US Pat. No. 10,393,037

METHOD FOR CONTROLLING OF VALVE TIMING OF CONTINUOUS VARIABLE VALVE DURATION ENGINE

HYUNDAI MOTOR COMPANY, S...

1. A method for controlling intake and exhaust valves of an engine, the method comprising:controlling, by an intake continuous variable valve timing (CVVT) device, opening and closing timings of the intake valve;
controlling, by an exhaust CVVT device, opening and closing timing of the exhaust valve;
determining, by a controller, a target intake opening duration of the intake valve, a target exhaust opening duration of the exhaust valve, and at least one of a target opening timing or a target closing timing of the intake valve and the exhaust valve, based on an engine load and an engine speed;
modifying, by an intake continuous variable valve duration (CVVD) device, a current intake opening duration of the intake valve while maintaining a maximum amount of a valve lift of the intake valve at a same level based on the target intake opening duration of the intake valve;
modifying, by an exhaust CVVD device, a current exhaust opening duration of the exhaust valve while maintaining a maximum amount of a valve lift of the exhaust valve at a same level based on the target exhaust opening duration of the exhaust valve;
adjusting, by the intake CVVT device, at least one of an opening timing or a closing timing of the intake valve to the at least one of the target opening or the target closing timing of the intake valve while maintaining the modified intake opening duration of the intake valve; and
adjusting, by the exhaust CVVT device, at least one of an opening timing or a closing timing of the exhaust valve to the at least one of the target opening or the target closing timing of the exhaust valve while maintaining the modified exhaust opening duration of the intake valve.

US Pat. No. 10,393,036

METHODS AND SYSTEM FOR OPERATING AN ENGINE

Ford Global Technologies,...

1. An engine operating method, comprising:generating a vacuum request;
generating a catalyst heating request; and
combusting air and fuel within a cylinder of an engine at a retarded spark timing, wherein the retarded spark timing is selected based on the generated vacuum request and the generated catalyst heating request, wherein combusting air and fuel at the retarded spark timing provides engine torque insufficient to rotate the engine at an idle speed, while rotating the engine at the idle speed via torque produced by a motor in response to the generated catalyst heating request.

US Pat. No. 10,393,035

ENGINE DEVICE

YANMAR CO., LTD., Osaka ...

1. An engine device comprising:an intake manifold configured to supply air into a cylinder;
an exhaust manifold configured to output exhaust gas from the cylinder;
a gas injector configured to mix a gaseous fuel with the air supplied from the intake manifold; and
a main fuel injection valve configured to inject a liquid fuel into the cylinder for combustion, the gas injector and the main fuel injection valve being provided to each of a plurality of the cylinders, and the engine device being configured to drive in either a gas mode in which the gaseous fuel is supplied into the cylinder or a diesel mode in which the liquid fuel is supplied into the cylinder,
wherein, at a time of switching an operation mode from one to another between the gas mode and the diesel mode, an instant switching to the diesel mode is executed when an engine rotation number is determined to approach an upper limit value which leads to an emergency stop of the engine device.

US Pat. No. 10,393,034

FUEL SYSTEM FOR A MULTI-FUEL INTERNAL COMBUSTION ENGINE

Champion Power Equipment,...

1. A multi-fuel engine comprising:an engine operable on a liquid fuel and a gaseous fuel;
a carburetor attached to an intake of the engine to mix air and fuel and connect a liquid fuel source to the intake, the carburetor comprising a float bowl;
a liquid cutoff solenoid coupled to the carburetor to open and close a liquid fuel path to the engine downstream from the float bowl;
a gaseous cutoff coupled to open and close a gaseous fuel source to the engine; and
a switch selectively coupling a power source to the liquid cutoff solenoid to open and close the liquid fuel path.

US Pat. No. 10,393,033

HYDRAULIC SYSTEM PURGING VIA POSITION SYNCHRONIZED SOLENOID PULSING

GM GLOBAL TECHNOLOGY OPER...

1. A variable displacement internal combustion engine control system, comprising:an engine including multiple cylinders, each cylinder having an intake valve and an exhaust valve;
an engine control circuit configured to: determine when to activate and deactivate one or more cylinders of the multiple cylinders, and determine when to purge gas entrained in an oil system of the engine using a purge pulse;
a solenoid-actuated hydraulic control valve in communication with the engine control circuit, the solenoid-actuated hydraulic control valve operated to deactivate and activate the one or more cylinders; and
the purge pulse is limited to a purge pulse range of approximately 210 degrees of a running crank angle of the engine.

US Pat. No. 10,393,032

ELEVATED COMPRESSION RATIO INTERNAL COMBUSTION ENGINE WITH MULTI-STAGE BOOSTING

GM Global Technology Oper...

1. An internal combustion engine comprising:a cylinder block defining a cylinder;
a cylinder head mounted to the cylinder block;
a reciprocating piston arranged inside the cylinder and configured to compress an air and fuel mixture at a geometric compression ratio of at least 10:1;
a crankshaft arranged in the cylinder block and rotated by an application of combustion force on the piston;
an intake valve operatively connected to the cylinder head;
an exhaust valve operatively connected to the cylinder head and configured to control removal of post-combustion gas from the cylinder;
a mechanism configured to provide a constant peak lift of the intake valve over an angle of rotation of the crankshaft that is at least 5 degrees, wherein the mechanism includes an intake camshaft having a cam lobe for opening and closing of the intake valve relative to a position of the crankshaft, wherein the mechanism includes a variable-ratio cam follower arranged between the cam lobe and the intake valve and configured to generate the constant peak lift of the intake valve, and wherein the variable-ratio cam follower includes a rocker arm having a rotatable cam-shaped roller in contact with the cam lobe and configured to vary an effective ratio of the cam follower; and
a multi-stage boosting system having a first gas compressor, a second gas compressor, and a controller configured to regulate operation of the first and second compressors to selectively pressurize air being received from the ambient for delivery to the cylinder.

US Pat. No. 10,393,031

METHODS AND SYSTEM FOR A THROTTLE

Ford Global Technologies,...

1. A system comprising:an engine comprising an intake passage;
a spherical throttle arranged along the intake passage, the spherical throttle comprising an immovable outer shield with cut-outs corresponding to upstream and downstream portions of the intake passage; and
an inner surface, interior to the outer shield, being coupled to first, second, and third passages arranged interior to the inner surface, where the passages are differently sized.

US Pat. No. 10,393,030

PILOT INJECTOR FUEL SHIFTING IN AN AXIAL STAGED COMBUSTOR FOR A GAS TURBINE ENGINE

UNITED TECHNOLOGIES CORPO...

1. A pilot fuel injector for a combustor of a gas turbine engine, the pilot fuel injector comprising:a swirler having an exit into a combustion chamber of the combustor; and
a nozzle located within the swirler, the nozzle having:
a primary fuel circuit configured to atomize fuel dispensed therethrough; and
a secondary fuel circuit having a first subcircuit having at least one injection aperture located at a first injection depth from the exit of the swirler and a second subcircuit having at least one second injection aperture located at a second injection depth from the exit of the swirler, wherein the first injection depth is greater than the second injection depth,
wherein the first subcircuit and the second subcircuit are configured to dispense fuel into a single volume within the swirler,
wherein a tip of the nozzle is located an immersion depth from the exit of the swirler, and wherein the second injection depth is greater than the immersion depth.

US Pat. No. 10,393,029

SETTING CONTROL FOR GAS TURBINE ENGINE COMPONENT(S)

ROLLS-ROYCE plc, London ...

1. A method of controlling settings of one or more actuatable components of a gas turbine engine to reduce or avoid overshoot of an engine operational parameter during a transient engine manoeuvre, the method including:providing a first matrix which relates reduction in the maximum value of the operational parameter during the transient manoeuvre to settings of the component(s);
providing a second matrix which relates maximum values of the operational parameter attained during the transient manoeuvre to: time to attain the maximum value after initiation of the transient manoeuvre, and rate of change of the operational parameter at the time of the maximum value;
monitoring the engine in operation to identify a start of a transient manoeuvre;
predicting, on the basis of the maximum values of the second matrix, an amount of overshoot of the operational parameter during the identified transient manoeuvre and a time of occurrence of the overshoot;
selecting a setting, using the first matrix, to eliminate the predicted overshoot; and
applying the selected setting to the component(s) for a predetermined period around the predicted time of occurrence to reduce or avoid the overshoot.

US Pat. No. 10,393,028

GEARED COMPRESSOR FOR GAS TURBINE ENGINE

1. A gas turbine engine comprising:a first rotor assembly comprising a low pressure turbine drivingly connected to a fan via a first shaft;
a second rotor assembly comprising a second turbine drivingly connected to a high pressure compressor via a second shaft, the first and second rotor assemblies arranged to undergo relative rotation in use about a common axis, and
a booster assembly having:
a further compressor arranged to be disposed about said common axis between the fan and high-pressure compressor in the direction of flow; and
a gearing having first and second input rotors and an output rotor, the first input rotor arranged to be driven by the first rotor assembly and the second input rotor arranged to be driven by the second rotor assembly, wherein
the gearing is a mechanical epicyclic gearing comprising at least one mechanical coupling including gears and teeth, and
the first input rotor comprises a ring gear, the second input rotor comprises a sun gear and the output rotor comprises a planet gear carrier member.

US Pat. No. 10,393,027

GAS TURBINE ENGINE SHAFT ARCHITECTURE AND ASSOCIATED METHOD OF DISASSEMBLY

15. A method of removing a shaft from a turboprop engine having a low pressure (LP) compressor drivingly coupled to a LP turbine via a LP compressor drive shaft wherein the LP compressor is axially aft of the LP turbine, the LP turbine drivingly coupled to a propeller shaft of a propeller, the method comprising: removing the propeller from the propeller shaft, the propeller shaft defining an axially extending passage providing access to the LP compressor drive shaft, axially unlocking the LP compressor drive shaft, and axially extracting the LP compressor drive shaft through the axially extending passage of the propeller shaft.

US Pat. No. 10,393,026

INTERCOMPONENT SEAL FOR A GAS TURBINE ENGINE

ROLLS-ROYCE plc, London ...

1. A wall arrangement for a gas turbine engine, comprising:an annular wall comprising a plurality of circumferential wall segments, adjacent wall segments of the plurality of circumferential wall segments having opposing first and second end wall portions that are separated from one another in the circumferential direction and define a gap therebetween,
the gap including a saddle portion which faces radially outwards and comprises a first sealing face on the first end wall portion and a second sealing face on the second end wall portion; and,
a longitudinal seal member having a curved sealing surface located within the saddle portion, wherein the curved sealing surface contacts the either or both first and second sealing faces along the length of the saddle portion in use
wherein the seal member includes axially compressible portions which include localised reductions in the seal member thickness provided by a plurality of axially distributed slots or grooves which extend from an outer surface to a base within a body of the seal member and allow the seal member to bend longitudinally;
wherein the base is a chord of an outer surface of the seal member or a curved surface within the seal member.

US Pat. No. 10,393,025

SEALING ARRANGEMENT AT THE INTERFACE BETWEEN A COMBUSTOR AND A TURBINE OF A GAS TURBINE AND GAS TURBINE WITH SUCH A SEALING ARRANGEMENT

ANSALDO ENERGIA SWITZERLA...

1. A sealing arrangement at an interface between a combustor and a turbine of a gas turbine, said turbine comprising:at least one guiding vane at an inlet of the turbine, wherein the at least one guiding vane is mounted within said turbine at their outer diameter by a rear outer diameter vane hook, and at their inner diameter in sealing engagement by a front inner diameter vane tooth with a honeycomb seal configured to be arranged at a corresponding inner diameter part of an outlet of the combustor; and
the rear outer diameter vane hook is arranged to allow a relative rotation of the at least one guiding vane around said rear outer diameter vane hook,
said front inner diameter vane tooth and the honeycomb seal are configured relative to said rotation of said at least one guiding vane, such that a contacting surface of the front inner diameter vane tooth is arranged in parallel to a sealing surface of the honeycomb seal, and is arranged orthogonally to the rotation of the at least one guiding vane to reduce compression of said honeycomb seal, wherein the contacting surface of the front inner diameter vane tooth bends towards the centerline axis of the gas turbine and extends towards the honeycomb seal.

US Pat. No. 10,393,024

MULTI-AIR STREAM COOLING SYSTEM

United Technologies Corpo...

1. A cooling system, comprising:an inner vane support comprising a first surface radially opposite a radially inner surface, the radially inner surface facing radially inward;
a flow guide coupled to the radially inner surface of the inner vane support, wherein the flow guide comprises an outer surface radially opposite an inner surface;
a fastened inner duct coupled to the inner surface of the flow guide, wherein the fastened inner duct comprises a third surface radially opposite a fourth surface; and
a plurality of discharge slots, each discharge slot being defined by a radial recess on the radially inner surface of the inner vane support, the plurality of discharge slots being spaced circumferentially around the inner vane support,
wherein the first surface of the inner vane support partially defines a first airflow path through the cooling system,
wherein the radially inner surface of the inner vane support and the outer surface of the flow guide define a second airflow path through the cooling system,
wherein the inner surface of the flow guide and the third surface of the fastened inner duct define a third airflow path through the cooling system, and
wherein the plurality of discharge slots are configured to meter an airflow from the third airflow path into a blade rim cavity.

US Pat. No. 10,393,023

TANGENTIAL ON-BOARD INJECTORS FOR GAS TURBINE ENGINES

UNITED TECHNOLOGIES CORPO...

1. A tangential on-board injector for a gas turbine engine, the tangential on-board injector comprising:a tangential on-board injector body having an entrance and an exit, the tangential on-board injector body having a curved shape and defining an air passageway between the entrance and the exit; and
an inlet extension connected to the entrance of the tangential on-board injector body such that that air passageway of the tangential on-board injector extends through an inner case of the gas turbine engine, the inlet extension extending from the tangential on-board injector body and having an inlet configured to force air to change direction when entering the inlet of the inlet extension such that the air must turn to enter the inlet extension,
wherein the inlet extension, when installed in the gas turbine engine, is raised from a bottom of the inner case and angled or facing away from a direction of flow through the inner case, and defines a wall that prevents particles from entering the entrance of the tangential on-board injector body, wherein the wall of the inlet extension defines an area external to and around the inlet extension where particles collect around the wall and said wall prevents the particles in the defined area from entering the air passageway of the tangential on-board injector body, wherein the wall of the inlet extension defines an area external to and around the inlet extension where particles collect around the wall and said wall prevents the particles in the defined area from entering the air passageway of the tangential on-board injector body, wherein the inlet extension is arranged on a first side of the inner case and the tangential on-board injector body is arranged on a second side of the inner case,
wherein the inlet extension is configured to direct air through an angle that is equal to or greater than 90° as the air flows through the inlet extension.

US Pat. No. 10,393,022

COOLED COMPONENT HAVING EFFUSION COOLING APERTURES

ROLLS-ROYCE plc, London ...

26. A cooled component comprising a wall having a first surface and a second surface, the wall having a plurality of effusion cooling apertures extending there-through from the first surface to the second surface, each effusion cooling aperture having an inlet in the first surface and an outlet in the second surface, each effusion cooling aperture comprising an inlet portion, a collection chamber, a metering portion, a U-shaped bend portion and a diffusing portion arranged in flow series from the inlet to the outlet, the inlet portion of each effusion cooling aperture being arranged substantially perpendicularly to a surface of the collection chamber, the metering portion of each effusion cooling aperture being arranged to extend in a longitudinal direction from a lateral side of the collection chamber, the lateral side being displaced from the inlet portion in a lateral direction that is perpendicular to the longitudinal direction and parallel to a plane of the second surface of the wall, the diffusing portion of each effusion cooling aperture being arranged at an angle to the second surface, each outlet having a quadrilateral shape in the plane of the second surface of the wall and each outlet being displaced laterally from the metering portion, the inlet and the outlet being spaced longitudinally in a same direction from the U-shaped bend portion.

US Pat. No. 10,393,021

PARTICLE SEPARATOR

Rolls-Royce North America...

1. An air-inlet duct for use with a gas turbine engine, the air-inlet duct comprisingan outer wall arranged circumferentially about an engine rotation axis of the air-inlet duct,
an inner wall located radially between the outer wall and the engine rotation axis, the inner wall and the outer wall cooperate to define an air-inlet passageway adapted to receive a mixture of air and particles suspended in the air, and
a splitter located radially between the outer wall and the inner wall 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, the dirty flow located adjacent the outer wall and the clean flow located radially between the dirty flow and the inner wall,
wherein the outer wall is formed to include a plurality of apertures arranged to extend radially through the outer wall to block a wall-normal vortex from forming in the air-inlet passage ahead of the splitter,
wherein the air-inlet duct further comprises a housing located radially outward of the outer wall, the housing cooperates with the outer wall to define a cavity, the plurality of apertures opens into the cavity to provide fluid communication between the air-inlet passageway and the cavity, and the plurality of apertures provides the only fluid inlets into and exits out of the cavity.

US Pat. No. 10,393,020

INJECTOR NOZZLE CONFIGURATION FOR SWIRL ANTI-ICING SYSTEM

ROHR, INC., Chula Vista,...

1. An anti-icing system for annular gas turbine engine housings comprising:a substantially closed annular housing at a leading edge of the gas turbine engine inlet housing, the substantially closed annular housing containing a quantity of air;
a conduit extending from a source of high-pressure hot bleed air to the substantially closed annular housing;
an injector connected to an end of the conduit and extending into the substantially closed annular housing;
a first air directional element extending outwardly from a a distal end of the injector in a first direction that causes the quantity of high-pressure hot bleed air to be directed toward an outlet of the one or more nozzles, the first air directional element including at least two deflector vanes; and
one or more nozzles extending outwardly from the injector in a second direction that the quantity of air circulates in the annular housing, the second direction being different than the first direction;
wherein the first air directional element is outside of the one or more nozzles.

US Pat. No. 10,393,019

ASSEMBLY AND METHOD FOR INFLUENCING FLOW THROUGH A FAN OF A GAS TURBINE ENGINE

1. A fan assembly for a turbofan engine, the fan assembly comprising:a fan comprising a plurality of circumferentially distributed fan blades extending radially outwardly from a hub, the fan blades and a radially-outer surface of the hub defining a flow passage through which ambient air is propelled;
a nose cone disposed upstream of the hub and having an interior in fluid communication with the ambient air; and
a pump at least partially housed in the interior of the nose cone, the pump being configured to, using the ambient air in the nose cone, drive injection air into the flow passage defined by the fan blades and the radially-outer surface of the hub to influence flow in the flow passage;
wherein:
the pump includes a first stage including a first circular array of rotor blades and a second stage including a second circular array of rotor blades, the second stage being disposed downstream of the first stage; and
the pump includes a circular array of stator guide vanes disposed between the first stage of rotor blades and the second stage of rotor blades.

US Pat. No. 10,393,018

POWER PLANT METHODS AND APPARATUS

Mitsubishi Hitachi Power ...

1. A method of operating a system including a boiler system and a gas turbine system, the boiler system including a boiler, the gas turbine system including a gas turbine, the method comprising:measuring an oxygen level in flue gas output by the boiler;
operating a controller, during a first mode of operation during which said boiler is active and said gas turbine is active, to control the supply of gas turbine flue gas to a first gas turbine flue gas input of said boiler system based on the measured oxygen level, said first flue gas input being one of: i) a gas turbine flue gas boiler hopper input of a boiler, ii) a gas turbine flue gas burner air supply duct input which supplies air to a burner of said boiler, or iii) a gas turbine flue gas mill air supply duct input which is included as part of a mill air supply duct which supplies air to a mill which provides fuel to said boiler, said step of operating the controller, during the first mode of operation, including operating the controller to control a position of a first damper used to control the supply of gas turbine flue gas to the first gas turbine flue gas input to be in an open position;
operating the controller to control the throughput of a fan which supplies air which is mixed with gas turbine flue gas prior to the gas turbine flue gas reaching the boiler; and
wherein said controller further controls, during the first mode of operation, a supply of gas turbine flue gas to a second gas turbine flue gas input of said boiler system based on the measured oxygen level, the second flue gas input being one of: a boiler hopper input of a boiler, ii) a burner air supply duct which supplies air to a burner of said boiler, or iii) a mill air supply duct which supplies air to a mill which provides fuel to said boiler, said second flue gas input being different from said first flue gas input.

US Pat. No. 10,393,017

SYSTEM AND METHOD FOR REDUCING SPECIFIC FUEL CONSUMPTION (SFC) IN A TURBINE POWERED AIRCRAFT

ROLLS-ROYCE CORPORATION, ...

1. In an aircraft, a system for providing auxiliary power comprising:a propulsion core, the propulsion core comprising a compressor, a combustor; a turbine and a propulsion core shaft;
an accessory unit, the accessory unit comprising an accessory combustor; an accessory turbine and an accessory shaft;
a high pressure air tank configured to hold high pressure air, the tank operably connected to a high pressure air supply line between the tank and the accessory unit; and,
an electric generator comprising an electrical output and a mechanical input,
the mechanical input connected to the accessory shaft;
the electrical output operably connected to an electric motor; the electric motor operably connected to the propulsion core shaft;
the electrical output also operably connected to an auxiliary power consuming device in the aircraft;
further comprising a fluid passage between the accessory unit and the combustor, the fluid passage configured to provide accessory unit exhaust into the combustor while the propulsion core is providing propulsion to reduce Specific Fuel Consumption.

US Pat. No. 10,393,016

INLET MANIFOLD FOR MULTI-TUBE PULSE DETONATION ENGINE

UNITED TECHNOLOGIES CORPO...

1. An inlet manifold for a multi-tube pulse detonation engine, comprising:a vaneless diffuser disposed in a first aerodynamic zone, said vaneless diffuser configured to collect air discharged from a compressor and direct it into a second aerodynamic zone;
a vaned diffuser including a plurality of guide vanes disposed in the second aerodynamic zone, said vaned diffuser configured to slow air from the vaneless diffuser;
a structure defining a plenum disposed in a third aerodynamic zone, said plenum sized to provide a location where the air can continue to flow into a next manifold when an air valve for the pulse detonation tube closes in a preceding manifold;
a plurality of pulse detonation tube inlets disposed in a fourth aerodynamic zone, said plurality of pulse detonation tube inlets configured to split the air from the compressor into an airflow required by each pulse detonation tube for detonation, wherein said air includes a combustion air and a bypass air; and
a plurality of bleed ports disposed between the plurality of guide vanes and the plurality of pulse detonation tube inlets, the number of bleed ports in the plurality of bleed ports equaling the number of pulse detonation tube inlets in the plurality of pulse detonation tube inlets.

US Pat. No. 10,393,015

METHODS AND SYSTEMS FOR TREATING FUEL GAS

ExxonMobil Upstream Resea...

23. A system for producing a fuel gas stream, comprising:an inlet heat exchanger that cools a compressed gas stream to form a cool compressed gas stream;
a first separator that removes liquids from the cool compressed gas stream to form an overhead vapor stream;
a dehydrator that dehydrates the overhead vapor stream to form a dry gas stream;
a first heat exchanger that chills the dry gas stream to produce a dry cold fluid stream;
a second separator that separates liquids from the dry cold fluid stream, thereby producing a cold vapor stream and a liquids stream;
a turbo-expander that expands a first part of the cold vapor stream to produce a cold two-phase fluid stream;
a reflux heat exchanger that cools a second part of the cold vapor stream to form a cooled reflux stream;
a separation column that receives the liquids stream, the cold two-phase fluid stream, and the cooled reflux stream and produces a cold fuel gas stream and a low temperature liquids stream, wherein the cold fuel gas stream is used to cool the second part of the cold vapor stream in the reflux heat exchanger, the cold fuel gas stream thereby becoming a warmed fuel gas stream; and
a compressor that compresses the warmed fuel gas stream to form a compressed cold fuel gas stream;
wherein the compressed cold fuel gas stream and the low-temperature liquids stream are fed to the first heat exchanger to chill the dry gas stream therein, and wherein the compressed cold fuel gas stream and the low-temperature liquids stream are further fed to the inlet heat exchanger to cool the compressed gas stream therein.

US Pat. No. 10,393,014

ENGINE ASSEMBLY WITH EXHAUST PIPE NOZZLE

1. An engine assembly comprising:an internal combustion engine having a working chamber of variable volume, the variable volume varying between a minimum volume and a maximum volume with a difference between the maximum and minimum volumes defining a displacement volume Vd;
a turbine configured as an impulse turbine having a pressure based reaction ratio of at most 0.25, the turbine having a circumferential array of rotor blades extending across a flow path; and
an exhaust pipe having a pipe volume Vp, the exhaust pipe providing fluid communication between an exhaust port of the internal combustion engine and the flow path of the turbine, the exhaust pipe terminating in a nozzle communicating with a portion of the flow path located upstream of the rotor blades;
wherein a ratio Vp/Vd between the pipe volume Vp and the displacement volume Vd of the internal combustion engine is at most 1.5; and
wherein a minimum value of a cross-sectional area of the exhaust pipe is defined at the nozzle.

US Pat. No. 10,393,013

POROUS THERMAL INSULATION COATING LAYER AND PREPARING METHOD FOR THE SAME

Hyundai Motor Company, S...

1. A porous thermal insulation coating layer comprising:a ceramic-based binder; and
a porous ceramic composite comprising an aerogel and a ceramic compound, and comprising pores having a diameter of about 100 nm to 40,000 nm,
wherein the aerogel comprises nanopores having a diameter of about 1 nm to 500 nm,
wherein a porosity of the coating layer is of about 65% or greater,
wherein the porous ceramic composite is dispersed in the binder and an average diameter of the porous ceramic composite is of about 1 ?m to 500 ?m.

US Pat. No. 10,393,012

INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. An internal combustion engine comprising:switching pins provided at a connecting rod, the switching pins operating when an oil pressure is greater than or equal to a predetermined pressure,
a hydraulic oil path supplying a first amount of an oil from an oil feed device to operate the switching pins through a first plurality of crank journals, and
a lubricating oil path supplying a second amount of the oil from the oil feed device to lubricate crankpins through a second plurality of crank journals,
a hydraulic control valve provided in the hydraulic oil path for linearly controlling the oil pressure supplied to the switching pins via a change of an opening degree of the hydraulic control valve, and
an electronic control unit (ECU) programmed to control the opening degree of the hydraulic control valve based on at least one of an output from a hydraulic sensor, an oil temperature sensor, and a crank angle sensor, wherein
when operating the switching pins, the ECU controls the opening degree of the hydraulic control valve such that the oil pressure supplied to the switching pins is greater than or equal to the predetermined pressure, and
when not operating the switching pins, the ECU controls the opening degree of the hydraulic control valve such that the oil pressure supplied to the switching pins is less than the predetermined pressure, and
when not operating the switching pins, the ECU is configured to make the opening degree of the hydraulic control valve smaller as a temperature of the oil sensed by the oil temperature sensor decreases and as an engine speed sensed by the crank angle sensor increases.

US Pat. No. 10,393,011

METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE UTILIZING HEAT IN ENGINE CYCLES

1. A method of operating an internal combustion engine that is capable of carrying out new complete thermodynamic engine cycles, the method comprising the steps of:providing an internal combustion engine that includes:
a piston;
a cylinder into which intake air for combustion is admitted;
a cylinder valve;
a gas flow-controlling device configured to restrict gas flow in the internal combustion engine to a single direction during intake or exhaust of the internal combustion engine, the gas flow-controlling device configured to operate at changing times from cycle to cycle of the piston;
an engine timing device configured to time gas flow in the internal combustion engine so that the piston has a longer effective expansion stroke movement than effective compression stroke movement during a functioning thermodynamic cycle of the piston, the engine timing device further configured to time gas flow in the internal combustion engine so that the piston has a power producing force from gas pressure acting on the piston and with the piston during movement of the piston;
wherein the power producing force is from expanding or contracting of gases in the internal combustion engine;
wherein the power producing force is not the force of expanding combustion gases, the power producing force is not the force from directing gas flow inertia, the power producing force is not the rebound force from expanding gases that were previously compressed mechanically by the internal combustion engine, and the power producing force is not the rebound force from compressing gases that were previously expanded mechanically by the internal combustion engine, and
wherein the power producing force occurs during a steady-state functioning thermodynamic cycle of the piston;
starting a first stroke of the piston during a cycle, the piston leaving a top dead center (TDC) position of the piston and traveling in the cylinder toward a bottom dead center (BDC) position of the piston during which time combustion and expansion gases are expanding in the cylinder, and in which the combustion and expansion gases are being contained under pressure in the cylinder;
during the first stroke of the cycle, and after the piston has traveled about halfway toward the BDC position, exhaust gases begin to blow out of the cylinder;
during the first stroke of the cycle, as the piston is traveling towards the BDC position, cylinder pressure drops and the exhaust gases cease blowing out of the cylinder;
during the first stroke of the cycle, while the piston is traveling towards the BDC position, a greater amount of surface area of the cylinder is being exposed to hot gases in the cylinder and heat from the hot gases in the cylinder is being transferred to the surface area of the cylinder that is cooler than the hot gases;
during the first stroke of the cycle, while the piston is traveling toward the BDC position, gases in the cylinder cool and contract and decrease the gas pressure in the cylinder, thus causing intake flow into the cylinder;
during the cycle, when the piston reaches the BDC position, the piston reverses and starts to move toward the TDC position during a second stroke of the cycle;
during the second stroke of the cycle, when the piston is traveling toward the TDC position, the piston is decreasing the volume in the cylinder while intake gases are still capable of flowing into the cylinder from intake flow caused by cooling and contracting gases in the cylinder;
during the second stroke of the cycle, and after the piston has traveled about halfway toward the TDC position, intake flow into the cylinder ceases when a compression stroke displacement of the piston begins; and
during the second stroke of the cycle, when returning to TDC position in the cylinder, the piston finishes compressing gases in the cylinder.

US Pat. No. 10,393,010

MULTI-ARC BEARING AND TURBOCHARGER

IHI Corporation, Koto-ku...

1. A multi-arc bearing, comprising:a bearing surface a cross-sectional shape of which perpendicular to an axial direction of a shaft includes a plurality of arcs; and
an oil supply groove provided on the bearing surface between two arcs adjacent to each other in a rotation direction of the shaft and extending in the axial direction of the shaft, the oil supply groove having a bearing clearance at a front side end portion in the rotation direction of the shaft smaller than a bearing clearance at a rear side end portion in the rotation direction of the shaft.

US Pat. No. 10,393,009

ADJUSTABLE-TRIM CENTRIFUGAL COMPRESSOR FOR A TURBOCHARGER

Garrett Transportation I ...

1. A turbocharger, comprising:a turbine housing and a turbine wheel mounted in the turbine housing and connected to a rotatable shaft for rotation therewith, the turbine housing receiving exhaust gas and supplying the exhaust gas to the turbine wheel;
a centrifugal compressor assembly comprising a compressor housing and a compressor wheel mounted in the compressor housing and connected to the rotatable shaft for rotation therewith, the compressor wheel having blades and defining an inducer portion, the compressor housing having an air inlet wall defining an air inlet for leading air generally axially into the compressor wheel, the compressor housing further defining a volute for receiving compressed air discharged generally radially outwardly from the compressor wheel; and
a compressor inlet-adjustment mechanism disposed in the air inlet of the compressor housing and movable between an open position and a closed position, the inlet-adjustment mechanism comprising a plurality of first blades lying in a first plane normal to a rotational axis of the turbocharger and a plurality of second blades lying in a second plane parallel and axially adjacent to the first plane, the first and second blades being disposed about the air inlet and each pivotable about one end of the blade, the first and second blades pivoting radially inwardly through a slot in the air inlet wall when the blades are in the closed position so as to form an orifice of reduced diameter relative to a nominal diameter of the air inlet, and pivoting radially outwardly through said slot when the blades are in the open position so as to form an orifice corresponding to said nominal diameter.

US Pat. No. 10,393,008

METHODS AND SYSTEM FOR ADJUSTING ENGINE AIRFLOW

GE Global Sourcing LLC, ...

17. A system for an engine, comprising:a turbocharger including a turbine arranged in an exhaust passage and a compressor arranged in an intake passage of the engine;
a compressor bypass passage including a compressor bypass valve and coupled between the intake passage, upstream of an intake manifold and the compressor, and atmosphere;
a controller with computer readable instructions stored in memory for:
combusting a mixture of diesel fuel and gaseous fuel at engine cylinders of the engine;
adjusting a position of the compressor bypass valve in response to a temperature upstream of the turbine and a target pre-turbine temperature; and
transitioning from combusting the mixture to combusting only diesel fuel at the engine cylinders and, in response to the transition, adjusting the position of the compressor bypass valve in response to surging of the compressor and not based on the temperature upstream of the turbine.

US Pat. No. 10,393,007

SPARK-IGNITED INTERNAL COMBUSTION ENGINE WITH ELECTRICALLY DRIVABLE EXHAUST GAS TURBOCHARGER, AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF THIS TYPE

Ford Global Technologies,...

1. A spark-ignited charged internal combustion engine, comprising:at least one cylinder;
an intake system for feeding charge air to the at least one cylinder;
an exhaust gas discharge system for discharging exhaust gas from the at least one cylinder;
at least one exhaust gas turbocharger comprising a housing, a turbine, and a compressor, the turbine having at least one turbine impeller mounted on a rotatable shaft, the compressor having at least one compressor impeller mounted on the rotatable shaft; and
an electric auxiliary drive including a stator and a rotor, the rotor of the electric auxiliary drive including a spoked wheel, a radially inner circumference of the spoked wheel mounted on the rotatable shaft of the exhaust gas turbocharger, and at least one permanent magnet fixed to a radially outer circumference of the spoked wheel, the radially outer circumference of the spoked wheel spaced away from the stator, the spoked wheel running freely in one direction of rotation when a rotational speed of the rotatable shaft of the exhaust gas turbocharger is greater than a rotational speed of the spoked wheel.

US Pat. No. 10,393,006

VARIABLE POSITION SHIFT TYPE VARIABLE CHARGE MOTION SYSTEM AND ENGINE

Hyundai Motor Company, S...

1. A variable charge motion system, comprising:a sliding plate disposed internal to a pipeline of an intake port connected to a combustion chamber, and slide and moved to induce a tumble flow with respect to an intake flow of air which flows in the pipeline and enters into the combustion chamber,
wherein the sliding plate is disposed along a guide wall formed in the pipeline.

US Pat. No. 10,393,005

FUEL EFFICIENT POWERTRAIN COOLING SYSTEMS AND RADIATOR MODULES

GM GLOBAL TECHNOLOGY OPER...

1. A powertrain cooling system for deployment onboard a vehicle including an engine compartment, the powertrain cooling system comprising:a first airflow path;
a second airflow path;
a primary radiator core positioned in the first airflow path;
an auxiliary radiator core positioned in the second airflow path; and
a first airflow valve positioned in the second airflow path upstream of the auxiliary radiator core, the first airflow valve movable between a closed position wherein the first airflow valve impedes airflow to the auxiliary radiator core and an open position;
wherein the cooling efficiency of the primary radiator core is greater than the cooling efficiency of the auxiliary radiator core such that the primary radiator core rejects a given amount of heat to a reduced volume of airflow as compared to the auxiliary radiator core, and wherein the first airflow path directs the airflow discharged by the primary radiator core around and not into the engine compartment.

US Pat. No. 10,393,004

WATER PUMP FITTING STRUCTURE OF VEHICLE ENGINE

KAWASAKI JUKOGYO KABUSHIK...

1. A vehicle having an engine with a water pump, the engine having a crank shaft extending in a vehicle widthwise direction, a crankcase supporting the crank shaft and a covering member fastened to an abutting surface at one side surface of the crankcase,the water pump comprising:
a water pump shaft disposed in parallel to the crankshaft, the water pump shaft being drivingly coupled with the crankshaft;
an impeller fixed to a distal end portion of the water pump shaft; and
a pump casing rotatably supporting the water pump shaft, wherein
the entirety of the water pump is disposed laterally inward of the abutting surface in the vehicle widthwise direction, and
the pump casing is fitted in a mounting hole provided at an outer surface of the crankcase.

US Pat. No. 10,393,003

STAMPED AERODYNAMIC DEFLECTOR FOR VEHICLE MUFFLER

Ford Global Technologies,...

1. An aerodynamic muffler comprising:an upper stamped shell portion;
a lower stamped shell portion attached to said upper stamped shell portion at a flange;
an air deflecting shield extending from and being integrally formed with said flange.

US Pat. No. 10,393,002

EXHAUST DEVICE OF STRADDLE-TYPE VEHICLE

SUZUKI MOTOR CORPORATION,...

1. An exhaust device of a straddle-type vehicle, comprising:a chamber arranged at the rear of an engine of the straddle-type vehicle;
an exhaust pipe configured to interconnect an exhaust port of the engine and the chamber;
a first muffler body arranged at one side, at which a drive chain is not arranged, of a left side and a right side of the straddle-type vehicle, in a region at the rear of the chamber;
a second muffler body arranged at another side, at which the drive chain is arranged, of the left side and the right side of the straddle-type vehicle, in the region at the rear of the chamber;
a first connection pipe configured to interconnect the chamber and the first muffler body;
a second connection pipe configured to interconnect the chamber and the second muffler body; and
an exhaust control valve configured to control a flow rate of exhaust air to circulate from the exhaust port toward the first muffler body via the exhaust pipe, the chamber and the first connection pipe,
wherein a part or all of the second connection pipe is formed to have a pipe shape by two or more plate materials bonded to each other, and has a non-true circular cross-sectional surface shape,
wherein the second connection pipe has an area of a cross-sectional surface smaller than the first connection pipe.

US Pat. No. 10,393,001

MARINE EXHAUST SYSTEM

Kohler Co., Kohler, WI (...

1. An exhaust system comprising:a muffler including a body with an internal volume, a first baffle and a second baffle located within the internal volume;
a first manifold including a bend located within the internal volume;
a second manifold including a bend located within the internal volume; and
a balance tube including an oxygen sensor, the balance tube in fluid communication with the first manifold and the second manifold
wherein the first manifold, the second manifold or the first and second manifolds extend through at least one first opening in the first baffle and at least one second opening in the second baffle.

US Pat. No. 10,393,000

FAILURE DETERMINATION APPARATUS FOR OXYGEN CONCENTRATION SENSOR

MITSUBISHI JIDOSHA KOGYO ...

1. A failure determination apparatus installed on a vehicle including an internal combustion engine, an injector for supplying fuel to a combustion chamber of the internal combustion engine, a catalyst provided in an exhaust system of the internal combustion engine, and an oxygen concentration sensor disposed downstream of the catalyst for outputting a value corresponding to an air-fuel ratio,the failure determination apparatus comprising:
a processor and a memory storing instructions that causes the processor to,
stop a fuel injection by the injector into the internal combustion engine under a no-load condition,
perform an enrichment control after stoppage of the fuel injection by supplying fuel by the injector,
count, after the start of the enrichment control, a time taken for an output value of the oxygen concentration sensor to rise from a first value to a second value,
calculate, by using a fuel supply amount from the injector, a difference between an actual fuel supply amount during the enrichment control and a fuel supply amount necessary for stoichiometric combustion,
further calculate, by using the difference, an average amount of the difference within a predetermine time during the enrichment control,
determine, by using the time, that the oxygen concentration sensor is normal, if the time is equal to or less than a first determination value,
further determine, when the oxygen concentration sensor is not determined to be normal, a permission or a prohibition of executing a failure determination of the oxygen concentration sensor, by comparing the average amount with a second determination value, wherein the execution of failure determination of the oxygen concentration sensor is permitted if the average amount exceeds the second determination value, whereas the execution is prohibited if the average amount is equal to or less than the second determination value, and
conclude that the oxygen sensor is failed when the permission of the execution of failure determination of the oxygen concentration sensor is determined.

US Pat. No. 10,392,999

METHOD AND SYSTEM FOR EXHAUST PARTICULATE MATTER SENSING

Ford Global Technologies,...

1. A method, comprising:streaming exhaust from downstream of a particulate filter into an exhaust sensor assembly via perforations positioned adjacent a bottom end of an outer device in a direction radially inward to a center of the outer device, the perforations fluidly coupling compartments of the outer device to an exhaust passage;
directing the exhaust towards an inner device located between the perforations and a sensor element, where the exhaust flows in a direction orthogonal to a flow of exhaust in the exhaust passage;
directing the exhaust past the inner device, over the sensor element, and into a dome of the exhaust sensor assembly; and then
directing the exhaust from the dome to the sensor element again.

US Pat. No. 10,392,998

COMBINING MODEL AND DELTA PRESSURE BASED SOOT LOAD ESTIMATES

PACCAR INC, Bellevue, WA...

1. A system for estimating an amount of soot in an exhaust particulate filter, comprising:(a) a delta P soot load estimate generator configured to generate a first soot load estimate as a function of a pressure drop and a mass flow of exhaust;
(b) a model estimate generator configured to generate a second soot load estimate as a function of a modeled engine performance;
(c) a trust factor generator configured to calculate a trust factor binary signal from at least one engine operating characteristic selected from engine rpm and engine load, wherein the trust factor binary signal is one of two values, wherein the first value represents a trusted delta P soot load estimate and the second value represents an untrusted delta P soot load estimate; and
(d) a decision generator that calculates the amount of soot in the exhaust particulate filter according to the first soot load estimate when the trust factor binary signal is the first value, and the decision generator calculates the amount of soot in the exhaust particulate filter according to the second soot load estimate when the trust factor binary signal is the second value.

US Pat. No. 10,392,997

METHOD FOR OPERATING AN EXHAUST GAS AFTERTREATMENT DEVICE OF A MOTOR VEHICLE

Ford Global Technologies,...

1. A method for operating an exhaust gas aftertreatment device for cleaning an exhaust gas flow of a motor vehicle, the motor vehicle including an internal combustion engine operable in at least a normal mode and a regeneration mode, wherein the internal combustion engine is operated with an oxygen surplus in the normal mode and is operated with a rich mixture during the regeneration mode, the exhaust gas aftertreatment device including an oxygen store and an NOx storage catalyst, wherein the oxygen store is downstream of the NOx storage catalyst such that exhaust gases received by the oxygen store have passed through the NOx storage catalyst, the method comprising:operating the internal combustion engine in the normal mode in which the oxygen store receives lean exhaust gas from the NOx storage catalyst;
absorbing, within the oxygen store, excess oxygen from the lean exhaust gas until the oxygen store is full;
switching operation of the internal combustion engine to the regeneration mode while the oxygen store is full;
operating the internal combustion engine in the regeneration mode to provide the NOx storage catalyst with rich exhaust gas; and
converting breakthrough hydrocarbons and/or carbon monoxide within exhaust gas received from the NOx storage catalyst during the regeneration mode by releasing oxygen from the oxygen store.

US Pat. No. 10,392,996

PARTICULATE DETECTION DEVICE

DENSO CORPORATION, Kariy...

1. A particulate detection device that detects an amount of exhaust particulates emitted from an internal combustion engine, the particulate detection device comprising:an insulation part that is located in an exhaust passage of the internal combustion engine and has an adhesion surface to which the exhaust particulates adhere;
a plurality of electrodes that are arranged to be distanced from each other on the adhesion surface;
an adhesion amount calculation section that calculates an adhesion amount of the exhaust particulates adhered to the insulation part based on an electrical resistance between two of the plurality of electrodes;
a heater that heats the insulation part; and
a controller that controls an operation of the internal combustion engine and an operation of the heater, wherein
the controller, in a normal control, controls an air/fuel ratio in the internal combustion engine to be a theoretical air/fuel ratio,
the controller, in a regeneration control,
controls the heater to increase a temperature of the insulation part and thereby removes the exhaust particulates, adhering to the insulation part, by burning the exhaust particulates, and
controls the air/fuel ratio to be lean as compared to the theoretical air/fuel ratio.

US Pat. No. 10,392,995

LIQUID PURIFICATION ELEMENT

Continental Automotive Gm...

1. A multi-layer liquid purification element, comprising:a liquid-permeable top layer;
a liquid-impermeable base layer having a suction port for drawing-in liquid through the liquid purification element;
a liquid-impermeable connection interconnecting at least said top layer and said base layer;
a filter layer disposed between said top layer and said base layer; and
two support layers being provided below said filter layer and having aligned passages, said aligned passages overlapping one another for defining an areal duct system.

US Pat. No. 10,392,994

REDUCTANT INJECTION EXHAUST MANIFOLD

Cummins, Inc., Columbus,...

1. An aftertreatment system, comprising;a first passageway having a first temperature;
a second passageway having a second temperature different than the first temperature;
a turbine disposed downstream from the first passageway and upstream from the second passageway, the turbine in fluidic communication with the first passageway and the second passageway, the turbine structured to receive an exhaust gas from the first passageway, generate energy using the exhaust gas flowing through the turbine and communicate the exhaust gas to the second passageway;
a valve coupled to each of the first passageway and the second passageway;
an insertion device fluidly coupled to the valve and configured to communicate an exhaust reductant into the valve;
a controller operatively coupled to the valve and configured to instruct the valve to selectively direct the exhaust reductant flow towards one of the first passageway or the second passageway; and
a selective catalytic reduction system configured to receive the exhaust gas from the second passageway and reduce the exhaust gas with the assistance of inserted exhaust reductant.

US Pat. No. 10,392,993

EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. An exhaust gas control apparatus for an internal combustion engine comprising:a selective reduction catalyst that is disposed in an exhaust passage of an internal combustion engine, and reduces a nitrogen oxide in exhaust gas with ammonia as a reducing agent;
a urea solution supply device that is installed at an upstream side of the selective reduction catalyst, and supplies a urea solution to the exhaust passage; and
a control device configured to control the urea solution supply device so that a urea solution in a target supply amount corresponding to a concentration of a nitrogen oxide flowing into the selective reduction catalyst is supplied to the selective reduction catalyst,
wherein the control device is further configured to
control the urea solution supply device so that a urea solution in a supply amount at an abnormality diagnosis time that is a larger supply amount than the target supply amount is supplied to the selective reduction catalyst,
diagnose presence or absence of abnormality of the selective reduction catalyst in accordance with an amount of ammonia that is discharged to a downstream side of the selective reduction catalyst, while the urea solution in the supply amount at the abnormality diagnosis time is supplied, and
control the urea solution supply device so that a supply amount of the urea solution becomes smaller than the target supply amount when an estimated amount of ammonia adsorbed by the selective reduction catalyst is larger than a reference adsorption amount, and an amount of a urea solution that is required in removal of nitrogen oxide per unit is smaller than a reference urea solution amount, after diagnosis of presence or absence of abnormality of the selective reduction catalyst.

US Pat. No. 10,392,992

EXHAUST GAS CLEANING SYSTEM AND MONITORING METHOD OF THE SAME

DOOSAN INFRACORE CO., LTD...

1. An exhaust gas cleaning system, comprising:a reducing agent injection module installed in an housing which is configured to be mounted in an exhaust pipe through which an exhaust gas is discharged from an engine, the reducing agent injection module being configured to inject a reducing agent into the housing;
a selective catalyst reduction device installed in rear of the reducing agent injection module and configured to catalytic react the reducing agent with nitrogen oxide included in the exhaust gas to reduce the nitrogen oxide;
a differential pressure sensor configured to detect a differential pressure between a pressure in the housing in front of the selective catalyst reduction device and a pressure of the housing in rear of the selective catalyst reduction device;
a first concentration sensor and a second concentration sensor respectively installed in front and rear of the selective catalytic reduction device, and configured to detect a concentration of nitrogen oxide within the housing; and
a controller configured to receive the pressure information from the differential pressure sensor and concentration information of nitrogen oxide from the first and second concentration sensors and calculate conversion efficiency of nitrogen oxide of the selective catalytic reduction device from the received concentration information, and to output a first warning signal when the calculated conversion efficiency is lower than a predetermined efficiency and the detected differential pressure is lower than a predetermined pressure, a second warning signal different from the first warning signal when the calculated conversion efficiency, is lower than the predetermined efficiency and the detected differential pressure is greater than a predetermined pressure and a third warning signal different from the first and second warning signals when the conversion efficiency is greater than the predetermined efficiency and the detected differential pressure is greater than the predetermined pressure.

US Pat. No. 10,392,991

AMMONIA SENSOR CONTROL, WITH NOX FEEDBACK, OF AN SCR AFTERTREATMENT SYSTEM

Cummins Inc., Columbus, ...

1. A method, comprising:determining an ammonia (NH3) reference target comprising a target amount of NH3 in an exhaust conduit between a first selective catalytic reduction (SCR) catalyst and a second SCR catalyst located in the exhaust conduit;
determining a present amount of NH3 in the exhaust conduit between the first SCR catalyst and the second SCR catalyst with an ammonia sensor;
determining an NH3 error term in response to the NH3 reference target and the present amount of NH3;
determining a reductant doser command in response to the NH3 error term;
determining an amount of NOx downstream of the second SCR catalyst, and adjusting one of the NH3 reference target and a reductant doser command in response to the amount of NOx downstream of the second SCR catalyst; and
injecting, with a reductant injector, an amount of reductant in response to the adjusted one of the NH3 reference target and the reductant doser command.

US Pat. No. 10,392,990

SYSTEMS AND METHODS FOR IDLE FUEL ECONOMY MODE

Cummins Inc., Columbus, ...

1. An apparatus comprising:a stored reductant determination circuit structured to determine an amount of stored reductant in a component of an exhaust aftertreatment system;
a fuel mode economy circuit structured to control an amount of reductant added to the exhaust aftertreatment system during a standard engine idle mode of operation based on the amount of stored reductant, wherein the fuel mode economy circuit is inhibited from controlling the amount of reductant added when the exhaust aftertreatment system performs a regeneration during the standard engine idle mode, and wherein the fuel mode economy circuit is structured to enter a fuel efficient engine idle mode in which the fuel mode economy circuit is inhibited from controlling the amount of reductant added during the fuel efficient engine idle mode in response to determining that a selective catalytic reduction bed temperature is above a predetermined selective catalytic reduction bed temperature threshold and in response to determining that an amount of time that the engine is in at least one of the standard engine idle mode and the fuel efficient engine idle mode is less than a fuel efficient idle time threshold.

US Pat. No. 10,392,989

AUTOMOTIVE EXHAUST AFTERTREATMENT SYSTEM HAVING AN AMMONIA DISTRIBUTOR

Faurecia Emissions Contro...

1. An exhaust aftertreatment system adapted for use in automotive applications, the system comprisinga selective catalytic reduction unit including a catalyst mounted in a housing,
an onboard ammonia gas generation unit, and
an ammonia gas distribution assembly, the ammonia gas distribution assembly including (i) an inlet that defines a passageway configured to carry exhaust gas from an automotive engine toward the selective catalytic reduction unit and (ii) a gas distributor fluidly coupled to the onboard ammonia gas generation unit and arranged to extend into the passageway of the inlet,
wherein the gas distributor is shaped to have a complete circular shaped portion with discharge holes therein for discharging ammonia gas from the onboard ammonia gas generation unit to the passageway of the inlet and a straight portion shaped to extend from a first attachment point along the inlet to a second attachment point along the inlet such that the straight portion of the gas distributor is simply supported relative to the inlet.

US Pat. No. 10,392,988

PRESSURE RELIEF SYSTEM FOR DIESEL EXHAUST FLUID FREEZE DAMAGE MITIGATION

GM GLOBAL TECHNOLOGY OPER...

1. A system for diesel exhaust fluid (DEF) pressure relief for a vehicle comprising:a DEF pump assembly in an interior of a DEF storage tank; and
a DEF shear structure fixed to a top portion of the DEF storage tank, wherein the DEF shear structure comprises:
a plurality of expansion channels extending from the top portion of the DEF storage tank toward the DEF pump assembly, the plurality of expansion channels having smooth walls configured to guide displaced frozen DEF away from the DEF pump assembly; and
wherein a distance between pairs of opposing interior walls in each of the expansion channels is greater near the top portion of the DEF storage tank than a distance between the pairs of opposing interior walls at an open end of the expansion channels near the DEF pump assembly.

US Pat. No. 10,392,986

EXHAUST PURIFICATION SYSTEM, AND CONTROL METHOD FOR EXHAUST PURIFICATION SYSTEM

ISUZU MOTORS LIMITED, To...

1. An exhaust purification system comprising:a NOx reduction catalyst which is provided on an exhaust passage of an internal combustion engine to reduce and purify NOx contained in exhaust gas which flows inside the exhaust passage;
a filter which is provided on the exhaust passage to collect particulate matters in the exhaust gas;
an injection system configured to inject a fuel; and
a controller configured to:
execute a catalyst regeneration control for restoring the NOx reduction catalyst from sulfur poisoning by increasing a temperature of the exhaust gas to a predetermined first target temperature at which sulfur oxides contained in the exhaust gas are desorbed through an injection system control which controls the injection system to increase at least a fuel injection amount of the fuel;
prohibit an execution of the catalyst regeneration control according to an operating state of the internal combustion engine when a catalyst temperature of the NOx reduction catalyst is decreased below a predetermined second target temperature which is lower than the first target temperature by controlling the fuel injection amount during a period of time during which the execution of the catalyst regeneration control is prohibited;
execute a catalyst temperature retention control for maintaining the temperature of the exhaust gas at the second target temperature; and
execute a filter regeneration control in which the temperature of the exhaust gas is raised to a combustion temperature of the particulate matters collected on the filter by increasing the fuel injection amount,
wherein the second target temperature which is used for the catalyst temperature retention control is set at the combustion temperature of the particulate matters.

US Pat. No. 10,392,985

EXHAUST PURIFICATION SYSTEM

ISUZU MOTORS LIMITED, To...

1. An exhaust purification system comprising:an NOx reduction catalyst, which is provided in an exhaust system of an internal combustion engine and reduces and purifies NOx in an exhaust gas;
a temperature detection sensor, which is provided in the exhaust system of the internal combustion engine and detects a temperature of the exhaust gas; and
a controller, which executes a catalyst regeneration to recover an NOx purification capacity of the NOx reduction catalyst,
wherein when the catalyst regeneration is executed, the controller:
alternately executes a rich control, in which an exhaust air fuel ratio is set to a rich state to raise a temperature of the NOx reduction catalyst to a predetermined target temperature, and a lean control, in which the exhaust air fuel ratio is set to a lean state to lower the temperature of the NOx reduction catalyst, and sets an execution period of the lean control by a PID control, based on a deviation between a catalyst temperature acquired, based on the temperature of the exhaust gas detected by the temperature detection sensor at a timing at which the previous rich control is switched to the lean control, and the target temperature,
executes the rich control by using a post injection or an exhaust pipe injection, and sets a post injection amount or an exhaust pipe injection amount based on an intake air amount of the internal combustion engine, a predetermined target excess-air-ratio, and a fuel injection amount of the internal combustion engine, and
sets a value, which is obtained by subtracting the fuel injection amount of the internal combustion engine from a value obtained by dividing the intake air amount of the internal combustion engine by a product of the target excess-air-ratio, a fuel specific gravity, and a theoretical air-fuel ratio, as the post injection amount or the exhaust pipe injection amount.

US Pat. No. 10,392,984

NOX REDUCTION CONTROL METHOD FOR EXHAUST GAS AFTERTREATMENT DEVICE

ISUZU MOTORS LIMITED, To...

1. An NOx reduction control method for an exhaust gas aftertreatment device having an oxidation catalyst and an LNT catalyst which are disposed in an exhaust pipe and repeating an adsorption or occlusion of NOx which is executed when an air-fuel ratio is in a lean state and a reduction of NOx which is executed when the air-fuel ratio is in a rich state, the method comprising:executing a post-injection of fuel or an exhaust pipe injection of fuel and causing HC to be adsorbed in the oxidation catalyst when an exhaust gas temperature is lower than a catalyst activation temperature; and
after executing the port-injection of fuel or the exhaust pipe injection, causing the HC, which is adsorbed in advance by the oxidation catalyst, to be desorbed from the oxidation catalyst and reducing an adsorbed NOx in the LNT catalyst by raising the exhaust gas temperature when the exhaust gas temperature exceeds the catalyst activation temperature and it is instructed that the air-fuel ratio is caused to be in the rich state.

US Pat. No. 10,392,983

CONSTRUCTION MACHINE

Hitachi Construction Mach...

1. A construction machine comprising:an automotive vehicle body;
an engine that is mounted on said vehicle body;
an exhaust gas purifying device that is connected to an exhaust pipe of said engine and includes a urea selective reduction catalyst that removes a nitrogen oxide in an exhaust gas;
a urea water injection valve that is provided in said exhaust gas purifying device and injects urea water that is a reducing agent to the upstream side of said urea selective reduction catalyst;
a urea water tank that stores the urea water to be supplied to said urea water injection valve;
a urea water pump that supplies the urea water that is stored in said urea water tank toward said urea water injection valve;
a suction pipeline that is provided so as to connect said urea water tank and said urea water pump to each other and through which the urea water that is sucked from said urea water tank toward said urea water pump flows;
a return pipeline that is provided so as to connect said urea water pump and said urea water tank to each other and through which the urea water that is returned from said urea water pump toward said urea water tank flows; and
a supply pipeline that is provided so as to connect said urea water pump and said urea water injection valve to each other and through which the urea water that is supplied toward said urea water injection valve by said urea water pump flows, characterized in that:
said return pipeline is formed as a heater-equipped return pipeline that is equipped with a heater adapted to heat the urea water therein,
said suction pipeline is formed as a normal suction pipeline that is not equipped with said heater, and
said heater-equipped return pipeline and said normal suction pipeline are disposed in parallel in a state of contact with each other.

US Pat. No. 10,392,982

EMISSIONS CONTROL SUBSTRATE

DENSO International Ameri...

8. A method for heating a substrate of an emissions control assembly comprising:measuring pressure of exhaust gas present in an exhaust system via a pressure sensor, at least one of proximate to and distal to an emissions control substrate of the exhaust system when the substrate is a particulate matter filter;
measuring temperature of exhaust gas within the exhaust system and temperature of the substrate when the substrate is a catalytic converter via at least one temperature sensor;
when the substrate is the particulate matter filter, activating a heating element configured to heat the substrate when the measured pressure is greater than a predetermined pressure; and
when the substrate is the catalytic converter, activating the heating element when the measured temperature of exhaust gas is less than a lightoff temperature of a catalyst of the catalytic converter;
wherein the substrate defines a plurality of channels that are configured to receive engine exhaust gas passing through the substrate, the plurality of channels define first openings at a first end of the substrate that is an upstream end through which exhaust gas enters the substrate and second openings at a second end of the substrate that is a downstream end through which exhaust gas exits the substrate, the first end is opposite to the second end, an exterior surface of the substrate extends between the first end and the second end;
wherein the heating element is at the exterior surface of the substrate, the heating element includes a plurality of electrodes spaced apart about a flexible ceramic plate curved to match the exterior surface of the substrate; and
wherein the flexible ceramic plate is to retain heat within the substrate, the flexible ceramic plate includes a first portion covering a first half of the exterior surface of the substrate, and a second portion covering a second half of the exterior surface of the substrate.

US Pat. No. 10,392,981

EXHAUST PURIFICATION SYSTEM, AND CONTROL METHOD FOR EXHAUST PURIFICATION SYSTEM

ISUZU MOTORS LIMITED, To...

1. An exhaust purification system comprising:a NOx-occlusion-reduction-type catalyst that is provided in an exhaust system of an internal combustion engine and occludes NOx in exhaust flowing in the exhaust system when the exhaust is in a lean state and reduces and purifies the occluded NOx when the exhaust is in a rich state; and
a controller configured to execute:
a catalyst regeneration processing executing process for executing catalyst regeneration processing of enriching the exhaust and reducing and purifying the NOx occluded in the NOx-occlusion-reduction-type catalyst;
a prohibition process for, when at least one of a plurality of prohibition conditions is fulfilled, prohibiting execution of the catalyst regeneration processing by the catalyst regeneration process even when a catalyst regeneration processing start request is issued, and
a continuing process for, when a specific prohibition condition, which is a part of the plurality of prohibition conditions, is fulfilled during the execution of the catalyst regeneration processing, continuing the catalyst regeneration processing by the catalyst regeneration process without executing the prohibition process, by invalidating the prohibition process.

US Pat. No. 10,392,980

METHODS AND SYSTEMS FOR A DIESEL OXIDATION CATALYST

Ford Global Technologies,...

1. A method of treating emissions from diesel combustion comprising:passing diesel combustion exhaust gas over a diesel oxidation catalyst having a washcoat comprising zirconium oxide, palladium oxide, and at least one base metal oxide,
the washcoat coated on a surface of a substrate with the at least one base metal oxide coated to a downstream portion of the substrate in a greater amount than coated to an upstream portion and the palladium oxide coated to the upstream portion of the substrate in a greater amount than coated to the downstream portion, downstream referring to an axial direction of exhaust gas flow, and where the palladium oxide is 0.5-3 weight percent of the washcoat.

US Pat. No. 10,392,979

INNER FIN FOR HEAT EXCHANGER

Tokyo Radiator MFG. Co., ...

1. An inner fin for a heat exchanger which performs heat exchange of a gas, the inner fin being inserted into a tube in which a space is flat between an upper plate part and a lower plate part, whereina plate is made up of a top part that is in contact with the upper plate part of the tube, a bottom part that is in contact with the lower plate part of the tube, and a wall plate part that partitions a space between the top and bottom parts, and a channel having a concave-shaped cross section and a channel having an inverted concave-shaped cross section are alternately repeated as channels of the gas by a pair of the wall plate parts facing each other;
the wall plate part for each of the channels has a shape in which the wall plate part is bent left and right in a serpentine shape and projected and recessed parts thereof are alternately repeated and formed; and
the recessed part of the wall plate part is formed with a chevron-shaped part made up of an upward slope part that bulges in a direction of the wall plate part facing the wall plate part and ranges from a base part to the top part and a downward slope part that passes downward from the top part to a neighboring base part.

US Pat. No. 10,392,978

FILTERING OF A FLOW OF GAS/PARTICLES

Safran Transmission Syste...

1. A filtering device to be integrated into a turbine engine for filtering a flow of gas conveying liquid or solid particles in said turbine engine, said device comprising:a flow channel comprising a neck extended by an enlargement in a downstream direction,
a recovery channel having an upstream opening arranged inside the flow channel so as to be substantially aligned with the neck in the downstream extension thereof,
with the recovery channel and the flow channel being se configured so that a flow allowed to circulate in the recovery channel is less than a flow allowed to circulate in the flow channel,
wherein obstacles to the flowing of particles are formed in the flow channel downstream from the upstream opening of the recovery channel,
wherein the obstacles to the flowing of particles comprise a buffer mounted across the flow channel,
where the buffer comprises several transversal walls successively formed through the flow channel and comprising respective not aligned openings, and said walls include an intermediate wall being formed opposite a duct for the suction of the particles opening into the flow channel.

US Pat. No. 10,392,977

AUTOMOTIVE LUBRICANT PUMPING SYSTEM WITH TWO PIECE RELIEF VALVE

SLW Automotive Inc., Sal...

1. A lubrication pumping system for an oil lubricated engine of an automotive vehicle comprising:a pump with an outlet and an inlet,
a two piece relief valve having a valve housing with a multi-dimensional bore having a first section axially intersecting with a second section, said first section has axially separated fluid connections for said pump outlet, said pump inlet, and a pilot pressure, said second section being connected with an engine oil pressure connection axially separated from said pilot pressure connection of said first section;
a pressure mode selection valve connected with said pilot pressure connection for selectively connecting said pilot pressure connection with an engine oil pressure and a sump;
a primary piston slidably mounted in said first section having a first landing metering flow to said pump inlet connection and a second landing dividing said first section exposed to said pump outlet connection from said first section exposed to said pilot pressure connection, said primary piston being spring biased in a direction toward said second section; and
a secondary piston slidably mounted in said second section dividing said second section exposed to said engine pressure connection from said second section exposed to said first section, said secondary piston being acted upon by said engine oil pressure, said pilot pressure and said primary piston to position said primary piston to control flow from said pump inlet connection to said pump outlet connection, wherein said primary piston and said secondary pistons have faces fronting each other having semi uni-point contact.

US Pat. No. 10,392,976

CONTINUOUSLY VARIABLE VALVE LIFT SYSTEM AND AUTOMOBILE

GUANGZHOU AUTOMOBILE GROU...

1. A continuously variable valve lift system, comprising a driving swing arm, a camshaft and a valve structure, the valve structure comprising a roller rocker arm and a valve connected to the roller rocker arm, the driving swing arm having a driving surface, the driving surface contacting with the roller rocker arm to drive the valve to perform a reciprocating movement, wherein the continuously variable valve lift system further comprises a middle shaft, an adjusting member and an adjusting swing arm, the driving swing arm, the adjusting member and the adjusting swing arm are sleeved on the middle shaft and are respectively capable of swinging around the middle shaft, the driving swing arm is provided with a first connecting part, the adjusting member is provided with a second connecting part, the adjusting swing arm is provided with a third connecting part, the first connecting part, the second connecting part and the third connecting part are arranged sequentially along a circumferential direction of the middle shaft, the second connecting part is located between the first connecting part and the third connecting part, two sides of the second connecting part abut against the first connecting part and the third connecting part, respectively, the second connecting part abuts against the third connecting part to form a spiral surface therebetween, the adjusting member is further capable of sliding along an axial direction of the middle shaft, the camshaft contacts with the adjusting swing arm.

US Pat. No. 10,392,975

EXHAUST GAS DIFFUSER WITH MAIN STRUTS AND SMALL STRUTS

General Electric Company,...

18. An industrial gas turbine comprising:a compressor,
a combustor,
one or more turbine stages, and
an exhaust duct arranged along a turbine rotor axis, said exhaust duct incorporating a diffuser having a radially-outer peripheral casing;
a center body or hub located within said radially outer peripheral casing;
main struts located at circumferentially-spaced locations about said center body or hub and extending radially-outwardly to an outer peripheral casing; and
small struts located at circumferentially-spaced locations between said main struts along a circumferential direction perpendicular to an axis of the center body or hub,
wherein a gap separating each of the small strut from a nearest main strut is constant from the center body or hub to the radially-outer peripheral casing,
wherein each of the small struts have a cross-sectional area smaller than a cross-sectional area of at least one of the main struts, said main struts and the smaller struts have chord lines parallel to the axis of the center body or hub, and
wherein a circumferential distance between each of said small struts and a nearest one of the main struts along the direction perpendicular to the axis does not exceed ten inches, wherein the circumferential distance is measured at the center body or the hub.

US Pat. No. 10,392,974

MID-TURBINE FRAME ASSEMBLY

UNITED TECHNOLOGIES CORPO...

6. A gas turbine engine comprising:a mid-turbine frame located axially between a first turbine and a second turbine, the mid-turbine frame comprising:
an inner frame case including a fastener opening;
a tie rod including a tie rod flange having a bushing opening and a projecting portion extending from the tie rod flange;
a threaded bushing at least partially located within the bushing opening, wherein the threaded bushing includes a cylindrical portion extending from a bushing flange and the cylindrical portion is located within the bushing opening and the bushing flange is spaced from the bushing opening, wherein the bushing flange includes a tab for engaging the projecting portion of the tie rod to prevent the bushing from rotating, wherein the tab includes an edge having a radius that is larger than a radius of an edge of the bushing flange opposite the tab; and
a fastener extending through the fastener opening and engaging the bushing.

US Pat. No. 10,392,973

POSITIONING DEVICE, ROTARY MACHINE COMPRISING SAME, AND POSITIONING METHOD

MITSUBISHI HITACHI POWER ...

1. A positioning device that positions an inner member, which is disposed on an inner circumferential side of an outer member and extends in a circumferential direction around an axis, relative to the outer member, which extends in the circumferential direction around the axis, the positioning device comprising:a pin that is inserted into a pin insertion hole and a groove, the pin insertion hole penetrating the outer member from an outer circumferential side of the outer member to the inner circumferential side of the outer member, and the groove being concave from an outer circumferential side of the inner member to an inner circumferential side of the inner member;
a liner holder that comes in contact with a groove side surface of the groove; and
a liner that is disposed between the liner holder and the pin in the groove,
wherein the pin includes an insertion portion that is inserted into the pin insertion hole of the outer member and a groove insertion portion that is inserted into the groove of the inner member;
the liner holder includes a first liner holder that is disposed between a first groove side surface of a pair of groove side surfaces facing each other in the groove and the groove insertion portion of the pin, and a second liner holder that is disposed between a second groove side surface of the pair of groove side surfaces and the groove insertion portion of the pin;
the liner is disposed in at least one space of a space between the groove insertion portion and the first liner holder and a space between the groove insertion portion and the second liner holder;
a pair of liner contact surfaces that face opposite sides and engaging portions having a concave shape or a convex shape with respect to the pair of liner contact surfaces are formed in the groove insertion portion of the pin; and
a groove contact surface that comes in contact with the groove side surface, a liner contact surface that faces the opposite side from the side which the groove contact surface faces, and an engaged portion that has a convex shape or a concave shape with respect to the liner contact surface to engage with the engaging portion, are formed in the liner holder.

US Pat. No. 10,392,972

LINER ELEMENT FOR A TURBINE INTERMEDIATE CASE

MTU Aero Engines AG, Mun...

1. A liner element of a hot-gas-conveying duct of a turbine intermediate case of a gas turbine, the liner element comprising:a first, axially forward connecting portion;
a second, axially rearward connecting portion;
a central portion connected to the first connecting portion and the second connecting portion and located therebetween in the axial direction; the central portion having an outer surface facing away from the duct; and
the first connecting portion being couplable to axially forward components of the turbine intermediate case or gas turbine, and the second connecting portion being couplable to axially rearward components of the turbine intermediate case or gas turbine,
the central portion having at least one first reinforcement portion projecting in a direction away from the duct and extending substantially straight between an axial forward end and an axial rearward end; at least one of the axial forward and axially rearward ends being adjoined by a second reinforcement portion projecting in a direction away from the duct and extending inclinedly or curvedly relative to a straight-line extent of the first reinforcement portion;
the first reinforcement portion and the second reinforcement portion together forming a reinforcing element; an entirety of the reinforcing element being disposed within the outer surface of the central portion.

US Pat. No. 10,392,971

NACELLE

ROLLS-ROYCE plc, London ...

1. A nacelle for a turbofan gas turbine engine comprising in flow series an intake lip, a diffuser and a fan casing, the diffuser having, in flow series, a main section and a recessed section adjacent to the fan casing, wherein a transition region is provided between the main section and the recessed section, wherein the nacelle is provided with an arrangement to supply pressure in a region of either or both of the transition region and the recessed section, a surface of the transition region comprising either or both of a gradient and a profile, and an axial length of the transition region being less than a radial depth of the recessed section, and wherein a wall of the transition region includes one or more first openings, and wherein a wall of the recessed region includes one or more second openings.

US Pat. No. 10,392,968

TURBINE CASING COOLING STRUCTURE

UNITED TECHNOLOGIES CORPO...

1. A turbine casing, comprising:a casing body; and
a heat pipe disposed in the casing body, the heat pipe including a vaporization section and a condensation section, wherein the vaporization section is located forward the condensation section with respect to an engine central longitudinal axis, and wherein the vaporization section is located in a first turbine region of the casing body, and wherein the condensation section is located in a second turbine region of the casing body.

US Pat. No. 10,392,967

COMPLIANT SEAL COMPONENT AND ASSOCIATED METHOD

General Electric Company,...

1. A compliant seal component comprising:a convoluted portion; and
a plurality of end portions spaced apart from each other, wherein the plurality of end portions is joined to the convoluted portion, wherein an end portion of the plurality of end portions comprises a first section and a second section, the second section defining a plenum, wherein the end portion further comprises a plurality of inlet holes and a plurality of outlet holes,
wherein the plurality of inlet holes is configured to direct a portion of a cooling fluid to the plenum, wherein the portion of the cooling fluid in the plenum is configured to cool the end portion, and wherein the plurality of outlet holes is configured to discharge the portion of the cooling fluid from the plenum.

US Pat. No. 10,392,966

RETAINING RING END GAP FEATURES

UNITED TECHNOLOGIES CORPO...

1. A retaining ring for use in a gas turbine engine, the retaining ring comprising:a first leg that is axially extending and includes:
a first face that faces a radial direction and is configured to radially position the retaining ring proximate a cover plate;
a second leg that is radially extending and includes:
a second face that faces a first axial direction to face the cover plate, the second face being adjacent the first face; and
a third face that faces a second axial direction to face a rotating disc;
a first circumferential end, wherein the first leg has a first circumferential edge and the second leg has a second circumferential edge;
a surface contour defined by one or more of:
a radially extending contour in one or more of:
the second circumferential edge, the second face proximate the first circumferential end, and the third face proximate the first circumferential end; and
an axially extending contour in one or more of:
the first circumferential edge, and the first face proximate the first circumferential end.

US Pat. No. 10,392,965

SPLITTER NOSE OF A LOW-PRESSURE COMPRESSOR OF AN AXIAL TURBOMACHINE WITH ANNULAR DEICING CONDUIT

Safran Aero Boosters SA, ...

1. A splitter nose of an axial turbomachine, said splitter nose comprising:an annular casing that forms an annular cavity and a circular separation edge of an air flow of the turbomachine; and
an annular conduit that is arranged in the annular cavity, the annular conduit being configured to de-ice the separation edge by circulation of hot air in the cavity, and the conduit comprises an air inlet that is structured and operable to be connected to a hot air supply pipe of the turbomachine, the air inlet forming a first zone; wherein
the conduit is connected to the casing only in a second zone, diametrically opposite the air inlet, and in the region of the air inlet, the second zone forming an angular portion of the annular conduit that is less than 60° so as to allow expansion deformations of the conduit.

US Pat. No. 10,392,964

TURBINE ENGINE FLEET WASH MANAGEMENT SYSTEM

Rolls-Royce Corporation, ...

1. An engine cleaning optimizer embodied in one or more machine accessible storage media and comprising instructions executable by a computing system comprising one or more computing devices to cause the computing system to:periodically receive instances of engine health monitoring data produced by a turbine engine during operation of the turbine engine;
with the instances of engine health monitoring data, calculate an engine health parameter;
with the engine health parameter:
compute an indicator of engine performance degradation;
compute an indicator of fuel consumption; and
with the fuel consumption indicator, estimate a carbon credit that would result from cleaning the turbine engine;
with the engine performance degradation indicator, the fuel consumption indicator, and the estimated carbon credit, generate an optimized cleaning schedule; and
initiate discharge of a foamed cleaning agent into the turbine engine in accordance with the optimized engine cleaning schedule.

US Pat. No. 10,392,963

SYSTEMS AND METHODS RELATED TO TRANSMITTING AND RECEIVING SENSOR DATA

General Electric Company,...

1. A system for transmitting data originating from sensors that periodically measure respective operating parameters for generating respective measured values thereof, wherein the operating parameters describe respective physical aspects of an operation of an industrial machine, and wherein the data is transmitted in discrete data packets that each comprises at least one of the measured values, the system comprising:a transmitting device communicatively linked to each of the sensors, wherein the transmitting device is configured to transmit the measured values within the data packets in accordance with a transmittal protocol;
a receiving device that receives the measured values transmitted within the data packets from the transmitting device, wherein the receiving device processes the received measured values in accordance with a receiving protocol;
one or more hardware processors; and
a machine-readable storage medium on which is stored instructions that cause the one or more hardware processors to execute the transmittal protocol and the receiving protocol;
wherein the measured values each comprises at least the following information: the operating parameter that was measured; a value of the measurement; and a measurement time indicating a time when the measurement was made;
wherein the transmittal protocol comprises the transmitting device applying the following steps to the measured values of the operating parameters provided to the transmitting device by each of the sensors, as exemplified with reference to a first sensor of the sensors:
determining a most recent measured value for the first sensor;
selecting previous measured values for the first sensor, the previous measured values each comprising ones of the measured values that occur previous to the most recent measured value based on the respective measurement times;
comparing the most recent measured value to the previous measured values to determine a difference therebetween; and
conditionally transmitting the most recent measured value based on the difference;
wherein the receiving protocol comprises the steps of:
determining a most recent received measured value for each of the sensors;
deriving an analytic time based the most recent received measured values for each of the sensors; and
deriving a time-aligned value for at least one of the operating parameters measured by the sensors at the analytic time.

US Pat. No. 10,392,962

ROTOR BLADE DAMAGE

ROLLS-ROYCE plc, London ...

1. A rotor assembly in a gas turbine engine, the rotor assembly comprising:a rotor having an annular array of rotor blades, the rotor being mounted to a shaft;
a phonic wheel coupled to the shaft;
a first speed sensor axially aligned with the phonic wheel and configured to measure voltage, an amplitude of the measured voltage being proportional to a clearance between the first speed sensor and the phonic wheel; and
a processor configured to:
receive the measured voltage from the first speed sensor;
derive a shaft speed from the measured voltage;
identify modulation of the amplitude of the measured voltage at a frequency that is an integer multiple of the shaft speed, the modulation of the amplitude of the measured voltage being caused by variations in the clearance resulting from radial movement of the shaft;
compare the amplitude of the measured voltage to a normal rotor amplitude, the normal rotor amplitude being a constant amplitude level over time;
determine a difference between the amplitude of the measured voltage and the normal rotor amplitude;
compare a magnitude of the determined difference to a threshold value; and
output a rotor damage signal based on a result of the comparison of the magnitude of the determined difference to the threshold value.

US Pat. No. 10,392,961

NOZZLE BLADE DESIGN FOR A VARIABLE NOZZLE TURBINE

Ford Global Technologies,...

1. A nozzle blade for a turbine nozzle of a variable geometry turbine, comprising:a cambered outer surface that curves from an inlet end to an outlet end of the nozzle blade, relative to a chord of the nozzle blade, the chord having a chord length defined from the inlet end to the outlet end, the nozzle blade having an aspect ratio in a range of 1.54 to 2.95, a thickness that is greatest in a range of 47% to 61% of the chord length.

US Pat. No. 10,392,960

INTEGRALLY FORMED TUBULAR TURBINE COMPRISING FRUSTOCONICALLY-FACED ANNULAR FLOW PATHWAY

Tendeka AS, Stavanger (N...

1. A turbine configured to be formed integrally with a tubular, for extracting energy from fluid flowing along a fluid channel, the turbine comprising;a flow pathway in communication with the fluid channel, such that fluid from the fluid channel may flow to and from the flow pathway, the flow pathway extending in an annulus around the fluid channel, and separated from the fluid channel by an internal body portion, the internal body portion having a reduced diameter section having a frustoconical upstream face and a frustoconical downstream face, the frustoconical upstream face being provided with a plurality of angled inlets to the flow pathway and the frustoconical downstream face being provided with a plurality of angled outlets from the flow pathway; and
a moveable element disposed around the fluid channel, in the flow pathway;
the moveable element moveable under action of fluid flowing along the flow pathway so as to extract energy therefrom,
wherein fluid from the fluid channel passes through the plurality of angled inlets into the flow pathway, along the flow pathway, and exits the flow pathway through the plurality of angled outlets, back into the fluid channel.

US Pat. No. 10,392,959

HIGH TEMPERATURE FLAME SENSOR

GENERAL ELECTRIC COMPANY,...

1. A flame sensor apparatus for flame sensing within a turbine, the flame sensor apparatus including:a sensor assembly entirely located within the turbine at a first location, which is within the turbine, having a first, relatively elevated temperature, the sensor assembly including a photodiode, at the first location, for sensing characteristics of a flame within a combustion chamber of the turbine, the photodiode outputting an electrical photocurrent that has an electrical current value that is indicative of the characteristics of the flame and the sensor assembly including an electrical wire, at the first location, electrically connected to the photodiode to receive the electrical photocurrent output from the photodiode and electrically convey the electrical photocurrent, the sensor assembly including a lens and a wave spring positioned between the photodiode and the lens, the wave spring configured to allow the lens to travel in an axial direction within the sensor assembly in response to vibrational forces present at the first location;
an electrical assembly that is electrically remote from the sensor assembly at a second location having a second temperature relatively lower than the first temperature at the first location; and
an electric cable assembly extending from the sensor assembly, at the first location, to the electrical assembly, at the second location, and transitioning from the first location having the relatively elevated temperature to the second location having the relatively lower temperature, the electric cable assembly including an electrical cable electrically connected to the electrical wire of the sensor assembly and being configured to electrically convey the photocurrent, that is indicative of the characteristics of the flame, from the photodiode, and electrically conveyed by the electrical wire of the sensor assembly, to the electrical assembly.

US Pat. No. 10,392,958

HYBRID BLADE OUTER AIR SEAL FOR GAS TURBINE ENGINE

UNITED TECHNOLOGIES CORPO...

1. A Blade Outer Air Seal (BOAS) comprising:a body including a face opposite a forward interface and an aft interface, said face including a cavity;
a non-metallic insert within said cavity such that said non-metallic insert is flush with said face; and
an intermediate bonding layer between said cavity and said non-metallic insert, wherein the intermediate bonding layer is a functionally graded material (FGM), and wherein the intermediate bonding layer is 100% metal alloy adjacent the cavity and 100% non-metal adjacent the non-metallic insert.

US Pat. No. 10,392,957

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

Rolls-Royce Corporation, ...

1. A turbine shroud segment adapted for use in a gas turbine engine, the turbine shroud segment comprisinga carrier segment comprising metallic materials,
a blade track segment comprising ceramic matrix composite materials, the blade track segment formed to include a runner shaped to extend partway around a central axis and an attachment portion that extends radially outward from the runner, and
a mounting system configured to couple the blade track segment to the carrier segment, the mounting system including a brace formed to include a bracket that engages the attachment portion of the blade track segment and a plurality of attachment shafts that extend from the bracket through the carrier to couple the blade track segment to the carrier segment,
wherein the bracket of the brace includes a support body from which the plurality of attachment shafts extend, track-location arms that engage the attachment portion of the blade track segment and provide rigid loading points for the blade track segment, and load-distribution arms that engage the attachment portion of the blade track segment, and wherein the load-distribution arms are configured to be less rigid than the track-location arms so that the load-distribution arms provide spring load points that distribute mounting loads applied to the blade track segment to locations spaced apart from the rigid loading points provided by the track-location arms.

US Pat. No. 10,392,956

SEALING SYSTEM FOR A STEAM TURBINE, AND STEAM TURBINE

Siemens Aktiengesellschaf...

1. A sealing system for sealing a sealing gap between an outer casing and a rotor shaft of a rotor of a steam turbine, comprising:a barrier medium wall to create a barrier medium space between the rotor shaft and the outer casing in a region in front of and/or in the sealing gap, wherein the barrier medium wall is attached to the outer casing,
a barrier medium opening in the barrier medium wall for supplying barrier medium from outside into the barrier medium space at a first pressure,
a shaft seal for sealing the barrier medium space with respect to a second space in which a second pressure, smaller than the first pressure, prevails, and
a floating ring seal for sealing the barrier medium space with respect to a third space in which a third pressure, smaller than the second pressure, prevails,
wherein the shaft seal and the floating ring seal are set apart from each other along the rotor shaft by a portion of the rotor shaft that bounds the barrier medium space.

US Pat. No. 10,392,955

TURBOMACHINE FAN FRAME COMPRISING IMPROVED ATTACHMENT MEANS

SAFRAN AIRCRAFT ENGINES, ...

1. A turbomachine fan frame comprising:a central hub, and an outer wheel forming structural elements of the fan frame;
a plurality of radial vanes installed on the hub and on the wheel that are distributed around the hub, each vane comprising a radial end at which the vane is fixed to one of the structural elements;
a plurality of flow stream reconstitution platforms, each platform being installed between the radial ends of two adjacent vanes and radially at a distance from said structural element to which the platform is fixed; and
a support element associated with each platform that is located between the associated platform and the structural element and that is arranged between said radial ends of the two adjacent vanes,
wherein the support element comprises
first and second cleats for attachment of the support element onto the structural element, the first and second cleats each including an attachment surface located in a first plane which is perpendicular to a radial direction, and
a plate located in a second plane parallel to and offset from said first plane in the radial direction on which the associated platform will be mounted.

US Pat. No. 10,392,954

CLAMPING SEAL FOR JET ENGINE MID-TURBINE FRAME

United Technologies Corpo...

1. A mid-turbine frame (“MTF”) for a jet engine comprising:a duct that extends between a high pressure jet engine turbine (“HPT”) and a low pressure jet engine turbine (“LPT”), the duct comprising a plurality of segments that together form an outer annular structure and an inner annular structure, each segment having a first tenon that defines a first axial terminus of each segment, a second tenon that defines a second axial terminus of each segment and a channel extending axially along an axial length of each segment
the inner annular structure is situated radially inward of the outer annular structure; and
a plurality of vanes that extend radially outward from the inner annular structure toward the outer annular structure,
wherein each segment is coupled to an adjacent segment by a seal having a male member and a female member, and
wherein a tortuous gutter is partially defined by the first axial terminus of each
segment and the male member of each seal.

US Pat. No. 10,392,953

RING SEAL ARRANGEMENT

United Technologies Corpo...

1. A ring seal assembly comprising:a first ring seal that is symmetrical with respect to a radially extending plane;
a second ring seal separated from the first ring seal by a spring, the second ring seal includes a first inner circumferential surface, and an interference feature extends radially inward from the first inner circumferential surface to a second inner circumferential surface, the second ring seal includes axially outer surfaces spaced laterally from one another, the interference feature is provided by an annular flange proximate to one of the axially outer surfaces.

US Pat. No. 10,392,952

OUTPUT DIRECTOR VANE FOR AN AIRCRAFT TURBINE ENGINE, WITH AN IMPROVED LUBRICANT COOLING FUNCTION USING A HEAT CONDUCTION MATRIX HOUSED IN AN INNER DUCT OF THE VANE

SAFRAN AIRCRAFT ENGINES, ...

1. A guide vane to be arranged in all or part of an air flow of an aircraft turbine engine fan with dual flow, the guide vane comprising:a foot,
a head,
an aerodynamic part for straightening the flow arranged between the foot and the head of the vane, said aerodynamic part of the vane comprising a first inner duct for lubricant cooling extending in a first main direction of lubricant flow from the foot to the head of the vane, said first inner duct being partly bounded by a pressure side wall and a suction side wall of the vane,
a first heat conduction matrix housed in said first inner duct and including rows of main heat transfer fins succeeding each other in the first direction parallel to the direction that such main fins extend, these being spaced from each other in the first direction as well as in a transverse direction of the vane from a leading edge to a trailing edge of its aerodynamic part so that at least some of the said main fins are laid out significantly staggered, and wherein each row includes junction fins, each junction fin connecting two of said main fins directly in a consecutive manner in the transverse direction, said junction fins being alternatively in inner contact with the pressure side wall and the suction side wall in order to form, with the main fins that they connect, a transverse structure in a general cradle form.

US Pat. No. 10,392,951

VANE ASSEMBLY WITH TRAPPED SEGMENTED VANE STRUCTURES

United Technologies Corpo...

1. A vane assembly comprising:inner and outer rings;
a plurality of segmented vane structures circumferentially-spaced around a central axis and between the inner and outer rings, each of the plurality of segmented vane structures including an airfoil and inner and outer platforms;
at least one distinct intermediate platform radially trapped between one of the inner and outer platforms and one of the inner and outer rings, wherein the at least one distinct intermediate platform includes one or more interference-fit members configured to secure the plurality of segmented vane structures to at least one of the inner and outer rings;
at least one spring radially between the plurality of segmented vane structures and at least one of the inner and outer rings mechanically trapping the plurality of segmented vane structures in radial compression between the inner and outer rings; and
wherein the inner and outer rings have a coefficient of thermal expansion differential selected with respect to thermo-mechanically trapping the plurality of segmented vane structures in radial compression between the inner and outer rings.

US Pat. No. 10,392,949

GAS TURBINE ENGINE WITH REINFORCED SPINNER

United Technologies Corpo...

1. A spinner for a gas turbine engine comprising:an outer shell for defining an airflow path when mounted in a gas turbine engine;
an inner surface, said inner surface being provided with a plurality of webs;
said plurality of webs extending from said inner surface of said spinner and from an upstream ring to a downstream ring, and said upstream and downstream rings also extend inwardly from said inner surface of said spinner;
said webs, said upstream ring and said downstream ring being formed as a separate part from said outer shell; and
said webs and said outer shell are formed of different materials.

US Pat. No. 10,392,948

METHODS AND ARTICLES RELATING TO IONIC LIQUID BATH PLATING OF ALUMINUM-CONTAINING LAYERS UTILIZING SHAPED CONSUMABLE ALUMINUM ANODES

HONEYWELL INTERNATIONAL I...

1. An ionic liquid bath plating method for depositing an aluminum-containing layer onto a metallic workpiece having a non-planar workpiece surface, the ionic liquid bath plating method comprising:obtaining a consumable aluminum anode including a workpiece-facing anode surface having a non-planar geometry, which is generally conformal with at least a portion of the non-planar workpiece surface;
positioning the workpiece-facing anode surface and the non-planar workpiece surface in an adjacent, non-contacting relationship;
at least partially submerging the workpiece and the consumable aluminum anode in an ionic liquid aluminum plating bath;
applying an electrical potential across the consumable aluminum anode and the workpiece to deposit an aluminum-containing layer onto the non-planar workpiece surface, the aluminum-containing layer having an average thickness TAVG;
identifying a targeted region of the non-planar workpiece surface over the aluminum-containing layer is desirably deposited to a modified thickness (TMOD) different than the average thickness (TAVG); and
selecting the consumable aluminum anode to comprise at least one anodic field modifying feature, which is positioned adjacent the targeted region when the workpiece-facing anode surface and the non-planar workpiece surface are placed in the adjacent, non-contacting relationship.

US Pat. No. 10,392,947

COMPOSITIONS AND METHODS OF ATTACHMENT OF THICK ENVIRONMENTAL BARRIER COATINGS ON CMC COMPONENTS

General Electric Company,...

1. A coating system on a CMC blade having a blade tip, the coating system comprising:a first rare earth silicate coating on the substrate, wherein the first rare earth silicate coating comprises at least one rare earth silicate layer;
a first sacrificial coating of a first reinforced rare earth silicate matrix on the at least one rare earth silicate layer, wherein the first sacrificial coating has a thickness of about 4 mils to about 40 mils, and wherein the first reinforced rare earth silicate matrix comprises a rare earth silicate matrix with a discontinuous phase of barium strontium aluminosilicate or silicon metal particles;
a second rare earth silicate coating on the sacrificial coating, wherein the second rare earth silicate coating comprises at least one rare earth silicate layer, and wherein the first rare earth silicate coating and the second rare earth silicate coating surround the first sacrificial coating at the blade tip so as to merge together;
a second sacrificial coating of a second reinforced rare earth silicate matrix on the second rare earth silicate coating, wherein the second sacrificial coating has a thickness of about 8 mils to about 25 mils, and wherein the second reinforced rare earth silicate matrix comprises a rare earth silicate matrix with a discontinuous phase of barium strontium aluminosilicate or silicon metal particles;
a third rare earth silicate coating on the second sacrificial coating, wherein the third rare earth silicate coating comprises at least one rare earth silicate layer, and wherein the second rare earth silicate coating and the third rare earth silicate coating surround the second sacrificial coating at the blade tip so as to merge together; and
an outer layer on the third rare earth silicate coating.

US Pat. No. 10,392,946

TURBINE BLADE WITH REINFORCED PLATFORM FOR COMPOSITE MATERIAL CONSTRUCTION

Rolls-Royce North America...

1. A turbine blade of ceramic matrix composite material construction adapted for use in a gas turbine engine, the turbine blade comprisinga root adapted to attach the turbine blade to a disk,
an airfoil shaped to interact with hot gasses moving through the gas path of a gas turbine engine and cause rotation of the turbine blade when the turbine blade is used in a gas turbine engine, and
a platform having an attachment side facing the root and a gas path side facing the airfoil, the platform arranged between the root and the airfoil and shaped to extend outwardly from the root and the airfoil in order to block migration of gasses from the gas path toward the root when the turbine blade is used in a gas turbine engine,
wherein the turbine blade includes at least one attachment fiber-reinforcement ply having a first section that forms part of the root and a second section that extends in a first direction away from the root to form part of the attachment side of the platform, at least one gas path fiber-reinforcement ply having a first section that forms part of the airfoil and a second section that extends in the first direction away from the airfoil to form part of the gas path side of the platform, and at least one through thickness reinforcement that extends in a second direction perpendicular to the first direction through the second section of the at least one attachment fiber-reinforcement ply and the second section of the at least one gas path fiber-reinforcement ply to secure the at least one attachment fiber-reinforcement ply to the at least one gas path fiber-reinforcement ply to facilitate resistance to loads induced on the platform when the turbine blade is used in a gas turbine engine.

US Pat. No. 10,392,945

TURBOMACHINE COOLING SYSTEM

General Electric Company,...

1. A cooling system for a turbomachine, comprising:a turbomachine component defining a turbomachine component cavity; and
an insert positioned within the turbomachine component cavity for cooling the turbomachine component, the insert extending along a radial direction between a first end of the insert and a second end of the insert, the insert comprising:
an insert body; and
a spring body for conducting heat from the turbomachine component to the insert body, the spring body including a first portion fixedly coupled to the insert body, a second portion in sliding engagement with the turbomachine component, and a third portion in sliding engagement with the insert body, the third portion spaced apart from the first portion in the radial direction.

US Pat. No. 10,392,944

TURBOMACHINE COMPONENT HAVING IMPINGEMENT HEAT TRANSFER FEATURE, RELATED TURBOMACHINE AND STORAGE MEDIUM

GENERAL ELECTRIC COMPANY,...

1. A turbomachine component comprising:a body defining an inner cavity configured to receive a supply of a heat transfer fluid, the body having an outer surface and an inner surface opposing the outer surface, the inner surface facing the inner cavity;
a mount coupled with the inner surface of the body, the mount including:
an impingement baffle coupled with and separated from the inner surface of the body, the impingement baffle including a set of apertures configured to permit flow of the heat transfer fluid therethrough to contact the inner surface of the body; and
a reclamation channel connected with the impingement baffle for reclaiming the heat transfer fluid; and
a set of connectors extending between the inner surface and the mount, wherein the mount and the inner surface define a heat transfer region therebetween, the connectors are spaced from each other along a primary axis of the body, and the set of apertures, the reclamation channel, and the spaced connectors define a closed-loop path for the heat transfer fluid from the inner cavity through the set of apertures into the heat transfer region and back to the inner cavity.

US Pat. No. 10,392,943

FILM COOLING HOLE INCLUDING OFFSET DIFFUSER PORTION

United Technologies Corpo...

1. A component for a gas turbine engine comprising:a body having at least one internal cooling cavity; and
a plurality of film cooling holes disposed along a first edge of said body, at least one of the film cooling holes including a metering section defining an axis, and a diffuser section having a centerline, the centerline of the diffuser section being offset from the axis of the metering section in an upstream direction by at least 12.5% of the diameter of the metering section.

US Pat. No. 10,392,942

TAPERED COOLING CHANNEL FOR AIRFOIL

ANSALDO ENERGIA IP UK LIM...

1. An airfoil for a gas turbine having a leading edge and a trailing edge, the airfoil comprising:an airfoil wall having an inner surface and an outer surface, the airfoil wall forming an airfoil chamber at least partially enclosed within the airfoil wall; and
a plurality of airfoil passages formed in the airfoil wall, each of the plurality of airfoil passages comprising:
a first opening in the inner surface,
a second opening in the outer surface, and
a channel extending in an axial direction from the first opening to the second opening, wherein the channel includes a first section, a second section, and a transitional section, wherein the first section extends from the first opening to the transitional section, wherein the transitional section extends from the first section to the second section, and wherein the second section extends from the transitional section to the second opening, wherein a cross-sectional area of the first section remains constant along the first section's axial length, wherein a cross-sectional area of the transitional section continually decreases along the transitional section's axial length, and wherein a cross-sectional area of the second section remains constant along the second section's axial length.

US Pat. No. 10,392,941

CONTROLLED COOLING OF TURBINE SHAFTS

Siemens Aktiengesellschaf...

1. A turbomachine, comprising:an inlet region for feeding live steam,
a rotatably mounted rotor,
a casing, which is arranged around the rotor,
wherein a flow passage is formed between the rotor and the casing,
wherein the flow passage and the inlet region are fluidically interconnected,
a shield which is designed in such a way that during operation live steam which flows into the inlet region is deflected into the flow passage, and
a cooling medium feed which is designed in such a way that during operation cooling steam from other than the inlet region is directed into a cooling region which is arranged between the shield and the rotor,
wherein the shield additionally comprises a line which creates a fluidic connection between the cooling region and the inlet region that is configured to convey live steam from the inlet region into the cooling region and that is discrete from the cooling medium feed.

US Pat. No. 10,392,940

REMOVABLE RIVETED BALANCE RING

UNITED TECHNOLOGIES CORPO...

1. A gas turbine engine disk balancing system comprising:a first cover coupled to a first disk and comprising a flange having a circumferential groove comprising a rounded groove shape;
a discrete split ring having a rounded profile that is complementary to the circumferential groove and comprising an axial hole; and
a balance weight coupled to the axial hole of the discrete split ring, wherein the balance weight is riveted to the discrete split ring through the axial hole of the discrete split ring.

US Pat. No. 10,392,939

GAS TURBINE ARRANGEMENT

ROLLS-ROYCE plc, London ...

1. A gas turbine drive shaft arrangement, comprising:a hollow compressor drive shaft,
a first hollow turbine drive shaft for transferring torque from a first turbine stage and a second hollow turbine drive shaft for transferring torque from a second turbine stage, wherein the hollow compressor drive shaft has a spline on an internal surface that is meshed with a spline on an external surface of the first hollow turbine drive shaft, the first turbine drive shaft further comprising a spline on an internal surface thereof that is meshed with a spline on an external surface of the second hollow turbine drive shaft, wherein
the first hollow turbine shaft has a thickened portion with an annular flange extending from an exterior surface thereof, the annular flange defining an annular cavity that holds an end of the hollow compressor drive shaft.

US Pat. No. 10,392,938

PRE-SINTERED PREFORM FOR REPAIR OF SERVICE RUN GAS TURBINE COMPONENTS

SIEMENS ENERGY, INC., Or...

1. A repair process (100) comprising:removing (106) a damaged portion (108) of a service run turbine component (102) to reveal a repair surface (110);
applying (112) a pre-sintered preform (114) to the repair surface (108) of the turbine component (102); and
heating (120) the pre-sintered preform (114) and the turbine component (102) together to form a brazement (116) comprising a replacement protective coating (118) on the repair surface (110) upon cooling of the pre-sintered preform (114) and the turbine component (102);
wherein the pre-sintered pre-form (114) is formed from a mixture of a bond coat powder and a braze powder;
wherein the bond coat powder comprises by wt %:
Ni: 33.0-35.0;
Cr: 21.4-23.4;
Si: 8.6-9.2;
Al: 2.4-3.0;
W 1.2-1.6;
Ta 0.6-0.8;
B 0.45-0.65;
C 0.05-0.15;
Fe 0.15-0.45; and
Co balance
and wherein the braze powder comprises by wt %:
N 32;
C 21;
Al 8;
Y 0.5; and
Co balance.

US Pat. No. 10,392,937

CONSTRUCTION LAYOUT FOR CAVERNS OF UNDERGROUND NUCLEAR POWER PLANT

CHANGJIANG SURVEY PLANNIN...

1. A construction layout for caverns of an underground nuclear power plant, the construction layout comprising:a) two nuclear island powerhouse cavern groups, each nuclear island powerhouse cavern group comprising:
a1) a primary cavern accommodating nuclear reactor powerhouse;
a2) an electric powerhouse cavern;
a3) a safe powerhouse cavern;
a4) an auxiliary powerhouse cavern;
a5) a nuclear fuel powerhouse cavern; and
a6) a connecting powerhouse cavern;
b) a first primary traffic tunnel;
c) a second primary traffic tunnel;
d) a third primary traffic tunnel;
e) a fourth primary traffic tunnel;
f) two primary steam channels;
g) a bottom adit system; and
h) a top adit system comprising:
h1) a first primary adit;
h2) a second primary adit;
h3) a third primary adit; and
h4) a fourth primary adit;wherein:the electric powerhouse cavern, the safe powerhouse cavern, the nuclear auxiliary powerhouse cavern, the nuclear fuel powerhouse cavern, and the connecting powerhouse cavern are disposed around the corresponding primary cavern;
a connecting line of centers of cross-sections of the two primary caverns at a horizontal plane is perpendicular to a longitudinal direction of a mountain in which the underground nuclear power plant is constructed, wherein the horizontal plane is parallel to a ground surface and the longitudinal direction of the mountain;
each of the electric powerhouse cavern, the safe powerhouse cavern, the nuclear auxiliary powerhouse cavern, the nuclear fuel powerhouse cavern, and the connecting powerhouse cavern comprises a rectangular cross-section having a longitudinal axis at the horizontal plane;
the longitudinal axes of the electric powerhouse cavern, the safe powerhouse cavern, and the nuclear fuel powerhouse cavern are arranged along the longitudinal direction of the mountain; the longitudinal axes of the auxiliary powerhouse cavern and the connecting powerhouse cavern are arranged perpendicular to the longitudinal direction of the mountain and parallel to the ground surface;
the safe powerhouse cavern and the nuclear fuel powerhouse cavern are disposed on two sides of the primary cavern, respectively; the electric powerhouse cavern and the safe powerhouse cavern are located on a same side of the primary cavern; the auxiliary powerhouse cavern and the connecting powerhouse cavern are disposed on two sides of the primary cavern, respectively;
two primary caverns are disposed between the first primary traffic tunnel and the third primary traffic tunnel; the second primary traffic tunnel is disposed between the two primary caverns;
the fourth primary traffic tunnel is disposed perpendicular to the longitudinal direction of the mountain and parallel to the ground surface;
the fourth primary traffic tunnel is connected to the first primary traffic tunnel, the second primary traffic tunnel, and the third primary traffic tunnel;
one of the two nuclear island powerhouse cavern groups is surrounded by the fourth primary traffic tunnel together with the first primary traffic tunnel and the second primary traffic tunnel, and the other of the two nuclear island powerhouse cavern groups is surrounded by the fourth primary traffic tunnel together with the second primary traffic tunnel and the third primary traffic tunnel;
the primary cavern communicates with the corresponding connecting powerhouse cavern via one of the two primary steam channels;
the first primary adit, the second primary adit, the third primary adit, and the fourth primary adit of the top adit system are disposed along the longitudinal direction of the mountain, and are connected to the ground surface;
skewbacks or endwalls of top arches of the caverns of each nuclear island powerhouse cavern group communicate with the ground surface via the first primary adit, the second primary adit, the third primary adit, and the fourth primary adit of the top adit system;
the first primary traffic tunnel, the second primary traffic tunnel, the third primary traffic tunnel, and the two primary steam channels are disposed along the longitudinal direction of the mountain, and are connected to the ground surface;
bottoms of sidewalls of the caverns of each nuclear island powerhouse cavern group communicate with the first primary traffic tunnel, the second primary traffic tunnel, the third primary traffic tunnel, the fourth primary traffic tunnel, and the primary steam channel via the bottom adit system, and the bottoms of sidewalls of the caverns of each nuclear island powerhouse cavern group communicate with the ground surface via the first primary traffic tunnel, the second primary traffic tunnel, the third primary traffic tunnel, and the primary steam channel;
the first primary adit, the second primary adit, the third primary adit, and the fourth primary adit are disposed at a higher elevation with respect to the first primary traffic tunnel, the second primary traffic tunnel, the third primary traffic tunnel, and the two primary steam channels;
the first primary adit, the second primary adit, the third primary adit, and the fourth primary adit are adapted for construction; and
the first primary traffic tunnel, the second primary traffic tunnel, the third primary traffic tunnel, and the two primary steam channels are adapted for slag discharge.

US Pat. No. 10,392,936

TAR MAT FORMATION PREDICTION IN LATE-CHARGE RESERVOIRS

SCHLUMBERGER TECHNOLOGY C...

1. A system comprising:a downhole tool operable within a wellbore extending from a wellsite surface into a subterranean hydrocarbon reservoir, wherein the downhole tool is operable to obtain fluid from the reservoir and data associated with the obtained fluid; and
an apparatus operable to identify at least one condition indicating that a density inversion exists in the fluid contained in the reservoir based on the obtained data, wherein the apparatus is operable to:
estimate molecular sizes of each of a plurality of compositional components of the fluid contained within the reservoir; and
generate a model of the density inversion of the fluid contained within the reservoir based at least in part on the obtained data and the estimated molecular sizes, wherein inputs for the density inversion model include one or more diffusion coefficients related to gas, maltene, asphaltene, or any combination thereof.

US Pat. No. 10,392,935

MONITORING SYSTEMS AND METHODS

Expro North Sea Limited, ...

1. A well monitoring apparatus, the well including tubing extending lengthwise within a wellbore of a formation, the tubing having an exterior surface, the apparatus comprising:a first barrier configured to selectively create a first fluid flow barrier within an annular region disposed outside of the exterior surface of the tubing;
a second barrier configured to selectively create a second fluid flow barrier within the annular region disposed outside of the exterior surface of the tubing;
a sensor arrangement configured to sense a pressure and a temperature of a fluid disposed in a portion of the annular region disposed between the first barrier and the second barrier and produce sensor data representative of one or both of the sensed pressure and temperature;
one or more tracer elements disposed in the portion of the annular region disposed between the first barrier and the second barrier;
an analyzer configured to detect the presence of the one or more tracer elements within the fluid, and produce composition data representative thereof; and
a processor in communication with the sensor arrangement, the analyzer, and a memory storing instructions, which instructions when executed cause the processor to analyze the sensor data and the composition data to produce information representative of the condition of the first barrier or the second barrier, or both.

US Pat. No. 10,392,934

METHOD AND APPARATUS FOR PROCESSING WAVEFORMS

SCHLUMBERGER TECHNOLOGY C...

1. A system for processing waveforms, comprising:an apparatus to process dispersive waveforms of a formation surrounding a borehole containing a fluid, the apparatus comprising:
a sonic logging tool deployed in the borehole, the sonic logging tool further comprising;
a sonic transmitter;
a sonic receiver array;
a memory; and
a processor located downhole for downhole processing of dispersive waveforms to convert the dispersive waveforms into formation slowness or fluid slowness in accordance with dispersion information stored in the memory;
a telemetry tool in communication with the processor to receive processed data from the processor and to send the processed data to the surface; and
a surface computer which receives the processed data and converts the processed data into a log of slowness data.

US Pat. No. 10,392,933

MULTIPLE DOWNHOLE SENSOR DIGITAL ALIGNMENT USING SPATIAL TRANSFORMS

Baker Hughes, a GE compan...

1. A control system for operating a drill string in a wellbore, comprising:a drill string operably coupled to a drilling element configured to drill through a formation;
a plurality of sensor nodes including at least:
a first sensor node operably coupled to the drill string at a first location and comprising one or more first sensors including a first spatial sensor;
a second sensor node operably coupled to the drill string at a second location offset from the first location along a length of the drill string, the second sensor node comprising one or more second sensors including a second spatial sensor;
a non-transitory data collection system configured to store sensor data from the plurality of sensor nodes therein; and
one or more control circuits operably configured to receive the sensor data from the first sensor node and the second sensor node, the one or more control circuits each including a processor operably coupled to a data storage device, the data storage device including computer-readable instructions stored thereon and the processor configured to execute the computer-readable instructions stored on the data storage device, the computer-readable instructions configured to instruct the processor to:
estimate, using the sensor data from the first spatial sensor and the second spatial sensor, parameters of a mathematical transform configured to transform sensor readings from the second sensor node in a second spatial frame of reference of the second sensor node into a first spatial frame of reference of the first sensor node;
transform the sensor readings from the second sensor node into the first spatial frame of reference using the estimated mathematical transform; and
control an operational state of the drill string in response to the sensor data from the first sensor node and the second sensor node after transforming the sensor readings from the second sensor node into the first spatial frame of reference.

US Pat. No. 10,392,932

THROUGH-CASING FIBER OPTIC ELECTRICAL SYSTEM FOR FORMATION MONITORING

Halliburton Energy Servic...

1. A through-casing formation monitoring system, comprising:a casing string positioned within a wellbore;
a power source electrically coupled to the casing string;
a voltage sensor electrically coupled to an inner surface of the casing string such that the voltage sensor allows a continued operation of the wellbore;
a fiber optic cable coupled to an electro-optical transducer within the voltage sensor; and
an optical interrogation system configured to measure an electric potential applied to the electro-optical transducer via the fiber optic cable.

US Pat. No. 10,392,931

HYDRAULICALLY ASSISTED PULSER SYSTEM AND RELATED METHODS

Rime Downhole Technologie...

1. A transmitter assembly for a mud pulse telemetry MWD system for operation in an environment including a drilling fluid flow and an upstream direction and a downstream direction defined by the flow, comprising;a mud pulse telemetry main pulser, comprising;
a main orifice;
a movable obstruction to drilling fluid flow;
said obstruction located upstream of said main orifice; and
a piston;
said piston connected to said obstruction; and
said piston located downstream of said main orifice; and
a first bypass conduit defining a sole fluid flow path within said main pulser by-passing said orifice;
wherein said first bypass conduit has no valve; and
wherein a position of the obstruction is affected by a sum of pressure-induced forces on said piston caused by said drilling fluid flow.

US Pat. No. 10,392,930

CHANNEL ESTIMATION IN MUD PULSE TELEMETRY

HALLIBURTON ENERGY SERVIC...

1. A method comprising:receiving, by a first device located at a first location within a wellbore from a second device located at a second location within the wellbore, a signal comprising a Golay preamble waveform, the Golay preamble waveform being based on Golay complementary codes, wherein the signal is a pressure wave and is a pulse-position-modulated signal;
detecting, with the first device, the Golay preamble waveform in the signal; and
estimating, based on the detected Golay preamble waveform, a characteristic of a communication channel between the first location and the second location.

US Pat. No. 10,392,929

MAPPING FRACTURE LENGTH USING DOWNHOLE GROUND PENETRATING RADAR

Saudi Arabian Oil Company...

1. A method of determining location of end portions of a fracture in a subsurface formation at a depth of interest penetrated by a well, comprising steps of:(a) moving, in the well to the depth of interest, a well logging sonde containing (1) a ground penetrating radar transmitter and (2) at least one radar receiver at a distance from the ground penetrating radar transmitter;
(b) emitting a ground penetrating radar pulse of electromagnetic energy from the ground penetrating radar transmitter in the well logging sonde at the depth of interest;
(c) receiving ground penetrating radar electromagnetic energy with the at least one radar receiver in the well logging sonde at the distance from the ground penetrating radar transmitter by performing steps of:
(1) sensing arrival of a first break of the ground penetrating radar pulse indicating a spacing of the radar transmitter and radar receiver; and
(2) sensing arrival of a second break of the ground penetrating radar pulse indicating presence of the fracture as a secondary electromagnetic energy source;
(d) sensing arrival time of the first break and the second break of the ground penetrating radar pulse by the radar receiver;
(e) determining, from the arrival time of the second break of the ground penetrating radar pulse, the location of the end portions of the fracture in the subsurface formation.

US Pat. No. 10,392,928

AT-SURFACE COMMUNICATION WITH DOWNHOLE TOOLS

Evolution Engineering Inc...

1. A downhole tool comprising:a gap sub comprising a tubular section having a first electrically-conducting part and a second electrically-conducting part longitudinally spaced-apart and electrically insulated from the first electrically-conducting part;
an electromagnetic telemetry transmitter connected to apply a potential difference between the first electrically-conducting part and the second electrically-conducting part; and
a single-wire bus providing a data connection between the first electrically-conducting part and a network interface in communication with a data processor, wherein:
the network interface comprises a node of the single-wire bus;
the first electrically-conducting part forms at least part of a first surface;
the second electrically-conducting part forms at least part of a second surface;
the first surface and second surface form part of an exterior of the gap sub; and
the second electrically-conducting part is connected to provide a reference potential for the single-wire bus.

US Pat. No. 10,392,926

LOGGING PERFORATION FLOW IN WELLBORE

SCHLUMBERGER TECHNOLOGY C...

1. A measurement apparatus for being carried by a downhole logging tool, the measurement apparatus adapted to non-invasively log fluid flow at perforations in a well casing lining a wellbore, the measurement apparatus comprising:a plurality of transducers arranged adjacent an outer surface of the measurement apparatus and at azimuthal angular positions with respect to a longitudinal axis of the measurement apparatus;
a plurality of modules extending along the longitudinal axis, wherein:
the transducers are adapted to transmit and detect an acoustic pulse,
each transducer is arranged at a different azimuthal angle with respect to each of the remaining transducers and the transducers are adapted to be triggered in a sequence that takes into consideration a moving speed of the measurement apparatus when carried by the downhole logging tool such that, in one cycle, each transducer detects a different azimuthal angle on at least the same plane intersecting the wellbore perpendicularly to a longitudinal axis of the wellbore
at least one of the plurality of transducers is located at a different longitudinal position along the longitudinal axis, such that the transducers are provided in a staggered arrangement, and at least one of the transducers includes only one or only two extension portions situated above and/or below the at least one of the transducers, the extension portions being additional transducers, wherein the extension portions are tilted relative to the longitudinal axis of the measurement apparatus, and
each module contains one more of the plurality of transducers arranged at different positions along the longitudinal axis and at different azimuthal positions, such that each transducer of each module is offset in the azimuthal direction with respect to the transducers of all the other modules.

US Pat. No. 10,392,925

SYSTEMS AND METHODS TO UTILIZE A SENSOR TO PROVIDE SPATIAL RESOLUTION IN DOWNHOLE LEAK DETECTION

Halliburton Energy Servic...

1. A method of downhole leak detection, comprising:deploying a downhole leak detector having at least one physical sensor into a wellbore;
obtaining physical signals detected by the at least one physical sensor while the downhole leak detector is traveling along the wellbore;
performing a frame decomposition operation on the physical signals of a first physical sensor of the at least one physical sensor to obtain a plurality of virtual signals associated with an array of virtual sensors, each virtual sensor of the array of virtual sensors being located at a virtual distance relative to the first physical sensor, the virtual distance corresponding to a physical distance away from the first physical sensor;
determining a temporal correction factor of the virtual signals corresponding to a virtual sensor of the plurality of virtual sensors;
determining a modeled transfer function of the virtual signals corresponding to the virtual sensor;
calculating a virtual weight of the virtual sensor relative to the first physical sensor based on the temporal correction factor and the modeled transfer function;
applying the virtual weight to one or more values of a covariance matrix that represents the virtual signals corresponding to the virtual sensor;
synchronizing the virtual signals of the array of virtual sensors; and
computing a spatial spectrum indicative of a location of a leak based on the synchronized virtual signals.

US Pat. No. 10,392,924

SYSTEM AND METHOD FOR NON-INVASIVE CAPACITIVE PRESSURE MEASUREMENT

CAMERON INTERNATIONAL COR...

15. A system, comprising:a non-invasive capacitive pressure measurement system configured to measure a pressure of a pressurized fluid, the non-invasive capacitive pressure measurement system, comprising:
a housing;
a core configured to rest within the housing, wherein a gap is formed between the core and the housing; and
an insulative structure disposed within the gap, wherein the insulative structure is configured to support the core within the housing, wherein the insulative structure is configured to maintain the gap between the core and the housing to form a capacitor, and wherein the insulative structure within the gap is configured to compress toward the core and reduce a distance between the core and the housing as the pressure of the pressurized fluid increases.

US Pat. No. 10,392,922

MEASURING INTER-RESERVOIR CROSS FLOW RATE BETWEEN ADJACENT RESERVOIR LAYERS FROM TRANSIENT PRESSURE TESTS

Saudi Arabian Oil Company...

1. A computer implemented method of determining specific permeability of a semi-permeable formation between a producing formation layer of completed in a subsurface reservoir through a production casing string and an adjacent lower formation layer separated from the producing formation layer and the production casing string by the semi-permeable formation, the adjacent lower formation layer of the reservoir having a higher pressure than the producing formation layer during a pressure transient test of the producing formation layer, the computer implemented method comprising the steps of:(a) obtaining a test measure of well pressure during the pressure transient test of the producing formation layer;
(b) determining a test pressure derivative of the test well pressure at sampled instants of measurement during the pressure transient test of the producing formation layer;
(c) receiving an estimated value of specific permeability of the semi-permeable formation between the producing formation layer and the adjacent lower formation layer;
(d) determining a model wellbore flowing pressure at the producing formation layer based on the test measure of well pressure and the estimated value of specific permeability of the semi-permeable formation;
(e) determining a model pressure derivative based on the test pressure derivative and the estimated value of specific permeability of the semi-permeable formation;
(f) determining a model inter-reservoir cross flow rate through the semi-permeable formation between the producing formation layer and the adjacent lower formation layer based on the received estimated value of specific permeability of the semi-permeable formation; and
(g) if the estimated measures and test measures match within an acceptable degree of a preset criterion value:
(1) storing the estimated value of specific permeability of the semi-permeable formation as the determined specific permeability of the semi-permeable formation, the determined model inter-reservoir cross flow rate through the semi-permeable formation between the producing formation layer and the adjacent lower formation layer to the tested layer, the determined model wellbore flowing pressure, and the determined model pressure derivative; and
(2) wherein the semi-permeable formation is located between the producing formation layer completed in the subsurface reservoir through the production casing string and the adjacent lower formation layer separated from the producing formation layer and the production casing string by the semi-permeable formation, with the adjacent lower formation layer of the reservoir having a higher pressure than the producing formation layer during the pressure transient test of the producing formation layer; and
(3) forming an output record of the estimated value of specific permeability of the semi-permeable formation between the producing formation layer and the adjacent lower formation layer;
(h) and, if not:
(1) adjusting the value of specific permeability of the semi-permeable formation, and
(2) wherein the semi-permeable formation is located between the producing formation layer completed in the subsurface reservoir through the production casing string and the adjacent lower formation layer separated from the producing formation layer and the production casing string by the semi-permeable formation, with the adjacent lower formation layer of the reservoir having a higher pressure than the producing formation layer during the pressure transient test of the producing formation layer, and
(3) iteratively repeating the steps of determining a model wellbore flowing pressure, determining a model pressure derivative, and determining a model inter-reservoir cross flow rate from the adjacent layer to the producing formation layer based on the adjusted value of specific permeability of the semi-permeable formation until the estimated measures and test measures match within the acceptable degree of a preset criterion value.

US Pat. No. 10,392,921

DOWNHOLE TOOL FOR MEASURING ACCELERATIONS

SCHLUMBERGER TECHNOLOGY C...

1. A downhole tool for measuring accelerations at a location within a subterranean borehole, the tool being rotatable around a longitudinal direction of the borehole, the downhole tool comprising:four accelerometers, each accelerometer configured to measure acceleration in a respective direction and arranged such that at least a component of the measured acceleration is normal to the longitudinal direction of the borehole, wherein the accelerometers are arranged such that no more than any two of the four accelerometers have components that are parallel;
a first device which measures the rotational speed of the tool; and
a processor unit which relates the acceleration measured by each accelerometer to the true acceleration at that accelerometer by a respective scaling term and a respective offset, and combines the measured accelerations and the tool rotational speed to re-calibrate the scaling terms as the tool rotates.

US Pat. No. 10,392,920

METHOD AND SYSTEM OF QUANTITATIVE CEMENT EVALUATION USING LOGGING WHILE DRILLING

SCHLUMBERGER TECHNOLOGY C...

11. A system for performing a quantitative cement evaluation, the system comprising:a logging-while-drilling downhole sonic tool to measure acoustic signals propagating through a casing during a job associated with drilling a wellbore, the logging-while-drilling downhole sonic tool having transmitter-receiver spacing at a first distance; and
a processor to:
access waveform data of the acoustic signals;
detect an attenuation of a casing amplitude from the waveform data, wherein the casing amplitude is an amplitude of a first acoustic signal propagating through the casing at the first distance;
calculate casing amplitude reduction data based on (1) a second acoustic signal propagating through the casing for a transmitter-receiver spacing at a second distance less than the first distance and (2) an amount by which the first distance is greater than the second distance; and
determine a bond index indicative of an adherence of cement to the casing based on the waveform data and the casing amplitude reduction data.

US Pat. No. 10,392,919

SIMULATED CORE SAMPLE ESTIMATED FROM COMPOSITE BOREHOLE MEASUREMENT

BAKER HUGHES, A GE COMPAN...

1. A method for evaluating an earth formation intersected by a borehole using standard resolution measurements, the standard resolution measurements having a first resolution resulting from a downhole instrument used to obtain the measurements, the method comprising:generating an image representative of the formation over an interval of borehole depth, the image having a second resolution greater than the first resolution, by:
identifying thinly bedded layers corresponding to lithotype facies within the interval, the layers defined by boundaries having boundary locations along the borehole;
using a unified characterization of the formation within the interval determined from the standard resolution measurements and the boundary locations within the interval to solve for a value for the formation parameter corresponding to each layer of the thinly bedded layers consistent with the unified characterization of the interval.

US Pat. No. 10,392,918

METHOD OF AND SYSTEM FOR REMOTE DIAGNOSTICS OF AN OPERATIONAL SYSTEM

BAKER HUGHES, A GE COMPAN...

1. A method of remotely reducing downtime of an operational system, the method comprising:configuring the operational system to include a cement unit at an onsite location, the operational system having onsite job equipment components including at least one prime mover controller, a user interface computer, at least one switch, at least one networking connection, at least one servomechanism, and at least one sensor configured to sense a parameter of the operational system;
accessing information, for component performance analysis of the components, from the operational system by a diagnostic computer, the information accessed from the at least one prime mover controller, the user interface computer, the at least one switch, the at least one networking connection, and the at least one sensor, the diagnostics computer including connections to the components of the operational system that are separate from control and signal lines between the components of the operational system;
transmitting the information from the diagnostic computer to an off-site operations center;
directing at least one onsite camera at the onsite job equipment components for remote viewing of the onsite job equipment components at the operations center;
using the information from the diagnostic computer and images from the at least one onsite camera at the off-site operations center to monitor, review or improve status and performance of the components within the operational system;
using the information at the off-site operations center to assess communication status and connectivity issues of connections between the components of the operational system, diagnose interface errors between the components, and determine if the components are operating as intended; and,
communicating issues with the operational system from the off-site operations center to the operational system;
wherein, prior to accessing information from the operational system, selecting an existing operational system having the control and signal connections between the components, and configuring the diagnostic computer to separately connect to each of the at least one prime mover controller, user interface computer, at least one switch, at least one networking connection, and at least one sensor of the existing operational system, and wherein using the information further includes remotely executing at least one of a cement mixing and pumping operation at the onsite location from the operations center.

US Pat. No. 10,392,917

METHOD AND APPARATUS FOR UTILIZATION OF WATER PRODUCED FROM SUBTERRANEAN HYDROCARBON RESERVES IN MINING OF ASSOCIATED MINERAL DEPOSITS

AMEC FOSTER WHEELER USA C...

6. A produced-water utilization system, comprising:a water-gathering system fluidly coupled to at least one well pad for recovery of produced water, the water-gathering system operating at a pressure lower than a pressure of the well;
a water-treating system fluidly coupled to the water-gathering system, the water-treating system comprising a plurality of modular treatment units, the plurality of modular treatment units comprising:
a modular oxidation facility fluidly coupled to the water-gathering system, that adds a chemical oxidant to the produced water to break down hydrocarbon emulsions present in the produced water;
a modular oil/water separation facility, fluidly coupled to the oxidation facility, that separates hydrocarbons from the produced water;
a modular dissolved air floatation unit, fluidly coupled to the oil/water separation facility, that introduces dissolved air into the produced water;
a modular chemical precipitation facility, fluidly coupled to the dissolved air floatation unit, that precipitates chemical components from the produced water via a chemical additive; and
a modular polishing filter that removes chemical impurities from the produced water; and
a water-distribution system fluidly coupled to the water-treating system; and
wherein the water-distribution system transports treated produced water to a solution mining site.

US Pat. No. 10,392,916

SYSTEM AND METHOD FOR USING PRESSURE PULSES FOR FRACTURE STIMULATION PERFORMANCE ENHANCEMENT AND EVALUATION

Baker Hughes, a GE compan...

1. A method of supplying energy pulses to a portion of a wellbore comprising:positioning a fluid hammer vibratory tool adjacent a portion of a wellbore, the fluid hammer vibratory tool having a first power path and a second power path both connected to an input power port via a connecting power path;
pumping fluid from a surface to the fluid hammer vibratory tool to create periodic energy pulses, wherein the periodic energy pulses are created by alternating the fluid flow through a portion of the fluid hammer vibratory tool between the first power path and the second power path;
delivering the periodic energy pulses from the fluid hammer vibratory tool to the portion of the wellbore, wherein the periodic energy pulses comprise oscillating pressure waves;
modifying a frequency of the periodic energy pulses in real-time;
modifying a magnitude of the periodic energy pulses in real-time; and
determining one or more properties of the wellbore based on energy pulses reflected from the wellbore.

US Pat. No. 10,392,915

FRACTURING UTILIZING AN AIR/FUEL MIXTURE

Twin Disc, Inc., Racine,...

1. A process of collecting hydrocarbons from a subterranean environment comprising:drilling a well hole to a predetermined depth sufficient to reach a hydrocarbon deposit;
flowing an air and fuel mixture into the well hole;
auto-igniting the air and fuel mixture with an application of pressure into the well hole;
fracturing the subterranean environment with an explosion from the auto-ignition; and
recovering a plurality of hydrocarbons in the hydrocarbon deposit from the well hole.

US Pat. No. 10,392,914

SYSTEMS AND METHODS FOR FRACTURING A MULTIPLE WELL PAD

1. A flow system for use at a hydraulic fracturing well site, comprising:a tree attached to a wellhead;
an inlet head in fluid communication with at least one hydraulic fracturing pump at the well site;
fluid conduit providing fluid communication between the inlet head and the tree; and
a valve in the fluid conduit and having an open position and a closed position, the valve permitting fluid flow through the fluid conduit when in the open position, and preventing fluid flow through the fluid conduit when in the closed position, at least a portion of the fluid conduit positioned between the valve and the tree having one or more connectors to adjust an elevation of the portion of fluid conduit relative to the tree in response to a rotation of the one or more connectors.

US Pat. No. 10,392,913

TREATMENT BASED ON FIBER CABLE SENSOR DATA

Schlumberger Technology C...

1. A method comprising:during a treatment process, receiving vibration data acquired over a length of a fiber cable sensor disposed in a well that comprises perforations;
filtering the vibration data as to traveling waves to generate filtered data;
analyzing the filtered data to generate fluid flow information; and
adjusting the treatment process based at least in part on the fluid flow information.

US Pat. No. 10,392,912

PRESSURE ASSISTED OIL RECOVERY

1. A method of mobilizing and extracting oil from an oil sand reservoir comprising:first and second well pairs separated by a predetermined separation, each well pair comprising: a first well within the oil sand reservoir, and a second well within the oil sand reservoir at a predetermined vertical offset to the first well, the second well being substantially parallel to the first well and the second well being at a predetermined lateral offset to the first well;
prior to any production, operating the first and second well pairs as steam assisted gravity drainage (SAGD) well pairs by selectively injecting a first fluid into at least the first well of each well pair according to a first predetermined schedule to create first zones of increased mobility within the oil sand reservoir around the first well of each well pair;
drilling an infill well within the oil sand reservoir at a predetermined location between the first and second well pairs prior to adjacent steam chamber merging of the first and second well pairs;
generating a second zone of increased mobility between the first and second well pairs by injecting a second fluid into the infill well according to a second predetermined schedule to establish thermal communication between the infill well and the first zones of each well pair; and,
the second predetermined schedule also comprising converting the infill well for extracting mobilized reservoir fluids from the oil sand reservoir via the infill well while continuing to operate the first and second well pairs according to the first predetermined schedule;
the fluid injected into the first well pair, the second well pair, and the infill well substantially altering the oil sands composition such that hydrocarbons contained in the oil sands composition are transformed into a mobile state allowing the hydrocarbons to be extracted from the oil sands reservoir.

US Pat. No. 10,392,911

IN-SITU CARBON DIOXIDE GENERATION FOR HEAVY OIL RECOVERY METHOD

Husky Oil Operations Limi...

1. A method for producing reservoir oil from a consolidated reservoir, the method comprising the steps of:providing an aqueous solution of a carbonate salt;
providing an aqueous solution of an acid;
injecting, from the surface, the aqueous solution of the carbonate salt into at least one wellbore positioned inside the reservoir;
allowing the aqueous solution of the carbonate salt to enter into the reservoir;
subsequent to allowing the aqueous solution of the carbonate salt to enter into the reservoir, injecting, from the surface, the aqueous solution of the acid into the at least one wellbore positioned inside the reservoir;
allowing the aqueous solution of the acid to enter into the reservoir and contact the aqueous solution of the carbonate salt;
subsequent to allowing the aqueous solution of the acid to enter into the reservoir, shutting in the at least one wellbore;
allowing the carbonate salt in the aqueous solution of the carbonate salt and the acid in the aqueous solution of the acid to react with each other to form carbon dioxide gas;
allowing the carbon dioxide gas to mix with the reservoir oil thereby reducing viscosity of the reservoir oil;
subsequent to allowing the carbon dioxide gas to mix with the reservoir oil, opening up the at least one wellbore;
allowing the reservoir oil to flow into the at least one wellbore; and
producing to the surface the reservoir oil.

US Pat. No. 10,392,910

MULTI-ZONE ACTUATION SYSTEM USING WELLBORE DARTS

Halliburton Energy Servic...

1. A sliding sleeve assembly, comprising:a completion body that defines an inner flow passageway and one or more ports that enable fluid communication between the inner flow passageway and an exterior of the completion body;
a sliding sleeve arranged within the completion body and having a sleeve mating profile defined on an inner surface of the sliding sleeve, the sliding sleeve being movable between a closed position, where the sliding sleeve occludes the one or more ports, and an open position, where the sliding sleeve is moved to expose the one or more ports;
a plurality of wellbore darts each having a body with a plurality of collet fingers and a dart profile defined on an outer surface of the body, the dart profile of each wellbore dart being mateable with the sleeve mating profile, wherein a plurality of sensor components are positioned on the plurality of the collet fingers of each wellbore dart;
one or more sensors positioned on the completion body uphole to the sliding
sleeve to detect the plurality of sensor components of each of the plurality of wellbore darts as traversing the inner flow passageway prior to traversing the sliding sleeve; and
an actuation sleeve arranged within the completion body and movable between a run-in configuration, where the actuation sleeve occludes the sleeve mating profile, and an actuated configuration, where the actuation sleeve is moved in the uphole direction to expose the sleeve mating profile.

US Pat. No. 10,392,908

DOWNHOLE TOOLS HAVING SUPERHYDROPHOBIC SURFACES

BAKER HUGHES, A GE COMPAN...

1. A method of producing hydrocarbon from a subterranean formation, the method comprising:disposing an article in a well penetrating a subterranean formation, the article having a surface coated with a superhydrophobic coating having micro-sized surface structures, nano-sized surface structures, or a combination thereof disposed on an outer surface of the coating, the micro-sized surface structures and the nano-sized surface structures being in the form of periodic arrays of micro- and nano-sized platelets, tubules, protrusions, particles, pits, grooves, trenches, pillars, peaks, craters, cones, or bumps;
contacting the article with a flow of a water-based fluid and an oil-based fluid;
selectively impeding the flow of the water-based fluid; and
allowing the production of the oil-based fluid,
wherein the superhydrophobic coating is coated on a metallic substrate; and the superhydrophobic coating has a thickness of about 5 to about 50 microns.

US Pat. No. 10,392,907

SUBSEA SYSTEM AND METHOD FOR HIGH PRESSURE HIGH TEMPERATURE WELLS

Dril-Quip, Inc., Houston...

1. A method, comprising:installing a subsea production system comprising a high pressure subsea wellhead, a tubing head spool (THS), a tubing hanger, a production tree, a riser, and a subsea flowline system by:
installing the high pressure subsea wellhead proximate the sea floor;
installing the THS on the wellhead;
landing the tubing hanger within the THS, wherein the tubing hanger has a secondary barrier valve disposed therein;
installing the production tree on the THS downstream of the tubing hanger with the secondary barrier valve being in a closed position;
remotely actuating the secondary barrier valve from the closed position to an open position after installing the production tree;
coupling the production tree to at least one barrier located downstream of the tubing hanger, wherein the at least one barrier comprises a high integrity pipeline protection system (HIPP S); and
coupling the production tree to the riser via the subsea flowline system;
producing hydrocarbons from a subsea reservoir to a topsides production facility via the subsea production system; and
controlling the at least one barrier in the subsea production system to control a pressure of fluid flowing from components of the subsea production system located upstream of the barrier to components of the subsea production system located downstream of the barrier, wherein at least one of the components located downstream of the barrier is rated for a first maximum pressure, temperature, or flow rate, and wherein all of the components located upstream of the barrier are rated for a second maximum pressure, temperature, or flow rate that is greater than the first maximum pressure, temperature, or flow rate.

US Pat. No. 10,392,906

METHOD OF MAKING SAFE AN UNDERSEA BOTTOM-TO-SURFACE PRODUCTION PIPE WHEN RESTARTING PRODUCTION

Saipem S.A., Montigny le...

1. A method of stopping and restarting production in an undersea bottom-to-surface connection production pipe comprising a first pipe portion resting on a sea bottom from a well head to a bottom end of a second pipe portion going up to a ship or floating support on a surface, in which method, when production is stopped, at least said first pipe portion is filled with a depressurized production fluid, the method comprising:e1) forming a gel from two reagents in a first gel-forming chamber on the sea bottom, said first chamber communicating with an end of the first pipe portion that is closest to the well head; and
e2) sending a quantity of said gel into the first pipe portion from said first chamber forming a separator gel segment that pushes cold fluid contained in the first pipe portion to the second pipe portion, prior to closing said first chamber; and then
e3) starting production by sending said production fluid from a production fluid well into the first pipe portion behind a separator gel segment, said production fluid pushing said gel segment into said bottom-to-surface connection pipe towards its top, said gel forming a physical separation and also thermal isolation between firstly the production fluid behind said gel segment within the first pipe portion and secondly a fluid that has been at least partially degas sed ahead of said gel segment within said first production pipe portion.

US Pat. No. 10,392,905

OPTIMIZING FLOW CONTROL DEVICE PROPERTIES FOR ACCUMULATED LIQUID INJECTION

Landmark Graphics Corpora...

1. A computer implemented method for determining flow control device properties of flow control devices along an injection well within a formation that yield a prescribed accumulated injection profile along a production well within the formation, the method comprising:initializing, by a computer system, a flow control device distribution function to have a uniform flow control device distribution profile;
simulating, by the computer system, propagation of an injected fluid front from the injection well to the production well, based on the initialized flow control device distribution function, the injected fluid front representing a volume of fluid to be injected from the injection well into a reservoir area of the formation between the injection well and the production well;
determining, using the flow control device distribution function, a distribution of flow in the injection well and a location of the injected fluid front when it reaches the production well during the simulation;
determining a reference location along a length of the injection well, based on the distribution of flow in the injection well and the location of the injected fluid front, the reference location corresponding to a point along the injected fluid front where the simulated injected fluid front propagation is determined to be at a minimum;
adjusting the flow control device distribution function by decreasing values of the flow control device distribution function at points where the injected fluid front overshoots a target fluid front;
determining whether a deviation between shape of the injected fluid front according to the adjusted flow control device distribution function and the prescribed accumulated injection profile is within a predetermined convergence value;
when the deviation is determined not to be within the predetermined convergence value, repeating the simulation of the injected fluid front propagation and the adjustment of the flow control device distribution function until the deviation is determined to be within the predetermined convergence range;
when the deviation is determined to be within the predetermined convergence value, determining the flow control device properties of the flow control devices along the injection well that yield the prescribed accumulated injection profile along the production well; and
injecting the volume of fluid into the reservoir area of the formation using the flow control devices along the injection well according to the determined flow control device properties that yield the prescribed accumulated injection profile along the production well.

US Pat. No. 10,392,904

LATERAL JUNCTION FOR USE IN A WELL

SCHLUMBERGER TECHNOLOGY C...

9. A method for establishing a lateral junction downhole, comprising:coupling a lateral bore tubular with a main bore tubular via a pivotable coupling to form a lateral junction;
nesting the lateral bore tubular in a nested position within the main bore tubular adjacent a lateral opening in the main bore tubular;
moving the lateral junction downhole along a main bore into proximity with a lateral bore;
pivoting the lateral bore tubular outwardly through the lateral opening;
extending the lateral bore tubular to an extended position; and
continuing movement of the lateral junction in a downhole direction to move the lateral bore tubular into the lateral bore and the main bore tubular farther into the main bore while remaining coupled at the pivotable coupling,
wherein the coupling step comprises flexibly coupling the lateral bore tubular to the main bore tubular using a flex region of the lateral bore tubular, wherein the flex region comprises an open structure that does not extend through a full circumference to form an enclosed tube at the lateral bore tubular.

US Pat. No. 10,392,903

HYDROCARBON WELLS TREATED WITH LOW DOSAGE KINETIC HYDRATE INHIBITORS

Baker Hughes, a GE compan...

1. A hydrocarbon well comprising:an annular space; and
a fluid in the annular space, the fluid being inhibited against hydrate formation in the presence of water at hydrate forming conditions, and the fluid consisting essentially of:
water;
hydrate-forming guest molecules; and
at least one kinetic hydrate inhibitor (KHI) in an amount effective to inhibit formation of hydrates at hydrate forming conditions, where the KHI is selected from the group consisting of:
a copolymer comprising monomers selected from the group consisting of:
acryloylmorpholine, vinylimidazole, n-vinyl pyrrolidone and combinations thereof; and
a terpolymer selected from the group consisting of:
acryloylmorpholine, vinylimidazole, and vinylcaprolactam monomers,
vinylimidazole, vinylcaprolactam, and n-vinyl pyrrolidone monomers, and
acryloylmorpholine, vinylimidazole, and n-vinyl pyrrolidone monomers.

US Pat. No. 10,392,902

DOWNHOLE TOOL ANCHORING SYSTEM

SCHLUMBERGER TECHNOLOGY C...

10. A method, comprising:disposing a tubular comprising a tool in a wellbore, the tool comprising an anchoring section, a single isolation device, and a valve system, the valve system configured to control fluid flow from the tubular and into the tool;
anchoring the tool in the wellbore with the anchoring section;
isolating sections of the wellbore on opposing sides of the isolation device by setting the isolation device;
actuating the valve system in the tool to enable fluid to be flowed from the tubular into the wellbore external to the tubular while blocking flow of the fluid from the wellbore into the tubular;
controlling flow of the fluid from the tubular to a location on either side of the isolation device by actuating the valve system with a shifting section coupled to the tubular;
compensating for pressure below the isolation device to limit the effect of pressure below the isolation device on the shifting section while the isolation device is isolating the sections of the wellbore; and
performing at least one of a wellbore operation and an intervention operation with the tool in the wellbore.

US Pat. No. 10,392,901

DOWNHOLE TOOL METHOD AND DEVICE

ARDYNE HOLDINGS LIMITED, ...

1. A method of operating a downhole-tool, in which the downhole tool is designed to form part of a pipe string, and in which a valve is provided with a passage for fluid, the passage including an opening and closing mechanism, the method comprising:connecting a first valve portion to the pipe string;
connecting a second valve portion to a fishing device with a fixing device, the second valve portion being telescopic to be moved axially relative to the first valve portion;
pre-tensioning the first valve portion and the second valve portion by contraction of the downhole tool to an initial position, in which the opening and closing mechanism is open for fluid flow through the pipe string; and
displacing the second valve portion relative to the first valve portion by extension of the downhole tool to close the opening and closing mechanism to block fluid flow through the pipe string.

US Pat. No. 10,392,900

ACTUATION CONTROL SYSTEM USING PILOT CONTROL CIRCUIT

SCHLUMBERGER TECHNOLOGY C...

1. A system for actuating devices in a well, comprising:an actuation control system having:
a spool valve coupled to a well pressure line and a drain line on a first side of the spool valve and to a first actuation line and a second actuation line on a second side of the spool valve, the spool valve being shiftable to a plurality of operational positions based on pressures applied at a first port and a second port of the spool valve; and
a reference pilot control circuit coupled with the first port to establish a reference pressure at the first port while the second port is exposed to wellbore annulus pressure of a wellbore annulus, the reference pilot control circuit comprising a gas reservoir and a pair of opposed relief valves which enable the reference pressure to be established in the gas reservoir at a level higher than an input wellbore annulus pressure, wherein the input wellbore annulus pressure is either a predetermined value or normal wellbore annulus pressure.

US Pat. No. 10,392,898

MECHANICALLY OPERATED REVERSE CEMENTING CROSSOVER TOOL

WEATHERFORD TECHNOLOGY HO...

1. A crossover tool for use in a wellbore, comprising:a tubular housing having a bypass port;
a mandrel having a bore therethrough and a mandrel port in fluid communication with the mandrel bore, the mandrel movable relative to the tubular housing between a first position where the mandrel port is isolated from the bypass port and a second position where the mandrel port is aligned with the bypass port;
an actuator operable to move the mandrel between the first position and the second position, comprising:
a first piston connected to the mandrel; and
a second piston operable in response to the first piston; and
a first seat disposed in the mandrel and operable to actuate the actuator.

US Pat. No. 10,392,897

FLOW BACK RETRIEVAL METHOD FOR BOREHOLE PLUG WITH A LOWER SLIP ASSEMBLY

BAKER HUGHES, A GE COMPAN...

1. A method for retrieving at least one packer or bridge plug from a borehole to a surface location, comprising:creating a differential pressure on the set at least one packer or bridge plug in an uphole direction toward the surface;
overcoming slip grip on said at least one packer or bridge plug;
leaving at least one slip extended during said overcoming; and
capturing said at least one packer or bridge plug at the surface or in subsurface equipment.

US Pat. No. 10,392,896

FRUSTUM PLUGS FOR PIPELINES

1. A pipeline plug, comprising in combination:a rigid tapering frustum having an upstream end opposite a downstream end;
said upstream end having a larger width than a downstream end;
a flexible bladder located adjacent to an outer surface of said frustum;
said flexible bladder surrounding said frustum laterally;
a fluid port passing into an interior of said bladder for expanding said bladder away from said outer surface of said frustum and into engagement with a pipeline wall;
wherein said bladder includes an inner flexible wall and an outer flexible wall, with said interior of said bladder surrounded completely by said inner flexible wall and said outer flexible wall; and
wherein said inner flexible wall of said bladder is located closer to a centerline of said frustum than said outer flexible wall and an outer surface of said upstream end of said frustum, such that movement of said frustum in a downstream direction pushes said bladder and said inner flexible wall radially outwardly.

US Pat. No. 10,392,895

FLUID CONTAINMENT SYSTEM AND METHOD

1. A fluid containment system that attaches to a wellhead below a flowline of the rotating bearing assembly, the system comprising:a first pan body;
a floor of the first pan body;
a second pan body attachable to the first pan body wherein the first pan body and the second pan body secure to the wellhead below the flowline;
a floor of the second pan body;
a first attachment arm extending vertically above the first pan body, the first attachment arm secured to the floor of the first pan body inward from an outer edge of the first pan body;
a second attachment arm extending vertically above the second pan body, the second attachment arm secured to the floor of the second pan body inward from an outer edge of the second pan body;
a curtain that attaches to the first attachment arm and the second attachment arm, wherein the curtain attaches to the floor of the first pan body and the floor of the second pan body inward from the outer edge of the first pan body and the second pan body.

US Pat. No. 10,392,894

REMOTELY OPERATED BALL DROP AND NIGHT CAP REMOVAL DEVICE FOR WELLHEAD PRESSURE CONTROL APPARATUS

FHE USA LLC, Fruita, CO ...

1. A method for conducting intervention operations on a wellbore, comprising:disposing a combination well intervention apparatus proximate a pressure control apparatus coupled to the wellbore, the combination apparatus comprising at least a pressure control device adapter lockable in the pressure control apparatus and at least one other type of well intervention device coupled to the pressure control device adapter by a frame coupled to and laterally extending from the pressure control device adapter such that the pressure control device adapter and the at least one other type of well intervention apparatus is each selectably disposable over the pressure control apparatus by laterally moving the frame;
moving the frame laterally in a first direction to suspend the pressure control device adapter over the pressure control apparatus and locking the pressure control device adapter in the pressure control apparatus by operating a remotely operable locking device on the pressure control apparatus; and
moving the frame laterally in a different direction than the first direction so that the at least one other type of well intervention device is disposed over the pressure control apparatus.

US Pat. No. 10,392,892

RAPID MOBILIZATION AIR-FREIGHTABLE CAPPING STACK SYSTEM

TRENDSETTER ENGINEERING, ...

1. A method for transporting a capping stack for use in a subsea structure, the capping stack having a capping stack spool, at least one diverter leg, and a connector body, the method comprising:affixing the capping stack spool onto a first skid;
affixing the at least one diverter leg onto a second skid;
affixing the connector body onto a third skid;
moving the first, second and third skids with the affixed capping stack spool, the affixed at least one diverter leg, and the affixed connector body into a cargo bay of an aircraft;
flying the aircraft to a desired location;
removing the first, second and third skids with the affixed capping stack spool, the affixed at least one diverter leg and the affixed connector body from the cargo bay of the aircraft;
transporting the first, second and third skids with the affixed capping stack spool, the affixed at least one diverter leg, and the affixed connector body to a wellhead location;
removing the capping stack spool, the at least one diverter leg and the connector body from the respective first, second and third skids;
assembling the at least one diverter leg and the connector body to the capping stack spool so as to form the capping stack;
lowering the assembled capping stack to the subsea structure; and
affixing the assembled capping stack to the subsea structure.

US Pat. No. 10,392,891

TOP POT ASSEMBLY

18. An apparatus for securing a rubber within a rotating housing of a drilling assembly, the drilling string passing through the housing along a vertical axis, the apparatus comprising:an attachment body that attaches to the housing to secure the rubber within the housing, the attachment body having a top surface, a bottom surface, an interior edge, and an outer edge;
a central aperture of the attachment body allowing passage of the drilling string vertically through the attachment body;
the interior edge of the attachment body located adjacent the central aperture;
an outer fastener aperture located interior of the outer edge of the attachment body, the outer fastener aperture vertically accepting at least one fastener to attach the attachment body to the housing to enable the housing to rotate with the attachment body;
an inner fastener aperture located on the bottom surface of the attachment body, the inner fastener aperture located radially inward from the outer fastener aperture wherein the inner fastener aperture accepts at least one fastener to secure the rubber with the attachment body;
a sealing lip of the attachment body, the sealing lip protruding vertically downward from the bottom surface of the attachment body, wherein the sealing lip directly engages the rubber, the sealing lip located laterally outward from the interior edge wherein the sealing lip is located vertically below the bottom surface located between the sealing lip and the interior edge.

US Pat. No. 10,392,890

LARGE-WIDTH DIAMETER RISER SEGMENT LOWERABLE THROUGH A ROTARY OF A DRILLING RIG

AMERIFORGE GROUP INC., H...

1. A riser segment assembly comprising:a first flange comprising: a first mating face configured to mate with an adjacent riser segment, a first end spaced apart from the first mating face, a first flange central lumen extending between the first mating face and the first end, and an auxiliary hole configured to receive an auxiliary line;
a first main tube having a first end, a second end, and a first main tube central lumen extending between the first end and the second end, the first end of the first main tube welded or threaded to the first end of the first flange such that the first main tube central lumen is in fluid communication with the first flange central lumen;
an isolation unit configured to seal an annulus in the riser segment assembly if a drill string is disposed in the riser segment assembly, the isolation unit comprising:
a housing with a maximum transverse dimension, the housing further comprising:
a first housing portion having a first end, a second end, and a first housing portion central lumen extending between the first end and the second end, and a flange surrounding the first housing portion central lumen, the flange of the first housing portion defining a first recess extending radially inward from the maximum transverse dimension, the first end of the first housing portion welded or threaded to the second end of the first main tube such that the first housing portion central lumen is in fluid communication with the first main tube central lumen;
a second housing portion having a first end, a second end, and a second housing portion central lumen extending between the first end and the second end, and a flange surrounding the second housing portion central lumen, the flange of the second housing portion defining a second recess extending radially inward from the maximum transverse dimension, the first end of the second housing portion coupled to the second end of the first housing portion such that the second housing portion central lumen is in fluid communication with the first housing portion central lumen;
wherein the first recess is aligned with the second recess to define a passage that extends inwardly from an outer perimeter of the isolation unit such that the passage is radially open toward an exterior of the isolation unit;
a second main tube having a first end, a second end, and a second main tube central lumen extending between the first end and the second end, the first end of the second main tube welded or threaded to the second end of second housing portion such that the second main tube central lumen is in fluid communication with the second housing portion central lumen;
a second flange comprising: a second mating face configured to mate with an adjacent riser segment, a second end spaced apart from the second mating face, a second flange central lumen extending between the second mating face and the second end, and an auxiliary hole configured to receive an auxiliary line, the second end of the second flange welded or threaded to the second end of the second main tube such that the second flange central lumen is in fluid communication with the second main tube central lumen; and
an auxiliary line having a first end coupled to the first flange, a second end coupled to the second flange, and a medial portion laterally offset from the first end of the first flange and the second end of the second flange and disposed in the passage;
wherein the medial portion of the auxiliary line is aligned with the passage; and
wherein the riser segment assembly at the medial portion of the auxiliary line is sized to fit through a rotary of a drilling rig without removal of the auxiliary line.

US Pat. No. 10,392,888

CENTRALIZING AND PROTECTIVE ADAPTER FOR DOWNHOLE TORCH AND METHOD OF USE

ROBERTSON INTELLECTUAL PR...

1. An apparatus to modify or remove an obstruction or a downhole tool within a wellbore, comprising:a tubular body comprising a first end and a second end and configured to contain a fuel load and an initiator, wherein the fuel load is initiated to produce a molten thermite;
a nozzle positioned at the second end of the tubular body and configured to project the molten thermite onto the obstruction or the downhole tool; and
a first adapter configured to attach to the tubular body, wherein the first adapter comprises a seal between the first adapter and the tubular body and one or more protruding elements configured to align the nozzle over the obstruction or the downhole tool, wherein the first adapter is configured to at least partially surround the obstruction or the downhole tool such that the aligned nozzle projects the molten thermite directly onto the obstruction or the downhole tool, wherein the first adapter forms a barrier between a surrounding area of the wellbore and the projected molten thermite, and wherein the one or more protruding elements comprises a side wall, and the side wall includes an opening into the first adapter.

US Pat. No. 10,392,887

DOWNHOLE PAYLOAD RELEASE CONTAINERS, METHOD AND SYSTEM OF USING THE SAME

HALLIBURTON ENERGY SERVIC...

1. A payload container for delivering a payload to a wellbore, the payload container comprising:a blister container having a cavity formed therein with an edge about the perimeter of the cavity;
one or more payload substances contained within the cavity;
a lidding material to cover the cavity;
whereby the lidding material is bonded to the edge of the cavity so that the one or more payload substances can be released in response to an external stimulus,
wherein one or more of an external surface of the blister container and an external surface of the lidding material is porous, and
wherein one or more pores of the external surface of the blister container and/or the external surface of the lidding material is plugged with a stimulus-responsive material that will either degrade or cause the pores to swell or enlarge upon interaction with the external stimulus.

US Pat. No. 10,392,885

METHOD AND APPARATUS FOR PLUGGING A WELL

STATOIL PETROLEUM AS, St...

1. A method of plugging a well extending into a formation to facilitate temporary or permanent abandonment of the well, the method comprising:conveying, in one trip, a plug assembly and one or more explosive charges through the well together with a structure for providing a wet sealant, the structure comprising a stinger, wherein the plug assembly comprises a foundation plug conveyed at an end of the stinger and wherein the one or more explosive charges are attached to the stinger;
setting the plug assembly beneath a plug formation location prior to providing the wet sealant, wherein the foundation plug is suitable for supporting the wet sealant;
extruding the wet sealant through the stinger to the plug formation location so that the wet sealant is supported by the foundation plug, so as to submerge the one or more explosive charges in the wet sealant; and
detonating the one or more explosive charges in the wet sealant at the plug formation location to cut through a tubular or tubulars of the well and into the formation.

US Pat. No. 10,392,884

PRESSURE SET LINER HANGER/PACKER WITHOUT TUBING WALL PORT

BAKER HUGHES, A GE COMPAN...

1. An actuation assembly for a first and second tool mounted externally to a tubular mandrel having an open uphole end and no wall ports, comprising:the first and second tool mounted to the tubular mandrel;
a running tool mandrel selectively connected to an inner surface of said tubular mandrel through said uphole end and operably connected to a setting sleeve assembly disposed outside of said tubular mandrel, said setting sleeve assembly operably connected to said first and second tools and movable axially relative to said first and second tools for actuation thereof; and
an annular seal spanning an annular gap between said setting sleeve assembly and said running tool mandrel, said annular seal selectively connected to said setting sleeve assembly for movement of said setting sleeve assembly with pressure in a direction away from said first and second tools for actuation thereof.

US Pat. No. 10,392,883

CASING HANGER LOCKDOWN TOOLS

Cameron International Cor...

1. A system comprising:a lockdown tool for inhibiting movement of a casing hanger within a wellhead housing, the lockdown tool including:
an inner body;
an outer body coupled to the inner body; and
a locking mechanism carried by the inner body, wherein the locking mechanism can be selectively engaged by moving the outer body with respect to the inner body to secure the lockdown tool to the wellhead housing;
wherein the inner body and the outer body each include a central bore, the inner body includes at least one flow passage that is independent of the central bore of the inner body, the outer body includes at least one flow passage that is independent of the central bore of the outer body, and the flow passages of the inner and outer bodies together enable fluid flow through the lockdown tool apart from the central bores of the inner and outer bodies.

US Pat. No. 10,392,882

FLOW MONITORING USING DISTRIBUTED STRAIN MEASUREMENT

SCHLUMBERGER TECHNOLOGY C...

1. A method for monitoring flow, comprising:deploying a tubing string in a wellbore;
routing an optical fiber along an interior of the tubing string; anchoring the optical fiber at a plurality of anchor locations along the tubing, wherein a first anchor location is upstream of a lateral opening through the tubing string and a second anchor location is downstream of the lateral opening;
flowing a fluid along the interior of the tubing string;
using a laser interrogation system, coupled with the optical fiber, to obtain strain data from along the optical fiber;
determining a change in a flow condition of the fluid based on the strain data,
wherein determining comprises analyzing the strain data measured by the laser interrogation system to detect a strain signature caused by a radial flow of fluid through the lateral opening, the radial flow establishing tension and subsequent compression in the optical fiber, wherein the strain signature comprises a positive Brillouin frequency shift proximate a location of the lateral opening immediately followed by a negative Brillouin frequency shift; and
identifying occurrence and the location of the radial flow of fluid based on the detected strain signature.

US Pat. No. 10,392,881

HYDRAULIC FILTRATION AND PRESSURE TESTING DEVICE

DVZ HYDRAULICS LLC, Hous...

1. A filtration and testing device for simultaneously performing (a) cleaning of fluid used in oil and natural gas industry for completions, workovers, and commissioning of wells, (b) pressure testing of a first group of pressurized equipment using fluid cleaned by the filtration and testing device, and (c) pressure testing of a second group of pressurized equipment using fluid cleaned by the filtration and testing device, the filtration and testing device comprising:a. a support structure containing:
i. a cleaning cycle assembly comprising:
(a) a pump receiving: low pressure air from a low pressure air supply actuating the pump and wherein the actuated pump sequentially pulls:
(i) a first dirty hydraulic fluid from a first dirty hydraulic fluid supply; and
(ii) a second dirty hydraulic fluid from a second dirty hydraulic fluid supply;
(b) a multistage filtration device fluidly connected to the receiving the first or second dirty hydraulic fluid from the pump and producing a cleaned hydraulic fluid;
ii. a pressure testing cycle assembly comprising:
(a) a low pressure hydraulic fluid pump receiving a low pressure air from the low pressure air supply and receiving a cleaned hydraulic fluid from the cleaning cycle assembly and pumping a low pressure cleaned hydraulic fluid;
(b) a high pressure hydraulic fluid pump receiving a low pressure air from the low pressure air supply and receiving a cleaned hydraulic fluid from the cleaning cycle assembly and pumping high pressure cleaned hydraulic fluid;
(c) a low pressure fluid pump receiving a low pressure air from the low pressure air supply and receiving a secondary low pressure fluid from a fluid supply and pumping a low pressure fluid;
(d) a high pressure fluid pump receiving a low pressure air from the low pressure air supply and receiving a secondary high pressure fluid from the fluid supply and pumping a high pressure fluid; and
iii. a controller connected to each of the fluid pumps for regulating pressure of the low and high pressure cleaned hydraulic fluids and the low pressure and high pressure secondary fluids, the controller comprising:
(a) a low pressure cleaned hydraulic control section comparing to preset limits, the pressure of the low pressure air and low pressure cleaned hydraulic fluid;
(b) a high pressure cleaned hydraulic control section comparing to preset limits, the pressure of the low pressure air and high pressure cleaned hydraulic fluid;
(c) a low pressure secondary fluid control section comparing to preset limits, the pressure of the low pressure air and secondary low pressure fluid;
(d) a high pressure secondary fluid control section comparing to preset limits, the pressure of the low pressure air and secondary high pressure fluid; and
wherein the controller simultaneously (i) regulates the cleaning of the first and second dirty hydraulic fluids; (ii) regulates the flow of air and pressure of: high and low pressure cleaned hydraulic fluids for pressure testing of the first group of pressurized equipment, and (iii) regulates the flow of air and pressure of high and low pressure secondary fluids for pressure testing of the second group of pressurized equipment.

US Pat. No. 10,392,880

SMALL FOOTPRINT COILED TUBING APPARATUS

Gregg Drilling, LLC, Sig...

1. A coiled tubing conveyance apparatus, comprising:a tubing injector;
a guide roller frame having a coiled tubing reel attached thereto movably mounted on the tubing injector, the guide roller frame comprising at least one guide roller positioned on the guide roller frame to straighten a coiled tubing extended from the coiled tubing reel; and
a transverse motion apparatus coupled to the tubing injector and the guide roller frame such that the guide roller frame is movable transversely with respect to a direction of motion of coiled tubing through the tubing injector, wherein the transverse motion apparatus comprises a linear bushing disposed between the guide roller frame and the tubing injector.

US Pat. No. 10,392,879

TONG ASSEMBLY WITH TORQUE MEASUREMENT

WEATHERFORD TECHNOLOGY HO...

1. A tubular handling and connecting apparatus, comprising:a power tong;
a backup tong;
a load transfer assembly connected between the power tong and the backup tong, wherein the load transfer assembly includes a torque bar having a load cell positioned to measure a torque exerted on the torque bar about a longitudinal axis of the torque bar; and
a first support leg and a second support leg, wherein the backup tong is moveably attached to the first and second support legs, and the backup tong is movable along the first and second support legs.

US Pat. No. 10,392,878

CONTROL SYSTEM FOR ACTUATING DRILL PIPE RACK

Caterpillar Global Mining...

1. A control system configured to actuate a drill pipe rack, the drill pipe rack adapted to move between a first position and a second position, the control system comprising:a first actuator configured to actuate a top end of the drill pipe rack, the first actuator being supported by a first vertical support pipe;
a second actuator configured to actuate a bottom end of the drill pipe rack, the second actuator being supported by a second vertical support pipe;
a pump configured to supply pressurized fluid to the first actuator and the second actuator; and
at least one volumetric flow divider fluidly coupled to the pump, wherein the volumetric flow divider is configured to supply equal volumetric quantity of the pressurized fluid to the first actuator and the second actuator, and subsequently move the drill pipe rack between the first position and the second position,
wherein the first vertical support pipe is distinct from the second vertical support pipe, and the first vertical support pipe is separated from the second vertical support pipe in a vertical direction.

US Pat. No. 10,392,877

CHUCK FOR A DRILL HEAD OF A ROTATION DRILLING RIG

8. Jaw spring for a drill head chuck of a rotation drilling rig, wherein a plurality of jaws are equally angularly distributed around a grip position axis of the chuck, wherein the jaws co-operate with actuator means for radial movements of the jaws between a grip position and a release position, and wherein the jaw spring is arranged for influencing the jaws into the release position, whereinthe jaw spring is partially annular for surrounding said axis in its mounted position, and that it has two spring ends adjacent to each other,
the jaw spring is arranged for fixing engagement with one of the jaws, and
the jaw spring is provided with engagement means at each spring end for co-operation with a spring installation tool, and includes a flat cross section.

US Pat. No. 10,392,875

GRIPPER ASSEMBLY FOR CONTINUOUS ROD AND METHODS OF USE THEREOF

WEATHERFORD TECHNOLOGY HO...

1. A gripper assembly for handling continuous rod, comprising:a housing;
two or more gripper bars rotatably disposed in the housing, wherein each gripper bar includes a gripper face having a face width and a face length, and a gripper bar profile forming a surface in the gripper face, the gripper bar profiles make up a gripper profile, and rotation of the gripper bars varies the gripper profile adapted to various rod shapes and sizes; and
a fastener engaging with a bore in the housing and contouring on the gripper bars to secure the gripper bars in the housing.

US Pat. No. 10,392,874

SUB ASSEMBLY

DRILLTECH SERVICES (ASIA)...

1. A sub assembly for coupling to a drill string, the assembly comprising;a mandrel;
a sleeve arranged to be co-axially positioned about said mandrel;
a first stop arranged to prevent axial movement of the sleeve along the mandrel in a first direction;
a second stop arranged to prevent axial movement of the sleeve in a second direction;
wherein said second stop includes an annular collar arranged to be co-axially positioned about the mandrel, said collar having axially and circumferentially directed grooves on an inside face, said grooves engageable with pins projecting from said mandrel, such that the second stop is releasably engageable with the mandrel;
wherein the sub assembly further includes a stop ring arranged to be co-axially positioned about the mandrel, said stop ring having a plurality of axially projecting tabs, and
arranged to couple with the collar such that the tabs are arranged to be placed in sliding engagement with the axially directed grooves of said collar, wherein on engagement with said grooves, said tabs are arranged to prevent rotation of said collar so as to fix the collar to said pins and consequently the mandrel.

US Pat. No. 10,392,873

SELECTIVE SEAL STEM ANCHOR

SCHLUMBERGER TECHNOLOGY C...

1. A seal stem anchor assembly comprising:a tubular portion, the tubular portion having body lock threads disposed about a portion of an exterior of the tubular portion; and
an anchor assembly, the anchor assembly comprising:
an activation module disposed about the tubular portion and proximate the body lock threads;
a cone;
one or more anchor slips extending between the activation module and the cone; and
a helical spring disposed between the activation module and the cone, the helical spring biased so as to push the activation module away from the cone,
wherein the activation module comprises:
an activation module housing, the activation module housing having at least one slip receiving feature disposed in a first end and at least one housing cavity and associated opening disposed in a second end;
a lock lug disposed in the housing cavity;
a push pin disposed in the housing cavity and extending through the opening;
a biasing member disposed in the housing cavity so as to bias the lock lug towards the tubular portion.

US Pat. No. 10,392,872

PRESSURE CONTROL DEVICE FOR USE WITH A SUBTERRANEAN WELL

Weatherford Technology Ho...

7. A method of operating a pressure control device with a subterranean well, the method comprising:securing an inlet of the pressure control device to an item of well equipment;
then rotating an outlet of the pressure control device about a longitudinal axis of the inlet;
locking a swivel mechanism of the pressure control device, thereby preventing rotation of the outlet relative to the inlet, in which the locking comprises displacing an engagement member into engagement with at least one of multiple circumferentially distributed teeth; and
sealing off an annulus surrounding a tubular string extending through the inlet.

US Pat. No. 10,392,871

EARTH BORING SYSTEMS AND METHODS WITH INTEGRAL DEBRIS REMOVAL

American Piledriving Equi...

17. A drill string comprising:a bit portion;
a distal extension portion;
a proximal extension portion; and
a connecting portion; whereby
the bit portion is operatively connected to the distal extension portion and the connecting portion operatively connects the distal extension portion to the proximal extension portion to define
a supply path extending through the proximal extension portion, the connecting portion, the distal extension portion, and the bit portion to a cutter region associated with the bit portion; and
a return path extending from the cutter region through the bit portion, the distal extension portion, the connector portion, and the proximal extension portion; and
the bit portion defines at least one housing groove, where the return path extends at least partly through the at least one housing groove.

US Pat. No. 10,392,870

SYSTEMS AND METHODS OF SECURING AND PROTECTING WELLBORE CONTROL LINES

Halliburton Energy Servic...

13. A method, comprising:introducing a wellbore conveyance into a wellbore;
arranging at least one control line external to the wellbore conveyance; and
attaching the at least one control line to the wellbore conveyance with a length of wellbore tape extended around an outer circumference of the wellbore conveyance at an axial location, the wellbore tape including a substrate having a front surface with a plurality of wear-resistant coating strips laterally disposed on at least a portion thereof, wherein the plurality of wear-resistant coating strips include a plurality of ceramic tiles bonded to the front surface, wherein each of the plurality of wear-resistant coating strips has a height extending from the substrate, wherein the height of each of the plurality of wear-resistant coating strips and the front surface of the substrate define a plurality of radial gaps therebetween, and wherein at least one of the plurality of radial gaps is aligned with the at least one control line between the wear-resistant coating strips, and the at least one control line is disposed between the wellbore conveyance and the substrate, and a back surface with an adhesive layer disposed thereon, wherein the wellbore tape is affixed to itself at the axial location.

US Pat. No. 10,392,869

MARINE DRILLING RISER JOINT

ITREC B.V., Schiedam (NL...

1. A combination, comprising:a marine drilling riser joint, adapted for the securement of one or more umbilicals thereto, the riser joint comprising:
a riser pipe;
one or more peripheral lines extending parallel to the riser pipe;
one or more buoyancy modules arranged circumferentially around the riser pipe; and
connector fitting arrangements at each end thereof,
wherein the marine drilling riser joint further comprises one or more umbilical gutter assemblies, connected to or formed integral in an outer surface of a buoyancy module of the one or more buoyancy modules on the exterior of the marine drilling riser joint and provided parallel to the riser pipe, each of the umbilical gutter assemblies comprising:
an umbilical gutter adapted to accommodate one or more umbilicals; and
a resilient gutter cover, which is elastically deformable by a loom tool, the resilient gutter cover in a closed position covers the umbilical gutter and in an elastically deformed position provides a working clearance to allow the one or more umbilicals to be introduced into the umbilical gutter, and
wherein the combination further comprises a loom tool adapted to elastically deform a section of the resilient gutter cover and provide a working clearance for the one or more umbilicals to be introduced into the umbilical gutter.

US Pat. No. 10,392,868

MILLING WELLBORE CASING

SCHLUMBERGER TECHNOLOGY C...

1. A cutting insert for a milling tool, comprising:a body including:
a back face configured to be coupled to a milling tool, the back face having a planar surface;
a contact face adjacent the back face, a cut-out portion of the body reducing a width of the contact face;
a cutting face opposite the back face and adjacent the contact face, a contact angle defined by the cutting face and the contact face being between 75° and 145°, the cut-out portion defining a cut-out width between the cutting face and a front face opposite the back face, the cut-out width being between 50% and 80% of a width of the body; and
a chip-breaking face adjacent the cutting face, a face angle defined by the cutting face and the chip-breaking face being between 75° and 130°.

US Pat. No. 10,392,867

EARTH-BORING TOOLS UTILIZING SELECTIVE PLACEMENT OF SHAPED INSERTS, AND RELATED METHODS

Baker Hughes, a GE compan...

16. A method of drilling a subterranean formation, comprising:applying weight-on-bit to an earth-boring tool substantially along a longitudinal axis thereof and rotating the earth-boring tool; and
engaging a formation with a plurality of cutting elements and at least one shaped insert of the earth-boring tool, wherein each blade of a group of at least two circumferentially adjacent blades comprises some of the plurality of cutting elements proximate a front cutting edge of the blades and the at least one shaped insert located rotationally following the plurality of cutting elements on a respective blade of the group while each blade of one or more additional blades comprises some of the plurality of cutting elements proximate the front cutting edge of the blades while being entirely free of the at least one shaped insert, and wherein engaging the formation comprises shearing the formation with each of the plurality of cutting elements comprising a substantially planar cutting face while gouging the formation with the at least one shaped insert comprising a non-planar cutting face.

US Pat. No. 10,392,866

ROTATIONAL DRILL BITS AND APPARATUSES INCLUDING THE SAME

APERGY BMCS ACQUISITION C...

1. A subterranean support-bolt drill bit, comprising:a bit body rotatable about a central axis, the bit body having a forward end and a rearward end axially spaced away from the forward end;
at least one bit cutting element coupled to the bit body, the at least one bit cutting element comprising a cutting edge; and
a central pilot projecting from the bit body beyond the at least one bit cutting element in an axially forward direction, the central pilot comprising a plurality of pilot cutting elements mounted in cutter pockets defined in a forward end of the central pilot, wherein the plurality of pilot cutting elements are spaced from the bit body by a substantially cylindrical peripheral surface of the central pilot that extends axially between the bit body and the cutter pockets.

US Pat. No. 10,392,865

CUTTER FOR BORING HEAD

SANDVIK INTELLECTUAL PROP...

1. A cutter for a boring head, the cutter comprising:a shaft having a longitudinal axis mountable at a saddle of a boring head;
a frusto-conical roller body rotatably mounted about the shaft and having cutting elements provided at an external face;
bearings mounted within an annular cavity located radially between the shaft and the roller body;
a first passageway centred on the axis of the shaft and extending axially through the shaft from a first end, which first end is located at the distal end of the roller body having the smallest diameter;
a second passageway extending transverse or perpendicular to the first passageway to provide a fluid link between the first passageway and the cavity; and
an elongate overflow chamber centred on the axis of the shaft and formed as an elongate axial extension of the first passageway to extend axially through the shaft beyond the second passageway as a blind bore, the chamber having an unoccupied internal volume along its axial length configured to receive a lubrication fluid from the annular cavity.

US Pat. No. 10,392,864

ADDITIVE MANUFACTURING CONTROLLED FAILURE STRUCTURE AND METHOD OF MAKING SAME

BAKER HUGHES, A GE COMPAN...

1. A downhole component comprising:a first portion composed of a material;
a second portion composed of the same material as the first portion;
a controlled failure structure defined by a material property change in the material between the first portion and second portion, the controlled failure structure producing, upon failure, a previously unexposed downhole tool profile defined by a geometry of the controlled failure structure.

US Pat. No. 10,392,863

ARRANGEMENT FOR ASSIGNING AND DRILLING BORE HOLES

SANDVIK MINING AND CONSTR...

14. A method for drilling a round, the method comprising the steps of:providing a rock drilling rig having at least one rock drilling unit and a tool connected to the drilling unit;
drilling several drill holes for the round with the rock drilling rig during a drilling process;
determining with a sensing arrangement an actual position and direction of the tool; and
determining with at least one data processing device a forthcoming position of a bottom of a new drill hole before drilling the new drill hole, wherein the position of the new drill hole bottom is determined on the basis of a current location and direction of the tool and on a planned length of the new drill hole based only on a drilling pattern generated during the drilling process that takes into account the current location of the realized drill hole.

US Pat. No. 10,392,861

BRACKET AND SUPPORT FOR EXTENDED LENGTH SHADE

Geigtech East Bay LLC, C...

1. A bracket system for mounting a shade tube assembly, the system comprising:a bracket;
a shade tube assembly carried by the bracket and including a shade tube;
a shade coupled to the shade tube;
an upper portion, included in the bracket, configured to mount to a ceiling, the upper portion including a recessed portion;
a lower portion, included in the bracket and configured to support a plurality of roller assemblies, wherein the plurality of roller assemblies are configured to support the shade tube assembly along a longitudinal axis of the shade tube assembly;
an aperture included in the lower portion and extending along a vertical axis of the lower portion;
a spring configured to removably lock the lower portion to the upper portion, wherein the aperture houses the spring, and wherein the recessed portion is configured to receive an end of the lower portion such that the aperture aligns with the recessed portion when the lower portion is locked with the upper portion;
wherein when the lower portion is unlocked from the upper portion, the lower portion is unlocked from the recessed portion of the upper portion, the spring is configured to compress, and the lower portion remains coupled to the upper portion by at least the spring, and when the lower portion is locked with the upper portion, the lower portion is locked with the recessed portion.

US Pat. No. 10,392,860

SYSTEMS AND METHODS FOR CONTROLLING THE BLINDS

1. A system for controlling tilt angle of window blinds comprising;a tilt angle controlling device, consisting of:
a housing unit with a lid configured to secure to the housing unit;
a motor unit housed within the housing unit;
a gear unit operatively connected to the motor unit and configured to be rotated by the motor unit;
a hollow drive shaft coupled to the gear unit, the hollow drive shaft extending and passing through a full length of the housing unit;
a tilt rod receiving opening extending into the hollow drive shaft to receive a window blind tilt rod, the window blind tilt rod extending through the hollow drive shaft;
wherein the hollow drive shaft is configured to be rotated by the gear unit to rotate the window blind tilt rod, and
an electronic circuit unit with a transceiving unit within the housing unit and configured to receive control signals to activate the motor; and
a home automation wireless mesh network configured to control the tilt angle controlling device via the electronic circuit unit to enable the tilt angle controlling device to be operated in one or more modes, the home automation wireless mesh network comprises a user device, a networked device, and the tilt angle controlling device with the electronic circuit; and
the networked device configured to wirelessly communicate with the home automation wireless mesh network;
a command transferred from the networked device to the tilt angle controlling device based on the networked device sensing a predetermined value of a parameter, the command providing predefined instructions to operate the tilt angle controlling device;
wherein the command is transferred exclusively through a home automation wireless mesh network protocol associated with the home automation wireless mesh network;
wherein the networked device is one of a home automation controller, temperature sensor; a photo-sensor configured to sense light; or a distance sensor configured to determine a distance between the user device and the tilt angle controlling device; and
wherein the home automation wireless mesh network, in combination with the user device allows for wireless control of tilting of window blinds via the window blind tilt rod.

US Pat. No. 10,392,859

RAIL FOR AN ARCHITECTURAL COVERING

Hunter Douglas Inc., Pea...

1. A covering for an architectural opening, the covering comprising:a rail including a longitudinal length and defining a channel including a central channel portion and first and second channel portions separated from each other by said central channel portion;
first and second lift cords associated with said rail; and
an adjustment device including a first adjustment mechanism and a second adjustment mechanism, said first and second adjustment mechanisms being positioned at least partially at a first end of said rail and extending from said first end of said rail within said channel of said rail such that said first and second adjustment mechanism are separately positioned within said first and second channel portions, respectively, said first adjustment mechanism being coupled to said first lift cord and said second adjustment mechanism being coupled to said second lift lift cord to facilitate side-by-side adjusting of said first and second cords within said rail;
wherein:
separate movement of a portion of any one of said first and second adjustment mechanisms adjusts an effective length of the lift cord coupled thereto; and
said first and second channel portions are configured to support said first and second adjustment mechanisms, respectively, relative to said central channel portion for separate movement along at least a portion of said length of said rail.

US Pat. No. 10,392,858

BAND LIFT SYSTEM FOR SHADES

Hunter Douglas Inc., Pea...

19. A shade assembly comprising:a shade including a front side and a rear side;
a backing sheet coupled to the rear side of the shade, the backing sheet including a first side facing towards the rear side of the shade and an opposed second side facing away from the rear side of the shade, the backing sheet extending between a first end and a second end opposite the first end, the backing sheet having at least one horizontal tab extending along the second side of the backing sheet between the first and second ends that is formed by a portion of the backing sheet folded separate from the shade, the at least one horizontal tab defining an opening through the folded portion of the backing sheet;
a lift band having a lower end coupled to the backing sheet at a fixed connection point, the lift band being received through the opening defined in the at least one horizontal tab to form a slidable connection point between the lift band and the backing sheet along the second side of the backing sheet; and
a retention assembly coupling the lower end of the lift band to the backing sheet at the fixed connection point, the retention assembly including a first retention member and a second retention member, a portion of the first retention member configured to be inserted within an opening defined by said second retention member;
wherein:
the first retention member defines a slit extending through a portion of the first retention member; and
the lift band extends through the slit defined by the first retention member.

US Pat. No. 10,392,857

SHAKER DOORS WITH SOLID CORE AND METHODS FOR MAKING THEREOF

Masonite Corporation, Ta...

1. A shaker door, comprising:a) a rectangular peripheral frame;
b) two door facings attached to opposite sides of the rectangular frame, wherein the door facings both comprise a raised peripheral region, a transition surrounded by and immediately adjacent to and contiguous with the raised peripheral region, and a rectangular recessed panel terminating at opposite sides and opposite ends thereof at a continuous planar outer perimeter that is surrounded by, immediately adjacent to and contiguous with the transition, an entirety of the recessed panel within the continuous planar outer perimeter being planar and recessed from the raised peripheral region, the two door facings and the rectangular frame defining a cavity therebetween; and
c) a core filling the cavity, the core comprising one of:
i) a first core including a first portion at the recessed panel having a first density and a second portion having a second density less than the first density, the second portion disposed between the raised peripheral regions of the door facings,
ii) a second core including a first portion spanning substantially the entire area within the frame and having a thickness sufficient to fill the cavity between the recessed panels of the door facings, the first portion being sandwiched between two filler layers located at the raised peripheral regions of the door facings, or
iii) a third core including a first portion filling a portion of the cavity at the recessed panel and extending beyond the recessed panel, and a second portion filling the remaining cavity at the raised peripheral regions of the door facings.

US Pat. No. 10,392,856

MULLION FOR USE WITH NARROW STILE DOORS

1. A mullion adapted for use in a narrow stile door system, the mullion comprising:a mullion having a rectangular cross section with a first width, first depth and first height, and a flat front face that is adapted to face a door stile;
an I-shaped center section of the mullion having a thin, middle portion, wherein the depth of the I-shaped center section has a second depth that is approximately the same as the first depth of the rest of the mullion;
wherein thin, middle portion of the mullion has a second width of about ?th to one inch, the first depth is in the range of about 2 to 4 inches, and the middle portion of the mullion has a second height of about 8 to 12 inches; and
the mullion is comprised of a single, monolithic piece of metal.

US Pat. No. 10,392,855

DOMESTIC APPLIANCE COMPRISING A DIFFERENTIAL PRESSURE SENSOR

BSH Hausgeraete GmbH, Mu...

1. A domestic appliance, comprising:a carcass defining an internal space;
a door for closing said internal space;
a differential pressure sensor having a sensor membrane for detecting a pressure difference between an internal air pressure in said internal space and an external air pressure in an external space;
a door-opening aid for assisting a door opening process; and
a controller for controlling said door-opening aid according to the pressure difference detected by the differential pressure sensor, said controller being configured to acquire a pressure profile of the pressure difference, and to control said door-opening aid according to the pressure profile acquired, said controller being configured for detecting a gradient reversal of the pressure profile acquired, and for activating said door-opening aid if the gradient reversal is present.

US Pat. No. 10,392,854

SYSTEMS AND METHODS FOR AN AUTOMATIC SLIDING DOOR HAVING A SLIDE AND RAIL ASSEMBLY

1. An automatic sliding door system comprising:a sliding door panel disposed within an opening of a frame;
a slide coupled to the sliding door panel, the slide comprising:
a middle portion, a first side portion and a second side portion collectively defining an open channel in communication with a distal open end and an opposite proximal open end, the middle portion defining a runner portion forming an open channel extending along a length of the slide;
a linear slide rail in sliding engagement with the slide, the linear slide rail comprising:
a housing defining a channel in communication between a distal open end and a proximal open end; and
a linear run extending along the housing between the distal open end and the proximal open end, the linear run being configured to be received in the open channel of the runner portion, wherein the runner portion of the slide is in sliding engagement with the linear run of the linear slide rail;
a spool drive component coupled to the distal open end of the linear slide rail, the spool drive component comprising a first spool operatively coupled to a top cord and a bottom cord; and
a pulley component coupled to the proximal open end of the linear slide rail, the pulley component comprising a second spool operatively coupled to the top cord;
a motor operatively coupled to the spool drive component for driving the top cord and the bottom cord in different directions, respectively;
a microprocessor in operative communication with the motor for controlling operation of the spool drive component; and
an encoder in operative communication with the microprocessor for providing feedback to the microprocessor regarding the position and direction of movement of the sliding door panel, the encoder determining a respective position of a plurality of positions of the sliding door panel relative to the frame, and
wherein the encoder is programmed to detect a predetermined amount of pressure being applied to the door panel by an individual, and the microprocessor executes software instructions for adjusting a force for actuating and sliding the sliding door panel corresponding to the predetermined amount of pressure being applied to the sliding door panel.

US Pat. No. 10,392,853

POWERED ACCESSORY PORT CLOSURE LID

NIO USA, Inc., San Jose,...

1. An accessory port, comprising:a motor comprising a shaft and configured to rotate the shaft when energized;
a screw cam attached to the shaft and comprising a cam channel traversing the exterior of the screw cam partially rotationally traversing the exterior of the screw cam and partially longitudinally traversing the exterior of the screw cam;
a housing, comprising a guide pin engaging the cam channel; and
a lid attached to the screw cam;
wherein the motor, in response to being energized to rotate the shaft a first direction, provides a rotational force to the screw cam, the cam channel engaging the guide pin to translate a portion of the rotational force into a longitudinal force and thereby cause the lid to simultaneously be lifted away from the housing and rotated along the longitudinal axis.

US Pat. No. 10,392,852

AUTOMATIC DOOR OPERATOR

1. A door operating apparatus comprising:(a) a door mounted in a framed opening;
(b) a fluid pressure activated cylinder having an axially disposed piston coupled to the door so that the axial piston having a displacement which causes opening or closing movement of the door relative to the frame; the cylinder defining first and second cylinder chambers therein on opposite sides of the piston;
(c) a first push-pull valve having
(i) a fluid inlet port in communication with a source of pressurized fluid;
(ii) a fluid outlet port in communication with the first cylinder chamber;
(iii) a fluid pressure relief port; and
(iv) a displaceable spool member that is in a first position, thereby connecting the outlet port to the inlet port while sealing the relief port when the first push-pull valve is activated, and the spool member being in a second position, thereby connecting the outlet port to the relief port while sealing the inlet port when the first push-pull valve is deactivated;
(d) a second push-pull valve having
(i) a fluid inlet port in communication with a source of pressurized fluid;
(ii) a fluid outlet port in communication with the second cylinder chamber;
(iii) a fluid pressure relief port; and
(iv) a displaceable spool member that is in a first position, thereby connecting the outlet port to the inlet port while sealing the relief port when the second push-pull valve is activated, and said spool member being in a second position, thereby connecting the outlet port to the relief port while sealing the inlet port when the second push-pull valve is deactivated;
(e) a third push-pull valve having
(i) a fluid inlet port in communication with said fluid pressure relief port of said first and second push-pull valves;
(ii) a fluid outlet port;
(iii) a vent port to atmosphere; and
(iv) a displaceable spool member that is in a first position when said third push-pull valve is activated, thereby for connecting the fluid outlet port to the fluid inlet port while sealing the vent port, and said spool member being in a second position when said third push-pull valve is deactivated, thereby connecting the fluid inlet port to the vent port;
(f) a flow control vent valve connected by a transfer line to the fluid outlet port of the third push-pull valve, the flow control vent valve being adapted to exhaust fluid to atmosphere at an adjustable rate; and
(g) a pressure switch in fluid communication with the transfer line, and configured to maintain push-pull valves that are energized in an energized state at a pressure above a preselected threshold pressure, and further configured to de-energize all of said three push-pull valves at a pressure below said preselected threshold pressure.

US Pat. No. 10,392,851

APPARATUS AND METHOD FOR CLOSING A LIFTGATE OF A MOTOR VEHICLE

Ford Global Technologies,...

1. An apparatus for closing a liftgate, comprising:a handle displaceable between a stowed position and a deployed position;
a latch to releasably hold said handle in said stowed position;
an actuator to displace said handle into said deployed position; and
a release feature to release said latch and deploy said handle, said release feature including a remote activator.

US Pat. No. 10,392,849

ASSEMBLY AND METHOD TO SLOW DOWN AND GENTLY CLOSE DOOR

FORD GLOBAL TECHNOLOGIES,...

17. A motor vehicle door assembly comprising:a door; and
a selective power assist device having a manual mode and a power mode, the selective power assist device comprising:
a motor selectively operatively coupled to the door when in the power mode;
a clutch interposed between the motor and the door;
a brake assembly; and
a controller for controlling the motor, the clutch, and the brake assembly;
wherein the controller actuates the brake assembly upon an occurrence of a predetermined door angular velocity or a predetermined door angular position to thereby alternate the selective power assist device between the manual mode, wherein the clutch is actuated to an disengaged position and the motor is operatively decoupled from the door, and the power mode, wherein the clutch is actuated to an engaged position and the motor is coupled from the door.