US Pat. No. 11,028,904

TRANSMISSION FOR A MOTOR VEHICLE

1. A transmission for a motor vehicle, the transmission comprising:a transmission input,
a transmission output,
a first planetary gearset,
a second planetary gearset,
a third planetary gearset,
a fourth planetary gearset,
the first, the second, the third and the fourth planetary gearsets each comprising a plurality of elements, a first element of the respective planetary gearsets being formed as a sun gear, a second element of the respective planetary gearsets being formed as a planetary carrier, in a case of a minus planetary gearset, and as a ring gear, in a case of a plus planetary gearset, and a third element of the respective planetary gearsets being formed as the ring gear, in the case of the minus planetary gearset, and as the planetary carrier, in the case of the plus planetary gearset,
a first shift element,
a second shift element,
a third shift element,
a fourth shift element,
a fifth shift element,
a sixth shift element,
selective actuation of four of the first, the second, the third, the fourth, the fifth, and the sixth shift elements implementing different flow paths of power on the first, the second, the third, and the fourth planetary gearsets by achieving different gears ratios between the transmission input and transmission output;
the first element of the first planetary gearset and the first element of the second planetary gearset being rotatably fixed with one another and being jointly fixable, via the first shift element, to a non-rotating component;
the third element of the first planetary gearset being fixable, via the second shift element, to the non-rotating component;
the second element of the first planetary gearset and the third element of the fourth planetary gearset being permanently rotatably fixed with one another;
the transmission input being rotatably fixed with the second element of the second planetary gearset;
the transmission output being rotatably fixed with the second element of the fourth planetary gearset;
the second element of the first planetary gearset and the third element of the fourth planetary gearset both being jointly rotatably fixable, via the third shift element, with the third element of the second planetary gearset; and
the third elements of the second and the third planetary gearsets are either permanently rotatably fixed with one another or are rotatably fixable with one another by engagement of at least one of the fifth and the fourth shift elements.

US Pat. No. 11,028,903

DEVELOPING DEVICE

BROTHER KOGYO KABUSHIKI K...

1. A developing device comprising:a developing roller that is rotatable about a first axis extending in an axial direction;
a first gear for rotating the developing roller;
a second gear that is in mesh with the first gear and is rotatable in a first direction about a second axis extending in the axial direction;
a coupling that is rotatable about the second axis and is rotatable both in the first direction and in a second direction opposite to the first direction, the coupling including a coupling gear;
a clutch positioned between the coupling and the second gear in the axial direction and that rotates together with the coupling, the clutch being configured to come into engagement with a portion of the second gear and cause the second gear to rotate in the first direction together with the coupling gear when the coupling rotates in the first direction, the clutch being configured to neither come into engagement with the portion of the second gear nor cause the second gear to rotate together with the coupling when the coupling rotates in the second direction; and
a moving gear that is in mesh with the coupling gear and is rotatable both in the first direction and the second direction about a third axis extending in the axial direction, the moving gear being movable while being in mesh with the coupling gear between a first position where the moving gear is out of mesh with the first gear and a second position where the moving gear is in mesh with the first gear,
the moving gear moving to the first position when the coupling gear rotates in the first direction and to the second position when the coupling gear rotates in the second direction,
wherein when the coupling gear rotates in the first direction,
the moving gear moves to the first position and goes out of mesh with the first gear, and
the first direction rotation of the coupling gear causes the second gear to rotate in the first direction together with the coupling gear with an aid of the clutch and causes the first gear being in mesh with the second gear to rotate in the second direction; and
wherein when the coupling gear rotates in the second direction,
the moving gear moves to the second position and comes into mesh with the first gear, and
the second direction rotation of the coupling gear causes the moving gear, being in mesh with the coupling gear, to rotate in the first direction and to cause the first gear, being in mesh with the moving gear, to rotate in the second direction.

US Pat. No. 11,028,902

PLANETARY GEAR TRAIN

SAFFRAN TRANSMISSION SYST...

1. A planetary gearset comprising:a first planet gear;
a second planet gear;
pinion gears meshing with the first planet gear and the second planet gear, each pinion gear being pivotally mounted around a shaft; and
a pinion gear carrier supporting each shaft,
wherein each shaft extends along an axis and comprises:
a radially inner cylindrical portion mounted on the pinion gear carrier;
a radially outer cylindrical portion about which the pinion gear is pivotally mounted; and
a flange extending radially from the radially outer cylindrical portion, the radially outer periphery of the flange being mounted on the pinion gear carrier, the radially outer cylindrical portion and the radially inner cylindrical portion being connected to each other by a radially extending connecting zone.

US Pat. No. 11,028,901

ROPE TENSIONING SYSTEM

Landscape Structures Inc....

1. A rope tensioning system for use in a play environment, comprising:a play structure;
a rope;
a collar coupled to the play structure;
a tensioner coupled to the rope, the tensioner comprising a plurality of tool engaging elements that are configured to be disposable in the collar, such that the tensioner can be actuated to a position flush with the collar;
wherein the tensioner is coupled to the collar through a threaded connection; and
wherein a rotation of the tensioner in relation to the collar adjusts a tension in the rope.

US Pat. No. 11,028,900

BANDED FRICTION POWER TRANSMISSION BELT

Gates Corporation, Denve...

1. A banded friction power transmission belt comprising a band fabric wrapped onto the outside of the belt, wherein the band fabric comprises a crowsfoot satin weave or another modified satin weave and has warp yarns and weft yarns; wherein said band fabric comprises two or more different fiber materials; wherein said warp yarns and weft yarns are of different yarn constructions; and wherein the yarns residing primarily on the outside of the band fabric comprise a high-strength, wear-resistant, aramid, fiber material, and the yarns residing primarily on the inside of the band fabric comprise a high-adhesive, nylon or cotton, fiber material.

US Pat. No. 11,028,899

DRY DAMPER IN DRIVE SERIES WITH DUAL MASS FLYWHEEL FOR HYBRID DRIVE

1. A hybrid drive system, comprising:a dual mass flywheel having an input side adapted for connection to a crankshaft of an internal combustion engine and an output;
a dry damper assembly having an input flange connected to an output of the dual mass flywheel and an output flange rotatably supported on the input flange;
an electric motor having a fixed mounted stator and a rotor, and the output flange is connected to the rotor;
a torque converter having a torque converter input connected to the rotor and a torque converter output flange adapted for connection to a downstream drive input shaft; and
wherein the dual mass flywheel, the dry damper assembly, the rotor, and the torque converter are arranged about a common axis.

US Pat. No. 11,028,898

COUPLINGS THAT ACTIVELY STABILIZE VIBRATIONS

The Boeing Company, Chic...

1. A method for damping vibration in a mechanical system, the method comprising:detecting a vibration at a coupling of the mechanical system, by detecting changes in resistance at piezoelectric sensors disposed at the coupling;
generating a countervibration based on the detected vibration via a flywheel disposed at the coupling, by applying pulsed magnetic forces to the flywheel; and
operating the mechanical system while generating the countervibration.

US Pat. No. 11,028,897

TORSIONAL VIBRATION DAMPER AND METHOD OF MAKING SAME

LITENS AUTOMOTIVE PARTNER...

1. A torsional vibration damper, comprising:a hub portion that is mountable to a crankshaft of an engine and which defines an axis, wherein the hub portion is devoid of springs;
an outer ring that includes an inertial mass and which is devoid of springs;
a plurality of radial connectors that extend between the outer ring and the hub portion and connect the outer ring and the hub portion, wherein the radial connectors are elastically deformable to permit relative circumferential movement about the axis between the outer ring and the hub portion and which urge the outer ring and the hub portion back towards a neutral position there during, wherein the radial connectors extend directly between the hub portion and the outer ring; and
a plurality of spacers that extend circumferentially between the radial connectors and which are elastically deformable by the radial connectors during flexure thereof, during said relative circumferential movement about the axis between the outer ring and the hub portion and which urge the outer ring and the hub portion towards the neutral position during said relative circumferential movement, wherein the spacers are non-metallic and dissipate energy from deformation via conversion to heat,
wherein the plurality of radial connectors have a circumferential spring rate K1a in bending in a circumferential direction about the axis, and have an axial spring rate K1b in bending in an axial direction, wherein K1b is at least 10 times as large as K1a,
wherein the plurality of spacers have a circumferential spring rate Kra in the circumferential direction, and an axial spring rate Krb in bending in the axial direction, wherein Kra is less than 1% of K1a.

US Pat. No. 11,028,896

RAIL BRAKE DAMPER

STABILIUS GMBH, Koblenz ...

1. A rail brake damper comprising:a cylinder-piston arrangement having
a cylinder,
a piston that is guided n the cylinder in an axially movable manner and divides the inner chamber of the cylinder into two working chambers,
a piston rod connected to the piston and guided out of the cylinder at one end thereof in a sealed manner,
an ejector arrangement, which acts on the piston in such a manner as to slide the piston rod out of the cylinder, and
a damping device associated with the piston,
wherein the damping device comprises a damping valve having a piston channel which passes through the piston, thereby connecting the two working chambers, and a closure element associated with the piston channel,
the closure element being spring-biased in such a manner as to close the piston channel, and hydraulic pressure active in the working chamber remote from the piston rod acting on the closure element in such a manner as to open the damping valve,
wherein the closure element is formed as a ball that is made of metal or plastic,
wherein the piston channel is one of a plurality of piston channels connecting the working chambers that pass through the piston, the closure element is one of a plurality of closure elements and each of the piston channels is associated with a separate one of the closure elements,
wherein the closure elements associated with the plurality of piston channels are associated with a common support plate that is arranged above the piston and that is spring-biased against the closure elements by a valve-biasing spring in such a manner as to close the piston channels, and
wherein due to the closure elements, there is always a predetermined minimum distance between the piston and the common support plate.

US Pat. No. 11,028,895

SHOCK ABSORBING AND IMPACT MITIGATING STRUCTURES BASED ON AXIAL-ROTATIONAL COUPLING MECHANISM

University of Washington,...

1. An impact mitigating assembly comprising:a plurality of longitudinally connected unit cells comprising at least five unit cells;
each unit cell comprising:
an end member and a corresponding tubular member having a variable axial length, wherein a first end of the tubular member is fixed to the end member and a second end of the tubular member extends away from the end member, the tubular member comprising a plurality of sides each side comprising a first triangular portion and a second triangular portion, wherein for each side:
i) the first triangular portion shares a connecting edge with the second triangular portion, the connecting edge extending across the variable axial length of the tubular member, wherein the connecting edge is configured to have a first elastic spring constant;
ii) the first and second triangular portions are non-coplanar such that the side is concave;
iii) the first triangular portion shares an angled upright edge with the second triangular portion of an adjacent side, the angled upright edge extending across the variable axial length of the tubular member, wherein the angled upright edge is configured to have a second elastic spring constant that is different from the first elastic spring constant; and
wherein compressing the tubular member longitudinally causes the connecting edge and the angled upright edge to elastically deform and further causes the second end of the tubular member to rotate with respect to the first end of the tubular member.

US Pat. No. 11,028,894

TUBULAR VIBRATION-DAMPING DEVICE

SUMITOMO RIKO COMPANY LIM...

1. A tubular vibration-damping device comprising:an inner shaft member;
an outer tube member;
a main rubber elastic body elastically connecting the inner shaft member and the outer tube member, the main rubber elastic body being penetrated by a through hole in an axial direction; and
a stopper rubber separated from the main rubber elastic body, the stopper rubber including an insert that is inserted in the through hole, wherein
a gap is provided in an axially middle portion of the insert, and the insert includes axially opposed faces that are opposed to each other in the axial direction with the gap in between,
wherein the stopper rubber includes an attachment attached to an axial end of the inner shaft member.

US Pat. No. 11,028,893

ELASTIC MEMBER AND WIRE FOR ELASTIC MEMBER

NHK Spring Co., Ltd., Yo...

1. An elastic member formed of a wire having a substantially circular cross section orthogonal to a longitudinal direction, the elastic member being expandable and contractible in a predetermined direction and comprising:a first alloy portion made of an aluminum alloy having a tensile strength larger than 950 MPa and equal to or less than 1100 MPa at room temperature; and
a second alloy portion configured to cover the first alloy portion, the second alloy portion having a thickness in a radial direction smaller than a radius of the first alloy portion, and being made of an aluminum alloy having a tensile strength of 100 MPa to 650 MPa at room temperature,
wherein the first alloy portion is made of an aluminum alloy containing: more than 10.0 wt % and equal to or less than 17.0 wt % of zinc; and more than 2.0 wt % and equal to or less than 6.0 wt % of magnesium, with the remainder containing aluminum and unavoidable impurities.

US Pat. No. 11,028,892

VEHICLE BRAKE COOLING SYSTEM AND METHOD OF USE

1. A semi tractor-trailer truck brake cooling system comprising:a reservoir containing a coolant fluid, the reservoir mounted on a trailer of a semi tractor-trailer truck;
a pump coupled to the reservoir;
a nozzle coupled to the pump, the nozzle being configured to spray coolant fluid onto a vehicle brake drum;
a sensor configured to sense the temperature of the vehicle drum; and
a switch coupled to the sensor and to the pump, the switch being configured to control activation of the pump, wherein the switch activates the pump when the temperature of the vehicle brake drum exceeds a predetermined temperature or wherein manual activation of the switch activates the pump, whereby at least a portion of the coolant fluid is sprayed through the nozzle in response to activation of the pump.

US Pat. No. 11,028,891

VENTED BRAKE DISC

Kwangjin Michael Lee, No...

1. A vented brake disc comprising:a first braking plate having a first inner flat surface and a first outer flat surface;
a second braking plate parallel with and spaced apart from the first braking plate, the second braking plate having a second outer flat surface, and a second inner flat surface facing the first inner flat surface;
a plurality of channels, wherein each of the plurality of channels is defined by the first inner flat surface, the second inner flat surface, and two adjacent walls provided between the first inner flat surface and the second inner flat surface;
a hat portion having a mounting surface and a peripheral portion extended axially from the mounting surface;
a first blocking part provided for a first set of channels among the plurality of channels, the first blocking part connecting the peripheral portion to the first braking plate and excluding an air-flow from an outboard side to the first set of channels; and
a second blocking part provided for a second set of channels among the plurality of channels, the second blocking part connecting the peripheral portion to the second braking plate and excluding an air-flow from an inboard side to the second set of channels,
wherein the first blocking part and the second blocking part are provided along the peripheral portion,
wherein a first air-flow enters the first set of channels from the inboard side and flows radially outward,
wherein a second air-flow enters the second set of channels from the outboard side and flows radially outward, and
wherein the first air-flow and the second air-flow radially exit the vented brake disc through openings formed between the first braking plate and the second braking plate without being mixed with each other.

US Pat. No. 11,028,890

WHEEL CYLINDER ADJUSTER

Chien Yu Hong Co., Ltd., ...

1. A wheel cylinder adjuster comprising:a rotational disc comprising an axial aperture, a first side, an oval slot made in the first side centered at the axial aperture, a second side, and a flower-shaped slot made in the second side centered at the axial aperture, wherein the flower-shaped slot comprises at least three arched slots connected to one another at connective points;
an axle rotationally inserted in the axial aperture of the rotational disc;
a first guiding disc connected to the axle against the first side and formed with two opposite radial slots;
a second guiding disc connected to the axle against the second side and formed with at least three radial slots separated from one another by identical angles;
a first group of claws each of which is movably inserted in one of the radial slots of the first guiding disc and comprises an axial insert movably inserted in the oval slot;
a second group of claws each of which is movably inserted in one of the radial slots of the second guiding disc and comprises an axial insert movably inserted in the flower-shaped slot; and
a connective mechanism for causing the axle and the first and second guiding discs to rotate together.

US Pat. No. 11,028,889

SELF-ENERGIZING BRAKE CALIPER

Kwangjin Michael Lee, No...

1. A self-energizing brake caliper comprising:a caliper bracket fixed to a vehicle frame and comprising a rotation axis extending in the height direction of the vehicle;
a first caliper arm rotatably connected to the rotation axis;
a second caliper arm rotatably connected to the rotation axis and crossing the first caliper arm;
an inboard brake pad; and
an outboard brake pad;
wherein the first caliper arm is slidably connected at a first end of the inboard brake pad in the inboard side of the brake disc and the outer end of the first caliper arm is connected to a second end of the outboard brake pad;
wherein the second caliper arm is connected to the second end of the inboard brake pad in the inboard side of the brake disc and the outer end of the second caliper arm is slidably connected to the first end of the outboard brake pad; and
wherein the driving force of an actuator is transferred to the inner ends of the first caliper arm and the second caliper arm.

US Pat. No. 11,028,888

SELF-AMPLIFYING SAFETY BRAKE

DRILLFORM TECHNICAL SERVI...

1. A self-amplifying safety brake for a disc, the brake comprising:a housing;
a spring assembly oriented perpendicular to an axis of rotation of the disc, the spring assembly comprising a first spring end and a second spring end;
a sleeve assembly co-axially housing the spring assembly, wherein movement of the sleeve assembly in a first co-axial direction compresses the spring assembly at the first spring end and movement of the sleeve assembly in a second co-axial direction decompresses the spring assembly at the first spring end;
a spring compressor configured to move the sleeve assembly in the first and second co-axial directions;
a brake plate for frictionally engaging the disc;
a lever-cam assembly associated with the sleeve assembly and the brake plate, the lever-cam assembly configured to translate movement of the sleeve assembly in the first co-axial direction into movement of the brake plate away from the disc, and to translate movement of the sleeve assembly in the second co-axial direction into movement of the brake plate toward the disc; and
an amplification assembly having:
a spring end adjacent the second spring end;
a brake end adjacent the brake plate,
whereby force against the brake plate from engagement with the disc is transmitted from the brake end to the spring end to compress the spring assembly at the second spring end and move the sleeve assembly in the second co-axial direction to amplify braking by further moving the brake plate toward the disc.

US Pat. No. 11,028,887

METHOD AND APPARATUS FOR CORRECTING PHYSICAL SLIP AND WEAR COEFFICIENT OF CLUTCH

GREAT WALL MOTOR COMPANY ...

1. A method for correcting physical slip and wear coefficient of clutch, comprising:acquiring a torque difference according to a positional relationship between an engine and a clutch;
acquiring a correction weight corresponding to an engine torque according to the torque difference; and
correcting a physical slip and wear coefficient according to the correction weight and a running-in state of the clutch;
wherein before the step of acquiring a torque difference according to a positional relationship between an engine and a clutch, the method for correcting physical slip and wear coefficient of clutch further comprises:
determining whether a vehicle meets a preset condition according to a state parameter of the vehicle; and
when the vehicle meets the preset condition, acquiring a state duration; and
the step of acquiring a torque difference according to a positional relationship between an engine and a clutch comprises:
when the state duration is not less than a preset time, acquiring the torque difference according to the positional relationship between the engine and the clutch.

US Pat. No. 11,028,886

INDICATOR SYSTEM FOR TORQUE LIMITER

GOODRICH ACTUATION SYSTEM...

1. An indicator system for a torque limiter for an aircraft flight control surface actuator, the indicator system comprising:a first component extending around an axis (A) and comprising one or more radially extending cam surfaces;
a second component in combination with a third component, wherein the third component is fixed against rotation relative to the second component, but is axially movable relative to the second component; and
an indicator member configured to move upon axial movement of the third component away from the second component when an applied torque to one of the first component or the second component exceeds a predetermined or specified amount,
wherein the third component comprises one or more notches, each receiving one of the radially extending cam surfaces, and upon relative rotation between the first component and the combination of the second component and the third component, a surface of each of the notches is configured to ride up a corresponding cam surface of the first component, such that the third component moves axially away from the first component, thereby causing the third component to move axially away from the second component, and
wherein the indicator system further comprises a rotationally fixed housing, wherein the indicator member is a lever arm pivotably connected to the housing and configured to move out of a first cavity in the housing upon axial movement of the third component away from the first and second components, so as to provide a visual indication that the torque limiter has tripped upon inspection.

US Pat. No. 11,028,885

TWO-WAY CLUTCH ASSEMBLY

KEYSTONE POWDERED METAL C...

1. A clutch assembly which is comprised of (1) a cam plate which includes cams which are spaced about a central axis; (2) a rocker plate which includes at least one pocket, wherein the pocket includes a first rocker plate engagement surface and a second rocker plate engagement surface; and (3) at least one rocker which is pivotally situated within the pocket of the rocker plate, said rocker having a first rocker engagement face, a second rocker engagement face, a first concaved region, and a circumferential tail region, wherein the first concaved region is situated between the first rocker engagement face and the second rocker engagement face, wherein the circumferential tail region extends from the first rocker engagement face to the second rocker engagement face, wherein the circumferential tail region includes a first actuator pocket, wherein the circumferential tail region includes a second actuator pocket, wherein the first concaved region has a first sloped shoulder which adjoins the first rocker engagement face and has a second sloped shoulder which adjoins the second rocker engagement face, wherein the first rocker engagement face is complimentary to the first rocker plate engagement surface, wherein the second rocker engagement face is complimentary to the first rocker plate engagement surface, wherein the first rocker engagement face is complimentary to a first cam engagement face, wherein the second rocker engagement face is complimentary to a second cam engagement face, wherein pivotally rotating the rocker in a first pivot direction to bring the first rocker engagement face in complimentary contact with the first cam engagement face prevents rotation of the cam plate in a counterclockwise direction, wherein pivotally rotating the rockers in a second pivot direction to bring the second rocker engagement face in complimentary contact with the second cam engagement face prevents rotation of the cam plate in a clockwise direction, a first solenoid which is configured to pivot the rocker in the first pivot direction so as to bring the first rocker engagement face into complimentary contact with the first cam engagement face and to bring the second rocker engagement face into contact with the first rocker plate engagement surface on activation of the first solenoid, and a second solenoid which is configured to pivot the rocker in the second pivot direction so as to bring the second rocker engagement face into complimentary contact with the second cam engagement face and to bring the first rocker engagement face into contact with the second rocker plate engagement surface on activation of the second solenoid, wherein said clutch assembly includes a first spring and a second spring which act together to maintain the rocker in a neutral position at times when neither the first solenoid nor the second solenoid are activated, wherein the first spring has a first end which applies pressure to the first solenoid to keep it in contact with the rocker and a second end which is affixed to the rocker plate, wherein the second spring has a first end which applies pressure to the second solenoid to keep it in contact with the rocker and a second end which is affixed to the rocker plate, and wherein the first spring is affixed to the rocker plate at the opposite side of the circumferential tail region from the side where the second spring is affixed to the rocker plate.

US Pat. No. 11,028,884

ISOLATING DECOUPLER

Gates Corporation, Denve...

1. An isolating decoupler comprising:a shaft;
a pulley journalled to the shaft on at least one bearing;
a one-way clutch engaged with the shaft;
a torsion spring engaged between the one-way clutch and the pulley;
the shaft comprises an inner race of the at least one bearing; and
the torsion spring having a first end welded to the one-way clutch and having a second end welded to the pulley.

US Pat. No. 11,028,883

OFF-ROAD RECREATIONAL VEHICLE

Arctic Cat Inc., Thief R...

1. An off-road vehicle comprising:a frame;
a passenger compartment;
a driveline that includes at least a drive system and a driven system;
a constant velocity (CV) joint coupled to the drive system and the driven system, wherein the CV-joint comprises:
a housing having a first end for engaging a driven shaft and a second end opposite the first end;
a coupling shaft located at the second end of the housing, the coupling shaft configured for engagement with the drive system;
a detent extending to an outer periphery of the coupling shaft and configured to maintain engagement between the coupling shaft and the drive system;
a plunge pin disposed at least partially within the coupling shaft and movable relative thereto, the plunge pin having a first position that maintains the detent in an engaged position with the drive system and a second position in which the plunge pin is moved away from the first end of the housing to permit disengagement of the detent with the drive system; and
an actuation pin located adjacent to the plunge pin and extending in a direction non-parallel to the plunge pin, wherein the actuation pin has a first end that is accessible via an aperture in the housing, wherein actuation of the actuation pin determines whether the plunge pin is in the first position or the second position.

US Pat. No. 11,028,882

METHODS AND APPARATUS FOR A ROLLING BEARING ASSEMBLY WITH ELECTRICAL DISCHARGE DAMAGE PROTECTION

Illinois Tool Works Inc.,...

1. A bearing assembly, comprising:an inner ring comprising an inner ring raceway;
an outer ring comprising an outer ring raceway;
rolling elements configured to roll or rotate between the inner ring raceway and the outer ring raceway;
at least one electrically conductive part with a first end and a second end; and
a seal between the at least one electrically conductive part and the rolling elements,
wherein:
the first end comprises first electrically conductive brush filaments configured to electrically contact the inner ring, and
the second end comprises second electrically conductive brush filaments configured to electrically contact the outer ring.

US Pat. No. 11,028,881

BEARING LUBRICATION APPLICATION CONTROL SYSTEM WITH LUBRICATION VOLUME SCHEDULING

VAP AUSTRALIA PTY LTD, I...

1. A bearing lubrication application control system comprising:a controller device comprising memory;
a lubrication meter interface operably coupling a lubrication meter to the controller device;
a plurality of lubrication reservoirs comprising differing lubrication types and a respective plurality of lubrication pumps fluidly coupled to the plurality of lubrication reservoirs and wherein, in use, the controller is configured for controlling one of the plurality of lubrication pumps according to the appropriate lubrication type; and
a reader interface operably coupling a computer readable medium reader to the controller device wherein, in use:
for a first lubrication application, for each of plurality of bearings:
the controller device is configured for reading bearing data comprising at least a bearing identifier from a bearing computer readable media using the reader;
the controller device is configured for measuring an applied lubrication volume using the lubrication meter when the lubrication meter is fluidly coupled between a lubrication reservoir and the respective bearing; and
the controller device is configured for storing the applied lubrication volume in the memory in relation to the bearing identifier; and
for a second lubrication application:
the controller device is configured for calculating a lubrication schedule comprising an appropriate lubrication volume for each of the each of plurality of bearings, the appropriate lubrication volume calculated at least according to the stored applied lubrication volume for each of the plurality of bearings.

US Pat. No. 11,028,880

ROLLING BEARING, ROLLING DEVICE, AND METHOD OF MANUFACTURING ROLLING DEVICE

NTN CORPORATION, Osaka (...

4. A rolling device comprising:a first rolling component made of high carbon chromium bearing steel; and
a second rolling component made of high carbon chromium bearing steel and configured to contact the first rolling component,
wherein a surface of a rolling part of the first rolling component is lower in Rockwell hardness than a surface of a rolling part of the second rolling component,
wherein the surface of the rolling part of the first rolling component is greater in arithmetic mean roughness than the surface of the rolling part of the second rolling component,
wherein the arithmetic mean roughness of the surface of the rolling part of the second rolling component is 0.07 ?m or more and 0.10 ?m or less, and a root mean square slope of the surface of the rolling part of the second rolling component being 0.07 or more and 0.10 or less, and
wherein a value of an oil film parameter in a region between the first rolling component and the second rolling component is 1.2 or less.

US Pat. No. 11,028,879

SLIDING MEMBER

TAIHO KOGYO CO., LTD., T...

1. A sliding member, comprising:an overlay formed with an alloy plated film consisting essentially of Bi and Sb, wherein
the Sb concentration in the overlay increases as the depth from the surface of the overlay increases, and
the absolute value of the gradient of Sb concentration in a first region from a first depth from the surface of the overlay to a second depth from the surface of the overlay is greater than the absolute value of the gradient of Sb concentration in a second region from the surface of the overlay to the second depth from the surface of the overlay, the second depth is less than the first depth.

US Pat. No. 11,028,878

BEARING STRUCTURAL MEMBER, SUPPORT, JOINT ASSEMBLY AND TUBE SECTION ASSEMBLY

China Communications Cons...

1. A method of designing a bearing structural member, comprising providing the bearing structural member with a maximum counter force that is an own designed threshold value under an external load, such that when the external load is greater than the designed threshold value of the bearing structural member, the bearing structural member deforms and provides a counter force equal to the designed threshold value.

US Pat. No. 11,028,877

MAGNETIC RADIAL BEARING WITH FLUX BOOST

Carrier Corporation, Pal...

1. A method for using a magnetic bearing, the magnetic bearing (20; 220; 320) comprising:a rotor (22; 322) to be supported for rotation about an axis (502);
a stator (24; 224) extending from a first end (30) to a second end (32) and comprising:
one or more first permanent magnets (50);
one or more second permanent magnets (52) axially spaced from the one or more first permanent magnets;
one or more intermediate permanent magnets (60; 230; 232) axially between the one or more first permanent magnets and one or more second permanent magnets;
a plurality of laminate teeth (64A, 64B, 66A, 66B) radially inward of the one or more intermediate permanent magnets; and
a plurality of radial windings (34A, 34B, 36A, 36B) respectively encircling a respective associated tooth of the plurality of teeth, wherein:
the plurality of radial windings comprises a diametrically opposite first pair of windings and a diametrically opposite second pair of windings orthogonal to the first pair of windings; and
for each winding of the first pair of windings and the second pair of windings:
a first permanent magnet flux paths passes as a loop through the winding, the at least one first permanent magnet and the at least one third permanent magnet; and
a second permanent magnet flux paths passes as a loop through the winding, the at least one second permanent magnet and the at least one third permanent magnetthe method comprising:running current through one winding of the first pair of windings to augment the associated first and second permanent magnet flux paths while running current through the other winding of the first pair of windings to counter the associated first and second permanent magnet flux paths so as to control radial position of the rotor.

US Pat. No. 11,028,876

SLIDE UNIT

SEGOS CO., LTD., Incheon...

1. A slide unit comprising:a fixed rail fixed to a main body and provided with a first accommodation space at an inner side thereof;
a movable rail connected to a drawer body to allow the drawer body to be pulled out from and pushed into the main body, provided with a second accommodation space at an inner side thereof, and configured to be movable with respect to the fixed rail;
an inner rail configured such that a first end thereof is inserted in the first accommodation space and a second end thereof is inserted in the second accommodation space, so as to allow the movable rail to be slidable with respect to the fixed rail; and
a plurality of slide balls inserted in the first accommodation space to be disposed between the fixed rail and the inner rail, and inserted in the second accommodation space to be disposed between the movable rail and the inner rail;
wherein the plurality of slide balls includes first slide balls and second slide balls with different diameters;
a diameter of each of the first slide balls is larger than a diameter of each of the second slide balls; and
a relationship between a horizontal distance (A?) between centers of the first slide balls, and a vertical distance (B?) between the centers of the first slide balls and centers of the second slide balls satisfies a following equation:

US Pat. No. 11,028,875

ASSEMBLY WITH A HOUSING AND AN OUTER BEARING RACE THAT ARE FORMED OF DISSIMILAR METALS, THE ASSEMBLY BEING CONFIGURED TO RETAIN THE OUTER BEARING RACE TO THE HOUSING OVER A RANGE OF TEMPERATURES

18. An assembly comprising:a housing formed of a first material, the housing defining a bore;
a bearing formed of a second material that is different from the first material, the bearing having an outer bearing race, an inner bearing race, and a plurality of rolling elements that are disposed radially between the outer and inner bearing races, the outer bearing race being received in the bore and defining an annular race on which the rolling elements are rollingly disposed;
a circumferentially extending rib that is unitarily and integrally formed with the outer bearing race; and
an annular compensation member that is fixedly coupled to the housing and having a portion that is disposed about the circumferentially extending rib, wherein the portion of the annular compensation member is configured to grow into contact with an interior circumferential surface of the outer bearing race due to thermal expansion when a temperature of the assembly increases from a first predetermined temperature to a second predetermined temperature.

US Pat. No. 11,028,874

BALL JOINT

ZF Friedrichshafen AG, F...

1. A ball joint with variable friction resistance, the ball joint comprising:a ball stud having a joint ball which is held in a joint housing in order to move relative thereto in an articulated manner,
the joint housing comprising static and movable housing parts that can move relative to one another, and which engage on opposite sides of the ball join,
a transmission by which at least the movable housing part is movable so as to exert a variable pressure on the joint ball,
the transmission having first and second transmission elements on each of which a respective ball track, of helical shape relative to a rotational axis, is formed,
the first and the second transmission elements resting against one another, in an axial direction which is coincident with the rotational axis, via at least one ball that is guided between the ball tracks of the first and the second transmission elements, and
the first transmission element is mounted to move axially and can be brought into pressing contact with the movable housing part, the second transmission element being mounted so as to rotate about the rotational axis such that rotation of the second transmission element axially moves the first transmission element so as to exert an axial force on the movable housing part.

US Pat. No. 11,028,873

SHAFT ASSEMBLY FOR AN ELECTRIFIED VEHICLE AND SHAFT PROVIDING METHOD

Ford Global Technologies,...

1. An electrified vehicle assembly, comprising:an outer shaft that is rotatable about an axis, the outer shaft rotatably couples a motor of an electrified vehicle with a transmission component of the electrified vehicle; and
a shaft insert that provides a conduit for a fluid and that blocks the fluid from flowing radially between the shaft insert and the outer shaft relative to the axis, the shaft insert includes a polymer-based material, a composite material, or both,
wherein the shaft insert extends axially from a first end portion to an opposite, second end portion, wherein the first and second end portions are radially enlarged relative to other portions of the shaft insert to provide an annular channel between the shaft insert and the outer shaft, the annular channel axially between the first and second end portions.

US Pat. No. 11,028,872

MULTI-DRILLED FASTENERS

TEXTRON INNOVATIONS INC.,...

1. A fastener comprising:a fastener body having a longitudinal axis and a first external male threaded portion, and two or more through-holes perpendicular to the longitudinal axis of the fastener body in the threaded portion, wherein each of the through-holes is on a different plane located perpendicular to the longitudinal axis of the fastener, and wherein the two or more through-holes are on a different one of the planes and angle from an adjacent through-hole of the two or more through-holes, is adapted to receive a pin.

US Pat. No. 11,028,871

PLASTIC NUT, FASTENING SYSTEM AND FASTENING METHOD

NEWFREY LLC, New Britain...

1. A plastic nut (10) for multiple detachable fastening onto a stud (12) with a thread protruding from a workpiece (20), the plastic nut comprising:a base body (14) including an inner surface partially defining a cylindrical recess (16) penetrating the base body (14);
a support surface (18) attached to the base body at a first axial end, the support surface including a repeating saw tooth (36) profile; and
a clamping device (22), which is configured to provide a clamping force between the plastic nut (10) and the stud (12) when the stud is installed in the cylindrical recess, is attached to the base body at second axial end opposite to the first axial end and the clamping device (22) includes a radially elastic hollow cylinder section (28), which is arranged concentrically to the cylindrical recess (16), and further includes an elastic clamping nose (26), which extends radial into a cross section matching the cross section of the cylindrical recess (16).

US Pat. No. 11,028,870

HYBRID THREE-POINT DRIVE FASTENER

MACLEAN-FOGG COMPANY, Mu...

1. A fastener comprising:a threaded portion;
a first bearing portion to receive torque from a first tool and transmit torque to the threaded portion, wherein the first bearing portion comprises exactly three pairs of first bearing surfaces, wherein each pair of first bearing surfaces is equally spaced apart from each other pair of first bearing surfaces;
a second bearing portion to receive torque from a second tool and transmit torque to the threaded portion, wherein the second bearing portion comprises exactly six concave bearing surfaces;
wherein each pair of the first bearings surfaces is disposed between two of the concave bearing surfaces; and
a non-bearing portion, wherein the non-bearing portion comprises three convex non-bearing surfaces, wherein each convex non-bearing surface separates two of the concave bearing surfaces,
wherein each concave bearing surface smoothly transitions to an adjacent non-bearing surface,
wherein one of the first bearing surfaces of each of the three pairs of first bearing surfaces is parallel to one other first bearing surface of one other of the three pairs of first bearing surfaces.

US Pat. No. 11,028,869

MOUNT INTERFACE FOR A MEDICAL DEVICE

MAQUET CARDIOPULMONARY GM...

1. A mount interface comprising:a latch;
a latching assembly configured to receive the latch so as to lock the latch at a set position with respect to the latching assembly, wherein the latching assembly includes a housing provided with an irregular orifice configured to receive the latch;
a first plug disposed in the housing so that a first portion of the irregular orifice overlies the first plug; and
a second plug disposed in the housing adjacent the first plug so that a second portion of the irregular orifice overlies the second plug, wherein the second portion is adjacent the first portion, wherein the irregular orifice is keyhole shaped with at least a circular portion contiguous with an elongated portion, and the circular portion overlies both the first plug and partially the second plug and the elongated portion overlies partially the second plug and not the first plug.

US Pat. No. 11,028,868

PRESS-FIT CONNECTION BETWEEN A HIGH-STRENGTH COMPONENT AND A PRESS-FIT ELEMENT, METHOD FOR MAKING SUCH A PRESS-FIT CONNECTION, AND PRESS-FIT ELEMENT FOR SUCH A PRESS-FIT CONNECTION

1. A press-fit connection, comprising:a high-strength component having a material thickness, an underside, and a pre-shaped hole formed through said material thickness, said pre-shaped hole extending along a line of a circle arc, and for providing resistance to twisting forces said pre-shaped hole being defined by a hole rim being other than circular in shape, said hole rim being disrupted only in partial regions which overall extend no greater than 180 degrees of a circumference of said hole rim, as a result of which a cross sectional shape that is other than circular is formed, said partial regions each having a diameter that is larger by only a few tenths of a millimeter than a diameter of said line of said circle arc; and
a press-fit element being pressed into said pre-shaped hole in said high-strength component, said press-fit element extending in a longitudinal direction and having a head part with a head contact face for lying on said high-strength component and a collar for providing resistance to extraction being effective in opposition to the longitudinal direction, said collar being pressed only by an upset process against said hole rim and said collar provides a press-fit without said collar embracing said underside of said high-strength component in an area adjacent said pre-shaped hole, said collar having a circular cross sectional geometry in a starting condition.

US Pat. No. 11,028,867

METHOD FOR MANUFACTURING AN EXPANSION ANCHOR BY REDUCING THE DIAMETER OF A SLEEVE BLANK, AND EXPANSION ANCHOR

Hilti Aktiengesellschaft,...

1. A method for manufacturing an expansion anchor, comprising:providing a bolt including an expansion body for expanding an expansion sleeve surrounding the bolt;
providing an annular sleeve blank having an opening, the providing of the annular sleeve blank including shaping of the sleeve blank into a cup via an extrusion process;
introducing the bolt into the opening of the annular sleeve blank; and
reducing the annular sleeve blank in diameter while the bolt is located in the opening of the annular sleeve blank
wherein an inner contour of the sleeve blank deviating from a circular shape is manufactured during the extrusion process;
the sleeve blank being teethed with the bolt during the diameter reduction of the sleeve blank so as to conform an inner surface of the sleeve blank to a non-circular outer surface of the bolt.

US Pat. No. 11,028,866

MONITOR WITH HANDLE AND IV POLE CHANNEL

Spacelabs Healthcare LLC,...

1. A patient monitor adapted to receive an intravenous line (IV) pole comprising:a housing defined by a front surface, a right surface, a left surface, and a rear surface, wherein the rear surface has a vertical length;
two opposing arms extending at least partially along the vertical length of the rear surface, wherein the two opposing arms define a channel adapted to receive said IV pole;
a sliding lever positioned on the right surface of the housing, wherein the channel is positioned closer to the right surface than to the left surface;
a ratcheting mechanism connected to the sliding lever and configured such that movement of the sliding lever causes said ratcheting mechanism to move horizontally;
a link attached to the ratcheting mechanism such that movement of the ratcheting mechanism causes said link to move; and
a clamping device attached to the link, wherein the clamping device comprises a clamping arm positioned within said channel and an extension that is connected to the link, wherein movement of the link causes the clamping arm to move from an open position to a closed position such that in said closed position the clamping arm grips said IV pole within said channel.

US Pat. No. 11,028,865

METHOD OF ATTACHING SHEETS TOGETHER

MAGNA INTERNATIONAL INC.,...

1. A method of attaching two or more metal sheets together, comprising the steps of:positioning the sheets in an at least partially overlapping relationship;
piercing or drilling a hole through an overlapping area of the sheets;
inserting a rivet that has a height into the hole in the overlapping area of the sheets, the rivet having a pair of end faces and a diameter at an axial midpoint that is greater than at either of the end faces and the diameter at the axial midpoint being similar to a diameter of the hole;
with the rivet at a temperature in the range of 15-30° Celsius, collapsing the rivet between a pair of ramming surfaces to shorten the rivet and partially expand the rivet outwardly to lock the rivet with the sheets, each of the ramming surfaces having a spike surrounded by a fully planar area.

US Pat. No. 11,028,864

METHOD AND APPARATUS FOR CONTROLLING A DOUBLE-ACTING PNEUMATIC ACTUATOR

FISHER CONTROLS INTERNATI...

1. A method of controlling a double-acting pneumatic actuator, the actuator comprising an actuated piston and two pneumatic chambers, wherein pressure in one chamber exerts a force on a piston in one direction, while pressure in the other chamber exerts a force on the piston in the opposite direction, and the method of controlling the actuator comprising:obtaining a constraint on a numerical indicator of the stiffness of the actuator, and obtaining a set point for a position of the actuator;
measuring the position of the actuator;
computing the numerical indicator of the stiffness of the actuator;
computing control signals to adjust the pressures in the two pneumatic chambers in view of the constraint, including computing, for each of the control signals, a weighted sum of (i) an error in the position of the actuator, (ii) a velocity of the actuator, and (iii) an error in the numerical indicator of the stiffness of the actuator, in view of the constraint, to simultaneously minimize the error in the position of the actuator and the error in the numerical indicator of the stiffness of the actuator; and
activating pneumatic devices to adjust the pressures in the pneumatic chambers of the actuator in response to the control signals;
wherein: computing control signals to adjust pressures in the two pneumatic chambers so as to minimize the error in the position of the actuator in view of the constraint on the numerical indicator of the stiffness of the actuator comprises computing a first control signal as:
Ca=Kp,aex?Kv,aex?Ks,aes
where Ca is the first control signal, Kp,a is a feedback gain for a first chamber of the pneumatic chambers, ?Kv,a is a velocity feedback gain, ?Ks,a is a feedback gain for the numerical indicator of stiffness, ex is the error in the position, ex is a derivative of the error in the position, and es is the error in a numerical indicator of stiffness.

US Pat. No. 11,028,863

LOW VOLTAGE ELECTRIC-HYDRAULIC DRIVE SYSTEM FOR ELECTRIC TRANSPORTATION

GENCELL LTD., Petah Tikv...

1. A hydraulic drive system for a vehicle, wherein the system comprises a hydraulic motor, at least two hydraulic pumps, at least two low voltage electric motors, a low voltage battery and a low voltage fuel cell, and wherein the hydraulic motor is connected to at least a first hydraulic pump and a second hydraulic pump, the first hydraulic pump being connected to a first low voltage electric motor and the second hydraulic pump being connected to a second low voltage electric motor, and wherein(a) both the first low voltage electric motor and the second low voltage electric motor are connected to at least one low voltage battery and at least one low voltage hydrogen fuel cell; or
(b) the first low voltage electric motor is connected to at least two low voltage batteries but is not connected to a low voltage fuel cell and the second low voltage electric motor is connected to at least two low voltage hydrogen fuel cells but is not connected to a low voltage battery.

US Pat. No. 11,028,862

METERING HYDRAULIC CONTROL SYSTEM FOR MINING MACHINE

SANDVIK INTELLECTUAL PROP...

1. A hydraulic system to control at least two hydraulic actuators, the system comprising:a pump;
a first and a second hydraulic actuator;
a metering control valve assembly having a plurality of electrohydraulic valves, an inlet fluidly connected to the pump and an outlet fluidly connected to a drain or reservoir, the metering control valve assembly fluidly connected to the first hydraulic actuator; and
a transmission valve assembly having an electronically controllable valve fluidly connected to provide pilot control of a first and a second logic valve, the first and second logic valves being fluidly connected to the metering control valve assembly, wherein the second hydraulic actuator is fluidly connected to the metering control valve assembly via the first and second logic valves.

US Pat. No. 11,028,861

HYDRAULIC SYSTEM AND METHOD FOR REDUCING BOOM BOUNCE WITH COUNTER-BALANCE PROTECTION

Eaton Intelligent Power L...

1. A hydraulic system for actuating a boom, the hydraulic system comprising:a hydraulic actuator including a first chamber and a second chamber;
a first control valve fluidly connected to the first chamber;
a second control valve fluidly connected to the second chamber, the first and second control valves being independently operable with respect to each other; and
a plurality of input sensors associated with the hydraulic system;
a controller that interfaces with the plurality of input sensors and the first and second control valves, wherein the controller is configured to generate a vibration control signal as a function of signals received form the plurality of input sensors, wherein the vibration control signal is transmitted to at least one of the first and second control valves to produce a vibratory control response applied to at least one of the first and second chambers.

US Pat. No. 11,028,860

PRESSURE BOOSTER

SMC CORPORATION, Chiyoda...

1. A pressure booster including a booster cylinder and drive cylinders disposed respectively on both sides of the booster cylinder, comprising:a pair of pilot valves, each pilot valve configured to be actuated when a piston of the corresponding drive cylinder is in abutment with the pilot valve at a moving end of the piston; and
a pair of operating valves, each operating valve configured to switch a state of supply of pressurized fluid from a pressurized fluid supply source between pressure chambers of the drive cylinders, wherein:
when each of the pilot valves is actuated, the pressurized fluid from the pressurized fluid supply source is supplied through the corresponding pilot valve, and from the corresponding pilot valve to the pair of operating valves, to thereby switch the state of supply of the pressurized fluid in the drive cylinders.

US Pat. No. 11,028,859

AIR SUPPLY AND EXHAUST DEVICE FOR AIR CELLS

TOYOTA BOSHOKU KABUSHIKI ...

1. An air supply and exhaust device for air cells, which is configured to supply air to a plurality of air cells and exhaust air from the plurality of air cells via a distributor, the plurality of air cells being inflatable and deflatable, the air supply and exhaust device comprising:the distributor including:
a housing having a plurality of vent holes that respectively communicate with the air cells; and
a valve body configured to be rotatably driven in a state of being arranged to face the vent holes of the housing, configured to supply air from a pump to a vent hole communicating with an air cell to be inflated, and configured to exhaust air from a vent hole communicating with an air cell to be deflated,
wherein the valve body includes:
an air supply chamber configured to supply the air from the pump to a vent hole facing the air supply chamber among the plurality of vent holes of the housing; and
an exhaust passage through which an air cell communicating with a vent hole facing the exhaust passage among the plurality of vent holes of the housing communicates with an atmosphere opening port, and
wherein the exhaust passage has a cross-sectional area substantially the same as a cross-sectional area of the vent hole capable of communicating with the exhaust passage, and allows an exhaust receiving port configured to face the vent hole capable of communicating with the exhaust passage and the atmosphere opening port to communicate with each other by being curved around a rotation center of the valve body and extending in a circular arc shape along a rotation track of the valve body at least at the exhaust receiving port.

US Pat. No. 11,028,858

INTEGRATED DOWNSTREAM FUNNEL

1. A cooling fan module comprising:a fan assembly including fan blades extending from a hub and terminating at a fan ring, wherein the fan ring includes a first leg, extending in an axial direction, a second leg, extending substantially orthogonally to the first leg, and a curved portion extending therebetween; and
a shroud having an upstream side and a downstream side, wherein the fan assembly is arranged to move air from the upstream side to the downstream side, wherein the shroud includes,
a first sidewall defining an opening,
a first ring, a second ring, and a third ring each extending in an axial direction away from the upstream side, wherein the first ring extends from the first sidewall, wherein the first, second, and third rings are concentric with each other,
a second sidewall extending between the first ring and the second ring, and
a third sidewall extending between the second ring and the third ring,
wherein the fan assembly is arranged with respect to the shroud such that the first leg is concentric to the second ring and the second leg is axially spaced apart from the second sidewall.

US Pat. No. 11,028,857

COOLING MODULE WITH BLOWER SYSTEM HAVING OPPOSITE, BLOWER AND IMPELLER OUTLETS FOR INFORMATION HANDLING SYSTEMS

Dell Products, LP, Round...

1. A dual opposite combined blower and impeller system comprising:a power source and a blower fan motor for rotating a blower fan having a plurality of blades and a fan diameter for rotation of the blower fan in a rotational plane;
a dual opposite combined blower and impeller system housing including first surface having a fan inlet aperture, a second surface oppositely disposed of the first surface on which the blower fan is operatively coupled inside the dual opposite combined blower and impeller system housing, a first side wall having a first notch extending inward along the fan diameter, and a second side wall oppositely disposed to the first side wall to form the dual opposite combined blower and impeller system housing;
the dual opposite combined blower and impeller system housing including a first outlet aperture between the first side wall and the second side wall in the rotational plane of the blower fan; and
the dual opposite combined blower and impeller system housing including a second, curvilinear impeller aperture between the first side wall and the second side wall in the rotational plane of the blower fan disposed opposite the first outlet aperture, wherein the second, curvilinear impeller aperture curves around a diameter of the blower fan on the impeller side of the dual opposite combined blower and impeller system.

US Pat. No. 11,028,856

CENTRIFUGAL COMPRESSOR IMPELLER

IHI Corporation, Koto-ku...

1. A centrifugal compressor impeller comprising:a hub;
a plurality of full blades that are arranged on the hub in a circumferential direction of rotation; and
splitter blades provided between the full blades,
wherein there is a line-of-sight direction which is a direction parallel to a virtual plane perpendicular to a rotation axis and in which an entire suction surface of the full blade adjacent to a front side of the splitter blade in a rotational direction, an entire pressure surface of the full blade adjacent to a rear side of the splitter blade in the rotational direction, and an entire surface of the splitter blade are visible, and
when the sum of the number of full blades and the number of splitter blades is defined as N, an opening angle of the full blade is defined as ?, and an opening angle of the splitter blade is defined as ?, ??(360°/N)+?.

US Pat. No. 11,028,855

METHOD OF MANUFACTURING SUPERCHARGER

1. A method of manufacturing a supercharger including a turbine configured to rotationally drive, and a compressor having an impeller configured to rotate according to rotational force of the turbine and a housing configured to store the impeller, the method comprising: a process of applying coating of an abradable material which is to form an abradable layer when being solidified, only to a predetermined range on either one of surfaces of the impeller and the housing via which the impeller and the housing face; and before the process of applying coating of the abradable material, a process of forming a recess portion to separate either one of the surfaces of the impeller and the housing into the predetermined range and an outer range to which coating of the abradable material is not applied, the recess portion being directly adjacent to each of the outer range and the predetermined range, wherein either one of the surfaces is a smoothly continuous surface before the recess portion is formed.

US Pat. No. 11,028,854

METHODS AND APPARATUS FOR CONTROLLING FAN DEVICES

Wangs Alliance Corporatio...

1. A system comprising:a fan motor;
a fan motor control circuit;
a processor in electrical communication with the fan motor control circuit;
a radio frequency interface configured to receive, at a first frequency, a signal; and
a WiFi interface configured to communicate at a second frequency that is different from the first frequency;wherein;the fan motor control circuit is configured to cause the fan motor to perform an operation in response to the signal; and
the processor is configured to transmit, via the WiFi interface, to a server, an indication corresponding to the operation.

US Pat. No. 11,028,853

ELECTROMAGNETIC UNIT, MAGNETIC BEARING DEVICE, AND VACUUM PUMP

Edwards Japan Limited, Y...

1. An electromagnet unit comprising:a plurality of radial direction magnetic force generating means for supporting a rotating body in a radial direction by magnetic force without contact;
a plurality of radial direction displacement detecting means for detecting displacement of the rotating body in the radial direction; and
a core around which coils of the plurality of radial direction magnetic force generating means and coils of the plurality of radial direction displacement detecting means are wound, wherein
two of the plurality of radial direction magnetic force generating means that are adjacent to each other in a circumferential direction of the core are disposed such that adjacent magnetic poles belonging respectively to the two of the plurality of radial direction magnetic force generating means are homopolar,
a low magnetic flux interference region is formed between the two of the plurality of radial direction magnetic force generating means,
each of the plurality of radial direction displacement detecting means is disposed in the low magnetic flux interference region,
the plurality of radial direction displacement detecting means comprise two mutually different magnetic poles arranged in an axial direction of the rotating body, and
magnetic poles to which the coils of the plurality of radial direction magnetic force generating means are wound do not overlap, in the radial direction, magnetic poles to which the coils of the plurality of radial direction displacement detecting means are wound.

US Pat. No. 11,028,852

DRAIN PUMP

LG Electronics Inc., Seo...

1. A drain pump, comprising:an impeller;
a rotor comprising a rotary shaft coupled to the impeller, the rotor being configured to provide rotational force to the impeller;
a stator located at an outer circumferential surface of the rotor and configured to rotate the rotor;
a first housing that defines a rotor accommodating portion that accommodates the rotor, the rotor being configured to rotate in the rotor accommodating portion;
a second housing coupled to the first housing, the second housing, together with the first housing, defining a motor accommodating space that accommodates the stator;
a connector that extends from the stator, the connector comprising a contact surface configured to connect to a power source and exposed to an outside of the motor accommodating space through at least one of the first housing or the second housing; and
a connector cover portion that is located at at least one of the first housing or the second housing to cover the connector, the connector cover portion having at least one side surface opened to expose the contact surface of the connector to the outside of the motor accommodating space,
wherein the first housing has a first open surface that faces the second housing, and the second housing has a second open surface that faces the first housing,
wherein the connector cover portion protrudes from an edge surface of the first housing in a first axial direction away from the impeller, and
wherein the second housing is configured to, based on being coupled to the first housing, overlap the connector cover portion in a second axial direction toward the impeller.

US Pat. No. 11,028,851

LIQUID PUMP INCLUDING AN IMPELLER CONNECTED DIRECTLY TO A ROTOR RECEIVING SLEEVE

Mahle International GmbH

1. A fluid pump, comprising:an internal rotor rotatable about an axis of rotation relative to an external stator;
an impeller connected to the internal rotor in a rotationally fixed manner for conveying a fluid;
the internal rotor including a rotor receiving sleeve, the rotor receiving sleeve including a base body having a receiving chamber configured to receive an anchor unit;
the internal rotor further including a bearing bushing structured and arranged to penetrate the rotor receiving sleeve coaxially to the axis of rotation, the bearing bushing configured to receive a rotor shaft;
wherein the impeller is directly connected to the rotor receiving sleeve in a rotationally fixed manner;
wherein the base body defines the receiving chamber such that receiving chamber opens toward the impeller; and
wherein the rotor receiving sleeve, on a side facing away from the impeller, includes at least two positioning noses, the at least two positioning noses arranged equidistant from one another in a circumferential direction of the axis of rotation and disposed radially outside of the bearing bushing.

US Pat. No. 11,028,850

CHOPPER PUMP WITH DOUBLE-EDGED CUTTING BARS

Vaughan Company, Inc., M...

1. An impeller assembly for a chopper pump comprising:an impeller having a back shroud and cutting blades sharpened on a first edge, the cutting blades extending from and fixed on a first surface of the back shroud;
a cutter bar plate positioned adjacent to and upstream of the impeller, the cutter bar plate comprising at least one shearing finger having first and second contact surfaces and extending inward from a periphery, the first contact surface of the at least one shearing finger having a first sharpened edge and the second contact surface having a second sharpened edge, such that the first sharpened edge creates a shearing operation in combination with the sharpened edge of the cutting blades of the impeller during use; and
an external tool positioned adjacent to and upstream of the cutter bar plate, the external tool comprising at least one cutting wing having a shearing surface that creates a shearing operation in combination with the second sharpened edge along the second contact surface of the shearing finger during use;
wherein the shearing finger has a cupped surface parallel to a longitudinal axis of the shearing finger and between the first and second contact surfaces to create the first and second sharpened edges.

US Pat. No. 11,028,849

SCROLL COMPRESSOR HAVING A ROTATION SHAFT WITH AN OIL FLOW PATH FORMED THEREIN

LG ELECTRONICS INC., Seo...

1. A scroll compressor comprising:a rotation shaft;
an upper frame to support an upper end of the rotation shaft;
a lower frame to support a lower end of the rotation shaft;
an orbital scroll comprising a first base plate that is attached to the upper frame, a first wrap having a spiral shape that extends from an upper surface of the first base plate, and a boss portion that extends from a bottom surface of the first base plate; and
a non-orbital scroll comprising a second base plate that covers an upper side of the orbital scroll, and a second wrap having a spiral shape that extends from a bottom surface of the second base plate,
wherein the rotation shaft comprises:
an oil flow path formed therein,
an upper frame support portion that is inserted into the upper frame,
a boss insertion portion to receive the boss portion, the boss insertion portion being recessed from an upper surface of the upper frame support portion and defined by a bottom surface and an inner peripheral surface of the upper frame support portion,
an oil residual groove that is downwardly recessed from the bottom surface of the boss insertion portion to a depth below the bottom surface of the boss insertion portion,
a first recessed portion that is recessed from the inner peripheral surface of the upper frame support portion,
a second recessed portion that is recessed from an outer peripheral surface of the upper frame support portion,
one or more guide holes which penetrate the upper frame support portion and connects the first recessed portion with the second recessed portion, and
wherein an upper end of the oil flow path spaced apart from the oil residue groove is formed at the bottom surface and the bottom surface of the boss insertion portion is configured to face a lower end of the boss portion, wherein the upper end of the flow path is in communication with the bottom surface of the boss insertion portion, and wherein an oil passage that connects the upper end of the oil flow path with the oil residual groove is formed in the bottom portion of the boss insertion portion.

US Pat. No. 11,028,848

SCROLL COMPRESSOR HAVING A FITTED BUSHING AND WEIGHT ARRANGEMENT

Mitsubishi Electric Corpo...

1. A scroll compressor comprising:a compression mechanism unit including a fixed scroll and an orbiting scroll;
a crank shaft configured to cause the orbiting scroll to orbit about the fixed scroll;
a slider provided between the orbiting scroll and the crank shaft and including a tubular portion having an outer circumferential surface and a flange portion projecting from the outer circumferential surface of the tubular portion between a first tubular end and a second tubular end of the tubular portion; and
a balance weight fitted to the slider and including
a ring-like portion having an inner surface facing an outer circumferential surface of the flange portion,
a weight portion having an inner surface facing the outer circumferential surface of the tubular portion between the first tubular end and the flange portion, and
a projection projecting from an inner circumferential surface of the ring-like portion and having an inner surface facing the outer circumferential surface of the tubular portion between the second tubular end and the flange portion, and the inner surface of the projection extending to the second tubular end.

US Pat. No. 11,028,847

GEAR PUMP FOR VENTING TRAPPED VOLUME

1. An external gear pump comprising:a housing including a peripheral wall forming an enclosure and defining an inlet and a discharge port;
a first gear, including a first tooth and a second tooth, disposed within the housing;
a second gear disposed within the housing and including a third tooth that engages the first tooth and the second tooth to form a pressure pocket; and
an end plate disposed within the housing, wherein the first gear and the second gear are each rotatably coupled to the end plate, wherein the end plate defines a discharge channel and a bridge portion, wherein the discharge channel extends between the discharge port and the bridge portion, wherein the bridge portion defines a relief portion, and wherein the relief portion is configured such that fluid is communicated from the pressure pocket to the discharge port,
wherein the relief portion is formed by a plurality of recessed finger cuts including a first recessed finger cut, defining a first radius, and a second recessed finger cut defining a second radius, wherein the second radius is less than the first radius.

US Pat. No. 11,028,846

FULLY-DRAINING DIAPHRAGM PUMP AND CHECK VALVE ASSEMBLY

Murzan, Inc., Norcross, ...

1. An apparatus comprising:a valve disc bound by a seating surface and a back surface, the seating surface and back surface meeting at a disc edge extending about the perimeter of the valve disc;
a valve body having a seat, the seat configured to receive the seating surface of the valve disc, the valve body defining an inlet plenum and an outlet plenum, wherein the outlet plenum feeds into an outlet pipe; and
a drain line substantially external to the valve body and coupled to the valve body at a drain line inlet intermediate to the inlet plenum and outlet plenum, wherein a rim of the drain line inlet is below the disc edge;
wherein a portion of the valve disc contacts the rim of the drain line inlet when the seating surface is seated against the seat.

US Pat. No. 11,028,845

CAVITATION AVOIDANCE SYSTEM

Halliburton Energy Servic...

1. A monitoring system, comprising:a plurality of strain gauges positioned on a plurality of pressure pumps to generate strain measurements for chambers of the plurality of pressure pumps;
a plurality of position sensors positioned on the plurality of pressure pumps to generate position measurements for rotating members of the plurality of pressure pumps;
a plurality of pressure transducers positioned on the plurality of pressure pumps to generate boost pressure measurements associated with fluid ends of the plurality of pressure pumps; and
a computing device including a processor and a memory, the memory including instructions that are executable by the processor for causing the processor to:
determine a cavitation threshold of each pump of the plurality of pressure pumps based on the strain measurements, the position measurements, and the boost pressure measurements;
identify a first pump of the plurality of pressure pumps operating beyond the cavitation threshold;
transmit a first control signal for causing a pump rate of the first pump to be adjusted in a first direction;
identify a second pump of the of the plurality of pressure pumps based on the boost pressure measurement of the second pump, wherein the boost pressure measurement of the second pump indicates that the second pump is farthest below the cavitation threshold as compared to a remainder of the pressure pumps in the plurality of pressure pumps; and
transmit a second control signal for causing a pump rate of the second pump to be adjusted in an opposing direction that is opposite to the first direction, to maintain a total flow rate through the plurality of pressure pumps.

US Pat. No. 11,028,844

CONTROLLER AND METHOD OF CONTROLLING A ROD PUMPING UNIT

Ravdos Holdings Inc., Ne...

1. A controller for operating a rod pumping unit at a pump speed, said controller comprising a processor configured to:operate a pump piston of the rod pumping unit at a first pump piston speed during a pump stroke;
determine a pump fillage level for the pump stroke based on a position signal and a load signal;
reduce the first pump piston speed to a second pump piston speed based on the pump fillage level and a severity of a fluid pound event for the pump stroke in anticipation of the fluid pound event within the pump stroke, wherein the severity of the fluid pound event is based on the transfer of a load from a rod to a standing valve; and
increase the second pump piston speed, within the pump stroke, to a third pump piston speed after the fluid pound event.

US Pat. No. 11,028,843

SYSTEM AND METHOD FOR CONTROLLING DUAL OIL PUMP

HYUNDAI MOTOR COMPANY, S...

1. A system for controlling a dual oil pump of an engine, comprising:an oil pan to store engine oil;
a battery;
an electric oil pump configured to discharge the engine oil from the oil pan using a motor driven with electric power supplied from the battery;
a mechanical oil pump connected to a crankshaft of the engine and configured to discharge the engine oil from the oil pan using a mechanical driving force of the engine;
an oil gallery for circulating the engine oil discharged by the electric oil pump and the mechanical oil pump to each part of the engine;
a transmission passage configured to deliver the engine oil discharged from the electric oil pump and the mechanical oil pump to the oil gallery, and including: an electric oil pump outlet connected to the electric oil pump and a mechanical oil pump outlet connected to the mechanical oil pump;
a data detector configured to detect engine data to control the electric oil pump; and
a controller configured to control operation of the electric oil pump,
wherein:
the data detector includes an oil pressure sensor configured to detect an oil pressure of the oil gallery, and an RPM sensor configured to detect revolutions per minute (RPM) of the engine,
the electric oil pump outlet and the mechanical oil pump outlet of the transmission passage are directly connected to each other, and
the controller is configured to:
determine a target oil pressure of the oil gallery based on the engine data detected through the data detector, and
rotate the electric oil pump either in a forward direction or in a reverse direction, or stop based on the target oil pressure.

US Pat. No. 11,028,842

RIG MANAGEMENT SYSTEM FOR TRANSMISSION CONTROL OF A HYDRAULIC FRACTURING RIG

Caterpillar Inc., Peoria...

1. A rig management system, comprising:one or more memories; and
one or more processors, communicatively coupled to the one or more memories, configured to:
receive pump control information associated with controlling a pump of a hydraulic fracturing rig;
determine a modified flow rate to be used in association with the pump of the hydraulic fracturing rig based on the pump control information or a cavitation prediction map,
wherein the cavitation prediction map identifies a respective modified flow rate for different combinations of inlet pressures and fluid properties of a fluid to be used with the hydraulic fracturing rig;
determine an output torque of a transmission of the hydraulic fracturing rig based on the modified flow rate;
determine a transmission gear for the transmission based on the output torque and a fuel consumption map,
wherein the fuel consumption map identifies a respective fuel consumption rate for different combinations of transmission gears and output torques; and
cause the transmission to shift into the transmission gear after determining the transmission gear.

US Pat. No. 11,028,841

COOLING DEVICE EQUIPPED WITH A COMPRESSOR DEVICE

Pressure Wave Systems Gmb...

1. A compressor device, comprising:a first compressor chamber that is divided by a first metal bellows into a first gas volume inside the first metal bellows and a first liquid volume outside the first metal bellows, wherein a working gas is present in the first gas volume, and wherein a working liquid is present in the first liquid volume;
a first working liquid connection connected to the first liquid volume;
a first high-pressure working gas connection connected to the first gas volume;
a first low-pressure working gas connection connected to the first gas volume;
a first high-pressure check valve connected to the first high-pressure working gas connection, wherein the first high-pressure check valve is adapted to permit working gas to flow only in a direction out of the first gas volume and through the first high-pressure working gas connection;
a first low-pressure check valve connected to the first low-pressure working gas connection, wherein the first low-pressure check valve is adapted to permit working gas to flow only in a direction through the first low-pressure working gas connection and into the first gas volume;
a second compressor chamber that is divided by a second metal bellows into a second gas volume inside the second metal bellows and a second liquid volume outside the second metal bellows, wherein the working gas is present in the second gas volume, and wherein the working liquid is present in the second liquid volume;
a second working liquid connection connected to the second liquid volume;
a second high-pressure working gas connection connected to the second gas volume;
a second low-pressure working gas connection connected to the second gas volume;
a second high-pressure check valve connected to the second high-pressure working gas connection, wherein the second high-pressure check-valve is adapted to permit the working gas to flow only in a direction out of the second gas volume;
a second low-pressure check valve connected to the second low-pressure working gas connection, wherein the second low-pressure check valve is adapted to permit the working gas to flow only in a direction into the second gas volume;
a pump that compresses the working gas in the first gas volume by pumping the working liquid from the second liquid volume through the second working liquid connection, through the first working liquid connection and into the first liquid volume, and wherein the working gas in the second gas volume is compressed as the pump pumps the working liquid from the first liquid volume into the second liquid volume;
a common high-pressure output connection connected to the first and second high-pressure check valves;
a common low-pressure input connection connected to the first and second low-pressure check valves;
a rotary valve;
a first heat exchanger, wherein the working gas flows from the first gas volume, through the first high-pressure working gas connection, through the first heat exchanger and through the rotary valve; and
a second heat exchanger, wherein the working gas flows from the second gas volume, through the second high-pressure working gas connection, through the second heat exchanger and through the rotary valve.

US Pat. No. 11,028,840

MICROELECTROMECHANICAL SYSTEMS FABRICATED WITH ROLL TO ROLL PROCESSING

Encite LLC, Burlington, ...

1. A method of manufacturing a microelectromechanical system, the microelectromechanical system comprising a fixed body element and an element that is releasable from the fixed body element and moveable relative to the fixed body element, the method comprising:patterning a first sheet of a flexible plastic material having a metal coating on one surface of the sheet to produce a first metallic region on the one surface;
patterning the first sheet to produce the fixed body element from the first sheet of flexible plastic material and the releasable and moveable feature aligned with the first metallic region, with the patterning of the releasable and moveable feature leaving the releasable and moveable feature tethered to a portion of the fixed body element; and
laminating a second sheet of a flexible plastic material to the first sheet to provide a composite laminated structure.

US Pat. No. 11,028,839

COMPRESSING DEVICE AND METHOD FOR CARRYING OUT COMPRESSING DEVICE

Kobe Steel, Ltd., Hyogo ...

1. A compressing device comprising:a compressor having a cylinder portion configured to form a compression chamber in which gas is compressed;
a housing having a peripheral wall configured to form an internal space in which the compressor is stored, the peripheral wall including an opening wall in which a carry-out port is formed so that the cylinder portion is carried out through the carry-out port;
a first lifting device having a lifting wire to be connected to the cylinder portion of the compressor;
a supporting member situated in the internal space above the compressor and extending in the internal space without protruding out of the housing so as to guide movement of the first lifting device configured to lift the cylinder portion, the cylinder portion being allowed to move toward the carry-out port with being hung by the first lifting device when the first lifting device moves along the supporting member;
a protrusion member protruding outward from the opening wall above the carry-out port; and
a second lifting device fixed at a lower part of the protrusion member, the second lifting device having a lifting wire for carrying the cylinder portion of the compressor to outside of the housing with connecting the lifting wire to the cylinder portion which has been carried near the carry-out port;
wherein the first lifting device is supported by the supporting member at a position higher than an upper edge of the carry-out port.

US Pat. No. 11,028,838

INLINE PUMP ASSEMBLY AND METHOD

Holley Performance Produc...

1. A method of making a pump assembly comprising: placing two in-tank, not sealed pumps into a common sealed housing, said common sealed housing contains the only two pumps in a fuel system wherein each pump has an overpressure relief valve; forming an over pressure relief passage formed around the two in-tank, not sealed pumps in the common sealed housing, wherein said over pressure relief valves are in flow communication with said over relief passage; and forming a common fuel inlet in the common sealed housing; forming a common fuel outlet in the common sealed housing; providing a post filter on an outlet side of the two in-tank, not sealed pumps and directly connected to said common sealed housing; wherein the common sealed housing is configured to be remotely positioned from a fuel tank.

US Pat. No. 11,028,837

SOLENOID PUMP

MAC Valves, Inc., Wixom,...

1. A solenoid pump, comprising:a solenoid having a coil and a pole piece positioned in a solenoid body;
a base including an inlet port and an outlet port, the base connected to the solenoid body such that the base and the solenoid body cooperate to define an internal chamber;
a retainer body disposed inside the internal chamber that includes an armature cavity;
an armature slidably disposed in the coil of the solenoid and the armature cavity for movement along a longitudinal axis between an energized position and a de-energized position;
a diaphragm mounted in the armature cavity that is connected to the armature such that the diaphragm deflects from a first position to a second position in response to movement of the armature along the longitudinal axis from the de-energized position to the energized position;
an inlet check valve positioned in the internal chamber and arranged in fluid communication with the inlet port that permits fluid flow in only a first direction moving from the inlet port toward the diaphragm;
an outlet check valve positioned in the internal chamber and arranged in fluid communication with the outlet port that permits fluid flow in only a second direction moving from the diaphragm toward the outlet port; and
a fluid flow path extending through the retainer body from the inlet check valve to the diaphragm and from the diaphragm to the outlet check valve that transports fluid from the inlet check valve to the outlet check valve as the diaphragm oscillates between the first and second positions,
wherein the fluid flow path is defined by a retainer inlet passage that extends through the retainer body from the inlet check valve to the diaphragm, a pumping volume that is positioned between the retainer body and the diaphragm when the diaphragm deflects to the second position in response to the armature moving to the energized position, and a retainer outlet passage that extends through the retainer bod from the diaphragm to the outlet check valve,
wherein the diaphragm is arranged to close off both the retainer inlet passage and the retainer outlet passage in the first position, sealinq both the retainer inlet passage and the retainer outlet passage from the pumping volume when the diaphragm is in the first position.

US Pat. No. 11,028,836

DRIVE SYSTEM COMPRISING AT LEAST ONE METAL ELEMENT EXHIBITING SHAPE MEMORY PROPERTIES

BLECO-APPARATEBAU GMBH, ...

1. A drive system based on the cyclic conversion of thermal energy into mechanical or electrical energy by using a difference in temperature between at least two media (M1, M2) and the contraction of a metal element (20) with shape memory properties, comprising:at least one drive assembly (48, 48?; 49) which comprises a housing (34; 34?) with at least one metal element (20) placed inside the housing (34, 34?),
at least one restoring element (37) located inside the housing (34; 34?), and
at least one moveable actuating element (35) to which the metal element (20) and the restoring element (37) are coupled,
wherein a gaseous or liquid medium flows around the metal element (20) and the restoring element (37),
wherein
the drive assembly (48, 48?; 49) comprises at least one first and at least one second store (11; 12) containing media (M1, M2) at different temperatures, wherein the second store (12) has a passage opening (36) for direct connection of the second store (12) with a first cylinder space (14) through a bottom (18) of the housing (34, 34?),
the housing (34, 34?) is a cylinder (10) which contains a liquid- and gas-tight arranged cylinder piston (15) and wherein the cylinder piston (15) forms the actuating element (35), and
the cylinder piston (15) divides the cylinder (10) into the first cylinder space (14) and a second cylinder space (16), wherein the two cylinder spaces (14, 16) are separated from each other by the cylinder piston (15), and wherein the first cylinder space (14), which is bounded by the bottom (18), contains the metal element (20) with shape memory properties, and the second cylinder space (16) contains the restoring element (37),
wherein the metal element (20) is secured to the cylinder piston (15) at a fixing point (A) on the cylinder piston (15) and to a fixing point (B) located within the second store (12) so that a section (33) of the metal element (20) is in contact with the medium (M2) of the second store (12) and a section (39) is in contact with the medium (M1) in the second store (14).

US Pat. No. 11,028,835

ARTIFICIAL MUSCLE ACTUATORS

LINTEC OF AMERICA, INC., ...

1. A linear displacement device comprising:a first artificial muscle actuator and a second artificial muscle actuator; and
a body that is restricted to move linearly, the body having a first surface and a second surface that opposes the first surface;
wherein the first artificial muscle actuator and the second artificial muscle actuator are configured to cause the body to move linearly,
the first artificial muscle actuator expanding when actuated, thereby causing the body to move in a linear direction away from a base,
the second artificial muscle actuator contracting when actuated, thereby causing the body to move in the linear direction towards the base,
wherein a first end of each of the first artificial muscle actuator and the second artificial muscle actuator is attached to a same surface of the base, and a second end of each of the first artificial muscle actuator and the second artificial muscle actuator is attached to the second surface of the body, and
wherein both the first artificial muscle actuator and the second artificial muscle actuator extend between the same surface of the base and the second surface of the body.

US Pat. No. 11,028,834

GENERATOR FOR A WIND TURBINE

1. A generator for a wind turbine, comprising:a rotor, wherein the rotor is an outer rotor;
a stator comprising a plurality of stator laminations, wherein the stator comprises a first radial side and a second radial side which is opposite of the first radial side, wherein the rotor is arranged adjacent to the first radial side, wherein the stator is an inner stator, and in between two adjacently disposed stator laminations, a radial air duct is formed such that cooling fluid entering the rotor through a cooling opening flows along a radial inner side of the rotor and through the respective air ducts to an inside of the stator; and
a flow distribution element which is arranged adjacent to the second radial side such that a circumferential flow channel is formed between the flow distribution element and the second radial side;
wherein the flow distribution element comprises a base body which comprises a first axial end and a second axial end, the stator further comprising a first axial stator end and a second axial stator end, wherein the first axial stator end and the second axial stator end are arranged at opposite axial ends of the stator;
wherein the flow distribution element further comprises a separation element which extends between the base body and the second radial side, and wherein the separation element separates a circumferential flow channel in two parts which are not in fluid communication over the separation element, wherein the two parts of the circumferential flow channel are a first part between the first axial end of the flow distribution element and the separation element and a second part between the separation element and the second axial end of the flow distribution element.

US Pat. No. 11,028,833

ROTOR LOCK SYSTEM FOR A WIND TURBINE

1. A rotor lock system for securing a main shaft assembly of a wind turbine in a substantially stationary position, the main shaft assembly comprising a main rotor shaft supported by a base frame and rotatable about a longitudinal axis relative to the base frame, and the rotor lock system comprising:a locking disk associated with the main rotor shaft and provided with a plurality of locking apertures, each of the plurality of locking apertures extending through the locking disk in a direction substantially parallel to the longitudinal axis; and
a locking unit comprising a first end arranged to engage with one or more of said plurality of locking apertures and a second end supported by a mounting feature associated with the base frame,
wherein when the first end of the locking unit is disengaged from the one or more of said plurality of locking apertures, the locking unit is adjustable relative to the mounting feature so that the first end moves linearly with respect to the mounting feature, and
wherein when the first end of the locking unit is engaged with the one or more of said plurality of locking apertures, the locking unit is incapable of being adjusted relative to the mounting feature and the locking disk is incapable of rotating about the longitudinal axis.

US Pat. No. 11,028,832

FLOATING WIND TURBINE HAVING A PLURALITY OF ENERGY CONVERSION UNITS

Aerodyn Consulting Singap...

1. A wind power plant having;a floating foundation designed to be half-submerged, wherein the floating foundation is designed as a Y-shaped platform having a long arm and two short arms, each short arm being shorter than the long arm,
a tower arranged on the floating foundation, wherein the tower is arranged at a connection point of the arms and the long arm extends from the connection point to a free end of the long arm and the two short arms extend from the connection point to a respective free end of each short arm,
at least two cantilevers extending from the tower to a free end of each cantilever,
power converter units, wherein each power convertor unit is arranged on the free end of each cantilever, and
a cable system including at least two supports connecting the foundation to each of the power convertor units and at least one support connecting the power convertor units to each other for introducing the thrust acting upon the tower, the cantilevers and the power convertor units into the foundation, wherein the cable system has a pretensioning and each power convertor unit is arranged above the respective free end of each short arm.

US Pat. No. 11,028,831

CONTROLLING POWER EXCHANGE FROM SELF-COMMUTATED CONVERTERS

1. A method, comprising:operating a wind turbine in a first mode to provide power to a local AC grid using a control system, wherein the control system comprises a reactive power control leg and an active power control leg; and
switching operation of the wind turbine from the first mode to a second mode by activating a controller with an integral action to increase power output by the wind turbine thereby activating an uncontrolled diode rectifier, wherein the active power control leg is coupled to an input of the controller, wherein an output of the controller is coupled to the reactive power control leg, wherein the controller is active during the second mode but inactive during the first mode, and wherein, when in the second mode, the wind turbine transmits power through the local AC grid, and to a high-voltage direct current (HVDC) link coupled to the uncontrolled diode rectifier.

US Pat. No. 11,028,830

MULTIMODAL RENEWABLE ENERGY GENERATION SYSTEM

PERUMALA HOLDINGS, LLC, ...

1. A multimodal renewable energy generation system for generating electric power from more than one renewable energy sources, the system comprising:two or more spinner units configured on a vertical pillar, each of the two or more spinner units configured for rotation under influence of a stream of one of at least two corresponding fluids; and
a set of electric power generators operatively coupled to each of the two or more spinner units to generate electric power when the corresponding spinner unit rotates;wherein at least one of the two or more spinner units is configured close to a base portion of the pillar, and a first corresponding fluid is water; andwherein the remaining of the two or more spinner units are configured with an upper portion of the pillar, and a second corresponding fluid is air,wherein or more sets of gears comprises a main gear coupled to a corresponding spinner unit and a plurality of pinion gears in engagement with the main gear around a periphery of the main gear,wherein each of the plurality of pinion gears is mounted on a housing for free rotation, and coupled to an electric power generator of the corresponding set of electric power generators, andwherein each of the plurality of pinion gears is coupled to a rotor of the corresponding electric power generator with a corresponding stator of the electric power generator being fixed to the housing.

US Pat. No. 11,028,829

CONTROLLING WIND TURBINE BASED ON RAIN DROP SIZE

1. A method for controlling a wind turbine comprising a wind turbine rotor with one or more blades, wherein the wind turbine has a rated angular rotation speed of the wind turbine rotor; the method comprising:providing an estimated drop size of rain drops impinging on the one or more blades,
determining whether an entry criterion for operation according to a reduced mode is fulfilled, wherein said determining is based at least partially on the estimated drop size, and
controlling the wind turbine according to the reduced mode upon determining that the entry criterion is fulfilled, wherein in the reduced mode an angular rotation speed of the wind turbine rotor is limited below an angular rotation speed threshold, and wherein the angular rotation speed threshold is smaller than the rated angular rotation speed of the wind turbine.

US Pat. No. 11,028,828

ULTRACAPACITOR PITCH ENERGY MODULE

Richardson Electronics, L...

1. A pitch energy module for replacing at least one battery within an electric pitch control system of a wind turbine, the at least one battery mounted in the wind turbine in a battery housing and operably coupled with a control system of the wind turbine via at least a battery wiring harness, the pitch energy module comprising:a pitch energy module housing sized for mounting in the battery housing upon replacement of the at least one battery with the pitch energy module;
one or more ultracapacitors mounted within the pitch energy module housing, the one or more ultracapacitors configured to store electrical energy for a wind turbine emergency pitch event;
a microprocessor mounted on or in the pitch energy module housing, the microprocessor processing a first set of information associated with the one or more ultracapacitors;
a non-volatile memory communicatively coupled with the microprocessor for storing a second set of information associated with the pitch energy module;
a communications adapter, mounted on or in the pitch energy module housing and communicatively coupled with the microprocessor, configured to interface with a battery communications cable of the battery wiring harness to thereby transfer at least one signal comprising the first set of information associated with the one or more ultracapacitors to the control system of the wind turbine; and
a charger mounted on or in the pitch energy module housing for electrically charging the one or more ultracapacitors.

US Pat. No. 11,028,827

OPERATING WIND TURBINE ABOVE RATING DURING LOW EROSION CONDITIONS

1. A method for controlling a wind turbine comprising a wind turbine rotor with one or more blades, wherein the wind turbine has a rated angular rotation speed of the wind turbine rotor, wherein the method comprises:obtaining information on ambient conditions comprising information on rain drops impinging on the one or more blades or information on rain drops being likely to impinge on the one or more blades,
determining that an erosion criterion is fulfilled when a physical characteristic of said rain drops satisfies a predetermined threshold, and
controlling the wind turbine according to an extended mode upon determining the erosion criterion is fulfilled, wherein in the extended mode, an angular rotation speed of the wind turbine rotor is allowed to exceed the rated angular rotation speed.

US Pat. No. 11,028,826

VORTEX GENERATOR DEVICE FOR A WIND TURBINE BLADE

LM WIND POWER US TECHNOLO...

1. A vortex generator device for a wind turbine blade, the vortex generator device comprising:a base with an inner side and an outer side;
a first fin protruding from the outer side and extending along a first fin axis, wherein the vortex generator device is a single-fin vortex generator device, and the base has a first edge part and a second edge part, the first edge part and the second edge part being straight, the first edge part and the second edge part forming a primary angle in the range from 5 degrees to 60 degrees, and the base having a first leading corner edge part between the first edge part and the second edge part, the first leading corner edge part being curved; and
an adhesive material on the inner side of the base, the adhesive material comprising an adhesive tape,
wherein the adhesive material has a structure for reducing air bubble formation between the base and the wind turbine blade.

US Pat. No. 11,028,825

MODULAR WIND TURBINE BLADES

1. A method of making one or more blade modules of a modular wind turbine blade, the method comprising:providing a mould assembly comprising a mould having a mould surface shaped to define at least part of an outer shell of a first blade module, and an elongate feature protruding from the mould surface, the elongate feature having a tapered end region defining an inclined upper surface;
arranging one or more first layers of fibrous material on the mould surface to form an outer skin of the first blade module, the one or more first layers at least partially covering the elongate feature;
arranging an elongate spar structure on top of the one or more first layers, the elongate spar structure having a tapered portion that tapers in reverse to the tapered end region of the elongate feature;
arranging the tapered portion of the elongate spar structure on top of the inclined upper surface of the elongate feature;
arranging one or more second layers of fibrous material on top of the one or more first layers and on top of the elongate spar structure to form an inner skin of the first blade module;
integrating the one or more first layers, the one or more second layers and the elongate spar structure by means of a curable matrix material;
curing the matrix material to form the outer shell of the first blade module;
wherein the elongate feature of the mould assembly forms a tapered recess in the outer shell of the first blade module.

US Pat. No. 11,028,824

WIND TURBINE BLADE WITH A TRAILING EDGE SPACING SECTION

1. A blade (10) for a rotor of a wind turbine (2) having a horizontal rotor shaft, said rotor comprising a hub (8), from which the blade (10) extends in a radial direction when mounted to the hub (8), the blade having a longitudinal direction (r) with a tip end (16) and a root end (14) and a vertical direction, the blade further comprising:a profiled contour including a pressure side and a suction side, as well as a leading edge (18) and a trailing edge (20) with a chord having a chord length (c) extending therebetween, the profiled contour, when being impacted by an incident airflow, generating a lift;
a pressure side shell part at least partly made of a sandwich structure including an inner skin (76), an outer skin (74), and an intermediate core material (75, 77);
a suction side shell part at least partly made of a sandwich structure including an inner skin (86), an outer skin (84), and an intermediate core material (85, 87), wherein the suction side shell part is bonded to the pressure side shell part at least along the respective leading edges (18) of the shell parts; and
a longitudinally extending spacing section (65) in which the respective trailing edges (58a, 58b) of the pressure side shell part and the suction side shell part are spaced apart,
wherein a trailing edge shear web (45) is arranged at the trailing edge (20) of the blade (10) between and connected directly to the sandwich structure of the suction side shell part (84, 86, 87) at a position including the inner skin (86), the outer skin (84), and the intermediate core material (85, 87) of the sandwich structure of the suction side shell part, and the sandwich structure of the pressure side shell part (74, 76, 77) at a position including the inner skin (76), the outer skin (74), and the intermediate core material (75, 77) of the sandwich structure of the pressure side shell part.

US Pat. No. 11,028,823

WIND TURBINE BLADE WITH TIP END SERRATIONS

LM WIND POWER US TECHNOLO...

1. A wind turbine blade having a profiled contour including a pressure side and a suction side, and a leading edge and a trailing edge with a chord having a chord length extending therebetween, the wind turbine blade extending in a spanwise direction between a root end and a tip end, the wind turbine blade comprising two or more serrations provided along a section of the trailing edge, said section extending spanwise from the tip end towards the root end for up to 5% of the total blade length, wherein a closest one of the two or more serrations to the tip end has a height and/or width greater than the respective height and/or width of at least one of a remainder of the two or more serrations in said section.

US Pat. No. 11,028,822

WIND TURBINE AIRFOIL STRUCTURE FOR INCREASING WIND FARM EFFICIENCY

University of Massachuset...

1. A wind turbine comprising:a nacelle;
a drive shaft extending from the nacelle along a shaft axis;
a plurality of turbine blades coupled to the drive shaft and extending radially relative to the shaft axis; and
a first static airfoil structure coupled to the wind turbine to influence airflow exiting the plurality of turbine blades;
wherein the plurality of turbine blades are configured to generate a wake field;
wherein the first static airfoil structure is configured to push wake field air toward ground level; and
wherein a majority of a span of the first static airfoil structure is configured to push wake field air toward ground level.

US Pat. No. 11,028,821

TIDAL POWER GENERATOR

1. A tidal power generator comprising:a first container;
a shaft;
a second container coupled to a first side of the first container via the shaft and a third container coupled to a second side of the first container via the shaft, the second side being opposite the first side, and the second container and the third container being pivotably coupled to the first container;
a frame pivotably coupled to the first container;
a first valve, associated with the first container, configured to selectively control ingress of a first volume of a first fluid into the first container; and
a second valve, associated with the first container, configured to selectively control egress of a second volume of the first fluid out of the first container.

US Pat. No. 11,028,820

TIDAL CURRENT GENERATING UNIT

1. A tidal current generating unit, comprising: a turbine, a hub, a generator, a bearing set and a fixed flange;wherein the generator comprises a stator and a rotor;
the turbine is connected to the rotor of the generator by the hub; the rotor is rotatably mounted on an outer circumference of the stator of the generator via the bearing set; the stator of the generator is fixedly connected to the fixed flange; a rotating component comprises the hub and the rotor; and the turbine drives the rotating component to rotate to generate electricity;
the turbine comprises a blade, and a density of the blade is much smaller than a density of seawater, such that the blade has sufficient buoyancy that offsets gravity of the rotating component in the seawater, and a load of the bearing set is reduced;
the turbine further comprises a blade stem, a blade stem bearing, a pitch limiter, a forward pitch regulator and a reverse pitch regulator; a root of the blade is fixedly connected to the blade stem; a blade stem hole is radially distributed on the hub, and the blade stem is rotatably mounted in the blade stem hole by the blade stem bearing and is rotatable around a flange central axis of the blade in the blade stem hole;
the pitch limiter comprises a first limiting edge and a second limiting edge connecting with the first limiting edge, the first limiting edge and the second limiting edge are protruding, and surround a rear end of the blade stem;
the forward pitch regulator is arranged at one side of the pitch limiter, and the reverse pitch regulator is oppositely arranged at another side of the pitch limiter;
a rear end of the blade stem is coaxially connected to the pitch limiter; when the blade is pushed by forward tidal currents, the blade, blade stem and pitch limiter are clockwise rotated around the flange central axis of the blade; when the blade is pushed by reverse tidal currents, the blade, blade stem and pitch limiter are counterclockwise rotated around the flange central axis of the blade.

US Pat. No. 11,028,819

INERTIAL WATER COLUMN WAVE ENERGY CONVERTER

Lone Gull Holdings, Ltd.,...

1. A wave-to-electricity energy converter, comprising:a buoyant flotation module adapted to float on a surface of a body of water, the buoyant flotation module comprising a deck, a hull, a ballast compartment, and a central vertical channel;
a columnar body disposed within the central vertical channel and extending therebelow, the columnar body defining a water chamber comprising a water inlet and an air exit;
a turbine disposed at the air exit;
a plurality of computational modules installed at the flotation module, the plurality of computational modules powered by rotation of the turbine; and
a valve fluidly connecting the columnar body and the ballast compartment.

US Pat. No. 11,028,818

WAVE ENERGY CONVERSION OF HORIZONTAL SURGE MOTION

Oscilla Power Inc., Seat...

1. A system for converting mechanical wave energy into electrical energy, the system comprising:a wave energy converter (WEC) comprising:
a surface float;
a reaction structure;
a plurality of flexible tethers, each flexible tether connecting the surface float to the reaction structure; and
a plurality of drivetrains, wherein each drivetrain is connected to a corresponding flexible tether;
wherein each flexible tether connecting the drivetrain to the reaction structure has a length established to treat the system as an inverse pendulum to utilize a horizontal surge motion of the surface float to present tension at the corresponding drivetrain for production of electrical energy from the horizontal surge motion, and to follow approximately a natural pendulum given by the formula:

wherein where L is the length of a tether, and g is the gravitational acceleration, and Tn is the natural period,
wherein the each flexible tether is individually adjustable in length, and wherein at least two flexible tethers can produce different effective moment arms about the surface float center of gravity resulting in a net pitch moment.

US Pat. No. 11,028,817

BIDIRECTIONAL SYSTEM AND APPARATUS FOR GENERATING POWER

VERDERG RENEWABLE ENERGY ...

1. An apparatus for use in generating electricity from a bidirectional water flow, comprising:a base structure;
a primary flow pipe defining a first flow passage through the base structure; and
a secondary flow pipe defining a second flow passage through the base structure, wherein the first and second flow passages are configured for bidirectional flow;
the primary flow pipe comprising:
a convergent section;
a mixing chamber, the convergent section being connected to a first end of the mixing chamber to define a venturi therebetween; and
a diffuser section connected to a second end of the mixing chamber;
the apparatus further comprising:
an opening in the secondary flow pipe arranged to provide fluidic communication between the second flow passage and the mixing chamber;
a turbine connectable to a generator and arranged to be rotated by water flow from the second flow passage; and
a flow control mechanism for directing the water flow from the second flow passage through the opening into the mixing chamber, where water flowing from a first direction flows into the mixing chamber from one end of the base structure and water flowing from a second direction flows into the mixing chamber from the opposite end of the base structure, and where the flow control mechanism is configured to block the water flow through an entire length of the second flow passage and is configured to control the direction of the water flow so that all water entering the primary and secondary flow pipes discharges via the primary flow pipe.

US Pat. No. 11,028,816

GRAVITATIONAL VORTEX WATER TURBINE ASSEMBLY

TURBULENT BVBA, Leuven (...

1. A gravitational vortex water turbine assembly, comprising:a spiral-shaped vortex basin configured to induce a vortex having a substantially vertical central axis in a water flow under the influence of gravity, the spiral-shaped vortex basin comprising a side wall with a tangential inflow opening for supplying the water flow to the vortex and a bottom with a central outflow opening for discharging the water flow of the vortex,
a water turbine, disposed under the spiral-shaped vortex basin, coaxially with the substantially vertical central axis of the vortex, comprising a turbine housing, coupled to the central outflow opening, and a turbine rotor,
wherein the turbine rotor comprises a central rotor hub and rotor blades attached thereon, and
wherein the rotor blades:
comprise an upstream end at an upper side of the rotor blades and a downstream end at a lower side of the rotor blades, a smallest angle between the substantially vertical central axis and a plane tangent to the upstream end is smaller than a smallest angle between the substantially vertical central axis and a plane tangent to the downstream end;
at a radially inward end have a larger angle between a vertical plane tangent to the radially inward end and a plane through the substantially vertical central axis and through the radially inward end than an angle at a radially outward end between a vertical plane tangent to the radially outward end and a plane through the substantially vertical central axis and the radially outward end; and
at the radially inward end have a smaller angle between the radially inward end and a plane perpendicular to the substantially vertical central axis than an angle at the radially outward end between the radially outward end and a plane perpendicular to the substantially vertical central axis and through the radially outward end,
such that the rotor blades are configured to absorb the tangential, axial and radial component of the water flow of the vortex.

US Pat. No. 11,028,815

FRANCIS TURBINE AND METHOD OF OPERATING SAME

Voith Patent GmbH, Heide...

1. A Francis turbine, comprising:a waterway defining a water flow direction;
an impeller disposed in said waterway;
an adjustable distributor apparatus disposed in said waterway;
an additional element for adjusting a flow of water through the Francis turbine, said additional element being disposed in said waterway upstream of said impeller in said water flow direction, and said additional element including a perforated metal sheet configured to be brought into said waterway, said perforated metal sheet having perforations including slots;
said perforated metal sheet having an end intended to enter said waterway first upon bringing said additional element into said waterway;
said slots being tapered defining ends of said slots having lesser widths and ends of said slots having greater widths; and
said slots being formed in said perforated metal sheet in such a way that said ends of said slots having said lesser widths face toward said end of said metal sheet intended to enter said waterway first upon bringing said element into said waterway.

US Pat. No. 11,028,814

SEMICONDUCTOR DEVICE FOR INTERNAL COMBUSTION ENGINE IGNITION

FUJI ELECTRIC CO., LTD., ...

1. A semiconductor device for internal combustion engine ignition, comprising:a power semiconductor switching device that switches ON and OFF in accordance with a control signal provided by an external control circuit for causing a spark plug to produce sparks, the power semiconductor switching device including a collector to which a primary winding of an ignition coil is to be connected and a gate to which the control signal is to be inputted;
an auxiliary voltage circuit that generates and applies an auxiliary voltage responsive to a collector voltage of the power semiconductor switching device to the gate of the power semiconductor switching device; and
a constant current circuit that is interposed between the auxiliary voltage circuit and the gate of the power semiconductor switching device and that limits current flowing through the constant current circuit from the auxiliary voltage circuit to the gate of the power semiconductor switching device so as to regulate the current even if a high-voltage surge originating from an external power source connected to the primary winding is applied to the auxiliary voltage circuit via the primary winding.

US Pat. No. 11,028,813

METHOD FOR CONTROLLING A VEHICLE INCLUDING AN IDLE STOP AND GO FUNCTION

HYUNDAI MOTOR COMPANY, S...

1. A method for controlling a vehicle including an idle stop function during operation of the vehicle, the method comprising:receiving, by a controller, a detection signal required to perform the idle stop function; and
controlling, by the controller, in response to the detection signal, the vehicle to enter into an idle stop state, wherein a fuel supply to an engine of the vehicle is cut off and the engine stops when the vehicle decelerates or stops according to the idle stop function,
wherein the detection signal includes (a) a fuel cut off signal that is in an on state when the vehicle decelerates, is in an off state at a reference revolution number of the engine, and indicates whether a fuel supply to the engine is cut off, (b) a gear engagement signal indicating whether a gear included in a transmission of the vehicle is engaged, (c) a clutch pedal signal indicating whether a clutch pedal operating a clutch of the vehicle is operated, and (d) a brake pedal signal indicating whether a brake pedal of the vehicle is operated,
wherein the controller is configured to generate an idle stop entry signal based on (i) the fuel cut off signal that is in an on state, (ii) the gear engagement signal that is in an on state, (iii) the clutch pedal signal that is in an off state, and (iv) the brake pedal signal that is in an on state, and wherein the controller is configured to enter the vehicle into the idle stop and go state based on the idle stop and go entry signal,
wherein the reference revolution number of the engine is greater than an idle revolutions per minute of the engine and has a value close to the idle revolutions per minute, and
wherein the gear of the transmission is in an engagement state and the clutch pedal signal is in an off state when the fuel cut off signal is in an on state while the vehicle is in the idle stop state during the operation of the vehicle.

US Pat. No. 11,028,812

INTEGRATED BRUSHLESS STARTER GENERATOR

Astronics Advanced Electr...

1. A starter-generator system contained within a single housing disposed within a nacelle of an aircraft, the starter-generator system comprising:said housing having first and second ends, wherein the first end includes a first end opening to receive a drive spline from a motive source, and wherein the second end includes a second end opening that is opposite the first end, the second end opening terminating at an air inlet duct;
a brushless starter-generator unit adjacent the first end and kinetically connectable to the drive spline; and
a power control unit adjacent the second end and electrically coupled to the brushless starter-generator unit, the power control unit including
a terminal block configured to transmit DC electrical power to and from the starter-generator; and
a field effect transistor module interconnecting the terminal block and a circuit card assembly configured to provide timing signals to the field effect transistor module;
wherein in a start mode, the power control unit receives DC power via the terminal block, controls the FET module to invert the DC power to AC power at timing controlled by the circuit card assembly, and supplies the AC power to the starter-generator unit, and in a generate mode, the power control unit rectifies AC power received from the starter-generator unit to DC power and provides the DC power via the terminal block.

US Pat. No. 11,028,811

INTERNAL COMBUSTION ENGINE INCLUDING AT LEAST ONE ELECTRIC MOTOR

Deutz Aktiengesellschaft,...

1. An internal combustion engine comprising:a crankcase;
a first electric motor situated on the crankcase;
at least one control unit for controlling at least one of the internal combustion engine and the electric motor; and
at least one high voltage converter mounted on top of a front plate, the front plate being connected to a front face of the crankcase, the first electric motor being attached to the front plate by an adaptor unit fixed to the front plate.

US Pat. No. 11,028,810

INJECTOR METHOD OF SWITCHING BETWEEN INJECTION STATE AND DRAIN STATE

Cummins, Inc., Columbus,...

1. An injector, comprising:an injector body comprising an inlet passage configured to receive fluid from an inlet port at the injector body, at least one injection outlet configured to deliver fluid, and a central bore;
a needle valve disposed for reciprocal movement within the central bore between a closed position and an opened position, the needle valve comprising an armature, a valve tip and an elongated body between the armature and the valve tip; and
an actuator configured to move the needle valve between the closed position wherein a first portion of a surface of the valve tip engages a first portion of a surface of the injector body to form a first seal that inhibits flow through the at least one injection outlet, and the opened position wherein a second portion of the surface of the valve tip engages a second portion of the surface of the injector body to form a second seal that inhibits flow through a drain outlet, and the inlet port is positioned longitudinally intermediate the drain outlet and the at least one injection outlet.

US Pat. No. 11,028,809

HIGH PRESSURE FUEL PUMP AND FUEL SUPPLY SYSTEM

DENSO CORPORATION, Kariy...

8. A high pressure fuel pump for delivering fuel, which is suctioned into a pressurizing chamber from a low pressure fuel pump through a suction passage, to a supply destination after pressurizing the fuel in the pressurizing chamber with a plunger, the high pressure fuel pump comprising:a pump body that slidably supports the plunger and forms the suction passage, the pressurizing chamber, a cam receiving chamber and a release passage, wherein the pressurizing chamber is communicated with the suction passage and the release passage through a connection;
a control valve that is configured to open and close the connection; and
a controller that is configured to control an operation of the control valve, wherein:
the controller is configured to place the control valve in an opening state where the control valve opens the connection to supply the fuel from the suction passage to the pressurizing chamber through the connection in a suction stroke, during which the plunger is driven toward a suction side for suctioning the fuel into the pressurizing chamber;
the controller is configured to place the control valve in a closing state where the control valve closes the connection at a closing timing in a delivery stroke, during which the plunger is driven toward a delivery side for delivering the fuel out of the pressurizing chamber upon pressurization of the fuel after the suction stroke;
the controller is configured to maintain the control valve in the opening state to relieve the fuel, which is pressurized by the plunger, from the pressurizing chamber to the release passage through the connection during the delivery stroke until the closing timing reaches after a start of the delivery stroke;
the pressurizing chamber is one of a primary pressurizing chamber and a secondary pressurizing chamber, which are formed at the pump body;
the plunger is one of a primary plunger and a secondary plunger respectively provided to the primary pressurizing chamber and the secondary pressurizing chamber, while a period of the delivery stroke of the primary pressurizing chamber and a period of the delivery stroke of the secondary pressurizing chamber are deviated from each other;
the cam receiving chamber receives a drive cam that is configured to drive the primary plunger and the secondary plunger;
the release passage communicates between the primary pressurizing chamber and the secondary pressurizing chamber; and
the controller is configured to provide control such that when one of the primary pressurizing chamber and the secondary pressurizing chamber is under the delivery stroke, the fuel, which is released from the one of the primary pressurizing chamber and the secondary pressurizing chamber to the release passage, is supplied to another one of the primary pressurizing chamber and the secondary pressurizing chamber, which is under the suction stroke, through the release passage.

US Pat. No. 11,028,808

INJECTOR DEVICE

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

1. An injector device comprising:a casing enabling fluid to flow in and flow out;
a first plunger and a second plunger accommodated inside the casing; and
a drive unit configured to cause the first plunger and the second plunger to displace, wherein the drive unit comprises:
a coil unit arranged along an axial direction of the casing and configured to apply a driving force to the first plunger, and
a spring configured to urge the first plunger to move toward an opposite direction to a predetermined direction;
the first plunger and the second plunger are configured to integrally displace in a first operation of the drive unit, and the first plunger is configured to displace relative to the second plunger in a second operation of the drive unit;
the second plunger has a flow path along which the fluid flows;
the first plunger is inserted into the flow path and is displaceable relative to the second plunger to open and close the flow path; and
the first plunger internally includes a flow passage communicating with the flow path of the second plunger to guide the fluid having flowed in the casing to the flow path, wherein the flow path is continuously open.

US Pat. No. 11,028,807

BOWL FOR FILTER ASSEMBLIES

CUMMINS FILTRATION IP, IN...

1. A filter assembly, comprising:a housing defining an internal volume, a housing second end of the housing defining at least one female thread; and
a bowl positioned at the housing second end, the bowl comprising at least one bowl male thread structured to engage the at least one female thread of the housing so as to be coupled thereto, the bowl comprising a first port and a second port;
wherein a portion of a sidewall of the housing at the housing second end is folded inwards and positioned within the internal volume of the housing.

US Pat. No. 11,028,806

FLUID SUPPLY SYSTEM HAVING SHUTOFF VALVE WITH STABILIZED ELECTRICAL VALVE ACTUATOR

Caterpillar Inc., Peoria...

1. A fluid supply system for a machine comprising:a shutoff valve including a valve housing having an outer housing surface, an inner housing surface forming a fluid supply conduit for supplying a fluid to the machine, and an actuator bore that opens at the outer housing surface;
the shutoff valve further including a valve member movable within the valve housing from an open position to a closed position, to shutoff fluid flow through the fluid supply conduit, and an electrical valve actuator extending through the actuator bore;
the electrical valve actuator including a solenoid subassembly supported by the valve housing and extending outboard of the actuator bore, and the solenoid subassembly including a solenoid housing having a first solenoid housing end adjacent to the outer housing surface, and a second solenoid housing end, and projecting outwardly from the valve housing in a direction of the second solenoid housing end along an axis defined by the actuator bore; and
a stabilizer for the electrical valve actuator including a fitting coupled to the valve housing and forming an opening to the fluid supply conduit, a strongarm extending between the fitting and the solenoid subassembly, and a clamp clamping the strongarm to the solenoid subassembly.

US Pat. No. 11,028,805

SYSTEM AND METHOD FOR ON-BOARD CATALYTIC UPGRADING OF HYDROCARBON FUELS

Saudi Arabian Oil Company...

1. A vehicle comprisingan on-board point-of-sale fuel tank,
an operator accessible point-of-sale fuel filling port that is structurally configured to transfer hydrocarbon fuel from a point-of-sale fuel dispenser to the on-board point-of-sale fuel tank,
an internal combustion engine that is configured to provide motive force to the vehicle,
an unreformed fuel subsystem that is structurally configured to transfer unreformed hydrocarbon fuel from the on-board point-of-sale fuel tank to the internal combustion engine along an unreformed fuel supply pathway,
a reformed fuel subsystem that is structurally configured to reform hydrocarbon fuel from the on-board point-of-sale fuel tank and transfer reformed fuel to the internal combustion engine along a reformed fuel supply pathway separated from the unreformed fuel supply pathway, and
fuel system control architecture comprising a reformate flow control device and a cetane rating controller, wherein:
the reformed fuel subsystem comprises a catalytic reactor, a diverted hydrocarbon fuel inlet configured to direct a diverted portion of hydrocarbon fuel originating from the on-board point-of-sale fuel tank to the catalytic reactor, an oxidizing gas inlet configured to direct an oxidizing gas to the catalytic reactor, an unreacted oxidizing gas outlet configured to direct at least a portion of an unreacted oxidizing gas from the catalytic reactor, and a reformed hydrocarbon fuel outlet configured to direct reformed hydrocarbon fuel to the internal combustion engine;
the catalytic reactor comprises a reforming catalyst and is structurally configured to alter a native cetane rating of the diverted hydrocarbon fuel in the presence of oxidizing gas from the oxidizing gas inlet of the reformed fuel subsystem;
the unreacted oxidizing gas outlet further comprises a hydrocarbon vapor removal device and a vapor recycle line connecting the hydrocarbon vapor removal device to an intake of the internal combustion engine where the hydrocarbon vapor removal device is structurally configured to separate hydrocarbon vapors from unreacted oxidizing gasses and discharge the hydrocarbon vapors into the vapor recycle line; and
the cetane rating controller and the reformate flow control device cooperate to deliver an upgraded hydrocarbon fuel to a combustion zone of the internal combustion engine by controlling a volumetric ratio of unreformed hydrocarbon fuel from the unreformed fuel subsystem to reformed hydrocarbon fuel from the reformed fuel subsystem.

US Pat. No. 11,028,804

EXHAUST GAS RECIRCULATION ELEMENT CLEANER AND METHOD OF USE

Fleet Emission Solutions ...

1. A method of removing engine deposits and soot from an exhaust gas recirculation (EGR) element of an internal combustion engine using an EGR cleaning station comprising of steps: Increasing from an ambient temperature, the temperature of a cleaning solution and water housed within the EGR cleaning station; increasing from an ambient temperature, the temperature of the EGR; setting sealing adaptors of the EGR cleaning station within terminal ends of the EGR; forming a complete loop between the EGR cleaning station and the EGR; forminga fluid connection between the EGR and the cleaning solution within the EGR cleaning station; circulating the cleaning solution under pressure of 15 psi through the EGR for a fixed time period or until pressure drops to a preset value; forming a fluid connection between the EGR and the water within the EGR cleaning station; circulating the water through the EGR for one hour; removal of excess cleaning solution and water remaining within the EGR; and, removal of the sealing adaptors of the EGR cleaning station from the terminal ends of the EGR and connecting the EGR to the internal combustion engine; wherein the method of removing engine deposits isolates the EGR without requiring physical removal of the EGR.

US Pat. No. 11,028,803

RESIN TRANSFER MOLDED ROCKET MOTOR NOZZLE WITH ADAPTIVE GEOMETRY

Raytheon Company, Waltha...

1. A rocket motor nozzle comprising:a pair of relatively-low-erosion material layers; and
a relatively-high-erosion material layer sandwiched between the relatively-low-erosion material layers;
wherein each of the pair of relatively-low-erosion material layers and the relatively-high-erosion material layer include resin-transfer molded materials;
wherein the resin transfer molded material of the pair of relatively-low-erosion material layers and the resin transfer molded material of the relatively-high-erosion material layer are different materials;
wherein the relatively-high-erosion material layer k made of a relatively-high-erosion material that erodes more quickly when exposed to flow through the nozzle than does a relatively-low-erosion material or materials of the relatively-low-erosion material layers; and
wherein the relatively-low-erosion material layers include:
an inner relatively-low-erosion material layer that radially inwardly overlaps the relatively-high-erosion material layer; and
an outer relatively-low-erosion material layer that radially outwardly overlaps the relatively-high-erosion material layer.

US Pat. No. 11,028,802

LIQUID ROCKET ENGINE ASSEMBLIES AND RELATED METHODS

Northrop Grumman Systems ...

1. A liquid rocket engine assembly, comprising:a thrust chamber having a first annular recess extending into the thrust chamber and radially inward from an outer surface of the thrust chamber and toward a center longitudinal axis of the liquid rocket engine assembly;
a nozzle having a first annular protrusion extending radially outward from an outer surface of the nozzle and the center longitudinal axis; and
a joint structure separate and discrete from the thrust chamber and the nozzle, the joint structure attaching the thrust chamber and the nozzle, the joint structure comprising:
an attachment ring comprising a second annular recess extending into the joint structure and radially outward from the center longitudinal axis, the second annular recess being sized and shaped to receive the first annular protrusion;
a flange member comprising a second annular protrusion extending radially inward from an inner surface of the joint structure and sized and shaped to be received in the first annular recess of the thrust chamber;
at least one seal element interposed between the thrust chamber and the nozzle and between the attachment ring and the flange member; and
fasteners extending completely through the attachment ring and the at least one seal element and into the flange member,
wherein materials of the thrust chamber and of the nozzle comprise different coefficients of thermal expansion.

US Pat. No. 11,028,801

GRATING FOR THE FORMATION OF A REVERSE FLOW OF AN AIRCRAFT TURBOFAN ENGINE

AIRBUS OPERATIONS SAS, T...

1. A grating for forming a reverse flow of a turbofan engine having a forward longitudinal end and an aft longitudinal end and a lateral width, the grating comprising:fins of a first type having a curved profile when viewed in a lateral direction relative to the grating, a rounding of the curved profile being configured to be oriented aft and whose center of curvature is forward relative to the fin of the first type,
fins of a second type, wherein a chord of the fins of the second type is smaller than a chord of the fins of the first type,
wherein the fins of the first type and the fins of the second type are disposed in an alternating arrangement along the grating, and
wherein each fin of the second type has a curved profile when viewed in a lateral direction relative to the grating, a rounding of the curved profile being configured to be oriented aft and whose center of curvature is forward relative to the fin of the second type.

US Pat. No. 11,028,800

ENGINE COOLANT SYSTEM AND METHOD

TRANSPORTATION IP HOLDING...

1. A coolant system for a cylinder of an engine, comprising:a cylinder liner jacket encircling the cylinder and configured to circulate coolant around a liner of the cylinder, a central axis of the liner jacket coaxial with a central axis of the encircled cylinder;
a coolant feed gallery positioned within a crankcase below the cylinder;
a coolant return gallery positioned within the crankcase, below the coolant feed gallery;
a cylinder head lower coolant jacket surrounding a lower surface of a cylinder head positioned over the cylinder, the lower coolant jacket positioned above and coaxial with the liner jacket, a first inlet passage of the lower coolant jacket extending from the cylinder liner jacket, and a second inlet passage of the lower coolant jacket extending from the coolant feed gallery; and
a cylinder head upper coolant jacket surrounding an upper surface of the cylinder head, the upper coolant jacket positioned above the lower coolant jacket, the upper coolant jacket including a central piece that is coaxial with the liner jacket, a first inlet passage of the upper coolant jacket extending from the lower coolant jacket, and a second inlet passage of the upper coolant jacket extending from a cylinder head exhaust port cooling jacket;
the cylinder head exhaust port cooling jacket coupled between the upper coolant jacket and the lower coolant jacket, and offset to one side of the central axis, wherein the lower coolant jacket is fluidically coupled to each of the coolant feed gallery, the upper coolant jacket, the cylinder liner jacket, and the exhaust port cooling jacket, an inlet passage of the cylinder head exhaust port cooling jacket extending from the lower coolant jacket.

US Pat. No. 11,028,799

SELECTIVE ENGINE BLOCK CHANNELING FOR ENHANCED CAVITATION PROTECTION

1. An engine block assembly utilized within a liquid-cooled engine, the engine block assembly comprising:an anti-cavitation engine block having an engine block body comprising:
a first cylinder having a first cylinder centerline;
a second cylinder having a second cylinder centerline;
a first inter-cylinder wall section located between the first cylinder and the second cylinder, as taken along a longitudinal axis perpendicular to the first cylinder centerline and to the second cylinder centerline; and
a first plurality of anti-cavitation channels formed as axially-elongated trenches cut into the case engine block body at the first inter-cylinder wall section;
a cylinder liner inserted into the first cylinder and having an outer circumferential surface toward which the first plurality of anti-cavitation channels opens; and
a water jacket extending at least partially around the outer circumferential surface of the cylinder liner, the first plurality of anti-cavitation channels increasing local radial thicknesses of the water jacket to deter cavitation within the water jacket and adjacent the cylinder liner during operation of the liquid-cooled engine.

US Pat. No. 11,028,798

INTERNAL-COMBUSTION-ENGINE CONTROL DEVICE AND CONTROL METHOD

Toyota Jidosha Kabushiki ...

1. A control device for fuel injection of an internal combustion engine, the internal combustion engine that is subject to control performed by the control device including a port injection valve that injects fuel into an intake passage, wherein the control device is configured to execute:a requested injection amount calculation process for calculating a requested injection amount for controlling an air-fuel ratio to a target air-fuel ratio based on an air amount filling a cylinder of the internal combustion engine; and
an operation process for operating the port injection valve in order to inject fuel of the requested injection amount, and
the operation process includes a multiple injection process for injecting fuel in sequence from an intake asynchronous injection to an intake synchronous injection by splitting the fuel of the requested injection amount so as to variably set a synchronous injection amount and an asynchronous injection amount in accordance with load that is a physical quantity having a correlation with the filling air amount, the synchronous injection amount being an injection amount of the intake synchronous injection of injecting fuel in synchronization with an open period of an intake valve, the asynchronous injection amount being an injection amount of the intake asynchronous injection of injecting fuel at a timing that is more advanced than a timing of the intake synchronous injection.

US Pat. No. 11,028,797

ENGINE CONTROL METHOD AND ENGINE CONTROL DEVICE

Mazda Motor Corporation, ...

1. An engine control method of executing a cycle including an intake stroke, a compression stroke, an expansion stroke, and an exhaust stroke in a combustion chamber of an engine, the method comprising:a fuel supply step in which an injector supplies fuel into the combustion chamber; and
an ignition step in which a spark plug arranged in the combustion chamber makes a flame after the supply of the fuel to the combustion chamber and at a timing when a flow strength in the combustion chamber is greater than a predetermined value in the compression stroke during or before a post-mid stage where the compression stroke is divided into four stages of a pre-stage, a pre-mid stage, the post-mid stage, and a post-stage.

US Pat. No. 11,028,796

INTERNAL COMBUSTION ENGINE

1. An internal combustion engine comprising:a control device;
at least one injector for injecting liquid fuel, which is controlled by the control device via an actuator control signal, wherein the at least one injector comprises an injector outlet opening for the liquid fuel which is closed by a needle;
and a sensor configured to sense a measurement variable of the at least one injector, wherein the sensor is communicatively coupled to the control device,
wherein the control device during operations of the internal combustion engine:
calculates a state of the injector on the basis of input variables and an injector model to derive a calculated state, wherein the input variables comprise at least the actuator control signal and the measurement value;
compares the calculated state to a target state;
produces a state signal based on the comparison between the calculated state to the target state; and
produces the actuator control signal to move the needled based on the state signal, wherein the injector model uses as input a start time of the needle lift-off from a needle seat, wherein the injector model comprises:
pressure progressions in the volumes of the injector filled with the liquid fuel;
mass flow rates between the volumes of the injector filled with the liquid fuel;
a kinematic variable of the needle being a position of the needle relative to the needle seat; and
dynamics of the actuator of the needle.

US Pat. No. 11,028,795

OPERATION OF A FUEL INJECTOR HAVING A HYDRAULIC STOP

VITESCO TECHNOLOGIES GMBH...

1. A method for operating a fuel injector having a hydraulic stop, a solenoid drive, and a pole piece, wherein the solenoid drive has a movable armature and a nozzle needle moved by the armature, the method comprising:applying a first current profile to the solenoid drive to perform a first injection process by moving the armature toward the pole piece to the hydraulic stop and inject a predefined injection quantity through a gap between the movable armature and the pole piece into a cylinder of an internal combustion engine;
determining a first value of a system parameter indicative of a relationship between an actual injected fuel quantity and the predefined fuel quantity, wherein the system parameter measures an operational variable of the cylinder;
determining, on the basis of the determined first value of the system parameter, whether the actual injected fuel quantity is smaller than the predefined fuel quantity by a predefined amount corresponding to a disparity between a magnetic force exerted on the armature in the direction of the pole piece and the hydraulic stop caused by an opposite hydraulic force exerted on the armature by fuel; and
if it was determined that the quantities differ by the predefined amount, applying a second current profile to the solenoid drive to perform a second injection process into the cylinder;
wherein the second current profile, in comparison with the first current profile, exerts a lower magnetic force on the armature in the direction of the pole piece.

US Pat. No. 11,028,794

METHOD TO ELEVATE IDLE SPEED TO LAUNCH A VEHICLE WITH MANUAL TRANSMISSION

PACCAR INC., Bellevue, W...

1. A vehicle computer system, comprising:at least one processing unit; and
a memory, operatively connected to the at least one processing unit and storing computer-executable instructions that, when executed by the at least one processing unit, cause the vehicle computer system to perform steps comprising:
determining for a vehicle, a vehicle speed, an engine speed, a clutch position, and a brake position; and
initiating an engine idle speed increase based at least in part on the vehicle speed, the clutch position, and the brake position, wherein the step of initiating the engine idle speed increase is based at least in part on the vehicle speed being less than a predetermined maximum speed.

US Pat. No. 11,028,793

INTERNAL COMBUSTION ENGINE CONTROL SYSTEM

DENSO CORPORATION, Kariy...

1. An internal combustion engine control system comprising:a control unit configured to control a combustion state of an internal combustion engine based on a detection value of a temperature sensor that is configured to detect a temperature of a detection object;
a monitor unit configured
to calculate an estimated torque as an estimated value of an actual torque of the internal combustion engine and an engine-requested torque requested for the internal combustion engine and
to monitor whether the estimated torque differs from the engine-requested torque by an amount greater than or equal to a predetermined criterion to be in an abnormal torque state; and
a detection abnormality determination unit configured to determine whether one of the detection value and a behavior of the detection value is abnormal, wherein
the monitor unit includes:
a normal-state torque calculation unit configured to calculate the estimated torque by using the detection value when the detection abnormality determination unit does not determine an abnormality; and
an abnormal-state torque calculation unit configured to calculate the estimated torque by inhibiting using of the detection value when the detection abnormality determination unit determines an abnormality, wherein
the detection abnormality determination unit includes an upper and lower limit determination unit configured to determine an abnormality when the detection value exceeds a predetermined range between upper and lower limits, and
the abnormal-state torque calculation unit is configured to:
measure an abnormality state elapsed time that has elapsed from the determination of an abnormality by the upper and lower limit determination unit, and
calculate the estimated torque while inhibiting using of the detection value on determination that the abnormality state elapsed time does not exceed a predetermined time.

US Pat. No. 11,028,792

SYSTEMS AND METHODS FOR CONTROLLING EGR FLOW DURING TRANSIENT CONDITIONS

Cummins Inc., Columbus, ...

10. A method of controlling a charge flow to an internal combustion engine having at least one primary exhaust gas recirculation (EGR) cylinder connected to an EGR passage and a plurality of non-primary EGR cylinders connected to an exhaust passage, comprising:supplying an exhaust flow from the non-primary EGR cylinders through the exhaust passage, wherein the exhaust passage is connected to a low pressure EGR loop that connects the exhaust passage to an intake system;
supplying an EGR flow from the at least one primary EGR cylinder through the EGR passage to the intake system, the charge flow including an EGR fraction corresponding to an amount of recirculated exhaust gas in the charge flow from at least the at least one primary EGR cylinder;
during a transient operating condition of the internal combustion engine,
determining, with a controller, an EGR fraction deviation condition in the charge flow to the internal combustion engine in response to a deviation of the EGR fraction from an expected EGR fraction via adjusting an EGR control valve in the low pressure EGR loop to adjust the amount of recirculated exhaust gas provided to the intake system; and
adjusting, with the controller, the amount of recirculated exhaust gas provided to the intake system to mitigate or reduce the deviation of the EGR fraction from the expected EGR fraction in response to determining the EGR fraction deviation condition.

US Pat. No. 11,028,791

METHOD AND SYSTEM FOR MATCHING AIR FLOW IN AN EXHAUST GAS RECIRCULATION SYSTEM

TRANSPORTATION IP HOLDING...

1. An engine system, comprising:a first cylinder group coupled exclusively to an exhaust gas recirculation passage configured to route exhaust to an intake passage and an exhaust passage of the engine;
a second cylinder group coupled exclusively to the exhaust passage of the engine, wherein the intake passage is configured to route exhaust from the exhaust gas recirculation passage to both the first cylinder group and the second cylinder group;
a first camshaft having cam lobes with a first profile to close exhaust valves of the first cylinder group at a first timing; and
a second camshaft having cam lobes with a second profile to close exhaust valves of the second cylinder group at a second timing, the second timing earlier than the first timing, wherein the exhaust valves of the first cylinder group are closed at the first timing during all operating conditions where exhaust valve events are occurring.

US Pat. No. 11,028,790

PURGE CONTROL VALVE DEVICE

HAMANAKODENSO CO., LTD., ...

1. A purge control valve device comprising:an inflow port into which the evaporative fuel flowing out of a canister flows;
an outlet port through which the evaporative fuel flows out toward an engine;
a housing having an in-housing passage connecting the inflow port and the outflow port;
a first electromagnetic valve provided inside the housing and having a first valve body opening and closing a first internal passage included in the in-housing passage to control a flow rate of the evaporative fuel; and
a second electromagnetic valve provided inside the housing and having a second valve body opening and closing a second internal passage included in the in-housing passage to control a flow rate of the evaporative fuel, wherein
the first internal passage and the second internal passage are arranged in series in the in-housing passage,
the first electromagnetic valve and the second electromagnetic valve are controlled to operate individually, and
the first electromagnetic valve is switched between a seated state in which the first valve body contacts a first valve seat and an unseated state in which the first valve body is separated from the first valve seat,
the purge control valve device further comprising a narrowed passage in which a flow rate of the evaporative fuel is smaller in one of the seated state and the unseated state than in another of the seated state and the unseated state, and
a valve regulator that moves together with the first valve body in response to an electromagnetic force and regulates a displaceable range of the second valve body, wherein
the valve regulator brings the second valve body closer to a second valve seat in the one state than in the other state.

US Pat. No. 11,028,789

ACTUATOR

DENSO CORPORATION, Kariy...

1. An actuator configured to drive a boost pressure control valve of a supercharger, the actuator comprising:an electric motor;
an output shaft that is coupled to the boost pressure control valve through a linkage mechanism; and
a speed reducer that is configured to transmit rotation, which is outputted from the electric motor, to the output shaft after reducing a speed of the rotation outputted from the electric motor, wherein:
the speed reducer has a plurality of gears that include an output gear joined to the output shaft;
the output shaft is made of metal;
the output gear is made of resin;
the output shaft has a surface-processed portion that has a series of projections and recesses and is formed at a portion of an outer peripheral surface of the output shaft;
the output gear includes:
a fixing portion that is joined to the surface-processed portion;
a connecting portion that connects between a toothed portion of the output gear and the fixing portion with the resin while the toothed portion includes a plurality of teeth; and
a magnetic circuit device that is provided to sense a rotational position of the output gear;
a length, which is measured from a center of a boundary surface between the connecting portion and the fixing portion in an axial direction of an axis of the output shaft to one end part of a joint between the surface-processed portion and the fixing portion on the linkage mechanism side along the joint, is indicated by L1;
a length, which is measured along the joint from the center of the boundary surface to an opposite end part of the joint that is opposite to the linkage mechanism in the axial direction of the axis of the output shaft, is indicated by L2; and
a relationship of L1>L2 is satisfied.

US Pat. No. 11,028,788

CONTROL DEVICE FOR INTERNAL-COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control device for an internal-combustion engine, comprising:an air intake controller configured to control a quantity of intake air to be supplied to a catalyst provided in an exhaust passage of the internal-combustion engine by controlling a degree of opening of a throttle valve provided in an intake passage of the internal-combustion engine;
a fuel controller configured to control supply of fuel to the internal-combustion engine, wherein
the fuel controller stops supply of the fuel and the air intake controller performs a first control that supplies intake air to the catalyst by opening the throttle valve,
when a start request of the internal combustion engine becomes ON, the air intake controller stops the first control,
for a predetermined period of time after an end of the first control, the fuel controller stops the supply of the fuel, and the air intake controller performs a second control that decreases the degree of opening of the throttle valve to a degree of opening smaller than a degree of opening during the first control, and
after the predetermined period of time passes, the fuel controller starts a third control that supplies the fuel to the internal-combustion engine.

US Pat. No. 11,028,787

CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control system for an internal combustion engine comprising a combustion chamber of the internal combustion engine in which positive tumble flow is generated; an ignition apparatus which is provided as a center of a ceiling part of the combustion chamber; and a direct injector which is provided adjacent to the ignition apparatus, the control system comprising:a control unit which is configured to control injection timing of the direct injector based on a load of the engine,
wherein when the load of the engine is below a predetermined load, the control unit is configured to control the injection timing to a first crank angle section with a first start crank angle and a first end crank angle which are both within an intake stroke of the engine,
wherein in a first control mode, when the load of the engine is greater than the predetermined load, the control unit is configured to control the injection timing to a second crank angle section with a second start crank angle and a second end crank angle, the second start crank angle being within the intake stroke of the engine and on a retard side of the first crank angle; and the second end crank angle being within a first half of a compression stroke of the engine,
wherein in a second control mode, when the load of the engine is greater than the predetermined load the control unit is configured to control the injection timing to a third crank angle section, a start crank angle of the third crank angle section being the same as the first crank angle, and an end crank angle of the third crank angle section being within the first half of the compression stroke of the engine, and
wherein in the second control mode the control unit is configured to decrease fuel pressure in a fuel tubing providing the direct injector with fuel in a compressed state from a maximum value.

US Pat. No. 11,028,786

PORTABLE GENERATOR INCLUDING CARBON MONOXIDE DETECTOR

1. A generator comprising:an engine;
a control panel comprising:
a control plate having a control surface and a back side positioned opposite from the control surface; and
a compartment coupled to the control plate, the compartment and the control plate defining an interior volume; and
a carbon monoxide (CO) sensor module including a CO sensor, the CO sensor module positioned to extend through the control plate and into the interior volume of the compartment and removably coupled to the back side of the control plate;
wherein the CO sensor module is configured to be removable from the control plate and replaceable with a replacement CO sensor module;
wherein the CO sensor is configured to detect CO concentration near the generator.

US Pat. No. 11,028,785

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

YANMAR POWER TECHNOLOGY C...

1. A control device for an internal combustion engine including a fuel reformation cylinder and an output cylinder to which reformed fuel generated in the fuel reforming cylinder is supplied, the output cylinder being configured to yield an engine power by combusting the reformed fuel, the control device comprising:a reforming operation control unit configured not to execute a fuel reforming operation in the fuel reformation cylinder, when a gas temperature in the fuel reformation cylinder at a time point when a periodically changing gas temperature in the fuel reformation cylinder reaches its highest temperature is estimated to fall short of a reforming operation allowable lower limit gas temperature set based on a lower limit value of a reforming reaction enabling temperature; and
wherein:
the reforming operation allowable lower limit gas temperature is set so as to be higher with an increase in an air fuel mixture equivalence ratio in the fuel reformation cylinder;
the fuel reformation cylinder is structured as a reciprocation type cylinder; and
the gas temperature reaches its highest temperature when a piston in the fuel reformation cylinder reaches a compression top dead point.

US Pat. No. 11,028,784

METHODS AND SYSTEMS FOR HEAVY FUEL OIL IN GAS TURBINES

General Electric Company,...

1. A control system for a gas turbine system, comprising:a controller comprising a processor, wherein the processor is configured to:
receive a plurality of signals from sensors disposed in the gas turbine system, wherein the gas turbine system comprises a compressor section fluidly coupled to a gas turbine section;
derive a vanadium content in a gas turbine engine fuel based on at least one of the plurality of signals;
determine if a control curve should be adjusted based on the vanadium content in the gas turbine engine fuel; and
if it is determined that the control curve should be adjusted, then deriving an adjustment to the control curve based on the vanadium content, and applying the adjustment to the control curve to derive an adjusted control curve, wherein the control curve is plotted against a compressor pressure ratio (CPR) ordinate axis and an exhaust temperature abscissa axis.

US Pat. No. 11,028,783

AUTOMATED TUNING OF GAS TURBINE COMBUSTION SYSTEMS

Gas Turbine Efficiency Sw...

1. A tuning system for tuning the operation of a gas turbine, the system comprising:operational turbine controls for controlling operational control elements of the turbine, the operational control elements producing a change in operational parameter data of the gas turbine;
a tuning controller communicating with the operational turbine controls to adjust one or more operational control element, the tuning controller configured to tune the operation of the turbine in accordance with the following:
receiving real-time or near real-time operational parameter data about the turbine,
adjusting one or more tuning priorities within a range to change stored operational standards, the stored operational standards in the form of tuning alarm levels,
determining whether sensed operational parameter data is within the stored operational standards and producing one or more indicators if said operational data is not within the stored operational standards,
ranking the one or more indicators based on the hierarchy of tuning priorities to determine the dominant tuning concern,
determining whether the one or more indicators has continued for a predetermined period of time; and
tuning the operation of the turbine by causing an adjustment in one of the operational control element, wherein the operational control element being adjusted is selected based on the dominant tuning concern.

US Pat. No. 11,028,782

PRESSURE RELIEF ARRANGEMENT FOR A GAS TURBINE ENGINE

Rolls-Royce plc

1. A gas turbine engine comprisinga pressure relief arrangement pressure relief arrangement including
a hinged door;
a mount; and
a plastically deformable member provided between and coupled to the hinged door and the mount, the deformable member being configured to deform between a non-deformed state when the door is in a closed position and an elongated deformed state when the door is in an open position, wherein the plastically deformable member is coupled to the hinged door via an articulated link.

US Pat. No. 11,028,781

DISENGAGEABLE SPEED-REDUCING UNIT

SAFRAN TRANSMISSION SYSTE...

1. A speed reducer, comprising:an annular ring gear coaxial to a main axis of the speed reducer and having radially inner teeth,
at least one gear which is coupled with the ring gear and which includes radially outer teeth complementary to the teeth of the annular ring gear,
wherein the ring gear includes two annular half-ring gears offset with respect to each other along the main axis of the speed reducer and which are coupled with said at least one gear, and a support plate for supporting both half-ring gears, with respect to which both half-ring gears are rotatably immovable about the main axis of the speed reducer, each half-ring gear including helical inner teeth tilted in a direction opposite to the tilt direction of the teeth of the other half-ring gear,
wherein each half-ring gear is connected to the support plate so as to be able to be uncoupled from said at least one gear when said at least one gear exerts on each half-ring gear an unclutching action the amplitude of which is higher than a determined amplitude value,
wherein each half-ring gear is slidably mounted with respect to the support plate, along a direction parallel to the main axis of the speed reducer, between a coupled position in which said half-ring gear is coupled with said at least one gear and an uncoupled position in which said half-ring gear is uncoupled from said at least one gear, and
wherein the speed reducer includes retaining means, for retaining said half-ring gear in its coupled position, said retaining means, being able to be disengaged to enable said half-ring gear to be moved to the uncoupled position when said at least one gear exerts on each half-ring gear said unclutching action.

US Pat. No. 11,028,780

HYDRAULIC UNIT GEAR SHROUDS

Hamilton Sundstrand Corpo...

1. A gear shroud arrangement comprising:a plate defining an aperture therethrough;
a riser tube having a first end and an opposed second end, wherein the first end of the riser tube is connected to the plate and is aligned with the aperture;
a mounting flange extends from the second end of the riser tube; and
a shroud member extending from the plate in a direction opposite the riser tube, wherein the shroud member includes:
a first shroud segment circumferentially crossing a 12 o'clock position on the plate as viewed looking toward the mounting flange;
a second shroud segment circumferentially between the 12 o'clock position and a 3 o'clock position relative to the 12 o'clock position; and
a third shroud segment circumferentially between the 3 o'clock position and a 6 o'clock position relative to the 12 o'clock position, wherein the second and third shroud segments are convex relative to the riser tube, and wherein a concave web connects between the second and third shroud segments, wherein concave is relative to an axis parallel to the center axis of the riser tube and convex is relative to the axis parallel to the center axis of the riser tube.

US Pat. No. 11,028,779

GAS TURBINE ENGINE BYPASS DRAINAGE SYSTEMS

RAYTHEON TECHNOLOGIES COR...

1. A core housing for a gas turbine engine, the core housing comprising:a housing surface defining an exterior surface of the core housing; a housing aperture arranged on the housing surface, the housing aperture configured to enable fluid communication between an external environment and an interior of the core housing;
a drainage hole arranged upstream relative to the housing aperture, the drainage hole configured to enable draining of a fluid from the interior of the core housing to the external environment; and
a redirection device arranged to receive the fluid from the drainage hole and direct said fluid away from the housing aperture,
wherein the redirection device has a channel body defining a channel extending between a channel inlet and a channel outlet,
wherein the channel body comprises a first section and a second section, wherein the first section includes the channel inlet and the second section includes the channel outlet, and
wherein the first section extends in a first axial direction and the second section extends in a second axial direction, wherein the first axial direction is different from the second axial direction.

US Pat. No. 11,028,778

ENGINE WITH START ASSIST

1. A method of operating an engine system having a first power source, a power output, and a transmission engaged with and between the first power source and the power output, the transmission including an epicyclic gear train, the method comprising:allowing free rotation of all gears of the epicyclic gear train to limit or prevent power transfer from the first power source to the power output, including driving a secondary power output of the engine with the first power source;
rotating the power output using a start assist motor to initiate start-up of the power output;
braking one of the gears of the epicyclic gear train to transfer power from the first power source to the power output; and
rotationally locking the start assist motor and the secondary power output for a normal operation of the engine system.

US Pat. No. 11,028,777

COOLING SYSTEM FOR EMISSION GASES OF AN ELECTRONICALLY CONTROLLED ENGINE

AIM IP (PTY) LIMITED, Mp...

1. A cooling system suitable for cooling emission gasses from a fuel injection engine, wherein the fuel injection engine includes an exhaust manifold, a turbocharger, and a catalytic converter through which the emission gasses sequentially pass before they are released to the atmosphere, wherein the cooling system comprises:an exhaust manifold housing for at least partially encasing the exhaust manifold, the exhaust manifold housing comprising an outer fluid chamber and an inner insulation chamber arranged intermediate the exhaust manifold and the fluid chamber, the exhaust manifold housing being configured to prevent rapid cooling of emission gasses as they pass through the exhaust manifold, while simultaneously shielding the exhaust manifold's external surface from the atmosphere;
a turbocharger housing for at least partially encasing the turbocharger, the turbocharger housing comprising an outer fluid chamber and an inner insulation chamber, wherein
(i) the turbocharger housing includes an internal housing defining the insulation chamber, an external housing, and a housing fluid chamber which defined between the internal and external housings, wherein the turbocharger is receivable within the insulation chamber; and
wherein the turbocharger housing further includes a fluid cooled lid including a lid fluid chamber, the fluid cooled lid being removably locatable atop the internal and external housings such that cooling fluid passes through the lid fluid chamber and through the housing fluid chamber; and wherein
(ii) the turbocharger housing being configured to prevent rapid cooling of emission gasses as they pass through the turbocharger, while simultaneously shielding an external surface of the turbocharger from the atmosphere;
a catalytic converter housing for at least partially encasing the catalytic converter, the catalytic converter housing comprising an outer fluid chamber and an inner insulation chamber arranged intermediate the catalytic converter and the fluid chamber, the catalytic converter housing being configured to prevent rapid cooling of emission gasses as they pass through the catalytic converter, while simultaneously shielding the catalytic converter's external surface from the atmosphere; and
an exhaust cooler adapted for rapidly cooling emission gasses exiting the catalytic converter before they are released to the atmosphere,
the cooling system being configured such that engine emission gasses are maintained at relatively high temperatures until after they pass through the catalytic converter, and thereafter undergoes rapid cooling as they pass through the exhaust cooler.

US Pat. No. 11,028,776

DUAL FUNCTION AIR DIVERTER AND VARIABLE AREA FAN NOZZLE

RAYTHEON TECHNOLOGIES COR...

1. A fan air diverter for a gas turbine engine having at least an inner cowl radially inward from an outer nacelle and an annular air-oil cooler, the fan air diverter comprising:a nozzle flap disposed about the inner cowl and coaxially adjacent to the annular air-oil cooler, the nozzle flap being pivotally coupled to the inner cowl at a point of securement that is axially spaced from the annular air-oil cooler, the nozzle flap being selectively movable relative to the annular air-oil cooler between an open position and a closed position, wherein the annular air-oil cooler includes a plurality of cooling fins that extend radially outward past the point of securement; and
an actuation system assembly operatively coupled to the nozzle flap, the actuation system assembly being configured to actuate the nozzle flap between the open position and the closed position, wherein the actuation system assembly comprises: at least one sync ring operatively coupled to the nozzle flap, the at least one sync ring being rotatable between a first angular position and a second angular position about an axis of the gas turbine engine, wherein rotation of the at least one sync ring to the first angular position moves the nozzle flap to the open position, and rotation of the at least one sync ring to the second angular position moves the nozzle flap to the closed position, wherein the nozzle flap provides at least one of a converging fan airflow through a fan nozzle and the cooling fins, a converging-diverging fan airflow through the fan nozzle and the cooling fins, and a fan airflow that converges toward an outlet-side of the cooling fins.

US Pat. No. 11,028,775

BLEED AIR BOOSTED ENGINE OIL COOLER

The Boeing Company, Chic...

1. An aircraft engine system comprising:a turbofan engine having a core including a compressor section and further having a lubricating oil system;
an oil pump connected to pump oil from the lubricating oil system through a cooling circuit to the turbofan engine, said cooling circuit having a bleed air boosted engine oil cooler assembly with
a liquid/air heat exchanger (LAHEX) connected to an oil inlet conduit and receiving fan air from a fan of the turbofan engine as a cooling working fluid, said LAHEX connected to an oil exit conduit, and
an ejector downstream of the LAHEX receiving bleed air from the compressor section of the turbofan engine, said ejector drawing the fan air through the LAHEX;
an outlet duct from an air side outlet of the LAHEX connected to exhaust the fan air, said ejector having a primary nozzle ejecting the bleed air into the outlet duct;
a bleed valve connected through a bleed conduit to the primary nozzle, said bleed valve having a closed position preventing flow of bleed air to the bleed conduit and an open position allowing flow of bleed air to the bleed conduit,
a core speed sensor detecting speed of the core;
an oil temperature sensor; and
a valve control module receiving input from the core speed senor and oil temperature sensor and, responsive to a deceleration of the core, issuing a control signal to the bleed valve placing the bleed valve in the open position to protect operability margin even if oil temperature is not hotter than a trigger threshold.

US Pat. No. 11,028,774

ACOUSTIC PANEL FOR A TURBOMACHINE AND METHOD FOR THE MANUFACTURING THEREOF

SAFRAN, Paris (FR)

1. An acoustic panel for a turbomachine, the acoustic panel comprising:a first skin and a second skin, said first and second skins being parallel;
a plurality of cavities formed between said first and second skins, said plurality of cavities forming a plurality of Helmholtz resonators; and
a plurality of vibrating masses, wherein at least one vibrating mass of the plurality of vibrating masses is provided within each cavity of said plurality of cavities,
wherein said first skin is perforated by orifices, said orifices opening into said plurality of cavities and forming necks of said plurality of Helmholtz resonators,
wherein said second skin is unperforated and defines a cavity wall in each cavity of said plurality of cavities,
wherein in each cavity of said plurality of cavities, said at least one vibrating mass is connected to said cavity wall by an elastic junction housed in said cavity.

US Pat. No. 11,028,773

COMPRESSED GAS INTEGRATED POWER AND THERMAL MANAGEMENT SYSTEM

Rolls-Royce North America...

1. A power and thermal management system of an aircraft, the power and thermal management system comprising:a tank of compressed gas;
a heat exchanger configured to receive a portion of the compressed gas from the tank at a lower pressure than in the tank;
a first expansion valve upstream of the heat exchanger;
a first turbine configured to be driven by the compressed gas from the tank that passes through the heat exchanger;
a second expansion valve downstream of the heat exchanger and upstream of the first turbine;
a controller configured to adjust a flow of the compressed gas through the first expansion valve and the second expansion valve in order to control a cooling capacity of the heat exchanger;
a first electric generator configured to be mechanically powered by the first turbine;
a second electric generator; and
a second turbine configured to mechanically power the second electric generator, wherein the second turbine is configured to be driven by the compressed gas exhausted from the first turbine,
wherein the power and thermal management system for the aircraft is configured as a primary electric power source for a directed energy weapon external to the power and thermal management system, and
wherein the heat exchanger is configured to cool the directed energy weapon from an expansion of the compressed gas released from the tank.

US Pat. No. 11,028,772

METHOD AND SYSTEM FOR ESTIMATING DAMAGE IN AN INTERNAL COMBUSTION ENGINE

Caterpillar Inc., Peoria...

1. A method for estimating damage of a component of an engine head of an internal combustion engine, the method comprising:receiving a fuel rate signal indicative of a fuel rate of the internal combustion engine;
estimating a temperature value of the component of the engine head of the internal combustion engine based on at least the received fuel rate signal;
estimating an incremental amount of damage of the component of the engine head of the internal combustion engine based on the estimated temperature value of the component of the engine head of the internal combustion engine;
updating a cumulative amount of damage of the component of the engine head of the internal combustion engine based on the estimated incremental amount of damage; and
outputting a notification based on at least the cumulative amount of damage of the component of the engine head of the internal combustion engine.

US Pat. No. 11,028,771

MODULAR INTERNAL COMBUSTION ENGINE WITH ADAPTABLE PISTON STROKE

1. A process for expanding a modular engine, the modular enginehaving a manifold assembly, the process comprising:
removing the manifold assembly from the modular engine, the modular engine comprising at least one engine bank and an existing shaft, each engine bank having a cam crank assembly, each cam crank assembly comprising a cam crank, an intake cam, an exhaust cam, and a securement assembly, and the intake cam and exhaust cam removably attached to the cam crank, the cam crank intermediate the intake cam and the exhaust cam;
loosening an existing cam crank assembly securement assembly from the existing shaft;
removing the existing shaft from the modular engine;
installing a longer shaft;
securing the existing cam crank assembly securement assembly on the longer shaft;
installing supplemental engine bank, having a supplemental cam crank assembly, on the longer shaft;
securing the supplemental engine bank to the longer shaft with the supplemental cam crank assembly; and
replacing the manifold assembly.

US Pat. No. 11,028,770

CONNECTING ROD OF AN INTERNAL COMBUSTION ENGINE FOR CHANGING THE COMPRESSION RATIO

FEV Europe GmbH, Aachen ...

1. An internal combustion engine having a connecting rod with a device for changing a compression ratio (VCR) of the internal combustion engine, the internal combustion engine comprising:a connecting rod head and a connecting rod pin which is mounted by an eccentric relative to the connecting rod head,
wherein:
either the connecting rod head or the connecting rod pin has at least one oil chamber and the eccentric having a protrusion reaching into the oil chamber, or
the eccentric including or delimiting at least one oil chamber and the connecting rod head or the eccentric having a protrusion reaching into the oil chamber, such that an oil pressure in the oil chamber exerts a force on the protrusion to change the eccentric setting of the eccentric and
a lubricant supply chamber is positioned between the connecting rod head and the eccentric, the lubricant supply chamber having an arcuate shape.

US Pat. No. 11,028,769

RESTART STANDBY CONTROL METHOD AND RESTART STANDBY CONTROL DEVICE FOR INTERNAL-COMBUSTION ENGINE

Nissan Motor Co., Ltd., ...

1. A restart standby control method for an internal-combustion engine including a motor generator that is connected with a crankshaft through a belt transmission mechanism and applies a starting torque through a powering operation, the restart standby control method comprising:performing a preliminary powering in which the motor generator applies a preliminary powering torque on the belt transmission mechanism, thereby suppressing a slack in a belt between the crankshaft and the motor generator in preparation for a restart of the internal-combustion engine when an engine revolution speed decreases with cutting of fuel to the internal-combustion engine to stop a vehicle; and
while a belt tension periodically changes between a high-tension period in which the slack does not occur and a low-tension period in which the slack occurs, controlling the preliminary powering to cause the preliminary powering torque in the low-tension period to be higher than the preliminary powering torque in the high-tension period,
wherein the preliminary powering is performed only in the low-tension period, and no preliminary powering torque is applied in the high-tension period, and
wherein the preliminary powering torque in the low-tension period is set to be higher to cause a sum of an input energy to be equal to that is in a case where a constant preliminary powering torque is applied continuously in both the low-tension period and the high-tension period.

US Pat. No. 11,028,768

ROTARY INTERNAL COMBUSTION ENGINE WITH REMOVABLE SUBCHAMBER INSERT

1. A rotary engine comprising:an outer body having an internal cavity defined by two axially spaced apart end walls and a peripheral wall extending between the end walls, the peripheral wall having an insert opening defined therethrough in communication with the internal cavity, and a plurality of coolant passages defined through the peripheral wall in proximity of the insert opening, the coolant passages forming part of a cooling circuitry for circulating a liquid coolant therethrough;
a rotor body rotatable within the internal cavity in sealing engagement with the peripheral wall and defining at least one chamber of variable volume in the internal cavity around the rotor body; and
an insert removably received in the insert opening of the peripheral wall, the insert having a subchamber defined therein communicating with the internal cavity, a volume of the subchamber being at least 0.5% of a displacement volume defined as a difference between maximum and minimum volumes of the at least one chamber of variable volume, or the volume of the subchamber being from 5% to 25% of a combustion volume defined as a sum of a minimum volume of the at least one chamber of variable volume and the volume of the subchamber;
wherein a minimum width of the insert opening is defined along a direction of an axis of rotation of the rotor body, the minimum width of the insert opening being at least 0.75 inches.

US Pat. No. 11,028,767

VARIABLE GEOMETRY TURBOCHARGER

1. A variable geometry turbocharger, comprising:a turbine rotor;
a turbine housing which accommodates the turbine rotor and which forms a scroll flow passage on a radially outer side of the turbine rotor;
a bearing housing accommodating a bearing which rotatably supports the turbine rotor, the bearing housing being coupled to the turbine housing; and
a variable nozzle mechanism for adjusting a flow of exhaust gas to the turbine rotor from the scroll flow passage,
wherein the variable nozzle mechanism includes:
a nozzle vane disposed in an exhaust gas flow passage for guiding the exhaust gas from the scroll flow passage to the turbine rotor;
a nozzle mount having an annular shape and supporting the nozzle vane rotatably, the nozzle mount forming a flow passage wall on a bearing-housing side of the exhaust gas flow passage; and
a nozzle plate having an annular shape and being disposed so as to face the nozzle mount, the nozzle plate forming a flow passage wall, of the exhaust gas flow passage,
a plurality of bolts disposed at intervals in a circumferential direction of the turbine rotor and configured to fasten the turbine housing and the bearing housing in the axial direction,
wherein the bearing housing includes a bearing-housing side support portion configured to support a radially outer portion of the nozzle mount from a side opposite to the scroll flow passage in an axial direction of the turbine rotor,
wherein the bearing-housing side support portion includes at least one bearing-housing side recess portion formed so as to be recessed toward a side opposite to the nozzle mount in the axial direction,
wherein the at least one bearing-housing side recess portion includes a plurality of bearing-housing side recess portions disposed at intervals in a circumferential direction of the turbine rotor, and
wherein the bearing-housing side recess portion is formed in an angular range which does not overlap with a center position of a bolt adjacent to the bearing-housing side recess portion, of the plurality of bolts, in the circumferential direction.

US Pat. No. 11,028,766

METHOD OF OPERATING A MOTOR VEHICLE AND MOTOR VEHICLE

Volkswagen Aktiengesellsc...

5. A motor vehicle comprising:an internal combustion engine system including:
an engine, which is connected by a rotary drive via a transmission with wheels of the motor vehicle;
a fresh gas line;
a compressor integrated in the fresh gas line;
a trim controller associated with the compressor,
wherein via the trim controller, an edge-side portion of an inlet cross section of a compressor impeller of the compressor is covered to a varying extent; and
wherein in a release position of the trim controller, the edge-side portion of the inlet cross section is covered to a lesser extent than when the trim controller in a covering position; and
a control device configured for an automated execution of:
operating the engine that is connected by the rotary drive via the transmission with the wheels of the motor vehicle;
compressing fresh gas via the compressor integrated in the fresh gas line; and
adjusting the trim controller from the release position to the covering position when the engine transitions from a first operating state in which the transmission is in a first gear ratio shift position to a second operating state in which the transmission is in a second gear ratio shift position.

US Pat. No. 11,028,765

DUAL VOLUTE TURBOCHARGER AND SYSTEM INCLUDING THE SAME

BorgWarner Inc., Auburn ...

1. A system comprising:a dual volute turbocharger for receiving exhaust gas from an internal combustion engine and for delivering compressed air to the internal combustion engine, said dual volute turbocharger comprising,
a turbine housing comprising,
an interior surface defining,
a turbine housing interior adapted to receive a turbine wheel,
a first volute adapted for fluid communication with the internal combustion engine and said turbine housing interior for delivering exhaust gas from the internal combustion engine to said turbine housing interior,
a second volute adapted for fluid communication with the internal combustion engine and said turbine housing interior for delivering exhaust gas from the internal combustion engine to said turbine housing interior, and
a turbine housing outlet in fluid communication with said turbine housing interior for discharging exhaust gas from said turbine housing interior,
a wall separating said first volute from said second volute, and
a valve seat, and
at least one valve member engageable with at least one of said wall and said valve seat of said turbine housing for controlling exhaust gas flow from said first and second volutes to said turbine housing interior, with said at least one valve member and said wall of said turbine housing collectively defining a first cross-sectional flow area and said at least one valve member and said valve seat of said turbine housing collectively defining a second cross-sectional flow area; and
a controller adapted to control the at least one valve member to have an area ratio constant (CAR) operating range according to a brake-specific fuel consumption (BSFC) of the internal combustion engine, with the CAR defined by the equation:
CAR=first cross-sectional flow area/(?power*second cross-sectional flow area), where ?power is the power density of the internal combustion engine in kW/L.

US Pat. No. 11,028,764

VEHICLE THERMAL MANAGEMENT SYSTEM APPLYING AN INTEGRATED THERMAL MANAGEMENT VALVE AND A COOLING CIRCUIT CONTROL METHOD THEREOF

HYUNDAI MOTOR COMPANY, S...

1. A vehicle thermal management system, comprising:an Integrated Thermal Management Valve (ITM) for receiving engine coolant through an engine coolant inlet connected to an engine coolant outlet of an engine, and distributing the engine coolant flowing out toward a radiator through a coolant outlet flow path connected to a heat exchange system comprising at least one among a heater core, an Exhaust Gas Recirculation (EGR) cooler, an oil warmer, and an Auto Transmission Fluid (ATF) warmer, and the radiator;
a water pump positioned at a front end of the engine coolant inlet of the engine; and
a coolant branch flow path branched at the front end of the engine coolant inlet to be connected to the coolant outlet flow path,
wherein an Exhaust Heat Recovery System (EHRS) is installed at the coolant branch flow path, and
wherein the coolant outlet flow path comprises a radiator outlet flow path connected to the radiator, a first distribution flow path connected to the heater core or the EGR cooler, and a second distribution flow path connected to the oil warmer or the ATF warmer.

US Pat. No. 11,028,763

ENGINE COOLING DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. An engine cooling device comprising:a circulation circuit for coolant flowing through a water jacket formed inside an engine;
a mechanical water pump that operates in response to rotation of the engine and that circulates the coolant through the circulation circuit;
a flow rate control valve that serves to adjust a flow rate of the coolant flowing through the circulation circuit, that has a valve body driven by an electric actuator operating by being supplied with electric power from an in-vehicle electric power supply, and that allows a flow channel area for the coolant to change depending on an operating position of the valve body; and
a control unit that sets an operating position within a prescribed control range as a target operating position in accordance with an operating situation of the engine, and that performs drive control of the actuator to change the operating position of the valve body to the set target operating position, wherein
the control unit performs protection control for setting an operating position where a withstanding pressure limit rotational speed is equal to or higher than a current engine rotational speed, as the target operating position, and performs retreat control for reducing the control range to a retreat operation range set in advance, as a range of the operating position including a maximum withstanding pressure operating position, when a supply voltage of the in-vehicle electric power supply has dropped, in a case where the withstanding pressure limit rotational speed is defined as a maximum value of the engine rotational speed at which a hydraulic pressure in any region of the circulation circuit is lower than an upper limit of the hydraulic pressure permissible in the region, and where the maximum withstanding pressure operating position is defined as an operating position where the withstanding pressure limit rotational speed is highest among operating positions within the control range.

US Pat. No. 11,028,762

ELASTIC SUPPORT FOR AN EXHAUST SYSTEM

HYUNDAI MOTOR COMPANY, S...

1. An elastic support for an exhaust system, the elastic support comprising a support body, which is made of an elastic material, and which includes a first fitting opening into which a first bracket is fitted and a second fitting opening into which a second bracket is fitted,wherein an axis of the first fitting opening is orthogonal to an axis of the second fitting opening,
wherein the support body includes a first cavity and a second cavity positioned between the first fitting opening and the second fitting opening,
wherein an axis of the first cavity is orthogonal to an axis of the second cavity,
wherein a first elastic piece is positioned between the first cavity and the first fitting opening, and
wherein the first elastic piece includes a pair of first sidewalls and a first crosspiece extending between the pair of first sidewalls.

US Pat. No. 11,028,761

SERVICEABLE COOLING WATER STRAINERS FOR STRAINING COOLING WATER IN MARINE PROPULSION DEVICES

Brunswick Corporation, M...

1. A marine propulsion device comprising:an engine;
an elongated exhaust manifold for conveying exhaust gas from the engine;
an elongated cooling water jacket on the exhaust manifold, wherein an elongated cooling water passage for conveying cooling water alongside the exhaust manifold is entirely defined radially between the cooling water jacket and the exhaust manifold;
a cooling water sprayer that sprays cooling water into the exhaust manifold; and
a manually serviceable cooling water strainer configured to strain cooling water supplied from the cooling water passage to the cooling water sprayer;
wherein the cooling water strainer comprises a plug having a plurality of holes that separates solids from the cooling water as the cooling water flows through the cooling water strainer prior to flowing through the cooling water sprayer; and
wherein the plug comprises an elongated body having a first end and an opposite, second end, wherein the plurality of holes is located at the first end, and wherein the elongated body of the plug transversely extends through the cooling jacket such that the plurality of holes faces the cooling water passage and thus receives cooling water from the cooling water passage.

US Pat. No. 11,028,760

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control device for an internal combustion engine,the internal combustion engine comprising:
an engine body; and
an exhaust after-treatment system installed in an exhaust passage of the engine body, wherein
the control device comprises:
a first exhaust temperature calculation part configured to calculate a temperature of exhaust flowing into the exhaust after-treatment system as a first exhaust temperature;
a second exhaust temperature calculation part configured to calculate a temperature of exhaust flowing out from the exhaust after-treatment system as a second exhaust temperature;
a rate of change over time calculation part configured to calculate a rate of change over time of the first exhaust temperature and a rate of change over time of the second exhaust temperature;
a judgment part configured to judge if the exhaust after-treatment system is in a removed state removed from the exhaust passage based on a difference between the rate of change over time of the first exhaust temperature and the rate of change over time of the second exhaust temperature; and
an intermittent operation run part configured to make the internal combustion engine operate intermittently, wherein
the judgment part is further configured to:
judge if a state is the removed state based on the difference of the rate of change over time of the first exhaust temperature and the rate of change over time of the second exhaust temperature when a predetermined condition stands; and
change the content of the predetermined condition between when intermittent operation of the internal combustion engine is allowed and when not allowed.

US Pat. No. 11,028,759

SYSTEM AND METHOD FOR AXIAL ZONING OF HEATING POWER

Watlow Electric Manufactu...

1. A heater system for an exhaust system of an internal combustion engine, the heater system comprising:a heater disposed in an exhaust conduit of the exhaust system, the heater including a plurality of heating elements disposed along an axial direction of the exhaust conduit; and
a heater control module operable to actively control power being supplied to at least two heating elements among the plurality of heating elements differently with respect to each other according to at least one operating condition specific to the at least two heating elements among the plurality of heating elements,
wherein the at least two heating elements includes a first upstream heating element and a first downstream heating element and the heater control module controls the first upstream heating element to be at a higher power level than the first downstream heating element.

US Pat. No. 11,028,758

EXHAUST AFTER-TREATMENT SYSTEM WITH ADJUSTABLE FLOW PATH, AND METHOD FOR OPERATING SUCH AN EXHAUST AFTER-TREATMENT SYSTEM

Volvo Truck Corporation, ...

1. An exhaust after-treatment system, comprising:a first set of exhaust after-treatment components;
a second set of exhaust after-treatment components, the first set of exhaust after-treatment components comprising different types of exhaust after-treatment components than the second set of exhaust after-treatment components;
an inlet to the exhaust after-treatment system;
an outlet from the exhaust after-treatment system; and
a valve and conduit arrangement configurable in a plurality of modes such that
in a first mode, exhaust gas entering the inlet flows through the second set of exhaust after-treatment components, then through the first set of exhaust after-treatment components, and then through the outlet,
in a second mode, exhaust gas entering the inlet flows through the second set of exhaust after-treatment components without flowing through the first set of exhaust after-treatment components, and then through the outlet, and
in a third mode wherein exhaust gas entering the inlet flows through the first set of exhaust after-treatment components, then through the second set of exhaust after-treatment components, and then through the outlet;
at least one sensor for detecting at least one operating condition; and
a controller configured to receive a signal from the at least one sensor corresponding to the at least one operating condition, the controller being configured to automatically configure the valve and conduit arrangement in the first mode when the at least one operating condition is in a first condition including that a temperature measured at the inlet is below a predetermined temperature, and to configure the valve and conduit arrangement in the second mode when the at least one operating condition is in a second condition including that the temperature measured at the inlet is above the predetermined temperature.

US Pat. No. 11,028,757

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. An exhaust purification system of an internal combustion engine, comprising:an exhaust purification catalyst supporting a precious metal and being able to store oxygen; and
a control device including executable instructions stored in a non-transitory media for:
determining an operating condition for the internal combustion engine via at least one sensor, and
controlling an amount of fuel fed to a combustion chamber; wherein the executable instructions are provided such that when a predetermined condition for performing a fuel cut operation is detected via the least one sensor:
the control device initiates a fuel feed control during which fuel is temporarily fed to the combustion chamber so that a rich air-fuel ratio of the exhaust gas flowing into the exhaust purification catalyst is achieved, the rich air-fuel ratio being richer than the stoichiometric air-fuel ratio, and then
the control device initiates a fuel cut control, the fuel cut control stopping the feed of the fuel to the combustion chamber in a state where the internal combustion engine is operating,the executable instructions including a proviso that the control device perform the fuel cut control without performing the fuel feed control if an assessed value of an amount of adsorption of hydrocarbons at the exhaust purification catalyst, during a period when the predetermined condition for performing the fuel cut operation is being detected, is determined to be equal to or greater than a predetermined reference adsorption amount.

US Pat. No. 11,028,756

THERMAL SYSTEM WITH RANKINE CIRCUIT

11. A thermal system for a motor vehicle having a Rankine cycle heat recovery device including:a Rankine circuit, in which a Rankine fluid circulates, the Rankine circuit including a first heat exchanger in which the Rankine fluid recovers heat from a heat source, an expander, a condenser, and a first pump;
a cooling device including a cooling circuit in which a refrigerant circulates, the cooling circuit including a second heat exchanger in which the refrigerant gives heat to a cold source, a second pump, and a third heat exchanger with a device to be cooled; and
a pressure regulating device that regulates the pressure in the Rankine circuit, the pressure regulating device including an enclosure delimiting a space and housing a movable part separating the space into first and second chambers, the first chamber communicating with the Rankine circuit and the second chamber communicating with the cooling circuit;
wherein the pressure regulating device is separate from the condenser, the first chamber of the pressure regulating device communicating with the Rankine circuit between the condenser and the first pump;
wherein the second chamber is connected to the cooling circuit via a valve; and
wherein the valve is a three-way valve arranged in parallel with the second pump, including a first channel connected to the second chamber, a second channel connected upstream from the second pump and a third channel connected downstream from the second pump.

US Pat. No. 11,028,755

ROTATIONAL EXHAUST FLOW CONTROL FOR DIESEL EXHAUST FLUID INJECTION

Caterpillar Inc., Peoria...

1. A selective catalytic reduction (SCR) system, comprising:a mixing tube with a mixing tube inlet;
a diesel exhaust fluid (DEF) injector proximate to the mixing tube inlet; and
a flow control device proximate to the mixing tube inlet,
wherein the flow control device is positioned within the mixing tube or affixed to the mixing tube inlet,
wherein the flow control device includes a plurality of vanes arranged around a center of the flow control device, and
wherein a depth of a vane, of the plurality of vanes, is configured to provide a radial-to-axial flow ratio in a target range of approximately 1.0 to approximately 2.0.

US Pat. No. 11,028,754

REAL-TIME CONTROL OF REDUCTANT DROPLET SPRAY MOMENTUM AND IN-EXHAUST SPRAY DISTRIBUTION

Cummins Emission Solution...

1. A system for controlling reductant spray momentum for a target spray distribution, the system comprising:an exhaust gas system having an exhaust gas conduit with exhaust gas flowing therethrough;
a reductant injection system for injecting reductant into the exhaust gas flowing through the exhaust gas system based on one or more injection parameters;
a reductant supply system for supplying reductant to the reductant injection system based on one or more supply parameters; and
a controller configured to:
access a current reductant condition parameter;
determine one or more control parameters based on a control model and as a function of the current reductant condition parameter; and
modify a value of the one or more injection parameters or the one or more supply parameters based on the one or more control parameters to control a reductant spray momentum, a reductant droplet momentum, or a reductant momentum vector from the reductant injection system so as to provide a target spray droplet distribution or a target spray distribution.

US Pat. No. 11,028,753

SYSTEM AND METHOD FOR DETERMINING ENGINE OUT NOX BASED ON IN-CYLINDER CONTENTS

Cummins, Inc., Columbus,...

1. An apparatus, comprising:an engine circuit structured to interpret engine in-cylinder data regarding an operating condition within a cylinder of an engine, wherein the engine in-cylinder data includes an engine torque and an engine speed;
an in-cylinder content circuit structured to interpret at least one additional in-cylinder data point regarding the operating condition within the cylinder of the engine, the at least one additional in-cylinder data point including an in-cylinder trapped air mass amount, the in-cylinder trapped air mass amount determined based on a residual mass and a charge air mass; and
an engine out NOx circuit structured to determine an engine out NOx amount responsive to the engine in-cylinder data and the at least one additional in-cylinder data point, wherein the engine out NOx circuit is structured to determine an increasing engine out NOx amount as the in-cylinder trapped air mass amount increases and/or as a fluid pressure increases in a rail fluidly coupled to a fuel injector for the engine.

US Pat. No. 11,028,752

REDUCTANT INSERTION ASSEMBLY COMPRISING A BLADDER

Cummins Emission Solution...

20. A method of delivering a reductant to an aftertreatment system from a reductant insertion assembly, the reductant assembly comprising a reductant bladder, the method comprising:determining, at a controller, by a pressure sensor positioned downstream of a bladder outlet of the reductant bladder, a pressure of a reductant downstream of the reductant bladder in a reductant delivery line fluidly coupled to the bladder outlet of the reductant bladder;
determining, at the controller, if the pressure is less than a predetermined low pressure threshold; and
in response to the pressure being less than the predetermined low pressure threshold, causing, by the controller, exertion of a compressive force on the reductant bladder so as to increase a pressure of the reductant in the reductant delivery line.

US Pat. No. 11,028,751

METHOD OF CONTROLLING OPERATION OF AN EXHAUST GAS TREATMENT APPARATUS

Caterpillar Inc., Peoria...

12. An engine comprising:a combustion unit having an exhaust conduit and one or more combustion cylinders each having a piston, a fuel injector, an intake valve and an exhaust valve leading to the exhaust conduit;
an exhaust gas treatment apparatus configured to receive fluid from the exhaust conduit and comprising an upstream module and a downstream module;
a controller configured to receive a temperature data value indicative of a temperature of gas within the upstream module;
wherein the controlled is configured to:
initiate injection of fuel from the fuel injector into each of the one or more combustion cylinders in a main injection event to initiate a primary combustion event that drives the piston; and
compare the temperature data value relative to a first temperature threshold value and a second temperature threshold value; wherein:
in an event that the controller determines that the temperature data value is between the first threshold temperature value and the second threshold temperature value, to initiate injection of fuel from the fuel injector into one of the one or more combustion cylinders in a subsidiary injection event after the main injection event during a period in which the fuel injected in the subsidiary injection event passes into the upstream module without combusting in the combustion unit; and
in an event that the controller determines that the temperature data value is below the first threshold temperature value, to initiate injection of fuel from the fuel injector into one of the one or more combustion cylinders in an interim injection event during a period after the main injection event such that fuel injected in the interim injection event results in a secondary combustion event in the combustion unit.

US Pat. No. 11,028,750

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control device for an internal combustion engine,the internal combustion engine comprising:
an engine body;
an HC adsorption and removal catalyst provided in an exhaust passage of the engine body, including an HC adsorption layer adsorbing HC in the exhaust and a catalyst layer removing the HC, and having a desorption temperature of the HC from the HC adsorption layer lower than an HC removal temperature of a temperature where a rate of removal of HC at the catalyst layer is a predetermined rate or more when an air-fuel ratio of the exhaust is in a region near the stoichiometric air-fuel ratio; and
an air feed device for feeding air to the HC adsorption and removal catalyst, wherein
the control device comprises an air feed control part configured to control the air feed device to feed air to the HC adsorption and removal catalyst when a predetermined condition stands,
the predetermined condition being the temperature of the HC adsorption and removal catalyst being the desorption temperature or more and less than the HC removal temperature.

US Pat. No. 11,028,748

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. A control device for an internal combustion engine, wherein the internal combustion engine is installed in a vehicle and includes an exhaust gas purifier that purifies exhaust gas discharged from a plurality of cylinders and a plurality of fuel injection valves that are respectively provided for the cylinders, the control device being configured to execute:a dither control process for operating the fuel injection valves to set at least one of the cylinders as a rich combustion cylinder and to set at least another one of the cylinders that differs from the at least one of the cylinders as a lean combustion cylinder, wherein the rich combustion cylinder has an air-fuel ratio that is richer than a. stoichiometric air-fuel ratio, the lean combustion cylinder has an air-fuel ratio that is leaner than the stoichiometric air-fuel ratio, the dither control process is executed in a first mode when the vehicle is driven in a normal manner by a user, and the dither control process is executed in a second mode on condition that a command signal for performing a temperature raising process on the exhaust gas purifier is input from a device outside the vehicle at a repair shop; and
a process for setting an absolute value in the second mode to be greater than an absolute value set in the first mode, wherein the absolute value is an absolute value of a difference between the air-fuel ratio of the lean combustion cylinder and the air-fuel ratio of the rich combustion cylinder resulting from the dither control process.

US Pat. No. 11,028,747

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A controller configured to control an internal combustion engine, the internal combustion engine includes: (i) a fuel injection valve; (ii) a cylinder into which an air-fuel mixture containing fuel injected by the fuel injection valve is introduced; (iii) an ignition device that ignites the air-fuel mixture introduced into the cylinder with a spark; (iv) an exhaust passage through which gas discharged out of the cylinder flows; and (v) a three-way catalyst device arranged in the exhaust passage, the controller comprising:a fuel introduction processor configured to execute:
a fuel introduction process of introducing the air-fuel mixture, which contains the fuel injected by the fuel injection valve, into the exhaust passage without burning the air-fuel mixture in the cylinder;
a determination process of determining, during the execution of the fuel introduction process, whether afterfire has occurred, in which the air-fuel mixture burns before flowing into the three-way catalyst device in the exhaust passage; and
a stopping process of stopping, during the execution of the fuel introduction process, the fuel introduction process based on the determining in the determination process that the afterfire has occurred.

US Pat. No. 11,028,746

WORK VEHICLE INCLUDING DIESEL PARTICULATE FILTER (DPF) REGENERATION CONTROL

YANMAR POWER TECHNOLOGY C...

1. A work vehicle, comprising:a diesel particulate filter (DPF) system configured to collect particulate matter contained in exhaust gas from an engine;
a selective catalytic reduction (SCR) system including a reductant stored in a reductant storage tank, the SCR system configured to add the reductant to the exhaust gas so as to reduce nitrogen oxide contained in the exhaust gas; and
a control unit configured to:
execute a DPF renewal control whereby particulate matter collected and deposited in the DPF system is burned and removed using heat from the exhaust gas, and
execute an SCR reference operation restricting control configured to restrict a fuel injection amount of an injector, restrict a rotational speed of the engine, restrict a maximum torque rotational speed of the engine, or reduce an output of the engine when an amount of the reductant stored in the reductant storage tank is a preset amount or less or when an abnormality occurs in the SCR system,
wherein the control unit is further configured to prioritize the DPF renewal control over the SCR reference operation restricting control.

US Pat. No. 11,028,745

METHOD FOR REGENERATING A PARTICLE FILTER

VOLKSWAGEN AKTIENGESELLSC...

1. A method for regenerating a particle filter, which is located in an exhaust system of an internal combustion engine, comprising at least the following steps:a) performing a first regeneration of the particle filter until a lower limit value of a particle loading of the particle filter is reached;
b) operating the combustion engine at a first operating point that is freely selectable by a user;
c) performing a verification measurement, the combustion engine being operated at a second operating point, so that an exhaust gas having at least
an oxygen excess or
an increased first temperatureis provided upstream of the particle filter;wherein step c) is initiated at a time interval after the end of the first regeneration in accordance with step a); and
when an increase in a second temperature of the exhaust gas is ascertained during or after step c) downstream of the particle filter, the following step being performed:
d) initiating a second regeneration of the particle filter.

US Pat. No. 11,028,744

EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. An exhaust gas purification apparatus for an internal combustion engine comprising:a first heat exchanger arranged in an exhaust passage of the internal combustion engine, and configured to carry out heat exchange between outside air and exhaust gas of the internal combustion engine;
a second heat exchanger arranged in the exhaust passage, and configured to carry out heat exchange between a circulating heating medium and the exhaust gas;
a carbon dioxide separator arranged in the exhaust passage at the downstream side of the first heat exchanger and the second heat exchanger, and configured to separate carbon dioxide from the exhaust gas;
a circulator configured to circulate the heating medium in the second heat exchanger; and
a controller configured to control the circulator,
wherein the second heat exchanger is arranged in the exhaust passage at the downstream side of the first heat exchanger, and
the controller does not circulate the heating medium through the second heat exchanger, in cases where a first exhaust gas temperature, which is the temperature of the exhaust gas after the exhaust gas and the outside air carry out heat exchange in the first heat exchanger, is equal to or less than a first threshold value.

US Pat. No. 11,028,743

ROAD VEHICLE WITH AN INTERNAL COMBUSTION ENGINE AND PROVIDED WITH AN EXHAUST NOISE TRANSMISSION DEVICE

FERRARI S.p.A., Modena (...

1. A road vehicle (1) comprising:a passenger compartment (5);
an internal combustion engine (4) provided with at least one exhaust duct (13), which originates from an exhaust manifold (8) and has at least one exhaust gas treatment device (17); and
an exhaust noise transmission device (21), which is provided with at least one transmission duct (22), which originates from the exhaust duct (13), and with a symposer device (23), which is arranged inside the transmission duct (22), is pneumatically insulating and is acoustically permeable;
wherein an inlet (24) of the transmission duct (22) is arranged between the exhaust manifold (8) and the exhaust gas treatment device (18), hence upstream of the exhaust gas treatment device (18);
the road vehicle (1) being characterized in that the transmission device comprises: a temperature sensor (28) or a flow sensor (29) arranged inside the transmission duct (22); and
a control unit (30) which, through the temperature sensor (28) or the flow sensor (29) diagnoses the presence of exhaust gas leaks in the transmission duct (22).

US Pat. No. 11,028,742

CRANKCASE VENTILATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

VOLVO TRUCK CORPORATION, ...

1. A crankcase ventilation system for an internal combustion engine comprising a crankcase, the crankcase ventilation system comprising:a first filter arrangement arranged for cleaning a crankcase gas generated during operation of the internal combustion engine, the first filter arrangement comprising a filter element of an oleophobic type for cleaning the crankcase gas,
a temperature altering device for cooling a temperature of the crankcase gas towards a desired temperature, at which the first filter arrangement is adapted for an efficient cleaning,wherein:the temperature altering device comprises a control unit and a temperature sensor,
the temperature sensor is electrically connected to the control unit and configured to measure a temperature of the crankcase gas, and
the control unit is configured for comparing the measured temperature with a predetermined threshold and to generate a control signal if the measured temperature is above the predetermined threshold.

US Pat. No. 11,028,741

OIL PICK-UP ASSEMBLY

APQ Development, LLC, Ja...

1. An oil pick-up assembly for a motor vehicle, the oil pick-up assembly comprising:an upper housing comprising:
an upper shell extending from a first end of the assembly to a second end of the assembly, the upper shell defining a mounting plane of the assembly;
an outlet tube extending from the second end, the outlet tube having a central axis that is parallel to the mounting plane; and
an upper peripheral flange surrounding the upper shell; and
a lower housing comprising:
a lower shell extending from the first end of the assembly to the second end of the assembly, the lower shell including a first portion adjacent to the first end and substantially parallel to the mounting plane and a second portion adjacent to the second end and formed at a first oblique angle relative to the mounting plane; and
a lower peripheral flange surrounding the lower shell, the lower peripheral flange attached to the upper peripheral flange of the upper housing to form a chamber.

US Pat. No. 11,028,740

LUBRICATING OIL SUPPLY STRUCTURE

TOYOTA JIDOSHA KABUSHIKI ...

1. A lubricating oil supply structure, comprising:a shaft;
a bearing having a bearing surface on which an oil groove that extends along a circumferential direction of the bearing, is formed, the bearing supports the shaft and has an oil supply port that is formed on the oil grove, through which a lubricating oil is supplied to between the shaft and the bearing, and an oil introduction port that is formed on the bearing surface and on an area other than an area where the oil groove is formed, through which the lubricating oil between the shaft and the bearing is introduced;
a first oil passage, which is connected to the oil supply port and distributes the lubricating oil from an oil pump toward the oil supply port;
a second oil passage, which is connected to the oil introduction port and supplies the lubricating oil introduced through the oil introduction port to a supply destination other than the bearing;
a connection oil passage, which is formed by a gap between the bearing and the shaft and connects between the first oil passage and the second oil passage; and
a throttle portion, formed on a part of the connection oil passage, configured to suppress a flow of the lubricating oil from the oil supply port toward the oil introduction port, the throttle portion being formed by a gap which is narrower than a gap between a part where the oil groove where the throttle portion is not formed and the shaft, wherein the connection oil passage passes through the oil groove and the throttle portion.

US Pat. No. 11,028,739

DYNAMIC LOCKING AND RELEASING CAM LOBE

YELIR, INC, Fort Collins...

1. A cam driven reciprocating internal combustion engine comprising:a rotating cam shaft comprising a groove in mechanical communication with a plurality of cam lobes, wherein each cam lobe of said plurality of cam lobes is mechanically coupled to and controls operation of an intake valve and/or an exhaust valve associated with a respective cylinder of said internal combustion engine, and wherein each cam lobe comprises a keyway slot and an axially facing tapered portion extending along an interior periphery leading to said keyway slot;
at least one coupler that selectively couples a rotational force of said rotating cam shaft to at least one cam lobe of said plurality of cam lobes, said at least one coupler comprising a key that sits in said groove and is configured to selectively engage said keyway slot.

US Pat. No. 11,028,738

PISTON FOR A HYDRAULIC UNIT OF A CAM PHASER AND CAM PHASER

ECO Holding 1 GmbH, Mark...

1. A piston for a hydraulic unit of a cam phaser,wherein the piston is configured cylindrical and wherein the piston is configured to move axially within a cam phaser opening of the cam phaser,
wherein a plurality of operating connections of the cam phaser are opened and closed according to a positioning of the piston,
wherein the piston includes an outer contour that is configured for opening or closing the plurality of operating connections wherein the outer contour is configured complementary to an inner contour of the cam phaser opening in order to provide opening or closing of the plurality of operating connections,
wherein the cam phaser opening is formed by an inner surface of a rotor of the cam phaser and the rotor including rotor blades is integrally formed from one piece of material, and
wherein the piston slides directly on the inner surface of the rotor.

US Pat. No. 11,028,737

MECHANICAL RETENTION MEMBER FOR VALVETRAIN COMPONENTS

Cummins Inc., Columbus, ...

1. A retention member configured to be supported within a cylinder head of an engine, comprising:a body portion having an opening configured to receive a fuel injector of the engine; and
a plurality of arms extending from the body portion and configured to be positioned over a portion of a cross-head of the engine, the plurality of arms being spaced apart from the cross-head during routine operation of the engine.

US Pat. No. 11,028,736

VALVE TRAIN ASSEMBLY

EATON INTELLIGENT POWER L...

1. A valve train assembly comprising:a first group of one or more dual body rocker arms and a second group of one or more dual body rocker arms, the first group being configured to control one or more valves of a first cylinder and the second group being configured to control one or more valves of a second cylinder, each of the dual body rocker arms comprising a first body, a second body, and a latching arrangement configured to latch and unlatch the first body and the second body; and
an actuator arrangement external to the dual body rocker arms of the first and second groups configured to control the latching arrangement of each of the dual body rocker arms, the actuator arrangement comprising a shaft comprising a first set of one or more cams configured to control the latching arrangements of the first group of one or more dual body rocker arms and a second set of one or more cams configured to control the latching arrangements of the second group of one or more dual body rocker arms, shapes of the cams of the first set of one or more cams being different from shapes of the cams of the second set of one or more cams so as to control the latching arrangements on a per cylinder basis.

US Pat. No. 11,028,735

THERMAL POWER CYCLE

1. A method for converting heat into mechanical power comprising:(a) compressing a motive fluid to form a subcooled liquid, the motive fluid being a non-aqueous wet fluid;
(b) evaporating a first portion of the subcooled liquid with the heat at subcritical conditions to form a vapor;
(c) expanding the vapor to produce mechanical power and a two-phase vapor and liquid mixture, the vapor being expanded approximately isentropically;
(d) combining a second portion of the subcooled liquid with the two-phase vapor and liquid mixture to form a combined mixture;
(e) condensing the combined mixture to form the motive fluid in step (a);
repeating steps (a)-(e); and
producing the mechanical power; wherein the motive fluid is an azeotrope.

US Pat. No. 11,028,734

RANKINE CYCLE PLANT AND PROCESS FOR THE REGASIFICATION OF LIQUEFIED GAS

EXERGY INTERNATIONAL S.R....

1. A Rankine cycle plant for the regasification of liquefied gas, comprising:a Rankine closed loop system comprising at least:
one evaporator;
an expansion turbine provided with an inflow opening, an outflow opening and at least one auxiliary outlet;
a generator operatively connected to the expansion turbine;
a condenser;
a pump;
conduits configured to connect the evaporator, the expansion turbine, the condenser and the pump according to a closed cycle in which a working fluid circulates;
a source of liquefied gas at a cryogenic temperature, wherein the source of liquefied gas is operatively coupled to the condenser to receive heat from the working fluid flowing out from the expansion turbine so as to take the liquefied gas to the gaseous state;
a source of a heating fluid at a higher temperature than the cryogenic temperature, wherein the source of heating fluid is operatively coupled to the evaporator to transfer heat to the working fluid coming from the condenser;
wherein the expansion turbine is a radial centrifugal turbine, wherein said at least one auxiliary outlet is interposed between successive stages of said expansion turbine, and
wherein the condenser is a multilevel condenser and comprises at least two condensing chambers, a lower chamber of said at least two condensing chambers is connected to the outflow opening and an upper chamber of said at least two condensing chambers is connected to said at least one auxiliary outlet, and
wherein the expansion turbine comprises a single rotor disc and a plurality of stages radially arranged one after the other at a front face of the rotor disc, and wherein the auxiliary outlet opens between two of said stages.

US Pat. No. 11,028,733

COAL PLANT SUPPLEMENTARY AIR AND EXHAUST INJECTION SYSTEMS AND METHODS OF OPERATION

Powerphase International,...

1. A coal-fired energy system comprising:a coal-fired steam generator having a coal feed system and a main air feed system for producing heat to a boiler for producing steam;
one or more steam turbines in fluid communication with the steam generator;
piping for passing the steam between the steam generator and the one or more steam turbines; and,
an auxiliary air compression system capable of providing compressed air for a soot blower of the coal-fired steam generator and comprising a compressor selectively coupled to an electric motor or a fueled engine;
wherein coupling the compressor with the fueled engine enables the coal-fired steam generator to deliver a power load to an electrical grid that is greater than a power load delivered to the electric grid when the compressor is coupled to the electric motor.

US Pat. No. 11,028,732

HIGH TEMPERATURE PANEL DAMPER FOR SHEET METAL STRUCTURES

Rolls-Royce North America...

1. An exhaust assembly for use with a gas turbine engine, the exhaust assembly comprisingan exhaust duct configured for fluid communication with the gas turbine engine to receive hot exhaust gases produced by the gas turbine engine, the exhaust duct including a plurality of panels that define an exhaust passageway, a first panel included in the plurality of panels includes a flat inner surface that faces toward the exhaust passageway, a flat outer surface opposite the flat inner surface, and an outer edge that extends around the first panel, and the first panel being supported only along the outer edge, and
a damper system configured to dampen vibration of the exhaust duct during use of the gas turbine engine, the damper system including a fabric damper sheet, a rigid damper plate, and a damper bracket, the fabric damper sheet engaged with the flat outer surface of the first panel, the rigid damper plate arranged in face-to-face relation with the fabric damper sheet and spaced apart from the first panel to locate the fabric damper sheet between the damper plate and the first panel, the damper plate having a body and a perimeter edge arranged around the body, and the damper bracket has a frame that extends along the perimeter edge of the damper plate and defines a window that opens through the damper bracket to expose the body of the damper plate,
wherein the damper bracket is coupled with the first panel and engaged with the perimeter edge of the damper plate to change a resonance frequency of the exhaust duct and dampen the vibration of the exhaust duct during use of the gas turbine engine.

US Pat. No. 11,028,731

CASING POSITION ADJUSTMENT DEVICE

MITSUBISHI POWER, LTD., ...

1. A casing position adjustment device in a steam turbine including a rotor including a free side end fixed by a journal bearing in a radial direction and a fixed side end fixed by a thrust bearing in an axial direction, and a casing including a fixed side end fixed by the thrust bearing in the axial direction, the casing position adjustment device configured to adjust an axial position of the casing with respect to the rotor due to thermal expansion, the casing position adjustment device comprising:a low-pressure casing end plate, which is an end plate oriented to a free side in the axial direction in a low-pressure casing of the casing, and has a diaphragm deformable in the axial direction; and
actuators, which are configured to deform the low-pressure casing end plate such that the low-pressure casing end plate extends toward the free side in the axial direction.

US Pat. No. 11,028,730

AIR OIL COOLER AIRFLOW AUGMENTATION SYSTEM

Raytheon Technologies Cor...

1. A lubricant supply system for a gas turbine engine comprising:a lubricant pump delivering lubricant to an outlet line that splits into at least a hot line and a cool line, said hot line being directed primarily to locations associated with the gas turbine engine that are not intended to receive cooler lubricant, and said cool line being directed to at least one component with an operating temperature lower than the locations associated with the gas turbine engine that are not intended to receive cooler lubricant;
an air/oil cooler that pulls air across said air/oil cooler to cool lubricant in said cool line, wherein at least a portion of the lubricant in said cool line bypasses the air/oil cooler and is passed through a first fuel/oil cooler configured to cool the at least a portion of the lubricant using fuel leading to a combustion section of the gas turbine engine;
an oil/oil cooler configured to cool lubricant from a generator with lubricant from the air/oil cooler; and
a second fuel/oil cooler configured to cool another lubricant exhausted from the oil/oil cooler with the fuel leading to the combustion section.

US Pat. No. 11,028,729

HEAT SHIELD, SYSTEMS AND METHODS

Raytheon Technologies Cor...

1. A heat shield comprising:a base portion, wherein the base portion bounds a generally triangular-shaped void;
a top portion, wherein the top portion bounds an ovular void; and
a tapered portion, wherein the tapered portion extends between the base portion and the top portion, the top portion having a smaller cross-sectional area than the base portion.