pin hole into which a piston pin can be inserted being formed in each of the two pin bosses, whereininner walls of the side walls and the skirt are continuous with each other, the inner walls are disposed by facing each other on both sides of a pin boss axis with the pin boss axis connecting centers of the two pin holes between them;
a horizontal section of each of the inner walls is formed along a specific oval shape;
two through holes are provided in a connecting portion provided between the piston head and the side wall, the two through holes are disposed above an upper end of the skirt at an interval from each other, and the interval is set the same as a width of a lower end of the skirt; and
the two through holes are arranged on respective perpendicular imaginary lines extending from the skirt lower end in the direction perpendicular to the axis of the piston pin.

US Pat. No. 10,890,134

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE INCLUDING PORT INJECTION VALVE THAT INJECTS FUEL INTO INTAKE PASSAGE

TOYOTA JIDOSHA KABUSHIKI ...

1. A controller for an internal combustion engine, the internal combustion engine comprising a port injection valve that injects fuel into an intake passage, the controller being configured to execute:a base injection amount calculation process for calculating a base injection amount in accordance with an amount of fresh air filling a combustion chamber of the internal combustion engine;
an increasing correction process for increasing the base injection amount over a predetermined period after the internal combustion engine is started and gradually decreasing an increase correction ratio of the base injection amount; and
a fuel injection process for selecting and executing one of two processes, a multiple injection process and a single injection process, in order to inject the increased base injection amount of fuel, wherein
the multiple injection process is to sequentially execute an intake air synchronous injection and an intake air non-synchronous injection by operating the port injection valve in order from the intake air non-synchronous injection to the intake air synchronous injection,
the single injection process is to inject the increased base injection amount of fuel by operating the port injection valve through the intake air non-synchronous injection,
the intake air synchronous injection is to inject fuel in synchronization with an opening period of an intake valve, and
the intake air non-synchronous injection is to inject fuel at a more advanced timing than a timing of the intake air synchronous injection,
wherein the increasing correction process includes a differentiation process for setting the increase correction ratio to be a smaller value in the multiple injection process than in the single injection process.

US Pat. No. 10,890,133

MAGNETIC VALVE RECOIL DEVICE

1. A magnetic valve recoil device (42) for a valve-type ignition pre-chamber (1) for an internal combustion engine (2), said engine comprising a cylinder head (3) sitting on top of a cylinder (4) in order to form, together with a piston (31), a combustion chamber (5) into which a primary charge (30) may be introduced, said cylinder head (3) receiving a stratification cavity (6) to which, on the one hand, a stratification injector (8), which can inject an initiator charge (9), and, on the other hand, ignition means (11) lead, said cavity (6) being connected by a stratification pipe (7) to the combustion chamber (5) while a stratification valve (13) can either close said pipe (7) and isolate the stratification cavity (6) from the combustion chamber (5), with a cavity-side surface (14) of said valve (13) then resting on a valve closing seat (18) by means of a cavity-side valve bearing surface (19), or form, together with said pipe (7), a torch ignition pre-chamber (23) that causes the stratification cavity (6) to communicate with the combustion chamber (5) by means of at least one gas ejection orifice (24) that said pre-chamber (23) includes, with a chamber-side surface (15) of said valve (13) resting in this case on a valve opening seat (20) by means of a chamber-side valve bearing surface (21), characterized in that said device comprises:At least one magnetic material (43) constituting in whole or in part the stratification valve (13) and the stratification pipe (7);
At least one source of a magnetic field (44) the magnetic flux (54) of which passes through the stratification valve (13) and the stratification pipe (7) so as to magnetize said valve (13) and said pipe (7).

US Pat. No. 10,890,132

INTERNAL COMBUSTION ENGINE CONTROL DEVICE

Honda Motor Co., Ltd., T...

1. An internal combustion engine control device applied to an internal combustion engine, the internal combustion engine control device comprising:an injector-temperature calculation unit that calculates an injector temperature based on a coil resistance value of an injector;
an internal-combustion-engine temperature calculation unit that calculates a temperature of the internal combustion engine based on the injector temperature; and
an operating-state control unit that controls an operating state of the internal combustion engine based on the temperature of the internal combustion engine,
wherein the internal combustion engine control device further comprises an integration-time calculation unit that calculates a driving time of the injector and calculates a fuel-injection integration time obtained by integrating the driving time in a predetermined period, and
the internal-combustion-engine temperature calculation unit calculates an injector cooling amount based on the fuel-injection integration time, and calculates the temperature of the internal combustion engine based on a corrected injector temperature calculated by correcting the injector temperature with the injector cooling amount, or calculates the temperature of the internal combustion engine by correcting a base temperature of the internal combustion engine, calculated on the basis of the injector temperature, with the injector cooling amount.

US Pat. No. 10,890,131

ENGINE SIMULATION SYSTEM AND METHOD

MTU FRIEDRICHSHAFEN GMBH,...

9. A method for replacing an original engine in an existing system of a piece of equipment, comprising the steps of:removing the original engine from the piece of equipment without removing an engine controller of the original engine;
providing a new engine having an engine controller;
connecting a simulator module between the engine controller of the new engine and the engine controller of the original engine; and,
integrating the new engine into the existing system by simulating via the simulator module that the original engine is still in the existing system.

US Pat. No. 10,890,130

METHOD FOR STARTING A HYBRID VEHICLE

JAGUAR LAND ROVER LIMITED...

1. A method for starting a hybrid vehicle comprising an internal combustion engine, an electric motor coupled to a driveline of the hybrid vehicle, a traction battery configured to supply energy to the electric motor, and an open clutch decoupling the internal combustion engine from the driveline, the method comprising:determining whether a temperature-dependent parameter associated with the traction battery satisfies a first condition;
responsive to the temperature-dependent parameter associated with the traction battery satisfying the first condition:
starting the electric motor;
monitoring satisfaction of a second condition while internal combustion engine speed is greater than zero; and
attempting to close the clutch to couple the internal combustion engine to the driveline if the second condition is satisfied; and
responsive to the temperature-dependent parameter associated with the traction battery not satisfying the first condition:
starting the electric motor;
monitoring satisfaction of a different second condition while internal combustion engine speed is greater than zero; and
attempting to close the clutch to couple the internal combustion engine to the driveline if the different second condition is satisfied, wherein the second condition is easier to satisfy than the different second condition.

US Pat. No. 10,890,129

HIGH PRESSURE LOOP EXHAUST GAS RECIRCULATION AND TWIN SCROLL TURBOCHARGER FLOW CONTROL

FCA US LLC, Auburn Hills...

1. An exhaust flow control system for an engine of a vehicle, the engine having a twin scroll turbocharger and a high pressure exhaust gas recirculation (HPEGR) system, the exhaust flow control system comprising:a housing defining first and second passages that are fluidly connected to first and second scrolls of the twin scroll turbocharger and to the HPEGR system; and
a flow control system comprising:
a poppet valve configured to (i) in an open position, fluidly connect the first and second scrolls to each other and to the HPEGR system via the first and second passages and (ii) in a closed position, fluidly disconnect the first and second scrolls from each other and from the HPEGR system; and
a controller configured to command the poppet valve to one of the open and closed positions based on one or more operating parameters of the engine,
thereby allowing the twin scroll turbocharger to operate in both a twin scroll mode and a mono scroll mode depending on the one or more engine operating parameters while also allowing for HPEGR control with minimal additional system volume.

US Pat. No. 10,890,128

PCSV CONTROL METHOD FOR PREVENTING MALFUNCTION

HYUNDAI MOTOR COMPANY, S...

1. A Purge Control Solenoid Valve (PCSV) control method for preventing malfunction, the method comprising:starting-up, by a starting motor, a rotation of a crankshaft of an engine,
opening the PCSV by a duty-control to eliminate foreign substances stained on the PCSV, and
stopping the engine and controlling the PCSV to be opened and closed with a cycle via the duty-control, and
wherein in stopping the engine, the PCSV is controlled to repeat the opening and closing with the cycle so as to eliminate a negative pressure between the PCSV and an intake pipe of the engine.

US Pat. No. 10,890,127

PURGE CONCENTRATION CALCULATION CONTROL METHOD IN ACTIVE PURGE SYSTEM AND FUEL AMOUNT CONTROL METHOD USING THE SAME

HYUNDAI MOTOR COMPANY, S...

1. A purge concentration calculation control method in an active purge system for purging a fuel evaporation gas (purge gas) by using a purge pump, the method comprising:calculating, by a controller, a purge concentration of the purge gas based on revolutions per minute (RPM) of the purge pump, and a pressure at a rear end of the purge pump;
determining, by the controller, a target purge flow rate of the purge gas based on the calculated purge concentration and a flow rate of the purge gas;
controlling, by the controller, a purge valve based on the target purge flow rate and a purge fuel amount; and
determining, by the controller, the purge concentration of the purge gas flowing into an intake system by using a diffusion/delay model of the purge gas until being discharged by the purge pump and flowing into the intake system of an engine through a purge passage.

US Pat. No. 10,890,126

METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE AND DEVICE FOR CONTROLLING INTERNAL COMBUSTION ENGINE

NISSAN MOTOR CO., LTD., ...

1. A control method for an internal combustion engine includinga supercharger positioned on an upstream side of a first throttle valve arranged to control an intake air amount,
a second throttle valve positioned on the upstream side of the supercharger, and arranged to control an intake pressure on the upstream side of the supercharger,
an EGR passage arranged to recirculate a part of an exhaust gas to a portion between the supercharger and the second throttle valve, and
an EGR valve arranged to adjust an EGR gas flow rate flowing in the EGR passage,
the control method comprising:
setting a target valve opening degree of the first throttle valve in accordance with a load,
sensing a valve opening degree of the second throttle valve,
judging whether or not the valve opening degree of the second throttle valve is an opening degree of the second throttle valve on a closing side of the second throttle valve relative to a predetermined set valve opening degree, and
correcting the valve opening degree of the first throttle valve to an opening degree of the first throttle valve on the closing side of the first throttle valve relative to the target valve opening degree when the valve opening degree of the second throttle valve is judged to be the opening degree of the second throttle valve on the closing side of the second throttle valve relative to the predetermined set valve opening degree,
upon the valve opening degree of the first throttle valve being corrected to the opening degree of the first throttle valve on the closing side of the first throttle valve relative to the target valve opening degree, a passage opening area of the first throttle valve is controlled to be smaller than a passage opening area of the second throttle valve.

US Pat. No. 10,890,125

METHOD FOR ALTERNATE CONTROL OF CVVD MALFUNCTION AND CVVD SYSTEM THEREOF

Hyundai Motor Company, S...

1. A method of an alternate control of a continuously variable valve duration (CVVD) malfunction, the method comprising:a CVVD failsafe control to resolve a calculation error of a cylinder charge amount due to a hardware failure of a CVVD system with the cylinder charge amount determined by one of flow rate alternate, flow rate deviation correction, and valve duration update when the hardware failure is recognized by a CVVD controller, and to apply the cylinder charge amount to secure an air amount for a combustion chamber.

US Pat. No. 10,890,124

INTERNAL COMBUSTION ENGINE CONTROL DEVICE AND METHOD

HITACHI AUTOMOTIVE SYSTEM...

1. An internal combustion engine control device controlling an internal combustion engine that injects fuel into a cylinder and generates combustion by ignition, the internal combustion engine control device comprising a processor, wherein the processor is configured to:calculate a wall surface temperature of the cylinder based on a pressure in the cylinder; and
control combustion of the internal combustion engine based on the calculated wall surface temperature.