US Pat. No. 10,767,630

SYSTEM AND METHOD FOR OPERATING A WIND FARM DURING LOW WIND SPEEDS

General Electric Company,...

1. A method for operating a wind farm connected to a power grid that demands a reactive power requirement that varies with active power, the wind farm having a plurality of wind turbines each including a generator coupled to a power converter, the method comprising:monitoring a wind speed at each of the plurality of wind turbines in the wind farm;
when the wind speed is within a cut-in wind speed range,
determining, via a controller of the wind farm, a reactive power margin of the wind farm based on the reactive power requirement at an active power output corresponding to the wind speed and a reactive power availability of each of the plurality of wind turbines at the wind speed;
determining, via the controller, a lowest possible cut-in rotor speed for each of the plurality of wind turbines that satisfies the reactive power margin; and,
commanding, via the controller, each of the plurality of wind turbines to cut-in and begin to produce power at the lowest possible cut-in rotor speed that satisfies the reactive power margin.

US Pat. No. 10,767,629

WIND TURBINE POWER GENERATION FACILITY AND METHOD OF OPERATING THE SAME

1. A wind turbine power generation facility, comprising:at least one wind turbine power generating apparatus including a blade;
a lightning sensor for detecting or predicting occurrence of lightning in an installation area of the at least one wind turbine power generating apparatus, prior to lightning strike to the blade; and
a controller for switching an operation mode of the at least one wind turbine power generating apparatus to a lightning-protection mode in which a rotor rotation speed is lower than a rated rotation speed so as to prevent the lightning strike on an unexpected portion on the blade of the at least one wind turbine power generating apparatus, on a basis of an output signal of the lightning sensor,
wherein the controller is configured to shift a state of the at least one wind turbine power generating apparatus to a standby state as the lightning-protection mode in which power generation is stopped without fixing a rotor, upon switching to the lightning-protection mode, and
wherein the lightning-protection mode satisfies at least one of a first condition that the rotor rotation speed of the at least one wind turbine power generating apparatus is 2 rpm or less, or a second condition that a blade tip speed of the at least one wind turbine power generating apparatus is 15 m/s or less.

US Pat. No. 10,767,628

CONTROL OF A WIND TURBINE COMPRISING MULTI-AXIAL ACCELEROMETERS

1. A method of controlling a wind turbine, the wind turbine comprising a tower supporting a nacelle and a rotor with a number of pitch-adjustable rotor blades, the wind turbine further comprising a control system for changing the pitch of the rotor blades and/or the generator torque, and a plurality of multi-axial accelerometers mounted at different positions in the nacelle and/or in a top portion of the tower, each accelerometer being mounted in a defined orientation, the method comprising:obtaining the position and orientation of each accelerometer as mounted;
measuring accelerations in at least two different directions by each accelerometer during operation of the wind turbine;
obtaining a number of pre-determined mode shapes for the movement of the wind turbine based at least on dimensions of the tower and a weight of the nacelle and the rotor as supported by the tower, the number of pre-determined mode shapes including at least one natural mode shape in a plane corresponding to fore-aft movements and at least one natural mode shape in a plane corresponding to side-side movements;
determining an absolute position of at least one of the accelerometers during operation of the wind turbine based on the measured accelerations, the mount position and orientation of each accelerometer and the pre-determined mode shapes;
determining a control parameter of the wind turbine as a function of the determined absolute position; and
controlling the wind turbine according to the control parameter.

US Pat. No. 10,767,627

METHOD FOR CONTROLLING A TORQUE PERFORMANCE OF AN ELECTRICAL PITCH MOTOR, AN ELECTRICAL PITCH-CONTROL SYSTEM AND USE THEREOF

1. A method for controlling a torque performance of an electrical pitch motor in a system comprising an electrical pitch-control system, said pitch motor controls a turbine blade, said pitch-control system comprises:a first unit comparing a received reference pitch-angle Pr with an actual pitch-angle Pa of the turbine blade, said Pa-value is registered by and received from a resolver, and the first unit further regulates the pitch-angle of the turbine blade according to the received pitch-angle values;
an electrically connected second unit comparing a reference-speed Sr received from the first unit with an actual speed Sa of the rotational speed of the motor, said resolver measures and calculates the actual speed Sa which is sent to the second unit and the second unit regulates the rotational speed of the motor according to the received speed values;
an electrically connected third unit comparing a reference torque Tr of the motor received from the second unit with the actual torque Ta of the motor, said third unit regulates the torque performance of the motor according to the received reference torque Tr;
a first overload unit between the third unit and the motor; and
a second overload-unit receives an error-speed-signal Se which is the difference between Sr and Sa registered by the second unit, said second overload unit compares Se with a maximal allowable speed value Smax, and the second overload unit sends a signal to the motor for the regulating of the torque performance of the motor, said signal is a function of the value of Se.

US Pat. No. 10,767,626

COMPUTER PROGRAM PRODUCT, METHOD AND APPARATUS FOR YAW CONTROL OF WIND TURBINE GENERATOR SYSTEM

1. A method for yaw control of a wind turbine generator system, comprising:obtaining, by the wind turbine generator system, a real-time parameter of wind condition according to a predetermined length of time, wherein the parameter of wind condition comprises a wind direction angle and a wind velocity;
performing, by the wind turbine generator system, vector analysis of the obtained parameter of wind condition to obtain a direction angle of prime wind energy during the predetermined length of time, wherein the direction angle of the prime wind energy is direction with the highest wind energy, and is obtained by performing vector analysis on a cube value of the wind velocity during the predetermined length of time; and
controlling, by the wind turbine generator system, yaw of the wind turbine generator system according to the direction angle of the prime wind energy.

US Pat. No. 10,767,624

APPARATUS FOR JOINING A MODULAR BLADE

NABRAWIND TECHNOLOGIES SL...

1. A wind turbine blade comprising:a first module;
a second module;
a first insert located in the first module, the first insert including a first threaded part;
a second insert located in the second module, the second insert including a second threaded part;
a bolt having a first threaded portion threaded with the first threaded part and a second threaded portion threaded with the second threaded part, the bolt having a longitudinal axis;
a wedge assembly located at least in part in a gap between the first and second modules, the wedge assembly including an upper wedge and a lower wedge, the upper wedge having a first slanted side surface facing the first insert and a second slanted side surface facing the second insert, the lower wedge having a first slanted side surface facing the first insert and a second slanted side surface facing the second insert, the upper and lower wedges being urged toward one another by an applied force causing the first slanted side surface of each of the upper and lower wedges to press against a surface of the first insert to longitudinally stress the bolt in a first direction, and to cause the second slanted side surface of each of the upper and lower wedges to press against a surface of the second insert to longitudinally stress the bolt in a second direction opposite the first direction;
the applied force to the upper and lower wedges being provided by one or more transverse bolts that join the upper and lower wedges, each of the one or more transverse bolts comprising a head and a threaded shank, the head residing inside an opening in the upper wedge, the threaded shank being in threaded engagement with a threaded aperture inside the lower wedge;
the upper wedge including an exterior surface that faces in a first direction that is orthogonal to the longitudinal axis of the bolt and the lower wedge includes an exterior surface that faces in a second direction that is orthogonal to the longitudinal axis of the bolt, the second direction being opposite the first direction, no portion of the one or more transverse bolts protrudes from either of the exterior surfaces of the upper and lower wedges.

US Pat. No. 10,767,623

SERRATED NOISE REDUCER FOR A WIND TURBINE ROTOR BLADE

General Electric Company,...

1. A rotor blade assembly for a wind turbine, the rotor blade assembly comprising:a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root; and,
at least one noise reducer secured at the trailing edge, the noise reducer comprising at least one serration, the at least one serration comprising a base portion and at least one side edge feature extending from the base portion, the base portion extending along a first plane, the side edge feature extending out of the first plane so as to reduce vortices generated by the serration, the side edge feature having a circular cross-section.

US Pat. No. 10,767,622

HIGHLY EFFICIENT WIND TURBINE

1. A highly efficient wind turbine comprises:a cowling;
a turbine wheel;
a support shaft;
an electricity-generating unit;
a front wind-channeling cone;
a back wind-channeling cone;
a wind accelerator;
the cowling being concentrically mounted around the support shaft;
the turbine wheel being rotatably mounted about the support shaft;
the electricity-generating unit being mounted onto the support shaft;
the electricity-generating unit being mechanically coupled to the turbine wheel, wherein the turbine wheel rotationally drives the electricity-generating unit;
the front wind-channeling cone and the back wind-channeling cone being concentrically mounted to the support shaft, adjacent to the turbine wheel;
the front wind-channeling cone and the back wind-channeling cone being positioned opposite to each other about the turbine wheel;
the wind accelerator being mounted around the cowling;
the front wind-channeling cone being encircled by the cowling; and
the back wind-channeling cone being encircled by the wind accelerator.

US Pat. No. 10,767,621

SYSTEM FOR PRODUCING ENERGY VIA USE OF GRAVITY

Karousos LLC, Vienna, VA...

1. A system for producing energy via use of gravity, said system comprising:a fluid lift support assembly comprising a supporting structure and a plurality of fluid lift systems,
wherein said fluid lift systems are secured to said supporting structure,
wherein said system for producing energy is set to a potential status, at t=0, prior to initiation of operation and motion processes of said system, and
wherein said fluid lift systems comprise a plurality of fluid lift mechanisms that engage in said operation and in said motion processes of said system via mechanical operation;
a fluid tank system comprising an upper fluid tank, a lower fluid tank, and a plurality of fluid transfer path controls,
wherein said fluid tanks are positioned vertically with respect to one another,
wherein said fluid tanks are in communication with said fluid lift systems to operate and to set in said motion processes of said system,
wherein each of said fluid tanks comprises a sufficient amount of fluid,
wherein said upper fluid tank comprises a plurality of extensions for transferring fluid along a plurality of fluid transfer paths from said upper fluid tank into corresponding fluid transports cells of a plurality of fluid transports cells (FTCs), and further comprises a plurality of fluid transport cell release platforms (FTCRPs) and at least one fluid transport cell emergency platform (FTCEP),
wherein each fluid transfer path includes corresponding fluid transfer path controls to regulate the transfer of fluid in and out of said fluid transfer path,
wherein said lower fluid tank is positioned on a supporting surface and comprises a lower fluid tank platform,
wherein said lower fluid tank collects descending fluid from said upper fluid tank via corresponding FTCs that descend via gravity from said upper fluid tank,
wherein said lower fluid tank platform comprises at least one opening that enables fluid from descending FTCs of said plurality of FTCs to enter into said lower fluid tank, and
wherein said plurality of FTCRPs provide means of temporary support to potential heights on said upper fluid tank and release from said potential heights to descend their corresponding FTCs as corresponding FTCs are designed to operate in descending and ascending motion processes, and wherein said FTCRPs serve to stabilize corresponding FTCs and temporarily lock them in place, upon their return from said lower fluid tank to a potential state position on said upper fluid tank in a continuous fluid recycling process once again, wherein another affected set of corresponding FTCs will be triggered to initiate the same mechanisms for a next round of fluid entry into said plurality of fluid transfer paths while corresponding FTCs simultaneously will deny fluid entry to corresponding plurality of fluid transfer paths which in turn will adhere to said descending and ascending motion processes;
a plurality of fluid displacement tanks (FDTs) in communication with said fluid lift systems, corresponding FTCs, corresponding fluid lift mechanisms, and said upper and lower fluid tanks,
wherein each of said FDTs comprises an upper section, a lower section connected vertically to said upper section, and a Between Tank Door Assembly (BTDA) disposed between said upper section and said lower section,
wherein said upper section comprises an upper end and a lower end,
wherein said lower section comprises an upper end and a lower end, and is sufficiently submerged in the fluid that is present in said lower fluid tank,
wherein said lower end of said upper section is connected to said upper end of said lower section,
wherein said upper section is thinner in length and width but taller in height than said lower section,
wherein said upper section and said lower section create a fluid transfer path from inside said lower fluid tank onto said upper fluid tank, and
wherein said BTDA prevents backflow of fluid from said upper section to enter said lower section;
said fluid lift mechanisms,
wherein each of said fluid lift mechanisms is in communication with corresponding FDT, said fluid tank system, and corresponding FTC,
wherein each of said fluid lift mechanisms provides a lifting force to each corresponding door platform assembly (DPA) which will elevate fluid located above said corresponding DPA and within said lower section of a corresponding FDT, from inside said lower fluid tank back up onto said upper fluid tank,
wherein upon lift of corresponding DPAs, the volume of fluid within said lower section of corresponding FDTs will be displaced into said upper section of corresponding FDTs, and the already existing fluid within said upper section of corresponding FDTs will be ejected or displaced onto said upper fluid tank of about equal volume to said volume displaced from said lower section of corresponding FDT thus achieving potential fluid height and recycling in the upward direction resulting in increased potential and kinetic energies of said system;
a plurality of FTC lift assemblies in communication with said fluid lift systems, said plurality of FTCRPs, said at least one FTCEP, said plurality of fluid lift mechanisms, said plurality of FDTs, said plurality of fluid transfer path controls, at least one electric generator, and said upper and lower fluid tanks,
wherein each of said FTC lift assemblies moves corresponding FTCs in a vertical motion, upward and downward, and provides controlled descent of potential fluid through corresponding FTCs, wherein each of said FTC lift assemblies powers a corresponding electric generator via gravity thus producing electricity to the grid,
wherein said FTCs act as potential fluid transport containers of controlled fluid descent from said upper fluid tank onto said lower fluid tank and act as power givers of motion to a corresponding electric generator, wherein said FTCs facilitate potential controlled descent of fluid and will drive a corresponding electric generator and that will supply electricity to the grid,
wherein descending FTCs provide the required force, upon engaging corresponding fluid lift mechanisms, to uplift through its corresponding FDTs path about the same amount of fluid as that discharged by its corresponding FTCs upon descent from said upper fluid tank on said lower fluid tank,
wherein said FTCs provide a triggering or operating force to activate or deactivate corresponding fluid transfer path controls, corresponding fluid lift mechanisms, and corresponding FTCRPs,
wherein physical contact is made directly between corresponding FTCs and corresponding fluid lift mechanisms associated with corresponding fluid transfer path controls and corresponding FTCRPs that sets them into motion at a corresponding strike point contact junction (SPCJ),
said at least one electric generator is being powered by said plurality of FTC lift assemblies,
wherein said at least one electric generator delivers power to the grid,
wherein, after said system is initiated, for said system to operate in its modular expansion form requires introduction into said motion processes a mechanical sequence, and
wherein said mechanical sequence is for command and control to synchronize and regulate said motion processes of its operational components throughout operation of said system; and
at least one power source providing energy to initiate operation and said motion processes of said system by triggering a corresponding FTCEP, wherein said at least one power source also re-initiates said motion processes of said system when said motion processes stop.

US Pat. No. 10,767,620

WATER CURRENT POWER GENERATION SYSTEMS

GE Energy (UK) Limited, ...

1. A water current power generating system, comprising:a support structure for locating on a bed of a body of water;
a water current turbine device mounted on the support structure, the water current turbine device comprising a main body and a rotor assembly rotatably mounted to the main body;
a measurement unit operable to determine operating information relating to operation of the system, the operating information comprising operating condition information relating to a plurality of operation conditions of the system, the plurality of operating conditions comprising, at least, an inclination of the main body of the turbine device with respect to the support structure, the measurement unit receiving, at least, the inclination of the main body as measured by an inclinometer of the system; and
a controller operable to determine loading on the system based on the inclination of the main body, and to adjust a controlled parameter of the system such that loading on the system falls below a predetermined threshold value,
wherein the measurement unit and the controller are housed within the main body; and
the controller is operable to store, in advance of power generating operation of the system, load model information relating to expected loading on the system during such operation, wherein the controller is operable to combine the operating information and the load model information to generate expected loading information.

US Pat. No. 10,767,618

SUBMERGED WAVE ENERGY CONVERTER FOR SHALLOW AND DEEP WATER OPERATIONS

The Regents of the Univer...

1. A submerged wave energy converter apparatus, comprising:a planar, horizontally oriented absorber body with an upper surface and a bottom surface, the absorber body comprising at least one aperture and an aperture closure;
a support base disposed beneath the bottom surface of the absorber body;
at least one damper coupled to the absorber body and to the support base, said damper configured to compress or expand with movement of the absorber body relative to the support base;
a linear motion energy converter connected to the damper; and
a restoring force mechanism configured to return a displaced absorber body to a set position;
wherein displacement of the absorber body relative to the support base in response to wave action and corresponding linear movement of the dampers actuates the linear motion energy converter.

US Pat. No. 10,767,617

SURVIVABILITY OF WAVE ENERGY CONVERTORS

1. A wave energy conversion (WEC) system comprising:a float body configured to float on or at a surface of a body of water, said float body comprising one or more ballast chambers of sufficient size to hold enough ballast for the float body to achieve negative buoyancy to submerge beneath the water surface in response to a survivability event;
a heave plate;
at least one tether coupling the heave plate to the float body; and
a controller to control the at least one tether between survivability modes, wherein each survivability mode adjusts a tension and/or length of the at least one tether.

US Pat. No. 10,767,616

KINETIC FLUID ENERGY CONVERSION SYSTEM

SJK ENERGY SOLUTIONS, LLC...

1. A system comprising:at least one hub rotatable about a hub axis of rotation;
one or more articulating plates extending radially from each hub and rotatable therewith, wherein each articulating plate is configured to be articulable about a plate articulation axis that is oriented radially with respect to the hub axis of rotation and wherein each articulating plate has opposed surfaces, a leading edge, and a trailing edge and each articulating plate further comprises a shaft rotatably mounted to an associated hub and defining the articulation axis of the associated plate;
an articulation control system associated with each hub configured to independently control orientation of each plate of the associated hub with respect to the associated plate articulation axis, wherein each plate is operably coupled to the articulation control system so that the articulation control system changes the orientation of the plate as the hub rotates about the hub axis of rotation, wherein the articulation control system is configured to orient each plate in a slipstream orientation in which the opposed surfaces of the plate are parallel to the plane of rotation of the associated hub for a first portion of each rotation of the hub and in a working orientation in which the opposed surfaces are not parallel to the plane of rotation of the hub for a second portion of each rotation of the hub, and wherein each articulation control system comprises:
a fixed track assembly having a continuous track about its perimeter, wherein the continuous track circumscribes the hub axis of rotation, wherein each fixed track assembly comprises a split track assembly including a stationary track member and a movable track member that is movable with respect to the stationary track member in an axial direction with respect to the hub axis of rotation, and wherein the stationary track member is separable from the movable track member along the continuous track; and
a follower assembly coupled to each shaft, wherein the follower assembly traverses the continuous track as the associated hub and plate rotate about the hub axis of rotation to vary the orientation of the plate with respect to the articulation axis of the plate;
an articulation override system configured to override the articulation control system and orient each plate in its slipstream orientation at any angular position about the hub axis of rotation, wherein the articulation override system comprises:
one or more linear actuators configured to axially separate the stationary track member from the movable track member to disengage the follower assembly of each articulating plate from the fixed track assembly;
a primary override ring that is coaxially oriented with respect to the hub axis of rotation;
rocker arms coupling the movable track member to the primary override ring so that axial movement of the movable track member causes a corresponding axial movement of the primary override ring; and
an actuator cam attached to the shaft of each articulating plate of the hub and configured to be contacted by the axially moving primary override ring and retain each articulating plate at its slipstream orientation.

US Pat. No. 10,767,615

MULTIPURPOSE VEHICLE

Kubota Corporation, Osak...

6. A multipurpose vehicle comprising:a traveling vehicle body;
a vehicle speed sensor that detects a traveling speed of the traveling vehicle body;
an engine mounted on the vehicle body, the engine including a first cylinder and a second cylinder;
a speed-changing device that receives a driving force of the engine and changes the driving force to be switched to a plurality of speed shift states with different gear ratios;
a man-operable accelerator operating tool; and
a controller that is configured to control a fuel injection quantity with respect to the first cylinder and the second cylinder based on an amount of operation of the accelerator operating tool, the controller including a maximum traveling speed setting unit that sets a maximum traveling speed of the traveling vehicle body, wherein different maximum traveling speeds are set for different ones of the speed shift states switched by the speed-changing device,
wherein when the traveling speed of the traveling vehicle body detected by the vehicle speed sensor reaches or exceeds the maximum traveling speed that is set in the maximum traveling speed setting unit, the controller is configured to suppress the fuel injection quantity supplied to the first cylinder, irrespective of the amount of operation of the accelerator operating tool, for a first predetermined time interval, and
when the traveling speed of the traveling vehicle body remains equal to or higher than the set maximum traveling speed after lapse of the first predetermined time interval, the controller is configured to change a cylinder subject to fuel injection quantity suppression from the first cylinder to the second cylinder, wherein the fuel injection quantity suppression of the second cylinder comprises reducing the fuel injection quantity, to be supplied to the second cylinder, to a quantity greater than zero;
wherein the controller is configured to change the cylinders subject to the fuel injection quantity suppression from one to another sequentially after lapse of a second predetermined time interval; and
wherein the first predetermined time interval is different from the second predetermined time interval.

US Pat. No. 10,767,613

FUEL INJECTOR WITH LOCATING PINS, INTERNAL COMBUSTION ENGINE USING THE SAME, AND METHOD

DELPHIA TECHNOLOGIES IP L...

1. A fuel injector for injecting fuel into a combustion chamber of an internal combustion engine, said fuel injector comprising:a nozzle body configured to be inserted into a fuel injector receiving bore of said internal combustion engine along a nozzle body axis;
a valve housing held in fixed relationship to said nozzle body; and
a first locating pin and a second locating pin each extending from said valve housing, said first locating pin extending from a first locating pin fixed end which is fixed to said valve housing to a first locating pin free end and said second locating pin extending from a second locating pin fixed end which is fixed to said valve housing to a second locating pin free end, said first locating pin and said second locating pin collectively being configured to be inserted into a locating bore which elastically deforms said first locating pin and said second locating pin, thereby preventing rotational movement of said fuel injector about said nozzle body axis
said first locating pin and said second locating pin are collectively centered about a locating pin axis which is eccentric to said nozzle body axis a gap is formed between said first locating pin and said second locating pin such that said gap extends from said first locating pin free end and said second locating pin free end to said first locating pin fixed end and to said second locating pin fixed end and such that said locating pin axis is located within said gap.

US Pat. No. 10,767,612

CONTROL DEVICE FOR COMPRESSION-IGNITION ENGINE

Mazda Motor Corporation, ...

1. A control device for a compression-ignition engine in which partial compression-ignition combustion including spark ignition (SI) combustion performed by combusting a portion of a mixture gas inside a cylinder by spark ignition followed by compression ignition (CI) combustion performed by causing the remaining mixture gas inside the cylinder to self-ignite is executed at least within a part of an operating range of the engine, comprising:an EGR (exhaust gas recirculation) controller configured to change an EGR ratio that is a ratio of exhaust gas recirculated into the cylinder; and
a combustion controller configured to control the EGR controller during the partial compression-ignition combustion to switch a combustion mode between a first mode and a second mode in which the EGR ratio is higher than the first mode,
wherein after the combustion mode is switched from the first mode to the second mode, the combustion controller is configured to cause the resumption to the first mode upon first determining that both of the following are satisfied:
a noise index value has fallen below an allowable limit, and
a given period of time has elapsed from the switching to the second mode.

US Pat. No. 10,767,610

LIQUID FUEL INJECTOR HAVING DUAL NOZZLE OUTLET SETS, FUEL SYSTEM, AND METHOD

Caterpillar Inc., Peoria...

1. A liquid fuel injector for an internal combustion engine comprising:an injector body defining an inlet passage, a first set of nozzle outlets, a second set of nozzle outlets, a first control chamber and a second control chamber each in fluid communication with the inlet passage, and a low pressure space;
a first outlet check having a closing hydraulic surface exposed to a fluid pressure of the first control chamber and movable between a closed position blocking the first set of nozzle outlets, and an open position;
a second outlet check having a closing hydraulic surface exposed to a fluid pressure of the second control chamber and movable between a closed position blocking the second set of nozzle outlets, and an open position;
a first injection control valve positioned fluidly between the first control chamber and the low pressure space;
a second injection control valve positioned fluidly between the second control chamber and the low pressure space;
the first set of nozzle outlets forming a narrower spray angle, from about 130 degrees to about 140 degrees, and having a first combination of outlet number and outlet size, such that the first set of nozzle outlets produces a relatively greater steady flow of fuel for injection;
the second set of nozzle outlets forming a wider spray angle, from about 140 degrees to about 150 degrees, and having a second combination of outlet number and outlet size different from the first combination, such that the second set of nozzle outlets produces a relatively lesser steady flow of fuel for injection; and
the injector body further defining a common nozzle supply cavity in fluid communication with the inlet passage, and the first set of nozzle outlets and the second set of nozzle outlets being in fluid communication with the common nozzle supply cavity at the open positions of the first outlet check and the second outlet check, respectively.

US Pat. No. 10,767,609

INTERNAL COMBUSTION ENGINE AND METHOD FOR STARTING AN INTERNAL COMBUSTION ENGINE

1. An internal combustion engine comprising:a fuel source configured to provide fuel for the internal combustion engine;
an air source configured to provide air for the internal combustion engine;
a mixer coupled to the fuel source and to the air source, the mixer is configured to produce a flow of a fuel-air mixture, and wherein all of the fuel and the air delivered to the internal combustion engine flows through the mixer;
a main line configured to direct the fuel-air mixture to the internal combustion engine, wherein the mixer discharges the fuel-air mixture into the main line;
a first compressor coupled to the main line;
a second compressor coupled to the main line, wherein the second compressor is downstream from the first compressor;
a first cooler downstream from the first compressor and upstream from the second compressor, wherein the first cooler couples to the main line;
a second cooler downstream from the second compressor, wherein the second cooler couples to the main line;
a bypass line coupled to the main line at a first location and at a second location, wherein the first location is upstream from the first compressor and the second location is downstream from the second cooler, wherein the bypass line reduces the distance between the mixer and an inlet to the internal combustion engine, wherein the bypass line bypasses the first compressor, the first cooler, the second compressor, and the second cooler and directs the fuel-air mixture in a first flow direction from the first location to the second location and into the internal combustion engine during startup of the internal combustion engine, wherein the bypass line selectively recirculates a portion of the fuel-air mixture in a second flow direction from the second location to the first location after startup of the internal combustion engine;
a bypass valve coupled directly to the bypass line and configured to control the flow of the fuel-air mixture through the bypass line in the first and second flow directions; and
a controller coupled to the bypass valve, wherein the controller is configured to open or partially open the bypass valve during startup of the internal combustion engine to direct the fuel-air mixture in the first flow direction, wherein the controller is configured to open or partially open the bypass valve after startup to direct the fuel-air mixture in the second flow direction.

US Pat. No. 10,767,608

AIR INTAKE ASSEMBLY FOR MOTORCYCLE

Harley-Davidson Motor Com...

1. An air intake assembly comprising:a filter element; and
an intake conduit including
a first end supporting the filter element, the first end forming an inlet opening having a first shape,
a second end being adapted for attachment to an engine, the second end forming an outlet opening having a second shape different than the first shape of the inlet opening, and
a body having an inner wall defining a passageway coupling the inlet and outlet openings, the inner wall having a maximum lateral dimension measured transverse to a central axis of the passageway within a plane that interests both the inlet and outlet openings, the maximum lateral dimension located adjacent the outlet opening.

US Pat. No. 10,767,606

TUBULAR AIR CLEANER FOR INTERNAL COMBUSTION ENGINE AND TUBULAR FILTER ELEMENT

TOYOTA BOSHOKU KABUSHIKI ...

1. A tubular air cleaner for an internal combustion engine arranged in an intake air passage of the internal combustion engine, the tubular air cleaner comprising:a tubular housing including a circumferential wall including an inlet, a top wall including an outlet, and a bottom wall opposed to the top wall; and
a tubular filter element including a tubular filter portion and accommodated in the housing, wherein
a frame is arranged at an inner side of the filter portion, wherein the frame maintains a shape of the filter portion,
a planar adsorbent filter is provided within an interior of the frame and extends in an axial direction of the filter portion, wherein the planar adsorbent filter is fixed to the frame,
the adsorbent filter adsorbs evaporated fuel of the internal combustion engine, and
the filter portion includes an inner surface spaced apart from each of opposite planes of the adsorbent filter by a gap that allows air, which has flowed through the filter portion into an inner side of the filter element, to reach the outlet without passing through the adsorbent filter.

US Pat. No. 10,767,605

HEAT EXCHANGER

TOKYO ROKI CO., LTD., Ka...

1. A heat exchanger, comprising:a stack formed by stacking a plurality of tubes through which gas flow;
a tubular inner tank in which the stack is housed; and
a tubular outer tank that is mounted on the outside of the inner tank so as to define an inner space between the outer tank and an outer peripheral surface of the inner tank, wherein
each of both end portions of the tubes has a thickness greater than each of middle portions of the tubes,
the both end portions of the tubes adjacent to each other in the stack are joined together so as to form a clearance between the middle portions of the adjacent tubes in the stack,
outer peripheries of both end portions of the stack are joined to an inner peripheral surface of the inner tank,
an introduction hole for introducing a cooling medium is formed in the outer tank,
a discharge hole for discharging the cooling medium is formed at a location between the both end portions of the tubes in the inner tank, and
a communication hole allowing the clearance and the inner space to communicate with each other is formed in each of both side surfaces of the inner tank positioned inside the outer tank.

US Pat. No. 10,767,603

ATTACHING STRUCTURE FOR MOTOR VEHICLE, INCLUDING BRACKET WITH LOW RIGIDITY PORTION FOR VEHICLE SAFETY

NIFCO INC., Yokosuka-Shi...

1. An attaching structure for a motor vehicle, comprising:a cylinder head;
an EGR valve arranged adjacent to the cylinder head;
a bracket including
a first portion attached to the cylinder head,
a second portion attached to the EGR valve, and
a low rigidity portion arranged between the first portion and the second portion, the low rigidity portion having a rigidity less than remaining portions of the bracket; and
a vehicle component arranged adjacent to the EGR valve,
wherein the low rigidity portion is configured to break when the EGR valve receives a shock load from the vehicle component.

US Pat. No. 10,767,602

ENGINE SYSTEM

HYUNDAI MOTOR COMPANY, S...

1. An engine system comprising:an engine including a combustion chamber generating a driving torque by combustion of a fuel;
a plurality of intake lines though which outside air flows to the combustion chamber;
an exhaust manifold connected to the combustion chamber at an exhaust side;
a plurality of electric superchargers disposed on the plurality of intake lines, respectively; and
an exhaust gas recirculation (EGR) device including:
a recirculation line branched from the exhaust manifold and joined to one of the plurality of intake lines; and
a recirculation valve disposed on the recirculation line,
wherein the plurality of intake lines include:
a first intake line through which outside air is supplied to the combustion chamber;
a second intake line through which outside air is supplied to the combustion chamber; and
a bypass line connecting the first intake line and the second intake line,
wherein the engine system further comprises:
a first intake valve disposed on the first intake line;
a second intake valve disposed on the second intake line; and
a bypass valve disposed on the bypass line,
wherein the plurality of electric superchargers include a first electric supercharger and a second electric supercharger,
wherein the first intake valve is disposed on a lower stream of the first electric supercharger,
wherein the second intake valve is disposed on an upper stream of the second electric supercharger, and
wherein the recirculation line is branched from the exhaust manifold and joined to the second intake line between the second intake valve and the second electric supercharger.

US Pat. No. 10,767,600

EVAPORATIVE EMISSIONS CONTROL FOR A VEHICLE

Polaris Industries Inc., ...

1. A fuel system comprising:a fuel tank;
a mixing volume configured to mix fuel vapor and air, the mixing volume comprising an inlet and an outlet, the outlet configured to be fluidly coupled to an engine;
at least one check valve positioned between the outlet of the mixing volume and the engine; and
a fuel vapor line configured to fluidly couple the fuel tank to the inlet of the mixing volume, the inlet and the outlet of the mixing volume being separate, and the mixing volume being configured to receive a mixture of air and fuel vapor from the fuel vapor line, wherein at least a portion of the air within the mixture is received through an air intake.

US Pat. No. 10,767,598

SYSTEM FOR STORING AN AUXILIARY LIQUID AND SUPPLYING SAME TO AN INTERNAL COMBUSTION ENGINE

14. A method for operating a system configured to store and feed an auxiliary liquid comprising water to an internal combustion engine of a motor vehicle or to parts of the internal combustion engine of the motor vehicle, comprising:venting and/or emptying of at least one line system are/is provided in each case after a shutdown of the internal combustion engine and dependent on ambient temperature,
wherein the system configured to store and feed the auxiliary liquid comprising water to the internal combustion engine of the motor vehicle or to parts of the internal combustion engine of the motor vehicle comprises,
a storage vessel for the auxiliary liquid, having at least one delivery pump for the auxiliary liquid, and having the at least one line system, the at least one line system comprising an inflow line to a consumer and a return flow line into the storage vessel,
a connector module inserted into an opening of the storage vessel, the connector module having fluid ducts which communicate with the storage vessel and are connected to the inflow line and to the return flow line of the line system,
the connector module comprising a module block having a thermally conductive and/or heating body configured to heat the auxiliary liquid,
the connector module being configured as a switchable multiway valve which, in a case of corresponding actuation, makes ventilation and/or emptying of the line system possible, and
wherein the module block comprises thermally conducting elements which extend into a volume of the storage vessel, the thermally conducting elements being spaced apart from the line system.

US Pat. No. 10,767,594

METHODS AND SYSTEMS FOR ENGINE BLOCK THERMAL CONDUCTIVITY

Ford Global Technologies,...

1. An engine block comprising:a first coating arranged on interior surfaces of a cylinder near a top-dead center position of a piston and a second coating arranged on the interior surfaces near a bottom-dead center position of the piston, the first coating comprising a hypereutectic aluminum-silicon alloy and the second coating comprising an iron-based alloy with a thermal conductivity lower than a thermal conductivity of the first coating and a thermal conductivity of the interior surfaces.

US Pat. No. 10,767,593

CONTROL SYSTEM FOR COMPRESSION-IGNITION ENGINE

Mazda Motor Corporation, ...

1. A control system for a compression-ignition engine including a cylinder, an intake passage, an exhaust passage, an intake port communicating the intake passage to the cylinder, an intake valve configured to open and close the intake port, an exhaust port communicating the exhaust passage to the cylinder, an exhaust valve configured to open and close the exhaust port, an injector configured to inject fuel into the cylinder, and a spark plug configured to ignite a mixture gas containing the fuel injected by the injector and air, the engine executing partial compression-ignition combustion in which the mixture gas is spark-ignited with the spark plug to be partially combusted by spark ignition (SI) combustion and the remaining mixture gas self-ignites to be combusted by compression ignition (CI) combustion, comprising:an intake variable mechanism configured to change an open timing of the intake valve; and
a controller including a processor configured to control parts of the engine, including the intake variable mechanism and the spark plug, wherein
while the engine is operating within a given first operating range and a second operating range that is on a higher engine load side of the first operating range, the controller controls the intake variable mechanism to form a gas-fuel ratio (G/F) lean environment in which an air-fuel ratio that is a ratio of air to fuel inside the cylinder is near a stoichiometric air-fuel ratio and burnt gas remains inside the cylinder, and controls the spark plug to spark-ignite the mixture gas so as to combust by the partial compression-ignition combustion at a given timing,
while the engine is operating within the first operating range, the controller controls the intake variable mechanism to advance, as the engine load increases at a constant engine speed, the open timing of the intake valve on an advancing side of a top dead center of exhaust stroke, and
while the engine is operating within the second operating range, the controller controls the intake variable mechanism to retard, as the engine load increases at a constant engine speed, the open timing of the intake valve on the advancing side of the top dead center of the exhaust stroke.

US Pat. No. 10,767,592

FAILURE DIAGNOSIS DEVICE FOR IN-CYLINDER PRESSURE SENSOR

Mazda Motor Corporation, ...

1. A failure diagnosis device for an in-cylinder pressure sensor, comprising:an in-cylinder pressure sensor disposed so as to face to the inside of a combustion chamber of an engine mounted to an automobile, and configured to output a signal corresponding to a pressure inside the combustion chamber; and
an engine controller comprised of circuitry configured to execute a diagnosis module into which the signal of the in-cylinder pressure sensor is inputted to diagnose a failure of the in-cylinder pressure sensor based on the signal of the in-cylinder pressure sensor,
the diagnosis module including:
a reading module configured to read the signal of the in-cylinder pressure sensor at a predefined first timing that is a timing retarded by a specific crank angle from a compression top dead center, and the signal of the in-cylinder pressure sensor at a predefined second timing that is a timing advanced by the specific crank angle from the compression top dead center; and
a failure determining module configured to determine that the in-cylinder pressure sensor has failed when the failure determining module determines that a difference between a signal value of the in-cylinder pressure sensor at the first timing and a signal value of the in-cylinder pressure sensor at the second timing exceeds a predefined threshold.

US Pat. No. 10,767,591

ABNORMALITY DETERMINATION DEVICE FOR VARIABLE GEOMETRY TURBOCHARGER

MITSUBISHI HEAVY INDUSTRI...

1. An abnormality determination device for a variable geometry turbocharger having a nozzle mechanism capable of changing a flow path area of exhaust gas with an actuator, the abnormality determination device comprising:a first detection part configured to detect at least one of a load of the actuator and an amount of energy supplied to the actuator;
a determination part configured to determine that an abnormality is present, if a detection result by the first detection part is outside of an allowable range corresponding to an operational state of the variable geometry turbocharger:
a second detection part configured to detect the operational state of the variable geometry turbocharger; and
a storage part configured to store a map which defines a relationship between the operational state of the variable geometry turbocharger and the allowable range,
wherein the determination part is configured to set the allowable range corresponding to the operational state detected by the second detection part on the basis of the map, and
wherein the map comprises a plurality of maps prepared corresponding to an opening degree of the nozzle mechanism.

US Pat. No. 10,767,590

CRANKCASE VENTILATION SYSTEM AND DIAGNOSTIC METHOD

Ford Global Technologies,...

1. A method comprising:when an intake manifold air pressure is above a threshold boost value, determining a positive crankcase ventilation (PCV) system breach based on a pressure determined using a pressure sensor positioned on a clean side of an oil separator coupled to a crankcase and receiving crankcase gas from the crankcase, where a ventilation line provides fluidic communication between the oil separator and an intake conduit upstream of a compressor.

US Pat. No. 10,767,589

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

DENSO CORPORATION, Kariy...

1. A control device for an internal combustion engine, the control device comprising:a crank angle sensor that outputs a crank angle signal at a predetermined crank angle and a regular interval by synchronizing rotation of a signal rotor fixed on a crank shaft of the internal combustion engine in such a manner that an interval of the crank angle signals is longer at a specific crank angle corresponding to a position of a crank position reference part of the signal rotor; and in such a manner that the interval of the crank angle signals at the predetermined crank angle is the regular interval excluding the position of the crank position reference part; and
at least one processor configured to detect the crank position reference part based on a time interval of the crank angle signals and controls the internal combustion engine by calculating a crank angle based on the crank angle signal corresponding to the position of the detected crank position reference part and discriminating a cylinder,
wherein:
the crank angle sensor includes a rotation detecting function that outputs different crank angle signals in a forward rotation of the crank shaft and in a backward rotation of the crank shaft; and
the at least one processor is further configured, when a stop request to the internal combustion engine is generated or when the backward rotation of the crank shaft is detected based on the crank angle signal,
to disallow the detection of the crank position reference part and
to control the internal combustion engine by calculating the crank angle by adding the predetermined crank angle, in response to detection of the crank angle signal, to the crank angle of the crank position detected before the detection of the crank position reference part is disallowed,
the at least one processor is further configured to execute an automatic stop of the internal combustion engine when a predetermined stop condition is satisfied,
the at least one processor is further configured to execute a restart of the internal combustion engine when a predetermined restart condition is satisfied,
the at least one processor is further configured to disallow the detection of the crank position reference part when an automatic stop request to the internal combustion engine is generated,
the at least one processor is further configured to execute control of the internal combustion engine by calculating the crank position based on the crank position reference part detected before the detection of the crank position reference part is disallowed, and
in a case in which the automatic stop request to the internal combustion engine is generated and a restart request to the internal combustion engine is generated before the internal combustion engine is completely stopped, the at least one processor is further configured to cancel the disallowance of the detection of the crank position reference part when at least one of two conditions of (i) the internal combustion engine is rotated more than a predetermined number of rotation and (ii) a rotation speed of the internal combustion engine is more than a predetermined rotation speed is satisfied.

US Pat. No. 10,767,588

CONTROL APPARATUS FOR ENGINE

MITSUBISHI JIDOSHA KOGYO ...

1. A control apparatus for an engine, the engine comprising a fuel injector that injects fuel into an intake port, a variable valve mechanism that changes opening/closing timings of at least an intake valve, and a first detector that detects an amount of intake air flowing through an intake passage of the engine, the control apparatus comprising:a first controller that sets a valve-opening timing of the intake valve in response to the amount of intake air; and
a second controller that sets an injection start time of the fuel injector in response to the amount of intake air, wherein:
in a case where the amount of intake air is within a first range being greater than a predetermined value, the first controller advances the valve-opening timing as compared with a case where the amount of intake air is equal to the predetermined value; and
in the case where the amount of intake air is within the first range, the second controller delays the injection start time as compared with a case where the amount of intake air is within a second range being less than the predetermined value, and wherein
the first controller advances the valve-opening timing as the amount of intake air increases within the first range; and
the second controller continuously increases the delay of the injection start time as the amount of intake air increases within the first range.

US Pat. No. 10,767,587

METHODS AND SYSTEM FOR INJECTING WATER AT DIFFERENT GROUPS OF CYLINDERS OF AN ENGINE

Ford Global Technologies,...

1. A method, comprising:in response to a request for water injection, selecting, based on engine operating conditions of an engine including an engine load threshold, a location for water injection from among an intake port of each cylinder of the engine, directly into each cylinder of the engine, and multiple manifolds of the engine, each upstream of a different group of cylinders; and
injecting an amount of water into the selected location,
where injecting the amount of water at the multiple manifolds, when the multiple manifolds is the selected location, includes injecting a first amount of water into a first manifold upstream of a first group of cylinders and a different, second amount of water into a second manifold upstream of a second group of cylinders, the first amount determined based on operating conditions of the first group and the second amount determined based on operating conditions of the second group.

US Pat. No. 10,767,585

HYBRID VEHICLE

Toyota Jidosha Kabushiki ...

1. A hybrid vehicle comprising:an engine mounted on the hybrid vehicle;
an electric motor that is a driving source of the hybrid vehicle;
a filter that collects particulate matter in exhaust gas from the engine;
a vehicle control device configured to control traveling of the hybrid vehicle so as to allow switching between an HV traveling in which the hybrid vehicle travels while the engine works and an EV traveling in which the hybrid vehicle travels while working of the engine is stopped; and
an engine control device configured to execute a filter regeneration control that is an engine control for removing the particulate matter deposited in the filter, wherein
the engine control device is configured to adopt satisfaction of a predetermined first condition, as a requirement for execution of the filter regeneration control, when the number of times of start of the engine after vehicle activation is one, and to adopt satisfaction of a second condition, as a requirement for execution of the filter regeneration control, when the number of times of the start is two or more, the second condition being satisfied more easily than the first condition.

US Pat. No. 10,767,584

SYSTEMS AND METHODS FOR CONTROLLING AN ENGINE BASED ON AFTERTREATMENT SYSTEM CHARACTERISTICS

Cummins Inc., Columbus, ...

12. The system of claim 7, wherein the exhaust gas characteristic is an ammonia slip condition, and the aftertreatment system control circuit is further structured to compare the ammonia slip condition to a predetermined threshold, andwherein the acceptable input value includes an increased engine out NOx when the ammonia slip condition is equal to or exceeds the predetermined threshold.

US Pat. No. 10,767,583

METHOD FOR PROCESSING OF MOTOR POSITION DATA BY A MULTI-CORE COMPUTER

CONTINENTAL AUTOMOTIVE FR...

1. A method for processing position data of an automotive vehicle motor, implemented by a multi-core electronic computer (1) comprising:at least one input, to receive a value of angular position of the crankshaft, from an angular position sensor of the crankshaft,
a software module (10) for the production of data of angular position of the motor, adapted to generate a reference angular position (TDC0) on the basis of at least the information provided by said angular position sensor of the crankshaft, and
at least one software module (20) for driving the motor as a function of the angular position data, able to receive from the software module (10) for data production the value of the reference angular position (TDC0),said method comprising:a step (100) of deactivation of each software module for driving the motor by the software module (10) for the production of data of angular position of the motor, followed:
by a step (200) of activation of each software module for driving the motor by the software module (10) for the production of data of angular position of the motor,wherein the deactivation step (100) comprises:a step (110) of dispatching by the software module for the production of data of angular position of the motor, to each software module for driving the motor, of a deactivation command,
followed by at least one step (120) of dispatching by the software module (10) for the production of data of angular position of the motor, to each software module (20) for driving the motor, of a request for confirmation that each software module (20) for driving the motor is deactivated, and
the step (200) of reactivation of the software modules for driving the motor is implemented only when the deactivation of all the software modules (20) for driving the motor has been confirmed to the software module (10) for the production of data of angular position of the motor.

US Pat. No. 10,767,582

VEHICLE CONTROL DEVICE

Mazda Motor Corporation, ...

1. A vehicle control device, comprising:an engine;
an engine control mechanism configured to control torque generated by the engine, the engine control mechanism being selected from the group consisting of a throttle valve, a fuel injector, an ignition plug, a variable intake valve, and a variable exhaust valve;
a processor; and
a computer readable memory storing software modules executable by the processor, the software modules comprising:
a vehicle attitude controlling module including instructions for controlling the engine control mechanism to perform a vehicle attitude control to reduce the torque so as to decelerate the vehicle when a condition that the vehicle is traveling and a steering angle related value that is related to a steering angle of a steering device increases is satisfied; and
a preventing module including instructions for controlling the engine control mechanism to prevent a combustion frequency of the engine from falling below a given value while the vehicle attitude controlling module executes the vehicle attitude control.

US Pat. No. 10,767,580

METHOD FOR CHECKING A PRESSURE MEASUREMENT IN A FUEL TANK

Continental Automotive Fr...

1. A method for checking a measurement of pressure in a fuel tank, the method being implemented in a vehicle comprising a fuel tank comprising a pressure sensor and a tank fuel vapor breather circuit comprising:a fuel vapor filter,
a fuel tank isolation valve interposed between the fuel tank and the filter, and
a fuel vapor purge line, connected to the filter, downstream thereof, and comprising a sensor of pressure in the purge line, and a purge valve designed to selectively allow or prevent circulation of fluid in the purge line,
the method comprising, when the purge valve is closed, of:
measuring a value of a pressure in the fuel tank when the tank isolation valve is closed,
measuring a temporal extreme value for the pressure in the purge line following an opening of the isolation valve, and
determining, from the two pressure values measured, the presence of an anomaly in the measured value for the pressure in the fuel tank.

US Pat. No. 10,767,579

MONITORING THE FUNCTION OF SOLENOID VALVES FOR FUEL INJECTION SYSTEMS

Robert Bosch GmbH, Stutt...

1. A method (100) for operating a solenoid valve (1) for metering a fuel (2) in a fuel injection system (3), wherein the solenoid valve is configured to be actuated counter to a return force (12) by an electromagnet (11), the method comprising:detecting, at at least one opening of the solenoid valve (1), either or both of a temporal profile I(t) of a current I flowing through the electromagnet (11) and a temporal profile U(t) of a voltage U applied to the electromagnet (11);
evaluating, from either or both of the temporal profile I(t) and the temporal profile U(t), an opening time tON and a closure time tOFF of the solenoid valve (1);
comparing an actual opening duration TT=tOFF?tON of the solenoid valve (1) with a reference value TR; and
compensating or correcting a difference in the actual opening duration TT with respect to the reference value TR by changing the voltage temporal profile u(t) applied to the electromagnet (11) or the current temporal profile i(t) applied to the electromagnet (11).

US Pat. No. 10,767,578

ENERGY SAVING DEVICE FOR INTERNAL COMBUSTION ENGINE

1. An energy saving device comprising:a control box, a battery, an operation setting system, a car speed sensor assembly, and an air intake fan motor;
wherein:
the control box includes an integrated circuit (IC) board which is electrically connected with the battery, the operation setting system, the car speed sensor assembly, and the air intake fan motor;
the battery is electrically connected with the IC board of the control box, to provide an electric power to actuate the air intake fan motor;
the operation setting system is electrically connected with the IC board of the control box, and includes an operation setting monitor which presets a plurality of grades according to a car speed and an air flow rate of the air intake fan motor;
the car speed sensor assembly includes a first car speed sensor for a car propeller shaft, a second car speed sensor for an anti-locking braking system (ABS), a third car speed sensor for an electronic braking system (EBS), a fourth car speed sensor for a spark ignition system, and a fifth car speed sensor for a global positioning system (GPS);
the car speed sensor assembly is provided with an IC chip which is electrically connected with the IC circuit board of the control box;
the IC chip of the car speed sensor assembly identifies a car speed information detected by the first car speed sensor, the second car speed sensor, the third car speed sensor, the fourth car speed sensor, and the fifth car speed sensor, and transmits the car speed information to the (IC) circuit board of the control box;
the car speed sensor assembly is further provided with a subscriber identity module (SIM) card module for a global system for mobile communication (GSM) network;
the SIM card module receives a code message emitted from a cell phone, and starts the air intake fan motor;
the air intake fan motor is electrically connected with the IC board of the control box;
the air intake fan motor is located at a front position of an air inlet pipe of an internal combustion engine; and
the air intake fan motor drives and rotates an air intake fan.

US Pat. No. 10,767,577

METHOD OF IMPLEMENTING CONTROL LOGIC OF COMPRESSION-IGNITION ENGINE

Mazda Motor Corporation, ...

1. A method of implementing control logic of a compression-ignition engine, the engine comprising: an injector configured to inject fuel to be supplied in a combustion chamber; a variable valve operating mechanism configured to change a valve timing of an intake valve; an ignition plug configured to ignite a mixture gas inside the combustion chamber; at least one sensor configured to measure a parameter related to an operating state of the engine; and a controller including a processor configured to execute the control logic and a memory in which the control logic is stored, the controller being configured to perform a calculation according to the control logic corresponding to the operating state of the engine in response to the measurement of the at least one sensor, and output a signal to the injector, the variable valve operating mechanism, and the ignition plug, the controller outputting the signal to the injector and the variable valve operating mechanism so that a gas-fuel ratio (G/F) that is a weight ratio of an entire gas of the mixture gas inside the combustion chamber to the fuel becomes leaner than a stoichiometric air fuel ratio, and air-fuel ratio (A/F) that is a weight ratio of air contained in the mixture gas to the fuel becomes the stoichiometric air fuel ratio or richer than the stoichiometric air fuel ratio, and outputting a signal to the ignition plug so that unburnt mixture gas combusts by self-ignition after the ignition plug ignites the mixture gas inside the combustion chamber, and the method comprising:determining a geometric compression ratio ? of the engine;
executing, by the processor, the control logic defining a valve close timing IVC of the intake valve; and
closing, by the variable valve operating mechanism, the intake valve when the valve close timing IVC (deg.aBDC) is determined so that the following expression is satisfied:
if the geometric compression ratio ? is 10??<17,
0.4234?2?22.926?+207.84+C?IVC??0.4234?2+22.926??167.84+C
and if the geometric compression ratio ? is 17??<20,
?0.4288?2+31.518??379.88+C?IVC??0.4234?2+22.926??167.84+C
or
0.4234?2?22.926?+207.84+C?IVC?1.9163?2?89.935?+974.94+C
and if the geometric compression ratio ? is 20???30,
?0.4288?2+31.518??379.88+C?IVC?120
or
?80?IVC?1.9163?2?89.935?+974.94+C
where C is a correction term according to an engine speed NE (rpm),
C=3.3×10?10NE3?1.0×10?6NE2+7.0×10?4NE.

US Pat. No. 10,767,576

CONTROL DEVICE FOR CYLINDER DIRECT INJECTION TYPE OF INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control device of a cylinder-injection internal combustion engine, comprising:a spark plug provided with a spark generation part;
an injector provided with a movable valve body and an injection hole, the injector configured to inject a fuel into a cylinder of the internal combustion engine via the injection hole such that at least a portion of the injected fuel contacts the spark generation part directly; and
a control unit configured to execute a first fuel injection process for lifting the movable valve body of the injector to inject the fuel into the cylinder, and an ignition process for causing the spark generation part to generate a spark in an engine cycle,
wherein the control unit is programmed to:
set a target ignition timing for which the spark generation part is to be caused to generate the spark based on an operation state of the internal combustion engine;
set a first target fuel injection amount for which the injector is to inject the fuel into the cylinder based on the operation state of the internal combustion engine;
set a first target lift amount for which the movable valve body of the injector is to be lifted based on the first target fuel injection amount;
set a first target injection end timing for which the movable valve body of the injector is to be closed based on the first target lift amount, such that the first target injection end timing is advanced when the first target lift amount is relatively small, as compared to when the first target lift amount is relatively large;
set a first target injection start timing for which the movable valve body of the injector is to be lifted based on the first target injection end timing, the first target lift amount, and the first target fuel injection amount;
start the first fuel injection process at the first target injection start timing to thereby lift the movable valve body of the injector to the first target lift amount;
end the first fuel injection process at the first target injection end timing to thereby move the movable valve body of the injector to close the injection hole; and
cause the spark generation part to generate the spark at the target ignition timing.

US Pat. No. 10,767,575

CONTROL SYSTEM AND METHOD FOR FUEL INJECTION BY PREDICTING ENGINE NOISE

Hyundai Motor Company, S...

1. A noise control system related to fuel efficiency and emission value by predicting engine noise, the noise control system comprising:an engine noise predicting device configured to derive a real-time predicted engine noise value by a predicted engine noise coefficient which is pre-stored according to a currently measured combustion pressure value of an engine; and
an engine control unit (ECU) configured to determine a difference between the real-time predicted engine noise value derived by the engine noise predicting device and a target engine noise value for a current operation condition of the engine, and when the engine noise is determined as being degraded due to an abnormal combustion, configured to change the target engine noise value to control the fuel efficiency and the emission value according to the changed target engine noise value.

US Pat. No. 10,767,574

MULTI-FUEL ENGINE AND METHOD OF CONTROLLING THE SAME

Finn Associates (Business...

1. A multi-fuel engine, said multi-fuel engine comprising:a primary fuel supply and at least one secondary fuel supply, the primary and at least one secondary fuel supplies being arranged to mix a primary fuel and a secondary fuel with each other and with air for combustion in one or more cylinders of the multi-fuel engine in use;
one or more electronic control units arranged to control one or more supply characteristics of the primary fuel, the secondary fuel, or both the primary and the secondary fuels in use;
said multi-fuel engine including a mass air flow (MAF) sensing means fitted to a suction side of a combustion air inlet means of the multi-fuel engine, at least one of the one or more electronic control units being arranged to receive one or more signals from the mass air flow sensing means to control, at least partially, one or more supply characteristics of the primary fuel supply;
at least one of the one or more electronic control units and a further electronic control unit is arranged to receive one or more signals from the mass air flow sensing means to control, at least partially, one or more supply characteristics of the at least secondary fuel supply, wherein the secondary fuel is injected into an air intake stream for the one or more cylinders of the multi-fuel engine upstream of the mass air flow sensing means.

US Pat. No. 10,767,573

LIQUEFIED GAS FUEL FEEDING SYSTEM AND A METHOD OF OPERATING A POWER PLANT OF INTERNAL COMBUSTION ENGINES POWERED WITH LIQUEFIED GAS

1. A liquefied gas fuel feeding system comprising:a liquefied gas container configured to store liquefied gas and gaseous gas in cryogenic circumstances;
a first fuel passage opening into an ullage space of the gas container;
a second fuel passage opening into a bottom section of the gas container and provided with a controllable pump;
at least two fuel delivery passages each of which is configured to convey gas to a single gas consumer of at least two gas consumers; and
a valve assembly configured to connect the first fuel passage or the second fuel passage alternatively to each one of the at least two fuel delivery passages.

US Pat. No. 10,767,572

SUPPORTING ARRANGEMENT FOR AN ECCENTRIC MEMBER OF AN ADJUSTING ARRANGEMENT, AND ADJUSTING ARRANGEMENT

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

1. A supporting arrangement for an eccentric member of an adjusting arrangement of a connecting rod of a reciprocating piston internal combustion engine having at least one piston rod guided displaceably by a piston and a seal that is connected to the supporting piston in a supporting cylinder that is provided in the connecting rod and has a longitudinal axis, the supporting piston enclosing at least one cylinder chamber with the supporting cylinder wherein the supporting piston has a brake piston on a side directed toward the cylinder chamber, the brake piston is mounted on the supporting piston and can be moved in the longitudinal axis; and a prestressing means for prestressing the brake piston.

US Pat. No. 10,767,571

METHODS AND SYSTEM FOR OPERATING AN ENGINE

Ford Global Technologies,...

15. A vehicle system, comprising:an engine including a compression ratio adjustment linkage;
an automatic transmission coupled to the engine; and
a controller including executable instructions stored in non-transitory memory to change the engine's compression ratio via the compression ratio adjustment linkage according to an increasing or decreasing accelerator pedal position and a forecast gear shifting of the automatic transmission from a first gear to a second gear.

US Pat. No. 10,767,570

REGULATING DEVICE FOR AN INTERNAL COMBUSTION ENGINE

PIERBURG GMBH, Neuss (DE...

1. A regulating device for an internal combustion engine, the regulating device comprising:an intake pipe;
an exhaust gas recirculation pipe configured to open into the intake pipe;
a housing configured to have the intake pipe and the exhaust gas recirculation pipe be formed therein;
a shaft configured to act as an axis of rotation, the shaft being arranged perpendicular to a center line of the intake pipe and to a center line of the exhaust gas recirculation pipe; and
a regulating element eccentrically mounted on the shaft, the regulating element comprising a first surface, a second surface, and guide ribs arranged on the second surface,
wherein,
in a first end position of the regulating element, in which the intake pipe is at least throttled upstream of an opening of the exhaust gas recirculation pipe, a normal vector of the first surface points to an upstream side of the intake pipe,
in a second end position of the regulating element, in which the exhaust gas recirculation pipe is closed, a normal vector of the second surface points to the exhaust gas recirculation pipe, and
the guide ribs are arranged on the second surface of the regulating element so that an exhaust gas flow flows into the intake pipe when the exhaust gas recirculation pipe is opened.

US Pat. No. 10,767,569

METHOD FOR CONTROLLING THE OPERATION OF A GAS TURBINE WITH AN AVERAGED TURBINE OUTLET TEMPERATURE

Ansaldo Energia Switzerla...

1. A method for operating a gas turbine having a compressor, a combustor, a turbine downstream of the combustor, and sensors distributed at a total number of measurement points about the turbine, the method comprising:determining with the sensors a turbine outlet temperature measurement at each of the total number of measurement points to yield a total number of turbine outlet temperature measurements;
obtaining a reference average turbine outlet temperature based on all the turbine outlet temperature measurements determined at each of the total number of measurement points;
selecting a number of the turbine outlet temperature measurements, which is smaller than the total number of the turbine outlet temperature measurements, as selected turbine outlet temperature measurements, wherein the selecting is performed by determining ones of the turbine outlet temperature measurements which satisfy a selection criteria;
averaging the selected turbine outlet temperature measurements to obtain a value of an average turbine outlet temperature;
controlling an operation of the gas turbine in dependence of a deviation calculated between the reference average turbine outlet temperature obtained and the value of the average turbine outlet temperature; and
wherein the selection criteria includes one of:
having a specified data quality,
having a measurement value within a specified number of highest measurement values considering all the turbine outlet temperature measurements determined at each of the total number of measurement points, and
having a measurement value within a specified temperature deviation from a previously obtained value of the average turbine outlet temperature.

US Pat. No. 10,767,568

DUAL SPOOL POWER EXTRACTION WITH SUPERPOSITION GEARBOX

Raytheon Technologies Cor...

1. A turbofan engine comprising:a first spool including a first turbine;
a second spool including a second turbine disposed axially forward of the first turbine;
a first tower shaft engaged to the first spool;
a second tower shaft engaged to the second spool;
a superposition gearbox including a sun gear, a plurality of intermediate gears engaged to the sun gear and supported in a carrier and a ring gear circumscribing the intermediate gears, wherein the second tower shaft is engaged to drive the sun gear;
a first clutch for selectively coupling the first tower shaft to the ring gear;
a second clutch for selectively coupling the sun gear to the carrier; and
an accessory gearbox driven by an output of the superposition gearbox.

US Pat. No. 10,767,567

MULTI-SPOOL GAS TURBINE ENGINE ARCHITECTURE

1. A multi-spool gas turbine engine comprising: a low pressure (LP) spool; a high pressure (HP) spool, the LP spool and the HP spool being independently rotatable from one another about a central axis, the LP pressure spool comprising an LP compressor and an LP turbine, the HP spool comprising an HP turbine and an HP compressor; and an accessory gear box (AGB) mounted in axial series at one end of the engine, the LP compressor being positioned between the HP compressor and the AGB, the AGB being drivingly connected to the HP spool through the center of the LP compressor, wherein the engine is an aircraft engine having a reverse flow configuration including an air inlet disposed aft of the LP compressor along a direction of travel of the aircraft engine, and wherein the AGB is disposed aft of the air inlet.

US Pat. No. 10,767,566

ELECTRIC PROPULSION MOTOR COOLING SYSTEM AND METHOD

Hamilton Sundstrand Corpo...

1. An electric propulsion system for a gas turbine engine, comprising:an electric motor disposed within a nacelle of the gas turbine engine, an inner surface of the nacelle at least partially defines a fan bypass duct, and the electric motor is disposed radially outward from the fan bypass duct;
wherein the electric motor is configured to receive a bypass air from the fan bypass duct for cooling the electric motor and the electric motor is configured to drive a low speed shaft of the gas turbine engine.

US Pat. No. 10,767,565

SYSTEM AND METHOD FOR SEALING A FLUID SYSTEM IN A SAFETY CONDITION

1. A system comprising:a pipe defining a fluid passage, the pipe having a first rate of thermal expansion,
a housing defining an opening for receiving an end of the pipe for fluid circulation between the fluid passage and an interior of the housing, the housing having a second rate of thermal expansion lesser than the first rate of thermal expansion, at least one annular gap defined between a periphery of the opening and the end of the pipe when the system is below a safety condition threshold temperature, and
at least one seal sealing the annular gap,
wherein the pipe and the housing are configured and the first and second rates of thermal expansion are selected so that, when the system exceeds the safety condition threshold temperature, the end of the pipe contacts the periphery of the opening by thermal expansion to seal the annular gap independent of the at least one seal.

US Pat. No. 10,767,564

AIR TURBINE STARTER WITH AUTOMATED VARIABLE INLET VANES

HAMILTON SUNSTRAND CORPOR...

1. An air turbine starter comprising:a turbine wheel including a hub integrally attached to a turbine rotor shaft and a plurality of turbine blades extending radially outward from the hub;
an inlet housing at least partially surrounding the turbine wheel;
a nozzle located upstream from the turbine wheel and contained within the inlet housing defining an inlet flowpath between the nozzle and the inlet housing, the inlet flowpath directs air flow into the turbine blades;
a plurality of turbine vanes rotatably connected to the nozzle, each turbine vane extending radially from the nozzle into the inlet flowpath towards the inlet housing,
wherein the plurality of turbine vanes are operable to adjust air flow through the inlet flowpath by rotating each turbine vane, and
wherein each of the plurality of turbine vanes can be rotated to any selected angle in between a fully closed angle and a fully open angle, the selected angle is equal to zero degrees when at the fully open angle and the selected angle is equal to 90 degrees when at the fully closed angle,
a sync-ring operably connected to each turbine vane, wherein the sync-ring in operation rotates each turbine vane when the sync-ring moves,
an actuator operably connected to the sync-ring, wherein the actuator in operation moves the sync-ring;
a controller in communication with the actuator, wherein the controller is configured to operate the actuator in response to turbine blade airflow requirements of the air turbine starter, and
a speed sensor in communication with the controller, wherein the speed sensor in operation detects an angular velocity of the turbine rotor shaft,
wherein the controller is configured to determine the turbine blade airflow requirements of the air turbine starter to mitigate a bowed rotor condition of a gas turbine engine operably connected to the air turbine starter in response to an angular velocity of the gas turbine engine, an angular velocity of the turbine rotor shaft, and a pressure upstream of the air turbine starter, and
wherein the controller is further configured to operate the actuator in response to the determined turbine blade airflow requirements of the air turbine starter to mitigate the bowed rotor condition.

US Pat. No. 10,767,563

COMPACT AERO-THERMO MODEL BASED CONTROL SYSTEM

RAYTHEON TECHNOLOGIES COR...

1. A control system, comprising:an actuator configured to position a control device comprising a control surface; and
a computer processor configured to execute a control law to control the actuator as a function of a model output and generate the model output based on execution of a plurality of executable instructions:
set a plurality of dynamic states as input to an open loop model based on a model operating mode, the dynamic states comprising a plurality of dynamically determined physics states of a plurality of components of the control device;
generate a plurality of current state derivatives, solver state errors, and synthesized parameters as a function of the dynamic states and a model input vector in the open loop model, wherein a constraint on the current state derivatives, solver state errors, and synthesized parameters is based on a series of cycle synthesis modules that model a cycle of the control device, the cycle synthesis modules partitioned into at least a primary stream group and a secondary stream group corresponding to a primary stream and a secondary stream of the components of the control device;
determine an estimated state of the model based on at least one of a prior state and the current state derivatives, the solver state errors, and the synthesized parameters; and
determine the model output based at least in part on the synthesized parameters.

US Pat. No. 10,767,562

MODULATED COOLED P3 AIR FOR IMPELLER

1. A gas turbine engine comprising a compressor section, including:a bleed-off valve connected in a bleed-air flow passage, for selectively bleeding low pressure air from the compressor section through the bleed-air flow passage to an outlet of an exhaust duct when the bleed-off valve is open, the outlet disposed downstream of a turbine section;
a cooler having a first passage connected to the bleed-air flow passage in parallel with the bleed-off valve to allow a stream of said low pressure air to flow through the cooler and to bypass the bleed-off valve when the bleed-off valve is closed, the cooler having a second passage for directing a stream of high pressure air bled from a plenum around a combustion chamber through the cooler before delivering the stream of said high pressure air to an impeller rear cavity formed behind an impeller hub of the compressor section, the stream of said high pressure air having a higher pressure than the stream of said low pressure air;
wherein the stream of said low pressure air through the first passage of the cooler is modulated by the bleed-off valve parallel to the first passage of the cooler, so as to selectively cool the stream of said high pressure air flowing through the second passage of the cooler with the stream of said low pressure air; and
a controller configured to control the bleed-off valve such that the bleed-off valve is closed during engine high power and is open during engine low power.

US Pat. No. 10,767,561

METHOD AND APPARATUS FOR COOLING THE AMBIENT AIR AT THE INLET OF GAS COMBUSTION TURBINE GENERATORS

Stellar Energy Americas, ...

1. A direct contact air chiller for chilling inlet air to a gas turbine comprising:a first plurality of sheets;
a second plurality of sheets;
a first distribution channel configured to receive chilled water from a supply pipe and distribute the chilled water to the first plurality of sheets;
a second distribution channel located between the first plurality of sheets and the second plurality of sheets, the second distribution channel configured to receive the chilled water directly from the first plurality of sheets and distribute the chilled water to the second plurality of sheets;
a water level sensor placed in the second distribution channel and configured to sense a water level in the second distribution channel; and
a flow control valve located on the supply pipe,
wherein the water level sensor directly modulates the flow control valve through a range of positions in order to maintain a predetermined water level in the second distribution channel, and
wherein the direct contact air chiller is configured to chill, dehumidify, and filter inlet air flowing through the direct contact air chiller.

US Pat. No. 10,767,560

BEARING COMPARTMENT OIL AUTO-IGNITION MITIGATION

RAYTHEON TECHNOLOGIES COR...

1. A bearing assembly for a gas turbine engine comprising:a bearing housing extending along an axis to define a bearing compartment;
a lubricant seal assembly adjacent to the bearing housing to bound the bearing compartment;
an air seal assembly defining a vent cavity along the bearing housing, wherein a mixing cavity is defined between the lubricant seal assembly and the air seal assembly; and
wherein the bearing housing defines an airflow supply passage, an airflow vent passage and a scupper passage having respective fluid ports at different circumferential positions relative to the axis, the fluid port of the airflow vent passage fluidly coupled to the vent cavity, and the fluid ports of the airflow supply and scupper passages fluidly coupled to the mixing cavity.

US Pat. No. 10,767,559

ADAPTIVE-AREA INERTIAL PARTICLE SEPARATORS

Rolls-Royce North America...

1. A particle separator for use with a gas turbine engine, the particle separator comprisingan adaptive-area hub arranged circumferentially about an axis of the particle separator to define an inner profile of the particle separator, the adaptive-area hub includes an inner wall arranged circumferentially about the axis, a plurality of outer slats arranged circumferentially about the inner wall, and a plurality of inner slats located radially between the inner wall and the plurality of outer slats,
an outer wall arranged circumferentially about the adaptive-area hub to define an inlet passageway between the outer wall and the adaptive-area hub, the inlet passageway adapted to receive a mixture of air and particles suspended in the air, and
a splitter located aft of the adaptive-area hub and configured to separate the mixture of air and particles into a clean flow substantially free of particles and a dirty flow containing the particles during operation of the particle separator,
wherein the adaptive-area hub is configured to move between a non-austere position in which the plurality of inner slats is aligned circumferentially with the plurality of outer slats to cause the inner wall to provide the inner profile of the particle separator such that the inlet passageway has a first area and an austere position in which the plurality of inner slats is misaligned circumferentially with the plurality of outer slats to cause the plurality of inner slats and the plurality of outer slats to cooperate to provide the inner profile of the particle separator such that the inlet passageway has a second area smaller than the first area to encourage the particles into the dirty flow.

US Pat. No. 10,767,558

ADAPTIVE-CURVATURE INERTIAL PARTICLE SEPARATORS

Rolls-Royce North America...

1. A particle separator for use with a gas turbine engine, the particle separator comprisingan adaptive-curvature inner wall arranged circumferentially about an axis,
an outer wall arranged circumferentially about the adaptive-curvature inner wall to define an inlet passage of the particle separator, the inlet passage adapted to receive a mixture of air and particles suspended in the air,
a splitter located radially between the outer wall and the adaptive-curvature inner wall to separate the mixture of air and particles into a clean flow substantially free of particles and a dirty flow containing the particles during operation of the particle separator, the splitter and the adaptive-curvature inner wall define an engine channel arranged to receive the clean flow, and the splitter and the outer wall define a scavenge channel arranged to receive the dirty flow, and
a control system configured to detect a presence of the particles suspended in the air and to move selectively the adaptive-curvature inner wall between a non-austere arrangement in which the adaptive-curvature inner wall has a first maximum radius and an austere arrangement in which the adaptive-curvature inner wall has a second maximum radius greater than the first maximum radius in response to the control system detecting the presence of the particles,
wherein the adaptive-curvature inner wall includes a plurality of overlapping leaves configured to slide relative to one another in response to the adaptive-curvature inner wall moving between the non-austere arrangement and the austere arrangement,
wherein the plurality of overlapping leaves includes a first leaf and a second leaf located downstream of the first leaf, the first leaf and the second leaf each includes a fore end and an aft end spaced axially apart from the fore end, and the aft end of the first leaf is located radially outward of and overlaps the fore end of the second leaf,
wherein one of the first leaf and the second leaf includes a pin and the other of the first leaf and the second leaf includes an axially extending pin-receiving slot that receives the pin,
wherein the pin includes a stem and a head located at an end of the stem, and the slot includes a first section that is sized to receive the head and a second section that is sized to receive the stem and block the head from moving out of the slot in a direction outward from a top surface of the first leaf to couple the first leaf with the second leaf and the pin slides relative to the slot in the second section of the slot when the adaptive curvature inner wall moves between the non-austere arrangement and the austere arrangement,
wherein the first leaf and the second leaf slide relative to one another along the path of the second section of the slot and do not rotate around an axis of the pin,
wherein the plurality of overlapping leaves define an internal cavity that is in fluid communication with a pressurized air source to block particles from moving between the first lead and the second leaf into the internal cavity.

US Pat. No. 10,767,557

GAS-ASSISTED AIR TURBINE SYSTEM FOR GENERATING ELECTRICITY

Ladan Behnia, Beverly Hi...

4. A system for generating electricity comprising:a turbine comprising turbine blades, the turbine being configured so that the turbine blades rotate when working fluid is flowing through the turbine;
a generator coupled to the turbine by a generator shaft so that an armature of the generator rotates when the turbine blades of the turbine are rotating, wherein rotation of the armature produces electricity;
a compressor selectively coupled to the turbine by a compressor drive assembly, the compressor drive assembly comprising a first drive shaft, a second drive shaft, and a clutch coupled between the first drive shaft and the second drive shaft, an outlet of the compressor being fluidly coupled to the turbine by a plurality of compressor feed valves;
a reservoir containing compressed air, the reservoir fluidly communicating with the turbine via a combustion chamber and a plurality of reservoir feed valves;
a pressure sensor capable of providing a stream of signals corresponding to a pressure of the compressed air in the reservoir, the pressure sensor being disposed in fluid communication with the reservoir;
a fuel valve coupled between the combustion chamber and a supply of fuel gas; and
circuitry operatively coupled to the pressure sensor, the clutch, the plurality of compressor feed valves, the plurality of reservoir feed valves, and the fuel valve, wherein the circuitry comprises one or more processors and a non-transitory computer readable medium storing one or more instruction sets, wherein the one or more instruction sets include instructions configured to be executed by the one or more processors to cause the system to:
determine the pressure of the compressed air in the reservoir based on the stream of signals from the pressure sensor;
disengage the clutch, close the plurality of compressor feed valves, open the plurality of reservoir feed valves, and close the fuel valve while the system is operating in a first operating mode;
disengage the clutch, close the plurality of compressor feed valves, open the plurality of reservoir feed valves, and open the fuel valve while the system is operating in a second operating mode;
engage the clutch, open the plurality of compressor feed valves, open the plurality of reservoir feed valves, and open the fuel valve while the system is operating in a third operating mode; and
engage the clutch, open the plurality of compressor feed valves, close the plurality of reservoir feed valves, and open the fuel valve while the system is operating in a fourth operating mode.

US Pat. No. 10,767,556

METHOD AND EQUIPMENT FOR COMBUSTION OF AMMONIA

Siemens Aktiengesellschaf...

1. A method for the combustion of ammonia, wherein a first combustion chamber receives ammonia and hydrogen in controlled proportions, and an oxygen-containing gas, wherein combustion of the ammonia and hydrogen produces NH2 ions among exhaust gases from the first combustion chamber, and wherein a second combustion chamber receives the exhaust oases from the first combustion chamber and receives further ammonia and further hydrogen in controlled proportions, wherein combustion in the second combustion chamber produces nitrogen oxides among exhaust gases from the second combustion chamber, and wherein a third combustion chamber receives the exhaust gases from the second combustion chamber including nitrogen oxides along with further ammonia and further hydrogen in further controlled proportions along with further oxygen-containing gas, such that the nitrogen oxides are combusted into nitrogen and water.

US Pat. No. 10,767,555

FAN DRIVE GEAR SYSTEM MODULE AND INLET GUIDE VANE COUPLING MECHANISM

Raytheon Technologies Cor...

1. A gas turbine engine comprising:a fan arranged in a bypass flow path and including a plurality of fan blades rotatable about an axis, wherein the fan is arranged in a fan section having an outer housing, wherein the outer housing surrounds the fan to define a bypass duct that provides the bypass flow path;
an on-wing portion including:
a compressor section;
a combustor in fluid communication with the compressor section;
a turbine section in fluid communication with the combustor;
a core flow path arranged within a core nacelle, the fan arranged upstream from the core flow path, the compressor section is configured to draw air in the a core flow path where air is compressed and communicated to the combustor;
a fan drive gear system module coupled to the turbine section for rotating the fan about the axis; and
a connector assembly including first and second members respectively secured to the on-wing portion and the fan drive gear system module, the first and second members removably secured to one another by radially extending fasteners, wherein the first members are connected to the on-wing portion of the gas turbine engine, and the second members are connected to the fan drive gear system module, wherein the fasteners are accessible through the core flow path.

US Pat. No. 10,767,554

TURBINE FOR AN EXHAUST GAS TURBOCHARGER WITH A TWO-VOLUTE TURBINE HOUSING AND A VALVE ARRANGEMENT HAVING IMPROVED OUTFLOW

Continental Automotive Gm...

1. A turbine for an exhaust-gas turbocharger, the turbine comprising:a turbine housing having two exhaust-gas volutes for a flow of exhaust gas, a separating wall between said two exhaust-gas volutes, and a common wastegate opening;
a linear valve having a valve element for selectively opening and closing said common wastegate opening, and a displacement shaft, with a shaft longitudinal axis, for actuating said valve element;
said displacement shaft extending through said separating wall in a direction of a separating wall plane spanned by said separating wall and movably disposed in a direction of said shaft longitudinal axis in said separating wall; and
said valve element being disposed in a separating wall cutout between said exhaust-gas volutes and being led out from a region of said exhaust-gas volutes, in a direction of the wastegate opening, toward a valve seat which is formed on an inner side of said wastegate opening facing towards said exhaust-gas volutes.

US Pat. No. 10,767,553

TURBOCHARGER WITH A TURBINE HOUSING TO WHICH IS ATTACHED AN ACTUATOR HOUSING OF A WASTE GATE VALVE

PIERBURG GMBH, Neuss (DE...

1. A turbocharger comprising:a waste gate valve;
a compressor;
a turbine;
a turbine housing configured to house the turbine;
a bypass channel comprising an opening cross-section, the bypass channel being configured to bypass the turbine;
a bypass channel portion formed in the turbine housing;
an actuator housing comprising a separate first coolant channel which comprises a coolant inlet port and a coolant outlet port, the actuator housing being formed separately and being secured to the turbine housing;
an electric motor arranged in the actuator housing;
a transmission comprising an output shaft, the transmission being arranged in the actuator housing; and
a control body coupled to the output shaft, the control body being configured to control the opening cross-section of the bypass channel,
wherein,
the first coolant channel is configured to radially surround the electric motor when viewed along a longitudinal axis of the electric motor.

US Pat. No. 10,767,552

CONTROL APPARATUS AND CONTROL METHOD FOR VARIABLE VALVE TIMING MECHANISM

HITACHI AUTOMOTIVE SYSTEM...

1. A control apparatus for a variable valve timing mechanism, comprising:a crank angle sensor configured to output a crank angle signal in response to rotation of a crankshaft, the crank angle signal being set in advance to indicate at least two reference positions;
a cam sensor configured to output at least two cam signal pulses in response to rotation of an intake camshaft for opening and closing an engine valve;
an actuator configured to relatively rotate the intake camshaft with respect to the crankshaft, such that the actuator is able to change a rotational phase angle of the intake camshaft with respect to the crankshaft; and
a control unit programmed to compute, based on (a) a first cam signal pulse detected after start of cranking and (b) a first reference position of the crank signal detected after the first cam signal pulse is detected, an actual rotational phase angle of the intake camshaft at the time of detecting the first cam signal pulse, to calculate an absolute position of the variable valve timing mechanism.

US Pat. No. 10,767,551

INTAKE PORT STRUCTURE FOR INTERNAL COMBUSTION ENGINE

MAZDA MOTOR CORPORATION, ...

1. An internal combustion engine intake port structure comprising:a cylinder forming a combustion chamber;
two intake openings opening at a ceiling surface of the combustion chamber and arranged next to each other in an engine output axis direction on one side with respect to an engine output axis when the combustion chamber is viewed in a cylinder axis direction;
a first intake port connected to one of the two intake openings;
a second intake port connected to the other one of the two intake openings and arranged next to the first intake port in the engine output axis direction; and
intake valves each provided at the first intake port and the second intake port and configured to open or close the intake openings at substantially identical timing,
wherein each intake valve includes a shaft portion reciprocating up and down, and a shade portion connected to a lower end portion of the shaft portion and configured to contact the intake opening from an inner side of the combustion chamber to close the intake opening,
when the intake valves each open the corresponding intake openings, a downstream end portion of the first intake port and a downstream end portion of the second intake port extend, as viewed in a section perpendicular to the engine output axis, to direct to between a shade back of the shade portion positioned on a cylinder axis side with respect to the shaft portion and the ceiling surface facing the shade back, and
at an inner wall surface of a second intake port side portion in a case where the downstream end portion of the first intake port is, as viewed in a section perpendicular to a cylinder axis, divided into a second intake port side and an opposite second intake port side, an orientation surface for directing, in a direction toward the opposite second intake port side in the combustion chamber, a flow of gas flowing toward the combustion chamber along the inner wall surface is formed.

US Pat. No. 10,767,550

TWO-STROKE INTERNAL COMBUSTION ENGINE

EMAK S.P.A., Bagnolo in ...

1. A two-stroke internal combustion engine (100), comprising:a cylinder (135) having a pre-set central axis (B),
a piston (145) slidably coupled to the cylinder (135) and adapted to divide the interior volume of the cylinder (135) into two distinct chambers; a combustion chamber (150) and a pumping chamber (155),
an intake duct (160) communicating with the pumping chamber (155),
an exhaust duct (170) communicating with the combustion chamber (150), and
at least one scavenging duct (180) adapted to place the pumping chamber (155) in communication with the combustion chamber (150),
wherein said scavenging duct (180) comprises a first portion (185) exiting from the pumping chamber (155), which extends in a direction parallel to the central axis (B) of the cylinder (135), and a terminal portion (190) leading to the combustion chamber (150), which extends transversally with respect to the central axis (B) with configuration diverging from an inlet section (200) defined at an intersection between the terminal portion (190) and the first portion (185) up to an outlet section (205) obtained on a lateral interior surface of the cylinder (135), and
wherein the projection of the inlet section (200) of the terminal portion (190) of the scavenging duct (180) on a median plane (M) containing the axis (B) of the cylinder (135) is fully contained in the projection of the outlet section (205) on the same median plane (M), said median plane (M) being a symmetry plane of the exhaust duct (170),
wherein the cross-section of the terminal portion (190) of the scavenging duct (180), carried out according to a section plane orthogonal to the central axis (B) of the cylinder (135), is substantially trapezoidal-shaped.

US Pat. No. 10,767,549

INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. An internal combustion engine comprising:a main combustion chamber that communicates with an air intake port,
a main fuel injector for feeding fuel to the main combustion chamber,
an auxiliary chamber formed on a top surface of the main combustion chamber and communicating through communicating holes with an inside of the main combustion chamber,
an auxiliary fuel injector arranged in the auxiliary chamber, an air-fuel mixture in the main combustion chamber being burned by jet flames ejected from the communicating holes when liquid fuel injected into the auxiliary chamber is made to burn by an igniter, and
an electronic control unit configured to control an injection ratio of (i) an injection amount of the liquid fuel injected from the auxiliary fuel injector to (ii) an injection amount of the fuel injected from the main fuel injector, the injection ratio being controlled based on a wall surface lower temperature period which is a period during which a wall surface temperature of the auxiliary chamber is lower than the wall surface temperature of the auxiliary chamber at a time of completion of engine warmup, wherein
the electronic control unit is further configured to cause the injection ratio during a first time period to be lower than the injection ratio during a second time period, the first time period extending from a time at which the engine is started to a time at which the wall surface lower temperature period has elapsed, the second time period occurring after the completion of the engine warmup.

US Pat. No. 10,767,548

FAILURE DIAGNOSIS METHOD OF COOLANT TEMPERATURE SENSOR FOR VEHICLE

Hyundai Motor Company, S...

1. A failure diagnosis method of an engine outlet-side outlet coolant temperature sensor for a vehicle, the failure diagnosis method comprising:determining, by a controller, when a flow control valve is in a flow stop state that stagnates a flow of coolant by the flow control valve;
obtaining, by the controller, an engine outlet coolant model temperature determined based on operation conditions of the vehicle, when the flow control valve is in the flow stop state;
diagnosing, by the controller, the engine outlet-side outlet coolant temperature sensor to be in a failure, when the engine outlet coolant model temperature is equal to or greater than a reference temperature and when the flow stop state is maintained by the flow control valve for a predetermined time; and
releasing, by the controller, the flow stop state by operating the flow control valve so that the coolant flows through a first discharge port of the flow control valve when the engine outlet-side outlet coolant temperature is diagnosed, by the controller, as the failure of the engine outlet-side coolant temperature sensor, wherein opening of the first discharge port is adjustable by the controller,
wherein the flow control valve includes the first discharge port, a second discharge port connected to a heat exchanger and a third discharge port connected to a radiator, and an input port connected to an engine block,
wherein openings of the second and third discharge ports and the input ports are adjustable by the controller, and
wherein an engine head and the flow control valve are connected to each other and the engine outlet-side outlet coolant temperature sensor is mounted between the engine head and the flow control valve.

US Pat. No. 10,767,547

THERMOSTAT DEVICE

NIPPON THERMOSTAT CO., LT...

1. A thermostat device comprising:a thermostat device housing having a fluid inlet therein;
a cylindrical boss disposed inside the thermostat device housing and protruding vertically downward into an interior of the thermostat device housing and into a flow of fluid flowing in from the fluid inlet; and
a rectifying wall provided to a portion of an outer peripheral surface of the cylindrical boss that faces the fluid inlet,
wherein the rectifying wall is a thin plate that protrudes toward the fluid inlet and upstream into the flow of fluid, and has a leading edge along a direction of the flow of fluid formed to have a tapered shape inclined from a tip of the boss toward a base of the boss.

US Pat. No. 10,767,546

ENGINE COOLING SYSTEM AND METHOD FOR VEHICLE APPLYING TURBOCHARGER

Hyundai Motor Company, S...

1. An engine cooling system for a vehicle including a turbocharger, the engine cooling system comprising:an engine, a radiator for cooling a coolant discharged from the engine, and a water pump for supplying the coolant discharged from the radiator to the engine, wherein a portion of the coolant discharged from the engine is circulated into the turbocharger and flows into the water pump,
a thermostat mounted in a path through which the coolant discharged from the engine flows into the radiator, and configured for controlling an amount of the coolant flowing from the engine to the radiator, and
a control unit of controlling a circulation of the coolant according to a coolant temperature and an engine oil temperature,
wherein the control unit is configured to control so that the coolant cooled in the radiator is additionally circulated into the engine and the turbocharger by maximally opening the thermostat so that the coolant flows from the engine to the radiator, and to operate the water pump, when the engine is started-off while the engine operates at a high load of a predetermined after-start-up cooling entrance load, and an average fuel consumption amount consumed in the engine before a start-off of the engine is greater than a predetermined after-start-up cooling entrance average fuel consumption amount.

US Pat. No. 10,767,545

METHOD OF PRE-HEATING A INTERNAL COMBUSTION ENGINE BY OIL AND JACKET WATER COOLER

1. An internal combustion engine, comprising: first and second coolers configured to cool a water and an oil, respectively, of the internal combustion engine after a starting operation and during and/or after operation of the internal combustion engine, wherein the first cooler comprises a first heat exchanger and one or more first lines for transporting the water to and from the first heat exchanger, and the second cooler comprises a second heat exchanger and one or more second lines for transporting the oil to and from the second heat exchanger; and a coolant supply line coupled to the first and second heat exchangers, wherein the coolant supply line is external from the internal combustion engine, wherein the first and second heat exchangers are configured to exchange heat between a coolant and the water and the oil, respectively, wherein the coolant has during the operation of the internal combustion engine a lower temperature than that of the water and the oil of the internal combustion engine; wherein during and/or before the starting operation of the internal combustion engine the first and second coolers are configured to pre-heat the internal combustion engine by the first and second heat exchangers exchanging heat between the coolant and the water and the oil, respectively, wherein the coolant has before and/or during the starting operation of the internal combustion engine a higher temperature level than that of the water and the oil of the internal combustion engine.

US Pat. No. 10,767,544

VALVE BODY, ELECTRONIC CONTROL THROTTLE BODY, MOTOR-DRIVEN THROTTLE BODY, AND VALVE DEVICE

Hitachi Automotive System...

1. An electronic control throttle body comprising:a passage forming body that forms an intake air passage through which intake air flows;
a pair of bearing fixing portions that fixes a pair of bearings configured to rotatably support a throttle shaft disposed across the intake air passage;
a flow path forming body that surrounds the intake air passage and forms a flow path through which a heat-exchange medium flows; and
an accommodating portion that is provided so as to surround the bearing fixing portion of one of the pair of bearings and forms an accommodation space that is connected to a space where an electric element relating to driving of the throttle shaft is accommodated,
wherein the flow path is constituted by a first flow path closer to the one bearing fixing portion positioned on a side of the accommodation space between the pair of bearing fixing portions, and a second flow path closer to the other bearing fixing portion positioned on an opposite side of the accommodation space between the pair of bearing fixing portions, and
the second flow path is formed at a position closer to the bearing fixing portion than the first flow path, wherein
a flow path cross-sectional area of the first flow path is smaller than a flow path cross-sectional area of the second flow path.

US Pat. No. 10,767,543

REDUCED LENGTH EXHAUST SYSTEM WITH VALVE

Tenneco Automotive Operat...

1. An exhaust system for receiving exhaust gas from an engine of a vehicle, the exhaust system comprising:a first exhaust treatment component including an inlet adapted to receive exhaust gas from the engine and an outlet;
a second exhaust treatment component including an inlet adapted to receive exhaust gas from the engine and an outlet;
a first pipe having a first inlet adapted to receive exhaust gas from the outlet of the first exhaust treatment component, a first outlet, and a second outlet;
a second pipe having a second inlet adapted to receive exhaust gas from the outlet of the second exhaust treatment component, a third outlet, and a fourth outlet; and
a third exhaust component that is disposed downstream of the first and second exhaust treatment components, the third exhaust component having a third inlet that is fluidly connected to the first outlet, a fourth inlet that is fluidly connected to the third outlet, a fifth outlet, and a sixth outlet, the third exhaust component being disposed laterally between the first and second exhaust treatment components such that the first exhaust treatment component and the second exhaust treatment component are each disposed outboard of the third exhaust component.

US Pat. No. 10,767,542

EXHAUST GAS SAMPLING APPARATUS, EXHAUST GAS ANALYSIS SYSTEM, EXHAUST GAS SAMPLING METHOD, AND EXHAUST GAS SAMPLING PROGRAM

HORIBA, LTD., Kyoto (JP)...

1. An exhaust gas sampling apparatus adapted to collect, into a sampling bag, a sample of exhaust gas discharged from a vehicle having an engine or from a part of the vehicle, the exhaust gas sampling apparatus comprising:a main flow path through which the exhaust gas flows;
a sampling flow path that is connected to the main flow path to collect the sample of the exhaust gas into the sampling bag;
a flow rate changeable mechanism that is provided in the main flow path and configured to change a main flow rate defined as a gas flow rate through the main flow path; and
a control device that depending on whether the engine is in an operation state or in a stop state, controls the flow rate changeable mechanism to change the main flow rate, as well as change a sampling flow rate defined as a gas flow rate through the sampling flow path into the sampling bag, wherein when the engine is in the operation state, the control device changes the main flow rate to a first main flow rate, and when the engine is in the stop state, changes the main flow rate to a second main flow rate that is less than the first main flow rate.

US Pat. No. 10,767,541

ATTACHMENT STRUCTURE OF PARTICULATE SENSOR, PARTICULATE SENSOR, SENSOR ATTACHMENT PORTION, AND SENSOR ATTACHMENT PORTION EQUIPPED GAS FLOW PIPE

NGK SPARK PLUG CO., LTD.,...

1. An attachment structure of a particulate sensor for attaching the particulate sensor to a sensor attachment portion fixed to a gas flow pipe, the particulate sensor detecting the amount of particulates contained in a gas under measurement flowing through the gas flow pipe,wherein the particulate sensor includes a tubular sensor main body extending in an axial direction and which can be attached to and detached from the sensor attachment portion,
wherein the sensor main body has a pipe interior disposition portion which is a portion of the sensor main body located on a forward end side in the axial direction and has the shape of a tube extending in the axial direction and which is disposed in the gas flow pipe when the particulate sensor is attached to the sensor attachment portion,
wherein the pipe interior disposition portion has one or more gas introduction openings which penetrate a wall portion of the pipe interior disposition portion and through which the gas under measurement is introduced into the sensor main body,
wherein the one or more gas introduction openings are formed in the pipe interior disposition portion such that, when an outer circumferential surface of the pipe interior disposition portion is viewed in a circumferential direction, a circumferential region of the pipe interior disposition portion which includes all the one or more gas introduction openings extends halfway or less in the circumferential direction of the pipe interior disposition portion,
wherein the particulate sensor has a sensor-side positioning portion which determines the circumferential position of the sensor main body with respect to the sensor attachment portion when the particulate sensor is attached to the sensor attachment portion,
wherein the sensor attachment portion has a pipe-side positioning portion which conforms to the sensor-side positioning portion and is configured such that, when the particulate sensor is attached to the sensor attachment portion with the sensor-side positioning portion and the pipe-side positioning portion being mated with each other, the circumferential position of the sensor main body with respect to the sensor attachment portion is always set to a fixed circumferential position,
whereby, when the particulate sensor is attached to the sensor attachment portion with the sensor-side positioning portion and the pipe-side positioning portion being mated with each other, the circumferential position of each of the one or more gas introduction openings within the gas flow pipe is always set to a fixed first circumferential position,
wherein the gas flow pipe has a hole-defining portion which defines a through hole penetrating a wall portion of the gas flow pipe and to which the sensor attachment portion is attached,
wherein the sensor attachment portion has a surrounding portion which has the shape of a tube extending in the axial direction and is disposed in the gas flow pipe, the surrounding portion surrounding a circumference of the pipe interior disposition portion of the sensor main body in a state in which the particulate sensor is attached to the sensor attachment portion fixed to the gas flow pipe,
wherein, in the state in which the particulate sensor is attached to the sensor attachment portion fixed to the gas flow pipe, a surrounding forward end portion which is a part of the surrounding portion located furthest to the forward end side in the axial direction is located on the forward end side, in the axial direction, of the gas introduction opening of the pipe interior disposition portion,
wherein the sensor attachment portion having the surrounding portion is at ground potential as a result of the sensor attachment portion being fixed to the gas flow pipe maintained at ground potential, and
wherein the pipe interior disposition portion of the sensor main body is electrically insulated from the sensor attachment portion and maintained at a reference potential different from the ground potential.

US Pat. No. 10,767,540

EXHAUST GAS TREATMENT APPARATUS

1. A mobile exhaust gas treatment apparatus, comprising:an exhaust conduit having a first end adapted to be removably connected to an exhaust pipe of an internal combustion engine;
an adsorption bed comprising an adsorbent material for the adsorption of elements of engine exhaust gases, the adsorption bed being operatively connected to a second end of the exhaust conduit for receiving the engine exhaust gases;
a heat adjustment unit arranged upstream of the adsorption bed and downstream of the first end of the exhaust conduit, wherein the heat adjustment unit is configured to adjust a temperature of the engine exhaust gas to be within a temperature range selected based on the adsorbent material,anda control unit for controlling an operation of the heat adjustment unit, wherein the control unit is configured to receive an indication of the temperature of the engine exhaust gas and to operate the heat adjustment unit based on the temperature of the engine exhaust gas, the temperature of the exhaust gas to be within the temperature range selected based on the adsorbent material,wherein the exhaust gas treatment apparatus further comprises:a fan adapted to control an exhaust gas throughput of the adsorption bed, and
a temperature sensor connected to the control unit and arranged to monitor the engine exhaust gas temperature at or upstream of the heat adjustment unit, the temperature sensor adapted to detect increasing change in temperature being indicative of the start of a regeneration process and to thereby activate the fan,
wherein the adsorbent material comprises at least one of CaO, BaO, beta zeolites, and activated carbon.

US Pat. No. 10,767,539

ARRANGEMENT AND METHOD FOR TEMPERING EXHAUST GAS RECIRCULATION DEVICES, AND MOTOR VEHICLE

Ford Global Technologies,...

1. A system, comprising:a tempering circuit for flowing a tempering medium from a container to an engine cooling circuit, an EGR cooler, and an EGR valve.

US Pat. No. 10,767,538

ENERGY CONVERSION DEVICE

DENSO CORPORATION, Kariy...

1. An energy conversion device comprising:a pipe member including a working gas and a transmission path for an acoustic wave of the working gas;
a first acoustic wave generator disposed in the pipe member, the first acoustic wave generator including a thermal energy generator configured to generate a first thermal energy from electric energy supplied from an electric power source, the first acoustic wave generator converting the first thermal energy generated by the thermal energy generator to an acoustic energy to generate the acoustic wave of the working gas by a self-excited thermo acoustic vibration;
a second acoustic wave generator disposed in the pipe member, the second acoustic wave generator converting a second thermal energy supplied from a heat supply source to an acoustic energy to generate the acoustic wave of the working gas by a self-excited thermo acoustic vibration; and
an output unit disposed in the pipe member, the output unit converting an acoustic energy of the acoustic waves from the first acoustic wave generator and the second acoustic wave generator to other energy other than the acoustic energy and outputting the other energy; and a power conversion device that converts power input and output relative to the electric power source; and
a cooling medium circuit in which a liquid phase cooling medium circulates for cooling the power conversion device, the cooling medium circuit capable of discarding heat exhausted from the power conversion device to an outside of the cooling medium circuit, wherein
the first acoustic wave generator and the second acoustic wave generator are configured to emit waste heat, which is not converted into the acoustic energy while emitted from the working gas, to the cooling medium circulating through the cooling medium circuit.

US Pat. No. 10,767,537

HYDROCARBON INJECTOR DEFLECTOR ASSEMBLY FOR DIESEL EXHAUST SYSTEM

GM GLOBAL TECHNOLOGY OPER...

1. A hydrocarbon injector deflector for a diesel exhaust system, the hydrocarbon injector deflector comprising:a base plate having a first end linearly extending to a second end to define a first side and a second side, the base plate being arcuately formed such that the first side extends arcuately to the second side, the first end being disposed upstream of the exhaust system relative to the second end;
a frame connected to the second end of the base plate and extending therefrom at a first angle, the frame having an opening formed therethrough, the opening defining an outer wall having an inner side of the frame; and
a tab extending from the inner side at a second angle.

US Pat. No. 10,767,536

EFFICIENT MIXING OF GASES IN AN EXHAUST AFTERTREATMENT SYSTEM

CNH Industrial America LL...

1. An inlet for exhaust gases to a selective catalytic reduction (SCR) device having a housing for flow through of exhaust gases, said inlet comprising:a tube having a longitudinal axis and an open upstream end receiving exhaust gases and a downstream end terminating in a porous wall;
said tube having a plurality of openings spaced around the circumference of said tube adjacent to said porous wall; and,
vanes, each vane extending from a respective connecting junction on said tube inwardly at an acute angle relative to a reference plane intersecting said respective connecting junction and the longitudinal axis of said tube, wherein a longitudinal axis of each connecting junction is substantially parallel to the longitudinal axis of said tube, and wherein said vanes have a concave surface facing radially inward.

US Pat. No. 10,767,534

METHOD FOR EMPTYING A REDUCING AGENT DELIVERY SYSTEM BELONGING TO AN SCR CATALYTIC CONVERTER

Robert Bosch GmbH, Stutt...

1. A method for emptying a reducing agent delivery system (1) of an SCR catalytic converter which has a delivery line (41) and a return line (43), which each connect a reducing agent tank (30) to a delivery module (10), and a pressure line (42) which connects the delivery module (10) to a metering valve (22), comprising the following steps:closing (50) the metering valve (22);
changing over the delivery module (10) from delivery operation to return operation by changing over (51) a changeover valve (12) from a first position to a second position;
returning (52) a reducing agent solution from the return line (43) through the delivery module (10) and the delivery line (41) into the reducing agent tank (30);
opening (53) the metering valve (22);
returning (54) a reducing agent solution from the metering valve (22) and the pressure line (42) through the delivery line (41) into the reducing agent tank (30);
closing (55) the metering valve;
emptying (56) the return line and the delivery module via the delivery line (41) into the reducing agent tank (30); and
carrying out pressure equalization (57) via the return line (43) from the reducing agent tank (30).

US Pat. No. 10,767,533

REAGENT INJECTOR

Tenneco Automotive Operat...

1. An injector for injecting a reagent, the injector comprising:an injector body having an upper portion and a lower portion disposed along a longitudinal axis of the injector body, the upper portion defining a top surface of the injector body;
an injector core received at least partially within the injector body through the upper portion, the injector core comprising an interfacing surface disposed adjacent to the top surface of the injector body and raised with respect to the top surface; and
a cover member disposed on the upper portion of the injector body, the cover member comprising:
a top wall defining an aperture for receiving the injector core therethrough, the top wall disposed proximal to the top surface of the injector body;
a side wall extending from the top wall; and
a lip disposed at an end of the side wall, the lip adapted to be attached to a circumferential wall of the injector body through a snap-fit connection, wherein, upon attachment of the lip to the circumferential wall of the injector body, the top wall of the cover member presses on the interfacing surface of the injector core to restrict an axial movement of the injector core relative to the injector body along the longitudinal axis.

US Pat. No. 10,767,532

EXHAUST GAS TREATMENT SYSTEM AND METHOD HAVING IMPROVED LOW TEMPERATURE PERFORMANCE

15. A method of treating exhaust gas from an internal combustion engine, the method comprising:storing diesel exhaust fluid (DEF) in a reservoir;
transferring a quantity of the stored DEF to a reaction chamber;
heating the reaction chamber to an elevated temperature to convert at least a portion of the DEF to ammonium carbamate;
storing the ammonium carbamate in the reaction chamber; and
actuating a valve to select one of the stored ammonium carbamate and the stored DEF for injection into the exhaust gas.

US Pat. No. 10,767,531

OPERATING LIQUID TANK WITH PUMP ASSEMBLY OF MULTI-PART CONSTRUCTION

1. An operating liquid tank for a motor vehicle, comprising a tank wall enclosing a tank volume that is fillable with an associated operating liquid, a filling arrangement designed for introducing the associated operating liquid into the tank volume, and a removal arrangement designed for the removal of the associated operating liquid from the tank volume, wherein the removal arrangement comprises a pump assembly with a pump and a pump drive, the pump assembly comprises at least two assembly components that are formed separately from one another and are coupled magnetically to one another by a magnetic coupling, the at least two assembly components including a first assembly component as a drive component that comprises at least one part of the pump drive and a second assembly component as a conveying component that comprises a conveying part of the pump that is drivable by the pump drive relative to a conveying component housing for movement, wherein the tank wall extends between the drive component and the conveying component and physically separates the conveying component located on an inner face of the tank wall from the drive component located on an outer face of the tank wall, wherein the drive component comprises at least one stator of an electric motor, wherein the conveying component comprises a rotor of the electric motor, and wherein the magnetic coupling between the drive component and the conveying component is implemented by the magnetic field existing between the stator and the rotor during operation of the electric motor.

US Pat. No. 10,767,530

HEAT SINK FOR AN INJECTION/METERING VALVE

Robert Bosch GmbH, Stutt...

1. A heat sink (2) for an injection/metering valve (4) comprisinga coolant chamber (8), which is configured to receive a fluid coolant, and
a baffle (12) arranged in the coolant chamber (8);
wherein the coolant chamber (8) has at least one inlet (14) for feeding in the coolant and at least one outlet (16) for discharging the coolant; and
wherein the at least one inlet (14) and/or the at least one outlet (16) has a pipe segment (20, 22), a coolant-chamber end of which extends into the coolant chamber (8);
characterized in that the coolant-chamber end of the pipe segment (20, 22) is beveled, and therefore the coolant-chamber end of the pipe segment (20, 22) is in contact at at least one point along a circumference of the coolant-chamber end with the baffle, and the coolant-chamber end of the pipe segment (20, 22) is spaced apart at another point along the circumference from the baffle (12).

US Pat. No. 10,767,529

AUTOMOTIVE EXHAUST AFTERTREATMENT SYSTEM HAVING ONBOARD AMMONIA REACTOR WITH HEATED DOSER

Faurecia Emissions Contro...

1. An exhaust gas aftertreatment system for dosing reducing agent into an exhaust stream, the system comprisinga diesel emission fluid reservoir,
a reactor for generating an ammonia solution from diesel emission fluid in the diesel emission fluid reservoir,
a doser configured to discharge controlled amounts of the ammonia solution into an exhaust stream moving through the exhaust gas aftertreatment system,
a heating system configured to manage temperatures within the doser, the heating system including a passive doser heat exchanger configured to withdraw heat from exhaust gasses passing through the exhaust aftertreatment system and heat passageways through the doser, an active doser heating element configured to produce heat from electrical energy supplied to the heating system and heat passageways through the doser, and a heating system controller configured to selectively apply heat from the active doser heating element to manage the temperature of the ammonia solution moving in passageways through the doser,
a sensor configured to detect a parameter associated with the amount of NOx carried in an exhaust stream entering the exhaust aftertreatment system,
a doser controller configured to inject the ammonia solution at a predetermined reaction flow rate into the exhaust stream based at least in part on the amount of NOx detected,
an ammonium carbamate reservoir configured to store aqueous ammonium carbamate generated by the ammonium carbamate reactor, and
a reservoir level sensor configured to detect an amount of aqueous ammonium carbamate solution in the ammonium carbamate reservoir,
wherein the doser controller is configured to inject aqueous ammonium carbamate solution at a relief flow rate into the exhaust stream greater than the predetermined reaction flow rate when the amount of aqueous ammonium carbamate solution in the ammonium carbamate reservoir is greater than a predetermined amount.

US Pat. No. 10,767,528

THREE-ZONE DIESEL OXIDATION CATLAYST

1. A diesel oxidation catalyst, comprisinga carrier body having a length L extending between a first end face a and a second end face b, and catalytically active material zones A, B and C arranged on the carrier body, wherein
material zone A contains palladium or platinum and palladium in a weight ratio Pt:Pd of ?1 and an alkaline earth metal and extends from end face a to 20 to 80% of length L,
material zone B contains cerium oxide and is free of platinum and extends from end face b to 20 to 80% of length L, and
material zone C contains platinum or platinum and palladium in a weight ratio Pt:Pd of ?5, and
neither material zone A nor material zone C are arranged above material zone B.

US Pat. No. 10,767,527

EXHAUST SYSTEM FOR A COMBUSTION ENGINE

1. An exhaust system for a combustion engine, the exhaust system comprising:an exhaust gas-purifying device having an inlet side arranged to receive exhaust gas from the combustion engine, said exhaust gas-purifying device having an outlet side arranged to discharge the exhaust gas from said exhaust gas-purifying device, said exhaust gas-purifying device having a passage to guide the exhaust gas from said inlet side to said outlet side, a surface of said passage having a material to purify the exhaust gas;
an injection area connected to said outlet side of said exhaust gas-purifying device and receiving the exhaust gas from said exhaust gas-purifying device;
a reducing agent feed mounted in said injection area and configured to introduce reducing agent into said injection area in a feed direction and with a feed range, said feed direction being opposite to a direction of the exhaust gas through said injection area, said material of said exhaust gas-purifying device being arranged in said feed direction and said feed range;
a deflecting device arranged between the exhaust gas-purifying device and said reducing agent feed, said deflecting device being arranged to block the reducing agent from contacting said material of said exhaust gas-purifying device.

US Pat. No. 10,767,526

GASOLINE PARTICLE FILTER TEMPERATURE CONTROL

Ford Global Technologies,...

1. A system, comprising:an engine including a plurality of cylinders, each cylinder including at least one intake valve and at least one exhaust valve;
a throttle valve controlling flow of intake air to the engine;
a particulate filter coupled to the engine via an exhaust passage; and
a controller having computer readable instructions stored on non-transitory memory for:
initiating a deceleration fuel shut-off (DFSO) event during a vehicle deceleration event by deactivating a fuel supply to the plurality of cylinders of the engine;
closing the throttle valve responsive to initiating the DFSO event; and
when an intake manifold pressure of the engine drops below a threshold pressure, adjusting intake and/or exhaust valve timing based on a temperature of the particulate filter.

US Pat. No. 10,767,525

PLUGGED HONEYCOMB STRUCTURE, AND MANUFACTURING METHOD OF PLUGGED HONEYCOMB STRUCTURE

NGK Insulators, Ltd., Na...

1. A plugged honeycomb structure having a plurality of cells defined by partition walls to become through channels for a fluid, one end of each of a plurality of predetermined cells of the plurality of cells being plugged by a plugging member, the other end of each of a plurality of residual cells of the plurality of cells being plugged by the plugging member,wherein the partition walls are made of a cordierite component as a main component, and the plugging member is made of a ceramic,
a depth of the plugging member is 2 mm or more and 11 mm or less,
a porosity of a plugging structure portion is 80% or less, wherein the plugging structure portion is formed by the partition walls and the plugging member,
a porosity of a cell structure portion is in a range of 42% to 70%, wherein the cell structure portion is formed by the partition walls, and
a value obtained by dividing a Young's modulus of the plugging structure portion by a Young's modulus of the cell structure portion is in a range of 1.05 to 2.00.

US Pat. No. 10,767,524

CYLINDER HEAD COVER STRUCTURE FOR ENGINE

Mazda Motor Corporation, ...

1. A cylinder head cover structure for an engine, the structure comprising:a cylinder head cover covering a top of a cylinder head of the engine, and defining a cam housing between the cylinder head and the cylinder head cover;
an oil separator provided to an interior of the cylinder head cover, and including an oil separating chamber separately defined from the cam housing, the oil separating chamber separating and removing oil mist contained in blow-by gas; and
a positive crankcase ventilation (PCV) valve releasing the blow-by gas, from which the oil mist is separated and removed in the oil separating chamber, from the oil separating chamber to an intake system of the engine via a blow-by gas passage, wherein
the PCV valve is located between a portion of a defining wall and an exterior wall of the cylinder head cover, and supported by the defining wall and the exterior wall, the defining wall separating the oil separating chamber from the cam housing, and the exterior wall being spaced apart from the portion of the defining wall,
the PCV valve is surrounded by a space communicating with the cam housing, the space isolated from the oil separating chamber and the blow-by gas passage.

US Pat. No. 10,767,523

AUXILIARY DRIVE SYSTEM FOR A PUMP

Concentric Birmingham Lim...

1. A vehicle engine oil pump assembly comprising:a pump subassembly having an inlet and an outlet;
an electrical drive arranged to selectively drive the pump subassembly;
a mechanical drive comprising a driven member configured to receive a drive torque from the vehicle engine;
a clutch in a load path between the driven member and the pump subassembly, the clutch being movable between a first condition in which the driven member drives the pump subassembly and a second condition in which the driven member can rotate freely relative to the pump subassembly;
wherein a lubrication flow path is provided such that at least one of the electrical drive and mechanical drive is at least partially lubricated by fluid from the outlet in use.

US Pat. No. 10,767,522

LOST MOTION EXHAUST ROCKER ENGINE BRAKE SYSTEM WITH ACTUATION SOLENOID VALVE AND METHOD OF OPERATION

Pacbrake Company, Blaine...

1. A compression-release engine brake system for effectuating a compression-release engine braking operation in connection with an internal combustion engine comprising an engine cylinder, at least one intake valve, at least one exhaust valve and at least one exhaust valve spring exerting a closing force on the at least one exhaust valve to urge the at least one exhaust valve into a closed position, the engine cylinder being associated with a four stroke piston cycle comprising an intake stroke, a compression stroke, an expansion stroke and an exhaust stroke, the compression-release system comprising a lost motion exhaust rocker assembly comprising:an exhaust rocker arm;
an actuation device including an actuation piston slidably disposed in an actuation bore formed in the exhaust rocker arm and movable between retracted and extended positions, the actuation device configured to be operatively associated with the at least one exhaust valve to permit unseating thereof from the closed position;
a reset device including a reset check valve and a slider assembly operatively connected to the reset check valve; and
a hydraulic fluid circuit within the exhaust rocker arm;
the actuation bore defining an actuation cavity delimited by the actuation piston within the actuation bore above the actuation piston,
the reset check valve disposed in a reset bore formed in the exhaust rocker arm, the reset bore being in fluid communication with the actuation cavity through at least one connecting conduit of the hydraulic fluid circuit, the reset check valve operable between an open position and a closed position and biased toward the closed position thereof so that a hydraulic fluid is locked in the actuation cavity when the reset check valve is in the closed position thereof, and flows bi-directionally through the reset check valve when the reset check valve is in the open position;
the slider assembly includes a slider-piston slidably disposed in the reset bore of the exhaust rocker arm, the slider-piston movable relative to the exhaust rocker arm between an extended position and a retracted position, the slider-piston biased toward the extended position, the slider assembly operatively associated with the reset check valve so that in the extended position the reset check valve is free to move toward the closed position, and in the retracted position the reset check valve is movable to the open position thereof by the slider-piston.

US Pat. No. 10,767,521

OVERHEAD SLIDING ROTARY VALVE ASSEMBLY AND METHOD OF USE

1. A cylinder head assembly for an internal combustion engine comprising:a. at least one intake camshaft and at least one exhaust camshaft wherein each said camshaft is cylindrical and has a center axis, a length, a width, a height, an outer surface, a proximal end adjacent to a rifled shaft actuator, and a distal end opposite said proximal end;
b. a cylinder head having at least one intake port and at least one exhaust port, wherein said cylinder head houses at least one combustion chamber intake port and at least one combustion chamber exhaust port, wherein said at least one combustion chamber intake port and said at least one combustion chamber exhaust port are in communication with a combustion chamber;
c. a cylindrical intake camshaft sleeve formed from the union of an cylinder head intake camshaft receiving apse and an aspiration head intake camshaft receiving apse, wherein said intake camshaft sleeve is in communication with said at least one cylinder head intake port and said at least one combustion chamber intake port and said cylindrical intake camshaft sleeve is configured to receive said intake camshaft;
d. a cylindrical exhaust camshaft sleeve formed from the union of an cylinder head exhaust camshaft receiving apse and an aspiration head intake camshaft receiving apse, wherein said exhaust camshaft sleeve is in communication with said at least one cylinder head exhaust port and said at least one combustion chamber exhaust port and said cylindrical exhaust camshaft sleeve is configured to receive said exhaust camshaft;
e. a plurality of intake camshaft aspiration ports extending through said at least one intake camshaft, wherein said intake camshaft aspiration ports are arranged linearly in sets of different sizes so as to create an intake channel to permit the flow of fuel and air to said at least one combustion chamber through said intake camshaft and said cylinder head during an intake stroke of said piston;
f. a plurality of exhaust camshaft aspiration ports extending through said at least one exhaust camshaft, wherein said exhaust camshaft aspiration ports are arranged linearly in sets of different sizes so as to create an exhaust channel to permit the flow of combustion byproducts from said at least one combustion chamber through said exhaust camshaft and said cylinder head during an exhaust stroke of said piston; and
g. an intake rifled shaft actuator for said intake camshaft and an exhaust rifled shaft actuator for said exhaust camshaft, each said rifled shaft actuator having a rotating camshaft drive and a camshaft shifter, wherein said camshaft drive is in communication with said proximal end of a respective said camshaft and arranged to rotate said camshaft about said center axis when said camshaft drive is actuated and which moves said camshaft linearly through said camshaft sleeve when said camshaft shifter is actuated.

US Pat. No. 10,767,520

VALVE SEAT INSERT FOR LONG LIFE NATURAL GAS LEAN BURN ENGINES

Caterpillar Inc., Peoria...

1. An engine head assembly for an internal combustion engine comprising:an engine head having a fluid conduit formed therein;
a valve;
a valve seat insert positioned at least partially within the engine head and defining a valve seat center axis extending between a first axial end surface structured to face a cylinder in the internal combustion engine, and a second axial end surface;
the valve seat insert further having an inner peripheral surface forming a throat, an outer peripheral surface, and a valve seating surface;
the valve seating surface including, in profile, an outer curved segment forming a first wear crown for contacting the valve at an early wear state, an inner curved segment forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the outer curved segment and the inner curved segment;
the inner peripheral surface including, in profile, an upper curved segment forming a top flow crown, and a sloping segment extending between the upper curved segment and the inner curved segment; and
the upper curved segment transitioning with the second axial end surface and the top flow crown being set off radially inward from the engine head, and the sloping segment being oriented at an acute angle relative to the valve seat center axis, such that the inner peripheral surface either forms a venturi to accelerate an incoming flow of gases to the cylinder or a diffuser to decelerate an outgoing flow of gases from the cylinder.

US Pat. No. 10,767,519

VALVE STEM SEAL AND HERMETIC SEALING STRUCTURE

NOK CORPORATION, Tokyo (...

1. A valve stem seal for hermetically sealing a space formed between a valve stem of a valve which establishes and interrupts communication between a cylinder and a port and a valve guide into which the valve stem is inserted in a reciprocally movable manner, comprising:a reinforcing ring formed into an annular shape centered about an axis, and extending in a radial direction that is perpendicular to the axis; and
an elastic body portion formed into an annular shape centered about the axis, directly attached to the reinforcing ring, and including a seal lip which abuts on the valve stem,
wherein an entirety of the reinforcing ring is flat and a main surface of the reinforcing ring has one flat surface, and
wherein the reinforcing ring includes a portion to be pressed which is disposed between an inner wall of a cylinder head and a valve spring, and is pressed by the valve spring.

US Pat. No. 10,767,518

VARIABLE CAMSHAFT TIMING MECHANISM WITH A LOCK PIN ENGAGED BY OIL PRESSURE

BorgWarner Inc., Auburn ...

1. A variable cam timing mechanism for an internal combustion engine, the variable cam timing mechanism having a housing assembly with an outer circumference for accepting drive force and a rotor assembly for connection to a camshaft, having a plurality of vanes coaxially located within the housing assembly, wherein the housing assembly and the rotor assembly define at least one chamber separated by a vane of the plurality of vanes into an advance chamber with an advance wall and a retard chamber with a retard wall opposite the advance wall, a motion of the vane within the at least one chamber acting to shift a relative angular position of the housing assembly and the rotor assembly by fluid from a control valve and by cam torque, the variable cam timing mechanism comprising:an end lock pin slidably located in one of the rotor assembly or the housing assembly, the end lock pin being movable from an unlocked position in which an end portion of the end lock pin does not engage a recess in the other of the rotor assembly or the housing assembly, to a locked position in which the end portion of the end lock pin engages the recess, locking the relative angular position of the housing assembly and the rotor assembly, wherein the end lock pin is biased by a spring toward the unlocked position; and the locked position of the end lock pin is at an end position when the vane is in an advance end stop position;
the control valve being movable into:
a retard mode in which fluid is routed to the retard chamber and fluid is not routed to the end lock pin, such that the end lock pin is moved to the unlocked position by the spring;
an advance mode in which fluid is routed to the advance chamber, and exhausted from the retard chamber; and
an end stop lock mode in which fluid is routed to the advance chamber and the end lock pin is in the locked position.

US Pat. No. 10,767,517

VARIABLE VALVE DRIVE OF A COMBUSTION PISTON ENGINE

1. A variable valve train of a reciprocating internal combustion engine, the variable valve train comprising:a switchable cam follower including:
a primary lever configured to be supported by a supporting element at a first end of the primary lever and by a valve stem of a gas exchange valve at a second end of the primary lever, the primary lever configured to be in following contact with at least one primary cam between the first end and the second end, and
a secondary lever configured to be in following contact with at least one secondary cam, the second lever pivotally coupled to the primary lever via a coupling pin,
wherein the coupling pin is axially movably guided in a transverse bore of the primary lever via a switching pin, the switching pin is axially movably mounted in a transverse bore of the secondary lever, the coupling pin configured to be displaced into an opposing coupling bore of the secondary lever in opposition to a restoring force of a first spring element, and
wherein an outer axial end of the switching pin projects out of the secondary lever so as to connect to a leaf spring coupled to a switching rod, the switching rod arranged above the switchable cam follower and configured to extend parallel to a camshaft, the switching rod configured to be longitudinally displaced in opposition to a restoring force of a second spring element from a rest position to a switching position via an actuator.

US Pat. No. 10,767,516

SYNCHRONOUS DRIVE APPARATUS WITH ADJUSTABLE NON-CIRCULAR DRIVE ELEMENTS

Litens Automotive Partner...

16. A method of operating a synchronous endless drive arrangement for an internal combustion engine having a crankshaft and a camshaft with a variable valve timing (VVT) arrangement, wherein a fluctuating load torque is applied by at least one combustion valve on the camshaft, the method comprising:(a) operating the engine;
(b) applying a fluctuating corrective torque on the camshaft to substantially counteract the fluctuating load torque, whilst the engine operates with the VVT in a nominal timing position;
(c) varying the timing between the camshaft and the crankshaft, thereby varying a phase angle of the fluctuating load torque relative to the crankshaft, whilst the engine operates; and
(d) in conjunction with (c), varying a phase angle of the fluctuating corrective torque relative to the crankshaft to maintain substantial counteraction of the fluctuating load torque.

US Pat. No. 10,767,515

METHOD FOR LIQUID AIR AND GAS ENERGY STORAGE

1. A method for a liquid air and gas energy storage (LAGES) comprising in combination: delivering a liquefied natural gas (LNG) from a tank of a LNG Storage and Re-gasification (LNGSR) terminal into a co-located Liquid Air Energy Storage (LAES) facility for continuous re-gasifying the LNG at said LAES facility and final injecting a produced high-pressure natural gas (NG) into a transmission pipeline;interchanging a waste thermal energy between the LNG being re-gasified and a process air being continuously liquefied at the LAES facility;
round-the-clock charging said LAES facility through consuming a grid power for continuous production of a liquid air with storing said liquid air only at the periods of a low demand for the grid power;
discharging the LAES facility, resulting in generating the grid power at the periods of a high demand for said grid power through consuming the liquid air both produced at said periods and stored at the LAES facility at the periods of the low demand for the grid power; and
wherein the improvements comprise in combination:
delivering the LNG from the LNGSR terminal at a low pressure and a first low temperature during discharging the LAES facility;
deep cooling a delivered LNG down to a second low temperature through recovering a minor part of a cold thermal energy of the liquid air consumed during discharging the LAES facility;
controlled dividing a deeply cooled LNG into two parts, a first of which is immediately pumped at a high pressure and re-gasified at the LAES facility thus, forming the high-pressure NG produced during discharging said LAES facility;
re-liquefying a portion of the high-pressure NG through recovering a major part of the cold thermal energy of the liquid air consumed during discharging the LAES facility;
depressurizing and recycling at least a part of a re-liquefied NO into the tank of the LNGSR terminal;
storing a second part of the deeply cooled LNG at said low pressure and said second low temperature at the periods of the high demand for the grid power; and
pumping the second part of the deeply cooled LNG at said high pressure and re-gasifying it at the LAES facility thus, forming the high-pressure NG produced at the periods of the low demand for the grid power.

US Pat. No. 10,767,514

WASTE-HEAT UTILIZATION ASSEMBLY OF AN INTERNAL COMBUSTION ENGINE, AND METHOD FOR OPERATING THE WASTE-HEAT UTILIZATION ASSEMBLY

Robert Bosch GmbH, Stutt...

12. A method for operating a waste-heat utilization assembly of an internal combustion engine, the waste-heat utilization assembly having:a working circuit conducting a working medium;
wherein the working medium flows in a direction through a feed pump, an evaporator, an expansion machine and a condenser that are arranged in the working circuit;
wherein the evaporator is also arranged in an exhaust gas tract of the internal combustion engine;
wherein an exhaust gas bypass channel is arranged in the exhaust gas tract parallel to the evaporator;
wherein an exhaust gas bypass valve distributes the exhaust gas mass flow to the evaporator and to the exhaust gas bypass channel;
wherein the waste-heat utilization assembly also comprises a cooling device to conduct a coolant;
wherein the condenser and a temperature sensor are arranged in the cooling device, the temperature sensor measuring an actual temperature,the method comprising:controlling the exhaust gas bypass valve with a control unit to have the actual temperature be less than or equal to a predetermined maximum temperature.

US Pat. No. 10,767,513

THERMAL ELECTRIC POWER GENERATOR

PANASONIC INTELLECTUAL PR...

1. A thermal electric power generator comprising:an evaporator that includes a heat exchanger that allows heat exchange between a heat medium supplied from a heat source and an organic working fluid;
an expander that extracts power from the organic working fluid heated at the evaporator;
an electric power generator that converts the power extracted by the expander to electric power;
a condenser that cools the organic working fluid having a reduced pressure reduced in the expander; and
a pump that takes in the organic working fluid cooled by the condenser and ejects the organic working fluid to the evaporator;
a bypass channel that allows the heat medium to bypass the heat exchanger;
a first damper that is disposed upstream of the heat exchanger in a flow direction of the heat medium; and
a controller including a processor and a memory storing a program,
wherein the program, when executed by the processor, causes the controller to perform:
obtaining, by a sensor, an information indicating at least one selected from the group consisting of a pressure of the organic working fluid, a temperature of the organic working fluid and an amount of electric power generated by the electric generator;
supplying a part of the heat medium to the heat exchanger so that the temperature of the organic working fluid in the heat exchanger remains lower than a thermal decomposition temperature of the organic working fluid based on the information; and
supplying a remaining heat medium to the bypass channel.

US Pat. No. 10,767,512

PARTICLE-TRAPPING DEVICE FOR A TURBOMACHINE AND TURBOMACHINE WITH SUCH A DEVICE

SAFRAN HELICOPTER ENGINES...

1. A turbomachine comprising a combustion chamber and a bypass area provided between a wall of said combustion chamber and an outer casing of said turbomachine, wherein the turbomachine is equipped with a particle-trapping device disposed inside said bypass area, said particle-trapping device comprising:at least two particle deflectors for deflecting grains of sand or dust particles, contained in an air flow circulating inside the bypass area of the combustion chamber of said turbomachine,
at least one support frame,
an element for collecting and storing particles deflected by the at least two particle deflectors,
means for attaching said trapping device on a portion of the turbomachine,
said particle deflectors having an annular shape and being attached to the at least one support frame so as to be coaxial, to be radially aligned and to be spaced radially from one another or from each other, said deflectors being inclined in the same direction with respect to their axes of revolution (X-X?) so as to be turned toward said element for collecting and storing particles.

US Pat. No. 10,767,511

ANTI-CAVITATION DEVICE FOR OIL DAMPERS

1. An oil damper for supporting a shaft rotating about an axis, the oil damper comprising:an oil filled annulus radially defined between a structural support and a bearing housing;
a pair of sealing rings between the structural support and the bearing housing, the sealing rings defining axial boundaries of the oil filled annulus, the oil contained in the oil filled annulus by the pair of sealing rings;
an oil inlet between the pair of sealing rings, the oil inlet being in communication with a source of pressurized oil; and
an oil seal axially spaced from each sealing ring defining an annular oil reservoir external to each sealing ring, the oil seal configured to act as a one-way check valve to impede intrusion of ambient gas into the annular oil reservoir while allowing extrusion from the annular oil reservoir in a direction away from the sealing rings.

US Pat. No. 10,767,510

CARBON FACE SEAL SEAT THIN WALL DESIGN

United Technologies Corpo...

1. A seal seat for a gas turbine engine, the seal seat comprising:an annular body disposed about a centerline axis, the annular body extending from an upstream end of the annular body to a downstream end of the annular body; and
an extension connected to and extending radially outward from a first axial end of the annular body, wherein the extension comprises:
a first portion connected at an inner radial extent to the annular body and defined by an upstream wall face and a downstream wall face axially opposite the upstream wall face, wherein the first portion comprises a fin at the upstream wall face and extending axially away and upstream from the downstream wall face;
a second portion connected to an outer radial extent of the first portion, wherein the second portion extends substantially parallel to the annular body, and axially forward from the first portion; and
a third portion connected to the second portion at an end of the second portion that distal from the first portion, wherein the third portion extends substantially parallel to the first portion.

US Pat. No. 10,767,509

TRIP STRIP AND FILM COOLING HOLE FOR GAS TURBINE ENGINE COMPONENT

RAYTHEON TECHNOLOGIES COR...

1. A component for a gas turbine engine, comprising:an external surface bounding a hot gas path of the gas turbine engine;
a cooling passage configured to deliver a cooling airflow therethrough, including:
an internal surface located opposite the external surface, the internal surface and the external surface together defining a component wall; and
a plurality of trip strip features located along the internal surface, each trip strip feature having a trip strip height extending from the internal surface and a trip strip width extending along the internal surface in a flow direction of the cooling airflow through the cooling passage, a ratio of a trip strip pitch between adjacent trip strip features in a width direction and the trip strip height is less than 5; and
one or more cooling film bleed holes extending from the internal surface to the external surface, the one or more cooling film bleed holes disposed between adjacent trip strip features of the plurality of trip strip features;
wherein relative to the flow direction, the one or more cooling film bleed holes are located closer to an upstream adjacent trip strip feature that to a downstream adjacent trip strip feature.

US Pat. No. 10,767,508

GAS EXPANDER

MITSUBISHI HEAVY INDUSTRI...

1. A gas expander comprising:a casing where a swirl chamber is formed, wherein a gas to be expanded passes through the swirl chamber;
a turbine wheel that is housed in the casing and rotationally driven by the gas, wherein the gas that rotationally drives the turbine wheel has passed through the swirl chamber and expanded;
a diffuser that:
is mounted to the casing in a direction of a rotating shaft of the turbine wheel, and
includes a flow path where the gas, having passed through the turbine wheel, flows in the direction of the rotating shaft,
a swirl stopper that:
is disposed in the diffuser,
faces a downstream front end surface of a boss of the turbine wheel that faces the flow path, and
includes a closed swirl stopping surface that is disposed to face the downstream front end surface of the boss with a gap between the closed swirl stopping surface and the downstream front end surface; and
a swirl preventing plate that circumferentially partitions the flow path,
wherein L31?D10?0.75 is satisfied, where D10 is a diameter of an inlet of the flow path and L31 is a distance from the inlet to an end on the upstream side of the swirl preventing plate.

US Pat. No. 10,767,507

FOREIGN OBJECT DEBRIS TRENDING CONCEPT AND DESIGN

Raytheon Technologies Cor...

1. A method for foreign object debris (FOD) detection in a gas turbine engine comprising:receiving, by a controller, a first feature data from a database, wherein the first feature data comprises a first feature, the first feature data measured by a first gas turbine engine sensor;
receiving, by the controller, a second feature data from the database, wherein the second feature data comprises a second feature, wherein the first feature is different from the second feature, and the second feature data is measured by the first gas turbine engine sensor;
pre-processing, by the controller, the first feature data, wherein the pre-processing further causes the controller to calculate a derived parameter using the first feature data;
generating a first anomaly detection signal, via an anomaly detector model, using the first feature data and the derived parameter, wherein the first anomaly detection signal indicates at least one anomaly based upon the first feature;
generating a second anomaly detection signal, via the anomaly detector model, using the second feature data, wherein the second anomaly detection signal indicates at least one other anomaly based upon the second feature;
sending, by the controller, the first anomaly detection signal to a FOD damage model;
sending, by the controller, the second anomaly detection signal to the FOD damage model;
determining, by the controller, that a FOD event has occurred based upon the first anomaly detection signal and the second anomaly detection signal; and
generating, by the controller, a health report (HR) indicating the likelihood that the FOD event has occurred based upon the first anomaly detection signal and the second anomaly detection signal.

US Pat. No. 10,767,506

MODEL PREDICTIVE CONTROL SUB-SYSTEM HYDRAULIC FLOW MANAGEMENT

RAYTHEON TECHNOLOGIES COR...

12. An adaptable model-based control system for controlling a plurality of effectors of gas turbine engine, the system comprising:a plurality of sensors operably connected to measure a state or parameter of each effector of the plurality of effectors, the plurality of effectors operably connected to the engine to control a plurality of engine parameters;
a pump configured to supply fluid to the plurality of effectors; and
a controller operably connected to the plurality of sensors, the plurality of effectors, and the pump, the controller configured to execute a method for an adaptive model-based control for controlling each effector, the method comprising:
receiving a request indicative of a desired state for each effector of the plurality of effectors;
receiving a weighting associated with each request, each weighting configured to manage a fluid demand of each effector of the plurality of effectors;
obtaining information about a current state and previous states of each effector of the plurality of effectors; wherein the current state includes at least one of an effector position and an effector fluid flow;
updating model data information in an adaptive model based control (MBC) based upon the obtained information, the model data information including a changed fluid flow rate of at least one given effector among the plurality of effectors based at least in part on the weighting of the given effector;
generating at least one control command for at least one effector of the plurality of effectors based upon the adaptive model based control; and
commanding the at least one effector of the plurality of effectors based upon the generated at least one control command.

US Pat. No. 10,767,505

TURBOMACHINE SHAFT

SAFRAN AIRCRAFT ENGINES, ...

1. A tubular turbine engine shaft, having at its inner periphery a trough, wherein said trough has at least one recess which is made in a surface centered on the axis of rotation of the tubular engine shaft and is for trapping oil entering in said trough.

US Pat. No. 10,767,504

FLEXIBLE DAMPER FOR TURBINE BLADES

SIEMENS AKTIENGESELLSCHAF...

13. A method for attaching dampers to a rotor assembly comprising:installing a plurality of turbine blades onto a disc comprising a plurality of elongated channels provided therein and spaced along a disc periphery,
wherein the plurality of turbine blades each comprise an airfoil, a trailing edge and a leading edge joined by a pressure side and a suction side to provide an outer surface extending in a radial direction to a tip,
wherein the plurality of turbine blades are installed in each of the elongated channels on the disc,
removably attaching the dampers, each damper comprising a plurality of segments, each segment comprising a first side, a second side generally opposite the first side, a top side, a bottom side, a length, a width, and a thickness,
wherein each segment comprises an extended portion and a cutout portion along the bottom side, wherein the extended portion of one segment of the plurality of segments overlaps the cutout portion of another segment of the plurality of segments next to the one segment.

US Pat. No. 10,767,503

STATOR ASSEMBLY WITH RETENTION CLIP FOR GAS TURBINE ENGINE

RAYTHEON TECHNOLOGIES COR...

1. A stator assembly for a gas turbine engine comprising:a first shroud extending about an axis to bound a flow path, the first shroud defining a first shroud opening;
an airfoil including an airfoil body extending from a first end portion, the first end portion received in the first shroud opening and defining a retention aperture; and
a retention clip including a body and at least one locking feature extending from the body, the body extending between opposed clip end portions and between opposed sidewalls that cooperate to establish a perimeter of the body, the at least one locking feature compressibly received through the retention aperture, and the at least one locking feature decompressible from the body to define a ramp sloping towards one of the clip end portions to limit movement of the airfoil relative to the first shroud when in the installed position; and
wherein the at least one locking feature is an elongated tab having a terminal end that abuts against an external wall of the first end portion to oppose withdraw of the retention clip from the retention aperture when located in the installed position; and
wherein the body a reference plane extending through the clip end portions and through the sidewalls of the body, wherein the at least one locking feature extends along the reference plane in a first, compressed state, but extends outwardly from the reference plane in a second, decompressed state to define the ramp, and wherein the reference plane has an arcuate profile establishing opposed concave and convex sides of the body.

US Pat. No. 10,767,502

COMPOSITE TURBINE VANE WITH THREE-DIMENSIONAL FIBER REINFORCEMENTS

Rolls-Royce Corporation, ...

1. A turbine vane made from ceramic matrix composite material and adapted for use in a gas turbine engine, the turbine vane comprisingan inner band configured to define a circumferentially extending inner flow path surface;
an outer band configured to define a circumferentially extending outer flow path surface; and
an airfoil that extends from the inner band to the outer band across a flow path defined between the inner flow path surface and the outer flow path surface,
wherein the turbine vane includes three-dimensionally woven reinforcement fibers suspended in matrix material, the three-dimensionally woven reinforcement fibers including a plurality of tows each shaped to provide at least a portion of the inner band, the outer band, and the airfoil, the plurality of tows including a first plurality of fibers arranged generally in a hoop direction from a pressure side to a suction side of the airfoil and a second plurality of fibers woven with the first plurality of fibers and arranged in at least one of a radial direction, an axial direction, and a circumferential direction, the radial direction, the axial direction, and the circumferential direction each being different than the hoop direction, and wherein the airfoil has a higher fraction of the first plurality of fibers that extend in the hoop direction compared to fibers that extend in any one of the radial direction, the axial direction, and the circumferential direction,
wherein the airfoil includes a primary airfoil portion made at least in part from the three-dimensionally woven reinforcement fibers and the three-dimensionally woven fiber reinforcements of the primary airfoil portion are shaped to provide a leading end, a trailing end, a pressure side wall, and a suction side wall spaced apart from the pressure side wall to define a cooling cavity within the primary airfoil portion between the leading end, the trailing end, the pressure side wall, and the suction side wall,
wherein the airfoil includes a trailing-edge insert coupled to the primary airfoil portion to define a trailing edge of the airfoil, and
wherein the trailing edge insert includes an interior portion that extends into the cooling cavity and an exterior portion that defines the trailing-edge of the airfoil.

US Pat. No. 10,767,501

ARTICLE, COMPONENT, AND METHOD OF MAKING A COMPONENT

GENERAL ELECTRIC COMPANY,...

1. An article comprising:a pre-sintered preform having:
a contoured proximal face; and
a contoured distal face;
wherein the contoured proximal face is arranged and disposed to mirror a contour of at least one of an end wall and an airfoil outer surface of a component, such that installation of the pre-sintered preform on the at least one of the end wall and the airfoil outer surface results in continuous, direct contact between the contoured proximal face and the contour of the component;
wherein the pre-sintered preform is formed of a mixture of a first powder material and a second powder material, the second powder material being a braze alloy; and
wherein the first powder material is the same material as the component.

US Pat. No. 10,767,500

FAN BLADE PITCH SETTING

GE AVIATION SYSTEMS, LLC,...

1. An impeller comprising:a ring disposed in a hub of the impeller, wherein the hub has a slot formed through a wall of the hub such that the slot has an open end at one edge of the wall and is configured to receive a portion of a blade through the open end, the ring including a non-circular recess shaped and positioned to impart a specified pitch angle to the blade extending outwardly from the ring through the slot of the hub, the non-circular recess being elongated in a direction different from the slot and non-parallel to a vertical axis where the vertical axis is parallel to an axis of rotation of the impeller;
wherein the blade includes a first portion and a second portion joined by a rod, the second portion engaging the recess to position the blade at the specified pitch angle.

US Pat. No. 10,767,499

ACTUATOR LOCK

MICROTECNICA S.R.L., Tur...

1. A rotor blade comprising:a locking device positioned inside the rotor blade, said locking device comprising:
a locking member that is arranged to move radially with respect to the rotor blade and to be movable from an unlocked position to a locking position upon experiencing sufficiently fast rotation of the rotor blade, said locking position being radially outward of said unlocked position;
a selectively engageable retaining device arranged when engaged to retain the locking member in the unlocked position; and
a resilient biasing device, arranged to bias the locking member in the direction of the unlocked position.

US Pat. No. 10,767,498

TURBINE DISK WITH PINNED PLATFORMS

Rolls-Royce High Temperat...

8. A blade assembly for a gas turbine engine, the blade assembly comprisinga blade comprising ceramic materials, and formed to include a first passageway extending through the blade
a platform comprising ceramic materials, the platform formed to include a blade-receiving passageway that extends through the platform, and the platform is arranged around the blade so that a portion of the blade is located in the blade-receiving passageway, and
a pin located in the platform and the blade to couple the platform with the blade,
wherein the platform includes a first side wall and a second side wall spaced apart from the first side wall, the platform is formed to include a second passageway that extends through the first side wall and the second side wall, and the pin is located in the first and second passageway, and wherein the second passageway opens into the blade-receiving passageway.

US Pat. No. 10,767,497

TURBINE VANE ASSEMBLY WITH CERAMIC MATRIX COMPOSITE COMPONENTS

Rolls-Royce Corporation, ...

1. A turbine vane assembly, the assembly comprisinga ceramic matrix composite heat shield adapted to withstand high temperatures, the ceramic matrix composite heat shield shaped to include an inner end wall, an outer end wall spaced in a radial direction from the inner end wall to define a primary gas path therebetween, and an airfoil that extends from the inner end wall to the outer end wall,
a metallic support structure that extends radially through the ceramic matrix composite heat shield, the metallic support structure including a first plate arranged radially inward or radially outward of the ceramic matrix composite heat shield and a spar that extends radially from the first plate through the ceramic matrix composite heat shield, and
interface components configured to interconnect and to allow for differing rates of thermal expansion between the ceramic matrix composite heat shield and the metallic support structure, the interface components including at least one bias spring arranged radially between the ceramic matrix composite heat shield and the first plate of the metallic support structure,
wherein the interface components include a first collar that extends part-way into a cavity though the airfoil included in the ceramic matrix composite heat shield to transfer aerodynamic loads from the airfoil to surrounding components.

US Pat. No. 10,767,496

TURBINE BLADE ASSEMBLY WITH MOUNTED PLATFORM

Rolls-Royce North America...

1. A turbine blade assembly configured to be rotated about an axis to withdraw mechanical energy from gasses interacting with the turbine blade assembly, the turbine blade assembly comprisinga primary member comprising ceramic matrix composite materials, the primary member shaped to form an airfoil and an attachment post,
an independent platform formed to include an aperture that receives the attachment post and engages a substantially radially-inwardly facing surface of the airfoil to block radially-outward motion of the independent platform relative to the primary member,
a clip that interfaces with the primary member and the independent platform to fix the independent platform to the primary member and block radially-inward motion of the independent platform relative to the primary member, and
retainer blocks that engage a radially inner-most facing surface of the independent platform to block radially-inward motion of the independent platform relative to the primary member of the turbine blade assembly.

US Pat. No. 10,767,495

TURBINE VANE ASSEMBLY WITH COOLING FEATURE

Rolls-Royce plc, London ...

13. A method of making a turbine vane assembly, the method comprisingproviding a metallic support strut, a ceramic matrix composite aerofoil formed to define an interior cavity therein, an outer wall, and an inner wall,
coating an outermost surface of the metallic support strut with a thermal barrier coating to define an insulated region of the metallic support strut,
locating the ceramic matrix composite aerofoil radially between the outer wall and the inner wall relative to an axis, and
arranging the metallic support strut in the interior cavity of the ceramic matrix composite aerofoil such that the insulated region of the metallic support strut extends radially at least between the outer wall and the inner wall and the thermal barrier coating is spaced apart from the ceramic matrix composite aerofoil at all locations in the insulated region, and
arranging a seal between the metallic support strut and the ceramic matrix composite aerofoil to block fluid from flowing into the cooling channel.

US Pat. No. 10,767,494

CMC AEROFOIL

Rolls-Royce plc, London ...

1. An aerofoil comprising:first and second tubular Ceramic Metal Composite (CMC) cores extending along a longitudinal axis of the aerofoil; and
an outer CMC layer surrounding the first and second tubular CMC cores and defining an outer shape of the aerofoil having leading and trailing edges,
wherein fibres within a wall of the second tubular CMC core extend to the trailing edge of the aerofoil.

US Pat. No. 10,767,493

TURBINE VANE ASSEMBLY WITH CERAMIC MATRIX COMPOSITE VANES

Rolls-Royce plc, London ...

1. A turbine section adapted for use in a gas turbine engine, the turbine section comprisinga case made from metallic materials and shaped to extend around a central reference axis,
a turbine wheel housed in the case, the turbine wheel including a disk mounted for rotation about the central reference axis relative to the case, a plurality of blades coupled to the disk for rotation with the disk, and a rotatable seal element coupled to the disk for rotation with the disk, and
a turbine vane assembly fixed to the case and configured to smooth and redirect air moving along a primary gas path of the turbine section ahead of interaction with the turbine wheel, the turbine vane assembly including a plurality of composite aero vanes made from ceramic matrix composite material shaped to provide inner and outer end walls defining the primary gas path as well as airfoils that extend across the primary gas path, a plurality of structural vanes made from metallic materials shaped to provide airfoils that extend across the primary gas path, and a static seal element that cooperates with the rotatable seal element of the turbine wheel to provide a seal for resisting movement of gasses across the seal when the turbine section is in use within a gas turbine engine,
wherein the static seal element is fixed to the plurality of structural vanes so as to be in turn coupled to the case while remaining free for relative movement in relation to the composite aero vanes so that the composite aero vanes are substantially free from carrying mechanical loads applied by pressure on the static seal element to the case.

US Pat. No. 10,767,492

TURBINE ENGINE AIRFOIL

General Electric Company,...

1. An airfoil for a turbine engine, comprising:an outer wall defining an exterior surface bounding an interior and defining a pressure side and a suction side extending between a leading edge and a trailing edge to define a chord-wise direction and extending between a root and a tip to define a span-wise direction;
a first passage extending along one of the leading edge, the trailing edge, or the tip;
a second passage extending along another of the leading edge, the trailing edge, or the tip;
a first cooling air supply conduit comprising a first three-dimensional plexus of fluidly interconnected cooling passages fluidly coupled to one of the first passage or the second passage; and
a second cooling air supply conduit comprising a non-furcated passage fluidly coupled to the other of the first passage or the second passage.

US Pat. No. 10,767,491

BLADE COMPRISING A TRAILING EDGE HAVING THREE DISTINCT COOLING REGIONS

SAFRAN AIRCRAFT ENGINES, ...

1. A vane of a turbomachine turbine, the vane comprising:a root carrying a blade extending along a span direction ending in an apex, the blade comprising a leading edge and a trailing edge located downstream of the leading edge, the blade comprising a pressure face wall and a suction face wall each connecting the leading edge to the trailing edge, the trailing edge including on the pressure face side, a series of through slots configured to be supplied with cooling air,
wherein the slots include:
one or more first slots which are closest to the root and which are supplied distinctly and independently by a lower cavity of the vane;
one or more last slots which are closest to the apex and which are supplied distinctly and independently by an upper cavity of the vane; and
intermediate slots located between the first slots and the last slots and which are supplied distinctly and independently by an intermediate cavity of the blade;
the lower cavity being closest to the root, the upper cavity being closest to the apex, and the intermediate cavity being arranged between the lower cavity and the upper cavity,
wherein the lower cavity, the upper cavity and the intermediate cavity are distinctly supplied with air at the root of the vane; and
wherein the vane comprises an intermediate duct for supplying the intermediate cavity with air, the intermediate duct being connected to the intermediate cavity by a series of holes to provide calibrated supply to the intermediate cavity,
the vane further comprising a central duct and a pressure face side cavity located between the central duct and the pressure face wall of the blade to form a heat screen protecting the central duct, and
the vane further comprising a suction face side cavity located between the central duct and the suction face wall of the blade to form a heat screen protecting the central duct.

US Pat. No. 10,767,490

HOT SECTION ENGINE COMPONENTS HAVING SEGMENT GAP DISCHARGE HOLES

RAYTHEON TECHNOLOGIES COR...

1. An airfoil for a gas turbine engine, the airfoil comprising:an airfoil body having an external side wall and an internal side wall and defining a first cooling cavity and a second cooling cavity between the external side wall and the internal side wall;
at least one segmented rib extending within the airfoil body and separating the first cooling cavity from the second cooling cavity, wherein the first and second cooling cavities are defined between the external side wall and the internal side wall, the at least one segmented rib comprising at least two rib segments separated by a segment gap; and
a discharge hole formed in the external side wall fluidly connecting the segment gap to an exterior surface of the airfoil body, wherein a center of the discharge hole is aligned with a radially oriented axis of the at least two rib segments that define the segment gap.

US Pat. No. 10,767,489

COMPONENT FOR A TURBINE ENGINE WITH A HOLE

General Electric Company,...

1. A component for a turbine engine comprising:a wall separating a cooling airflow from a hot airflow having a first surface facing the cooling airflow and a second surface facing the hot airflow;
at least one film hole extending through the wall defining a passage extending between an inlet located in the first surface and an outlet located in the second surface, where the passage defines an inner surface having an upstream side and a downstream side with respect to the hot airflow, with one of the inlet and outlet having a non-occluded portion located on the downstream side; and
a porous material located within the hole extending along at least a portion of the upstream side of the passage with respect to the hot airflow and at least partially defining a border of the non-occluded portion;
wherein a remaining portion of the border is defined by the downstream side of the passage that is free of porous material.

US Pat. No. 10,767,488

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 3.18-3.48 inch (80.7-88.4 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 1.17-1.47 inch (29.6-37.3 mm); and
at least two of:
a first mode has a frequency of 333 up to ±10% Hz;
a second mode has a frequency of 1554 up to ±10% Hz;
a third mode has a frequency of 2356 up to ±10% Hz;
a fourth mode has a frequency of 2830 up to ±10% Hz;
a fifth mode has a frequency of 4075 up to ±10% Hz; and
a sixth mode has a frequency of 5239 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 2EB mode, the fourth mode is a 2T mode, the fifth mode is a 3EB mode, and the sixth mode is a 3T mode, the 1EB, 2EB and 3EB modes correspond to deflections substantially parallel to thickness direction, and the 1T, 2T and 3T modes correspond to twisting about the radial direction;
wherein the airfoil element is part of a stator vane supported by potting at an inner ring;
wherein the airfoil is an aluminum-based alloy, 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. 10,767,487

AIRFOIL WITH PANEL HAVING FLOW GUIDE

RAYTHEON TECHNOLOGIES COR...

1. An airfoil comprising:a core structure having walls defining a leading end and a trailing end of an airfoil profile and an internal cavity in a central interior region of the core structure, the core structure having a pressure-side panel slot and a suction-side panel slot, each of the pressure-side panel slot and the suction-side panel slot including sloped slot edges that face inwards to the central interior region;
a pressure-side panel and a suction-side panel disposed, respectively, in the pressure-side panel slot and the suction-side panel slot, each of the pressure-side panel and the suction-side panel having sloped panel edges that face outwards from the central interior region and that bear against the sloped slot edges of the pressure-side panel slot and the suction-side panel slot, respectively, the pressure-side panel defining a pressure side of the airfoil profile and the suction-side panel defining a suction side of the airfoil profile such that the pressure-side panel, the suction-side panel, and the walls of the core structure together define a complete peripheral shape of the airfoil profile, each of the pressure-side panel and the suction-side panel having an exterior gas path side and an opposed interior side bordering the internal cavity, the interior side including a pair of rails that define a radial slot there between; and
a spring rib spanning across the internal cavity and disposed in the radial slots, the spring rib maintaining the pressure-side panel and the suction-side panel in position against the sloped slot edges.

US Pat. No. 10,767,486

MISTUNED CONCENTRIC AIRFOIL ASSEMBLY AND METHOD OF MISTUNING SAME

RAYTHEON TECHNOLOGIES COR...

1. An airfoil assembly for a gas turbine engine, comprising:an annular shroud having a radially inner face and a radially outer face opposing the radially inner face;
a radially inner array of airfoils extending from the radially inner face;
a radially outer array of airfoils extending from the radially outer face;
wherein the radially inner array of airfoils are configured to guide flow within a radially inner bypass flow passage, the radially inner bypass flow passage bypassing and being radially outward of a compressor section; and
wherein at least one, but fewer than each, airfoil of the radially inner array of airfoils is circumferentially aligned with a corresponding airfoil of the radially outer array of airfoils, the remaining airfoils in the radially inner array of airfoils are misaligned with the airfoils of the radially outer array of airfoils, and fewer than each airfoil of the radially outer array of airfoils is circumferentially aligned with a corresponding airfoil of the radially inner array of airfoils.

US Pat. No. 10,767,485

RADIAL COOLING SYSTEM FOR GAS TURBINE ENGINE COMPRESSORS

RAYTHEON TECHNOLOGIES COR...

1. A gas turbine engine, comprising:a first rotor supporting a first plurality of circumferentially spaced rotor blades and a second rotor disposed axially downstream of the first rotor and supporting a second plurality of circumferentially spaced rotor blades;
a first bore cavity between the first rotor and the second rotor;
a second bore cavity between the second rotor and an aft hub;
a fluid passageway configured to provide a cooled air to the first bore cavity and to the second bore cavity;
a first anti-vortex component positioned within the first bore cavity and configured to increase pressure of the cooled air as the cooled air traverses radially outward from the first bore cavity;
a second anti-vortex component positioned within the second bore cavity and configured to increase pressure of the cooled air as the cooled air traverses radially outward from the second bore cavity; and
an orifice through the aft hub configured to introduce an aft cooled air flow path from the second bore cavity onto a downstream rim portion of the second rotor,
wherein the downstream rim portion of the second rotor is disposed axially upstream and adjacent a plurality of exit guide vanes.

US Pat. No. 10,767,484

ROTOR DISK COMPRISING A VARIABLE THICKNESS WEB

SAFRAN AIRCRAFT ENGINES, ...

1. A disk of a rotor comprising, relative to a principal axis of the disk:an annular radial web;
a radially central hub located at an inner radial end of the web; and
a rim located at an outer radial end of the web,
the web comprising an upstream face and a downstream face, relative to the principal axis of the disk, and a plurality of orifices through which bolts are to pass for attachment of at least one annular flange forming part of another adjacent rotor disk on either the upstream face or the downstream face of the web, or on both faces,
wherein at least one of said upstream face or said downstream face of the web comprises only a single indentation of generally annular form, a bottom of the indentation is set back along an axial direction inwards into the web, relative to a remaining part of said at least one of said upstream face or said downstream face and that extends radially outwards from the hub of the disk towards the rim, and that surrounds a radially inner part of each of the orifices of the web, at a distance.

US Pat. No. 10,767,483

POWER GENERATION SYSTEM AND ELECTRICITY GENERATION SYSTEM USING THE POWER GENERATION SYSTEM

1. A power generation system for generating power by circulating operating fluid within a system of pressure-resistant closed circuit while changing state of the operating fluid and converting foreign heat energy given to the operating fluid into kinetic energy,wherein the pressure-resistant closed circuit comprising:
an evaporation chamber in which gas phase and liquid phase of the operating fluid are stored at a temperature near a boiling point and which is constituted so as to be capable of heat exchange between heating fluid supplied from outside a system of the pressure-resistant closed circuit and the liquid phase of the operating fluid;
a reciprocal heat-insulating cylinder having a piston moving by pressure difference between a forward-side expansion room and a backward-side expansion room and a rod extended from the piston, the rod outputting power;
operating fluid supply and discharge means for conducting supply channel forming operation to form a channel for supplying the operating fluid in the gas phase portion in the evaporation chamber to one of expansion rooms of the reciprocal heat-insulating cylinder and discharge channel forming operation to form a discharge channel of the operating fluid from another expansion room, further for alternately conducting the supply channel forming operation and the discharge channel forming operation against the forward-side expansion room and the backward-side expansion room;
a heat-insulating expansion chamber for liquefying the operating fluid discharged from the another expansion room by temperature decrease according to adiabatic expansion; and
a liquefied operating fluid reflux means for refluxing the operating fluid liquefied in the heat-insulating expansion chamber to the evaporation chamber.

US Pat. No. 10,767,482

RESCUE CAPSULE FOR SHELTER IN TUNNEL CONSTRUCTION

1. A rescue capsule for shelter in tunnel construction, comprising a housing which is hollow;wherein a cavity of the housing comprises an equipment compartment which is located at an upper portion of the cavity and a passenger compartment which is located at a lower portion of the cavity; an exterior of the housing is provided with an external skeleton;
the exterior of the housing is further provided with an external indicating sign and an external rescue indicator;
the housing is further provided with an explosion-proof sealing door;
an oxygen cylinder, a power supply, a maintenance box, a first air purifier and a medical box are provided in the equipment compartment; areas where the maintenance box and the medical box of the equipment compartment are provided communicate with the passenger compartment; and
a light, a second air purifier, a gas sensor, a communication device and a survival support device are provided in the passenger compartment; the light, the first air purifier, the second air purifier, the gas sensor and the communication device are respectively connected to the power supply; the oxygen cylinder and the gas sensor are respectively connected to the second air purifier.

US Pat. No. 10,767,481

SELF-ADVANCING ROOF SUPPORT FOR A LONGWALL MINING SYSTEM

Caterpillar Global Mining...

1. A control system for autonomously controlling movement of a roof support associated with a longwall mining system, the roof support having a base, at least one hydraulic actuator having a first end pivotally coupled to the base, and a canopy portion connected to a second end of the hydraulic actuator and pivotally coupled to the base by an intermediate pivoting link member, the canopy portion being disposed above the base along a vertical direction, the control system comprising:at least one load sensor disposed on the canopy portion, the at least one load sensor being configured to generate a signal indicative of an amount of load borne by the canopy portion in abutment with a roof of an underground mine site; and
a controller communicably coupled to the at least one load sensor and the at least one hydraulic actuator, the controller being configured to:
detect a cavity defined by a surface of the roof based on the signal indicative of the amount of load borne by the canopy portion, the surface of the roof defining the cavity being disposed adjacent to the canopy portion along a horizontal direction, the surface of the roof defining the cavity being disposed at an elevation that is higher than the canopy portion along the vertical direction, the horizontal direction being transverse to the vertical direction, and
in response to the detection of the cavity, actuate movement of the at least one hydraulic actuator to displace the canopy portion relative to the base and toward the cavity along the horizontal direction and into a new position directly underlying the surface of the roof defining the cavity.

US Pat. No. 10,767,480

EXTENSIBLE REAMING SELF-ANCHORING ANCHOR ROD AND SUPPORTING METHOD THEREOF

CHINA UNIVERSITY OF MININ...

1. A method for installing an extensible reaming self-anchoring anchor rod in a coal mass, wherein said extensible reaming self-anchoring anchor rod, comprises a simple drill bit, an anchor rod body, and a pre-tightening device;wherein the anchor rod body comprises a plurality of hexagonal drilling rod sections, a plurality of connecting sleeves having hexagonal connecting sections, and an extension rod section;
wherein the plurality of hexagonal drilling rod sections are connected with each other via the plurality of hexagonal connecting sleeves, and are connected at their tail end with the extension rod section via a connecting sleeve;
wherein each of the drilling rod sections has a first outer diameter and an axial through-hole inside of the drilling rod section, a helical structure having a second outer diameter greater than the first outer diameter outside of the drilling rod section, top threads outside of the rod section head end, a hexagonal connecting portion at a tail end or the drilling rod section, and a plurality of grouting holes communicating with the interior through-holes in a side surface of the rod section;
wherein each of the connecting sleeves has a connecting sleeve through-hole inside of it, a hexahedral connecting portion matching the hexagonal connecting portion of the drilling rod section in the interior at one end, and a threaded connecting portion matching the top threads of the extension rod section in the interior at the other end; and
wherein the pre-tightening device comprises a stop-grouting plug, a tray, and a nut that are arranged sequentially on the anchoring threads of the extension rod section;
said method comprising the following steps:
a. assembling a drill bit on a first drilling rod section;
b. connecting the hexagonal connecting portion at the tail end of the first drilling rod section to the hexagonal connecting sleeve of an onboard or individual jumbolter;
c. starting the jumbolter and using the drill bit driven by the jumbolter to drill and ream a bore in a wall of the coal mass one operation, whereupon due to the outer diameter of the drill bit being smaller than the outer diameter of the helical rod body, the helical structure accomplishes secondary reaming and self-anchoring in the coal mass;
d. discontinuing drilling leaving a tail part of the first drilling rod section exposed outside of the coal wall, and, optionally detaching the jumbolter from the tail part of the first drilling rod section;
e. connecting a second extension drilling rod section to the first drilling read section via the top threads with the threaded connecting portion of the connecting sleeve, mounting the jumbolter on the tail part of the second drilling section, and using the jumbolter to drive the second drilling rod section into the wall of the coal mass;
f. repeating steps d. and e.;
g. mounting a pre-tightening device onto the anchoring threads of the extension rod section, connecting the hexahedral portion at the tail end of the extension rod section to the jumbolter,
h. starting the jumbolter and drilling, and discontinuing drilling and finishing mounting of the extension rod section when the tray contacts with the wall of the coal mass;
i. repeating steps d to h to achieve desired anchor depth;
j. removing the jumbolter and tightening a nut on the tail end of the anchor to squeeze together the coal wall and the rod body in the radial direction to inhibit crack propagation and development in the wall of the coal mass;
k. utilizing the through-hole and the grouting holes in the anchor rod body to inject grout behind the face of the wall of the coal mass; and
optionally injecting additional grout as necessary for reinforcement.

US Pat. No. 10,767,479

METHOD AND APPARATUS FOR REMOVING PAVEMENT STRUCTURES USING PLASMA BLASTING

Petram Technologies, Inc....

1. A method for fracturing pavement, the method comprising:drilling a borehole in the pavement using a drill;
removing the drill;
inserting a directional plasma blast probe into the borehole, where the blast probe focuses a blast horizontally and upwards by locating a gap between a plurality of electrodes enclosed in a cylindrical cage below a center point of one or more openings in the cylindrical cage of the blast probe;
initiating a plasma blast in the plasma blast probe by creating a plasma spark between the electrodes, the plasma blast fracturing the pavement;
removing the plasma blast probe from the borehole.

US Pat. No. 10,767,478

DIAMOND TIPPED UNITARY HOLDER/BIT

The Sollami Company, Her...

1. A tool comprising:a body comprising an annular trough and a forward extension axially extending from the annular trough to a forward end of the body;
a shank extending axially from a bottom of the body;
an annular tungsten carbide ring comprising a ring bore, the forward extension extending through the ring bore, and the annular tungsten carbide ring adapted to be seated and brazed in the annular trough of the body;
an outwardly tapered section of the forward extension extending from the annular trough; and
a forward extension bore of the forward extension extending axially inwardly from the forward end of the body to a bore termination within the forward extension.

US Pat. No. 10,767,477

SYSTEMS AND METHODS FOR COLLECTING CUTTING SAMPLES DURING OIL AND GAS DRILLING OPERATIONS

Solid Automated Geologica...

1. A system for automated collection of cutting samples produced during drilling of a well comprising:a venturi-effect extractor adapted to:
receive a flow of carrier fluid through a first port;
in response to suction generated by the flow of the carrier fluid, input fluid containing cuttings through a second port; and
output the carrier fluid and the fluid containing the cuttings through a third port;
a packaging system operable to:
receive the carrier fluid and the fluid containing the cuttings output from the third port of the extractor;
separate the cuttings from carrier fluid and the fluid containing the cuttings;
deposit the cuttings at a corresponding point along a moving elongated strip of base material;
cover the elongated strip of base material and the cuttings deposited on the base material with an elongated strip of cover material; and
advance the covered elongated strip of base material and covered cuttings onto a reel.

US Pat. No. 10,767,476

MICROBIOME BASED SYSTEMS, APPARATUS AND METHODS FOR THE EXPLORATION AND PRODUCTION OF HYDROCARBONS

Biota Technology, Inc., ...

1. A system comprising:a database storing extraction data corresponding to one or more sample materials obtained at a resource production field, the extraction data including microbiome data corresponding to the one or more sample materials; and
a computer system including one or more memories and one or more processors, one or more computer instructions incorporated into the one or more memories to configure the one or more processors to perform operations for improving a predictive accuracy of predictive microbiome data with respect to a target environmental parameter at the resource production field, the operations comprising:
accessing the database to obtain the microbiome data;
selecting a predictive model from a plurality of predictive models based on an expected prediction error of the predictive model being lower than an expected prediction error of other models of the plurality of predictive models, the expected prediction error of the predictive model being based on repeated fittings of the predictive model to different subsets of the microbiome data or other related microbiome data;
generating the predictive microbiome data from the first subset of the microbiome data, the generating of the predictive microbiome data including applying the predictive model using a machine-learned combination of feature inputs and model parameters; and
causing an interactive display of a visualization of the predictive microbiome data in a graphical user interface to assist an operator in creating a plan for directing an activity at the resource production field.

US Pat. No. 10,767,475

EXTENDED ISENTHALPIC AND/OR ISOTHERMAL FLASH CALCULATION FOR HYDROCARBON COMPONENTS THAT ARE SOLUBLE IN OIL, GAS AND WATER

Schlumberger Technology C...

1. A method of determining distribution of a plurality of components among a plurality of phases for a multi-component, multi-phase system including a multi-component, multi-phase fluid, the method comprising:determining a plurality of phase boundaries of the multi-component, multi-phase fluid and a vapor-liquid equilibrium (VLE) based on a plurality of geophysical parameters associated with an oilfield and using one or more computer processors, including determining hydrocarbon partitioning in a water phase, based in part on applying empirical equilibrium multi-phase mole fraction ratios (K-values) of the multi-component, multi-phase system that are functions of temperature and pressure only, wherein applying empirical equilibrium multi-phase mole fraction ratios of the multi-component, multi-phase system that are functions of temperature and pressure only includes, for a first hydrocarbon component in the multi-component, multi-phase fluid that is soluble in liquid, water and vapor phases:
applying a first empirical equilibrium multi-phase mole fraction ratio (K-value) for equilibrium between the liquid (L) and vapor (V) phases of the first hydrocarbon component; and
applying a second empirical equilibrium multi-phase mole fraction ratio (K-value) for equilibrium between the water (A) and vapor (V) phases of the first hydrocarbon component; and
predicting an amount of at least one fluid component distributed in a plurality of phases of the multi-component, multi-phase system by solving a set of flash equations with the one or more computer processors based on the plurality of phase boundaries.

US Pat. No. 10,767,474

SURFACTANT SELECTION METHODS FOR WETTING ALTERATION IN SUBTERRANEAN FORMATIONS

Multi-Chem Group, LLC, S...

1. A method comprising:providing a sample of oil from at least a portion of a subterranean formation;
determining the total acid number (TAN) and the total base number (TBN) of the oil sample by measuring the TAN and the TBN at a site where a well bore penetrating at least a portion of the subterranean formation is located, wherein the TAN of the oil sample is greater than the TBN of the oil sample;
based on the TAN of the oil sample being greater than the TBN of the oil sample by a difference of about 3.02 or greater, evaluating two or more cationic surfactants for a treatment in at least a portion of the subterranean formation without evaluating any anionic surfactants for the treatment in the portion of the subterranean formation; and
introducing a treatment fluid into the subterranean formation at or above a pressure sufficient to create or enhance at least one fracture in the subterranean formation, the treatment fluid comprising at least one of the two or more cationic surfactants.

US Pat. No. 10,767,473

SYSTEMS AND METHODS FOR DETECTION OF INDUCED MICRO FRACTURES

Saudi Arabian Oil Company...

10. A hydrocarbon production well system, comprising:a well system; and
a well control system configured to perform the following operations:
determining an unloading effective stress (?ul) in a formation sample taken from a wellbore drilled into a subsurface formation;
determining a fracture closure stress (?cl) of the formation sample;
determining that the unloading effective stress (?ul) is greater than or equal to the fracture closure stress (?ul);
in response to determining that unloading effective stress (?ul) is greater than or equal to the fracture closure stress (?ul), operating the well system to inhibit impact of micro-fractures in the wellbore, wherein operating the well to inhibit impact of micro-fractures comprises circulating, into the wellbore, oil based drilling fluids.

US Pat. No. 10,767,472

SYSTEM AND METHOD FOR CONTROLLED FLOWBACK

SCHLUMBERGER TECHNOLOGY C...

1. A downhole acquisition tool, comprising:a formation testing module comprising:
a fluid chamber comprising a piston and configured to store a fluid and to receive a flowback fluid from a geological formation, wherein the fluid is substantially free of solids; a conduit fluidly coupled to the fluid chamber and extending from a flowback conduit and an outlet of the formation testing module, wherein the flowback conduit is configured fluidly coupled to the geological formation and configured to receive the flowback fluid from the geological formation, and wherein the conduit fluidly coupled to the fluid chamber is configured to receive the flowback fluid from the flowback conduit; and
a first flow control device positioned downstream from the fluid chamber, wherein the first flow control device is configured to control a flow of the fluid exiting the fluid chamber.

US Pat. No. 10,767,471

RESOURCE DENSITY SCREENING TOOL

ConocoPhillips Company, ...

1. A method for determining hydrocarbon-containing reservoir productive areas comprising:gathering rock property data and hydrocarbon fluid property data for an undeveloped reservoir;
preparing depth profiles for at least one rock property data and at least one hydrocarbon fluid property;
combining said depth profiles to form at least one volume-in-place curve;
evaluating said at least one volume-in-place curve from top to bottom of a vertical window;
identifying accumulations of hydrocarbons in said undeveloped reservoir; and,
drilling a horizontal or vertical production well into said identified accumulations.

US Pat. No. 10,767,470

INSPECTION OF WELLBORE CONDUITS USING A DISTRIBUTED SENSOR SYSTEM

Halliburton Energy Servic...

1. A method for inspection of wellbore conduits, comprising:running a wireline transmitter into a wellbore, wherein the wireline transmitter only comprises:
a body; and
a transmitter coil coupled to the body;
generating an electromagnetic field using the wireline transmitter, wherein the electromagnetic field penetrates one or more conduits disposed in the wellbore, and wherein the electromagnetic field induces emission of at least one secondary electromagnetic field from the one or more conduits;
generating at least one signal in response to the secondary electromagnetic field, wherein the at least one signal is generated using a permanently installed distributed sensor system, and wherein the distributed sensor system comprises electromagnetic field sensors fastened to the one or more conduits and wherein the electromagnetic field sensors are configured to measure the at least one secondary electromagnetic field; and
identifying a pipe electromagnetic or geometric property of the one or more conduits based on the at least one signal.

US Pat. No. 10,767,469

TRANSCEIVER WITH ANNULAR RING OF HIGH MAGNETIC PERMEABILITY MATERIAL FOR ENHANCED SHORT HOP COMMUNICATIONS

Halliburton Energy Servic...

1. A method of forming a short-hop communications transceiver comprising:creating in a conductive tool body an annular cavity that is formed in an external tool surface of the conductive body and is electromagnetically coupled to the external tool surface of the conductive body by a surface gap that encircles the conductive tool body;
positioning a material in the annular cavity, wherein the material is a ferrite, a mu-metal, or a metallic glass, and does not consist of one or more coil windings wound around the material;
coupling electrical leads from an electronics module to opposite sides of the surface gap; and
operating the electronics module to perform short-hop telemetry by driving or sensing a voltage signal across the surface gap.

US Pat. No. 10,767,468

SONDE WITH INTEGRAL PRESSURE SENSOR AND METHOD

Merlin Technology, Inc., ...

6. A method for producing a sonde for use in an inground tool having an inground tool housing that defines an inground tool cavity such that the inground tool cavity is exposed to an ambient pressure environment which surrounds the inground tool during an inground operation, said method comprising:configuring a body to include an exterior configuration that is receivable within said inground tool cavity and to define a sonde interior, and further configuring the body to receive a pressure sensor body of a pressure sensor in a pressure sealed engagement such that the sonde interior is pressure sealed from the ambient pressure environment and the pressure sensor produces a pressure signal responsive to said ambient pressure environment outside of the body, and arranging said body to support at least a sonde electronics package within the sonde interior to receive said pressure signal.

US Pat. No. 10,767,467

WELL RANGING APPARATUS, SYSTEMS, AND METHODS

Halliburton Energy Servic...

1. A method, comprising:obtaining, by at least four sensors attached to a down hole tool, electromagnetic field strength measurements within a first well while the sensors remain relatively stationary;
determining an approximate ranging distance from the sensors to a second well that serves as a source of an electromagnetic field, via direct transmission or backscatter transmission, using only normal components of the electromagnetic field strength measurements, wherein the at least four sensors comprise two pairs of sensors Pair1 and Pair2, and
wherein in response to a value of (?S/R) being less than one, the approximate ranging distance is calculated according to the formula:

wherein H is one of the normal components of the electromagnetic field strength measurements, ?H is a difference between the first and a second set of field strength components, ?S is a separation between one of the sensors and a tool center, and R is the approximate ranging distance.

US Pat. No. 10,767,466

ACTIVE RANGING-WHILE-DRILLING WITH MAGNETIC GRADIOMETRY

Halliburton Energy Servic...

1. A method for ranging-while-drilling comprising:employing a rotating magnet assembly to induce a changing magnetization and/or electric current in a conductive member disposed in a target wellbore, wherein the rotating magnet assembly is employed on a bottom-hole-assembly (BHA) disposed in a second wellbore, the rotating magnet assembly comprising a plurality of magnet arrays configured to provide a magnetization direction, and wherein the magnetization direction is oriented at an angle between thirty degrees and sixty degrees with respect to a central axis of the BHA;
measuring at least one component of a magnetic gradient tensor using receivers employed at one or more locations of the BHA; and
calculating a relative location of the conductive members with respect to the BHA based at least in part on the measurements of the at least one component of the magnetic gradient tensor.

US Pat. No. 10,767,465

SIMULATING CURRENT FLOW THROUGH A WELL CASING AND AN INDUCED FRACTURE

1. A system, comprising:a well casing disposed within the earth;
a fracturing fluid comprising a proppant further disposed within the earth;
a source of electricity in electrical connectivity with the well casing that when energized causes an electrically energized well casing and proppant;
a sensor for detecting electromagnetic fields created by electricity from the source of electricity, well casing and proppant;
a receiver component that receives:
a computer-implemented model of a well system comprising the well casing, the computer-implemented model comprising a representation of the electrically energized well casing as a transmission line that leaks electric current as electric current traverses the well casing;
a value that indicates an amount of electric current that is applied to the well casing; and
a location of the source of the electricity;
a representation of an electrically conducting proppant-filled induced fracture as a transmission line that leaks electric current as the electric current traverses the proppant-filled induced fracture; and
an electromagnetic field calculator component in communication with the receiver component that calculates an estimated electromagnetic field at least one location on a surface of the earth based on parameters that comprise the conductivity of a layer of earth surrounding the well casing:
wherein the receiver component receives data from the sensor indicative of the electromagnetic field at the surface of the earth, and wherein the electromagnetic field calculator component performs a comparison between the data from the sensor with the estimated electromagnetic field calculated by the electromagnetic field calculator component and outputs one or more characteristics of an induced fracture relative to the well casing based at least in part upon the comparison;
and
wherein the representations of the electrically energized well casing and proppant comprises a plurality of two-port circuits coupled in series; and
wherein the one or more characteristics are selected from the group consisting of location, size, orientation, and length of the induced fracture; and
wherein the receiver component receives a hypothetical location of an induced fracture, and wherein the electromagnetic field calculator component calculates the estimated electromagnetic field based at least in part upon the hypothetical location of the induced fracture.

US Pat. No. 10,767,464

INSULATOR BASE FOR ANTENNA ASSEMBLIES

Halliburton Energy Servic...

1. A logging tool, comprising:a tool mandrel;
a bobbin positioned about the tool mandrel;
a coil including windings of a wire wrapped about the bobbin, the wire comprising a beginning portion and an end portion; and
an insulator base having an end that radially interposes the tool mandrel and an end of the bobbin, the insulator base defining one or more wire channels in an upper surface of the insulator base that receive the beginning portion and the end portion of the wire, wherein the one or more wire channels exhibit a depth deep enough such that the wire rests below the upper surface when received within the one or more wire channels.

US Pat. No. 10,767,463

DOWNHOLE DISTRIBUTED PRESSURE SENSOR ARRAYS, PRESSURE SENSORS, DOWNHOLE DISTRIBUTED PRESSURE SENSOR ARRAYS INCLUDING QUARTZ RESONATOR SENSORS, AND RELATED METHODS

Quartzdyne, Inc., Salt L...

1. A downhole distributed quartz pressure sensor array, comprising:sensor housings, at least some of the sensor housings each comprising at least one quartz pressure sensor disposed in a sealed pressure housing for detecting a pressure of an environment external to the sealed pressure housing;
cable segments connecting the sensor housings; and
at least one electrical conductor extending through the cable segments and connecting a sensor housing of the sensor housings to an adjacent sensor housing of the sensor housings, wherein a portion of the at least one electrical conductor passes internally through at least one of the cable segments and internally within the sensor housing around the pressure housing of the sensor housing.

US Pat. No. 10,767,462

METHOD AND SYSTEM FOR PERFORMING AUTOMATED DRILLING OF A WELLBORE

PASON SYSTEMS CORP., Cal...

1. A method for performing automated drilling of a wellbore, the method comprising:(a) drilling the wellbore in response to a first drilling parameter target, wherein the first drilling parameter target comprises a first drilling parameter offset modified by a first drilling parameter perturbation signal;
(b) performing a measurement to obtain a first drilling performance metric that is indicative of a response of the drilling to the first drilling parameter target;
(c) determining an output of a first objective function using the first drilling performance metric;
(d) using the output of the first objective function and the first drilling parameter perturbation signal to update the first drilling parameter target; and
(e) after the first drilling parameter target has been updated, drilling the wellbore in response to the first drilling parameter target.

US Pat. No. 10,767,461

ADDITIVE INJECTION SYSTEM

Halliburton Energy Servic...

1. Additive injection apparatus comprising:a flow manifold;
an injection tube having a tube wall defining a slot in the tube wall, wherein the injection tube is configured to communicate an additive into the flow manifold;
an additive hopper connected to the injection tube;
a first valve moveable between open and closed positions, wherein when the first valve is in the open position the additive may be communicated from the additive hopper to the injection tube, wherein the first valve is a rotatable gate valve having a shield extending between a first ring and a second ring, the first ring and second ring disposed about the injection tube such that in the closed position the shield covers the slot to prevent the additive being communicated from the hopper to the injection tube and in the open position the shield is position so as to allow the additive to be communicated from the hopper into the injection tube;
a second valve moveable between open and closed positions, wherein when the second valve is in the open position the additive may be communicated from the injection tube into the flow manifold; and
a reciprocable plunger disposed in the injection tube, the reciprocable plunger having a cylindrical shape with an arcuate extension such that the arcuate extension slides within the slot of the injection tube.

US Pat. No. 10,767,460

METHOD OF CHEMICALLY DELAYING PEROXYGEN BASED VISCOSITY REDUCTION REACTIONS

Orin Technologies, LLC, ...

13. A time delayed viscosity breaking composition for reducing a molecular weight of polymers in a viscosified fluid, the composition in a first configuration comprising:a stabilized intermediate inhibitor mixture formed from a combination of a first volume of a peroxygen compound and a second volume of a peroxygen inhibiting agent;
the first volume of the peroxygen compound comprising a peroxide;
the second volume of the peroxygen inhibiting agent comprising a phosphate, wherein the stabilized intermediate inhibitor mixture is formed of between 0.5% and 10.0% by weight of the second volume of the peroxygen inhibiting agent; and,
a third volume of a ferric methylglycine diacetate; and
wherein a relative ratio of the first and second volumes and the relative ratio of the third volume to a volume of the viscosified fluid determines a time delay for reducing the molecular weight of polymers in the viscosified fluid after introducing the stabilized intermediate inhibitor mixture into the viscosified fluid.

US Pat. No. 10,767,459

HYDROCARBON RESOURCE RECOVERY SYSTEM AND COMPONENT WITH PRESSURE HOUSING AND RELATED METHODS

EAGLE TECHNOLOGY, LLC, M...

16. A method for assembling a hydrocarbon resource recovery system for a subterranean formation comprising:positioning a radio frequency (RF) antenna within the subterranean formation for hydrocarbon resource recovery;
positioning an RF source aboveground;
coupling a coaxial RF transmission line between the RF antenna and the RF source and having an aboveground portion; and
coupling a plurality of pressure members joined together in end-to-end relation to define a pressure housing coupled to a dielectric fluid pressure source and surrounding the aboveground portion of the coaxial RF transmission line;
the plurality of pressure members comprising at least one straight tubular pressure member, and at least one elbow pressure member coupled thereto and comprising upper and lower longitudinal halves having respective opposing flanges joined together.

US Pat. No. 10,767,458

CHARACTERIZATION OF CRUDE OIL-WATER INTERFACIAL FILM RIGIDITY TO ENHANCE OIL RECOVERY

Saudi Arabian Oil Company...

1. A method of assessing a rigidity of an interface between a crude oil and a brine, the method comprising at least one of:assessing a compression energy for the interface between the crude oil and the brine;
assessing a time at which an elastic modulus and a viscous modulus of the interface between the crude oil and the brine are equal;
assessing a crumpling behavior or a crumpling ratio of a droplet of the crude oil, wherein the droplet of the crude oil is in the brine; and
assessing a coalescence time of a plurality of droplets of the crude oil, wherein the plurality of droplets of the crude oil is in the brine.

US Pat. No. 10,767,457

FRAC SYSTEM WITH HYDRAULIC ENERGY TRANSFER SYSTEM

ENERGY RECOVERY, INC., S...

1. A pumping system, comprising:a rotary isobaric pressure exchanger (IPX) that during operation exchanges pressures between a first fluid and a second fluid, wherein the first fluid is a substantially particulate free fluid and the second fluid is a particulate laden fluid; and
a controller that controls the flow of the first fluid and the second fluid into the rotary IPX, wherein the controller alters a flow of the first fluid and the second fluid in the pumping system to enable continuous fracing operation when the rotary IPX is no longer rotating.

US Pat. No. 10,767,456

METHODS AND SYSTEMS FOR RECOVERING OIL FROM SUBTERRANEAN RESERVOIRS

Swellfix UK Limited, Abe...

20. A method for recovering oil from a subterranean reservoir, the method comprising:delivering an injection gas through an injection flow path into a plurality of regions of the subterranean reservoir via a plurality of outflow devices arranged along the injection flow path;
producing oil from a first region of the reservoir using one or more first inflow devices arranged along the production flow path, the first inflow devices configured to define a first pressure drop across the first inflow device;
producing oil from a second region of the reservoir using one or more second inflow devices arranged along the production flow path, configured to define a second pressure drop across the second inflow device, arranged along the production flow path, wherein the second pressure drop is different to the first pressure drop, in order to balance production across the subterranean reservoir; and
restricting flow of the injection gas into the production flow path from the reservoir by choking the flow of the injection gas through at least one of the plurality of inflow devices such that a residence time of the injection gas within the reservoir is increased.

US Pat. No. 10,767,455

METHOD AND APPARATUS FOR EXTRACTING HEAVY OIL

1. A method of extracting heavy oil from a subterranean oil field using a subterranean oil well, wherein the subterranean oil well includes a wellhead, a pump having an inlet, and a mixing mandrel at least partially positioned within a production tube to form an annular space therebetween, wherein the annular space includes a spiral mixing spline positioned therein, wherein the annular space includes a radially extending baffle positioned therein downstream of the spiral mixing spline, and wherein the spiral mixing spline and the radially extending baffle extends radially outwardly from the mixing mandrel, the method comprising:injecting a diluent into the wellhead of the subterranean oil well;
pumping the diluent down the subterranean oil well;
contacting the diluent with heavy oil from a subterranean oil field;
directing the diluent and heavy oil into the annular space;
directing the diluent and heavy oil over the spiral mixing spline and over the radially extending baffle to form a heavy oil mixture;
directing the heavy oil mixture into the inlet of the pump; and
pumping the heavy oil mixture to the surface.

US Pat. No. 10,767,454

MULTI-POSITION INFLOW CONTROL DEVICE

Halliburton Energy Servic...

1. A method of controlling a flow of a formation fluid through an inflow control device comprising a tubular within which a sliding sleeve having a longitudinal fluid passageway extends, the method comprising:aligning a radial opening formed within the sliding sleeve into a first position relative to the tubular, such that the formation fluid flows through a first fluid passage formed through a wall of the tubular and into the longitudinal fluid passageway of the sliding sleeve to create a first pressure differential between an external pressure applied to an external surface of the tubular with an internal pressure within the longitudinal fluid passageway;
longitudinally shifting the sliding sleeve into a second position relative to the tubular, to align the radial opening with a second fluid passage formed through the wall of the tubular to allow the formation fluid to flow through the second fluid passage and into the longitudinal fluid passageway thereby creating a second pressure differential between the external pressure and the internal pressure;
and
longitudinally shifting the sliding sleeve into a third position relative to the tubular, to align the radial opening with a third fluid passage formed through the wall of the tubular to allow the formation fluid to flow through the third fluid passage and into the longitudinal fluid passageway thereby creating a third pressure differential between the external pressure and the internal pressure;
wherein each of the first, second, and third pressure differentials are different from another of the first, second, and third pressure differentials.

US Pat. No. 10,767,453

ADDRESSABLE SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD

GEODYNAMICS, INC., Mills...

1. A downhole system comprising:a controller located at the surface;
a gun string located in a wellbore, the gun string including plural gun assemblies;
a thru-line connecting the controller to the gun string; and
a detonator block attached to a given gun assembly,
wherein the detonator block includes an addressable switch assembly,
wherein the gun assembly includes an end plate mechanism that electrically connects to the detonator block, and
wherein the detonator block has at least one spring-loaded contact connected to the thru-line and the end plate mechanism includes a round electrical contact made as a printed circuit board, and the spring-loaded contact touches the printed circuit board.

US Pat. No. 10,767,452

LINER INSTALLATION WITH INFLATABLE PACKER

Saudi Arabian Oil Company...

9. A method comprising:positioning, within a wellbore:
a deformable liner;
a first inflatable packer positioned within the deformable liner; and
a second inflatable packer positioned around the deformable liner;
increasing an inner liner diameter of the deformable liner by inflating the first inflatable packer; and
after increasing the inner liner diameter of the deformable liner, permanently securing the deformable liner within the wellbore by inflating the second inflatable packer.

US Pat. No. 10,767,451

MATERIAL MESH FOR SCREENING FINES

BAKER HUGHES, A GE COMPAN...

1. A tubular for reservoir fines control comprising:a body including an outer surface and an inner surface defining a flow path, a plurality of openings are formed in the body connecting the outer surface and the flow path; and
a material mesh extending along in contact with the outer surface, the material mesh being formed from a material swellable upon exposure to a selected fluid, the material mesh having a selected porosity allowing methane to pass into the flow path while preventing passage of fines, wherein the material mesh includes a first material mesh layer including a plurality of cord members extending axially along in contact with the outer surface and a second material mesh layer overlaid onto the first material mesh layer, each of the first material mesh layer and the second material mesh layer being expandable.

US Pat. No. 10,767,450

SAND CONTROL SCREEN FOR HEAVY OIL THERMAL RECOVERY

STARSE ENERGY AND TECHNOL...

1. A sand control screen for heavy oil thermal recovery, comprising:a core base pipe having a plurality of base-pipe holes distributed on a pipe body thereof; a filtering sleeve sleeved on the core base pipe and arranged with respect to the base pipe holes; and
a non-welded support disk mounted on the core base pipe and fastening the filter sleeve to the core base pipe by means of a wedge insertion locking and sealing structure, said non-welded support disk comprising:
a support disk body including a disk body, and a through hole arranged coaxially with the disk body, the through hole including a circular hole and an internal tapered hole which are connected in this order, the diameter of the circular hole matching the outer diameter of the core base pipe;
a tapered locking sleeve including a sleeve body, and a sleeve hole arranged coaxially with the sleeve body, the diameter of the sleeve hole matching the outer diameter of the core base pipe, the outer surface of the sleeve body being a cone-cylinder surface matching the internal tapered hole, and the cone-cylinder surface being inserted into the internal tapered hole; and
a connecting member for connecting and fastening the support disk body and the tapered locking sleeve,
wherein said connecting member includes cylindrical pins, and cylindrical pin holes are provided in the support disk body, the tapered locking sleeve, and the core base pipe respectively and correspondingly, the cylindrical pins are configured to be inserted into the cylindrical pin holes, respectively,
wherein the cylindrical pin holes are welded to outer ends of the cylindrical pins respectively, and polished.

US Pat. No. 10,767,449

PROTECTIVE SHROUDS FOR SAND CONTROL SCREEN ASSEMBLIES

CHEVRON U.S.A. INC., San...

1. A sand control screen assembly, comprising:a filter medium for particle control and/or particle filtration, wherein the filter medium has a continuous cylindrical shape;
a jacket disposed about the filter medium, wherein the jacket comprises a sheet of metal having a left side with a left edge and a right side with a right edge, wherein the sheet of metal is wrapped helically around itself to form a tube, wherein the left edge and the right edge abut against each other without overlapping to form a seam when the sheet of metal forms the tube; and
a radial extension welded to an inner surface of the jacket at the seam along a length of the seam, wherein the radial extension forms a continuous spiral shape and provides substantially uniform radial spacing between the inner surface of the jacket and an outer surface of the filter medium, wherein the radial extension abuts against the outer surface of the filter medium.

US Pat. No. 10,767,448

MULTISTAGE OILFIELD DESIGN OPTIMIZATION UNDER UNCERTAINTY

Schlumberger Technology C...

1. A method for managing oilfield operations comprising:obtaining a subsurface model comprising a fracture design model having a fracture property with an uncertain value;
obtaining a set of representative values that represent uncertainty in the fracture property, wherein the set of representative values comprises a plurality of model parameter samples;
solving an oilfield optimization problem with a control variable using the set of representative values of the fracture property to obtain a solution comprising an optimal value for the control variable with respect to an objective function, wherein solving the oilfield optimization problem comprises:
for each of the plurality of model parameter samples, executing a fracture forecast model with a respective value of the control variable and a respective model parameter sample of the plurality of model parameter samples to obtain a respective objective function value of the objective function; and
determining the optimal value for the control variable based on the respective objection function value obtained with each of the plurality of model parameter samples;
generating an oilfield design based on the solution; and
storing the oilfield design.

US Pat. No. 10,767,447

DOWNHOLE RADIAL CLEANOUT TOOL

Halliburton Energy Servic...

1. A downhole cleanout tool comprising:a tool housing having a fluid inlet and a fluid outlet;
a filter disposed between the fluid inlet and the fluid outlet;
a pump having a pump inlet and a pump outlet, the pump being fluidly coupled to at least the fluid inlet to motivate fluid across the filter; and
a rotatable housing having at least one nozzle disposed therein, the nozzle being fluidly coupled to the pump outlet, wherein the pump is disposed within the rotatable housing.

US Pat. No. 10,767,446

FLOAT VALVE SUB

JAPAN AGENCY FOR MARINE-E...

1. A float valve sub comprising:an outer tube assembly; and
a float valve assembly arranged detachably in an inside of the outer tube assembly,
wherein the float valve assembly comprises:
a first end section having a cylindrical shape;
a second end section having a cylindrical shape;
a valve assembly middle section arranged between the first end section and the second end section; and
a lid section attached to the first end section,
wherein the lid section moves turnably between a first position for closing a passage of the first end section and a second position for opening the passage of the first end section,
wherein the valve assembly middle section has a side opening through which a part of the lid section is possible to pass,
wherein the outer tube assembly comprises:
a first section having an inner circumference surface complementary to an outer circumference surface of the first end section to receive the first end section;
a second section having an inner circumference surface complementary to an outer circumference surface of the second end section to receive the second end section; and
an outer tube assembly middle section arranged between the first section and the second section,
wherein the outer tube assembly middle section has a concave section possible to receive the lid section in the second position,
wherein a minimum inner diameter of the first section is larger than a minimum inner diameter of the second section,
wherein an inner diameter of the concave section is larger than the minimum inner diameter of the first section, and
wherein the inner diameter of the concave section of the outer tube assembly middle section is larger than a value obtained by multiplying the inner diameter of the second end section of the float valve assembly by the square root of 2.

US Pat. No. 10,767,445

VALVE ASSEMBLY FOR DOWNHOLE PUMP OF RECIPROCATING PUMP SYSTEM

Weatherford Technology Ho...

1. A method of assembling a valve assembly of a downhole pump for a reciprocating pump system, the method comprising:inserting an insert in a flow passage of a housing, the housing having first and second ends and defining the flow passage therethrough, the flow passage defining a surface between the first and second ends, the insert having third and fourth ends allowing for flow therethrough, the third end defining a ball stop, the fourth end having a ball passage;
setting one of the third and fourth ends of the insert against the surface in the flow passage; and
securing the insert in the housing by brazing with a brazing material between at least a portion of the insert and the flow passage to metallurgically affix between at least the portion of the insert and the flow passage.

US Pat. No. 10,767,444

FLAPPER VALVE TOOL

Thru Tubing Solutions, In...

5. A method, the method comprising:positioning a downhole tool in a wellbore, the downhole tool comprising:
a flapper valve assembly for controlling the backflow of fluid into a tubing string, the flapper valve assembly includes a first flapper having an opening disposed therein; and
a deformable element that maintains the first flapper in an open position after the deformable element is deformed, the deformable element is a pin element disposed on the flapper valve assembly and the pin element engages with the opening disposed in the first flapper; and
causing the deformable element to be deformed to maintain the at least one flapper in the open position.

US Pat. No. 10,767,443

BURST PORT SUB WITH DISSOLVABLE BARRIER

TRICAN COMPLETION SOLUTIO...

1. A plurality of burst port subs arranged a predetermined distance from each other, each burst port sub comprising:at least one radial port;
a burst disk arranged on an inner end of the port, the burst disk being adapted to burst at a predetermined pressure;
a dissolvable barrier arranged within the port, the dissolvable barrier being adapted to dissolve after a predetermined period of time in order to provide an open conduit;
an insert adapted to be arranged in the port and hold the dissolvable barrier a predetermined distance above the burst disk such that a space is created between the dissolvable disk and the burst disk within the port;
a cap arranged on an outer end of the port; and
a chamber with an atmospheric pressure,
wherein the chamber contains the dissolvable barrier and both the chamber and the dissolvable barrier are arranged in the port and between the burst disk and the cap, and
the plurality of burst port subs has a delayed opening sequence and each burst port sub of the plurality of burst ports has the delayed opening at a different pressure from another burst port sub.

US Pat. No. 10,767,442

FLOW CONTROL IN SUBTERRANEAN WELLS

THRU TUBING SOLUTIONS, IN...

1. A method for use with a subterranean well, the method comprising:flowing a treatment fluid into a first zone via openings in the well;
releasing flow conveyed plugging devices into the well, wherein, prior to insertion into the well, each of the plugging devices includes a body and, extending outwardly from the body, at least one of the group consisting of lines and fibers, and wherein at least one member of the at least one of the group consisting of lines and fibers includes an end which is splayed outward, thereby making the end wider than a remainder of the member, and enhancing fluid drag during conveyance of the plugging devices by flow in the well;
each of the plugging devices blocking flow through a respective one of the openings; and
perforating a second zone after the blocking.