US Pat. No. 10,557,541

DRY VARIABLE SPEED DRIVE MECHANISM

1. A variable speed drive comprising:a rotatable drive shaft;
a fixed sheave fixed relative to the drive shaft and mounted for rotation with the drive shaft;
a movable sheave mounted for axial movement relative to the drive shaft;
a plurality of drive fingers projecting axially from one of the sheaves, each drive finger being a single piece of material and defining a finger contact; and
a plurality of recesses in the other sheave, each recess having a single substantially planar opening and each drive finger being movably received by a corresponding one of the recesses, and each recess defining a recess contact that slidably engages the corresponding finger contact.

US Pat. No. 10,557,540

FLEET ANGLE TOLERANT SHEAVE

National Oilwell Varco, L...

1. A sheave, comprising:a body portion with a circular circumference and defining a center plane;
a bore extending through the body portion and configured for receiving a shaft and allowing the body portion to rotate in the center plane; and
a rope groove arranged on the circular circumference, comprising:
a radiused bottom with a first end and a second end and being concave out relative to the bore, the radiused bottom defining an included angle ranging from approximately 20 degrees to approximately 40 degrees;
a pair of opposing sidewalls each extending away from the radiused bottom and directly and tangentially away from one of the first and second end to respective upper ends and having a first curved profile with a first curvature, the first curved profile being a radiused profile defined by a radius ranging from approximately 4 inches to approximately 25 inches, the first curved profile further being concave in a direction opposite the radiused bottom; and
a pair of upper lips each extending directly and tangentially away from respective upper ends of the sidewalls and upward and to an outermost peripheral surface of the sheave, the pair of upper lips having a second curved profile with a second curvature greater than the first curvature and being concave in a direction opposite the radiused bottom,wherein, the radiused bottom, sidewalls and upper lips define an overall height of the rope groove and the sidewalls comprise 50% to 80% of the height.

US Pat. No. 10,557,539

WAVE GENERATOR AND STRAIN WAVE GEARING

Harmonic Drive Systems In...

1. A wave generator of a strain wave gearing, which makes a cup-shaped or silk-hat-shaped externally toothed gear to flex into an elliptical shape and partially mesh with a rigid internally toothed gear, the wave generator comprising:a rigid plug having an elliptical outer peripheral surface; and
a roller bearing mounted on the outer peripheral surface of the plug,
wherein the outer peripheral surface of the plug has:
a tapered surface that is tapered toward a first direction along a center axis line of the plug on a major axis position of the outer peripheral surface; and
an inverted tapered surface that is tapered toward a second direction opposite to the first direction along the center axis line on a minor axis position of the outer peripheral surface.

US Pat. No. 10,557,538

TORQUE CONVERTER

1. A hydrodynamic torque converter, comprising:a pump wheel and a turbine wheel mounted to be rotatable about an axis of rotation;
a fluid in a region between the pump wheel and the turbine wheel;
wherein a first axial contact surface is formed on the pump wheel and a second axial contact surface is formed on the turbine wheel;
wherein a frictional connection between the pump wheel and the turbine wheel can be produced when the pump wheel and the turbine wheel are pressed axially against one another;
wherein one of the contact surfaces is configured to be flexible in order to lie against the other contact surface under an axial pressure load;
wherein the contact surface configured to be flexible comprises a metal sheet that is folded over circumferentially; and
wherein the metal sheet is thinned out in a region of a bending edge of the metal sheet.

US Pat. No. 10,557,537

AXLE ASSEMBLY HAVING A GEAR REDUCTION UNIT AND AN INTERAXLE DIFFERENTIAL UNIT

ArvinMeritor Technology, ...

1. An axle assembly comprising:a housing assembly that receives a differential assembly;
an input shaft that is at least partially received in the housing assembly and is rotatable about a first axis;
a gear reduction unit that is operatively connected to the input shaft, wherein the gear reduction unit includes a planetary gear set that has a sun gear and a planetary ring gear that are rotatable about the first axis and a planet carrier that rotatably supports a planet pinion that is in meshing engagement with the sun gear and the planetary ring gear, wherein the planetary ring gear is moveable between a first position in which the planetary ring gear is coupled to the housing assembly such that the planetary ring gear does not rotate about the first axis and a second position in which the planetary ring gear is coupled to the planet carrier such that the planet carrier and the planetary ring gear are rotatable together about the first axis; and
an interaxle differential unit that is at least partially received in the planet carrier and that operatively connects the planetary gear set to the differential assembly and an output shaft.

US Pat. No. 10,557,536

MULTI-AXIS FINAL DRIVE ASSEMBLY

GM Global Technology Oper...

1. A final drive assembly for a vehicle drive axle having first and second axle-shafts that are configured to rotate about a common first axis, the final drive assembly comprising:a first gear-set configured to be operatively connected to the first axle-shaft;
a second gear-set configured to be operatively connected to the second axle-shaft;
an electric motor configured to provide an electric motor torque input to each of the first and second gear-sets and arranged on a second axis that is parallel to the first axis;
a first differential shaft operatively connected to the first gear-set and a second differential shaft operatively connected to the second gear-set;
a differential third gear-set operatively connecting the electric motor to the first and second differential shafts; and
first and second axle gear members arranged to rotate about the first axis and operatively connected to the respective first and second axle-shafts;
wherein:
the first and second gear-sets are configured as first and second parallel-shaft transfer gear-sets, respectively;
the first parallel-shaft transfer gear-set is operatively connected to the first differential shaft and the second parallel-shaft transfer gear-set is operatively connected to the second differential shaft;
each of the first and second parallel-shaft transfer gear-sets includes respective first and second intermediate gears arranged to rotate about a third axis that is parallel to each of the first and second axes; and
the first and second intermediate gears transfer torque from the respective first and second differential shafts to the respective first and second axle-shafts via the respective axle gear members.

US Pat. No. 10,557,535

REVERSIBLE CONTINUOUSLY SPINNING TRANSMISSION FOR ELECTRIC MOTORS

1. A reversible torque transfer device, comprising:an input shaft comprising a center disc;
an output shaft comprising a first output gear and a second output gear;
a first outer disc on a first side of the center disc, the first outer disc concentrically surrounding the input shaft and being configured to move translationally along the input shaft, the first outer disc being configured to rotate a first input gear, the first input gear being mechanically connected to the first output gear, wherein the center disc drives a rotational movement of the first outer disc based on a translational position of the first outer disc along the input shaft and magnetic force; and
a second outer disc on a second side of the center disc, the second outer disc concentrically surrounding the input shaft and being configured to move translationally along the input shaft, the second outer disc being configured to rotate a second input gear, the second input gear being mechanically connected to the second output gear, wherein the center disc drives a rotational movement of the second outer disc based on a translational position of the second outer disc along the input shaft and magnetic force, wherein one of the first outer disc, the second outer disc, or the center disc comprises a magnet.

US Pat. No. 10,557,534

LINEAR-ROTARY ACTUATOR

DELTA ELECTRONICS, INC., ...

1. A linear-rotary actuator, comprising:a base;
a first linear motor disposed on the base and including a first coil assembly and a first magnet backplane, wherein the first coil assembly is fixed and the first magnet backplane is movable;
a second linear motor disposed on the base and including a second coil assembly and a second magnet backplane, wherein the second coil assembly is fixed and the second magnet backplane is movable;
a first linear rail located on the base, wherein the first linear motor, the second linear motor, and the first linear rail are arranged parallel to each other; and
a ball screw including a screw and a nut screwed together, wherein the screw is connected to the first magnet backplane and coupled to the first linear rail, and the nut is connected to the second magnet backplane and coupled to the first linear rail;
wherein when the screw and the nut are respectively driven by the first and second linear motors to move along the first linear rail in a synchronized manner, the linear-rotary actuator provides linear motion output, whereas when the nut is driven by the second linear motor to move along the first linear rail in an asynchronous manner with respect to the screw, the linear-rotary actuator provides rotary motion output, and
wherein the first coil assembly and the second coil assembly are located between the first magnet backplane and the second magnet backplane, and when viewed from a direction that is perpendicular to the linear first rail, the first magnet backplane and the second magnet backplane overlap the first coil assembly and the second coil assembly.

US Pat. No. 10,557,533

LINEAR MOTION MECHANISM FORMED INTEGRALLY

NEC Corporation, Tokyo (...

1. A linear motion mechanism comprising:an elastic elliptical ring, wherein one end of a major axis of the elastic elliptical ring is fixed and the other end of the major axis is movable, the elastic elliptical ring transforming a displacement in a direction of a minor axis of the elastic elliptical ring to an output displacement in a direction of the major axis;
an operating member arranged to deform the elastic elliptical ring in the direction of the minor axis, the operating member comprising a pair of spring members sandwiching the elastic elliptical ring in the direction of the minor axis; and
a movable member fixed to the elastic elliptical ring to move in the direction of the major axis by the output displacement, wherein
when the pair of spring members are pressed or stretched in mutually opposite input directions by an input displacement, the elastic elliptical ring is deformed by the displacement in the direction of the minor axis,
a ratio between the input displacement and the output displacement of the movable member is determined by a combination of a spring constant of the elastic elliptical ring and a different spring constant of the pair of spring members, and
the different spring constant of the pair of spring members is smaller than the spring constant of the elastic elliptical ring.

US Pat. No. 10,557,532

MOVABLE LATCH HOUSING APPARATUS

8. A movable latch housing apparatus for enhancing security of an existing latch mechanism, wherein said movable latch housing apparatus is adapted to attach to said latch mechanism, said latch mechanism is in the form of a garage door opener with the latch mechanism having a slidable channel engagement structure, a channel guide, a pivotal attachment shoulder, an extension arm having a pivotal attachment to the shoulder and the extension arm oppositely pivotally attached to a garage door, a disengagement lever that has a pivotal attachment to the shoulder and the lever is removably engaged to a linear drive in the channel guide with the lever having an engaged state wherein the linear drive opens and closes the garage door and the lever having a disengaged state allowing the garage door to be manually opened and closed freely without the linear drive, said movable latch housing apparatus comprising:(a) a base having a longitudinal axis with a first margin and an opposing second margin with said longitudinal axis spanning therebetween, said base also having a first border and an opposing second border that are positioned about said longitudinal axis in a straddle manner and juxtapose to said longitudinal axis;
(b) a pair of opposing sidewalls each defined by a first end and an opposing second end and in a perpendicular manner defined by a first boundary and an opposing second boundary, said sidewalls extending from an affixed junction of said first boundary from said first border and said second border respectively in a same direction forming a base section of said sidewalls, said sidewalls extending parallel to a longwise axis that is oriented in a perpendicular manner to said longitudinal axis, said sidewalls each have an elongation section beyond said first margin forming an open ended slot that is defined by said first margin and said first boundaries that the extension arm has pivotal movement within, said pair of sidewalls and said base defining a housing interior, said sidewall elongation sections each have an aperture disposed therethrough, wherein the pivotal attachment is secured therethrough each said aperture to affix each said sidewall to opposite sides of the latch mechanism, wherein operationally a combination of said base and said pair of sidewalls substantially enclose the disengagement lever through its pivotal movement from the engaged state to the disengaged state to help prevent a device in the form of a hooked rod that is external to said housing from placing the lever from the engaged state to the disengaged state, which would undesirably enable the hooked rod device to allow the latch mechanism to be manually moved to open the garage door via the hooked rod device only, thereby bypassing the security of the latch mechanism; and
(c) a flexible sleeve that is sized and configured to have a slidable engagement to a pull cord that is attached to the disengagement lever, wherein structurally said sleeve fully circumferentially encloses the pull cord, said sleeve having a primary end portion and an opposing secondary end portion wherein the pull cord emerges from each of said primary and secondary ends, said sleeve primary end portion is affixed to said base such that said sleeve primary end portion is disposed within said housing interior, further said sleeve is also affixed to the extension arm, wherein operationally said sleeve protects the pull cord from the hooked rod device thus helping to shield the lever from being manually moved from the engaged state to the disengaged state, thus preventing the device from allowing the latch mechanism to be manually moved to open the garage door via the device only.

US Pat. No. 10,557,531

IDLER ASSEMBLY

GM GLOBAL TECHNOLOGY OPER...

1. An idler assembly comprising:a cam pivotally mounted to an idler pulley bracket, the cam being pivotally moveable between a first position and a second position via a first pivot;
an idler pulley mounted to a baseplate and the baseplate being pivotally mounted to the idler pulley bracket, the baseplate being pivotally moveable between a first position and a second position via a second pivot; and
a belt operatively configured to engage with the idler pulley and a plurality of engine pulleys, wherein the cam defines a first engagement edge, the baseplate defines a second engagement edge operatively configured to engage with the first engagement edge of the cam, and at least one of the first pivot and the second pivot include a force balancing biasing means.

US Pat. No. 10,557,530

BELT TENSIONER

HYUNDAI MOTOR COMPANY, S...

1. A belt tensioner comprising:a body configured to move along two or more axes; and
at least two idler rollers individually rotatably installed on the body and spaced apart from each other.

US Pat. No. 10,557,529

TRACTION MECHANISM TENSIONING UNIT FOR A TRACTION MECHANISM

1. A traction mechanism tensioning unit for a traction mechanism drive of a motor vehicle, the traction mechanism tensioning unit comprising:a housing,
a hydraulic tensioner arranged in the housing, the hydraulic tensioner including a cylinder element arranged in the housing and an axially moving piston arranged in the cylinder element,
a compression spring that generates an axial tensioning force on the piston arranged in a compression chamber formed between the cylinder element and the piston,
a pressure control valve arranged in a hole in the housing and oriented along a common longitudinal axis as the housing, such that a radially inwardly extending flange defined on the housing provides an axial abutment surface for the pressure control valve,
the pressure control valve providing a constant pressurized medium pressure in the compression chamber that connects the hydraulic tensioner to a pressurized medium supply line, the pressure control valve including a valve housing, in which a valve piston loaded by a valve spring is axially movable and a second valve piston chamber formed between the hydraulic tensioner and the valve piston,
wherein a pressure increase in the second valve piston chamber leads to an axial displacement of the valve piston against a spring force of the valve spring, and
the valve housing has, on a peripheral surface, at least one cut-out that interacts with at least one cut-out on a peripheral surface of the valve piston for variable setting of a flow rate of the pressurized medium.

US Pat. No. 10,557,528

HYBRID VEHICLE TRANSMISSION

Hyundai Motor Company, S...

1. A hybrid vehicle transmission comprising:an output shaft disposed in parallel to an input shaft;
first and second motor/generators;
a first planetary gear train in which a first rotary element of three rotary elements is connected to the input shaft and a second rotary element thereof is connected to the first motor/generator;
a second planetary gear train in which a first rotary element of three rotary elements is connected to the output shaft and a second rotary element thereof is connected to the second motor/generator;
a first external gear pair consisting of a first gear, connected to a third rotary element of the first planetary gear train, and a second gear, connected to the first rotary element of the second planetary gear train and externally engaged with the first gear, the first external gear pair being disposed between the first planetary gear train and the second planetary gear train with respect to an axial direction of the input and output shafts; and
a second external gear pair consisting of a third gear, selectively connected to the input shaft, and a fourth gear directly connected to one of the three rotary elements of the second planetary gear train and externally engaged with the third gear,
wherein the first motor/generator is positioned between the first external gear pair and the second external gear pair with respect to the axial direction,
wherein the second planetary gear train is positioned between the first external gear pair and the second external gear pair with respect to the axial direction, and
wherein the second motor/generator is positioned between the first external gear pair and the second external gear pair with respect to the axial direction.

US Pat. No. 10,557,527

WIDE-NODE DRIVE SYSTEM

GM Global Technology Oper...

1. An electro-mechanical drive unit connectable with multiple power sources including first and second motor/generators for launching and propelling a vehicle, comprising:an output member;
a stationary member;
a gear-train;
a torque-transmitting device;
a compound planetary gear arrangement having a ring gear structure, a first sun gear member, a second sun gear member, a carrier structure, and a double-pinion assembly having a first pinion gear in mesh with the first sun gear member and a second pinion gear in mesh with the first pinion gear and with the ring gear structure; and
a first hydraulic pump and a second hydraulic pump;
wherein:
the compound planetary gear arrangement includes a first junction point, a second junction point, a third junction point, and a fourth junction point;
the compound planetary gear arrangement is configured to be operatively connected to the second motor/generator at the first junction point via the gear-train and to the first motor/generator at the fourth junction point;
the output member is operatively connected to the compound planetary gear arrangement at the second junction point;
the torque-transmitting device is engageable to ground the third junction point to the stationary member; and
the first pump is operatively connected to the third junction point and the second pump is operatively connected to the output member.

US Pat. No. 10,557,526

MECHANICAL TRANSMISSION AND METHOD FOR CONTROLLING THE MECHANICAL TRANSMISSION

1. A mechanical transmission, comprising an input shaft (1), a first engagement sleeve (2), a second engagement sleeve (3), a clutch (4), an odd gear output shaft (5) and an even gear output shaft (6), a transmission mechanism I (11), a transmission mechanism II (12), a transmission mechanism III (13) and a transmission mechanism IV (14), wherein:the driving parts of the first engagement sleeve (2) and the second engagement sleeve (3) are connected with the input shaft (1);
the driven part of the first engagement sleeve (2) is connected with the odd gear output shaft (5) on one hand through the transmission mechanism I (11), and is connected with the even gear output shaft (6) through the transmission mechanism II (12), the clutch (4), the transmission mechanism III (13) and the transmission mechanism IV (14) in sequence on the other hand on the other hand; and
the driven part of the second engagement sleeve (3) is connected with the even gear output shaft (6) through the transmission mechanism IV (14) on one hand, and is connected with the odd gear output shaft (5) through the transmission mechanism III (13), the clutch (4), the transmission mechanism II (12) and the transmission mechanism I (11) in sequence on the other hand.

US Pat. No. 10,557,525

COAXIAL OUTPUT MOTOR

GEYUAN POWER CO., LTD., ...

1. A coaxial output motor, comprising:a motor subassembly, the motor subassembly comprising a motor housing, a rear cover disposed on one end of the motor housing, a front cover disposed on another end of the motor housing, and a rotor shaft which is a hollow structure and rotatably disposed on the rear cover and the front cover;
a transmission mechanism, the transmission mechanism consisting of an input gear fixedly disposed on the rotor shaft and a countershaft gear rotatably fixed on the front cover; and
a gear shift mechanism, the gear shift mechanism consisting of a speed change gear rotatably fixed on a front end of the rotor shaft;wherein:the countershaft gear is a double gear;
the input gear is coaxial with the rotor shaft;
the speed change gear is coaxial with the rotor shaft;
one end of the double gear meshes with the input gear;
another end of the double gear meshes with the speed change gear;
when in use, rotation of the input gear is transmitted to the speed change gear via the countershaft gear;
the speed change gear is disposed on the front end of the rotor shaft via a coaxial locating bearing; and
one side surface of the coaxial locating bearing butts against an end surface of the input gear; another side surface of the coaxial locating bearing is provided with a spacer sleeve and a retaining ring; the retaining ring is disposed in a shaft hole of the speed change gear; and the spacer sleeve is disposed on one side of the retaining ring.

US Pat. No. 10,557,524

GEARING SYSTEM FOR COMPOUND GEAR REDUCTION

Textron Innovations Inc.,...

1. A transmission for a vehicle, said transmission comprising:an input shaft connectable to a power generation device such that the input shaft is rotatable by the power generation device at a power input rotational speed;
an output shaft connectable to a driveline of the vehicle; and
a plurality of gear sets mounted to the input shaft and the output shaft that are selectively operable to operably connect the input shaft to the output shaft such that at least a portion of the power input rotational speed is transferable to the output shaft to rotate the output shaft at a power output rotational speed, the gear sets comprising:
a master active gear set having a driving gear mounted on one of the input shaft or the output shaft and a driven gear mounted on the other of the input shaft or output shaft, the master active gear set having a master gear ratio;
a slave active gear set having a driving gear mounted on one of the input shaft or the output shaft and a driven gear mounted on the other of the input shaft or output shaft, the slave active gear set having a slave gear ratio; and
a passive gear set having a passive gear ratio: the passive gear set comprising:
a driving gear mounted on one of the input shaft or the output shaft, and one of connected to or connectable to the master active gear set driven gear; and
a driven gear mounted on the other of the input shaft or output shaft, and connectable to the slave active gear set driven gear,
the passive gear set operable to selectively concurrently directly connect with the master active gear set driven gear and the slave active gear set driven gear to provide a compound ratio rotational speed reduction that is the product of the master active gear ratio, the slave active gear ratio and the passive gear ratio.

US Pat. No. 10,557,523

PLANETARY GEAR TRAIN OF INTERNAL ENGAGEMENT TYPE

DENSO CORPORATION, Kariy...

1. A planetary gear train of an internal engagement type comprising:an internal gear having multiple internal gear teeth at an inner peripheral portion thereof, each tooth surface of which includes an internal tooth-bottom surface, an internal tooth-front surface and an internal contact surface formed between the internal tooth-bottom surface and the internal tooth-front surface, wherein the internal contact surface has an internal bottom-side contact surface connected to the internal tooth-bottom surface and an internal front-side contact surface connected to the internal tooth-front surface; and
an external gear having multiple external gear teeth at an outer peripheral portion thereof, each tooth surface of which includes an external tooth-bottom surface, an external tooth-front surface and an external contact surface formed between the external tooth-bottom surface and the external tooth-front surface, wherein the external contact surface has an external bottom-side contact surface connected to the external tooth-bottom surface and an external front-side contact surface connected to the external tooth-front surface, and wherein the external contact surface of the external gear is internally and operatively engaged with the internal contact surface of the internal gear,
wherein each of the internal tooth-bottom surface and the internal bottom-side contact surface is located at a radial-outside position of a second pitch circle of the internal gear, while each of the internal tooth-front surface and the internal front-side contact surface is located at a radial-inside position of the second pitch circle,
wherein each of the external tooth-bottom surface and the external bottom-side contact surface is located at a radial-inside position of a first pitch circle of the external gear, while each of the external tooth-front surface and the external front-side contact surface is located at a radial-outside position of the first pitch circle,
wherein, in a transverse cross section perpendicular to a center axis of the internal gear, the tooth surface of the internal gear is formed in a way that;
(1a) a transverse cross-sectional shape of the internal front-side contact surface is formed by a hypocycloid curved line; and
(1b) a transverse cross-sectional shape of the internal bottom-side contact surface as well as a transverse cross-sectional shape of the internal tooth-bottom surface is formed by an epicycloid curved line,
wherein, in the transverse cross section perpendicular to the center axis of the internal gear, the tooth surface of the external gear is formed in a way that;
(2a) a transverse cross-sectional shape of the external tooth-bottom surface as well as a transverse cross-sectional shape of the external bottom-side contact surface is formed by the hypocycloid curved line; and
(2b) a transverse cross-sectional shape of the external front-side contact surface is formed by the epicycloid curved line,
wherein the external tooth-front surface is formed at a radial-inside position of a reference epicycloid curved line, which is continuously connected to the external front-side contact surface, and
wherein a connecting point between the external tooth-front surface and the external front-side contact surface is located at such a point that a contact surface length of the external contact surface becomes equal to or more than twenty percent of a total surface length of the external tooth in the transverse cross section.

US Pat. No. 10,557,522

CONNECTOR ASSEMBLIES

1. A connector assembly, comprising:a shank including a shaft having an inner extremity, an outer extremity, an inner abutment fixedly mounted to the inner extremity, an outer abutment affixed to the outer extremity, and the shank is arranged about a longitudinal axis that extends from the inner extremity to the outer extremity;
a wire member having an inner end, a pivotally mountable outer end, and a first portion, a second portion, and a third portion between the inner end and the pivotally mountable outer end, the inner end is an inner loop, the inner loop encircles the shank between the inner abutment and the outer abutment, the inner loop is movable reciprocally along the shank relative to the inner abutment and the outer abutment, the first portion extends laterally outward from the shank from the inner loop to the second portion, the first portion is transverse relative to the longitudinal axis of the shank and is perpendicular relative to the second portion, the second portion extends alongside the shank from the first portion past the outer extremity and the outer abutment to the third portion ahead of the outer extremity and the outer abutment, the third portion extends inwardly from the second portion toward the longitudinal axis of the shank and forwardly from the second portion to the pivotally mountable outer end, the third portion is aslant relative to the second portion and the longitudinal axis of the shank, the second portion of the wire member is longer than each of the first portion and the third portion of the wire member, the pivotally mountable outer end of the wire member is an outer loop, the inner loop encircles an inner loop axis and the outer loop encircles an outer loop axis, and the outer loop axis is perpendicular relative to the outer loop axis; and
first and second compression springs encircling the shank between the inner abutment and the outer abutment, the first and second compression springs and the inner loop are captured on the shank between the inner abutment and the outer abutment, the inner loop encircles the shank between the first compression spring and the second compression spring, the first compression spring is tensioned against the inner abutment and the inner loop, the second compression spring is tensioned against the inner loop and the outer abutment, and the first and second compression springs keep tension on either side of the inner loop.

US Pat. No. 10,557,521

STAKE WITH CORD LOCK

The North Face Apparel Co...

1. A cord locking apparatus comprising:an anchoring portion operative to be secured to a surface; and
a cord lock portion having:
a bottom coupled to the anchoring portion, and a top, a front, a first side, a second side, and a central axis defined between the top and the bottom;
a channel comprising a tube extending from a first opening on the front to a second opening on one of the first side or second side along the bottom in a channel orientation direction, the channel operative to receive a cord therethrough; and
a lock slot defining a second channel on the front side extending away from the channel toward the top of the cord lock portion, the lock slot defining a channel end at a bottom of the lock slot and a lock end at the top of the lock slot, and operative to receive and hold a first portion of the cord frictionally in a tension lock direction at an angle to a second portion of the cord disposed in the channel along the channel orientation direction.

US Pat. No. 10,557,520

AUTOMATIC DISPENSER FOR BALANCING WEIGHTS

1. An automatic dispenser configured to separate balancing weight segments contained in a belt of balancing weights, the dispenser comprising:a transport section and a cutting section, wherein
the transport section is configured to transport the belt of balancing weights towards the cutting section and includes a transport roller with a circumferential outer surface, wherein the circumferential outer surface has a plurality of teeth dimensioned to generate friction with the belt of balancing weights;
the cutting section has an arc shaped belt guide configured to conform the belt of balancing weights to a curve to open at least one gap between neighboring balancing weight segments,
the cutting section further having a knife configured to move along a cutting path from a first side of the belt of balancing weights to a second side of said belt to cut the belt of balancing weights between two individual balancing weight segments at the at least one gap.

US Pat. No. 10,557,519

AUTOMOTIVE FLYWHEEL WITH FINS TO INCREASE AIRFLOW THROUGH CLUTCH, AND HEAT MANAGEMENT METHOD

Accel Performance Group L...

1. A method of manufacturing an engine flywheel for cooling a clutch assembly operably connected to the flywheel, comprising:providing a cylindrical engine flywheel having an engine side configured to be positioned adjacent an engine, and a clutch side configured to be positioned adjacent a clutch assembly;
forming an aperture through the flywheel for operably attaching the flywheel to the engine; and,
forming a plurality of clutch fins on the clutch side of the flywheel to cool the clutch assembly as the flywheel spins, the plurality of clutch fins having a face that is coplanar with the clutch side of the flywheel and wherein said face of each clutch fin has a surface area that is greater than a surface area of a bottom surface of a groove between two adjacent of said fins.

US Pat. No. 10,557,518

VIBRATION ISOLATION DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A vibration isolation device for isolating vibrations during movement of an electronic device mounted on a moving body, comprising:a lower plate facing the moving body and serving as a base;
an upper plate supporting the electronic device;
elastic members interposed between the lower plate and the upper plate and each fixed to the lower plate and the upper plate; and
a regulating member that regulates horizontal vibrations of the electronic device, wherein
fixing positions between the upper plate and the elastic members are at higher positions than a bottom face of the electronic device.

US Pat. No. 10,557,517

ACTIVE VIBRATION DAMPING DEVICE AND ACTIVE VIBRATION DAMPING METHOD

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

1. An active vibration damping device, comprising:an actuator disposed between a drive source and a vehicle body; and
a computer configured to suppress transmission of vibrations from the drive source to the vehicle body by causing the actuator to actively generate vibrations;
wherein the computer comprises:
a command value calculating unit configured to calculate an operation command value for the actuator from rotation information of the drive source;
a command value correction unit configured to correct the operation command value in accordance with an internal temperature of the actuator;
a target current waveform calculating unit configured to calculate a target current waveform from the operation command value corrected;
a drive control unit configured to apply a drive voltage to the actuator using a voltage duty ratio calculated based on the target current waveform; and
an internal temperature estimating unit configured to estimate the internal temperature on basis of an average duty ratio as an average of the voltage duty ratios in a predetermined interval, wherein
the target current waveform includes a rising current interval and a falling current interval; and
the predetermined interval corresponds to all or a portion of the falling current interval.

US Pat. No. 10,557,516

BRAKE DEVICE

RATIER-FIGEAC SAS, Figea...

1. A helicopter rotor brake device, the braking device comprising:a module, the module including:
a movable housing configured to transfer a braking force from an input shaft to an output shaft;
a first movable member slidably received within the housing and connected to the output shaft;
a second movable member slidably received within the housing;
a first resilient member biased between the first movable member and the second movable member, such that a force applied to the second movable member is applied to the first movable member via the first resilient member; and
a second resilient member biased between the second movable member and the housing, such that a force applied to the housing is applied to the second movable member via the second resilient member;
wherein the first resilient member is configured to yield or compress upon application of a first, relatively low braking force to the input shaft, and the second resilient member is configured to yield or compress after the first resilient member and upon application of a second, relatively high braking force to the input shaft, wherein the relatively low braking force is less than the relatively high braking force.

US Pat. No. 10,557,515

GAS PRESSURE SPRING

SUSPA GmbH, Altdorf (DE)...

1. A gas pressure spring comprising:a housing comprising a gas-filled interior, a longitudinal axis, a closed housing end and an open housing end situated opposite the closed housing end;
a piston rod displaceable along the longitudinal axis and guided out of the housing in a sealed manner through the open housing end;
a piston unit fastened on the piston rod; and
a damping unit for damping the displacement of the piston unit, the damping unit comprising a damping element, the damping element being a ring-cylindrical sleeve, wherein a damping channel is arranged between the damping element and the housing with respect to the longitudinal axis, the ring-cylindrical sleeve comprising at least one through-opening, the at least one through-opening being concentrically arranged with respect to the longitudinal axis of the housing, the at least one through-opening being closable by the piston unit, wherein gas flow through said through-opening is enabled as long as the through-opening is open, the housing comprising a first chamber and a second chamber, the first chamber being in fluid communication with the second chamber via the at least one through-opening.

US Pat. No. 10,557,514

SUSPENSION SYSTEM FOR VEHICLE

HYUNDAI MOBIS Co., Ltd., ...

1. A suspension system for a vehicle, comprising:a housing;
a damper part disposed within the housing and to extend through the housing;
a transfer part surrounding the damper part and coupled to the damper part;
a damper mount coupled to the transfer part, disposed between an inner wall of the housing and the transfer part, and configured to absorb a vibration of the transfer part;
a fixing part stacked over the damper mount and fixed to the inner wall of the housing;
an anti-leakage part coupled to the fixing part and configured to prevent air leakage between the fixing part and the damper mount; and
a second sealing member installed between an outer wall of the fixing part and the inner wall of the housing while surrounding the fixing part, the second sealing member being configured to prevent the air leakage.

US Pat. No. 10,557,513

DAMPERS

Titus d.o.o. Dekani, Dek...

1. A piston and cylinder damper having a cylinder with a piston assembly mounted for reciprocal movement therein, and dividing the cylinder into separate chambers with a restricted flow path for passage therebetween of oil contained within the cylinder, and apiston rod mounted for reciprocal movement with respect to the cylinder and acting via a first chamber of said separate chambers on the piston assembly in at least a first direction, with a seal assembly sealing between the piston rod and the cylinder, or a part attached thereto, in order to retain damping fluid in said first chamber, the damper further including one or more relief channels in a bore of the cylinder arranged to a bleed off of air bubbles from within the oil in said first chamber, wherein said one or more relief channels are arranged to be closed off in normal use by the seal assembly.

US Pat. No. 10,557,512

VIBRATION DAMPER AND VEHICLE

ZF Friedrichshafen AG, F...

1. A vibration damper (1) for a motor vehicle comprising:tube elements (2, 3);
a hydraulic unit (9); and
two valves constructed (7, 8) for controlling a volume flow to the hydraulic unit (9) during one of a compression stroke and a rebound stroke; and wherein the two valves (7, 8) and the hydraulic unit (9) are arranged in series outside of the tube elements (2, 3) of the vibration damper (1) so that a fluid flow path proceeds through one of the two valves through the hydraulic unit and through the other of the two valves and vice versa; and
wherein each of the two valves comprises a bypass path which can be at least partially released through a respective valve (7, 8) and wherein a bypass path (24, 30) of one valve (8, 7) at least partially overlaps with the bypass path (30, 24) of the other valve (8, 7).

US Pat. No. 10,557,511

AIR SPRING UNIT

Thyssenkrupp Bilstein Gmb...

9. An air-spring module for an air spring for a vehicle, comprisingan air-spring module connector configured to connect to a load to be suspended, and
air-spring module bellows, wherein the air-spring module bellows are connected to the air spring module connector in an airtight manner on a side of the air-spring module bellows facing the air-spring module connector,wherein the air-spring module has at least one connecting element configured to provide an airtight connection of the air-spring module to a rolling piston, the air-spring module bellows provide an airtight connection between the air-spring module connector and the connecting element, anda plurality of guide ribs are arranged on the connecting element.

US Pat. No. 10,557,510

BRAKE DISC FOR A BICYCLE

Campagnolo S.r.l., Vicen...

1. A brake disc for a bicycle comprising:a first component having a braking track configured to cooperate with brake pads and a plurality of first connection portions that extend towards the inside and that comprise respective first connection areas;
a second component having (i) a radially inner annular coupling portion for coupling with a hub of a wheel of the bicycle and (ii) a plurality of second connection portions, in a number corresponding to said plurality of said first connection portions, the second connection portions extending outwards from the radially inner annular coupling portion towards said first component and comprising respective second connection areas; and
connecting members active between the first connection areas and the corresponding second connection areas;
wherein said second connection portions comprise at least one respective pair of arms that extend between the respective second connection areas and the radially inner annular coupling portion, said pair of arms defining a through opening between them,
wherein said first connection area axially overlaps the corresponding second connection area and is housed in a recess of the second connection area.

US Pat. No. 10,557,509

METHOD OF CONTROLLING VEHICLE DAMPER PULLEY CLUTCH

Hyundai Motor Company, S...

1. A method of controlling a damper pulley clutch for selectively transmitting power of an engine to engine accessories, the method comprising:determining, by a controller, whether a vehicle is driven in a fuel-cut mode under deceleration of the vehicle;
controlling the damper pulley clutch, by the controller, to be engaged upon determining that the vehicle is driven in the fuel-cut mode and to be disengaged upon determining that the vehicle is not driven in the fuel-cut mode;
determining whether a circuit to operate the damper pulley clutch has failed; and
engaging the damper pulley clutch upon determining that the circuit has failed.

US Pat. No. 10,557,508

MODULAR VISCOUS CLUTCH

Horton, Inc., Roseville,...

1. A viscous clutch comprising: an input member; an output member; a working chamber defined by and between the input member and the output member;a reservoir to hold a supply of a shear fluid, the reservoir fluidically connected to the working chamber by a fluid circuit;
a valve, wherein the valve is electromagnetically actuatable to selectively control a flow of the shear fluid between the reservoir and the working chamber along the fluid circuit such that a torque coupling between the input member and the output member can be created as a function of a volume of the shear fluid present in the working chamber;
a control coil assembly that includes: a modular center hub removably attached to the input member; an electromagnetic coil; and a coil bearing rotatably supporting the electromagnetic coil on the modular center hub; and
a securing mechanism removably attached to the input member radially inward of the working chamber and the reservoir, wherein the securing mechanism includes a radially outwardly extending flange.

US Pat. No. 10,557,507

PLATE CARRYING DEVICE, MULTIPLATE CLUTCH OR BRAKE AND METHOD FOR PRODUCING A PLATE CARRYING DEVICE

BorgWarner Inc., Auburn ...

1. A plate carrying device (2), for a multiplate clutch or brake, havinga plate carrier (4), which has a tubular section (24), and
a supporting ring (6), which surrounds the tubular section (24) and on which the tubular section (24) can be supported or is supported outwardly in a radial direction (12),
wherein a cross section of the supporting ring (6) has at least one radial leg (30) extending substantially in a radial direction (12, 14), and
wherein the cross section has a further radial leg (38) extending substantially in the radial direction (12, 14).

US Pat. No. 10,557,506

DOG CLUTCH

TOYOTA JIDOSHA KABUSHIKI ...

1. A dog clutch comprising:a rotating member including first dog teeth;
an annular dog ring including second dog teeth, the second dog teeth configured to be engaged with the first dog teeth; and
an annular dog sleeve that is fitted to the dog ring such that the dog sleeve is not able to rotate relative to the dog ring and is relatively movable in an axial direction of the dog clutch, wherein:
the rotating member includes first protrusions protruding radially outwardly from outer circumferences of crests or troughs of the first dog teeth;
the dog sleeve includes second protrusions that are configured to come into contact with the first protrusions in a circumferential direction of the dog clutch when the dog sleeve moves toward the rotating member in the axial direction;
a circumferential length of each of the first protrusions is shorter than a circumferential length of each of the crests or the troughs of the first dog teeth on which the first protrusions are located; and
the first dog teeth and the second dog teeth are disposed at positions at which the first dog teeth and the second dog teeth are configured to be engaged with each other in the circumferential direction in a state in which the first protrusions and the second protrusions are in contact with each other.

US Pat. No. 10,557,504

LINEAR GUIDEWAY CAPABLE OF DETECTING ABNORMAL CIRCULATION STATE

Hiwin Technologies Corp.,...

1. A linear guideway comprising:a rail which is provided on a peripheral surface thereof with two external roll grooves opposite to each other;
a slider having a slide groove, the slider being slidably disposed on the rail through the slide groove, the slide groove being provided on an inner wall thereof with two internal roll grooves opposite to each other, the internal roll grooves of the slider being located correspondingly to the external roll grooves of the rail so that the internal roll grooves of the slider and the external roll grooves of the rail form two load passages, the slider further having two non-load passages opposite to each other, each of the non-load passages penetrating through two opposite end surfaces of the slider;
two end caps disposed on said two opposite end surfaces of the slider and each provided with two circulation grooves, two ends of each of the circulation grooves of each of the end caps being communicated with one said load passage and one said non-load passage respectively in a way that two circulation channels are formed and each of the circulation channels is formed by two said circulation grooves, one said load passage and one said non-load passage collectively;
a plurality of balls disposed in the two circulation channels; and
a plurality of force sensors disposed at two ends of each of the non-load passages.

US Pat. No. 10,557,503

BEARING MOUNT AND PRELOAD ASSEMBLY

HONEYWELL INTERNATIONAL I...

1. An assembly, comprising:a first structure having a first predetermined stiffness;
a first bearing assembly mounted on the first structure; and
a second structure mounted on the first bearing assembly, whereby relative motion about a first rotational axis is allowed between the first and second structures, the second structure having a second predetermined stiffness,
wherein:
the first predetermined stiffness is unequal to the second predetermined stiffness,
at least one of the first structure and the second structure distort when a force is supplied to the second structure along the first rotational axis, and
the distortion of at least one of the first structure and the second structure imparts a first preload force on the first bearing assembly.

US Pat. No. 10,557,502

ROLLING BEARING DEVICE AND OIL SUPPLY UNIT

JKTEKT CORPORATION, Osak...

11. An oil supply unit that supplies oil to a rotary portion, the oil supply unit comprising:a pump that has a pressure chamber portion that stores lubricating oil and a piezoelectric element that is deformable by application of a voltage to vary a volume of the pressure chamber portion, the pump ejecting lubricating oil in the pressure chamber portion as the volume is reduced;
a tank that is connected to the pump and that stores lubricating oil to be supplied to the pump for replenishment;
a sensor that detects a pressure in an oil region which extends from the pressure chamber portion to the tank and in which lubricating oil is present, or a state of the rotary portion;
a pressure adjustment portion that selectively adjusts a pressure of lubricating oil in the oil region which extends from the pressure chamber portion to the tank and in which lubricating oil is present; and
a control portion that controls at least one of the pressure adjustment portion and the piezoelectric element on the basis of a detection result from the sensor.

US Pat. No. 10,557,501

NONCONTACT FLUID BEARING AND MANUFACTURING METHOD THEREOF

1. A noncontact fluid bearing comprising:a carrier having a housing and a cavity recessed on the housing, the housing has a fluid feeding hole; and
a flow controller disposed in the cavity to form a pressure chamber communicating with the fluid feeding hole within the cavity and including a porous layer and a sealing layer, the sealing layer is formed on a first surface of the porous layer and located between the pressure chamber and the porous layer, the sealing layer has a plurality of micro through holes communicating with the pressure chamber and a plurality of pores of the porous layer, a second surface of the porous layer is exposed by the housing.

US Pat. No. 10,557,500

ROTOR ASSEMBLY FOR AN AXIAL MAGNETIC BEARING

Lappeenrannan-Lahden tekn...

1. A rotor assembly comprising:a shaft portion; and
a disc attached to the shaft portion and suitable for operating as a part of an axial magnetic bearing, the disc comprising an aperture for the shaft portion,
wherein:
the disc comprises a conical surface on a portion reaching radially from the aperture of the disc a distance away from the aperture of the disc,
the rotor assembly further comprises a fastening mechanism comprising an aperture for the shaft portion so that the fastening mechanism comprises a conical surface matching the conical surface of the disc and being free from mechanical contacts with the shaft portion, and
the fastening mechanism and the shaft portion are shaped to enable the fastening mechanism to be tightened axially against the conical surface of the disc so as to arrange the conical surface of the fastening mechanism to press the conical surface of the disc towards a center line of the shaft portion, the fastening mechanism directing axial force to the shaft when being tightened axially against the conical surface of the disc.

US Pat. No. 10,557,499

THRUST ROLLER BEARING AND BEARING DEVICE

NSK LTD., Tokyo (JP)

3. A thrust roller bearing comprising:a plurality of rollers which are radially arranged;
a retainer having a pocket which is formed in a circular ring shape as a whole and rollingly retains the plurality of rollers; and
at least one raceway ring which is provided with a race surface on which the plurality of rollers roll, wherein
the raceway ring includes a resin raceway ring having electrically insulating properties and a pair of iron raceway rings disposed on both front and back surfaces of the resin raceway ring, and the pair of iron raceway rings and the resin raceway ring are integrally assembled by being engaged with each other,
the pair of iron raceway rings includes a first iron raceway ring and a second iron raceway ring,
the first iron raceway ring is formed of a metal disk with a hole and includes a circular ring-shaped annular plate portion provided with the race surface,
the annular plate portion is formed with a circumferential cutout in the circumferential direction on a peripheral edge of the annular plate portion,
the resin raceway ring includes: an annular plate portion made by resin and a locking claw protruding from a peripheral edge of the annular plate portion made by resin toward the race surface, and
the locking claw of the resin raceway ring is locked with the circumferential cutout of the first iron raceway ring.

US Pat. No. 10,557,498

FULL-FLOATING BEARING AND TURBOCHARGER INCLUDING THE SAME

BorgWarner Inc., Auburn ...

1. A turbocharger for receiving exhaust gas from an internal combustion engine and for delivering compressed air to the internal combustion engine, said turbocharger comprising:a turbine wheel;
a shaft coupled to and rotatable by said turbine wheel, with said shaft extending along a shaft axis;
a compressor wheel coupled to said shaft and rotatable by said shaft for delivering compressed air to the internal combustion engine;
a bearing housing extending along said shaft axis between said turbine wheel and said compressor wheel, with said bearing housing defining a bearing housing interior, and with said bearing housing disposed about said shaft such that said shaft is disposed at least partially in said bearing housing interior; and
a full-floating bearing disposed about said shaft and in said bearing housing interior, with said full-floating bearing having a central axis and comprising,
an outer surface facing said bearing housing away from said central axis, and
an inner surface facing said shaft and radially spaced from said outer surface with respect to said central axis such that said inner surface is disposed between said central axis and said outer surface,
with said full-floating bearing defining an aperture between said outer surface and said inner surface configured to allow lubricant to flow between said outer surface and said inner surface, and
with said inner surface having a surface profile for reducing vibration of said shaft, with said surface profile defined by an equation Ro=Rb+A Sin(3?+?) where,
Ro is a distance from said central axis to said inner surface for a given angle ?,
Rb is an average distance from said central axis to said inner surface,
A is a difference between a maximum Ro and Rb,
? is from 0 to 2? radians about said central axis with respect to a reference line extending perpendicularly from said central axis through said aperture, and
? is a phase shift from 0 to 2? radians.

US Pat. No. 10,557,497

AXIAL THRUST FOIL AIR BEARING WITH THRUST SENSOR

Florida Turbine Technolog...

1. An axial thrust load sensor for a gas turbine engine comprising:an axial thrust foil bearing plate;
an intermediate washer plate;
a load sensor plate;
the axial thrust foil bearing plate having a plurality of flexible fingers each with a bump foil to provide for a spring force; and,
the load sensor plate includes a plurality of strain gauges on a front side and a back side at an equal spacing.

US Pat. No. 10,557,496

BALL JOINT

RB Distribution, Inc., C...

1. A ball joint comprising:a bushing that defines a space sized to receive ball joint components;
a metallic cage member that fits within the defined space of the bushing, the metallic cage member has a surface with a pattern of raised and recessed portions that form vertically-extending ribs and grooves;
a bearing having an exterior surface that complements the pattern of raised and recessed portions in the surface of the cage member and an interior surface that defines a circular configuration; and,
a stem having an end with a ball portion dimensioned to fit within the interior surface of the bearing.

US Pat. No. 10,557,495

CONNECTING ROD BEARING FOR CRANKSHAFT OF INTERNAL COMBUSTION ENGINE

DAIDO METAL COMPANY LTD.,...

1. A connecting rod bearing for rotatably supporting a crankpin of a crankshaft of an internal combustion engine, the crankpin comprising a cylindrical barrel portion, a lubricating oil path extending through the cylindrical barrel portion, and at least one discharge opening of the lubricating oil path formed on an outer peripheral surface of the cylindrical barrel portion,wherein the connecting rod bearing comprises a pair of half bearings which are combined with each other to form a cylindrical shape, each of the half bearings has a main cylindrical portion including a circumferentially central portion of the half bearing, the main cylindrical portion comprises a slide surface on a radially inner side thereof, and each of the half bearings further comprises a crush relief formed on one end portion and another crush relief formed on the other end portion of the slide surface in a circumferential direction of the slide surface wherein a wall thickness at the crush relief is thinner than a wall thickness of the main cylindrical portion, and
wherein at least one of the pair of half bearings comprises an axial groove extending in an axial direction of the connecting rod bearing on the slide surface between the circumferentially central portion and the crush relief located on a forward side in a rotation direction of the crankpin and having a groove surface exposed to an inner side in a radial direction of the half bearing, and the axial groove is apart from the circumferentially central portion by a circumferential angle of 10° or more toward the forward side in the rotation direction, and apart from the crush relief located on the forward side in the rotation direction of the crankpin by a circumferential angle of 10° or more.

US Pat. No. 10,557,494

DEVICE AND METHOD FOR RETAINING A NUT

1. A retaining device for retaining a wheel fastener,comprising a main body attachable to a wheel;
an engagement portion arranged to engage the wheel fastener, the engagement portion being moveable with respect to the main body, the engagement portion comprising an opening for, in use, permitting a wheel fastener to extend through the opening;
a stop mechanism co operable with the engagement portion, the engagement portion being moveable in a first direction so as to permit the wheel fastener to become secured and the engagement portion being prohibited from moving in a second direction by the stop mechanism so as to restrict movement of the wheel fastener in the second direction, and
a bracket attachable to the wheel, the bracket being configured to receive and secure the main body thereto.

US Pat. No. 10,557,493

SPRING FASTENER

Arista Networks, Inc., S...

1. A spring fastener, comprising:a spring;
a shouldered member having at least two legs, formed by bending a flat piece that has a geometric center with a first leg and a second leg extending in opposed directions from the geometric center, wherein the flat piece has an aperture dimensioned to control flexure of the shouldered member;
at least one of the first leg or the second leg having a retention feature; and
the first leg and the second leg arranged along a central, longitudinal axis of the spring with the spring retained by the shouldered member, wherein the flat piece is formed by stamping a flat sheet of metal to create the flat piece with the first leg and the second leg each offset by an angle from a symmetrical longitudinal axis of the geometric center of the flat piece.

US Pat. No. 10,557,492

CONNECTING STRUCTURE OF BED FRAME

GRANTEC (XIAMEN) CO., LTD...

1. A connecting structure of a bed frame, the bed frame comprising a frame, bed legs disposed at a bottom of the frame, and a bed plank support frame, the frame including two side boards, a head board and a tail board to form a rectangular frame, opposing sides of the two side boards being provided with a plurality of support portions respectively, the bed plank support frame including a plurality of support members and a connecting spine, characterized by the connecting spine including an upright board and two support boards connected to two sides of a bottom of the upright board, the upright board being integrally formed with the two support boards, one end of each of the plurality of support members being connected to a corresponding one of the support portions of the side boards, another end of each of the plurality of support members being connected to a corresponding one of the support boards of the connecting spine; wherein each of the two side boards of the frame is an L-shaped structure having an upright tube and a horizontal tube, and the upright tube is integrally formed with the horizontal tube; wherein each of the two side boards is an integrated hollow tube; wherein opposing sides of the horizontal tubes of the two side boards are provided a plurality of corresponding slots, the slots are the support portions, two sides of the upright board of the connecting spine are provided with apertures corresponding to the slots of the side boards, and the respective two ends of the support members are inserted in the slots of the horizontal tube and the apertures of the upright board, respectively.

US Pat. No. 10,557,491

FASTENING DEVICE FOR A FURNITURE PANEL

Inter IKEA Systems B.V., ...

1. A fastening device for fastening to a first furniture panel and a second furniture panel, the fastening device comprises: at least two dowels for reception in oblong furniture panel recesses of the first furniture panel, each dowel is connected to a respective lateral end of lever arms of a lever and each dowel is configured to move axially and laterally, the lever arms are connected to each other at a hinge joint, wherein the dowels are displaceable in relation to each other between a furniture panel fastening position, in which the fastening device is secured to the second furniture panel, and a furniture panel releasing position, in which the fastening device is removable from the second furniture panel, wherein the dowels are displaceable in a plane defined by an extension of the first furniture panel by movement of the hinge joint in a direction perpendicular to the plane defined by the first furniture panel.

US Pat. No. 10,557,490

TREATMENT ELEMENT ATTACHMENT SYSTEM

THERAGUN, INC., Beverly ...

1. A treatment assembly for securing a treatment member to a shaft, the treatment assembly comprising:the treatment member, wherein the treatment member defines a longitudinal axis and has a distal end and a proximal end, wherein the proximal end includes an attachment recess defined therein,
a female attachment member having a distal end, a proximal end, and a shaft recess defined in the proximal end, wherein the female attachment member is secured in the attachment recess of the treatment member, wherein the shaft recess is defined by an interior surface that includes first and second opposing flat surfaces, wherein the first flat surface includes a first detent defined therein and the second flat surface includes a second detent defined therein, whereby when the shaft is received in the shaft recess, the first flat surface is operatively engaged with a first opposing flat surface on a male attachment member and a first ball is biased into the first detent and the second flat surface is operatively engaged with a second opposing flat surface on a male attachment member and a second ball is biased into the second detent.

US Pat. No. 10,557,489

RATCHETING PIN ADJUSTABLE FASTENING SYSTEM

GM Global Technology Oper...

1. An adjustable fastening system comprising:a first member defining a central longitudinal axis, and including a plurality of fingers radially positioned about the central longitudinal axis;
wherein the first member defines a plurality of notches, with each one of the plurality of notches disposed between an adjacent pair of the plurality of fingers;
a second member attached to the first member and axially moveable along the central longitudinal axis relative to the first member in response to rotational movement about the central longitudinal axis; and
wherein:
the second member includes a protuberance extending radially outward from the central longitudinal axis, with the protuberance positioned within one of the plurality of notches and in interlocking engagement with two of the plurality of fingers to resist rotation of the second member relative to the first member about the central longitudinal axis;
the second member includes a plate extending radially outward from the central longitudinal axis, with the protuberance disposed on a circumferential edge of the plate; and
the second member includes a shaft having a lower threaded portion engaged with the first member, and an upper connecting portion, with the plate disposed axially along the central longitudinal axis between the lower threaded portion and the upper connecting portion.

US Pat. No. 10,557,488

SPACER NUT

ILLINOIS TOOL WORKS INC.,...

1. A spacer nut for connecting spaced-apart fastening portions of two components (5, 12),having a threaded part (1) forming an internal thread (6) for a screw (8),
having an intermediate piece (3) forming a thread (15) and a through-passage opening, wherein:
the threaded part (1) and the intermediate piece (3) are connected to one another such that
an accommodating space (11) for the fastening portion of a first component (5) is formed between them and
the internal thread (6) and the through-passage opening in the intermediate piece (3) are arranged in alignment,
and having a spacer piece (17) with
a thread (16), which can be screwed together with the thread (15) of the intermediate piece (3),
a through-passage opening (21), which is in alignment with the internal thread (6), and
a contact surface (18), which incorporates the one end of the through-passage opening (21) of the spacer piece (17) and is provided for abutment against the fastening portion of the second component (12);
wherein the threaded part (1) and the intermediate piece (3) are connected to one another by a clamp (2), which is provided for engaging around the fastening portion of the first component (5), wherein the clamp includes a first clamp leg and a second clamp leg that are spaced apart to form the accommodating space (11), wherein the first clamp leg and the second clamp leg are interconnected by a closed clamp end (14);
wherein the accommodating space (11) has an open introduction end (13) with a first height, and the accommodating space (11) has at least one other portion, toward the closed clamp end (14), having a second height that is greater than the first height.

US Pat. No. 10,557,487

LEVER-ACTUATED FIREARM ACCESSORY MOUNT HAVING TOOL-LESS CLAMP ADJUSTMENT

1. An accessory mount for releasable and adjustable clamping assembly with the accessory mount rail of a firearm, comprising:a mount base member defining a lever mounting opening;
a locking lever being pivotally mounted to said mount base at said lever mounting opening and having a cam plate defining an angulated cam surface for force transmitting clamping engagement with the accessory mounting rail;
a spring member being positioned within said lever mounting opening;
a drive washer being supported and urged upwardly by said spring member within said lever mounting opening and having a non-circular receptacle therein;
a spindle shaft projecting upwardly from said cam plate and extending into said lever mounting opening and through said spring member and said drive washer, said spindle shaft having a non-circular driving section in driving relation with said non-circular receptacle of said drive washer; and
an adjustment member having threaded connection with said spindle shaft and being manually rotatable by a user of the firearm for increasing or decreasing the clamping force of said cam plate with said accessory mounting rail.

US Pat. No. 10,557,485

ACTUATOR

1. A control element with at least one elastic internal part that can be connected, via an attachment, to a pressurized fluid source and/or a vacuum source, which permits pressurization or evacuation of a cavity in the internal part, characterized in that the modulus of elasticity of a wall delimiting the internal part is formed differently in certain sections such that, instead of a homogeneous increase or decrease in volume under pressurization or evacuation, a directed change of shape takes place, between a resting state and a pressurized or evacuated state, that describes a control path of the control element, wherein structural elements form a limit on an expansion capacity of the at least one elastic internal part, such that the at least one elastic internal part, under pressurization, expands only in a desired direction which makes a contribution for the control path, wherein said structural elements increase the modulus of elasticity of the otherwise homogeneously elastic sheath of the expansion element in certain sections of said elastic sheath, such that a desired change of shape takes place under pressurization, and wherein the structural elements are composed of a sequence of mutually articulated members as modules, between which a plurality of the at least one internal parts are arranged.

US Pat. No. 10,557,484

FLUID CONTROL DEVICE

Shimadzu Corporation, Ky...

1. A fluid control device comprising:a plurality of switching valves;
a high-pressure flow path which receives a supply of high-pressure hydraulic fluid from a hydraulic pressure supply source; the high-pressure flow path configured to pass through the plurality of switching valves when said switching valves are in a neutral state;
a parallel flow path which branches from the high-pressure flow path to direct the hydraulic fluid to each of the switching valves;
a return flow path which receives and directs the hydraulic fluid having passed through all the switching valves via the high-pressure flow path and the hydraulic fluid discharged from each of the plurality of switching valves; the return flow path directing the received hydraulic fluid to a tank;
a main-relief passage through which a part between the hydraulic pressure supply source and a most upstream switching valve of the plurality of switching valves located on a most upstream side communicates with the return flow path;
a main-relief valve which is provided in the main-relief passage and opens when the fluid pressure of the high-pressure flow path exceeds a predetermined first fluid pressure;
a sub-relief passage which branches from the parallel flow path, reaches or passes through one of the plurality of switching valves, and communicates with the tank when the one switching valve, other than the most upstream switching valve of the plurality of switching valves, is in a predetermined state other than the neutral state and a sub-relief valve is open;
the sub-relief valve which is provided in the sub-relief passage, and opens when the fluid pressure of the sub-relief passage exceeds a second fluid pressure lower than the first fluid pressure; and
at least one check valve for suppressing the flow of hydraulic fluid toward the hydraulic pressure supply source, wherein one of the at least one check valves is provided to each switching valve of the plurality of switching valves, the check valve being positioned in a respective parallel passage leading to each respective switching valve, between an input port of each respective switching valve and a point of the respective parallel passage where the sub-relief passage branches from the respective parallel passage.

US Pat. No. 10,557,483

ELECTROHYDRAULIC VALVE NORMALLY OPERATING IN PRESSURE RELIEF MODE AND CONFIGURED TO OPERATE IN VENTABLE MODE WHEN ACTUATED

Sun Hydraulics, LLC, Sar...

1. A valve comprising:a pilot seat member comprising: (i) one or more channels fluidly coupled to a first port of the valve, (ii) a pilot seat, and (iii) a pilot sleeve portion comprising a pilot chamber and a cross-hole disposed in an exterior peripheral surface of the pilot sleeve portion;
a pilot check member disposed in the pilot chamber and subjected to a biasing force of a setting spring disposed in the pilot chamber to seat the pilot check member at the pilot seat; and
a solenoid actuator sleeve slidably accommodated about the exterior peripheral surface of the pilot sleeve portion of the pilot seat member, wherein the solenoid actuator sleeve includes a first cross-hole disposed in an exterior peripheral surface of the solenoid actuator sleeve and a second cross-hole disposed in the exterior peripheral surface of the solenoid actuator sleeve axially spaced from the first cross-hole, wherein the first cross-hole and the second cross-hole of the solenoid actuator sleeve are fluidly coupled to a second port of the valve, and wherein:
when the valve is unactuated, the first cross-hole of the solenoid actuator sleeve is aligned with the cross-hole of the pilot sleeve portion, such that when pressure level of fluid at the first port overcomes the biasing force of the setting spring on the pilot check member, the pilot check member is unseated and a first pilot flow path is formed from the first port to the second port, thereby causing a piston to move axially and open a main flow path from the first port to the second port, and
when the valve is actuated, the solenoid actuator sleeve moves axially, thereby fluidly coupling the second cross-hole of the solenoid actuator sleeve to the one or more channels of the pilot seat member to form a second pilot flow path from the first port to the second port, and cause the piston to move and open the main flow path from the first port to the second port.

US Pat. No. 10,557,482

PRESSURE EXCHANGE SYSTEM WITH HYDRAULIC DRIVE SYSTEM

ENERGY RECOVERY, INC., S...

1. A system, comprising:a rotary isobaric pressure exchanger (IPX) configured to exchange pressures between a first fluid and a second fluid, wherein the rotary IPX comprises a rotor;
a hydraulic drive system comprising a first hydraulic drive device coupled to the rotor, wherein the first hydraulic drive device is configured to receive a hydraulic fluid and to convert hydraulic energy of the hydraulic fluid into mechanical energy to rotate the rotor at a rotational speed that is based on a flow rate of the hydraulic fluid entering the first hydraulic drive device; and
a mixing chamber configured to receive the hydraulic fluid discharged from the first hydraulic drive device and to receive the first fluid, wherein the hydraulic fluid and the first fluid are configured to mix within the mixing chamber to form a fluid mixture, and wherein the rotary IPX is configured to receive the fluid mixture from the mixing chamber and to exchange pressures between the fluid mixture and the second fluid.

US Pat. No. 10,557,481

HYDRAULIC SYSTEM INCLUDING A KINETIC ENERGY STORAGE DEVICE

J. C. Bamford Excavators ...

1. A hydraulic system comprising: a hydraulic fluid, a hydraulic machine for pressurizing the hydraulic fluid, a hydraulic circuit operatively coupled to the hydraulic machine and arranged to deliver the pressurized hydraulic fluid to a hydraulic actuator, the hydraulic machine being configured to receive the pressurized hydraulic fluid from the hydraulic actuator and a kinetic energy storage device for storing energy in a kinetic form, the kinetic energy storage device being operably coupled to the hydraulic machine, the system being configured such that the hydraulic machine is operable to transfer energy from the pressurized hydraulic fluid received from the hydraulic actuator to the kinetic energy storage device, andwherein the hydraulic machine is defined by a first hydraulic pump for pressurizing the hydraulic fluid and a second hydraulic pump being configured to receive the pressurized hydraulic fluid from the actuator, and the kinetic energy storage device is operably coupled to the second hydraulic pump, the system being configured such that the second hydraulic pump is operable to transfer energy from the pressurized hydraulic fluid received from the hydraulic actuator to the kinetic energy storage device,
wherein the first hydraulic pump is configured to be mechanically driven by a prime mover; and
further wherein the kinetic energy storage device is a flywheel which is operably coupled to the second hydraulic pump such that the flywheel rotates faster than the second hydraulic pump.

US Pat. No. 10,557,480

PUMPING SYSTEMS AND METHODS

1. A pumping system comprising:an inlet conduit;
an outlet conduit;
a first chamber assembly comprising a first chamber, the first chamber in fluid communication with the inlet conduit and the outlet conduit;
a first motor assembly in fluid communication with the first chamber assembly and comprising a first pair of vacuum motors coupled back-to-back so that a first vacuum motor of the first pair of vacuum motors operates as a vacuum to apply a negative pressure force to the first chamber, and so that a second vacuum motor of the first pair of vacuum motors operates as a blower to apply a positive pressure force to the first chamber;
a second chamber assembly comprising a second chamber, the second chamber in fluid communication with the inlet conduit and the outlet conduit;
a second motor assembly in fluid communication with the second chamber assembly and comprising a second pair of vacuum motors coupled back-to-back so that a first vacuum motor of the second pair of vacuum motors operates as a vacuum to apply a negative pressure force to the second chamber, and so that a second vacuum motor of the second pair of vacuum motors operates as a blower to apply a positive pressure force to the second chamber; and
a controller configured to alternatingly operate the first motor assembly and the second motor assembly such that the first motor assembly generates negative pressure in the first chamber while the second motor assembly generates positive pressure in the second chamber, or the first motor assembly generates positive pressure in the first chamber while the second motor assembly generates negative pressure in the second chamber.

US Pat. No. 10,557,479

FLUID PUMP WITH FLOW IMPEDANCE MEMBER

DELPHI TECHNOLOGIES IP LI...

1. A fluid pump comprising:an inlet for introducing fluid into said fluid pump;
an outlet for discharging said fluid from said fluid pump;
a motor having an armature which rotates about an axis such that said armature is supported at one end by a first bearing and at a second end by a second bearing, said motor also having a stator which circumferentially surrounds said armature such that a fluid passage is defined radially between said armature and said stator through which said fluid flows from said inlet to said outlet;
a pumping arrangement which is rotated by said armature and which pumps said fluid from said inlet to said outlet;
a flow impedance member extending axially in said fluid passage which impedes circumferential flow of said fluid within said fluid passage, thereby generating a pressure gradient circumferentially within said fluid passage which applies a lateral force to said armature, wherein a distance from said armature to said flow impedance member in a direction radially relative to said axis is less than a dimension of said fluid passage in a direction radially relative to said axis at a location that is diametrically opposed to said distance from said armature to said flow impedance member.

US Pat. No. 10,557,478

FAN ASSEMBLY FOR ROBOT VACUUM CLEANER AND ROBOT VACUUM CLEANER

1. A fan assembly for a robot vacuum cleaner, comprising an electric motor, a stator impeller, a rotor impeller and a fan cover; and wherein,the stator impeller has a shaft hole, the electric motor being mounted on a first side of the stator impeller, and an output shaft of the electric motor passing through the shaft hole;
the fan cover is mounted on a second side of the stator impeller, an end surface of the fan cover defining an air inlet, the end surface being a surface of the fan cover away from the stator impeller; and
the rotor impeller is mounted to the output shaft of the electric motor and located between the fan cover and the stator impeller;
wherein the stator impeller comprises a front impeller disc, the front impeller disc comprising a round plate and a ring rim, the ring rim being disposed around a circumferential edge of the round plate and extending towards the electric motor; and, wherein the shaft hole is located in a center of the round plate;
the stator impeller further comprises a rear impeller disc, wherein the rear impeller disc comprises a bottom plate and a first protruding rim, the bottom plate defining a first round hole at a middle thereof, the first protruding rim being disposed on the bottom plate along a circumferential edge of the first round hole and extending towards the fan cover;
wherein the stator impeller further comprises a plurality of blades provided on upper surface of the rear impeller disc facing towards the rotor impeller and spaced from one another, the plurality of blades is fixed between the ring rim and the first protruding rim;
wherein the fan assembly further comprising a first fastener, the electric motor has a first mounting hole, the round plate has a second mounting hole corresponding to the first mounting hole, and the first fastener passes through the first mounting hole and the second mounting hole to fasten the electric motor to the side of the stator impeller.

US Pat. No. 10,557,477

GAS TURBINE ENGINE AIRFOIL

UNITED TECHNOLOGIES CORPO...

1. A gas turbine engine comprising:a combustor section arranged between a compressor section and a turbine section, wherein the compressor section includes at least a low pressure compressor and a high pressure compressor, the high pressure compressor arranged upstream of the combustor section;
a fan section having an array of twenty-six or fewer fan blades, wherein the fan section has a fan pressure ratio of less than 1.55, wherein the low pressure compressor is downstream from the fan section, the low pressure compressor is counter-rotating relative to the fan blades;
a geared architecture coupling the fan section to the turbine section or the compressor section; and
an airfoil arranged in the low pressure compressor and including pressure and suction sides extending in a radial direction from a 0% span position to a 100% span position, wherein the airfoil has a relationship between a tangential stacking offset and span position that defines a curve that is non-linear, wherein the curve transitions from the positive slope to the negative slope in a range of 60% span to 75% span.

US Pat. No. 10,557,476

MIXED-FLOW FAN

DELTA ELECTRONICS, INC., ...

1. A mixed-flow fan, comprising:a base comprising a bottom channel;
an outer cover disposed on the base;
a motor disposed on the base, and located in the outer cover;
a hub located between the outer cover and the motor, wherein the hub is configured to rotate about a central axis, and a main channel is formed between the outer cover and the hub; and
a blade connected to the hub;
wherein the main channel is connected to the bottom channel, the main channel substantially extends in a first direction, and the bottom channel substantially extends in a second direction; and
a first interior angle between the first direction and the central axis is greater than a second interior angle between the second direction and the central axis.

US Pat. No. 10,557,475

RADIALLY COMPRESSIBLE AND EXPANDABLE ROTOR FOR A FLUID PUMP

ECP ENTWICKLUNGSGESELLSCH...

1. A radially compressible and expandable rotor for a percutaneous blood pump, comprising:a hub; and
a first conveying element comprising a first group of struts coupled to the hub, the first conveying element having a compressed state and an expanded state;
wherein each strut in the first group of struts has a base which overlaps with at least one base of at least one other strut in the first group of struts.

US Pat. No. 10,557,474

ROTARY MACHINE AND METHOD FOR THE HEAT EXCHANGE IN A ROTARY MACHINE

SULZER MANAGEMENT AG, Wi...

1. A rotary machine for conveying a fluid, comprising:a drive unit configured to drive a shaft;
an impeller arranged at the shaft, and configured to convey the fluid;
at least one mechanical seal configured to seal the shaft;
a first and a second heat exchange system configured to cool or heat the mechanical seal, the first heat exchange system comprising an inlet and configured for direct application of a fluid heat carrier at the mechanical seal and the second heat exchange system comprising a heat exchange jacket capable of having a fluid heat carrier flow therethrough without direct contact with the mechanical seal and comprising a hollow space having an inlet and an outlet, the fluid heat carrier of the second heat exchange system of passing from the inlet of the hollow space to the outlet of the hollow space without being in fluid communication with the inlet of the first heat exchange system, and the inlet for the first heat exchange system being different from both the inlet and the outlet for the second heat exchange system, the second heat exchange system at least partially defining the flow path of the first heat exchange system, and the first and the second heat exchange systems forming a common heat exchange system in which a common fluid heat carrier comprising the fluid heat carrier of the first heat exchange system and the fluid heat carrier of the second heat exchange system is capable of being circulated; and
a fan wheel configured to circulate the common fluid heat carrier in the common heat exchange system.

US Pat. No. 10,557,473

CONTROL SYSTEM AND METHOD FOR CENTRIFUGAL COMPRESSOR

1. A centrifugal refrigerant compressor control system comprising:a first impeller and a second impeller connected to a shaft, the first and second impellers provided in a main refrigerant flow path;
a flow regulator provided in a recirculation flow path, wherein the recirculation flow path is provided such that flow is extracted from the main refrigerant flow path downstream of the second impeller and is reintroduced into the main refrigerant flow path downstream of the first impeller;
a magnetic bearing system supporting the shaft, the magnetic bearing system including a sensing element configured to produce an output relating to a shaft position; and
a controller configured to receive the output from the sensing element, and to command an adjustment of the flow regulator in response to the output from the sensing element.

US Pat. No. 10,557,472

ENVIRONMENTAL SENSOR AND METHOD OF OPERATING THE SAME

VENTUREDYNE, LTD., Pewau...

1. A gaseous-fluid environmental sensor, comprising:a gaseous-fluid flow system defining a flow path coupling an intake port to an exhaust port, the gaseous-fluid flow system including a blower and a flow sensor, the blower including a motor and the flow sensor for sensing a flow parameter; and
a controller electrically coupled to the flow sensor and the motor, the controller being configured to drive the motor with a first commutation sequence and to drive the motor with a second commutation sequence different than the first commutation sequence, the controller being further configured to select between driving the motor with the first commutation sequence and driving the motor with the second commutation sequence based on the flow parameter, the flow parameter relating to a flow of gaseous-fluid through the flow path,
wherein the first commutation sequence is a normal commutation sequence, wherein the second commutation sequence is a brake commutation sequence, and wherein the brake commutation sequence includes multiple pulses in opposite directions.

US Pat. No. 10,557,471

TURBOMOLECULAR VACUUM PUMP FOR IONIZED MATTER AND PLASMA FIELDS

1. A turbomolecular pump comprising:a plurality of spaced rotor sets defining a rotor stack, each rotor set having a plurality of blades radially extending from a rotating hub, wherein, in cross-sectional profile, tip surfaces of the rotor stack define a first conical surface;
a plurality of spaced stator sets defining a stator stack, where the spaced stator sets are arranged alternately with the rotor sets, each stator set having a plurality of blades radially extending toward the rotating hub from an outer stator housing, wherein, in cross-sectional profile, root surfaces of the stator housing between the stator sets define a second conical surface;
a pump housing disposed around the outer stator housing and connected to a rotor shaft that is rotatively coupled to the rotor stack, wherein the rotor shaft defines a vertical axis of the pump;
at least a first adjustable connector connecting the stator stack to the pump housing, wherein adjustment of the adjustable connector adjusts a position of the rotor stack along the vertical axis, wherein an axial position of the second conical surface is moved relative to the first conical surface.

US Pat. No. 10,557,470

AIR COMPRESSOR PROVIDED WITH BELT GUARD

ABAC ARIA COMPRESSA S.p.A...

1. Air compressor comprising:a reservoir containing compressed air;
a pump unit for producing the compressed air to be fed to the reservoir;
a motor for driving the pump;
a driving pulley rotating about a first axis, the driving pulley being torsionally coupled to a shaft of the motor;
a driven pulley rotating about a second axis parallel to the first axis, the driven pulley being torsionally coupled to a shaft of the pump to transmit torque from the shaft of the motor to the shaft of the pump, wherein the driven pulley comprises:
a ring,
a hub mounted on the shaft of the pump, and
spokes connecting the hub to the ring, the spokes being configured as fan blades, wherein the driven pulley transmits torque to the shaft of the pump and cools the pump;
a transmission belt wound around the driving pulley and around the ring of the driven pulley; and
a belt guard which encloses the transmission belt, the driving pulley and the driven pulley;
wherein the belt guard is made as a cover and comprises a front wall, in which slits are provided aligned with the driving pulley and the driven pulley for allowing air to be drawn from outside by the spokes of the driven pulley, a side wall which encloses laterally a space around the transmission belt and around the driving pulley and the driven pulley, the side wall being a continuous wall surrounding the transmission belt over an entire length of the transmission belt and having a portion curving around the driven pulley, and a rear wall which closes on a rear side space around the transmission belt and around the driving pulley and the driven pulley and has an opening through which the pump unit extends, and
wherein the rear wall of the belt guard forms a funnel-shaped portion that tapers to the opening along a direction parallel to the second axis and partially encloses the pump and is configured to cover the pump by at least 30% of a depth of the pump and less than an entire depth of the pump along a direction aligned with the second axis.

US Pat. No. 10,557,469

MULTI-OUTLET FLUID FLOW SYSTEM FOR AN APPLIANCE INCORPORATING A BI-DIRECTIONAL MOTOR

Whirlpool Corporation, B...

1. A drain pump for an appliance, the drain pump comprising:a single, self-starting, single-phase synchronous motor;
a pump chamber having an inlet and first and second outlets, wherein the first outlet is a drain outlet and wherein the second outlet is a recirculation outlet; and
an impeller disposed within the pump chamber and that is selectively and bi-directionally driven by the single-phase synchronous motor, wherein:
rotation of the impeller in a first direction directs fluid from the inlet toward the drain outlet and away from the recirculation outlet;
rotation of the impeller in a second direction directs the fluid from the inlet toward the recirculation outlet and away from the drain outlet;
the impeller begins rotation in the first direction from a rest position of a rotor;
from the rest position of the rotor, the single-phase synchronous motor is unable to begin rotation of the impeller in the second direction; and
the impeller is operable to begin rotation in the second direction from a magnetic potential position of the rotor that is different than the rest position of the rotor when bursts of high-magnitude electrical current are delivered to a stator to begin the rotation of the rotor in the second direction, wherein the bursts of high-magnitude electrical current are greater than a current delivered to the stator to begin rotation of the rotor in the first direction.

US Pat. No. 10,557,468

FUEL PUMP

DENSO CORPORATION, Kariy...

1. A fuel pump comprising:an outer gear that includes a plurality of internal teeth;
an inner gear that includes a plurality of external teeth and is eccentric relative to the outer gear in an eccentric direction to be engaged with the outer gear; and
a pump housing that defines a gear accommodation chamber, which rotatably accommodates the outer gear and the inner gear, wherein:
the outer gear and the inner gear expand and contract volumes of a plurality of pump chambers formed between both the gears, and rotate to suction fuel into the gear accommodation chamber and then discharge fuel from the gear accommodation chamber;
the pump housing includes:
a pair of sliding surfaces that clamp the outer gear and the inner gear from both their sides to allow both the gears to slide on the pair of sliding surfaces;
a suction port part that suctions fuel from outside into inside of the gear accommodation chamber; and
a discharge port part that discharges fuel from the inside into the outside of the gear accommodation chamber;
at least one of the suction port part and the discharge port part includes:
an elongated groove that is depressed from a corresponding one of the pair of sliding surfaces and extends along a circumferential direction of the pump housing in a region opposed to the plurality of pump chambers;
a plurality of opening bores that open on the elongated groove from the outside of the gear accommodation chamber; and
a plurality of ribs each of which is arranged between corresponding adjacent two of the plurality of opening bores; and
the plurality of opening bores and the plurality of ribs are arranged alternately along an extending direction of the elongated groove;
each of the plurality of opening bores
opens inward of a contour of the elongated groove on the corresponding one of the pair of sliding surfaces and
opens outward of a contour of the elongated groove on surfaces of the plurality of ribs.

US Pat. No. 10,557,467

CERAMIC PUMP AND CASTING THEREFOR

1. Casing for a volumetric pump,said casing comprising a wall being in ceramic defining a cylindrical volumetric chamber inside said casing, wherein said wall comprises:
at least one opening means comprising a recess,
a through-hole through the ceramic wall to connect the volumetric chamber to the outside of said casing in the bottom of said recess and
a nozzle inside said recess, said nozzle protruding from the bottom of said recess toward an outside of the casing, said nozzle being concentric around said through-hole and having a length inferior to the depth of the recess.

US Pat. No. 10,557,466

DEPRESSURIZING DEVICE

KOGE MICRO TECH CO., LTD,...

1. A depressurizing device comprising:a valve base having a pressure chamber and an outgassing chamber, wherein top and bottom surfaces of the pressure chamber have an opening and a first valve port respectively, and a bottom surface of the outgassing chamber has a second valve port;
a first valve located in the pressure chamber and covering the first valve port;
a flexible member disposed on the valve base and having a depressurizing valve and a first outgassing port, the depressurizing valve covering the opening, the first outgassing port being communicated with the outgassing chamber, wherein a first outgassing channel is at least formed on the flexible member and formed on an uppermost surface of the valve base for communicating the pressure chamber to an outside of the valve base; and
a top cover disposed on the flexible member and having a first depressurizing port and a second outgassing port, the first depressurizing port facing the depressurizing valve, and the second outgassing port being communicated with the first outgassing port, wherein the depressurizing valve is configured to deform caused by an effect of atmosphere in the pressure chamber, so as to selectively close the first depressurizing port or leave the first depressurizing port to form a second outgassing channel between the top cover and the flexible member, and the second outgassing channel is communicated with the first depressurizing port and the second outgassing port.

US Pat. No. 10,557,465

PERISTALTIC PUMP TUBE WITH NON-UNIFORM LUMEN PROFILE

SAINT-GOBAIN PERFORMANCE ...

1. A tube comprising a sidewall defining a lumen profile, the sidewall comprising a plurality of alternating thin regions and thick regions, wherein the thin regions comprise elastic instabilities, wherein the elastic instabilities comprise enlargements and reductions, wherein the enlargements are diametrically opposite to the reductions, wherein the thin regions have a sidewall thickness T1 and the thick regions have a sidewall thickness T2, wherein thickness T1 is no greater than 50% of the thickness T2, wherein the tube exhibits a closure stress, measured according to the Finite Element Analysis method, that is no greater than 0.94 times the Elastic Modulus E of the material forming the tube defined in ASTM D 412 in 2016, wherein the tube comprises an outer diameter having a circular shape, and wherein the tube exhibits a contact stress of at least 0.5 times and is no greater than 0.91 times the Elastic Modulus E of the material forming the tube.

US Pat. No. 10,557,464

LATTICE-CORED ADDITIVE MANUFACTURED COMPRESSOR COMPONENTS WITH FLUID DELIVERY FEATURES

Emerson Climate Technolog...

19. A light-weight high-strength compressor component for a compressor having at least one fluid delivery feature comprising:a body portion having at least one interior region that comprises a lattice structure comprising a plurality of cells formed via additive manufacturing and a surface disposed over the lattice structure, wherein the body portion comprises at least one fluid delivery feature to facilitate fluid flow through the body portion of the light-weight, high-strength compressor component, wherein at least one surface region of the at least one fluid delivery feature comprises a coating.

US Pat. No. 10,557,463

CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR

TGK CO., LTD., Tokyo (JP...

1. A control valve for a variable displacement compressor, for varying a discharging capacity of the compressor for compressing refrigerant introduced into a suction chamber and discharging the compressed refrigerant from a discharge chamber, by regulating a flow rate of refrigerant introduced from the discharge chamber to a control chamber, the control valve comprising:a body having a main passage through which the discharge chamber and the control chamber communicate with each other, and a sub-passage through which the control chamber and the suction chamber communicate with each other;
a main valve seat provided in the main passage;
a main valve element configured to touch and leave the main valve seat to close and open a main valve;
a sub-valve seat provided in the sub-passage;
a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve;
a solenoid configured to generate a drive force in a valve closing direction of the main valve; and
an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element,
wherein power supply to the solenoid is controlled using pulse width modulation, and
wherein a rate of change in an opening area of the sub-valve becomes higher after a predetermined lift amount of the sub-valve element from the sub-valve seat is reached than before the predetermined lift amount is reached.

US Pat. No. 10,557,462

MAGNETIC FLUID DRIVE UNIT AND MAGNETIC FLUID DRIVING METHOD

TOYOTA JIDOSHA KABUSHIKI ...

1. A magnetic fluid drive unit having:a double tube comprising an inner tube and an outer tube disposed outside of an outer side of the inner tube, and
a magnetic field applicator installed on the outer side of the double tube,
the inner tube having, in the region where a magnetic field is applied by the magnetic field applicator, a high heat conducting region and a low heat conducting region aligned in the lengthwise direction of the inner tube, and
the inside of the inner tube being a heating medium flow path and the area between the inner tube and the outer tube being a magnetic fluid flow path.

US Pat. No. 10,557,461

TRANSMISSION ASSEMBLY

Hydro-Gear Limited Partne...

1. A hydraulic drive device, comprising:a housing forming an internal sump;
a center section mounted in the internal sump and having a pump running surface, a motor running surface, a hydraulic porting system disposed therein to hydraulically connect the pump running surface to the motor running surface, and a pair of ports formed therein that hydraulically connect the hydraulic porting system to the internal sump;
a hydraulic pump rotatably disposed on the pump running surface;
a hydraulic motor rotatably disposed on the motor running surface;
a pair of check plugs disposed in the pair of ports and connected to hydraulic porting formed in the center section, each check plug having a closed position and an open position, the pair of check plugs permitting fluid flow from the hydraulic porting to the internal sump when in the open position; and
a rotary bypass mechanism comprising:
a shaft disposed in the housing and having a longitudinal axis;
a pair of engagement fingers, each engagement finger located along the longitudinal axis of the shaft adjacent to one of the pair of check plugs, and
a bypass arm engaged to one end of the shaft and disposed external to the housing, the bypass arm capable of rotating the shaft along the longitudinal axis between a first position in which each engagement finger is not in contact with a respective one of the pair of check plugs and a second position in which each engagement finger contacts the respective one of the pair of check plugs to cause each of the pair of check plugs to move to the open position,
wherein the housing comprises a projection formed thereon adjacent the bypass arm, wherein a first surface of the bypass arm contacts the projection when the bypass arm is in the first position to limit rotation of the bypass arm relative to the housing in a first direction and a second surface of the bypass arm contacts the projection when the bypass arm is in the second position to limit rotation of the bypass arm relative to the housing in a second different direction.

US Pat. No. 10,557,460

FLOORING SYSTEM

Pavegen Systems Limited, ...

1. A flooring system for generating electricity, comprising:a plurality of generators, each generator having a support, each generator being arranged to generate electricity from linear motion of the support in a first direction; and
a plurality of tiles for supporting one or more people,
wherein:
each support supports a plurality of tiles; and
the majority surfaces of each tile are generally shaped as a triangle.

US Pat. No. 10,557,459

VERIFICATION OF WIND TURBINE NACELLE YAW POSITION SENSOR

1. A method of verifying a nacelle yaw position sensor associated with a first wind turbine in a wind farm including a plurality of other wind turbines, the method comprising:determining a first absolute wind direction signal associated with the first wind turbine;
determining a second absolute wind signal direction signal associated with the plurality of other wind turbines;
comparing the first absolute wind direction signal to the second absolute wind direction signal; and
in the event that the first absolute wind direction signal is beyond a predetermined error range of the second absolute wind direction signal, triggering a reset of the nacelle yaw position sensor by yawing the nacelle to a reset-position.

US Pat. No. 10,557,458

INTEGRATED TETHER AND MOORING WITH FLOATING PLATFORM FOR ENERGY KITE

Makani Technologies LLC, ...

1. An offshore airborne wind turbine system, comprising:an aerial vehicle;
an underwater anchor;
a tether comprising:
an insulated electrical conductor,
an upper portion secured to the aerial vehicle, and
a lower portion secured to the underwater anchor; and
a floating platform configured as a landing platform for the aerial vehicle, wherein the tether passes through the floating platform along a reference axis and is captured by the floating platform such that the tether is constrained in movement relative to the floating platform in a plane perpendicular to the reference axis and the tether can freely move through the floating platform along the reference axis.

US Pat. No. 10,557,457

METHOD AND SYSTEM FOR CONTROLLING THE ACTIVE POWER OUTPUT OF A WIND FARM

Nordex Engery GmbH, Hamb...

1. A method for controlling active power output (Pact) in a wind farm having at least two wind turbines, each having a wind turbine controller to control power output for each of the at least two wind turbines, the method comprising:inputting an active power setpoint value (Pset, Pset,global) of the wind farm into a wind farm model;
splitting the active power setpoint value (Pset, Pset,global) of the wind farm among models of each of the at least two wind turbines;
determining a modeled active power setpoint value (P?set) of the wind farm as a sum of modeled active power setpoint values (psimO,1, psimO,2, psimO,n) of the wind farm model, wherein the modeled active power setpoint values (psimO,1, psimO,2, psimO,n) depend on a portion of the active power setpoint values (psimI,1, psimI,2, psimI,n) apportioned to the respective models of each of the at least two wind turbines;
determining a system deviation (e) as a difference between the modeled active power setpoint value (P?set) and an actual value of the active power output (Pact) of the wind farm;
inputting the system deviation (e) into a power controller which outputs a controller manipulated variable (ureg);
determining a feedforward controller manipulated variable (uff) independently of operating states of the at least two wind turbines of the wind farm or the actual value of the active power output (Pact); and
determining an overall manipulated variable (u) as a sum of the feedforward controller manipulated variable (uff) and the controller manipulated variable (ureg).

US Pat. No. 10,557,456

POWER-RAMPING PITCH FEED-FORWARD

1. A method for stabilizing power output in a wind turbine, comprising:tracking a rate of change in an external reference;
computing a feed-forward pitch angle adjustment based on a product of a compensation term in a pitch controller and the rate of change in the external reference, wherein the compensation term is a ratio of a change in pitch angle ?? to a change in power output ?P of the wind turbine, wherein ?? is based on a change in the power coefficient ?Cp of the wind turbine, and wherein ?Cp is a function of a current pitch angle of rotor blades of the wind turbine, rotor speed of the wind turbine, and wind speed;
computing, in the pitch controller, a feed-back pitch angle adjustment based on a measured generator speed;
combining the feed-forward pitch angle adjustment and the feed-back angle adjustment; and
sending the feed-forward pitch angle adjustment to the wind turbine to adjust a pitch angle of rotor blades.

US Pat. No. 10,557,455

ROOT INSERT AND A WIND TURBINE HAVING WIND TURBINE BLADES WITH ROOT INSERTS

General Electric Company,...

1. A wind turbine comprising:a tower;
a rotor coupled to the tower; and
a plurality of blades coupled to the rotor, wherein each of the plurality of blades comprises a root and a plurality of root inserts positioned circumferentially along the root, wherein each of the root inserts comprises:
a metal bushing comprising an outer surface and a plurality of grooves formed at least on the outer surface, the plurality of grooves comprising parallel grooves having a helical or perpendicular orientation with respect to a longitudinal axis of the metal bushing;
a core coupled to the metal bushing;
a plurality of layers wrapped around the metal bushing and the core,
wherein a layer of the plurality of layers comprises a different fiber orientation from a fiber orientation of another layer of the plurality of layers;
wherein the plurality of layers comprises:
a first layer in physical contact with the metal bushing and the core, the first layer comprising a first fiber orientation non-parallel to the orientation of the grooves so as to cross over the grooves;
a second layer wrapped around and in physical contact with the first layer, the second layer comprising a second fiber orientation non-parallel to the first fiber orientation; and
wherein the first layer occupies the plurality of grooves due to the second fiber orientation of the second layer around the first layer and a force applied by the wrapping of the second layer on the first layer.

US Pat. No. 10,557,454

STORED ENERGY SYSTEM

1. A hydrostatically based energy conversion unit, comprising:a) a vertically oriented cylinder;
b) a piston sealingly engaged with and vertically displaceable within said cylinder;
c) a horizontal shaft rotatably mounted to a surface located above said cylinder and mechanically connected to said piston;
d) a motor for driving said shaft in a first rotational direction;
e) a generator coupled to said shaft for producing electrical power when said shaft rotates in a second rotational direction opposite to said first rotational direction;
f) a single vertically oriented feed pipe adjacent to and in fluid communication with said cylinder, into which a volume of liquid is introducible; and
g) a reservoir located above said feed pipe, within which the liquid is collectable and with which said feed pipe is in fluid communication,
wherein said piston is vertically displaceable in a first vertical direction during a charging mode following operation of said motor, and is vertically displaceable in a second vertical direction opposite to said first vertical direction during a power generating mode after being hydrostatically driven to produce electrical power in conjunction with said generator,
wherein pressurized liquid is dischargeable from said feed pipe while said piston is being downwardly displaced and said discharged liquid is receivable within said reservoir, such that the downwardly displaced piston is subjected to a pressure differential due to higher hydrostatic pressure within the volume of liquid and lower atmospheric pressure in a region of the cylinder above said piston.

US Pat. No. 10,557,453

HEAVING BUOY POINT ABSORBER

1. A wave energy converter comprising:a resonant heaving buoy point absorber which oscillates with a natural frequency of movement in a vertical direction approximate to the frequency of passing waves, the absorber comprising a surface piercing float operably rigidly coupled to an adjustable reference mass and a ballast, the ballast having a fixed mass and the adjustable reference mass defining a volume for accommodating sea water therein, wherein the adjustable reference mass comprises at least one aperture for accommodating sea water therethrough, the at least one aperture having an associated valve member, and further wherein the adjustable reference mass defines an inertial mass and is neutrally buoyant, the inertial mass being altered by operatively using the valve member to adjust the volume of sea water in the adjustable reference mass thereby altering the natural frequency of the heaving buoy point absorber, the surface piercing float, the adjustable reference mass and the ballast being configured to rise and fall together in response to passing waves;
a chamber provided within the surface piercing float and defining a hollow interior region which is operably in fluid communication with the sea water via openings located adjacent a base of the chamber to effect a trapping of a volume of air between a top surface of a column of sea water and a top surface of the chamber, the height of the top surface of the column of sea water mimicking the height of the sea surface outside the chamber, the chamber being configured such that operably the movement of the resonant heaving buoy point absorber in response to the wave conditions expands and compresses the trapped volume of air against the column of sea water such that an internal top surface of the chamber reacts against the column of sea water in the chamber via the air trapped above the water column; and
a power take off, PTO, in communication with and responsive to air vented from the chamber resultant from a reaction of the heaving buoy point absorber against the top surface of the enclosed column of sea water, and
wherein operably the volume of accommodated sea water has a mass which is of the order of five times the displacement of the resonant heaving buoy point absorber so that resonance may be achieved.

US Pat. No. 10,557,452

MICROWAVE SPARK PLUG FOR INJECTING MICROWAVE ENERGY

MWI Micro Wave Ignition A...

1. A microwave spark plug for injecting microwave energy into a combustion chamber of an engine, the microwave sparkplug comprising:an elongated housing, including
an elongated chamber forming a hollow conductor in an interior of the housing, and
a microwave window arranged at a first end of the hollow conductor in the housing, wherein the microwave window closes the hollow conductor relative to a combustion chamber of an engine,
wherein the hollow conductor includes a connection element for a high frequency feed conductor at a second end of the hollow conductor arranged distal from the microwave window,
wherein the connection element includes a high frequency inlet cross section geometry which differs from a high frequency outlet cross section geometry at the microwave window,
wherein a transition from the high frequency entry cross section geometry at the first end of the hollow conductor to the high frequency outlet cross section geometry at the second end of the hollow conductor is provided continuously expanding from the second end to the first end of the hollow conductor, and
wherein a thread for threading into an engine housing defining the combustion chamber is arranged at an outer circumference of the elongated housing.

US Pat. No. 10,557,451

CERAMIC HEATER AND GLOW PLUG

NGK Spark Plug Co., LTD.,...

1. A ceramic heater comprising:a substrate containing a ceramic; and
a resistor embedded in the substrate and containing another ceramic, the resistor including;
two lead portions extending parallel to each other,
a joint portion that connects one end of a lead portion to one end of another lead portion, and
an electrode portion that is formed integrally with at least one lead portion of the two lead portions, has an end portion connected to the one lead portion, extends in a direction crossing an axial line of the one lead portion, and has another end portion exposed at an outer surface of the substrate;
wherein, in a cross section of the electrode portion that is taken along an imaginary plane passing through the axial line of the one lead portion and parallel to an extending direction of the electrode portion, the following expression is satisfied,
0.1?A/B?0.8,
where A is a length of the other end portion parallel to the axial line, and B is the length of the one end portion parallel to the axial line, and
wherein, in the cross section of the electrode portion, c is configured to be different from d,
where c is a length that extends along the axial line formed between an edge of the one end portion located opposite the joint portion with respect to the axial direction and an edge of the other end portion located opposite the joint portion with respect to the axial direction, and
d is a length that extends along the axial line formed between an edge of the one end portion located on a side toward the joint portion with respect to the axial direction and an edge of the other end portion located on the side toward the joint portion with respect to the axial direction.

US Pat. No. 10,557,450

INTERNAL COMBUSTION ENGINE

KABUSHIKI KAISHA TOYOTA C...

1. An internal combustion engine comprising:a spark plug protruding into a combustion chamber, the spark plug comprising:
a central electrode; and
a ground electrode including:
an arm portion that is bent toward the central electrode; and
a tip portion that protrudes from a side of the arm portion in a direction opposite to a direction in which the spark plug protrudes into the combustion chamber, such that a spark is generated between the central electrode and the ground electrode by electrical discharge, wherein:
a downstream end of the tip portion of the ground electrode and a downstream end of the arm portion of the ground electrode are both placed upstream of a tip of the central electrode with respect to an air flow through the combustion chamber;
the downstream end of the tip portion of the ground electrode is further upstream with respect to the tip of the central electrode than the downstream end of the arm portion of the ground electrode;
at least one of the downstream end of the tip portion and the downstream end of the arm portion of the ground electrode functions as a vortex generator that separates an air flow near the ground electrode from the ground electrode and generates a trailing vortex at a downstream side;
the central electrode and the ground electrode are placed in a manner such that the spark or a flame deformed by an air flow flowing between the central electrode and the ground electrode enters the trailing vortex, or the spark penetrates through an inside of the trailing vortex; and
an angle between (i) a straight line connecting an end on a downstream side of an upper end surface of the ground electrode and an end on an upstream side of a lower end surface of the central electrode and (ii) a direction of an air flow at the upstream side of the spark plug is zero or positive, provided that:
the angle is positive in a case where a direction from the upper end of the ground electrode toward the lower end of the central electrode is more upward than the direction of the air flow at the upstream side of the spark plug.

US Pat. No. 10,557,449

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

SEG Automotive Germany GM...

1. A method for controlling a belt-driven starter generator of an internal combustion engine, the method comprising:during a predefined test time interval during coasting down of the internal combustion engine:
controlling, by a processor, the belt-driven starter generator to provide to the internal combustion engine a specified test torque; and
determining, by a processor, a speed variable that is a function of a speed of the internal combustion engine;
comparing, by the processor, the determined speed variable to a reference variable;
deducing, by the processor and based on a result of the comparison, a torque accuracy at which the belt-driven starter generator provides torque to the internal combustion engine relative to setpoints specified by the processor; and
based on the deduced torque accuracy, the processor controlling the belt-driven starter generator, wherein a check is carried out as part of the comparison between the determined speed variable and the reference variable to determine whether the speed of the internal combustion engine decreases according to a predefined reference curve during the test time interval.

US Pat. No. 10,557,448

DRIVESHAFT ASSEMBLY WITH INDEXING MEANS

DELPHI TECHNOLOGIES IP LI...

1. A driveshaft assembly for imparting lift to a plunger, the driveshaft assembly comprising:a cam; and
a shaft;
the cam comprising a base cylinder section and an integral further section which is eccentric to the base cylinder section, wherein an outer profile of the cam is defined partly by an outer surface of the base cylinder section and partly by an outer surface of the further section;
wherein the shaft is insertable through a through bore provided in the base cylinder section of the cam thereby to form the driveshaft assembly;
wherein the driveshaft assembly further comprises an indexing means, which enable the cam to be assembled onto the shaft at a plurality of rotational positions, wherein at each rotational position, a central axis of the base cylinder section is offset from a central axis of the shaft by a different offset value;
wherein the indexing means comprises splines;
wherein the splines comprise a first annular set of splines provided on an internal surface of the through bore of the cam, which correspond with a second annular set of splines provided on a section of the shaft,
wherein a centre of a circumference of the splines is offset from the central of the shaft; and
wherein the cam is a push fit onto the shaft, and wherein the plurality of rotational positions comprise a plurality of discreet rotational positions.

US Pat. No. 10,557,447

FUEL INJECTION VALVE FOR COMBUSTION ENGINES

GANSER HYDROMAG AG, Ober...

1. A fuel injection valve for intermittent injection of fuel into a combustion chamber of an internal combustion engine, the injection valve having:a housing which has a housing body and a nozzle body with an injection valve seat,
a high-pressure space which is arranged in the housing and extends from a high-pressure fuel inlet to the injection valve seat,
an injection valve member which is arranged movably in the housing and interacts with the injection valve seat,
a compression spring which is supported on one side on the injection valve member and subjects the latter to a closing force directed toward the injection valve seat and is supported on another side in a fixed manner relative to the housing,
a guiding part in which a control plunger of the injection valve member is guided with a sliding fit,
an intermediate part, which, together with the guiding part and the control plunger, delimits a control space,
a control device for controlling an axial movement of the injection valve member by varying the pressure in the control space, having an intermediate valve, a mushroom-shaped intermediate valve member which has a stem which is guided with a sliding fit in a guide passage of the intermediate part, and a head, a sealing surface which extends at a radial distance around the stem, resting in the closed position of the intermediate valve member against an annular intermediate valve seat formed on the intermediate part, thereby forming an annular sealing surface,
an annular space, which is delimited by the intermediate part, the stem and the head and has a hollow-cylinder-shaped inner annular space extending around the stem, into which inner annular space a high-pressure fuel feed connected to the high-pressure fuel inlet directly opens,
wherein the intermediate valve cuts off the high-pressure fuel feed and the annular space from the control space in the closed position of the intermediate valve member and otherwise opens the connection from the annular space and the high-pressure fuel feed to the control space, and the intermediate valve member continuously cuts off the control space from a valve space apart from a restrictor passage, and
an electrically actuated actuator arrangement for connecting the valve space to and cutting the valve space off from a low-pressure fuel return,
wherein the annular space has an annular gap space which adjoins the inner annular space and which is formed by a constant gap between the intermediate part and the head, in the closed position of the intermediate valve member, wherein the annular gap space is located radially outward of the inner annular space and is smaller than the inner annular space in a longitudinal direction.

US Pat. No. 10,557,446

LIQUID PUMP WITH CAVITATION MITIGATION

Caterpillar Inc., Peoria...

1. A valve assembly for a liquid pump comprising:a valve body having each of a fluid inlet and a fluid outlet formed therein, and including a valve stack forming an inlet valve seat and an outlet valve seat each positioned fluidly between the fluid inlet and the fluid outlet;
an inlet check valve, separate from the valve body, positioned at least partially within the valve stack and movable relative to the valve stack between a closed position blocking the inlet valve seat, and an open position;
an outlet check valve positioned at least partially within the valve stack and movable between a closed position blocking the outlet valve seat, and an open position;
a plunger movable within the valve body between a retracted position and an advanced position;
the inlet check valve, the outlet check valve, and the plunger defining a common axis that extends through the valve stack, and the inlet check valve being located axially between the outlet check valve and the plunger;
the valve body further having formed therein a pumping chamber receiving the plunger, an inlet chamber within the valve stack, and an outlet chamber within the valve stack, and each of the pumping chamber, the inlet chamber, and the outlet chamber being centered on the common axis; and
a plurality of flow channels formed in the valve body for transitioning a pumped liquid between the fluid inlet and the fluid outlet, and being arranged in a first parallel group, defined by the valve stack, fluidly connecting the inlet chamber to the pumping chamber and having a first circumferential distribution about the common axis, and a second parallel group, defined by the valve stack, fluidly connecting the inlet chamber to the outlet chamber and having a second circumferential distribution about the common axis.

US Pat. No. 10,557,445

HIGH-PRESSURE FUEL SUPPLY DEVICE FOR INTERNAL COMBUSTION ENGINE

Hitachi Automotive System...

1. A high-pressure fuel supply device for an internal combustion engine comprising:a high-pressure fuel pump including an intake valve, a plunger rod which is formed as a separate element from the intake valve, an elastic member which biases the plunger rod in a valve-opening direction of the intake valve, and a solenoid which draws the plunger rod in a valve-closing direction of the intake valve when supplied with electricity; and
a control device including
a first control unit which applies a first current to the solenoid during a pumping cycle to close the intake valve, and
a second control unit which applies a second current to the solenoid during the pumping cycle: i) at a predetermined time that is after a time at which the first current reaches a current value of zero, and ii) before the plunger rod collides with the intake valve during the pumping cycle due to biasing force of the elastic member, wherein
a current value of the second current is smaller than a maximum value of the first current, and
the entire second current is supplied before a piston plunger, which pressurizes a fuel, reaches a top dead center position during the pumping cycle.

US Pat. No. 10,557,444

HIGH-PRESSURE FUEL INJECTION PIPE WITH CONNECTION HEAD AND METHOD OF MOLDING CONNECTION HEAD

USUI CO., LTD., (JP)

1. A high-pressure fuel injection pipe with a connection head, comprising:the connection head at a connection end of a narrow-diameter thick-wall steel pipe having a rust-inhibiting coating applied to an outer surface thereof, the connection head being composed of a spherically-shaped seat surface, an annular flange formed to be spaced from the seat surface in a pipe axial direction, and a conical surface contiguous to the seat surface and tapered from the annular flange toward a tip, the connection head having an outside peripheral surface formed into the seat surface in a truncated conical shape or truncated arc shape for a mating seat; and
a washer fitting in a neck lower part of the connection head and having a rust-inhibiting coating applied to an outer surface of the washer,
wherein a contact part between the neck lower part of the connection head and an end part of the washer has a metal-to-metal contact structure without having the rust-inhibiting coating.

US Pat. No. 10,557,443

EXHAUST DEVICE OF ENGINE

MAZDA MOTOR CORPORATION, ...

1. An exhaust device of an engine, comprising:an exhaust-gas purifying device provided on an exhaust path of the engine and comprising a purifying-device body to purify exhaust gas discharged from the engine which is housed in a case thereof; and
an EGR device connected to a downstream side, in an exhaust-gas flow direction, of the exhaust-gas purifying device and recirculating a part of the exhaust gas passing through the purifying-device body as EGR gas to an intake system of the engine via a pipe, wherein
an exhaust-gas discharge port is provided at a downstream-side end portion of said case of the exhaust-gas purifying device,
an EGR-gas takeout port is provided at the downstream-side end portion of said case of the exhaust-gas purifying device,
the exhaust-gas discharge port is provided at a position which is offset from a center axis of the purifying-device body,
the EGR-gas takeout port is provided at a position which is offset from the center axis of the purifying-device body on a side of the center axis of the purifying-device body that is opposite the position of the exhaust-gas discharge port to thereby suppress interference with the exhaust gas flow to the exhaust-gas discharge port, and
said EGR device is provided on a same side of the center axis of the purifying-device body as the position of said EGR-gas takeout port.

US Pat. No. 10,557,442

PURGE EJECTOR ASSEMBLY FOR AN ENGINE

1. A purge ejector assembly for an engine, comprising:a first fluid passage defining a fluid connection between an engine manifold port and air inlet channel port;
a nozzle device disposed in said first fluid passage and configured to raise the flow velocity of the air flowing in said first fluid passage;
a first valve disposed in said first fluid passage at a position in-between said engine manifold port and said nozzle device, said first valve being configured to permit fluid to flow through said first valve from said engine manifold port toward said nozzle device, while restricting fluid to flow through said first valve from said nozzle device toward said engine manifold port;
a second fluid passage defining a fluid connection between a purge flow port connectable to a canister purge passage and said engine manifold port;
a second valve disposed in said second fluid passage at a position in-between said engine manifold port and said purge flow port, said second valve being configured to permit fluid to flow through said second valve from said purge flow port toward said engine manifold port, while restricting fluid to flow through said second valve from said engine manifold port toward said purge flow port, thereby enabling evaporated fuel to flow in said second fluid passage from said canister purge passage to said engine manifold port when said assembly is subjected to a negative pressure via said engine manifold port;
a third fluid passage defining a fluid connection between said purge flow port and said air inlet channel port, and extending from a second fluid passage position located between said purge flow port and said second valve to a first fluid passage position located between said nozzle device and said air inlet channel port;
a third valve disposed in said third fluid passage and configured to permit fluid to flow through said third valve from said purge flow port toward said air inlet channel port, while restricting fluid to flow through said third valve from said air inlet channel port toward said purge flow port, thereby enabling evaporated fuel to flow in said third fluid passage from said canister purge passage to said air inlet channel port when said assembly is subjected to a positive pressure via said engine manifold port forming a negative pressure in said third fluid passage,
wherein the purge ejector assembly is an assembled single unit.

US Pat. No. 10,557,441

EVAPORATED FUEL PROCESSING DEVICE

AISAN KOGYO KABUSHIKI KAI...

1. An evaporated fuel processing device comprising: a canister configured to adsorb fuel evaporated in a fuel tank; a purge passage that is connected between the canister and an intake passage of an engine, and through which a purge gas sent from the canister to the intake passage passes; a control valve provided on the purge passage, an aperture of the control valve being variable, and the control valve configured to control an introduction amount of the purge gas to the intake passage by changing the aperture; a pump provided on the purge passage between the control valve and the canister, the pump is configured to discharge the purge gas from the canister to the intake passage; and a concentration sensor configured to detect a purge gas concentration of the purge gas passing through the purge passage based on a pressure difference between an upstream side and a downstream side of the control valve anda solenoid valve provided on the purge passage on an intake passage side relative to the control
valve, and configured to switch between a communication state and a cutoff state, the communication state being a state in which the canister and the intake passage communicate with each other via the purge passage, and the cutoff state being a state in which communication between the canister and the intake passage is cut off on the purge passage; and a branch passage including one end connected to the purge passage between the control valve and the solenoid valve, and another end connected to the purge passage on a canister side relative to the pump, wherein the evaporated fuel processing device is configured to circulate the purge gas through the control valve in a case where the pump is driven with the solenoid valve being in the cutoff state.

US Pat. No. 10,557,440

INTERNAL COMBUSTION ENGINE

Ricardo UK Limited, (GB)...

1. A method of operating an internal combustion engine comprising a cylinder and a piston, the method comprising injecting into the cylinder, as a liquid in the form of a spray of droplets, a fuel which has been condensed into its liquid phase via a refrigeration process, such that the fuel vaporises into its gaseous phase during a compression stroke of the piston and before combustion such that a rise in temperature caused by the compression stroke is limited by the absorption of heat by the fuel, wherein the injection of fuel is controlled to provide a selected amount of heat absorption in the cylinder.

US Pat. No. 10,557,439

INJECTION DEVICE, COMBUSTOR, AND ROCKET ENGINE WITH RESTRICTORS SHAPED TO AMPLIFY PREDETERMINED PRESSURE OSCILLATION

MITSUBISHI HEAVY INDUSTRI...

1. An injection device comprising:a device main body partitioned into a fuel manifold and an oxidant manifold; and
a plurality of injectors arranged at predetermined intervals in the device main body and being configured to inject fuel and oxidant into a combustion chamber of a rocket engine, wherein
the plurality of injectors each includes
an oxidant channel including a proximal end portion communicating with the oxidant manifold and a distal end portion communicating with the combustion chamber,
a restrictor provided on the proximal end portion of the oxidant channel, and
a fuel channel including a proximal end portion communicating with the fuel manifold and a distal end portion communicating with the combustion chamber,
the restrictors in the plurality of injectors have different shapes,
the shapes of the restrictors in the plurality of injectors are set different in accordance with a pressure oscillation mode occurring in the combustion chamber, and
the shapes of the restrictors are set to amplify pressure oscillation of a preset certain frequency, and the combustion chamber communicates with a resonator configured to attenuate the pressure oscillation of the certain frequency.

US Pat. No. 10,557,438

SYSTEMS AND METHODS FOR AIR-BREATHING WAVE ENGINES FOR THRUST PRODUCTION

NORTH AMERICAN WAVE ENGIN...

1. A pulse combustor system, comprising:a pulse combustor, comprising:
a combustion chamber defining an internal space, with the combustion chamber having a first closed end and tapering from a first diameter to open second end having a second diameter less than the first diameter,
a conduit having a first central longitudinal axis and a third diameter, and with the conduit having a first end connected to and in fluid communication with the open second end of the combustion chamber and a second end in fluid communication with an environment outside of the pulse combustor, with the conduit forming and intake and exhaust structure for the pulse combustor, and
a fuel injector configured to inject fuel into the internal space of the combustion chamber; and
a duct that forms an augmenter for entraining ambient air therethrough and multiplying a thrust output by the pulse combustor system a predetermined amount, and having a second central longitudinal axis, and the duct defining:
a first opening having a fourth diameter that is at least twice the third diameter, with the first opening being disposed at a first end of the second central longitudinal axis, and
a second opening disposed at a second end of the second central longitudinal axis opposite the first end,
wherein the pulse combustor system has an average operating frequency, indicating an average number of combustion events per second during operation of the pulse combustor system; and
wherein the second central axis of the duct is substantially aligned with the first central axis of the conduit, and the first opening of the duct is disposed spaced a predetermined distance from the second end of the conduit so that air ingressing an area between the conduit and duct will at least during predetermined operating events of the pulse combustor mix with gases being emitted from the combustion chamber or flow into the combustion chamber, wherein the duct has a length that is about one quarter of a wavelength in length along the second central longitudinal axis, wherein the wavelength corresponds to the average operating frequency.

US Pat. No. 10,557,437

FUEL INJECTION PUMP

YANMAR CO., LTD., Osaka ...

1. A fuel injection pump provided in a diesel engine, comprising:an electromagnetic spill valve configured to adjust a fuel injection amount by releasing pressurized fuel with opening/closing of a valve body; and
a control device configured to form a current waveform of drive current of the electromagnetic spill valve,
wherein, during a warm state, the control device detects a time of opening the valve body of the electromagnetic spill valve as a first timing, detects a value of flowing current at the time of opening the valve body as a first current value, detects a time of closing the valve body of the electromagnetic spill valve as a second timing, detects a value of flowing current at the time of closing the valve body as a second current value; after closing the valve body, shapes a current waveform of the drive current so that a value of current in the electromagnetic spill valve returns from the second current value to the first current value, within a period equivalent to a time elapsed from the first timing to the second timing; and applies the drive current with the shaped current waveform to the electromagnetic spill valve, and wherein, during a cold state, the control device applies only drive current with a pre-set current waveform to the electromagnetic spill valve.

US Pat. No. 10,557,436

METHOD AND DEVICE FOR CONTROLLING FUEL INJECTION OF DIESEL ENGINE

Mazda Motor Corporation, ...

1. A method of controlling a fuel injection of a diesel engine for performing a plurality of fuel injections to cause a plurality of combustions inside a cylinder in one combustion cycle, comprising:at a controller, computing an oxygen concentration inside the cylinder based on at least one of an intake air amount, a boost pressure, an exhaust gas recirculation ratio, an exhaust gas flow rate, an exhaust gas oxygen concentration, or an air-fuel ratio;
performing, on compression stroke, the plurality of fuel injections at substantially constant injection intervals, wherein a total injection amount of the plurality of fuel injections is increased in response to computing a decrease in the oxygen concentration; and
performing, after the plurality of fuel injections, an additional fuel injection having a larger injection amount than a respective injection amount of each of the plurality of fuel injections, near a top dead center of the compression stroke.

US Pat. No. 10,557,435

FUEL INJECTION CONTROL DEVICE FOR INTERNAL-COMBUSTION ENGINE

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

1. A fuel injection control device for an internal-combustion engine that directly injects pressurized fuel from a fuel injection valve into a cylinder comprising:a fuel pressure controller that controls, to a target fuel pressure, a fuel pressure that is a pressure of fuel fed to the fuel injection valve;
a target load acquisition controller that acquires a target load that is a target of a load of the internal-combustion engine;
a first target fuel pressure setting controller that sets a first target fuel pressure on a basis of the acquired target load;
an actual load acquisition controller that acquires an actual load of the internal-combustion engine; and
a second target fuel pressure setting controller that sets a second target fuel pressure on a basis of the acquired actual load,
wherein the fuel pressure controller performs target-fuel-pressure-control-during-deceleration by setting a lower one of the first target fuel pressure and the second target fuel pressure as the target fuel pressure during deceleration of the internal-combustion engine.

US Pat. No. 10,557,434

KNOCK SENSOR SYSTEMS AND METHODS FOR VALVE RECESSION CONDITIONS

AI ALPINE US BIDCO INC, ...

1. A method, comprising:receiving, via a processor, a signal representative of an engine vibration transmitted via a knock sensor, wherein the knock sensor is disposed in an engine;
deriving, via the processor, a valve wear measurement during operation of the engine based on the signal; and
communicating, via the processor, the valve wear measurement, wherein deriving the valve wear measurement during operation of the engine based on the signal comprises applying a signal baseline to the signal, and wherein the signal baseline is based on signals representative of the engine operating with new valves.

US Pat. No. 10,557,433

SYSTEM AND METHOD FOR DETECTING A FAULT CONDITION ASSOCIATED WITH A VALVETRAIN OF AN ENGINE

Caterpillar Inc., Peoria...

1. A fault detection system for an engine having a first bank of cylinders and a second bank of cylinders therein, the fault detection system comprising:a first plurality of sensors disposed on the engine,
the first plurality of sensors being configured to measure one or more operating parameters of the engine;
a second plurality of sensors disposed on the engine,
the second plurality of sensors being configured to measure a pair of values for at least one performance parameter associated with the engine,
wherein the pair of values for the at least one performance parameter correspond to respective measurements of the at least one performance parameter that are taken from each of the first bank of cylinders and the second bank of cylinders; and
a processor communicably coupled to the first plurality of sensors and the second plurality of sensors,
the processor being configured to:
determine that the one or more operating parameters satisfy one or more corresponding boundary conditions for the engine;
determine, based on determining that the one or more operating parameters satisfy the one or more corresponding boundary conditions, a difference in magnitude of the pair of values for the at least one performance parameter;
compute, based on the difference in magnitude of the pair of values, a measure of variation of the at least one performance parameter in a time segment;
determine that the measure of variation of the at least one performance parameter satisfies a limit for the engine;
determine, based on determining that the measure of variation of the at least one performance parameter satisfies the limit for the engine, whether the measure of variation satisfies the limit, for the engine, for at least a particular period of time; and
flag a valvetrain as faulty when the measure of variation satisfies the limit, for the engine, for at least the particular period of time.

US Pat. No. 10,557,432

FUEL INJECTION SYSTEMS

CONTINENTAL AUTOMOTIVE GM...

1. A method for operating an internal combustion engine with a fuel injection system including a piezo actuator, the method comprising:carrying out an injection process and stopping the discharge phase of the piezo actuator;
measuring a voltage profile at the piezo actuator;
evaluating the voltage profile to detect a voltage rise after the end of the discharge phase by comparing a feedback signal at the piezo actuator with a setpoint value;
varying the discharge time of the piezo actuator in successive injection cycles until the feedback signal corresponds to the setpoint value to obtain an optimized discharge time;
defining a servo valve closing time as a defined offset with respect to the optimized discharge time; and
using the defined servo valve closing time to set an injection quantity of fuel for future injection cycles.

US Pat. No. 10,557,431

INDIRECT MEASUREMENT OF RELATIVE AIR HUMIDITY

Ford Global Technologies,...

1. A method for measurement of relative air humidity in a fresh air induction tube of an internal combustion engine, comprising:measuring a concentration of oxygen in the fresh air induction tube by an oxygen sensor;
determining a temperature in the fresh air induction tube;
if the temperature in the fresh air induction tube is within a range, determining the relative air humidity at a controller as a function of the measured concentration of oxygen and the determined temperature, without a humidity sensor;
if the temperature in the fresh air induction tube is below the range, calibrating the oxygen sensor by setting a current output value of the oxygen sensor equal to a predetermined concentration of oxygen, heating air in the fresh air induction tube to bring the temperature in the fresh air induction tube into the range, and then determining the relative air humidity at the controller as a function of the measured concentration of oxygen and the determined temperature, without a humidity sensor; and
if the temperature in the fresh air induction tube is above the range, cooling the air in the fresh air induction tube to bring the temperature in the fresh air induction tube into the range and then determining the relative air humidity at the controller as a function of the measured concentration of oxygen and the determined temperature, without a humidity sensor.

US Pat. No. 10,557,430

OIL CARRYOVER REDUCTION SYSTEM

GE GLOBAL SOURCING LLC, ...

1. A system comprising:a controller configured to determine which propulsion-generating vehicle or vehicles in a group of propulsion-generating vehicles have an increased risk for oil carryover during operation at an idle setting for at least a designated oil carryover commencement time period; and
an energy management system configured to determine a power requirement for the group of propulsion-generating vehicles, wherein the controller is configured to determine respective power outputs for the propulsion-generating vehicles in the group such that the propulsion-generating vehicle or vehicles having the increased risk for oil carryover do not operate at the idle setting for longer than the designated oil carryover commencement time period, and that a combined power output generated by the group of propulsion-generating vehicles meets the power requirement that is determined.

US Pat. No. 10,557,429

ENGINE CONTROL APPARATUS

DENSO CORPORATION, Kariy...

1. An engine control apparatus which is applied to an engine system including rotating electrical machine which is capable of applying positive torque which is torque on a positive rotation side and counter torque which is torque on an inverse rotation side to an engine output shaft of an engine in which a cycle including each process of compression and expansion is repeatedly performed, the engine control apparatus comprising:a rotation speed determining unit configured to determine that a piston is at a compression top dead center immediately before engine speed becomes zero if the engine speed at the compression top dead center of the engine during a rotation drop period while the engine speed drops to zero after combustion of the engine is stopped; and
a torque control unit configured to, in a case where it is determined that the piston is at the compression top dead center immediately before the engine speed becomes zero, apply counter torque by the rotating electrical machine from the compression top dead center to stop the piston at a rotation angle position in a first half period of an expansion process by application of the counter torque.

US Pat. No. 10,557,428

METHOD AND SYSTEM FOR PREDICTIVE CONTOL OF AN ELECTRIALLY HEATED AFTERTREATMENT SYSTEM

GM GLOBAL TECHNOLOGY OPER...

10. An aftertreatment system of an internal combustion engine for a vehicle comprising: an engine control unit in communication with the engine and configured to control an operating state thereof;an exhaust system including an aftertreatment device having an electrical heating element;
an exhaust sensor network in communication with the exhaust system, the sensor network configured to measure an exhaust temperature, an exhaust flow rate, and an exhaust oxygen level; and
an electrical system in communication with the electrical heating element and configured to supply electric power to the electrical heating element,
a heater control module in communication with the electrical system and the engine control unit, wherein the heater control module is configured to:
determine an optimized electrical heat input for the electrical heating element and an optimized engine heat input from post-combustion injection of fuel into the exhaust gas based on a system operating mode including a target temperature for an aftertreatment device and a weighting coefficient for the system operating mode;
control the electric power supplied to the electrical heating element for generating an electrical heat input to the aftertreatment device based on the optimized electrical heat input; and
instruct an engine control unit to control post-combustion injection of fuel based on the optimized fuel heat input.

US Pat. No. 10,557,427

MULTI-LEVEL FIRING ENGINE CONTROL

Tula Technology, Inc., S...

1. A method of controlling operation of an internal combustion engine having a plurality of working chambers to deliver a desired output, wherein each working chamber has at least one cam-actuated intake valve and at least one exhaust valve, the plurality of working chambers including first and second sets of the working chambers, each set of working chambers including at least one working chamber, wherein working chambers in the first set are deactivatable and working chambers in the second set are not capable of being deactivated during operation of the engine, the method comprising:operating the engine to deliver a desired engine output by causing each of the working chambers in the second set to be fired during every engine cycle and causing the working chambers in the first set to sometimes be fired and sometimes be skipped; and
setting an air charge for each fired working cycle based on whether a high or low torque output was selected for the fired working cycle, whereby within a selected engine cycle, at least one fired working chamber has the high torque output and at least one other fired working chamber has the low torque output.

US Pat. No. 10,557,426

ENGINE CONTROL METHOD AND APPARATUS FOR DETERMINING WHETHER INJECTOR MALFUNCTIONS CONSIDERING INFLUENCE OF AIR COMPRESSOR

Hyundai Motor Company, S...

1. An engine control apparatus for a vehicle, the engine control apparatus comprising:a crankshaft position sensor system that includes at least one crankshaft position sensor and detects an angular velocity of a crankshaft of an engine,
an air compressor to which driving force of the engine is transmitted from an output end of the engine,
an injector for injecting fuel, and
a controller that determines whether the injector malfunctions based on a variation in angular velocity of the crankshaft at specific rotation timings corresponding to actions of a plurality of cylinders of the engine,
wherein the controller measures the angular velocity of the crankshaft at the specific rotation timing corresponding to the action of each of the cylinders when the engine is driven, and determines whether the injector malfunctions based on the variation in angular velocity at the specific rotation timing corresponding to the action of each of the cylinders, and
the air compressor and the output end of the engine are arranged such that a driving torque of the air compressor is periodically applied at a time other than the time when the angular velocity is measured by the controller in the specific rotation timings to detect malfunctioning of the injector.

US Pat. No. 10,557,425

SYSTEMS AND METHODS FOR A SPLIT EXHAUST ENGINE SYSTEM

Ford Global Technologies,...

1. A method, comprising:supplying air to an exhaust system at a location downstream of an emissions control device via a scavenge manifold, the air not having participated in combustion in an engine, the scavenge manifold in fluidic communication with a first exhaust valve of a cylinder and an intake manifold, the cylinder including a second exhaust valve in fluidic communication with a blowdown manifold;
in response to an electric motor driving an electric compressor positioned upstream of a turbocharger compressor in the intake passage, adjusting a position of a valve in an exhaust gas recirculation (EGR) passage coupled between the intake passage and the scavenge manifold, based on a pressure in the scavenge manifold; and
adjusting an amount of fuel injected to the engine in response to output of a first oxygen sensor, the first oxygen sensor positioned in the exhaust system upstream of the emissions control device.

US Pat. No. 10,557,424

METHOD AND SYSTEM OF AIR CHARGING FOR AN INTERNAL COMBUSTION ENGINE

GM GLOBAL TECHNOLOGY OPER...

1. A method of controlling the operation of an air charging system of an internal combustion engine, wherein the air charging system comprises, and wherein the method comprises:monitoring, by a plurality of sensors, a plurality of output parameters of the air charging system;
calculating, by a processor, an error between each one of the output parameters and a target value thereof;
applying, by the processor, each one of the calculated errors to a linear controller that yields a virtual input;
calculating, by the processor, a plurality of input parameters for the air charging system using the virtual input with a non-linear mathematical model of the air charging system configured such that each one of the virtual inputs is in a linear relation with only one of the output parameters, wherein each one of the input parameters affects all of the output parameters; and
operating a plurality of actuators of the air charging system including an electric motor of an air compressor, wherein each of the actuators using a corresponding one of the input parameters.

US Pat. No. 10,557,423

OPTIMIZED FUEL MANAGEMENT SYSTEM FOR DIRECT INJECTION ETHANOL ENHANCEMENT OF GASOLINE ENGINES

Massachusetts Institute o...

1. A turbocharged spark ignition engine, comprising:a first fueling system configured to directly inject fuel into at least one cylinder of the turbocharged spark ignition engine; and
a second fueling system configured to use port fuel injection to provide fuel to the at least one cylinder,
wherein the first fueling system is configured to be used across a manifold pressure range of the engine such that a fraction of total fuel introduced into the at least one cylinder provided by the first fueling system increases with increasing manifold pressure,
wherein the first fueling system is configured to initiate fueling when torque from the engine exceeds a designated value,
wherein the first fueling system is configured to initiate fueling in response to a signal from a knock sensor, and
wherein the first fueling system uses a mixture of gasoline and ethanol.

US Pat. No. 10,557,422

AIR CHARGE DETERMINATION METHOD, ENGINE CONTROL UNIT AND INTERNAL COMBUSTION ENGINE

Volkswagen Aktiengesellsc...

1. A method for determining a quantity of air within a cylinder of an internal combustion engine, the method comprising:scaling an intake manifold pressure and an exhaust gas pressure in dependence on an actual ambient air pressure and a standard ambient air pressure in order to provide a scaled intake manifold pressure and a scaled exhaust gas pressure;
implementing an air charge calculating algorithm produced under a standard ambient air pressure operating condition, in order to determine a standard quantity of air based on the scaled intake manifold pressure and the scaled exhaust gas pressure; and
scaling the standard quantity of air in dependence on the actual ambient air pressure and the standard ambient air pressure in order to calculate the quantity of air within the cylinder of the internal combustion engine.

US Pat. No. 10,557,421

SYSTEMS AND METHODS FOR A SPLIT EXHAUST ENGINE SYSTEM

Ford Global Technologies,...

1. A method for an engine, comprising:adjusting a timing of a first set of cylinder exhaust valves to adjust a flow of combusted exhaust gases from engine cylinders to an intake passage, upstream of a compressor, via an exhaust gas recirculation (EGR) passage, in response to a change in a desired EGR flow amount, where the first set of cylinder exhaust valves open at a different time than a second set of cylinder exhaust valves coupled to an exhaust passage; and
adjusting the timing of the first set of cylinder exhaust valves to adjust a flow of fresh, blowthrough air from engine cylinders to the intake passage via the EGR passage in response to a change in a desired blowthrough flow amount.

US Pat. No. 10,557,420

FRESH AIR SUPPLY DEVICE FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE

Mahle International GmbH,...

1. A fresh air supply device for an internal combustion engine, comprising:a housing and a flap arrangement arranged in the housing, the flap arrangement including at least one flap for controlling a fresh air flow through a fresh air path to a respective cylinder of the internal combustion engine;
the flap arrangement including a common actuator shaft connected to the at least one flap in a torque-proof manner and mounted rotatably about an axis of rotation in a plurality of bearings of the flap arrangement; and
the actuator shaft having at least one actuator shaft section in which the actuator shaft has a right-angle bend configured to interact with a stop present on the housing for limiting a rotational movement of the actuator shaft.

US Pat. No. 10,557,419

METHOD AND DEVICE FOR CONTROLLING FUEL INJECTION OF DIESEL ENGINE

Mazda Motor Corporation, ...

1. A method of controlling a fuel injection of a diesel engine for performing a plurality of fuel injections to cause a plurality of combustions inside a cylinder in one combustion cycle, comprising:at a controller, computing an oxygen concentration inside the cylinder based on at least one of an intake air amount, a boost pressure, an exhaust gas recirculation ratio, an exhaust gas flow rate, an exhaust gas oxygen concentration, or an air-fuel ratio;
performing, on compression stroke, the plurality of fuel injections at substantially even injection intervals, wherein the injection intervals are increased in response to computing a decrease in the oxygen concentration; and
performing, after the plurality of fuel injections, an additional fuel injection having a larger injection amount than a respective injection amount of each of the plurality of fuel injections, near a top dead center of the compression stroke.

US Pat. No. 10,557,418

ON-BOARD ESTIMATOR ACTUATOR SYSTEM FAULT ACCOMMODATION IN ENGINE CONTROL

UNITED TECHNOLOGIES CORPO...

1. An engine control system comprising:an electronic hardware engine controller in signal communication with at least one actuator configured to operate at a plurality of different positions that control operation of an engine, and at least one actuator sensor configured to measure an actuator position, the engine controller configured to generate a synthesized actuator position independently from the measured actuator position,
wherein the engine controller is configured to generate a synthesized engine operating parameter independently from a measured engine operating parameter output from an engine condition sensor,
wherein the engine controller adjusts the position of the at least one actuator based on the synthesized actuator position in response to detecting at least one of a faulty actuator and a faulty actuator sensor, and
wherein the engine controller distinguishes between an actuator sensor fault, and an actuator hardware fault based on a comparison between the synthesized actuator position, and the synthesized engine operating parameter,
wherein the engine controller compares the synthesized actuator position to the synthesized engine operating parameter to determine one of a Low in-range sensor fault or a Hi in-range sensor fault, wherein the Low in-range sensor fault indicates a difference between the synthesized actuator position and the synthesized engine operating parameter is below an expected value, and wherein the Hi in-range sensor fault indicates the difference between the synthesized actuator position and the synthesized engine operating parameter is above an expected value.

US Pat. No. 10,557,417

ACOUSTIC ABSORBER CELL FOR A TURBOJET, AND AN ASSOCIATED ACOUSTIC TREATMENT PANEL

SAFRAN AIRCRAFT ENGINES, ...

1. An acoustic absorber cell for mounting on a wall of a turbojet in contact with a fluid flow, the cell comprising a resonant cavity presenting walls and at least one orifice associated with a neck having a tubular portion, said at least one orifice communicating with the outside medium (M) in which the noise for attenuating propagates, and said tubular portion extending inside the resonant cavity and including, in an axial direction of the tubular portion orthogonal to a plane in which said orifice extends both a first end that is free, and also a second end that is secured at least to a wall around the orifice with which the tubular portion co-operates, the acoustic absorber cell being characterized in that the neck further comprises a tubular ring coaxial with the tubular portion, and movable relative to said tubular portion, and the cell has translation means for moving the ring along the tubular portion in order to modify the length of the neck, and control means for controlling the translation means and configured to control the movement of the ring along the tubular portion as a function of the operating speed of the turbojet, at least between first and second positions corresponding respectively to first and second resonant frequencies of the resonant cavity.

US Pat. No. 10,557,416

FLOW MODULATING AIRFOIL APPARATUS

United Technologies Corpo...

1. A gas turbine engine comprising:a fan;
a compressor downstream of the fan;
a combustor downstream of the fan;
a turbine downstream of the fan;
a bypass duct downstream of the fan and radially outward of the compressor;
a cooling system comprising:
an inlet for receiving air from the bypass duct;
an outlet for returning the air to the bypass duct;
a cooling duct extending between the inlet and the outlet;
a heat exchanger positioned in the cooling duct; and
a fluid modulator positioned in the cooling duct, wherein the fluid modulator includes a plurality of dividers extending parallel to each other and arranged across the cooling duct, wherein each divider comprises:
a first flap that is rotatable about an axis;
a second flap that is rotatable about the axis;
a first actuator, comprised of a first motor and a first linkage, wherein the first actuator is disposed to rotate the first flap; and
a second actuator, comprised of a second motor and a second linkage, wherein the second actuator is disposed to rotate the second flap;
wherein the first actuator and the second actuator are mechanically independent.

US Pat. No. 10,557,415

TURBO-ENGINE INCLUDING TWO SEPARATE VENTILATION FLOWS

SAFRAN AIRCRAFT ENGINES, ...

1. A turbo-engine with non-faired propellers comprising:a gas generator;
a propulsion unit which is separated from the gas generator by an intermediate housing; and
a housing and a radially internal ferrule which are coaxial and define a gas flow duct of a primary gas flow, and which are connected by hollow radial arms, said housing also defining in part a gas flow duct of a secondary gas flow,
wherein each of the hollow radial arms is hollow and is traversed by at least one service duct of the turbo-engine, and
wherein at least one of the hollow radial arms is traversed by a ventilation gas circulation duct from the secondary gas flow and which leads to at least one component from among a power turbine and a mechanical transmission of said propulsion unit.

US Pat. No. 10,557,414

COMBINED CYCLE ENERGY RECOVERY METHOD AND SYSTEM

1. A method of cooling turbine inlet air, comprising:directing natural fuel gas having a first pressure and temperature through a first turbo-expander;
expanding the fuel gas through the first turbo-expander, wherein the expanded gas comprises a second pressure and temperature, and wherein the second pressure and temperature are lower than the first pressure and temperature;
directing the fuel gas having the second temperature and pressure through a first heat exchanger, wherein the fuel gas operates as a first refrigeration medium for the first heat exchanger, thereby cooling a second refrigeration medium through the first heat exchanger; and
directing the second refrigeration medium through a turbine inlet air housing, wherein the turbine inlet air housing provides cooled air to one or more gas turbines or compressors.

US Pat. No. 10,557,413

SYSTEMS AND METHODS FOR CONTROLLING LIQUID FLOW TO A TURBINE FOGGING ARRAY

Caldwell Tanks, Inc., Lo...

1. A method of adjusting pump output of a variable output pump supplying liquid to a fogging array positioned upstream of a combustion turbine, comprising:receiving weather sensor data indicative of one or more weather conditions of intake air of the combustion turbine;
identifying a target humidity value for the intake air;
determining, based on the weather sensor data and the target humidity value, a target pump output value indicative of a pump output required to change a moisture content of the intake air to meet the target humidity value;
adjusting the output of the variable output pump based on the target pump output value, the variable output pump supplying liquid to the fogging array positioned upstream of the combustion turbine;
ameliorating a leakage or blockage condition in the fogging array, wherein ameliorating the presence of the leakage or blockage condition comprises:
actuating a plurality of control valves into a plurality of configurations, each of the plurality of control valves controlling liquid throughput to one or more corresponding nozzles of the fogging array, wherein actuating the plurality of control valves into the plurality of configurations comprises:
actuating the plurality of control valves into a first configuration, of the plurality of configurations, in which a first control valve of the plurality of control valves is closed and a second control valve of the plurality of control valves is open, and
subsequent to actuating the plurality of control valves into the first configuration, actuating the plurality of control valves into a given configuration, wherein in the given configuration the first control valve is open and the second control valve is closed;
for each of the plurality of configurations, comparing an actual pressure value, for the liquid in a conduit between the variable output pump and the fogging array, to an anticipated pressure value,
wherein actuating the plurality of the control valves into the given configuration is based on the comparing for the first configuration indicating that the difference between the anticipated pressure value and the actual pressure value, for the first configuration, fails to satisfy a threshold; and
maintaining the given configuration, of the plurality of configurations, based on the comparing for the given configuration indicating that the difference between the anticipated pressure value and the actual pressure value, for the given configuration, satisfies the threshold.

US Pat. No. 10,557,412

SYSTEMS FOR REDUCING DEFLECTION OF A SHROUD THAT RETAINS FAN EXIT STATORS

UNITED TECHNOLOGIES CORPO...

1. A system for retaining stators of a gas turbine engine having an axis, the outer diameter shroud comprising:an annular body positioned around the axis, extending in an axial direction, and defining a plurality of slots each configured to receive a portion of one of a plurality of stators;
a shroud flange coupled to the annular body, extending in a direction perpendicular to a tangent of the annular body, and configured to be fastened to a case of the gas turbine engine; and
a stator being double potted and having an outer diameter end configured to be received by one of the plurality of slots defined by the annular body.

US Pat. No. 10,557,411

COMPRESSED AIR ENERGY SYSTEM

1. A compressed air energy system for storing compressed air and extracting energy from the compressed air, the system comprising:an air compressor;
a storage tank connected to the air compressor for receiving compressed air from the air compressor and storing the compressed air;
an energy extraction apparatus configured to extract energy from the compressed air discharged from the storage tank;
a pressure regulator operatively disposed between the storage tank and the energy extraction apparatus, the pressure regulator being configured to control a flow of compressed air from the storage tank toward the energy extraction apparatus;
a first heater configured to add heat to the compressed air at a location between the storage tank and the pressure regulator; and
a second heater configured to add heat to the compressed air at a location between the pressure regulator and the energy extraction apparatus, the second heater being configured to facilitate heat transfer from air discharged by the energy extraction apparatus to the compressed air.

US Pat. No. 10,557,410

APPARATUS AND METHOD FOR ENGINE CLEANING

1. A cleaning machine to clean an engine, where the engine has an oil pump to circulate oil therethrough and an oil drain from which to drain the circulated oil therefrom, said cleaning machine comprising:a source of engine cleaning fluid;
a cleaning fluid pump lying in fluid communication with said source of engine cleaning fluid to pump the engine cleaning fluid from said source;
a cleaning fluid inlet line extending between said cleaning fluid pump and the engine to supply the engine cleaning fluid being pumped by said cleaning fluid pump from said source thereof to the engine to flow therethrough;
a cleaning fluid outlet line extending between the engine and said cleaning fluid inlet line such that a first portion of the engine cleaning fluid flowing through the engine is recycled by way of said cleaning fluid outlet line and said cleaning fluid inlet line to the engine by means of the engine oil pump; and
an oil drain outlet line extending between the engine oil drain and said cleaning fluid inlet line by way of said cleaning fluid pump such that a second portion of the engine cleaning fluid flowing through the engine is recycled by way of said oil drain outlet line and said cleaning fluid inlet line to the engine by means of said cleaning fluid pump.

US Pat. No. 10,557,409

HEAT ENGINE COMPRISING A SYSTEM FOR VARYING THE COMPRESSION RATIO

GOMECSYS B.V., Naarden (...

1. A heat engine including a system configured to vary a compression ratio of said engine, said system comprising:a crankshaft having a crankshaft crankpin supported on a crank arm,
at least an eccentric part which is rotatably mounted on the crankshaft crankpin, wherein said eccentric part comprises an external face including an eccentric shape which is intended to cooperate with an end of a connecting rod, as well as at least a gear,
a control device configured to control a rotational position of said eccentric part which comprises an actuating pinion which is mounted on an actuating shaft that passes through the crank arm, wherein said control device further comprises at least a stepped intermediate pinion, which comprises at least a first and a second stage that are each formed by a pinion, wherein the pinion of said first stage meshes with said actuating pinion and the pinion of said second stage meshes with said gear of the eccentric part.

US Pat. No. 10,557,408

METHOD FOR PRODUCING A UNIT CONSISTING OF ECCENTRIC ROD AND PISTON OF A CONNECTING ROD OF AN INTERNAL COMBUSTION ENGINE

Dr. Ing. h.c. F. Porsche ...

1. A method for producing an assembly that includes an eccentric rod and a piston of a connecting rod of an internal combustion engine that has an adjustable compression ratio, the method comprising:providing the eccentric rod having a first end for attachment to an eccentric lever of an eccentric adjusting device of the connecting rod and a second end in the form of a ball head for attachment to a piston having a ball shell segment, the piston configured to be guided in a hydraulic chamber of the connecting rod;
providing the piston which, in the mounted state of the connecting rod, is guided in the hydraulic chamber of the connecting rod;
arranging the ball head of the eccentric rod partially into the ball shell segment of the piston;
introducing an injection-molding tool into the piston by placing the injection-molding tool on a portion of the ball head of the eccentric rod that projects out of the ball shell segment so that the ball head is pressed against the ball shell segment;
displacing at least one of the ball head and the injection molding tool in a defined manner relative to the piston to set a defined gap between the ball head and the ball shell segment;
injection-molding a circumferentially closed retaining ring between the piston, the portion of the ball head of the eccentric rod projecting out of the piston and the injection-molding tool; and
removing the injection-molding tool.

US Pat. No. 10,557,407

ROTARY INTERNAL COMBUSTION ENGINE WITH PILOT SUBCHAMBER

1. A rotary engine comprising:a rotor sealingly received within an internal cavity of an outer body to define a plurality of combustion chambers;
a pilot subchamber located in a wall of the outer body, the pilot subchamber in fluid communication with the internal cavity via at least two spaced apart transfer holes defining a flow restriction between the pilot subchamber and the internal cavity, the pilot subchamber in use in fluid communication with the combustion chambers as the rotor rotates;
a pilot fuel injector in fluid communication with the pilot subchamber;
an ignition element configured for igniting fuel in the pilot subchamber;
a main fuel injector communicating with the internal cavity independently from the pilot subchamber; and
wherein the pilot subchamber has a volume corresponding to from 5% to 25% of a sum of a minimum volume of one of the combustion chambers and the volume of the pilot subchamber.

US Pat. No. 10,557,406

SYSTEM AND METHOD FOR REGULATING COOLANT FLOW THROUGH A CHARGE AIR COOLER OF A VEHICLE

GM GLOBAL TECHNOLOGY OPER...

1. A system comprising:a charge air cooler (CAC) efficiency module configured to determine a maximum efficiency of a charge air cooler that avoids condensation in the charge air cooler;
a coolant flow request module configured to determine a coolant flow request based on:
an outlet temperature of a compressor disposed upstream of a heat exchanger of the charge air cooler; and
the maximum efficiency of the charge air cooler; and
a pump control module configured to control an output of a pump based on the coolant flow request, wherein the pump circulates coolant through a radiator of the charge air cooler and through the heat exchanger of the charge air cooler when the pump is activated, and the heat exchanger is disposed upstream of an intake manifold of an engine.

US Pat. No. 10,557,405

MULTI-STAGE SUPERCHARGING SYSTEM AND DEVICE AND METHOD FOR CONTROLLING THE SAME

Mitsubishi Heavy Industri...

1. A control device of a multi-stage supercharging system, comprising:a parameter acquisition section to acquire a sucked air temperature of a first supercharger, a sucked air humidity of the first supercharger, a sucked air pressure of the first supercharger, a discharge pressure of the first supercharger, and a rotation speed or an air flow rate of the first supercharger;
a water vapor partial pressure computing section to compute a water vapor partial pressure of discharged air of the first supercharger by using the sucked air temperature, the sucked air humidity, the sucked air pressure, and the discharge pressure of the first supercharger;
a target temperature generating section to use the water vapor partial pressure computed by the water vapor partial pressure computing section, the sucked air temperature of the first supercharger, the sucked air pressure of the first supercharger, the discharge pressure of the first supercharger, and either the rotation speed or the air flow rate of the first supercharger, to generate, as a target temperature, a sucked air temperature of a second supercharger such that a condensed water amount present in the sucked air of the second supercharger reaches a predetermined allowable condensed water amount determined by a parameter of the second supercharger; and
a valve opening degree control section which controls an opening degree of a flowrate adjustment valve provided in a coolant line which circulates coolant through an intercooler, the valve opening degree control section configured to adjust the opening degree of the flowrate adjustment valve such that the sucked air temperature of the second supercharger reaches a value equal to or higher than the target temperature.

US Pat. No. 10,557,404

COOLING MODULE

WESTINGHOUSE AIR BRAKE TE...

1. A cooling module comprising:a box-shaped structure comprising at least four sides forming walls of the structure, the walls including at least four sidewalls and a top wall, the walls defining an open portion within the structure, wherein at least one of the sidewalls includes at least one low-temperature heat exchanger circuit and the top wall includes at least one high-temperature heat exchanger circuit that is separate from the at least one low-temperature heat exchanger circuit; and
at least one fan located within the open portion of the structure, wherein the fan is configured to draw air from outside the structure through the at least one low-temperature heat exchanger circuit and redirect the air out of the structure through the at least one high temperature heat exchanger circuit.

US Pat. No. 10,557,403

VENTURI-BASED PURGE VAPOR SUPPLY SYSTEM FOR TURBULENT JET IGNITION ENGINES

FCA US LLC, Auburn Hills...

1. A Venturi-based purge vapor supply system of a turbulent jet ignition (TJI) engine, the system comprising:an air compressor configured to output pressurized air;
a vapor canister configured to store purge vapor evaporated from liquid fuel housed in a fuel tank;
a purge vapor injector configured to directly inject a mixture of air and purge vapor into a pre-chamber of the TJI engine; and
an ejector tee connected between the air compressor, the vapor canister, and the purge vapor injector, the ejector tee having a Venturi-based design such that the pressurized air from the air compressor draws the purge vapor into the ejector tee and combines the air and the purge vapor to form and output the mixture of air and purge vapor to the purge vapor injector.

US Pat. No. 10,557,402

NOISE SUPPRESSION SYSTEMS

KOHLER CO., Kohler, WI (...

1. A generator set comprising:an internal combustion engine;
an enclosure comprising a plurality of exterior side walls defining a perimeter and an internal space, the engine disposed in the internal space; and
an openable cover attached to the enclosure that provides access to the internal space;
at least one exterior side wall of the plurality of exterior side walls comprises a micro-perforated exterior barrier;
wherein the micro-perforated exterior barrier of the at least one exterior side wall comprises a micro-perforated panel including a micro-perforated sheet and an outermost wall of the at least one exterior side wall defining a boundary wall spaced apart from the micro-perforated sheet by an empty gap.

US Pat. No. 10,557,401

THERMAL MANAGEMENT SYSTEMS, COOLANT VALVES AND CONTROL LOGIC FOR VEHICLE POWERTRAINS

GM Global Technology Oper...

1. A thermal management system for a vehicle powertrain, the vehicle powertrain including an oil heater and an engine assembly with an engine block, a cylinder head, and an exhaust manifold, the thermal management system comprising:an electronic heat exchanger configured to actively transfer heat from a coolant fluid to an ambient fluid;
a coolant pump configured to circulate the coolant fluid emitted from the electronic heat exchanger;
a first set of fluid conduits fluidly connecting the coolant pump and the electronic heat exchanger;
a second set of fluid conduits configured to fluidly connect the coolant pump to the engine block, the cylinder head, and the exhaust manifold;
a third set of fluid conduits configured to fluidly connect the engine block, the cylinder head, and the exhaust manifold to the electronic heat exchanger, the coolant pump, and the oil heater;
a first valve assembly interposed within the first set of fluid conduits and operable to regulate coolant fluid flow between the coolant pump and the electronic heat exchanger; and
a second valve assembly interposed within the third set of fluid conduits and operable to regulate coolant fluid flow, individually and jointly, between the engine block, the cylinder head, the exhaust manifold, the electronic heat exchanger, the coolant pump, and the oil heater, the second valve assembly including a second body with a first inlet port configured to fluidly connect to the exhaust manifold, a second inlet port configured to fluidly connect to the cylinder head, and a third inlet port configured to fluidly connect to the engine block.

US Pat. No. 10,557,400

COOLING APPARATUS OF INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. A cooling apparatus for cooling a cylinder head and a cylinder block of an internal combustion engine by cooling water, the cooling apparatus comprising:a pump for circulating the cooling water;
a first water passage formed in the cylinder head;
a second water passage formed in the cylinder block;
a third water passage for connecting a first end of the first water passage to a pump discharging opening of the pump, the cooling water being discharged from the pump via the pump discharging opening;
a normal flow connection water passage for connecting a first end of the second water passage to the pump discharging opening;
an opposite flow connection water passage for connecting the first end of the second water passage to a pump suctioning opening of the pump, the cooling water being suctioned into the pump via the pump suctioning opening;
a switching part for switching a cooling water flow between a flow of the cooling water through the normal flow connection water passage and a flow of the cooling water through the opposite flow connection water passage;
a fourth water passage for connecting a second end of the first water passage to a second end of the second water passage;
fifth and sixth water passages for connecting the fourth water passage to the pump suctioning opening, respectively;
a radiator provided at the fifth water passage for cooling the cooling water;
a heat exchanger provided in the sixth water passage for exchanging heat with the cooling water;
a first shut-off valve for shutting off and opening the fifth water passage, the first shut-off valve shutting off the fifth water passage when the first shut-off valve is set to a closed position, the first shut-off valve opening the fifth water passage when the first shut-off valve is set to an open position;
a second shut-off valve for shutting off and opening the sixth water passage, the second shut-off valve shutting off the sixth water passage when the second shut-off valve is set to a closed position, the second shut-off valve opening the sixth water passage when the second shut-off valve is set to an open position; and
an electronic control unit for controlling activations of the pump, the switching part, the first shut-off valve, and the second shut-off valve,
the cooling water flowing through the normal flow connection water passage when the switching part performs a normal flow connection operation while the pump is activated,
the cooling water flowing through the opposite flow connection water passage when the switching part performs an opposite flow connection operation while the pump is activated,
the electronic control unit being configured to:
activate the pump, set the first shut-off valve to the open position, and perform the normal flow connection operation when an engine temperature is equal to or higher than a completely-warmed temperature at which a warming of the internal combustion engine is estimated to be completed; and
activate the pump and set the second shut-off valve to the open position when a supply of the cooling water to the heat exchanger is requested,
wherein the electronic control unit is configured to activate the pump, set the first shut-off valve to the closed position, set the second shut-off valve to the open position, and perform the opposite flow connection operation when the engine temperature is in a predetermined temperature range defined by upper and lower limit temperatures lower than the completely-warmed temperature, and the supply of the cooling water to the heat exchanger is requested.

US Pat. No. 10,557,399

METHODS AND SYSTEMS FOR A VENTILATING ARRANGEMENT

Ford Global Technologies,...

1. A liquid-cooled internal combustion engine comprising at least one cylinder head comprising at least one cylinder; an intake system shaped to supply air, the intake system comprising an inlet manifold laterally adjoining the at least one cylinder head and comprising a plenum chamber, from which at least one cylinder intake line branches off for each cylinder; and a liquid-type cooling arrangement comprises a cooling circuit equipped with a pump for conveying a coolant and with a ventilation vessel, the ventilation vessel is fluidly coupled to the cooling circuit of the internal combustion engine via a ventilation line and a return line, and the return line directly connects the ventilation vessel to a pump; wherein the ventilation vessel is arranged above the inlet manifold and between the inlet manifold and the at least one cylinder head, a virtual connecting line extending from the plenum chamber and the at least one cylinder head intersects the ventilation vessel.

US Pat. No. 10,557,398

EXHAUST PIPE STRUCTURE FOR INTERNAL COMBUSTION ENGINE

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

1. An exhaust pipe structure for an internal combustion engine in which a tubular exhaust purifying catalyst device including an exhaust purifying catalyst is disposed in a vicinity of the internal combustion engine within an engine room, the exhaust pipe structure comprising:an exhaust pipe main part which curves from a side of the internal combustion engine and extends towards an end of the exhaust purifying catalyst device in a center axis line direction of the exhaust purifying catalyst device; and
an exhaust pipe introduction part that connects the exhaust pipe main part and the end of the exhaust purifying catalyst device, and introduces exhaust gas from the exhaust pipe main part into the exhaust purifying catalyst device,
wherein the exhaust pipe main part is disposed so that a center of an exhaust inlet on the side of the internal combustion engine is offset from the center axis line of the exhaust purifying catalyst device when viewed from a side of the exhaust inlet, and an end of the exhaust pipe main part on a side of the exhaust purifying catalyst device is connected to an outer circumferential side of the exhaust pipe introduction part,
wherein the exhaust pipe introduction part has a space from an end face of the end of the exhaust purifying catalyst device, and extends obliquely to the side of the exhaust purifying catalyst device from the end of the exhaust pipe main part on the side of the exhaust purifying catalyst device until an outer circumferential end of the exhaust purifying catalyst device,
wherein the exhaust pipe introduction part extends obliquely to the side of the exhaust purifying catalyst device in a spiral shape, from one outer circumferential side at which the end of the exhaust pipe main part on the side of the exhaust purifying catalyst device is connected towards another outer circumferential side thereof opposing the one outer circumferential side along a circumferential direction thereof, and there arranged a detection element of an exhaust sensor at a boundary area between the exhaust pipe main part and the exhaust pipe introduction part, and
wherein an end of the detection element of the exhaust sensor is located at a starting point of the swirl flow generated in the exhaust introduction part.

US Pat. No. 10,557,397

ASYNCHRONOUS REDUCTANT INSERTION IN AFTERTREATMENT SYSTEMS

Cummins Emission Solution...

1. A system for asynchronously delivering reductant from a reductant storage tank to a first selective catalytic reduction system and a second selective catalytic reduction system included in an aftertreatment system, comprising:a reductant insertion assembly fluidly coupled to the reductant storage tank, the reductant insertion assembly configured to be fluidly coupled to each of the first selective catalytic reduction system and the second selective catalytic reduction system, the reductant insertion assembly including a first injector fluidly coupled to the first selective catalytic reduction system, and a second injector fluidly coupled to the second selective catalytic reduction system; and
a controller communicatively coupled to the reductant insertion assembly, the controller comprising a timing determination module configured to determine:
a first activation time at which the first injector is to be activated,
a first delivery time for which the first injector is to be selectively activated for delivering a first amount of reductant into the first selective catalytic reduction system,
a second activation time at which the second injector is to be activated, and
a second delivery time for which the second injector is to be selectively activated for delivering a second amount of reductant into the second selective catalytic reduction system;
wherein the controller is configured to:
instruct the reductant insertion assembly to insert the first amount of reductant into the first selective catalytic reduction system for the first delivery time and the second amount of reductant into the second selective catalytic reduction system for the second delivery time, such that the controller inserts into only one of the first selective catalytic reduction system or the second selective catalytic reduction system at any given time, wherein the first delivery time is equal to the second delivery time and/or the first amount of reductant is equal to the second amount of reductant.

US Pat. No. 10,557,396

EXHAUST SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. An exhaust system for an internal combustion engine comprising:a supercharger with a turbine that is arranged in an exhaust passage of the internal combustion engine;
an exhaust gas purification catalyst that is arranged in the exhaust passage at a location downstream of the turbine;
a bypass passage that branches from the exhaust passage at a location upstream of the turbine, and merges into the exhaust passage at a location upstream of the exhaust gas purification catalyst, while bypassing the turbine;
a waste gate valve that changes an exhaust gas channel cross section in the bypass passage; and
an exhaust gas sensor that is arranged in a specific passage which is a portion of the exhaust passage between the turbine and the exhaust gas purification catalyst;
wherein the turbine and the exhaust gas purification catalyst are arranged in such a manner that they are in a predetermined proximity state, and that an extension line of an axis of an outlet portion of the turbine intersects an upstream side end face of the exhaust gas purification catalyst, without intersecting a wall surface of the specific passage;
the bypass passage and the waste gate valve are constructed such that a bypass exhaust gas, which is an exhaust gas flowing out from the bypass passage when a degree of opening of the waste gate valve is equal to or larger than a predetermined degree of opening, flows so as to direct to a predetermined portion which is a part of the upstream side end face of the exhaust gas purification catalyst; and
the exhaust gas sensor is arranged to be away, a first distance or more in a direction orthogonal to an axial direction of the exhaust gas purification catalyst, from a region in which the predetermined portion is virtually extended to a side of the specific passage along the axial direction of the exhaust gas purification catalyst.

US Pat. No. 10,557,395

THERMOELECTRIC GENERATING UNIT, THERMOELECTRIC GENERATOR USING THE THERMOELECTRIC GENERATING UNIT, MOUNTING STRUCTURE OF THE THERMOELECTRIC GENERATOR, AND EXHAUST DUCT AND ENGINE INCLUDING THE MOUNTING STRUCTURE

YANMAR CO., LTD, Osaka (...

1. A thermoelectric generator comprising:one or more thermoelectric generating units, each thermoelectric generating unit of the one or more thermoelectric generating units comprising:
a thermoelectric transducer that comprises:
a cooling part on a cold side of the thermoelectric transducer; and
a heating part on a hot side of the thermoelectric transducer for supplying steam of a heating medium, and which is configured to generate electric power by a temperature difference between the cold side and the hot side,
wherein the heating part comprises:
a plate-like hollow member provided along a hot-side surface of the thermoelectric transducer, the plate-like hollow member forming a plate-like cavity inside; and
a tubular member having two open ends being positioned distantly from each other and connected to the plate-like hollow member, the tubular member forming a tubular cavity communicating the plate-like cavity with the two open ends, the tubular member heated from outside by a hot fluid, and
wherein the plate-like cavity and the tubular cavity form a circulation path in which a heating medium charged in the cavities circulates.

US Pat. No. 10,557,394

EXHAUST HEAT RECOVERY DEVICE HAVING AN IMPROVED TIGHTNESS

1. A recovery device to recover exhaust heat, the recovery device extending between an exhaust gas inlet and a gas outlet, and including:a valve defining a direct gas passage between the exhaust gas inlet and the gas outlet, the valve comprising a valve body including the gas outlet and housing a gate movable around a pivot link between a closing off position and a released position of the direct gas passage; and
a heat exchanger comprising an exchanger inlet communicating with the valve upstream from the gate, and an exchanger outlet communicating with the valve downstream from the gate, wherein:
the valve includes a tube comprising the exhaust gas inlet, the tube extending partially inside the valve body up to a distal end mouth edge of the tube, the distal end mouth edge extending in a plane,
the gate has a planar contact surface intended to come into direct contact with the distal end mouth edge of the tube when the gate is in the closing off position,
the gate includes a riser, and
wherein the riser is configured to obstruct the exchanger outlet when the gate is in the released position, the exchanger outlet being provided with an adjusted ring reducing a space available for the exhaust gas at the exchanger outlet when the gate is in the released position.

US Pat. No. 10,557,393

POROUS MATERIAL, HONEYCOMB STRUCTURE, AND METHOD OF PRODUCING POROUS MATERIAL

NGK Insulators, Ltd., Na...

1. A porous material comprising:aggregate particles including particle bodies; and
a binding material that contains cordierite and zircon particles and binds said aggregate particles together in a state where pores are formed,
wherein an oxide film is provided on or around surfaces of the particle bodies, and
wherein a major axis of said zircon particles is greater than or equal to 2.0 ?m.

US Pat. No. 10,557,392

EMISSION CONTROL SYSTEM WITH TEMPERATURE MEASUREMENT AND METHODS FOR USE THEREWITH

Advanced Technology Emiss...

1. An emission control system comprising:an emission control device having a plurality of passages to facilitate emission control of an exhaust gas from a vehicle engine;
a controller that operates by:
determining a resonant frequency of a coil; and
generating a control signal to control induction heating of the emission control device based on the resonant frequency of the coil, wherein generating the control signal includes determining a temperature of the emission control device based on a temperature hysteresis curve and the resonant frequency of the coil, and wherein the temperature hysteresis curve has a first temperature value and a second temperature value for a value of the resonant frequency of the coil; and
an alternating current (AC) source that responds to the control signal by selectively generating a power signal to the coil to facilitate the induction heating of the emission control device via the coil.

US Pat. No. 10,557,391

INCINERATION SYSTEM AND PROCESS

ADVANCED COOLING TECHNOLO...

1. An incineration system comprising:an inlet channel supplying an inlet stream comprising a waste gas containing at least one volatile organic compound;
a waste gas sensor measuring at least one property of the waste gas;
an oxidizing gas supply controllably providing oxidizing gas to the inlet channel;
an incinerator receiving the inlet stream from the inlet channel, the incinerator comprising:
a spiral heat exchanger defining a substantially cylindrical reaction zone having a central axis and opposed first and second ends, an incoming path from the inlet channel at the first end to the reaction zone, and an outgoing path at the second end from the reaction zone to an exhaust channel, wherein the incoming path and the outgoing path extend in alternating concentric spirals about the reaction zone with the incoming path being countercurrent to the outgoing path;
an ignitor initiating combustion of the inlet stream in the reaction zone of the incinerator; and a controller receiving data from the waste gas sensor and controlling flow of oxidizing gas from the oxidizing gas supply into the inlet channel;
wherein the incoming path supplies the inlet stream to the reaction zone at a reaction zone inlet at the first end of the reaction zone and the outgoing path receives the exhaust stream from the reaction zone at a reaction zone outlet at the second end of the reaction zone opposite the first end such that the flow through the reaction zone is in the axial direction with respect to the spiral.

US Pat. No. 10,557,390

HONEYCOMB FILTER

NGK Insulators, Ltd., Na...

1. A honeycomb filter, comprising:a honeycomb structure which has porous partition walls disposed so as to surround a plurality of cells as through channels of fluid extending from an inflow end face to an outflow end face; and
plugging portions disposed to plug either one of end portions of each of the cells on the side of the inflow end face or the side of the outflow end face,
wherein the cells in which the plugging portions are arranged in the end portion on the side of the outflow end face and which are opened on the side of the inflow end face are defined as inflow cells,
the cells in which the plugging portions are arranged in the end portion on the side of the inflow end face and which are opened on the side of the outflow end face are defined as outflow cells,
the honeycomb structure further includes a platinum group element-containing catalyst layer constituted by an exhaust gas purifying catalyst containing a platinum group element and a trapping layer which traps particulate matter in exhaust gas,
the platinum group element-containing catalyst layer is disposed at least on an entire surface of a side of an inner surface of the partition walls surrounding either one of the inflow cells or the outflow cells,
the platinum group element-containing catalyst layer is present only on a side of a surface of the partition walls in a thickness direction of the partition walls,
the trapping layer does not contain a platinum group element,
the trapping layer is disposed on a side of a second surface positioned on an opposite side of a first surface of the partition walls having the platinum group element-containing catalyst layer disposed on the entire surface thereof, and
the trapping layer is disposed in a range of at least up to 50% with respect to an overall length of the honeycomb structure starting from the outflow end face and is not disposed in a range of at least up to 40% with respect to the overall length starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.

US Pat. No. 10,557,389

GASKET FOR A VALVE OF AN INTERNAL COMBUSTION ENGINE

FREUDENBERG SEALING TECHN...

1. A gasket for a valve of an internal combustion engine; said valve comprising a guide element defining a through seat, and a mobile stem sliding in said seat; said gasket having a central axis and comprising:an elastically deformable sealing element, having an annular shape with respect to said axis (A) and adapted to be arranged externally on said valve to cooperate both with said guide element and with said stem; and
a support element having an annular shape with respect to said axis (A), coaxially arranged on at least part of said sealing element so that said sealing element is radially pressed between said support element and said valve;
wherein said support element comprises:
a first annular component, internally cooperating with at least one portion of said sealing element;
a second annular component, distinct from said first component, mounted coaxially and in a radially outermost position on said first component and configured to arrange said gasket to be used on said engine; and
snap coupling means between said first and second components;
wherein said second component comprises a substantially cylindrical or frustoconical main body surrounding said first component, and an annular flange radially projecting outwards from one end of said main body and adapted to be mounted in a fixed position with respect to said valve;
wherein said main body of said second component has, in a position axially spaced from said flange, an annular edge radially projecting towards said axis (A) and defining an axial abutment for an interaction portion of said first component; and wherein said snap coupling means comprises two or more hooking projections angularly equidistant about said axis (A), cantileverly extending from said annular edge towards said flange within respective windows of said main body and cooperating in contact with said first component to abuttingly keep it against said annular edge.

US Pat. No. 10,557,388

ENGINE EXHAUST VALVE FOR LARGE SHIP AND METHOD FOR MANUFACTURING THE SAME

DAIDO STEEL CO., LTD., N...

1. A method for manufacturing an exhaust valve of a diesel engine for a ship, the exhaust valve comprising a shaft part and an umbrella part that are integrated with each other and include an Ni—Cr—Al system Ni-base age-precipitated alloy, wherein the method comprises:vacuum melting a raw material to obtain a steel ingot;
obtaining a billet for a forge working from the steel ingot;
subjecting the billet to an aging heat treatment to form an overaged state so as to give a layered structure containing a layer including an ?-Cr phase having a thickness of 150 nm or more;
forge-working the billet in an integrated state of the shaft part and the umbrella part; and
an adjusting heat treatment to provide a hardness of 600 HV or less as a whole while maintaining the thickness of the layer formed of the ?-Cr phase,
wherein the vacuum melting, the obtaining the billet, and the aging heat treatment are conducted while maintaining a temperature to at least 600° C. or higher, and
wherein the alloy includes a component composition comprising, in mass %:
essential elements of:
Cr: 32% to 50%,
Al: 0.5% to 10.0%; and
Fe: 0.1% to 20.0%;
optional elements of:
Si: 5% or less;
B: 0.01% or less;
C: 0.1% or less;
Cu: 5% or less;
Ti: 0.1% or less;
Nb: 0.1% or less;
Ta: 0.1% or less; and
V: 0.1% or less,
with a proviso that Ti+Nb+Ta+V is 0.1% or less; and
a balance being unavoidable impurities and Ni.

US Pat. No. 10,557,387

INTERNAL COMBUSTION ENGINE COMPRISING A VALVE TRAIN WITH VALVE SPRINGS AND METHOD FOR MOUNTING SUCH A VALVE SPRING

Ford Global Technologies,...

1. An internal combustion engine, comprising:at least one cylinder head comprising at least one cylinder, where each cylinder has at least one outlet opening for discharging exhaust gases via an exhaust gas discharge system and at least one inlet opening for supplying fresh air via an intake system, where, for each outlet and inlet opening, a poppet valve of a valve train and a valve-actuating device included with a camshaft is provided for actuating the poppet valve, and
where each poppet valve has a valve stem on an end of a cylinder side, facing the at least one cylinder where a valve retainer corresponding to the at least one outlet opening or the at least one inlet opening is arranged, and where each poppet valve has an end on a valve train side which faces the valve-actuating device, with each poppet valve mounted so as to be translationally movable in a corresponding sleeved valve stem guide so that on actuation and with the camshaft rotating, each poppet valve executes an oscillating stroke movement in a direction of its longitudinal axis between a valve closing position and a valve opening position in order to open and block a corresponding outlet or inlet opening, wherein each poppet valve includes a coil spring as a valve spring which pretensions the poppet valve in a direction of the valve closing position; and
wherein each coil spring comprises several windings and rests on the cylinder side on the at least one cylinder head and on the valve train side on the valve stem, wherein a groove is provided running around the valve stem, wherein a last winding of the coil spring on the valve train side engages the groove, so that a form-fit connection is created between the valve stem and the last winding.

US Pat. No. 10,557,386

VALVE TIMING CONTROLLER

DENSO CORPORATION, Kariy...

1. A valve timing controller provided in a power transmission path between a driving shaft and a driven shaft of an internal combustion engine to control a valve timing of an intake valve or an exhaust valve, the valve timing controller comprising:a drive unit outputting a rotational power;
a first rotating body provided on a rotation axis of one of the driving shaft and the driven shaft to rotate synchronously with another of the driving shaft and the driven shaft;
a second rotating body provided to an end portion of the one of the driving shaft and the driven shaft to rotate along with the one of the driving shaft and the driven shaft;
a relative rotating portion provided in the first rotating body between the drive unit and the second rotating body, the relative rotating portion configured to move relative to the first rotating body in an axial direction, the relative rotating portion transmitting the rotational power between the first rotating body and the second rotating body, the relative rotating portion varying a relative rotation phase between the first rotating body and the second rotting body; and
a joint connecting the drive unit and the relative rotating portion; wherein
the joint includes:
a rotation transmitting portion which abuts on the relative rotating portion in a circumferential direction, and
a stopper portion which abuts on the relative rotating portion in the axial direction to restrict an axial position of the relative rotating portion.

US Pat. No. 10,557,385

ENGINE VARIABLE CAMSHAFT TIMING PHASER WITH PLANETARY GEAR ASSEMBLY

BorgWarner Inc., Auburn ...

1. An engine variable camshaft timing phaser (10), comprising:a planetary gear assembly (14) comprising:
at least two ring gears (26, 28), a first ring gear of said at least two ring gears (26, 28) receiving rotational drive input and one of said at least two ring gears (26, 28) transmitting rotational drive output to an engine camshaft;
a plurality of planet gears (24) engaged with said at least two ring gears (26, 28);
a sun gear (22) engaged with said plurality of planet gears (24); and
a wrap spring (76) having a pair of ends (82, 84), said wrap spring (76) interrelated with said sun gear (22) for causing abutment with one of said pair of ends (82, 84) and expansion or contraction exertions of said wrap spring (76);
wherein, when said planetary gear assembly (14) is driven by an electric motor (32), abutment with one of said pair of ends (82, 84) permits relative rotation between said first ring gear and the engine camshaft for advancing or retarding engine valve opening and closing, and when said planetary gear assembly (14) is back-driven by the engine camshaft, abutment with one of said pair of ends (82, 84) prevents relative rotation between said first ring gear and the engine camshaft to preclude advancing or retarding engine valve opening and closing.

US Pat. No. 10,557,384

COUPLING FOR A CAMSHAFT PHASER ARRANGEMENT FOR A CONCENTRIC CAMSHAFT ASSEMBLY

1. A camshaft phaser arrangement configured for a concentric camshaft assembly having inner and outer camshafts, the camshaft phaser arrangement comprising:a first camshaft phaser configured to be connected to one of the inner or outer camshafts;
a second camshaft phaser configured to be connected to the other of the inner or outer camshafts;
the first camshaft phaser axially adjacent to the second camshaft phaser; and,
a coupling arranged to torsionally connect the first camshaft phaser to the second camshaft phaser, the coupling comprising:
a coupling ring having:
at least one first radial slot configured to: (1) connect the coupling ring to one of the first or second camshaft phaser and, (2) provide for a first radial movement between the first camshaft phaser and the second camshaft phaser; and,
at least one second radial slot configured to provide for: (1) a second radial movement between the first camshaft phaser and the second camshaft phaser, and (2) an axial movement between the first camshaft phaser and the second camshaft phaser; and,
at least one coupling pin, a first end received by the at least one second radial slot, and a second end connected to the other of the first or second camshaft phaser.

US Pat. No. 10,557,383

CAM PHASING SYSTEMS AND METHODS

HUSCO Automotive Holdings...

1. A cam phasing system configured to vary a rotational relationship between a camshaft and a crankshaft of an internal combustion engine, the cam phasing system comprising:a sprocket hub configured to be coupled to the crankshaft;
a cradle rotor configured to be coupled to the camshaft, wherein the cradle rotor includes a helical slot; and
an input rod including a helical protrusion, wherein the helical protrusion is configured to interact with the helical slot to vary a rotational relationship between the camshaft and the crankshaft; and
a compliance mechanism coupled between the input rod and an actuator and including a spring arranged to apply and maintain a force on the input rod in response to an input force being applied to the compliance mechanism by the actuator, and
wherein the interaction between the helical protrusion and the helical slot is configured to frictionally lock the cradle rotor to the input rod during rotary torque events.

US Pat. No. 10,557,382

VALVE CLEARANCE SETTING AND ADJUSTMENT SYSTEMS AND RELATED METHODS

12. A valve-clearance setting and adjustment system for establishing and adjusting a valve clearance gap with a valve adjustment screw disposed in a rocker arm, wherein the rocker arm has a first end and a second end, and opposing top and bottom surfaces each extending from the first end to the second end, wherein a portion of the bottom surface faces a valve stem, wherein the valve clearance gap is located between the valve stein and an opposing surface, the system comprising:a shim; and
a locking mechanism designed and configured to be received on the valve adjustment screw and to lock the shim in place between the locking mechanism and the top surface of the rocker arm;
wherein the shim has a thickness substantially equal to a predetermined size of the valve clearance gap.

US Pat. No. 10,557,381

CLAMPING NEST HAVING FIXING ELEMENTS

THYSSENKRUPP PRESTA TECCE...

1. A clamping nest for positioning a component on a shaft and joining it thereto, comprising: a fork-shaped clamping fixture, comprising: a fork-shaped fixed base having a first bearing surface disposed thereon; and a fork-shaped adjustable slide operably coupled to said fixed base and having a second bearing surface disposed thereon, said first bearing surface facing said second bearing surface, and an open cavity defined therebetween for accommodating the component, said first and second bearing surfaces together being configured to secure the component therebetween such that the component is fixed axially in position in said clamping fixture; and a plurality of clamping elements disposed between said fixed base and said adjustable slide and configured to move with respect to said fixed base in a radial direction between a closed position and an open position to fix a rotational position of the component.

US Pat. No. 10,557,380

HIGH EFFICIENCY POWER GENERATION APPARATUS, REFRIGERATION/HEAT PUMP APPARATUS, AND METHOD AND SYSTEM THEREFOR

1. A system for recycling heat or energy of a working medium of a heat engine for producing mechanical work or other forms of energy, comprising:a first heat exchanger for transferring heat from a working medium output from an energy extraction device to a heating agent to vaporize the heating agent;
a second heat exchanger for transferring further heat to the vaporized heating agent;
a compressor coupled to the second heat exchanger, the compressor configured to compress the further-heated heating agent; and
one or more outputs from the compressor,
wherein the one or more outputs are divided into a first stream and a second stream,
wherein the first stream is coupled to a third heat exchanger for transferring heat from the compressed heating agent to the working medium, and
wherein the second stream is coupled to the second heat exchanger for transferring further heat to the vaporized heating agent.

US Pat. No. 10,557,379

CONTROL VALVE CONTROL METHOD AND CONTROL DEVICE, AND POWER GENERATING PLANT UTILIZING SAME

Kabushiki Kaisha Toshiba,...

5. A control device for a control valve comprising:a first input device for a set value;
a second input device for a process value;
a controller outputting, based on the set value and the process value received from the respective input devices, an open level instruction value to a control valve so as to make the process value approach the set value in accordance with a predetermined sampling cycle, the controller decreasing the open level instruction value to the control valve when the set value increases to a certain value; and
a corrector correcting the set value from the input device to decrease the open level instruction value when the open level instruction value from the controller exceeds a predetermined value.

US Pat. No. 10,557,378

SYSTEM AND METHOD FOR REGULATING CONDENSATION OF FLUE GAS IN A STEAM GENERATOR

GENERAL ELECTRIC TECHNOLO...

1. A system for regulating condensation of a flue gas in a steam generator, the system comprising:a temperature controller configured to control a temperature of a component of the steam generator, the temperature controller comprising a heater in heating contact with a working medium of the steam generator, the component being in heating-contact with the flue gas;
a flue gas analyzer configured to communicate with the temperature controller and to obtain a measurement of an amount of an acid-forming compound in the flue gas, wherein the flue gas analyzer is further configured to obtain the measurement of the amount of the acid-forming compound at a predetermined location where the flue gas has a temperature between 400° C. and 800° C.; and
wherein the temperature controller adjusts the temperature of the component based at least in part on the measurement such that the temperature of the component is above an acid dew point of the flue gas when the component is in heating-contact with the flue gas.

US Pat. No. 10,557,377

TURBOCHARGER

IHI Corporation, Koto-ku...

1. A turbocharger comprising:a housing;
a bearing disposed in the housing and having a thrust bearing surface;
a partition wall portion assembled to the housing, the partition wall portion including an inclined surface positioned on an outer side in a radial direction of the thrust bearing surface, extending at least vertically above the thrust bearing surface, and inclined with respect to a direction perpendicular to an axial direction of a shaft; and
a groove formed in the housing and facing the inclined surface in the axial direction of the shaft.

US Pat. No. 10,557,376

TURBINE ENGINE UNIT FOR LUBRICATING A BEARING HOLDER

SAFRAN AIRCRAFT ENGINES, ...

1. A turbine engine unit comprising:an inter-turbine housing comprising:
a hub comprising a bearing holder,
a ferrule extending around and at a distance from the hub,
at least one arm extending radially between the hub and the ferrule,
at least one lead-through for lubricating the bearing holder, the lead-through comprising to first pipe having:
an end portion that can be screwed to the hub to put the first pipe into fluid communication with the bearing holder,
an intermediate portion attached to the end portion placed inside the arm when the end portion is screwed to the hub,
tightening portion attached to the end portion and suitable to be driven in rotation by a gripping tool,
wherein the fact that the tightening portion is situated between the end portion that can be screwed and the intermediate portion.

US Pat. No. 10,557,375

SEGREGATED COOLING AIR PASSAGES FOR TURBINE VANE

United Technologies Corpo...

1. An airfoil for a gas turbine engine comprising:a cavity including an internal surface of an outer wall, the outer wall includes a plurality of film cooling holes communicating air from the first passage to an outer surface of the outer wall;
a baffle disposed within the cavity and spaced apart from the internal surface, the baffle includes a plurality of impingement openings communicating airflow into the first passage, wherein the impingement openings direct airflow from the baffle against the internal surface; and
a partition disposed between the baffle and the internal surface to divide a space between the baffle and the internal surface into at least a first passage and a second passage, wherein the partition extends from a root of the airfoil to a tip and air within the first passage is not communicated to the second passage, wherein the baffle includes at least one bleed air opening communicating airflow into the second passage and is without impingement cooling openings that communicate airflow into the second passage.

US Pat. No. 10,557,374

GAS TURBINE AND METHOD FOR PROTECTING A GAS TURBINE IN CASE OF A SHAFT BREAK

13. A method for protecting a gas turbine in case of a main shaft break, wherein the gas turbine includes a turbine, a compressor arranged upstream of the turbine, and the main shaft extending in an axial direction and connecting the turbine to the compressor, comprising:providing a first shaft section that is connected to the compressor and a second shaft section that is connected to the turbine, the first shaft section and the second shaft section extending coaxially with respect to the main shaft and being separated from each other by a gap at mutually facing ends thereof, and, at their mutually facing ends, having mutually corresponding structures, and wherein
upon breaking of the main shaft, providing that the mutually corresponding structures of the mutually facing ends of the first and second shaft sections come into interaction with each other as a result of differing rotational speeds of the first and second shaft sections that cause application of a force in the axial direction to the turbine and a force counter to the axial direction to the compressor such that the first and second shaft sections are moved away from each other.

US Pat. No. 10,557,373

LOW PROFILE EMBEDDED BLADE TIP CLEARANCE PROBE ASSEMBLY

UNITED TECHNOLOGIES CORPO...

1. A low profile embedded blade tip clearance (BTC) probe, comprising:a housing defining a cavity therewithin;
a lower insulator disposed within the cavity;
a sensor element disposed within the cavity;
an upper insulator disposed within the cavity;
a cap wherein the cap fills a remainder of the cavity; and
a hard lead in electronic communication with the sensor element and the housing,
wherein the upper insulator comprises a first alignment hole and a clearance cutout, and
wherein the cap comprises disk having an upper surface and a lower surface, a second alignment hole through the upper surface and the lower surface, and a hemispherical clearance cutout proximate the lower surface, wherein the lower surface is in contact with the upper insulator.

US Pat. No. 10,557,372

SYSTEMS AND METHODS FOR ASSESSING STRAIN OF COMPONENTS IN TURBOMACHINES

General Electric Company,...

1. A system for assessing strain of a rotating component in a turbomachine, the system comprising:a passive strain indicator comprising at least two reference points disposed on a surface of the rotating component; and
a data acquisition device connected to a stationary nozzle of the turbomachine adjacent the rotating component having the passive strain indicator, the data acquisition device comprising an image capture device and a computing device in communication with the image capture device, the image capture device comprising an optical system, a camera lens having a field of view, and a light source positioned to direct light onto the passive strain indicator;
wherein the field of view is positioned to at least periodically capture the passive strain indicator on the component, when the component is in situ within a casing of the turbomachine; and
wherein the computing device is configured to analyze images of the passive strain indicator and determine whether the rotating component has experienced strain.

US Pat. No. 10,557,371

GAS TURBINE ENGINE VARIABLE VANE END WALL INSERT

United Technologies Corpo...

1. A variable vane assembly for a gas turbine engine comprising:a case having a bore and a recess, the case providing a first portion of a flow path surface;
a vane includes a journal extending along an axis from a vane end and received in the bore; and
an insert arranged in the recess and providing a second portion of the flow path surface adjacent to the first flow path surface, the insert includes a pocket that slidably receives the vane end, the vane end is configured to move axially relative to the insert, wherein the insert includes opposing sides, and the pocket is provided on one side, and a neck is provided on the other side and includes an aperture through which the journal extends, the neck has a portion that extends radially inward into the aperture to provide a first face, and the journal includes a collar that provides a second face, a spring is arranged between the first and second faces and is configured to bias the insert and the vane end apart from one another.

US Pat. No. 10,557,370

VALVE SYSTEM AND STEAM TURBINE

MITSUBISHI HEAVY INDUSTRI...

1. A valve system, comprising:a valve device comprising a flow path and a valve body that opens and closes the flow path; and
a drive mechanism that drives the valve body,
wherein the drive mechanism comprises:
a cylinder case;
a cylinder chamber that extends in an axis direction and is formed inside the cylinder case;
a piston that divides the cylinder chamber into a first chamber on a first side in the axis direction and a second chamber on a second side in the axis direction;
an inflow port through which working fluid flows to the inside of the first chamber;
an elastic member disposed inside the second chamber and that pushes the piston to the first side;
a bypass passage that connects the first chamber and the second chamber; and
an on-off valve that opens and closes the bypass passage,
wherein in the valve device,
when the piston moves to the first side, the valve body closes the flow path, and
when the piston moves to the second side, the valve body opens the flow path, and
wherein the bypass passage connects the first chamber to a position on the second side with respect to a position of the piston in the axis direction when the valve device is in a fully open state.

US Pat. No. 10,557,369

DRAIN FOR A PRESSURE SENSING LINE

ROLLS-ROYCE plc, London ...

1. A drain for a pressure sensing line, the drain comprising a tube including a plurality of restrictors in flow series,wherein each restrictor comprises a constriction whose internal diameter is less than the internal diameter of the tube, and
wherein the last restrictor in flow series has a greater length in the flow direction than the other restrictors, the last restrictor has a length I2 and the other restrictors each have a length I1 in the flow direction, and I2 is between seven and eight times I1.

US Pat. No. 10,557,368

GAS TURBINE ENGINE RAPID RESPONSE CLEARANCE CONTROL SYSTEM WITH VARIABLE VOLUME TURBINE CASE

United Technologies Corpo...

1. An active clearance control system of a gas turbine engine comprising:a radially adjustable blade outer air seal system disposed radially inside of an engine case of the gas turbine engine, the radially adjustable blade outer air seal system defining an annular space between the radially adjustable blade outer air seal system and the engine case, the radially adjustable blade outer air seal system movable between a radially contracted Blade Outer Air Seal position that defines a first air volume of the annular space and a radially expanded Blade Outer Air Seal position that defines a second air volume of the annular space, the second air volume different than the first air volume;
an actuator in communication with the radially adjustable blade outer air seal system and configured to move the radially adjustable blade outer air seal system between the radially contracted Blade Outer Air Seal position and the radially expanded Blade Outer Air Seal position; and
an accumulator system comprising a pneumatic cylinder and a piston disposed within the pneumatic cylinder, the piston in fluid communication with the annular space and movable between a first position corresponding to the first air volume and a second position corresponding to the second air volume;
wherein the accumulator system accommodates a difference in air volume between the first air volume and the second air volume.

US Pat. No. 10,557,367

ACCESSIBLE RAPID RESPONSE CLEARANCE CONTROL SYSTEM

United Technologies Corpo...

1. An active clearance control system for a gas turbine engine, comprising:an actuator; and
a case portion defining an aperture configured to receive the actuator, wherein the actuator is configured to move an air seal segment, and the actuator is insertable to an installed position within the aperture through a radially outer side of the case portion,
wherein, when in the installed position, the actuator is moveable between a radially inner position and a radially outer position, and the actuator is configured to move to the radially outer position in response to an increase in pressure in an area radially within the case portion,
wherein the actuator is configured to be moved from the installed position to an uninstalled position without accessing a region that is radially inside the case portion, the actuator at least partially received within the aperture of the case portion when the actuator is in the installed position, the actuator configured to be withdrawn from the aperture when in the uninstalled position,
wherein the actuator includes a pedestal and a neck, the neck positioned within the aperture when the actuator is in the installed position, the neck extending from the pedestal to an air seal when the actuator is in the installed position,
wherein the case portion includes a case wall portion and an extension from the case wall portion, wherein the area radially within the case wall portion is radially between the case wall portion and the pedestal, wherein the area radially within the case portion is within the extension of the case portion.

US Pat. No. 10,557,366

BOAS HAVING RADIALLY EXTENDED PROTRUSIONS

UNITED TECHNOLOGIES CORPO...

1. A blade outer air seal, comprising:a plurality of arcuate segments, wherein a first arcuate segment of the plurality of arcuate segments comprises:
a first wall located at an aft end of the first arcuate segment, the first wall comprising a first radially extending protrusion located at a first circumferential end of the first wall, a second radially extending protrusion located at a second circumferential end of the first wall opposite the first circumferential end, and a plurality of third radially extending protrusions disposed between the first radially extending protrusion and the second radially extending protrusion, wherein a radial height of the first radially extending protrusion and the second radially extending protrusion as measured from a radially inward surface of the first arcuate segment is greater than a radial height of the third radially extending protrusions as measured from the radially inward surface of the first arcuate segment;
a first hook extending aft from the first wall, wherein a radially outward surface of the first hook is radially inward of a midpoint of the first wall, the midpoint of the first wall being located halfway between the radially inward surface of the first arcuate segment and a radially outward surface of the third radially extending protrusions; and
a first gusset extending from the first radially extending protrusion.

US Pat. No. 10,557,365

CERAMIC MATRIX COMPOSITE BLADE TRACK WITH MOUNTING SYSTEM HAVING REACTION LOAD DISTRIBUTION FEATURES

Rolls-Royce Corporation, ...

1. A turbine shroud segment adapted for use in a gas turbine engine, the turbine shroud segment comprisinga carrier segment comprising metallic materials,
a blade track segment comprising ceramic matrix composite materials, the blade track segment formed to include a runner shaped to extend partway around a central axis and an attachment portion that extends radially outward from the runner, and
a mounting system configured to couple the blade track segment to the carrier segment, the mounting system including a brace formed to include a bracket that engages the attachment portion of the blade track segment and a threaded shaft that extends from the bracket through the carrier segment to couple the blade track segment to the carrier segment,
wherein the bracket of the brace includes a support body from which the threaded shaft extends, a track-location arm that engages the attachment portion of the blade track segment and provide rigid loading points for the blade track segment, and a load-reaction arm that engages the carrier segment, the load-reaction arm arranged to carry reaction loads induced when pressure is applied to push the blade track segment radially inward during use of the turbine shroud segment in a gas turbine engine,
wherein the load-reaction arm includes a cantilevered boom, and
wherein the load-reaction arm includes an engagement pad that extends radially from the cantilevered boom of the load-reaction arm at a location spaced apart from the support body and that directly contacts a radially-inwardly facing surface of the carrier segment.