US Pat. No. 10,138,830

SYSTEMS AND METHODS FOR ENGINE CONTROL

Ford Global Technologies,...

1. A method, comprising:during engine operation with a commanded amount of exhaust gas recirculation (EGR), responsive to at least one of an integrated knock intensity of an engine being greater than a threshold intensity and a fuel control correction of fuel supplied to the engine being greater than a threshold enrichment, setting an EGR rate to zero.

US Pat. No. 10,138,829

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. A control apparatus for an internal combustion engine configured to infect fuel into a cylinder, the internal combustion engine includingan EGR apparatus configured to supply a part of exhaust gas into the cylinder as EGR gas, and
a low density substance supply apparatus configured to supply a low density substance having a lower density than the EGR gas into the cylinder, the control apparatus comprising an electronic control unit configured to
(i) calculate an equivalence ratio of the internal combustion engine and
(ii) control the EGR apparatus and the low density substance supply apparatus such that, when the equivalence ratio is high, a supply rate of the low density substance increases and a supply rate of the EGR gas decreases relative to when the equivalence ratio is low.

US Pat. No. 10,138,828

EVAPORATED FUEL PROCESSING DEVICES

AISAN KOGYO KABUSHIKI KAI...

1. An evaporated fuel processing device configured to adsorb evaporated fuel within a fuel tank in a canister and supply the adsorbed evaporated fuel to an engine, utilizing a flow rate control valve as a valve positioned in a passage connecting the fuel tank with the canister, which is maintained in a valve closed state when a stroke amount representing an axially traveled distance of a movable valve part relative to a valve seat from an initial state of the flow rate control valve is less than or equal to a predetermined amount from an initial state so as to allow the fuel tank to be maintained in a sealed state, the evaporated fuel processing device comprising:a valve opening means for opening the flow rate control valve from the valve closed state at a predetermined speed;
an internal pressure sensor for detecting a space pressure within the fuel tank as an internal pressure;
a valve opening start position detecting means for acquiring a second derivative value of the internal pressure detected by the internal pressure sensor after a valve opening motion of the flow rate control valve has started, and for detecting a valve opening start position of the flow rate control valve based on the second derivative value;
a learning means for storing the valve opening start position detected by the valve opening start position detecting means as a learned value when valve opening control of the flow rate control valve is performed; and
a valve opening speed change means for changing a valve opening speed of the valve opening means based on a variation speed of the internal pressure detected by the internal pressure sensor.

US Pat. No. 10,138,827

EVAPORATIVE EMISSIONS SYSTEM CHECK VALVE MONITOR FOR A MULTI-PATH PURGE EJECTOR SYSTEM

Ford Global Technologies,...

1. A method comprising:storing fuel vapors from a fuel system, which supplies fuel to an engine, in a fuel vapor storage canister;
coupling the fuel vapor storage canister to an air intake of the engine through a second path having a second check valve which prevents unmetered air from being drawn into an intake manifold of the engine when a canister purge valve is open;
diagnosing whether the second check valve is stuck open based on a temperature change of the fuel vapor storage canister;
preventing positive pressure with respect to atmospheric pressure from being communicated to the fuel vapor storage canister under conditions of positive pressure in the intake manifold via a first check valve in a first path; and
wherein diagnosing whether the second check valve is stuck open includes an indication that the first check valve is not stuck open.

US Pat. No. 10,138,826

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

MASSACHUSETTS INSTITUTE O...

1. A fuel management system for a spark ignition engine that has a first fueling system that uses direct injection and also has a second fueling system that uses port fuel injection;and where the fueling is such that there is a first torque range where both the first and second fueling system are used throughout the range;
and where the fraction of fueling provided by the first fueling system is higher at the highest value of torque in the first torque range than in the lowest value of torque in the first torque range;
and where there is a second torque range where only the second fueling system is used;
where when the torque is higher than the highest value of torque in the second torque range the engine is operated in the first torque range;
and where the second torque range extends from zero torque to the highest torque in the second torque range.

US Pat. No. 10,138,825

CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE AND METHOD OF CONTROLLING INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A control system for controlling an internal combustion engine provided with a fuel injector configured to inject fuel into a cylinder of an engine body,the internal combustion engine having a temperature region, wherein, during chemical reactions of the fuel in a compression stroke in a cycle where premixed gas is made to burn by compression ignition in the cylinder, a change of ignition delay time accompanying a rise in a cylinder temperature of the cylinder when the cylinder temperature is in the temperature region is smaller than when the cylinder temperature is out of the temperature region,
the control system comprising a processor configured to
control the fuel injector to successively inject primary fuel and secondary fuel into the cylinder to burn the premixed gas by compression ignition inside the cylinder, and
when a self ignition timing of the secondary fuel is earlier than a self ignition timing of the primary fuel injected at a predetermined crank angle due to the secondary fuel being injected at a crank angle at which the cylinder temperature is higher than an upper boundary temperature of the temperature region,
control a ratio of the secondary fuel in a total fuel injection amount of the primary fuel and secondary fuel to be lower than when the self ignition timing of the secondary fuel is later than the self ignition timing of the primary fuel injected at the predetermined crank angle due to the secondary fuel being injected at a crank angle at which the cylinder temperature is within the temperature region.

US Pat. No. 10,138,824

TURBOCHARGED ENGINE CONTROL DEVICE

MAZDA MOTOR CORPORATION, ...

1. A turbocharged engine control device for controlling an engine equipped with a turbocharger having a compressor provided in an intake passage, based on a driving state of a vehicle mounting the engine, the engine comprising: an air amount control part for controlling an intake air amount according to a target torque; and an ignition timing control part for controlling an ignition timing of an ignition system, the turbocharged engine control device comprising:a basic target torque-deciding part for deciding a basic target torque based on a driving state of the vehicle including an accelerator pedal operation state;
a torque reduction amount-deciding part for deciding a torque reduction amount based on a driving state of the vehicle other than the accelerator pedal operation state; and
a final target torque-deciding part for deciding a final target torque based on the decided basic target torque and the decided torque reduction amount, wherein:
the air amount control part is operable to decide a target air amount required for the engine to output the final target torque, and control the intake air amount so as to realize the decided target air amount; and
the ignition timing control part is operable to control, according to the controlled intake air amount, ignition timing of the ignition system so as to enable the engine to output the decided final target torque,
and wherein the air amount control part is operable, when an operating state of the engine falls within a supercharging region where supercharging by the compressor is performed, to restrict a reduction in the intake air amount according to a reduction in the final target torque corresponding to a change in the torque reduction amount.

US Pat. No. 10,138,823

COMBUSTION ENGINE AIR INTAKE SYSTEM FOR MOTORCYCLE

KAWASAKI JUKOGYO KABUSHIK...

1. A combustion engine air intake system in a motorcycle,the combustion engine air intake system comprising:
a supercharger configured to be driven by power of a combustion engine of the motorcycle and compress intake air to be supplied to the combustion engine; and
an intake air control valve disposed on an upstream side of an impeller of the supercharger with respect to a flow direction of the intake air, and configured to adjust an amount of the intake air flowing into the impeller, wherein
the intake air control valve includes a plurality of valve bodies, the valve bodies being arranged in a circumferential direction, and
the intake air control valve is disposed so as to confront an inlet of the supercharger with respect to the flow direction of the intake air.

US Pat. No. 10,138,822

SYSTEMS AND METHODS FOR A SPLIT EXHAUST ENGINE SYSTEM

Ford Global Technologies,...

1. A method, comprising:adjusting a timing of a first set of cylinder exhaust valves to adjust a flow of exhaust from engine cylinders to an intake passage, upstream of a compressor, via an exhaust gas recirculation (EGR) passage, where the first set of cylinder exhaust valves open at a different time than a second set of cylinder exhaust valves coupled to an exhaust passage, wherein the adjusting the timing of the first set of cylinder exhaust valves is responsive to a condition of the compressor including one or more of condensate formation at the compressor, a compressor inlet temperature less than a lower threshold temperature, a compressor outlet temperature greater than an upper threshold temperature, and a compressor speed greater than a threshold speed.

US Pat. No. 10,138,821

METHOD OF MAKING A THROTTLE BODY

GM GLOBAL TECHNOLOGY OPER...

1. A method of making a throttle body assembly, comprising:casting a main body portion having a passage there through and mounting features for pivotally mounting a throttle valve within the passage;
forming an annular spigot from a metallic material by 3 dimensional printing; and
welding the annular spigot to the main body portion.

US Pat. No. 10,138,820

ELECTRONIC THROTTLE CONTROL ASSEMBLY WITH DEFAULT AIRFLOW ADJUSTMENT PIN

Continental Automotive Sy...

1. An apparatus, comprising:a throttle control assembly, including:
a housing defining a central port;
a valve plate disposed in the central port and mounted on a shaft;
an actuator for controlling the rotation of the valve plate and the shaft;
at least one gear, the rotation of the at least one gear controlled by the actuator, the rotation of the at least one gear controls the rotation of the shaft;
an opening spring having a first end;
a closing spring having a first end separated from and abutting the first end of the opening spring; the opening and closing springs being operable for biasing the at least one gear, such that the valve plate is placed in a default flow position; and
at least one adjustment pin attached to the housing such that the at least one adjustment pin contacts only the first end of the opening spring;
wherein the adjustment pin is constructed and arranged to be movable to change a position of the first end of the opening spring causing a position of the abutting first end of the closing spring to change relative to the housing to adjust the default flow position of the valve plate.

US Pat. No. 10,138,819

VEHICLE, STRADDLE-TYPE VEHICLE, AND METHOD OF DRIVING THROTTLE VALVE

KAWASAKI JUKOGYO KABUSHIK...

1. A straddle vehicle comprising:an engine including a plurality of combustion chambers;
a plurality of throttle valves provided at the plurality of combustion chambers to correspond to the plurality of combustion chambers, respectively, to independently adjust flow rates of intake air flowing into the plurality of combustion chambers, respectively;
two or more driving mechanisms for electrically driving the plurality of throttle valves divided into two or more groups in such a manner that each of the two or more driving mechanisms drives the throttle valve in a corresponding group of the two or more groups; and
an engine control unit for controlling the two or more driving mechanisms based on an amount of throttle operation information input by a rider and a predetermined vehicle state,
wherein when a predetermined output adjustment condition is not met, the engine control unit provides a common throttle opening rate command to the driving mechanisms, in response to the throttle operation information input by the rider,
wherein when the predetermined output adjustment condition is met, the engine control unit provides the common throttle opening rate command to at least one of the two or more driving mechanisms, and an adjustment throttle opening rate command, different from the common throttle opening rate command, to another driving mechanism of the two or more driving mechanisms,
wherein a change over time in a throttle opening rate occurring in response to the adjustment throttle opening rate command is set to be larger than a change over time in the throttle opening rate occurring in response to the common throttle opening rate command, and
wherein the predetermined output adjustment condition includes a condition in which the common throttle opening rate command is a command for increasing an output of the engine.

US Pat. No. 10,138,818

INTERNAL COMBUSTION ENGINE CONTROL SYSTEM

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

1. An internal combustion engine control system for controlling an internal combustion engine of a vehicle, comprising:an accelerator pedal operation amount detecting section for detecting an accelerator pedal operation amount of the vehicle by a driver;
a storage section that stores at least a first increase amount of a throttle opening degree with respect to an increase amount of an accelerator pedal operation amount as a first throttle opening degree characteristic and a second increase amount of a throttle opening degree larger than the first increase amount of a throttle opening degree with respect to the increase amount of an accelerator pedal operation amount as a second throttle opening degree characteristic;
an operating section for selecting the second throttle opening degree characteristic corresponding to an operation by the driver; and
a control section for controlling the throttle opening degree of the internal combustion engine, based on the first throttle opening degree characteristic or the second throttle opening degree characteristic and the detected accelerator pedal operation amount,
wherein the control section changes the first throttle opening degree characteristic to the second throttle opening degree characteristic on condition that an increase in the accelerator pedal operation amount larger than the predetermined operation amount by the driver occurs within a predetermined time after the selection of the second throttle opening degree characteristic by operation of the second operating section.

US Pat. No. 10,138,817

GAS TURBINE ENGINE GEARED COMPRESSOR WITH FIRST AND SECOND INPUT ROTORS

1. A booster assembly for a gas turbine engine having a first rotor assembly comprising a low pressure turbine drivingly connected to a fan via a first shaft and 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, the booster assembly comprising:a further compressor arranged to be disposed about said common axis between the fan and high-pressure compressor in a 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 such that the output rotor drives the further compressor, wherein
the gearing is a mechanical epicyclic gearing comprising at least one mechanical coupling including gears and teeth, and
the gearing comprises an electrical output rotor that is drivingly connected to an electrical machine, whereby the gearing drives both the output rotor connected to the further compressor and the electrical output rotor connected to the electrical machine.

US Pat. No. 10,138,816

FUEL PUMPING UNIT

ROLLS-ROYCE PLC, London ...

1. A fuel pumping unit comprising:a low pressure centrifugal pump and a high pressure centrifugal pump, the low pressure centrifugal pump supplying fuel at a boosted pressure to the high pressure centrifugal pump for onward supply to a fuel metering unit;
a drive input that drives the low pressure centrifugal pump and the high pressure centrifugal pump, the drive input being a single input drive shaft from an engine accessory gearbox;
a gear arrangement that is operatively located between the drive input and the low pressure centrifugal pump and the high pressure centrifugal pump such that the low pressure centrifugal pump and the high pressure centrifugal pump are driven at different speeds by the drive input;
a positive displacement start pump that is driven by the drive input via the gear arrangement; and
a selector valve that is configured to selectably provide a high pressure mode, a low pressure mode, and a start mode,
wherein:
in the high pressure mode, the low pressure centrifugal pump supplies fuel at the boosted pressure to the high centrifugal pressure pump for onward supply to the fuel metering unit, the selector valve isolating the start pump or recirculating fuel between the start pump and the selector valve;
in the low pressure mode, the fuel supply from the low pressure centrifugal pump to the high pressure centrifugal pump is shut off such that the high pressure centrifugal pump runs dry and the low pressure centrifugal pump supplies fuel to the fuel metering unit, the selector valve isolating the start pump or recirculating fuel between the start pump and the selector valve; and
in the start mode, the low pressure centrifugal pump supplies fuel at the boosted pressure to the start pump for onward supply to the fuel metering unit, and the fuel supply from the low pressure centrifugal pump to the high pressure centrifugal pump is shut off such that the high pressure centrifugal pump runs dry.

US Pat. No. 10,138,815

SYSTEM AND METHOD FOR DIFFUSION COMBUSTION IN A STOICHIOMETRIC EXHAUST GAS RECIRCULATION GAS TURBINE SYSTEM

General Electric Company,...

1. A system, comprising:a turbine combustor comprising a first diffusion fuel nozzle, wherein the first diffusion fuel nozzle is configured to produce a diffusion flame;
a turbine driven by combustion products from the diffusion flame in the turbine combustor;
an exhaust gas compressor, wherein the exhaust gas compressor is configured to compress and route an exhaust gas from the turbine to the turbine combustor along an exhaust recirculation path; and
a catalyst heat and recovery system disposed along the exhaust recirculation path, wherein the catalyst heat and recovery system is configured to receive exhaust gas extracted from a plurality of exhaust gas extraction points, wherein the plurality of exhaust gas extraction points comprises the exhaust gas compressor, the turbine combustor, the turbine, or any combination thereof, wherein the catalyst heat and recovery system comprises:
a first catalyst unit disposed inside of the catalyst heat and recovery system, wherein the first catalyst unit is configured to adjust a composition of the exhaust gas; and
a first heat recovery unit disposed inside of the catalyst heat and recovery system and upstream of the first catalyst unit.

US Pat. No. 10,138,814

GAS TURBINE ENGINE HEAT MANAGEMENT SYSTEM

1. A method of managing oil cooling and fuel heating in a gas turbine engine, the method comprising:a) distributing oil from a pumped oil supply into first and second oil flows, the second oil flow being parallel to the first oil flow;
b) transferring heat from the first oil flow to a fuel flow;
c) using ambient air to cool the second oil flow; and
d) using a first fixed restrictor and a second fixed restrictor to respectively limit the first and second oil flows differently, in response to viscosity changes of the oil caused by temperature changes of the oil during engine operation, comprising directing the first oil flow through the first fixed restrictor including a diaphragm having a flow orifice, and directing the second oil flow through the second fixed restrictor including a plurality of holes extending though a body, the plurality of holes being smaller in diameter and longer in axial length than the flow orifice of the first fixed restrictor.

US Pat. No. 10,138,813

OIL BEARING WITH DRAIN SYSTEM, GAS TURBINE COMPRISING SUCH AN OIL BEARING

Siemens Aktiengesellschaf...

1. An oil bearing (OB) to support a rotor of a turbine, wherein said rotor extends along a rotor axis coinciding with a bearing axis (x), comprising:at least one oil bearing pad (BP) being lubricated by oil,
an oil sump (OS) suitable and located to collect said oil from said at least one oil bearing pad (BP) by forces of gravity,
a drain system of said oil sump (OS) adapted to conduct said oil away from said oil sump (OS),
wherein said drain system comprises at least three drain openings (OP1, OP2, OP3) of said oil sump (OS), comprising
a first drain opening (OP1) joining a first drain line (ODL) located between 4 o?clock and 5 o?clock according to said bearing axis (x),
a second drain opening (OP2) joining a second drain line (ODL) located between 5:30 and 6:30 o?clock,
a third drain opening (OP3) joining a third drain line (ODL) located between 7 o?clock and 8 o?clock,
wherein the clock positions refer to positions of the respective opening as seen when looking along the bearing axis with an upper-most position being a twelve o?clock position.

US Pat. No. 10,138,812

GAS TURBINE ENGINE BEARING CHAMBER SEALS

ROLLS-ROYCE plc, London ...

1. A gas turbine engine sealing air system comprising:a bearing chamber seal to prevent lubricant fluid loss from a fluid chamber, the sealing effected by ingress of sealing air;
an air vent duct coupled to the bearing chamber seal;
a starter air system of the gas turbine engine;
wherein the starter air system comprises a starter air turbine, a starter air valve and a starter air supply duct coupled therebetween,
a compressor of the gas turbine engine, the compressor being coupled to the sealing air system;
an ejector located within the air vent duct to pump sealing air from the bearing chamber seal and through the air vent duct; and
a first duct coupled between the starter air system and the ejector to provide motive fluid to the ejector during gas turbine engine starting, wherein
air from the starter air system is at a higher pressure than air available from the compressor during gas turbine engine starting,
the first duct is coupled only to the starter air supply duct and the ejector, and
the air supply duct is coupled only to the starter air turbine, the starter air valve and the first duct.

US Pat. No. 10,138,811

ENHANCED TEMPERATURE CONTROL ANTI-ICE NOZZLE

The Boeing Company, Chic...

1. An apparatus for preventing formation of ice on an engine, the apparatus comprising:a nozzle housing having an internal cavity defining an internal volume of the nozzle housing, wherein the nozzle housing is configured to receive gases from a compression stage of the engine, and wherein the nozzle housing is further configured to provide at least some of the gases to a leading edge housing of the engine;
a first nozzle included in a first portion of the nozzle housing, wherein the first nozzle is configured to generate a first flow pattern, and is further configured to generate a first flow of a first portion of the gases received from the compression stage, the first flow being provided into an internal volume of the leading edge housing based on the first flow pattern; and
a second nozzle included in a second portion of the nozzle housing, wherein the second nozzle includes a concentric nozzle having an inner flange and an outer flange, wherein the inner flange defines a through-hole that passes through the second nozzle and the nozzle housing, wherein the second nozzle is configured to generate a second flow pattern based on a second portion of the gases received from the compression stage, wherein the second nozzle is configured to generate a second flow of the second portion of the gases into the internal volume of the leading edge housing based on the second flow pattern, the second flow passing between the inner flange and the outer flange.

US Pat. No. 10,138,810

METHOD AND APPARATUS FOR POWER STORAGE

Highview Enterprises Limi...

1. A cryogenic energy storage system comprising:a cryogenic storage tank for storing a cryogen;
a power recovery system including:
a pump in fluid communication with the cryogenic storage tank, wherein the pump is for compressing the cryogen from the storage tank;
a first heat exchanger;
a first expansion turbine;
a first pathway for conveying the compressed cryogen through the first heat exchanger for heating the compressed cryogen;
a second pathway through the first expansion turbine for expanding and converting the heated compressed cryogen into a low pressure exhaust gas for extracting power from the cryogen;
a third pathway for conveying the low pressure exhaust gas through the first heat exchanger for heating the compressed cryogen and cooling the low pressure exhaust gas;
a first thermal store;
a fourth pathway through the first thermal store;
a fifth pathway for conveying the cooled low pressure exhaust gas to the fourth pathway through the first thermal store for use as a first source of a working fluid;
a co-located liquefier including:
a second source of the working fluid;
a second heat exchanger having a length;
a compressor;
second and third expansion turbines;
a phase separator;
a sixth pathway for conveying the working fluid from the first and second sources of the working fluid through the compressor;
a seventh pathway for conveying a first portion of the compressed working fluid through the second expansion turbine and part of the length of the second heat exchanger to the fourth pathway through the first thermal store; and
an eighth pathway for conveying at least a part of a second portion of the compressed working fluid through the third expansion turbine and part of the length of the second heat exchanger to the phase separator to convert some of the second portion of the working fluid into new cryogen.

US Pat. No. 10,138,809

GEARED TURBOFAN ENGINE WITH A HIGH RATIO OF THRUST TO TURBINE VOLUME

United Technologies Corpo...

1. A gas turbine engine turbine comprising:a high pressure turbine configured to rotate with a high pressure compressor as a high pressure spool in a first direction about a central axis;
a low pressure turbine configured to rotate in said first direction about said central axis;
a fan connected to the low pressure turbine via a gear reduction and will rotate in said first direction,
wherein the engine is configured to have a ratio of a thrust provided by said engine, to a volume of a turbine section including both said high pressure turbine and said low pressure turbine that is greater than or equal to about 1.5 and less than or equal to about 5.5 lbf/in3; and
said thrust is sea level take-off, flat-rated static thrust.

US Pat. No. 10,138,808

DUAL PISTON ENGINE COMPRESSION DEVICE

1. A dual piston engine compression device comprising:an engine block having a plurality of cylinders, each cylinder having a pair of linearly aligned open ends;
a pair of piston crankshafts, each said piston crankshaft being positioned on a respective side of said engine block, each said piston crankshaft being positioned in alignment with said cylinders;
a plurality of pistons, each of said pistons being positioned in an associated one of said cylinders to provide an opposed pair of said pistons within each said cylinder, each of said pistons being operationally coupled to an associated one of said piston crankshafts such that rotation of said piston crankshaft moves said piston within said associated cylinder, each said piston having an end protrusion, said end protrusion being disc-shaped and having a diameter less than a diameter of a main section of said piston, said end protrusion being concentric with said main section of said piston such that said piston has a uniform lip extending around a distal end of said piston;
a pair of gears, each said piston crankshaft being coupled to and rotated by an associated one of said gears, said gears being geared together wherein rotation of said piston crankshafts is coordinated such that said piston crankshafts alternately urge oppositely positioned said pistons together and apart within said associated cylinders as said piston crankshafts rotate;
a plurality of intake conduits, each intake conduit extending through said engine block and being in environmental communication with an associated one of said cylinders, each said intake conduit being positioned between said opposed pair of said pistons such that said distal ends of each of said opposed pair of pistons remains spaced offset from crossing a central longitudinal axis of said intake conduit and only said end protrusion extends over said intake conduit when said opposed pair of said pistons are each fully extended into said associated one of said cylinders;
a plurality of intake valves, each said intake valve being positioned in an associated one of said intake conduits; and
an intake camshaft, each of said intake valves being coupled to said intake camshaft, said intake camshaft being rotated by rotation of said gears wherein each said intake valve moves within said associated intake conduit such that each said intake valve is configured for urging a fuel into said associated cylinder when the fuel is introduced into said associated intake conduit.

US Pat. No. 10,138,807

DRIVE DEVICE PROVIDED WITH XY-SEPARATING CRANK MECHANISM

Z MECHANISM TECHNOLOGY IN...

1. A drive device for an engine comprising:a first cylinder in a first mount plane located on one side of a central reference plane;
a first piston in the first cylinder reciprocatively along a first direction within the first mount plane;
a first crankshaft extending orthogonal to the first mount plane;
a first XY separation crank mechanism between the first piston and the first crankshaft within the first mount plane, which converts reciprocating motion of the first piston and rotary motion of the first crankshaft into each other;
a second cylinder in a second mount plane located on an opposite side of the central reference plane and located symmetrical to the first mount plane with regard to the central reference plane;
a second piston in the second cylinder reciprocatively along a second direction symmetrical to the first direction within the second mount plane;
a second crankshaft extending orthogonal to the second mount plane;
a second XY separation crank mechanism between the second piston and the second crankshaft within the second mount plane, which converts reciprocating motion of the second piston and rotary motion of the second crankshaft into each other; and
a coupler-synchronizing mechanism which couples the first crankshaft and the second crankshaft with each other and rotates the first crankshaft and the second crankshaft in a synchronous motion with each other,
the first XY separation crank mechanism comprising: a first support member component provided reciprocatively along in the first direction and including a first support portion extending along the first direction, a second support portion extending from the first support portion along a third direction orthogonal to the first direction within the first mount plane and a third support portion extending from the first support portion along the third direction to oppose the second support portion with a gap therebetween; a first crank connection member provided between the second support portion and the third support portion of the first support member to be reciprocative along the third direction within the first mount plane, which engages with a crankpin of the first crankshaft to be rotatable; and a first coupling member which couples the first piston and the first support member with each other,
the second XY separation crank mechanism comprising: a second support member provided reciprocatively along the second direction and including a first support portion extending along the second direction, a second support portion extending from the first support portion along a fourth direction orthogonal to the second direction within the second mount plane; and a third support portion extending from the first support portion along the fourth direction and opposing the second support portion with a gap therebetween, a second crank connection member provided between the second support portion and the third support portion of the second support member to be reciprocative along the fourth direction within the second mount plane, which engages with a crankpin of the second crankshaft to be rotatable, and a second coupling member which couples the second piston and the second support member with each other,
the first crank connection member and the second crank connection member, each comprising a first sliding portion supported by the second support portion to be reciprocative along the third direction or the fourth direction, a second sliding portion supported by the third support portion to be reciprocative along the third direction or the fourth direction, and a through-hole extending along a direction orthogonal to the first direction and the second direction, to which the crank of the first crankshaft or the second crankshaft is penetrated rotatably, and
each of the first crank connection member and the second crank connection member being separated along a separated plane passing through a central axis of the through-hole and orthogonal to the first direction or the second direction into a first connection member including the first sliding portion and a second connection member including the second sliding portion, separation surfaces of the first and second connection members being formed into an uneven concave and convex surface configuration arranged along an axial direction of the through-hole, and the first connection member and the second connection member being mounted to the crankpins and engaged with each other while the separation surfaces are abutted against each other.

US Pat. No. 10,138,806

CONTROL DEVICE AND CONTROL METHOD FOR VEHICLE DRIVE MECHANISM

Hitachi Automotive System...

1. A control device for a vehicle drive mechanism including a moving body which is movably supported, two stoppers, each of which defines an end of a movability range of the moving body, an actuator which drives the moving body in a moving direction, and a sensor which senses a position of the moving body, the control device comprising:a learning unit that learns an output of the sensor corresponding to a contact state of each of the two stoppers,
wherein the learning unit executes the learning for a high-rigidity stopper of the two stoppers prior to the learning for a low-rigidity stopper of the two stoppers.

US Pat. No. 10,138,805

SIX-STROKE AND EIGHT-STROKE INTERNAL COMBUSTION ENGINES

1. A method for improving the efficiency of an internal combustion engine, having a cycle, for each cylinder of the engine, including intake, compression, power, and exhaust strokes, the method comprising:inserting two strokes into the cycle in addition to the intake, compression, power, and exhaust strokes:
wherein no material other than air is introduced into each cylinder during either of the additional two strokes; and
wherein the two additional strokes occur at a time in the cycle for each cylinder after the end of the compression stroke, before combustion occurs, and before the power and exhaust strokes of the cycle.

US Pat. No. 10,138,804

ROTARY INTERNAL COMBUSTION ENGINE

1. A method of controlling an air intake flow in a rotary engine having a rotor received in an internal cavity of an outer body and defining rotating chambers of variable volume, the rotary engine having a primary inlet port, a secondary inlet port, and an exhaust port, the secondary inlet port being in communication with the exhaust port through each of the rotating chambers throughout respective portions of a revolution of the rotor, the method comprising:positioning the secondary inlet port rearwardly of the primary inlet port and forwardly of the exhaust port along a direction of the revolution of the rotor;
positioning the secondary inlet port so as to be in communication with the exhaust port throughout portions of the revolution of the engine;
providing independently closable communications between an air source and the primary and secondary inlet ports;
controlling air intake flows between the air source and the primary and secondary inlet ports through the independently closable communications, including simultaneously allowing the air intake flow between the primary inlet port and the air source and allowing the air intake flow between the secondary inlet port and the air source, wherein exhaust gases of the engine are purged with the air intake flow between the secondary inlet port and the air source.

US Pat. No. 10,138,803

WASTEGATE FOR AN ENGINE SYSTEM

Ford Global Technologies,...

1. A wastegate, comprising:a valve plate including an interior with a multiplane curved surface and a first mating feature centered along the curved surface, the curved surface forming a raised edge and a side opening on opposite sides of the valve plate; and
a passage bifurcated by a central wall, an end of the central wall including a second mating feature adapted to have face-sharing contact with the first mating feature;
wherein the passage includes a constricted section positioned upstream of the valve plate, on a first side of the passage, where the first side of the passage is aligned with the second side of the valve plate;
wherein the passage further includes a lip formed downstream of the constricted section, the lip having a larger diameter than the constricted section;
wherein the end of the central wall is arranged flush with the lip and wherein an outer end of the rib that is adapted to mate with the end of the central wall is arranged flush with the raised edge.

US Pat. No. 10,138,802

POSITION CONTROL OF FLOW CONTROL VALVES NEAR ENDSTOPS

1. A method of controlling wastegate valve flow area in a turbocharger of an engine, the method comprising:receiving, by a controller, a request to fully close a wastegate valve, the wastegate valve being actuated by an actuator that is operable to move between endstop positions corresponding to the wastegate valve being fully-open and fully-closed, the actuator being configured to operate at a duty cycle corresponding to opening and closing of the wastegate valve;
in response to receiving the request to fully close the wastegate valve, commanding, by the controller, the actuator to a desired position past the endstop position corresponding to the fully-closed wastegate valve while rate-limiting a velocity of the actuator;
obtaining, by the controller, a learned endstop position corresponding to the fully-closed wastegate valve when (I) a difference between the commanded position and a sensed position reaches a threshold difference and (ii) the velocity decreases below the rate limit to obtain the learned endstop position;
receiving, by the controller, a request to open the wastegate valve; and
in response to receiving the request to open the wastegate valve, controlling, by the controller, the actuator based on the learned endstop position.

US Pat. No. 10,138,800

SYSTEM AND METHOD FOR MANAGING CONDENSATION IN EGR SYSTEMS

Cummins, Inc., Columbus,...

1. A method of controlling condensation in a low pressure loop exhaust gas recirculation system, the method comprising:receiving an EGR condensation temperature factor from at least one first sensor;
determining an EGR condensation temperature of recirculated exhaust gas upstream of an EGR cooler in the low pressure loop exhaust gas recirculation system based on the EGR condensation temperature factor; and
providing EGR coolant to the EGR cooler at or above the EGR condensation temperature.

US Pat. No. 10,138,799

TWO-STAGE PRECOMBUSTION CHAMBER FOR LARGE BORE GAS ENGINES

Prometheus Applied Techno...

1. A two-stage precombustion chamber comprising:a first prechamber stage enclosing a first prechamber volume, the first prechamber stage comprising:
one or more first stage holes communicating between the first prechamber volume and a second prechamber volume;
a primary electrode disposed within the first prechamber volume; and
one or more ground electrodes disposed within the first prechamber volume and offset from the primary electrode to form one or more electrode gaps; and
a second prechamber stage enclosing the second prechamber volume, the second prechamber stage comprising:
one or more second stage holes communicating between the second prechamber volume and a combustion chamber volume; and
a fuel admission point configured to admit fuel into the second prechamber volume.

US Pat. No. 10,138,798

HEAT ACCUMULATOR

MAHLE International GmbH,...

1. A heat accumulator for use in a motor vehicle, the heat accumulator comprising:a heat storage tank integrated into a motor oil circuit, through which the motor oil flows when an engine is running, and which is decoupled from the motor oil circuit when the engine is turned off, wherein an oil pan of the engine is provided as the heat storage tank and is provided with heat-insulating tank walls; and
a metal element for increasing a heat capacity of the heat accumulator,
wherein the metal element is a wall coating provided on interior walls of the heat storage tank, such that the wall coating contacts motor oil present inside of the heat storage tank,
wherein the heat storage tank includes an outer tank and an inner tank provided inside the outer tank, each of the outer tank and the inner tank being formed of the heat-insulating tank walls that are made of plastic,
wherein an intermediate thermal insulation layer is provided between the inner tank and the outer tank, such that the intermediate thermal insulation layer surrounds all sides of the inner tank, and
wherein the intermediate thermal insulation layer directly contacts an inner wall surface of the outer tank.

US Pat. No. 10,138,797

INTERNAL COMBUSTION ENGINE

NISSAN MOTOR CO., LTD., ...

1. An internal combustion engine comprising:a cylinder block in which at least one cylinder is formed;
a cylinder head including an intake port and an exhaust port, the cylinder head being integrally formed with the cylinder block;
a water jacket covering circumferences of the cylinder, the intake port, and the exhaust port;
a partition wall dividing the water jacket into a cylinder block side and a cylinder head side;
a combustion chamber formed by the cylinder, a piston arranged to be reciprocated within the cylinder, and the cylinder head, wherein
the exhaust port is connected from one side surface side of the internal combustion engine to a top portion of the combustion chamber;
the intake port is connected from an other side surface side of the internal combustion engine to the top portion of the combustion chamber;
the partition wall is connected to a connection portion between the top portion of the combustion chamber and the exhaust port, on the one side surface side of the internal combustion engine, with respect to the combustion chamber; and
the partition wall is connected to a side portion of the combustion chamber, on the other side surface side of the internal combustion engine, with respect to the combustion chamber; and
a knock sensor mounting boss provided on a side surface of the other end surface side of the internal combustion engine, at a position on an extension line of the partition wall.

US Pat. No. 10,138,796

FERRITIC STAINLESS STEEL FOR AUTOMOTIVE EXHAUST SYSTEM, WHICH HAVE EXCELLENT CORROSION RESISTANCE AGAINST CONDENSATE, MOLDABILITY, AND HIGH-TEMPERATURE OXIDATION RESISTANCE, AND METHOD FOR MANUFACTURING SAME

POSCO, Pohang-si (KR)

1. A ferritic stainless steel, comprising: by wt %, C: more than 0 and 0.01% or less, Cr: 9 to 13%, Si: 0.5 to 1.0%, Mn: more than 0 and 0.5% or less, P: more than 0 and 0.035% or less, S: more than 0 and 0.01% or less, Ti: 0.15 to 0.5%, N: more than 0 and 0.01% or less, Sn: 0.05 to 0.5%, and Fe and unavoidable impurities as the remainder,wherein Sn concentrated at a surface part of the stainless steel is 10 times or more than Sn concentrated at a base part of the stainless steel,
the surface part extends from a surface of the stainless steel to a depth of 1 ?m and the base part is the remainder of the stainless steel, and
0.5 to 1.5% Sn is included in the surface part of the stainless steel.

US Pat. No. 10,138,795

PLENUM CHAMBER FOR EXHAUST SYSTEM

Faurecia Emissions Contro...

1. A vehicle exhaust system component assembly comprising:a first exhaust component defining a first center axis along an exhaust gas flow path;
a second exhaust component downstream of the first exhaust component and defining a second center axis that is spaced apart from and generally parallel to the first center axis, wherein the second exhaust component encloses a catalyst substrate, and wherein the first and second exhaust components are spaced apart from each other by an area that extends along a length of the second exhaust component that is defined along a direction that extends along the second center axis;
a plenum positioned within the area, the plenum having a first end connected to the first exhaust component and a second end connected to the second exhaust component, and a center portion that extends between the first and second ends, and wherein the plenum is defined by a non-uniform cross-sectional shape as the plenum extends along a length from the first end to the second end, and wherein the center portion has a width that defines the widest open internal area of the plenum, wherein the plenum extends along at least 75% of the length of the catalyst substrate; and
a doser mounted to the plenum, the doser configured to inject a reducing agent to mix with exhaust gases within the plenum.

US Pat. No. 10,138,794

METHODS OF CLEANING GAS SENSORS

1. A method for cleaning a gas sensor used in an exhaust gas system including an exhaust gas stream supplied by an exhaust gas source through an exhaust gas conduit, and a gas sensor having a sampling end disposed within the exhaust gas conduit, the method comprising:positioning at least one glow plug proximate the gas sensor; and
activating the at least one glow plug such that exhaust gas deposits accumulated on the gas sensor sampling end are removed.

US Pat. No. 10,138,793

EXHAUST GAS PURIFICATION SYSTEM AND METHOD FOR CONTROLLING THE SAME

Bosch Corporation, Tokyo...

4. A method for controlling an exhaust gas purification system including a diesel particulate filter (DPF) for collecting exhaust particles contained in exhaust gas; a reducing agent injection valve for injecting urea aqueous solution as a reducing agent in the exhaust gas; an SCR catalyst for using the urea aqueous solution to purify NOx contained in the exhaust gas, in this order from the exhaust upstream side, and an engine controller, the method comprising:predicting whether or not the urea aqueous solution will be solidified when it is assumed that the internal-combustion engine is stopped in a period from when forced regeneration of the DPF is started to when it is ended or within a predetermined period from when it is ended; and notifying an operator of the internal-combustion engine when predicting that the urea aqueous solution will be solidified.

US Pat. No. 10,138,792

EXHAUST GAS CONTROL APPARATUS AND CONTROL METHOD FOR EXHAUST GAS CONTROL APPARATUS

Toyota Jidosha Kabushiki ...

1. An exhaust gas control apparatus comprising:a dust collection device configured to apply a direct current voltage between a charging electrode and a counter electrode, and to collect particulate matter on an oxidation substrate that is arranged inside the counter electrode, the charging electrode being arranged in a flow channel for exhaust gas containing particulate matter, and the counter electrode constituting at least a part of an inner wall surface of the flow channel;
an oxidation treatment device configured to apply an alternating current voltage between an oxidation electrode and the counter electrode, and to subject the particulate matter deposited on the oxidation substrate to an oxidation treatment, the oxidation electrode being provided in the oxidation substrate and being at least partially covered with a dielectric; and
an electronic control unit configured to control the dust collection device and the oxidation treatment device,
the electronic control unit being configured to estimate a distribution of a deposition amount of the particulate matter deposited on the oxidation substrate in a flow direction of exhaust gas, based on input information including at least a flow rate of exhaust gas and a mass of the particulate matter in exhaust gas, setting information including at least an electric field intensity between the charging electrode and the counter electrode, and history information on the oxidation treatment by the oxidation treatment device, and
the electronic control unit being configured to carry out the oxidation treatment by the oxidation treatment device when the deposition amount of at least a part of the deposited particulate matter exceeds a threshold.

US Pat. No. 10,138,791

METHOD OF CLEANING UP A PARTICULATE FILTER OF AN INTERNAL COMBUSTION ENGINE

GM GLOBAL TECHNOLOGY OPER...

9. An internal combustion engine comprising a particulate filter and an electronic control unit configured to:operate the internal combustion engine to regenerate the particulate filter;
measure, using a sensor, a value of an engine speed, during the regeneration; and
control a temperature of the particulate filter if the measured value of the engine speed is smaller than or equal to a predetermined threshold value thereof;
wherein the electronic control unit is configured to boost, using an electric compressor disposed in an intake duct of the internal combustion engine, the internal combustion engine, and supply, using an exhaust gas recirculation valve which is in fluid communication with an exhaust pipe and with an intake duct of the internal combustion engine, the internal combustion engine with an amount of recirculated exhaust gases for controlling the particulate filter temperature.

US Pat. No. 10,138,790

HEAT RECOVERY DEVICE OF A VEHICLE AND AN ASSEMBLY HAVING THE SAME

FORD GLOBAL TECHNOLOGIES,...

1. A heat recovery device comprising:a coolant path segment; and
a thermal expansion bracket
having two end portions supported by the coolant path segment and a middle portion supported by an exhaust gas path segment that is spaced a distance away from the coolant path segment, and
configured to deform in response to an increase in temperature to increase the distance and decrease heat transfer between the segments.

US Pat. No. 10,138,789

EXHAUST GAS TREATMENT SYSTEMS UTILIZING A PLURALITY OF REDUCED-RESISTANCE MIXERS

1. An exhaust gas treatment system comprising:an ICE configured to communicate exhaust gas to a selective catalytic reduction device (SCR) via a conduit defined by an outer periphery;
a reductant injector configured to communicate reductant into the conduit upstream from the SCR;
a first mixer disposed within the conduit upstream from the reductant injector, wherein the first mixer comprises a plurality of first blades extending between a center region of the conduit to the conduit periphery, wherein each of the first blades at least partially obstructs fluid flow through the conduit and are angled relative to a cross sectional plane of the conduit such that fluid flow is permitted between adjacent first blades, and the plurality of first blades form a first turbulence plane defined by a first plane angle measured from the two outermost first blades of the first turbulence plane; and
a second mixer disposed within the conduit downstream from the reductant injector and upstream from the SCR, wherein the second mixer comprises a plurality of second blades extending between a center region of the conduit to the conduit periphery, wherein each of the second blades at least partially obstructs fluid flow through the conduit but are angled relative to a cross sectional plane of the conduit such that fluid flow is permitted between adjacent second blades, and the plurality of second blades form a second turbulence plane defined by a second plane angle measured from the two outermost second blades of the second turbulence plane;wherein the first plane angle and the second plane angle are not collectively greater than 360 degrees.

US Pat. No. 10,138,788

MIXING STRUCTURE

HINO MOTORS, LTD., Hino-...

1. An exhaust system with a mixing structure having a lattice board axially with a number of flow passages and arranged halfway in the exhaust system, an additive added upstream of the lattice board being hit on flow passage walls in said lattice board for dispersion and facilitated vaporization of the additive, said mixing structure comprising said lattice board arranged obliquely in a flow changing portion halfway in the exhaust system where the exhaust gas flows curvedly so as to bisect an angle in said flow changing portion made by inflow and outflow directions of the exhaust gas from upstream of and discharged downstream of said flow changing portion, respectively, fins arranged on discharge sides of the flow passages in the lattice board and extending parallel to the outflow direction of the exhaust gas to guide flows of exhaust gas to the outflow direction from the flow changing portion, and an injector arranged to inject the additive in the outflow direction of said exhaust gas to an entry side of said lattice board such that the flow passage walls in said lattice board on which hit is the exhaust gas from upstream of said flow changing portion have rear surfaces on which hit is a spray of the additive from said injector,wherein any deviant flow of the exhaust gas outward of the curved direction by the flow passages in the lattice board is remedied and the flows of the exhaust gas discharging from the flow passages in the lattice board are guided to the outflow direction to provide an exhaust gas straightening effect by the flow passages and the fins.

US Pat. No. 10,138,786

EXHAUST GAS PURIFICATION APPARATUS OF INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. An exhaust gas purification apparatus of an internal combustion engine comprising:an adding valve which is provided in an exhaust passage of the internal combustion engine and configured to add an ammonia precursor or ammonia into the exhaust passage; and
a selective reduction-type NOx catalyst which is provided in the exhaust passage on a downstream side of the adding valve and configured to reduce NOx using ammonia adsorbed inside the catalyst,
the exhaust gas purification apparatus of an internal combustion engine configured to control an ammonia adsorption amount of the selective reduction-type NOx catalyst by adding the ammonia precursor or ammonia using the adding valve,
the exhaust gas purification apparatus of an internal combustion engine further comprising:
a controller programmed to:
estimate the ammonia adsorption amount based on at least one prescribed parameter related to the ammonia adsorption amount and estimate a specific ammonia adsorption amount that is an estimated value of the ammonia adsorption amount specified by at least one of a maximum value and a minimum value of an estimated value of the ammonia adsorption amount based on an error in the at least one prescribed parameter; and
when the specific ammonia adsorption amount is outside a target range of the ammonia adsorption amount, control addition of the ammonia precursor or ammonia using the adding valve such that the specific ammonia adsorption amount returns to the target range, wherein
the controller is further programmed to:
estimate an ammonia adsorption amount of the selective reduction-type NOx catalyst based on the at least one prescribed parameter that does not take the error in the at least one prescribed parameter into consideration, and
set a range of the ammonia adsorption amount including a prescribed allowable error as the target range with respect to an ammonia adsorption amount of the selective reduction-type NOx catalyst which is estimated based on the at least one prescribed parameter that does not take the error in the at least one prescribed parameter into consideration.

US Pat. No. 10,138,785

ARRANGEMENT FOR AND METHOD OF FEEDING AMMONIA CONTAINING FLUID INTO THE EXHAUST GAS PASSAGE OF A COMBUSTION PLANT

Sumitomo SHI FW Energia O...

1. An arrangement for feeding ammonia containing fluid into an exhaust gas passage of a combustion plant comprising:a first fluid line connectable in flow connection with a source of an ammonia containing fluid;
a second fluid line in flow connection with a source of a dilution fluid; and
an open flow path controller for controlling multiple valve members of a valve unit, each of the valve members having a first inlet in flow connection with the first fluid line, a second inlet in flow connection with the second fluid line and an outlet in flow connection with an outlet channel connected to the exhaust gas passage, the valve members being connected in parallel so that the outlet of each of the valve members is in flow connection with the outlet channel, wherein the open flow path controller is adapted for controlling each of the valve members to maintain an open flow path from either of the first inlet or the second inlet to the outlet, so as to feed a flow of either the ammonia containing fluid or the dilution fluid via the valve member to the outlet channel.

US Pat. No. 10,138,784

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. An internal combustion engine, comprising:an electronic control unit including a computer and processor for executing programs stored in memory of the computer, the electronic control unit configured to detect the state of the internal combustion engine based on outputs from a plurality of sensors located on the engine and control the state of the internal combustion engine based on the outputs;
a positive crankcase ventilation (PCV) valve that ventilates a crankcase by causing suction of an in-case gas into an intake passage;
a three-way catalyst and an NOx storage/reduction catalyst disposed in an exhaust passage; and
the electronic control unit drives an actuator of the internal combustion engine,
wherein the electronic control unit is programmed to:
perform a stoichiometric control for making the internal combustion engine run in a stoichiometric region including a theoretical air-fuel ratio and a lean control for making the internal combustion engine run in a lean region that is leaner than the stoichiometric region, and,
when it is determined by the electronic control unit that ventilation is necessary for the crankcase, the electronic control unit extracts as a ventilation condition, a combination of an air-fuel ratio of an air-fuel mixture, a fuel injection amount and an intake manifold pressure with which a ventilation amount of the in-case gas per unit time increases among combinations of those, and changes the air-fuel ratio, the fuel injection amount and the intake manifold pressure in accordance with the ventilation condition,
wherein the extraction concerning the air-fuel ratio is performed within an allowable air-fuel ratio range in which the three-way catalyst and the NOx storage/reduction catalyst are capable of purifying an exhaust gas and ensuring in-cylinder combustion of the air-fuel mixture, and
wherein the air-fuel ratio and the fuel injection amount extracted as the ventilation condition meets a relationship that maintains a constant engine torque before and after the change.

US Pat. No. 10,138,783

METHOD FOR THERMALLY REGULATING AN INJECTOR FOR INJECTING A REDUCING AGENT INTO AN EXHAUST PIPE OF AN INTERNAL COMBUSTION ENGINE

GM GLOBAL TECHNOLOGY OPER...

1. A method for thermally regulating an injector injecting a reducing agent into an exhaust pipe of an internal combustion engine, the internal combustion engine having an engine coolant circuit including a main coolant pump configured to deliver coolant from a main coolant tank to the internal combustion engine, and an auxiliary coolant circuit including an auxiliary pump configured to deliver the coolant from an auxiliary coolant tank to a heat exchanger in heat exchange relation with the injector, the auxiliary coolant tank in fluid communication with the main coolant tank to accumulate the coolant from the engine coolant circuit, the method comprising:activating, by a processor, the auxiliary pump to deliver a coolant in the auxiliary coolant circuit to the heat exchanger in heat exchange relation with the injector;
determining, by the processor, a value of a mass flow rate of the coolant delivered by the auxiliary pump;
calculating, by the processor, a value of a temperature of the injector as a function of the determined value of the mass flow rate;
calculating, by the processor, a difference between the calculated value of the injector temperature and a predetermined set-point value thereof; and
controlling, by the processor, the mass flow rate of the coolant delivered by the auxiliary pump based on the calculated difference.

US Pat. No. 10,138,782

MICROCHIP OXYGEN SENSOR FOR CONTROL OF INTERNAL COMBUSTION ENGINES OR OTHER COMBUSTION PROCESSES

KERDEA TECHNOLOGIES, INC....

1. A method of sensing oxygen in exhaust gases from a combustion process, comprising:simultaneously heating a substrate of a microchip oxygen sensor and passing current through a sensing circuit of the microchip oxygen sensor;
measuring a resistance of the oxygen sensing circuit;
wherein the heating the substrate comprising passing a first current through a heater pattern affixed to the substrate;
wherein the sensing circuit comprises:
a first electrode affixed to the substrate and having a first plurality of fingers forming a first comb;
a second electrode affixed to the substrate and having a second plurality of fingers forming a second comb, the second electrode disposed in spaced relation to the first electrode such that the first and second combs face each other;
a semiconducting layer disposed over the first and second electrodes so as form a physical semiconductor bridge between the first and second electrodes;
wherein passing the current through the sensing circuit comprises passing the current from the first electrode to the second electrode via the semiconducting layer;
wherein the microchip oxygen sensor is disposed in an exhaust gas stream during the heating, the passing current, and the measuring;
wherein the microchip oxygen sensor comprises the heater pattern, the first and second electrodes, and the semiconducting layer;
wherein the microchip oxygen sensor further comprises a porous dielectric protective layer covering the semiconducting layer, wherein the porous dielectric protective layer contains a catalytic precious metal;
wherein the substrate, electrodes, semiconducting layer, and protective layer are disposed in stacked order such that:
the first and second electrodes are in direct contact with the semiconducting layer;
the semiconducting layer is physically isolated from the substrate by electrodes;
the protective layer is physically isolated from the combs of the electrodes by the semiconducting layer;
wherein the method further comprises passing some of the exhaust gas through the protective layer to reach the electrodes.

US Pat. No. 10,138,781

METHOD AND SYSTEM TO IMPROVE COLD-START CATALYST LIGHT-OFF

Ford Global Technologies,...

1. A turbocharger system, comprising:a shaft rotationally coupled to a turbine and a compressor; and
a shaft locking mechanism that inhibits movement of the shaft responsive to engine cold-start conditions, wherein the shaft locking mechanism is a passive shaft locking mechanism, and wherein the passive shaft locking mechanism includes a phase-transitioning material that surrounds the shaft and is within recesses of the shaft.

US Pat. No. 10,138,780

METHOD OF OPERATING AN AUTOMOTIVE SYSTEM

GM GLOBAL TECHNOLOGY OPER...

8. An exhaust gas aftertreatment system for an internal combustion engine in an vehicle comprising:a particulate filter having a selective catalytic reduction washcoat;
a lean NOx trap upstream of the particulate filter; and
an electronic control unit for controlling a regeneration of the exhaust gas aftertreatment system, the electronic control unit configured to:
monitor a lean NOx trap inlet temperature;
monitor a parameter representative of a quantity of NOx stored in the lean NOx trap;
use a map correlating the lean NOx trap inlet temperature and the quantity of NOx stored in the lean NOx trap to determine an ammonia quantity produced during a lean NOx trap regeneration at such values of the lean NOx trap inlet temperature and of the parameter representative of a quantity of NOx stored in the lean NOx trap; and
performing a lean NOx trap regeneration when the estimated ammonia quantity is greater than a threshold value thereof.

US Pat. No. 10,138,779

SELECTIVE CATALYTIC REDUCTION FILTER DEVICES HAVING NOX STORAGE CAPABILITIES

1. An exhaust gas treatment system, the system comprising:an exhaust gas source;an exhaust gas conduit capable of receiving an exhaust gas stream from the exhaust gas source;an oxidation catalyst device in fluid communication with the exhaust gas conduit, wherein the oxidation catalyst device includes a water-absorbing alkali oxide; anda selective catalytic reduction filter (SCRF) device in fluid communication with the exhaust gas conduit and disposed downstream relative to the oxidation catalyst device, wherein the SCRF device includes:a filter having an upstream side and a downstream side,a selective catalytic reduction (SCR) catalyst disposed on at least a portion of the filter, and
a NOx storage coating on at least a portion of the filter.

US Pat. No. 10,138,778

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. An exhaust purification system of an internal combustion engine, comprising:a particulate filter which is provided in an engine exhaust passage;
a selective reduction catalyst which is provided in the engine exhaust passage at a downstream side from said particulate filter in a direction of exhaust flow;
an ammonia ingredient feed device which feeds an ammonia ingredient to said selective reduction catalyst;
a control device which controls the amount of feed of ammonia ingredient from said ammonia ingredient feed device so that the amount of the ammonia ingredient which is adsorbed at said selective reduction catalyst becomes a target adsorption amount; and
a filter regeneration system which performs filter regeneration processing to remove PM which has built up on said particulate filter, when an execution start condition of the filter regeneration processing stands,
wherein when removal of PM which has built up on said particulate filter is demanded, so long as the execution start condition of the filter regeneration processing by said filter regeneration system does not stand, said target adsorption amount is decreased a plurality of times in stages, and
said execution start condition of the filter regeneration processing is changed to a different condition at each stage of said target adsorption amount.

US Pat. No. 10,138,777

APPARATUS AND METHODS FOR EVALUATING A SOOT QUANTITY ACCUMULATED IN A SELECTIVE CATALYTIC REDUCTION WASHCOATED PARTICULATE FILTER

1. A method of evaluating a soot quantity accumulated in a selective catalytic reduction wash-coated particulate filter (SCRF) of an exhaust gas treatment system, the method comprising:injecting reductant proximate the SCRF via a reductant injector;
determining one or more of a reductant injection quantity value to be injected by the reductant injector, a NOx quantity value at an inlet of the selective catalytic reduction wash coated particulate filter, a temperature value at the inlet of the selective catalytic reduction wash coated particulate filter, and a mass flow value of an exhaust gas;
computing a correction value of a soot quantity using a map correlating the one or more determined reductant quantity value, the NOx quantity value, the temperature value, and the mass flow value;
detecting an apparent soot burning operating temperature; and
correcting an estimated value of the soot quantity using the correction value in order to obtain an evaluated value of the soot quantity when the step of injecting reductant does not occur at the apparent soot burning operating temperature;
wherein the apparent soot burning operating temperature comprises a temperature at which a pressure difference (?P) across the SCRF improperly implies an actual soot burning.

US Pat. No. 10,138,776

EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE

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

1. An exhaust gas purifying device that is provided in an exhaust channel of an internal combustion engine and purifies exhaust gas of the internal combustion engine, the exhaust gas purifying device comprising:a columnar honeycomb carrier in which a plurality of cells, which extend from an inlet-side end face to an outlet-side end face of exhaust gas to form pathways of exhaust gas, is divided and formed by porous partition walls; and
a tubular case member that houses the honeycomb carrier via a retaining member, wherein the honeycomb carrier includes a sloped part or stepped part formed at an outer circumferential side of both end faces in a central axis direction thereof and formed so that a cross-sectional area orthogonal to the central axis direction becomes larger towards a side of an outer circumferential edge thereof, and is retained inside of the case member by the sloped part or stepped part catching in an inner wall of the case member via the retaining member,
wherein the case member has reduced-diameter parts provided to at least part of an end on an exhaust gas inlet side thereof and with an inside diameter smaller than the outside diameter of a central part of the honeycomb carrier, excluding the sloped part or stepped part in the inlet-side end face,
wherein the reduced-diameter parts are provided along arc-shaped regions spanning a predetermined retaining length around a center among the circumferential edge of the tubular case member, and
wherein the arc-shaped regions are indented inward of the tubular case member toward the center of the circumferential edge of the case member.

US Pat. No. 10,138,775

HOLDING MATERIAL, METHOD FOR PRODUCING SAME, AND GAS TREATMENT DEVICE USING SAME

NICHIAS CORPORATION, Tok...

1. A holding material comprising:a first mat comprising inorganic fibers of only a first type, the first type of inorganic fibers being alumina fibers that comprise 60 wt % or more of alumina and 40 wt % or less of silica; and
a second mat comprising inorganic fibers of only a second type, the second type of inorganic fibers being silica fibers that comprise 60 wt % or more of silica and 40 wt % or less of alumina, and having a surface pressure higher than that of the first mat as measured at a gap bulk density of 0.30 g/cm3,
wherein the holding material is configured to be placed in a gap between a processing structure and a casing in a gas treatment device with the processing structure disposed in the casing, such that the first mat of the holding material comes in contact with the processing structure.

US Pat. No. 10,138,774

SILENCER FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE

GM GLOBAL TECHNOLOGY OPER...

1. A silencer for an internal combustion engine of a motor vehicle having a turbocharger having a turbocharger connector and a charge air cooler having a feed line, the silencer comprising:a turbocharger module having a first inlet interface configured to be fastened to the turbocharger connector, a first outlet interface and a first passage duct extending through the turbocharger module; and
a resonator module having a second inlet interface detachably fastened with a fastener to the first outlet interface of the turbocharger module forming a plug connection interface, a second outlet interface configured to be fastened to the feed line, a second passage duct extending through the resonator module and in communication with the first passage duct, and a resonator chamber in communication with the second passage duct via a choke formed in the resonator module.

US Pat. No. 10,138,773

SINGLE HANDED OIL FILTER PUNCHER TOOL SYSTEM AND METHOD

1. A single handed oil filter puncher tool, the tool comprising:a puncher tool assembly having;
a combination handle and guide shaft having;
a handle at a proximate end;
a guide shaft including;
a hollow inner tube;
at least one guide slot; and
an opening at a distal end;
a latch assembly mounting tab having;
a latch assembly mounting bolt hole;
a latching assembly including;
a first pivot nut and bolt assembly;
a pivoting latch lever having;
 latching notch; and
 a lever tab including;
 a first lever pivot hole;
an activation lever having;
 a second lever pivot hole;
a second pivot nut and bolt assembly; and
a latching spring;
an outer sliding sleeve having;
a latching cleat;
a punch assembly retainer bolt;
a driving spring;
a sliding punch assembly including;
a piercing pin having;
a tapered point at the proximate end; and
a threaded male distal end;
a striking head having;
a threaded receiver and
a threaded retainer bolt hole;
wherein said handle and said guide shaft are oriented in a single plane at an angle of ninety degrees with respect to each other;
wherein said handle and said guide shaft work together in functional combination as a structural support and handling means;
wherein said combination handle and guide shaft, said outer sliding sleeve, said sliding punch assembly, and said latching assembly work together in functional combination as a means for single handedly piercing an oil filter when mounted on a vehicle engine;
wherein said sliding punch assembly, said punch assembly retainer bolt, and said outer sliding sleeve work together in functional combination and slide along said guide shaft;
wherein depth of said threaded retainer bolt hole is configured such that said punch assembly retainer bolt can be tightened against said striking head such that said striking head is clear of said guide shaft as a means for enabling movement and guidance of said sliding punch assembly within said hollow inner tube;
wherein said threaded male distal end of said piercing pin is a means for removably connecting said piercing pin from said threaded receiver of said striking head;
wherein said sliding punch assembly is retained within and slides inside said guide shaft by said hollow inner tube;
wherein said outer sliding sleeve is mounted outside and slides along said guide shaft;
wherein said sliding punch assembly is forced along said hollow inner tube by said driving spring;
wherein said sliding punch assembly is cocked into position by sliding said punch assembly retainer bolt and said outer sliding sleeve as a means for compressing said driver spring to a point that said latching assembly engages said latching notch into said latching cleat;
wherein said latching spring automatically engages said latching notch into said latching cleat with and is held into place by force due to said latching spring;
wherein said activation lever is a means for releasing said latching notch from said latching cleat;
wherein said guide slot retains said punch assembly retainer bolt as a means for guiding said sliding punch assembly along said hollow inner tube and said outer sliding sleeve along said guide shaft;
wherein said guide slot limits travel distance of functional combination of said punch assembly retainer bolt along said hollow inner tube and said outer sliding sleeve along said guide shaft; and
wherein said latching assembly mounting bolt and said latching assembly mounting self-locking nut are fastened to said latch assembly mounting tab as a means for supporting said latching assembly.

US Pat. No. 10,138,772

SYSTEM AND METHOD FOR REDUCING FRICTION

Ford Global Technologies,...

16. A vehicle, comprising:an engine including a transmission fluidly coupled to a natural gas source via a flow control valve,
the transmission being fluidly coupled to a fresh air intake line of a PCV system; and
a controller having executable instructions stored in memory to
deliver natural gas from the natural gas source to the transmission responsive to a blow-by flow rate being less than a PCV valve flow rate.

US Pat. No. 10,138,771

OIL BYPASS STRUCTURE OF OIL COOLER

MAHLE FILTER SYSTEMS JAPA...

1. An oil bypass structure of an oil cooler comprising:a bypass passage within which oil bypassing a heat exchange section of the oil cooler flows;
an outlet side passage within which oil passing through the heat exchange section flows; and
a bypass valve disposed at a connection portion between the bypass passage and the outlet side passage,
the bypass valve including a valve element including an inside passage which is formed within the valve element, and within which the oil flows, the bypass passage being connected to the bypass valve from a direction perpendicular to an axial direction of the valve element,
the bypass valve being arranged to be closed to shut off a flow of the oil from the bypass passage to the outlet side passage by the valve element such that the oil passing through the heat exchange section flows within the inside passage, and to be opened to connect the bypass passage and the inside passage such that the oil passing through the bypass passage flows within the inside passage,
wherein
the bypass valve includes a coil spring arranged to constantly urge the valve element in a valve closing direction;
the valve element includes a pressure receiving surface which is formed on an outer circumference of the valve element, and which is arranged to receive a force in a valve opening direction from the oil within the bypass passage; and
the valve element is arranged to be moved in the valve opening direction to connect the inside passage and the bypass passage when the pressure of the oil flowing within the inside passage is decreased, and when the pressure of the oil acting on the pressure receiving surface becomes greater than an urging force of the coil spring.

US Pat. No. 10,138,770

VEHICLE AND CONTROL METHOD FOR VEHICLE

Toyota Jidosha Kabushiki ...

1. A vehicle comprising:a driving force source including at least one electric motor;
a mechanical oil pump;
an electric oil pump; and
an electronic control unit configured to select any one of a first drive mode and a second drive mode, the first drive mode and the second drive mode of the vehicle being modes that use the at least one electric motor,
the second drive mode being a mode in which a driving force that is output from the at least one electric motor is larger than the driving force in the first drive mode,
the electronic control unit being configured to detect a vehicle load at the time when the vehicle is traveling, and
the electronic control unit being configured to operate the electric oil pump and select the second drive mode when the electronic control unit determines that the vehicle load is larger than a predetermined value and determines that the vehicle has been switched from an ignition off state to an ignition on state.

US Pat. No. 10,138,769

VARIABLE VALVE TRAIN

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

1. A variable valve train, comprising:a camshaft rotatably supported in a cylinder head of an internal combustion engine;
a cylindrical cam carrier fitted on and around the camshaft in a state co-rotatable with and axially slidable relative to the camshaft, the cam carrier having therearound a plurality of cam lobes different in cam profile and axially adjacent to each other; and
a cam changeover mechanism for axially shifting the cam carrier to change over the cam lobes for operating an engine valve; characterized in that:
the variable valve train includes:
a lead groove formed around the cylindrical cam carrier;
changeover pins provided to advance and retract relative to the cylindrical cam carrier to be engaged with and disengaged from the lead groove; and
a changeover driving shaft associated with the changeover pins and having an associated cam mechanism operable to advance the changeover pins selectively into the lead groove to cause the cam carrier to shift axially, while being rotated, due to the lead groove having engaged therein a selectively advanced changeover pin so as to change over the cam lobes for operating the engine valve.

US Pat. No. 10,138,768

SYSTEM FOR CONTROLLING CONTINUOUSLY VARIABLE VALVE DURATION AND OPERATING METHOD THEREOF

HYUNDAI KEFICO CORPORATIO...

1. A system for controlling a continuously variable valve duration (CVVD) by adjusting an actuator for controlling the CVVD, comprising:an electronic control unit (ECU) configured to output a command to adjust the actuator based on a vehicle state;
a cam position sensor configured to measure a cam revolutions per minute (RPM); and
a controller configured to calculate a crank RPM from the cam RPM when a failure occurs during communication with the ECU, extract a target phase angle based on the calculated crank RPM, and output an electric current corresponding to the extracted target phase angle to the actuator.

US Pat. No. 10,138,767

CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE SAME

Hyundai Motor Company, S...

1. A continuous variable valve duration system comprising:a camshaft;
a first cam portion including a first cam, into which the camshaft is inserted and of which a relative phase angle of the first cam with respect to the camshaft is variable;
an inner bracket transmitting rotation of the camshaft to the first cam portion;
a slider housing into which the inner bracket is rotatably inserted, and on which a control slot is formed, the slider housing being rotatable around a pivot shaft;
a first rocker arm including a first end contacting the first cam and a second end connected to a first valve;
a rocker shaft to which the first rocker arm is rotatably connected, and onto which an eccentric shaft inserted into the control slot is formed;
a duration controller configured to rotate the rocker shaft for the slider housing to move with respect to the camshaft; and
an operation mode controller configured to change a position of the pivot shaft.

US Pat. No. 10,138,766

IRON-BASED ALLOYS AND METHODS OF MAKING AND USE THEREOF

L.E. Jones Company, Meno...

1. An iron-based alloy comprising, in weight percent:carbon from about 2 to about 3 percent;
manganese from about 0.1 to about 0.4 percent;
silicon from about 0.3 to about 0.8 percent;
chromium from 11.5 to about 14.5 percent;
nickel from about 0.05 to about 0.6 percent;
vanadium from about 0.8 to about 2.2 percent;
molybdenum from about 4 to about 7 percent;
tungsten from about 3 to about 5 percent;
niobium from about 1 to about 3 percent;
cobalt from about 3 to about 5 percent;
boron from zero to about 0.2 percent; and
balance iron and incidental impurities;
wherein the alloy has a total carbon and silicon content of 2.3 to 3.5 percent and a microstructure of interdendritic regions comprising eutectic reaction phases.

US Pat. No. 10,138,765

CONTROL VALVE FOR VALVE TIMING ADJUSTING DEVICE OF INTERNAL COMBUSTION ENGINE

HYUNDAI MOTOR COMPANY, S...

1. A hydraulic control valve for a valve timing adjusting device of an internal combustion engine to selectively supply working fluid to or discharge from the valve timing adjusting device having a housing having an inner space, a rotor installed in the inner space of the housing and configured to work in cooperation with a camshaft, the rotor having a plurality of vanes forming an advance chamber in a direction of adjusting an advance phase angle and a retard chamber in a direction of adjusting a retard phase angle, respectively, and a locking pin member elastically installed at a locking chamber formed at the plurality of vanes to adjust a valve timing in a middle position between a most advance position and a most retard position of the rotor to inhibit or prevent a relative rotation of the rotor to the housing, the hydraulic control valve comprising:a valve body connected to the camshaft and having a plurality of ports and a spool space formed therein;
an outer spool elastically installed in the spool space of the valve body and having a plurality of distribution ports formed through an exterior circumference thereof to be selectively communicated with or disconnected to the plurality of ports of the valve body;
an inner spool integrally coupled at an inside of the outer spool and configured to form a supply passage connected to a working fluid pump and a drain passage connected to a drain tank together with the outer spool, respectively;
wherein the rotor comprises:
an advance fluid passage configured to communicate with the advance chamber,
a retard fluid passage configured to communicate with the retard chamber, and
a locking fluid passage configured to communicate with the locking chamber;
an inflow port to which working fluid is supplied;
an advance port configured to communicate with the advance fluid passage;
a retard port configured to communicate with the retard fluid passage;
a locking port configured to communicate with the locking fluid passage; and
a discharge port configured to discharge the working fluid, and
wherein the hydraulic control valve forms a 5-port 5-position solenoid valve configured to select from a self-locking state to a filling state, an advance control state, a holding state, and a retard control state sequentially based on a movement of the spool against an elastic force of a spring arranged between an inner wall of the spool space and at least one of the inner spool or the outer spool.

US Pat. No. 10,138,764

CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE CONTINUOUS VARIABLE VALVE DURATION APPARATUS

Hyundai Motor Company, S...

1. A continuous variable valve duration apparatus comprising:a camshaft;
a first and second cam portion, each including a cam and a cam key, where the camshaft is inserted into the first and second cam portions and where relative phase angles with respect to the camshaft are variable;
a first and second inner bracket transmitting a rotation of the camshaft to the first and second cam portions respectively and on which a first and a second sliding hole are formed respectively;
a first and second slider housing into which the first and second inner bracket are rotatably inserted, and where relative positions of the first and second slider housings with respect to the camshaft are variable;
a cam cap rotatably supporting the first and second cam portions respectively and where each slider housing is slidably mounted to a cam cap;
a slider pin rotatably inserted into the first sliding hole and slidably inserted into the camshaft;
a cam pin on which a cam key slot for the cam key to be slidably inserted thereinto is formed and rotatably inserted into the second sliding hole;
a control shaft disposed parallel to the camshaft and engaged with the first and second slider housings for selectively moving the first and second slider housings; and
a control portion selectively rotating the control shaft for changing positions of the first and the second inner brackets.

US Pat. No. 10,138,763

ROCKER ARM

OTICS CORPORATION, Aichi...

1. A rocker arm comprising:a roller to be contacted with a cam and having a rotation axis;
a support shaft extending along the rotation axis and coaxially mounted in the roller to rotatably support the roller to rotate about the rotation axis, the support shaft having end portions;
walls extending perpendicular to the rotation axis and opposite each other with the roller located therebetween, the walls each having a through hole through which a respective one of the end portions of the support shaft is inserted, and each of the walls having an inner surface opposite the roller;
a bearing arranged between the support shaft and the roller; and
holding members each mounted to a respective one of the walls for holding the support shaft, each of the holding members including:
a tubular portion arranged in one of the through holes of one of the walls and disposed between an inner peripheral surface of the one of the through holes and an outer surface of one of the end portions of the support shaft, the tubular portion having a first end and a second end, the first end being opposite the roller;
a first stopper portion included at the first end of the tubular portion adjacent to the inner surface of the one of the walls, and
a second stopper portion included at the second end of the tubular portion adjacent to an end surface of the one of the end portions of the support shaft, wherein
the holding members and the support shaft are coaxially arranged and the holding members are rotatable around the rotation axis with respect to the walls, and
the first stopper portion of each of the holding members is disposed between the roller and one of the walls.

US Pat. No. 10,138,762

POWER GENERATION SYSTEM

KYUSHU ELECTRIC POWER CO....

1. A power generation system comprising:(A) a fixed carbon production device for producing fixed carbon and hydrocarbon gas by dry-distilling and cooling low rank coal;
(B) a power generator for combusting the hydrocarbon gas as a main fuel, thereby generating main steam and moving a steam turbine by the main steam and a condenser; and
(C) a heat supply unit using exhaust heat from the condenser for heating of inert gas in drying; wherein
(D) the fixed carbon production device conducts the dry-distilling and the cooling; and wherein the fixed carbon production device is provided with:
a dry distillation furnace for dry-distilling, said dry' distillation furnace being erected in a cooling bath for cooling dry-distilled fixed carbon;
a dry distillation unit which is partitioned into a rectangular or a polygonal shape in a vertical direction on a horizontal cross-section in the dry distillation furnace by a separating wall from an upper portion to a lower portion;
a plurality of dry distillation mini-furnaces which are each partitioned into a rectangular or a polygonal shape in the vertical direction on the horizontal cross-section in the dry distillation unit by a partition plate from an upper portion to a lower portion:
a pipe heating means for heating which is arranged on the separating wall of the dry distillation unit and the partition of each of the dry distillation mini-furnace; and
a collection path for collecting fixed carbon produced in the cooling bath by feeding raw material coal from the upper portion and performing dry distillation in each of the dry distillation mini-furnaces by the pipe beating means.

US Pat. No. 10,138,761

HEAT ENGINE SYSTEM FOR POWER AND HEAT PRODUCTION

UNIVERSITY OF ONTARIO INS...

1. A heat engine system comprising:a first heat exchanger comprising a desorber in fluid communication with a low temperature heat source for heating a working fluid therein to produce a heated working fluid;
a positive displacement scroll type expander downstream of the first heat exchanger and in fluid communication therewith for receiving the heated working fluid, the expander comprising a scroll head comprising a pair of interleaving scroll walls, one of the pair of interleaving scroll walls being a fixed scroll wall and the other of the pair of scroll walls being an orbiting scroll wall mounted to a rotating shaft mounted to bearings for orbiting eccentrically in relation to the fixed scroll wall, the expander comprises a gas intake port providing for intake of a superheated vapor as a main intake and a liquid intake port comprising a tube defining an injection channel that is separate from the scroll head;
a second heat exchanger comprising a resorber downstream the expander and in fluid communication therewith for cooling the working fluid received therefrom to produce a cooled working fluid, the second heat exchanger being in fluid communication with the first heat exchanger for providing the cooled working fluid to flow thereto;
a valve assembly interposed between the first and second heat exchangers and comprising an automated three way valve in fluid communication with the second heat exchanger and the expander via the gas and liquid ports for providing for selectively injecting the expander via a conduit in fluid communication with the injection channel with cooled working fluid from the second heat exchanger and for inducing gas intake to increase a concentration of gas within the expander when the working fluid flashes, the valve assembly providing for automatically regulating the concentration and temperature of the working fluid within the expander during the cycle of the working fluid within the system via regulating the flow rate thereof; and
a single variable speed pump for both circulating and pressurizing the working fluid,
wherein the three-way valve is in fluid communication with the pump and the first heat exchanger, the system is configured to provide adjusting the three-way valve based on pump speed and expander load thereby providing for determining optimum liquid injection,
wherein the position and configuration of the injection channel allows for the cooled working fluid received from the conduit to be injected in liquid form between the interleaving scroll walls at a location corresponding to the beginning of the expansion cycle thereby providing for the cooled working fluid to: simultaneously act as a sealant and a coolant for interleaving scroll walls and as a lubricant for the bearings.

US Pat. No. 10,138,760

WORKING FLUID COLLECTING APPARATUS FOR RANKINE CYCLE WASTE HEAT RECOVERY SYSTEM

HYUNDAI MOTOR COMPANY, S...

1. A working fluid collecting apparatus for a Rankine cycle waste heat recovery system, comprising:a storage tank for storing a working fluid circulated in a Rankine cycle therein; and
a collection means for collecting the working fluid into the storage tank,
wherein the collection means includes:
a directional control valve for controlling a flow direction of the working fluid in the Rankine cycle; and
a collection line for introducing the working fluid into the storage tank by a control of the directional control valve,
wherein the directional control valve includes a first collection port and a second collection port, and the collection line includes a first collection line connected to the first collection port and a second collection line connected to the second collection port, and
wherein the first collection port and the second collection port are sequentially opened, such that the working fluid is stepwise collected into the storage tank through the first collection line and the second collection line.

US Pat. No. 10,138,759

METHOD OF CONTROLLING, AFTER DETECTING A VEHICLE ACCIDENT SITUATION, THROTTLING MEANS FOR AN OPENING PROVIDED ON A CLOSED LOOP PERFORMING A RANKINE CYCLE AND LOOP USING SAME FOR COMMUNICATING AN INSIDE OF THE CLOSED LOOP WITH AMBIENT AIR OUTSIDE THE CLOSE

IFP ENERGIES NOUVELLES, ...

1. A method of controlling a closed loop performing a Rankine cycle for a motor vehicle, said loop comprising a circulation and compression pump for a working fluid, a heat exchanger swept by a hot source for heating said working fluid, expansion means for expanding the hot fluid and a cooling exchanger swept by a cooling fluid for cooling this working fluid connected by fluid circulation lines, the method comprising, detecting a vehicle accident situation and, in response to detecting a vehicle accident situation, controlling throttling means for an opening provided on the closed loop for communicating an inside of the closed loop with ambient air outside the closed loop to totally discharge the working fluid contained in the closed loop.

US Pat. No. 10,138,758

QUATRO-GENERATION SYSTEM

MITSUBISHI HEAVY INDUSTRI...

1. A quarto-generation system, comprising:a power generation engine driven by fuel gas;
an exhaust-heat boiler configured to utilize energy of exhaust gas discharged from the power generation engine to produce steam from boiler water;
a boiler-water circulation device configured to supply the steam produced by the exhaust-heat boiler to a steam-energy recovery unit, and to return condensed water of the steam to the exhaust-heat boiler after the steam-energy recovery unit recovers energy of the steam;
a condensation economizer configured to utilize condensation latent heat of exhaust gas discharged from the exhaust-heat boiler to heat a heat medium;
a heat-medium circulation device configured to supply the heat medium heated by the condensation economizer to a thermal-energy recovery unit, and to return the heat medium to the condensation economizer after the thermal-energy recovery unit recovers energy of the heat medium; and
an exhaust-gas condensed water supply device configured to supply condensed water of the exhaust gas condensed by the condensation economizer to a water consumer.

US Pat. No. 10,138,757

BEARING SYSTEM FOR GAS TURBINE ENGINE

United Technologies Corpo...

1. A bearing system for a gas turbine engine, comprising:a spring defined about an axis, the spring including a multiple of beams that extend between a radial flange and a damper attachment;
a damper defined about the axis, the damper fastened to the damper attachment and nested within the spring; and
a bearing mounted to the damper, wherein a hearing element of the bearing is axially aligned with the radial flange.

US Pat. No. 10,138,756

METHOD FOR DAMPING A GAS-TURBINE BLADE, AND VIBRATION DAMPER FOR IMPLEMENTING SAME

Safran Helicopter Engines...

8. A damping method for blades mounted on a low speed wheel disk of a gas turbine, the disk including a housing under a platform of a blade, configured to receive a vibration damper, the method comprising:providing the vibration damper including a flexible portion including a plate clamped against the platform, and a mass portion including a counterweight for directing friction forces against the platform via clamping, the flexible portion and the mass portion being coupled together in a reversible way by surrounding at least partially the mass portion through at least one clamping area of the flexible portion against the platform, the flexible portion being sufficiently flexible to be configured to a required contact level; and
inserting the vibration damper within the housing,
wherein the plate includes an upper wall arranged on an upper face of the counterweight and configured to flexibly contact the platform of the blade, a rim extended from the upper wall and including first and second longitudinal sides which respectively abut first and second longitudinal sides of the counterweight, and first and second arms which are respectively extended from the first and second longitudinal sides, and
wherein each of the first and second arms includes a radially extending portion and a laterally extending portion bent from the radially extending portion, the laterally extending portions of the first and second arms enclosing a lower face of the counterweight.

US Pat. No. 10,138,755

DEVICE FOR DEICING A SEPARATOR NOSE OF AN AVIATION TURBINE ENGINE

SAFRAN AIRCRAFT ENGINES, ...

1. A device for deicing a separator nose of an aviation turbine engine, the device comprising:a separator nose positioned downstream from a fan of the engine to separate air from the fan into a primary stream flow passage and a secondary stream flow passage, the separator nose including an inner wall defining an outside of the primary stream flow passage and an outer wall defining an inside of the secondary stream flow passage, a downstream end of the inner wall including a flange extending radially towards the outer wall; and
a casing fastened to the separator nose so as to extend the separator nose downstream, the casing having an inner shroud with an inner wall defining the outside of the primary stream flow passage,
wherein the casing includes an air duct incorporated in the inner shroud so as to be formed integrally therewith so as to present a single piece, the air duct opening out downstream to an air feed and opening out upstream into an inside of the separator nose,
wherein the air duct is delimited by the inner wall of the inner shroud and an outer wall of the inner shroud, the outer wall of the inner shroud including an upstream flange at an upstream end thereof that extends radially outwards which is fastened to the flange of the separator nose, and a downstream flange at a downstream end thereof, and
wherein an upstream end of the inner wall of the inner shroud abuts a shoulder of the inner wall of the separator nose, the shoulder being located radially inward and upstream of a downstream face of the flange of the separator nose which abuts the upstream flange of the inner shroud.

US Pat. No. 10,138,754

DEVICE FOR MEASURING AERODYNAMIC MAGNITUDES INTENDED TO BE PLACED IN A FLOW PASSAGE OF A TURBINE ENGINE

SAFRAN AIRCRAFT ENGINES, ...

1. A device for measuring aerodynamic magnitudes intended to be placed transversally in a flow passage of a turbine engine comprising:an upstream body having a profile of general cylindrical shape defining a leading edge
a plurality of sensors including instrumentation lines and sensitive elements, the instrumentation lines of the sensors being placed in the body, the sensitive elements of the sensors extending at the leading edge;
a downstream fairing mounted on the upstream body and defining a trailing edge;
the device for measuring aerodynamic magnitude wherein said downstream fairing comprises, in the longitudinal direction of the upstream body bearing the sensors, several sections of downstream fairing fixed independently of each other to the body, two successive sections being connected by a junction which in the longitudinal direction of the upstream body is more flexible than the sections.

US Pat. No. 10,138,753

AUXILIARY FLUID DRIVEN ELECTRIC GENERATOR

1. An auxiliary generator of electrical energy, comprising:an external shell including an intake opening for a fluid and an outlet opening for the fluid;
a rotor housed inside the shell along a path of the fluid from said intake opening to said outlet opening; said rotor including a plurality of vanes for intercepting the fluid and an output shaft;
a generator of electrical current housed inside the shell, the generator including an input shaft mechanically connected to the output shaft of the rotor, and also including an output electrical terminal; and
an accumulator of electrical energy electrically connected to said output electrical terminal;
a speed multiplier housed inside the shell and connecting the output shaft of the rotor and the input shaft of the generator of electrical current;
wherein the shell includes a fixing element for fixing to an external body;
wherein the rotor is a single rotor, and the output shaft is a single output shaft, the single rotor rotatable around an axis and including a plurality of sections, each of the plurality of sections having a respective configuration of vanes for intercepting the fluid to drive the single rotor; the single output shaft at least partially passing through each of the plurality of sections radially inwardly of the vanes of each of the plurality of sections; the respective configuration of the vanes of each of the plurality of sections being different from the respective configuration of the vanes of an axially adjacent section with respect to at least one chosen from size and shape of the vanes;
wherein the shell has a modular structure comprising first, second and third elementary blocks assembled in a successive axial alignment;
the first elementary block containing the rotor;
the second elementary block containing the speed multiplier; and
the third elementary block containing the generator;
the generator comprising an electronic unit for controlling the generator;
the generator comprising an inverter housed inside the shell.

US Pat. No. 10,138,752

ACTIVE HPC CLEARANCE CONTROL

General Electric Company,...

1. A gas turbine engine clearance control system comprising:a cooling air passage extending from a cooling air inlet port to a cooling air outlet port, said cooling air inlet port and outlet port formed within an external surface of a compressor casing of a compressor and axially spaced on said external surface, said cooling air passage extending from said cooling air inlet port radially inwardly to at least one of a flange joint, a radially outer surface of a compressor casing ring, and a radially outer surface of a connector case, said cooling air passage further extending aftward along said radially outer surfaces of said connector case and said compressor casing ring, said cooling air passage further extending radially outward to said cooling air outlet port, wherein selectively supplying cooling air to said cooling air passage controls a rotor tip clearance between a rotor tip of a rotor blade of said compressor and an inner surface of said compressor casing ring and further controls an interstage seal clearance between an inner band and a rotor spool of said compressor, wherein:
said rotor blade extends radially outwardly from an inner flow path surface of a rotor blade platform attached to said rotor spool towards an inner surface of said compressor casing ring and terminates at said rotor tip proximate said inner surface;
each of a plurality of stator vanes extends radially inwardly from a radially inner surface of an outer band and terminating at an inner band;
said outer band is configured to couple to said compressor casing ring radially with axial contact to said adjacent outer band; and
said flange joint is configured to couple said compressor casing ring and said connector case, said compressor casing ring comprising a radially outwardly extending flange portion configured to be coupled to radially outwardly extending mounting flanges of said connector case axially adjacent to said flange portion.

US Pat. No. 10,138,751

SEGMENTED SEAL FOR A GAS TURBINE ENGINE

UNITED TECHNOLOGIES CORPO...

1. A seal segment, comprising: a first axial wall; a second axial wall spaced from said first axial wall; a radially outer wall that interconnects said first axial wall and said second axial wall; at least one curved member radially inwardly offset from said radially outer wall and extending between said first and second axial walls, wherein said at least one curved member is configured to convey an axial force against an adjacent structure of said seal segment; and at least one truss member that extends between said radially outer wall and said at least one curved member, wherein said at least one truss member extends from the first axial wall or the second axial wall to the radial outer wall.

US Pat. No. 10,138,750

BOAS SEGMENTED HEAT SHIELD

UNITED TECHNOLOGIES CORPO...

1. A seal assembly, comprising:a seal arc segment defining first and second seal supports;
a carriage defining first and second support members, the first support member supporting the seal arc segment in a first ramped interface and the second support member supporting the seal arc segment in a second ramped interface;
a spring configured to bias the seal arc segment axially; and
a heat shield radially inward of the spring and having a radially-extending leg disposed axially between the spring and the seal arc segment.

US Pat. No. 10,138,749

SEAL ANTI-ROTATION FEATURE

UNITED TECHNOLOGIES CORPO...

1. A seal assembly, comprising:a monolithic seal arc segment having a first circumferential end defining a first seal support and a second circumferential end defining a second seal support, wherein the first circumferential end is circumferentially spaced from the second circumferential end with respect to the seal arc segment;
a carriage defining first and second support members, the first support member supporting the seal arc segment in a first ramped interface and the second support member supporting the seal arc segment in a second ramped interface such that the seal arc segment is circumferentially moveable with respect to the carriage, wherein the seal arc segment includes a radially outer side for interfacing with the carriage and a radially inner surface radially opposite the radially outer side and configured to bound a core gas flow path; and
an anti-rotation interface in which the seal arc segment and the carriage are engaged, the anti-rotation interface restricting circumferential movement of the seal arc segment.

US Pat. No. 10,138,748

GAS TURBINE ENGINE COMPONENTS WITH OPTIMIZED LEADING EDGE GEOMETRY

United Technologies Corpo...

1. A gas turbine engine component comprising: a main body having a leading edge and a leading edge wall including an elongated transition portion configured as a section of an ellipse extending between the leading edge and a proximate flowpath surface of the main body, wherein the section comprises a portion defined between an intersection of a major axis with the ellipse and an intersection of a minor axis with the ellipse, wherein the length of the major axis is greater than the length of the minor axis, and wherein the elongated transition portion has an axial length that is greater than a radial height.

US Pat. No. 10,138,747

SEAL ASSEMBLY TO SEAL END GAP LEAKS IN GAS TURBINES

GENERAL ELECTRIC COMPANY,...

1. A seal assembly to seal a gas turbine hot gas flow path in a gas turbine, the seal assembly comprising:an intersegment seal including a plurality of seal segments, the plurality of seal segments defining one or more end regions, the intersegment seal disposed in a slot defining a high-pressure slot side and a low-pressure slot side, wherein the slot includes a plurality of slot segments, one or more of the plurality of seal segments including at the one or more end regions a plurality of jet holes and a channel having a wire disposed therein, wherein the intersegment seal provides sealing of one or more end gaps defined proximate the one or more end regions.

US Pat. No. 10,138,746

GAS TURBINE ENGINE FLOW CONTROL DEVICE

UNITED TECHNOLOGIES CORPO...

11. An assembly for a gas turbine engine, comprising:a casing defining a plurality of hooks configured to receive a vane assembly and separated circumferentially by a plurality of interrupted surfaces; and
a flow control device including a seal body having a radially inner surface, a radially outer surface, and a plurality of stand-ups protruding from the radially outer surface, wherein the plurality of stand-ups are received in the plurality of interrupted surfaces for sealing.

US Pat. No. 10,138,745

SEALING SYSTEM WITH TWO ROWS OF COMPLEMENTARY SEALING ELEMENTS

SAFRAN AIRCRAFT ENGINES, ...

1. A sealing system in a cavity under a stator sector of a turbomachine flow path, comprising a stator sector and a rotor device, the cavity being located between a root of a vane of the stator sector and the complementary rotor device,the root comprising a first surface provided at least partially with an abradable coating,
the rotor device being provided with at least one first sealing element arranged facing the first surface, the first surface and the first sealing element forming a first sealing pair and delimiting a first leakage section between them,
wherein:
the root comprises a second surface provided at least partially with an abradable coating,
the rotor device being provided with at least one second sealing element arranged facing the second surface, the second surface and the second sealing element forming a second sealing pair and delimiting a first leakage section between them,
the first sealing pair tending towards a minimum leakage section when the second pair tends towards a corresponding maximum leakage section, and the first leakage pair tending towards a maximum leakage section when the second pair tends towards a minimum leakage section during an engine mission,
the first and second sealing pairs being at an axial spacing from each other.

US Pat. No. 10,138,744

TURBOCHARGER WITH VARIABLE TURBINE GEOMETRY HAVING GROOVED GUIDE VANES

BorgWarner Inc., Auburn ...

1. A guide vane for regulating a flow of exhaust gas through a wheel inlet to a turbine wheel in a variable turbine geometry turbocharger, said guide vane comprising:a body extending between a leading edge and a trailing edge, said body including opposing first and second edges and opposing front and rear surfaces, wherein said first edge is adjacent to one side of the wheel inlet and said second edge is adjacent to another side of the wheel inlet; and a pivotal shaft extending in the axial direction from at least the first edge; and
at least one flow feature disposed on said body of said guide vane for manipulating the flow of exhaust gas during use of the turbocharger, wherein the first flow feature comprises a raised rib protruding from the body and extending from a surface of one of the first or second edges in the axial direction of pivotal shaft, and wherein the rib splits, and wherein the rib is constructed and arranged to disturb the flow of exhaust gas as the exhaust gas attempts to flow around one of the first or second edges to prevent or minimize exhaust gas from leaking around one of the first or second edges.

US Pat. No. 10,138,743

IMPINGEMENT COOLING SYSTEM FOR A GAS TURBINE ENGINE

GENERAL ELECTRIC COMPANY,...

1. An impingement cooling system for a gas turbine engine, comprising:a gas turbine engine component; and
an insert positioned within the gas turbine engine component, the insert comprising:
an insert body comprising an inner surface and an outer surface, the insert body defining an inner cavity therein, a first impingement aperture, a first heat exchanger inlet aperture, and a first heat exchanger outlet aperture;
a first baffle extending outwardly from the outer surface of the insert body, wherein the first baffle, the gas turbine engine component, and the insert body collectively define a first cooling chamber and a second cooling chamber therebetween, and wherein the first impingement aperture fluidly couples the inner cavity of the insert body and the first cooling chamber; and
a first heat exchanger wall coupled to the inner surface of the insert body, the first heat exchanger wall and the insert body collectively defining a first heat exchanger chamber therebetween, wherein the first heat exchanger inlet aperture fluidly couples the first cooling chamber and the first heat exchanger chamber, and wherein the first heat exchanger outlet aperture fluidly couples the first heat exchanger chamber and the second cooling chamber.

US Pat. No. 10,138,742

MULTI-PLY FINGER SEAL

United Technologies Corpo...

1. A finger seal for a gas turbine engine comprising:a seal land surface defining at least a portion of a first cavity and a second cavity;
a first ply having an arcuate shape and both a free end and a mounting portion, wherein the first ply is constructed from a first material having a first coefficient of thermal expansion, and wherein the first ply interfaces with the first cavity; and
a second ply disposed against the first ply and having an arcuate shape and both a free end and a mounting portion, wherein the second ply is constructed from a second material having a second coefficient of thermal expansion that exceeds the first coefficient of thermal expansion of the first material, wherein a difference between the first coefficient of thermal expansion of the first material and the second coefficient of thermal expansion of the second material produces differential expansion between the first and second plies as a consequence of a maximum temperature applied to the finger seal that generates a force on the finger seal, and wherein the force on the finger seal reduces a contact force at the free end between the second ply and the seal land surface by an amount that maintains sealing contact between the second ply and the seal land surface.

US Pat. No. 10,138,741

BLADED ROTOR

ROLLS-ROYCE plc, London ...

1. A bladed rotor for a turbo-machine, the bladed rotor having a rotational axis and comprising a hub including a plurality of circumferentially spaced-apart ribs around the periphery of the hub, the ribs defining a plurality of spaced-apart slots, each of the spaced-apart slots slideably receiving a root portion of a respective rotor blade of a plurality of rotor blades, the respective root portion of each respective rotor blade of the plurality of rotor blades defining a radially inwardly open blade retaining groove within which a respective region of a retaining ring locates to retain each of the rotor blades in the respective spaced-apart slots without the retaining ring making contact with a radially outermost region of the respective blade retaining grooves, whereinthe retaining ring also engages within a plurality of radially inwardly open hub grooves formed in the ribs spaced around the hub,
the retaining ring engages each of the hub grooves such that a radial gap is defined between the retaining ring and a radially outermost region of each of the blade retaining grooves, and
the engagement of the retaining ring within each of the hub grooves is effective to maintain a radial gap between the retaining ring and a radially outermost region of each of the blade retaining grooves wherein the retaining ring defines a first contact surface on a first flank of the retaining ring for engagement within each of the hub grooves, and the first contact surface lying at an acute angle to a plane orthogonal to the rotational axis of the bladed rotor, wherein each of the hub grooves defines a corresponding internal contact surface for contact with the first contact surface of the retaining ring, and the internal contact surface of each of the hub grooves lies at a substantially equal acute to a plane orthogonal to the rotational axis of the bladed rotor as the first contact surface of the retaining ring.

US Pat. No. 10,138,740

SILICON-BASED MATERIALS CONTAINING GALLIUM AND METHODS OF FORMING THE SAME

General Electric Company,...

1. A ceramic component comprising: a substrate defining a surface; and a silicon-based layer forming a bond coating directly on the surface of the substrate, wherein the silicon-based layer comprises a silicon-containing material and about 1% to 25% by weight of a Ga-containing compound, wherein the substrate is formed from a ceramic matrix composite (CMC) material, and wherein the silicon-containing material forms a continuous phase within the silicon-based layer.

US Pat. No. 10,138,739

PART CONSISTING OF A CERAMIC MATERIAL, COMPRISING A BASE AND A WALL

SAFRAN AIRCRAFT ENGINES, ...

1. A turbine blade made of ceramic material, comprising:a root; and
an airfoil,
wherein the root is made of ceramic material and the airfoil is obtained by ceramic powder sintering, and
wherein the airfoil includes an envelope and a core, the core being positioned within the envelope and a porosity of the core being greater than a porosity of the root, the porosity of the core increasing along the airfoil along an axis in a direction of centrifugal forces which the turbine blade is subjected to during operation.

US Pat. No. 10,138,738

COMPOSITE VANE

IHI Corporation, Koto-ku...

1. A composite vane comprising:a composite vane body formed of a composite material of a thermosetting resin or a thermoplastic resin, and reinforced fibers; and
a metal sheath formed of a thin sheet made of a titanium alloy that is bonded to a leading edge section of the composite vane body via a soft adhesive to cover the leading edge section,
wherein an adhesive filling section in which the soft adhesive is filled, leading edge side contact sections that come into contact with a curved section corresponding to a leading edge of the metal sheath, and a plurality of protrusions that come into contact with a planar section corresponding to a vane surface of the metal sheath and have at least a same height as a thickness of a layer of a requisite amount of the soft adhesive filled in the adhesive filling section are formed in the leading edge section of the composite vane body.

US Pat. No. 10,138,737

ROTOR FOR TURBINE ENGINE COMPRISING BLADES WITH ADDED PLATFORMS

SAFRAN AIRCRAFT ENGINES, ...

1. A rotor for a turbine engine comprising:a disk with primary cavities around a periphery of the disk;
a plurality of blades, each blade comprising a root composed of a bulb in a lower part of the root locked in one of said primary cavities;
a plurality of platforms, each platform being located between two consecutive blades;wherein each platform is provided with:a straight plateau and a bulb extending radially under the plateau, said bulb extending radially under the plateau being locked in one of secondary cavities arranged at the periphery of the disk, the secondary cavities being positioned between two consecutive primary cavities, and
a retaining bracket extending along an axial direction of the rotor, said retaining bracket forming an annular sector arranged facing at least two consecutive bladeswherein said plurality of platforms are formed by:a first series of upstream platforms, each upstream platform comprising an upstream retaining bracket extending along an upstream axial direction, said upstream retaining bracket forming an angular sector placed facing at least two consecutive blades;
a second series of downstream platforms, each downstream platform comprising a downstream retaining bracket extending along a downstream axial direction, said downstream retaining bracket forming an angular sector placed facing at least two consecutive blades;the first and second series of platforms being positioned alternately in the secondary cavities.

US Pat. No. 10,138,735

TURBINE AIRFOIL INTERNAL CORE PROFILE

GENERAL ELECTRIC COMPANY,...

1. An airfoil for a turbine blade, the airfoil comprising:a pressure side wall having a normalized pressure side wall thickness;
a suction side wall having a normalized suction side wall thickness, the suction side wall connected to the pressure side wall at a leading edge and a trailing edge, the leading edge having a normalized leading edge thickness and the trailing edge having a normalized trailing edge thickness; and
an internal cavity defined by the pressure side wall and the suction side wall;
wherein the airfoil defines a span extending between zero percent of the span at an airfoil root and one hundred percent of span at an airfoil tip, the normalized pressure side wall thickness is a value of the pressure side wall thickness at a given span divided by a value of the pressure side wall thickness at fifty percent of the span, the normalized suction side wall thickness is a value of the suction side wall thickness at a given span divided by a value of the suction side wall thickness at fifty percent of the span, the normalized leading edge thickness is a value of the leading edge thickness at a given span divided by a value of the leading edge thickness at fifty percent of the span, and the normalized trailing edge thickness is a value of the trailing edge thickness at a given span divided by a value of the trailing edge thickness at fifty percent of the span;
wherein the normalized pressure side wall thickness suction side wall is between 0.194 and 0.214 at zero percent of the span, between 0.107 and 0.127 at fifty percent of the span, and between 0.080 and 0.100 at one hundred percent of the span;
wherein the normalized suction side wall thickness is between 0.202 and 0.222 at zero percent of the span, between 0.102 and 0.122 at fifty percent of the span, and between 0.089 and 0.109 at one hundred percent of the span;
wherein the normalized leading edge thickness is between 0.212 and 0.232 at zero percent of the span, between 0.108 and 0.128 at fifty percent of the span, and between 0.086 and 0.106 at one hundred percent of the span; and
wherein the normalized trailing edge thickness is between 0.856 and 0.876 at zero percent of the span, between 0.900 and 1.100 at fifty percent of the span, and between 0.998 and 1.018 at one hundred percent of the span.

US Pat. No. 10,138,734

TURBINE RING FOR A TURBOMACHINE

SAFRAN HELICOPTER ENGINES...

1. A turbine ring comprising:a cylindrical support; and
one or more sectors forming a circle configured to define a segment of an air passage, each sector being fastened to the support by an attachment device;
wherein the attachment device comprises a hook portion belonging to the support and projecting towards the sector, and a hook portion belonging to the sector and projecting towards the support, the hook portions of the support and of the sector being configured to co-operate in order to fasten the sector to the support;
a damper device provided within the attachment device and stressed radially between a portion of the sector and a portion of the support so as to damp relative movements between the sector and the support; and
wherein the damper device comes into contact in alternation, in the circumferential direction, with an inner surface of the support and with an outer surface of the hook portion of the sector.

US Pat. No. 10,138,733

PROCESS FOR PRODUCING A TURBINE ROTOR

BorgWarner Inc., Auburn ...

1. A process for producing a turbine rotor (1), which has, as joining partners, a turbine wheel (2) made of TiAl and a shaft (3) produced from steel, with the following process steps:providing the turbine wheel (2);
providing a solder;
providing the shaft (3);
determining a TiAl soldering temperature window having a lower end at which the solder will melt and an upper temperature which is the maximum process temperature of TiAl;
determining a steel soldering temperature window having a lower end at which the solder will melt and an upper temperature which is the maximum process temperature of steel;
contacting the turbine wheel (2) to the shaft (3) with said solder between turbine wheel (2) and shaft (3); and
moving an electron beam (5) alternately over the TiAl turbine wheel (2) and the steel shaft (3) to raise the temperature of the TiAl turbine wheel (2) at the solder to within the TiAl soldering temperature window and simultaneously raise the temperature of the steel shaft (3) at the solder to within the steel soldering temperature window, wherein the joining partners (2, 3) are turned at the same time during said soldering.

US Pat. No. 10,138,732

BLADE SHIELD REMOVAL AND REPLACEMENT

United Technologies Corpo...

1. A method comprising:milling a nose of a first shield of a blade to leave at least one strip of the first shield coupled to a blade body;
subsequent to the milling, applying a cryogenic technique to the blade to weaken a bond between the first shield and the blade body;
subsequent to the applying of the cryogenic technique, removing the at least one strip of the first shield from the blade body;
coupling a second shield to the blade body subsequent to the removal of the at least one strip from the blade body;
applying a heat blanket to the second shield; and
bonding the second shield to the blade body subsequent to the applying of the heat blanket.

US Pat. No. 10,138,731

FIXED DISPLACEMENT TURBINE ENGINE

1. An engine comprising:a compression portion comprising a male compression screw rotor rotatably engaged with a female compression screw rotor, the male compression screw rotor comprising a plurality of helically-extending lobes and the female compression screw rotor comprising a plurality of helically-arranged flutes, the flutes of the female compression screw rotor receiving the lobes of the male compression screw rotor;
a combustion portion comprising a male combustion screw rotor rotatably engaged with a female combustion screw rotor, the male combustion screw rotor comprising a plurality of helically-extending lobes and the female combustion screw rotor comprising a plurality of helically-arranged flutes, the flutes of the female combustion screw rotor receiving the lobes of the male combustion screw rotor, the male compression screw rotor sharing a longitudinal axis with the male combustion screw rotor and the female compression screw rotor sharing a longitudinal axis with the female combustion screw rotor;
a combustion plate disposed between the compression portion and the combustion portion, the combustion plate comprising a solid plate and an orifice extending through the plate, the solid plate configured to block gas flow between the compression portion and the combustion portion and the orifice configured to permit gas flow from the compression portion to the combustion portion;
a combustion valve affixed to the male combustion screw rotor adjacent to the combustion plate, the combustion valve comprising a thin plate with a plurality of petals, each petal associated with and covering a corresponding lobe of the plurality of helically-extending lobes of the male combustion screw rotor, each petal extending beyond the corresponding lobe of the plurality of helically extending lobes of the male combustion screw rotor, adjacent ones of the plurality of petals of the combustion valve separated from one another by a combustion valve recession, the combustion valve recession at least partially overlapping the orifice of the combustion plate in a longitudinal direction at some point while the male combustion screw rotor is rotating.

US Pat. No. 10,138,730

POSITIVE DISPLACEMENT ROTARY DEVICES WITH UNIFORM TOLERANCES

MALLEN RESEARCH LIMITED P...

11. A method for making a first rotor that is configured to rotate adjacent to a second rotor that comprises a circular main body with a first axis of rotation and a substantially straight vane extending radially from the main body, the vane having a leading edge and a trailing edge when the second rotor rotates in the clockwise direction and the method comprising the steps of:forming a first curved surface having a constant radius about a second axis of rotation and extending from a second curved surface to a third curved surface of the first rotor, the second axis of rotation being that of the first rotor; and
forming a vane-receiving groove disposed between the second curved surface and the third curved surface that is configured to receive a distal end of the vane therein,
wherein the first curved surface is dimensioned to maintain substantially the same distance from the main body of the second rotor when adjacent to the main body of the second rotor, the second curved surface is dimensioned to maintain substantially the same distance from the leading edge of the vane when adjacent to the leading edge of the vane, the third curved surface is dimensioned to maintain substantially the same distance from the trailing edge of the vane when adjacent to the trailing edge of the vane, and the vane-receiving groove is dimensioned to maintain substantially the same distance from the distal end of the vane when the vane is received in the vane-receiving groove.

US Pat. No. 10,138,729

DRIVE ASSEMBLY WITH PRESSURE FORCE AGGREGATING PISTON ARRANGEMENT FOR HYDRAULIC MOTOR SPEED/TORQUE SELECTOR

1. A drive assembly, comprising:a housing;
a drive motor at least in part contained in the housing and having a rotor rotating an output shaft;
a selector mechanism at least in part contained in the housing and movable into one of a plurality of orientations corresponding to one of a plurality of drive motor settings; and
an actuator at least in part contained in the housing and arranged to move the selector mechanism into one of the plurality of orientations, the actuator including:
a first piston disposed in the housing for movement by hydraulic pressure; and
a second piston disposed in the housing for movement by hydraulic pressure, the second piston being arranged in contact with the first piston and configured to aggregate and transfer forces from hydraulic movement of the first piston and the second piston to move the selector mechanism.

US Pat. No. 10,138,728

CONTROLLING AN OUTPUT OF A MINING SYSTEM

Joy Global Underground Mi...

1. A computer implemented method for controlling operation of a mining system, the mining system including a shearer and a conveyor, the method comprising:determining, using a processor, a position of the shearer based on a first signal from a first sensor, the first signal associated with the position of the shearer;
determining, using the processor, a load of the conveyor based on a second signal from a second sensor, the second signal associated with the load of the conveyor;
determining, using the processor, an output of the mining system based on the determined position of the shearer and the determined load of the conveyor;
generating, using the processor, a first control signal for a first drive mechanism to control a speed of the shearer based on the determined output of the mining system; and
generating, using the processor, a second control signal for a second drive mechanism to control a speed of the conveyor based on the determined output of the mining system.

US Pat. No. 10,138,727

ACOUSTIC MULTI-MODALITY INVERSION FOR CEMENT INTEGRITY ANALYSIS

SCHLUMBERGER TECHNOLOGY C...

1. A method for characterizing a physical barrier comprising a plurality of casings and a plurality of annular fills installed in a borehole traversing a formation, the method comprising:locating an acoustic tool with at least one receiver and at least one transmitter at a location in the borehole, wherein the acoustic tool is configured to perform at least two of (i) sonic measurements, (ii) ultrasonic pulse-echo measurements, and (iii) ultrasonic pitch-catch measurements of the physical barrier;
using the at least one transmitter of the acoustic tool, generating at least two types of acoustic waveforms that interact with the plurality of casings and the plurality of annular fills of the physical barrier, wherein the at least two types of acoustic waveforms comprise at least two of (i) sonic waveforms, (ii) ultrasonic pulse echo waveforms, wherein the at least one transmitter is oriented normal to the physical barrier, and (iii) ultrasonic pitch-catch waveforms, wherein the at least one transmitter is oriented at one or more angles to excite at least one mode within the physical barrier;
using the at least one receiver of the acoustic tool, recording resulting waveforms that result from the interaction of the at least two types of acoustic waveforms with the plurality of casings and the plurality of annular fills of the physical barrier to obtain at least two types of acoustic waveform data, wherein the at least two types of acoustic waveform data comprise at least two of (i) sonic waveform data, (ii) ultrasonic pulse-echo waveform data, and (iii) ultrasonic pitch-catch waveform data; and
processing the at least two types of acoustic waveform data using an inversion to determine barrier parameters as a function of azimuth and depth along the borehole.

US Pat. No. 10,138,726

DOWNHOLE COMMUNICATIONS USING SELECTABLE FREQUENCY BANDS

Halliburton Energy Servic...

1. A system that is usable to improve wireless communications transmitted through a wellbore in a subterranean formation, the system comprising:a first transceiver that is positionable external to a casing string in the wellbore for wirelessly transmitting data via a signal within a frequency band, wherein the first transceiver comprises:
a processing device; and
a memory device that includes instructions executable by the processing device for causing the processing device to:
receive one or more sensor signals from one or more sensors;
determine a fluid property of a fluid in the wellbore based on the one or more sensor signals;
determine a property of a subterranean formation based on the one or more sensor signals;
select the frequency band based on the fluid property and the property of the subterranean formation by consulting a lookup table in which a plurality of fluid properties and a plurality of subterranean formation properties are mapped to a plurality of frequency bands; and
a second transceiver that is positionable externally the casing string and operable to receive the signal.

US Pat. No. 10,138,725

HYDRAULIC DELAY TOE VALVE SYSTEM AND METHOD

GEODYNAMICS, INC., Mills...

1. A time delay injection valve comprising:a seating surface disposed within said time delay injection valve, said seating surface configured to seat a restriction plug element that seals a flowpath through said time delay injection valve; and
wherein the time delay injection valve further comprises a fluid that provides a delay to control a port opening time interval; and
wherein the time delay injection valve comprises dual pistons, wherein each said dual pistons are configured to be actuated by a different actuating device.

US Pat. No. 10,138,723

AUTODRILLING SYSTEM FOR CONTROL OF OPERATION OF A HYDRAULIC DRILLING RIG

Ensign Drilling Inc., Ca...

17. An autodrilling system for controlling operation of a drilling rig having one or more hydraulic drill string hoisting cylinders, the system comprising:a) a central controller for operating the cylinders with programmable logic control to meet specified drilling parameters including weight-on-bit (WOB), rate of penetration (ROP) and differential pressure (DP), and for storing drilling parameters for different drilling modes;
b) an autodrilling interface in data communication with the central controller, for setting the specified drilling parameters; and
c) a plurality of sensors configured to generate data indicating status of operation of the cylinders and drilling fluid pressure; wherein the sensors are configured to transmit the data to the central controller for processing by the programmable logic control to modify operation of the cylinders to cause the drilling rig to meet the specified drilling parameters.

US Pat. No. 10,138,722

WELL PROTECTION SYSTEMS AND METHODS

Nabors Drilling Technolog...

1. A method, comprising:tracking, automatically by a controller of a drilling rig, a position of a bit at a distal end of a bottom hole assembly coupled to a drill string of the drilling rig during a surge or swab operation through a wellbore environment of a wellbore;
determining, automatically by the controller at a first time during the surge or swab operation, the wellbore environment comprises a first wellbore environment from the tracked position of the bit based on at least one received drilling parameter relating to the drill string in the wellbore;
adjusting, dynamically by the controller during the surge or swab operation, a trip speed of the drill string to a first trip speed based on the determined first wellbore environment;
determining, automatically by the controller at a second time during the surge or swab operation, the wellbore environment comprises a second wellbore environment from the tracked position of the bit based on the at least one received drilling parameter relating to the drill string in the wellbore; and
adjusting, dynamically by the controller during the surge or swab operation, the trip speed of the drill string to a second trip speed based on the determined second wellbore environment.

US Pat. No. 10,138,721

METHOD OF AND A DEVICE AND AN ELECTRONIC CONTROLLER FOR MITIGATING STICK-SLIP OSCILLATIONS IN BOREHOLE EQUIPMENT

ENGIE ELECTROPROJECT B.V....

1. A method of mitigating stick-slip oscillations in borehole equipment for drilling a borehole in an earth formation, said borehole equipment comprising a drill string having a bottom hole assembly and a top end coupled to a rotational drive system, and a speed controller for controlling rotational drive speed of said drive system, the method comprising the steps of:operating said speed controller such that said drive speed is above a lower drive speed limit, that has a non-zero value, while drilling a borehole by said borehole equipment, wherein said lower drive speed limit is determined from:
modelling said borehole equipment by an equivalent computational model for computer simulation,
loading elements of said model with physical quantities representing an initial state of said borehole equipment causing a transition of said bottom hole assembly from stick mode to slip mode,
simulating in said loaded model a transition representative of said transition of said bottom hole assembly from stick mode to slip mode,
registering time domain relaxation dynamics in said model from said simulating step, thereby obtaining a time response of a rotational driven speed of said bottom hole assembly comprising a transitional phase and a steady state phase, and
determining from said time response of the time domain relaxation dynamics said lower drive speed limit as a drive speeder at, or below, which said rotational driven speed of said bottom hole assembly reaches a value of zero during one or more portions of the transitional phase,
wherein the modelling comprises modelling of each of the drill string, the bottom hole assembly, the rotational drive system, and the speed controller by a respective equivalent computational model for computer simulation, and
wherein the loading of the elements includes loading of each of the respective equivalent computational model with a respective physical quantity representing the initial state of the borehole equipment.

US Pat. No. 10,138,720

METHOD AND SYSTEM FOR PERFORATING AND FRAGMENTING SEDIMENTS USING BLASTING MATERIAL

ENERGY TECHNOLOGY GROUP, ...

1. A method for treating a hydrocarbon bearing formation bounded by at least one nonbearing formation comprising the steps of:inserting a tubular into a wellbore formed in the hydrocarbon bearing formation, the tubular defining proximal and distal ends and further having a sidewall defining inner and outer surfaces and a tubular bore, where an annulus is defined between the outer surface of the sidewall and the inner surface of the wellbore;
disposing a detonation means in the annulus through at least a portion of the hydrocarbon bearing formation;
pumping a first explosive fluid including a first explosive through the tubular bore into a selected portion of the annulus;
pressurizing the tubular bore using a drilling fluid;
inserting an isolation material in the annulus between an entrance of the wellbore and the first explosive fluid; and
detonating the first explosive fluid with the detonation means.

US Pat. No. 10,138,718

PERFORATION CRACK DESIGNATOR

Halliburton Energy Servic...

1. At least one crack designator for a perforating gun, wherein the gun comprises a longitudinal direction, a lateral direction, and at least one scallop, wherein the at least one crack designator has a lesser stiffness than surrounding material of the gun and wherein the at least one crack designator defines a crack track that encourages crack growth in the gun in the longitudinal direction, the crack track redirecting crack growth in the gun from the lateral direction to the longitudinal direction of the gun.

US Pat. No. 10,138,717

PREDICTING WELL PERFORMANCE WITH FEATURE SIMILARITY

Novi Labs, LLC, Austin, ...

1. A method comprising:obtaining, by a computing device, m input features related to wells;
obtaining, by the computing device, for a plurality of n operational wells, a set of m×n input factor values, wherein m groups of n of the input factor values are respectively associated with the m input features, and wherein the n input factor values of each group are respectively associated with the n operational wells;
obtaining, by the computing device, n well productivity output values, each measured from one of the n operational wells;
based on the m×n input factor values and the n well productivity output values, iteratively constructing, by the computing device, a decision tree, wherein the decision tree includes a root node, wherein iteratively constructing of the decision tree continues until all leaf nodes of the decision tree are defined, and wherein each iteration comprises:
(i) selecting an intermediate node of the decision tree, wherein the selected intermediate node is either the root node or a previously-defined intermediate node;
(ii) placing each of the n input factor values for each remaining input feature into buckets according to non-overlapping input factor value ranges defined by the buckets, wherein the remaining input features are not yet assigned to any intermediate node;
(iii) based on the placement of the n input factor values for each input feature into buckets, determining an input feature with a lowest entropy of all of the remaining input features, wherein entropy is inversely proportional with distributional skew of the placement;
(iv) assigning the determined input feature as a decision point of the selected intermediate node, wherein edges representing the buckets into which the m input factor values were placed each connect the selected intermediate node to another intermediate node or a leaf node, wherein each leaf node is associated with a range of well productivity output values;
(v) removing the determined input factor from further consideration during further construction of the decision tree;
beginning at the root node, traversing, by the computing device, the decision tree in accordance with a further set of m input factor values associated with a proposed well in order to determine a predicted well productivity output value for the proposed well, wherein the predicted well productivity output value is based on a particular leaf node that is an endpoint of the traversal;
providing, for display on a user interface of a client device, j of the m input features with respective ranges of selectable input factor values, wherein the j input features are assigned to intermediate nodes, and wherein j receiving, via the user interface and from a user, selected input factor values for at least one of the j input features;
determining, based on the selected input factor values, one or more predicted well productivity output values; and
providing, to the client device, a graphic representing the predicted well productivity output values, wherein reception of the graphic by the client device causes the client device to display the graphic.

US Pat. No. 10,138,716

MODULAR NOZZLE INFLOW CONTROL DEVICE WITH AUTONOMY AND FLOW BIAS

BAKER HUGHES, A GE COMPAN...

17. A method for controlling a flow of fluid downhole, the method comprising:receiving the fluid using a removable fluid nozzle in fluid communication with a production tubular disposed in a borehole penetrating an earth formation, the removable fluid nozzle being configured for bi-directional flow, wherein a pressure drop of fluid flow in one direction is greater than the pressure drop of fluid flow in the other direction; and
flowing the fluid in at least one flow path between the earth formation and the removable fluid nozzle at one end and between the removable fluid nozzle and a basepipe in fluid communication with the production tubular at another end in order to control the flow of the fluid;
wherein the removable fluid nozzle is disposed in a nozzle sleeve that is disposed in an annulus formed by a nozzle housing surrounding at least a portion of the basepipe.

US Pat. No. 10,138,715

WELL-BORE AND RESERVOIR MONITORING PROCESS BY LOGGING TEMPERATURE AND RESISTIVITY

King Fahd University of P...

1. A well-bore monitoring process, comprisinglogging the temperature of a soil, rock, and brine mixture present in a carbonate formation continuously, and
simultaneously logging the resistivity of the soil, rock, and brine mixture in the carbonate formation continuously,
interpreting the logged temperature and the logged resistivity to identify dissolution of rock into the mixture and precipitation of scale from the mixture by concurrent events in the logged temperature and the logged resistivity, and
injecting an antiscalant into the well-bore based on the interpreted temperature and resistivity logs,
wherein the simultaneous logging of the temperature and the resistivity is conducted in a well-bore in the carbonate formation.

US Pat. No. 10,138,714

SUBSEA NOISE MITIGATION SYSTEMS AND METHODS

SHELL OIL COMPANY, Houst...

1. A method of exploiting an offshore oil and gas reservoir, comprising:installing a drilling structure in a body of water;
drilling a well from the drilling structure;
deploying a plurality of buoyant, flexible structures adjacent to the well, wherein the buoyant, flexible structures are flat hoses that are deployed in an uninflated rolled up condition adjacent the seafloor; and
inflating the plurality of buoyant, flexible structures with a gas into an upright position after being deployed.

US Pat. No. 10,138,713

AUTONOMOUS WELLBORE DEVICES WITH ORIENTATION-REGULATING STRUCTURES AND SYSTEMS AND METHODS INCLUDING THE SAME

ExxonMobil Upstream Resea...

1. An autonomous wellbore device, comprising:a wellbore tool configured to, responsive to receipt of an actuation signal, autonomously perform a downhole operation within a wellbore conduit that is defined by a wellbore tubular that extends within a subterranean formation;
a control structure configured to be conveyed autonomously within the wellbore conduit with the wellbore tool and programmed to:
(i) determine that an actuation criterion has been satisfied; and
(ii) provide the actuation signal to the wellbore tool responsive to satisfaction of the actuation criterion; and
an orientation-regulating structure comprising at least one of a gyroscope and a buoyant region autonomously conveyable within the wellbore conduit with the wellbore tool and to regulate a cross-sectional orientation of the wellbore tool within the wellbore conduit with respect to a cross-sectional center of the wellbore conduit, while the autonomous wellbore device is autonomously conveyed within the wellbore conduit, the orientation-regulating structure configured to;
(a) determine that an orientation-regulation criterion has been satisfied with respect to an orientation of the wellbore tool; and
(b) provide an orientation indication signal to the control structure responsive to satisfaction of the orientation-regulation criterion.

US Pat. No. 10,138,712

SUBSEA ELECTRICAL UNIT AND SYSTEM

SIEMENS AKTIENGESELLSCHAF...

1. A subsea electrical unit, comprising:a first electric power connection to receive electric power for operating the subsea electrical unit;
a second electric power connection towards a further subsea electrical unit;
a line insulation monitor coupled to the second electric power connection;
a further line insulation monitor coupled to the first electric power connection; and
a control unit adapted to determine whether electric power is present on the first electric power connection and whether electric power is present on the second electric power connection, wherein the control unit is adapted to disconnect the line insulation monitor from the second electric power connection upon determining that electric power is present on the second electric power connection and to disconnect the further line insulation monitor from the first electric power connection upon determining that power is present on the first electric power connection, wherein the control unit includes a first power sensing circuit for measuring the presence of electric power on the first electric power connection and a second power sensing circuit for measuring the presence of electric power on the second electric power connection.

US Pat. No. 10,138,711

WELLHEAD GAS HEATER

Adler Hot Oil Service, LL...

1. A method of burning wellhead gas, comprising:providing a wellhead gas burner comprising an expansion chamber, a fuel rail, and a plurality of fuel rail fingers each connected to the fuel rail and comprising a plurality of combustion chambers, wherein each combustion chamber comprises a combustion tube holder connected to one of the fuel rail fingers, a combustion tube connected to the combustion tube holder, and a combustion nozzle connected to one of the fuel rail fingers, wherein a longitudinal axis of each combustion tube holder extends in a vertical direction;
receiving a flow of wellhead gas from a wellhead in a first pipe;
accommodating pressure fluctuations in the flow of wellhead gas by expanding the wellhead gas within the expansion chamber, wherein the expansion chamber has a larger inner diameter than the first pipe;
passing the expanded wellhead gas from the expansion chamber to the fuel rail;
distributing the expanded wellhead gas from the fuel rail to the plurality of fuel rail fingers and to the plurality of combustion chambers of each fuel rail finger;
combusting the distributed wellhead gas within the plurality of combustion chambers;
heating a wellbore treatment fluid with heat produced by the combustion of the distributed wellhead gas; and
treating a wellbore with the heated wellbore treatment fluid.

US Pat. No. 10,138,710

BIDIRECTIONAL DOWNHOLE ISOLATION VALVE

WEATHERFORD TECHNOLOGY HO...

1. An isolation valve for use in a wellbore, comprising:a downhole tubular housing;
a plurality of closure members pivotally coupled to the tubular housing, wherein the plurality of closure members are movable between an open position and a closed position; and
a sealing member disposed between two adjacent closure members and in contact with the two adjacent closure members when the two adjacent closure members are in the closed position, wherein the two adjacent closure members are in contact with each other in the closed position.

US Pat. No. 10,138,709

HYDRAULIC DELAY TOE VALVE SYSTEM AND METHOD

GEODYNAMICS, INC., Mills...

1. A staged time delay system for removal of debris in a wellbore casing, said staged time delay system comprising:a first tool configured to be conveyed with said wellbore casing, wherein said first tool is positionable at a first location within said wellbore casing, and wherein said first tool is configured to open a first injection point in said first tool, said first injection point collecting debris from said wellbore casing for a predetermined time as pressurized fluid at a maximum pressure rated for said wellbore casing is injected into said wellbore casing; and
a second tool in fluid communication with said first tool, wherein said second tool is positionable at a second location within said wellbore casing, and is configured to open a second injection point in said second tool at the predetermined time after said first injection point is opened, said second injection point being configured to enable downhole operations after said debris is collected in said first tool leaving said second injection point free of said debris.

US Pat. No. 10,138,708

REMOTELY OPERATED PRODUCTION VALVE

Halliburton Energy Servic...

1. A remotely operated valve for use with a subterranean well, the valve comprising:a port which provides for fluid communication between an exterior and an interior of the valve;
a closure member which selectively permits and prevents fluid flow through the port, the closure member permits flow through the port in response to a decrease in a pressure differential from the interior to the exterior of the valve; and
a locking device which prevents displacement of the closure member, the locking device being releasable in response to mechanical force applied to the locking device,
wherein the closure member is released for displacement relative to the port in response to, following release of the locking device, an increase in the pressure differential prior to the decrease in the pressure differential.

US Pat. No. 10,138,707

METHOD FOR REMEDIATING A SCREEN-OUT DURING WELL COMPLETION

ExxonMobil Upstream Resea...

1. A method of completing a well that remediates occurrence of a hydraulic fracturing screen-out condition, comprising:forming a wellbore, the wellbore comprising a bore extending into a subsurface formation;
lining at least a lower portion of the wellbore with a string of production casing;
placing a first valve along the production casing in a closed position, the valve creating a removable barrier to fluid flow within the bore;
perforating the production casing along a first zone of interest within the subsurface formation, the first zone of interest residing at or above the valve;
injecting a slurry into the wellbore perforation at a first injection pressure that is below a screen-out pressure, the slurry comprising a fracturing proppant;
continuing injecting the slurry into the wellbore perforation at the first injection pressure and until the first injection pressure increases to a second injection pressure that is greater than the screen-out pressure, wherein the second injection pressure is sufficient to move the valve from the closed position to the open position and expose ports along the production casing to the subsurface formation at or below the valve; and
further pumping the slurry through the exposed ports, thereby remediating the screen-out condition.

US Pat. No. 10,138,706

COMPLETING A MULTI-STAGE WELL

SCHLUMBERGER TECHNOLOGY C...

12. An apparatus comprising a seat assembly deployable downhole on a conveyance line inside a passageway of a tubing string previously installed in a well,the seat assembly adaptably attachable to an interior profile of the tubing string at a location in the well to form a seat adapted to receive an untethered object and thereby form a fluid barrier to divert fluid in the string,
wherein the seat comprises a surface inclined at an acute angle with respect to a cross-sectional plane that extends through a passageway of a face of the tubing string to produce a radially directed outward force tending to force the seat assembly against a wall of the tubing string in response to a pressure being exerted on the object due to fluid pumped into the string, and
wherein at least a portion of the seat assembly is made of a degradable material.

US Pat. No. 10,138,705

FLOW RESTRICTION DEVICE FOR WELL BORE

SHELL OIL COMPANY, Houst...

1. A flow restriction device for restricting flow through a conduit, the flow restriction device comprising:a deformable insert having a wall section having an inner surface and an outer surface and defining a throughbore, the wall section having properties that are conducive to deformation, the deformable insert being adapted, in use, to be located in or adjacent to an insert support;
at least one pressure generating material portion adapted in use, to generate a deformation force in response to an activation signal, the deformation force adapted to induce a first deformation on the deformable insert wall section when applied to the deformation insert outer surface to reduce a throughbore cross sectional area; and
at least one trigger adapted to generate the activation signal;
wherein, in use, when the flow restriction device is exposed to an internal throughbore pressure, a force generated on the deformable insert inner surface by the internal throughbore pressure is substantially resisted by the deformable insert in combination with the insert support such that deformation of the deformable insert by the internal throughbore pressure is limited, wherein the flow restriction device comprises a deformation mechanism adapted to facilitate a second deformable insert deformation, and wherein the second deformable insert deformation is a bypass.

US Pat. No. 10,138,704

STRADDLE PACKER SYSTEM

16. A method of operating a straddle packer system, comprising:lowering the system into a wellbore;
actuating an anchor of the system into engagement with the wellbore;
energizing an upper seal member and a lower seal member of the system to isolate a section of the wellbore;
equalizing pressure across the upper seal member by applying a tension force to actuate an upper equalizing valve of the system, wherein the upper equalizing valve has an upper outer housing, an upper inner mandrel, and a biasing member disposed between the upper outer housing and the upper inner mandrel, wherein the upper outer housing is movable against a bias force of the biasing member and relative to the upper seal member and the upper inner mandrel to equalize pressure across the upper seal member, wherein the upper seal member does not move when the upper equalizing valve is actuated by the tension force; and
equalizing pressure across the lower seal member by applying the tension force to actuate a lower equalizing valve of the system, wherein the lower seal member does not move when the lower equalizing valve is actuated by the tension force.

US Pat. No. 10,138,703

DRAINAGE FOR A TELESCOPE SECTION OF A LANDING STRING

WellPartner AS, Tananger...

1. A drainage device for a tubular, telescopic pipe-landing unit provided with a through pipe bore partially formed of a center pipe extending from an upper end portion of an outer pipe-landing section and with a free end in through an upper end portion of an inner pipe-landing section, which is axially movable in the outer pipe-landing section, the center pipe being provided with at least one fluid-communication opening arranged for pressure equalization between the pipe bore and an annulus defined between the center pipe and the outer pipe-landing section, wherein the annulus is provided with a drain passage which is arranged to be opened by the axial movement of the inner pipe-landing section into the outer pipe-landing section away from an extended, operative position, in which an abutment portion of the upper end portion of the inner pipe-landing section is resting sealingly against a seat portion on a lower end portion of the outer pipe-landing section.

US Pat. No. 10,138,702

MINERAL EXTRACTION WELL SEAL

Cameron International Cor...

14. A method, comprising:coupling a seal assembly to a tool, wherein the seal assembly comprises:
an annular body; and
an interior sealing assembly disposed radially interior of the annular body;
inserting the tool and the seal assembly axially into a second fixed substantially tubular member of a well;
applying a first pressure via a first pressure port, moving a first piston, and sealing an exterior sealing assembly, wherein the exterior sealing assembly forms a first seal between the seal assembly and the second fixed substantially tubular member;
applying a second pressure via a second pressure port, moving a second piston, and sealing an interior sealing assembly, wherein the interior sealing assembly forms a second seal between the seal assembly and a first fixed substantially tubular member disposed radially interior of the seal assembly, wherein the interior sealing assembly comprises:
an annular body seal ring disposed radially interior of the annular body and having an inward tapered interior surface;
an annular casing seal ring disposed radially interior of the annular body seal ring and having an inward tapered exterior surface, wherein the inward tapered exterior surface and the inward tapered interior surface interface with one another such that as the annular casing seal ring and the annular body seal ring move toward one another in an axial direction, the annular casing seal ring is pushed radially inward and the annular body seal ring is pushed radially outward; and
an annular push ring disposed radially interior of the annular body, wherein an annular bottom surface of the annular push ring abuts an annular top surface of the annular casing seal ring, and wherein the annular push ring, in operation, pushes the annular casing seal ring in the axial direction toward the annular body seal ring, such that the annular casing seal ring moves in the axial direction;
decoupling the seal assembly from the tool; and
retrieving the tool from the well.

US Pat. No. 10,138,701

SWAB-RESISTANT DOWNHOLE TOOLS COMPRISING SEALING ELEMENTS COMPOSED OF SHAPE MEMORY POLYMERS

Halliburton Energy Servic...

1. A swab-resistant downhole tool comprising a body and a sealing element,wherein at least a portion of the sealing element is composed of a shape memory polymer, the shape memory polymer having a glass transition temperature (“Tg”), and exhibiting a resilient characteristic above the Tg and a rigid characteristic below the Tg,
wherein the Tg is in the range of about 50° C. to about 150° C., and
wherein the shape memory polymer has a rigid characteristic modulus over about 1 gigapascal and a resilient characteristic modulus between about 1 megapascal and about 20 megapascal.

US Pat. No. 10,138,700

DUAL RUBBER CARTRIDGE

18. A method of installing a first stripper rubber and a second stripper rubber to an inner barrel of a rotating head assembly to rotate the stripper rubbers with the inner barrel, the inner barrel having an upper portion and a lower portion, the method comprising:attaching the first stripper rubber to a housing wherein at least a portion of the first stripper rubber is within the housing;
attaching the second stripper rubber to the housing wherein said second stripper rubber extends at least partially outside of the housing; and
securing the housing to the lower portion of the inner barrel at a radially outward surface of the inner barrel.

US Pat. No. 10,138,699

HANGER LOCK SYSTEM

Cameron International Cor...

1. A system, comprising:a hanger lock system, comprising:
a positive lock system, comprising:
a load ring configured to engage a first tubular; and
a lock ring configured to energize the load ring, wherein the lock ring comprises first threads configured to interface with first mating threads of a second tubular along a first threaded interface;
a tool, comprising:
a first piston having second threads configured to interface with second mating threads of the second tubular along a second threaded interface, wherein the tool is configured to rotate the first piston to couple and uncouple the tool with the second tubular via the second threaded interface; and
a second piston configured to couple to the lock ring with at least one torque transfer interface to energize the load ring, wherein the at least one torque transfer interface comprises an axial protrusion that interfaces with an axial groove over an axial path of movement between the second piston and the lock ring, the tool is configured to rotate the second piston to drive rotation of the lock ring along the first threaded interface to cause axial movement of the lock ring that causes radial movement of the load ring between an unenergized position and an energized position relative to the first tubular, and the second piston couples to the first piston with one or more shear structures configured to shear in response to torque after the load ring is driven from the unenergized position to the energized position.

US Pat. No. 10,138,698

EXTERNAL LOCKING MECHANISM FOR SEAL ENERGIZING RING

VETCO GRAY, LLC, Houston...

1. A wellhead apparatus comprising:an outer wellhead member having a bore with an axis;
a hanger landed in the bore;
a seal assembly between the hanger and an interior side wall of the outer wellhead member, the seal assembly having an energizing ring that moves axially downward relative to the hanger to a set position that causes the seal assembly to set; and
a lockdown member secured in the bore against axial movement, the lockdown member having a lower end, and the lower end having an annular rib extending from a downward facing surface that bears against an upper end of the energizing ring while the energizing ring is in the set position.

US Pat. No. 10,138,697

MINERAL EXTRACTION SYSTEM HAVING MULTI-BARRIER LOCK SCREW

Cameron International Cor...

25. A method of testing a wellhead assembly, comprising:applying external pressure to a port of a lock screw to apply pressure to a testing region to test an integrity of at least one component of the wellhead assembly, wherein the lock screw comprises:
a body extending through a first component of the wellhead assembly crosswise to a central axis of the first component, wherein the lock screw has a tip portion fixed to the body, and the tip portion selectively engages a recess in a second component disposed inside of the first component of the wellhead assembly to block movement of the second component relative to the first component; and
a passage extending axially through the body between the port and the testing region, wherein the passage terminates at a distance away from the tip portion such that the tip portion is closed to the passage, wherein the tip portion is fixed to the body as a one-piece structure.

US Pat. No. 10,138,696

RADIAL CONDUIT CUTTING SYSTEM

Otto Torpedo Company, Pl...

1. An igniter comprising:an igniter housing adapted to be positioned in a conduit, said igniter housing comprising a containment sub and a nozzle sub that are releasably secured to each other;
a heater in said igniter housing comprising:
a combustible pellet insertable into said igniter housing, said combustible pellet for creating a flow of heated gas when said combustible pellet is ignited while said igniter is in use;
said igniter is free from a loose powdered form of combustible material when said combustible pellet is in said igniter housing; and
a pellet igniting device; and
said nozzle sub for directing the flow of heated gas.

US Pat. No. 10,138,695

DOWNHOLE FLUID FLOW DIVERTING

Halliburton Energy Servic...

1. A flow-diverter assembly positionable in a wellbore, comprising:a housing having a circumferential sidewall, the circumferential sidewall defining an internal flow passage, the sidewall including a discharge port fluidly coupling the internal flow passage to a fluid flow path outside of the housing;
a valve piston located in the housing, said valve piston including a valve body in fluid communication with the internal flow passage, and said valve piston being movable axially along a longitudinal axis of the housing in response to pressure variations in the internal flow passage of the housing between an open position, where a vent of the valve body is fluidly coupled to the discharge port, and a closed position, where the vent of the valve body is substantially sealed from the discharge port;
a barrel cam rotatably mounted inside the housing, the barrel cam defining a circumferentially-arranged track path including axially-spaced first and second path locations corresponding to the open and closed positions of the valve piston;
a cam follower coupling the valve piston to the track path such that rotation of the cam displaces the valve piston between at least the open and closed positions of the valve piston; and
a locking piston located within the housing and configured to prevent movement of the valve piston when the pressure within the internal flow passage of the housing is above a predetermined threshold, such that at an index pressure within the housing the valve piston actuates the valve piston and not the locking piston.

US Pat. No. 10,138,694

DRILLING DEVICE AND UNLOAD CONTROL PROGRAM

Furukawa Rock Drill Co., ...

1. A drilling device comprising:a compressor switch configured to switch air pressure in an air tank so as to bring the air pressure to a first air pressure when the compressor switch is off and to bring the air pressure to a second pressure when the compressor switch is on, wherein the second air pressure is higher than the first air pressure;
a first air pressure unload control unit configured to perform unload control of a compressor to bring air pressure in the air tank to the first air pressure when an engine starts up, and to keep the air pressure in the air tank at the first air pressure while the engine is being driven and a flushing mechanism is not driven whether the compressor switch is on or whether the compressor switch is off; and
a second air pressure unload control unit configured to perform the unload control of the compressor to increase the air pressure in the air tank to the second air pressure when the flushing mechanism starts up and the compressor switch is on.

US Pat. No. 10,138,693

METHOD OF DRILLING A SUBTERRANEAN BOREHOLE

MANAGED PRESSURE OPERATIO...

1. A method of drilling a subterranean wellbore using a drill string comprising the steps of:a. injecting a drilling fluid into the well bore via the drill string and removing the drilling fluid from an annular space around the drill string (the annulus) via an annulus return line in which a main control choke is provided,
b. oscillating the pressure of the fluid in the annulus, the oscillation of the pressure in the annulus being achieved by oscillating the main control choke so that a degree to which the main control choke restricts a fluid flow along the annulus return line is alternately decreased and increased,
c. determining a wellbore storage volume and a wellbore storage coefficient for each fluid pressure oscillation, the wellbore storage volume being a change in a measured flow rate over a time period, and the wellbore storage coefficient being the wellbore storage volume divided by a pressure change over the time period,
d. using the wellbore storage volume and wellbore storage coefficient to determine the proportion by volume of gas and the proportion by volume of liquid in the annulus during that pressure oscillation, and
e. controlling a gain setting of the main control choke in accordance with the proportion by volume of gas in the annulus,
wherein,
the main control choke has a higher gain setting when the proportion by volume of gas in the annulus is higher,
the main control choke has a lower gain setting when the proportion by volume of gas in the annulus is lower,
the higher gain setting allows the main control choke to adjust a flow rate by a predetermined amount in a first time,
the lower gain setting allows the main control choke to adjust the flow rate by the predetermined amount in a second time, and
the first time is shorter than the second time.

US Pat. No. 10,138,692

METHOD AND APPARATUS FOR CONTROLLING THE FLOW OF WELLBORE RETURNS

Weatherford Technology Ho...

1. A method of controlling a flow of wellbore returns and regulating a down-hole hydrostatic pressure of a wellbore, the method comprising:directing the flow of wellbore returns through an intake flow line into a gas/liquid separator; and
in response to the wellbore returns lacking a desired level of associated gases, introducing a supplemental gas into the separator from a supplemental gas source, thereby controlling the flow of wellbore returns into the separator and regulating the down-hole hydrostatic pressure of the wellbore while the wellbore is being drilled.

US Pat. No. 10,138,691

MOBILE SERVICE RIG WITH INTEGRATE PIPE HANDLING ASSEMBLY

Option Technologies Corp....

1. A mobile service rig for handling a pipe, the rig comprising:(a) an elongate wheeled frame defining a longitudinal axis and a transverse axis perpendicular to the longitudinal axis in a substantially horizontal plane;
(b) a mast assembly comprising an elongate mast substantially aligned longitudinally with the frame and extending from a mast base to a mast crown, wherein the mast base is pivotally attached to the frame for moving the mast from a substantially horizontal orientation to a substantially non-horizontal orientation; and
(c) a pipe handling assembly attached to the frame and comprising:
(i) an elongate pipe trough substantially aligned longitudinally with the frame; and
(ii) a pipe lifting assembly for moving the pipe trough, in relation to the mast in the substantially non-horizontal orientation, between a substantially horizontal position in which the pipe trough is level with the frame and a pipe delivery position in which the pipe trough is substantially parallel with the mast and elevated above the frame, wherein the pipe lifting assembly comprises at least one trough lifting arm having a first end pivotally connected to the frame directly or indirectly, and a second end pivotally attached to the pipe trough, the at least one trough lifting arm comprises a first trough lifting arm having an end pivotally attached to the frame and another end pivotally attached to a first portion of the pipe trough, and a second trough lifting arm having an end pivotally attached to the frame and another end pivotally attached to a second portion of the pipe trough disposed longitudinally between the first portion of the pipe trough and the mast assembly when the pipe trough is in the substantially horizontal position, and wherein the first trough lifting arm is articulated between a between a lower trough lifting segment and an upper trough lifting segment, and a lower end of the first trough lifting segment is movable longitudinally in relation to the frame.

US Pat. No. 10,138,690

APPARATUS FOR GRIPPING A TUBULAR ON A DRILLING RIG

WEATHERFORD TECHNOLOGY HO...

11. A method of connecting a gripping apparatus to a top drive, comprising:coupling a connection of the gripping apparatus to the top drive to rotationally fix the gripping apparatus relative to the top drive, wherein the gripping apparatus includes one or more gripping members for gripping the tubular; and
coupling a lock to the connection and the top drive to prevent the apparatus and the top drive from rotating independently of one another, wherein the lock comprises:
two or more link elements configured to surround the connection, and
one or more gripping dies on an inside surface of each link element, the one or more gripping dies configured to engage the apparatus and the top drive.

US Pat. No. 10,138,689

TOOL AND METHOD FOR USE IN SUPPORTING A SUCKER ROD STRING IN AN OIL OR GAS WELL

1904296 ALBERTA LTD., Ca...

1. A method for supporting a sucker rod string and associated downhole pumping equipment on a tubing string inlet or an upper extension thereof, during preparation of a wellhead for suspension of an oil or gas well, the method comprising:a) lifting and supporting the sucker rod string and partially disassembling the wellhead to expose an uphole end of the sucker rod assembly;
b) engaging a support tool to a portion of the uphole end of the sucker rod assembly, the support tool having:
i) a lower narrow portion dimensioned to fit within the interior cavity of the tubing string inlet or an upper extension thereof, the lower narrow portion comprising a lower threaded end for attachment to a first rod coupler;
ii) an upper wide diameter portion defining a substantially horizontal landing surface dimensioned to rest upon the top edge of the tubing string inlet or the upper extension thereof and an upper threaded end extending above the wide diameter portion, the upper threaded end provided for attachment of a second rod coupler;
iii) one or more longitudinal slots extending through the lower narrow portion and the upper wide diameter portion to allow passage of fluid or gas through the tool when the tool is supported on the top edge of the tubing string inlet or the upper extension thereof; and
iv) an upper spacer segment between the wide diameter portion and the upper threaded end, and a lower spacer segment between the narrow diameter portion and the lower threaded end, the upper and lower spacer segments each having opposed flat wrench-landing surfaces to facilitate connection and removal of the tool from the first and second sucker rod couplers; and
c) lowering the sucker rod string into the tubing string inlet or the upper extension thereof, until the lower narrow portion enters the tubing string inlet or the upper extension thereof, and the landing surface of the support tool rests upon the top edge of the tubing string inlet or the top edge of the upper extension thereof.

US Pat. No. 10,138,688

WIRELESS DOWNHOLE TOOL POSITIONING CONTROL

1. A method of restraining the descent rate of a well tool within a well pipe comprising the steps of:securing said tool to an end of a stem tube having a hollow bore;
providing an arched cage around a perimeter of said stem tube;
securing first and second ends of said arched cage to said stem tube;
confining said stem tube to the approximate center of a well pipe by an arched cage surrounding a perimeter of said stem tube; and
providing a flexible material cone within said cage having an apex portion secured to said stem tube in an up-hole direction from an open base of said cone,
wherein a stem tube wall around said hollow bore is penetrated by apertures on opposite axial sides of said cone apex.

US Pat. No. 10,138,687

SYSTEM AND METHOD FOR PRELOADING CONNECTION USING PRESSURE

SCHLUMBERGER TECHNOLOGY C...

16. A method, comprising:forming a rotationally interlocked connection between a first tubular component and a second tubular component;
securing the second tubular component to the first tubular component via a coupler;
providing a hydraulic chamber within the coupler; and
positioning the hydraulic chamber such that application of hydraulic pressure from a predetermined hydraulic volume source to the hydraulic chamber establishes a desired preloading of the first tubular component and the second tubular component across a connection.

US Pat. No. 10,138,686

DOWNHOLE SELF-ISOLATING WELLBORE DRILLING SYSTEMS

Saudi Arabian Oil Company...

1. A wellbore drilling system comprising:a cutting grinder tool attached to a drill string uphole relative to a drill bit attached to a downhole end of the drill string, the cutting grinder tool to receive and pulverize formation cuttings resulting from drilling a formation using the drill bit; and
an isolation tool attached to the drill string uphole relative to the cutting grinder tool, the isolation tool to control flow of a mixture of the pulverized formation cuttings mixed with a drilling mud through the drill string based on a change in a pressure of the mixture caused by a presence, in the mixture, of hydrocarbons released from the formation.

US Pat. No. 10,138,685

DRILLING SYSTEM WITH TEETH DRIVEN IN OPPOSITE DIRECTIONS

1. A drilling system comprising:a drill bit, the drill bit defining a longitudinal axis between a distal end and a proximal end, the drill bit configured to rotate about the longitudinal axis and to cut material at the distal end, the drill bit comprising:
a plurality of chain assemblies, each of the plurality of chain assemblies comprising:
a chain made up of a plurality of cutters, each cutter having teeth positioned in rows extending radially around the cutter, the teeth configured to rotate axially as the teeth engage a material for cutting;
a proximal cog with a first set of gear teeth configured to drive the chain; and
a distal cog configured with a second set of gear teeth configured to engage the chain, the drill bit configured to cut material with each chain at each distal cog;
wherein the plurality of chain assemblies comprises at least a first chain assembly and a second chain assembly, the proximal cog of the first chain assembly configured to drive the first chain assembly in a direction opposite of the proximal cog of the second chain assembly; and
wherein in a moment of time, the teeth on longitudinally adjacent cutters of the first chain assembly rotate in opposite directions when they engage a material for cutting.

US Pat. No. 10,138,684

MULTI CYCLE DOWNHOLE TOOL

NOV DOWNHOLE EURASIA LIMI...

1. An under-reaming tool comprising:a body;
a plurality of extendable cutters coupled to the body, wherein the cutters have an extended position extending from the body and a retracted position retracted into the body, the under-reaming tool configured to be cycled between a first configuration in which the cutters are in the retracted position and a second configuration in which the cutters are movable between the retracted position and the extended position; and
an activation member configured to move the cutters between the retracted position and the extended position, the activation member comprising an effective sealing area;
wherein the under-reaming tool is configured to selectively vary the effective sealing area to selectively vary a hydraulic bias of the activation member; and
wherein the under-reaming tool is configured to prevent the transition of the cutters to the extended position in response to an external fluid pressure outside the body in the first configuration, in the second configuration, or in both the first configuration and the second configuration.

US Pat. No. 10,138,683

DIRECTIONAL CASING-WHILE-DRILLING

Halliburton Energy Servic...

1. A method comprising:rotating a drill bit in a borehole by rotating an upper section of a casing string without substantially rotating a lower section of the casing string, the upper section of the casing string being operatively coupled to the drill bit; and
radially diverting the drill bit from the longitudinal axis of the borehole with a rotary steerable system that is coupled to the lower section of the casing string and disposed at least partially within the lower section of the casing string.

US Pat. No. 10,138,682

TRI-FOOT, LADDER AND METHOD

Werner Co., Greenville, ...

1. A ladder foot rotatably attached adjacent to a bottom of a first rail of a ladder comprising:three surfaces that are distinct and different, and a bolthole through which a bolt extends to rotatably attach the ladder foot to the first rail, the ladder foot essentially has a shape of a triangle with a first face, second face directly connected to the first face, and a third face directly connected to the first face and second face, the first face has a first surface, the second face has a second surface different from the first surface, and the third face has a pick extending essentially perpendicular from it, the first surface is a first rubber tread, and the second surface is a second rubber tread, where the second rubber tread has larger and fewer grooves per inch than the first rubber tread which has smaller and more grooves per inch than the second rubber tread.

US Pat. No. 10,138,681

LADDER TIE OFF SYSTEM

1. A ladder tie off system comprising:a ladder, said ladder having a pair of lateral side members and a plurality of rungs extending between said lateral side members;
an extendable tether, said extendable tether including a tensioning mechanism, a fixed section coupled to said tensioning mechanism, and an extendable section coupled to said tensioning mechanism;
a mount, said mount being coupled to said tensioning mechanism of said extendable tether, said mount being coupled to said ladder proximate a top end of said ladder wherein said extendable tether is configured for being secured to a static object near said top of said ladder whereby said ladder is inhibited from tipping during use;
said ladder having a top member extending between aligned ends of said lateral side members;
said mount being attached to said top member, said mount being positioned on an underside of said top member facing a topmost one of said plurality of rungs of said ladder;
a slot extending through said top member, said extendable section passing through said slot in said top member;
a fixed end hook being coupled to a free end of said fixed section; and
said fixed section being wrapped around one of said lateral side members and said fixed end hook being engaged to one of said plurality of rungs of said ladder.

US Pat. No. 10,138,680

HINGED TRAY FOR LADDER OR STEP STOOL

Tricam Industries, Inc., ...

1. A ladder comprising:a front rail;
a rear rail, wherein the rails are configured to pivot between a ladder open position and a ladder folded position;
a folded ladder depth defined by a first distance between a front surface of the front rail and a rear surface of the rear rail when said rails are in the ladder folded position;
a hinged tray configured to pivot between a hinged tray open position and a hinged tray closed position, the hinged tray comprising:
a top cap portion comprising:
a top cap surface platform having a top cap portion upper face and a top cap portion recess having a top cap portion recess face recessed from the top cap portion upper face,
a top cap portion width, and
a top cap portion rear face spaced a second distance from a top cap portion front face;
a folding portion comprising:
a folding surface platform having a folding portion upper face and a folding portion recess having a folding portion recess face recessed from the folding portion upper face,
a folding portion width, and
a folding portion rear face spaced the second distance from a folding portion front face;
a hinge connecting the top cap portion and the folding portion;
wherein the top cap portion rear face and the folding portion rear face abut when the folding portion is in the hinged tray open position;
wherein the top cap portion rear face and the folding portion rear face are coplanar when the folding portion is in the hinged tray closed position;
a hinged tray folded depth defined by the second distance when the hinged tray is in the hinged tray closed position;
wherein the hinged tray folded depth is not deeper than the folded ladder depth when the front rail and the rear rail are in the ladder folded position;
wherein the hinged tray is secured to at least one of the front rail or the rear rail;
wherein the folding portion upper face is generally coplanar with the top cap portion upper face when the hinged tray is in the hinged tray open position;
wherein the folding portion upper face abuts the top cap portion upper face when the hinged tray is in the hinged tray closed position;
wherein the top cap portion recessed face and the folding portion recessed face are generally and continuously coplanar along at least one third of the widths when the folding portion is in the hinged tray open position.

US Pat. No. 10,138,679

ELEVATED WORKING PLATFORM AND RELATED METHODS

Wing Enterprises, Incorpo...

1. An elevated platform apparatus comprising:a first assembly having a pair of rails coupled with a plurality of rungs;
a second assembly having a pair of rails, the second assembly being hingedly coupled with the first assembly;
a platform pivotally coupled to the first assembly, the platform including a deck and a toe-kick structure, the toe-kick structure including at least one wall configured to be displaced between a first position, wherein the at least one wall extends outward from a working surface of the deck at a substantially perpendicular angle, and a second position, wherein the at least one wall is positioned substantially flat against the working surface of the deck, wherein the first assembly and the second assembly are configured to pivot relative to each other between a deployed state and a collapsed state, wherein when the first and second assemblies are in the deployed state, the platform extends from the first assembly and engages a portion of the second assembly;
a cage associated with the platform, the cage including:
at least one gate, the at least one gate being configures to swing in a first direction upon a user stepping on to the platform from the first rail assembly, and swing back to a closed position after the user is standing on the working surface of the platform, the at least one gate also being limited from being displaced in a second direction, opposite the first direction, beyond the closed position,
a pair of extension members pivotally coupled with the pair of rails of the first assembly,
an upper bar being pivotally coupled with the pair of extension members and also being pivotally coupled with the pair of rails of the first assembly,
a lower bar pivotally coupled with the pair of rails of the second assembly;
at least one first link member having a first end pivotally coupled with the second assembly and a second end pivotally coupled with the platform;
at least one second link member having a first end pivotally coupled with the lower bar and a second end pivotally coupled with the platform, wherein the second end of the at least one first link member and the second end of the at least one second link member share a common point of pivotal connection with the platform; and
a latch member associated with the at least one wall and configures to engage the at least one second link member to maintain the at least one side wall in the first position.

US Pat. No. 10,138,678

SPRING SYSTEM FOR ROLLER BLINDS

Hunter Douglas Industries...

1. A method of selecting one or more springs for a roller blind, comprising:providing a roller blind including a roller, a sheet attached to said roller for winding and unwinding from said roller, and a bottom rail;
determining one or more parameters of the blind, including a roller length, a roller outer diameter, a sheet length, a sheet weight, a sheet height, a sheet thickness, and a bottom rail weight;
determining a torque curve of the blind based on the one or more parameters of the blind;
selecting a first spring having a wire diameter and a spring diameter, said first spring being operatively connected to the roller to drivingly rotate the roller in at least one direction of rotation; and
based on the torque curve, the wire diameter of the first spring, and the spring diameter of the first spring, determining a length of the first spring; wherein the wire diameter, the spring diameter, and the length of the first spring are selected to match the torque curve.

US Pat. No. 10,138,677

TORSION ASSEMBLY FOR A CURTAIN

MACAUTO INDUSTRIAL CO., L...

1. A torsion assembly comprising:a connection member comprising
a shaft having an end;
a connection segment formed on the end of the shaft and having
a connection hole radially defined through the connection segment and having a connection surface formed in a side of the connection hole that is adjacent to the shaft; and
a holding groove defined in the connection surface of the connection hole;
a holding protrusion formed in the connection hole and having an end extending toward the connection surface of the connection hole; and
a torsion spring comprising
a spring body mounted around the shaft of the connection member and having an end and an axis;
a connection leg formed on and extending from the end of the spring body, connected with the connection segment of the connection member, and having
a rod segment formed on and protruding from the end of the spring body, being parallel with the axis of the spring body, and having an end opposite the spring body;
a bent segment connected with the end of the rod segment, being perpendicular to the rod segment, extending toward the axis of the spring body, held in the holding groove in the connection member to be kept from escaping out of the holding groove by the holding protrusion, and having an end opposite the rod segment; and
a hook segment connected with the end of the bent segment, being perpendicular to the bent segment, and extending toward the spring body, wherein the rod segment and the hook segment are located respectively at two diametrical ends of the connection segment of the connection member.

US Pat. No. 10,138,676

ROLLER SHADE WITH A COUNTERBALANCING DEVICE

Hunter Douglas Industries...

1. A roller shade comprising:a flexible sheet member;
a roller shaft rotatable in each of two opposite directions of rotation, the flexible sheet member having a first end coupled to the roller shaft and a second end freely depending from the roller shaft, so as to define a raised position of the roller shade in which the flexible sheet member is wound about the roller shaft and a lowered position in which the flexible sheet member is unwound from the roller shaft;
a counterbalancing device for balancing a portion of the flexible sheet member that is unwound from the roller shaft, the counterbalancing device including:
a stationary central rod;
a helically wound tension spring for storing a variable torque complementary to a variable weight of the portion of the flexible sheet member that is depending from the roller shaft, one end of the helically wound tension spring being coupled to a spring holder and an opposite end of the helically wound tension spring being coupled to a spring winder;
a screw threaded shaft provided in operative association with the spring winder; and
a rod adjuster that is selectively rotatable to rotate the stationary central rod relative to the screw threaded shaft so as to increase or decrease the tension of the helically wound tension spring by relative rotation of the spring holder; and
a bottom bar coupled to the second end of the flexible sheet member;
wherein:
the variable torque stored in the helically wound tension spring prevents rotation of the roller shaft due to the variable weight of the portion of the flexible sheet member depending from the roller shaft in any position between the fully wound and the fully unwound position and increases as the second end of the flexible sheet member is lowered; and
the rod adjuster is engageable to adjust the tension in the helically wound tension spring when the roller shaft is mounted in position on mounting brackets.

US Pat. No. 10,138,675

BATTERY HOUSING SHAPED TO FIT IN A HEADRAIL OF A WINDOW BLIND

Hall Labs LLC, Provo, UT...

1. A battery housing for a window blind comprising:two spaced apart elongated battery compartments for housing a plurality of batteries wherein each of the two elongated battery compartments comprises a length and a width of a generally keyhole shaped cylinder comprising a circular portion intersecting a rectangular portion, wherein the two elongated battery compartments are disposed substantially parallel to each other;
a partially keyhole shaped elongated channel partially formed by adjacent walls of the generally keyhole shaped battery compartments, the partially keyhole shaped elongated channel comprising a bottom surface joining the respective tubular shaped battery compartments along the rectangular portions, wherein the partially keyhole shaped elongated channel is positioned in the space between and substantially parallel to the respective elongated battery compartments;
a base housing, the base housing comprising a first side and a second side joined by side walls defining an interior of the base housing, wherein the second side of the base housing is mechanically connected to the elongated keyhole shaped battery compartments substantially along the length of each of the rectangular portions of the respective elongated battery compartments, wherein the respective rectangular portions are open to the interior and wherein a section of the second side of the base housing defines the bottom surface of the elongated channel and the first side of the base housing is attached to the side walls opposite the second side and provides a cover for the base housing.

US Pat. No. 10,138,674

CONTROL DEVICE FOR CORDLESS BLINDS ASSEMBLY

CHING FENG HOME FASHIONS ...

4. A cordless blinds assembly comprising:a top box, a bottom box and multiple slats connected between the top box and the bottom box, two cords connected to the top box and each cord extending through the slats and extending through a cord hole defined through a top of the bottom box;
the bottom box having two fixed plates located therein and located close to two ends of the bottom box, each of the two fixed plates has a connection tube through which a rectangular hole is defined, the two cord holes respectively defined through the top of the bottom box and located close to the two ends of the bottom box, two outlets defined through the top of the bottom box and located between the two cord holes;
a control device including a rod unit having an operation unit, two scrolling belt units and two transmission rods, the operation unit having a first case, a second case, a button, an engaging member and a coil spring plate seat, the first case having a first room defined therein which communicates with an opening at an inside of the first case, a first side hole defined through an outside wall of the first case, a first pivotal hole defined in an end face of a top wall of the first case, an engaging plate located in the first room;
the second case having a second room defined therein which communicates with an opening at an inside and a portion of a top of the second case, a second side hole defined through an outside wall of the second case, a second pivotal hole defined through the outside wall of wall of the second case, a stud extending from a top of a front wall of the second room, a resilient member mounted to the stub;
the button having a protrusion extending from an underside thereof;
the engaging member having a contact plate extending from a front thereof, a pawl connected to a rear side of the engaging member, two pivots respectively extending from two sides of the engaging member;
the coil spring plate seat having a central rod which is connected between two restriction plates, a coil spring plate wrapped around the central rod between the two restriction plates, each of the two restriction plates having an axial tube extending from an outside thereof, each axial tube having a rectangular hole defined in an end face thereof, a gear connected to one of the restriction plates and located between the restriction plate and the axial tube corresponding to the restriction plate, one of the two axial tubes of the coil spring plate seat extending through the first side hole, and the other one of the two axial tubes of the coil spring plate seat extending through the second side hole, an end of the coil spring plate engaged with the engaging plate in the first room of the first case, the two pivots of the engaging member pivotably connected to the first and second pivotal holes, an underside of the contact plate of the engaging member contacting the resilient member on the stub of the second case, the pawl of the engaging member engaged with the gear of the coil spring plate seat, the first and second cases connected to each other at the two respective insides thereof;
the scrolling belt units each having a housing, a cover and a belt wheel, the housing having a first through hole defined in an outside wall thereof, a belt slot defined in a rear side wall thereof, the cover having a second through hole defined centrally therethrough, a scrolling belt scrolled to the belt wheel which has a tube extending from each of two ends thereof, each of the tubes of the belt wheel having a rectangular hole defined in an end face thereof, the two tubes of the belt wheel respectively extending through the first and second through holes, one end of the scrolling belt extending through the belt slot, the cover connected to the housing, and
each of the transmission rods having two ends which are respectively inserted into the corresponding rectangular hole of the coil spring plate seat and the corresponding rectangular hole of the scrolling belt unit corresponding thereto, each of the transmission rods adapted to be connected with ropes extending from a top box of the cordless blinds assembly, each of the scrolling belts adapted to be connected to the top box.

US Pat. No. 10,138,673

HINGE MOUNTED ASSEMBLY FOR EXISTING DOOR CONSTRUCTIONS

1. A door hinge mounted assembly for existing door constructions, comprising: a generally planar door having a front side and a back side including an upper hinge assembly and a lower hinge assembly each having a top edge and a bottom edge, a hinge mounted assembly including a first bracket adjacent one of the upper hinge assembly and the lower hinge assembly and engaging one of the top edges of one of the upper hinge assembly and the lower hinge assembly to prevent downward movement of the hinge mounted assembly relative to the door, a second bracket adjacent to and engaging the other of the hinge assemblies, and a support rod between the first and the second bracket, said first and second brackets being separate from the upper and lower hinge assemblies.

US Pat. No. 10,138,672

MOUNTING SYSTEM FOR A CAMERA

Serge B. Hoyda, Great Ne...

1. An apparatus configured to view people through a door comprising:at least one mount;
at least one electronic device comprising a display configured to be coupled to said at least one mount; and
at least one camera coupled to the electronic device;
wherein said at least one mount comprises at least one coupling element for coupling said at least one electronic device to said at least one mount and wherein said at least one mount is configured to allow the electronic device to be mounted on a surface;
at least one telescoping scope coupled to said at least one camera and to said at least one electronic device, said at least one telescoping scope configured to be adjustable in length and to extend through the door from an inside surface of the door to an outside surface of the door wherein said camera and said at least one electronic device are positioned on an inside surface of the door; and
at least one power line extending through the door and into a wall and coupled at one end to at least one of said at least one electronic device and said at least one camera at one end and to a wall feed at an opposite end.

US Pat. No. 10,138,671

BARRIER OPERATOR FEATURE ENHANCEMENT

The Chamberlain Group, In...

1. An apparatus comprising:a housing configured to mount in a garage, the housing containing:
a communication module configured to communicate with a plurality of barrier operator types that use different communication protocols, the communication module further configured to send and receive signals according to at least one of wireless and wired communication protocols;
control circuitry interfaced with the communication module to communicate with any of the plurality of barrier operator types, the control circuitry configured to control the communication module to communicate with at least one pre-installed barrier operator to control operation of at least one feature of the at least one pre-installed barrier operator; and
an input/output module interfaced with the control circuitry, the input/output module configured to receive a communication from at least one peripheral device, the communication including a command to effect closing of a barrier by the at least one pre-installed barrier operator;
wherein the input/output module is further configured to receive a communication from an obstacle detector;
wherein the control circuitry is further configured, in response to the communication from the obstacle detector, to refrain from sending a signal to the at least one pre-installed barrier operator to effect closing a barrier by the at least one pre-installed barrier operator despite receiving the command from the peripheral device.

US Pat. No. 10,138,670

LIFTING DEVICE AND VEHICLE DOOR WITH SAID LIFTING DEVICE

AISIN SEIKI KABUSHIKI KAI...

1. A lifting device lifting and lowering a window glass of a door, the lifting device comprising:a drive mechanism for lifting and lowering the window glass;
a support plate supporting the drive mechanism, said support plate mounted on a surface of an inner panel of the door; and
a carrier attached to the support plate in a slidable manner, and lifted and lowered by the drive mechanism, wherein
the support plate includes a through hole, and
a stopper which protrudes from the surface of the inner panel of the door and stops movement of the carrier relative to the support plate is inserted through the through hole.

US Pat. No. 10,138,669

ACTUATING SYSTEM FOR A DOOR OF AN ELECTRICAL DOMESTIC APPLIANCE

NUOVA STAR S.P.A., Zola ...

1. An automatic system for actuating a door of an electrical domestic appliance comprising a frame and a door, which is movable compared to the frame, the system comprising:a first hinge body which can be fixed to the frame;
a second hinge body, which can be fixed to the door;
a hinge pivotally connecting the first hinge body to the second hinge body to allow the first hinge body to pivotally move between a first closed position, wherein the door is abutted against the frame and the second hinge body is positioned at a first angle to the first hinge body, and a second open position, wherein the door is spaced from the frame and the second hinge body is positioned at a second angle to the first hinge body, the second angle being different than the first angle, thus allowing access to an operating compartment of the electrical domestic appliance;
an actuating system for pivotally actuating the second hinge body with respect to the first hinge body, comprising:
an electric actuators; and
a motion transmission member connected between the electric actuator and the second hinge body for transmitting motion from the electric actuator to the second hinge body,
wherein the motion transmission member is flexible and includes a metal cable.

US Pat. No. 10,138,668

POSITION ADJUSTMENT APPARATUS

HUNG CHIN ARCHITECTURAL H...

1. A position adjustment apparatus, comprising:a housing main body having an upper end surface, a lower end surface, a front end surface and a rear end surface; the housing main body having a first opening and a second opening formed in the front end surface; a separation portion formed between the first opening and the second opening; a fifth through hole and a sixth through hole respectively formed in the upper end surface and the lower end surface and communicating with the second opening; and circumferential edges of the fifth through hole and the sixth through hole having a first limiting portion and a second limiting portion respectively formed thereon;
a connecting shaft arranged inside the housing main body; the connecting shaft having one end formed with a first pivotal attachment hole and another end formed with a second pivotal attachment hole; the connecting shaft having a first retaining portion and a second retaining portion formed thereon, and a spring moveably disposed around an outer surface of the connecting shaft, and arranged between the first retaining portion and the second retaining portion, wherein the spring is a compression spring;
a guiding shaft having one end pivotally attached to a first roller and another end pivotally disposed in the second opening of the housing main body and attached to the second pivotal attachment hole of the connecting shaft; and
a rear shaft having one end pivotally attached to a second roller and another end pivotally disposed in the first opening of the housing main body and attached to the first pivotal attachment hole of the connecting shaft.

US Pat. No. 10,138,667

SPRING AND/OR DAMPING ELEMENT

HAHN GASFEDERN GMBH, Aic...

1. A damper element for damping a translational movement of a component and for causing the component to stop at a stop position, the damper element comprising a housing, a carrier displaceably supported in the housing for movement in a translational direction, and a damper part for damping the translational movement, wherein the damper part has a first end connected to the housing and a second end pivotably connected to the carrier, wherein the carrier is pivotable about a pivot axis perpendicular to the translation direction between a first position and a second position, wherein the damper element further includes at least one leaf spring connected to bias the carrier toward the first position, and wherein the carrier includes at least one actuating pin configured to deform the at least one spring when the carrier pivots from the first position to the second position.

US Pat. No. 10,138,666

ANTI-FALL FLIP-UP SLIDING MECHANISM

Nan Juen International Co...

1. An anti-fall flip-up sliding mechanism, comprising:a hinge comprising a first hinge plate configured to be affixed to a cabinet, and a second hinge plate pivotally connected to said first hinge plate;
a buffering device comprising a first damper connected between said first hinge plate and said second hinge plate, and a second damper mounted on said second hinge plate; and
a sliding device coupled to and slidable relative to said second hinge plate of said hinge and engaged with said second damper of said buffering device, said sliding device configured to be affixed to a door panel for enabling said door panel to be buffered relative to said first hinge plate by said first damper and further configured to be connected to a top side of said cabinet and further buffered by said second damper;
wherein a track member is fixedly mounted on said second hinge plate of said hinge, said sliding device comprising a sliding seat connected to said track member and movable forward and backward relative to said track member, and a connecting seat connected to one side of said sliding seat and engaged with said second damper of said buffering device.

US Pat. No. 10,138,665

ENCLOSURE ASSEMBLY WITH CONCEALED HINGE SYSTEM

Appleton Grp LLC, Rosemo...

1. An enclosure assembly with a concealed hinge system, said enclosure assembly comprising:a quadrilateral cabinet defined by a base and sidewalls extending from said base, said sidewalls defining a coplanar rim, said coplanar rim having four corners, said quadrilateral cabinet further defining a hollow space;
a cover configured to swivel along a first sidewall to tightly seal said hollow space;
a first pair of hinges defined by brackets welded to a first corner and a second corner of said first sidewall, said brackets defined by a first footplate and an integral ear extending from said first footplate, an aperture defined in said integral ear;
a block for each hinge in said first pair of hinges welded to an inner surface of said cover, said block defining a tapped blind hole, wherein in an operative configuration said tapped blind hole is coaxial with said aperture defined in said integral ear;
a threaded fixture for each hinge in said first pair of hinges adapted to pass through said recessed aperture and thread into said tapped blind hole, said fixture defining a head complementary to said aperture;
at least one second hinge having a second footplate welded to said coplanar rim of said first sidewall, arcuate arms extending from either end of said second footplate, said arcuate arms defining coaxial apertures,
a sleeve weldable to said inner surface of said cover defining a through-hole; and
a pin configured to pass through said coaxial apertures and said through-hole in an operative configuration, in which said apertures in said first pair of hinges, said tapped blind hole, said coaxial apertures defined on said arcuate arms, and said through-hole are coaxial to enable swiveling action of said cover over second, third, and fourth sidewalls to enclose said hollow space defined in said quadrilateral cabinet.

US Pat. No. 10,138,664

HINGE WITH ADJUSTABLE AXIS LOCATION AND LOCKING MECHANISM

TAYLOR MADE GROUP, LLC, ...

1. An adjustable hinge assembly for connecting a moving part to a frame, the adjustable hinge assembly comprising:a first part securable to the frame, the first part including an insert channel;
a second part securable to the moving part and including a shaft; and
an eccentric insert positioned in the insert channel and rotatable in the insert channel, the eccentric insert including an offset channel at an end facing the second part, wherein the shaft of the second part is disposed in the offset channel, wherein the eccentric insert is cylindrical and further comprises a wedge lock disposed in a lock channel provided in an exterior surface of the eccentric insert, the wedge lock being displaceable relative to the exterior surface to lock the eccentric insert in the insert channel.

US Pat. No. 10,138,663

LOCKING DEVICE FOR A TONER CONTAINER AND IMAGE FORMING APPARATUS HAVING THE LOCKING DEVICE

KYOCERA DOCUMENT SOLUTION...

1. A locking device comprising:a locking cover that is opened and closed when a toner container for receiving toner to be replenished to a development device for developing a toner image is attached to and detached from an image forming apparatus body;
an engagement part that is engaged with the locking cover when the locking cover is in a closed state;
a tension member that pulls the engagement part from a prescribed direction, thereby allowing the engagement part to be engaged with the locking cover;
a movement part that moves the engagement part in an opposite direction of the prescribed direction, thereby releasing an engagement state between the engagement part and the locking cover; and
a mounting member that is mountable at the image forming apparatus body at two postures, and limits movement of the movement part to the opposite direction so as to maintain the engagement state when the mounting member is mounted at one posture while permitting the movement of the movement part in the opposite direction so as to allow the engagement state to be releasable when the mounting member is mounted at a remaining one posture.

US Pat. No. 10,138,662

LOCKING APPARATUS FOR SLIDING DOOR

HYUNDAI MOTOR COMPANY, S...

1. A locking apparatus for a sliding door of a vehicle, the locking apparatus comprising:a window glass safety stopper and a hold-open lock striker sequentially provided in a body of the vehicle in an opening direction of the sliding door as the sliding door moves from a closed position to an open position;
a roller bracket provided at the sliding door;
a locking lever rotatably provided on the roller bracket and having a locking protrusion configured to be locked to the window glass safety stopper to limit movement of the sliding door in the opening direction and an engagement recess configured to be engaged with the hold-open lock striker to limit movement of the sliding door in the opening direction and a closing direction;
a first elastic member configured to bias the locking lever;
a window glass lever rotatably provided on the roller bracket, connected to a window glass provided at the sliding door via a first cable, and configured to interlock with the locking lever;
a second elastic member configured to bias the window glass lever; and
a connecting lever rotatably provided on the roller bracket, connected to a handle provided at the sliding door via a second cable, and configured to interlock with the locking lever.

US Pat. No. 10,138,661

INGRESS AND EGRESS AID THROUGH CHECK STRAP LATCH

FCA US LLC, Auburn Hills...

1. A vehicle comprising:a vehicle body;
a door rotatably supported by said vehicle body and rotatable relative to the vehicle body along a path between an open state and a closed state;
an interior door handle operatively associated with an interior of the door and actuable to unlatch the door to an unlatched state permitting the door to rotate from the closed state toward the open state;
a check strap extending between said vehicle body and said door and operable to restrict rotation of said door relative to the vehicle body;
a locking mechanism operable between a locked state, engaging said check strap to restrict rotation of said door relative to said vehicle body when said door is rotated between said closed state and said open state, and an unlocked state, disengaged from said check strap to permit rotation of said door relative to said vehicle body;
an assist handle moveable between a non-actuated state and a deployed state, said locking mechanism movable from said unlocked state to said locked state upon movement of said assist handle from said non-actuated state to said deployed state; and
wherein said assist handle is moveable from said non-actuated state to said deployed state to move said locking mechanism from said unlocked state to said locked state at any position of the door along the path the door travels between the closed state and the open state.

US Pat. No. 10,138,660

MULTIPLE POINT DOOR LOCKING SYSTEM

Hanchett Entry Systems, I...

1. A door lock system, comprising:a) a frame having a first side and a second side opposite said first side;
b) a deadbolt and a door latch connected to said frame configured to move between retracted and extended positions;
c) a first rotary control connected to said frame, said first rotary control having a first axis of rotation and configured to control deadbolt movement between extended and retracted positions via a primary cam mechanism rotatable about a second axis of rotation off-spaced from said first axis of rotation and acted upon by said first rotary control, wherein said primary cam mechanism includes a split two piece cam having first and second pieces each separately rotatable about said second axis of rotation, wherein said first piece includes a first actuating arm, and wherein said second piece includes a second actuating arm;
d) a second rotary control having a third axis of rotation off-spaced from said first and second axes of rotation and configured to control latch movement between extended and retracted positions; and
e) a link configured to positively move said deadbolt to said retracted position in response to operation of said second rotary control when said latch is moved toward said retracted position by said second rotary control, as effected via a rotary input to said second rotary control from one of said first or second sides of said frame,
wherein, upon rotary input to said second rotary control, said link is configured to move along a linear path normal to said movement of said deadbolt and said door latch and to contact said primary cam mechanism upon said link movement to affect movement of said deadbolt between said retracted and said extended positions.

US Pat. No. 10,138,659

COMPRESSION LATCH

Southco, Inc., Concordvi...

1. A compression latch assembly configured for latching a panel separating an interior region from an exterior region, the compression latch assembly comprising:a housing assembly defining an exterior well open to the exterior region and a compartment extending into the interior region;
a handle actuator assembly having a handle exposed within the exterior well of the housing assembly, a crank coupled to the handle, and a drive shaft coupled to the crank, wherein the handle and the crank rotate about a pivot point within the compartment of the housing assembly to move the drive shaft; and
a rotating pawl assembly having a hook defining a slot positioned to receive the drive shaft of the handle actuator assembly, wherein pivotal movement of the handle of the handle actuator assembly with respect to the pivot point actuates the hook by movement of the drive shaft of the handle actuator assembly relative to the slot from a first position within the slot to a second, different position within the slot defined in the hook.

US Pat. No. 10,138,658

THREE POINT LOCK

MILGARD MANUFACTURING INC...

1. A fenestration assembly comprising:a frame,
a movable first sash being movable from a fully closed position to a partially open position;
a second sash,
a lock assembly including:
a handle movable from a first position to a second position,
a main lock movable between a locked position and an unlocked position, the movable first sash being locked to the second sash only in the fully closed position;
a first side lock movable between a first side lock locked position and a first side lock unlocked position locking the movable first sash to the frame in both the fully closed position and partially open position;
wherein the main lock and the first side lock are operatively connected to the handle and the main lock is moved between the locked and the unlocked positions and the first side lock is moved between the first side lock position and the first side lock unlocked position only by movement of the handle between the first position and second position;
wherein the handle includes a handle free end and a pair of pivots, the handle pivoting in relation to the first rail between a first position and a second position, a majority of the handle being closer to the second rail in the first position than when the handle is in the second position.

US Pat. No. 10,138,657

MOTOR VEHICLE DOOR LOCK

Kiekert Aktiengesellschaf...

1. A motor vehicle door latch, with a locking mechanism comprising a catch and a pawl having a bolting contour, whereby the pawl is adjacent to a ratchet contour of the catch, with its bolting contour in a closed state of the locking mechanism wherein the bolting contour is designed in two parts with a holding contour and an unrolling contour, whereby the holding contour predominantly interacts in the closed state of the locking mechanism with the ratchet contour, whereas the unrolling contour is positioned to interact with the ratchet contour when the pawl is moved in an opening direction from the closed state;wherein the unrolling contour and the holding contour are respectively designed as circular arcs;
wherein the circular arcs are equipped with different length radii and centre points;
wherein the centre point of the unrolling contour and the centre point of the holding contour are at a distance from one another; and
wherein the centre point of the holding contour is arranged on an unrolling contour side of a rotational axis of the pawl and the centre point of the unrolling contour is arranged on a holding contour side of the rotational axis.

US Pat. No. 10,138,655

KEY COVER

David Frank Borenstein, ...

1. A cover for a key, comprising:a first wall, wherein the first wall defines a first cavity extending partially from an exterior surface of the first wall to an opposite interior surface of the first wall;
a metallic plate embedded in the first wall and positioned at least partially within the first cavity;
a first magnet inserted in the first cavity and fixedly attached to the metallic plate;
a second wall opposite to the first wall; and
an outer wall extending between the first wall and the second wall, the outer wall defining a pair of slots extending therethrough, the slots being positioned opposite to each other on the outer wall, wherein the slots are sized to interlock with lateral bow tips of an SC1 key and wherein the slots are rectangular slits,
wherein the first wall, the second wall, and the outer wall define a closed chamber for receiving a bow of the key and an opening to the chamber.

US Pat. No. 10,138,654

PANEL EDGE ENGAGEMENT CONFIGURATION

DAN RAZ LTD., Tirat Carm...

1. An apparatus comprising:(a) an opening bounded by a frame including a strike jamb;
(b) a panel mounted relative to said opening so as to be displaceable between an open position in which said panel is separated from said strike jamb to leave at least part of said opening open and a closed position in which said panel closes against said strike jamb; and
(c) a locking element associated with said strike jamb, said locking element being displaceable between a locked state in which said locking element engages a pressure-surface of said panel in a closed position of said panel to prevent separation of said panel from said strike jamb and a released state in which said panel can be separated from said strike jamb,wherein said strike jamb and said panel are formed with complementary respective parts of a ridge-and-recess configuration, said complementary parts inter-engaging in said closed position of said panel,and wherein said ridge-and-recess configuration at least partially defines a border region of said panel having an edge portion having first thickness dimension, and a neck portion having a reduced thickness dimension smaller than said first thickness dimension, and wherein, in said locked state of said locking element, a clearance between said locking element and a facing part of said strike jamb is less than said first thickness, said locking element closing on said neck portion so as to trap said edge portion adjacent to said strike jamb.

US Pat. No. 10,138,653

INSULATED TENT

1. A collapsible insulated tent structure comprising:a) a frame that comprises:
i) a roof formed with a centrally disposed roof hub at an apex, the hub having 3 or more hinged outwardly extending struts, with each adjacent pairs of strut supporting a portion of a flexible fabric cover member by forming a triangular downward sloping roof panel,
ii) three or more sides walls formed of the cover member, each sidewall extending downward from an upper side at an edge of the roof panel and supported by a centrally disposed sidewall hub having at least three hinged outwardly extending struts,
iii) wherein the cover member has a plurality of elongated pocket sets, the pockets in each set extending from a common proximal end to receive and secure the distal end of the approaching struts from the roof and sidewall hubs,
iv) wherein at least a portion of the flexible fabric cover member is a reflective fabric that has quilted pockets defined by seams having a linear sequence of adjacent weld points that bond an external fabric layer to one or more additional layers, wherein the weld points have a diameter of 0.5 to 1 mm are spaced apart by a gap of 1 to 5 mm.

US Pat. No. 10,138,652

FOLDABLE TENT RACK

XIAMEN ROADZUP OUTDOOR PR...

1. A tent rack, comprising:a first support stand including a first connecting base; two first stand poles; and two second stand poles; and
a second support stand 50 including a third stand pole; a second connecting base; and one second stand pole of the two second stand poles,
wherein each first stand pole of the two first stand poles has a first end that is rotatably connected to the first connecting base so that the two first stand poles are rotatable between a folded position and an unfolded position,
wherein each first stand pole of the two first stand poles is rotatably connected to and coupled with one second stand pole of the two second stand poles to form a scissor-type structure, and
wherein the first support stand with the two first stand poles unfolded has an arch shape and the two second stand poles are separated from one another
wherein one second stand pole of the two second stand poles and the third stand pole have respective first ends, and the first end of the third stand pole and the first end of the one second stand pole are rotatably connected by the second connecting base,
wherein the third stand pole and the one second stand pole are rotatable between an unfolded position and a folded position,
wherein the third stand pole is rotatably connected to and coupled with a fourth stand pole to form a scissor-type structure, and
wherein the second support stand, the third stand pole, and the one second stand pole in the unfolded position form an arch shape and one first stand pole of the two first stand poles and the fourth stand pole are separated from one another.

US Pat. No. 10,138,651

WINTER TANNING TENT

1. A tent comprising:a shell, a frame, and a floor panel;
wherein the frame is a structure upon which the shell is mounted such that an interior space is created;
wherein the shell comprises a transparent material such that sunlight will pass through the shell into the interior space, wherein the interior space is warmed by solar energy;
wherein the frame is mounted on the floor panel;
wherein the shell comprises a first panel, a second panel, a third panel, a fourth panel, and a fifth panel;
wherein the tent is further defined with a length, a width and a height;
wherein the first panel is a sheeting that is cut in a rectangular shape;
wherein the second panel is a sheeting that is cut in a rectangular shape;
wherein the third panel is a sheeting that is cut in a rectangular shape;
wherein the fourth panel is a sheeting that is cut in a rectangular shape;
wherein the fifth panel is a sheeting that is cut in a rectangular shape;
wherein the first panel is further defined with a first edge, a second edge, a third edge, and a fourth edge;
wherein the second panel is further defined with a fifth edge, a sixth edge, a seventh edge, and an eighth edge;
wherein the third panel is further defined with a ninth edge, a tenth edge, an eleventh edge, and a twelfth edge;
wherein the fourth panel is further defined with a thirteenth edge, a fourteenth edge, a fifteenth edge, and a sixteenth edge;
wherein the fifth panel is further defined with a seventeenth edge, an eighteenth edge, a nineteenth edge, and a twentieth edge;
wherein a first rectangular region of the second panel is blacked out;
wherein the first rectangular region of the second panel is bounded by: the sixth edge, the seventh edge, the eighth edge, from the seventh edge to a point one third of the distance of the span between the fifth edge and the seventh edge;
wherein a second rectangular region of the third panel is blacked out;
wherein the second rectangular region of the third panel is bounded by: the tenth edge, the eleventh edge, the twelfth edge, and from the eleventh edge to a point one third of the distance of the span between the ninth edge and the eleventh edge;
wherein a third rectangular region of the fourth panel is blacked out;
wherein the third rectangular region of the fourth panel is bounded by:
the fourteenth edge, the fifteenth edge, the sixteenth edge, and from the fifteenth edge to a point one third of the distance of the span between the thirteenth edge and the fifteenth edge;
wherein a fourth rectangular region of the fifth panel is blacked out;
wherein the fourth rectangular region of the fifth panel is bounded by:
the eighteenth edge, the nineteenth edge, the twentieth edge, and from the nineteenth edge to a point one third of the distance of the span between the seventeenth edge and the nineteenth edge.

US Pat. No. 10,138,650

COLUMBARIUM SYSTEM

COLUMBARIUM BY DESIGN, LL...

1. A columbarium system, comprising:a plurality of five-sided niche cabinets, each niche cabinet comprising:
a back side, a top side, a bottom side, a right side and a left side; and
a front lip extending from a front end of the niche cabinet, the front lip having a top segment, a bottom segment, a right segment and a left segment;
wherein the niche cabinets are stackable in multiple columns and rows to form a columbarium;
a plurality of braces, each brace comprising a straight tube fitting between the front lip segments of adjacent niche cabinets and extending along the front lip segments of adjacent niche cabinets;
a plurality of brackets, each bracket comprising a plurality of arms and a face plate knob, wherein the brackets fit at corners of the front lip, wherein each of the plurality of arms extends into a respective brace, wherein the face plate knob extends outwardly away from the bracket to support a corner of a face plate, and wherein the face plate knob comprises at least one face plate positioning divider;
a plurality of the face plates, each face plate covering the front side end of a respective niche cabinet, and each face plate supported and positioned by the face plate knobs on the brackets adjacent to said niche cabinet; and
a plurality of face plate security assemblies, each face plate security assembly attaching to a respective bracket face plate knob and extending over portions of adjacent face plates in order to secure the adjacent face plates against adjacent braces.