US Pat. No. 10,711,762

WIND ENERGY SYSTEMS

JMCC Wing, LLC, Wilmingt...

1. A wind energy system, comprising:a support structure;
a hub assembly rotatable in relation to the support structure about an axis of the hub assembly;
a wing structure coupled to the hub assembly and defining an outer periphery, the wing structure rotatable in relation to the support structure and comprising:
a plurality of full-length wings extending between the hub assembly and the outer periphery; and
a plurality of segmental wings that are radially shorter than the full-length wings, individual ones of the segmental wings interspersed between adjacent pairs of the full-length wings;
a cylindrical annular rim extending around the outer periphery of the wing structure;
a first set of radial members extending from the hub assembly to the cylindrical annular rim; and
a second set of radial members extending from the hub assembly to the cylindrical annular rim, the second set of radial members being spaced apart from the first set of radial members along the axis of the hub assembly to define a space in which the wing structure is positioned.

US Pat. No. 10,711,761

HYDROKINETIC POWER SOURCE

1. A system, comprising:a body having at least two surfaces, the body configured to be located at least partially below a surface of a body of water moving in a first direction; and
a mechanical system connected to the body;
wherein:
the mechanical system is configured to allow the movement of the body of water in the first direction to move the body back and forth in a plane parallel to the surface of the body of water in a second direction and a third direction;
the second and the third directions are substantially perpendicular to the first direction;
the mechanical system is configured to translate the movement of the body to a rotor of an electrical generator;
an angle of the body is substantially parallel to a flow of the body of water in the first direction as the body reaches a first end point or a second end point of a traverse between the second direction and the third direction;
the angle of the body relative to the flow of the body of water in the first direction varies as the body traverses between the second direction and the third direction;
the angle of the body relative to the flow of the body of water in the first direction increases as the body moves from the first endpoint to a midpoint of the traverse between the second direction and the third direction;
the angle of the body relative to the flow of the body of water in the first direction decreases as the body moves from the midpoint to the second endpoint of the traverse between the second direction and the third direction; and
the angle of the body relative to the flow of the body of water in the first direction is greater than 0 degrees as the body traverses between the second direction and the third direction to generate lift;
wherein the body further comprises a control pin extending from a side surface of the body;
wherein the mechanical system further comprises a tie arm including a first control point and a second control point; and
wherein the control pin is configured to swing between the first control point and the second control point of the tie arm as the body traverses between the second direction and the third direction.

US Pat. No. 10,711,760

WAVE ENERGY CONVERTER

AWS Ocean Energy Limited,...

1. A wave operated assembly configured to be submerged or located in a body of water, the wave operated assembly comprising:a wave actuated member;
a second portion; and
a piston assembly or pressure chamber coupled between the wave actuated member and the second portion;
wherein:
the wave actuated member and the second portion each define part of a first chamber or volume comprising or configured to receive a fluid comprising a gas;
the wave actuated member is movable relative to the second portion;
the piston assembly or pressure chamber is configured to apply a first force on the wave actuated member that works in opposition to a second force on the wave actuated member, the second force being due to the fluid in the first chamber or volume;
the piston assembly or pressure chamber is at least partially or wholly provided within the wave actuated member; and
an outer diameter of the piston assembly or pressure chamber comprises a continuously varying outer diameter.

US Pat. No. 10,711,759

SUBMERSIBLE ELECTRICAL WICKET GATES OPERATOR

FRANKLIN EMPIRE, Montrea...

1. A submersible hydro-electric production system comprising:a turbine comprising a plurality of wicket gates configured to open and close to control a flow of water through the turbine;
a wicket gate operating ring operably connected to the plurality of wicket gates for rotating the wicket gates between an open position and a closed position;
one or more electrical actuators operably connected to the wicket gate operating ring and configured to rotate the gate operating ring to a desired position in response to a control signal;
each electrical actuator comprising an electrical motor and a push-pull rod operably connected to the electrical motor for transforming a rotation movement of the electrical motor to a linear movement for rotating the gate operating ring to the desired position;
each electrical actuator is provided in a waterproof housing that includes a waterproof casing comprising a flexible membrane, the casing for housing the electrical motor, and a telescoping tube protruding through the flexible membrane, the telescoping tube being configured to house the push-pull rod and extend and retract following the linear movement of the push-pull rod.

US Pat. No. 10,711,758

SYSTEM AND METHOD FOR MONITORING AN IGNITION SYSTEM

Ford Global Technologies,...

1. A method for monitoring a spark plug, comprising:charging an ignition coil supplying electrical energy to the spark plug; and
adjusting engine operation via a controller in response to a voltage of a primary ignition coil at a time where the voltage of the primary ignition coil is an adjustable percentage of a peak voltage resulting from discharging the ignition coil during a cycle of a cylinder.

US Pat. No. 10,711,757

BATTERY PACK WITH TEMPERATURE SENSING UNIT

SAMSUNG SDI CO., LTD., Y...

1. A battery pack, comprising:a battery including at least one battery cell connected between a pair of external terminals, the pair of external terminals connected to an engine starter for starting an engine;
a sensor to detect a temperature of the battery and a current of the battery;
a controller to:
detect an engine-start attempt to start the engine using the engine starter based on the temperature of the battery,
compare the temperature of the battery with a reference temperature value after detecting the engine-start attempt, and
output a self-discharge signal when the temperature of the battery is lower than the reference temperature value; and
a self-discharge circuit connected between the pair of external terminals in parallel with the battery, the self-discharge circuit to self-discharge the battery based on the self-discharge signal to increase the temperature of the battery, wherein
the sensor is to detect a voltage of the battery, and
the controller is to determine that the engine-start attempt was made but failed when the voltage of the battery become lower than a reference voltage value at a time when the current of the battery exceeds a reference current value.

US Pat. No. 10,711,756

METHODS AND SYSTEM FOR STARTING A VEHICLE

Ford Global Technologies,...

1. An engine operating method, comprising:rotating an engine crankshaft in a forward direction when combusting air and fuel in the engine;
rotating the engine crankshaft in a reverse direction to a crankshaft position at which a torque to turn the engine exceeds a predetermined output torque of a belt integrated starter/generator (BISG) in response to the engine being stopped; and
holding the engine stopped at the crankshaft position via supplying current to the BISG.

US Pat. No. 10,711,755

ELECTRIC STARTER BATTERY FOR LARGE ENGINES

1. A starting circuit for providing electric power to a starter motor to start an internal combustion engine of outdoor power equipment, comprising:a battery receptacle mounted on the outdoor power equipment and electrically connected to the starter motor; and
a starter battery configured for receipt in the battery receptacle, the starter battery comprising:
an outer housing;
a plurality of battery cells contained within the outer housing;
a printed circuit board including a battery controller mounted to the printed circuit board; and
an array of connector pins accessible through the outer housing, wherein the array of connector pins includes at least three high current pins and a plurality of low current pins, wherein a first one of the high current pins is connectable to the starter motor and a second one of the of the high current pins is connectable to power auxiliary devices of the outdoor power equipment.

US Pat. No. 10,711,754

VALVE ASSEMBLY HAVING ELECTRICAL ACTUATOR WITH STEPPED ARMATURE

Caterpillar Inc., Peoria...

1. A valve assembly comprising:a valve member;
an electrical actuator including a stator, and an armature coupled to the valve member;
the armature including an armature plate defining an armature center axis, and being movable between a rest position and an activated position to vary a position of the valve member, in response to a change to an energy state of the electrical actuator;
the armature plate including a top armature surface facing the stator, a bottom armature surface, and an outer perimetric surface extending circumferentially around the armature center axis and axially between the top armature surface and the bottom armature surface; and
the top armature surface having an inwardly stepped-up profile forming a raised surface at a radially inward location that is adjacent to the stator at the activated position, and a lower, gap-forming surface at a radially outward location that forms a gap between the armature and the stator at the activated position, and
further comprising a housing defining a longitudinal housing axis, and the armature center axis is tilted relative to the longitudinal housing axis at the activated position.

US Pat. No. 10,711,752

FUEL INJECTOR ASSEMBLY HAVING DUCT STRUCTURE

Caterpillar Inc., Peoria...

1. A fuel injector assembly for an engine, the engine including a cylinder head defining a through-hole, the fuel injector assembly comprising:an insert, having a first end and a second end, configured to be received within the through-hole and coupled to the cylinder head, the insert defining a bore extending from the first end to the second end;
a fuel injector including a plurality of orifices at a distal end portion of the fuel injector, the fuel injector being received within the bore of the insert and having a groove provided at the distal end portion; and
a duct structure including a plurality of ducts, the duct structure being coupled to the insert such that the plurality of ducts align with the plurality of orifices to at least partially receive one or more fuel jets from the plurality of orifices of the fuel injector, a length of the groove with respect to a longitudinal axis of the fuel injector being defined such that the groove is configured to axially position the plurality of orifices of the fuel injector in alignment relative to the plurality of ducts, the duct structure being fastened to the first end of the insert, and an outer surface of the insert extends radially outward of the duct structure and is press-fit into the cylinder head.

US Pat. No. 10,711,751

FUEL SUPPLY SYSTEM FOR ENGINE

Mazda Motor Corporation, ...

1. A fuel supply system for an engine, configured to supply fuel to the engine having a plurality of cylinders, comprising:a plurality of fuel injection valves configured to inject fuel into the plurality of cylinders in a given order;
a fuel distribution part having a first distribution pipe configured to distributingly supply fuel to a first fuel injection valve group comprised of some of the plurality of fuel injection valves of which fuel injection orders are not successive in the given order, and a second distribution pipe configured to distributingly supply fuel to a second fuel injection valve group comprised of a remainder of the plurality of fuel injection valves of which the fuel injection orders are not successive in the given order;
a fuel pump part configured to discharge fuel;
a first feed pipe connecting a first discharge part of the fuel pump part with the first distribution pipe;
a first pressure reducing valve configured to be opened when a pressure in the first distribution pipe exceeds a given pressure limit;
a first return pipe configured to return excess fuel in the first distribution pipe when the first pressure reducing valve is opened;
a second feed pipe connecting a second discharge part of the fuel pump part and the second distribution pipe;
a second pressure reducing valve configured to be opened when a pressure in the second distribution pipe exceeds the given pressure limit;
a second return pipe configured to return excess fuel in the second distribution pipe when the second pressure reducing valve is opened; and
a coupling part coupled to an upstream end of the first return pipe and a downstream end of the second return pipe, and attached to the first distribution pipe, wherein the first feed pipe and the second feed pipe form independent fuel feed paths from the first and second discharge parts of the fuel pump part to the first distribution pipe and the second distribution pipe, respectively,
wherein the first distribution pipe and the second distribution pipe extend in series with each other in lined-up directions of the plurality of cylinders, and
wherein the coupling part is disposed at an end of the first distribution pipe closer to the second distribution pipe than a first feed coupling part at which the first feed pipe is coupled to the first distribution pipe.

US Pat. No. 10,711,750

VALVE FOR METERING A FLUID

Robert Bosch GmbH, Stutt...

1. A valve for metering a fluid, the valve being a fuel injection valve for an internal combustion engine, the valve comprising:an electromagnetic actuator; and
a valve needle actuatable by the electromagnetic actuator, used to actuate a valve closing body that interacts with a valve seat surface to form a sealing seat, an armature of the electromagnetic actuator being guided on the valve needle so as to be movable along a longitudinal axis of the valve needle, the movement of the armature relative to the valve needle being limited by at least one stop surface, situated on the valve needle, of a stop element, the armature having at least one passage channel;
wherein the stop element and/or the armature are configured such that during operation there always remains an intermediate space, adjoining the valve needle, between the stop element and an end face of the armature facing the stop element, and the stop surface lies, at least in a contact region, on the end face of the armature facing the stop element when the armature and the stop surface come into contact during operation, the contact region being situated between the intermediate space and an opening of the passage channel when the armature and the stop surface come into contact during operation, and
wherein the stop element on which the stop surface is formed is connected to the valve needle or is formed on the valve needle, and the stop element is configured such that a fluid provided in the intermediate space is pressed out from the intermediate space during operation, at least partly via the throttle gap, due to a dynamic deformation of the stop element enabled by an impact of the armature on the stop surface.

US Pat. No. 10,711,749

FUEL INJECTION VALVE

Vitesco Technologies GmbH...

1. A fuel injection valve comprising:a valve assembly including a displaceably mounted valve needle comprising a stop element, and a valve seat which interact mechanically with valve needle, in order to prevent fuel flow through an injection opening of the fuel injection valve in a closed position of the valve needle and to release it in other positions of the valve needle;
a prestressed closing spring which exerts a spring force on the valve needle, the spring force loads the valve needle in a direction of the closed position;
an electromagnetic actuator assembly including:
a pole piece;
a magnet armature mounted to be displaceable with respect to the valve needle and spaced apart from the stop element of the valve needle in a rest state of the fuel injection valve;
a coil configured to generate a magnetic force on the magnet armature when it is energized in order to release the fuel flow through the injection opening, to move the magnet armature toward the pole piece; and
a stopper which limits the movement of the magnet armature and/or the valve needle,
wherein the magnet armature, on its way toward the pole piece, at first covers an idle stroke toward the stop element and subsequently enters into a positively locking connection with the latter, with the result that it drives the valve needle in the direction of the pole piece,
wherein during a valve opening operation in which the coil is energized, a magnitude of a summed force of the spring force and the magnetic force decreases with an increasing spacing of the valve needle from the closed position to an open position in which the magnet armature or the valve needle bears against the stopper in the case of a constant or increasing magnetic force or, in the case of an increasing magnetic force, at least remains constant with an increasing spacing of the valve needle from the closed position,
wherein the fuel injection valve further comprises an armature restoring spring which biases the magnet armature in a direction away from the stop element,
wherein the pole piece includes a cutout formed in an outer radial portion thereof, the armature includes a cutout formed in an outer radial portion thereof, and the armature restoring spring is disposed in the cutout of the pole piece and the cutout of the armature.

US Pat. No. 10,711,748

FUEL SUPPLY DEVICES

Aisan Kogyo Kabushiki Kai...

1. A fuel supply device comprising:a fuel pump for delivering fuel from within a fuel tank, and
a sub-tank disposed within the fuel tank and having a temporary storage region capable of temporarily storing fuel,
wherein the fuel pump is configured to draw fuel from the sub-tank and deliver fuel outside of the fuel tank;
wherein the sub-tank includes a top cover of the temporary storage region, where the top cover of the temporary storage region forms an uppermost part of an upper surface of the sub-tank, and wherein the sub-tank also includes an inflow opening to allow the fuel to be gravity-fed into the sub-tank under its own weight wherein the inflow opening is formed on the upper surface of the sub-tank;
wherein the inflow opening is directly fluidly coupled to an interior of the sub-tank and to an interior of the fuel tank; and
wherein a height of the temporary storage region at the top cover is greater than a height of the temporary storage region at the inflow opening.

US Pat. No. 10,711,747

DIESEL POWER GENERATION SYSTEM USING BIOFUEL

NIPPON PREMIUM CO., LTD.,...

1. A diesel power generation system having:a steady power generation (PG) operation mode in which biofuel is used as default fuel to drive a diesel engine for electric power generation;
a PG operation suspension mode which suspends the steady PG operation mode by giving a flushing processing to the engine with liquid fossil fuel as default fuel and which processing works as preparation for a next power generation operation; and
a start-up operation mode in which liquid fossil fuel is used as default fuel to start-up and warm up the diesel engine,comprising:a biofuel reservoir for storing biofuel;
a fossil fuel reservoir for storing liquid fossil fuel;
a surplus-fuel-mixture recovery tank for recovering a mixture of surplus biofuel and surplus fossil fuel, discharged from said diesel engine;
a fuel switching valve including two input ports connected to said biofuel and liquid fossil reservoirs via respective feed oil circuits, respectively, and one output port connected to the diesel engine via a feed oil circuit, wherein said fuel switching valve being controlled by a first control signal to select one of said two input ports according to a value of said first control signal, and allowing the selected one input port to communicate to said one output port, whereby the fuel of the reservoir connected to the selected one input port may be supplied to the diesel engine;
a surplus-fuel-return-destination (SFRD) switching valve having one input port connected via a feed oil circuit to a surplus fuel exit of said diesel engine and three output ports that are respectively connected to a return port of said biofuel reservoir, a return reservoir of said liquid fossil fuel reservoir and an input port of said surplus-fuel-mixture recovery tank, said DFRD switching valve communicating said one input port in response to a second control signal to either one output port of said three output port of the SFRD switching valve, whereby returning or collecting surplus fuel generated in said diesel engine to proper one of said biofuel reservoir, liquid fossil fuel reservoir and surplus-fuel-mixture recovery tank;
a control device controlling said fuel switching valve and SFRD switching valve to cause the switching of the respective valves in said steady PG operation mode, PG operation suspension mode, and start-up operation mode, generate the first and second control signals on the basis of such user instructions as starting-up of generator, starting steady operation of generator and suspension generator operation, status signals indicative of a status of the diesel engine,
wherein said control device executing the following steps of:
(A) detecting, during the system is in either one operation mode of the steady PG operation mode, PG operation suspension mode and start-up operation mode, a user operation or user instructions and/or a change in the system status, and judging whether there is occurring a mode change from a current operation mode to a next operation mode;
(B) where it is judged the system requires a mode change from the current operation mode to the next operation mode, and that a next default fuel that is to be used for the next operation mode will be different from the current default fuel that is being used for the current operation mode:
(B-1) altering the value of said first control signal for said fuel switching valve into a value indicating that said fuel switching valve allows the fuel in the fuel reservoir for the next default fuel to flow therein; and
(B-2) altering, at a time not earlier than a switching timing of said fuel switching valve, the value of the second control signal for said SFR switching valve into a value indicating a mixture of a current fuel surplus and a next fuel surplus is retuned to said surplus-fuel-mixture recovery tank, whereby enabling collecting surplus fuel mixture in the recovery tank.

US Pat. No. 10,711,746

INTAKE MANIFOLD AND ENGINE HAVING THE SAME

HYUNDAI MOTOR COMPANY, S...

1. An intake manifold comprising:a manifold inlet connected to an intake line into which fresh air flows and a recirculation line into which exhaust gas recirculation (EGR) gas flows;
a manifold pressure sensor for measuring pressure of fluid flowing through the manifold inlet; and
a sensor housing fluidly communicating with the manifold inlet and including a mounting space in which the manifold pressure sensor is mounted,
wherein the sensor housing is fluidly connected to the manifold inlet through an inflow line and fluidly connected to a surge tank through an outflow line, the surge tank temporarily storing the fresh air flowing through the intake line and the EGR gas flowing through the recirculation line, and
wherein the inflow line is branched off between a downstream portion of the intake line and an upstream portion of the recirculation line, and merged into the sensor housing.

US Pat. No. 10,711,745

WORK VEHICLE

Kubota Corporation, Osak...

1. A work vehicle comprising:an engine;
an intake passage through which combustion air flows from an ambient air inlet to the engine;
an air cleaner for removing dust contained in the combustion air;
a throttle valve for adjusting an intake amount of the combustion air by the engine;
a blowby gas returning passage for returning blowby gas discharged from the engine to a mid portion of the intake passage; and
an inclined passage portion that assumes a progressively downwardly inclined posture to be located at a lower position on downstream side in a flow direction, the inclined passage portion having a water draining portion at its lowermost end, the inclined passage portion being provided at a flow direction downstream portion at a returning passage connecting portion of the intake passage to which the blowby gas returning passage is connected;
wherein the blowby gas returning passage is connected to the intake passage on a more downstream side in the flow direction than the air cleaner; and
wherein the throttle valve is provided at a position that is on a downstream side in flow direction of the inclined passage portion and that is at a height that is approximately equal to or greater than a height of the returning passage connecting portion.

US Pat. No. 10,711,744

SNORKEL SYSTEM

OMIX-ADA, INC., Ann Arbo...

1. A snorkel system comprising:a. a vehicle adapter configured to connect to a vehicle, the vehicle adapter including:
i. a connection plate having an inlet;
b. one or more air tubes configured to extend along an interior of an engine compartment of the vehicle; and
c. one or more angle adapters adapted to be located within the engine compartment of the vehicle, the one or more angle adapters fluidly connecting the vehicle adapter and the one or more air tubes together;wherein the one or more angle adapters include:an inlet opening located within a first plane, the inlet opening being located proximate to and in fluid communication with the vehicle adapter, and
an outlet opening being in communication with a first end of the one or more air tubes, the outlet opening being located within a second plane that is spaced apart from and extends substantially parallel to the first plane.

US Pat. No. 10,711,743

COVER FOR AN INTAKE HOUSING

Valeo Systemes Thermiques...

1. A cover (1) suitable for installation at least facing a heat exchanger (28) between a feed gas flow of an internal combustion engine and a so-called coolant, the heat exchanger (28) comprising a bundle (32) and a coolant distribution area (33) for distributing the coolant in the bundle (32), wherein the cover (1) comprises a protrusion (2) suitable for limiting the circulation of the feed gas flow at the coolant distribution area (33); and wherein the cover (1) further comprises first and second longitudinal ends, wherein the protrusion (2) is disposed at the first longitudinal end and extends therefrom,wherein the cover further comprises a gas flow inlet orifice (7) and a gas flow outlet orifice (9) joined by a wall (3) and in which a portion of the protrusion (2) extends in a plane parallel to a plane of extension of the outlet orifice (9), and the protrusion (2) originates at an origin of the inlet orifice (7), forms a portion of the inlet orifice (7), and has an opposite free end (24) disposed between the first and second longitudinal ends;
wherein the free end (24) of the protrusion (2) of the cover (1) contacts the bundle (32) of the heat exchanger (28); and
wherein the cover further comprises a central strip (15) of substantially parallelepipedal form, a portion of which forms the protrusion (2), and two flanks (16, 17) which extend on either side of the central strip (15).

US Pat. No. 10,711,742

VEHICLE AIR INTAKE HOUSING

Element 1 Engineering Ltd...

1. An assembly, comprising:a housing having a distal end and a proximal end, the proximal end for attaching to an engine air inlet, a diameter of the proximal end having a smaller diameter than a diameter of the distal end;
a filter positioned within the housing and having a proximal end for transmitting filtered air to the engine air inlet and a distal end for receiving unfiltered air, the filter proximal end having a smaller diameter than the filter distal end, and
wherein the housing gradually decreases in diameter from the housing distal end to the housing proximal end, such that the cross-sections of the filter and the housing are progressively smaller along the direction of airflow from the distal to proximal ends of the filter.

US Pat. No. 10,711,741

ASPIRATION SYSTEM FOR A WORK VEHICLE

CNH Industrial America LL...

1. An aspiration system for a work vehicle, the aspiration system comprising:an exhaust tube extending along a flow direction from an upstream end to a downstream end, the exhaust tube defining an exhaust passage extending from the upstream end of the exhaust tube to the downstream end of the exhaust tube, the exhaust tube including a venturi portion comprising a converging section, a diverging section downstream of the converging section in the flow direction, and a throat extending between the converging and diverging sections, the exhaust tube further defining an aperture within the venturi portion of the exhaust tube;
an aspiration tube configured to be coupled between the exhaust tube and a separate component of the work vehicle, the aspiration tube defining an aspiration passage extending between the separate component and the exhaust tube, the aperture defined by the exhaust tube fluidly coupling the aspiration passage and the exhaust passage; and
a restrictor body positioned within the exhaust passage, the restrictor body including a leading edge and a trailing edge positioned downstream of the leading edge in the flow direction, the leading edge being positioned upstream of the venturi portion and the trailing edge being positioned downstream of the converging section of the venturi portion,
wherein the restrictor body and the venturi portion are configured to adjust a flow parameter of exhaust gases flowing through the exhaust passage,
wherein the aperture is positioned downstream of the leading edge of the restrictor body and upstream of the trailing edge of the restrictor body, and
wherein the aperture is at least partially defined by the throat.

US Pat. No. 10,711,740

SYSTEM FOR FEEDING AIR TO AN INTERNAL COMBUSTION ENGINE

1. A system for feeding air to an internal combustion engine of a motor-vehicle being equipped with an air conditioning circuit, the system comprising:an air feed duct for feeding air to the internal combustion engine;
a turbocharger including:
an air compressor for compressing the air fed to the internal combustion engine, arranged along said air feed duct; and
a turbine driven by a flow of exhaust gases of the internal combustion engine, for driving the air compressor by a shaft;
a coolant that circulates in a cooling circuit of the internal combustion engine;
a heat exchanger positioned in said air feed duct, downstream of the air compressor, and configured to cool a flow of air fed by the air compressor, using the coolant that circulates in the cooling circuit of the internal combustion engine;
an auxiliary evaporator, interposed in the air feed duct downstream of the heat exchanger, to further cool the flow in said air fed duct to the internal combustion engine by a coolant fluid that circulates in said air conditioning circuit of the motor vehicle;
wherein said air conditioning circuit further comprises:
a coolant compressor;
a condenser receiving the coolant fluid from the coolant compressor;
a first expansion valve receiving the coolant fluid from said condenser;
a main evaporator including:
an inlet receiving the coolant fluid coming from the first expansion valve, for cooling a flow of air directed towards a passenger compartment of the motor-vehicle; and
an outlet for the coolant fluid of said main evaporator being connected to an inlet of the coolant compressor;
wherein the auxiliary evaporator is connected in parallel with the main evaporator within said air conditioning circuit,
a second expansion valve interposed between said condenser and the auxiliary evaporator;
an inner heat exchanger receiving the flow of the coolant fluid from the condenser to the first expansion valve to have a heat exchange relationship with the flow of the coolant fluid flowing from the main evaporator back to the coolant compressor; and
wherein the coolant fluid flowing from the condenser through said inner heat exchanger divides into two lines directed towards the respective first and second expansion valves, while the coolant fluid flowing out from the main evaporator and from the auxiliary evaporator converge into a single flow before passing through the inner heat exchanger; and
an electronic controller having executable instructions stored in a non-transitory readable medium/processor to execute of:
controlling activation of said coolant compressor, according to both a request for air conditioning of the passenger compartment, and a request for cooling the air fed to the internal combustion engine; and
controlling the second expansion valve and activation of said coolant compressor for feeding coolant through the auxiliary evaporator only when an engine load of the internal combustion engine is below a predetermined threshold.

US Pat. No. 10,711,739

EXHAUST-GAS SWITCH FOR A VEHICLE

BorgWarner Ludwigsburg Gm...

1. An exhaust-gas switch, comprising:a housing having an inlet, a first outlet and a second outlet;
a shaft extending from the housing; and
a valve flap arranged in the housing and being pivotable about a geometric pivot axis between a first position and a second position via the shaft;
wherein the valve flap defines a blocking portion that in the first position blocks the first outlet and in the second position blocks the second outlet;
wherein the valve flap bears a counterweight to the blocking portion, the geometric pivot axis being arranged between the blocking portion and the counterweight; and
wherein the valve flap comprises two superimposed sheet metal discs, between which a portion of the shaft is held and wherein the counterweight is arranged between the two sheet metal discs.

US Pat. No. 10,711,738

ELECTRIC SUPERCHARGER

KABUSHIKI KAISHA TOYOTA J...

1. An electric supercharger comprising:an electric motor;
a compressor wheel rotated by the electric motor;
an actuator; and
a compressor housing which covers and accommodates the compressor wheel therein, the compressor housing further including:
a first passage configured to have aft is introduced therein;
an introducing port configured to be connected to an EGR device configured to recirculate EGR gas, that is part of exhaust gas of an internal combustion engine, to an intake passage;
a second passage configured to have at least one of air and EGR gas, that are compressed in the compressor wheel, flowed therethough to the internal combustion engine;
a bypass passage configured such that at least one of air and EGR gas, before being compressed in the compressor wheel, flows therethrough to the internal combustion engine without being flowed through the compressor wheel; and
a bypass valve electrically controlled by the actuator to open and close the bypass passage;
wherein, when the bypass valve is opened, aft introduced from the first passage and EGR gas introduced from the introducing port are flowed through the bypass passage to the internal combustion engine; and
wherein, when the bypass valve is closed; aft introduced from the first passage and EGR gas introduced from the introducing port are compressed in the compressor wheel and flowed through the second passage to the internal combustion engine.

US Pat. No. 10,711,737

CONDUIT MOUNTING DEVICE

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

1. A conduit mounting device comprising:a base having a first side and an opposing second side, the base comprising a pair of fastener openings for receiving fasteners to attach the base to a tubular frame of a vehicle;
a plurality of supports projecting from the second side of the base for supporting the conduit mounting device against the frame;
a connector extending from the first side of the base between the pair of fastener openings for connecting to a conduit; and
a pipe extending away from the second side of the base in a longitudinal direction and terminating in an end, wherein a cap is disposed on the end, the cap completely enclosing the end of the pipe, the pipe having an inlet and forming a passage from the connector to the inlet;
wherein the second side of the base defines a planar surface, and the pair of fastener openings are defined through the planar surface so as to be coplanar.

US Pat. No. 10,711,736

AIR CLEANER ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE

1. An air cleaner assembly for an internal combustion engine, comprising:a housing with at least one intake air inlet and an air outlet tube formed in a housing wall for supplying an intake air to the internal combustion engine,
at least one filter element disposed within the housing for filtering the intake air, separating a rough air side from a clean air side inside the housing,
a flow straightening hydrocarbon adsorption insert, comprising:
a cage-like body which is tubular shaped and surrounding a longitudinal axis of the outlet tube and coinciding with a flow direction through the flow straightening hydrocarbon adsorption insert, the cage-like body comprising:
a first circumferentially closed ring at a first axial end of the cage-like body;
a second circumferentially closed ring at a second axial end of the cage-like body;
at least one axially extending rib member connected to the first circumferentially closed ring and extending axially to connected to the second circumferentially closed ring;
an axially elongated flow sensor receiving member connected to the first circumferentially closed ring and extending axially to connected to the second circumferentially closed ring, the axially elongated flow sensor receiving member having a radially outer surface which forms a portion of a radial outer circumference of the flow straightening hydrocarbon adsorption insert, the axially elongated flow sensor receiving member including:
a flow sensor receiving opening formed into and through the radially outer surface of the axially elongated flow sensor receiving member, the flow sensor receiving opening configured to receive a portion of a flow sensor through the axially elongated flow sensor receiving member into an interior of the cage-like body;
a hydrocarbon absorbing medium sheet extending circumferentially on an outer circumference of the cage-like body and supported on the at least one axially extending rib member, the hydrocarbon absorbing medium sheet having a first end edge and an oppositely arranged second end edge, the hydrocarbon absorbing medium sheet at least partially surrounding the outer circumference of the cage-like body;
wherein the first end edge of the hydrocarbon absorbing medium sheet is fastened to a first edge of the axially elongated flow sensor receiving member;
wherein the second end edge of the hydrocarbon absorbing medium sheet is fastened to an opposite second edge of the axially elongated flow sensor receiving member;
wherein the flow straightening hydrocarbon adsorption insert is arranged within an interior of the air outlet tube of the housing.

US Pat. No. 10,711,735

ARRANGEMENT FOR REGENERATING AN ACTIVATED CARBON FILTER

1. An arrangement for use with an internal combustion engine, the arrangement comprising:an intake tract for the internal combustion engine;
an openable and closeable valve which is fluidly connected to the intake tract for the internal combustion engine;
an activated carbon filter located upstream from the intake tract and the valve;
an intake line, which is connected between the valve and the activated carbon filter such that when the valve is open, fluid can flow from the activated carbon filter into the intake tract;
a pressure sensor for measuring upstream pressure (p1) in the intake line; and
a pump which helps generate the pressure (p1) in the intake line; and
wherein the valve is connected to the intake tract so they cooperate together to form a cavity that is connected to the intake line such that when the valve is closed, the pressure in the cavity is the pressure (p1).

US Pat. No. 10,711,734

OPTIMAL THRUST CONTROL OF AN AIRCRAFT ENGINE

RAYTHEON TECHNOLOGIES COR...

1. A control system for a gas turbine engine, the control system comprising:a nozzle scheduler for determining an exhaust nozzle position goal (A8 GOAL) based on a nozzle schedule of exhaust nozzle positions related to flight conditions, the exhaust nozzle changing positions to change dimensions of an exhaust section with respect to a tail cone;
a plurality of system sensors for determining sensor signals;
an engine model for estimating synthesis signals (FN) using the sensor signals;
a goal generator module for determining auxiliary goals and actuator goals;
the auxiliary goals based on engine states that are related to engine thrust during transient engine operations; and
the actuator goals based on positions for high pressure compressor stator vanes (HPCSV), low pressure compressor stator vanes (LPCSV) and/or engine stability bleeds (BLD);
a control module, being a hybrid model predictive control (HMPC), electronically receiving information, including:
the exhaust nozzle position goal (A8 GOAL);
the sensor signals;
the synthesis signals (FN); and
the auxiliary and actuator goals; and
based on the received information, the control module determining and outputting a control command for the gas turbine engine, the control command including:
a fuel flow (WF) command;
a stability bleeds (BLD) position command;
an exhaust nozzle position command;
a high pressure compressor stator vanes (HPCSV) position command; and
a low pressure compressor stator vanes (LPCSV) position command.

US Pat. No. 10,711,733

CLOSED CYCLE ENGINE WITH BOTTOMING-CYCLE SYSTEM

General Electric Company,...

1. A system, comprising:a closed cycle engine defining a cold side and a hot side;
a heater loop positioned at least in part in a heat exchange relationship with the hot side of the closed cycle engine for recovering hot combustion gases therefrom, wherein the heater loop has a heat recovery loop along which recovered hot combustion gases are movable;
a chiller loop having a bottoming-cycle loop;
a pump positioned along the bottoming-cycle loop and operable to move a working fluid along the bottoming-cycle loop;
a cold side heat exchanger positioned along the bottoming-cycle loop in fluid communication with the pump and positioned in a heat exchange relationship with the cold side of the closed cycle engine, wherein the working fluid exits the cold side heat exchanger at a first temperature and a first pressure;
a constant density heat exchanger positioned along the bottoming-cycle loop and downstream of the cold side heat exchanger, wherein the constant density heat exchanger is operable to hold a volume of the working fluid flowing therethrough at constant density during heat application via a heat source such that a temperature and a pressure of the volume of the working fluid is increased to a second temperature and a second pressure, wherein the second temperature is greater than the first temperature and the second pressure is greater than the first pressure, and wherein the heat recovery loop is positioned at least in part in a heat exchange relationship with the constant density heat exchanger such that recovered hot combustion gases, acting as the heat source, impart thermal energy to the volume of working fluid held at constant density within the constant density heat exchanger;
an expansion device in fluid communication with the constant density heat exchanger, the expansion device operable to extract thermal energy from the working fluid to produce work; and
a third heat exchanger positioned along the bottoming-cycle loop and having an inlet and an outlet, the inlet of the third heat exchanger in fluid communication with the expansion device and the outlet of the third heat exchanger in fluid communication with the pump, wherein the third heat exchanger is operable to decrease the working fluid to a third temperature that is less than the first temperature.

US Pat. No. 10,711,732

REDUCED HEIGHT PISTON

INDUSTRIAL PARTS DEPOT, L...

1. A piston for use in an internal combustion engine, said piston comprising:an upper member, wherein said upper member includes:
a crown located at a top surface of said upper member;
a combustion surface extending radially inward from said crown;
a first upper connecting surface integrally formed on a bottom side of said upper member, said first upper connecting surface is downwardly directed;
a second upper connecting surface integrally formed on said bottom side of said upper member, said second upper connecting surface is downwardly directed,
wherein said first and second upper connecting surfaces are concentrically oriented, and at least one of said upper connecting surfaces includes a curvilinear and/or multi-arcuate cross-sectional profile between a root portion of said at least one upper connecting surfaces and a lowest portion of said at least one upper connecting surfaces, and wherein the first upper connecting surface has a greater cross-sectional width at the root portion than a cross-section width at the lowest portion, and wherein the curvilinear and/or multi-arcuate cross-sectional profile between the root portion of said at least one upper connecting surfaces and the lowest portion of said at least one upper connecting surfaces does not include vertical or substantially vertical sides to the first upper connecting surface;
a lower member, wherein said lower member includes:
a pair of opposing skirts, each skirt defines a bore formed therethrough, said bore having a bore centerline;
a first lower connecting surface integrally formed on a top side of said lower member, said first lower connecting surface is upwardly directed; and
a second lower connecting surface integrally formed on a top side of said lower member, said second lower connecting surface is upwardly directed, wherein said first and second lower connecting surfaces are concentrically oriented;
wherein said lower member is integrally connected to said upper member by friction welding such that said first upper connecting surface and said first lower connecting surface form a first welded joint therebetween and said second upper connecting surface and said second lower connecting surface form a second welded joint therebetween, and said curvilinear and/or multi-arcuate cross-section enables a reduced distance between said top surface of said crown and said bore centerline of said bore.

US Pat. No. 10,711,731

METHOD FOR MANUFACTURING A WATER COOLING SYSTEM IN A CASTED CYLINDER HEAD AND WATER COOLING SYSTEM IN A CASTED CYLINDER HEAD

FEV Europe GmbH, Aachen ...

1. A method for manufacturing a water cooling system inside a casted cylinder head, the water cooling system comprising an upper water jacket and a lower water jacket and wherein a transition channel is located between the upper water jacket and the lower water jacket, characterized in following steps:a) Arranging an upper water jacket core for the upper water jacket and a lower water jacket core for the lower water jacket, wherein the upper water jacket core and the lower water jacket core are placed in contact with each other and are adjoining to each other at least in or at the region of the transition channel to be manufactured so that a recess is defined by at least one of the water jacket cores at the region of the transition channel to be manufactured,
b) Casting of the cylinder head, wherein due to the recess a protrusion is formed and due to the arrangement of the water jacket cores a core flash is formed on the protrusion and wherein the transition channel to be manufactured is at least partly blocked by the protrusion and the core flash,
c) Removing of the upper water jacket core and the lower water jacket core, and
d) Adjusting the width of the transition channel to be manufactured by removing the core flash and at least a part of the protrusion.

US Pat. No. 10,711,730

INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A internal combustion engine including a combustion chamber constituted by a wall surface on which a heat shielding film is formed, wherein:the heat shielding film includes a heat shielding layer and an oil repellent layer;
the heat shielding layer is formed on the wall surface and also is composed of a material having thermal conductivity lower than a base material of the combustion chamber;
the oil repellent layer is formed on a surface of the heat shield layer and also is composed of polyalkoxysiloxane; and
a contact angle of the oil repellent layer with engine oil is at least 40 degrees.

US Pat. No. 10,711,729

DIESEL ENGINE DUAL FUEL INJECTION STRATEGY

Ford Global Technologies,...

8. A diesel fuel injection method, comprising:during a cycle of a cylinder, via a controller, providing main fuel injections via a first diesel fuel injector and a second diesel fuel injector that overlap in time, the first diesel fuel injector and the second diesel fuel injector positioned in the cylinder, the first diesel fuel injector a low fuel flow diesel fuel injector and the second diesel fuel injector a high fuel flow diesel fuel injector; and
alternating pilot fuel injections between the first diesel fuel injector and the second diesel fuel injector.

US Pat. No. 10,711,728

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control device for an internal combustion engine, the internal combustion engine comprising an engine body and a fuel injector injecting fuel for combustion inside a combustion chamber of the engine body, whereinthe control device comprises a combustion control part configured to successively perform at least first main fuel injection and second main fuel injection to cause premix charged compression ignition of the fuel so as to cause heat generation two times in stages inside the combustion chamber so that a pressure waveform showing a change of a rate of cylinder pressure rise over time becomes a two-peak shape and so that a peak ratio which is a ratio of a first peak value of a first peak of the pressure waveform formed by a first heat generation and a second peak value of a second peak of the pressure waveform formed by a second heat generation falls within a predetermined range, and
the combustion control part comprises a second ignition delay time calculating part configured to calculate a second ignition delay time which is an estimated value of an ignition delay time of fuel injected by the second main fuel injection, and
the combustion control part is configured so that if an injection correction amount for an amount of fuel injected from the fuel injector is set, when the second ignition delay time is less than a predetermined value, the injection correction amount is applied to a second target injection amount which is a target injection amount of the second main fuel injection.

US Pat. No. 10,711,727

FUEL INJECTION CONTROL DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. A fuel injection control device that is applied to a fuel injection valve for opening, by an electric actuator, a valve body to open and close an injection hole to inject a fuel, controls an opening time of the valve body by controlling the electric actuator, and thus controls an injection quantity injected per one opening of the valve body, the fuel injection control device comprising:a processor programmed to:
calculate a conduction time of the electric actuator corresponding to a requested injection quantity that is an injection quantity requested during partial lift injection in which the valve body starts closing before the valve body reaches a maximum valve opening position after the valve body starts opening;
detect a physical quantity having a correlation with an actual injection quantity that is an injection quantity actually injected during the partial lift injection;
estimate the actual injection quantity based on the detected physical quantity;
correct the requested injection quantity by a correction quantity corresponding to a deviation between the estimated actual injection quantity and the requested injection quantity;
determine whether or not the correction quantity is in a sudden change state based on whether or not the correction quantity has changed from a previous value by a prescribed quantity or more;
set a reflection speed at which the the correction quantity is gradually reflected on the requested injection quantity over a prescribed period of time; and
when the correction quantity is determined to be in the sudden change state, increase the reflection speed.

US Pat. No. 10,711,726

FUEL DELIVERY SYSTEM

Caterpillar Inc., Peoria...

1. A fuel delivery system for an engine, the fuel delivery system comprising:a fuel rail adapted to receive a pressurized fuel therein;
a pressure sensor coupled to the fuel rail;
a relief valve fluidly coupled to the fuel rail; and
a controller communicably coupled to the pressure sensor and the engine, the controller configured to:
receive a signal indicative of a fuel rail pressure from the pressure sensor;
identify exceeding of the fuel rail pressure beyond a first threshold;
identify the fuel rail pressure drop below a second threshold;
initiate a counter for a first predefined amount of time based, at least in part, on the fuel rail pressure drop below the second threshold;
identify if the fuel rail pressure drops below a third threshold within the first predefined amount of time;
identify if the fuel rail pressure remains below the third threshold for at least a second predefined amount of time;
determine an open status and a closed status of the relief valve based, at least in part, on the identification;
identify a number of cycles of the open and closed status of the relief valve; and
determine a maintenance interval of the relief valve, based at least in part, on the number of cycles exceeding a predefined threshold of cycles.

US Pat. No. 10,711,725

SYSTEMS AND METHODS FOR A DUEL FUEL SYSTEM OF A VARIABLE DISPLACEMENT ENGINE

Ford Global Technologies,...

1. A method for fueling an engine, comprising:selecting between operating a lift pump in a pressure relief mode and a variable pressure mode based on whether the engine is fueled via port fuel injectors; and
adjusting an output of the lift pump while operating in the variable pressure mode based on a fractional volume loss of a high pressure pump measured while operating the lift pump in the pressure relief mode.

US Pat. No. 10,711,724

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

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

1. A control apparatus for an internal combustion engine, in which fuel is injected with a fuel injection unit and a shift transmission operation is performed with an automatic transmission, the control apparatus comprising:an engine control unit configured to:
perform fuel-cut torque-down control to stop the fuel injection with the fuel injection unit so that torque generated by the internal combustion engine is reduced during upshift transmission with the automatic transmission;
acquire a requested injection amount parameter representing a requested injection amount, which is an amount of fuel injection from the fuel injection unit required in the internal combustion engine, on the basis of an operation state parameter representing an operation state of the internal combustion engine;
acquire a minimum injectable amount parameter representing a minimum injectable amount, which is a minimum value of the amount of fuel injection actually injectable from the fuel injection unit; and
stop the fuel-cut torque-down control and perform the fuel injection with the fuel injection unit if the minimum injectable amount represented by the minimum injectable amount parameter exceeds the requested injection amount represented by the requested injection amount parameter while the fuel-cut torque-down control is being performed during the upshift transmission.

US Pat. No. 10,711,723

FUEL CONTROL FOR DUAL FUEL ENGINES

Cummins Inc., Columbus, ...

1. A method, comprising:operating an internal combustion engine system including an intake system connected to an engine with at least one cylinder and at least two fuel sources operably connected to the internal combustion engine system to provide a liquid fuel to the at least one cylinder and a flow of a gaseous fuel to the engine, wherein the intake system is coupled to the at least one cylinder to provide a charge in a combustion chamber of the at least one cylinder from a charge flow, the internal combustion engine system further including an exhaust system;
modulating at least one of a speed and a torque of the engine to a corresponding desired speed and desired torque by only changing a fuelling amount of the liquid fuel to the at least one cylinder;
determining a target fuelling amount for the liquid fuel based on at least one of a reference table and sensed engine operating parameters; and
modulating a flow rate of the gaseous fuel to the engine to drive the changed fuelling amount of the liquid fuel toward the target fuelling amount while maintaining at least one of the desired speed and the desired torque of the engine.

US Pat. No. 10,711,722

CONTROLLER OF INTERNAL COMBUSTION ENGINE AND LEARNING METHOD OF LEARNING VALUE IN INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

12. An internal combustion engine controller applied to an internal combustion engine including an in-cylinder injection valve that injects fuel into a cylinder, the internal combustion engine controller comprising circuitry configured to:control driving of the in-cylinder injection valve based on a requested injection amount of the in-cylinder injection valve;
when a partial lift injection that terminates fuel injection before a valve body reaches a fully open position is performed in the in-cylinder injection valve, perform a partial lift learning process of learning an injection characteristic of the in-cylinder injection valve so that a divergence of a correlation value of the requested injection amount and a correlation value of an actual injection amount is decreased based on a present correlation value of the requested injection amount of the in-cylinder injection valve and the correlation value of the actual injection amount of the in-cylinder injection valve when the partial lift injection is performed, wherein the internal combustion engine controller completes the partial lift learning process when the divergence is smaller than a specified value;
perform a purge learning process of learning a concentration of a fuel vapor purged to an intake passage when purging of the fuel vapor collected by a canister to the intake passage is permitted;
update a correction ratio of an air-fuel ratio to reduce a deviation of an air-fuel ratio detection value, which is a detection value of the air-fuel ratio of a mixture burned in the internal combustion engine, and a target air-fuel ratio, which is a target value of the air-fuel ratio;
perform an air-fuel ratio learning process of updating a learning value of the air-fuel ratio so that the correction ratio approaches “0”; and
store a learning result of each of the partial lift learning process, the purge learning process, and the air-fuel ratio learning process in a storage,
wherein the internal combustion engine controller is further configured to:
when the learning result of each of the partial lift learning process, the purge learning process, and the air-fuel ratio learning process is not stored in the storage at a time of engine start, learn the injection characteristic of the in-cylinder injection valve through the partial lift learning process whenever the in-cylinder injection valve performs the partial lift injection under a situation in which purging of the fuel vapor to the intake passage is stopped, interrupt the partial lift learning process before the partial lift learning process is completed, and then resume the partial lift learning process provided that the purge learning process has been completed;
when the learning result of each of the partial lift learning process, the purge learning process, and the air-fuel ratio learning process is not stored in the storage at the time of engine start, permit purging of the fuel vapor to the intake passage provided that the partial lift learning process is interrupted and then performing the purge learning process; and
when the learning result of each of the partial lift learning process, the purge learning process, and the air-fuel ratio learning process is not stored in the storage at the time of engine start, start the air-fuel ratio learning process provided that the partial lift learning process has been interrupted.

US Pat. No. 10,711,721

CONTROL DEVICE FOR ELECTROMAGNETIC FUEL INJECTION VALVE

HITACHI AUTOMOTIVE SYSTEM...

1. A control device for an electromagnetic fuel injection valve that supplies a drive current to a solenoid to open a valve body by magnetic force and injects fuel into an internal combustion engine,a supply period for the drive current comprises a peak current supply period for generating a magnetic force required for the valve-opening operation of the valve body, a current cutoff period for rapidly reducing the peak current after the peak current supply period, and
a lift amount adjustment period in which a current smaller than the peak current is supplied for a predetermined period after the current cutoff period, and
the control device fixes the current drive profile of the peak current supply period and the current cutoff period to a condition under which the minimum lift amount of the valve body is generated, and the lift amount of the valve body is controlled based on the length of the lift amount adjustment period.

US Pat. No. 10,711,719

APPARATUS AND METHOD OF CONTROLLING CATALYST ACTIVATION DURING COLD START OF VEHICLE

Hyundai Motor Company, S...

1. A method of controlling activation of light off time of a catalyst which controls exhaust emission from an engine of a vehicle, the method comprising:determining whether the vehicle is in a cold start condition;
determining a deterioration level of the catalyst by use of a temperature sensor; and
retarding a spark timing according to the determined deterioration level of the catalyst and increasing a temperature of exhaust gas,
wherein, when the deterioration level of the catalyst is higher than a predetermined value, a spark ignition timing retard value is configured to be increased.

US Pat. No. 10,711,718

CONTROLLER AND CONTROL METHOD FOR ENGINES

1. A controller for an engine of a vehicle, comprising:a sensor that detects an actuation state of a service brake;
a sensor that detects an actuation state of a parking brake;
a sensor that detects a gear shift position of a transmission; and
a control unit that controls an engine according to output signals of the sensors, wherein
the control unit is configured to
stop the engine when the control unit perceives occurrence of a first condition wherein the vehicle is stopped, the service brake is released, the parking brake is actuated, and the gear shift position is a neutral position, and
stop the engine when the control unit perceives occurrence of a second condition wherein the vehicle is stopped by reason other than occurrence of the first condition, the service brake is actuated and the gear shift position is a forward gear position,
wherein the control unit is configured to determine that the engine is stopped in the first condition or the second condition and to change whether the control unit perceives the condition that has stopped the engine as the first condition or the second condition in response to a change in one or more of the actuation state of the service brake, the actuation state of the parking brake and the position of the gear shift,
wherein, after determining that the engine has been stopped by establishment of the first condition, the control unit is configured to change what the control unit perceives to be the condition that has stopped the engine to the second condition when the service brake has been actuated, the parking brake has been released, and the gear shift position is a forward gear position, and
wherein, after determining that the engine has been stopped by establishment of the second condition, the control unit is configured to change what the control unit perceives to be the condition that has stopped the engine to the first condition when the service brake has been released, the parking brake has been actuated, and the gear shift position is a neutral position.

US Pat. No. 10,711,717

METHOD FOR THE COMBINED IDENTIFICATION OF PHASE DIFFERENCES OF THE INLET VALVE STROKE AND OF THE OUTLET VALVE STROKE

VITESCO TECHNOLOGIES GMBH...

1. A method for analyzing a cylinder of a series-production internal combustion engine during operation, the method comprising:measuring dynamic pressure oscillations, associated with the cylinder, of intake air in an air intake tract of the series-production internal combustion engine during operation;
generating a pressure oscillation signal based on the measured dynamic pressure oscillations;
determining a crankshaft phase angle signal corresponding in time to the measured dynamic pressure oscillations;
determining a phase position and an amplitude corresponding to a selected signal frequency of the measured dynamic pressure oscillations based on the crankshaft phase angle signal and the pressure oscillation signal, using a discrete Fourier transformation;
determining, using stored reference line data or stored algebraic functions, a constant-phase-position line having a constant phase position corresponding to the determined phase position and a constant-amplitude line having a constant amplitude corresponding to the determined amplitude;
projecting the constant-phase-position line and constant-amplitude line onto a common plane and determining an intersection point of the projected constant-phase-position line and the projected constant-amplitude line;
determining an inlet valve stroke phase difference and an outlet valve stroke phase difference of the cylinder based on the determined intersection point; and
adjusting at least one control parameter of the series-production internal combustion engine based on the determined inlet valve stroke phase difference and outlet valve stroke phase difference.

US Pat. No. 10,711,716

CONTROL METHOD OF INTERNAL COMBUSTION ENGINE

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

1. A control method of an internal combustion engine which comprises a plurality of cylinders, a valve operation phase variable mechanism configured to change a valve operation phase of at least one of an intake valve and an exhaust valve provided in each of the plurality of cylinders, and a cylinder deactivation mechanism configured to perform switching between partial cylinder operation in which a part of the plural cylinders is operated and whole cylinder operation in which all of the cylinders are operated, comprising steps of:(a) executing, by a computer, a preparation control for suppressing fluctuation of an output torque of the engine at the time of executing switching operation from the whole cylinder operation to the partial cylinder operation when a switching request from the whole cylinder operation to the partial cylinder operation is made;
(b) calculating, by a computer, target switching time executing the switching operation after the preparation control is completed in accordance with the valve operation phase; and
(c) outputting, by a computer, switching command signal to the cylinder deactivation mechanism based on the target switching time to execute the switching operation.

US Pat. No. 10,711,715

SYSTEM AND METHOD FOR IMPROVING CYLINDER DEACTIVATION

Ford Global Technologies,...

1. A method for operating a vehicle driveline, comprising:estimating a plurality of engine fuel consumption values for operating an engine coupled to a transmission in three different gears while the transmission is engaged in a gear;
engaging one of the three different gears in response to the plurality of engine fuel consumption values; and
shifting the transmission in response to a temperature of a catalyst coupled to the engine exceeding a threshold.

US Pat. No. 10,711,714

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

AVL List GmbH, Graz, UT ...

1. A method for operating an internal combustion engine during a defined cycle, wherein engine raw emissions of the internal combustion engine are adjustable via at least one emission control parameter and wherein the defined cycle has at least one monitoring window (F1, F2, F3) with a starting point (A1, A2, A3) and an endpoint (B1, B2, B3), and the at least one monitoring window includes a first monitoring window (F1) of the cycle defined by a first starting point (A1) and a first endpoint (B1), the method including the following steps:defining, at the time of the first endpoint (B1), at least one sub-monitoring window (F2) including a partial window starting point (A2) lying before the first endpoint (B1) and a sub-window endpoint (B2) coinciding with the first endpoint (B2),
performing a predictive and quantitative estimation of at least one observed emission amount (E) for a second monitoring window (F3) based on the at least one observed emission amount (E) of the at least one sub-monitoring window (F2) before reaching a second endpoint (B3) of the second monitoring window (F3), where a second starting point (A3) lies before the first endpoint (B1),
comparing the estimated at least one observed emission amount for the second monitoring window (F3) with a defined maximum emission amount, and
upon reaching or exceeding the defined maximum emission amount, adaptively modifying at least one emission control parameter of the internal combustion engine to lower the at least one observed emission amount (E).

US Pat. No. 10,711,713

FUEL TANK VENTING SYSTEM FOR A MOTOR VEHICLE

Daimler AG, Stuttgart (D...

1. A method for diagnosing a fuel tank venting system, wherein the fuel tank venting system includes an intake manifold configured to supply air to a cylinder of an internal combustion engine of the motor vehicle, the intake manifold including a throttle valve and an air filter; a fuel tank; a tank vent valve having an inlet side and an outlet side; a cutoff valve; an electronic control device configured to actuate the throttle valve, the tank vent valve, and the cutoff valve; a first vent line having a first check valve with a first closing element; and a second vent line having a second check valve with a second closing element, wherein the cutoff valve is indirectly or directly connected to the inlet side of the tank vent valve, and the outlet side of the tank vent valve is connected to an inlet side of the first vent line and to an inlet side of the second vent line, wherein an outlet side of the first vent line is connected to the intake manifold upstream from the throttle valve and downstream from the air filter, and an outlet side of the second vent line is connected to the intake manifold downstream from the throttle valve, the method comprising the steps of:performing a regeneration operation by simultaneously opening the tank vent valve and the cutoff valve;
determining, during the regeneration operation, whether a full load regeneration operation or a part-load regeneration operation is present as a function of a degree of opening of the throttle valve; and
(i) detecting a position of the first closing element of the first check valve via a position sensor and (ii) determining a position of the second closing element of the second check valve based on the detected position of the first closing element, or (i) detecting the position of the second closing element of the second check valve via the position sensor and (ii) determining the position of the first closing element of the first check valve based on the detected position of the second closing element,
wherein a piece of error information is stored in the electronic control device when a closed position of the first closing element is determined by the position sensor and a full load regeneration operation is present, and
wherein a piece of error information is stored in the electronic control device when an open position of the first closing element is determined by the position sensor and no full load regeneration operation is present.

US Pat. No. 10,711,712

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

Massachusetts Institute o...

1. A fuel management system for a spark ignition engine, comprising:a first fueling system that uses direct injection; and
a second fueling system that uses port fuel injection,
wherein the fuel management system is configured to provide fueling in a first torque range, the first torque range being a first range of torque values at which both the first fueling system and the second fueling system are operable throughout the first range of torque values,
wherein the fuel management system is further configured such that a fraction of fueling provided by the first fueling system is higher at a highest value of torque in the first torque range than in a lowest value of torque in the first torque range,
wherein the fuel management system is further configured to provide fueling in a second torque range, the second torque range being a second range of torque values at which the second fueling system is operable throughout the second range of torque values and the first fueling system is not operable throughout the second range of torque values,
wherein the fuel management system is further configured such that when the system provides fueling at a torque value that exceeds the second range of torque values, the spark ignition engine is operated in the first torque range, and
wherein the fuel management system is further configured to use a stoichiometric air/fuel ratio at all values of torque in the first and second torque ranges.

US Pat. No. 10,711,711

VEHICLE CONTROLLER

TOYOTA JIDOSHA KABUSHIKI ...

1. A vehicle controller configured to control a vehicle, whereinthe vehicle includes
an internal combustion engine including a forced-induction device,
a boost pressure sensor that detects, as a boost pressure, a pressure in a section of an intake passage of the internal combustion engine on a downstream side of the forced-induction device, and
a torque applying mechanism that applies a rotational to a crankshaft of the internal combustion engine,
the controller comprising a controlling section configured to control the torque applying mechanism,
the controlling section is configured to execute a negative torque control by using the torque applying mechanism when execution conditions are satisfied, the execution conditions including a condition that an increase amount per predetermined time of the boost pressure has become greater than a preset boost pressure determination value, and
the negative torque control is a control to set the rotational torque applied to the crankshaft by the torque applying mechanism to a negative value that is on a negative side of a value immediately before start of the negative torque control.

US Pat. No. 10,711,710

REDUCED MATERIAL SPIGOT DESIGN FOR INTEGRATED VDA ADAPTER HOUSING WITH AS-CAST ANTI-ROTATION FEATURE

Continental Powertrain US...

1. An apparatus, comprising:a throttle control assembly, including:
a housing;
an adapter integrally formed with the housing;
an anti-rotation feature integrally formed with the housing;
a scallop integrally formed as part of the housing, such that the scallop substantially surrounds the anti-rotation feature;
a plurality of outer scallops integrally formed as part of the adapter; and
a plurality of sections having reduced thicknesses, each one of the plurality of sections being part of a corresponding one of the plurality of outer scallops;
wherein the anti-rotation feature, the scallop, and each of the plurality of outer scallops are integrally formed with the housing during a molding process.

US Pat. No. 10,711,709

CONTROLLING AN AIR CHARGE PROVIDED TO AN ENGINE

JAGUAR LAND ROVER LIMITED...

1. A method of controlling an air charge provided to a vehicular engine comprising:determining a target valve lift of an inlet valve in a continuously variable valve lift system based, at least in part, on:
a required air charge for a given torque request; and
an estimate of a variable pressure of an engine intake manifold for a time when the inlet valve is to be actuated in accordance with the target valve lift;
controlling actuation of the inlet valve in the continuously variable valve lift system in accordance with the determined target valve lift,
wherein the estimate of the variable pressure of the engine intake manifold for the time when the inlet valve is to be actuated in accordance with the target valve lift is determined at least a first time period before a time when the inlet valve is to be actuated in accordance with the target valve lift, wherein a duration of the first time period is greater than or equal to a delay between output of a control signal to command actuation of the inlet valve in accordance with the target valve lift and actuation of the inlet valve in accordance with the target valve lift, wherein the estimate is based, at least in part, on an output of a model of a predicted change in a pressure of the engine intake manifold as a function of time; and
applying a correction to the output of the model of the predicted change in the pressure of the engine manifold as a function of time, wherein the correction is based, at least in part, on a difference between the output of the model for a given time and a measurement of the variable pressure of the engine intake manifold at the given time.

US Pat. No. 10,711,708

CONTROL DEVICE FOR ENGINE

Mazda Motor Corporation, ...

1. A control device for an engine including a cylinder, a piston, a cylinder head, and a combustion chamber formed by the cylinder, the piston, and the cylinder head, comprising:a fuel injector attached to the engine;
a spark plug disposed to be oriented into the combustion chamber and configured to perform a forced ignition;
a swirl control valve provided in an intake passage connected to an intake port; and
a controller connected to the fuel injector, the spark plug, and the swirl control valve and configured to output a control signal to the fuel injector, the spark plug, and the swirl control valve, respectively, the controller including:
a processor configured to execute:
a swirl control valve controlling module configured to output the control signal to the swirl control valve to close in a given operating state of the engine;
a first fuel injection controlling module configured to output the control signal to the fuel injector to perform a first fuel injection at a predetermined first timing after the swirl control valve is closed and between intake stroke and an intermediate stage of compression stroke;
a second fuel injection controlling module configured to output the control signal to the fuel injector to perform a second fuel injection at a predetermined second timing set on a retarding side of the first fuel injection; and
a spark plug controlling module configured to output the control signal to the spark plug to perform the forced ignition at a given ignition timing after the second fuel injection so that a mixture gas starts combustion by flame propagation and then an unburned mixture gas self-ignites, the given ignition timing being stored in memory.

US Pat. No. 10,711,707

METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE

Robert Bosch GmbH, Stutt...

1. A method for ascertaining whether a combustion process is being carried out in a cylinder of an internal combustion engine, the method comprising:determining a time curve of an ascertained energy of the internal combustion engine; and
deciding whether the combustion process is present as a function of a relative angle between: (i) a characteristic signature of a variable characterizing the determined time curve of the ascertained energy of the internal combustion engine, and (ii) a specified crankshaft angle of a crankshaft;
wherein the ascertained energy includes a kinetic energy given by the rotational movement of the internal combustion engine, and wherein the determining of the time curve includes ascertaining a kinetic rotational energy of the crankshaft and ascertaining a kinetic energy of an up-and-down movement of at least one piston of the internal combustion engine.

US Pat. No. 10,711,706

EXHAUST GAS FLAP DRIVE

TENNECO GMBH, Edenkoben ...

1. An exhaust gas flap drive for an internal combustion machine, comprising:a drive shaft featuring a middle axis m,
an exhaust gas flap shaft indirectly connected to the drive shaft and featuring a middle axis k having i) a first direction coaxial and parallel to the middle axis k and ii) a second direction coaxial and parallel to the middle axis k that is opposite the first direction, and
a coupling element designed as a spring,
wherein the coupling element has a first end section which is connected to the drive shaft in a torque-proof manner,
wherein the drive shaft has a holder in which the first end section is supported,
wherein the coupling element also has a second end section which is connected via a coupling member to the exhaust gas flap shaft in a torque-proof manner,
wherein the coupling member and the second end section connection consists of an interlocking connection that prevents movement therebetween in both the first direction and the second direction and in a first circumferential direction determined with respect to the middle axis k and a second circumferential direction determined with respect to the middle axis k, with the second circumferential direction being opposite the first circumferential direction, and
wherein the interlocking connection between the coupling member and the second end section has no degree of freedom, since the coupling member and the second end section have interlocking parts in all possible directions, and
wherein the coupling member is designed at least partially as a disc with an edge running around the middle axis m, wherein on the edge, at least two or three recesses are provided which run radially, and which serve as a mount for the second end section.

US Pat. No. 10,711,705

OPERATION CONTROL METHOD AND UPGRADE METHOD FOR GAS TURBINE, AND SETTING CHANGE METHOD FOR GAS TURBINE CONTROL SYSTEM

MITSUBISHI HITACHI POWER ...

1. An operation control method for a gas turbine comprising:a compressor that compresses air supplied through an air supply line;
a combustor that is supplied with fuel and combusts compressed air compressed by the compressor;
a turbine that is rotated by combustion gas generated by the combustor;
a cooling air supply part that supplies part of the compressed air to the turbine as cooling air for the turbine; and
an air intake valve that is provided in the air supply line and adjusts an amount of air supplied to the compressor,
the operation control method comprising the steps of:
calculating an opening degree set value of the air intake valve relative to a measured output value that is a measurement result of an output of the gas turbine, on the basis of the measured output value and a first function defining a relation between the measured output value and the opening degree set value;
adjusting an opening degree of the air intake valve on the basis of the calculated opening degree set value;
when an upgrade of reducing a supply amount of the cooling air supplied to the turbine and replacing components provided in the turbine with components adapted to the supply amount of cooling air has been performed, changing the first function according to the post-upgrade supply amount of cooling air and the replaced components;
obtaining a set temperature that is preset for exhaust gas discharged from the turbine, relative to a pressure ratio of the compressor, on the basis of the pressure ratio and a second function defining a relation between the pressure ratio and the set temperature; and
when the upgrade has been performed, changing the second function to a function that is calculated from a first correction value and a second correction value, the first correction value corresponding to a further decrease in an exhaust gas temperature due to thermal expansion caused by a rise in the pressure ratio, the second correction value corresponding to a further rise in the exhaust gas temperature caused by a decrease in the supply amount of cooling air.

US Pat. No. 10,711,704

FUEL CONTROL SYSTEM WITH SHUTOFF FEATURE

HAMILTON SUNDSTRAND CORPO...

1. A fuel control system, comprising:a fuel delivery valve selectively moveable to a closed position to shut off a flow of fuel to a downstream location;
a windmill bypass valve; and
a shutoff pressure line between the windmill bypass valve and the fuel delivery valve, the windmill bypass valve selectively operable to direct fuel to the shutoff pressure line to assist the movement of the fuel delivery valve to the closed position.

US Pat. No. 10,711,703

FLUTTER SENSING AND CONTROL SYSTEM FOR A GAS TURBINE ENGINE

RAYTHEON TECHNOLOGIES COR...

1. A gas turbine engine comprising:a fan section including a fan;
a fan casing surrounding the fan section;
a compressor section defining an engine axis;
a gear train that reduces a rotational speed of the fan relative to a shaft;
a low pressure turbine coupled to the shaft;
a nacelle extending along the engine axis and surrounding the fan casing;
a bypass ratio of greater than 10;
a variable area fan nozzle defining a discharge airflow area; and
a flutter sensing system including a controller programmed to move the variable area fan nozzle to vary the discharge airflow area in response to detecting an airfoil flutter condition associated with adjacent airfoils of the fan;
wherein the discharge airflow area extends between the variable area fan nozzle and a core engine casing that surrounds the compressor section;
wherein the flutter sensing system includes a sensor in communication with the controller, and the controller is programmed to move the variable area fan nozzle between a first position having a discharge airflow area and a second position having a second discharge airflow area greater than the first discharge airflow area in response to the airfoil flutter condition;
wherein the sensor detects the airfoil flutter condition;
wherein the sensor detects a time of arrival of the adjacent airfoils, and the controller is programmed to differentiate between airfoil arrival times of the adjacent airfoils that correlate to flutter conditions and other airfoil arrival times of the adjacent airfoils that correlate to non-flutter conditions;
wherein the second position is radially outward from the first position relative to the engine axis; and
wherein the variable area fan nozzle includes a synchronizing ring, a static ring and at least one flap assembly, the at least one flap assembly pivotally mounted to the static ring and linked to the synchronizing ring.

US Pat. No. 10,711,702

MIXED FLOW TURBOCORE

General Electric Company,...

1. A gas turbine engine defining an axial direction and a radial direction, the gas turbine engine comprising:a compressor section;
a combustion section located downstream of the compressor section;
a turbine section located downstream of the combustion section, wherein the turbine section includes a low pressure turbine including a rotating forward block and a rotating aft block, a high pressure turbine, and a stage of airflow injection nozzles that includes a plurality of airflow injection nozzles spaced along a circumferential direction, each airflow injection nozzle extending generally along the radial direction from an outer liner of the turbine section and towards a turbine frame member;
wherein the compressor section, the combustion section, and the turbine section are arranged in serial flow order and define a core air flowpath; and
a structural member extending from the compressor section to the turbine section, the structural member defining a bypass flowpath extending between an inlet in airflow communication with the compressor section and an outlet in airflow communication with the turbine section, the bypass flowpath configured to provide bleed air from the compressor section to the turbine section;
wherein the outlet of the bypass flowpath defined by the structural member is in airflow communication with the stage of airflow injection nozzles, the stage of airflow injection nozzles being positioned within the core air flowpath; and
wherein the structural member extends past the stage of airflow injection nozzles and past the rotating aft block of the low pressure turbine, wherein a portion of the bypass flowpath is configured to provide a portion of the bleed air from the compressor section to the turbine section through an opening separate from the outlet, and wherein the opening injects bleed air into the core air flowpath in a vicinity of the rotating aft block and is located downstream of the stage of airflow injection nozzles.

US Pat. No. 10,711,701

MANUAL BOWED ROTOR AND FULL OVERRIDE

HAMILTON SUNSTRAND CORPOR...

1. A starter air valve comprising:a housing comprising an inlet at a first end and an outlet at a second end opposite the first end, the inlet being fluidly connected to the outlet through a fluid pathway;
a valve projecting into the fluid pathway dividing the fluid pathway into a first chamber and a second chamber, the valve in operation adjusts fluid flow through the fluid pathway;
an actuator operably connected to the valve;
a solenoid; and
a rotary spool valve fluidly connected to the first chamber of the fluid pathway, the rotary spool valve operable to rotate to at least one of a normal start position, a full manual override position, and a plurality of partial manual override positions,
wherein the rotary spool valve is in variable fluid connection with the actuator,
wherein the rotary spool valve is fluidly connected to the actuator through the solenoid when the rotary spool valve is in the normal start position,
wherein the rotary spool valve is fluidly connected to the actuator when the rotary spool valve is in the full manual override start position, and
wherein the rotary spool valve is fluidly disconnected from the actuator when the rotary spool valve is in each of the plurality of partial manual override start positions.

US Pat. No. 10,711,700

GAS TURBINE START SYSTEM TO ENABLE ROTOR THERMAL STABILIZATION WITH BACKUP BLEED BYPASS COOLING MODE

RAYTHEON TECHNOLOGIES COR...

1. A system comprising:a starter air valve in fluid communication with an air turbine starter to drive motoring of a gas turbine engine responsive to a compressed air flow from a compressed air source;
a manual override operably connected to the starter air valve, the manual override is operable to open the starter air valve a select percentage by moving the manual override to a detent engaged position; and
a pressure regulating bleed valve in fluid communication with the starter air valve, the pressure regulating bleed valve operable to bleed a portion of the compressed air flow to regulate a motoring speed of the gas turbine engine in response to detection of the manual override in a detent engaged position,
wherein the manual override further comprises a detent plate having a detent hole and a detent ball opposite the detent plate, the detent ball is operable to engage the detent hole when the manual override is pushed downward and rotated to the detent engaged position.

US Pat. No. 10,711,699

AUXILIARY TORCH IGNITION

Woodward, Inc., Fort Col...

1. A gas turbine combustor assembly, comprising:a primary combustion chamber in fluid communication with a primary fuel injector and a primary air inlet; and
a torch igniter coupled to the primary combustion chamber, the torch igniter comprising:
an auxiliary fuel injector;
an ignition source; and
an igniter body carrying the auxiliary fuel injector and the ignition source, the igniter body comprising:
an auxiliary combustion chamber having a side wall extending axially from a first end wall to a second end wall defining a fluid outlet leading to an outlet tube in fluid communication with the primary combustion chamber wherein a premixing cup resides in the auxiliary combustion chamber,
an outer shell comprising a fluid inlet coaxially aligned with the outlet tube, and
a fluid annulus defined by an inner surface of the shell and an outer surface of the auxiliary combustion chamber, the annulus directing an upstream fluid flow from the fluid inlet towards the first end wall,
wherein at least a portion of the outlet tube comprises a distributed pattern of dilution apertures configured to route a first portion of the upstream fluid flow from the fluid annulus into a downstream flow of heated gas exiting the auxiliary combustion chamber through the outlet tube, and
wherein at least a portion of the side wall comprises a distributed pattern of cooling apertures, with each of the cooling apertures extending obliquely through the side wall of the auxiliary combustion chamber, so as to cause a second portion of the upstream fluid flow entering an interior cavity of the auxiliary combustion chamber from the fluid annulus through the coding apertures to form a fluid film along an inner surface of the side wall.

US Pat. No. 10,711,698

GAS TURBINE ENGINE FUEL SYSTEM PROGNOSTIC ALGORITHM

RAYTHEON TECHNOLOGIES COR...

1. A method of calculating a fuel pump life expectancy in a fuel burning engine, the method comprising:outputting fuel using a fuel pump operating at a fuel pump speed;
tracking the fuel pump speed of the fuel burning engine;
adjusting a position of the at least one fuel actuated actuator according to a baseline point of the fuel pump speed so as to reach a valve opening position within a valve adjustment time period;
tracking a position value indicating the position of at the least one fuel actuated actuator in the fuel burning engine;
delivering the fuel, via at least one fuel actuated actuator, to the fuel burning engine until the at least one fuel actuated actuator reaches a predetermined position;
changing the fuel pump speed to a second fuel pump speed as the fuel pump wears, thereby increasing the baseline point of the fuel pump and the valve adjustment time period;
calculating, via a processor, a fuel pump life expectancy value based on the fuel pump speed, the change in the valve adjustment time period, and the position value of the at least one fuel actuated actuator;
detecting, via the processor, when the fuel pump exceeds the fuel pump life expectancy in response to at least one of the baseline point and the valve adjustment time period exceeding a threshold value; and
generating, via the processor, monitored health results indicating the fuel pump should be replaced in response to the fuel pump exceeding the fuel pump life expectancy.

US Pat. No. 10,711,697

ROTATABLE AND ADJUSTABLE HOSE FOR GAS TURBINE

General Electric Company,...

1. A gas turbine engine system comprising:a fuel delivery circuit configured to convey fuel;
a combustion chamber configured to combust the fuel; and
a flexible hose that fluidly connects the fuel delivery circuit to the combustion chamber, the flexible hose comprising:
a combustion chamber connector portion attached to the combustion chamber;
a fuel delivery circuit connector portion attached to the fuel delivery circuit; and
a central flexible portion connecting the combustion chamber connector portion to the fuel delivery circuit connector portion, the central flexible portion defining a central longitudinal axis when the central flexible portion is in a straight condition,
wherein the central flexible portion is made of a flexible material;
wherein the fuel delivery circuit connector portion comprises a pivotal assembly with a fixed portion, an adjustable portion, and a securing ring on an exterior of the adjustable portion, the securing ring being configured to engage the fixed portion to secure the adjustable portion in place within the pivotal assembly;
wherein the adjustable portion is pivotal relative to the central longitudinal axis while the adjustable portion is secured in place by the securing ring;
wherein the adjustable portion forms part of a flow path for the fuel, and
wherein the central flexible portion has a first minimum bending radius that is greater than a second minimum bending radius of the pivotal assembly.

US Pat. No. 10,711,696

ENGINE INSTALLATION USING MACHINE VISION FOR ALIGNMENT

The Boeing Company, Chic...

1. An apparatus comprising:a pylon having a first set of mounting holes, the pylon connected to an aircraft wing;
an aircraft engine having a second set of mounting holes;
a first alignment plate having a first set of indexing pins removably coupled to the first set of mounting holes in the pylon, wherein the first alignment plate has an elongated section that extends outwardly from the pylon when the first alignment plate is coupled to the set of mounting holes in the pylon;
a machine vision system coupled to the elongated section of the first alignment plate, the machine vision system configured to generate a reference line at a first spatial relation; and
a second alignment plate having a second set of indexing pins removably coupled to the set of mounting holes in the aircraft engine, wherein the second alignment plate comprises an elongated first portion coupled to the second set of indexing pins, an intermediate portion, and an elongated second portion, the elongated first portion connected to a first edge of the intermediate portion to form an approximate 90 degree angle between a bottom surface of the elongated first portion and a first side surface of the intermediate portion, the elongated second portion connected to a second edge of the intermediate portion to form an approximate 90 degree angle between a top surface of the elongated second portion and a second side surface of the intermediate portion, the elongated second portion extending outwardly from the aircraft engine when the second alignment plate is coupled to the set of mounting holes in the aircraft engine, wherein the second alignment plate further includes an imaging surface with a target pattern at a second spatial relation located on the second portion, wherein the first and second spatial relations are configured to align the reference line with the target pattern when the first set of indexing pins is aligned with the second set of indexing pins, and wherein a relative position of the reference line with respect to the target pattern is indicative of a relative position of the mounting holes in the pylon with respect to the mounting holes in the aircraft engine with the first set of indexing pins coupled to the mounting holes in the pylon and the second of indexing pins coupled to the mounting holes in the aircraft engine;
wherein the machine vision system includes a camera configured to generate images of the imaging surface showing the relative position of the reference line with respect to the target pattern.

US Pat. No. 10,711,695

METHOD AND SYSTEM FOR POWER PRODUCTION WITH IMPROVED EFFICIENCY

8 Rivers Capital, LLC, D...

1. A method for heating a recirculating gas stream comprising:passing a heated exhaust gas stream through a recuperative heat exchanger to withdraw heat therefrom and form a cooled gas stream;
separating the cooled gas stream into at least a first fraction and a second fraction;
compressing the first fraction of the cooled gas stream to form a compressed first fraction gas stream;
compressing the second fraction of the gas stream so as to add heat to the second fraction of the gas stream and form a compressed second fraction gas stream;
combining the compressed first fraction gas stream and the compressed second fraction gas stream to form a combined recirculating gas stream; and
pumping the combined recirculating gas stream to a pressure that is greater than a pressure of the compressed first fraction gas stream and greater than a pressure of the compressed second fraction gas stream;
wherein the combined recirculating gas stream is heated using the heat withdrawn from the heated exhaust gas stream and the heat added to the second fraction of the gas stream.

US Pat. No. 10,711,693

GAS TURBINE ENGINE WITH AN ENGINE ROTOR ELEMENT TURNING DEVICE

General Electric Company,...

1. A turbine engine comprising;a core having compressor, combustor, and turbine sections in axial flow arrangement, with corresponding rotating elements, including a spinner mounted to a shaft to define engine rotor elements;
a rotary driver including a friction driver attached to and turning the spinner of the engine rotor elements; and
at least one thermoelectric generator in thermal communication with the core and in electrical communication with the rotary driver to provide power to the rotary driver to turn the engine rotor elements.

US Pat. No. 10,711,692

VARIABLE COMPRESSION RATIO MECHANISM

Toyota Jidosha Kabushiki ...

1. A variable compression ratio mechanism for changing a mechanical compression ratio of an internal combustion engine by changing a connecting rod length in a span from a center axis of a piston pin to a center axis of a crank pin of a crankshaft,the variable compression ratio mechanism comprising:
a connecting rod provided with a first shaft receiving hole formed at a small end and a second shaft receiving hole formed at a big end and supporting a crank pin;
an eccentric member inserted in the first shaft receiving hole to be able to rotate and supporting the piston pin so that an axial center of the piston pin is positioned at a position offset from a center axis of the first shaft receiving hole by exactly a predetermined amount;
stoppers provided at the small end, abutting against the eccentric member to restrict a rotational angle of the eccentric member, and making the eccentric member stop at a low compression ratio position where a connecting rod length becomes shorter and a high compression ratio position where the connecting rod length becomes longer;
a first gear provided at the eccentric member and rotating together with the eccentric member,
a second gear attached to the connecting rod to be able to rotate for engaging with the first gear to make the first gear rotate; and
a gear drive mechanism for making the second gear rotate to make the eccentric member rotate, wherein
the gear drive mechanism comprises:
a gear drive pin provided at the second gear;
a first movable member and second movable member housed in a counterweight of the crankshaft and configured to be able to move to the gear drive pin side when making the eccentric member turn;
a first guide groove formed at a surface of the first movable member facing the gear drive pin and engaging with the gear drive pin when making the eccentric member turn from the high compression ratio position toward the low compression ratio position; and
a second guide groove formed at a surface of the second movable member facing the gear drive pin and engaging with the gear drive pin when making the eccentric member turn from the low compression ratio position toward the high compression ratio position, and
the gear drive mechanism is configured to make the gear drive pin moving relatively to the counterweight move along the first guide groove and the second guide groove to make the second gear rotate.

US Pat. No. 10,711,691

CONNECTING ROD FOR VARIABLE COMPRESSION INTERNAL COMBUSTION ENGINE

ECO Holding 1 GmbH, Mark...

1. A method for producing an eccentrical element lever of a the connecting rod including:a crank bearing eye for connecting the connecting rod with a crank shaft of a variable compression internal combustion engine;
a connecting rod bearing eye configured to connect the connecting rod with a cylinder piston of the variable compression internal combustion engine; and
an eccentrical element adjustment arrangement configured to adjust an effective connecting rod length,
wherein the eccentrical element adjustment arrangement includes an eccentrical element that cooperates with an eccentrical element lever,
wherein the eccentrical element is configured to receive a wrist pin of the cylinder piston,
wherein the eccentrical element adjustment arrangement includes at least one cylinder with a piston that is displaceably supported in a cylinder bore hole and connected with a support rod,
wherein the eccentrical element lever includes two eccentrical element lever segments which are connected by at least one connecting bolt to which the support rod is pivotably connected, and
wherein the at least one connecting bolt is configured as a cylindrical roller which protrudes with end portions at outer surfaces of the eccentrical element lever segments and which is heat treated at least in the end portions,
the method comprising the steps:
preassembling the two eccentrical element lever segments by pressing the at least one connecting bolt in bearing bore holes of the eccentrical element lever segments, wherein the at least one connecting bolt is configured as a cylindrical roller which protrudes with the end portions at the outer surfaces of the eccentrical element lever segments; and
performing a heat treatment at least at the end portions, wherein a penetration depth of the heat treatment is selected so that only a surface portion of the end portions is heat treated.

US Pat. No. 10,711,690

WASTEGATE ASSEMBLY AND TURBOCHARGER INCLUDING THE SAME

BorgWarner Inc., Auburn ...

1. A wastegate assembly for controlling flow of exhaust gas to a turbine housing interior of a turbocharger, said wastegate assembly comprising:a valve element having a valve body and a shaft extending away from said valve body, with said shaft extending along an axis between a first end and a second end spaced from said first end along said axis, and with said valve element moveable between a first position and a second position to control the flow of exhaust gas to the turbine housing interior of the turbocharger;
a spindle coupled to said shaft of said valve element for moving said valve element between said first and second positions;
a washer coupled to said shaft of said valve element and spaced from said spindle along said axis such that said spindle is disposed between said valve body and said washer for retaining said spindle to said shaft of said valve element; and
a biasing member disposed between said spindle and said washer, with said biasing member having a trough portion extending toward said spindle and having a crest portion extending toward said washer;
wherein at least one of said spindle and said washer define a seating groove and said biasing member extends at least partially into said seating groove to seat and prevent rotation of said biasing member.

US Pat. No. 10,711,689

CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE

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

1. A control device of an internal combustion engine, comprising:a supercharger having a compressor pressurizing air taken into the internal combustion engine, and a turbine connected to the compressor and rotationally driven by a kinetic energy of an exhaust gas of the internal combustion engine, and
an exhaust gas flow rate varying regulator varying a flow rate of the exhaust gas that drives the turbine,
wherein the control device of the internal combustion engine further comprises:
a hardware controller, configured to calculate a target supercharging pressure according to a target torque of the internal combustion engine; and
a rotational speed detection sensor detecting a rotational speed of the internal combustion engine,
wherein the hardware controller is further configured to determine an operating speed of the exhaust gas flow rate varying device based on the detected rotational speed of the internal combustion engine when a supercharging pressure decreasing state in which the target supercharging pressure decreases is detected.

US Pat. No. 10,711,688

VARIABLE FLOW RATE VALVE MECHANISM AND TURBOCHARGER

IHI Corporation, Koto-ku...

1. A variable flow rate valve mechanism which opens and closes an opening of a variable gas flow rate passage, the variable flow rate valve mechanism comprising:a valve body which opens and closes the opening;
a stem which is rotatably supported by a housing while the valve body is connected to a first end thereof;
a cylindrical bearing which is inserted through a through-hole of the housing and rotatably supports the stem about an axis line of the stem;
a link member which is connected to a second end of the stem; and
a spring mechanism which is disposed in a gap between the link member and an end of the bearing, on a second end side of the stem,
wherein the end of the bearing includes an inclined surface which contacts the spring mechanism and is inclined with respect to the axis line of the stem,
wherein the spring mechanism includes a flange portion which contacts the link member while protruding outward in the radial direction of the bearing at the second end side in an axial direction of the stem, and
wherein the link member is provided with an accommodation recessed portion accommodating the flange portion and restraining the outward movement of the flange portion in the radial direction.

US Pat. No. 10,711,687

CONTROLLER AND CONTROL METHOD FOR WASTEGATE

TOYOTA JIDOSHA KABUSHIKI ...

1. A controller for a wastegate, the wastegate being provided in an exhaust bypass passage that allows exhaust gas to bypass a turbine wheel of an exhaust turbine-type forced-induction device, whereinthe controller comprises a position control mode and a drive force control mode as modes for controlling the wastegate and is configured to set a target operation position and control an operation position of the wastegate in accordance with the target operation position in the position control mode and to set a target drive force and control a drive force of the wastegate in accordance with the target drive force in the drive force control mode,
the controller is configured to control the wastegate in the position control mode when a boost pressure of an engine is less than or equal to a preset value and control the wastegate in the drive force control mode when the boost pressure is greater than the preset value, and
the target operation position in the position control mode is an intermediate operation position between a fully-open position and a fully-closed position of the wastegate when the boost pressure of the engine is less than or equal to atmospheric pressure of the engine.

US Pat. No. 10,711,686

METHODS AND SYSTEM FOR STARTING AN ENGINE

Ford Global Technologies,...

1. A device for pressure-charging a combustion engine, which comprises:at least one compressor, at least one charge air cooler, at least one inlet, and a charger, which are connected to one another in terms of flow by flow ducts, wherein the charge air cooler is arranged downstream of the at least one compressor, and the inlet is arranged downstream of the at least one compressor and of the charge air cooler in the flow direction, and the charger is connected to the inlet via a bypass flow duct arranged between the at least one compressor and the inlet, wherein the charger is arranged lower than the inlet in the vertical direction with respect to gravity, and a moisture sensor is arranged in the bypass flow duct upstream of the charger.

US Pat. No. 10,711,685

INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. An internal combustion engine comprising:a mechanism configured to generate a swirl in a combustion chamber; and
a piston having an intake-side valve recess, which is a recessed surface formed to avoid interference with an intake valve and an exhaust-side valve recess, which is a recessed surface formed to avoid interference with an exhaust valve, wherein
when an amount of a backward tumble flow, which is a tumble flow flowing along a lower surface in the combustion chamber from the intake port toward the exhaust port is smaller than an amount of a forward tumble flow, which is a tumble flow flowing along an upper surface in the combustion chamber from the intake port toward the exhaust port, the intake-side valve recess is used as a first valve recess and the exhaust-side valve recess is used as a second valve recess,
when the amount of the backward tumble flow is larger than the amount of the forward tumble flow, the exhaust-side valve recess is used as a first valve recess and the intake-side valve recess is used as a second valve recess, and
when the piston is cut along a cross-section parallel to a central axis of the piston passing through the first valve recess and the second valve recess adjacent thereto, an inclination angle of the first valve recess is larger than an inclination angle of the second valve recess when comparing the inclination angle such that a height of the recess decreases gradually toward an inner side of the cross-section.

US Pat. No. 10,711,684

FLUID FAN CLUTCH

USUI CO., LTD., Shizuoka...

1. A fluid fan clutch, wherein a fan is removably fixed to a housing via a flange ring with a bolt, the housing is composed of a front-side housing component and a back-side housing component and has radial fan fixing projections arranged at regular intervals in a circumferential direction on an outer circumference of the front-side housing component, and the flange ring is capable of fitting in the housing from a front side or a back side of the fan clutch, characterized in thatthe back-side housing component is provided with projecting parts for preventing backflow of fan air integrally with the back-side housing component, and the projecting parts are arranged to be shifted in a circumferential direction with respect to the fan fixing projections of the front-side housing component.

US Pat. No. 10,711,683

METHOD AND APPARATUS FOR COOLING AN ENGINE

IAV GMBH INGENIEURGESELLS...

1. A method for cooling an engine, the method comprising:increasing the pressure of a liquid coolant from a first pressure to a second pressure;
after increasing the pressure of the liquid coolant, contacting components of the engine to be cooled with the liquid coolant so that the liquid coolant at least partially evaporates and forms a vapor with a particular state;
after the vapor with the particular state forms, feeding the vapor to a throttle so as to reduce the pressure of the liquid coolant to a third pressure;
determining the particular state of the vapor upstream of the throttle based on the temperature and the third pressure of the liquid coolant downstream of the throttle, and based on the second pressure of the liquid coolant upstream of the throttle under an assumption that the throttle is an adiabatic throttle such that enthalpy of the liquid coolant remains constant as the liquid coolant passes the throttle; and
adjusting a desired vapor state based on the determined particular state of the vapor upstream of the throttle.

US Pat. No. 10,711,682

METHOD AND SYSTEM FOR DIAGNOSING FAILURE OF PISTON COOLING DEVICE

Hyundai Motor Company, S...

1. A method for diagnosing a failure of a solenoid valve of a piston cooling device, comprising:when an opening command or a closing command of the solenoid valve is transmitted to inject oil from the piston cooling device, varying, by a controller, a pressure in a variable proportional control oil pump;
monitoring, by the controller, a variation of an oil pressure in an oil flow path of the piston cooling device according to a variation of the pressure in the variable proportional control oil pump, the oil pressure in the oil flow path being measured using an oil pressure switch or an oil pressure sensor disposed at a supply flow path of oil supplied to the piston cooling device; and
after the opening command or the closing command of the solenoid valve is transmitted, determining, by the controller, whether or not a failure occurs at the solenoid valve of the piston cooling device based on whether or not the variation occurs in the oil pressure in the oil flow path measured by the oil pressure switch or the oil pressure sensor in accordance with the variation of the pressure of the variable proportional control oil pump.

US Pat. No. 10,711,681

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

DeltaHawk Engines, Inc., ...

1. An engine, comprising:an aluminum engine block, comprising:
a cylinder comprising an intake port proximate to a first side of the cylinder and an exhaust port proximate to a second side of the cylinder opposite the first side; and
a first fluid flow channel located adjacent at least one of the intake port and the exhaust port to cool the cylinder of the engine block;
a composite sleeve located within the cylinder;
a head assembly comprising a second fluid flow channel to cool the head assembly engaged with the engine block;
a fuel injector assembly coupled to the head assembly, the injector assembly comprising:
a fuel flow channel between a fuel source and an injector tip;
a return fuel channel between the injector tip and the fuel source; and
a cooling fuel channel between the injector tip and the fuel source;
a fire plate fixed between the sleeve and the head assembly; and
a piston having a crown and located within the sleeve and configured to oscillate within the sleeve.

US Pat. No. 10,711,680

METHOD OF FORMING AN INTERNAL COMBUSTION ENGINE WITH A FLUID JACKET

Ford Global Technologies,...

1. A method of forming an engine block comprising:forming a set of inserts, each insert having a lost core material coated in a metal shell, the lost core material shaped to form a fluid jacket, each insert having a first member shaped to form an inlet passage, a second member shaped to form an outlet passage, and a plurality of cylindrical members extending between the first and second members and shaped to form liner cooling passages;
positioning a plurality of cylinder liners adjacent to one another on a casting tool;
stacking the set of inserts about the plurality of liners with each insert spaced apart from an adjacent insert, each cylindrical member of each insert positioned about a respective cylinder liner, and the liners positioned between the first and second members of each insert;
casting the engine block about the plurality of liners and the set of inserts; and
removing the lost core material of each insert of the set of inserts from the cast engine block to form the fluid jackets.

US Pat. No. 10,711,679

METHOD FOR RESTRICTING WORK PRODUCED BY A COMBUSTION ENGINE

1. A method for restricting work produced by a combustion in at least one combustion chamber, wherein an aftertreatment system is arranged for reduction of at least one substance resulting from said combustion, wherein the work produced by said combustion is restricted when there is a malfunction regarding reduction of said at least one substance, the method comprising:performing a first evaluation regarding the reduction of said at least one substance to determine whether a malfunction exists;
when said first evaluation indicates that a malfunction exists, performing a second evaluation regarding the reduction of said at least one substance to determine if the second evaluation also independently indicates that the malfunction exists, said second evaluation being different from said first evaluation; and
restricting work produced by said combustion only when a malfunction regarding reduction of said at least one substance is indicated by each of said first and said second evaluation.

US Pat. No. 10,711,678

ABNORMALITY DIAGNOSIS DEVICE FOR REDUCING AGENT ADDING DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. An abnormality diagnosis device applied to a reducing agent adding device comprising:an addition valve configured to add a reducing agent to an exhaust gas flowing through an exhaust passage of an internal combustion engine;
an electric pump configured to pump up the reducing agent stored in a reducing agent tank;
a reducing agent passage configured to introduce the reducing agent discharged from the pump to the addition valve;
a pressure sensor configured to detect a pressure in the reducing agent passage; and
a controller comprising at least one processor, the controller configured to:
control a voltage to be applied to the pump to a diagnostic voltage which is a voltage at which the pressure detected by the pressure sensor becomes a predetermined pressure, in a state where the addition valve is closed;
switch the addition valve from a valve closed state to a valve open state in a state where the voltage to be applied to the pump is maintained at the diagnostic voltage;
obtain a diagnostic parameter, which is a parameter correlated with an amount of decrease in pressure in the reducing agent passage, based on the pressure detected by the pressure sensor after the addition valve is switched from the valve closed state to the valve open state;
carry out an abnormality diagnosis of the reducing agent adding device by making a comparison between the diagnostic parameter and a predetermined threshold value;
obtain a pump discharge capacity which is an amount of discharge per revolution of the pump; and
correct either one of the obtained diagnostic parameter and the predetermined threshold value, based on the obtained pump discharge capacity,
wherein the controller carries out the abnormality diagnosis of the reducing agent adding device by using the corrected diagnostic parameter or the corrected predetermined threshold value.

US Pat. No. 10,711,676

SYSTEM AND METHOD FOR DETERMINING REDUCTANT DELIVERY PERFORMANCE

Cummins, Inc., Columbus,...

1. A system comprising:a pump;
an injector in fluid communication with the pump; and
a controller communicatively coupled to the pump and the injector, the controller structured to:
interpret, via a pump diagnostic circuit, first and second pump parameters indicative of first and second pump rates;
interpret, via a dosing diagnostic circuit, first and second dosing parameters indicative of first and second reductant flows;
determine, via a delivery diagnostic circuit, a delivery status based on a change of reductant flow based on the first and second reductant flows relative to a change of pump rate of the pump; and
generate, via the delivery diagnostic circuit, a status command indicative of at least one of an under-restricted injector or an over-restricted injector in response to the determination of the delivery status.

US Pat. No. 10,711,675

METHOD OF DETERMINING OPERATION OF AN SCR REDUCTANT DOSER

DELPHI TECHNOLOGIES IP LI...

1. In a selective catalytic reductant dosing system including a reductant injector adapted to inject liquid reductant into an exhaust line, a method of analyzing flow of reductant through the reductant injector comprising:i) determining a measure of the temperature of the reductant injector prior to activation of the reductant injector;
ii) activating the reductant injector;
iii) determining a measure of the temperature of the reductant injector subsequent to activation of the reductant injector;
iv) analyzing the flow of reductant through the reductant injector consequential to activation of the reductant injector by analyzing a change in the measure of temperature prior to activation of the reductant injector and the measure of temperature of the reductant injector subsequent to activation of the reductant injector.

US Pat. No. 10,711,673

EXHAUST PURIFICATION SYSTEM AND CONTROL METHOD

ISUZU MOTORS LIMITED, Sh...

1. An exhaust purification system comprising:a central processing unit (CPU) that acquires a fuel injection amount of a vehicle,
acquires a temperature of a catalyst for reducing and purifying nitrogen compounds in exhaust,
controls the temperature of the catalyst, and
causes an increase in the temperature of the catalyst when the temperature of the catalyst is lower than a predetermined threshold and the fuel injection amount satisfies a predetermined condition, and
wherein the CPU determines whether or not to cause the increase in the temperature of the catalyst by comparing the fuel injection amount with a threshold determined based on a rotational speed of an engine.

US Pat. No. 10,711,672

METHOD AND SYSTEM FOR CATALYST TEMPERATURE CONTROL

Ford Global Technologies,...

1. A method for expediting activation of an exhaust catalyst coupled to an engine, comprising:during a cold-start of the engine,
closing an exhaust throttle, disposed downstream of the exhaust catalyst, and an EGR valve while diverting at least a portion of throttled exhaust gas through an EGR cooler and then through a bypass passage joined to an EGR passage at a junction; and
opening and closing the exhaust throttle a plurality of times in response to an exhaust back-pressure estimated upstream of the throttle and downstream of the catalyst being higher than a threshold pressure while a temperature of the exhaust catalyst is below a threshold temperature.

US Pat. No. 10,711,671

METHOD, SYSTEM AND COMPUTER-PROGRAM PRODUCT FOR CONTROLLING THE PARTICULATE COMBUSTION DURING THE REGENERATION OF A PARTICULATE FILTER OF A DIESEL ENGINE

FCA Italy S.p.A., Turin ...

1. A method for controlling a diesel engine system, said system including a diesel engine, an exhaust line for exhaust gases from the engine, a particulate filter interposed in the exhaust line and an electronic control unit for controlling a plurality of fuel injectors associated with cylinders of the engine,wherein when an accumulated particulate mass in said filter reaches a predetermined threshold amount, a filter regeneration mode is activated, including activating post-injections of fuel by controlling said plurality of injectors, which determines a start of an automatic filter regeneration step, which is caused by an increase in temperature of the exhaust gases fed to the filter, where said increase in temperature is sufficient to burn particulate present in the filter, said method comprising:
receiving a value of said accumulated particulate mass and a temperature value upstream of the filter,
activating an overheating mode that is configured for interrupting particulate combustion, said overheating mode including deactivating said post-injections of fuel, whenever a critical condition occurs for at least a first period of time, said critical condition being a condition wherein said temperature value upstream of the filter exceeds a first threshold value, and
resuming said regeneration mode following a disappearance of said critical condition,
wherein said first threshold value and said first time period are calculated as a function of the accumulated particulate mass in the filter,
wherein said calculated first threshold value and said first period of time increase in time as the particulate mass accumulated in the filter decreases.

US Pat. No. 10,711,670

MUFFLER

ORBITAL AUSTRALIA PTY LTD...

1. A muffler comprising a body defining a plurality of chambers disposed one about another, the plurality of chambers being defined between two opposed side walls, each chamber being separated from a respective adjacent chamber by a common wall therebetween, an inlet for delivery of exhaust gas into one of the chambers and an outlet for discharge of exhaust gas from another of the chambers, adjacent chambers being interconnected for exhaust gas flow from the inlet to the outlet, the plurality of chambers comprising an inner chamber and an outer chamber, an opening in one side wall, the opening being aligned with and communicating directly with an adjacent portion of the inner chamber, the cross-sectional area of the opening being smaller than the cross-sectional area of the portion of the inner chamber with which it communicates, wherein the inlet or the outlet comprises the opening, each chamber communicating with a respective adjacent chamber for exhaust gas flow therebetween through one or more flow passages in the respective common wall between the two adjacent chambers, the one or more flow passages in each common wall having a combined cross-sectional flow area greater than the cross-sectional flow area of the outlet through which exhaust gas is discharged, and wherein the body has length, breadth and depth dimensions, the depth dimension being smaller than the length and breadth dimensions, and the depth dimension being less than half the breadth dimension.

US Pat. No. 10,711,668

LUBRICATION SYSTEM MONITORING ASSEMBLY AND METHOD

Ford Global Technologies,...

1. A monitoring assembly, comprising:a sensor that provides a first output when a lubricant reservoir holds a first amount of a contaminant, and a different, second output when the lubricant reservoir holds a different second amount of the contaminant; and
a lubrication system monitoring controller operatively coupled to the sensor and configured to initiate a maintenance mode in response to the second output, the maintenance mode including starting an internal combustion engine,
wherein the sensor is an optical sensor that includes a detector, wherein the lubrication system monitoring controller is configured to calculate an average intensity of light received by the detector at various wavelengths, and further configured compare the average intensities to at least one threshold infrared intensity when assessing whether or not to initiate the maintenance mode.

US Pat. No. 10,711,667

INTERNAL COMBUSTION ENGINE WITH TUBULAR VALVES AND BRAKING SYSTEM

1. A valve for an internal combustion engine, comprising:a completely hollow tube;
at least one port in the hollow tube, the at least one port being configured to access an air inlet or an exhaust of a cylinder in an engine block;
a completely hollow tubular outer insulator outside of the hollow tube, the outer insulator being fixed to a cylinder head; and
a completely hollow tubular inner insulator inside of the hollow tube,wherein the valve is configured such that air or exhaust passes through a length of the hollow tubular inner insulator parallel to a wall of the hollow tubular inner insulator.

US Pat. No. 10,711,666

METHODS AND SYSTEMS FOR CYLINDER VALVE DEACTIVATION

Ford Global Technologies,...

1. A method, comprising:while operating an engine in a first condition,
sending a lower command signal to a cylinder deactivation valve control (CDVC) system without actuating a cylinder valve transition;
determining an impedance of a solenoid of the CDVC system while sending the lower command signal; and
actuating the cylinder valve transition responsive to the determined impedance by sending a higher command signal to the CDVC system.

US Pat. No. 10,711,665

METHOD FOR ASSEMBLING A CAMSHAFT IN A MODULE BODY

THYSSENKRUPP PRESTA TECCE...

1. A method for assembling a camshaft that comprises a main shaft on which at least two sliding cam pieces are disposed in a rotationally-fixed and axially-displaceable manner, wherein each of the at least two sliding cam pieces comprises cam groups and a respective carrier tube with the cam groups seated on each respective carrier tube, wherein each cam group comprises at least two cam tracks for valve-control purposes, the camshaft further comprising an adjustment element configured to axially displace the at least two sliding cam pieces an axial displacement distance, the method comprising:providing a module body that has closed bearing bridges for receiving the camshaft in a rotatable manner;
inserting a first sliding cam piece of the at least two sliding cam pieces axially into a first bearing bridge of the closed bearing bridges;
connecting the first sliding cam piece to the adjustment element;
inserting a second sliding cam piece of the at least two sliding cam pieces axially into a second bearing bridge of the closed bearing bridges; and
connecting the second sliding cam piece to the adjustment element so as to permit the at least two sliding cam pieces to move the axial adjustment distance.

US Pat. No. 10,711,664

VALVE TRAIN HAVING A SLIDING CAM ELEMENT

THYSSENKRUPP PRESTA TECCE...

1. A valve drive comprising:a sliding cam element that is disposed on a carrier shaft so as to be axially displaceable along an axis of rotation of the carrier shaft, wherein the sliding cam includes a first cam profile group with first cam profile sections of mutually different form and a second cam profile group with second cam profile sections of mutually different form, wherein the first cam profile sections have a same configuration as the second cam profile sections; and
a pick-off element by way of which a control movement is picked off from the first and second cam profile sections and transmitted to a valve, wherein the two cam profile groups interact with the pick-off element to jointly control the valve.

US Pat. No. 10,711,661

METHOD AND DEVICE FOR OPERATING A DRIVE UNIT, DRIVE UNIT, MOTOR VEHICLE

Robert Bosh GmbH, Stuttg...

1. A method for operating a drive apparatus of a motor vehicle, the drive apparatus having a reciprocating-piston engine and an exhaust-gas-driven turbocharger having an electrical machine, the method comprising:operating the reciprocating-piston engine in a four-stroke mode during on-load operation;
operating the electrical machine of the exhaust-gas-driven turbocharger in generator mode during overrun operation of the reciprocating-piston engine; and
operating the reciprocating-piston engine in a two-stroke mode during the overrun operation,
wherein at least one camshaft of the reciprocating-piston engine is operated with a four-stroke cam profile during the on-load operation, and with a two-stroke cam profile during the overrun operation, wherein the at least one camshaft is embodied as an axially adjustable camshaft.

US Pat. No. 10,711,660

CAMSHAFT CONNECTOR OF AN ELECTRIC-HYDRAULIC CAMSHAFT PHASER ASSEMBLY

1. An electric-hydraulic camshaft phaser assembly, comprising:a hydraulic camshaft phaser including:
a stator arranged to receive rotational torque and including a plurality of radially inwardly extending protrusions;
a rotor arranged to be non-rotatably connected to a first camshaft and including a plurality of radially outwardly extending protrusions circumferentially interleaved with the plurality of radially inwardly extending protrusions; and,
a plurality of chambers bounded at least in part by the plurality of radially inwardly extending protrusions and the plurality of radially outwardly extending protrusions; and,
an electric camshaft phaser including:
an input non-rotatably connected to the stator;
an output gear; and,
at least one protrusion fixed to the output gear and arranged to be inserted into at least one slot of a second camshaft, wherein the at least one protrusion is arranged to transmit rotational torque from the output gear to the second camshaft.

US Pat. No. 10,711,659

DRIVE ADAPTER FOR CONCENTRIC CAMSHAFT ASSEMBLY

1. A camshaft phaser for a concentric camshaft assembly comprising:a stator defining a cavity and configured to receive power from an engine crankshaft;
a rotor supported within the cavity and rotatable relative to the stator;
a drive adapter including a shank and a head, the shank being extendable through the rotor and configured to engage with an inner camshaft, the head having an end face defining a first key feature and a continuous groove;
a drive plate fixed to the stator and including a radial wall defining a second key feature engageable with the first key feature to rotationally fix the drive adapter to the drive plate; and
an annular gasket received in the groove and sealable with the wall.

US Pat. No. 10,711,658

TRIGGER WHEEL AND DRIVE PLATE FOR A CONCENTRIC CAMSHAFT

1. A camshaft adjuster for an internal combustion engine, the camshaft adjuster comprising:a rotor;
a stator disposed about the rotor in a slideable engagement such that the stator and rotor are rotatable relative to each other;
a trigger wheel configured to interact with an associated sensor for detection of an angular speed or position of the trigger wheel, wherein the trigger wheel has an axial face that defines an opening; and
a drive plate configured to be non-rotatably fixed with an inner camshaft and rotatable relative to the trigger wheel, wherein the drive plate has a tab with an axially-extending portion extending through the opening in the trigger wheel.

US Pat. No. 10,711,657

MECHANICAL CAM PHASING SYSTEMS AND METHODS

HUSCO AUTOMOTIVE HOLDINGS...

1. A cam phasing system configured to vary a rotational relationship between a cam shaft and a crank shaft of an internal combustion engine, the cam phasing system comprising:a sprocket hub;
a cradle rotor at least partially received within the sprocket hub and configured to rotate relative to the sprocket hub;
a plurality of locking assemblies arranged between the sprocket hub and the cradle rotor;
a spider rotor;
a helical slot;
an axial slot, wherein the helical slot and the axial slot are configured in one of the following configurations:
the helical slot being rotationally coupled to the spider rotor for rotation therewith, and the axial slot being rotationally coupled to the cradle rotor or the sprocket hub for rotation therewith; or
the helical slot being rotationally coupled to the sprocket hub or the cradle rotor, and the axial slot being rotationally coupled to the spider rotor for rotation therewith; and
a helix rod including a pin extending through the helical slot and the axial slot, wherein axial displacement of the helix rod is configured to rotate the spider rotor in a desired direction due to the interaction between the pin, the helical slot, and the axial slot, and
whereby rotation of the spider rotor in the desired direction to a known rotary position unlocks the plurality of locking assemblies, which, in turn, allows relative rotation between the cradle rotor and the sprocket hub until the cradle rotor or the sprocket hub rotationally follows the spider rotor in the desired direction to the known rotary position.

US Pat. No. 10,711,656

CONTROL APPARATUS OF VALVE OPENING/CLOSING TIMING CONTROL MECHANISM

AISIN SEIKI KABUSHIKI KAI...

1. A control apparatus of a valve opening/closing timing control mechanism configured by includinga driving side rotating body configured to rotate synchronously with rotation of a crankshaft of an internal combustion engine;
a driven side rotating body configured to rotate integrally with a camshaft for opening or closing of a valve that opens or closes a combustion chamber;
a stopper unit configured to determine a mechanical operation limit on a most retarded angle side and a mechanical operation limit on a most advanced angle side of the driven side rotating body with respect to the driving side rotating body by virtue of a gap between a portion of the driven side rotating body and a portion of the driving rotating body corresponding to the stopper unit no longer being formed; and
an electric motor configured to control a relative rotation phase between the driving side rotating body and the driven side rotating body,
the control apparatus comprising:
a phase controller configured to control the electric motor to reduce, when a target phase is set, a deviation between the target phase and a current first actual phase detected by a phase detection unit that detects the relative rotation phase and to reduce power to be supplied to the electric motor as the deviation decreases; and
a control target setting unit configured to set, instead of the target phase, a first target phase displaced from the target phase to a side of the first actual phase by a set angle in an operation direction in which the deviation is reduced when the target phase is set to a most retarded angle phase or a most advanced angle phase that is an operation limit of the stopper unit,
wherein the phase controller executes a first phase control that is a phase control of reducing a deviation between the set first target phase and the current first actual phase,
wherein, after convergence of the first phase control so that the relative rotation phase is displaced from the first actual phase to the first target phase, the gap between the portion of the driven side rotating body and the portion of the driving rotating body corresponding to the stopper unit is formed.

US Pat. No. 10,711,655

ROCKER ARM ASSEMBLY HAVING A HYDRAULIC LASH ADJUSTER

Caterpillar Inc., Peoria...

17. A method for retrofitting a rocker arm assembly for an engine, the method comprising:removing a first rocker arm assembly from the engine such that a camshaft of the engine remains in the engine;
providing a second rocker arm assembly that comprises:
a rocker shaft;
a rocker arm connected to the rocker shaft such that the rocker arm can pivot relative to the rocker shaft, the rocker arm having a first end, a second end, and a first oil passage;
a pushrod having a top end and a bottom end, the top end being connected to the second end of the rocker arm and the bottom end configured for engaging the camshaft of the engine;
a hydraulic lash adjuster comprising:
a housing;
a first body member disposed in the housing such that a first radial clearance exists between an outer surface of the first body member and an inner surface of the housing, where the first body member comprises a first bore and an opening in fluid communication with the first oil passage of the rocker arm;
a second body member disposed in the first bore of the first body member such that a second radial clearance exists between the inner surface of the first bore of the first body member and an outer surface of the second body member, wherein the second radial clearance is less than the first radial clearance, wherein the second body member comprises a second bore;
a check valve configured to allow oil to flow through the opening of the first body member when the check valve is in an open position and configured to prevent the flow of oil through the opening when the check valve is in a closed position; and
a biasing member disposed in the second bore of the second body member; and
inserting the second rocker arm assembly into the engine such that the bottom end of the pushrod engages the camshaft of the engine and the front end of the rocker arm engages a valve assembly of the engine.

US Pat. No. 10,711,654

VALVE TIMING CONTROLLER

AISIN SEIKI KABUSHIKI KAI...

1. A valve timing controller comprising:a driving side rotation member that synchronously rotates with a crankshaft of an internal combustion engine;
a driven side rotation member which is disposed coaxially with a rotary shaft center of the driving side rotation member and rotates integrally with a valve opening/closing cam shaft;
an advancing chamber and a retarding chamber which are formed between the driving side rotation member and the driven side rotation member;
a valve unit that is disposed coaxially with the rotary shaft center and controls feeding and discharging of a fluid to and from the advancing chamber and the retarding chamber; and
a tubular valve case which has an internal space that extends in a direction along the rotary shaft center, accommodates the valve unit in the internal space, has an opening that is open to an outside at one end in the direction along the rotary shaft center, and has a bottom portion at an other end,
wherein the valve unit includes
a fluid supply pipe having a base end portion accommodated on a bottom portion side of the valve case, and a pipeline portion, wherein the pipeline portion extends along the rotary shaft center from the base end portion toward an opening side of the valve case, has a diameter smaller than a diameter of the base end portion, and has a bottom surface, and
a spool which is disposed slidably in the direction along the rotary shaft center in a state of being guided on an inner peripheral surface of the valve case and an outer peripheral surface of the pipeline portion of the fluid supply pipe,
the valve case includes an advancing port and a retarding port which are formed across the internal space from the outer peripheral surface and respectively communicate with the advancing chamber and the retarding chamber,
the spool includes a plurality of land portions formed at an outer periphery of the spool, and an intermediate hole portion that is formed in an intermediate position of a pair of adjacent land portions of the plurality of land portions and configured to communicate with the advancing port or the retarding port from an inside of the spool by a sliding movement of the spool,
the fluid supply pipe includes a supply port that is provided at an outer periphery of a distal end portion of the pipeline portion and is configured to supply the fluid from an inside of the fluid supply pipe to the intermediate hole portion, and to receive the supply of the fluid from a side of the base end portion opposite the pipeline portion to the pipeline portion, and
the valve case has a first check valve that is provided on the bottom portion side of the valve case, and is configured to allow at least a part of the fluid discharged from the advancing chamber or the retarding chamber to a space between the valve case and the spool to flow from the space to a space further on the bottom portion side than on the base end portion side in the internal space.

US Pat. No. 10,711,653

PROCESS AND SYSTEM FOR EXTRACTING USEFUL WORK OR ELECTRICITY FROM THERMAL SOURCES

1. A process of extracting useful work or electricity from a thermal source, the process comprising the steps of:(a) filling a first side of a first heat exchanger with a liquid or supercritical working fluid;
(b) closing fluid flow in and out of the first side of the first heat exchanger such that a fixed volume of the working fluid is maintained in the first side;
(c) providing a flow of a collection fluid, that is at a higher temperature than the working fluid as a result of heat from the thermal source, through a second side of the first heat exchanger that is adjacent to the first side to affect a transfer of heat from the collection fluid to the fixed volume of the working fluid to raise its temperature and pressure;
(d) releasing the pressurized working fluid from the first side of the first heat exchanger upon the working fluid reaching a threshold state;
(e) directing a flow of the pressurized working fluid to an expander capable of converting the kinetic energy of the pressurized working fluid into useful work or electricity;
(f) providing a cooling conduit comprising a cooling fluid circulating therein, a compressor that compresses the cooling fluid, a second heat exchanger downstream of the compressor, a pressure reduction valve downstream of the second heat exchanger that expands the cooling fluid, and a third heat exchanger downstream of the pressure reduction valve;
(g) directing a flow of the collection fluid through the second heat exchanger such that the collection fluid absorbs heat from the cooling fluid; and
(h) directing a flow of the working fluid after it exits the expander through the third heat exchanger such that the cooling fluid absorbs heat from the working fluid.

US Pat. No. 10,711,652

STEAM TURBINE PLANT

MITSUBISHI HITACHI POWER ...

1. A steam turbine plant comprising:a steam generator;
a steam turbine;
a condenser;
a main steam piping connecting the steam generator and the steam turbine;
a bypass piping branched from the main steam piping and bypassing the steam turbine;
a bypass valve provided in the bypass piping;
a warming piping branched from a portion of the bypass piping upstream of the bypass valve or from a main body of the bypass valve and joining the main steam piping;
a warming valve provided in the warming piping; and
a control system that controls the warming valve,
wherein the control system is configured to output a signal for controlling the warming valve in such a manner as to control a metal temperature of the bypass valve to within predetermined temperature ranges as follows:
(1) being equal to or higher than a saturated temperature of steam flowing into the bypass valve, the saturated temperature being a saturated temperature of the flowing-in steam at a steam pressure during a normal operating;
(2) having a temperature difference from the flowing-in steam of equal to or less than a first allowable value set in advance as an allowable value for thermal shock or thermal deformation produced on a material of the bypass valve; and
(3) being equal to or lower than a second allowable value set in advance based on a relationship between the material of the bypass valve, the metal temperature of the bypass valve, and a formation rate of steam oxidation scale.

US Pat. No. 10,711,651

ROTATING DEVICE FOR A GAS TURBINE AND METHOD FOR ROTATING A COMPONENT

Siemens Aktiengesellschaf...

1. A rotating device for rotating a rotor of a partially opened gas turbine, the partially opened gas turbine comprising a rotor, a lower half of a guide apparatus, and a lower half of an outer casing, the rotating device comprising:a frame configured to be installed on parting joints of the lower half of the outer casing of the partially opened gas turbine,
a collar comprising support arms configured to be connected to parting joints of the lower half of the guide apparatus, the collar further configured to be connected in a force-fitting manner to the rotor of the gas turbine such that a semi-circular receiving section of the collar is adapted to a cross-sectional circumferential shape of the rotor so that rotation of the collar is imparted to the rotor via the collar, and
a force-transmitting connection comprising a cable configured to be connected between the frame and the collar to impart a force on the collar when tensioned to rotate the collar, thereby simultaneously rotating the lower half of the guide apparatus and the rotor.

US Pat. No. 10,711,650

INTERNAL STRUCTURE OF A PRIMARY EXHAUST DUCT

AIRBUS OPERATIONS SAS, T...

1. An internal structure of a primary exhaust duct of a turbomachine, the internal structure comprising:a primary wall comprising a surface of revolution, allowing air to pass through orifices at each end of the surface of revolution and forming an internal surface of the primary exhaust duct,
an interior skin, comprising a surface of revolution, arranged inside the primary wall and extending between an upstream flank configured to face toward the front of the turbomachine and a downstream flank configured to face toward the rear of the turbomachine, and
a plurality of spacers angularly distributed around a periphery of the interior skin and fixed between the primary wall and the interior skin, wherein each spacer adopts a C-section shape with a central wall and two flanges, wherein the central wall has a through-recess, and wherein each spacer comprises a flap configured to move, according to temperature, between a closed position in which the flap closes off the through-recess and an open position in which the flap does not close off the through-recess.

US Pat. No. 10,711,649

COMPRESSOR CASING REPAIR ASSEMBLY AND METHOD

Mitsubishi Hitachi Power ...

1. A method for repairing a compressor casing of a gas turbine engine, the method comprising:positioning an arcuate track within the casing;
mounting the track within the casing on a plurality of position adjustable mounts;
adjusting a radial position of the track relative to the casing using the plurality of position adjustable mounts such that the track is spaced radially inward of the casing and in a substantially concentric arrangement from an inner surface of the casing;
machining the inner surface of the casing along a first path by moving a carrier along the track with a machining device positioned in at least a first axial position and a first angle relative to the track;
adjusting the machining device from the at least the first axial position and the first angle to at least a second axial position and a second angle relative to the track with the track remaining in a same position relative to the casing; and
machining the inner surface of the casing along a second path by moving the carrier along the track with the machining device positioned in the second axial position and the second angle.

US Pat. No. 10,711,648

NOSECONE SUPPORT

RAYTHEON TECHNOLOGIES COR...

1. A nosecone support of a gas turbine engine, comprising:a spar to extend radially from a nosecone with respect to an engine longitudinal axis, wherein the spar is configured to attach to a case to support the nosecone such that the spar is axially aligned with the nosecone and with the case relative to the engine longitudinal axis; and
wherein the spar includes a first end directly secured to the nosecone and an opposing second end secured to a compressor case.

US Pat. No. 10,711,647

GAS TURBINE CASING AND GAS TURBINE

MITSUBISHI HEAVY INDUSTRI...

1. A gas turbine casing configured to accommodate a compressor, a combustor, and a turbine, the gas turbine casing comprising:a first casing having a cylindrical shape and having a first flange portion, the first flange portion having a ring shape and being provided at an axial end of the first casing, the first flange portion having a plurality of first connecting holes provided along a circumferential direction of the first flange portion;
a plurality of first notches provided on an outer periphery of the first flange portion such that the respective first notches are provided between the first connecting holes;
a second casing having a cylindrical shape and having a second flange portion, the second flange portion having a ring shape being provided at an axial end of the second flange portion, the second flange portion having a plurality of second connecting holes provided along a circumferential direction of the second flange portion;
a plurality of second notches provided on an outer periphery of the second flange portion such that the respective second notches are provided between the second connecting holes; and
a plurality of fastening bolts to fasten the first flange portion and the second flange portion with the portions being closely attached to each other and with each fastening bolt penetrating the corresponding first connecting hole and the corresponding second connecting hole, wherein
set values for a first radial direction rate L/H are set such that a maximum stress acting on the first connecting holes and the second connecting holes and a maximum stress acting on the first notches and the second notches each become less than or equal to a preset reference value, where H is a length of each of the first flange portion and the second flange portion in a radial direction, and L is a length of each of the first notch and the second notch in a radial direction.

US Pat. No. 10,711,646

CATCH ASSEMBLY FOR CONTROLLING OPENING OF A DOOR

Rohr, Inc., Chula Vista,...

1. A catch assembly, comprising:a keeper;
a guide; and
a catch including a catch mount, a catch arm and a catch hook;
the catch arm cantilevered from the catch mount, and extending longitudinally away from the catch mount to a distal end of the catch; and
the catch hook connected to the catch arm at the distal end;
wherein the catch is configured to bias the catch hook against the guide, and the catch hook is configured to slide longitudinally along the guide from a first position to a second position where the catch hook engages the keeper; and
wherein the catch hook is configured to lift off from the guide and disengage from the keeper when the catch arm is subject to an external force with at least a component that is greater than and opposite to an internal force that biases the catch hook against the guide.

US Pat. No. 10,711,645

MULTIPLE RESERVOIR LUBRICATION SYSTEM

UNITED TECHNOLOGIES CORPO...

1. A lubrication system for use with a gas turbine engine comprising:a first reservoir for containing a lubricant, wherein the first reservoir includes a first discharge passage through which the lubricant is flowable in a first direction;
a second reservoir for containing the lubricant, wherein the second reservoir includes a second discharge passage through which the lubricant is flowable in a second direction, wherein the first direction is generally opposite to the second direction;
a first pump that pumps the lubricant from the first reservoir;
a second pump that pumps the lubricant from the second reservoir; and
a manifold to distribute a constant and uninterrupted supply of the lubricant to a bearing, wherein the lubricant from the first pump and the second pump flows into the manifold to combine into a common flow, and the common flow exits the manifold through a common manifold discharge;
a valve, wherein the lubricant flows from the common manifold discharge of the manifold to an input of the valve, the valve including a first output fluidly connected to the bearing, a second output, and a third output;
a third discharge passage bypassing the bearing and fluidly connecting the second output to the first reservoir; and
a fourth discharge passage bypassing the bearing and fluidly connecting the third output to the second reservoir.

US Pat. No. 10,711,644

METHOD AND SYSTEM TO ENSURE FULL OIL TUBES AFTER GAS TURBINE ENGINE SHUTDOWN

RAYTHEON TECHNOLOGIES COR...

1. A gas turbine engine comprising:a bearing compartment having an inlet;
a supply line that splits into a supply conduit and a reservoir conduit that are fluidly parallel to one another for a length, the reservoir conduit fluidly rejoining the supply conduit at a junction, the supply conduit fluidly connected to the inlet, the junction upstream of the inlet, and the reservoir conduit including a flow restrictor upstream from the junction; and
a main pump fluidly connected to the supply line and configured to supply a lubricant to the bearing compartment through the supply line and supply and reservoir conduits in an operating state, the main pump having a non-operating state in which the reservoir conduit is configured to more slowly refill the supply conduit through the flow restrictor with the reservoir conduit than the lubricant can evacuate from the supply conduit.

US Pat. No. 10,711,643

TURBINE ENGINE WITH AN OIL GUIDING DEVICE AND METHOD FOR DISASSEMBLING THE TURBINE ENGINE

SAFRAN AIRCRAFT ENGINES, ...

1. A turbine engine provided with a longitudinal rotation axis, the turbine engine comprising a radial shaft with a radial axis said radial shaft forming part of a pitch change system for blades of a propeller, said radial shaft traversing a radial passage of a cylindrical case around the longitudinal rotation axis, andwherein the turbine engine further comprises an annular oil guiding device that extends around the radial shaft, said annular oil guiding device comprising a first annular part and a second annular part nested in one another and secured to one another by hooping, the first part being secured by hooping to the radial shaft and the second part being configured to be separated from the first part by a force oriented along the radial axis and exerted on the second part by a member of the turbine engine forming a stop during a radial movement of the radial shaft.

US Pat. No. 10,711,642

GAS TURBINE ENGINE LUBRICATION SYSTEM AND APPARATUS WITH BOOST PUMP SYSTEM

Raytheon Technologies Cor...

1. A lubrication system for a gas turbine engine having a plurality of components,the lubrication system comprising:
a supply source of a fluid lubricant;
a main supply pump including a first fluid flow inlet port and a first fluid flow exit port, the first fluid flow inlet port in fluid communication with the supply source, and the first fluid flow exit port in fluid communication with the plurality of engine components;
the main supply pump configured to receive a source fluid lubricant flow from the supply source at a first pressure at the first fluid flow inlet port, and the main supply pump configured to produce a supply fluid flow at a second pressure at the first fluid flow exit port, wherein the second pressure is greater than the first pressure; and
a boost pump system including a boost pump, the boost pump including a second fluid flow inlet port and a second fluid flow exit port, the second fluid flow inlet port in fluid communication with the supply source, and the second fluid flow exit port in selective fluid communication with at least one of the plurality of engine components;
the boost pump system configured to produce a boost supply fluid flow at a third pressure at the second fluid flow exit port, wherein the third pressure is greater than the second pressure, and the lubrication system configured to provide the boost supply fluid flow to at least one said component independently of the supply fluid flow.

US Pat. No. 10,711,639

TURBOMACHINE

Mahle International GmbH,...

1. A turbomachine, comprising:a housing surrounding a turbine chamber;
a turbine arranged in the turbine chamber of the housing and configured to be acted on with a working medium;
a flow duct coupled to the turbine for conveying the working medium, the flow duct including an upstream duct portion for feeding the working medium to the turbine and a downstream duct portion for discharging the working medium from the turbine;
at least one bypass channel configured to heat the housing by transferring heat from the working medium to the housing, the at least one bypass channel structured and arranged to extend completely within the housing and guide the working medium around the turbine, wherein an inlet side of the at least one bypass channel is connected to the upstream duct portion at a first coupling point and an outlet side of the at least one bypass channel is connected to the downstream duct portion at a second coupling point;
at least one heat-insulated bypass channel extending at least partially in the housing and configured to bypass the turbine, the at least heat-insulated bypass channel configured to minimize heat transfer of the working medium to the housing;
a valve device disposed at the first coupling point and configured to divide a flow of the working medium among the turbine, the at least one bypass channel, and the at least one heat-insulated bypass channel, wherein the valve device is structured and arranged to redirect the flow of the working medium completely to the at least one bypass channel in a bypass mode;
at least one heat transfer element arranged in the at least one bypass channel to facilitate heat transfer to the housing, wherein the at least one heat transfer element includes ribs distributed circumferentially to one another about an interior surface of the at least one bypass channel and projecting radially towards a center of the at least one bypass channel with respect to a flow direction of the working medium flowing therethrough to facilitate heating the housing to an operating temperature greater than a condensation temperature of the working medium when the valve device is in the bypass mode; and
wherein the at least one bypass channel includes a plurality of bypass channels arranged separate from one another at various locations about the housing and structured to guide the working medium past the turbine, and wherein the plurality of bypass channels extend parallel to one another within the housing between the first coupling point and the second coupling point.

US Pat. No. 10,711,638

TURBINE ENGINE COMPONENT WITH VIBRATION DAMPING

RAYTHEON TECHNOLOGIES COR...

1. A turbine engine component for a gas turbine engine, the turbine engine component comprising:a body; and
a damping cover that covers part of or all of the body, wherein the part of the body includes at least one section of the body configured to be located within airflow of the gas turbine engine;
wherein the damping cover comprises a MAXMET composite,
wherein the MAXMET composite is a composite material comprising a MAX phase material and a metal component, the metal component being a metal matrix.

US Pat. No. 10,711,637

TURBINE COMPONENT ASSEMBLY

GENERAL ELECTRIC COMPANY,...

19. A turbine nozzle assembly, comprising:a nozzle end wall arranged to be disposed adjacent to a hot gas path, the nozzle end wall including a ceramic matrix composite (CMC) composition;
a nozzle outer wall adjacent to the nozzle end wall and arranged to be disposed distal from the hot gas path across the nozzle end wall; and
an interface shield disposed on a contact region of the nozzle end wall, the interface shield being in non-transitory direct contact with the nozzle outer wall,
wherein the interface shield is free of spring coils, elastomers, and woven metal meshes,
wherein the turbine nozzle assembly including the interface shield includes a higher wear resistance than a comparative nozzle assembly not including the interface shield disposed between the nozzle end wall and the nozzle outer wall, and
wherein the interface shield reduces thermal binding relative to the comparative nozzle assembly.

US Pat. No. 10,711,636

FEEDSTOCKS FOR USE IN COATING COMPONENTS

General Electric Company,...

1. A feedstock for use in coating a component, said feedstock comprising a powder mixture comprising a first powder comprising a plurality of first particles and a second powder comprising a plurality of second particles, said second powder being softer than said first powder, at least some of the plurality of first particles and at least some of the plurality of the second particles mechanically couple together to create a plurality of deformed particles, wherein the combination of the plurality of deformed particles and the plurality of second particles create localized areas of softer material within the feedstock.

US Pat. No. 10,711,635

FAN CASING WITH ANNULAR SHELL

General Electric Company,...

1. A turbine engine comprising:a fan having a plurality of circumferentially spaced blades rotatable about a rotational axis;
a multiple layer fan casing surrounding the fan to define a circumferential direction and extending axially to define a fan casing axial length and having a sub-portion axially extending region defining a blade impact zone, the multiple layers comprising:
an inner composite fiber layer co-extensive with the fan casing extending an axial length equal to the fan casing axial length and confronting the blades,
an outer composite fiber layer overlying the inner composite fiber layer; and
a woven glass layer sandwiched between the inner and outer composite fiber layers made from fibers having a higher puncture resistance than the fibers used in the inner composite fiber layer or the outer composite fiber layer;
wherein the inner composite fiber layer, outer composite fiber layer, and the woven glass layer overly the blade impact zone, and the outer composite fiber layer abuts the inner composite fiber layer beyond the blade impact zone.

US Pat. No. 10,711,634

AUTONOMOUS ENGINE HEALTH MANAGEMENT SYSTEM

Raytheon Technologies Cor...

1. An engine health monitoring system comprising:an engine component including a sensor system configured to monitor at least one parameter of the component while an engine including the engine component is in an off state;
an autonomous monitoring system coupled to the sensor system and configured to receive and store the at least one monitored parameter while an engine controller is unpowered; and
the engine controller is communicatively coupled to the autonomous monitoring system.

US Pat. No. 10,711,633

MAIN STOP VALVE

ELLIOTT EBARA TURBOMACHIN...

1. A main stop valve comprising:a hydraulic cylinder;
a piston arranged in the hydraulic cylinder;
a valve rod connected to the piston; and
a valve body connected to the valve rod and configured to block a steam passage,
wherein the main stop valve further comprises:
a pilot cylinder having a communication port in fluid communication with the hydraulic cylinder;
a rod connected in parallel with the valve rod and configured to be inserted from one end of the pilot cylinder;
a sliding ring provided on the rod; and
a pilot sleeve configured to be slidably fitted into an inner surface of the pilot cylinder and slidably fitted into an outer peripheral surface of the sliding ring in a section between the one end of the pilot cylinder and the communication port.

US Pat. No. 10,711,632

VARIABLE NOZZLES IN TURBINE ENGINES AND METHODS RELATED THERETO

General Electric Company,...

1. A turbine engine having a variable nozzle assembly that comprises:a variable nozzle having an airfoil that extends radially across an annulus formed between inner and outer platforms, the airfoil comprising inner and outer ends defined at the inner and outer platforms, respectively; and
a segmented shaft that translates a torque between segments included therewithin, the segmented shaft including a first and second segment;
wherein the first segment of the segmented shaft comprises:
the airfoil of the variable nozzle;
an outer stem extending from the outer end of the airfoil; and
an inner stem extending from the inner end of the airfoil;
wherein:
a first connector and a second connector connect the first segment to the inner platform and outer platform, respectively; and
a third connector connects the first segment to the second segment;
wherein:
the first connector and the second connector comprise a first spherical bearing and a second spherical bearing, respectively; and
the third connector comprises a first universal joint.

US Pat. No. 10,711,630

RETENTION AND CONTROL SYSTEM FOR TURBINE SHROUD RING

HONEYWELL INTERNATIONAL I...

1. A retention and control system comprising:a rotor configured to rotate about an axis;
a shroud ring having a peripheral groove and surrounding the rotor with a clearance defined between the rotor and the shroud ring;
a support ring engaging the shroud ring in the peripheral groove and configured to axially locate the shroud ring, and the support ring including a series of tabs projecting radially outward from the support ring, each tab having an aperture;
a retention spring engaging the support ring radially outward from the shroud ring, the retention spring including a series of openings, where each opening in the series of openings registers with a corresponding one of the apertures; and
an alignment pin extending through one of the openings and one of the apertures, the alignment pin configured to locate the support ring and the engaged shroud ring concentrically with the turbine about the axis.

US Pat. No. 10,711,629

METHOD OF CLEARANCE CONTROL FOR AN INTERDIGITATED TURBINE ENGINE

Generl Electric Company, ...

1. A method of operating an active clearance control system for an interdigitated turbine engine, the method comprising:flowing air from a compressor section to a rotatable outer shroud of an interdigitated turbine section; and
adjusting the flow of air to the outer shroud based at least on an engine condition of the turbine engine;
flowing air from a pressure plenum at a combustion section to a turbine bearing, the turbine bearing comprising an outer air bearing and an inner air bearing;
flowing air between the outer air bearing of the turbine bearing and a turbine rotor hub, the turbine rotor hub connected to the interdigitated turbine section;
flowing air between the inner air bearing of the turbine bearing and a shaft; and
flowing air from the turbine bearing to a pressure regulating valve.

US Pat. No. 10,711,628

SEALING FIN HAVING AN AXIALLY ASYMMETRIC TIP PORTION

MTU Aero Engines AG, Mun...

1. A rotor member for a gas turbine adapted for rotating about a central axis, the rotor member comprising:a blisk having a blisk rotor blade row extending around the central axis or a rotor disk having a mounting portion for installing rotor blades of a rotor blade row extending around the central axis; and
at least one annular sealing fin axially offset from the blisk rotor blade row or the rotor blade row or the mounting portion and extending coaxially therewith, and having a radially outer tip portion having a front flank facing the blisk rotor blade row or the rotor blade row or the mounting portion, and an opposite flank facing away from the front flank, the front flank being less steep than the opposite flank.

US Pat. No. 10,711,627

OPTIMIZED AERODYNAMIC PROFILE FOR AN ARM OF A STRUCTURAL CASING OF A TURBINE, AND STRUCTURAL CASING HAVING SUCH AN ARM

Safran Aircraft Engines, ...

1. An arm of a structural casing of a turbine having a central hub and a shroud, the arm connecting the central hub and the shroud, the arm presenting an aerodynamic profile that, when cold and in a non-coated state, is substantially identical to a nominal profile determined by Cartesian coordinates X,Y,Zadim given in Table 1, in which the coordinate Zadim is a quotient D/H, where D is a distance of a point under consideration from a first reference X,Y plane situated at a base of the nominal profile, and H is a height of said nominal profile measured from said first reference plane that is an intersection of a stacking axis of the arm and an axisymmetric surface of the central hub, out to a second reference plane that is an intersection of said stacking axis with an axisymmetric surface of the shroud, the measurements D and H being taken radially relative to an axial direction of the turbine, while the coordinate X is measured in the axial direction of the turbine, wherein the coordinates X and Y are expressed in millimeters (mm), andwherein: (1) said aerodynamic profile is defined within an envelope of ±1 mm in a direction normal to a surface of the nominal profile, (2) the coordinates X,Y of said aerodynamic profile lie within a range of ±5% relative to the coordinates X,Y of the nominal profile, or (3) the aerodynamic profile is positioned within ±10° with respect to the stacking axis.

US Pat. No. 10,711,626

GUIDE VANE RING AND TURBOMACHINE

MTU Aero Engines AG, Mun...

1. A guide vane ring for a turbomachine comprising,a plurality of rotatable guide vanes that are borne radially outward in a radial direction, and
an inner ring configured and arranged to stabilize the guide vanes,
wherein each of the plurality of rotatable guide vanes has an inner platform plate, and by a cylindrical surface of the inner platform plate, each of the plurality of guide vanes are guided by sliding in an uptake of the inner ring,
wherein a journal extends radially inward from the inner platform plate in each case, the journal having a minimum length that is greater than a minimum depth of the uptake, and being disposed without contact in a journal borehole without relative axial offset, between the inner ring and each of the plurality of guide vanes, the journal borehole passing through a bottom segment of a respective uptake,
wherein the minimum length of the journal and the minimum depth of the respective uptake each extend in the radial direction,
wherein the inner ring has two axially separated ring segments, one of the axially separated ring segments has a radially inward axial projection, which forms a contact region with the other of the axially separated ring segment, and at least one seal in contact with the radially inward axial projection, and
wherein the inner ring further has a plurality of cavities, radially inward relative to the uptakes, at least one of the plurality of cavities receiving a plurality of the journals, and a plurality of separating walls which separate the plurality of cavities from one another in a peripheral direction.

US Pat. No. 10,711,625

WALL CONSTRUCTION FOR GASPATH TRAVERSING COMPONENT

1. A gaspath traversing component of a gas turbine engine comprising:a wall having an outer edge surface exposed to the gaspath and a thickness relative to the gaspath, the wall having a plurality of layers of composite materials forming the thickness, the composite materials including fibers in epoxy, the composite materials exposed to the gaspath to wear as a result of exposure to the gaspath; and
at least one wear indication layer embedded between two of the plurality of layers of composite material, the at least one wear indication layer being made of a material different than that of both of the two of the plurality of layers of composite materials and being visually contrasting with the composite material, the at least one wear indication layer being positioned interiorly of at least one layer of said plurality of layers of composite material relative to the outer edge surface.

US Pat. No. 10,711,624

AIRFOIL WITH GEOMETRICALLY SEGMENTED COATING SECTION

RAYTHEON TECHNOLOGIES COR...

1. A gas turbine engine article comprising:an article body having a geometrically segmented coating section, the geometrically segmented coating section including
a wall having an outer side, the outer side including a series of at least three polygonal cells that are consecutively conjoined by common cell walls, each said polygonal cell defining a cell volume, and
a coating disposed in the array of cells, wherein the series of at least three polygonal cells includes:
(a) each said polygonal cell defining a flat cell floor, a sloped cell top plane, and a cell height from the flat cell floor to the sloped cell top plane, the cell height continuously decreasing across each said polygonal cell, and the cell volumes decreasing across the series, or
(b) each said polygonal cell defining a flat cell floor, a cell top plane, and a cell height from the flat cell floor to the cell top plane, the cell height being constant across each said polygonal cell, and the cell volumes decreasing across the series.

US Pat. No. 10,711,623

GAS TURBINE ENGINE AIRFOIL FREQUENCY DESIGN

Raytheon Technologies Cor...

1. A turbofan engine comprising: a fan section, wherein the fan section includes a hub: a core section includes a turbine section arranged fluidly downstream from the compressor section, a combustor arranged fluidly between the compressor and turbine sections, the fan and core sections configured to produce a thrust in a range 27,000-35,000 pounds-f (120,102-156,688 N); and an airfoil is fixedly supported in the hub in a dovetail arrangement, wherein the fan section has a circumferential array of the airfoil, the array providing a fan diameter in a range of 77-85 inches (1.8-2.2 m), the airfoil having first and second modes each having a frequency, the first mode has the lowest frequency, the second mode has an easywise bending component and has the second lowest frequency, the hub and the airfoil providing the first and second modes, and the second mode frequency is configured to be in a range of 100-140 Hz at a redline fan speed of 3100-3500 rpm, wherein the airfoil comprises an aluminum-based alloy with a density of 0.103 lb/in3 (2.85 g/cm3) and with a modulus of elasticity of 10.4 Mpsi (71 GPa) at room temperature.

US Pat. No. 10,711,622

CUTTING BLADE TIPS

RAYTHEON TECHNOLOGIES COR...

1. A blade, comprising:a blade body extending towards a blade tip surface along a longitudinal axis, the blade body defining a pressure side and a suction side;
a cutting edge integrally formed with the blade tip surface of the blade body; and
a coating disposed over the cutting edge, wherein the coating comprises abrasive particles.

US Pat. No. 10,711,621

TURBINE VANE ASSEMBLY WITH CERAMIC MATRIX COMPOSITE COMPONENTS AND TEMPERATURE MANAGEMENT FEATURES

Rolls-Royce plc, (GB)

1. A turbine vane assembly for a gas turbine engine, the turbine vane assembly comprisinga ceramic matrix composite vane adapted to conduct hot gases flowing through a primary gas path of the gas turbine engine around the turbine vane assembly during use of the turbine vane assembly, the ceramic matrix composite vane includes an outer wall that defines an outer boundary of the primary gas path, an inner wall spaced apart radially from the outer wall relative to an axis to define an inner boundary of the primary gas path, and an aerofoil that extends radially between and interconnects the outer wall and the inner wall, and the aerofoil formed to define an interior cavity that extends radially into the aerofoil, and
a metallic support strut located in the interior cavity formed in the aerofoil and configured to receive force loads applied to the ceramic matrix composite vane by the hot gases during use of the turbine vane assembly, the metallic support strut being spaced apart from the aerofoil at all locations radially between the outer boundary and the inner boundary of the primary gas path to define a cooling channel between the metallic support strut and the aerofoil,
wherein the metallic support strut has an outermost surface that faces the aerofoil and extends radially between the inner boundary and the outer boundary of the primary gas path in the cooing channel and the outermost surface has a surface roughness of about 6.3 ?m Ra or less to provide the metallic support strut with a reflectivity to reduce an amount of radiant and convective heat transfer to the metallic support strut from the ceramic matrix composite vane caused by a temperature difference between the ceramic matrix composite vane and the metallic support strut during use of the turbine vane assembly.

US Pat. No. 10,711,620

INSERT SYSTEM FOR AN AIRFOIL AND METHOD OF INSTALLING SAME

General Electric Company,...

1. An insert system for an airfoil, wherein the airfoil includes a plenum that extends into an aft portion of the airfoil, wherein the plenum includes a plenum inlet, and wherein an entirety of the plenum inlet is defined axially forward of the aft portion, said insert system comprising:a first insert comprising a first neck portion, said first insert sized for insertion into the plenum radially through the plenum inlet, wherein said first insert is movable aftward within the plenum into an installed position such that said first neck portion is positioned aftward in the plenum inlet; and
a second insert sized for insertion into the plenum radially through the plenum inlet forward of said first neck portion in the installed position, wherein said first insert and said second insert comprise a plurality of impingement openings defined therein.

US Pat. No. 10,711,619

TURBINE AIRFOIL WITH TURBULATING FEATURE ON A COLD WALL

1. A turbine airfoil comprising:an outer wall delimiting an airfoil interior, the outer wall extending span-wise along a radial direction of a turbine engine and being formed of a pressure sidewall and a suction sidewall joined at a leading edge and a trailing edge,
at least one partition wall positioned in the airfoil interior connecting the pressure and suction sidewalls along a radial extent so as define a plurality of radial cavities in the airfoil interior,
an elongated flow blocking body positioned in at least one of the radial cavities so as to occupy an inactive volume therein, the flow blocking body extending in the radial direction and being spaced from the pressure sidewall, the suction sidewall and the partition wall, whereby a first near-wall cooling channel is defined between the flow blocking body and the pressure sidewall, a second near-wall cooling channel is defined between the flow blocking body and the suction sidewall, and a connecting channel is defined between the flow blocking body and the partition wall, the connecting channel being connected to the first and second near-wall cooling channels along a radial extent to define a flow cross-section for radial coolant flow, and
turbulating features located in the connecting channel and being formed on the flow blocking body and/or on the partition wall, the turbulating features being effective to produce a higher coolant flow rate through the first and second near-wall cooling channels in comparison to the connecting channel,
wherein the turbulating features are configured to deflect coolant flow in the connecting channel toward the first and second near-wall cooling channels.

US Pat. No. 10,711,618

TURBINE COMPONENT WITH TIP FILM COOLING AND METHOD OF COOLING

RAYTHEON TECHNOLOGIES COR...

1. A component for a gas turbine engine, comprising:an airfoil having a tip portion;
a tip shelf located in the tip portion;
a first plurality of cooling openings located in an edge of the tip shelf that is defined by a pressure side wall that terminates at the tip shelf and extends along at least a portion of a pressure side of the airfoil; and
a second plurality of cooling openings located in an edge of a tip wall portion extending radially from the tip shelf, the edge of the tip wall portion being radially separated from the tip shelf and the edge of the tip wall portion defines a portion of a surface of the tip portion radially separated from the tip shelf that extends along at least a portion of a pressure side of the tip portion.

US Pat. No. 10,711,617

CASTING METHOD, APPARATUS AND PRODUCT

HOWMET CORPORATION, Whit...

1. A turbine component casting having a progressively solidified equiaxed grain microstructure along at least part of its length, said equiaxed grain microstructure being devoid of chill grains and columnar grains along its length.

US Pat. No. 10,711,616

AIRFOIL HAVING ENDWALL PANELS

RAYTHEON TECHNOLOGIES COR...

1. An airfoil comprising:a core structure including
an airfoil portion defining at least a portion of an airfoil profile, the airfoil portion having first and second opposed ends, and
a support wall formed of a metal and extending from the first end;
an endwall panel formed of a ceramic and attached to the support wall adjacent the airfoil portion, the support wall including a first connector and the endwall panel including a second connector that is interlocked with the first connector at a joint that secures the endwall panel to the support wall, one of the first connector and the second connector including a dovetail and the other of the first connector and the second connector including a doveslot, the joint including a gap between the dovetail and the doveslot; and
a second endwall panel attached to the support wall and abutting the endwall panel.

US Pat. No. 10,711,615

FIRST STAGE TURBINE BLADE

Chromalloy Gas Turbine LL...

1. A turbine blade comprising:a blade root;
a platform extending from the blade root; and,
an airfoil extending from the platform, the airfoil having an airfoil shape, the airfoil having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y, and Z set forth in Table 1 wherein the Z values are non-dimensional values from 0 to 1 convertible to Z distances in inches by multiplying the Z values by a height of the airfoil in inches, and wherein the X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z, the profile sections at the Z distances being joined smoothly with one another to form a complete airfoil shape.

US Pat. No. 10,711,614

GAS TURBINE ENGINE

Rolls-Royce PLC, London ...

1. An aircraft comprising a fuselage and a boundary layer ingestion engine wherein the gas turbine engine is mounted adjacent to the fuselage by a distance such that a boundary layer flow over the fuselage is ingested in the engine, the boundary layer ingestion engine comprising a fan, wherein the fan comprises a disc and a plurality of blades integrally formed with the disc;wherein a passageway is defined between adjacent blades, and the blades are arranged relative to each other and are cambered such that the width of the passageway between the adjacent blades converges and then diverges from an entrance to an exit of the passageway, with the width being measured perpendicularly to a chordal line of the blades; and
wherein each blade comprises a mid-section and a trailing edge section adjacent the mid-section and curving from the mid-section, wherein each blade includes local cambering of the trailing edge section, such that a camber line of each blade curves more in the trailing edge section than in the mid-section, and wherein a camber of a trailing edge of the blade is angled at least 10 degrees from a chord of the mid-section of the blade.

US Pat. No. 10,711,613

GAS TURBINE ENGINE AIRFOIL FREQUENCY DESIGN

Raytheon Technologies Cor...

1. A turbomachine airfoil element comprising:an airfoil having pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges, the airfoil extending in a radial direction of a span that is in a range of 2.58-2.88 inch (65.4-73.1 mm);
a chord length extending in a chordwise direction from the leading edge to the trailing edge at 50% of the span is in a range of 1.59-1.89 inch (40.3-48.0 mm); and
at least two of:
a first mode has a frequency of 2088 up to ±10% Hz;
a second mode has a frequency of 3099 up to ±10% Hz;
a third mode has a frequency of 6890 up to ±10% Hz;
a fourth mode has a frequency of 7207 up to ±10% Hz;
a fifth mode has a frequency of 11241 up to ±10% Hz;
a sixth mode has a frequency of 11916 up to ±10% Hz; and
a seventh mode has a frequency of 12600 up to ±10% Hz;
wherein the frequencies are at a zero speed and ambient conditions, and the frequency of any given mode does not exceed the frequency of a higher order mode;
wherein the first mode is a 1EB mode, the second mode is a 1T mode, the third mode is a 2T mode, the fourth mode is a 2EBTE mode, the fifth mode is a 3EBTE mode, the sixth mode is a 3EBLE mode, and the seventh mode is a 1CWB mode, the 1EB, 2EBTE, 3EBTE and 3EBLE modes correspond to deflections substantially parallel to thickness direction, and the 1T and 2T modes correspond to twisting about the radial direction, and the 1CWB mode corresponds to bending that is substantially normal to the thickness direction and substantially along the chordwise direction;
wherein the airfoil element is part of a stator vane having opposing ends supported by potting;
wherein the airfoil is an aluminum-based alloy;
wherein the aluminum-based alloy has a density of about 0.103 lb/in3 (2.85 g/cm3), the aluminum-based alloy has a modulus of elasticity of about 10.4 Mpsi (71 GPa) at room temperature.

US Pat. No. 10,711,612

METHOD FOR MANUFACTURING A ROTOR FOR A TURBINE ENGINE HIGH-PRESSURE COMPRESSOR

SAFRAN AIRCRAFT ENGINES, ...

1. A method for manufacturing a compressor rotor of an aircraft gas turbine engine having an axis of rotation and comprising the parts as follows, axially installed in a stack:a sealing disk, for the seal between said compressor rotor and a combustion chamber, the sealing disk having mounting flanges,
at least one first rotor disk, to be assembled with the sealing disk using the mounting flanges,
an intermediate disk comprising a stage of intermediate blades,
at least one second rotor disk defining rotor blade stages with said at least one first rotor disk and the intermediate disk,
an upstream portion of a connecting shaft between said compressor rotor and a turbine, and
a primary disk defining a first one of the rotor blade stages,wherein, when installing said parts, said parts are stacked one on top of another and then assembled together, and wherein:when installing the sealing disk on said at least one of said at least one first rotor disk and the intermediate disk on said at least one first rotor disk assembled with the sealing disk, an axial packing is applied with a pressure ranging from 40×105 to 60×105 Pa,
prior to assembling the sealing disk with said at least one first rotor disk, the sealing disk is heated to a temperature ranging from 80° to 140° C.,
when installing the intermediate disk on said at least one first rotor disk assembled with the sealing disk, the intermediate disk is heated to a temperature ranging from 120° to 160° C., and then an axial packing is applied with a pressure ranging from 40×105 to 60×105 Pa,
when installing said at least one second rotor disk on the intermediate disk assembled with the at least one first rotor disk, itself assembled with the sealing disk:
a) an axial packing is applied with a pressure ranging from 40×105 to 60×105 Pa,
b) said at least one second rotor disk is cooled down:
b1) either to a temperature ranging from ?70° C. to ?110° C.,
b2) or as a function of maximum outer diameters of the intermediate disk and of said at least one second rotor disk,
c) the intermediate disk is not heated again unless, during step b), the cooling temperature of said at least one second rotor disk was less than ?130° C., to within 10° C.

US Pat. No. 10,711,611

FAN BLADE REPAIR FIXTURE AND METHOD OF REPAIR

RAYTHEON TECHNOLOGIES COR...

1. A fixture for repairing a fan blade, comprising:a base having a first side, a second side, a tip end, and a foot end;
a first support coupled at the first side and perpendicular to the base;
a second support coupled at the second side and perpendicular to the base; and
a footboard, perpendicular to the base, coupled orthogonally between the first support and the second support at the foot end of the base, wherein the footboard comprises a chuck adapted to receive a foot of the fan blade;
wherein the first support comprises a first rail and the second support comprises a second rail, and
wherein the first rail comprises a first channel and the second rail comprises a second channel, a crossbar coupled to the first rail at a first end by a first fastener and to the second rail at a second end by a second fastener, wherein the first end comprises a third channel, wherein the first fastener is disposed through the first channel and the third channel and wherein the second fastener is disposed through the second channel.

US Pat. No. 10,711,610

FACETED FASTENER DRIVER BUMPER WITH COOLING SLOTS

Illinois Tool Works Inc.,...

1. A fastener-driving tool bumper comprising:a body at least partially positionable in a cylinder of a fastener-driving tool, the body having an inner peripheral surface, an outer peripheral surface, an upper force-receiving end configured to be contacted by a piston slidably disposed in the cylinder, and a lower end opposite the upper force-receiving end,
wherein the inner peripheral surface defines a central opening,
wherein multiple spaced apart cooling slots defined in the body are in fluid communication with the central opening through the body and terminate within the body,
wherein the multiple cooling slots are adjacent to the lower end,
wherein the multiple cooling slots each comprise a first portion and a second portion transverse to and in fluid communication with the first portion, and wherein the second portion has a greater length than the first portion.

US Pat. No. 10,711,609

VIBRATION AND STRAIN MONITORING METHOD FOR KEY POSITIONS OF TUNNEL BORING MACHINE

DALIAN UNIVERSITY OF TECH...

1. A vibration and strain monitoring method for key positions of a tunnel boring machine (TBM), comprising the following steps:the arrangement of sensor nodes:
step 1, overall safety layout
the monitoring method is used to measure a cutterhead, a front shield, drive electric motors, a main beam and gripper shoes of tunnel boring machine; a monitored component requires that a measurement point reflects a motion state and is relatively safe; and a specific layout is as follows:
cutterhead sensor nodes are arranged in two manholes and two water pipe passages of the cutterhead; only vibration sensors are arranged in the manholes, and a vibration and a strain sensor are arranged in the water pipe passages;
vibration sensor nodes are arranged on the top and the inner surface of the front shield;
a vibration sensor node is arranged on the side surface of a motor box of the drive electric motor;
a vibration sensor node is arranged on the upper surface of the front end of the main beam;
a vibration sensor node is arranged on the inner side surface of the gripper shoe;
step 2, local strengthening protection and connection
metal protection covers are added for sensor nodes and industrial batteries to provide impact resistance and water and moisture resistance; all the metal protection covers are fixed by welding; the sensor nodes and the metal protection covers are connected through a powerful magnetic connector, and a groove corresponding to the magnetic connector is formed in the bottom of the metal protection cover; wireless signal transmitting and receiving antennas are provided; and the strain sensor for collecting strain information is connected and fixed with the detected positions through threads;
step 3, power supply
the sensors in the cutterhead are powered by industrial batteries; and the sensors in other monitoring positions are powered directly by a power line;
step 4, signal transmission and monitoring
a wireless gateway is arranged in an operator's console of the TBM, and accepts vibration and strain signals of the cutterhead and vibration signals of the front shield, the main beam, the drive electric motor and the gripper shoe; the wireless gateway gives an early warning for detected strain and vibration signals which are higher than normal values, and displays the detected strain and vibration signals on a computer of the operator's console to generate a work log of the tunnel boring machine;
establishment of an equivalent mapping measuring model:
an evaluated value of an equivalent mapping to-be-measured point S0 is as follows:

in the formula: ?0 is the strain of a to-be-measured point S0;
?i is the strain of measurement points S1, S2, S3 and S4;
?i is a position parameter of each measurement point; ?1=1˜10; the shorter the distance from each measurement point to the point S0, the larger the corresponding ?1 is;
P is a local structural parameter of a measured position formed by the measurement points S1, S2, S3 and S4; if no reinforcing rib is arranged, P=1; and if reinforcing ribs are arranged, P=1?10; the more the reinforcing ribs are, the larger the P is;
? is a sudden change coefficient; when reinforcing ribs are arranged at the to-be-measured point S0, ?=0.3˜0.7; when sudden change of the strain occurs at the to-be-measured point S0, ?=1.1˜1.6; and when no special structure is arranged at the to-be-measured point S0, ?=1.

US Pat. No. 10,711,608

FORMATION PRESSURE TESTING

SCHLUMBERGER TECHNOLOGY C...

17. An apparatus comprising:a pressure testing module comprising:
a first chamber with a first piston assembly slidably disposed within the first chamber dividing the first chamber into a first chamber portion and a second chamber portion; and
a second chamber with a second piston assembly slidably disposed within the second chamber dividing the second chamber into a third chamber portion and a fourth chamber portion; and
a tool base configured to be coupled along a downhole tool string to be conveyed within a wellbore extending into a subterranean formation, wherein:
the pressure testing module is separable from and coupled to the tool base; and
the tool base comprises:
a probe assembly operable to engage a sidewall of the wellbore and receive formation fluid from the subterranean formation; and
a hydraulic pump operable to pump hydraulic fluid; and
wherein the pressure testing module and the tool base are operable to selectively convey the hydraulic fluid pumped by the hydraulic pump (i) into the first chamber portion to move the first piston assembly to draw the formation fluid into the second chamber portion and (ii) into the third chamber portion to move the first piston assembly to draw the formation fluid into the fourth chamber portion.

US Pat. No. 10,711,607

FORMATION TESTING

SCHLUMBERGER TECHNOLOGY C...

1. A method, comprising:(a) collecting data pertaining to at least one of a subterranean formation penetrated by a wellbore and a fluid in the subterranean formation;
(b) determining initial threshold values of test operating parameters for a test to be performed utilizing a testing tool positioned in the wellbore proximate the subterranean formation, wherein determining the initial threshold values is based on the collected data and a testing tool configuration to be utilized to perform the test;
(c) predicting wellbore fluid pressures along an open hole portion of the wellbore by performing a thermo-hydraulic simulation of the test utilizing the determined initial threshold values and the testing tool configuration;
(d) analyzing the predicted wellbore fluid pressures and, based thereon, determining that the predicted wellbore fluid pressures along the open hole portion of the wellbore are indicative of a well integrity problem, and then updating the test by adjusting at least one of:
a value of at least one of the test operating parameters; and
the testing tool configuration;
(e) iteratively repeating (c) and (d) until analysis of the predicted wellbore fluid pressures along the open hole portion of the wellbore is not indicative of a well integrity problem; and then
(f) performing the updated test via operation of the testing tool in the wellbore.

US Pat. No. 10,711,606

REAL-TIME ONSITE MECHANICAL CHARACTERIZATION OF WELLBORE CUTTINGS

Saudi Arabian Oil Company...

1. A method comprising:receiving, at a surface of a wellbore being drilled at a wellbore drilling site, a plurality of cuttings in a raw unprocessed state that result from drilling the wellbore;
performing, at the wellbore drilling site, nano-indentation tests on each cutting of the plurality of cuttings in the raw unprocessed state; and
determining, at the wellbore drilling site, mechanical properties of the plurality of cuttings in the raw unprocessed state based on results of the nano-indentation tests.

US Pat. No. 10,711,605

ISOTOPIC ANALYSIS FROM A CONTROLLED EXTRACTOR IN COMMUNICATION TO A FLUID SYSTEM ON A DRILLING RIG

Halliburton Energy Servic...

1. A method for downhole formation evaluation, comprising:extracting a fluid sample from a drilling fluid using a degasser, wherein the drilling fluid passes through a separator, a sensor, and a temperature change unit prior to entering the degasser, wherein the separator is configured to remove solids from the drilling fluid, wherein the separator is fluidly coupled to the sensor, wherein the sensor is fluidly coupled to the temperature change unit, wherein the temperature change unit is fluidly coupled to the degasser;
performing a second separation on the fluid sample from the drilling fluid after extracting the fluid sample within the degasser, wherein the second separation is performed by a vortex cooler, a condensate separator, and a condensate pump, wherein the second separation further removes or reduces undesirable chemical species;
extracting a plurality of individual chemical species from the fluid sample, wherein the individual chemical species include methane, ethane, propane, and CO2;
identifying one or more concentrations of one or more isotopes in each of the individual chemical species using a gas chromatography-mass spectrometer-infrared device relative to a concentration of at least one of the one or more isotopes in a standard, including identifying concentrations of a carbon isotope in each of the individual chemical species; and
outputting the one or more concentrations in each of the individual chemical species for a first time period.

US Pat. No. 10,711,604

HYDRAULIC FRACTURING

SHEAR FRAC GROUP, LLC, S...

1. A method of hydraulic fracturing a geological formation in Earth crust, comprising:injecting fracing fluid through a wellbore into the geological formation;
measuring pressure associated with the hydraulic fracturing;
determining net stress of the geological formation associated with the hydraulic fracturing;
determining presence of complex shear fracturing correlative with the net stress; and
adjusting an operating parameter of the hydraulic fracturing to increase complex shear fracturing.

US Pat. No. 10,711,603

FORMATION EVALUATION WHILE DRILLING

SCHLUMBERGER TECHNOLOGY C...

5. A method, comprising:operating a retainer to detachably couple a sample container within a cavity in an outer surface of a drill string, wherein the drill string comprises a passage with at least one lobe to enable the passage of drilling mud through the drill string and past the sample container, wherein the sample container comprises a hydraulic stabber and the retainer is configured to isolate the hydraulic stabber from lateral loading of the sample container, and wherein the retainer is configured to be disposed within the cavity of the outer surface of the drill string;
positioning the drill string in a wellbore penetrating a subterranean formation;
extending a fluid communication device from the drill string, thereby establishing fluid communication with the formation;
withdrawing fluid from the formation via the fluid communication device; and passing the withdrawn formation fluid into the detachable sample container.

US Pat. No. 10,711,602

ELECTROMAGNETIC MONITORING WITH FORMATION-MATCHED RESONANT INDUCTION SENSORS

Halliburton Energy Servic...

1. An electromagnetic monitoring system that comprises:a cable disposed along a borehole through a subsurface formation having multiple regions of differing resistivities;
an array of resonant induction sensors spaced along the cable; and
an interface unit that collects electromagnetic field measurements from the resonant induction sensors in the array,
wherein each of the multiple regions is associated with one or more of the resonant induction sensors in the array, and
wherein each resonant induction sensor of the array of resonant induction sensors has a resonance frequency that is tuned to an optimum resonance frequency for that sensor's position based at least in part on the associated region's differing resistivity for the respective region of the multiple regions.

US Pat. No. 10,711,600

METHODS OF NETWORK PEER IDENTIFICATION AND SELF-ORGANIZATION USING UNIQUE TONAL SIGNATURES AND WELLS THAT USE THE METHODS

ExxonMobil Upstream Resea...

1. A method of communication using a wireless network, comprising: precedingat a first node, receiving a wireless transmission of a signal, the received signal having a frequency signature and/or an amplitude signature;
comparing the frequency signature and/or the amplitude signature of the received signal with a frequency signature and/or an amplitude signature of a previously received signal from a second node; and
if the frequency signature and/or the amplitude signature of the received signal and the frequency signature and/or the amplitude signature of the previously received signal are within a predetermined range of similarity, accepting the received signal and the previously received signal as having been transmitted by the second node and defining the received signal and the previously received signal as a unique signal identifying a communication link between the first node and the second node;
wherein the receiving step comprises receiving, with a decoding node of an acoustic wireless network and from the tone transmission medium, a received acoustic tone for a tone receipt time, and wherein the comparing step comprises:
estimating a frequency of the received acoustic tone, as a function of time, during the tone receipt time, wherein the estimating includes estimating a plurality of discrete frequency values received at a corresponding plurality of discrete times within the tone receipt time;
separating the tone receipt time into a plurality of time intervals, wherein each time interval in the plurality of time intervals includes a subset of the plurality of discrete frequency values received during the time interval;
calculating a frequency variation within each subset of the plurality of discrete frequency values;
selecting a subset of the plurality of time intervals within which the frequency variation is less than a threshold frequency variation; and
averaging the plurality of discrete frequency values within the subset of the plurality of time intervals to determine major frequency of the received acoustic tone.

US Pat. No. 10,711,598

METHODS TO SYNCHRONIZE SIGNALS AMONG ANTENNAS WITH DIFFERENT CLOCK SYSTEMS

Halliburton Energy Servic...

1. A method for synchronizing signals among transmitters and receivers of a logging tool positioned in a borehole, the method comprising:acquiring, by a plurality of receivers, measurement signals generated from operating a transmitter at an input frequency in the borehole;
determining, by a processing unit, an operating frequency drift of each of the plurality of receivers, and a resulting operating frequency of each receiver, the resulting operating frequency being different from an operating frequency of the transmitter;
determining, by the processing unit, a sampling frequency of each of the plurality of receivers based on the resulting operating frequency of each of the plurality of receivers;
determining, by the processing unit, a phase delay of each of the plurality of receivers; and
adjusting, by the processing unit, the acquired measurement signals relative to each other based on the determined sampling frequency and the phase delay of each of the plurality of receivers.

US Pat. No. 10,711,597

POWER TRANSMISSION AND COMMUNICATION BETWEEN PROCESSORS AND ENERGY INDUSTRY DEVICES

BAKER HUGHES, A GE COMPAN...

1. A method of communicating between a surface processing unit and an energy industry tool, comprising:receiving a power signal from a power source at an integrated interface device of a communication and processing system, the communication and processing system located between the surface processing unit and the energy industry tool, the interface device including a processor and a variable output power supply;
receiving a surface communication at the processor from the surface processing unit;
transmitting a control signal from the processor to the variable output power supply, the control signal including a series of pulses having a duty cycle that is varied to cause the variable output power supply to generate a modulated direct current (DC) output signal having at least one of a frequency and an amplitude that is modulated according to a communication protocol to represent the surface communication; and
transmitting the modulated DC output signal from the interface device that includes the variable output power supply directly to the energy industry tool.

US Pat. No. 10,711,596

DOWNHOLE INSTRUMENT FOR DEEP FORMATION IMAGING DEPLOYED WITHIN A DRILL STRING

Schlumberger Technology C...

1. A method for acquiring data in a wellbore, comprising:deploying an instrument connected to an instrument line into a drill string, through a sealed entry port formed in a drilling device coupled to the drill string, the drill string being at least partially within the wellbore, the wellbore penetrating a subterranean formation;
transmitting a signal from a source and through the formation,
wherein the source is coupled to the drill string and the source comprises an electrode comprising a dipole,
wherein the signal is sensed by the instrument in the drill string and
wherein transmitting the signal comprises injecting a current into the formation from the source, at least a portion of the current being measured by the instrument in the drill string;
determining one or more formation characteristics based on the signal sensed by the instrument; and
performing one or more drilling processes using the drill string, wherein the one or more drilling processes is performed while transmitting the signal, or determining the one or more formation characteristics, or both,
wherein determining the one or more formation characteristics comprises:
measuring a measured current density in the drill string, using the instrument in the drill string;
predicting current propagation in the drill string based on a plurality of interface locations and a plurality of resistivities of layers in the formation, to determine a modeled current density at the plurality of positions along the drill string;
determining a match between the modeled current density and measured current density;
selecting one or more formation interface locations form the plurality of interface locations, and one or more resistivities form the plurality of resistivities, based on the determined match.

US Pat. No. 10,711,595

HYDROCARBON WELLS AND METHODS FOR IDENTIFYING PRODUCTION FROM A REGION OF A SUBTERRANEAN FORMATION

ExxonMobil Upstream Resea...

1. A method of monitoring production of fluids from a subterranean formation, the method comprising:producing a produced stream via a hydrocarbon well that extends within a region of the subterranean formation, wherein the region of the subterranean formation includes formation fluid and an added tracer material, wherein the produced stream includes a produced fluid and a produced tracer material, wherein the produced fluid includes a fraction of the formation fluid, wherein the produced tracer material includes a fraction of the added tracer material, and further wherein the produced tracer material includes a particulate tracer that defines a tracer electrical capacitance that differs from a fluid electrical capacitance of the produced fluid;
electromagnetically exciting the produced tracer material with an input electromagnetic signal that varies through an input frequency range;
responsive to the electromagnetically exciting, generating an output electromagnetic signal, with the produced tracer material, that varies through an output frequency range;
receiving the output electromagnetic signal from the produced tracer material; and
calculating a phase shift as a function of frequency between the input electromagnetic signal and the output electromagnetic signal, and further wherein the identifying includes identifying based, at least in part, on a critical frequency of the phase shift as a function of frequency;
identifying the region of the subterranean formation based, at least in part, on the output electromagnetic signal.

US Pat. No. 10,711,594

METHOD AND SYSTEM FOR DETERMINING FLOW RATE OF WATER IN A GAS PRODUCTION SYSTEM BY INCORPORATING CHARACTERISTICS OF WATER

ONESUBSEA IP UK LIMITED, ...

14. A system configured to determine water flow rates in a gas production system from a gas well penetrating a subterranean formation comprising:a flow meter positioned at a measurement location within the gas production system, the flow meter configured to measure a flow rate of gas;
a processing system configured to calculate a flow rate of condensed liquid water that has condensed from vapor originating from the subterranean formation; and
a sensor configured to measure electromagnetic properties of the produced fluid from which salinity of total liquid water flowing past the device can be determined, the processing system further configured to combine the determined salinity of the total liquid water and knowledge about the salinity of water residing in the formation with the calculated flow rate of condensed liquid water to derive a flow rate of water produced as a liquid by the formation.

US Pat. No. 10,711,593

LOCATING A DOWNHOLE TOOL IN A WELLBORE

Halliburton Energy Servic...

1. A downhole cement plug, comprising:a casing collar locator (CCL) operable to generate signals indicative of casing collars on a downhole casing string of a wellbore system;
a controller communicably coupled to the CCL and operable to continuously output a plurality of distinct frequency signals that alternate between a first frequency and a second frequency based on presences of the casing collars using the signals from the casing collar locator, wherein the plurality of distinct frequency signals alternate between the first frequency and the second frequency at a first preset interval when a casing collar is not detected and alternate between the first frequency and the second frequency at a second interval when at least one of the casing collars is detected, the first preset interval being different from the second interval; and
a signal generator communicably coupled to the controller and operable to receive the plurality of distinct frequency signals from the controller and continuously transmit the plurality of distinct frequency signals to a terranean surface through a portion of the wellbore system.

US Pat. No. 10,711,592

DOWNHOLE TOOL FOR MEASURING ANGULAR POSITION

SCHLUMBERGER TECHNOLOGY C...

1. A downhole tool for measuring angular positions at a location within a subterranean borehole, the downhole tool being configured to be rotatable around a longitudinal direction of the borehole, the downhole tool comprising:two or more magnetometers configured to obtain measurements of the Earth's magnetic field along respective magnetometer axes, wherein each magnetometer is arranged such that the measurements of the Earth's magnetic field include a component of the Earth's magnetic field normal to the longitudinal direction of the borehole, and wherein the magnetometers are arranged such that the normal components are at an angle to each other around the longitudinal direction;
a device configured to measure a rotational speed of the tool or a time derivative thereof; and
a processor unit configured to combine the measurements of the Earth's magnetic field and the tool rotational speed or time derivative thereof to calculate angular positions of the downhole tool around the longitudinal direction relative to the direction of the Earth's magnetic field by finding the angular positions that minimize weighted errors of the measurements of the Earth's magnetic field and the rotational speed of the tool or the time derivative thereof.

US Pat. No. 10,711,591

SENSING UMBILICAL

1. A sensing umbilical for use in a borehole, the umbilical comprising:a single-piece core having at least one sensor disposed in a space within the single-piece core, at least part of the single-piece core being continuous despite the space containing the sensor;
at least one supporting connection for the at least one sensor; and
an encapsulant external to the core.

US Pat. No. 10,711,590

VISUALIZATION OF LOOK-AHEAD SENSOR DATA FOR WELLBORE DRILLING TOOLS

Halliburton Energy Servic...

1. A system for visualizing data from look-ahead sensors, comprising:a processor;
a memory; and
one or more instructions stored in the memory, wherein the one or more instructions that, when executed by the processor, cause the processor to:
receive formation information from each of a plurality of formation sensors coupled to a drill bit of a downhole drilling system, the formation information being associated with a variance of one or more measured properties of a formation azimuthally relative to a face of the drill bit at a depth ahead of the drill bit;
receive angular information from one or more orientation sensors coupled to the downhole drilling system, the angular information being associated with the formation information, wherein the angular information tracks an angular position of each of the plurality of formation sensors while the drill bit rotates;
compile sensor data based on the formation information and the angular information; and
generate a visualization based on the sensor data that comprises azimuth information, wherein the visualization includes an indication of at least one of actual formation dip angle, apparent formation dip angle and dip direction.

US Pat. No. 10,711,589

SAND SEPARATOR

A.S.A.P. Industries Manuf...

1. An apparatus for separating particulate matter from a hydrocarbon production stream, said apparatus comprising:an upper cylindrical body having an upper end and a first wall, a lower cylindrical body having a lower end and a second wall, a hydrocarbon inlet pipe extending through said first wall, a hydrocarbon outlet port on said upper end, a collection port on said lower end, and a separator plate,
wherein a bottom of said upper cylindrical body is connected to said separator plate forming an upper cavity inside said upper cylindrical body, and a top of said lower cylindrical body is connected to said separator plate forming a lower cavity inside said lower cylindrical body,
wherein said separator plate has a plurality of collection channels providing a fluid connection between said upper cavity and said lower cavity and an outlet channel providing a fluid connection between said upper cavity and said lower cavity,
wherein said outlet channel is located at a center of said separator plate,
wherein each of said plurality of collection channels comprises an upper opening located immediately adjacent to said first wall of said upper cylindrical body; and
wherein each of said plurality of collection channels further comprises an upper passage, a corner, a lower passage, and a lower opening;
said upper opening is fluidly connected to said upper passage, said upper passage is fluidly connected to said corner, said corner is fluidly connected to said lower passage, and said lower passage is fluidly connected to said lower opening; and
said first wall of said upper cylindrical body has an inner diameter, and said upper passage extends from said upper opening outwardly beyond said inner diameter of said first wall to said corner.

US Pat. No. 10,711,587

OXIDIZING AGENT INJECTION EQUIPMENT FOR UNDERGROUND COAL GASIFICATION PROCESS AND APPLICATION THEREOF

ZHONGWEI (SHANGHAI) ENERG...

1. An oxidant injection device used in an underground coal gasification process comprising an oxidant flow path, and gas tight connected components of the oxidant flow path in connection order: a swivel joint, a coiled tubing, a mechanical shear off device, and an oxidant nozzle, wherein the mechanical shear off device provides the capability to shear off the oxidant nozzle in the event of the oxidant nozzle becoming stuck in a subsurface well, which allows the coiled tubing to be pulled back to surface, during which the swivel joint connects a coiled tubing reel central shaft with a gas tight seal to a surface oxidant source, therefore allowing continuous oxidant injection during oxidant nozzle retraction by rotating a coiled tubing reel to enable movement of the coiled tubing.

US Pat. No. 10,711,586

MULTI-INLET FRACK HEAD SYSTEM

1. A multi-inlet fracturing head (MIFH) for directing a high pressure fracturing fluid into a wellbore, the MIFH comprising:a first inlet channel extending through a body of the MIFH for directing fluid into a first flow passage;
a second inlet channel extending through the body of the MIFH for directing fluid into the first flow passage;
a second flow passage downstream of the first flow passage when the high pressure fluid is directed from the first flow passage into the wellbore; and
a transition between the first flow passage and the second flow passage, the transition gradually reducing a difference in diameter between the first flow passage and the second flow passage;
wherein the first and second inlet channels intersect a longitudinal axis of the MIFH at different vertical heights, and are arranged at different angles with respect to the longitudinal axis of the MIFH.

US Pat. No. 10,711,585

COMPLETIONS FOR TRIGGERING FRACTURE NETWORKS IN SHALE WELLS

UTI Limited Partnership, ...

1. A method of inducing a complex fracture network within a zone of a shale hydrocarbon reservoir, wherein the zone comprises a wellbore servicing a plurality of spaced apart fracturing intervals, wherein the reservoir rock has a permeability of from 10-100 nD, the method comprising:introducing in a fracturing stage contemporaneous fractures into a first fracturing interval and a third fracturing interval, and subsequently introducing during the fracturing stage a fracture into a second fracturing interval, wherein the second fracturing interval is between the first fracturing interval and the third fracturing interval;
wherein fracturing at the first, second and third fracturing intervals is initiated and extended by injection of a fracturing fluid into the intervals through the respective first, second and third perforation clusters in fluid communication through the wellbore and spaced apart along a wellbore casing;
controlling a fracture initiation stage and a hydraulic fracture propagation stage for each of the first, second and third perforation clusters by adjusting an injection rate of the fracturing fluid so as to modulate wellbore bottom pressure;
wherein during the fracture initiation stage:
pb?pfr
where pb is the bottom hole treating pressure, and pfr is the perforation cluster initiation pressure; and wherein during
the hydraulic fracture propagation stage pb is adjusted so as to cross, open and shear natural fractures, with:

where ?h is the horizontal minimum principal stress, MPa; pnet is the HF net pressure, MPa; pfef is a pressure drop across perforations, MPa; E is Young's modulus of reservoir rock, MPa; ?r is the injection fluid viscosity, mPa·s; q is the injection rate, m3/min; Lf is the fracture half-length, m; ? is the rock Poison's ratio, dimensionless; ?f is the injection fluid viscosity, mPa·s; HHF is the hydraulic fracture height, m; t is the injection time, s; ? is the fracturing fluid density, 10?3 kg/m3; Np is the perforation number; d is the perforation diameter, 10?2 m; Cd is a flow rate coefficient, dimensionless;
 wherein, for fracture initiation at perforation clusters 1 and 3, the bottom hole treating pressure is controlled by modulating the injection rate of the fracturing fluid so that:
pfr2>pb>pfr1=pfr3
pb=pb1=pb2=pb3
 wherein subscript 1, 2, 3 represent parameters respectively for perforation clusters 1, 2 and 3;
 wherein following the hydraulic fracture propagation stage at perforation clusters 1 and 3, the bottom hole treating pressure is increased to initiate the fracture initiation stage at perforation cluster 2, with the fracture initiation pressure for perforation cluster 2, Pfr2, being adjusted to account for the induced stress from hydraulic fracture propagation in the first and third fracturing intervals, so that:
pfr2?pb
pb=pb1=pb2=pb3
 and wherein perforations in the perforation clusters are arranged and configured so that:
pfr2>pfr1=pfr3.

US Pat. No. 10,711,584

AUTOMATED SYSTEM FOR MONITORING AND CONTROLLING WATER TRANSFER DURING HYDRAULIC FRACTURING

SELECT ENERGY SERVICES, L...

18. A method of operating an automated system for monitoring and controlling the transfer of water from a first water source to a plurality of frac water storage containers during a hydraulic fracturing process, wherein the automated system for monitoring and controlling the transfer of water during a hydraulic fracturing process includes:a first manifold operable to receive water from the first water source through at least one input, and to supply water to a plurality of output openings for use in the hydraulic fracturing process;
a plurality of controllable valves, wherein one or more of the plurality of controllable valves is configured to be in fluid communication between an input to one of the plurality of frac water storage containers and with one of the plurality of output openings of the first manifold;
a plurality of level indicators, wherein one or more of the plurality of level indicators are configured to one of the plurality of frac water storage containers to determine a water level at each such one of the plurality of frac water storage containers;
a first flow meter configured to measure a flow of water into the first manifold;
a first pump configured to receive water from the first water source and to pump water through a discharge to the at least one input of the first manifold with the plurality of output openings;
one or more controllers in communication with the plurality of controllable valves and configured to control the opening and closing of one or more of the plurality of controllable valves to a desired opening position so that water from the first water source in the first manifold may be provided to one or more of the plurality of frac water storage containers through the plurality of output openings of the first manifold based at least partially on the water level of the plurality of frac water storage containers determined by the associated plurality of level indicators;
one or more displays operable to receive and display information that includes the water level of one or more of the plurality of frac water storage containers as determined at least partially by one or more selected from the group consisting of the plurality of level indicators, the valve opening positions of one or more of the plurality of controllable valves, and the flow of water into the first manifold; and
a storage device configured to receive and store information that includes one or more selected from the group consisting of the water level of one or more of the plurality of frac water storage containers as determined at least partially by one or more of the plurality of level indicators, a water volume level of one or more of the plurality of frac water storage containers as determined at least partially by one or more of the plurality of level indicators, the valve opening positions of one or more of the plurality of controllable valves, and the flow of water into the manifold from the first flow meter;
wherein the method of operating the automated system comprises:
placing one or more of the plurality of controllable valves into a control mode to control the openings of such controllable valves based at least partially on the water level of the plurality of frac water storage containers, and the control mode includes a control mode selected from one of the group consisting of an automatic mode, a manual mode, a gang control mode, an individual control mode, and a remote manual control mode.

US Pat. No. 10,711,583

GREEN BOILER—CLOSED LOOP ENERGY AND POWER SYSTEM TO SUPPORT ENHANCED OIL RECOVERY THAT IS ENVIRONMENTALLY FRIENDLY

GTHERM ENERGY, INC., Hou...

1. A method comprising:extracting crude oil, natural gas, or crude oil and natural gas from an underground reservoir through a production well,
burning crude oil or natural gas extracted from an underground reservoir, or burning both crude oil and natural gas extracted from an underground reservoir, for providing thermal energy,
transferring the thermal energy to brine separated from the extracted oil, gas, or both, for providing heated brine, or converting the thermal energy to mechanical work, or both transferring the thermal energy to the separated brine and converting the thermal energy to mechanical work, and
injecting the heated brine into the underground reservoir through an injection well separate from the production well;
wherein the method further comprises:
stimulating the underground reservoir with pressure waves propagated into the underground reservoir by stimulating the heated brine during injection while in the injection well; and
stimulating the underground reservoir with additional pressure waves propagated into the underground reservoir by stimulating the oil, gas, and brine while in the production well during extraction from underground, wherein the additional pressure waves are controlled such that the additional pressure waves propagate in phase with the pressure waves propagated into the underground reservoir by stimulating the heated brine during injection.

US Pat. No. 10,711,582

SALINATED WASTEWATER FOR ENHANCING HYDROCARBON RECOVERY

Saudi Arabian Oil Company...

1. A method of preparing an injection fluid for enhancing hydrocarbon recovery from a formation, the method comprising:adding a divalent salt to a treated wastewater to form salinated treated wastewater, wherein the treated wastewater comprises a total dissolved solids (TDS) level that is less than 15,000 parts per million (ppm), wherein the divalent salt comprises a magnesium salt, a calcium salt, a sulfate, or a combination thereof, and wherein the salinated treated wastewater has a magnesium salt concentration within a range of 5,000 ppm to 25,000 ppm;
testing the salinated treated wastewater for a shift in wettability;
testing the salinated treated wastewater for a change in oil recovery; and
applying the salinated treated wastewater as an injection fluid, wherein the shift in wettability is equal to or greater than a predetermined wettability differential value, and the change in oil recovery of the salinated treated wastewater is equal to or greater than a predetermined oil recovery differential value.

US Pat. No. 10,711,581

INJECTION FLOW CONTROL DEVICE AND METHOD

ExxonMobil Upstream Resea...

23. A method of stimulating a well bore comprising:discharging a fluid from an in-flow control device through a screen while interposing a check valve assembly between the in-flow control device and the screen; and
operating the check valve assembly disposed at an intermediate location along a housing channel distinct from a disposition of a flow restriction device and the check valve assembly disposed by a concentric support positioned within the housing channel and the check valve assembly adapted to control a direction of flow along the housing channel, to allow the fluid to flow in a first axial direction to the screen through the in-flow control device and to close fluid flow responsive to differential pressure across the valve assembly created by perturbations in fluid flow tending to redirect fluid flow through the check valve assembly in a direction opposite of the first axial direction.

US Pat. No. 10,711,580

HIGH POWER LASER DECOMMISSIONING OF MULTISTRING AND DAMAGED WELLS

Foro Energy, Inc., Houst...

1. A method of servicing a damaged well, the method comprising:a. advancing a high power laser delivery tool to a damaged section of the well, the damaged section of the well comprising a pinched casing and inner tubular; and,
b. directing a high power laser beam from the high power laser delivery tool toward the damaged section of the well in a predetermined laser delivery pattern, the predetermined laser delivery pattern intersecting the pinched casing;
c. whereby the laser beam removes the pinched casing.

US Pat. No. 10,711,579

EROSION RESISTANT SHUNT TUBE ASSEMBLY FOR WELLSCREEN

Weatherford Technology Ho...

1. A gravel pack assembly for delivering slurry along tubing of a wellscreen, the assembly comprising:a ring disposed on the tubing of the wellscreen and having first and second ring sections, the first ring section disposed at least partially on the second ring section, the first and second ring sections disposed together defining a chamber therein, a portion of the second ring section defining a channel for the chamber, the first ring section comprising a sleeve positioning over the portion of the second ring section and enclosing the channel to form the chamber, the chamber having first tube openings on a first side of the first ring section, the chamber having second tube openings on a second side of the second ring section;
first tubes for conveying the slurry, each of the first tubes having a first end positioning in fluid communication with one of the first tube openings on the first side of the first ring section and positioning along the tubing of the wellscreen; and
second tubes for conveying the slurry, each of the second tubes having a second end positioning in fluid communication with one of the second tube openings on the second side of the second ring section and positioning along the tubing of the wellscreen.

US Pat. No. 10,711,577

MULTI-ORIENTED HYDRAULIC FRACTURING MODELS AND METHODS

Halliburton Energy Servic...

1. A method comprising:modeling a simulated wellbore penetrating a simulated subterranean formation with a multi-oriented hydraulic fracturing (MOHF) model having (1) static inputs that comprise wellbore properties and subterranean formation properties and (2) dynamic inputs that comprise pseudo-plastic properties of one or more rocks that comprise the subterranean formation;
simulating the creation of a first fracture in the simulated subterranean formation with the MOHF model;
calculating formation stresses with the MOHF model after the first fracture;
simulating the creation of a second fracture in the simulated subterranean formation with a plurality of operational parameters with the MOHF model;
calculating a simulated fracture network characteristic for each of the plurality of operational parameters with the MOHF model, thereby producing a plurality of simulated fracture network characteristics; and
performing a MOHF operation in a wellbore penetrating a subterranean formation with preferred operational parameters having the simulated fracture network characteristic as calculated with the MOHF model within a top 20% of the plurality of simulated fracture network characteristic.

US Pat. No. 10,711,576

POWER SYSTEM AND METHOD

MGB OILFIELD SOLUTIONS, L...

1. A power system including:a platform supporting a primary power source, a hydraulic power supply system, an electric power supply system and a pneumatic power supply system thereon, wherein the primary power source is an exclusive source of power for the hydraulic power supply system, the electric power supply system and the pneumatic power supply system and wherein the power system includes one or more hydraulic fluid outlets for the transmission of pressurized hydraulic fluid out from the power system and one or more hydraulic fluid inlets for re-entry of the pressurized hydraulic fluid back into the power system.

US Pat. No. 10,711,575

WELL DEBRIS HANDLING SYSTEM

Saudi Arabian Oil Company...

1. A wellbore production system comprising:an electric submersible pump (ESP) configured to be positioned within a wellbore, the ESP configured to rotate to pump well fluid in an uphole direction;
a motor configured to be positioned within the wellbore downhole relative to the ESP, the motor coupled to the ESP and configured to provide power to rotate the ESP; and
a well debris cutting tool configured to be positioned within the wellbore downhole relative to the motor, the well debris cutting tool configured to counter-rotate relative to the ESP, the well debris cutting tool configured to grind debris carried by the well fluid in the uphole direction.

US Pat. No. 10,711,574

INTERCHANGEABLE SWIVEL COMBINED MULTICOUPLER

WEATHERFORD TECHNOLOGY HO...

1. A coupler for a top drive, comprising:a tool dock comprising:
a housing having an outer shoulder; and
a drive sleeve rotatably disposed in the housing;
a load frame comprising:
a frame body having a load shoulder engageable with the outer shoulder; and
a side door coupled to the frame body, wherein the side door opens from the frame body to allow the tool dock to move horizontally into the frame body, and the side door closes to lock the tool dock in the load frame; and
a drive stem coupled to the load frame, wherein the drive stem moves vertically to connect and disconnect with the tool dock in the load frame, wherein the drive stem is configured to rotate the drive sleeve.

US Pat. No. 10,711,573

PRESSURE OPERATED APPARATUS AND METHOD

Weatherford U.K. Limited,...

1. A downhole pressure operated apparatus, comprising:a piston member mounted within a piston bore and being reconfigurable from a lock configuration to an unlock configuration in response to a pressure sequence applied within the piston bore, wherein the piston member comprises a lock profile; and
a lock member arranged in a cavity which opens into the piston bore, wherein when the piston member is in the lock configuration the lock member is supported by the piston member such that the lock member partially extends into the piston bore and engages the lock profile of the piston member to restrict movement of the piston member in a first direction towards the unlock configuration,
wherein in response to a first pressure event of the pressure sequence the piston member is moveable in a second direction to desupport the lock member and permit said lock member to be wholly received into the piston bore and allow the piston member to move in the first direction towards the unlock configuration in response to a subsequent second pressure event of the pressure sequence.