US Pat. No. 10,480,588

MULTI-PLATE CLUTCH

GKN Driveline Japan Ltd, ...

1. A multi-plate clutch usable in combination with a driver mechanism capable of applying pressure force in a direction along an axis, comprising:one or more core plates respectively coupled with a first rotary body rotatable about the axis;
one or more reaction plates arranged alternately in the direction along the axis with the core plates and respectively coupled with a second rotary body rotatable about the axis, the reaction plates arranged to receive the pressure force from the driver mechanism to move in the direction along the axis and come into frictional contact with the core plates to brake the first rotary body relative to the second rotary body;
one or more friction members respectively fixed to faces on the respective core plates, the faces on the respective core plates being opposed to the reaction plates, the one or more friction members including a bundle of warp yarns and a bundle of weft yarns woven perpendicularly to each other, the yarns being formed of carbon fibers; and
a plurality of bottomed grooves formed on faces on the respective reaction plates, the faces on the respective reaction plates arranged to come into contact with the one or more friction members,
wherein the bottomed grooves form straight lines parallel with each other over the entirety of the faces on the respective reaction plates to coincide with the one or more friction members.

US Pat. No. 10,480,586

CONSTANT VELOCITY JOINT AND MANUFACTURING METHOD THEREFOR

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

1. A constant velocity joint comprising an outer member including a cup part and a shaft, an inner member inserted into the outer member, and a torque transmitting member configured to carry out transmission of torque and interposed between the outer member and the inner member; whereinthe shaft is made of steel,
the cup part is made of a light alloy in which a bottomed hole is formed,
the cup part has an inner wall on which a groove is formed, the groove receives the torque from the torque transmitting member, and the cup part further comprises a high hardness layer made up from a multilayer structure made of ceramic or cermet as a principal component thereof on an inner surface of the cup part including at least an inner surface of the groove and an inner bottom surface of the bottomed hole, and the high hardness layer is a thermally sprayed layer.

US Pat. No. 10,480,585

REDUNDANT COUPLING ARRANGEMENTS

Goodrich Corporation, Ch...

1. A redundant coupling arrangement, comprising:a first member defining a first axis;
a second member defining a second axis being in operable communication with the first member;
a first torque transmitting arrangement configured to transfer torque between the first member and the second member while allowing at least one of axial displacement between the first member and the second member and angular misalignment of the first axis relative to the second axis; and
a second torque transmitting arrangement configured to transfer torque between the first member and the second member while allowing at least one of axial displacement between the first member and the second member and angular misalignment of the first axis relative to the second axis,
wherein the second torque transmitting arrangement includes a spherical body disposed within a collar, wherein the collar is fixed in rotation relative to one of the first member and the second member, wherein the spherical body is fixed relative to the other of the first member and the second member;
wherein the spherical body has a plurality of external splines distributed circumferentially about a radially outer surface of the spherical body; and
wherein the flexible coupling arrangement has a first operating mode, wherein all torque is transmitted through the first torque transmitting arrangement and there is zero contact in the second torque transmitting arrangement;
a second operating mode, wherein all torque is transmitted through the second torque transmitting arrangement in case of failure of the first torque transmitting arrangement; and
a third operating mode, wherein torque is split between the first torque transmitting arrangement and the second torque transmitting arrangement, the first torque transmitting arrangement being the primary torque transmission mechanism and the second torque transmitting arrangement providing overload protection by engaging (via contact) after a predetermined amount of torque has been applied to the redundant coupling arrangement.

US Pat. No. 10,480,584

COMPACT PLASTIC OLDHAM COUPLER

LEXMARK INTERNATIONAL, IN...

1. An Oldham coupler assembly for transferring rotary power between two shafts, comprising:an input plate and an output plate made of a first material, the input plate having gear teeth about an outer circumference thereof and the output plate having a spline assembly retained therein and centered about an axis of rotation of the output plate, the spline assembly biased outwardly from an outer face of the output plate and being axially slidable;
a drive plate made of a second material and positioned between and mechanically coupled to the input plate and the output plate, the drive plate having a pair of opposed open-ended slots having a first centerline passing through a center of the drive plate and an elongated close-ended center slot having a second centerline passing through the center of the drive plate positioned orthogonal to the first centerline;
a first pair of wheels rotatably fastened to an inner face of the input plate; and,
a second pair of wheels rotatably fastened to an inner face of the output plate, each wheel of the first pair of wheels rotatably engaging with a respective one of the pair of open-ended opposed slots and the second pair of wheels rotatably engaging with the center slot, the first and second pair of wheels being made of the second material and moveably coupling the drive plate to the input and output plates, respectively.

US Pat. No. 10,480,583

VEHICLE WITH TRANSMISSION HAVING A SPLINE CONNECTION

VOLVO CAR CORPORATION, G...

1. A vehicle comprising:an internal combustion engine operable to rotate a crank shaft of said internal combustion engine;
a transmission;
at least one driving wheel rotationally connected to said transmission; and
a damping system arranged between said internal combustion engine and said transmission for dampening irregular motions of said crank shaft, said damping system comprising an output splined portion;
wherein said transmission is arranged for controllably rotationally connecting the output splined portion of said damping system for providing torque from the internal combustion engine to said at least one driving wheel via said transmission, wherein
said output splined portion of said damping system is adapted to mate with a splined portion of a coupling shaft of said transmission for connecting the crank shaft to said transmission via said damping system,
wherein said transmission comprises a torque converter arranged for controllably rotationally connecting the output splined portion of said damping system to said transmission, wherein said splined portion of said coupling shaft is configured to connect said torque converter to said damping system.

US Pat. No. 10,480,582

ROLLER BEARING LUBRICATION SYSTEMS

BELL HELICOPTER TEXTRON I...

1. A rolling element bearing system, comprising:a ball bearing comprising an inner race coupled to an inner shaft (journal) at an outer surface of the inner shaft, an outer race coupled to an outer shaft at an inner surface of the outer shaft, and a roller element disposed between the inner race and the outer race,
wherein the inner race and the outer surface of the inner shaft form a pocket between a portion of the inner race and the outer surface, and the inner race comprises an orifice through the inner race to fluidly connect the pocket and the rolling element, and wherein the inner race comprises an insert protruding from a first end of the inner race to partially close the pocket.

US Pat. No. 10,480,581

ELECTRO-CHEMICAL HARDENING OF BEARING RACEWAYS

SIKORSKY AIRCRAFT CORPORA...

1. A method of making bearings comprising a bearing raceway rotatably housing a plurality of ceramic rolling elements, the method comprising:treating a metallic surface of the bearing raceway with a pulsed electrochemical processing nozzle to transform amorphous oxide into a crystalline structure on the metallic surface electro-chemically and convert the metallic surface into a ceramic like hardness crystalline structure surface.

US Pat. No. 10,480,580

BEARING COMPRISING AN ANGULAR MOVEMENT SENSOR

HUTCHINSON, Paris (FR)

1. Bearing comprising a bearing ring and an inductive angular displacement sensor of said bearing ring, said inductive sensor comprising:a transducer including at least one primary winding suitable for producing a magnetic excitation, and at least one secondary winding including at least one turn, suitable for supplying an electromotive force at the terminals thereof in the presence of said excitation;
a target suitable for moving parallel with the transducer; and
said target being formed from a single conductive metal part and comprising a face with a base wall and one or a plurality of metal studs projecting from this base wall, said target being oriented towards the transducer of the inductive sensor, said studs thereby forming conductive patterns;
wherein said target is fastened firmly to the bearing ring, for which the angular displacement is measured by the transducer, or the target is machined directly in the bearing ring for which the angular displacement is measured by the transducer; and
wherein the conductive patterns are distributed along a zone having a dimension Dtot in a circular direction, said patterns being defined by the overlay of at least a first set of elementary periodic patterns having a period approximately equal to Dtot/N, including N first elementary conductive patterns of a dimension approximately equal to Dtot/2N in said direction, regularly distributed along said zone, and of a second set of elementary periodic patterns having a period approximately equal to Dtot/(N+r), including N+r second elementary patterns of a dimension approximately equal to Dtot/2(N+r) in said direction, regularly distributed along said zone, where N is an integer greater than or equal to 2 and r is a positive integer, different to zero and less than or equal to N?1, wherein the first and second elementary conductive patterns overlap at least partially.

US Pat. No. 10,480,579

BEARING CAGE, RADIAL BEARING ASSEMBLY WITH SUCH A CAGE, IN PARTICULAR FOR A BALANCING SHAFT

Aktiebolaget SKF, Gothen...

1. A bearing cage for rolling element bearings, that is annular and centered on a central axis, the bearing cage comprising:a plurality of circumferentially adjacent pockets dedicated to each receive a rolling element, the bearing cage being split in the circumferential direction along a line of separation so as to define a first side and a second side that are circumferentially separated from each other, the first side and the second side having fixing means to fix the first side and second side to each other, wherein
the fixing means comprises: at least one of the first and second sides comprising at least one projection extending in the circumferential direction towards the other side, the other side comprising a recess configured to receive the projection in the circumferential direction so as to fix the first side and second side to each other in at least a first direction,
a concave portion extends in one direction from a first mounting surface defined on one of the at least one projection and recess, and at least two convex portions are provided on a second mounting surface defined on the other of the at least one projection and recess, the convex portions being circumferentially offset one to each other, the first and second mounting surfaces being mutually-opposable surfaces, and
each of the convex portions is configured to receive the concave portion so as to fix the first side and second side to each other in at least the circumferential direction, the bearing cage having a different diameter when the concave portion of the convex portions is engaged with a different convex portion.

US Pat. No. 10,480,577

ASYMMETRICAL RADIAL BEARING

Halliburton Energy Servic...

1. A drilling apparatus for use in drilling a borehole, wherein the drilling apparatus has a primary axis, the drilling apparatus comprising:a housing;
a shaft within the housing, wherein the shaft is rotatable relative to the housing, wherein the shaft has a shaft axis, and wherein the shaft axis is oblique to the primary axis so that the drilling apparatus has a bend;
a bearing assembly for rotatably supporting the shaft within the housing, wherein the bearing assembly comprises one or more thrust bearings and radial bearings, and wherein at least one radial bearing comprises:
a first radial bearing component defining a first radial bearing surface, wherein at least a portion of the first radial bearing surface is provided by a first radial bearing material; and
a second radial bearing component fixedly connected with the housing and defining a second radial bearing surface, wherein a portion of the second radial bearing surface is provided by a second radial bearing material, wherein the second radial bearing material is a wear resistant material, wherein the first radial bearing component and the second radial bearing component interact to transmit the radial load between the first radial bearing component and the second radial bearing component at a radial load location on the second radial bearing component, wherein the second radial bearing material is provided as the portion of the second radial bearing surface such that the second radial bearing material is concentrated at the radial load location, and wherein the radial load location is defined by the bend in the drilling apparatus.

US Pat. No. 10,480,571

SELF LOCKING BEARING PRELOAD ADJUSTER

The Hive Global, Inc, Ta...

1. A crank set for a bicycle comprising:a. a drive side crank arm comprising one or more chain rings;
b. a non-drive side crank arm;
c. a spindle;
d. an extendable bearing preload adjuster fit onto the non-drive side crank arm, wherein the bearing preload adjuster is slid over an adjuster boss of the bicycle crank arm to couple the bearing preload adjuster with the bicycle crank set and a bottom bracket assembly, the extendable bearing preload adjuster comprising:
i. an adjustment ring;
ii. a movable plunger comprising an external triple-start thread for rotatably coupling with the adjustment ring; and
iii. a detent spring, wherein the detent spring includes a spring detent feature that engages within one of a plurality of adjustment ring detent features,
iv. wherein each of the movable plunger and the detent spring includes a respective at least one anti-rotation feature that engages in an at least one anti-rotation feature of the adjuster boss,
wherein the adjustment ring is manually rotated to cause the movable plunger to extend along an axis of the bottom bracket assembly inward toward the bottom bracket assembly to apply pressure to a bottom bracket bearing inner race and eliminate a clearance in a bearing assembly of the bottom bracket.

US Pat. No. 10,480,568

FOIL BEARING

NTN CORPORATION, Osaka (...

1. A foil bearing comprising:a plurality of foils, each of the foils including:
a top foil portion having a bearing surface which forms a bearing gap with a shaft to be supported; and
an under-foil portion arranged on a back side of the top foil portion,
wherein the foil bearing is configured to support relative rotation of the shaft in a non-contact state with fluid pressure generated in the bearing gap,
wherein particles are supplied to the bearing gap,
wherein the top foil portion of each of the foils comprises a fluid control portion which is configured to generate a fluid flow from both end portions of the top foil portion in a direction along a surface of the top foil portion and orthogonal to a direction of the relative rotation toward a region between both the end portions,
wherein the foils are arranged at a plurality of positions in the relative rotation direction,
wherein the under-foil portion of each of the foils is configured to elastically support the top foil portion of an adjacent one of the foils from a back side, and
wherein a cutout portion, which is recessed in the relative rotation direction, is formed at a rear end of each of the under-foil portions.

US Pat. No. 10,480,567

BALL ELEMENT WITH RETRACTING STUD

1. A fixture element, comprising:a housing having a first portion and a second portion, the second portion defining a bore in which an abutment region is located;
a retracting stud having a first end and a second end, the second end including a flange, the retracting stud being configured for insertion in the bore such that the first end extends through the first portion to an extent defined by engagement of the flange with the abutment region;
a spring extending between the retracting stud and a disc, the disc being inserted in the bore at the end of the first portion opposite the abutment region, the spring biasing the retracting stud towards the abutment region; and
a ball element seated in the first portion and surrounding the retracting stud, the ball element being configured to swivel about the retracting stud.

US Pat. No. 10,480,566

DAMAGE TOLERANT AND FAIL-SAFE (DTFS) HIGH STRENGTH PRELOADED PIN ASSEMBLY

THE BOEING COMPANY, Chic...

1. A fracture-resistant double shear joint, comprising:a clevis comprising a first end defining a first bore and a second end defining a second bore;
a first bearing positioned within the first bore;
a second bearing positioned within the second bore;
a reaction load member defining a third bore, wherein the first bore, the second bore, and the third bore are colinear;
a first spacer positioned within the first bore and a second spacer positioned within the second bore;
a shear pin positioned within the first bore, the second bore, and the third bore, wherein the first spacer and the second spacer are configured to space the shear pin from the reaction load member defining the third bore;
a shear bolt comprising a threaded first end and a threaded second end;
an outer cylinder, wherein the shear bolt extends through an opening in the outer cylinder;
a first nut threaded onto the threaded first end of the shear bolt; and
a second nut threaded onto the threaded second end of the shear bolt, wherein an opposing force between the first nut and the second nut applies a compressive stress to the outer cylinder,
wherein the opposing force between the first nut and the second nut applies a tensile force to the shear bolt during application of the compressive stress to the outer cylinder,
wherein the first spacer is positioned between the first bearing and the outer cylinder and the second spacer is positioned between the second bearing and the outer cylinder.

US Pat. No. 10,480,562

SELF-TAPPING SCREW HEAD STRUCTURE

BI-MIRTH CORP., Kaohsiun...

1. A self-tapping screw head structure comprising a screw head, a rod connected to the screw head, a cone connected to one end of the rod away from the screw head, and a thread extending from the cone to the rod, a direction of the thread surrounding the cone and the rod determining a tapping direction surrounding the screw head and forming a circumferential path; wherein the improvement comprises:the screw head comprises a top portion, a first neck portion connected to the top portion and having a circumference gradually decreasing towards away from the top portion, a plurality of recesses recessed at a surface of the first neck portion and having recess depths gradually decreasing along the tapping direction, and a second neck portion connected to the first neck portion and having a circumference gradually decreasing towards away from the first neck portion;
wherein, each of the plurality of recesses comprises a crumb guiding end located at a position with a smallest of the recess depths, a cutting end away from the crumb guiding end and having the smallest of the recess depths, a first accommodating groove located between the cutting end and the crumb guiding end and adjacent to the top portion, and a second accommodating groove located between the cutting end and the crumb guiding end, adjacent to the first accommodating groove and away from the top portion, a recess depth of the first accommodating groove being greater than that of the second accommodating groove.

US Pat. No. 10,480,560

WOOD SCREW WITH INTERMEDIATE THREAD SECTIONS TAPERING TO THE FRONT

1. A wood screw for inserting into a massive wood base without predrilling, wherein the wood screw comprises:a shaft with a thread which is self-cutting in wood;
a screw head which is connected to the shaft directly or indirectly at a back side; and
a screw tip which is connected to the shaft directly or indirectly at a front side for penetrating into the wood base without predrilling,
wherein the screw tip is formed as a point-shaped end;
wherein intermediate portions located between more than a half of neighboring thread turns along the shaft are tapered towards the screw tip;
wherein the intermediate portions form a saw tooth structure; and
wherein the tapered portions are pivoted with respect to a screw axis such that the respective tapered portion intersects a mass equivalent circular cylinder core in the center between a respective back thread turn and a respective front thread turn.

US Pat. No. 10,480,558

CONNECTING DEVICE AND METHOD FOR FIXING A CONNECTING ELEMENT TO OR IN A COMPONENT

Lamello AG, Bubendorf (C...

1. A connecting device for fixing and/or connecting components or objects, or for fixing and/or connecting furniture or machine parts, wherein at least one connecting element of the connecting device is fixable in or to a component, the connecting element comprising:a main body having one or more holes; and
one or more securing elements,
wherein the one or the plurality of securing elements are formed in one piece with the main body in an initial position of the connecting device,
wherein the one or the plurality of securing elements are detachable from the main body by destroying a predetermined break-away region between the main body and the one or the plurality of securing elements,
wherein the one or the plurality of securing elements are moveable in relation to the one or more holes from the initial position into a securing position for the purposes of fixing the main body in or to the component,
wherein the one or the plurality of securing elements are cylindrically shaped,
wherein the one or the plurality of securing elements having a top end diameter and a bottom end diameter,
wherein the one or more holes are cylindrically shaped,
wherein the one or more holes having an entrance diameter, an exit diameter, and a center diameter, and
wherein the top end diameter and the bottom end diameter of the one or the plurality of securing elements are less than or equal to the entrance diameter, the exit diameter, and the center diameter of the one or more holes.

US Pat. No. 10,480,557

CONSTRUCTION KIT AND INSTALLATION ASSEMBLY AND METHOD FOR THE PRODUCTION THEREOF

1. A construction kit for a for a collapsible frame structure,is hereby characterized
in that the construction kit comprises flat components of type A and components of at least one type B, which are each formed as rectangles, each of which has two long sides and two edge sides, wherein the components of type A and of type B each have a thickness (D) and each have an identical length (L) and an identical width (W), the components of type A and of type B are each subdivided into n equally large sections of length L/n, which are bounded by n+1 sectional boundaries,
wherein the edge sides of the components of types A and B form respective outer sectional boundaries, and a central vertical line between the long sides of the respective components forms a central sectional boundary,
wherein the central vertical line is an axis of symmetry (S),
and wherein, in the components of type A, on a long side of the respective component, n?2 slots are arranged along a partial length of the respective sectional boundaries and are located between the edge sides and the axis of symmetry (S),
and wherein, in the components of type B, n?4 slots are arranged along selected sectional boundaries and are located between the edge sides and the axis of symmetry (S),
wherein, starting from a long side, a first portion of the n?4 slots are arranged along a partial length of the respective sectional boundaries, and, starting from the other long side, a second portion of the n?4 slots are arranged on the respective other sectional boundaries,
and wherein, starting from a long side, at least 2 of the n?4 slots of the components of type B are each arranged along the sectional boundaries and are directly adjacent to the axis of symmetry,
and, furthermore, starting from the other long side of the component, at least 2 of the n?4 slots of the component of type B are arranged along the sectional boundaries and are adjacent to the respective edge sides,
and n is one of 8, 10, and 12.

US Pat. No. 10,480,554

STEEL PART

ArcelorMittal France, La...

1. A heat-treated and quenched part comprising:a first steel plate having a first base, a first intermetallic alloy layer on the first base and a first metal alloy layer on the first intermetallic alloy layer; and
a second steel plate having a second base, a second intermetallic alloy layer on the second base and a second metal alloy layer on the second intermetallic alloy layer;
the first and second steel plates being butt-welded together at a weld, the weld including material from at least the first base, the first intermetallic alloy layer, the second base and the second intermetallic layer, the weld being totally martensitic and free of intermetallic areas.

US Pat. No. 10,480,553

SHAFT ASSEMBLY

Steering Solutions IP Hol...

1. A shaft assembly, comprising:a yoke defining a first bore that extends from a first face towards a second face along a first axis, the first bore having an inner surface that defines a key that extends towards the first axis and a first bore first flat that extends along the first axis and is spaced apart from the key, and a second bore that extends from a third face towards a fourth face along a second axis that is disposed transverse to the first axis, the third face and the fourth face each extending between the first face and the second face, wherein the yoke defines a notch that extends from first face towards the second face and extends between the first bore and a fifth face that extends between the first face, the second face, the third face, and the fourth face; and
a shaft having an outer surface extending between a first shaft end and a second shaft end along the first axis, the first shaft end being at least partially received within the first bore, wherein the outer surface defines a first flat that extends from the first shaft end towards the second shaft end, wherein the first flat is disposed parallel to the fifth face.

US Pat. No. 10,480,551

TRACTION CONTROL SYSTEM FOR ELECTRIC MULTIPLE UNITS

CRRC QINGDAO SIFANG ROLLI...

1. An oil tank ventilation device for a hydraulic brake unit of a tramcar, comprising a vent plug, a sealing ring, a gas guide hole and a gas guide pipe; wherein the gas guide hole is a through-hole structure arranged at an upper end inside an integrated valve block; the vent plug is arranged inside an electrical element protection case, and performs gas exchange from an outside through a harness hole provided on the electrical element protection case; the vent plug is mounted in the gas guide hole on the integrated valve block which is on one side of an interior of the electrical element protection case, and the vent plug is coaxial with the gas guide hole and is communicated with an inner chamber of the integrated valve block through the gas guide hole; the sealing ring is mounted at a junction of the vent plug and the integrated valve block; and, one end of the gas guide pipe is mounted with the gas guide hole on the integrated valve block which is on one side of an interior of an oil tank, while another end of the gas guide pipe is stretched into an air chamber above the interior of the oil tank, and the gas guide pipe is coaxial and communicated with the gas guide hole.

US Pat. No. 10,480,549

CYLINDER OPERATING CONDITION MONITORING DEVICE

SMC CORPORATION, Chiyoda...

1. An operating condition monitoring device for a cylinder, in which a first cylinder chamber is formed between a piston and one end in an interior of a cylinder main body, a second cylinder chamber is formed between the piston and another end in the interior of the cylinder main body, and fluid is supplied from a fluid supply source to the first cylinder chamber, or fluid is supplied from the fluid supply source to the second cylinder chamber, whereby the piston which is connected to a piston rod undergoes reciprocating motion between the one end and the other end inside the cylinder main body, comprising:a first pressure detection unit adapted to detect a pressure value of the first cylinder chamber;
a second pressure detection unit adapted to detect a pressure value of the second cylinder chamber;
a differential pressure calculating unit adapted to calculate a differential pressure between the pressure value detected by the first pressure detection unit and the pressure value detected by the second pressure detection unit;
a determination unit adapted to determine, based on the differential pressure calculated by the differential pressure calculating unit, whether or not the reciprocating motion operation of the piston is in an intermediate state between a normal state and an abnormal state; and
a storage unit adapted to store the calculated differential pressure, in an event that, during reciprocating motion of the piston, the first pressure detection unit has detected the pressure value of the first cylinder chamber, the second pressure detection unit has detected the pressure value of the second cylinder chamber, and the differential pressure calculating unit has calculated the differential pressure of the respective pressure values;
wherein, at completion of the reciprocating motion operation, the determination unit determines whether or not the reciprocating motion operation is in the intermediate state based on the differential pressure that is stored in the storage unit.

US Pat. No. 10,480,548

HYDRAULIC ACTUATOR TO WHICH LIMIT-ADJUSTABLE MECHANICAL LOCK DEVICE IS APPLIED

1. A hydraulic actuator employing a limit adjustable mechanical lock, the hydraulic actuator comprising an assembly ofa housing having a first hole to receive a piston, which is formed at one side thereof with a rack gear to be engaged with a pinion gear fixing a valve shaft, such that the piston is movable by a predetermined distance, wherein both opposite portions of the piston are recessed by a predetermined depth, and ball insertion grooves are formed in inner circumferential surfaces of recess parts,
side covers coupled to opposite sides of the housing and having holder insertion holes to be open toward a first hole of the housing, wherein opposite end faces about the housing are screwed with plugs to block the holder insertion holes from an outside,
a first holder having one side of an outer circumferential surface, which is inserted into the holder insertion hole in the side cover positioned at a side of the plug through screwing with an inner circumferential surface of the side cover, and a second hole hollowed to be open toward the first hole, wherein hydraulic pressure is introduced or discharged through the second hole,
a second holder having one end screwed with the second hole in the first holder while the second holder is fitted-coupled to the inner circumferential surface of the side cover, having a third hole open toward the first hole, and having an end face which is positioned at a side of the second hole and bored with an inner diameter smaller than a diameter of the second hole,
a locking unit having a rod inserted into the second hole and the third hole of the first holder and the second holder, respectively, while passing through a fourth hole of the second holder such that the rod is axially movable by a predetermined distance, wherein the rod allows a ball to be inserted into a ball insertion hole of the piston or to deviate from the ball insertion hole by hydraulic pressure, which is applied to the first holder and equal to or greater than predetermined pressure, or spring elastic force, to lock or unlock the piston, and
a fluid passage extending from the housing to each of the side covers provided at the opposite sides of the housing such that the hydraulic pressure is selectively applied to first holes and second holes formed in both sides of the side covers and the housing.

US Pat. No. 10,480,544

BLADDER ASSEMBLY AND ASSOCIATED BORE ALIGNMENT SYSTEM AND METHOD

The Boeing Company, Chic...

1. A method for aligning a plurality of bores in a first member with a plurality of bores in a second member, said method comprising:positioning a first inflatable bladder to extend through both a first bore in said first member and a second bore in said second member, wherein said first inflatable bladder is positioned inside said first bore and is positioned inside said second bore;
positioning a second inflatable bladder to extend through both a third bore in said first member and a fourth bore in said second member, wherein said second inflatable bladder is positioned inside said third bore and is positioned inside said fourth bore; and
moving said first member relative to said second member by pressurizing said first and second inflatable bladders with a fluid to cause said first and second inflatable bladders to expand into engagement with said first member and said second member.

US Pat. No. 10,480,542

VALVE SYSTEM FOR PNEUMATIC CYLINDERS

Aladdin Engineering and M...

1. A valve system for use with a cylinder having an extensible rod, the valve system comprising:a first valve assembly including
a first inlet/outlet port,
a check valve biased toward a closed state, the check valve having a check valve body at least partially receivable within a first port of the cylinder,
a flow control valve positioned in series between the first inlet/outlet port and the check valve, and
a first pilot port selectively communicable with a source of pressurized gas for opening the check valve; and
a second valve assembly including
a second inlet/outlet port,
a second pilot port through which the pressurized gas must flow before being introduced to the first pilot port,
a valve body at least partially receivable within a second port of the cylinder, wherein the second inlet/outlet port and the second pilot port are integrally formed as a single piece as a portion of the valve body, and
an annular cavity defined within the valve body that provides a fluid path between the second pilot port and the second inlet/outlet port.

US Pat. No. 10,480,541

INTELLIGENT BOOM CONTROL WITH RAPID SYSTEM CYCLING

8. A method of controlling fluid flow in a work machine, the method comprising:moving a hoist valve into a first position in which the hoist valve is configured to permit flow of hydraulic fluid between a reservoir and a hoist actuator;
moving the hoist valve into a second position in which the hoist valve is configured to inhibit flow of hydraulic fluid between the reservoir and the hoist actuator;
moving a stick valve into a first position in which the stick valve is configured to permit flow of hydraulic fluid between the reservoir and a stick actuator;
moving the stick valve into a second position in which the stick valve is configured to inhibit flow of hydraulic fluid between the reservoir and the stick actuator;
moving a connecting valve into a first position in which the connecting valve is configured to permit flow of hydraulic fluid between the hoist actuator and the stick actuator;
moving the connecting valve into a second position in which the connecting valve is configured to inhibit flow of hydraulic fluid between the hoist actuator and the stick actuator;
sensing a position of the hoist boom with a hoist boom position sensor;
sensing a position of the stick boom with a stick boom position sensor;
receiving velocity input commands for a desired movement of a tool;
communicating the sensed positions to a controller;
receiving, with the controller, input from a user interface;
determining, based upon the velocity input commands and the sensed positions, a first target velocity of the hoist actuator and a second target velocity of the stick actuator;
communicating signals to the hoist actuator and the stick actuator, with the controller, based upon the sensed position of the hoist boom, the sensed position of the stick boom, and the input from the user interface.

US Pat. No. 10,480,540

DOUBLE-ACTING CYLINDER

KONGSBERG AUTOMOTIVE AS, ...

1. A double-acting cylinder comprising:a cylinder housing having an inner wall and defining a cylinder bore extending along an actuation direction of the cylinder with the cylinder bore having opposing ends delimited by respective first and second cylinder caps;
a first floating piston comprising first and second sections with a circumferential length of the first floating piston in a plane extending perpendicular to the actuation direction of the cylinder greater in the first section than in the second section;
a second floating piston comprising first and second sections with a circumferential length of the second floating piston in a plane extending perpendicular to the actuation direction of the cylinder greater first section than the second section;
a central piston having an inner wall and movable to three stationary positions along the actuation direction of the cylinder,
wherein a movement of the first floating piston in the cylinder bore along the actuation direction of the cylinder is delimited towards the second floating piston by a first end stop arrangement, a movement of the second floating piston in the cylinder bore along the actuation direction of the cylinder is delimited towards the first floating piston by a second end stop arrangement, and a movement of the central piston in the cylinder bore along the actuation direction of the cylinder is delimited by the first and the second floating pistons;
a first seal arranged in the first section of each of the first and second floating pistons for a sealing engagement with the inner wall of the cylinder housing; and
a second seal arranged in the second section of each of the first and second floating pistons for a sealing engagement with the inner wall of the central piston,
wherein the movement of the first floating piston in the cylinder bore along the actuation direction of the cylinder and away from the second floating piston is delimited by the first cylinder cap, and the movement of the second floating piston in the cylinder bore along the actuation direction of the cylinder and away from the first floating piston is delimited by the second cylinder cap,
wherein the first end stop arrangement is attached to the first cylinder cap, and the second end stop arrangement is attached to the second cylinder cap,
wherein each of the first and second cylinder caps comprises a guiding section extending from the respective one of the first and second cylinder caps towards the central piston and spaced from the inner wall of the cylinder housing,
wherein the first end stop arrangement is formed by a protrusion arranged at the guiding section of the first cylinder cap and the second end stop arrangement is formed by a protrusion arranged at the guiding section of the second cylinder cap, and
wherein the first seal of the first floating piston is arranged for the sealing engagement with the inner wall of the cylinder housing, and the first seal of the second floating piston is arranged for the sealing engagement with the inner wall of the cylinder housing constantly over an entire length of the bore.

US Pat. No. 10,480,539

ACCUMULATOR

EAGLE INDUSTRY CO., LTD.,...

1. An accumulator comprising:a pressure container including a liquid pressure port connected to a pressure pipe;
a tubular bellows arranged telescopically along an inner wall of the pressure container;
a bellows cap configured to close one end of the bellows to divisionally define, in cooperation with the bellows, a liquid chamber communicating with the liquid pressure port and a gas chamber in which a pressure gas is enclosed; and
a stay provided with a through hole, the stay partitioning the liquid chamber into a closed liquid chamber on a side of the bellows and an open liquid chamber on a side of the liquid pressure port wherein:
the bellows cap includes an elastic abutment part provided with an annular sealing part positioned around the through hole to face the through hole, and a buffering part positioned on a radially inner side of the sealing part;
communication passages always communicating with the through hole are formed in the buffering part of the elastic abutment part; and
the communication passages comprise a plurality of radial grooves extending in a radial direction and at least one circumferential groove coupled to the radial grooves and extending in a circumferential direction.

US Pat. No. 10,480,537

LOW-COST EVACUATOR FOR AN ENGINE HAVING TUNED VENTURI GAPS

Dayco IP Holdings, LLC, ...

1. A method of tuning a multi-Venturi gap Venturi device that generates vacuum, the method comprising:providing a test Venturi device having a first suction piece that defines a first suction port and having a body that defines a passageway comprising a first tapering portion having an inlet end and an outlet end and a second tapering portion having an inlet end and an outlet end, wherein the outlet end of the first tapering portion and the inlet end of the second tapering portion are spaced apart a lineal distance to define a first Venturi gap, wherein a plurality of additional Venturi gaps segment the second tapering portion and each of the additional Venturi gaps define a lineal distance between a first opening and second opening thereof, and wherein the first tapering portion converges toward the first Venturi gap and the second tapering portion diverges away from the first Venturi gap;
operating the Venturi device as an aspirator and determining at which of the first Venturi gap and plurality of additional Venturi gaps is a location of minimum pressure for a first pre-selected operating condition;
operating the Venturi device as an ejector and determining at which of the first Venturi gap and plurality of additional Venturi gaps is a location of minimum pressure for a second pre-selected operating condition;
tuning whichever Venturi gap is at the location of minimum pressure as an aspirator to have higher vacuum suction by forming a first tuned Venturi gap having a smaller lineal distance than the same Venturi gap of the test Venturi device; and
tuning whichever Venturi gap is at the location of minimum pressure as an ejector to have a higher suction flow rate by forming a second tuned Venturi gap having a larger lineal distance than the same Venturi gap of the test Venturi device;
wherein the first tuned Venturi gap is not the same as the second tuned Venturi gap.

US Pat. No. 10,480,536

FAN UNIT FIXING STRUCTURE AND ELECTRONIC EQUIPMENT

MITSUBISHI ELECTRIC CORPO...

7. Electronic equipment comprising:a fan unit having a fan device for rotating a fan, and an elastic holder for holding the fan device;
a housing to which the fan unit is fixed;
piece portions provided at positions at which the fan unit placed at a fixing position in the housing is sandwiched between the piece portions from both sides thereof;
first elastic engagement portions provided in an outer peripheral portion of the holder, the first elastic engagement portions corresponding to the piece portions;
second elastic engagement portions provided in the piece portions, and elastically engaged with the first elastic engagement portions in a state in which the fan unit is placed at the fixing position, to hold the fan unit at the fixing position;
a drawn portion provided so as to project toward an inside of the housing, serving as a base of the fan unit placed at the fixing position, and having a seat surface in which a hole is formed;
a second projecting portion provided so as to project from the outer peripheral portion of the holder, and fitted into the hole in a state in which the fan unit is placed at the fixing position;
a contact portion provided so as to project from the outer peripheral portion on a periphery of the holder which is opposite to the second projecting portion; and
a hitting portion provided so as to project from a top plate, and being in contact with the contact portion while applying pressure to the contact portion, in a state in which the top plate is mounted to the housing.

US Pat. No. 10,480,535

FAN ROTOR WITH FLOW INDUCED RESONANCE CONTROL

1. A fan for a gas turbine, the fan comprising fan blades circumferentially distributed around and extending a full span length from a central hub, the fan blades including alternating first fan blades and second fan blades, the first fan blades having a baseline profile and the second fan blades having a modified profile being the same as the baseline profile but for a leading edge cutback, the leading edge cutback extending from a first span position to a second span position, wherein the first span position is located at a distance away from the hub not exceeding 50% of the total span length and the second span position is located at a distance away from the hub exceeding 20% of the total span length, the first span position and the second span position are respectively located radially outwardly of and radially inwardly of a span location corresponding to a maximum deflection point for a selected natural vibration mode of the first fan blades, the selected natural vibration mode is a natural vibration mode higher than a 1st natural vibration mode.

US Pat. No. 10,480,533

FLUID INJECTOR FOR COOLING A GAS TURBINE ENGINE COMPONENT

UNITED TECHNOLOGIES CORPO...

1. A gas turbine engine, comprising:a compressor;
a fluid injector to communicate a flow at a rotor rim of the compressor in a direction having a circumferential component, wherein the fluid injector injects flow in a direction that is opposite to a general direction of flow through the gas turbine engine, and the circumferential component is in a direction that is the same as the direction of rotation of the compressor; and
a low pressure compressor, wherein the compressor is a high pressure compressor axially aft of the low pressure compressor, the flow to the fluid injector is supplied by an aftmost compressor stage of the compressor, the fluid injector includes an array of nozzles that are radially aligned with an aft rotor rim below a blade platform of the compressor, and wherein the fluid injector includes an annular rim and an array of guides extending radially from the annular rim, the array of nozzles arranged circumferentially between the array of guides;
wherein each guide of the array of guides is hollow and includes a planar front face and a planar rear face spaced apart by opposed side walls, the planar front face of each guide of the array of guides arranged along a common first reference plane, the planar rear face of each guide of the array of guides arranged along a common second reference plane, and adjacent side walls of the respective guides are dimensioned such that the respective nozzle of the array of nozzles accelerates the flow; and
wherein the fluid injector includes an annular flange sloping radially inwardly from the annular rim to bound an annular plenum, the annular plenum configured to communicate the flow from the aftmost compressor stage of the compressor to the array of nozzles.

US Pat. No. 10,480,532

COMPRESSOR STATOR VANE, AXIAL FLOW COMPRESSOR, AND GAS TURBINE

IHI Corporation, Koto-ku...

1. A compressor stator vane for an axial flow compressor comprising:a vane-shaped cross-section provided from a first side of the compressor stator vane to a second side of the compressor stator vane in a radial direction, the vane-shaped cross-section having, on a camber line, a camber reference point in which a ratio of an angle obtained by subtracting an exit metal angle from a metal angle to a camber angle is 50%, wherein
a distance from a leading edge to the camber reference point is set to a 26-38% chord,
the metal angle refers to an angle formed by a tangential direction of the camber line and an axial direction at an arbitrary position on the camber line,
the camber angle refers to an angle obtained by adding an entrance metal angle to the exit metal angle,
the entrance metal angle refers to an angle formed by the tangential direction of the camber line and the axial direction at an leading edge of the compressor stator vane, and
the exit metal angle refers to an angle formed by the tangential direction of the camber line and the axial direction at a trailing edge of the compressor stator vane.

US Pat. No. 10,480,531

AXIAL FLOW COMPRESSOR, GAS TURBINE INCLUDING THE SAME, AND STATOR BLADE OF AXIAL FLOW COMPRESSOR

Mitsubishi Hitachi Power ...

1. An axial flow compressor comprising:multiple rotor blade rows configured to include multiple rotor blades and multiple stator blade rows configured to include multiple stator blades, the multiple rotor blades and the multiple stator blades being arranged inside an annular channel through which a working fluid flows,
wherein a first portion of at least one wall surface on an inner peripheral side and an outer peripheral side of the annular channel has a protruding portion such that downstream side part of the first portion is curved so as to further protrude to the annular channel than upstream side part of the first portion, where the first portion is disposed in a place where at least one of the rotor blade rows and the stator blade rows is located, and
wherein each of the multiple rotor and stator blades located at the protruding portion of the wall surface is configured such that a blade outlet angle in a blade height portion monotonously changes toward the wall surface having the protruding portion and an increase rate of a blade outlet angle at a blade end on a side of the wall surface having the protruding portion is greater than an increase rate of the blade outlet angle in the blade height portion.

US Pat. No. 10,480,529

INDUCED DRAFT FAN AND GAS FURNACE COMPRISING THE SAME

ZHONGSHAN BROAD-OCEAN MOT...

1. An induced draft fan, comprising:a volute comprising a chamber and an air discharge pipe; and
a wind wheel disposed in the chamber of the volute;
wherein
the wind wheel is connected to a rotation shaft of a motor;
the air discharge pipe is disposed on one side of the volute, and comprises an inner pipe and an outer pipe surrounding the inner pipe;
the inner pipe of the air discharge pipe communicates with the chamber to form an air discharge passage;
an annular groove is disposed between the inner pipe and the outer pipe; and
an outer end of the outer pipe is provided with a curved groove, the curved groove extends axially and circumferentially to divide the outer pipe into a fixed part and a flexible part.

US Pat. No. 10,480,528

SUPERPLASTIC FORMING

ROLLS-ROYCE plc, London ...

1. A method of manufacturing an aerofoil structure by diffusion bonding and superplastic forming to create a substantially hollow cavity within the aerofoil structure, the method comprising the steps of:providing first and second outer panels formed of a first material;
providing a membrane formed of a second material;
applying stop-off material to preselected areas on at least one side of the membrane or of the first or second panel so as to prevent diffusion bonding between the panels and the membrane at the preselected areas;
arranging the first and second panels and the membrane in a stack so that the membrane is between the first and second panels;
performing a diffusion bonding process to bond together the first and second panels and the membrane to form an assembly;
performing a superplastic forming process at a forming temperature to expand the assembly to form the aerofoil structure with the hollow cavity;
the method characterised in that the forming temperature is selected so that the second material undergoes superplastic deformation at the forming temperature and the first material does not undergo superplastic deformation at the forming temperature.

US Pat. No. 10,480,524

EDDY PUMP IMPELLER

EDDY PUMP CORPORATION, E...

1. An eddy pump impeller comprising: a hub having a planar rear surface, the hub tapering from the planar rear surface to a conical front end; and a plurality of blades extending from the hub; each of the plurality of blades having an outer surface essentially parallel to the rotational axis of the hub, inversely tapering from the hub, such that each of the plurality of blades has a width adjacent the hub that is less than a width adjacent the outer surface, and having a front surface tapering in height, such that the plurality of blades is configured to cause an eddy current and cause a fluid stream to be forced to an outside of the impeller wherein each of the plurality of blades inversely tapers at an angle of between 5 and 20 degrees.

US Pat. No. 10,480,522

ABRASION-RESISTANT THRUST RING FOR USE WITH A DOWNHOLE ELECTRICAL SUBMERSIBLE PUMP

Halliburton Energy Servic...

1. A multi-stage pump stack comprising:a shaft;
a diffuser disposed about the shaft;
an impeller disposed within the diffuser, wherein the impeller is provided with a concentric channel disposed about the circumference of the impeller at one end of the impeller, wherein the one end is inserted into the diffuser;
a first thrust ring disposed within the impeller, wherein the first thrust ring comprises a first grooved surface and a second grooved surface, wherein the first thrust ring is disposed within the channel; and
a second thrust ring disposed within the diffuser and adjacent to the first thrust ring, wherein the second thrust ring is at least partially disposed within the channel of the impeller, wherein the second thrust ring comprises a first grooved surface, wherein the first grooved surface of the first thrust ring contacts the first grooved surface of the second thrust ring, wherein the second thrust ring comprises an L-shaped cross-section,
wherein the first and second thrust rings are comprised of a material with a low friction coefficient, wherein the material with a low friction coefficient is selected from the group consisting of: carbide, ceramic, nylon, HDPE, and PTFE; and wherein upthrust forces are distributed between the first and second thrust rings.

US Pat. No. 10,480,521

METHODS AND APPARATUS FOR DETECTING AND PREVENTING COMPRESSOR SURGE

FISHER-ROSEMOUNT SYSTEMS,...

1. An apparatus comprising:a sensor to measure a first pressure value of a compressor and a second pressure value of the compressor;
a transmitter operatively coupled to the sensor and configured to process data at a first processing rate, the transmitter to:
calculate a derivative pressure value of the compressor based on the first and second pressure values, the derivative pressure value being calculated at the first processing rate to reduce a latency associated with calculating the derivative pressure value at a second processing rate less than the first processing rate; and
transmit the derivative pressure value; and
a controller operatively coupled to and separate from the transmitter and configured to process data at the second processing rate, the controller to:
receive the derivative pressure value calculated by and transmitted from the transmitter;
compare the derivative pressure value to a threshold value; and
in response to determining that the derivative pressure value fails to satisfy the threshold value, actuate a valve operatively coupled to the compressor to enable an additional derivative pressure value of the compressor subsequently calculated by and transmitted from the transmitter to satisfy the threshold value.

US Pat. No. 10,480,520

MOTOR-DRIVEN FAN WITH AN ASSEMBLY FOR MINIMIZING VIBRATION AND STRAIN

1. A motor-driven fan, comprising:an inboard bracket defining an outlet;
an outboard bracket;
a stator comprising a plurality of laminations;
a screw clamping the stator between the inboard bracket and the outboard bracket;
an armature comprising a shaft being elongate in an axial direction, a commutator supported by the shaft, and a set of windings being electrically coupled to the commutator;
a set of bearings mounted to at least one of the inboard bracket and the outboard bracket, the set of bearings providing the shaft with support in a radial direction that is perpendicular to the axial direction, the set of bearings further supporting the shaft in the axial direction so as to position the set of windings proximate the stator;
a fan housing connected to the inboard bracket, the fan housing defining an inlet that is in fluid communication with the outlet of the inboard bracket;
a plurality of fan wheels being in an axially stacked arrangement within the fan housing;
a nut fastening the plurality of fan wheels to the shaft; and
the inboard bracket comprising a first axial surface and a second axial surface both of which face toward and engage the stator, and
the outboard bracket comprising a third axial surface and a fourth axial surface both of which face toward and engage the stator, the first axial surface and the third axial surface being adjacent to the screw, the second axial surface extending farther away from the screw than does the first axial surface, the fourth axial surface extending farther away from the screw than does the third axial surface, the first axial surface being spaced apart a first axial distance from the third axial surface, the second axial surface being spaced apart a second axial distance from the fourth axial surface, the first axial distance being less than the second axial distance, and the first axial surface extending further towards the outboard bracket in the axial direction than the second axial surface.

US Pat. No. 10,480,517

METHOD OF AND ARRANGEMENT FOR MONITORING THE CONDITION OF A VOLUTE CASING OF A CENTRIFUGAL PUMP

SULZER MANAGEMENT AG, Wi...

1. A method of monitoring a condition of a volute casing of a centrifugal pump, the volute casing comprising an outlet duct with a wall and an outlet opening, a centreline plane, a cutwater tongue, an axis, and a wall having an inner surface defining an interior of the volute casing and an outer surface, the method comprising:determining, in the wall of the volute casing, at least one point, which, in view of the material forming the volute casing, is critical to wear;
providing, from outside the volute casing, a blind hole in the wall of the volute casing at the at least one point, the blind hole having a depth;
receiving information regarding the blind hole; and
taking predetermined actions to replace the volute casing with a new casing after the information indicates the blind hole opens into the interior of the volute casing.

US Pat. No. 10,480,515

PERFORMANCE MAP CONTROL OF CENTRIFUGAL PUMPS

1. A method for controlling a pump during pumping of working medium in an Organic Rankine Cycle (ORC) system, comprising the following steps:fixing a setpoint value of a flow rate of the pump, the pump pumping the working medium to a heat exchanger of the ORC system, and the heat exchanger evaporating the working medium;
measuring a condensation pressure of the working medium upstream of the pump at a location between a condenser of the ORC system and the pump and a live steam pressure of the working medium downstream of the pump at a location between the heat exchanger and an expander of the ORC system;
determining a setpoint value of a rotational speed of the pump from an inverted performance map of the pump, the inverted performance map of the pump being a relation between a differential pressure across the pump and a rotational speed of the pump for a particular flow rate of the pump, wherein the setpoint value of the flow rate and a difference between the live steam pressure and the condensation pressure are incorporated into the inverted performance map as input values; and
setting the rotational speed of the pump to the setpoint value of the rotational speed,
wherein an influence of fluctuations of the difference between the live steam pressure and the condensation pressure on the flow rate is compensated by determining the setpoint value of the rotational speed of the pump and setting the rotational speed of the pump to the setpoint value, thereby stabilizing process parameters including at least one selected from the group consisting of (i) the live steam pressure, and (ii) a live steam temperature.

US Pat. No. 10,480,514

PUMP ARRANGEMENT AND METHOD FOR PRODUCING A CONTAINMENT SHELL FOR THE PUMP ARRANGEMENT

KSB Aktiengesellschaft, ...

1. A pump arrangement, comprising:a pump casing having an interior space;
a containment can having a central longitudinal axis and being arranged to hermetically seal a chamber in the interior space;
an impeller shaft;
an impeller arranged on an impeller end of the impeller shaft;
an inner rotor arranged within the containment can on an opposite end of the impeller shaft; and
an outer rotor arranged radially outside of the containment can and axially located to interact with the inner rotor,
wherein
the containment can has a base with at least one bead configured to project into the chamber,
a center region of the containment can base is unsupported along the central longitudinal axis on an impeller side of the containment can base,
the at least one bead is arranged away from the central longitudinal axis of the containment can with a spacing to the central longitudinal axis of the containment can such that a ratio of an inner radius of the containment can to a distance between a radially outer edge of the at least one bead to the central longitudinal axis of the containment can is between 1.3 to 1.6, and
the base of the containment can includes a substantially spherical-segment-shaped cap region and a rim region arranged as a transition region between a main body of the containment can and spherical-segment-shaped cap region, the substantially spherical-segment-shaped cap region being continuously curved between one side of the rim region to a diametrically-opposite side of the rim region in regions away from the at least one bead.

US Pat. No. 10,480,513

INTERMEDIATE DISCHARGE PORT FOR A COMPRESSOR

TRANE INTERNATIONAL INC.,...

1. A compressor, comprising:a compressor housing;
a non-orbiting scroll member and an orbiting scroll member forming a compression chamber;
a discharge port for receiving a compressed fluid; and
an intermediate discharge port fluidly connected between the compression chamber and the discharge port, the intermediate discharge port including:
a first portion having a first diameter, the first portion disposed adjacent the compression chamber,
a second portion having a second diameter different from the first diameter, the second portion disposed adjacent the first portion and adjacent the discharge port,
a sealing member disposed within the intermediate discharge port, wherein the sealing member includes a center portion having a diameter and a plurality of protrusions,
fluid flow being prevented between the compression chamber and the discharge port through the intermediate discharge port when in a flow-blocked state, and
fluid flow being enabled between the compression chamber and the discharge port through the intermediate discharge port when in a flow-permitted state.

US Pat. No. 10,480,509

SCROLL-TYPE COMPRESSOR WITH OIL GROOVES ON SCROLL SLIDING SURFACES

Daikin Industries, Ltd., ...

1. A scroll compressor, comprisinga compression mechanism including
a fixed scroll having a fixed end plate, an outer peripheral wall standing on an outer edge of the fixed end plate, and a fixed wrap standing inside the outer peripheral wall, and
a movable scroll having a movable end plate in sliding contact with tip ends of the fixed wrap and the outer peripheral wall of the fixed scroll, and a movable wrap standing on the movable end plate,
the compression mechanism forming a fluid chamber between the fixed scroll and the movable scroll,
a fixed scroll oil groove being formed in a fixed sliding contact surface of the outer peripheral wall of the fixed scroll on which the movable end plate of the movable scroll slides, lubricating oil having a high pressure corresponding to a discharge pressure of the compression mechanism being fed into the fixed scroll oil groove,
a movable scroll oil groove being formed in a movable sliding contact surface of the movable scroll, which slides on the outer peripheral wall of the fixed scroll, and
the compression mechanism performing
a first operation in which the fixed scroll oil groove and the movable scroll oil groove communicate with each other without the fixed scroll oil groove and the movable scroll oil groove communicating with the fluid chamber, and
a second operation in which, after the first operation, the movable scroll oil groove simultaneously communicating with both of the fixed scroll oil groove and the fluid chamber.

US Pat. No. 10,480,507

GEROTOR ASSEMBLY HAVING AN OIL GROOVE

GM GLOBAL TECHNOLOGY OPER...

1. A gerotor assembly comprising:a crankshaft;
an inner drive gear mounted on the crankshaft;
an outer driven gear defining a plurality of passageways and operatively configured to engage with the inner drive gear, the outer driven gear and the inner drive gear further defining at least one compressible cavity therebetween; and
a housing defining an oil groove between the housing and outer driven gear, the oil groove being in fluid communication with the at least one compressible cavity via the plurality of passageways, the oil groove having a depth of approximately 2.0 mm;
wherein the plurality of passageways begin at an inner side of the outer driven gear and terminate in a groove defined in an exterior side of the outer driven gear.

US Pat. No. 10,480,506

CONICAL SCREW MACHINE WITH ROTATING INNER AND OUTER ELEMENTS THAT ARE LONGITUDINALLY FIXED

Vert Rotors UK Limited, ...

1. A conical screw compressor or pump comprising:an inner element configured to rotate around a first axis;
an outer element configured to rotate around a second axis; and
a fixing mechanism that substantially fixes a longitudinal position of the inner element along the first axis and that substantially fixes a longitudinal position of the outer element along the second axis thereby substantially fixing the inner element and the outer element in a relative longitudinal position; wherein
an outer surface of the inner element and an inner surface of the outer element comprise cooperating grooves and teeth that intermesh on rotation;
the first axis and the second axis are each stationary and the first axis is inclined relative to the second axis;
the conical screw compressor or pump further comprises a housing;
the fixing mechanism comprises a bearing proximate to a discharge end of the outer element and a further bearing proximate to a suction end of the outer element, wherein the bearing and the further bearing are each located between the outer element and the housing so as to allow relative axial rotation of the outer element and the housing while restricting longitudinal motion of the outer element and the housing;
the inner element is coupled to a shaft and the fixing mechanism further comprises at least one additional bearing between the shaft and the housing, the at least one additional bearing between the shaft and the housing being configured to allow relative axial rotation of the inner element and the housing while restricting relative longitudinal motion of the inner element and the housing.

US Pat. No. 10,480,505

ARRANGEMENT FOR SPECIFYING A PRESSURE

1. Apparatus (100) for specifying pressure (64) generated by a pump (30) driven by an electric motor (31), said apparatus comprising:the electric motor (31) configured to drive the pump (30);
a source (46, 20, 16) of instantaneous fluid pressure values (64) and a pressure controller (12) coupled to an output of said source;
a first processor (112) configured to calculate an internal torque value (114) based on a motor current value (110) and a motor constant ke;
a second processor (116) configured to calculate a target pressure value (62) corresponding to a target pressure of the pump (30) based on a difference between said internal torque value (114) and a loss torque value (108); and
a third processor (109) configured to calculate said loss torque value (108) based on a temperature value (104) and a motor RPM value (106);
wherein a pressure difference is determined based on the difference between an instantaneous pressure of the pump and the target pressure value (62), and a motor control signal is generated that corresponds to the pressure difference to control the electric motor (31) to drive the pump (30) at the target pressure; and
wherein said pressure controller (12), based upon a difference between an instantaneous fluid pressure value (64) and a target pressure value (62), generates a setpoint value (118) which influences power supplied to said motor (31), to bring said instantaneous pressure value (64) toward said target pressure value (62).

US Pat. No. 10,480,502

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 central part, a frame part surrounding the central part, and a connecting part connecting between the central part and the frame part;
a driver stacked over the central part, the driver being configured to vibrate the vibrating plate in a flexural manner from the central part to the connecting part; and
an opposed plate stacked over the frame part, the opposed plate being spaced apart from and opposed to at least the connecting part,
wherein the vibrating plate has a resonant mode such that an antinode occurs in each of the central part and the connecting part,
wherein the opposed plate has a plurality of channel holes through which the fluid flows, each of the channel holes being located at a position opposed to the connecting part, 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. 10,480,498

SELF VENTING PISTON PLUGS

DRESSER-RAND COMPANY, Ol...

1. A reciprocating compressor piston, the piston comprising:a piston cavity defined by the piston, wherein the piston is connected to a crankshaft and responsive to reciprocating motion from the crankshaft; and
a piston plug for venting gaseous working fluid from the piston cavity while restricting exit of non-fluidic debris material from the piston cavity, the piston plug installed in a plug hole defined by an outer surface of the piston, wherein the piston plug, comprises:
a cylindrical body having a longitudinal axis and an outer cylindrical surface extending longitudinally between a first surface and a second surface opposite the first surface, the outer cylindrical surface defining a hole extending radially inward, such that the hole has a central axis perpendicular to the longitudinal axis of the cylindrical body;
a first channel in fluidic communication with the first surface and the hole;
a second channel in fluidic communication with the second surface and the hole, the first channel, the second channel, and at least a portion of the hole forming a non-collinear flowpath;
a first straight thread defined on the outer cylindrical surface and having a first thread profile, the first straight thread configured to provide an interference fit with a second straight thread defined on an inner surface of the plug hole where the piston plug is installed, the second straight thread having a second thread profile that is different than the first thread profile;
a ball and a spring disposed in the hole,
wherein, when a pressure of gaseous working fluid in the cavity defined by the piston of the reciprocating compressor reaches or exceeds a predetermined value, the ball is dislodged from a valve seat and gaseous working fluid in the piston cavity escapes via the non-collinear flowpath in the piston plug,
wherein the non-collinear flowpath is effective to prevent non-fluidic material from exiting the piston of the reciprocating compressor along with the gaseous working fluid that escapes via the non-collinear flowpath;
a fastener disposed in the hole and configured to retain the ball and the spring in the hole; and
wherein when the piston plug is installed in the piston, the first surface is flush with an outer surface of the piston,
wherein a notch diametrically traverses from side-to-side the first surface of the piston plug, the notch defined by a cross-section centrally arranged relative to the longitudinal axis of the piston plug, the notch arranged to apply a screwing rotation about the central axis to the piston plug so that, when the piston plug is being installed in the piston, the piston plug is rotated relative to the plug hole in the piston and thus effect the interference fit of the first straight thread with the second straight thread defined on the inner surface of the plug hole, wherein the non-collinear flowpath is configured to restrict the exit of the non-fluidic debris material from the piston cavity,
wherein the second channel constitutes an inlet channel to receive the gaseous working fluid in the position cavity into the non-collinear flowpath, and wherein the first channel constitutes an outlet channel for gaseous working fluid exiting the non-collinear flowpath through the piston plug,
wherein the inlet channel extends along a longitudinal channel axis offset from the longitudinal axis of the piston plug and spaced-apart form the notch.

US Pat. No. 10,480,497

FEED PUMP, ESPECIALLY FUEL FEED PUMP FOR A VEHICLE HEATER

1. A feed pump for feeding fuel for a vehicle heater, the feed pump comprising:a pump chamber;
a pump piston housing;
a pump piston received in the pump piston housing such as to be movable to and fro in the pump chamber, and in a direction of a longitudinal axis of the feed pump, for ejecting fluid from the pump chamber and for receiving fluid within the pump chamber;
a driving element housing connected to the pump piston housing and providing a fluid inlet duct;
a driving arrangement driving the pump piston, the driving arrangement comprising at least one driving element made of a magnetic shape memory material, the at least one driving element being arranged in the driving element housing; and
a transmission element coupling the at least one driving element with the pump piston for transmitting a driving force, the driving element housing and the pump piston housing providing a passage opening for passage of the transmission element, wherein the passage opening provides passage of fluid from the driving element housing to an inner volume area of the pump piston housing, the pump piston having a fluid passage duct passing through the pump piston and providing fluid communication between the inner volume area of the pump piston housing and the pump chamber.

US Pat. No. 10,480,494

RUNAWAY VALVE SYSTEM FOR A PUMP

Carlisle Fluid Technologi...

1. A pumping system, comprising:a pump comprising a fluid section coupled to a motor section having a piston, wherein the piston is configured to axially reciprocate within a body, wherein an axial movement of the piston activates a first chamber valve at a first position and a second chamber valve at a second position, and the first and second position are axially offset from one another along a path of the axial movement of the piston;
a main valve configured to direct a flow to the motor section of the pump to facilitate the axial movement of the piston such that the fluid section transfers a fluid from a reservoir to a spray applicator; and
a runaway valve system fluidly coupled to the main valve and configured to detect a runaway state of the pump, wherein the runaway valve system comprises a signal valve configured to receive a first chamber signal from the first chamber valve and to receive a second chamber signal from the second chamber valve, and wherein the runaway valve system is configured to direct the main valve to control the flow to the motor section to hold a position of the piston to stop operation of the pump in response to detection of the runaway state.

US Pat. No. 10,480,492

ACTUATOR DEVICE

Panasonic Intellectual Pr...

8. An actuator, comprising:an actuator wire; and
a net-shaped electric heating element which covers a side surface of the actuator wire and comprises heating wires;
wherein
the actuator wire is capable of being contracted by application of heat and restored by release of heat;
the side surface of the actuator wire is formed of polymer; and
the net-shaped electric heating element is moved outward from the side surface of the actuator wire due to contraction of the actuator wire, when the net-shaped electric heating element is heated.

US Pat. No. 10,480,490

LIGHTNING CURRENT TRANSFER UNIT FOR A WIND TURBINE

1. A lightning current transfer unit for a wind turbine, the wind turbine comprising a first part and a second part being rotatable relative to each other, wherein the lightning current transfer unit is arranged to provide electrical contact between the first and second parts, the lightning current transfer unit comprising:a first current transfer portion comprising a first slider and configured to be electrically coupled to a first electrically conducting slideway of the first part of the wind turbine, the first slider being rotatable relative to the first slideway;
a second current transfer portion configured to be electrically coupled to an electrically conducting portion of the second part of the wind turbine;
a first main spring biasing the first slider towards the first slideway;
wherein the first slider comprises:
a primary contact biased towards the first slideway by the first main spring;
a secondary contact arranged to move relative to the primary contact; and
a secondary spring arranged between the first main spring and the secondary contact such that the secondary spring biases the primary contact away from the first slideway and biases the secondary contact towards the first slideway.

US Pat. No. 10,480,489

MOBILE RENEWABLE ENERGY STRUCTURES PROVIDING WIRELESS NETWORKING AND ASSOCIATED SYSTEMS AND METHODS

Prime Wind, Inc., San Di...

1. A structure for providing and using off-grid electrical power, the structure comprising:a plurality of pole segments forming a support pole, wherein a first pole segment of the plurality of pole segments is configured to fit inside a second pole segment of the plurality of pole segments;
a base positioned to support the support pole;
one or more benches attached to the base, wherein the one or more benches comprises three benches extending radially outwardly relative to the support pole;
a wind turbine assembly for converting wind to electrical power, the wind turbine assembly supported by the support pole;
one or more support elements carried by the support pole and extending outwardly from the support pole, the one or more support elements being positioned beneath the wind turbine assembly;
one or more solar panel structures for converting light to electrical power, at least one of the one or more solar panel structures being supported by a support element of the one or more support elements;
one or more cameras carried by at least one of the one or more support elements;
one or more wireless communication devices configured to provide access to a wireless communication network;
a battery connected to the wind turbine assembly, the one or more solar panel structures, the one or more cameras, and the one or more wireless communication devices; and
at least one controller configured to manage power input to the battery from the one or more solar panel structures or the wind turbine assembly, the at least one controller further being configured to manage power output from the battery to the one or more cameras and the one or more wireless communication devices.

US Pat. No. 10,480,487

HUB OF A WIND TURBINE

IMO Holding GmbH, Gremsd...

1. A hub of a wind turbine having rotor blades adjustable about their longitudinal axes and mounted to the hub by means of blade bearings, wherein the hub comprises:a hub body comprising a jacket, the jacket defining an interior space and having a plurality of openings extending completely through the jacket and communicating with the interior space;
an outer ring formed integral with the jacket and extending about the perimeter of one of the plurality of openings extending through the jacket, the outer ring comprising an outer surface facing away from the jacket, an inner surface facing the interior space, and an annular opening defined by an annular surface;
an inner ring sized to be rotatably received in the annular opening of the outer ring;
an inner sealing plate mounted to the inner surface so as to seal the inner ring from the interior space;
an outer sealing plate facing away from the jacket;
wherein the inner ring comprises a circumferentially-extending sidewall extending between the inner sealing plate and the outer sealing plate, the circumferentially-extending sidewall having an inner surface and an outer surface;
a gearbox comprising a central sun gear and a plurality of planetary gears disposed about the central sun gear;
wherein the outer ring extends radially outboard of the jacket such that the inner surface of the outer ring defines a concave curved region facing the interior space, and such that the outer surface of the outer ring defines a convex curved region facing away from the jacket;
wherein an inner rim is formed in the annular surface of the outer ring such that the inner rim extends around the annular opening of the outer ring, and at least one outer raceway is formed in the annular surface of the outer ring such that the at least one outer raceway extends around the annular opening of the outer ring, the at least one outer raceway being disposed concentric with the inner rim and axially outboard of the inner rim;
wherein at least one inner raceway is formed in the outer surface of the circumferentially-extending sidewall of the inner ring, such that when the inner ring is mounted in the annular opening defined by the outer ring, the at least one inner raceway is aligned with the at least one outer raceway formed in the annular surface of the outer ring;
wherein the inner sealing plate of the inner ring and the outer sealing plate of the inner ring are configured to be screwed together via fasteners disposed in a plurality of coronally arranged fastening bores extending parallel to a rotational axis of the inner ring;
wherein the inner surface of the circumferentially-extending sidewall of the inner ring comprises a first toothed region extending circumferentially about the inner surface of the circumferentially-extending side wall of the inner ring;
wherein the inner rim of the annular surface of the outer ring comprises a second toothed region extending circumferentially about the inner rim;
wherein the plurality of planetary gears of the gearbox engage the first toothed region of the inner ring and the second toothed region of the inner rim, such that when the sun gear is rotated, the plurality of planetary gears rotate about the sun gear and simultaneously engage the first toothed region and the second toothed region;
wherein the number of teeth H1 of the first toothed region differ from the number of teeth H2 of the second toothed region by a tooth differential ?Z, and further wherein ?Z is equal to the number of planetary gears in the gearbox, such that single-piece planetary gears are arranged around the sun gear at equidistant intervals, thereby resulting in a high speed ratio and high torque reduction in the force required to rotate the sun gear.

US Pat. No. 10,480,486

IMPROVEMENTS RELATING TO THE DETERMINATION OF ROTOR IMBALANCES IN A WIND TURBINE

1. A wind turbine comprising a tower, a rotor including a plurality of blades, an electrical generator operatively coupled to the rotor, and a control system including an active damping module configured to monitor oscillatory motion of the wind turbine and to output a damping demand signal to damp the oscillatory motion,wherein the control system is configured to perform a rotor imbalance determination process including:
controlling a rotating frequency of the rotor so that it substantially coincides with a natural frequency of the tower,
determining, while the rotating frequency of the rotor substantially coincides with the natural frequency of the tower, rotor imbalance data based on the damping demand signal and evaluating said rotor imbalance data to determine a presence of a rotor imbalance condition, and
correcting the rotor imbalance condition by applying one or more pitch control inputs to one or more of the plurality of blades so as to reduce the rotor imbalance condition.

US Pat. No. 10,480,485

CONTROL OF WIND TURBINES

1. A method of controlling a wind turbine, the method comprising:generating and outputting an overrating control signal to the wind turbine, the overrating control signal setting an amount by which the power output of the wind turbine is to be overrated;
measuring cable temperature values for at least one power collection cable connected to the wind turbine using at least one cable temperature sensor;
determining whether the measured cable temperature values exceed a temperature set point; and
modifying the overrating control signal to reduce the amount of overrating if the measured cable temperature values exceed the temperature set point.

US Pat. No. 10,480,482

BIOMORPHIC INSHORE WAVE ENERGY CONVERTER

1. A wave energy collector placed in ocean water at a given distance from a shoreline, the wave energy collector comprising:a. a parallelogram structure with a first side plate having a given width and a given height, a first axle affixed adjacent to a bottom of the first side plate and extending along the width of the first side plate, a second axle affixed adjacent to a top of the first side plate and extending along the width of the first side plate;
b. a second side plate having a given width and a given height, a third axle affixed adjacent to a bottom of the second side plate and extending along the width of the second side plate, a fourth axle affixed adjacent to a top of the second side plate and extending along the width of the second side plate;
c. a bottom plate affixed to the first side plate and affixed to the second side plate and a top plate affixed to the first side plate and affixed to the second side plate;
d. a first mechanical actuator affixed at a first end to the first axle and affixed at a second end to the fourth axle and a second mechanical actuator extending in an opposite direction and affixed at a first end to the third axle and affixed at a second end to the second axle;
e. a first one-way intake check valve connected to a first junction box, a first hose connected at one end to the first junction box and connected in fluid connection at a second end to said first mechanical actuator and a second hose connected at one end to said first junction box and connected in fluid connection at a second end to said second mechanical actuator;
f. a first one-way exit check valve connected to the first junction box and located opposite to the first one-way intake check valve, a first connector hose connecting the first one-way exit check valve to a water transport pipe affixed to the parallelogram structure; and
g. the first side plate and the second side plate move in a counterclockwise direction when impacted by an on-shore wave causing the second mechanical actuator to expand and suck in water during an expansion stroke and concurrently causing the first mechanical actuator to compress and push out water during a compression stroke, and when the first and second side plates are impacted from an onshore wave, the first and second side plates move in a clockwise direction causing the first mechanical actuator to expand and suck in water during an expansion stroke and concurrently causing the second mechanical actuator to compress and push out water during a compression stroke, the expansion stroke causing water to enter through the first one-way intake check valve and flow through the respective first or second hose to be stored in the respective first or second mechanical actuator and the compression stroke pushing water out of the respective first or second mechanical actuator, through the respective first or second hose and through the first one-way exit check valve to the first connector hose connecting to the water transport pipe;
h. whereby pressurized water is transported through the water transport pipe to an inshore apparatus which converts the pressurized water into a source of power or for desalinization;
i. wherein the wave energy collector is a double parallelogram structure comprising a first parallelogram wave energy collector including a first set of elements a, b, c, d, e, f, g and a second parallelogram wave energy collector including a second set of elements a, b, c, d, e, f, g and affixed to a top of the first parallelogram wave energy collector by a central axis.

US Pat. No. 10,480,480

HYDRAULIC TURBINE

GE Renewable Technologies...

1. A hydraulic turbine, comprising:a runner comprising a runner crown, a runner band, and a plurality of runner blades extending between the runner crown and the runner band; and
a stator surrounding the runner, the stator comprising an upper stator ring, a lower stator ring, and a plurality of guide vanes extending between the upper stator ring and the lower stator ring,
wherein a crown clearance is defined between the runner crown and the upper stator ring, wherein a first ratio of the crown clearance and a crown radius of the runner crown is greater than or equal to 0.02 so as to minimize pressure pulsations developing in a vane-less gap between the plurality of runner blades of the runner and the plurality of guide vanes of the stator.

US Pat. No. 10,480,479

CONTROL DEVICE FOR ENGINE

Mazda Motor Corporation, ...

1. A control system for a compression-ignition engine, comprising:an engine including a cylinder, a piston, a cylinder head, and a combustion chamber formed by the cylinder, the piston, and the cylinder head;
a spark plug disposed in the combustion chamber;
a fuel injection valve disposed to be oriented into the combustion chamber;
an in-cylinder pressure sensor connected to the combustion chamber and configured to detect pressure inside the combustion chamber; and
a control unit including a processor connected to the spark plug, the fuel injection valve, and the pressure sensor, and configured to output a control signal to the spark plug, the fuel injection valve, and the pressure sensor, respectively, the control unit executing:
a combustion noise index value calculating module to calculate, based on the output value of the in-cylinder pressure sensor, a first combustion noise index value that is an in-cylinder pressure level at a given high frequency, and a second combustion noise index value that is an in-cylinder pressure level at a given low frequency;
a limit value calculating module to calculate a limit value of a start timing of the CI combustion based on the first combustion noise index value and the second combustion noise index value;
an ignition timing setting module to set an ignition timing so that the start timing of the CI combustion does not advance beyond the limit value; and
a spark plug controlling module to output an ignition instruction to the spark plug at the ignition timing set by the ignition timing setting module.

US Pat. No. 10,480,478

DIAGNOSTIC TECHNIQUES FOR A CLUTCH INTERLOCK SWITCH AND A CLUTCH PEDAL POSITION SENSOR

FCA US LLC, Auburn Hills...

1. A control system for a vehicle having an engine with an electronic stop-start (ESS) system and a manual transmission, the control system comprising:a clutch pedal position sensor configured to output a voltage indicative of a level of depression of a clutch pedal that is configured to control engagement and disengagement of a clutch assembly of the manual transmission;
a clutch interlock switch configured to output an on/off state indicative of a position of the clutch pedal relative to a fully-depressed position; and
a controller configured to:
correlate the output voltage of the clutch pedal position sensor and the on/off state of the clutch interlock switch to detect a malfunction of the clutch pedal position sensor or the clutch interlock switch; and
disable the ESS system when the malfunction of the clutch pedal position sensor or the clutch interlock switch is detected.

US Pat. No. 10,480,477

ELECTRIC CURRENT BASED ENGINE AUTO STOP INHIBIT ALGORITHM AND SYSTEM IMPLEMENTING SAME

Ford Global Technologies,...

1. A vehicle comprising:an engine; and
at least one controller configured to inhibit an auto stop of the engine in response to expected increases and decreases to currents consumed by climate system accessory loads or power steering system accessory loads once the engine has been auto stopped resulting in an estimated current to be demanded by the vehicle accessory loads during an auto stop of the engine being greater than a threshold current.

US Pat. No. 10,480,473

FUEL INJECTOR

Ford Global Technologies,...

1. A fuel injector comprising:an injector body;
an end of the injector body configured to be positioned into a combustion chamber;
a fuel sac defined within the injector body;
a main fuel passage to fluidically couple the fuel sac to the combustion chamber, and having a varying cross-sectional area to form a reduced pressure region;
a dome shaped wall disposed over an outlet of the main fuel passage having two or more apertures to allow fuel to pass from the main fuel passage into the combustion chamber; and
an additional passage fluidically coupling the reduced pressure region with one of the fuel sac and the combustion chamber.

US Pat. No. 10,480,472

VARIABLE ANGLE MULTI-POINT INJECTION

Delavan Inc., West Des M...

1. A nozzle for injecting liquid comprising:a nozzle body defining a first flow channel and a second flow channel and a plurality of swirl ante-chambers each in fluid communication with the first flow channel, each of the plurality of swirl ante-chambers being in fluid communication with the second flow channel, with an injection point orifice defined in each swirl ante-chamber, wherein the first and second flow channels feed into the swirl ante-chambers to impart a tangential flow component on fluids entering each swirl ante-chamber to generate swirl on a spray issuing from the injection point orifices, the first flow channel, the second flow channel, and the swirl ante-chambers being configured and adapted for adjustment of spray angle on sprays issuing from the injection point orifices by varying flow apportionment among the first and second flow channels.

US Pat. No. 10,480,471

MOTORCYCLE FUEL SYSTEM WITH TWO INJECTORS POSITIONED IN THE INTAKE AIR PASSAGE

KAWASAKI JUKOGYO KABUSHIK...

1. A vehicle which supplies a fuel stored in a fuel tank to an air-intake passage through which intake-air flows, the intake-air being supplied to an engine which generates driving power for allowing the vehicle to travel, the vehicle comprising:a first injector which injects the fuel into the air-intake passage;
a second injector which is disposed to be apart from the first injector along a flow direction of the intake-air flowing through the air-intake passage and injects the fuel into the air-intake passage;
a fuel pump which discharges the fuel from the fuel tank;
a first fuel tube, a first end of which is connected to the fuel pump;
a second fuel tube, a first end of which is connected to the second injector; and
a connector which is connected to a second end of the first fuel tube, a second end of the second fuel tube, and the first injector, and distributes the fuel which has flowed through the first fuel tube, to the second fuel tube and the first injector,
wherein the connector is firmly coupled to the first injector,
wherein at least one of the first fuel tube and the second fuel tube is connected to the connector in such a manner that at least one of the first and second fuel tubes is relatively rotatable in a circumferential direction of the first fuel tube, with respect to the connector,
wherein the first fuel tube and the second fuel tube are arranged in series, the first and second fuel tubes being spaced apart in a forward and rearward direction and longitudinally extending in the forward and rearward direction, and
wherein the first end of the first fuel tube is located forward of the connector, and the first end of the second fuel tube is located rearward of the connector.

US Pat. No. 10,480,470

HIGH PRESSURE FLUID CONNECTION

DELPHI TECHNOLOGIES IP LI...

1. A fuel injection system for an internal combustion engine, the fuel injection system comprising:an injector having a first orifice;
a clamping plate; and
a pipe tightly connected to said first orifice of said injector, said pipe having a matching first orifice such that said first orifice of said injector is surrounded by a first peripheral smooth surface and said matching first orifice of said pipe is surrounded by a second peripheral smooth surface sealingly pressed against said first peripheral smooth surface by said clamping plate, and wherein said pipe is cylindrical, with said matching first orifice extending radially through said pipe such that said second peripheral smooth surface of said pipe is an outer cylindrical surface of said pipe and said first peripheral smooth surface of said injector is a matching surface of a groove arranged on said injector;
wherein said pipe is engaged between a lower surface of said clamping plate and an upper surface of said injector, and a screw is inserted through said clamping plate and threaded into said injector so that said clamping plate and said injector are pulled toward each other and so that said second peripheral smooth surface of said pipe and said first peripheral smooth surface of said injector are sealingly pressed against each other; and
wherein said injector and a first extremity of said clamping plate each have complementary hooks, such that said injector and said first extremity of said clamping plate are engaged via said complementary hooks, said screw being tightened at a second extremity of said clamping plate opposed to said hook of said clamping plate so that said pipe engaged between said lower surface of said clamping plate and said upper surface of said injector is fixed by a radial compression force.

US Pat. No. 10,480,469

COUPLING DEVICE

CONTINENTAL AUTOMOTIVE GM...

1. A fuel injector cup for hydraulically and mechanically coupling a fuel injector to a fuel rail of a combustion engine, the fuel injector cup comprising:a first part having a top end and a bottom end, the top end comprising a fuel inlet of the injector cup, the bottom end comprising a first recess, the first part further comprising two first bores for connecting a connector plate of the fuel injector to the fuel injector cup, and
a second part including (a) a body portion received in the first recess of the first part and defining a second recess and (b) a flange portion extending outwardly from the second part body and comprising two second bores aligning with the two first bores of the first part when the second part is received in the recess of the first part,
the second part configured to receive the fuel inlet portion of the fuel injector, wherein the second recess of the second part is located in the first recess of the first part such that the fuel inlet portion of the fuel injector received in the second recess of the second part is also located in the first recess of the first part,
wherein the first part is a cast metal part,
the second part is a machined, stamped, or deep-drawn metal part, and a press-fit or shrink-fit connection and/or a brazed connection between the first and second parts, and
two threaded connectors, each extending through one of the first bores in the first part, one of the second bores in the second part, and an opening in the connector plate of the fuel injector to both (a) secure the second part to the first part and (b) secure the fuel injector to the first and second parts of the fuel injector cup.

US Pat. No. 10,480,468

HIGH-PRESSURE CONNECTIVE DEVICE, HIGH-PRESSURE FUEL PUMP, AND METHOD FOR PRODUCING A HIGH-PRESSURE CONNECTION DEVICE FOR A HIGH-PRESSURE FUEL PUMP

CPT Group GmbH, Hannover...

1. A high-pressure connection device for connecting a high-pressure fuel pump to one or more elements of a fuel injection system, the high-pressure connection device comprising:an outlet which discharges fuel from the high-pressure fuel pump;
a connector connecting the outlet to the one or more elements of the fuel injection system;
a weld seam which connects the outlet and the connector; and
a pretensioner configured to exert a tension force on the weld seam, the pretensioner directly contacting the connector and directing connected to the outlet.

US Pat. No. 10,480,467

FLOW LIMITING VALVE, IN PARTICULAR FOR A DUAL FUEL INJECTION SYSTEM

1. A flow control valve for a dual injection system, the flow control valve comprising:a housing;
a valve body adjustable between a closed position and an open position, wherein in the open position a flow channel for a burnable gas is opened in the flow control valve and in the closed position the flow channel is closed, whereby the movement of the valve body is subject to pressure of a liquid fuel used as a control fluid or in the absence of the liquid fuel used as the control fluid; and
a control valve integrated into the housing of the flow control valve through which the valve body is moveable between open and closed positions, regardless of the burnable gas.

US Pat. No. 10,480,466

DIAPHRAGM AND PULSATION DAMPER USING SAME

FUJIKOKI CORPORATION, To...

1. A diaphragm comprising a flange, and a protrusion provided to protrude to one side of the flange,wherein the protrusion comprises at least two annular curved portions provided annularly on a ceiling portion having a flat surface-like shape and on an outer side in a radial direction of the ceiling portion, in a state where pressure on an outer wall side of the protrusion and pressure on an inner wall side of the protrusion are the same,
the at least two annular curved portions are each formed to be curved in a cross-section of the diaphragm obtained by cutting the diaphragm by a virtual plane including a center line of the diaphragm, and centers of curvature of the at least two annular curved portions are all arranged at different positions on a side opposite to a protruding direction of the protrusion,
the protrusion has a concave curved shape only on an inner wall surface among an outer wall surface and the inner wall surface of the protrusion over the entire area from the outermost one of the at least two annular curved portions to the center line of the diaphragm,
the diaphragm further comprises an annular rising portion provided between the flange and the protrusion, the annular rising portion curvilinearly rising from the flange to the protrusion and having a curvature radius in the cross-section of the diaphragm larger than that of the outermost one of the at least two annular curved portions, and
the diaphragm is formed of a sheet metal.

US Pat. No. 10,480,461

COMBUSTION ASSIST DEVICE FOR INTERNAL COMBUSTION ENGINE

Mitsubishi Electric Corpo...

1. A combustion assist device for an internal combustion engine provided with a fuel injector for injecting at least a portion of fuel into an intake manifold,the combustion assist device comprising:
an electrode element which is provided in the intake manifold and to which a high frequency high voltage is applied, wherein
the electrode element includes:
a dielectric material plate which has a first surface and a second surface, which is a surface on an opposite side to the first surface, the dielectric material plate dividing a portion of the intake manifold into a first flow path on a side of the first surface and a second flow path on a side of the second surface,
a first metal conductor which is a metal conductor provided on the first surface,
a second metal conductor which is a metal conductor provided on the second surface, and
wherein the electrode element is disposed at a position directly reached by at least a portion of unevaporated fuel of the fuel injected from the fuel injector.

US Pat. No. 10,480,460

EGR SYSTEM WITH PARTICLE FILTER FOR A GASOLINE ENGINE

TENNECO GMBH, Edenkoben ...

28. A method for the operation of a gasoline engine connected to an exhaust gas recirculation system comprising:an exhaust pipe attached to an exhaust manifold of the gasoline engine,
a turbine,
an inlet pipe connected to an inlet manifold of the gasoline engine,
a compressor,
at least one exhaust gas recirculation pipe_I, which branches at the exhaust pipe upstream of the turbine and opens in the inlet pipe downstream of the compressor, and
at least one particle filter_I, which is located in the exhaust gas recirculation pipe_I or in the exhaust pipe upstream of the exhaust gas recirculation pipe_I,
wherein the particle filter_I has a 3/Ox-coating oxidizing CO to CO2 and HC to H2O and reducing NOx to N2 and O2,
wherein the at least one particle filter_I is positioned upstream from at least one cooler_I provided inside the exhaust gas recirculation pipe_I,
wherein at least one further exhaust gas recirculation pipe is provided, which branches at the exhaust gas recirculation pipe and opens into the inlet pipe, and
wherein, in the at least one further exhaust gas recirculation pipe, at least one further cooler is provided, and
wherein the at least one further exhaust gas recirculation pipe opens in the inlet pipe upstream of the compressor, the method comprising the steps of:
a) adjusting at least one of an EGR valve and early ignition angle adjustment via a control unit to achieve an exhaust gas recirculation rate during operation, at least for an HP-EGR and at least in a high-load range and at full load, to a value of up to 20%, up to 30%, up to 40% or up to 50%, and
b) at least one of
i) adjusting via the control unit a combustion center of gravity closer to a thermodynamically optimum value of 8° crank angle,
ii) reducing a fuel quantity to be delivered to the gasoline engine, and
iii) both i) adjusting via the control unit a combustion center of gravity closer to a thermodynamically optimum value of 8° crank angle and ii) reducing a fuel quantity to be delivered to the gasoline engine and a full-load enrichment is avoided.

US Pat. No. 10,480,459

EXHAUST GAS RECIRCULATION LINE EMBODIED TO BE PARTIALLY FLEXIBLE

Mahle International GmbH,...

1. An exhaust gas recirculation line comprising:an at least partially flexible body;
body including a pipe section at an end, the pipe section closed on a front side and including at least two openings on a jacket side.

US Pat. No. 10,480,458

DEVICE HAVING AN ACTIVATED CARBON CANISTER AND MOTOR VEHICLE HAVING SUCH A DEVICE

VOLKSWAGEN AKTIENGESELLSC...

1. A device for temporary storage of gas containing hydrocarbons emitted by fuel in a fuel tank of a motor vehicle, wherein density of the gas containing hydrocarbons is greater than density of ambient air, the device comprising:a plurality of activated carbon canisters, each enclosing an activated carbon filter charged in a flow direction from bottom up to counter to the force of gravity; and
connecting lines connected to the plurality of activated carbon canisters such that the plurality of activated carbon canisters are arranged in a cascade progression, wherein an outlet opening of a first activated carbon canister is, in each case, connected to an inlet opening of a further activated carbon canister,
wherein, in each of the plurality of activated carbon canisters, the respective outlet opening is arranged higher than the inlet opening, and
wherein an increased pressure difference required for the gas containing hydrocarbons to overcome height differences resulting from positioning of the inlets and outlets in the cascaded arrangement prevents escape of the gas containing hydrocarbons as a result of the relative density of the gas containing hydrocarbons in comparison to ambient air such that the device collects the gas containing hydrocarbons in lowest regions of the plurality of activated carbon canisters by the force of gravity.

US Pat. No. 10,480,457

TWO-STROKE RECIPROCATING PISTON COMBUSTION ENGINE

1. A two-stroke reciprocating combustion piston engine comprising:a compression cylinder head comprising an intake and an exhaust valve;
an expansion cylinder head comprising:
an expansion chamber and a combustion chamber wherein an internal shape of the expansion chamber and of the combustion chamber is cylindrical and interconnected with each other along a same axis line, a diameter of a mouth of the expansion chamber being greater than a diameter of a mouth of the combustion chamber;
a valve controlling opening/closing of the combustion chamber,
an intake-exhaust valve, and
a spray nozzle provided on a side of the expansion chamber;
an engine body comprising:
a compression cylinder,
an expansion cylinder provided with an exhaust vent below the expansion cylinder, and
a crankcase with a combustion chamber intake-exhaust valve and crankcase exhaust valve;
pistons installed inside the compression cylinder and the expansion cylinder of the engine body,
connecting rods, each comprising a small connecting rod header, a large connecting rod header, and a rod body,
a crankshaft comprising a crankshaft main axle neck, a connecting rod axle neck, and a crankshaft arm; and
a crankcase cover.

US Pat. No. 10,480,456

GAS INJECTOR INCLUDING LIFT DETHROTTLING

Robert Bosch GmbH, Stutt...

1. A gas injector for injecting a gaseous fuel directly into a combustion chamber of an internal combustion engine, comprising:a valve closing element for opening or closing a pass-through opening;
a valve body; and
a sealing seat between the valve body and the valve closing element;
wherein in the case of a maximum lift of the valve closing element, a first flow cross section between the valve body and the valve closing element is smaller in a flow direction upstream from the sealing seat than a second flow cross section between the valve closing element and the sealing seat and is smaller than a third flow cross section in the flow direction downstream from the sealing seat.

US Pat. No. 10,480,455

CRYOGENIC CIRCUIT CONDITIONING SYSTEM

ARIANEGROUP SAS, Paris (...

1. A device that is configured for in-flight conditioning of cryogenic circuits equipment of an aerospace vehicle, which distributes cryogenic fluids from at least one tank to an engine of the aerospace vehicle, the device comprising:means for bleeding air from outside of the aerospace vehicle during an atmospheric part of a flight comprising an intake that is configured to bleed air from a compressor of a turbine engine of the aerospace vehicle;
means for extracting nitrogen from the air using a nitrogen separator of the OBIGGS type;
means for distributing the nitrogen that is configured to surroundingly interface the nitrogen with the cryogenic circuits equipment, comprising a circuit of pipework having orifices that are disposed along said pipework and are calibrated to keep the cryogenic circuits equipment conditioned at an overpressure with respect to surrounds thereof, said orifices being located around the cryogenic circuits equipment and effecting a nitrogen gas sweep of the cryogenic circuits equipment with nitrogen; and
drying mean located downstream of the nitrogen separator that include a discharge that is configured to dispense water to an exterior of the aerospace vehicle.

US Pat. No. 10,480,454

BLEED FLOW DUCT FOR A TURBOMACHINE COMPRISING A PASSIVELY ACTUATED VARIABLE CROSS SECTION VBV GRATING

SAFRAN AIRCRAFT ENGINES, ...

1. An intermediate casing hub for a bypass turbine engine, said hub comprising:an inner shroud configured to delimit a primary flow space of the primary gas flow of the turbine engine,
an outer shroud configured to delimit a secondary flow space of the secondary gas flow of said turbine engine,
a discharge stream duct extending between the inner shroud and the outer shroud, said discharge stream duct leading on the one hand into the primary flow space through an inlet opening formed in the inner shroud, and on the other hand into the secondary flow space through an outlet opening formed in the outer shroud,
a door that is movable between a closed position, in which the door closes a passage cross-section of the inlet opening, and an open position, in which the door opens a passage cross-section of the inlet opening, and
discharge fins comprising a leading edge and a trailing edge opposite the leading edge,
said discharge fins being rotatably mounted around a pivot in the discharge stream duct at the outlet opening between an open configuration, in which an air flow from the inlet opening is able to pass between the discharge fins, and a closed configuration, in which the discharge fins block a passage cross-section of the outlet opening,
the intermediate casing hub wherein the pivot of each discharge fin is closer to its leading edge than to its trailing edge and in that the discharge fins comprise a downstream portion extending between the pivot and the trailing edge and an upstream portion extending between the pivot and the leading edge, the downstream portion and the upstream portion of the discharge fins having a different density.

US Pat. No. 10,480,453

HIDDEN THRUST REVERSER BLOCKER DOOR LINK ARM FITTING

United Technologies Corpo...

1. A linkage system for a nacelle comprising:a pivot configured to extend through a second aperture disposed in a link arm;
a retaining member having a first end and a second end and defining a first aperture and a cavity, wherein the pivot is configured to extend at least partially into the first aperture and the cavity is configured to accommodate a portion of the link arm, and
wherein the retaining member comprises an attachment aperture located at the first end and a lip extending from the retaining member at the second end, the attachment aperture configured to receive a fastener, the fastener configured to receive a nut to secure the retaining member to an inner fixed structure (IFS), and the lip configured to be placed under a distal layer of the inner fixed structure (IFS), wherein the nut is accessible from a bypass flow path;
a housing configured to encase a portion of the retaining member, the housing being coupled to the IFS and comprising a first portion radially inward of the retaining member and a second portion configured to cover the lip, the fastener extending from the housing.

US Pat. No. 10,480,450

INTERNAL COMBUSTION ENGINE WITH PARTIAL PISTON TWISTING

Deutz Aktiengesellschaft,...

1. A reciprocating internal combustion engine comprising:a line of cylinders arranged in parallel which are joined via connecting rods and pistons by a crank drive jointly mounted in a crankshaft bearing, the crankshaft bearing being offset relative to a respective cylinder axis of each of the cylinders such that each of the cylinders is laterally offset from a center of a same crankshaft of the crank drive, the cylinders alternatingly having a positive offset and subsequently a negative offset from the center of the same crankshaft, as seen in a lengthwise direction of the internal combustion engine.

US Pat. No. 10,480,449

CYLINDER HEAD OF ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A cylinder head comprising:a pair of intake ports and a pair of exhaust ports opened toward a combustion chamber for each of cylinders in an engine, the intake ports and the exhaust ports being disposed to face each other and the intake ports and the exhaust ports being disposed to surround a fuel injection valve;
a first coolant path through which coolant flows from a position between the intake ports toward the fuel injection valve, the first coolant path being branched into first branch portions to surround the fuel injection valve;
a second coolant path through which coolant flows from a position between the exhaust ports toward the fuel injection valve, the second coolant path being branched into second branch portions to surround the fuel injection valve; and
a junction in which a first downstream side portion of each of the first branch portions of the first coolant path and a second downstream side portion of a corresponding one of the second branch portions of the second coolant path join each other, the junction including a facing wall that extends from a top surface of the junction toward the combustion chamber disposed on a lower side of the top surface of the junction, the facing wall facing a flow of coolant in at least one of the first branch portion of the first coolant path and the second branch portion of the second coolant path so as to guide the flow of coolant to reach a bottom surface of the junction.

US Pat. No. 10,480,447

SYSTEM AND METHOD FOR CONTROL OF VOLUMETRIC EFFICIENCY IN A DIRECT INJECTION ENGINE

Cummins Inc., Columbus, ...

1. A method of inducing an operational response change in an operating direct-injection internal combustion engine comprising:operating a direct-injection engine according to a default start of injection (SOI) protocol, the engine including a cylinder into which liquid fuel injection is directly performed;
determining that a change of a first parameter of engine operation is desired; and
inducing an operational response in the engine, responsive to the determination of the desired change, by altering the default SOI protocol via a first SOI alteration that alters a volumetric efficiency of the cylinder to obtain a gain in the volumetric efficiency of the cylinder and changes the first parameter.

US Pat. No. 10,480,446

METHOD AND APPARATUS FOR COOLING A HEAT-GENERATING MODULE

GE Aviation Systems LLC, ...

1. A liquid cooling circuit comprises:a liquid reservoir for combustible fuel having an autoignition temperature;
a heat-generating module;
a conduit fluidly coupling the heat-generating module with the liquid reservoir;
a pump configured to move the combustible fuel through the conduit to cool the heat-generating module;
a temperature component configured to determine the temperature of the combustible fuel; and
a controller module configured to control the pumping of the combustible fuel by ceasing the pumping when the temperature of the combustible fuel satisfies a comparison with a predetermined temperature threshold relative to the autoignition temperature.

US Pat. No. 10,480,445

GAS ENGINE DRIVE SYSTEM

KAWASAKI JUKOGYO KABUSHIK...

1. A gas engine drive system comprising:a gas engine;
a turbocharger including a compressor and a turbine that are connected to the gas engine;
a fuel injection valve provided on the gas engine;
a fuel supply line that leads a fuel gas to the fuel injection valve, the fuel supply line being provided with a pressure regulating valve;
a first pressure meter that detects an intake air pressure that is a pressure of intake air fed from the compressor to the gas engine;
a second pressure meter that detects a fuel supply pressure that is a pressure at a downstream side of the pressure regulating valve; and
a controller that controls the pressure regulating valve such that a pressure difference between the fuel supply pressure detected by the second pressure meter and the intake air pressure detected by the first pressure meter is a target value, wherein
the controller changes the target value from a first setting value to a second setting value higher than the first setting value when a calorific value of the fuel gas is less than a threshold.

US Pat. No. 10,480,436

EXHAUST PURIFICATION SYSTEM AND CATALYST REGENERATION METHOD

ISUZU MOTORS LIMITED, To...

1. An exhaust purification system comprising:a NOx-occlusion-reduction-type catalyst that is provided in an exhaust passage of an internal combustion engine, occludes NOx in exhaust when the exhaust is in a lean state, and reduces and purifies the occluded NOx when the exhaust is in a rich state;
an electronic control unit (ECU) for:
performing catalyst regeneration processing of setting the exhaust in the rich state and reducing and purifying the NOx occluded in the NOx-occlusion-reduction-type catalyst; and
inhibiting performance of the catalyst regeneration processing by the ECU when the internal combustion engine becomes a motoring state in which fuel injection is stopped, and inhibiting, when the internal combustion engine has started fuel injection during the inhibition, performance of the catalyst regeneration processing from start of the fuel injection until a predetermined time period has elapsed,
wherein when an increase rate in a fuel injection amount of the internal combustion engine exceeds a predetermined upper limit threshold value, the ECU inhibits performance of the catalyst regeneration processing, and when the increase rate in the fuel injection amount of the internal combustion engine decreases to the upper limit threshold value or smaller during the inhibition, the ECU inhibits performance of the catalyst regeneration processing from when the increase rate in the fuel injection amount of the internal combustion engine has decreased to the upper limit threshold value or smaller until a predetermined time period has elapsed.

US Pat. No. 10,480,435

EGR AND REFORMATE FRACTION ESTIMATION IN A DEDICATED EGR ENGINE

GM Global Technology Oper...

1. A method of operating a dedicated-EGR engine, comprising the steps of:providing a rich air-fuel mixture to a dedicated cylinder;
combusting the rich air-fuel mixture in the dedicated cylinder;
modeling the combustion of the rich air-fuel mixture in the dedicated cylinder;
estimating a composition of combustion products in the dedicated cylinder based on interpolation of chemical reaction models of stoichiometric and rich combustion;
mixing the combustion products from the dedicated cylinder with air to produce an intake mixture;
estimating a mass fraction of reformate in the intake mixture;
estimating a mass fraction of burned gas in the intake mixture;
providing the intake mixture to intake ports of all of the cylinders of the dedicated-EGR engine;
combusting an air-fuel mixture in a non-dedicated cylinder of the engine;
controlling an engine control parameter effective to influence combustion in the non-dedicated cylinder, wherein a value to which the engine control parameter is controlled is determined based on the estimated mass fraction of reformate and the estimated mass fraction of burned gas in the intake mixture.

US Pat. No. 10,480,434

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control device for an internal combustion engine which is configured to control an engine, the engine comprising:two types of intake cams for driving an intake valve;
a turbocharger including an exhaust turbine and an intake compressor;
an exhaust gas purifying catalyst which is provided on a downstream of the exhaust turbine;
an EGR device which is configured to introduce exhaust gas on the downstream side of the exhaust gas purifying catalyst into an upstream side of the intake compressor as an external EGR gas; and
an ignition device which is configured to ignite air-fuel mixture in a cylinder,
wherein the control device is configured to, based on an operation condition of the engine which is specified by engine torque and engine speed, set a target EGR rate and a target air-fuel ratio and select from the intake cams a drive cam for the intake valve,
wherein the control device is further configured to, when the engine is operated in a high EGR operation region where the target EGR rate is set to a predetermined high EGR rate:
select a first cam as the drive cam; and
set a closing timing of the intake valve to a first crank angle section including a crank angle at which inhalation efficiency is the highest under a condition where engine speed and supercharging pressure are fixed,
wherein the control device is further configured to, when the engine is operated in a low EGR operation region where is located on a higher torque and higher engine speed side relative to the high EGR operation region and the target EGR rate is set to a lower rate than the predetermined high EGR rate:
select a second cam as the drive cam which has smaller operation angle and smaller lift amount than those of the first cam;
set the closing timing of the intake valve to a second crank angle section which is located on an advanced side relative to the first crank angle section and whose inhalation efficiency is lower than that during the first crank angle section; and
change an ignition period of the ignition device to an advance period relative to the ignition period which is set when the engine is operated in the high EGR operation region,
wherein the control device is further configured to, when the engine is operated in an operation region where the high EGR operation region is overlapped with a rich operation region where the target air-fuel is set to a rich value:
change the target EGR rate to a lower value than the predetermined high EGR rate;
select the second cam as the drive cam;
set the closing timing to the second crank angle section; and
change the ignition period to the advance period.

US Pat. No. 10,480,432

EXHAUST GAS RECIRCULATION VALVES FOR A FORCED-INDUCTION INTERNAL COMBUSTION ENGINE WITH EXHAUST GAS RECIRCULATION

CONTINENTAL AUTOMOTIVE GM...

1. A method for building up the charge pressure required to avoid a drop in torque of an internal combustion engine having an exhaust gas turbocharger, which has a fresh air inlet duct, an exhaust gas recirculation duct with an exhaust gas recirculation valve, and a mixer, the method including:detecting an actuation of an accelerator pedal;
determining a target value for an exhaust gas recirculation rate in response to the actuation of the accelerator pedal;
measuring an instantaneous actual charge pressure;
determining a setpoint exhaust gas recirculation rate based on the target value for the exhaust gas recirculation rate, a setpoint charge pressure corresponding to the target value for the exhaust gas recirculation rate, and the measured instantaneous actual charge pressure;
calculating a control signal corresponding to an actuating variable for the exhaust gas recirculation valve, using the determined setpoint exhaust gas recirculation rate; and
delivering the control signal to the exhaust gas recirculation valve to change an opening state of the exhaust gas recirculation valve;
wherein the target value for the exhaust gas recirculation rate is predefined in dependence on a setpoint air mass and an instantaneous rotation speed of a shaft of the exhaust gas turbocharger.

US Pat. No. 10,480,430

EVAPORATED FUEL PROCESSING DEVICE

AISAN KOGYO KABUSHIKI KAI...

1. An evaporated fuel processing device configured to supply evaporated fuel evaporated in a fuel tank to an intake pipe, through which air is supplied to an internal combustion engine, the intake pipe including a supercharger and a throttle valve provided at a position downstream of the supercharger, the evaporated fuel processing device comprising:a canister configured to adsorb the fuel evaporated in the fuel tank;
a purge passage that connects the canister and the intake pipe, and through which a purge gas sent from the canister to the internal combustion engine passes;
a purge control valve provided on the purge passage; and
an ejector provided on the intake pipe in parallel to the supercharger,
wherein
the purge passage branches into a first branch passage and a second branch passage at a position downstream of the purge control valve,
the first branch passage is connected to the intake pipe at a position downstream of the throttle valve,
the second branch passage is connected to a suction port of the ejector,
an intake port of the ejector is connected to the intake pipe at a position between the supercharger and the throttle valve,
an exhaust port of the ejector is connected to the intake pipe at a position upstream of the supercharger,
the evaporated fuel processing device is configured to obtain a flow rate of the purge gas passing through the second branch passage based on a first pressure in the intake pipe downstream of the throttle valve, a second pressure in the intake pipe between the supercharger and the throttle valve, and a third pressure in the intake pipe upstream of the supercharger, and
the flow rate of the purge gas passing through the second branch passage is obtained by multiplying a flow rate and a correction coefficient, the flow rate being obtained based on a table related to the flow rate of the purge gas with the differential pressure between the second pressure and the third pressure as a variable, and the correction coefficient being obtained based on a table related to the correction coefficient of the purge gas with the differential pressure between the first pressure and the third pressure as a variable.

US Pat. No. 10,480,429

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

Mitsubishi Electric Corpo...

1. A controller for an internal combustion engine, the controller controlling a flow rate of exhaust gas of the internal combustion engine which flows to a turbocharger, by operating an actuator to adjust an opening of a valve, andthe controller comprising at least one microprocessor comprising:
a target supercharging pressure computing unit configured to compute a target supercharging pressure, based on an operating state of the internal combustion engine;
a required target opening computing unit configured to compute a required target opening of the valve that allows the target supercharging pressure computed by the target supercharging pressure computing unit to match with an actual supercharging pressure detected by a supercharging pressure sensor configured to detect a pressure of intake air of the internal combustion engine, which has been supercharged by the turbocharger;
a reference position learning unit configured to set, as a fully closed position learning value, an actual position of the valve detected by a position sensor, when the valve is located in a fully closed position;
an actual opening computing unit configured to compute an actual opening of the valve, based on the actual position detected by the position sensor and the fully closed position learning value which has been set by the reference position learning unit;
a restricted target opening computing unit configured to compute a restricted target opening of the valve, based on the fully closed position learning value which has been set by the reference position learning unit and a restricted target position which has been set, in advance, to have a value between an opening side upper limit position of the actuator and an opening side stopper position of the actuator, wherein the opening side upper limit position corresponds to an upper limit value of the required target opening, and the opening side stopper position corresponds to a position at which an output shaft of the actuator contacts an opening side stopper of the valve;
a target opening restricting unit configured to set, as a target opening of the valve, the smaller of: the required target opening computed by the required target opening computing unit; and the restricted target opening computed by the restricted target opening computing unit;
an operation quantity computing unit configured to compute an operation quantity to operate the actuator, so that the actual opening computed by the actual opening computing unit follows the target opening which has been set by the target opening restricting unit; and
a driving unit configured to operate the actuator in accordance with the operation quantity computed by the operation quantity computing unit.

US Pat. No. 10,480,428

VALVE CONTROL DEVICE

KEIHIN CORPORATION, Toky...

1. A valve control device configured to perform feedback control of a drive mechanism for a wastegate valve provided for a supercharger of an engine on the basis of a sensor signal indicating a real degree of opening of the wastegate valve and a target degree of opening of the wastegate valve, the valve control device comprising:a gain setting unit configured to set different control gains when the wastegate valve is closed and when the wastegate valve is opened,
wherein the gain setting unit sets the control gain to be relatively large when the wastegate valve is closed, and sets the control gain to be relatively small when the wastegate valve is opened,
wherein the gain setting unit sets the control gain to be higher in a transitional section of the target degree of opening when the wastegate valve is closed than in a steady section of the target degree of opening,
wherein the gain setting unit determines the steady section and the transitional section in the target degree of opening on the basis of at least one of a deviation between the target degree of opening of the wastegate valve and the real degree of opening thereof and a differential value of the target degree of opening of the wastegate valve, and a differential value of the real degree of opening of the wastegate valve.

US Pat. No. 10,480,426

METHOD OF CONTROLLING GAS ENGINE AND GAS ENGINE DRIVE SYSTEM

KAWASAKI JUKOGYO KABUSHIK...

1. A gas engine drive system comprising:a gas engine connected to a turbocharger including a compressor and a turbine;
a fuel injection system that injects a fuel gas into air supplied to the gas engine;
an ignition system for igniting an air-fuel mixture of the fuel gas and the air; and
a controller that controls the fuel injection system and the ignition system, wherein
the controller:
performs a knocking control operation of optimizing an ignition timing as a steady operation; and
in a case where a load of the gas engine increases during the steady operation, when a degree of increase in the load is relatively small, gradually increases an actual fuel injection amount while keeping the ignition timing, and when the degree of increase in the load is relatively great, retards the ignition timing and then gradually increases the actual fuel injection amount.

US Pat. No. 10,480,425

METHOD OF MANAGING A PROPULSION SYSTEM BASED ON HEALTH OF A LUBRICATION SYSTEM

GM GLOBAL TECHNOLOGY OPER...

1. A method of managing a propulsion system, the method comprising:determining a lube system fault in a vehicle lubrication system in response to an oil pressure;
calculating an allowable range of an engine parameter in response to the lube system fault, wherein the engine parameter is revolutions per minute; and
generating a control signal to control the engine to increase an engine speed in response to the engine parameter being lower than the allowable range such that the engine parameter is within the allowable.

US Pat. No. 10,480,424

INTERNAL-COMBUSTION ENGINE VALVE TIMING CONTROL APPARATUS

HITACHI AUTOMOTIVE SYSTEM...

1. A valve timing control apparatus for an internal combustion engine, the valve timing control apparatus comprising:a housing body formed in a cylindrical shape, and including a plurality of shoes formed so as to project from an inner peripheral surface of the housing body;
a vane rotor including a rotor configured to rotate integrally with a camshaft of the internal combustion engine, and a vane formed so as to project from an outer peripheral surface of the rotor and dividing a space between adjacent shoes of the plurality of shoes into an advance angle chamber and a retard angle chamber; and
a pulley including a cylindrical portion formed in a cylindrical shape, configured such that rotation from a crankshaft is transmitted to an outer peripheral side of the pulley, and accommodating the housing body at an inner peripheral side of the pulley, and a bottom portion closing a first side of the housing body and to which the housing body is secured; and
a plate closing a second side of the housing body,
wherein the pulley includes a through-hole extending therethrough in a rotation axis direction of the pulley at a position radially outward with respect to an outer peripheral surface of the housing body,
wherein the cylindrical portion includes a groove formed on an inner peripheral surface of the cylindrical portion, the groove extending in the rotation axis direction of the pulley, and
wherein the groove is in communication with the through-hole.

US Pat. No. 10,480,423

TURBOPROPELLER CONTROL SYSTEM WITH CONTROL SATURATION MANAGEMENT

SAFRAN AIRCRAFT ENGINES, ...

1. A screw propeller power PRW and a screw propeller rotation speed XNP control system of a turbopropeller having a variable pitch screw propeller based on a screw propeller power set point PRWref and a screw propeller rotation speed set point XNPref, including:a centralized control configured to slave the screw propeller power PRW of the turbopropeller to the screw propeller power set point PRWref and the screw propeller rotation speed XNP of the turbopropeller to the screw propeller rotation speed set point XNPref, the centralized control supplying fuel flow rate WF and screw propeller pitch ? controls for the turbopropeller;
wherein the control system includes:
a screw propeller rotation speed error limiter saturating the screw propeller rotation speed error ?XNP with a limiting value

a screw propeller power error limiter saturating the screw propeller power error ?PRW with a limiting value

the values
being selected so that the fuel flow rate WF and screw propeller pitch ? controls comply with the constraints imposed by operating constraints of the turbopropeller to limit a screw propeller pitch of the variable pitch screw propeller and an amount of torque applied to a screw propeller shaft of the variable pitch screw propeller.

US Pat. No. 10,480,421

SYSTEM AND METHOD FOR AN ENGINE CONTROLLER BASED ON ACCELERATION POWER

17. A non-transitory computer-readable medium having stored thereon program code executable by a processor for controlling a gas turbine engine, the program code comprising instructions for:receiving a requested engine speed;
obtaining a shaft inertia of the engine, a steady state fuel flow for the requested engine speed, and a relationship between fuel flow and acceleration power generated by the fuel flow;
determining a required fuel flow to obtain an engine acceleration as a function of the requested engine speed, the shaft inertia of the engine, the steady state fuel flow for the requested engine speed, and the relationship between fuel flow and acceleration power generated by the fuel flow; and
outputting a command to a fuel flow metering valve in accordance with the required fuel flow.

US Pat. No. 10,480,420

METHODS AND SYSTEMS FOR CONTROLLING TURBINE POWERED SYSTEM TO REDUCE STARTUP TIME

General Electric Company,...

8. A power plant comprising:a turbine;
a heat recovery system;
a bypass stack;
an exhaust duct including a damper configured to selectively direct the flow of exhaust from the turbine to the heat recovery system or to the bypass stack; and
a processing system, including at least one processor, the processing system being configured to at least:
before flame out during fired shutdown of the turbine, control the damper to move from a first position directing turbine exhaust to enter the heat recovery system to a second position to allow the turbine exhaust to enter the bypass stack and block the turbine exhaust to the heat recovery system;
while the position of the damper is maintained in the second position to prevent gas and/or vapor to enter the heat recovery system, perform fired shutdown of the turbine;
in response to request to start the turbine, determine whether a damper sealing air pressure is continuously maintained from when the damper was moved from the first position to the second position and until the request to start the turbine is received;
upon determining that the damper sealing air pressure was continuously maintained from when the damper was moved from the first position to the second position and until the request to start the turbine is received, generate air flow in the exhaust duct for a predetermined period of time while the position of the damper is maintained in the second position and start the turbine without performing a purge sequence for the heat recovery system;
upon determining that the damper sealing air pressure was not continuously maintained from when the damper was moved from the first position to the second position and until the request to start the turbine is received, start the turbine after generating air flow in the exhaust duct for the predetermined period of time while the position of the damper is maintained in the second position and after performing the purge sequence for the heat recovery system while the position of the damper is maintained in the first position; and
after starting the turbine, control the damper to move from the second position to the first position to allow the turbine exhaust to enter the heat recovery system and to block the turbine exhaust to the bypass stack.

US Pat. No. 10,480,419

INTERCOOLED COOLING AIR WITH PLURAL HEAT EXCHANGERS

United Technologies Corpo...

3. A gas turbine engine comprising;a main compressor section having a high pressure compressor with a downstream most end, and more upstream locations;
a turbine section having a high pressure turbine;
a first tap tapping air from at least one of said more upstream locations in said main compressor section, passing said tapped air through a first heat exchanger and then to a cooling compressor, said cooling compressor compressing air downstream of said first heat exchanger;
a second heat exchanger downstream of said cooling compressor;
a second tap tapping air from a location in said main compressor section closer to said downstream most end than the location of said first tap, wherein air from said first and second taps mixing together and being delivered into said high pressure turbine;
air being tapped from a third tap downstream of said second heat exchanger, and delivered to a component on the gas turbine engine to be cooled; and
wherein the location of said third tap is upstream of a location where said first and second taps mix together.

US Pat. No. 10,480,418

GAS TURBINE ENERGY SUPPLEMENTING SYSTEMS AND HEATING SYSTEMS, AND METHODS OF MAKING AND USING THE SAME

POWERPHASE LLC, Jupiter,...

7. A method of increasing output of a gas turbine engine, the method comprising:operating the gas turbine engine on natural gas;
operating an auxiliary air injection system coupled to a reciprocating engine, the reciprocating engine fueled with a supply of off-take gas from a waste facility; and,
injecting air from the auxiliary air injection system into the gas turbine engine to increase the power output from the gas turbine engine.

US Pat. No. 10,480,417

AIR TURBINE START SYSTEM

HAMILTON SUNDSTRAND CORPO...

1. An air turbine starter device comprising:a rotor arranged in a rotor cavity of a housing;
the housing comprising a first manifold having a first manifold cavity with a first manifold port operative to direct a first portion of compressed air to the rotor for rotation in a first direction;
the housing comprising a second manifold having a second manifold cavity with a second manifold port operative to direct a second portion of compressed air to the rotor for rotation in the first direction,
wherein the first manifold is larger than the second manifold,
wherein the air turbine starter is communicatively connected to a compressed air source providing the first portion of compressed air and the second portion of compressed air,
wherein the first manifold is connected in parallel with the second manifold between the rotor and the compressed air source,
and wherein the rotor is mechanically linked through a gear assembly to a core of a gas turbine engine such that rotation of the rotor rotates a compressor and a turbine of the gas turbine engine.

US Pat. No. 10,480,416

COMPACT AERO-THERMO MODEL BASED CONTROL SYSTEM ESTIMATOR STARTING ALGORITHM

UNITED TECHNOLOGIES CORPO...

1. A control system, comprising:an actuator for positioning a control surface of a control device;
a control law for directing the actuator as a function of a model output; and
a model processor for generating the model output, the model processor comprising:
an input object for processing a model input vector and setting a model operating mode, the model operating mode being a starting mode if the model input vector comprises a data range associated with a starting operation of the control device;
a set state module for setting dynamic states of the model processor, the dynamic states input to an open loop model based on the model operating mode;
wherein the open loop model generates current state derivatives, solver state errors, and synthesized parameters as a function of the dynamic states and the model input vector, wherein a constraint on the current state derivatives and solver state errors is based on a series of cycle synthesis modules, each member of the series of cycle synthesis modules modeling a component of a cycle of the control device and comprising a series of utilities, the utilities based on mathematical abstractions of physical laws that govern behavior of the component;
an estimate state module for determining an estimated state of the model based on at least one of a prior state, the current state derivatives, the solver state errors, and the synthesized parameters; and
an output object for processing at least the synthesized parameters of the model to determine the model output.

US Pat. No. 10,480,415

HIGH PRESSURE RELIEF VALVE NOZZLE

Hamilton Sundstrand Corpo...

1. A high pressure relief valve comprising:a valve housing defining an internal bore and having a valve inlet configured to be in fluid communication with a pump outlet;
a closure sleeve at least partially received within the internal bore, the closure sleeve comprising a sleeve body surrounding a center axis, wherein the sleeve body has an internal cavity that is enclosed at a downstream end and open at an upstream end;
a piston received within the internal cavity, wherein the internal cavity is defined in part by a piston contact surface that is defined by an inner diameter, wherein an outer surface of the piston slides against the piston contact surface;
a nozzle received within the internal bore of the valve housing, the nozzle comprising a nozzle body surrounding a center axis and defined by an overall length extending from an inlet end to an outlet end, wherein the nozzle body has a nozzle bore defined by an outlet bore inner diameter at the outlet end and an inlet bore inner diameter at the inlet end, the inlet bore inner diameter being greater than the outlet bore inner diameter, and wherein the nozzle body has a nozzle face defined at the outlet end, the nozzle face being defined between the outlet bore inner diameter and an outlet bore outer diameter spaced radially outwardly of the outlet bore inner diameter, and wherein the nozzle body includes a coupling feature held fixed relative to the nozzle body such that the coupling feature is not moveable relative to the nozzle body, and wherein the coupling feature is configured to couple the nozzle body to the closure sleeve that surrounds the outlet end;
at least one retaining feature that prevents the coupling feature from being uncoupled from the closure sleeve;
a spring assembly that biases the piston to close the outlet end, and wherein when a system pressure at the nozzle outlet exceeds a predetermined pressure level, a spring biasing load is overcome to open the outlet end to fluidly connect the nozzle to the internal cavity of the closure sleeve; and
wherein the nozzle includes one or more of the following nozzle characteristics
wherein a ratio of the outlet bore inner bore diameter to the outlet bore outer diameter at the nozzle face is between 0.95 and 0.98,
wherein a ratio of the outlet inner bore diameter at the nozzle face to the overall length is between 0.30 and 0.25,
wherein the nozzle bore includes at least a first bore section defined by a first bore length and a generally constant bore diameter that corresponds to the outlet bore inner diameter, and wherein the nozzle bore includes a second bore section defined by a second bore length and a variable bore diameter, and wherein a ratio of the outlet bore inner diameter at the nozzle face to the first bore length is between 0.8 and 1.1, or
wherein the second bore section increases in diameter along the second bore section length from an end of the first bore section to the inlet bore inner diameter such that the second bore section is defined by a conical surface angle, and wherein the conical surface angle of the nozzle is within a range between 0 degrees and 25 degrees.

US Pat. No. 10,480,412

STRUCTURE ENSURING ATTENUATION OF ACOUSTIC WAVES AND THERMAL EXCHANGE

Airbus Operations (S.A.S....

1. A structure for providing acoustic attenuation of a flow of a first fluid flowing along the structure, the structure comprising:a first wall, which is perforated by a plurality of holes;
a second wall;
a plurality of intermediate walls extending between the first wall and the second wall;
a plurality of corridors defined between adjacent intermediate walls, the corridors being bounded by the first and second walls; and
a pipe configured to receive a second fluid, wherein each pipe is oriented along a length of, and inscribed within, one of the plurality of intermediate walls, and wherein the pipe is located a distance from both the first wall and the second wall;
wherein the structure is configured for a portion of the first flow to penetrate, via the holes formed in the first wall, into the corridors for heat exchange between the portion of the first fluid in the corridors and the second fluid in a corresponding pipe in one of the intermediate walls defining the corridor.

US Pat. No. 10,480,411

WASTE HEAT RECOVERY DEVICE, GAS TURBINE PLANT PROVIDED WITH SAME, AND WASTE HEAT RECOVERY METHOD

MITSUBISHI HITACHI POWER ...

1. A waste heat recovery device comprising:a low-boiling-point medium Rankine cycle in which a low-boiling-point medium circulates while the low-boiling-point medium is repeatedly condensed and evaporated;
a heated water line that guides heated water in liquid form to the low-boiling-point medium Rankine cycle from a boiler configured to heat the water by high-temperature gas; and
a water recovery line that returns the water, which has been led from the heated water line to the low-boiling-point medium Rankine cycle, and passed through the low-boiling-point medium Rankine cycle, to the boiler; and
a water supply line that supplies the water to the boiler,
wherein the low-boiling-point medium Rankine cycle includes a heater that heats the low-boiling-point medium by exchanging heat between the low-boiling-point medium, which is a liquid, and the water, which is the liquid having passed through the heated water line,
wherein the boiler includes at least one or more evaporators that generate steam by heating the water using the high-temperature gas, and economizers that are provided for respective the at least one or more evaporators to heat the water, which is sent to the at least one or more evaporators, by the high-temperature gas,
wherein the heated water line guides the water in liquid, which is heated by either of the economizers provided respectively for the at least one or more evaporators, to the low-boiling-point medium Rankine cycle, and
wherein the water recovery line returns the water, which has passed through the low-boiling-point medium Rankine cycle, to the boiler through the water supply line.

US Pat. No. 10,480,409

COMPRESSED AIR ENERGY STORAGE AND RECOVERY SYSTEM AND METHOD WITH CONSTANT VOLUME HEATING

IFP ENERGIES NOUVELLES, ...

1. A compressed gas energy storage and recovery system comprising:at least one compressor for compressing the gas, a storage providing constant volume storage of the compressed gas, a first heat exchanger located outside the storage for cooling the compressed gas with a heat transfer fluid which absorbs heat from the compressed gas, a heater for heating the stored compressed gas at constant volume; and at least one expansion device for expanding the compressed gas after heating for generating energy, and wherein
the heater for heating the compressed gas at constant volume is located in the storage and the heating of the stored compressed gas in the storage is at least partially performed by heat transfer between heat transfer fluid and the compressed gas and the heater for heating the stored compressed gas comprises a second heat exchanger exchanging heat between the stored compressed gas and the heat transfer fluid of the first heat exchanger.

US Pat. No. 10,480,407

HEAT EXCHANGER ASSEMBLY FOR ENGINE BLEED AIR

1. An aircraft engine, comprising:an engine core having a core compressor and a core turbine for receiving a core flow, and a bypass conduit for receiving a bypass flow;
a heat exchanger having at least one cool air passage and at least one hot air passage in heat exchange relationship with one another; and
a turbocharger having a turbocharger compressor and a turbocharger turbine in driving engagement with each other, an inlet of the turbocharger compressor being in fluid communication with ambient air, an outlet of the turbocharger compressor being fluidly connected to the bypass conduit through the at least one cool air passage of the heat exchanger;
wherein the core compressor is fluidly connected to an inlet of the turbocharger turbine through the at least one hot air passage of the heat exchanger such that the turbocharger turbine is located downstream of the heat exchanger relative to a flow circulating in the at least one hot air passage.

US Pat. No. 10,480,406

GAS TURBINE CYCLE EQUIPMENT, EQUIPMENT FOR RECOVERING CO2 FROM FLUE GAS, AND METHOD FOR RECOVERING EXHAUST HEAT FROM COMBUSTION FLUE GAS

MITSUBISHI HEAVY INDUSTRI...

2. A system comprising:a gas turbine having a combustor configured to combust fuel with compressed air and a power turbine configured to be driven by combustion flue gas from the combustor; and
an exhaust heat recovery device configured to receive the combustion flue gas from the power turbine and recover heat energy from the combustion flue gas,
wherein the gas turbine comprises a primary air compressor and a secondary air compressor, the primary air compressor configured to compress air to produce primary compressed air, the secondary air compressor configured to compress the primary compressed air to produce secondary compressed air, wherein the compressed air includes the primary compressed air and the secondary compressed air,
wherein the exhaust heat recovery device includes:
a heat exchanger configured to perform indirect heat exchange between the combustion flue gas and the secondary compressed air, and
a saturator provided downstream, with respect to a flow of the combustion flue gas through the exhaust heat recovery device, from the heat exchanger and configured to perform indirect heat exchange between the combustion flue gas and the primary compressed air and supply water, the saturator being configured to permit steam to be entrained in the primary compressed air,
wherein the saturator includes:
a supply water header configured to introduce the supply water into the saturator,
a plurality of heat exchange tubes configured to communicate with the supply water header at a first end of the saturator, the plurality of heat exchange tubes being arranged within the saturator,
a storage header configured to communicate with the plurality of heat exchange tubes at a second end of the saturator, the storage header having an introducing part configured to introduce the primary compressed air into a space in the storage header for storing the supply water, and
a supply water circulation line via which the supply water is circulated through the saturator,
wherein the saturator is configured to pass the primary compressed air through spaces within the plurality of the heat exchange tubes through which the supply water circulates in the shape of a wet wall along inner wall surfaces of the plurality of heat exchange tubes, is configured to perform heat exchange with the combustion flue gas flowing against outer peripheries of the plurality of heat exchange tubes to generate steam from the supply water, and is configured to permit the generated steam to be entrained in the primary compressed air flowing through the saturator; and
wherein the system is configured to first introduce the primary compressed air to the saturator in which the steam is entrained by the primary compressed air and compress the primary compressed air to produce the secondary compressed air in the secondary air compressor, then heat the secondary compressed air in the heat exchanger, and then introduce the heated secondary compressed air into the combustor.

US Pat. No. 10,480,405

METHOD FOR COUPLING TWO SUB-SHAFTS

Siemens Aktiengesellschaf...

1. A method for coupling a first sub-shaft, which has a first fluid-flow machine and a generator connected to a mains supply, to a second sub-shaft, which has a second fluid-flow machine, by means of an overrunning clutch, comprising the steps:a) rotating the second sub-shaft with an initial rotational speed which is lower than the rotational speed of the first sub-shaft;
b) measuring the mains frequency of the mains supply;
c) measuring a differential angle between the first sub-shaft and the second sub-shaft;
d) accelerating the second sub-shaft with an acceleration value which is produced by using the mains frequency measured in step b), the differential angle and the initial rotational speed, so that the overrunning clutch couples the two sub-shafts to each other with a previously determined target coupling angle;
e) measuring a new mains frequency during the accelerations of the second sub-shaft;
f) in the event that the new mains frequency is different from the mains frequency measured in step b), accelerating the second sub-shaft with a changed acceleration value, which is produced by using the new mains frequency.

US Pat. No. 10,480,404

METHOD FOR INJECTING WATER INTO A MULTISTAGE AXIAL COMPRESSOR OF A GAS TURBINE

Ansaldo Energia Switzerla...

1. A method for injecting water into a multistage axial compressor of a gas turbine, comprising:injecting water at a plurality of points along the axial compressor; and
controlling an injected water mass flow at individual injection points in accordance with ambient conditions and operating parameters of the gas turbine for creating an evened-out loading in individual stages of the axial compressor via an analysis of a meridional mean line flow with a droplet evaporation model and a model of blade erosion.

US Pat. No. 10,480,403

COMBUSTOR WITH ADJUSTABLE SWIRLER AND A COMBUSTION SYSTEM

King Fahd University of P...

12. A process for combusting a fuel stream with a combustor comprising:a cylindrical vessel with an internal cavity;
an ion transport membrane that divides the internal cavity of said cylindrical vessel into a first and a second concentric cylindrical tone, wherein the first concentric cylindrical zone is a feed zone and the second concentric cylindrical zone is a combustion zone;
a first inlet and a first outlet located in the feed zone, and a second inlet and a second outlet located in the combustion zone;
a swirler that is connected to the second inlet, wherein the swirler has adjustable blades with adjustable angles;
a third concentric cylindrical zone which is sandwiched between the first and the second concentric cylindrical zones, defining a sweep zone; and
a third inlet and a third outlet located in the sweep zone, the process comprising:
combusting the fuel stream with molecular oxygen in the combustion zone to form an exhaust stream comprising water vapor and carbon dioxide;
delivering an oxygen-containing stream to the first inlet of the combustor, wherein molecular oxygen present in the oxygen-containing stream is transported to the sweep zone through the ion transport membrane;
flowing a portion of the exhaust stream into the third inlet of the combustor to sweep the molecular oxygen away from the sweep zone and to form an oxygen-enriched stream;
mixing the oxygen-enriched stream with the fuel stream in a mixer to form a combustion mixture; and
delivering the combustion mixture to the second inlet of the combustor, wherein the combustion mixture is expanded and/or agitated in the combustion zone via the swirler and is combusted to form the exhaust stream; and
repeating the flowing, the mixing, and the delivering.

US Pat. No. 10,480,401

IMPLOSION ENABLED ENGINE OF EXOTHERMIC TYPE IN EXPLOSIVE SYSTEM (IEEX-EX) EMPLOYING A SAFE PIPE SYSTEM (SPS) AND OTHER SAFETY DEVICES

1. An implosion enabled engine of exothermic type in explosive system (IEEX-EM) operating as serially operating internal combustion (SOIC) engine, the IEEX-EM comprising at least one cylinder filled with water;one or more piston assemblies connected to one or more crankshaft assemblies to produce torque;
at least one outlet for exhaust of water under pressure to rotate at least one turbine or throw at least one projectile using the power of explosion;
one or more engine heads filled with water;
at least one gas inlet and one gas outlet valve for said each engine head;
at least one hatch separator for separating said at least one cylinder—from said each engine head; and
at least one sparking assembly to ignite mixture of fuel and air in said each engine head.

US Pat. No. 10,480,400

AIR SUPERCHARGING DEVICE FOR AN INTERNAL COMBUSTION ENGINE

Nissan Motor Co., Ltd., ...

1. A supercharging device for supercharging an internal combustion engine, the supercharging device comprising:an air inlet,
an electric compressor arranged to compress air coming from the air inlet;
a heat exchanger arranged to cool compressed air coming from the compressor, the cooled compressed air flowing toward an intake manifold of the internal combustion engine; and
a cooling circuit arranged to cool at least one of the electric compressor and a control device of the electric compressor, the cooling circuit comprising
an air-conveying pipe arranged to convey air to at least one of the electric compressor and the control device, the air-conveying pipe extending between an outlet of the heat exchanger and at least one of the electric compressor and the control device, so as to be able to pick up cooled compressed air, and
an air recirculation pipe extending between at least one of the electric compressor and the control device and adjacent an inlet of the intake manifold.

US Pat. No. 10,480,398

CONTROLLING TURBOCHARGER COMPRESSOR CHOKE

BorgWarner Inc., Auburn ...

1. A turbocharger comprising a radial compressor including a compressor wheel, a diffuser and a compressor volute (5), the compressor volute (5) having a compressor volute tongue (3) disposed therein, and a redirecting device in the form of a vane (1) in a volute outlet upstream of the compressor volute tongue (3) and configured to redirect air over a suction side of the compressor volute tongue (3).

US Pat. No. 10,480,396

SPACER AND ELECTRIC SUPERCHARGER

Toyota Jidosha Kabushiki ...

1. A spacer that is disposed, to fix a rotor of an electric supercharger, between the rotor and a bearing disposed in a direction of a rotational axis of the rotor relative to the rotor, the spacer comprising a tapered surface with a diameter decreasing toward the bearing in an outer circumferential surface of the spacer, whereinan area of an end surface of the spacer on a rotor side is larger than an area of an end surface of the spacer on a bearing side,
a balance correction part that corrects balance of the spacer is disposed inside a recess formed in the end surface of the spacer on the rotor side, and
a region of the end surface located on an outer side of the recess relative to a central axis of the spacer constitutes a surface coming in contact with the rotor.

US Pat. No. 10,480,395

FUEL INJECTION DEVICE OF ENGINE

Mazda Motor Corporation, ...

1. A control device of an engine including a cylinder, a piston for reciprocating inside the cylinder along a center axis thereof, a cylinder head, and a combustion chamber formed by the cylinder, the piston, and the cylinder head, comprising:an intake port configured to introduce intake air into the combustion chamber;
an exhaust port configured to discharge exhaust gas from the combustion chamber;
a swirl control valve provided in an intake passage connected to the intake port;
a fuel injection valve attached to the cylinder head, disposed to be oriented into the center of the combustion chamber in a plan view thereof, and having a first nozzle port with a nozzle port axis extending to the exhaust port side in the plan view and a second nozzle port with a nozzle port axis extending to the intake port side in the plan view; and
a control unit connected to the fuel injection valve and the swirl control valve and configured to output a control signal to the fuel injection valve and the swirl control valve, respectively, the control unit including a processor configured to execute a swirl opening controlling module to output the control signal to the swirl control valve to have a given opening at which a swirl ratio inside the combustion chamber becomes 2 or above, and a fuel injection timing controlling module to output the control signal to the fuel injection valve to inject fuel at a given timing at which the swirl ratio becomes 2 or above and a swirl flow from a lower portion to a higher portion of the combustion chamber in a side view of the combustion chamber occurs.

US Pat. No. 10,480,394

SHROUD IN A HEAT EXCHANGE ASSEMBLY IN A VEHICLE

Ford Global Technologies ...

1. A heat exchange assembly of a vehicle, comprising:a radiator; and
a shroud including:
a housing adapted to be connected with the radiator of the heat exchange assembly and spaced apart with the radiator, wherein the housing includes a fan receiving opening;
a ventilation aperture disposed on the housing and spaced apart from the fan receiving opening; and
a flow guide structure having sidewalls and connected to the housing, wherein the sidewalls form a guide tunnel to airflow entering the ventilation aperture and are configured to guide the airflow away from a clearance between the housing and the radiator and the ventilation aperture remains open all time;
wherein the sidewalls of the flow guide structure extend from a front surface of the housing toward the radiator and surrounding entirely a perimeter of the ventilation aperture; and
wherein one end of the sidewalls of the flow guide structure is connected to the front surface of the housing and another end of the sidewalls contacts a surface of the radiator.

US Pat. No. 10,480,393

HEATER FOR ELECTRONIC THERMOSTAT AND METHOD FOR MANUFACTURING ELECTRONIC THERMOSTAT

WOO JIN IND. CO., LTD., ...

1. A heater for electronic thermostats, comprising:a hollow tube open at one end thereof and closed at the other end thereof;
a heating coil disposed inside the tube and generating heat by electrical resistance;
lead wires supplying electric power to the heating coil, the lead wires including first and second lead wires being disposed in the tube and spaced apart from each other;
an insulation cap disposed inside an entrance of the tube, the insulation cap being made of an insulation material and sealing off the entrance of the tube; and
an insulation spacer disposed between the insulation cap and the heating coil within the tube and holding the first and second lead wires in a separated state, the insulation spacer having an outer surface spaced apart from an inner surface of the tube to allow the tube to be filled with the insulation material,
wherein the tube is directly inserted into a fastening hole of a wax case through interference fitting such that the heater is mounted on the wax case,
wherein the first lead wire is a positive terminal having a first end exposed outside the tube and a second end disposed inside the tube to receive external electric power through the one end thereof exposed outside the tube, and the second lead wire is a negative terminal having a first end exposed outside the tube and a second end disposed inside the tube to be separated from the first lead wire, and
wherein the heating coil includes:
a main coil having a predetermined diameter;
a first coil connected to an lower end of the main coil and having a diameter smaller than the diameter of the main coil; and
a second coil connected to upper end of the main coil and having a diameter smaller than the diameter of the main coil, wherein the second end of the first lead wire is inserted into the first coil disposed at the lower end of the main coil, and the second end of the second lead wire is inserted into the second coil disposed at the upper end of the main coil.

US Pat. No. 10,480,391

COOLANT CONTROL SYSTEMS AND METHODS TO PREVENT COOLANT BOILING

GM GLOBAL TECHNOLOGY OPER...

1. A coolant control system for a vehicle, comprising:a first target flowrate module that determines a first target flowrate of coolant through an engine;
a flowrate adjustment module that:
when a change in heat input to the engine from combustion within the engine is greater than a predetermined value:
determines a flowrate adjustment based on the change in the heat input to the engine;
determines a flow period for increasing coolant flow through the engine based on the change in the heat input to the engine, the determination of the flow period including:
setting the flow period to a first period if the change in the heat input to the engine is in a first range; and
setting the flow period to a second period that is greater than the first period if the change in the heat input to the engine is in a second range that is greater than the first range; and
maintains the flowrate adjustment for the duration of the flow period; and
when the change in the heat input to the engine is less than the predetermined value and the flow period has passed, sets the flowrate adjustment to a predetermined flowrate;
a heat input module that determines the heat input to the engine from combustion within the engine based on an engine torque and an engine speed;
a second target flowrate module that determines a second target flowrate as a function of the first target flowrate and the flowrate adjustment;
a coolant valve control module that controls a position of a coolant valve, the coolant valve having:
a first chamber configured to output coolant received by the first chamber to a transmission fluid heat exchanger and an oil heat exchanger; and
a second chamber configured to output coolant received by the second chamber to an engine coolant pump,
the coolant valve being configured to:
when the position of the coolant valve is between a first end position and a first position, block coolant flow into the first chamber and block coolant flow into the second chamber;
when the position of the coolant valve is between the first position and a second position, block coolant flow into the first chamber, allow coolant flow from an engine into the second chamber, and block coolant flow from a radiator into the second chamber;
when the position of the coolant valve is between the second position and a third position, allow coolant flow into the first chamber from an integrated exhaust manifold, allow coolant flow from the engine into the second chamber, and block coolant flow from the radiator into the second chamber;
when the position of the coolant valve is between the third position and a fourth position, allow coolant flow from the integrated exhaust manifold into the first chamber, allow coolant flow from the engine into the second chamber, and allow coolant output by the radiator into the second chamber;
when the position of the coolant valve is between the fourth position and a fifth position, allow coolant flow into the first chamber from the engine coolant pump, block coolant flow into the second chamber from the engine, and allow coolant flow from the radiator into the second chamber;
when the position of the coolant valve is between the fifth position and a sixth position, allow coolant flow into the first chamber from the engine coolant pump, allow coolant flow into the second chamber from the engine, and allow coolant flow from the radiator into the second chamber;
when the position of the coolant valve is between the sixth position and a seventh position, allow coolant flow into the first chamber from the engine coolant pump, allow coolant flow into the second chamber from the engine, and block coolant flow from the radiator into the second chamber; and
when the position of the coolant valve is between the seventh position and a second end position, block coolant flow into the first chamber and block coolant flow into the second chamber;
a target speed module that determines a target speed of the engine coolant pump based on the second target flowrate and the position of the coolant valve; and
a speed control module that controls a speed of the engine coolant pump based on the target speed.

US Pat. No. 10,480,390

WORK VEHICLE, AND POSITION ADJUSTMENT METHOD OF MOVABLE PORTION OF WORK VEHICLE

Komatsu Ltd., Tokyo (JP)...

1. A work vehicle, comprising:a vehicle body that includes an opening portion communicating between inside and outside;
a movable portion that is rotatably supported to the vehicle body between a closed position at which the opening portion is closed and an open position at which the opening portion is open; and
a position adjustment portion that adjusts a vertical position of the movable portion when the movable portion is at the closed position, wherein the position adjustment portion includes
a first plate that is provided on the vehicle body and includes a first through portion which vertically penetrates the first plate,
a second plate that is provided on the movable portion, and includes a second through portion which vertically penetrates the second plate and communicates with the first through portion from below when the movable portion is at the closed position, and
an adjustment bolt that includes a shaft portion inserted into the first through portion and the second through portion; and
wherein the vehicle body includes a heat exchange room, wherein the opening portion is formed on a rear side of the heat exchange room, wherein a cooling unit that is provided inside the heat exchange room and has a rear surface facing the rear side is further provided, wherein the movable portion is a blower unit that includes a fan rotationally driven and a shroud covering the fan from an outer peripheral side, wherein the closed position is a position at which the blower unit faces the rear surface of the cooling unit, and wherein the open position is a position at which the blower unit exposes the rear surface of the cooling unit.

US Pat. No. 10,480,389

COOLANT CIRCUIT FOR A LIQUID-COOLED TRANSMISSION

Bayerische Motoren Werke ...

1. A coolant circuit, comprising:an engine cooling circuit in which coolant is circulated in order to cool an internal combustion engine, the engine cooling circuit branching into a cylinder head cooling circuit and a crank housing cooling circuit at a bifurcation;
a transmission cooling circuit for cooling a transmission, which transmission cooling circuit branches off from the crank housing cooling circuit upstream of a merging point between the branched cylinder head cooling circuit and crank housing cooling circuit;
a valve which is arranged in the transmission cooling circuit; and
a control which is adapted to open and close the valve in accordance with an operating state of the internal combustion engine and/or the transmission.

US Pat. No. 10,480,388

LIQUID COOLED RADIAL POWER PLANT HAVING AN EXTERNAL COOLANT MANIFOLD

UNIGEN POWER INC., Aubur...

1. A ground-based electric power generating system, comprising:a generator coupled to a radial engine of the type including a central hub and a plurality of radially extending cylinder assemblies, each cylinder assembly comprising:
an inner sleeve having a top flange, wherein the inner sleeve is configured to provide a path for a reciprocating piston;
an outer jacket having a cylindrical jacket wall terminating at a horizontal step, a fluid inlet port extending through the cylindrical jacket wall, and a fluid outlet port extending through the cylindrical jacket wall;
a fluid path defined between the inner sleeve and the cylindrical jacket wall of the outer jacket; and
a cylinder head having a horizontal plate;
wherein the top flange is clamped between the horizontal step and the horizontal plate to thereby secure the inner sleeve within the cylinder assembly;
wherein the fluid inlet port is configured to communicate cooling fluid to the fluid path from a fluid inlet manifold disposed external to the cylinder assemblies;
wherein the fluid outlet port is configured to communicate cooling fluid from the fluid path to a fluid outlet manifold disposed external to the cylinder assemblies;
wherein the fluid inlet manifold is a regular, nine-sided polygonal structure having rotational symmetry about an axis defined by a crankshaft of the radial engine wherein each vertex of the polygonal structure is coupled to a corresponding inlet port of the cylinder assemblies.

US Pat. No. 10,480,386

EXHAUST MANIFOLD FOR COMBINING SYSTEM EXHAUST PLUME

BELL HELICOPTER TEXTRON I...

1. An exhaust manifold for an aircraft comprising:a plurality of exhaust ducts in gaseous communication with one or more exhaust systems, wherein the exhaust ducts receive exhaust from the one or more exhaust systems; and
a platform comprising the plurality of exhaust ducts, wherein the platform is located upstream of an equipment inlet, and wherein the plurality of exhaust ducts are configured to direct exhaust at a rotor linkage for the exhaust to dissipate away from one or more rotors attached to the rotor linkage.

US Pat. No. 10,480,383

ABNORMALITY DIAGNOSIS APPARATUS FOR EXHAUST GAS PURIFICATION APPARATUS

Toyota Jidosha Kabushiki ...

1. An abnormality diagnosis apparatus for an exhaust gas purification apparatus of an internal combustion engine that operates in a lean burn mode, said exhaust gas purification apparatus including an NOx storage reduction catalyst provided in an exhaust passage of said internal combustion engine and a fuel addition valve provided in the exhaust passage upstream of said NOx storage reduction catalyst to add fuel to exhaust gas, comprising a controller comprising at least one processor configured to:determine an outflowing NOx quantity defined as the quantity of NOx flowing out of said NOx storage reduction catalyst;
determine an NOx storage amount defined as the amount of NOx stored in said NOx storage reduction catalyst on the basis of said outflowing NOx quantity;
perform a specific fuel addition process of adding fuel by said fuel addition valve repeatedly at a specific cycle to raise the temperature of said NOx storage reduction catalyst, the quantity of fuel added by each fuel addition in said specific fuel addition process and said specific cycle being set in such a way that NOx stored in said NOx storage reduction catalyst is desorbed and the average air-fuel ratio of the exhaust gas flowing into said NOx storage reduction catalyst is kept at a lean air-fuel ratio higher than the stoichiometric air-fuel ratio during the time in which said specific fuel addition process is being performed; and
make a diagnosis as to whether said NOx storage reduction catalyst is normal or abnormal,
wherein said controller is further configured to start said specific fuel addition process when said NOx storage reduction catalyst is in a specific start condition in which said NOx storage amount determined by the controller falls within a specific range and the temperature of said NOx storage reduction catalyst is equal to or lower than a specific temperature that is lower than a thermal desorption temperature defined as a temperature above which NOx can flow out of said NOx storage reduction catalyst when said specific fuel addition process is performed even if said NOx storage reduction catalyst is normal, and equal to or higher than the activation temperature of said NOx storage reduction catalyst, and
diagnose said NOx storage reduction catalyst on the basis of said outflowing NOx quantity over a specific period in a period from when said specific fuel addition process is started to when the temperature of said NOx storage reduction catalyst reaches said thermal desorption temperature.

US Pat. No. 10,480,382

METHOD FOR DETECTING CATALYST DETERIORATION OF VEHICLE

Hyundai Motor Company, S...

1. A method for detecting catalyst deterioration in a vehicle, comprising:executing, by a controller, a fuel-cut mode of an engine of the vehicle according to an operating state of the vehicle;
calculating, by the controller, an oxygen storage capacity (OSC) of a catalyst using an oxygen sensor during the executing of the fuel-cut mode of the engine; and
calculating, by the controller, catalyst deterioration based on the calculated OSC,
wherein the calculating of the OSC of the catalyst comprises:
integrating an oxygen flow rate from a time when the executing of the fuel-cut mode of the engine begins to a time at which a measured signal from the oxygen sensor installed at a rear end of the catalyst, indicates a lean region of an air-fuel ratio, thereby obtaining an integrated oxygen value; and
setting the OSC of the catalyst as equal to the integrated oxygen value.

US Pat. No. 10,480,380

REDUCING HEATING OF A PARTICULATE FILTER DURING A REGENERATION EVENT

FORD GLOBAL TECHNOLOGIES,...

1. A vehicle comprising:an engine;
a battery;
an electric machine coupled to the engine and connected to the battery;
a particulate filter receiving engine exhaust gas; and
a controller configured to, in response to predicted particulate filter temperature during a subsequent regeneration exceeding a threshold, operate the electric machine to discharge the battery in preparation for operating the electric machine to charge the battery during the subsequent regeneration while fueling the engine to compensate for torque used by the electric machine to reduce oxygen in the exhaust gas flowing to the particulate filter.

US Pat. No. 10,480,379

EXHAUST HEAT RECOVERY DEVICE INCLUDING ENGAGEMENT PORTION CONFIGURED TO ROTATE VALVE

FUTABA INDUSTRIAL CO., LT...

1. An exhaust heat recovery device comprising:an exhaust pipe that has a tubular shape and that allows an exhaust gas from an internal combustion engine to be guided downstream;
a shell member of a tubular shape that covers an outer side of the exhaust pipe;
a heat exchange portion arranged between the exhaust pipe and the shell member, the heat exchange portion comprising a heat exchanger that performs heat exchange between (i) the exhaust gas as a high-temperature fluid and (ii) a low-temperature fluid flowing within the heat exchanger;
an inflow portion comprising an inflow path through which the exhaust gas from the exhaust pipe flows to the heat exchange portion;
a valve arranged downstream of the inflow portion along a flow path of the exhaust gas in the exhaust pipe, the valve opening and closing the exhaust pipe;
a driving portion that generates a driving force for driving the valve; and
a transmitting portion that transmits the driving force generated by the driving portion to the valve,
wherein the driving portion comprises:
an expansion portion that expands when an external electrical signal is inputted to the driving portion; and
a linearly moving portion that extends according to expansion of the expansion portion,
wherein the transmitting portion comprises:
an engagement portion that is fixed to a shaft of the valve and that engages with the linearly moving portion; and
a torsion spring that applies a biasing force to the valve, and
wherein at least one end of the torsion spring is directed inward in a radial direction thereof,
wherein the engagement portion comprises an engagement part having an arc-like shape,
wherein the linearly moving portion comprises a piston, and
wherein, in the piston, a seating face configured to engage the engagement part of the engagement portion comprises an arc-like concave shape.

US Pat. No. 10,480,378

ENGINE EXHAUST STRUCTURE

MAZDA MOTOR CORPORATION, ...

1. An engine exhaust structure comprising:a turbine of a turbocharger provided for an exhaust pipe of an engine, and rotated by energy of exhaust gas of the engine; and
an exhaust gas purifier connected directly downstream of the turbine, and configured to purify the exhaust gas,
wherein the exhaust gas purifier includes
a case having a flat transverse section including a pair of facing short sides and a pair of facing long sides, and configured to house a catalytic converter, and
an inlet cone including a conical portion, and configured to connect an outlet of the turbine to an inlet of the case, the conical portion including an inclined wall inclined from a mainstream of the exhaust gas to increase a transverse section of a path of the exhaust gas, and
wherein a recess recessed inward is formed in a portion corresponding to each of the facing long sides of the inclined wall of the conical portion.

US Pat. No. 10,480,376

UREA SENSOR PROTECTION ASSEMBLY AND UREA SENSOR SYSTEM

MEAS France, Toulouse (F...

1. A urea sensor protection assembly for protecting a fluid sensor of a urea sensor system, comprising:an inner cage supporting the fluid sensor and having a first fixation element fixing the inner cage to a common holder;
an outer cage having a filter capable of blocking a plurality of air bubbles and/or allowing a fluid to pass and a second fixation element fixing the outer cage to the common holder, the inner cage at least partially arranged in an inner volume of the outer cage in an assembled state; and
a bubble outlet opening formed by a gap between the inner cage and the outer cage.

US Pat. No. 10,480,375

SCR CONVERSION EFFICIENCY DIAGNOSTICS

Cummins Emission Solution...

1. A system, comprising:an exhaust aftertreatment system comprising a first sensor; and
a controller configured to:
determine an ammonia-to-nitrogen ratio using a sample ammonia input value and a sample NOx input value;
receive an actual NOx input value and an actual ammonia input value;
receive an emission value from the first sensor;
determine a NOx emission estimate, an ammonia slip estimate, and an optimal ammonia storage value for a selective catalytic reduction using an iterative inefficiency calculation based, at least in part, on the actual NOx input value, the actual ammonia input value, and the ammonia-to-nitrogen ratio; and
output the NOx emission estimate, the ammonia slip estimate, and the optimal ammonia storage value to a remote diagnostic system.

US Pat. No. 10,480,373

TECHNIQUES FOR CONTROL OF AN SCR AFTERTREATMENT SYSTEM IN RESPONSE TO AN AMMONIA SLIP CONDITION

Cummins Inc., Columbus, ...

1. A method, comprising:operating an internal combustion engine to produce an exhaust gas flow into an exhaust system including a selective catalytic reduction (SCR) catalyst disposed in the exhaust gas flow, the exhaust system including:
a reductant injector coupled to the exhaust system at a position upstream of the SCR catalyst;
a first NOx sensor upstream of the SCR catalyst;
a second NOx sensor downstream of the SCR catalyst;
determining a target deNOx efficiency for the SCR catalyst;
injecting a first amount of reductant into the exhaust gas flow in response to the target deNOx efficiency;
determining a current deNOx efficiency of the SCR catalyst in removing NOx from the exhaust gas flow as a function of a first output from the first NOx sensor and a second output from the second NOx sensor;
determining the current deNOx efficiency is less than the target deNOx efficiency;
detecting an NH3 slip condition;
in response to detecting the NH3 slip condition, determining a temporary target deNOx efficiency for the SCR catalyst; and
injecting a second amount of the reductant in response to the temporary target deNOx efficiency while increasing the temporary target deNOx efficiency toward the target deNOx efficiency until at least one deNOx efficiency adjustment condition is satisfied, wherein the second amount of reductant is less than the first amount of reductant.

US Pat. No. 10,480,372

MIXER IN AN EXHAUST GAS SYSTEM

1. A static mixer in an exhaust system for a combustion engine and for the mixing of an additive injected into the exhaust system, comprising:a tubular housing encircling a central axis, the housing comprising an inlet opening at an end in a direction of the central axis and at an opposite end an outlet opening, wherein the inlet opening is used for the supply of additive injected into the exhaust system, the housing including a first circumferential closed edge at the end and a second circumferential closed edge at the opposite end, wherein the housing in relation to a plane orientated parallel to the central axis and at right angles to a main flow direction forms a tubular segment upstream of the plane featuring several openings in a radial direction to the central axis as perforations and forms a tubular segment downstream or in the main flow direction behind the plane, which comprises a recess in which several guiding plates are arranged, wherein the main flow direction is essentially at right angles to the central axis and the openings are opposite to the recess in regards to the main flow direction.

US Pat. No. 10,480,371

METERING MODULE FOR METERING A REDUCING AGENT

Robert Bosch GmbH, Stutt...

1. A dosing device for the introduction of a substance into a flow pipe of an internal combustion engine, the dosing device comprising an injection valve and a receiving device, the receiving device having a cooling body element that includes at least one thin-walled component that at least Partially defines a chamber to be charged with a cooling medium, wherein the injection valve and the receiving device are combined to form a structural unit, wherein the injection valve is, at a lower end in a region of a spray hole disk, directly connected cohesively and sealingly to the at least one thin-walled component of the cooling body element by a first weld seam, wherein a second weld seam cohesively and sealingly connects the injection valve, at an upper end, to a cover element of the receiving device.

US Pat. No. 10,480,369

EXHAUST AFTER-TREATMENT SYSTEM FOR DIESEL INTERNAL COMBUSTION ENGINES

FEV NORTH AMERICA INC., ...

1. An exhaust after-treatment system fluidically coupled to an exhaust pipe of a diesel internal combustion engine (ICE) for treating an exhaust gas, the exhaust after-treatment system comprising:a diesel oxidation catalyst (DOC) disposed in a downstream path of the exhaust gas produced by the diesel internal combustion engine;
a selective catalytic reduction (SCR) disposed downstream of said diesel oxidation catalyst;
an electrically heated catalyst (EHC) coupled to said diesel oxidation catalyst and configured to electrically heat said diesel oxidation catalyst for reducing an amount of time to reach a DOC light-off temperature;
a controller operably coupled with said diesel oxidation catalyst and said electrically heated catalyst and configured to supply electrical power to said electrically heated catalyst in response to a mid bed temperature of said diesel oxidation catalyst being less than a predetermined DOC temperature value and discontinue the supply of electrical power to said electrically heated catalyst in response to detected the mid bed temperature of said diesel oxidation catalyst being greater than the predetermined DOC temperature value;
an SCR coated diesel particulate filter (SDPF) disposed downstream of said diesel oxidation catalyst and upstream of said selective catalytic reduction (SCR);
a fuel dosing system disposed upstream of said diesel oxidation catalyst and configured to dose the path of exhaust gas; and
said controller operably coupled to said fuel dosing system and said SDPF and configured to operate said fuel dosing system in response to detecting a mid bed temperature of said SDPF being lower than a predetermined SDPF temperature value and said discontinued supply of electrical power to said electrically heated catalyst.

US Pat. No. 10,480,368

SYSTEMS AND METHODS FOR DETECTING EXHAUST AIR LEAK

Ford Global Technologies,...

1. A method for an engine, comprising:adjusting a diagnostic threshold of an oxygen sensor coupled downstream of an exhaust catalyst responsive to a measured pressure at a particulate filter coupled downstream of the oxygen sensor; and
responsive to an indication of degradation of the catalyst, which is responsive to a measured output of the oxygen sensor, reducing a peak-to-peak air-fuel ratio during an air-fuel ratio oscillation.

US Pat. No. 10,480,367

HYDRAULIC CIRCUIT SYSTEM FOR FORCED REGENERATION OF DIESEL PARTICULATE FILTER

DOOSAN INFRACORE CO., LTD...

1. A hydraulic circuit system for forced regeneration of a diesel particulate filter, the hydraulic circuit system comprising:an engine configured to generate power;
a diesel particulate filter provided in a path through which exhaust gas is discharged from the engine, and configured to purify the exhaust gas from the engine;
a hydraulic pump connected to the engine, and configured to discharge hydraulic oil using the power of the engine;
a main control valve including a spool, the main control valve is directly connected to the hydraulic pump via a hydraulic oil conduit and provided between the hydraulic pump and an actuator of a working machine, wherein the main control valve is configured to provide the hydraulic oil to the actuator of the working machine;
a regulator connected to the hydraulic pump, and configured to adjust an angle of a swash plate of the hydraulic pump based on an intensity of discharge pressure of the hydraulic oil from the hydraulic pump in order to control a discharge flow rate of the hydraulic oil from the hydraulic pump;
a hydraulic line directly connected to the hydraulic oil conduit and configured to provide the discharge pressure of the hydraulic oil from the hydraulic pump to the regulator; and
a forced regeneration valve provided in the hydraulic line, and configured to block, in a forced regeneration mode, the discharge pressure of the hydraulic oil provided to the regulator so that the discharge flow rate of the hydraulic oil from the hydraulic pump becomes the maximum.

US Pat. No. 10,480,364

VALVE SHIELD FOR AN INTERNAL COMBUSTION ENGINE

Ford Global Technologies,...

17. A method comprising:providing pressurized lubricant to a lubrication gallery defined in a cylinder head, the lubrication gallery intersecting a valve guide bore wall of the cylinder head;
directing lubricant from the lubrication gallery into a passage extending through an intermediate region of a valve guide from an outer wall to an inner wall;
lubricating a moving valve stem positioned within the valve guide by flowing lubricant from the passage into an entrance of a channel intersecting the inner wall and to an exit of the channel at a valve end of the guide, the channel following a curved path along the inner wall of the guide; and
sealing an interface between the outer wall of the valve guide and the valve guide bore wall of the head by positioning a first sealing member between the intermediate region of the valve guide and a port end of the valve guide, the first sealing member contacting the bore wall of the head and the outer wall of the guide.

US Pat. No. 10,480,363

CAM-SWITCHING DEVICE AND METHOD OF CONTROLLING CAM-SWITCHING DEVICE

ISUZU MOTORS LIMITED, To...

1. A cam-switching device that selectively switches between a first cam and a second cam to make valve characteristics of intake and exhaust valves of an engine variable,the first cam and the second cam being provided corresponding to each of the intake and exhaust valves and having different cam profiles,
each of the cam profiles being determined such that a first cam angle range where a valve lift amount of the first cam is greater than a valve lift amount of the second cam and a second cam angle range where a valve lift amount of the second cam is greater than a valve lift amount of the first cam are formed, and
the cam-switching device comprising:
a cam shaft configured to rotate in conjunction with a crank shaft of the engine and provided such that the first cam and the second cam rotate together;
a cam shaft moving unit comprising an intake-side slide groove and an intake-side electromagnetic solenoid, and an exhaust-side slide groove and an exhaust-side electromagnetic solenoid, configured to slide the cam shaft in an axial direction to selectively switch between the first cam and the second cam;
a cylinder resting unit comprising a rocker arm, a bracket, a hydraulic tappet, a needle, and a third electromagnetic solenoid, configured to stop opening and closing operations of the intake and exhaust valves to deactivate a cylinder; and
an electronic control unit (ECU) configured to control the cylinder resting unit to stop the opening and closing operations of the intake and exhaust valves in a same combustion cycle and control the cam shaft moving unit to start sliding the cam shaft in the first cam angle range in a case of switching from the first cam to the second cam, and to control the cylinder resting unit to stop the opening and closing operations of the intake and exhaust valves in the same combustion cycle and control the cam shaft moving unit to start sliding the cam shaft in the second cam angle range in a case of switching from the second cam to the first cam.

US Pat. No. 10,480,361

CAM PHASER HAVING A RETENTION FEATURE FOR AIDING ASSEMBLY

1. A cam phaser comprising:a stator;
a rotor positioned in the stator and including a locking pin;
a locking cover including a receiving element for receiving the locking pin;
a cover plate on an opposite side of the stator from the locking cover;
a check valve plate positioned between the stator and one of the locking cover or the cover plate, the check valve plate including a plurality of valve elements;
a plurality of first openings in each of the stator, the locking cover, and the check valve plate;
a plurality of second openings in the locking cover;
a third opening formed in the check valve plate; and
a retention feature for aligning components of the cam phaser during assembly, the retention feature including a tab on the check valve plate that extends into an indentation on at least one of the stator or the locking cover.

US Pat. No. 10,480,359

CAMSHAFT ADJUSTING DEVICE

1. A camshaft adjusting device, comprising a camshaft adjuster and a camshaft, the camshaft includes a camshaft end constructed both for receiving a first hydraulically actuatable camshaft adjuster with a first connection and for receiving a second hydraulically actuatable camshaft adjuster with a second connection that is different than the first connection, and the camshaft end has two different threads, each configured to receive a respective screw for the first connection or the second connection.

US Pat. No. 10,480,358

CONTINUOUSLY VARIABLE VALVE TIMING APPARATUS AND ENGINE PROVIDED WITH THE SAME

HYUNDAI MOTOR COMPANY, S...

1. A continuously variable valve timing apparatus comprising:a camshaft;
first and second cam portions having two cams formed thereto, the camshaft being inserted into the first and second cam portions, wherein relative phase angles with respect to the camshaft are variable;
first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions, respectively;
first and second slider housings having the first and second inner brackets rotatably inserted thereinto, respectively, and having relative positions with respect to the camshaft that are variable;
a cam cap rotatably supporting the first and second cam portions together with a cylinder head, wherein the first and second slider housings are slidably mounted to the cam cap;
a control shaft disposed parallel with the camshaft and configured to move the first and the second slider housings; and
a control portion configured to rotate the control shaft so as to change positions of the first and second inner brackets.

US Pat. No. 10,480,355

NATURAL GAS LIQUID FRACTIONATION PLANT WASTE HEAT CONVERSION TO SIMULTANEOUS POWER, COOLING AND POTABLE WATER USING MODIFIED GOSWAMI CYCLE AND NEW MODIFIED MULTI-EFFECT-DISTILLATION SYSTEM

Saudi Arabian Oil Company...

1. A system comprising:a waste heat recovery heat exchanger network comprising heat exchangers coupled to a a Natural Gas Liquid (NGL) fractionation plant, the NGL fractionation plant comprising a propane dehydration section comprising a propane dehydrator column and a de-propanizer section comprising a de-propanizer distillation column, wherein the heat exchangers comprise:
a first heat exchanger thermally coupled to the propane dehydration section to heat a first buffer stream using heat carried by a propane de-hydration outlet stream from the propane de-hydration section; and
a second heat exchanger thermally coupled to the de-propanizer section to heat a second buffer stream using heat carried by a de-propanizer overhead outlet stream, wherein the first buffer stream is a first type of buffer fluid, and wherein the second buffer stream is a second type of buffer fluid different than the first type; and
a first sub-system comprising a power turbine and heat exchangers, the first sub-system coupled to the waste heat recovery heat exchanger network and configured to generate power and sub-ambient cooling capacity using heat provided by the first buffer stream.

US Pat. No. 10,480,354

NATURAL GAS LIQUID FRACTIONATION PLANT WASTE HEAT CONVERSION TO SIMULTANEOUS POWER AND POTABLE WATER USING KALINA CYCLE AND MODIFIED MULTI-EFFECT-DISTILLATION SYSTEM

Saudi Arabian Oil Company...

1. A system comprising:a waste heat recovery heat exchanger network coupled to a plurality of heat sources of a Natural Gas Liquid (NGL) fractionation plant, the heat exchanger network configured to transfer at least a portion of heat generated at the plurality of heat sources to a first buffer fluid and a second buffer fluid flowed through the first heat exchanger network;
a first sub-system configured to generate power, the first sub-system thermally coupled to the waste heat recovery heat exchanger; and
a second sub-system configured to generate potable water from brackish water, the second sub-system thermally coupled to the waste heat recovery heat exchanger, and
a flow control system connected to the heat exchanger network and the first sub-system or the heat exchanger network and the second subsystem or the heat exchanger network, the first sub-system and the second sub-system, the control system configured to flow fluids between the NGL fractionation plant, the heat exchanger network one or both of the first sub-system or the second sub-system.

US Pat. No. 10,480,352

ORGANIC RANKINE CYCLE BASED CONVERSION OF GAS PROCESSING PLANT WASTE HEAT INTO POWER AND COOLING

Saudi Arabian Oil Company...

1. A method comprising:heating a heating fluid stream via a waste heat recovery exchanger by exchange with a heat source in a crude oil associated gas processing plant;
generating power and cooling capacity in an Organic Rankine cycle energy conversion system, comprising:
heating a first portion of a working fluid by exchange with the heated heating fluid stream via an energy conversion heat exchanger, the working fluid comprising iso-butane;
cooling one or more of a process stream from the crude oil associated gas processing plant and a cooling water stream for ambient air cooling by exchange with a second portion of the working fluid in a cooling subsystem;
in an ejector, combining the second portion of the working fluid from the cooling subsystem and a third portion of the working fluid, the third portion of the working fluid being a portion of the heated first portion of the working fluid;
adjusting with the ejector a ratio of an amount of working fluid in the third portion of the working fluid and an amount of working fluid in the fourth portion of the working fluid;
generating power by expansion of a fourth portion of the working fluid in a turbine coupled to a generator, the fourth portion of the working fluid being a portion of the heated first portion of the working fluid; and
cooling, in a cooling element, a stream of working fluid including an output stream of working fluid from the ejector and the expanded fourth portion of the working fluid from the turbine coupled to the generator.

US Pat. No. 10,480,351

SEGMENTED LINER

General Electric Company,...

1. A component of a turbomachine, the component comprising:an outer casing;
a liner radially inward of the outer casing, the liner comprising a plurality of discrete liner panels;
a plurality of radial support members extending radially inward from the outer casing; and
a plurality of axial support members disposed inward of the liner along a radial direction.

US Pat. No. 10,480,350

GEARED GAS TURBINE ENGINE WITH OIL DEAERATOR AND AIR REMOVAL

United Technologies Corpo...

1. A gas turbine engine comprising:a fan drive turbine driving a gear reduction, said gear reduction driving a fan rotor; and
a lubrication system supplying oil to said gear reduction, the lubrication system including a lubricant pump supplying an air/oil mixture to an inlet of a deaerator, said deaerator including a separator for:
separating oil and air,
delivering separated air to an air outlet, and
delivering separated oil back into an oil tank,
wherein said separated oil is first delivered into a pipe outwardly of the oil tank, and then into a location beneath a minimum desired oil level in the oil tank,
wherein air within the oil tank moves outwardly through an air exit into the deaerator;
an exit velocity from the deaerator of the separated air is less than or equal to 14 feet/second;
wherein said pipe includes a pipe outlet at least 2 inches (5.08 centimeters) below the minimum oil level but above an inset to an oil supply pipe within the tank; and
wherein a dwell time of oil the oil tank as removed by said oil pump, on average, is five seconds or less.

US Pat. No. 10,480,349

SYSTEM AND METHOD FOR DISTRIBUTING AND CONTROLLING OIL FLOW

BorgWarner Inc., Auburn ...

1. An exhaust gas turbocharger (10) comprising:a turbine section (14) including a turbine housing (18) having an exhaust gas inlet (20), an exhaust gas outlet (22), a turbine volute (24), and a turbine wheel (26) configured to be disposed in fluid communication with the exhaust gas inlet (20) and the turbine volute (24);
a compressor section (12) including a compressor cover (30) configured to define a compressor air inlet (32), a compressor air outlet (34), and a compressor volute (36); and a compressor wheel (38) configured to be disposed in fluid communication with the compressor air inlet (32) and the compressor volute (36);
a bearing housing (16) configured to be disposed between an fluidly connected to the turbine section (14) and the compressor section (12), the bearing housing (16) including an oil inlet (52) configured to be fluidly connected to an oil channel (54), and a bearing assembly (42) for rotatably supporting a shaft configured to be connected to the turbine wheel (26) and the compressor wheel (38); and
an oil flow means configured to be connected to the bearing housing (16) for controlling and metering oil flow to the bearing assembly (42), wherein the valve assembly comprises a stop (104) configured to be connected to a valve member (102), and a spring (106) configured to be positioned within the valve member (102), wherein the stop (104) further comprises a head (104a) having a stem (104b) configured to extend therefrom, the head (104a) is configured to be fixedly connected to the bearing housing (16) and the stem (104b) is configured to engage the valve member (102) such that oil flows to a single bearing component in addition to the bearing assembly (42).

US Pat. No. 10,480,347

DIVIDED BAFFLE FOR COMPONENTS OF GAS TURBINE ENGINES

UNITED TECHNOLOGIES CORPO...

1. A divided baffle for a gas turbine engine, the divided baffle comprising:a baffle body having a first end and a second end;
at least one divider located within the baffle body and extending from the first end to the second end arranged to divide an interior of the baffle body into two or more feed cavities;
at least one cap arranged at the first end to bound a first feed cavity of the two or more feed cavities; and
at least one cap arranged at the second end to bound a second feed cavity of the two or more feed cavities.

US Pat. No. 10,480,344

VALVE MODULE, AND STEAM TURBINE AND POWER GENERATION SYSTEM INCLUDING THE SAME

Doosan Heavy Industries C...

1. A valve module comprising a case enclosing a flow space into which fluid is introduced; a control valve disposed in the flow space and configured to control an amount of the fluid flowing through the flow space; and a stop valve disposed in the flow space below the control valve, the stop valve including:a stem configured to reciprocate rectilinearly between a first position and a second position,
a stop valve disc mounted to an upper portion of the stem and configured to pass fluid when the stem is in the first position and to block fluid flow when the stem is in the second position, the stop valve disc including a bottom side having an inner circumference and an inward lip extending from the inner circumference at an inclination angle and terminating at a distal end, and
a sealing member surrounding the stem and configured to prevent exposure of the stem when the stop valve disc is located at the first position, the sealing member including a protruding portion extending upward and flaring outward at the inclination angle of the inward lip, the protruding portion terminating at a distal end that meets the distal end of the inward lip when the stop valve disc is located in the first position.

US Pat. No. 10,480,342

GAS TURBINE ENGINE WITH HEALTH MONITORING SYSTEM

Rolls-Royce Corporation, ...

1. A gas turbine engine comprisinga turbine case arranged around a central axis of the gas turbine engine and formed to include an outer keyway extending in a radial direction through the turbine case,
an annular carrier formed to define a radially inwardly-opening carrier channel, the annular carrier including an outer pin receiver that extends through the annular carrier to allow pressurized cooling air to pass through the annular carrier into the radially inwardly-opening carrier channel,
a one-piece annular runner aligned axially with the annular carrier to block access into the radially inwardly-opening carrier channel and to cooperate with the radially inwardly-opening carrier channel to define a buffer chamber configured to receive the pressurized cooling air and to route the pressurized cooling air around the one-piece annular runner, and
a health monitoring system including a conduit configured to direct the pressurized cooling air through the turbine case and the annular carrier into the buffer chamber, a valve connected to the conduit, a pressure sensor configured to measure an air pressure in the buffer chamber, and a controller coupled to the valve to open and close the valve in response to signals received from the pressure sensor to modulate the pressurized cooling air directed into the buffer chamber,
wherein the pressure sensor includes a transducer located outside of the buffer chamber and a pressure tube having a first end coupled to the transducer and a second end in fluid communication with the buffer chamber and located in the buffer chamber such that the second end terminates in the buffer chamber.

US Pat. No. 10,480,341

RUN-IN COATING FOR AN OUTER AIR SEAL OF A TURBOMACHINE

MTU AERO ENGINES AG, Mun...

1. A run-in coating for an outer air seal of a turbomachine, wherein the run-in coating comprises a substrate of segmented form which carries a honeycomb structure with a run-in surface to face rotor blades of a rotor of the turbomachine, and wherein a radial thickness of the honeycomb structure varies in circumferential direction.

US Pat. No. 10,480,340

SEALING ELEMENT FOR A TURBO-MACHINE, TURBO-MACHINE COMPRISING A SEALING ELEMENT AND METHOD FOR MANUFACTURING A SEALING ELEMENT

17. A method for manufacturing a sealing element for a turbomachine, comprising:printing a honeycomb structure using a metallic 3D printing process, for arrangement inside a housing for a rotating structural component, including:
printing a plurality of honeycomb walls, wherein the plurality of honeycomb walls are linear, and the plurality of honeycomb walls extend continuously and radially from an inner circumference of the sealing element to an outer circumference of the sealing element, wherein the inner circumference of the sealing element is a radially innermost portion of the sealing element facing the rotating structural component and the outer circumference of the sealing element is a radially outermost portion of the sealing element closest to the housing for the rotating structural component;
wherein the printing of the plurality of honeycomb walls forms a plurality of cells, wherein each of the plurality of cells includes portions of a certain number of the plurality of honeycomb walls;
printing a plurality of support structures formed as transverse walls connected to the plurality of honeycomb walls, wherein the transverse walls are positioned between inner and outer circumferences of the honeycomb structure, wherein the plurality of support structures includes:
a plurality of inner support structures and a plurality of outer support structures which define radially inner and outer boundaries of the plurality of cells, respectively;
wherein each cell of the plurality of cells has a radially inner boundary with respect to a radial direction of the rotating structural component, wherein the radially inner boundary is defined by an inner support structure; and
wherein each of cell of the plurality of cells further comprises a radially innermost point of the radially inner boundary, wherein the radially innermost point of a first cell of the plurality of cells is offset in a radial direction from the radially innermost point of an adjacent second cell of the plurality of cells, and wherein the adjacent second cell is one at least one chosen from axially or circumferentially adjacent to the first cell; and
wherein the first cell is a closed, fluid-tight cell.

US Pat. No. 10,480,339

SEALING ASSEMBLY

Doosan Heavy Industries C...

1. A sealing assembly, comprising:a first sealing member disposed on an inner circumferential surface of a fixed body;
a second sealing member disposed on an outer circumferential surface of a rotating body configured to rotate with respect to the first sealing member, the second sealing member including
a sealing body part disposed on the outer circumferential surface of the rotating body, and
a tooth part disposed on the sealing body part and including a spiral, the spiral including a spiral segment having opposite ends offset from each other; and
a fluid barrier formed between the first sealing member and the second sealing member by transfer fluid flowing in a direction reverse to a direction of a fluid leak,
wherein the spiral includes a step portion connecting the opposite ends of the spiral segment, the step portion configured to push rotating fluid toward an introduction side of the leaked fluid to form the fluid barrier in a gap between the first sealing member and the second sealing member.

US Pat. No. 10,480,338

BLADED ROTOR ARRANGEMENT INCLUDING AXIAL PROJECTION

ROLLS-ROYCE PLC, London ...

1. A bladed rotor arrangement comprising:a rotor including a plurality of circumferentially-spaced, axially-extending slots in a periphery of the rotor, the rotor having a first axial end and a second axial end;
a plurality of rotor blades mounted on the periphery of the rotor, each rotor blade of the plurality of rotor blades including:
an aerofoil,
a platform having at least one radially inwardly extending flange,
a shank, and
a root disposed in a corresponding axially-extending slot of the plurality of axially-extending slots of the rotor;
a first seal plate and a second seal plate, the first seal plate being disposed at the first axial end of the rotor and having a projection inserted axially into a secondary slot disposed in a first axial end of the root of a rotor blade of the plurality of rotor blades, the root of the rotor blade of the plurality of rotor blades surrounding each circumferential-facing surface of the inserted projection; and
a plurality of first lock plates disposed at the first axial end of the rotor, each lock plate of the plurality of first lock plates having a radially inner end and a radially outer end, the radially outer end of each first lock plate of the plurality of first lock plates engaging at least one first groove formed by at least one flange of the platforms of the plurality of rotor blades, the radially inner end of each first lock plate of the plurality of first lock plates engaging a circumferentially extending second groove formed by the first seal plate.

US Pat. No. 10,480,335

COMPRESSOR TURBINE VANE AIRFOIL PROFILE

1. A compressor turbine vane for a gas turbine engine comprising an airfoil having a portion defined by a nominal profile in accordance with Cartesian coordinate values of X, Y, and Z of Sections 3 to 9 set forth in Table 2, wherein a point of origin of orthogonally related axes X, Y and Z is located at an intersection of a centerline of the gas turbine engine and a stacking line of the turbine vane, the Z values are radial distances measured along the stacking line, the X and Y values are coordinate values defining the profile at each distance Z.

US Pat. No. 10,480,334

AIRFOIL WITH GEOMETRICALLY SEGMENTED COATING SECTION

UNITED TECHNOLOGIES CORPO...

1. An airfoil comprising:an airfoil body having a geometrically segmented coating section, the geometrically segmented coating section including
a wall having an outer side, the outer side including an array of cells that are closed-sided, and
a coating disposed in the array of cells, wherein the geometrically segmented coating section is on a portion of the airfoil section, and an adjacent portion of the airfoil section includes the coating but excludes the cells.

US Pat. No. 10,480,333

TURBINE BLADE INCLUDING BALANCED MATEFACE CONDITION

United Technologies Corpo...

1. A blade for a gas powered turbine comprising:a platform having a leading edge and a trailing edge, the leading edge being connected to the trailing edge by a suction side mateface and by a pressure side mateface;
a blade extending outward from said platform, the blade having an airfoil shaped cross section, wherein a suction side of the blade faces the suction side mateface, and a pressure side of the blade faces the pressure side mateface; and
a radial height of the suction side mateface is different from a radial height of the pressure side mateface at a first axial position, and wherein a difference between the radial height of the suction side mateface and the radial height of the pressure side mateface at the first axial position is an ideal disparity for a balanced manufacturing range at the first axial position.

US Pat. No. 10,480,331

AIRFOIL HAVING PANEL WITH GEOMETRICALLY SEGMENTED COATING

UNITED TECHNOLOGIES CORPO...

1. An airfoil comprising:an airfoil section defining an airfoil profile, the airfoil section including a core skeleton, a distinct panel attached with the core skeleton and forming a portion of the airfoil profile, the distinct panel having a geometrically segmented coating section, the geometrically segmented coating section including
a wall having an outer side, the outer side including an array of cells, and
a coating disposed in the array of cells.

US Pat. No. 10,480,330

BLADE RUB MATERIAL

United Technologies Corpo...

1. A rub material (124) comprising:a polymeric matrix (128);
polymeric micro-balloons (130) in the matrix; and
polymeric fiber (140) at 5-33% by volume in the matrix.

US Pat. No. 10,480,329

AIRFOIL TURN CAPS IN GAS TURBINE ENGINES

UNITED TECHNOLOGIES CORPO...

1. A vane of a gas turbine engine comprising:a hollow body having a pressure side and a suction side and the hollow body having a first up-pass cavity and a first down-pass cavity, the hollow body having an inner diameter end and an outer diameter end, the first up-pass cavity including a first pressure side airfoil passage arranged along the pressure side of the hollow body and a first suction side airfoil passage arranged along the suction side of the hollow body, the first up-pass cavity having a flow direction from the inner diameter end toward the outer diameter end and the first down-pass cavity having a flow direction from the outer diameter end toward the inner diameter end, the first down-pass cavity defined between external walls of the pressure side and the suction side of the hollow body;
a first airfoil platform arranged at the outer diameter end of the hollow body, the first airfoil platform having a gas path surface and a non-gas path surface, wherein the hollow body extends from the gas path surface of the first airfoil platform;
a first up-pass cavity opening formed in the non-gas path surface of the first airfoil platform fluidly connected to the first up-pass cavity;
a first down-pass cavity opening formed in the non-gas path surface of the first airfoil platform fluidly connected to the first down-pass cavity; and
a first turn cap fixedly attached to the first airfoil platform on the non-gas path surface covering the first up-pass cavity opening and the first down-pass cavity opening of the first airfoil platform, the first turn cap having:
exterior side walls, the exterior side walls extending between a forward-end of the turn cap and an aft-end of the turn cap;
an exterior top wall extending between the exterior side walls and between the forward-end and the aft-end of the turn cap; and
a first divider located within the first turn cap extending from the exterior top wall and positioned between the exterior side walls and defining a first suction-side turn passage between the exterior side wall and the first divider and a first pressure-side turn passage between the exterior side wall and the first divider, wherein the first divider fluidly separates the first pressure-side turn passage from the first suction-side turn passage within the first turn cap, wherein the first divider extends from the forward-end of the turn cap toward the aft-end of the turn cap and separates the first pressure-side turn passage and the first suction-side turn passage,
wherein a merging chamber is formed in the turn cap proximate the aft-end of the turn cap,
wherein, in operation, a fluid flow passes radially through the first pressure side airfoil passage of the first up-pass cavity into the first pressure-side turn passage proximate the forward-end of the turn cap and fluid flows radially through the first suction side airfoil passage of the first up-pass cavity into the first suction-side turn passage proximate the forward-end of the turn cap,
wherein, in operation, the fluid flow flows axially once entering the respective first pressure-side turn passage and first suction-side turn passage toward the aft-end of the turn cap,
wherein, in operation, the fluid flow passing-flows axially through the first suction side turn passage and the first pressure side turn passage and are merged at the merging chamber in an axial direction proximate the aft-end of the turn cap, and
wherein, in operation, the fluid flow is turned from an axial flow to a radial flow within the merging chamber and directed radially into the first down-pass cavity of the hollow body.

US Pat. No. 10,480,325

BALANCED MIXED FLOW TURBINE WHEEL

BorgWarner Inc., Auburn ...

1. A mixed flow turbine wheel for a turbocharger comprising:a hub extending in an axial direction between a nose and a partial back wall, said partial back wall including a peripheral edge at its circumference, wherein said hub defines an axis of rotation extending in said axial direction;
a plurality of turbine blades, which extend beyond said peripheral edge of said partial back wall are coupled to said hub and disposed in a circumferential direction generally at equal intervals around said axis of rotation, wherein the mixed flow turbine wheel is constructed and arranged to allow for a fluid flow in an axial and a radial direction through the mixed flow turbine wheel; wherein each turbine blade of the plurality of turbine blade includes a tip that extends beyond the peripheral edge of the partial back wall, and
at least one scallop cut formed in said peripheral edge of said partial back wall for balancing said turbine wheel, wherein said at least one scallop cut is asymmetrically positioned along said peripheral edge and wherein at least a portion of the scallop cut extends all the way through the partial back wall, and wherein the at least one scallop cut is not balanced by a similar at least one scallop cut on the opposite side of the wheel.

US Pat. No. 10,480,322

TURBINE ENGINE WITH ANNULAR CAVITY

General Electric Company,...

1. A turbine engine comprising:an outer casing having a first surface facing an interior of the outer casing and defining an axial centerline;
an engine core provided within the interior of the outer casing and having a first set of blades and a second set of blades axially spaced from the first set of blades, both sets circumferentially arranged about the axial centerline, and through which gasses flow in a forward to aft direction;
an outer drum located within the outer casing and having a second surface spaced from the first surface to define an annular cavity between the first and second surfaces;
a set of seals extending between the first surface and the second surface to define at least one cooled cavity within the annular cavity; and
a set of flow passages provided in the outer drum and fluidly coupling the at least one cooled cavity to the interior.

US Pat. No. 10,480,320

OVAL BAR

MINOVA INTERNATIONAL LIMI...

1. A manually bendable rebar bolt for use in ground reinforcement, said rebar cable bolt comprising:a steel rod having a length and a width and a cross-sectional area taken along said width generally perpendicular to said length, said cross-sectional area having an oval or elliptical shape including a long axis and a short axis;
whereby said oval or elliptical shape of said cross-sectional area allows a user to manually bend said steel rod in a direction generally perpendicular to said long axis;
wherein a ratio of said short axis to said long axis is at least about 0.6 and less than 0.8;
wherein a length of said long axis is less than or equal to 0.9 inches and a length of said short axis is greater than or equal to 0.6 inches.

US Pat. No. 10,480,316

DOWNHOLE FLUID ANALYSIS METHODS FOR DETERMINING VISCOSITY

SCHLUMBERGER TECHNOLOGY C...

1. A downhole tool comprising:a pressure sensor to measure pressures of formation fluid within a flowline during a pumping phase, a sample chamber filling phase, a pressure build-up phase, and a probe retraction phase of a sampling operation;
a viscosity sensor to measure viscosities of the formation fluid within the flowline during the pumping phase, the sample chamber filling phase, the pressure build-up phase, and the probe retraction phase;
a controller configured to execute instructions stored within the downhole tool to determine a pressure-viscosity profile based on the measured pressures and viscosities; and
a display communicatively coupled to the controller and configured to display a graphical representation of the pressure-viscosity profile.

US Pat. No. 10,480,315

AVERAGE/INITIAL RESERVOIR PRESSURE AND WELLBORE EFFICIENCY ANALYSIS FROM RATES AND DOWNHOLE PRESSURES

SCHLUMBERGER TECHNOLOGY C...

7. The method of claim 4 wherein the reservoir characteristics depend on a formation volume factor, B, and the change corresponds to a change in the reservoir effective permeability.

US Pat. No. 10,480,314

WELL TREATMENT

SCHLUMBERGER TECHNOLOGY C...

1. A method, comprising:quantifying a pore-scale heterogeneity of a porous medium, wherein the pore-scale heterogeneity is an overall variance of pore-size distribution;
determining an adjusted pore volume to breakthrough based on the pore scale heterogeneity;
using the pore-scale heterogeneity and the adjusted pore volume to breakthrough to design a stimulating fluid treatment for the porous medium; and
performing the stimulating fluid treatment by injecting a stimulating fluid into a subterranean formation.

US Pat. No. 10,480,313

MULTICOLOR FLUORESCENT SILICA NANOPARTICLES AS TRACERS FOR PRODUCTION AND WELL MONITORING

BAKER HUGHES, A GE COMPAN...

1. A method of determining a property within a subterranean formation, the method comprising:introducing silica nanoparticles into a well;
obtaining a sample of a fluid produced from the well; and
analyzing the sample for presence of the silica nanoparticles,
wherein the silica nanoparticles comprise a silica core, a donor chromophore, an acceptor chromophore, and an outer silica shell;
the donor chromophore and the acceptor chromophore being selected such that an emission spectrum of the donor chromophore overlaps with an absorption spectrum of the acceptor chromophore.

US Pat. No. 10,480,311

DOWNHOLE INTERVENTION OPERATION OPTIMIZATION

BAKER HUGHES, A GE COMPAN...

1. A method performed by a system for generating an intervention program for a downhole formation, the system having a drill string operable within the downhole formation to drill a borehole through the formation, and a control unit arranged to control the drill string and configure to perform method steps, the method comprising:collecting mud-gas ratio data during a drilling operation, wherein the drilling operation forms a borehole through the formation;
generating zone characterization of one or more zones along the borehole based on the collected mud-gas ratio data;
defining targeted zones of the one or more zones along the borehole;
generating a treatment characterization for each targeted zone based on the collected mud-gas ratio data; and
generating an intervention treatment design based on the targeted zones and associated treatment characterizations.

US Pat. No. 10,480,309

METHODS AND SYSTEMS EMPLOYING FIBER OPTIC SENSORS FOR ELECTROMAGNETIC CROSS-WELL TELEMETRY

Halliburton Energy Servic...

1. A system that comprises:a drillstring with a bottom hole assembly;
an electromagnetic (EM) transmitter disposed on the bottom hole assembly in a first borehole and configured to emit an EM field and a data stream;
a plurality of fiber optic sensors deployed in a second borehole, wherein each of the plurality of fiber optic sensors are configured to measure the EM field and the data stream; and
a processor configured to demodulate the data stream emitted by the EM transmitter based on EM field measurements collected by the at least one fiber optic sensor and find a distance from the EM transmitter to each of the plurality of fiber optic sensors to determine a position of the bottom hole assembly in the first borehole.

US Pat. No. 10,480,306

CEMENT EVALUATION WITH NEUTRON-NEUTRON MEASUREMENT

Halliburton Energy Servic...

1. A method comprising:mixing neutron absorbing dopant material with cement flurry for an annular cement structure in a borehole;
performing a neutron-neutron measurement in the borehole, the borehole surrounded by a casing, the annular cement structure, and a formation;
generating a measured pattern from the neutron-neutron measurement, the measured pattern including measured near and far counts of neutrons and measured near count to far count ratio of neutrons;
comparing the measured pattern to a corresponding expected pattern, the corresponding expected pattern including expected near and far counts of neutrons representing cement without voids and an expected near count to far count ratio of neutrons representing cement without voids; and
evaluating quality of the cement from the comparison.

US Pat. No. 10,480,305

AUTOMATED WELL TEST VALIDATION

ExxonMobil Upstream Resea...

1. A diagnostic apparatus configured to communicate with a well test system comprising a plurality of wells in a field, comprising:a receiving component configured to receive well test data from the well test system;
a transmitting component configured to transmit an abnormal well test signal indication;
at least one processor configured to communicate with the transmitting component and the receiving component; and
a memory coupled to the at least one processor, wherein the memory comprises instructions that when executed by the at least one processor are configured to:
obtain well test data from the well test system;
segment the well test data into purge period data and test period data;
extract one or more features from the well test data, wherein the one or more features comprise quality assurance data, filling-dumping cycle identification data, water cut data, flow rate change data, expected flow rate data, test duration data, and combinations thereof;
calculate a first water cut from the test period data, wherein the first water cut comprises a ratio of water to oil entering the multiphase separator;
calculating a second water cut from the test period data, wherein the second water cut is representative of a ratio of water to oil leaving the multiphase separator
compare the one or more features, the first water cut, and the second water cut, to one or more well test descriptors stored in the memory;
identify the well test data as an abnormal well test result based at least in part on the comparison of the one or more features with the one or more well test descriptors;
determine, based at last in part on the comparison of the one or more features with the one or more well test descriptors, an explanation of the abnormal well test result, a root cause of the abnormal well test result, a recommended course of action in response to the abnormal well test result, or any combination thereof; and
instruct the transmitting component to transmit an indication of the abnormal well test result to a recipient and to transmit the explanation of the abnormal well test result, the root cause of the abnormal well test result, the recommended course of action, or a combination thereof to the recipient.

US Pat. No. 10,480,303

SYSTEMS AND METHODS FOR RECOVERING AN UNFRACTIONATED HYDROCARBON LIQUID MIXTURE

Linde Aktiengesellschaft,...

1. A method of recovering a fluid, comprising:transporting a recovery system to a wellsite;
connecting the recovery system to a wellhead at the wellsite;
recovering a hydrocarbon stream from a hydrocarbon bearing reservoir via the wellhead, wherein the hydrocarbon stream has not been previously injected into the hydrocarbon bearing reservoir;
separating natural gas from the hydrocarbon stream at the wellsite; and
separating an unfractionated hydrocarbon liquid mixture from the hydrocarbon stream at the wellsite, wherein the unfractionated hydrocarbon liquid mixture is a by-product of the hydrocarbon stream from which the natural gas has been separated and comprises ethane, propane, butane, isobutane, pentane plus, and condensate, and wherein the hydrocarbon stream further comprises of at least one of condensate, water, carbon dioxide, and hydrogen sulfide.

US Pat. No. 10,480,302

FRACTURING AND IN-SITU PROPPANT INJECTION USING A FORMATION TESTING TOOL

Halliburton Energy Servic...

1. A method for fracturing a wellbore, the method comprising:deploying a downhole tool into a wellbore, the downhole tool comprising:
a downhole tool housing;
a compartment positioned within the housing, the compartment comprising:
a proppant slurry housing containing a proppant slurry, the proppant slurry comprising proppant and fracture fluid;
a pressurized tank in fluid communication with the proppant slurry housing; and
a piston separating the proppant slurry housing and pressurized tank;
a pump positioned within the housing, the pump being in fluid communication with the proppant slurry housing and pressurized tank; and
a probe to isolate a zone of a wall of the wellbore, the probe being in fluid communication with the compartment;
forming one or more fractures along the wellbore using the pressurized tank or pump; and
injecting the proppant slurry into the fractures using the pressurized tank.

US Pat. No. 10,480,299

DOWNHOLE CHEMICAL INJECTION METHOD AND SYSTEM FOR USE IN ESP APPLICATIONS

Saudi Arabian Oil Company...

1. A damage resistant apparatus for enhancing production from a well, the apparatus comprising:a chemical injection pump component operable to be disposed in the well; and
an electric submersible pump component, the electric submersible pump component including:
an electric pump having a top electric pump portion and a bottom electric pump portion,
a seal having a top seal portion and bottom seal portion,
an electric submersible pump motor having a top electric submersible pump motor portion and a bottom electric submersible pump motor portion, and
a monitoring tool having a top monitoring tool portion and a bottom monitoring tool portion,
the electric pump having an electric pump intake operable to receive production fluids, the top seal portion adapted to be connected to the bottom electric pump portion and the bottom seal portion adapted to be connected to the top electric submersible pump motor portion, the bottom electric submersible pump motor portion adapted to be connected to the top monitoring tool portion,
the bottom monitoring tool portion adapted to be connected to the chemical injection pump component, the chemical injection pump component including a chemical injection pump motor having a top chemical injection pump motor portion and a bottom chemical injection pump motor portion, and a chemical pump having a top chemical pump portion and a bottom chemical pump portion, the chemical injection pump having an intake port connected to a capillary tube extending from the intake port to a surface of the well, the capillary tube configured to receive an inhibitor from a tank at the surface,
the bottom chemical injection pump motor portion adapted to be connected to the top chemical pump portion, and the top chemical injection pump motor portion adapted to be connected to the bottom monitoring tool portion such that the inhibitor is pumped into the well in suitable amounts so as to protect the electric submersible pump component from downhole conditions.

US Pat. No. 10,480,297

HYDROCARBON WELLS AND METHODS COOPERATIVELY UTILIZING A GAS LIFT ASSEMBLY AND AN ELECTRIC SUBMERSIBLE PUMP

ExxonMobil Upstream Resea...

1. A hydrocarbon well, comprising:a wellbore extending between a surface region and a subterranean formation that includes a reservoir fluid;
a downhole tubular defining a tubular conduit and extending within the wellbore;
an electric pumping assembly including an electric submersible pump (ESP) and an ESP tubular defining an ESP conduit, wherein:
(i) the ESP includes an ESP inlet configured to receive the reservoir fluid into the ESP, wherein the ESP is configured to pressurize the reservoir fluid to generate a pumped reservoir fluid stream, and further wherein the ESP includes an ESP outlet configured to discharge the pumped reservoir fluid stream from the ESP;
(ii) the ESP is operatively attached to the ESP tubular such that the ESP conduit receives the pumped reservoir fluid stream from the ESP outlet; and
(iii) the electric pumping assembly is positioned within the tubular conduit such that the ESP tubular and the downhole tubular define an annular space therebetween, wherein the ESP tubular fluidly isolates the ESP conduit from the annular space;
an electric power source in electrical communication with the ESP and configured to provide an electric current to the ESP to power the ESP; and
a gas lift assembly including:
(i) a lift gas source configured to generate a lift gas stream;
(ii) a lift gas injection point configured to inject the lift gas stream into the annular space to generate a gas lifted reservoir fluid stream, wherein the lift gas injection point is uphole from the ESP inlet; and
(iii) a lift gas supply conduit configured to convey the lift gas stream from the lift gas source to the lift gas injection point.