US Pat. No. 10,458,441

ROTARY PISTON ACTUATOR ANTI-ROTATION CONFIGURATIONS

Woodward, Inc., Fort Col...

9. A method of assembling a rotary actuator, the method comprising:receiving a first assembly comprising:
a housing comprising a radial recess formed in an external peripheral surface of the housing and an interior surface that defines an arcuate chamber, the arcuate chamber comprising a cavity, a fluid port in fluid communication with the cavity, and an open end, the housing comprising a mounting lug that projects radially outward from a cylindrical exterior portion of the housing at a mounting end of the housing, the mounting lug providing a mounting point for removably affixing the rotary actuator to an external mounting surface;
a rotor assembly rotatably journaled in the housing and comprising a rotary output shaft and a rotor arm extending radially outward from the rotary output shaft through the radial recess; and
an arcuate-shaped piston disposed in the housing for reciprocal movement in the arcuate chamber through the open end, wherein a seal, the cavity, and the piston define a pressure chamber, and a portion of the piston connects to the rotor arm;
receiving a support ring comprising a second mounting lug that projects radially outward from a cylindrical exterior portion of the support ring;
positioning the support ring about a cylindrical exterior portion of the housing at a supporting end of the housing axially opposed to the mounting end;
energizing the rotor assembly;
urging rotation of the rotary output shaft;
urging rotation of the rotor arm; and
urging motion of a member to be actuated.

US Pat. No. 10,458,440

FLAPPER AND ARMATURE/FLAPPER ASSEMBLY FOR USE IN A SERVOVALVE

HAMILTON SUNDSTRAND CORPO...

1. A servovalve comprising a flapper, said flapper comprising:an elongated cylindrical component that extends along a longitudinal axis (114L) from a first end (217) to a second end (218), the elongated cylindrical component having a length (L1) extending between said first end (217) and said second end (218), the elongated cylinder component being formed of a first segment (215) comprising a first material and a second segment (216) comprising a second material,
wherein said first segment (215) and said second segment (216) extend longitudinally along at least a part (L2) of said length (L1),
wherein the first material has a first coefficient of thermal expansion and the second material has a second coefficient of thermal expansion, and
wherein the first and second coefficients of thermal expansion are different than each other;
further comprising a supply nozzle (15S) and a return nozzle (15R) and wherein said flapper (114) is positioned within said servovalve so that said first material (215) of the flapper faces said supply nozzle (15S) and said second material (216) of the flapper (114) faces said return nozzle (15R).

US Pat. No. 10,458,439

METERING FLUID TO FLUID ACTUATORS

Schlumberger Technology C...

4. A method comprising:directing a fluid from a fluid source into a first portion of a chamber until a piston moves from a first end of the chamber to a second end of the chamber to:
introduce a volume of fluid into the first portion of the chamber; and
discharge the fluid from the second portion of the chamber; and
directing the fluid from the fluid source into the second portion of the chamber until the piston moves from the second end of the chamber to the first end of the chamber to:
introduce the fluid into the second portion of the chamber; and
discharge the volume of fluid out of the first portion of the chamber into a hydraulic actuator to actuate the hydraulic actuator by an incremental distance, wherein the hydraulic actuator is a first hydraulic cylinder connected to a second hydraulic cylinder, wherein a third hydraulic cylinder is connected to the second hydraulic cylinder, and wherein the method further comprises:
alternatingly directing the fluid from the fluid source into one of the first and second portions of the chamber to repeatedly actuate the first and third hydraulic cylinders until the second hydraulic cylinder is aligned with a mast or a substructure of a drill rig utilized in oilfield operations to permit connection between the second hydraulic cylinder and the mast or the substructure;
connecting the second hydraulic cylinder with the mast or the substructure; and
operating the second hydraulic cylinder to raise the mast or the substructure.

US Pat. No. 10,458,438

CENTRIFUGAL COMPRESSOR

MITSUBISHI HEAVY INDUSTRI...

1. A centrifugal compressor, comprising:a rotational shaft;
a main casing surrounding at least a part of the rotational shaft, the main casing having an inlet and an outlet separated from each other in an axial direction of the rotational shaft and an annular space surrounding a section of the rotational shaft at a side of the inlet and communicating with the inlet, wherein a fluid to be compressed before compression flows in the annular space;
at least one impeller disposed in a fixed state to the rotational shaft inside the main casing;
a flow guide member disposed inside the annular space and extending along the axial direction of the rotational shaft, the flow guide member having a flow guide element extending along a radial direction of the rotational shaft and having a predetermined blade width in the axial direction of the rotational shaft;
a plurality of injection holes disposed along the flow guide member and separated from one another along the axial direction of the rotational shaft; and
a flow path which extends inside the annular space and through which a cleaning fluid to be supplied to the plurality of injection holes is capable of flowing.

US Pat. No. 10,458,437

AIR BLOWER

SHARP KABUSHIKI KAISHA, ...

1. An air blower, comprising:a casing having an intake port and a discharge port;
an air-blowing fan disposed inside the casing to take in air through the intake port and discharge air from the discharge port; and
a filter filtering the air taken in through the intake port, wherein
an insect trapper trapping an insect is disposed in a ventilation path between the intake port and the filter
the casing comprises:
a first casing holding the air-blowing fan; and
a second casing attached to the first casing in a detachable manner, and
the insect trapper is held in the second casing in a replaceable manner.

US Pat. No. 10,458,436

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 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 radially outwardly of a span location corresponding to a maximum deflection point for a natural vibration mode of a fan blade having a baseline profile and wherein the second span position is located radially inwardly of the maximum deflection point, wherein the first span position is located at a distance away from the hub not exceeding 90% of the total span length, and the second span position is located at a distance away from the hub exceeding 50% of the total span length.

US Pat. No. 10,458,435

VIBRATION DAMPER STRUCTURE AND FAN THEREOF

ASIA VITAL COMPONENTS CO....

1. A vibration damper structure applied to a fan having at least one bearing, the vibration damper structure comprising:a support body having an upper end supporting the bearing and a lower end formed with a stepped section and a restriction section formed on an outer circumference of the stepped section;
a fixing seat having a tubular section and a fixing section disposed on an outer circumference of the tubular section, the tubular section having a protrusion end corresponding to the outer circumference of the stepped section and defining an axial cushion gap with the restriction section and a receiving space having a bottom section, where the stepped section is fitted in the protrusion end; and
an elastic member disposed in the receiving space of the tubular section and positioned between the support body and the fixing seat, the elastic member having a first support end in contact with the lower end of the support body and a second support end in contact with the bottom section of the receiving space.

US Pat. No. 10,458,434

ROTOR STAGE FOR A TURBOMACHINE, ROTOR DRUM, AND ROTOR

MTU Aero Engines AG, Mun...

1. A rotor stage for a turbomachine comprising:a plurality of rotor blades;
a rotor main body having an upstream rotor arm and a downstream rotor arm and a balancing assembly for balancing the rotor stage, and having a rotor disk between the upstream rotor arm and the downstream rotor arm;
wherein the downstream rotor arm has the balancing assembly, the balancing assembly being configured between an axial end region of the downstream rotor arm and the rotor disk, wherein the upstream rotor arm includes a spin-off hole.

US Pat. No. 10,458,433

CO-MOLDED METALLIC FAN CASE CONTAINMENT RING

United Technologies Corpo...

1. A method of fabricating a fan case for a gas turbine engine, the method comprising:providing a metallic ring including an outer surface and an inner surface;
wrapping a first composite material about the outer surface of the metallic ring;
inserting the metallic ring wrapped in the first composite material at an axial position within a cylinder formed from a second composite material that is different than the first composite material;
forming a first subassembly by curing the first composite material and the second material about the metallic ring within a tool, wherein the tool applies heat and pressure to the first composite material, the second composite material and the metallic ring; and
removing the first subassembly from the tool.

US Pat. No. 10,458,432

TURBOCHARGER COMPRESSOR ASSEMBLY WITH VANED DIVIDER

Garrett Transportation I ...

1. A compressor assembly of a turbocharger, the compressor assembly comprising:a compressor housing that comprises a compressor wheel space and a diffuser section that extends from the compressor wheel space to at least one volute;
a dual-faced compressor wheel disposed at least in part in the compressor wheel space wherein the dual-faced compressor wheel comprises a first compressor wheel face and a second compressor wheel face oriented back-to-back; and
a diffuser section divider disposed at least in part in the diffuser section wherein the diffuser section divider comprises a first side that defines a first diffuser that comprises a first set of vanes associated with the first compressor wheel face and a second side that defines a second diffuser that comprises a second set of vanes associated with the second compressor wheel face, wherein each of the vanes of the first set of vanes comprises a leading edge lean angle that exceeds a leading edge lean angle of each of the vanes of the second set of vanes.

US Pat. No. 10,458,431

VOLUTES FOR ENGINE MOUNTED BOOST STAGES

Hamilton Sundstrand Corpo...

1. A volute for a jet engine mounted boost pump comprising:a circumferentially extending volute defining a plurality of cross sections defined in a housing, wherein the cross sections are defined by a set of dimensions set out in at least one of TABLES 1-3, wherein Alpha is an angular measure circumferentially around the volute starting from a point where a diffuser section is tangent to a main volute section, h is a radial channel span distance in the volute, h_0 is a radial span in an exit bend of the volute, rbase is a radius from an axis of rotation of an impeller that rotates within the pump housing to a radially inward extreme of the volute, b is a volute thickness measured in a direction parallel to the axis, R is an inner radius of the exit bend of the volute measured from a point C having Cartesian coordinates O1_X, O2_Y, and O3_Z, and Beta is an angle angular measure circumferentially around the point C of radius R measured starting from an angle 10° from being parallel to alpha equals 0°.

US Pat. No. 10,458,430

CENTRIFUGAL-COMPRESSOR CASING AND CENTRIFUGAL COMPRESSOR

MITSUBISHI HEAVY INDUSTRI...

1. A centrifugal-compressor casing comprising:a casing body configured to rotatably support a rotation shaft and an impeller fixed to the rotation shaft around an axis of the rotation shaft, the casing body in which an intake volute which has a ring shape centered on the axis and through which a fluid is caused to flow in a direction of the axis and is introduced into a flow channel of the impeller, and a discharge volute which has a ring shape centered on the axis and through which the fluid is discharged from the flow channel of the impeller are formed;
a plurality of intake nozzles which communicate with the intake volute and are able to cause the fluid to flow into the intake volute from the outside of the casing body and are provided at intervals in a circumferential direction around the rotation shaft; and
an outer casing which covers the casing body,
wherein the plurality of intake nozzles include a main intake nozzle that is provided in the outer casing at one part in the circumferential direction around the rotation shaft and an auxiliary intake nozzle that is provided in the outer casing apart from the main intake nozzle in the circumferential direction around the rotation shaft, and
wherein the centrifugal-compressor casing further includes a bypass line which connects the main intake nozzle and the auxiliary intake nozzle and through which the fluid is able to flow.

US Pat. No. 10,458,428

FAN BLADES AND MANUFACTURE METHODS

United Technologies Corpo...

1. A airfoil member (100) comprising:a substrate (120) along at least a portion of an airfoil (102) of the airfoil member;
a sheath (122) having a channel (144) receiving a portion (160) of the substrate and wherein the sheath forms a leading edge (110) of the airfoil; and
a plurality of separate spacers (320; 380; 400) formed as separate pieces between the sheath and the substrate and having a plurality of gaps between the spacers.

US Pat. No. 10,458,427

COMPRESSOR AEROFOIL

Siemens Aktiengesellschaf...

1. A compressor aerofoil comprising:a suction surface wall comprising a suction surface and a pressure surface wall comprising a pressure surface, the suction surface wall and the pressure surface wall meet at a leading edge and a trailing edge and define a tip comprising a tip surface, the compressor aerofoil comprises a maximum thickness Tmax,
a mean camber line defined as passing through the leading edge and the trailing edge, and
a winglet at the tip and which extends from the suction surface, the winglet comprises an overhang W that comprises a perpendicular extent from the suction surface in a range 0.1Tmax to 1.99Tmax,
the winglet comprises a maximum overhang Wmax that occurs within 50% of a length of the mean camber line from the leading edge,
wherein the winglet comprises a leading portion and a trailing portion, and
wherein the trailing portion comprises a step back from the suction surface towards the pressure surface.

US Pat. No. 10,458,426

AIRCRAFT FAN WITH LOW PART-SPAN SOLIDITY

General Electric Company,...

1. A method of operating a fan of the type including a disk disposed inside an annular casing, the disk rotatable about an axial centerline and carrying a row of fan blades, wherein each of the fan blades includes an airfoil having spaced-apart pressure and suction sides extending radially in span from a root to a tip, and extending axially in chord between spaced-apart leading and trailing edges, the row including no more than 21 and no less than 13 of the fan blades, wherein each of the fan blades has a solidity defined by a ratio of the airfoil chord to a circumferential pitch of the fan blades, measured at 90% of a radial distance from the axial centerline, to the tip, of no greater than about 1.2 and no less than about 1.0, the method comprising:powering the fan to propel an aircraft in level cruise flight, such that a relative Mach number at the tips of the fan blades is greater than 1.0, and such that a ratio of the solidity measured at 90% of the radial distance from the axial centerline to the tip, to the relative Mach number at the same radial location, is less than about 0.90.

US Pat. No. 10,458,425

CONICAL LOAD SPREADER FOR COMPOSITE BOLTED JOINT

General Electric Company,...

1. A gas turbine engine fan blade platform comprising:a forward portion, an aft portion and a transition portion therebetween;
a mounting feature for securing the fan blade platform to a disk;
a platform air flow surface on an opposite side of the fan blade platform from the mounting feature;
the mounting feature having an increased section thickness in the transition portion;
one or more platform mounting holes extending through the increased section thickness in the transition portion;
one or more conical countersinks centered about one or more centerlines of the one or more platform mounting holes respectively extending into the transition portion;
a clamping means including a conical load spreader with a center bolt hole disposed in each of the one or more conical countersinks for securing the transition portion of the fan blade platform to the disk, the conical load spreader defining a counterbore extending into a top of the conical load spreader and a shoulder at a bottom of the counterbore;
a bolt having a bolthead disposed entirely within the counterbore; and
a filler disposed in the counterbore between the bolthead and a counterbore surface.

US Pat. No. 10,458,424

CENTRIFUGAL FAN

MINEBEA MITSUMI INC., Na...

1. A centrifugal fan comprising:an impeller having a plurality of pins extending in an axial direction;
a rotor yoke formed with a plurality of through-holes through which the pins penetrate, the rotor yoke being joined to the impeller as the pins penetrate through the through-holes; and
a circuit board arranged in a state having a gap with respect to the rotor yoke,
wherein
an end of each of the pins protrudes from the rotor yoke to a side of the circuit board,
the plurality of pins are arranged with uneven pitch in a circumferential direction of the impeller, and
an outer edge of the circuit board extends outside of the pins in a radial direction of the centrifugal fan.

US Pat. No. 10,458,423

IMPELLER AND FAN INCLUDING THE IMPELLER

Minebea Mitsumi Inc., Na...

1. An impeller comprising:a hub having a ring shape; and
a plurality of blades that are provided on an outer periphery of the hub,
wherein a blade of the plurality of blades has a trailing edge formed such that an inner side of a radial width of the blade is curved in a direction opposite to a rotation direction, in a plan view as viewed in a direction of a rotation axis,
wherein in the plan view as viewed in the direction of the rotation axis, the blade has a leading edge that is curved in the rotation direction, and
wherein in the plan view as viewed in the direction of the rotation axis, the leading edge is formed such that an outer end of the leading edge is located closer to a side in the rotation direction than a straight line connecting the rotation center and a hub-side end of the leading edge.

US Pat. No. 10,458,422

TURBINE ENGINE PROVIDED WITH A LUBRICATION UNIT

SAFRAN AIRCRAFT ENGINES, ...

1. A turbine engine including two rotary shafts and a lubrication unit comprising at least one pump which comprises a casing inside of which a rotor is mounted and driven by one of said rotary shafts, the pump casing being rotated by the other of said rotary shafts such that the actuation of the pump depends on the difference between rotational speeds of the rotary shafts, wherein the rotary shafts are a drive shaft and a fan shaft, respectively, the fan shaft being driven by the drive shaft by an annular reduction gear which is lubricated by the lubrication unit, the pump axially passing through the reduction gear and the fan shaft, and wherein the casing of the pump is coupled by splines to the fan shaft and the rotor of the pump is coupled by splines or knucklebones to the drive shaft.

US Pat. No. 10,458,421

COOLING FAN ILLUMINATED WITH ADDRESSABLE LEDS

1. A cooling fan for use in a host electronic device having a fan controller, the cooling fan comprising:a frame having a central cavity;
an impeller positioned within the central cavity and driven by an electric motor; and
a plurality of LEDs positioned around a periphery of the central cavity for illuminating the impeller, the LEDs individually-addressable by a fan controller, the fan controller driving time-variable individually-addressable illumination of each of the LEDs based on a digital signal generated by a host electronic device central processing unit and transmitted to the fan controller to control fan illumination.

US Pat. No. 10,458,420

METHOD FOR CONTROLLING MOTOR-DRIVEN COMPRESSOR CONFIGURED TO BE INSTALLED IN VEHICLE

KABUSHIKI KAISHA TOYOTA J...

2. A motor-driven compressor configured to be installed in a vehicle, comprising:an electric motor driven with supply of electric power from a battery; and
a control section that controls drive of the electric motor, wherein
the control section has an upper limit value of an increase rate of a number of revolutions per unit time of the electric motor and an upper limit value of a decrease rate of the number of revolutions per unit time of the electric motor,
the control section sets a target number of revolutions and controls the electric motor to be driven such that the number of revolutions of the electric motor becomes equal to the target number of revolutions,
if the control section sets the target number of revolutions to a number of revolutions of the electric motor requested by another control section, the control section changes the number of revolutions of the electric motor at an increase rate lower than or equal to the upper limit value of the increase rate or a decrease rate lower than or equal to the upper limit value of the decrease rate, and
if the control section sets the target number of revolutions to a number-of-revolution limit value determined based on a voltage of the battery, the control section is able to decrease the number of revolutions of the electric motor at a decrease rate that exceeds the upper limit value of the decrease rate.

US Pat. No. 10,458,419

TRANSMISSION DEVICE OF FAN

AIR COOL INDUSTRIAL CO., ...

1. A transmission device of a fan, the fan comprising a motor for swinging the fan back and forth and a connecting rod for swinging the fan back and forth, the motor being connected with a spindle through at least one gear, the spindle being fixedly connected to a central axis of the transmission device, the connecting rod being connected to an eccentric position of the transmission device, enabling the fan to be swung back and forth in a swing direction by the motor, the transmission device comprising:a first casing, having a first annular surface corresponding to an axial direction of the spindle, the first annular surface of the first casing being provided with a plurality of spaced and raised press portions and an engaging recess formed between every adjacent two of the press portions;
a second casing, pivotally connected to the first casing, the second casing having a second annular surface corresponding to the first annular surface of the first casing, the second annular surface being formed with at least one accommodation hole corresponding to the engaging recess;
at least one elastic member, disposed in the accommodation hole of the second casing; and
at least one press member, disposed in the accommodation hole of the second casing;
wherein when the fan is swung back and forth, the press member is biased by the elastic member so that one end of the press member is exposed out of the accommodation hole to engage with the engaging recess of the first casing, wherein the press member can be disengaged from the engaging recess of the first casing by an applied force from the adjacent two press portions, the applied force is at least equal to a force exerted by a user to change the angle of the fan in the swing direction, wherein the first casing is provided with a first axial hole corresponding to the spindle, the spindle is pivotally connected to the first axial hole, the second casing is provided with a second axial hole corresponding to the spindle, and the spindle is fixed to the second axial hole.

US Pat. No. 10,458,418

CEILING FAN

PANASONIC ECOLOGY SYSTEMS...

1. A ceiling fan comprising:a body having a plurality of blades which are rotatable about a center of rotation, and an upper mounting pipe portion which extends upward along the center of rotation as a center axis thereof;
a suspender configured to be fixed to a ceiling;
a first pipe which is suspended from the suspender along the center of rotation of the plurality of blades as a center axis thereof, and suspends the body by the upper mounting pipe portion; and
a second pipe which is accommodated in an inside of a lower portion of the first pipe and into which an upper portion of the upper mounting pipe portion is inserted, wherein
the first pipe, the second pipe and the upper mounting pipe portion are connected to each other by a connecting bolt and a nut, the connecting bolt penetrating an overlapping part where the first pipe, the second pipe and the upper mounting pipe portion overlap with each other in the direction intersecting with the center axis, the nut being threadedly engaged with the connecting bolt,
the second pipe has a hollow projecting portion having a cylindrical shape or a partial cylindrical shape which projects from an outer peripheral surface of the second pipe in the direction intersecting with the center axis,
a recessed portion which is brought into contact with or is arranged close to an outer peripheral surface of the hollow projecting portion of the second pipe is provided on an edge of a lower opening of the first pipe,
a protruding portion which is brought into contact with or is arranged close to an inner peripheral surface of the hollow projecting portion of the second pipe is provided on an outer peripheral surface of the upper mounting pipe portion, and
at least the relative movement among the first pipe, the second pipe, and the upper mounting pipe portion in the rotating direction of the plurality of blades is restricted by the hollow projecting portion of the second pipe.

US Pat. No. 10,458,417

CENTRIFUGAL FAN WITH AXIAL-FLOW WIND

DELTA ELECTRONICS, INC., ...

1. A centrifugal fan with axial-flow wind, comprising:a centrifugal fan wheel having:
a rotating core structure comprising a fan hub, an axle and a bottom plate, the axle being mounted on an internal side of the fan hub and installed in an axial direction of the fan hub, the bottom plate being extended in a radial direction of the fan hub; and
a plurality of centrifugal vanes arranged around the fan hub, each of the centrifugal vanes comprising a root portion installed on the bottom plate and a distal end extending from the root portion outwardly away from the axle and beyond an external periphery of the bottom plate;
a cover shell over an exterior of the centrifugal fan wheel, an internal side of the cover shell having a circular wind guide surface disposed around the rotating core structure and over the centrifugal vanes, and a wind inlet formed at a top of the cover shell; and
a fixed base provided for installing the centrifugal fan wheel and being coupled to the cover shell, a gap formed between a bottom of the cover shell and an external periphery of the fixed base defining a wind outlet,
wherein
the distal end is exposed to the wind outlet so that air is fed in the axial direction from the wind inlet and exited from the axial direction and along an external periphery of the centrifugal fan wheel,
the fan hub is connected to the bottom plate along a substantially circular connection line by a plurality of legs, the fan hub and the bottom plate comprise corresponding sidewalls that define a plurality of broken holes, the broken holes of the plurality of broken holes are separated from one another by the plurality of legs, and the broken holes of the plurality of broken holes are arranged around the fan hub along the substantially circular connection line, and
the distal end is twisted toward a forward direction of the centrifugal fan wheel so as to guide wind from a centrifugal direction to the axial direction.

US Pat. No. 10,458,416

APPARATUS AND METHOD FOR MONITORING A PUMP

Siemens Aktiengesellschaf...

11. A non-transitory computer program product including a computer program executing on a processing device to monitor a pump, said program comprising:software code portions for receiving at least one signal representing an operational parameter of the pump;
software code portions for estimating an estimated output quantity data value of the pump based on a signal of the operational parameter;
software code portions for receiving the estimated output quantity data value from a control module;
software code portions for processing the received estimated output quantity data value by the support vector machine based module to provide a processed estimated output quantity data value based on a combined H-Q-SVM model via the support vector machine based module;
software code portions for supplying the processed received estimated output quantity data value instead of the estimated output quantity data value of the control module for subtraction;
software code portions for receiving the processed estimated output quantity data value from the support vector machine based module;
software code portions for receiving a measured output quantity data value of the pump provided by a sensor;
software code portions for providing a difference data value by subtracting the processed estimated output quantity data value from the received measured output quantity data value;
software code portions for comparing the difference data value with a predetermined threshold value and providing a corresponding comparison result;
software code portions for outputting an error status signal of the pump based on a result of the comparison.

US Pat. No. 10,458,415

THREADED CONNECTION FOR TANDEM MOTORS OF ELECTRICAL SUBMERSIBLE PUMP

Baker Hughes, a GE Compan...

1. An electrical submersible pump assembly, comprising:a plurality of modules including a pump, at least one motor, and a pressure equalizer coupled to the motor for reducing a pressure differential between lubricant in the motor and hydrostatic pressure of well fluid;
a drive shaft subassembly extending from the at least one motor into the pump along a longitudinal axis of the pump assembly;
a threaded connection between first and seconds ones of the modules, comprising:
a first adapter mounted to the first one of the modules and having threads;
a second adapter mounted to the second one of the modules, the second adapter having a tubular body, a neck of smaller diameter than the body extending from the body, an external shoulder at a base of the neck, a rim on the neck, and an external groove between the external shoulder and the rim;
a collar rotatably carried and axially movable on the neck, the collar being in threaded engagement with the threads of the first adapter, the collar having an internal groove axially spaced and separated from a portion of the collar having threads; and
a shoulder ring carried partly in the external groove and partly in the internal groove to retain the collar on the neck, the shoulder ring being split and biased into one of the internal or external grooves.

US Pat. No. 10,458,414

AUTOMOTIVE ELECTRIC LIQUID PUMP

PIERBURG PUMP TECHNOLOGY ...

1. An automotive electric liquid pump comprising:a separation can comprising a radial inside which comprises a first static bearing ring;
a pump rotor;
a motor rotor configured to rotate in the separation can, the motor rotor comprising a radial outside which comprises a cylindrical rotor bearing ring, the first static bearing ring of the separation can being configured to correspond to the cylindrical rotor bearing ring of the motor rotor;
a first radial slide bearing defined by the cylindrical rotor bearing ring and the first static bearing ring;
motor coils configured to drive the motor rotor, the motor coils being arranged on a radial outside of the separation can; and
a separate rotor shaft configured to support the motor rotor, the separate rotor shaft being at least one of disposed radially inside the motor rotor and disposed along the axial length of the motor rotor,
wherein,
the first static bearing ring of the separation can and the cylindrical rotor bearing ring of the motor rotor are each arranged to at least partially overlap axially with the motor coils.

US Pat. No. 10,458,413

PUMPING APPARATUS

NIDEC SANKYO CORPORATION,...

1. A pumping apparatus, comprising: an impeller; a rotor, installed with the impeller and having a driving magnet; a stator, formed in a tubular shape and disposed on an outer circumference side of the rotor, and having a driving coil; a pump chamber, disposed with the impeller and the rotor, and allowing a fluid to pass through; a partition wall member, disposed between the stator and the pump chamber, and preventing the fluid in the pump chamber from flowing into a position where the stator is disposed; a circuit board, disposed outside the pump chamber, and secured on the partition wall member; and a resin sealing member made by a resin, covering the stator and the circuit board, andthe stator comprising: an insulation member; a stator core, having a plurality of salient poles, wherein the driving coil is wound on the plurality of salient poles through the insulation member; and a plurality of terminal pins, electrically connected to an end portion of the driving coil, and disposed in parallel to an axial direction of the stator formed in the tubular shape,
wherein the stator has a first side and a second side opposite to the first side, one direction of the axial direction is set as a first direction and an opposite direction of the first direction is set as a second direction, the first side of the stator that faces the first direction is set as a first direction side and the second side of the stator that faces the second direction is set as a second direction side,
the circuit board is secured on a portion of the partition wall member on the first direction side and disposed closer to the first direction side than the stator core and the insulation member,
a portion of the terminal pin on the first direction side is secured to the circuit board,
a portion of the terminal pin on the second direction side is secured to the insulation member,
a first contact surface facing the first direction side is formed on the insulation member,
a second contact surface is formed on the partition wall member, the second contact surface faces the second direction side, and the first contact surface is in contact with the second contact surface to restrict a movement of the stator in the first direction,
wherein a third contact surface facing the second direction side is formed on the insulation member,
a fourth contact surface is formed on the partition wall member, the fourth contact surface faces the first direction side, and the third contact surface is in contact with the fourth contact surface to restrict a movement of the stator in the second direction,
the stator core comprises an outer circumference ring formed in a ring shape and a plurality of the salient poles protruding from the outer circumference ring to an inner side of a radial direction of the stator,
the third contact surface is formed on an axial covering portion, and the axial covering portion covers a part of the outer circumference ring in a circumferential direction of the stator from the second direction side,
the partition wall member comprises a cylindrical portion disposed between the rotor and the stator, a bottom for sealing an end of the cylindrical portion in the first direction, and a flange portion expended from an end of the cylindrical portion in the second direction to an outer side of the stator in the radial direction,
wherein the first contact surface is formed on the axial covering portion, and
the second contact surface and the fourth contact surface are formed on the flange portion.

US Pat. No. 10,458,412

HERMETIC COMPRESSOR HAVING A THERMAL ACTIVATED VALVE

LG ELECTRONICS INC., Seo...

9. A hermetic compressor, comprising:a casing having a hermetic inner space;
an orbiting scroll provided in the inner space of the casing and performing an orbiting motion;
a non-orbiting scroll engaged with the orbiting scroll to form compression chambers;
a high/low pressure dividing plate that divides the inner space of the casing into a high pressure portion and a low pressure portion; and
an overheat preventing unit coupled to a surface of the high/low pressure dividing plate at the high pressure portion, the overheat preventing unit having a communication hole formed through the high/low pressure dividing plate to communicate the high pressure portion and the low pressure portion with each other, wherein the communication hole is selectively opened and closed according to a temperature variation of the high pressure portion, wherein the overheat preventing unit includes:
a body coupled to the high/low pressure dividing plate, the body provided with the communication hole;
a valve stopper coupled to the body and forming a valve space therebetween; and
a valve accommodated in the valve space to open and close the communication hole, wherein the body includes:
a mounting portion having the valve mounted thereon;
a side wall extending from an edge of the mounting portion into an annular shape to form the valve space together with an upper surface of the mounting portion and to which the valve stopper is coupled;
a coupling portion that protrudes from a valve accommodating portion and coupled to the high/low pressure dividing plate in an insertion manner, wherein the communication hole is formed through the coupling portion, wherein the valve stopper is formed with a first gas hole communicating with the high-pressure portion so that a first side of the valve is in contact with a refrigerant of the high-pressure portion, and wherein the mounting portion is formed with a second gas hole communicating with the high-pressure portion so that a second side of the valve contacts the refrigerant of the high-pressure portion.

US Pat. No. 10,458,411

COMPRESSOR DEVICE AND A COOLER THEREBY USED

ATLAS COPCO AIRPOWER, NAA...

1. A compressor device for compressing gas in two or more stages, wherein the compressor device comprises:at least two compressor elements connected in series; and
at least two coolers for cooling the compressed gas,
wherein each cooler is provided with a primary section through which the compressed gas to be cooled is guided and a secondary section that is in heat-exchanging contact with the primary section and through which coolant is guided,
wherein at least two of the coolers are split coolers whose secondary section is split into at least two separate stages to cool the gas that is guided through the primary section in successive stages, respectively at least a hot stage for a first cooling of the compressed gas that flows into the primary section of the coolers and a cold stage for the further cooling of the compressed gas,
wherein the stages of the secondary sections of the coolers are connected together in one or more separate cooling circuits such that the compressed gas between the compressor elements is cooled, with a minimum coolant flow rate through the cooling circuits, to keep the temperature of the compressed gas at the outlet of each cooler below a maximum permissible value and thereby having a predetermined temperature increase of the coolant in at least one of the cooling circuits,
wherein at least two of the cold stages of the secondary sections of the coolers are connected together in series in a cooling circuit through which a coolant is guided,
wherein the coolant in the cooling circuit is first guided through the cold stages and then through the hot stages.

US Pat. No. 10,458,410

LOW-BACKPRESSURE ROTARY COMPRESSOR

GUANGDONG MEIZHI COMPRESS...

1. A low-backpressure rotary compressor, comprising:a shell defining an air exhausting port and an air returning port therein;
a compression mechanism disposed within the shell, and comprising:
a piston;
a cylinder assembly having at least one cylinder, each of the at least one cylinder being provided with said piston therein and having a sliding vane chamber, the sliding vane chamber being provided with an oil supply hole;
a main bearing disposed on a first end surface of the cylinder assembly;
a supplementary bearing disposed on a second end surface of the cylinder assembly; and
a sliding vane defining a front end abutting against a peripheral wall of the piston and a trailing end,
wherein the trailing end of the sliding vane stretches into or out of the sliding vane chamber when the sliding vane moves reciprocatingly, such that an interior volume of the sliding vane chamber changes between a maximum volume V2 and a minimum volume V1;
an oil separator configured to separate oil including lubricating oil and gas from a refrigerant discharged from the at least one cylinder; and
an oil pool configured to collect the lubricating oil separated by the oil separator, and communicating with the oil supply hole via an oil supply path for the sliding vane, wherein a ratio of the minimum volume V1 to the maximum volume V2 satisfies a following relationship: 35%?V1/V2?85%.

US Pat. No. 10,458,409

COMPRESSOR HAVING A SLEEVE GUIDE ASSEMBLY

Emerson Climate Technolog...

12. A compressor comprising:a shell;
a bearing housing fixed within the shell, the bearing housing including a central body and a plurality of arms extending radially outward from the central body, each of the plurality of the arms having a first aperture;
a non-orbiting scroll including a plurality of second apertures;
an orbiting scroll supported on the bearing housing and meshingly engaged with the non-orbiting scroll;
a plurality of bushings each having a third aperture, each of the plurality of second apertures in the non-orbiting scroll receiving at least two of the plurality of bushings; and
a plurality of fasteners rotatably securing the non-orbiting scroll relative to the bearing housing, each of the plurality of fasteners extending through the third apertures of the plurality of corresponding bushings and are received in a corresponding one of the first apertures in the bearing housing,
wherein an axial end of a first one of the at least two of the plurality of bushings inside each of the plurality of second apertures abuts an axial end of a second one of the at least two of the plurality of bushings inside each of the plurality of second apertures such that the first one of the at least two of the plurality of bushings is stacked upon the second one of the at least two of the plurality of bushings.

US Pat. No. 10,458,408

ROTARY COMPRESSOR HAVING COMMUNICATION PATH HOLE OVERLAP WITH DISCHARGE CHAMBER CONCAVE PORTION

FUJITSU GENERAL LIMITED, ...

1. A rotary compressor, comprising:a sealed vertically-placed cylindrical compressor housing in which a discharge pipe for discharging refrigerant is provided in an upper portion thereof and an upper inlet pipe and a lower inlet pipe for sucking refrigerant are provided in a side surface lower portion thereof; an accumulator which is fixed to a side portion of the compressor housing and is connected to the upper inlet pipe and the lower inlet pipe; a motor which is disposed in the compressor housing; and a compressing unit which is disposed in a lower side of the motor in the compressor housing, is driven by the motor to suck and compress refrigerant from the accumulator via the upper inlet pipe and the lower inlet pipe, and discharges the compressed refrigerant from the discharge pipe,
wherein the compressing unit includes
an annular upper cylinder and an annular lower cylinder,
an upper end plate which closes an upper side of the upper cylinder and a lower end plate which closes a lower side of the lower cylinder,
a intermediate partition plate which is disposed between the upper cylinder and the lower cylinder and closes a lower side of the upper cylinder and an upper side of the lower cylinder,
a rotation shaft which is supported by a main bearing unit provided on the upper end plate and a sub-bearing unit provided on the lower end plate and which is rotated by the motor,
an upper eccentric portion and a lower eccentric portion which are provided to the rotation shaft with a phase difference of 180° with respect to each other,
an upper piston which is fitted in the upper eccentric portion and revolves along an inner circumferential surface of the upper cylinder to form an upper cylinder chamber in the upper cylinder,
a lower piston which is fitted in the lower eccentric portion and revolves along an inner circumferential surface of the lower cylinder to form a lower cylinder chamber in the lower cylinder,
an upper vane which protrudes from an upper vane groove provided in the upper cylinder into the upper cylinder chamber and abuts on the upper piston to divide the upper cylinder chamber into an upper inlet chamber and an upper compression chamber,
a lower vane which protrudes from a lower vane groove provided in the lower cylinder into the lower cylinder chamber and abuts on the lower piston to divide the lower cylinder chamber into a lower inlet chamber and a lower compression chamber,
an upper end plate cover which covers the upper end plate, forms an upper end plate cover chamber between the upper end plate and the upper end plate cover, and includes an upper end plate cover discharge hole for communicating the upper end plate cover chamber and an inside portion of the compressor housing with each other,
a lower end plate cover which covers the lower end plate and forms a lower end plate cover chamber between the lower end plate and the lower end plate cover,
an upper discharge hole which is provided in the upper end plate and communicates the upper compression chamber and the upper end plate cover chamber with each other,
a lower discharge hole which is provided in the lower end plate and communicates the lower compression chamber and the lower end plate cover chamber with each other, and
a refrigerant path hole which passes through the lower end plate, the lower cylinder, the intermediate partition plate, the upper end plate and the upper cylinder and communicates the lower end plate cover chamber and the upper end plate cover chamber with each other, and
the rotary compressor, further comprising:
an upper discharge valve accommodation concave portion which is provided in the upper end plate and extends in a groove shape from a position of the upper discharge hole;
a lower discharge valve accommodation concave portion which is provided in the lower end plate and extends in a groove shape from a position of the lower discharge hole;
a reed valve type upper discharge valve of which a rear end portion is fixed by an upper rivet in the upper discharge valve accommodation concave portion and a front portion opens and closes the upper discharge hole and an upper discharge valve cap of which a rear end portion is overlapped with the upper discharge valve and is fixed in the upper discharge valve accommodation concave portion by the upper rivet and a front portion is warped to regulate opening degree of the upper discharge valve; and
a reed valve type lower discharge valve of which a rear end portion is fixed by a lower rivet in the lower discharge valve accommodation concave portion and a front portion opens and closes the lower discharge hole and a lower discharge valve cap of which a rear end portion is overlapped with the lower discharge valve and is fixed in the lower discharge valve accommodation concave portion by the lower rivet, a front portion is warped to regulate opening degree of the lower discharge valve, and is accommodated in the lower discharge valve accommodation concave portion,
wherein the lower end plate cover is formed in a flat plate shape,
wherein a lower discharge chamber concave portion is formed in the lower end plate so as to overlap the lower discharge hole side of the lower discharge valve accommodation concave portion, and the lower discharge chamber concave portion is formed in a fan-like range between a diametrical line which passes through a center of the sub-bearing unit and a midpoint of a line segment which connects a center of the lower discharge hole and a center of the lower rivet to each other and a diametrical line which is opened by a pitch angle 90° in a direction of the lower discharge hole about a center of the sub-bearing unit,
wherein at least a portion of the refrigerant path hole overlaps with the lower discharge chamber concave portion and is disposed at a position communicating with the lower discharge chamber concave portion, and
wherein the lower end plate cover chamber is configured by the lower discharge chamber concave portion and the lower discharge valve accommodation concave portion.

US Pat. No. 10,458,407

SCROLL COMPRESSOR WITH DIFFERENT CHAMFERED CORNERS

Mitsubishi Electric Corpo...

1. A scroll compressor, comprising:a fixed scroll including a first base plate portion and a first spiral blade provided to stand on one surface of the first base plate portion;
an orbiting scroll including a second base plate portion and a second spiral blade provided to stand on a surface of the second base plate portion opposite to the fixed scroll, and is configured to perform an orbiting motion with respect to the fixed scroll, the first spiral blade and the second spiral blade being in mesh with each other to form a compression chamber;
a first chamfered portion formed at each of both corner portions of a distal end portion of the first spiral blade;
a second chamfered portion formed at each of both corner portions of a distal end portion of the second spiral blade;
a third chamfered portion formed on each of both sides of a bottom portion of the first spiral blade, the third chamfered portion having a same shape as a shape of the second chamfered portion; and
a fourth chamfered portion formed on each of both sides of a bottom portion of the second spiral blade, the fourth chamfered portion having a same shape as a shape of the first chamfered portion,
a chamfer dimension of the first chamfered portion and a chamfer dimension of the second chamfered portion being different from each other.

US Pat. No. 10,458,406

SEAL ARRANGEMENT FOR A SWITCHABLE VANE CELL PUMP OF CARTRIDGE DESIGN

MAGNA POWERTRAIN BAD HOMB...

11. A vane cell pump of cartridge design which is configured such that it can be switched into multiple flows, comprising:a side plate disposed about an axis and having an outer circumference, and defining a first fluid connection for receiving a first fluid flow of the vane cell pump, a second fluid connection spaced from the first fluid connection for receiving a second fluid flow of the vane cell pump, and a shaft leadthrough spaced from the first and second fluid connections for receiving a drive shaft;
a first seal disposed about the outer circumference of the side plate of the vane cell pump;
a projection extending axially from the side plate and disposed about the shaft leadthrough;
a second seal extending about the projection and fixed in place about the shaft leadthrough by the projection and sealing the shaft leadthrough; and
a third seal positioned about and sealing the second fluid connection relative to the first fluid connection, wherein the third seal does not surround the second seal and the shaft leadthrough.

US Pat. No. 10,458,405

SYSTEMS AND METHODS UTILIZING A GROOVELESS FLUID END FOR HIGH PRESSURE PUMPING

Strom, Inc., Houston, TX...

1. A system for a pressure pumping structure, the system comprising:a spring retainer with a stem;
a keeper being configured to stabilize a cylinder head, the keeper including a body with a planar rear face positioned on a first face of the keeper and a projection positioned on a second face of the keeper, the planar rear face being configured to be positioned adjacent to the cylinder head, and the projection extending in a direction perpendicular to the body of the keeper is being configured to be inserted into the stem, wherein a first axis of rotation associated with the keeper is not coaxial with a second axis of rotation associated with the cylinder head, the keeper being positioned between the stem and the cylinder head, the first face of the keeper and the second face of the keeper being positions on opposite sides of each other.

US Pat. No. 10,458,404

COMPRESSOR SENSOR MODULE

Emerson Climate Technolog...

1. A sensor module for a compressor having an electric motor connected to a power supply, the sensor module comprising:a first input connected to a first voltage sensor that generates a voltage signal corresponding to a voltage of said power supply;
a second input connected to a first current sensor that generates a current signal corresponding to a current of said power supply; and
a processor connected to said first and second inputs that monitors said first and second inputs and that, based on voltage measurements from said first input and current measurements from said second input, detects an unexpected variation of electric power from said power supply;
wherein said processor is disposed within an electrical enclosure of said compressor, said electrical enclosure being configured to house electrical terminals for connecting said power supply to said electric motor,
wherein said power supply includes first, second, and third phases, wherein said voltage signal generated by said first voltage sensor corresponds to said first phase, and wherein said current signal generated by said first current sensor corresponds to said first phase, said sensor module further comprising:
a third input connected to a second voltage sensor that generates a voltage signal corresponding to a voltage of said second phase; and
a fourth input connected to a third voltage sensor that generates a voltage signal corresponding to a voltage of said third phase;
wherein said processor is connected to said third and fourth inputs and detects said unexpected variation of electric power from said power supply based on voltage measurements received from said third and fourth inputs,
wherein said unexpected variation of electric power includes a phase-loss condition, and
wherein said processor compares voltage measurements received from said first, third, and fourth inputs and determines that said phase-loss condition exists when voltage measurements from said first input are less than a predetermined percentage of an average of voltage measurements from said third and fourth inputs.

US Pat. No. 10,458,403

SERVO PUMP CONTROL SYSTEM AND METHOD

EATON INTELLIGENT POWER L...

1. A servo pump control system for a physical model including an electric motor and a hydraulic pump connected to a load and actuated by the electric motor, the system comprising: a pressure sensor installed at an output of the hydraulic pump and detecting an output pressure of the hydraulic pump; a pressure controller for commissioning a plurality of parameters including: a PID controller receiving the output pressure of the hydraulic pump and generating a first parameter; and a torque controller receiving a second parameter and a third parameter; the pressure controller configured to receive a first control signal, the first control signal including a pressure command signal set by a user; and directly or indirectly provide a second control signal to the electric motor to control the electric motor, the second control signal including a torque control signal generated by the torque controller; and the pressure controller further configured to automatically commission the plurality of parameters without any manual adjustment, based at least in part on an elastic modulus of the physical model calculated as a ratio of a first derivative of the output pressure of the hydraulic pump to a rotation speed of the electric motor, the the plurality of parameters being automatically commissioned by: receiving the output pressure of the hydraulic pump and generating the first parameter as an output of the PID controller calculating the second parameter by dividing the output of the PID controller by the elastic modulus; obtaining the third parameter by multiplying the output pressure of the hydraulic pump by a ratio of a torque command received by the physical model to the output pressure of the pump; and generating the torque control signal based at least in part on the second parameter and the third parameter received by torque controller.

US Pat. No. 10,458,402

MICRO WATER PUMP CAPABLE OF CONTROLLING FLOW PRECISELY

XIAMEN CONJOIN ELECTRONIC...

1. A micro water pump for controlling flow, comprising an upper cover, a valve seat, a water capsule seat, a base casing, a water capsule, a crank lever, a drive shaft, an eccentric wheel, a motor, a photoelectric switch, and an output circuit board;the motor and the photoelectric switch being installed on the base casing, the motor comprising a motor shaft, the motor shaft being inserted into the base casing and directly connected with the eccentric wheel in the base casing, the motor shaft and the eccentric wheel constituting a transmission member, the transmission member being radially provided with a photoelectric shelter corresponding to the photoelectric switch, the photoelectric shelter cooperating with the photoelectric switch for detecting a revolution of the motor, the photoelectric switch being electrically connected with the output circuit board, the output circuit board being electrically connected with an external motor controller and transmitting information of the revolution of the motor to the exterior motor controller;
the eccentric wheel being formed with an oblique eccentric hole, one end of the drive shaft being obliquely inserted in the eccentric hole, another end of the eccentric wheel being connected with the crank lever, an upper end of the crank lever being provided with at least two supports extending outward, the crank lever swinging to bring the supports to compress and swing repeatedly;
the water capsule seat being sealedly installed on the base casing, the water capsule seat being formed with at least two installation holes corresponding to the supports, each installation hole being sealedly installed with the water capsule, an upper portion of the water capsule being open, a lower portion of the water capsule being installed on a corresponding one of the supports, the supports bringing the water capsule to compress and swing repeatedly;
the valve seat being sealedly installed on the water capsule seat, the valve seat being formed with an inlet hole and an outlet hole corresponding to the water capsule, the inlet hole and the outlet hole being provided with one-way valves which are opened in different directions;
the upper cover being sealedly installed on the valve seat, the upper cover being formed with a water outlet and a water inlet, the water inlet communicating with the inlet hole, the water outlet communicating with the outlet hole,
wherein an upper surface of the valve seat is formed with an outer annular inlet passage and an inner annular outlet passage, the outer annular inlet passage and the inner annular outlet passage are separated from each other, the inlet hole is disposed in the outer annular inlet passage, and the outlet hole is disposed in the inner annular outlet passage;
wherein the one-way valve used for the outlet hole is a diaphragm unit, the diaphragm unit comprises a central post and at least two diaphragms extending outward and radially, the inner annular outlet passage is formed with a central hole for insertion of the central post, the outlet hole is disposed around the central hole, and each diaphragm corresponds to the outlet hole; and
wherein the diaphragm unit is formed with a positioning rib disposed between the diaphragms, the inner annular outlet passage is formed with a pair of stop boards corresponding to the positioning rib, the positioning rib is located between the pair of stop boards, an outer end of the positioning rib is formed with a positioning protrusion, the inner annular outlet passage is formed with a positioning hole corresponding to the positioning protrusion, the positioning protrusion is inserted in the positioning hole, the stop boards and the positioning hole are adapted to limit movement of the positioning rib, and the diaphragm unit is formed with a recess at a junction of each diaphragm and the central post.

US Pat. No. 10,458,401

HOUSING FOR A MOTOR OR COMPRESSOR

KNORR-BREMSE Systeme fuer...

1. A housing for a motor or compressor, comprising:an elongate crank chamber, which has two end surfaces, for accommodating a crankshaft; and
at least one cylinder chamber for accommodating a piston, wherein
the crank chamber has, in a first end surface, an opening through which the crankshaft is insertable into said crank chamber,
an inner diameter of the crank chamber narrows monotonously from the first end surface to the second end surface,
the housing is cast in one piece, and
the crank chamber tapers in the shape of a cone or frustum from the first end surface to the second end surface such that a shell of the cone or frustum is inclined with respect to its axis of symmetry by an angle of between 0.5 and 10 degrees.

US Pat. No. 10,458,400

SYSTEM AND METHOD OF AUTOMATIC PUMP OPERATION

ROM Acquisition Corporati...

1. A system for automatically setting up a truck-mounted pump driven by an engine for pumping operation, comprising:a transmission control having a visual indicator and coupled to a transmission of the truck;
a pump control having a visual indicator and coupled to the pump;
a plurality of visual indicators each associated with a particular vehicular control lever configured to set at least one of the pump, transmission, and brakes;
a master system control switch operable to receive operator input; and
a main controller in data communication with the transmission control, the pump control, and the master system control switch, the main controller receiving an input from the master system control switch to initiate a pump setup operation, and automatically transmitting alert signals to the visual indicators of the transmission control, and pump control, to provide visual guidance to an operator in the proper sequence of steps to prepare the vehicle for proper pumping operation by turning on/off the visual indicators in a proper sequence of pump setup operations, the main controller is operable to determine a set of vehicular conditions including the truck is stopped, its transmission is in neutral, and the emergency brake is on, prior to initiating pump setup operation.

US Pat. No. 10,458,399

PRECISION FUEL ADDITIVE SYSTEM

1. A liquid additive dosing device comprising:a. a liquid additive tank comprising a fill tube, one or a plurality of baffle plates, an outlet port, and a relief tube, said relief tube further comprising an inlet end and an outlet end, said outlet end of said relief tube being located above said outlet port and inside said additive tank,
b. an electrically controlled cam driven dosing pump,
c. an electronic input device containing a timing circuit for starting and stopping said dosing pump,
d. and a liquid additive filter assembly upstream of said dosing pump, whereby said input device starts or stops said dosing pump based on an entering volume of liquid fuel to be diluted to said input device to deliver a corresponding volume of a liquid additive to a fuel tank of a vehicle, or liquid fueled generator.

US Pat. No. 10,458,398

METHOD OF SETTING ZERO POINT OF BI-DIRECTIONAL LINEAR PUMP FOR ACTIVE SUSPENSION APPARATUS

MANDO CORPORATION, Pyeon...

1. A method of determining whether a bi-directional linear pump for an active suspension apparatus supplying fluid to an actuator connected to a coil spring coupled to a wheel of a vehicle is normal or abnormal, comprising steps of:controlling at least one of a first valve disposed between the actuator and the pump and a second valve disposed between the pump and a fluid reservoir by means of an electronic control unit (ECU);
moving a piston disposed inside the pump to a first side of the piston to move the piston up to a MAX Stroke position of the first side;
wherein the step of moving the piston to the first side includes steps of:
periodically applying a preset electric power to a motor for a predetermined time period to gradationally move the piston in a direction of the first side;
detecting a position of the motor, which has been rotated for the predetermined time period; and
determining whether or not the piston is arrived at the MAX Stroke position of the first side based on the position of the motor,
wherein the step of determining whether or not the piston is arrived at the MAX Stroke position includes:
detecting a first position of the motor, which rotated for a current time period, and a second position thereof, which rotated for a previous time period, to compare a difference between the first position and the second position with a preset value A; and
determining that a rotation of the motor stops when the difference between the first position and the second position is less than the preset value A;
moving the piston to a second side of the piston to move the piston up to a MIN Stroke position;
wherein the step of moving the piston to the second side includes steps of:
periodically applying a preset electric power to a motor for a predetermined time period to gradationally move the piston in a direction of the second side;
detecting a position of the motor, which has been rotated for the predetermined time period; and
determining whether or not the piston is arrived at the MIN Stroke position of the second side based on the position of the motor,
wherein the step of determining whether or not the piston is arrived at the MIN Stroke position includes:
detecting a third position of the motor, which rotated for a current time period, and a fourth position thereof, which rotated for a previous time period, to compare a difference between the third position and the fourth position with a preset value C; and
determining that a rotation of the motor stops when the difference between the third position and the fourth position is less than the preset value C;
comparing an approximate MIN Stroke position of the second side, which is calculated based on a length of a chamber accommodating the piston with reference to the MAX Stroke position, with the MIN Stroke position thereof; and
determining whether or not the pump is normal based on the comparison result.

US Pat. No. 10,458,397

LOOP LINKED SMART MORPHING ACTUATOR

1. A loop linked smart morphing actuator comprising:a first area morphed in a first pattern according to an external signal; and
a second area morphed in a second pattern according to the external signal,
wherein
the first area comprises a first unit cell morphed in a first direction,
the first unit cell is configured in a loop type knit structure including a first wire and a second wire, the second area comprises a second unit cell morphed in a second direction, and the second unit cell is configured in a loop type knit structure including a third wire and a fourth wire, and
the second direction is opposite to the first direction, and the second pattern is a pattern which has a symmetrical relationship with the first pattern and is provided opposite to the first pattern.

US Pat. No. 10,458,396

DE-ICING SYSTEM FOR A WIND TURBINE BLADE

1. A wind turbine blade (10) having a blade de-icing system, the wind turbine blade comprising a root end (16) and a tip end (14), a leading edge (18) and a trailing edge (20), the blade having an outboard portion provided towards said tip (14) end and an inboard portion provided towards said root end (16), the wind turbine blade (10) further comprising a blade shell structure forming an outer surface of the wind turbine blade (10), the blade de-icing system arranged to convey a heated fluid to provide heat to portions of the wind turbine blade, wherein the blade de-icing system comprises:an insulated outflow channel (70) flowing from said root (16) end to a location adjacent said tip (14) end;
a heating channel (72) in the outboard portion of the blade, the heating channel flowing from said location adjacent said tip end (14) along the leading edge (18) of the blade in the outboard portion of blade, wherein said heating channel (72) comprises:
an insulated wall arranged to define a leading edge cavity between said insulated wall and an internal surface of said blade shell structure at the leading edge of the wind turbine blade in said outboard portion; and
flexible seal members arranged between respective upper and lower sides of said insulated wall and respective adjacent portions of the internal surface of said blade shell structure,
wherein said insulated wall is supported by an internal shear web of said wind turbine blade, and
wherein said flexible seal members are non-load carrying members and act to isolate forces associated with said insulated wall from the internal surface of said blade shell structure at said heating channel; and
an insulated return channel (78) in the inboard portion of the blade, the insulated return channel (78) extending from the root end side of the heating channel to the root end of the blade,
wherein said de-icing system is arranged to convey heated fluid from said root end (16) through said outflow channel (70) to said tip end (14), from said tip end (14) through said heating channel (72) to said insulated return channel (78), and from said insulated return channel (78) to said root end (16), said de-icing system configured to heat the leading edge (18) of the blade in said outboard portion of the blade.

US Pat. No. 10,458,395

WIND TURBINE COUPLING TO MITIGATE TORQUE REVERSALS

PT TECH, LLC, Wadsworth,...

1. A method of providing torsional damping in a wind turbine drive system for a generator to reduce the magnitude and rapidity of torque reversals, and mitigate the resulting damaging impact loads on wind turbine drive system components, comprising:detecting a wind turbine drive system torque reversal exceeding a first preset threshold;
dissipating torsional wind-up energy in the wind turbine drive system while maintaining said reverse torque at said first preset threshold;
detecting a positive torque exceeding a second preset threshold;
returning the wind turbine drive system to forward operation; wherein detecting a wind turbine drive system torque reversal and dissipating torsional wind-up energy are achieved automatically by frictional slipping and
wherein an angle of torsional displacement of said wind turbine drive system is sufficient to cause said frictional slipping to effectively reduce the magnitude of reverse torque and slow a rate of torque reversal magnitude increase, and wherein said generator operates at speeds greater than 1000 rpm and said angle of torsional displacement exceeds 10 degrees.

US Pat. No. 10,458,394

TURBINE WITH FLOW DIVERTER AND FLOW DIVERTER FOR TURBINES

MEDITERRANEAN DESIGN NETW...

1. A turbine (1) with flow diverter (2) for a flow of operating fluid, comprising:a support frame (25) adapted to be anchored to a fixed or movable structure;
an impeller (3) rotatably mounted about a rotation axis (R) to said support frame (25) and having a front inlet section for receiving the flow and a plurality of blades (4, 4?, 4?, . . .) adapted to move continuously upon the rotation produced by the flow between a pushing position and an advancing position in correspondence of said front inlet section;
a main flow diverter (2) adapted to be anchored to said support frame (25) and having a peripheral wall (7) adapted to at least partially blind said front section with respect to the flow;
an auxiliary diverter (13) extending from a first section (14) facing one or more blades (4?) of said plurality in said advancing position to a second section (15) facing different one or more blades (4) of said plurality in said pushing position;characterized in that said auxiliary diverter (13) comprises a plurality of curvilinear conduits (16) in reciprocal side by side position along a radial direction, each of said conduits (16) having a first opened end (16?) facing the one or more blades (4?) of said plurality in the advancing position and a second opened end (16?, 16??) placed in correspondence of a conveying duct (8).

US Pat. No. 10,458,393

WIND-POWERED RECHARGING FOR A WEIGHT-SHIFTING COAXIAL HELICOPTER

Lockheed Martin Corporati...

1. An unmanned helicopter comprising:a propulsion system comprising:
a first rotor assembly comprising a first motor coupled to a first rotor, the first rotor comprising a plurality of first fixed-pitch blades; and
a second rotor assembly comprising a second motor coupled to a second rotor, the second rotor comprising a plurality of second fixed-pitch blades, wherein:
the second rotor is coaxial to the first rotor; and
the second motor is in stacked assembly with the first motor;
a fuselage comprising:
a power source; and
a controller; and
a gimbal assembly coupling the fuselage to the propulsion system, the gimbal assembly comprising:
a first gimbal motor configured to control pitch of the unmanned helicopter; and
a second gimbal motor being in stacked assembly with the first gimbal motor, the second gimbal motor being configured to control roll of the unmanned helicopter;
wherein the controller is communicably coupled to the first and second gimbal motors and is configured to provide instructions to at least one of the first or second gimbal motors in order to orient the plurality of first fixed-pitch blades and second fixed-pitch blades into a position that permits wind to rotate the first fixed-pitch blades and second fixed-pitch blades and thereby charge the power source.

US Pat. No. 10,458,392

WIND POWER PLANT HAVING FREQUENCY MEASUREMENT

SENVION GmbH, Hamburg (D...

1. A method for controlling a wind turbine which is connected to an electrical grid comprising measuring a grid frequency present in the grid and regulating the power output of the wind turbine based on the measured grid frequency, wherein regulating the power output comprises:detecting a change in the measured grid frequency over time,
determining a rate of change of the measured grid frequency,
determining whether the measurement of grid frequency is erroneous by comparing the rate of change of the measured grid frequency with a rate of change limit value that is based on a range of grid frequency rates of change that is associated with confidence in grid frequency measurements,
in response to determining that the measurement of grid frequency is erroneous based on the rate of change of the measured grid frequency exceeding the rate of change limit value, regulating the power output using a modified frequency value, wherein the modified frequency value has a lower rate of change in comparison with the measured grid frequency and is calculated using an increase value or an increase function, and
in response to determining that the measurement of grid frequency is not erroneous based on the rate of change of the measured grid frequency not exceeding the rate of change limit value, regulate the power output using the measured grid frequency unmodified.

US Pat. No. 10,458,391

SINGLE-FRAME IMPELLER OF WIND TURBINE GENERATOR SET

Zhang, Xiaoxin, Zhangjia...

1. A single-frame impeller of a wind turbine generator set, the single-frame impeller comprising:a generator with a main shaft horizontally arranged;
a wind wheel frame;
blades;
a supporting base;
oblique supporting rods; and
a blade adjusting device, wherein: the blade adjusting device comprises a blade adjusting chamber (5), a motor (22) and an adjusting mechanism; the blade adjusting chamber (5) is of a horizontal cylinder, a rear end of the blade adjusting chamber (5) is fixedly connected with a front portion of the supporting base (6), and the blade adjusting chamber (5) and the supporting base (6) are assembled at a front end of a generator main shaft; the supporting base (6) and the wind wheel frame (1) are connected with each other through the oblique supporting rods (4), the blade adjusting chamber (5) is disposed at a center of the wind wheel frame (1), and the oblique supporting rods (4) are uniformly distributed around the supporting base (6); the motor (22) and the adjusting mechanism are assembled inside the blade adjusting chamber (5), and the adjusting mechanism is connected to the motor and is powered by the motor; the blades (2) are fixedly installed on blade shafts (9) of the blades (2), an outer side end of each blade shaft (9) is assembled on the wind wheel frame (1), an inner side end of each blade shaft (9) stretches into a cylindrical side wall of the blade adjusting chamber (5), the blade shafts (9) are matched with the cylindrical side wall of the blade adjusting chamber (5); the blades (2) are uniformly distributed around the blade adjusting chamber; and
the adjusting mechanism for adjusting an angle of each blade comprises a push-pull transmission mechanism, an adjusting frame (19), rotating arms (20) and connecting rods (21); the push-pull transmission mechanism comprises a swinging arm (16), a positioning shaft (15), a main drive arm (17) and a push-pull rod (18); the adjusting frame (19) is assembled onto the side wall of the blade adjusting chamber; the rotating arms (20) are vertically fixed on end portions of the blade shafts (9) disposed in the blade adjusting chamber, a second end of each rotating arm (20) is hinged with a respective connecting rod (21), and a second end of each connecting rod (21) is hinged with the adjusting frame (19); fixed seats (14) are correspondingly arranged on inner walls of a front end plate and a rear end plate of the blade adjusting chamber (5), the positioning shaft (15) vertically penetrates through a middle portion of the adjusting frame (19), and ends of the positioning shaft (15) are installed on the respective fixed seats (14); one end of the swinging arm (16) is vertically fixed at a middle portion of the positioning shaft (15), the other end of the swinging arm (16) is hinged with the main drive arm (17), and the main drive arm (17) is connected with the motor; and two ends of the push-pull rod (18) are respectively hinged onto a middle portion of the swinging arm (16) and the adjusting frame (19).

US Pat. No. 10,458,390

METHOD FOR CONTINUOUSLY MAKING A HELICAL TYPE CURVED SHAPED TURBINE BLADE

1. A method for continuously making a curved shaped turbine blade from a sheet metal blank having an inner vertical edge, an outer edge generally parallel to said inner edge, and a top edge perpendicular to and joining said inner and outer edges, said inner vertical edge including a plurality of apertures in spatial relation positioned adjacent thereto, the method comprising the steps of:calculating an amount of stretch needed per unit length thereof for forming a curved outer edge on said sheet metal blank;
mounting said sheet metal blank on a metal forming press with said apertures in indexing position thereon;
digitally feeding the sheet metal blank over a first metal form to produce detents and indents starting a predetermined perpendicular distance from said inner edge on said sheet metal blank in said first metal form for providing the needed stretch from said starting distance to said outer edge of said sheet metal blank;
bending said stretched sheet metal blank over a second metal form to flatten the stretched indents and detents; and
cutting said stretched sheet metal blank to a predetermined length to form a bottom edge thereof.

US Pat. No. 10,458,389

PROFILE WEDGE FOR ATTACHMENT OF AN AEROSHELL EXTENDER PIECE

1. A wind turbine blade assembly comprising a wind turbine blade having a tip end and a root end, and a leading edge and a trailing edge with a chord length extending therebetween,wherein the wind turbine blade assembly further comprises an aeroshell extender piece comprising:
a body for attachment to a trailing edge side of a profile of a wind turbine blade, the body having a first end for attachment to the trailing edge side of the profile, and a second trailing edge end to form an extended airfoil trailing edge profile for a portion of the profile of the wind turbine blade,
wherein the aeroshell extender piece is attached to the wind turbine blade at least partly using at least one profile wedge, the at least one profile wedge having an inner attachment surface and an outer attachment surface, the inner attachment surface being attached to a surface of the wind turbine blade and being contoured to mate therewith, and the outer attachment surface being attached to the aeroshell extender, the outer attachment surface having a larger surface area than a surface area of the inner attachment surface.

US Pat. No. 10,458,388

WIND TURBINE BLADE, WIND TURBINE ROTOR, WIND TURBINE POWER GENERATING APPARATUS, AND METHOD OF MOUNTING VORTEX GENERATOR

MITSUBISHI HEAVY INDUSTRI...

1. A wind turbine blade, comprising:a blade body; and
a vortex generator mounted to a surface of the blade body,
wherein the vortex generator includes a plurality of fin sets, each fin set including a plurality of fins disposed so as to protrude from the surface of the blade body at different positions from one another in a blade spanwise direction, and
wherein the plurality of fin sets is positioned so that, in a planar development view of the surface of the blade body, an angle ? formed by a center axis of a blade root of the blade body with a line connecting two of the fin sets which are adjacent in the blade spanwise direction increases toward the blade root, at least in a part of a region of the blade body between a position of the blade root and a maximum chord-length position of the blade body in the blade spanwise direction.

US Pat. No. 10,458,387

HYDROSTATIC AXIAL PISTON MACHINE

Robert Bosch GmbH, Stutt...

1. A hydrostatic axial piston machine, comprising: a circular distributor plate with a high-pressure kidney-shaped aperture and a low-pressure kidney-shaped aperture; and a cylinder drum tensioned against the distributor plate, wherein a diametrical transverse axis extends through a circumferential midpoint of the low-pressure kidney-shaped aperture and bisects the low-pressure kidney-shaped aperture, wherein a diametrical center axis extends perpendicular to the transverse axis, wherein the high-pressure kidney-shaped aperture is located entirely in a quarter-circle-shaped first quadrant and a quarter-circle-shaped second quadrant of the distributor plate, the first and second quadrants each defined by the transverse axis and the center axis, wherein a hydrostatic main relief field that extends into both quadrants is arranged on the distributor plate adjacent to the high-pressure kidney-shaped aperture, wherein the distributor plate has a relief surface on an outer circumference of the main relief field, the relief surface having a center point arranged in the first quadrant, and wherein the relief surface extends to a radial outside edge of the distributor plate, and wherein the relief surface is radially spaced apart from the main relief field.

US Pat. No. 10,458,386

MODULAR HYDROKINETIC TURBINE

Power Development Interna...

1. An apparatus comprising:a pre-fabricated, floating, scalable, modular hydrokinetic vertical axis cross-flow turbine comprising floating devices and vertically oriented blades in power optimized arrays comprising counter-rotating pairs.

US Pat. No. 10,458,385

SYSTEMS AND METHODS FOR TIDAL ENERGY CONVERSION AND ELECTRICAL POWER GENERATION USING A ROTATABLE DRAG PANEL

Big Moon Power, Inc., Sa...

1. A tidal energy conversion assembly comprising:a displacement vessel for lateral travel in the direction of tidal flow;
a drag panel mounted to the displacement vessel for capturing drag forces caused by tidal action occurring in a generally lateral direction, wherein the drag panel is pivotable about a horizontal axis from an active configuration for maximizing the capture of drag forces acting on the drag panel, to a retracted configuration for minimizing the capture of drag forces acting on the drag panel;
a control mechanism operatively coupled to the drag panel to pivot the drag panel;
a directional converter coupled to a generator, wherein said directional converter and said generator are positioned at a stationary location; and
an anchor cable having a first end, a second end, and a length in between the first end and the second end, wherein the first end of the anchor cable is connected to the directional converter and the second end of the anchor cable is connected to the displacement vessel;
wherein, as a result of its connection to said anchor cable, said directional converter activates said generator to generate electricity when the displacement vessel travels laterally relative to said stationary location as a result of drag forces captured by said drag panel from the tidal flow.

US Pat. No. 10,458,384

PUMPED-STORAGE POWER GENERATION CONTROL DEVICE AND PUMPED-STORAGE POWER GENERATION CONTROL METHOD

KABUSHIKI KAISHA TOSHIBA,...

1. A pumped-storage power generation control device comprising:a first measuring unit that measures a pumping input or an electrical quantity corresponding to the pumping input of a pumped-storage power generation facility in a pumping operation;
a second measuring unit that measures a power output or an electrical quantity corresponding to the power output of a pumped-storage power generation facility in a power generating operation;
a control section that controls at least one of the pumping input of the pumped-storage power generation facility in the pumping operation and the power output of the pumped-storage power generation facility in the power generating operation such that a value, which is obtained by a predetermined calculation using the measurement value measured by the first measuring unit and the measurement value measured by the second measuring unit, becomes a set target value; and
wherein the control section controls at least one of the pumping input of the pumped-storage power generation facility in the pumping operation and the power output of the pumped-storage power generation facility in the power generating operation such that an addition, a difference, or a ratio between the power output of the pumped-storage power generation facility in the power generating operation and the pumping input of the pumped-storage power generation facility in the pumping operation becomes a set target value.

US Pat. No. 10,458,383

DRIVE SYSTEM FOR AN ENGINE ARRANGEMENT

1. A drive system for an engine arrangement, the drive system comprising a gear reduction mechanism having at least three separate and rotatable junction elements, the rotation speeds of the junction elements being interdependent but not having a fixed ratio the ones relative to the others, and wherein, in the mounted position, among the junction elements:a first junction element is connected to an engine crankshaft;
a second junction element is connected to an accessory pulley which is drivingly connected to an electric machine and at least one accessory;
a third junction element;
a free wheel which is connected to a non-rotating part of the engine arrangement in the mounted position, and in that the third junction element is configured to be coupled to the free wheel in a first operating phase of the drive system,
wherein, in the first operating phase, the free wheel is configured such that when the third junction element exerts torque on the free wheel in one direction, the free wheel is in an engaged state and stops the rotation of the third junction element, and when the third junction element exerts torque on the free wheel in the opposite direction, the free wheel is in a free state and allows rotation of the third junction element, and wherein the third junction element is further configured to be coupled to the accessory pulley, in a second operating phase.

US Pat. No. 10,458,382

AUTO STOP PARAMETER THRESHOLD ADJUSTMENT

Ford Global Technologies,...

1. A vehicle stop-start system comprising:a controller programmed to adjust a threshold, defining a specified range of values for a geographic location, according to learned information derived from vehicle data collected in a vicinity of the geographic location to alter a frequency or duration of engine auto stops at the geographic location, and to initiate an auto stop of an engine responsive to a parameter value falling within the specified range.

US Pat. No. 10,458,381

FUEL INJECTOR TESTER/CLEANER KIT AND METHOD OF USE

1. A pneumatic and hydraulic fuel injector cleaning apparatus, comprising:an ultrasonic cleaner, a fuel injector cleaning and test stand, and a fuel injector controller,
said ultrasonic cleaner including a container for holding cleaning fluid and a fuel injector, an ultrasonic transducer capable of vibrating said container and said cleaning fluid at a selected ultrasonic frequency and amplitude, and a controller for controlling said transducer;
said fuel injector cleaning and test stand including a horizontal base plate forming a base with an upward extending first longitudinal member forming a post, said base plate supporting a removable waste container for catching cleaning fluid emitted from a fuel injector during testing, said post having a second longitudinal member forming an arm extending horizontally out from a top end thereof over said base plate, said arm having a vertical aperture formed therein and passing through at a free end thereof, said vertical aperture having threads in a top half and having a smooth inner bore in the bottom half said smooth inner bore forming a receiver for an input end of a fuel injector, with a first hand valve threaded into said threaded top half of said vertical aperture, a bottom of said vertical aperture capable of receiving an input end of a fuel injector to be cleaned along with a sealing O-ring, said arm having a retaining plate rotatably connected to a bottom surface thereof such that when said input end of said fuel injector is inserted into said receiver, said retaining plate is rotated in under an output end of said fuel injector to hold said fuel injector tightly in place, said retaining plate having an non-threaded aperture just below where said output end of said fuel injector rests, said fuel injector capable of spraying fuel out of said output end through an orifice and on through said non-threaded aperture without impeding a spray pattern of said spraying fuel, said first hand valve fluidly connected to a cleaning fluid reservoir, a top of said reservoir having a first T connection with a second hand valve and a pressure relief valve extending horizontally therefrom, said first T connection having a second T connection attached at a top input thereof, said second T connection having a pressure gauge extending horizontally therefrom and a third hand valve extending upward therefrom, said third hand valve having a third T connection extending upward therefrom, said third T connection having a quick disconnect fitting extending horizontally therefrom and having a removable pipe plug extending upward therefrom;
said cleaning fluid containing various distillates and solvents; and
said fuel injector controller capable of being connected to a power source and to electrical contacts of a fuel injector, and supplying twelve volt pulses at a selected frequency and pulse width to energize a coil of said fuel injector to be tested and cleaned, thus causing said fuel injector to spray said cleaning fluid out of said orifice at said output end.

US Pat. No. 10,458,380

METHODS AND SYSTEMS FOR A FUEL INJECTOR

Ford Global Technologies,...

1. A system, comprising:a fuel injector comprising an egg-shaped nozzle, wherein an opening is shaped to admit combustion chamber gases into a hollow interior of the egg-shaped nozzle forming an annular venturi passage between it and an outlet surface of the fuel injector.

US Pat. No. 10,458,379

INJECTOR ARRANGEMENT

DELPHI TECHNOLOGIES IP LI...

1. A fuel injector for use in an internal combustion engine, the fuel injector comprising:an injector body comprising a bore;
an injector needle located within the bore and engageable with a needle seat to control fuel injection through an injector outlet, the injector needle comprising an armature seat;
an armature member which is hollow, thereby defining an internal surface of the armature member, the armature member being engageable with the armature seat on the injector needle, the injector needle in part and the internal surface of the armature member in part defining a control chamber;
an actuator arrangement arranged to control fuel pressure within the control chamber such that fuel pressure variations within the control chamber controls movement of the injector needle relative to the needle seat;
wherein the actuator arrangement is arranged to be capable of moving the armature member from a seated position in which it engages the armature seat to an unseated position in which the armature member has moved relative to the armature seat in order to bring the control chamber into fluid communication with a low pressure drain which circumferentially surrounds the control chamber.

US Pat. No. 10,458,378

WATER SEPARATOR AND WATER SEPARATING SYSTEM WITH INTEGRATED WATER DISCHARGE DEVICE

1. A water separator for water contained in fuel or oil, comprising:a water outlet for the water separated from the fuel or oil; and
a water discharge device having
an inlet opening; and
an outlet opening for the water conveyed out of the water separator;
wherein the inlet opening is eccentric to a longitudinal axis of the water separator;
wherein an axial direction is a direction parallel to the longitudinal axis and a radial direction is a direction traverse to the longitudinal axis;
wherein the inlet opening is arranged on the water separator and spaced axially away from the water outlet; and
wherein the outlet opening is arranged on the water separator coaxially to the longitudinal axis of the water separator;
wherein the water separator includes:
a support tube;
a screen tube arranged inside of the support tube; and
wherein the support tube is spaced apart radially outwardly away from the screen tube, such that annular space between the support tube and the screen tube forms an annular water separating gap positioned radially between the support tube and the screen tube;
wherein the inlet opening and the outlet opening of the water discharge device are fluidically connected to each other by, in combination:
a first water discharge pipe, which is arranged centrally in the water separator, the first water discharge pipe arranged within a radial interior of the screen tube and within a radial interior of the support tube;
wherein the first water discharge pipe extends in a direction of the longitudinal axis of the water separator;
a second water discharge pipe forming the inlet opening of the water discharge device,
wherein the second water discharge pipe is arranged on the water separator and offset in the radial direction from the longitudinal axis of the water separator;
a base plate forming a connection channel arranged running in a radial direction, the connection channel fludicially connecting the first water discharge pipe (38) to the second water discharge pipe.

US Pat. No. 10,458,377

FUEL PRESSURE REGULATOR

DELPHI TECHNOLOGIES IP LI...

1. A fuel pressure regulator for regulating fuel pressure in a fuel system, said fuel pressure regulator comprising:a housing having a housing bore which extends along a housing bore axis, said housing also having a housing inlet which allows fuel into said housing bore;
a piston located within said housing bore such that said piston and said housing bore define an accumulation chamber and such that said piston slides along said housing bore axis between 1) a first piston position in which said accumulation chamber is minimized in volume and 2) a second piston position in which said accumulation chamber is maximized in volume, said piston having a piston bore extending therethrough from a piston inlet to a piston outlet such that a valve seat is defined between said piston inlet and said piston outlet, such that said piston inlet allows fuel into said piston bore from said housing inlet, and such that said piston outlet provides a path out of said fuel pressure regulator from said piston bore;
a piston spring which biases said piston toward said first piston position;
a valve closure within said piston bore which moves between 1) a seated position such that said valve closure mates with said valve seat, thereby preventing fluid communication from said piston inlet to said piston outlet and 2) an unseated position such that said valve closure is separated from said valve seat, thereby providing fluid communication from said piston inlet to said piston outlet; and
a valve closure spring which biases said valve closure toward said seated position;
wherein said housing bore defines a housing bore inner peripheral surface which surrounds and faces toward said housing bore axis; and
wherein said piston defines a piston outer peripheral surface which faces toward said housing bore inner peripheral surface and is sealed to said housing bore inner peripheral surface such that fuel is prevented from passing out of said fuel pressure regulator from radially between said housing bore inner peripheral surface and said piston outer peripheral surface.

US Pat. No. 10,458,376

AIR CLEANER FOR INTERNAL COMBUSTION ENGINE

TOYOTA BOSHOKU KABUSHIKI ...

1. An air cleaner for an internal combustion engine, comprising:a first housing including an inlet and an opening;
a second housing including an outlet and an opening; and
a filter element arranged between the opening of the first housing and the opening of the second housing, wherein
at least one of the first housing and the second housing includes a sound reducing wall portion, and
the sound reducing wall portion includes
a sound absorbing layer made of an air permeable material, and
an inner covering layer, which is fixed to an inner surface of the sound absorbing layer and made of a material having a lower air permeability than that of the sound absorbing layer.

US Pat. No. 10,458,375

AIR SHUTOFF VALVE

Caterpillar Inc., Peoria...

1. An air shutoff valve for use on an internal combustion engine, comprising:a body having an inlet portion forming an inlet opening, an outlet portion forming an outlet opening, a gate portion and an actuator portion;
the body forming an air passage that fluidly connects the inlet opening and the outlet opening;
a gate slidably disposed in the gate portion of the body, the gate being selectively moveable between an armed position and a triggered position, in which triggered position the gate is disposed in the air passage and fluidly blocks the outlet opening from the inlet opening;
a lift rod connected to the gate, the lift rod including a transverse opening;
a retention pin slidably disposed in the actuator portion of the body, the retention pin having a tip extending through the transverse opening in the lift rod when the gate is in the armed position;
a roller rotatably mounted to the retention pin;
a cam rod having a cam surface in contact with the roller such that axial motion of the cam rod causes a corresponding axial motion on the retention pin;
an actuator connected to the cam rod and operating to move the cam rod from the extended position to a retracted position, in which the tip of the retention pin is clear of the transverse opening;
at least one spring disposed between the body and the retention pin, the at least one spring disposed to urge the retention pin in a direction towards the lift rod such that contact is maintained between the roller and the cam surface; and
at least one lift spring disposed between the body and the gate, the at least one lift spring disposed to urge the gate towards the triggered position.

US Pat. No. 10,458,374

FUEL VAPORIZING SYSTEM

1. A fuel heater and vaporizing system comprising:a source of fuel;
a thermal source; and
a heat exchanger configured to thermally couple to the thermal source, said heat exchanger having a saddle shape and being configured to fit over said thermal source;wherein said heat exchanger has an inlet for receiving fuel from said fuel source, an outlet for discharging fuel, and a hollow passageway extending between the inlet and the outlet; wherein said heat exchanger has an open bottom to allow said heat exchanger to be placed over said thermal source.

US Pat. No. 10,458,373

SYSTEM INCLUDING OXYGEN SEPARATION DEVICE

Tenneco Automotive Operat...

1. A system comprising:an internal combustion engine including a combustion gas inlet;
an oxygen separation device positioned to be heated with heat generated by the internal combustion engine during operation of the internal combustion engine;
the oxygen separation device including a casing and a module in the casing;
the casing having an air inlet, a retentate outlet, and a permeate outlet, the permeate outlet being in fluid communication with the combustion gas inlet of the internal combustion engine;
the module including an oxygen ion transport membrane separating the retentate outlet and the permeate outlet; and
a heat absorber between the casing and the module.

US Pat. No. 10,458,372

METHOD AND DEVICE FOR DYNAMIC MONITORING OF AN AIR CHARGING SYSTEM OF AN INTERNAL COMBUSTION ENGINE

Robert Bosch GmbH, Stutt...

1. A device for dynamically monitoring an air charging system of an internal combustion engine, subsystems of the air charging system having a low-pass characteristic as a function of geometry, measurement design, aging, or contamination, comprising:a diagnostic unit including a computer configured to perform a dynamic diagnostic, given a change in a characteristic state quantity that is to be measured, based on a comparison of a modeled signal and a measured signal, and the measured signal being an actual value of the characteristic state quantity capable of being measured directly or calculable from measurement values of other quantities, and the modeled signal being a model value of the characteristic state quantity; and
a high-pass or bandpass filter configured to extract higher-frequency signal portions;
wherein through high-pass filtering or bandpass filtering using the high-pass or bandpass filter, a frequency portion is extracted from the measured signal and from the modeled signal, each of the frequency portions having a high frequency such that it is sufficiently attenuated by an emissions-relevant attenuation,
wherein the energy of the filtered signals is determined over a specified time interval by processing the signals, and
wherein energy values of the measured signal and of the modeled signal are compared, and if the quotient measured signal/modeled signal is below a threshold value, a dynamic error or a slow response error is diagnosed.

US Pat. No. 10,458,371

EGR COOLER

Hyundai Motor Company, S...

1. An EGR cooler comprising:a housing having coolant inlet and outlet, through which coolant flows into and out of the housing, and having gas inlet and outlet through which exhaust gas flows into and out of the housing;
a plurality of first tubes provided in the housing while one end of each of the first tubes communicates with the gas inlet and the other end thereof communicates with one end of a connection passage;
a plurality of second tubes provided in the housing while one end of each of the second tubes communicates with the gas outlet and the other end thereof communicates with the other end of the connection passage;
a plurality of first cooling fins inserted into each of the first tubes; and
a plurality of second cooling fins inserted into each of the second tubes,
wherein the gas inlet has a larger cross-sectional area than the gas outlet.

US Pat. No. 10,458,370

APPARATUS AND METHOD FOR EXHAUST GAS RECIRCULATION

Bayerische Motoren Werke ...

1. An internal combustion engine, comprising:an exhaust-gas recirculation device that recirculates exhaust gases of the internal combustion engine into an intake region of the internal combustion engine, wherein the exhaust-gas recirculation device comprises:
(a) at least one exhaust-gas cooler through which a first flow path for recirculation of exhaust gas runs and which has at least one first cooling stage and at least one additional cooling stage;
(b) at least one flap arrangement by which the at least one additional cooling stage is activatable;
(c) a bypass line through which a second flow path for the recirculation of exhaust gas runs and by which the exhaust-gas cooler can be bypassed during the recirculation of exhaust gas; and
(d) an EGR valve having at least three possible positions:
(1) a rest position, in which the exhaust-gas recirculation device is closed,
(2) a first position, in which the first flow path through the exhaust-gas cooler is open, and
(3) a second position, in which the second flow path through the bypass line is open.

US Pat. No. 10,458,369

SUPERCHARGED INTERNAL COMBUSTION ENGINE WITH COOLED EXHAUST-GAS RECIRCULATION ARRANGEMENT

Ford Global Technologies,...

1. A supercharged internal combustion engine comprising:an intake system for supplying air to the engine, an exhaust-gas discharge system for discharging exhaust gases, and an exhaust-gas recirculation arrangement which comprises at least one recirculation line, with at least one cooler and at least one control element being provided in the at least one recirculation line for the purposes of setting a predefinable exhaust-gas flow rate for recirculation, wherein at least two recirculation lines are provided, in which there is arranged in each case one cooler, the coolers being arranged in parallel and being usable independently of one another for cooling exhaust gas for the purposes of energy recovery, wherein a first recirculation line is provided comprising at least a first cooler, the first recirculation line fluidly coupled to the exhaust-gas discharge system upstream of the first cooler, the first recirculation line further fluidly coupled to the intake system downstream of the first cooler, where a first control element is arranged at a junction between the first recirculation line and the intake system;
a second recirculation line is provided comprising at least a second cooler, the second recirculation line fluidly coupled to the exhaust gas discharge system upstream of the second cooler, and where the second recirculation line further comprises a second control element selectively fluidly coupling the second recirculation line to the first recirculation line or to an exhaust-gas-conducting line configured to return exhaust gas to the exhaust-gas discharge system, where the second control element is downstream of the second cooler; and
the first and second coolers comprise at least one coolant-conducting jacket configured to allow coolant flowing therethrough to thermally communicate with exhaust gas.

US Pat. No. 10,458,368

EGR SYSTEM WITH PARTICLE FILTER FOR A GASOLINE ENGINE

TENNECO GMBH, Edenkoben ...

26. An exhaust gas system for a gasoline engine comprising:an exhaust gas pipe connected to an outlet manifold of the gasoline engine to lead exhaust gas to a main exhaust 3-way catalyst, with an inlet pipe connectible to an inlet manifold of a gasoline engine;
a main exhaust 3-way catalyst and a turbine provided within the exhaust gas pipe;
at least one compressor provided in the inlet pipe;
at least one of:
A) at least one first exhaust gas recirculation pipe branching off from the exhaust gas pipe upstream of the turbine and ending in the inlet pipe downstream of the compressor;
at least one first particle filter positioned within the first exhaust gas recirculation pipe; and
B) at least a second exhaust gas recirculation pipe branching off from the exhaust gas pipe downstream of the turbine and ending in the inlet pipe upstream of the compressor and including at least one second particle filter positioned within one or more of
i) the second exhaust gas recirculation pipe; and
ii) the exhaust gas pipe upstream of the second exhaust gas recirculation pipe;
wherein at least one of the at least one first and at least one second particle filters has a coating with catalytic effect, converting CO, HC and NOx, for continuously cleaning the recirculated gas to achieve a minimal contamination of components in an intake system;
wherein at least one third particle filter is provided, that is free of a coating with catalytic effect, converting one or more of i) CO, ii) HC and iii) NOx and is positioned downstream of the main catalyst and optionally a further exhaust catalyst is positioned within the first exhaust gas recirculation pipe upstream of the respective particle filter.

US Pat. No. 10,458,367

EVAPORATED FUEL TREATING DEVICE

Toyota Jidosha Kabushiki ...

1. An evaporated fuel treating device comprising:a fuel tank that stores fuel, in a liquid state, to be supplied to an internal combustion engine;
a canister containing a fuel adsorbent, the fuel adsorbent being configured to capture evaporated fuel that is generated due to vaporization of the fuel stored in the fuel tank;
a vent pipe in which the evaporated fuel in the fuel tank flows into the canister;
a purge pipe in which the fuel captured in the canister flows into an intake passage of the internal combustion engine;
a purge valve interposed in the purge pipe and the purge valve being configured to open when the captured fuel is introduced into the intake passage; and
a reforming catalyst disposed in a space in which the reforming catalyst comes into contact with the evaporated fuel that is generated in the fuel tank and that has not reached the canister, the reforming catalyst being configured to promote a chemical change from unsaturated hydrocarbon contained in the evaporated fuel to alcohol.

US Pat. No. 10,458,366

FUEL TANK PRESSURE REGULATOR

Stant USA Corp., Conners...

1. A tank venting system comprisinga valve housing formed to include a tank passageway having a tank-side inlet adapted to be coupled in fluid communication to a fuel tank and a canister passageway having a canister-side outlet adapted to be coupled in fluid communication to a fuel-vapor recovery canister, the valve housing also being formed to include a valve seat at a fluid-conducting interface to intercept fluid flowing through the valve housing between the tank-side inlet and canister-side outlet,
a pressure-controlled valve having a first side exposed to fuel vapor flowing into the valve housing through the tank-side inlet and the canister-side outlet and an opposite second side exposed to fuel vapor extant in the fuel tank that is communicated to the opposite second side via a valve-pressurization feed passageway exposed to fuel vapor extant in the fuel tank, the pressure-controlled valve being mounted for movement relative to the valve housing to a closed position wherein the first side engages the valve seat to block flow of fuel vapor between the tank and canister passageways and an opened position wherein the first side disengages the valve seat to allow flow of fuel vapor between the tank and canister passageways, and
a valve opener configured to selectively lower pressure of fuel vapor exposed to the opposite second side of the pressure-controlled valve by venting pressurized fuel vapor that has been communicated via the valve-pressurization feed passageway to the opposite second side of the pressure-controlled valve into the canister passageway through a pressurized-vapor bleed passageway for discharge into the atmosphere in response to an electrical input so that the pressure-controlled valve moves from the closed position away from the valve seat to the opened position to allow pressurized fuel vapor to flow from the tank passageway into the canister passageway through the fluid-conducting interface provided between the tank and canister passageways at the valve seat,
wherein the valve housing is formed to include a valve compartment containing the pressure-controlled valve, the pressure-controlled valve is arranged to divide the valve compartment into a lower chamber bounded in part by the first side of the pressure-controlled valve and arranged to provide the tank passageway and a separate upper chamber bounded in part by the second side of the pressure-controlled valve that is exposed to pressurized fuel vapor discharged from the valve-pressurization feed passageway, and the pressure-controlled valve is formed to include the pressurized-vapor bleed passageway to allow pressurized fuel vapor to flow from the separate upper chamber of the valve compartment into the canister passageway for discharge into the fuel-vapor recovery canister when the valve opener is activated by the electrical input to vent pressurized fuel vapor from the separate upper chamber of the valve compartment through the pressurized-vapor bleed passageway into the canister passageway, and
wherein the valve opener includes a bleed-passageway stopper, a stopper mover arranged to apply a force to yieldably to urge the bleed-passageway stopper to a bleed-blocking position engaging the pressure-controlled valve to block discharge of pressurized fuel vapor from the separate upper chamber of the valve compartment into the canister passageway, and a test-condition valve opener configured to move the bleed-passageway stopper in opposition to the force applied by the stopper mover from the bleed-blocking position away from the pressure-controlled valve to a bleed-allowing position and moving the pressure-controlled valve away from the closed position to hold the pressure-controlled valve in the opened position during a pressurized onboard diagnostics test condition.

US Pat. No. 10,458,365

DIRECT-INJECTION SUPERCHARGED INTERNAL COMBUSTION ENGINE HAVING WATER INJECTION, AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF THIS TYPE

Ford Global Technologies,...

1. A direct-injection supercharged internal combustion engine having water injection, comprising:at least one cylinder head comprising at least one cylinder, in which each cylinder is assigned an injection nozzle which:
is at least connectable to a fuel reservoir which serves for storing fuel;
is secured in a nozzle holder serving as a receptacle; and
is fitted with a nozzle needle which is displaceable in a direction of a longitudinal axis in a nozzle needle guide and opens up at least one nozzle hole at a nozzle tip in order to introduce fuel, the nozzle needle actuated via a solenoid in electronic communication with a controller of the engine, wherein a control piston is provided that surrounds an entire circumference of the nozzle needle relative to the longitudinal axis, which:
is mounted movably on the injection nozzle;
is displaceable in a translatory manner along the longitudinal axis of the injection nozzle between an inoperative position and a working position by actuation via pressure and spring forces acting on the control piston; and
closes at least one fluid connection in the inoperative position and opens up the at least one fluid connection in the working position in order to introduce water into an associated cylinder via an outlet of the at least one fluid connection arranged at the nozzle tip, outside of the nozzle hole relative to the longitudinal axis, wherein the control piston connects the at least one fluid connection in the working position to a chamber which, as part of a water supply system, is at least connectable via a supply line to a water reservoir which serves for storing water, where water for introduction into the associated cylinder via the outlet of the at least one fluid connection is separated within the injection nozzle from fuel for introduction into the associated cylinder via the nozzle hole.

US Pat. No. 10,458,364

PROPULSION SYSTEM USING SUPERCRITICAL CO2 POWER TRANSFER

Rolls-Royce Corporation, ...

1. A power and propulsion system, comprising:an air compressor;
a combustor having an internal heat exchanger and positioned to receive compressed air from the air compressor as a core stream;
a closed-loop system having carbon dioxide as a working fluid that receives heat from the combustor and rejects heat to a cooling stream, the closed-loop system configured to:
pass the carbon dioxide through the internal heat exchanger of the combustor to a closed loop turbine, wherein the closed loop turbine provides power to a fan that provides the cooling stream; and
pass the carbon dioxide through the internal heat exchanger of the combustor to at least two propulsor turbines that are associated with distributed propulsors, to provide thrust to an aircraft;
a first shaft having the closed loop turbine as a first turbine that receives power in the closed loop system, the first shaft including the fan;
a second shaft having a second turbine that receives power in the closed loop system, the second shaft including the air compressor; and
a third shaft having a third turbine that receives power in the closed loop system from the combustor via the carbon dioxide, the third shaft including a carbon dioxide compressor that receives the carbon dioxide from a heat rejection heat exchanger that rejects the heat to the cooling stream.

US Pat. No. 10,458,363

THRUST REVERSER FOR A NACELLE OF AN AIRCRAFT TURBOJET ENGINE

1. A thrust reverser for a nacelle of an aircraft turbojet engine, the thrust reverser comprising:a thrust reverser cowl movable in translation along a direction substantially parallel to a longitudinal axis (A) of the nacelle between a direct jet position and a reverse jet position;
a variable-section outlet nozzle arranged in a downstream extension of said thrust reverser cowl and movable between at least one reduced-section ejection position and one increased-section ejection position;
an actuator comprising a body mounted on a fixed structure of the thrust reverser and an actuating rod, said actuating rod being adapted to drive the variable-section outlet nozzle and the movable thrust reverser cowl in displacement;
a first device for locking the thrust reverser cowl in the direct jet position on the fixed structure of the thrust reverser, the first locking device comprising a locking hook pivotally mounted about a transverse axis (B), between a closed cowl locking position in which the locking hook cooperates with a locking pin secured to the thrust reverser cowl, and an unlocking open position of the thrust reverser cowl in which the locking hook releases said locking pin;
a second device for locking the variable-section outlet nozzle on the thrust reverser cowl, the second locking device adapted to alternately occupy a position of locking the variable-section outlet nozzle on the cowl and a position of unlocking the variable-section outlet nozzle; and
a reset lever pivotally driven by the locking pin about a transverse axis (B) from a rest position to a reset position, the reset lever being pivotally linked on the locking hook in a direction of closure of the locking hook, such that pivotal driving of the reset lever by the locking pin towards the rest position drives the locking hook towards the locking position,
wherein the reset lever includes an actuating arm movably mounted on the thrust reverser cowl between the locking position of the variable-section outlet nozzle in which said arm actuates the second locking device to lock the variable-section outlet nozzle on the thrust reverser cowl, and the unlocking position of the variable-section outlet nozzle in which said arm unlocks the nozzle, said arm being driven in the locking position by the locking hook during pivoting of the locking hook towards the unlocking position.

US Pat. No. 10,458,362

TURBOJET NACELLE PROVIDED WITH A THRUST REVERSER, INCLUDING CUT-OUTS TO AVOID THE MOVABLE SLAT OF AN AIRCRAFT WING

1. A nacelle for bypass turbojet engine comprising a thrust reverser, the thrust reverser comprising a movable cowl moving backwards from a closed position where a thrust is not reversed to an open position so as to uncover cascades reversing a direction of a cold air flow which is diverted from a secondary air annular flow path, the movable cowl including a radially outer part disposed in proximity to a leading edge of a wing of an aircraft,wherein the movable cowl includes on the radially outer part at least one cut-out configured to receive, without physical contact, a movable slat of the leading edge of the wing of the aircraft, and a closure panel for closing the at least one cut-out, the closure panel comprising a fixed part which is at least partially covered by an upstream portion of the movable cowl when the movable cowl is in the open position.

US Pat. No. 10,458,361

COATING FOR METAL COMPONENTS, METHOD FOR COATING A METAL COMPONENT, PISTON FOR INTERNAL COMBUSTION ENGINES AND MOTOR VEHICLE

Bayerische Motoren Werke ...

1. A motor vehicle, comprising at least one piston of an internal combustion engine, the piston having a coating comprising:an inner layer which is applied to the piston;
an intermediate layer; and
a covering layer, wherein
the inner layer comprises at least one layer selected from among: a metal layer, a metal carbide layer, a metal nitride layer, a metal carbonitride layer and a metal-containing hydrocarbon layer,
the intermediate layer comprises an a-C:H layer and an a-C:H* layer, wherein the a-C:H* layer has a higher proportion of graphite-like parts than in the a-C:H layer,
the covering layer comprises a W C:H layer or an a-C:H* layer,
a maximum layer thickness of the coating is not more than 5 ?m.

US Pat. No. 10,458,360

SLIDING MEMBER AND METHOD OF MANUFACTURING THE SAME

TOYOTA JIDOSHA KABUSHIKI ...

1. A sliding member comprising:a metal substrate;
an undercoat primer layer that is provided on a sliding surface of the metal substrate; and
a resin layer that is provided on the undercoat primer layer, the resin layer being obtained by curing a composition layer containing a bifunctional alicyclic epoxy in an amount of 80% by weight or more and a polymerization initiator,
wherein the metal substrate is a part of a portion of an internal combustion engine.

US Pat. No. 10,458,359

DETECTING A PREDETERMINED OPENING STATE OF A FUEL INJECTOR HAVING A SOLENOID DRIVE

CPT Group GmbH, Hannover...

1. An engine controller for a vehicle, which engine controller is configured to perform instructions for:applying a predetermined electrical voltage profile to a solenoid drive of the fuel injector;
detecting the temporal profile of the current strength of a current flowing through the coil of the solenoid drive;
detecting the temporal profile of the voltage across the coil;
determining a function based on the temporal profile of the current strength and the temporal profile of the voltage, wherein the function represents one of the interlinked magnetic flux and a temporal derivative of the interlinked magnetic flux in the solenoid drive; and
determining the time as the time at which the function has a characteristic feature.

US Pat. No. 10,458,358

FUEL MICROINJECTION VOLUME CORRECTION METHOD AND COMMON-RAIL FUEL INJECTION CONTROL DEVICE

Bosch Corporation, Tokyo...

1. A fuel microinjection volume correction method in a common-rail fuel injection control device configured to correct deviations in a fuel injection volume resulting from deviations in an injection characteristic of a fuel injection valve and having a microcomputer that controls fuel injection, the fuel microinjection volume correction method comprising:performing, via the microcomputer, microinjection as fuel injection in a microinjection volume,
acquiring, via the microcomputer, an energizing time for the microinjection on the basis of a fluctuation amount of an engine speed generated at the time,
storing, via the microcomputer, a difference from a reference energizing time that is acquired in advance for the fuel injection valve as a learning value in an updatable manner in a non-injection state of the fuel injection valve,
setting, via the microcomputer, a value that is acquired by correcting the reference energizing time by the learning value as the energizing time at the time of the microinjection, and
correcting the fluctuation amount of the engine speed on the basis of a gear ratio and the engine speed so as to eliminate an unnecessary change that occurs to the fluctuation amount of the engine speed due to a gear shift operation of a transmission when acquiring the energizing time for the microinjection on the basis of the fluctuation amount of the engine speed.

US Pat. No. 10,458,357

METHOD FOR DIAGNOSING AND CONTROLLING TWO-STEP EXHAUST VARIABLE VALVE LIFT SYSTEM AND VEHICLE PROVIDED WITH THE SAME METHOD

Hyundai Motor Company, S...

5. A vehicle provided with a two-step exhaust variable valve lift (VVL) system, the vehicle including:an accelerator pedal sensor measuring an operation angle of an accelerator pedal and outputting a corresponding signal;
a vehicle speed sensor measuring speed of the vehicle and outputting a corresponding signal; and
an air mass sensor measuring an air mass entering an engine,
wherein the two-step exhaust VVL system includes:
a controller receiving vehicle state signals including the corresponding signal of the accelerator pedal sensor and the vehicle speed sensor to determine whether or not the two-step exhaust VVL system enters a diagnosis mode and outputting a mode conversion signal of the two-step exhaust VVL system;
a timer measuring a conversion delay time between an output time of the mode conversion signal and an operation completion time of the two-step exhaust VVL system;
a memory storing the conversion delay time; and
an engine management system operated over the stored conversion delay time by a control of the controller.

US Pat. No. 10,458,356

VEHICLE CONTROL APPARATUS

DENSO CORPORATION, Kariy...

1. A vehicle control apparatus comprising:an actuator configured to control a drive of a vehicle;
a main calculator programmed to calculate an instructed drive power based on a requested drive power of the vehicle and programmed to instruct the actuator to operate according to the instructed drive power; and
a monitor section programmed to monitor at least one of (i) the instructed drive power and (ii) an actual drive power that is output from the actuator according to the instructed drive power, wherein
based on a drive power difference amount calculated by deducting the requested drive power from either the actual drive power or the instructed drive power,
the vehicle control apparatus is programmed to perform a difference determination control that executes a fail-safe action regarding a drive of the vehicle by (i) monitoring a drive power difference indicator started at a time when the drive power difference amount differs from a predetermined value, and (ii) determining that the drive power difference amount is too large when the drive power difference indicator differs from a preset value of an indicator threshold for longer than a predetermined period of time, wherein the drive power difference indicator is an absolute value of the drive power difference amount,
the vehicle control apparatus is programmed to, when performing the difference determination control, lower the indicator threshold when a vehicle-dynamic safety parameter that reflects a travel safety related vehicle behavior fulfills a prescribed condition,
the vehicle control apparatus is programmed to determine whether the vehicle-dynamic safety parameter fulfills the prescribed condition after the determination that the drive power difference amount is too large, and
the vehicle control apparatus is programmed to lower the indicator threshold after the determination that the drive power difference amount is too large.

US Pat. No. 10,458,355

ENGINE CONTROL DEVICE AND ENGINE CONTROL METHOD

Mitsubishi Electric Corpo...

1. An engine control device comprising:various sensors to detect operating state information of an engine, the operating state information including an engine temperature, an engine rotation speed, and a throttle opening degree;
an oxygen sensor, the output voltage value of which changes in response to a concentration of oxygen in exhaust gas of the engine; and
air-fuel ratio feedback controller to adjust an amount of fuel injected into the engine, on the basis of the operating state information and the output voltage value, wherein
the air-fuel ratio feedback controller calculates, in accordance with the operating state information based on detection results from the various sensors, an oxygen sensor output voltage correction coefficient, which is a coefficient for correcting the output voltage value, implements air-fuel ratio feedback control on the basis of an air-fuel ratio feedback control correction amount calculated using a corrected oxygen sensor output voltage value calculated on the basis of the oxygen sensor output voltage correction coefficient, and adjusts the amount of fuel injected into the engine, and
wherein the air-fuel ratio feedback controller includes a correction coefficient calculator to calculate the oxygen sensor output voltage correction coefficient in accordance with the operating state information, by determining, on the basis of the operating state information, an operating state of a vehicle among a plurality of predetermined operating states, and calculating an oxygen sensor output voltage correction coefficient corresponding to the determined current operating state.

US Pat. No. 10,458,354

KNOCK DETECTING DEVICE

HITACHI AUTOMOTIVE SYSTEM...

1. A knock detecting device, comprising:a processor configured to:
calculate frequency components by subjecting signals output from a knock sensor, which detects vibrations of an internal combustion engine, to frequency analysis; and
calculate a background level expressing an average of the frequency components; and
a memory storing the number of fuel injections expressing the number of times of injecting fuel in a predetermined period in one combustion cycle and a learning value expressing a correction amount of the frequency components while associating both the number of fuel injections and the learning value;
wherein the processor detects that a knock occurs in the internal combustion engine responsive to a knock index being greater than a predetermined threshold, wherein the knock index indicates a ratio of a difference between each frequency component and the learning value for the number of fuel injections to the background level expressing the average of the frequency components.

US Pat. No. 10,458,353

ENGINE CONTROL METHOD AND CONTROL DEVICE

Nissan Motor Co., Ltd., ...

1. A method of controlling an engine, comprising:setting a target torque of the engine;
controlling an engine torque based on the target torque;
setting an allowable torque that is greater than the target torque;
detecting a plurality of differing operating state parameters as indicators indicating an actual operating state of the engine;
individually calculating actual torques that are actual engine torques based on the plurality of detected operating state parameters;
selecting a largest value among the calculated actual torques as a final actual torque;
comparing the selected final actual torque to the allowable torque; and
generating a control signal according to a result of comparison between the selected final actual torque and the allowable torque.

US Pat. No. 10,458,352

CONTROL SYSTEM FOR ENGINE

Caterpillar Inc., Peoria...

1. A control system for an engine, the control system comprising:an operational data sensor configured to generate signals indicative of operational data of the engine; and
a controller communicably coupled with the engine and the operational data sensor, the controller configured to:
operate the engine based on a baseline engine model, wherein the baseline engine model defines at least one operational parameter based on which the engine operates;
receive the signals indicative of the operational data of the engine;
generate a dynamic engine model of the engine based on the received operational data, wherein the dynamic engine model defines at least one operational parameter based on which the engine operates;
compare the baseline engine model to the dynamic engine model;
determine a difference between the at least one operational parameter defined by the baseline engine model and the at least one operational parameter defined by the dynamic engine model, wherein the difference is determined based on comparing the baseline engine model to the dynamic engine model;
compare the determined difference to a threshold difference value; and
operate the engine based on the at least one operational parameter defined by the dynamic engine model, if the determined difference exceeds the threshold difference value.

US Pat. No. 10,458,351

ENGINE TORQUE RESERVE TECHNIQUES FOR OPTIMIZING DRAG RACING TRANSIENT RESPONSE

FCA US LLC, Auburn Hills...

1. A control system for controlling launch of a vehicle, the control system comprising:an input device configured to receive a request to enable a launch control feature of a traction control system of the vehicle, the launch control feature being configured to improve torque transfer from an engine of the vehicle to a driveline of the vehicle; and
a controller configured to:
in response to receiving the enable request for the launch control feature, generate a torque reserve at the engine by:
(i) increasing airflow into the engine to a level greater than a level for achieving a torque request for the engine, and
(ii) deactivating a predetermined set of cylinders of the engine by disabling their respective fuel injectors;
detect an intent of the driver to launch the vehicle; and
in response to detecting the intent of the driver to launch the vehicle, release the torque reserve to increase a torque output of the engine based on the engine torque request.

US Pat. No. 10,458,350

METHOD FOR ASCERTAINING AN ACCURACY OF A TORQUE TRANSMITTED BY A BELT-DRIVEN STARTER GENERATOR OF AN INTERNAL COMBUSTION ENGINE TO THE INTERNAL COMBUSTION ENGINE

Robert Bosch GmbH, Stutt...

1. A method for controlling a belt-driven starter generator of an internal combustion engine, the method comprising:in an idling instance of the internal combustion engine:
controlling, by a processor, the belt-driven starter generator to provide to the internal combustion engine a specified test torque; and
controlling, by the processor, the internal combustion engine to decrease an actual torque of the internal combustion engine by the specified test torque;
determining, by a processor, a speed variable that is a function of a speed of the internal combustion engine resulting from the controlling of the belt-driven starter generator and of the internal combustion engine by the processor;
evaluating, by the processor, the speed variable;
deducing, by the processor and from the evaluation, a torque accuracy at which the belt-driven starter generator provides torque to the internal combustion engine relative to setpoints specified by the processor; and
based on the deduced torque accuracy, the processor controlling the belt-driven starter generator.

US Pat. No. 10,458,349

METHOD OF START/STOP ENGINE CONTROL BASED ON LOCATION INFORMATION

GM GLOBAL TECHNOLOGY OPER...

1. A method of start/stop engine control based on vehicle location and driving situation comprising:identifying the location of a host vehicle relative to an object in a path of the host vehicle using an on-board camera;
identifying the driving situation of the host vehicle using a traffic flow determination module configured to access traffic information from a V2V or V2I communication system;
classifying the location and the driving situation of the host vehicle; and
modifying the start/stop engine control based on the location classification and the driving situation classification by initiating an auto-start event when the distance between the host vehicle and the object in the path of the host vehicle increases;
wherein the modifying includes at least one of extending a period before engine shutdown, temporarily disabling engine shutdown, or avoiding engine restart.

US Pat. No. 10,458,348

CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control apparatus for an internal combustion engine, the internal combustion engine includes a turbocharger having a turbine arranged in an exhaust passage of the internal combustion engine and a compressor arranged in an intake passage of the internal combustion engine; an exhaust gas purification catalyst arranged in the exhaust passage at a location downstream of the turbine of the turbocharger; a bypass passage for flowing exhaust gas from a first portion of the exhaust passage upstream of the turbine of the turbocharger to a second portion of the exhaust passage downstream of the turbine and upstream of the exhaust gas purification catalyst; and a waste gate valve having a valve body for opening and closing an outlet of the bypass passage by its rotary motion on a predetermined pivot axis, and an actuator for rotating the valve body, whereinthe exhaust gas purification catalyst, the bypass passage and the waste gate valve are arranged in such a manner that when a degree of opening of the waste gate valve, which is an angle of rotation of the valve body of the waste gate valve from its fully closed state, is equal to or more than a predetermined degree of opening, an extension line of a closure surface of the valve body of the waste gate valve, which is a surface of the valve body acting to close the outlet of the bypass passage, intersects an upstream side end face of the exhaust gas purification catalyst, whereas when the degree of opening of the waste gate valve is less than the predetermined degree of opening of the waste gate valve, the extension line of the closure surface of the valve body of the waste gate valve does not intersect the upstream side end face of the exhaust gas purification catalyst, but intersects a wall surface of the exhaust passage located at the upstream side of the upstream side end face of the exhaust gas purification catalyst,
the control apparatus comprising a controller configure to:
obtain a temperature of the exhaust gas purification catalyst; and
control the degree of opening of the valve body of the waste gate valve, wherein,
the controller is programmed to, at a time of execution of fuel cut off processing, which is processing to stop supply of fuel to the internal combustion engine in a course of operation of the internal combustion engine, obtain the temperature of the exhaust gas purification catalyst; and control the waste gate valve in such a manner that when the temperature of the exhaust gas purification catalyst is less than a predetermined temperature, the valve body of the waste gate valve is made to be fully closed, whereas when the temperature of the exhaust gas purification catalyst is equal to or more than the predetermined temperature, the degree of opening of the valve body of the waste gate valve is made to be a deterioration suppression opening degree which is larger than when the valve body is fully closed and smaller than the predetermined degree of opening of the waste gate valve to suppress the deterioration of the exhaust gas purification catalyst.

US Pat. No. 10,458,347

POWER TRAIN SYSTEM

HITACHI, LTD., Chiyoda-K...

1. A power train system comprising:a spark ignition type internal combustion engine;
a gas component separation device which extracts a plurality of gas components having different specific heat ratios from an exhaust gas of the internal combustion engine;
a recirculation device which recirculates the plurality of gas components to a combustion chamber of the internal combustion engine; and
a gas components ratio adjustment device which adjusts a ratio of the plurality of gas components recirculated to the combustion chamber in response to an operation state or a fuel property state of the internal combustion engine,
wherein the gas components having different specific heat ratios are a gas component having a relatively large specific heat ratio and a gas component having a relatively small specific heat ratio, and
wherein the gas components ratio adjustment device increases a ratio of the gas component having a relatively large specific heat ratio when an engine torque of the internal combustion engine is lower than a predetermined value and increases a ratio of the gas component having a relatively small specific heat ratio when the engine torque is higher than the predetermined value.

US Pat. No. 10,458,346

COMBUSTION PRESSURE FEEDBACK BASED ENGINE CONTROL WITH VARIABLE RESOLUTION SAMPLING WINDOWS

Woodward, Inc., Fort Col...

1. A controller for controlling operation of a dual-fuel internal combustion engine of an engine system, the engine system comprising a pressure sensor configured to measure pressure in a cylinder of the engine and generate a corresponding pressure signal and a crank angle sensor configured to measure the crank angle of the engine and generate a corresponding crank angle signal, the controller comprising:a processor couplable to the pressure sensor and the crank angle sensor; and
at least one non-transitory computer readable medium storing instructions operable to cause the processor of the controller to perform operations comprising:
(a) sample the crank angle signal,
(b) sample the pressure signal of each cylinder of the engine at a first frequency during a first range of cylinder crank angles, the first range of cylinder crank angles including the ignition position of the cylinder and at least a portion of a combustion period of the cylinder,
(c) sample the pressure signal at a second frequency during a second range of cylinder crank angles, the second frequency being lower than the first frequency,
(d) calculate combustion metrics including indicated mean effective pressure (IMEP), an adiabatic heat release rate of combustion in the cylinder, and combustion phasing based on the sampled crank angle and pressure signals,
(e) determine a combustion phasing trigger and a fuel substitution rate between a first fuel and a second fuel as a function of the calculated adiabatic heat release rate of combustion in the cylinder,
(f) adjust the combustion phasing trigger based on the calculated combustion phasing to meet a combustion phasing target,
(g) adjust the fuel substitution rate based on the calculated IMEP to meet an IMEP target, and
(h) control the engine based on the adjusted combustion phasing trigger and fuel substitution rate.

US Pat. No. 10,458,345

APPARATUS FOR CONTROLLING GASOLINE-DIESEL COMPLEX COMBUSTION ENGINE AND METHOD FOR CONTROLLING GASOLINE-DIESEL COMPLEX COMBUSTION ENGINE

HYUNDAI MOTOR COMPANY, S...

1. An apparatus for controlling a gasoline-diesel complex combustion engine, comprising:an engine generating driving torque by burning gasoline fuel and diesel fuel;
a driving information detector for detecting driving information of the engine; and
a controller for controlling a diesel injector such that diesel fuel is selectively injected as a single injection and a split injection based on a driving region and a knock intensity included within the driving information after gasoline fuel is injected,
wherein the split injection includes a first main injection and a second main injection,
wherein the first main injection is injected at a predetermined first Before Top Dead Center Crank Angle (BTDC CA), and the second main injection is injected at a predetermined second BTDC CA, and
wherein the first BTDC CA increases as the driving region of the engine moves from a low-load region to a middle-load region.

US Pat. No. 10,458,344

THROTTLE FILTER SYSTEM AND METHOD

Spartan Motors, Inc., Ch...

1. A method of filtering a targeted frequency from a pedal input signal, the method comprising the steps of:sampling the pedal input signal at a sampling frequency;
calculating a moving average of the pedal input signal from samples of the pedal input signal; and
outputting a filtered signal based on the moving average.

US Pat. No. 10,458,343

EXHAUST GAS FLAP

1. An exhaust gas flap, for an exhaust gas stream of an internal combustion engine, the exhaust gas flap comprising:a flap tube;
a pivot shaft rotatable about a pivot axis;
a flap diaphragm comprising at least one flap wing mounted on the pivot shaft;
a wing stop associated with the at least one flap wing on an inner circumferential area of the flap tube, wherein:
the at least one flap wing has a mounting area having an essentially uncurved wing mounting surface; and
the pivot shaft, in association with the at least one flap wing, has an opposite mounting area with an essentially uncurved opposite mounting surface, the uncurved opposite mounting surface being located opposite the essentially uncurved wing mounting surface;
the wing stop associated with the at least one flap wing has a stop surface oriented essentially in the direction of a flap tube longitudinal axis, and when the flap diaphragm is positioned in a closed position, the at least one flap wing is in contact with the stop surface of the wing stop and the opposite mounting surface located opposite the mounting surface of the at least one flap wing is set back in the direction of the flap tube longitudinal axis in relation to the stop surface.

US Pat. No. 10,458,342

SYSTEM AND METHOD FOR CONTROLLING OPERATION OF A GAS TURBINE BASED POWER PLANT

General Electric Company,...

1. A system for controlling a gas turbine, comprising:a plurality of sensors, each sensor being configured to sense and communicate a signal indicative of an operating parameter of the gas turbine;
a control system including a computing device in electronic communication with each sensor of the plurality sensors, wherein the control system is configured to:
receive the signals from the sensors, at least one of the signals being indicative of a fuel parameter;
compute cumulative wear for one or more hardware components of the gas turbine based at least in part on the fuel parameter and a combustor type of the gas turbine via the computing device;
receive input instructions selecting a desired operating mode for the gas turbine;
compute a hardware consumption rate based at least in part on the cumulative wear and the desired operating mode via the computing device;
display the hardware consumption rate to an operator via a display device that is in electronic communication with the control system; and
adjust the desired operating mode of the gas turbine based at least in part on the hardware consumption rate and a cost of fuel.

US Pat. No. 10,458,340

TURBINE SHAFT POWER TAKE-OFF

1. A multi-spool gas turbine engine comprising: a low pressure (LP) spool and a high pressure (HP) spool independently rotatable of one another about an engine axis, the LP spool comprising an LP turbine, an LP compressor and an LP shaft, the HP pressure spool comprising an HP turbine, an HP compressor and an HP shaft; the LP turbine being in fluid flow communication with the HP turbine and disposed downstream therefrom, the HP compressor being in fluid flow communication with the LP compressor and disposed downstream therefrom, the LP shaft having an upstream shaft portion extending upstream of the LP turbine to a location upstream of the LP compressor to provide a first power take-off at an upstream end of the engine and a downstream shaft portion extending downstream of the LP turbine to provide a second power take-off at a downstream end of the engine.

US Pat. No. 10,458,339

GAS TURBINE ENGINE CASE FLOW BLOCKING COVERS

United Technologies Corpo...

1. A gas turbine engine component comprising:an engine case structure surrounding an engine center axis;
a plurality of holes formed in the engine case structure, wherein the plurality of holes are circumferentially spaced apart from each other about the engine center axis, and wherein the plurality of holes includes at least one balance hole to balance stiffness of the engine case structure, at least one mount hole to attach a first engine component to the engine case structure, and at least one service hole that receives a second engine component that passes through the at least one service hole, and wherein the at least one balance hole, the at least one mount hole, and the at least one service hole are circumferentially spaced apart from each other; and
at least one cover that only covers the at least one balance hole such that air is prevented from passing through the at least one balance hole, and wherein the at least one cover is made from a flexible material and does not add any stiffness to the engine case structure.

US Pat. No. 10,458,338

AERODERIVATIVE JET ENGINE ACCESSORY STARTER RELOCATION TO MAIN SHAFT—DIRECTLY CONNECTED TO HPC SHAFT

General Electric Company,...

1. A gas turbine starting system, comprising:a shaft coupling a high pressure compressor and a turbine;
an annular housing extending circumferentially around the shaft, wherein the annular housing defines a compartment, and wherein the annular housing is located axially between the high pressure compressor and a low pressure compressor;
a flange extending radially outward from the annular housing for mounting the annular housing to a stationary wall;
an electric starter motor including a rotor and a stator, the rotor and stator positioned in the compartment; and
a collar rotatably coupled to the annular housing and selectively coupled to the electric starter motor such that the rotor and stator of the electric starter motor is positioned axially between the collar and the flange; the collar comprising a radially inner surface comprising a plurality of splines for engaging the shaft;
wherein the electric starter motor, when activated, rotates the collar, which rotates the shaft to start a gas turbine.

US Pat. No. 10,458,337

DUAL INLINE VALVE WITH MANUAL OVERRIDE

HAMILTON SUNDSTRAND CORPO...

1. A starter air valve comprising:a housing comprising an inlet at a first end, an outlet at a second end opposite the first end, and a center portion between the first end and the second end, the outlet being fluidly connected to the inlet through a fluid passage;
a first piston located within the housing between the first end and the center portion, the first piston configured to block airflow through the fluid passage when in a closed position and allow airflow through the fluid passage when in an open position;
a second piston located within the housing between the second end and the center portion, the second piston configured to block airflow through the fluid passage when in a closed position and allow airflow through the fluid passage when in an open position; and
a manual override system configured to move from the closed position to the open position at least one of the first piston and the second piston, the manual override system including a dual manual override, the dual manual override comprising:
a first manual override having a first input point operably connected to the first piston through a first control arm, the first input point configured to rotate the first control arm when the first input point is rotated, wherein the first piston moves from the closed position to the open position when the first control arm is rotated, and
wherein the first manual override further comprises:
a first ball detent system operable to lock the first manual override in a first open position, wherein the first ball detent system further comprises:
a first plate having a first open hole at the first open position;
a first ball located opposite the first plate; and
a first biasing mechanism configured to press first ball against the first plate and secure the first ball in the first open hole when first ball detent system is in the first open position.

US Pat. No. 10,458,336

APPARATUS INCLUDING HEAT EXCHANGER AND SOUND ATTENUATOR FOR GAS TURBINE ENGINE

General Electric Company,...

1. An apparatus for attenuating sound waves in a gas turbine engine, said apparatus comprising:a surface at least partially defining a pathway for airflow; and
a plurality of fins extending from said surface, said plurality of fins configured to dissipate heat into the airflow, each fin of said plurality of fins including a first angled wall and a second angled wall, said first angled wall and said second angled wall of each fin of said plurality of fins forming a wedge shape, at least one of said first angled wall and said second angled wall of each fin of said plurality of fins comprising a fin surface, wherein each fin surface is configured to direct the sound waves between said plurality of fins such that said plurality of fins attenuate the sound waves, said plurality of fins arranged such that spacing between adjacent fins of said plurality of fins facilitates sound attenuation.

US Pat. No. 10,458,335

MINIMUM PRESSURE SHUT-OFF VALVE

Hamilton Sundstrand Corpo...

1. A minimum pressure valve comprising:a sleeve defining a bore that extends along an axis and includes at least a first window, a second window and a third window, with only the third window including a notch and the first window and the second window including an identical size and shape;
a spool movable within the bore that restricts flow through the first window and the second window;
a cap received within a chamber holding the sleeve against an inner surface of the chamber and a spring against the spool; and
a spring seat received within the cap that is movable for adjusting a minimum force exerted by the spring on the spool.

US Pat. No. 10,458,334

MOBILE POWER GENERATION SYSTEM INCLUDING CLOSED CELL BASE STRUCTURE

On-Power, Inc., Lebanon,...

1. A mobile power generation system comprising:a trailer including a rear end, a front end, a bottom end, and a top end defining therebetween an interior space;
a gas turbine housed inside the trailer in the interior space;
an electrical generator coupled to the gas turbine to generate electricity and housed inside the trailer in the interior space; and
one or more support jacks configured to support a base at the bottom end of the trailer with respect to a ground;
the base including a closed cell base structure, the closed cell base structure including a rigid surface to be mounted on top of the one or more support jacks, the closed cell base structure configured to include a sufficient amount of torsional stiffness to provide torsional stability and assist with distribution of uneven loads due to variance of forces from the one or more support jacks against the rigid surface.

US Pat. No. 10,458,333

REDUCED STRESS BOSS GEOMETRY FOR A GAS TURBINE ENGINE

United Technologies Corpo...

1. A case for a gas turbine engine, comprising:a machined case wall;
a first perimeter step that extends from the machined case wall via a radius machined around a periphery of the first perimeter step; and
a second perimeter step that extends from the first perimeter step via a radius machined around a periphery of the second perimeter step, the first perimeter step and the second perimeter step form a boss with a boss thickness greater than the machined case wall thickness.

US Pat. No. 10,458,332

COOLED GAS TURBINE ENGINE COOLING AIR WITH COLD AIR DUMP

United Technologies Corpo...

1. A gas turbine engine comprising:a compressor section including a low pressure compressor and a high pressure compressor, with a downstream most end defined in said high pressure compressor;
a core engine housing surrounding said compressor section and a turbine section, and there being a high pressure turbine and a low pressure turbine, and said low pressure turbine having a downstream most end;
a first tap for tapping high pressure cooling air from a location downstream of said downstream most end in said high pressure compressor and passing said high pressure cooling air through a heat exchanger, and there being a second tap for tapping compressed air from a location upstream of said downstream most end in said high pressure compressor, and said second tap air connected to pass over said heat exchanger, cooling said high pressure cooling air, with a chamber defined between said core engine housing and a nacelle airflow wall, and said second tap air flowing through said chamber;
said second tap air connected to move from said chamber into a core engine flow at a location downstream of said downstream most end of said low pressure turbine;
wherein a high pressure valve is positioned on said first tap for said high pressure cooling air to control the flow of high pressure cooling air to said heat exchanger; and
wherein the high pressure valve selectively bypassing the high pressure cooling air around said heat exchanger and into said core engine housing to provide cooling air.

US Pat. No. 10,458,331

FUEL INJECTOR WITH HEAT PIPE COOLING

UNITED TECHNOLOGIES CORPO...

1. A fuel injector for a gas turbine engine comprising:a nozzle configured to dispense fuel into a combustor of the gas turbine engine;
a fuel conduit fluidly connecting a fuel source to the nozzle to supply fuel therethrough; and
a heat pipe having a vaporization section and a condensation section, wherein the vaporization section is in thermal communication with the nozzle and the condensation section is in thermal communication with the fuel source, wherein the condensation section extends into the fuel source.

US Pat. No. 10,458,330

AUXILIARY OIL SYSTEM FOR GEARED GAS TURBINE ENGINE

United Technologies Corpo...

1. A gas turbine engine comprising:a fan drive turbine, a fan rotor, and a gear reduction driven by said fan drive turbine to, in turn, drive said gear architecture, a main oil supply system for supplying oil to components within said gear reduction, and an auxiliary oil supply system;
said auxiliary oil system being operable to ensure that the gear reduction will be adequately supplied with lubricant for at least 30 seconds at power should the main oil supply system fail;
wherein said gear reduction includes a sun gear being driven by said fan drive turbine to drive intermediate gears that engage a ring gear;
wherein said sun gear, said intermediate gears and said ring gear are enclosed in a bearing compartment, which captures oil removed via a scavenge line connected to a main oil pump;
wherein said main oil pump has an oil gutter that directs scavenge oil to a main oil tank;
wherein said gear reduction is surrounded by said oil gutter that scavenges oil and directs it to an auxiliary oil tank; and
wherein said gutter is at least 70% efficient, defined as the volume of oil captured in said gutter being directed to said auxiliary oil tank compared to a volume of oil that falls out of said gutter and is scavenged by said main scavenge pump.

US Pat. No. 10,458,329

SYSTEM AND PROCESS FOR RECOVERING POWER AND STEAM FROM REGENERATOR FLUE GAS

UOP LLC, Arlington Heigh...

1. A power generation process for use in a processing unit, the process comprising:using a regenerator to produce a flue gas stream, wherein the flue gas
stream exits from an upper portion of the regenerator; routing the flue gas stream to a filtering unit;
removing catalyst particles from the flue gas stream;
routing the flue gas stream to a combustor/expander unit after performing the step of removing catalyst particles, wherein the combustor/expander unit comprises a combustion chamber and a power recovery turbine housed within a single casing, the flue gas stream is routed between the regenerator and the combustor/expander unit without passing through a compressor, and the combustion chamber of the combustor/expander unit heats the flue gas stream to between approximately 1600° F. and approximately 2500° F.; and
using rotation of the turbine of the combustor/expander unit as a source of rotary power.

US Pat. No. 10,458,327

FUEL INJECTION STRATEGIES IN OPPOSED-PISTON ENGINES WITH MULTIPLE FUEL INJECTORS

ACHATES POWER, INC., San...

1. A fuel injection means for injecting fuel into a cylinder of an opposed-piston engine, including:two fuel injectors disposed for direct side injection of fuel into a combustion chamber defined between end surfaces of a pair of opposed pistons as the pair of opposed pistons approach top dead center locations in the cylinder;
engine control means responsive to engine operating conditions for generating output control signals; and,
an injector driver responsive to the output control signals for generating first fuel injector actuation signals operative to cause a first fuel injector of the two fuel injectors to emit a first split injection including a pilot injection followed by a main injection and second fuel injector actuation signals operative to cause a second fuel injector of the two fuel injectors to emit a second split injection including a pilot injection followed by a main injection independently of the first fuel injector;
wherein the first fuel injector actuation signals are constrained by a minimum time interval occurring between successive first fuel injector actuation signals;
wherein the second fuel injector actuation signals are constrained by the minimum time interval occurring between successive second fuel injector actuation signals;
wherein the fuel injector actuation signals impose a time interval separating each pilot injection from its following main injection.

US Pat. No. 10,458,326

VEE ENGINE DUAL INBOARD CAMSHAFT SYSTEM

Caterpillar Inc., Peoria...

1. An internal combustion engine, comprising:a cylinder case rotatably supporting a crankshaft having a front end and a rear end;
a first geartrain disposed on a front end of the cylinder case, the first geartrain being meshably connected with a first driving gear connected to the front end of the crankshaft;
a second geartrain disposed on a rear end of the cylinder case, the second geartrain being meshably connected with a second driving gear connected to the rear end of the crankshaft;
a first camshaft rotatably supported relative to the cylinder case, the first camshaft having a first rotational axis and having a first driven gear connected to a front end of the first camshaft, the first driven gear being meshably connected to the first geartrain, wherein the first camshaft operates intake and exhaust valves associated with cylinders formed in the cylinder case;
a second camshaft rotatably supported relative to the cylinder case, the second camshaft having a second rotational axis and having a second driven gear connected to a rear end of the second camshaft, the second driven gear being meshably connected to the second geartrain, wherein the second camshaft operates unit fuel injectors associated with the cylinders formed in the cylinder case;
wherein the first rotational axis and the second rotational axis are parallel, and wherein the intake and exhaust valves operate independently from the unit fuel injectors.

US Pat. No. 10,458,325

ROTARY INTERNAL COMBUSTION ENGINE WITH PILOT SUBCHAMBER AND IGNITION ELEMENT

1. A rotary engine comprising:an outer body having walls defining an internal cavity;
a rotor rotatable within the internal cavity in sealing engagement with the walls of the outer body;
an insert having a pilot subchamber defined therein, the pilot subchamber communicating with the internal cavity;
a pilot fuel injector having a tip in communication with the pilot subchamber; and
an ignition element extending into an element cavity defined through the insert adjacent the pilot subchamber, the element cavity in communication with the pilot subchamber through a communication opening defined in the insert between the element cavity and the pilot subchamber, the communication opening being smaller than a portion of the ignition element adjacent the communication opening such as to prevent the portion of the ignition element from completely passing through the communication opening upon breaking off of the portion of the ignition element from a remainder of the ignition element.

US Pat. No. 10,458,324

ROTARY PISTON ENGINE

9. A rotary piston engine comprising:a rotatable cylindrical rotor having a plurality of longitudinally extending cylinder-forming bores disposed on the perimeter of the cylindrical rotor which are mutually parallel to each other and to an output shaft axially extending through the cylindrical rotor;
slidable pistons;
wherein each of the plurality of longitudinally extending cylinder-forming bores has one of the slidable pistons disposed therein;
an engine housing encompassing the rotatable cylindrical rotor;
means interconnecting the engine housing and one of the slidable pistons for causing rotation of the rotatable cylindrical rotor;
wherein said each of the plurality of longitudinally extending cylinder-forming bore include a front portion and a rear portion;
wherein the rotary piston engine further includes:
means for inhaling ambient aft into the rear portion of a first half of said each of the plurality of longitudinally extending cylinder-forming bore in response to sliding movement of one of the slidable pistons in the first half of said each of the plurality of longitudinally extending cylinder-forming bores toward the front portion of said each of the plurality of longitudinally extending cylinder-forming bores and an angular position of the rotatable cylindrical rotor;
means for injecting fuel;
means for causing combustion of fuel-air mixture; and
means for exhausting combustion gas from the front portion of a second half of said each of the plurality of longitudinally extending cylinder-forming bores in response to sliding movement of one of the slidable pistons in the second half of said each of the plurality of longitudinally extending cylinder-forming bores toward the rear portion of said each of the plurality of longitudinally extending cylinder-forming bores and the angular position of the rotatable cylindrical rotor.

US Pat. No. 10,458,323

INTERNAL COMBUSTION ENGINES

COX POWERTRAIN LIMITED, ...

1. An internal combustion engine comprising:at least one cylinder;
a pair of opposed, reciprocating pistons within the cylinder forming a combustion chamber therebetween, wherein the pair of opposed, reciprocating pistons comprise an inner piston and an outer piston, the outer piston having a crown with a central opening; and
at least one combustion igniter associated with the cylinder, a portion of the combustion igniter being exposed within the combustion chamber formed between the opposed pistons, wherein the combustion igniter moves back and forth through the central opening in the crown of the outer piston as the outer piston reciprocates with respect to the fixed combustion igniter,
wherein the combustion igniter is fixed at one end of the cylinder and projects into the cylinder from that end, along the central axis of the cylinder, to locate said portion of the combustion igniter in a fixed position that is within the combustion chamber throughout the engine cycle, wherein the combustion igniter extends through the outer piston, which is closest to the end of the cylinder from which the combustion igniter projects, and said outer piston is configured to reciprocate along a housing within which the combustion igniter is housed so that the outer piston reciprocates relative to the fixed position of the combustion igniter.

US Pat. No. 10,458,322

SURGE DETERMINATION DEVICE, SURGE DETERMINATION METHOD, AND PROGRAM

MITSUBISHI HEAVY INDUSTRI...

1. A surge determination device that determines a surge of a compressor that outputs compressed air to an engine, the surge determination device comprising:an airflow meter that detects an intake flow rate of air supplied to the engine;
a rotation speed meter that detects a rotation speed of the engine;
a processor and a storage unit that stores a program that causes the processor to:
obtain the rotation speed of the engine;
obtain the intake flow rate;
calculate a determination condition for determining whether there is the surge based on both the rotation speed and the intake flow rate;
apply a current rotation speed and a current intake flow rate to the calculated determination condition; and
determine whether there is the surge by comparing a result of the applying step with a predetermined threshold value,
wherein the compressor is disconnected from an intake air flow path of the engine that supplies intake air to the engine when the surge of the compressor is detected in the surge determining step.

US Pat. No. 10,458,321

CHARGER DEVICE WITH VARIABLE TURBINE GEOMETRY

1. A charger device comprising:a variable turbine geometry having guide vanes mounted rotatably in a vane bearing ring, each guide vane having a top side that runs continuously in convex fashion from a profile nose to a profile end,
wherein a concave recess is arranged on a bottom side of each guide vane, and
wherein for each guide vane, a radius of curvature of the recess is between ¼ and ? of a length of the guide vane.

US Pat. No. 10,458,320

TURBOCHARGER WASTEGATE ACTUATOR ASSEMBLY

GM GLOBAL TECHNOLOGY OPER...

1. A wastegate actuator assembly comprising:a regulating rod having a proximate end region and a distal end region, the proximate end region of the regulating rod being connected to an actuator; and
an arm having a first end region and a second end region, the first end region being pivotally coupled to the distal end region of the regulating rod via a crank pin, a first cup spring and a second cup spring retaining a solid lubricant substantially around the crank pin; and
a shaft configured to rotate about a shaft axis disposed in a turbine housing and rotationally fixed to the second end region of the arm;
wherein the regulating rod is configured to move in a linear fashion relative to the actuator causing the arm and the shaft to rotate about the shaft axis proximate to the second end region of the arm so as to move a wastegate cover connected to the shaft toward and away from a wastegate duct.

US Pat. No. 10,458,319

WASTEGATE ASSEMBLY, A TURBOCHARGER THAT UTILIZES THE WASTEGATE ASSEMBLY AND A METHOD

GM Global Technology Oper...

1. A wastegate assembly comprising:an arm defining a hole;
a shaft including a first end disposed inside the hole of the arm;
wherein the shaft includes an outer surface defining a groove disposed inside the hole of the arm; and
wherein the arm and the first end of the shaft are welded together to form a joint having a joint root region disposed adjacent to the groove.

US Pat. No. 10,458,318

METHOD FOR ADJUSTING EXHAUST GAS TEMPERATURE AND TURBINE WITH BYPASS ARRANGEMENT

1. A turbocharger, comprising:a turbine comprising
a scroll passage comprising at least first and second portions,
a gas outlet extending axially from the scroll passage,
a turbine wheel comprising one or more blades disposed in the gas outlet, and means for establishing a bypass flow between the first and second portions of the scroll passage,
wherein the means for establishing the bypass flow comprises a nozzle ring arranged between the scroll passage and the gas outlet, the nozzle ring comprising a plurality of vanes fixed relative to tire nozzle ring and adapted to direct a flow of gas from the scroll passage against the one or more blades of the turbine wheel in the gas outlet, the first and second portions of the scroll passage being disposed radially outward of the nozzle ring, the nozzle ring comprising at least one sealing vane that seals the first portion of the scroll passage from the second portion of the scroll passage, and means for moving the sealing vane relative to the scroll passage to establish a bypass flow between the first and second portions of the scroll passage.

US Pat. No. 10,458,317

BOOSTED ENGINE SYSTEM OF A MOTOR VEHICLE

Ford Global Technologies,...

1. A method, comprising:responsive to a demanded torque being above a threshold while providing boosted air at a first pressure to an engine via a turbocharger compressor, operating an electric compressor via an electronic controller, wherein the electric compressor is arranged in parallel with the turbocharger compressor and wherein the electric compressor is fluidly disconnected from the engine, to increase a second pressure in a recirculation circuit around the electric compressor;
wherein the recirculation circuit comprises an electrically controlled first valve arranged to connect at a position between a shut-off valve and an outlet of the electric compressor; and
responsive to the second pressure reaching the first pressure, fluidly connecting the electric compressor to the engine.

US Pat. No. 10,458,316

DEVICE FOR CONTROLLING THE AMOUNT OF AIR FED INTO THE INTAKE OF A SUPERCHARGED INTERNAL COMBUSTION ENGINE AND METHOD USING SUCH A DEVICE

IFP Energies nouvelles, ...

1. A device for controlling an amount of compressed air provided to an intake of a supercharged internal combustion engine having cylinders connected to the intake and each cylinder having at least one gas outlet coupled to an exhaust manifold comprising:a turbo-compressor including a turbine which rotates an outside air compressor which provides compressed air to intakes of the turbine which respectfully receive exhaust gas from different cylinders, a partial transfer duct housed within a body of a casing of the turbo-compressor which comprises two branches which are respectively coupled to different intakes of the turbine to provide compressed air flowing from the outside air compressor through the branches into the intakes of the turbine, the intakes of the turbine also respectfully receiving exhaust gas flowing from the exhaust manifold, each branch including a shut-off valve which controls the circulation of the compressed air in the branch to one of the intakes of the turbine and wherein a length of the partial transfer duct within the casing minimizes a length along which compressed air flows between an outlet of the outside air compressor and the intakes of the turbine which lessens engine response time.

US Pat. No. 10,458,315

COMPRESSOR STRUCTURE FOR TURBOCHARGERS

OTICS Corporation, Nishi...

1. A compressor structure for turbochargers configured to be able to accommodate an impeller, comprising:an intake port for drawing in air toward the impeller;
a scroll chamber formed in a circumferential direction on an outer circumferential side of the impeller in such a manner to flow air discharged from the impeller;
a discharge port for discharging air flowing through the scroll chamber to an outside; and
an intermediate part for communicating the discharge port and the scroll chamber,
wherein the compressor structure includes a scroll piece, a shroud piece and a seal plate assembled with each other in an axial direction as separate members,
wherein the scroll piece includes the intake port formed penetrating in the axial direction; an intake-side wall surface constituting a wall surface of the scroll chamber on an intake side on an outer circumferential side of the intake port; a penetration part formed penetrating in the axial direction and having an intake side end constituting the discharge port; and a first intermediate wall surface configured to constitute a part of the inner wall surface of the intermediate part, smoothly extending from the intake-side wall surface to the discharge port in such a manner that an extending direction of the first intermediate wall surface approaches a direction parallel to the axial direction by being bent toward the intake side,
wherein the shroud piece includes a cylindrical shroud press fitting part to be press-fitted into the intake port; an inner circumferential side wall surface constituting a wall surface on an inner circumference side of the scroll chamber; a shroud surface opposed to the impeller; and a diffuser surface extending from the shroud surface toward the scroll chamber,
wherein the seal plate includes an outer circumferential side wall surface constituting a wall surface on an outer circumferential side of the scroll chamber; and a protruding part protruding toward the intake side so as to be inserted into the penetration part in the axial direction,
wherein the protruding part includes a second intermediate wall surface configured to constitute a part of the inner wall surface of the intermediate part, the second intermediate wall surface extending from the outer circumferential side wall surface in such a manner that an extending direction of the second intermediate wall surface approaches a direction parallel to the axial direction by being bent toward the intake side,
wherein the second intermediate wall surface faces in a direction of the first intermediate wall surface, and each of the first intermediate wall surface and the second intermediate wall surface is formed to have a semicircular-arc shape in a cross-section of the intermediate part vertical to a flow path,
wherein the semicircular-arc shape of each of the first intermediate wall surface and the second intermediate wall surface form a circular shape in cross-section for the inner wall surface of the intermediate part, and
wherein each of the first intermediate wall surface and the second intermediate wall surface bend to a direction approaching parallel to the axial direction from a direction orthogonal to the axial direction.

US Pat. No. 10,458,314

HYBRID INTERCOOLER SYSTEM INTEGRATED WITH AIR CONDITIONING SYSTEM AND METHOD OF CONTROLLING THE SAME

HYUNDAI MOTOR COMPANY, S...

1. A hybrid intercooler system integrated with an air conditioning system, comprising:an air cooling unit configured to exchange heat between outside air passing through outer walls of a plurality of compressed intake air passages and compressed intake air flowing in the plurality of compressed intake air passages so as to cool the compressed intake air;
a water cooling unit configured to exchange heat between a water-cooling-unit refrigerant surrounding the outer walls of the plurality of compressed intake air passages and the compressed intake air cooled by the air cooling unit,
wherein the water cooling unit comprises:
a water-cooling-unit refrigerant tank configured to surround the plurality of compressed intake air passages, and
a bypass line branched from a receiver drier, and configured to communicate with a compressor through the water-cooling-unit refrigerant tank; and
a first bypass valve and a second bypass valve mounted on the bypass line at locations upstream and downstream of the water-cooling-unit refrigerant tank, respectively, so as to open or close the bypass line.

US Pat. No. 10,458,313

MULTIFUNCTIONAL ROTARY VALVE MODULE

HANON SYSTEMS, Daejeon (...

1. An engine exhaust gas circuit comprising:a primary circuit in fluid communication with an intake of an engine and an outlet of the engine, the primary circuit conveying a gas from the outlet of the engine to the intake of the engine and includes a valve body having a rotary flap rotatably disposed in the valve body, the rotary flap selectively permits the gas to be divided into partial mass flows to the environment and the intake of the engine or an entirety of the gas to flow to the environment; and
a bypass circuit extending from a branch point intermediate the outlet of the engine and the valve body to the valve body, the bypass circuit having a heat exchanger disposed therein;
wherein the valve body includes a bypass gas inlet receiving the gas from the bypass circuit, a gas inlet from the engine receiving the gas from the primary circuit, a gas outlet to an exhaust conveying the gas to the environment, and a gas outlet to the intake of the engine conveying the gas to the intake of the engine, wherein the bypass gas inlet, the gas inlet from the engine, the gas outlet to the exhaust, and the gas outlet to the intake of the engine are independently formed in the valve body, wherein the bypass gas inlet, the gas inlet from the engine, the gas outlet to the exhaust, and the gas outlet to the intake of the engine are circumferentially disposed about the valve body, and wherein the bypass gas inlet is disposed intermediate the gas outlet to the exhaust and the gas outlet to the intake of the engine, and the gas inlet from the engine is disposed intermediate the gas outlet to the exhaust and the gas outlet to the intake of the engine.

US Pat. No. 10,458,312

SYSTEMS AND METHODS FOR CONTROLLING ENRICHED PRECHAMBER STOICHIOMETRY

Caterpillar Inc., Peoria...

1. An ignition control system for an internal combustion engine comprising:a sensor structured to measure at least one of CO2 or O2 in a combustion prechamber of a prechamber ignition device; and
an electronic control unit structured to:
receive data indicative of a residual amount of the at least one of CO2 or O2 produced by combustion of fuel and air in the combustion prechamber;
determine an air-fuel ratio in the combustion prechamber associated with production of the amount of the at least one of CO2 or O2; and
output a fuel delivery signal to adjust air-fuel ratio in the combustion prechamber towards a target air-fuel ratio.

US Pat. No. 10,458,311

INTERNAL COMBUSTION ENGINE

MAHLE Powertrain LLC, Fa...

1. An internal combustion engine comprising at least one cylinder and a piston supported for repeated reciprocal movement in the cylinder so as to define a combustion chamber of an engine bore diameter (A-A), the internal combustion engine further comprising an ignition device arranged in the cylinder having an igniter portion and a fuel injector which are both arranged in a pre-chamber, wherein the pre-chamber comprises a plurality of orifices for providing fluid communication between the pre-chamber and the combustion chamber, and wherein the plurality of orifices are of an overall orifice area so that a ratio between the overall orifice area and the engine bore diameter (A-A) ranges from 0.01 mm to 0.2 mm.

US Pat. No. 10,458,310

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control device for an internal combustion engine, comprising:wall temperature parameter acquisition unit for acquiring a cylinder wall temperature of an internal combustion engine or a parameter corresponding to the cylinder wall temperature as a wall temperature parameter;
cylinder wall temperature varying unit that is capable of changing the cylinder wall temperature;
pre-ignition temperature region storage unit in which a pre-ignition suppression temperature region in which a pre-ignition occurrence frequency decreases more than in a peripheral temperature region is previously stored, the pre-ignition suppression temperature region being a temperature region that is set based on a relation between a pre-ignition occurrence frequency and the cylinder wall temperature; and
cylinder wall temperature control unit for, in response to an actual operating region that is a region in which the internal combustion engine is actually operating being within a predetermined pre-ignition susceptibility operating region, performing control using the cylinder wall temperature varying unit so that the wall temperature parameter falls within the pre-ignition suppression temperature region;
wherein the cylinder wall temperature control unit is configured to raise the wall temperature parameter in response to the wall temperature parameter being lower than the pre-ignition suppression temperature region, and configured to decrease the wall temperature parameter in response to the wall temperature parameter being higher than the pre-ignition suppression temperature region.

US Pat. No. 10,458,309

WORK VEHICLE

Komatsu Ltd., Tokyo (JP)...

1. A work vehicle, comprising:a vehicle body that includes a heat exchange room in which an opening portion facing a rear side is formed;
a cooling unit that is provided in the heat exchange room and includes a rear surface facing the rear side; and
a blower unit that includes:
a structure member rotatably supported to the vehicle body at one end of the vehicle body in a width direction of the vehicle body around a rotation axis extending in a vertical direction,
a fan supported to the structure member and rotationally driven around an axis, and
a movable shroud covering the fan from an outer peripheral side,
wherein the blower unit is rotatable between a closed position and an open position, the closed position being a position at which the blower unit faces the rear surface of the cooling unit and the axis is positioned in a forward-backward direction of the vehicle body, the open position being the position at which the blower unit exposes the rear surface of the cooling unit,
wherein the movable shroud includes
a shroud body that is supported so as to face the structure member and surrounds the fan,
a ring shroud that is formed in an annular shape and is provided between the shroud body and an outer peripheral end of the fan, and
a fixing portion that fixes the ring shroud to the shroud body from a side opposite to a side on which the shroud body is supported to the structure member.

US Pat. No. 10,458,308

APPARATUS FOR MODIFYING AN ENGINE OIL COOLING SYSTEM

Neal Technologies, Inc., ...

1. A kit of parts for modifying an original equipment oil cooling system for a vehicle having a diesel engine (5), the diesel engine (5) having an engine block (B) with a water cooling system (4) and a lubricating system (7) containing oil, the engine (5) having an original equipment liquid-to-liquid heat exchanger (8) in which heat from the oil is transferred to the water cooling system (4), the original equipment liquid-to-liquid heat exchanger (8) being imbedded within the engine (5) and having a predetermined mounting configuration, the original equipment liquid-to-liquid heat exchanger (8) further comprising an oil inlet (8A), an oil outlet (8B), a water inlet (8C), and a water outlet (8D) each in a predetermined location, the kit comprising:(a) an adaptor (11) configured to be installed in the engine in place of the original equipment liquid-to-liquid heat exchanger (5), the adaptor (11) having an oil inlet port (25) and an oil outlet port (12), the adaptor (11) being arranged such that when the adaptor (11) is mounted to the engine (5), the oil inlet port (25) of the adaptor (11) is positioned at the former location of the oil inlet (8A) of the original equipment liquid-to-liquid heat exchanger (8) and the oil outlet port (12) of the adaptor (11) is positioned at the former location of the oil outlet (8B) of the original equipment liquid-to-liquid heat exchanger, the adaptor (11), in an installed position, providing a flow of oil to an external oil cooling heat exchanger (15) mounted in a location different from the location of the original equipment liquid-to-liquid heat exchanger (8), the adaptor (11) further comprising a bypass water passage having a single water inlet port (55) and a single water outlet port (56), the adaptor (11) being arranged such that when the adaptor (11) is in the installed position the water inlet port (55) of the adaptor (11) is positioned at the former location of the water inlet (8C) of the original equipment liquid-to-liquid heat exchanger (8) to receive a flow of water coolant, and the water outlet port (56) of the adaptor (11) discharges the flow of water coolant to the water cooling system; and
(b) the external oil cooling heat exchanger (15) configured to be mounted in a location different from the location of the original equipment liquid-to-liquid heat exchanger (8), the oil cooling heat exchanger (15) having an inlet (27) to receive the flow of oil from the adaptor (11) and an outlet (29) to return the flow of oil to the engine (5).

US Pat. No. 10,458,307

TWO-CYCLE DIESEL ENGINE CONFIGURED FOR OPERATION WITH HIGH TEMPERATURE COMBUSTION CHAMBER SURFACES

DeltaHawk Engines, Inc., ...

1. A two-cycle diesel engine for operating with high combustion chamber surface temperatures, the engine comprising:an aluminum engine block including at least one cylinder including a first intake port and a first exhaust port, the engine block including a first fluid flow channel for cooling the engine block and a second fluid flow channel located at the exhaust port to cool the portion of the cylinder proximate the exhaust port;
a cylinder sleeve having a top end and a bottom end, and fabricated from a metal composite to include a second intake port and a second exhaust port proximate the bottom end, the sleeve being fastened to the interior of the cylinder with the intake ports being in fluid communication and the exhaust ports being in fluid communication;
a head assembly engaged with the engine block, the head assembly including a third cooling fluid flow channel;
a fuel injector assembly including an injector tip, the assembly supported by the head assembly, the injector assembly including a fuel flow channel between a fuel source and the injector tip, a return fuel channel between the injector tip and the fuel source and a cooling fuel channel between the injector tip and the fuel source ;
a stainless steel fire plate resiliently supported between the top end of the cylinder sleeve and the head assembly to cooperate with the fuel injector assembly to close the top end of the cylinder sleeve;
a crank shaft coupled to a connecting rod;
an aluminum piston having a titanium alloy crown, the piston being located within the sleeve and connected to the connecting rod to move the crown between the top of the cylinder sleeve, and below the second intake and exhaust ports;
a turbocharger including a turbine coupled to the exhaust ports and a compressor including an input coupled to an air filter and an output; and
a supercharger including a compressor coupled to the compressor output and the intake ports.

US Pat. No. 10,458,306

ABNORMALITY DIAGNOSIS APPARATUS FOR EXHAUST GAS PURIFICATION SYSTEM

Toyota Jidosha Kabushiki ...

1. An abnormality diagnosis apparatus for an exhaust gas purification system including a filter provided in an exhaust passage of an internal combustion engine to trap particulate matter in exhaust gas and a PM sensor provided in the exhaust passage downstream of said filter, said PM sensor having a pair of electrodes as a sensor element and outputting a signal representing the amount of PM deposited between said electrodes when electrical continuity between said electrodes is established due to deposition of PM between the electrodes, comprising a controller comprising at least one processor configured to:control application of voltage to said electrodes of said PM sensor;
perform an abnormality diagnosis process which is a series of processes of abnormality diagnosis including a sensor regeneration process of removing PM deposited between said electrodes of said PM sensor, a sensor diagnosis process of diagnosing abnormality of said PM sensor, and a filter diagnosis process of diagnosing abnormality of said filter, said sensor regeneration process being the process of removing PM deposited between said electrodes by oxidizing it by heating said electrodes of said PM sensor for a predetermined regeneration period, said sensor diagnosis process being the process of determining whether or not said PM sensor is abnormal based on whether or not a signal resulting from electrical continuity between said electrodes is output from said PM sensor after the application of voltage to said electrodes of said PM sensor is started by the controller at a predetermined voltage application start time after the completion of said sensor regeneration process, said filter diagnosis process being the process of determining whether or not said filter is abnormal based on whether or not the output value of said PM sensor reaches a predetermined abnormality criterion value by a predetermined diagnosis completion time at which the amount of PM deposited between said electrodes of said PM sensor that is estimated on the assumption that said filter is in a predetermined standard failure condition will reach a predetermined criterion PM deposition amount after the completion of said sensor diagnosis process, said filter diagnosis process being performed when said PM sensor is not diagnosed as abnormal by said sensor diagnosis process; and
output a diagnosis result of said sensor diagnosis process or a diagnosis result of said filter diagnosis process when said abnormality diagnosis process is performed by the controller, wherein if said PM sensor is diagnosed as abnormal by said sensor diagnosis process when said abnormality diagnosis process is performed, the controller outputs the diagnosis result that said PM sensor is abnormal, and if said filter is diagnosed as abnormal in said filter diagnosis process multiple times consecutively when said abnormality diagnosis process is performed multiple times, the controller outputs the diagnosis result that said filter is abnormal,
wherein while said abnormality diagnosis process is performed by said controller, and the output value of said PM sensor reaches said predetermined abnormality criterion value before said predetermined diagnosis completion time after the completion of said sensor diagnosis process, said controller diagnoses said filter as abnormal in said filter diagnosis process and stops the application of voltage to said electrodes of said PM sensor at the time when the output value of said PM sensor reaches said predetermined abnormality criterion value.

US Pat. No. 10,458,305

METAL SUBSTRATE FOR CATALYTIC CONVERTER AND CATALYST CARRIER

1. A metal substrate for catalytic converter for purifying exhaust gas, the metal substrate comprising a honeycomb core including a flat metal foil and a corrugated metal foil, the flat metal foil and the corrugated metal foil being layered, whereinthe corrugated foil has an offset part having different wave phases between front and rear in an axial direction of the honeycomb core,
the offset part has an oxide film formed on an exposed end surface that is exposed toward at least a gas inlet side,
the oxide film contains 30% by mass or more and 99.9% by mass or less of a first alumina with the balance comprising at least one of a second alumina, a Fe oxide, and a Cr oxide,
the first alumina comprises ?-alumina, and
the second alumina comprises at least one or more of ?, ?, ?, ?, ?, and ? aluminas.

US Pat. No. 10,458,304

METHOD FOR DIAGNOSING A QUALITY SIGNAL, CONTROL DEVICE, CONTROL DEVICE PROGRAM AND CONTROL DEVICE PROGRAM PRODUCT

Robert Bosch GmbH, Stutt...

1. A method for diagnosing a quality signal (26) provided by a quality sensor (24) used in a reagent metering system (10), wherein the reagent metering system (10) meters a urea/water solution (14) stored in a tank (12) the quality of the urea/water solution (14) is checked by the quality sensor (24), upstream of an SCR catalytic converter (20), wherein the quality sensor (24) includes a signal-processor (34) having a clock generator (36) which provides a clock signal (38), wherein the quality sensor (24) ascertains the quality signal (26) on the basis of a time-based measurement, the method comprising:transmitting the quality signal (26) to a controller (28) via an interface (40, 42);
ascertaining a measure (52, 56, 58) of the period duration of the clock signal (38) in the controller (28) based on the period duration of the clock signal (38);
comparing the period duration with at least one period duration threshold value (46, 48); and
providing a fault signal (50) when there is a deviation in a measure (52, 56, 58) of the period duration of the clock signal (38) from the period duration threshold.

US Pat. No. 10,458,303

UREA PUMP MODULE FOR VEHICLE

Hyundai Motor Company, S...

1. A vehicular urea pump module, comprising:a case including a separation plate having a urea discharge port and a plurality of pipes formed in an upper surface thereof, and upper and lower protective plates integrally formed on upper and lower surface rims of the separation plate respectively;
a cylindrical heater including a first sealing material molded over a surface of a cylindrical heat sink coupled with a positive temperature coefficient (PTC) element, the heater having a first fastening hole formed in an outer-diameter portion thereof, into which each pipe is inserted and fastened;
a motor including a second sealing material molded over a surface of a hollow stator having a coil wound around an outer-diameter portion thereof and a terminal assembled to a top thereof, the motor having a second fastening hole formed in the outer-diameter portion so that a tip end portion of the pipe, which has passed through the first fastening hole, is inserted into and fastened to the second fastening hole; and
a pump including a rotor rotatably mounted on a top thereof so as to be inserted into the hollow stator of the motor, a suction port and a discharge port formed in a bottom portion thereof, and a pair of gears rotatably mounted therein so as to rotate forwards or in reverse,
wherein, in a state in which the motor and the pump are inserted and disposed in a hollow portion of the heater, heat of the heater is transferred to the motor and the pump and also transferred to urea inside a urea tank.

US Pat. No. 10,458,301

REACTANT RELEASE ARRANGEMENT

1. A reactant release arrangement for releasing reactant into the exhaust gas stream of an internal combustion engine, the reactant release arrangement comprising:an exhaust gas guide element providing an exhaust gas flow duct and having a direction of longitudinal extension corresponding to a main exhaust gas flow direction of exhaust gas flowing in the exhaust gas flow duct;
a reactant release body carried extending into the exhaust gas flow duct along a longitudinal axis of the reactant release body at the exhaust guide element, the reactant release body comprising a body wall, wherein a reactant-receiving volume is surrounded by a wall inner surface of the body wall and is provided in the reactant release body and exhaust gas flowing in the exhaust gas flow duct flows around the reactant release body at a wall outer surface of the body wall and the reactant-receiving volume is open to the exhaust gas flow duct via at least one passage opening;
a reactant release unit for releasing reactant into the reactant-releasing volume; and
a heating device for heating the reactant release body, the heating device being associated with the body wall at least in an area of the wall inner surface of the body wall, wherein the body wall comprises an inner wall at least partly providing the wall inner surface and an outer wall at least partly providing the wall outer surface, and the heating device is arranged between the inner wall and the outer wall.

US Pat. No. 10,458,300

ENGINE EXHAUST CATALYST HEATING SYSTEM

Hyundai Motor Company, S...

1. An engine system comprising:an engine including a plurality of combustion chambers generating a driving torque by combustion of a fuel;
an intake line for supplying air to the combustion chambers;
a cylinder deactivation (CDA) device mounted at a portion of combustion chambers among the plurality of combustion chambers and selectively deactivating the portion of combustion chambers;
a first exhaust manifold connected to a first plurality of combustion chambers mounted with the CDA device;
a second exhaust manifold connected to a second plurality of combustion chambers without the CDA device;
a first exhaust line flowing an exhaust gas exhausted from the first exhaust manifold;
a second exhaust line flowing an exhaust gas exhausted from the second exhaust manifold;
a third exhaust line connected with the first exhaust line and the second exhaust line through an exhaust gas processing device;
a turbocharger including a turbine mounted at the first exhaust line and rotated by the exhaust gas and a compressor rotated in connection with the turbine for compressing external air;
an electric supercharger including a motor mounted at the intake line to supply supercharged air to the combustion chambers and an electric compressor operated by the motor; and
an air injection device supplying the air to both the second exhaust manifold and the second exhaust line in a catalyst heating mode of the exhaust gas processing device,
wherein the exhaust gas having been discharged from the first exhaust manifold is directly discharged to the turbine and the exhaust gas having been discharged from the second exhaust manifold is directly discharged to the exhaust gas processing device.

US Pat. No. 10,458,299

EXHAUST GAS AFTERTREATMENT APPARATUS

1. An exhaust gas aftertreatment apparatus to be arranged downstream of an internal combustion engine, the exhaust gas aftertreatment apparatus comprising:a housing;
a first catalyst unit within the housing;
a second catalyst unit within the housing;
at least two separate feed conduits each configured to supply an exhaust gas from the internal combustion engine, with a first conduit of the at least two separate feed conduits supplying the first catalyst unit and a second conduit of the at least two separate feed conduits supplying the second catalyst unit, for each feed conduit leading to a separate catalyst unit;
a chamber within the housing arranged between the first catalyst unit and the second catalyst unit;
an outlet conduit arranged between the at least two separate feed conduits and connected to the chamber, wherein the outlet conduit is configured to guide the exhaust gas treated by the first catalyst unit and the second catalyst unit out of the housing; and
a bypass conduit, arranged within the housing extending between the at least two separate feed conduits and configured to guide the exhaust gas from the internal combustion engine, bypassing the first catalyst unit and the second catalyst unit, to the outlet conduit such that the exhaust gas is not catalytically treated in the bypass conduit, wherein the exhaust gas treatment apparatus is configured to flow the exhaust gas through the housing at least partially about an exterior of the bypass conduit.

US Pat. No. 10,458,298

EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

AUDI AG, Ingolstadt (DE)...

1. An exhaust gas system for an internal combustion engine comprising:a first exhaust gas line leading into a first muffler;
a second exhaust gas line arranged fluidly parallel to the first exhaust gas line and leading into a second muffler, said first and second exhaust gas lines respectively being connected upstream of the first and second muffler at a branch to a common exhaust gas feed line;
a control valve arranged in the first exhaust gas line upstream of the first muffler;
a damping device fluidly arranged between the branch and the control valve and adapted for damping exhaust gas resonance vibrations, said damping device including a housing having an entry end and an exit end for the exhaust gas in a flow direction, and at least one nozzle arranged within the housing in the flow direction of the exhaust gas at a downstream location of the housing in proximity of the exit end; and
a cross section adjustment element provided in a flow connection between the first exhaust gas line and the second exhaust gas line.

US Pat. No. 10,458,297

VALVE ASSEMBLY FOR MACHINE FLUID OPERATIONS

RPM INDUSTRIES, LLC, Was...

1. A valve assembly, comprising:a housing;
an inlet/outlet port defined by the housing;
a machine fluid reservoir port defined by the housing;
a filter port defined by the housing; and
an actuating mechanism comprising a ball and a spring positioned within the housing, wherein the actuating mechanism is structured to establish:
a first fluid communication path from the machine fluid reservoir port to the inlet/outlet port upon application of negative pressure at the inlet/outlet port by a fluid component during a fluid evacuation operation; and
a second fluid communication path from the inlet/outlet port to the filter port upon application of positive pressure at the inlet/outlet port by a fluid component during a fluid refill operation.

US Pat. No. 10,458,296

CRANKCASE OIL CATCHER WITH AN APERTURE AND SEAL

Ford Global Technologies,...

1. A crankcase oil catcher configured to be provided above a crankshaft of an engine and below an associated piston, the crankcase oil catcher comprising:one or more surfaces configured to catch dispersed oil in a crankcase and direct the oil along the surfaces of the crankcase oil catcher away from a crankcase casing wall and towards a crank sump;
a first aperture for a connecting rod of the associated piston to pass through; and
a seal provided around the first aperture, wherein the seal is configured to seal against the crankcase casing wall around an opening into an engine cylinder in which the associated piston resides and provide a seal between the engine cylinder and a gap between the crankcase oil catcher and the crankcase casing wall,
wherein the crankcase oil catcher further comprises one or more fixing mounts that span the gap.

US Pat. No. 10,458,295

VALVE TRAIN DEVICE, INTERNAL COMBUSTION ENGINE COMPRISING A VALVE TRAIN DEVICE AND METHOD FOR OPERATING A VALVE TRAIN DEVICE

Daimler AG, Stuttgart (D...

1. A valve train device, comprising:a camshaft;
a first valve actuating unit for actuating a first gas exchange valve, wherein the first valve actuating unit is provided to convert a rotary motion of the camshaft into a first force for switching between two first different cam followers associated with the first gas exchange valve and wherein the first valve actuating unit has a first release element connected to the camshaft for conjoint rotation;
a second valve actuating unit for actuating a second gas exchange valve, wherein the second valve actuating unit is provided to convert the rotary motion of the camshaft into a second force for switching between two second different cam followers associated with the second gas exchange valve and wherein the second valve actuating unit has a second release element connected to the camshaft for conjoint rotation;
wherein the first and the second release elements are coupled to each other;
a first switch rod, wherein the first switch rod is connected to the camshaft for conjoint rotation in an axially movable way and wherein the first and the second release elements are coupled to the first switch rod; and
a second switch rod, wherein the second switch rod is connected to the camshaft for conjoint rotation in an axially movable way and wherein a further release element is coupled to the second switch rod.

US Pat. No. 10,458,294

VARIABLE VALVE DEVICE FOR ENGINE

Hyundai Motor Company, S...

1. A variable valve device for an engine, the variable valve device comprising:a camshaft;
a movable cam device including a movable camshaft fitted over the camshaft to be slidable in an axial direction of the camshaft, wherein cams with at least two different cam profiles and a guide protruding portion are disposed on the movable camshaft along the axial direction of the camshaft;
at least one shaft groove linearly processed on the camshaft to have a predetermined cross-sectional shape in an external circumferential surface of the camshaft along the axial direction of the camshaft;
at least one cam groove provided in an internal circumferential surface of the movable cam device to communicate with the at least one shaft groove; and
an insertion member inserted into a communication space defined between the at least one shaft groove and the at least one cam groove, wherein a rotational displacement of the camshaft is transmitted to the movable cam device by the insertion member,
wherein each of the at least one shaft groove and the at least one cam groove has a semicircular cross section, and the communication space has a circular cross section, and
wherein the insertion member includes a rod with a circular cross section and being inserted into the communication space.

US Pat. No. 10,458,293

METERING PLATE FOR REDUCTION IN DISCHARGE COEFFICIENT VARIATION BETWEEN GASEOUS FUEL INJECTORS

Woodward, Inc., Fort Col...

1. A metering plate for a poppet-style valve, the metering plate comprising:a fluid-directing body, the fluid-directing body defining a first surface and at least one peripheral surface substantially perpendicular to the first surface; and
at least one peripheral edge structure located proximal to the first surface, the at least one peripheral edge structure extending between the first surface and the at least one peripheral surface;
wherein each of the at least one peripheral edge structure includes a transition surface, the transition surface extending at least a portion of the at least one peripheral edge structure between the first surface and the at least one peripheral surface.

US Pat. No. 10,458,292

GAS EXCHANGE VALVE ACTUATOR FOR AXIAL DISPLACEMENT OF A GAS EXCHANGE VALVE OF A COMBUSTION ENGINE

FREEVALVE AB, Angelholm ...

1. A gas exchange valve actuator for axial displacement of a gas exchange valve of a combustion engine, the actuator being configured to be connected to a pressure fluid source and a pressure fluid sink, respectively, and being configured to be driven by a gaseous pressure fluid, the actuator comprising:an actuator piston comprising an actuator piston disc and an actuator piston rod projecting from the actuator piston disc in an axial direction;
a cylinder volume, the actuator piston disc separating said cylinder volume in a first part and a second part and being displaceable back and forth in the axial direction in said cylinder volume between an inactive position and an active position, the first part of the cylinder volume being configured for controllable fluid communication with said pressure fluid source and said pressure fluid sink, respectively, the actuator piston being biased in a direction from the second part of the cylinder volume towards the first part of the cylinder volume; and
a hydraulic circuit comprising a chamber, a free end of the actuator piston rod being disposed in said chamber,
wherein the actuator piston rod is displaceable back and forth in the axial direction in a channel in connection with axial displacement of the actuator piston disc in the cylinder volume, said channel extending between the first part of the cylinder volume and the chamber of the hydraulic circuit, and
wherein said channel comprises at least one circumferential ventilation groove that is configured to be constantly connected to said pressure fluid sink.

US Pat. No. 10,458,291

COVER PLATE FOR A COMPONENT OF A GAS TURBINE ENGINE

UNITED TECHNOLOGIES CORPO...

16. A gas turbine engine, comprising:a compressor section;
a combustor section in fluid communication with said compressor section;
a turbine section in fluid communication with said combustor section;
wherein one of said compressor section and said turbine section includes at least one component, said at least one component including a platform and an airfoil extending from said platform, wherein said platform includes a non-gas path side and a gas path side and a cover plate positioned at said non-gas path side, said platform having a leading edge rail and a trailing edge rail extending outwardly from said non-gas path side, wherein said cover plate includes a first plurality of openings that communicate a first portion of a cooling air to a first cooling cavity of said platform and a second plurality of openings that communicate a second portion of said cooling air to a second cooling cavity of said platform that is separate from said first cooling cavity, and each of said first cooling cavity and said second cooling cavity include a plurality of augmentation features, said cover plate configured as a single cover plate configured to cover both said first cooling cavity and said second cooling cavity;
said first plurality of openings are impingement holes configured to direct said first portion of said cooling air for impingement cooling said first cooling cavity;
said second plurality of openings are core feed holes configured to direct said second portion of said cooling air for providing metered cooling within said second cooling cavity; and
wherein said second cooling cavity radially extends between said trailing edge rail and said gas path side of said at least one component.

US Pat. No. 10,458,290

LOW AXIAL LENGTH HIGH TORQUE SHAFT PHASING DEVICE WITH SPEED REDUCTION

GM GLOBAL TECHNOLOGY OPER...

1. An internal combustion engine phasing system, comprising:an engine structure including a plurality of cylinders;
a plurality of pistons each disposed in a corresponding one of the plurality of cylinders;
a plurality of connecting rods each connected to a corresponding one of the plurality of cylinders;
a plurality of trunnion assemblies each including a first portion connected to the corresponding one of the plurality of connecting rods and each being disposed on a crankshaft; and
a phasing device, comprising:
a rotary input gear drivingly engaged with an output gear of the crankshaft;
a planetary gear assembly having a sun gear defining a first rotary component connected for rotation with the rotary input gear, a second rotary component connected to an actuator device including an actuator motor drivingly connected to a drive mechanism for activating an actuator link, and a third rotary component connected to a control shaft, the control shaft being drivingly connected to a second portion of the trunnion assemblies, wherein the actuator device is disposed laterally to a side of the planetary gear assembly and the planetary gear assembly has an axial length defined by an entire length of each of the first rotary component, the second rotary component and the third rotary component wherein the actuator device is disposed within the axial length.

US Pat. No. 10,458,289

SYSTEM AND METHOD FOR A PHASE CONTROL APPARATUS OF A CAM TIMING SYSTEM

Ford Global Technologies,...

5. A phase control apparatus for a camshaft, comprising:a drive wheel;
a cover plate covering a first side of the drive wheel and including a recess disposed therein;
a housing fixed to the drive wheel and positioned between the cover plate and an inner plate of the apparatus;
a vane rotor including at least one vane and positioned within the housing, where the at least one vane is positioned in a hydraulic chamber of the housing; and
a locking pin positioned within a bore of the at least one vane and movable into a locked position where the locking pin engages the recess and an unlocked position where the locking pin is not positioned within the recess, wherein, in the locked position, a first gap between a first surface of the housing and a first surface of the at least one vane is equal to a second gap between a first side of the locking pin and a first side of the recess, wherein a second side of the recess, arranged opposite the first side of the recess, is arranged farther away from the first surface of the housing than the first side of the recess.

US Pat. No. 10,458,288

METHOD AND APPARATUS FOR CONTROLLING A VARIABLE VALVE SYSTEM

TOYOTA JIDOSHA KABUSHIKI ...

1. A variable valve timing apparatus for an internal combustion engine, comprising:an actuator that activates a variable valve timing mechanism that varies a valve characteristic of an engine valve;
a detection sensor configured to detect a driving position of the actuator;
a control circuit configured to drive-control the actuator within a driving range thereof on the basis of the driving position detected by the detection sensor, and when a first predetermined execution condition or second predetermined execution condition is established, executes one of a first initialization process and a second initialization process that matches the driving position of the actuator detected by the detection sensor with an actual driving position of the actuator; and
wherein the control circuit is further configured to determine whether or not an abnormality is present in the driving position detected by the detection sensor, and stores an abnormality history after determining that the abnormality is present,
wherein the control circuit is configured to execute the first initialization process when the abnormality history is stored, in which the driving position detected by the detection sensor in a state where the actuator is driven to one end of the driving range is set at a first initial value, the actuator is then driven to an opposite end of the driving range, and the control circuit compensates for an offset amount from an appropriate value of the driving position detected by the detection sensor in a state where the actuator is driven to the opposite end of the driving range,
wherein the control circuit is configured to execute the second initialization process when the abnormality history is not stored and when an amount of increase in acceleration required of the internal combustion engine equals or exceeds a positive predetermined value, the amount of increase in acceleration being based on a positive amount of increase in a throttle opening, such that a current and variable driving position detected by the detection sensor is set at a second initial value of the driving position, the actuator is then driven to the one end of the driving range, and the control circuit compensates for the offset amount from the appropriate value of the driving position detected by the detection sensor in a state where the actuator is driven to the one end of the driving range,
wherein the control circuit is configured to increase a driving speed of the actuator to a first speed during the second initialization process that is higher than a driving speed during the first initialization process, when the actuator is driven towards the opposite end of the driving range, and
wherein the control circuit is further configured to subsequently reduce the driving speed of the actuator to a second speed when the actuator is driven towards the opposite end of the driving range and the driving position of the actuator detected by the detection sensor is closer to the opposite end of the driving range than a predetermined position.

US Pat. No. 10,458,287

COVER ASSEMBLY FOR A PUSHROD TUBE

Harley-Davidson Motor Com...

1. A pushrod tube assembly for an engine, the pushrod tube assembly comprising:a first tube configured to cover a pushrod;
a second tube configured to cover the pushrod, wherein the first tube has an inner diameter larger than an outer diameter of the second tube such that the second tube is configured to be slidably positioned in the first tube;
an annular groove formed in a first end of the first tube, wherein a diameter of the groove is larger than the inner diameter of the first tube; and
an annular seal disposed within the groove of the first tube to sealingly engage an outer surface of the second tube adjacent to a first end of the second tube.

US Pat. No. 10,458,285

DEVICE FOR CONTROLLING THE WORKING FLUID CIRCULATING IN A CLOSED CIRCUIT OPERATING ACCORDING TO A RANKINE CYCLE AND METHOD OF USING SAME

IFP ENERGIES NOUVELLES, ...

1. A device for controlling the working fluid circulating in a closed circuit operating according to a Rankine cycle, said circuit comprising a heat exchanger for evaporation of said working fluid, swept by a hot fluid from a hot source, expansion means with an inlet and an outlet for discharging the working fluid in vapour form, a cooling exchanger swept by a cold fluid for condensation of the working fluid in vapour form, and a fluid circulation and compression pump for the fluid in liquid form, characterized in that the device comprises a pressurized working fluid storage tank comprising a preset cap providing a preset pressure in the pressurized working fluid storage tank, the pressurized working fluid storage tank being provided outside said circuit and connected to said circuit by selective working fluid circulation means between said tank and said circuit comprising two fluid circulation lines each controlled by a throttling means, one of the fluid circulation lines connecting a zone of said tank below a level of working fluid in said tank to an inlet of said fluid circulation and compression pump and the other fluid circulation line connecting a zone of said tank below a level of working fluid in said tank to said circuit between an outlet of said fluid circulation and compression pump and said heat exchanger for evaporation of said working fluid so as to feed working fluid into said circuit or to remove working fluid from said circuit in order to obtain a desired flow rate, as well as desired pressures at said inlet and at said outlet of said expansion means, and characterized in that the working fluid in the pressurized working fluid storage tank is water in liquid form.

US Pat. No. 10,458,284

VARIABLE PRESSURE INVENTORY CONTROL OF CLOSED CYCLE SYSTEM WITH A HIGH PRESSURE TANK AND AN INTERMEDIATE PRESSURE TANK

Malta Inc., Cambridge, M...

1. A method comprising:in a closed cycle system, circulating a working fluid through a closed cycle fluid path including, in sequence, a compressor, a hot side heat exchanger, a turbine, and a cold side heat exchanger, wherein the closed cycle fluid path comprises a high pressure leg and a low pressure leg, wherein the closed cycle system comprises: (i) a first fluid connection between the high pressure leg and a high pressure tank and connected to the high pressure leg between an outlet of the hot side heat exchanger and an inlet of the turbine, (ii) a second fluid connection between the high pressure leg and an intermediate pressure tank and connected to the high pressure leg between the outlet of the hot side heat exchanger and the inlet of the turbine, (iii) a third fluid connection between the low pressure leg and the intermediate pressure tank and connected to the low pressure leg between an outlet of the cold side heat exchanger and an inlet of the compressor, and (iv) a fourth fluid connection between the low pressure leg and the high pressure tank and connected to the low pressure leg between the outlet of the cold side heat exchanger and the inlet of the compressor, and wherein the closed cycle system is configured to cycle between a charge mode and a discharge mode;
operating the closed cycle system in the discharge mode, wherein a generator coupled to the turbine produces electrical power;
determining an operating condition of the closed cycle system;
defining a first threshold pressure value based on the determination of the operating condition of the closed cycle system;
removing a first quantity of working fluid from the closed cycle fluid path by opening the first fluid connection, such that pressure of the working fluid in the high pressure leg decreases and pressure of the working fluid in the high pressure tank increases;
closing the first fluid connection when pressure of the working fluid in the high pressure tank reaches the first threshold pressure value; and
removing a second quantity of working fluid from the closed cycle fluid path by opening the second fluid connection, such that pressure of the working fluid in the high pressure leg decreases and pressure of the working fluid in the intermediate pressure tank increases.

US Pat. No. 10,458,283

VARYING COMPRESSION RATIOS IN ENERGY STORAGE AND RETRIEVAL SYSTEMS

Malta Inc., Cambridge, M...

1. A method comprising:operating a pumped thermal system in a charging cycle at a first compression ratio, wherein the pumped thermal system comprises a working fluid circulating through, in sequence, a compressor system, a hot side heat exchanger, a turbine system, and a cold side heat exchanger, wherein the working fluid is in thermal contact with a hot thermal storage (“HTS”) medium in the hot side heat exchanger and the working fluid is in thermal contact with a cold thermal storage (“CTS”) medium in the cold side heat exchanger; and
operating the pumped thermal system in a discharging cycle at a second compression ratio different than the first compression ratio,
wherein the pumped thermal system is configured to circulate the working fluid through, in sequence and in the same direction, the compressor system, the hot side heat exchanger, the turbine system, and the cold side heat exchanger when the pumped thermal system operates in the charging cycle and when the pumped thermal system operates in the discharging cycle.

US Pat. No. 10,458,282

GAS TURBINE ENGINE MODULE ADAPTER TO A CARRIER

1. A method of assembling a gas turbine engine having a plurality of engine modules to be assembled to one another, the method comprising: rotatably mounting a first one of the engine modules to a carrier of an overhead assembly line, horizontally assembling at least one additional engine module to said first one of the engine modules by mounting said at least one additional engine module in a cantilevered fashion to said first one of the engine modules such that the assembled modules are positioned along a horizontal axis, selectively rotating the assembled modules about the horizontal axis, and displacing the assembled modules along the overhead assembly line with the carrier.

US Pat. No. 10,458,281

RESILIENT MOUNTING ASSEMBLY FOR A TURBINE ENGINE

United Technologies Corpo...

1. An assembly for a turbine engine, comprising:a turbine engine case;
a duct of an active clearance control system, the duct extending circumferentially about the turbine engine case and configured to direct impingement air onto the turbine engine case;
a first mounting bracket;
a second mounting bracket; and
a first resilient mount attaching the second mounting bracket to the first mounting bracket, the first resilient mount including a first isolator support, a second isolator support, a first isolator, a second isolator and a fastener;
the first isolator support and the second isolator support arranged on opposing sides of the second mounting bracket, wherein the first isolator support is between the second mounting bracket and the first isolator, and the second isolator support is between the second mounting bracket and the second isolator;
the first isolator is between the first isolator support and the first mounting bracket; and
the fastener projecting through the first mounting bracket, the second mounting bracket, the first isolator support, the second isolator support, the first isolator and the second isolator;
wherein the first mounting bracket is attached to the turbine engine case; and
wherein the second mounting bracket is attached to the duct.

US Pat. No. 10,458,280

GAS TURBINE ENGINE HYDRAULICALLY OPERATED NACELLE LATCH

United Technologies Corpo...

1. A gas turbine engine, comprising:a nacelle;
a fan duct including an inner structure surrounding an engine core, wherein a bypass flow path is defined between the fan duct inner structure and the nacelle;
a fan case surrounding a fan; and
at least one latch, configured to secure a first portion of the fan duct inner structure to either a core engine frame or a second portion of the fan duct inner structure, or configured to secure the second portion of the fan duct inner structure to either the core engine frame or the first portion of the fan duct inner structure,
whereby the at least one latch is configured to be actuated by a pressurized fluid;
whereby actuating the at least one latch provides for releasing the first portion of the fan duct inner structure from said core engine frame or from said second portion of said fan duct inner structure, or for releasing said second portion of said fan duct inner structure from said core engine frame or from said first portion of said fan duct inner structure.

US Pat. No. 10,458,279

OIL SUPPLY DEVICE FOR AN EPICYCLIC REDUCTION GEAR SET

SAFRAN TRANSMISSION SYSTE...

1. A bowl for supplying oil to at least two oil distribution circuits connected to a planet pinion carrier of an epicyclic reduction gear train, said planet pinion carrier rotating and the oil coming from a fixed means for oil ejection, said bowl being configured to be integral with said planet pinion carrier and having an approximately cylindrical shape, being open radially inwards relative to an axis, wherein it is divided into a circumferential succession of separate cups each arranged to communicate with one of said oil distribution circuits.

US Pat. No. 10,458,278

APPARATUS AND METHOD FOR PROVIDING FLUID TO A BEARING DAMPER

UNITED TECHNOLOGIES CORPO...

1. A lubricant supply system for a plurality of bearing dampers in a plurality of engine bearing compartments of a gas turbine engine, comprising:a lubricant supply conduit;
a first lubricant delivery conduit fluidly coupled to the supply conduit;
the first delivery conduit including one or more lubricant delivery flow paths, and delivering lubrication to engine components;
a second lubricant delivery conduit fluidly coupled to the supply conduit;
the second delivery conduit delivering lubricant to one or more of the plurality of bearing dampers;
an active oil flow management valve, wherein actuation of the active oil flow management valve restricts lubricant flow in the first delivery conduit and increases pressure in the second delivery conduit;
wherein actuation of the active oil flow management valve is dependent upon a rotational speed of an engine spool, and
wherein the active flow management valve is a solenoid valve that is normally open and, when closed, restricts lubricant flow in the first delivery conduit.

US Pat. No. 10,458,277

AXIALLY SPACED RESTRICTED DAMPER

United Technologies Corpo...

1. A bearing assembly, comprising:a bearing housing comprising a first bearing housing surface and a second bearing housing surface where the first and second bearing housing surfaces are substantially axially parallel with respect to a rotor centerline;
a damped outer race, comprising
a first outer race surface radially adjacent to and opposing the first bearing housing surface which is located radially interior to the first outer race surface;
a first piston ring groove in the first outer race surface, where the first piston ring groove comprises a first piston ring that seals between the first bearing housing surface and the first outer race surface;
a second outer race surface radially adjacent to and opposing the second bearing housing surface which is located radially exterior to the second outer race surface; and
a second piston ring groove in the second outer race surface, where the second piston ring groove comprises a second piston ring that seals between the second bearing housing surface and the second outer race surface;where the bearing housing comprises an oil passage that is configured to provide oil from an outlet to a first space of axial length L1 radially between the first outer race surface and the first bearing housing surface, and configured to provide oil to a second space of axially length L2 radially between the second outer race surface and the second bearing housing surface.

US Pat. No. 10,458,276

JET ENGINE WITH MULTIPLE CHAMBERS AND A BEARING CHAMBER SUPPORT

1. A jet engine, comprising:a bearing chamber,
a sealing chamber,
a de-aeration chamber, and
a bearing chamber support that delimits the bearing chamber and includes at least one bearing appliance in certain areas,
wherein the bearing chamber is separated from the sealing chamber via a sealing appliance,
a further sealing appliance separating the sealing chamber from the de-aeration chamber that is arranged at a side of the sealing chamber that is facing away from the bearing chamber, and
wherein the sealing chamber is connected to a sealing air conduit by which the bearing chamber is supplied with a sealing air volume flow, and
wherein the de-aeration chamber is connected to a de-airing appliance via which a volume flow can be discharged from the de-aeration chamber into a core flow channel of the jet engine,
wherein the de-airing appliance includes an air extraction duct with a tubular flow cross-section;
wherein the air extraction duct includes an area with a defined cross-sectional expansion.

US Pat. No. 10,458,275

NACELLE INNER LIP SKIN WITH HEAT TRANSFER AUGMENTATION FEATURES

Rohr, Inc., Chula Vista,...

1. A nacelle inlet structure for an aircraft propulsion system, comprising:an inlet lip comprising an inner lip skin and an outer lip skin;
a bulkhead configured with the inlet lip to form a cavity axially between a forward end of the inlet lip and the bulkhead and radially between the inner lip skin and the outer lip skin, wherein the cavity extends along a longitudinal centerline within the inlet lip;
a nozzle configured to inject fluid approximately longitudinally into the cavity; and
a plurality of heat transfer augmentation features configured with the inner lip skin and operable to interact with the fluid within the cavity in order to promote heat transfer between the inner lip skin and the fluid within the cavity;
wherein the cavity is formed radially between an outer side of the inner lip skin and an inner side of the outer lip skin, and the heat transfer augmentation features provide at least a portion of the outer side of the inner lip skin with a textured surface; and
wherein substantially all of the inner side of the outer lip skin that forms the cavity is configured with a substantially smooth surface.

US Pat. No. 10,458,274

GEARED GAS TURBINE ENGINE AND A GEARBOX

ROLLS-ROYCE plc, London ...

1. A gas turbine engine comprising a gearbox,the gearbox comprising: a sun gear; an annulus gear; a plurality of planet gears; and a carrier,
the sun gear meshing with the planet gears and the planet gears meshing with the annulus gear;
the carrier comprising a first ring, a second ring spaced axially from the first ring, and a plurality of circumferentially spaced axles extending axially between the first ring and the second ring;
each planet gear being rotatably mounted on a respective one of the plurality of circumferentially spaced axles;
each of the plurality of circumferentially spaced axles being arranged at a first radius;
at least one of the first ring and the second ring comprising a metal matrix composite material;
the metal matrix composite material comprising a ring of reinforcing fibres; and
the ring of reinforcing fibres having a second radius greater than the first radius.

US Pat. No. 10,458,273

BLADE VIBRATION MONITOR WITH SELF ADJUSTING SENSOR GAP MECHANISM

SIEMENS ENERGY, INC., Or...

1. A blade vibration monitor including a self-adjusting sensor gap mechanism, comprising:a probe configured to be disposed in a mounting hole within a turbine casing of a steam turbine;
a proximity sensor disposed within a tip of the probe producing a signal in response to a turbine blade passing the sensor;
a positioning means to position a depth of the probe with respect to the mounting hole; and
a processor for processing the signal to determine a gap distance between the probe and the turbine blade, and
wherein based on the determined gap distance the processor controls the positioning means to adjust the probe depth relative to the mounting hole in order to set the gap distance in real time to a minimal gap distance.

US Pat. No. 10,458,272

INSULATING TEST ENGINE HOOD FOR A TURBINE ENGINE ON A TEST BENCH

SAFRAN AERO BOOSTERS SA, ...

1. A turbine engine comprising:a combustion chamber; and
a test engine hood including an annular duct for an annular flow, and being intended to replace a flight engine hood of the turbine engine during a test of the turbine engine on a test bench, the test engine hood extending axially of such a length that it surrounds the combustion chamber, the test engine hood comprising:
a wall made of composite material with an organic matrix, the wall having an outer surface delimiting the annular flow and an inner surface opposite the outer surface; and
a silicone layer covering the inner surface of the wall and able to insulate the wall thermally, the silicone layer having a thickness comprised between 3.0 and 6.0 mm.

US Pat. No. 10,458,271

CABLE DRIVE SYSTEM FOR VARIABLE VANE OPERATION

United Technologies Corpo...

1. A variable vane system, comprising:an actuator;
a harmonic drive driven by the actuator;
a cable drive system driven by the harmonic drive; and
a unison ring driven by the cable drive system.

US Pat. No. 10,458,270

ROLLER BEARINGS FOR HIGH RATIO GEARED TURBOFAN ENGINE

United Technologies Corpo...

1. A gear system for a geared turbofan engine, the gear system comprising:a sun gear driven by a low spool shaft, the sun gear defining a sun gear diameter;
a rotating carrier that drives a fan, the carrier defining an outer carrier diameter and an inner carrier diameter;
a non-rotating ring gear, the ring gear defining a ring gear diameter, the ring gear diameter is smaller than the outer carrier diameter; and
a set of planet gears mounted on corresponding rolling element bearing assemblies, each rolling element bearing assembly is supported within the rotating carrier within a space defined between the carrier outer diameter and the carrier inner diameter such that at least a portion of each rolling element bearing assembly is disposed radially outward of a pitch diameter of the non-rotating ring gear, wherein each of the sun gear, ring gear and planet gears are substantially centered along a gearbox centerline transverse to an engine longitudinal axis and the gear system provides a speed reduction ratio between an input to the sun gear and an output from the carrier between 3:1 and 5:1.

US Pat. No. 10,458,269

CONTROLLABLE MULTI-SPOOL GAS TURBINE PLANT WITH INDEPENDENT GENERATOR SPEED CONTROL AND HOLLOW TURBINE-COMPRESSOR SEPARATOR

AURELIA TURBINES OY, Lap...

1. A controllable multi-spool gas turbine plant for generating an electric power provided to a load located outside of the plant, the plant comprising:at least three spools, at least three shafts, at least three compressors, and at least three turbines, wherein
each of the at least three spools comprises a respective shaft of the at least three shafts, a respective compressor of the at least three compressors, and a respective turbine of the at least three turbines, and has the compressor and the turbine mounted on the shaft,
during operation of the plant, one of the at least three compressors, operating at a highest pressure among other compressors of the at least three compressors, is defined as a highest pressure compressor,
another one of the at least three compressors, operating at a lowest pressure among other compressors of the at least three compressors, is defined as a lowest pressure compressor,
one of the at least three turbines, operating at a further highest pressure among other turbines of the at least three turbines, is defined as a highest pressure turbine,
another one of the at least three turbines, operating at a lowest pressure among other turbines of the at least three turbines, is defined as a lowest pressure turbine; and
the highest pressure compressor and the highest pressure turbine are mounted on one of the at least three shafts, and the lowest pressure compressor is mounted on another one of the at least three shafts; and
the at least three spools are in a fluid communication with each other, wherein each of the at least three turbines, other than the highest pressure turbine, is configured to receive a gas at a higher pressure from an immediately preceding upstream turbine of the at least three turbines, and each of the at least three compressors, other than the lowest pressure compressor, is configured to receive an air at lower pressure for further compressing from an immediately preceding compressor of the at least three compressors;
wherein at least one compressor of the at least three compressors and at least one turbine of the at least three turbines mounted on at least one shaft of the at least three shafts are separated only by a planar element arranged between the at least one compressor and the at least one turbine, wherein a plane defined by the planar element is perpendicular to a longitudinal axis of the at least one shaft, and the planar element is a partially hollow planar element arranged such that a corresponding air can flow inside the partially hollow planar element providing cooling for the partially hollow planar element;
one or more combustors having at least one combustor configured to combust or react a mixture of a fuel with a compressed air from the highest pressure compressor and to provide a compressed gas with an elevated temperature to the highest pressure turbine to be expanded in the highest pressure turbine to produce a mechanical power to rotate the highest pressure compressor and a corresponding electrical generator of at least three electrical generators, the corresponding electrical generator driven by a corresponding spool of the at least three spools;
wherein the at least three electrical generators are configured to generate the electric power, each electrical generator being mechanically directly coupled to a corresponding shaft of the at least three shafts to be rotatably driven, wherein at least 60 percent of a total output power provided to the load is the electric power, generated by the at least three generators; and
a controller, configured to efficiently control operations of the at least three spools and electrical outputs of the at least three generators for controlling the electric power provided to the load located outside of the plant, wherein the controlling comprises a substantially independent individual control of each of the at least three generators including at least a rotational speed control of each of the at least three generators.

US Pat. No. 10,458,267

SEAL ASSEMBLY FOR COUNTER ROTATING TURBINE ASSEMBLY

General Electric Company,...

1. A gas turbine engine, comprising:a turbine rotor comprising an inner shroud, an outer shroud, and at least one connecting airfoil coupling the inner shroud and the outer shroud, wherein the outer shroud comprises a plurality of outer shroud airfoils extended inward along a radial direction;
a turbine frame at least partially surrounding the turbine rotor; and
an outer diameter seal assembly comprising a sliding portion disposed between the turbine frame and the outer shroud of the turbine rotor, wherein the outer diameter seal assembly defines a secondary tooth at the outer shroud radially inward of a longitudinal face of the sliding portion, and a primary tooth defined axially adjacent to a radial face of the sliding portion.

US Pat. No. 10,458,266

FORWARD FACING TANGENTIAL ONBOARD INJECTORS FOR GAS TURBINE ENGINES

UNITED TECHNOLOGIES CORPO...

1. A turbine comprising:a stator section having a plurality of vanes;
a rotating section having a plurality of blades, the rotating section being axially adjacent the stator section along an axis of the turbine, the stator section being aftward of the rotating section along the axis of the turbine; and
a primary tangential onboard injector located radially inward from the stator section and configured to direct an airflow from the stator section in a forward direction toward the rotating section, the primary tangential onboard injector turning the airflow in a direction of rotation of the rotating section,
wherein a leakage flow passes between the stator section and the rotating section and into a gaspath flowing from the blades toward the vanes, the turbine further comprising a secondary tangential onboard injector positioned in a flow path of the leakage flow,
wherein the secondary tangential onboard injector has a first wall and a second wall, wherein the first wall is fixed to a vane element surface that is part of the stator section and the second wall is fixed to the first wall by a fixed airfoil meant to turn the leakage air in the flow direction of the gaspath flow,
wherein the rotating section includes a rotating seal that forms a seal between a rotating surface of the rotating section and the second wall, and
a restrictive flow seal is arranged downstream from the secondary tangential onboard injector along the flow path of the leakage flow.

US Pat. No. 10,458,265

INTEGRALLY BLADED ROTOR

UNITED TECHNOLOGIES CORPO...

1. An integrally bladed rotor for a gas turbine engine, comprising:a radially inner hoop extending circumferentially about an axis;
a plurality of circumferentially spaced, axially extending slots, separated by respective blade supports;
a seal system that includes seal fingers extending axially through the slots, wherein the seal system is an annular ladder seal; and
wherein the seal fingers are configured to contact an annular wire seal.

US Pat. No. 10,458,264

SEAL ARRANGEMENT FOR TURBINE ENGINE COMPONENT

UNITED TECHNOLOGIES CORPO...

1. A gas turbine engine, comprising:a first component including a first set of ridges protruding in a radial direction from a first cold side surface adjacent to a first mate face;
a second component including a second set of ridges protruding in the radial direction from a second cold side surface adjacent to a second mate face, the second mate face circumferentially adjacent to the first mate face to define a leakage gap; and
a seal member abutting the first set of ridges to define a first set of cooling channels, and abutting the second set of ridges to define a second set of cooling channels, the seal member spaced apart from the first cold side surface and the second cold side surface;
wherein the seal member includes a sealing surface that abuts the first set and the second set of ridges, and an outer surface spaced apart from the sealing surface;
wherein each ridge of the first and second sets of ridges includes an elongated body extending in a circumferential direction between a proximal end and a distal end, the proximal end adjacent to the leakage gap and the distal end spaced apart from the leakage gap, a first surface of the elongated body abutting the seal member, and the seal member is contained in the circumferential direction within the distal ends of the first and second sets of ridges; and
wherein the distal ends are free of any retention features radially aligned with the seal member in the radial direction such that the seal member is moveable circumferentially past the distal end.

US Pat. No. 10,458,262

AIRFOIL WITH SEAL BETWEEN ENDWALL AND AIRFOIL SECTION

UNITED TECHNOLOGIES CORPO...

1. An airfoil comprising:an endwall section;
an airfoil section defining, at least in part, an airfoil profile, at least one of the airfoil section or the endwall section including a seal cavity,
the endwall section including a first slot, the airfoil section including a second slot, and the first slot and the second slot together from the seal cavity,
the airfoil section including a rib that is radially elongated and has enlarged radial ends, and the second slot is in the rib,
the airfoil section including an internal passage and the rib sub-divides the internal passage; and
a seal disposed in the seal cavity.

US Pat. No. 10,458,261

INTERMEDIATE CASING GUIDE VANE WHEEL

SAFRAN AIRCRAFT ENGINES, ...

1. An outlet guide vane wheel comprising guide vanes made of polymer matrix composite material reinforced by fibers, each having an airfoil, a vane root, and a vane tip, said vane roots being fastened to a hub of said wheel by first connection means and said vane tips being fastened to an outer shroud of said wheel by second connection means, wherein said first connection means include a bearing plane secured to said hub and a first backing plate for securing to said hub, said vane roots being sandwiched between said bearing plane and said first backing plate without a bolt extending through said vane roots, and said second connection means include a second backing plate for securing to said shroud, said vane tips being sandwiched between said shroud and said second backing plate without a bolt extending through said vane tips.

US Pat. No. 10,458,260

NOZZLE AIRFOIL DECOUPLED FROM AND ATTACHED OUTSIDE OF FLOW PATH BOUNDARY

General Electric Company,...

1. A flow path assembly for a gas turbine engine, the flow path assembly defining a flow path through the gas turbine engine, the flow path assembly defining an axial direction and a radial direction that are orthogonal to one another, the flow path assembly further defining a circumferential direction extending about the axial direction, the flow path assembly comprising:a nozzle airfoil having a first end opposite a second end;
a wall defining a flow path boundary, the wall having an opening therein through which the second end of the nozzle airfoil protrudes such that the second end of the nozzle airfoil extends outside of the flow path;
a cap extending over the second end of the nozzle airfoil; and
an attachment member extending through the second end of the nozzle airfoil and the cap to attach the second end of the nozzle airfoil to the cap.