US Pat. No. 10,337,448

METHODS AND SYSTEMS FOR A FUEL INJECTOR ASSEMBLY

Ford Global Technologies,...

1. A method for a fuel injector comprising:sending an electrical signal from a controller to an actuator, the actuator coupled to an injector needle, wherein the electrical signal causes the actuator, in a single actuation cycle and during a single combustion cycle, to:
move the injector needle downward from a first position to a third position via a second position, wherein a first fuel injection is delivered at the second position and a second fuel injection is delivered at the third position, and, subsequently,
move the injector needle upwards from the third position to the first position via the second position, wherein a third fuel injection is delivered at the second position,
wherein the injector needle is coupled to a fuel supply, and
wherein fuel from the fuel supply is introduced into a combustion chamber via delivery of the first fuel injection, the second fuel injection, and the third fuel injection.

US Pat. No. 10,337,447

FUEL INJECTION CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE

MITSUBISHI JIDOSHA KOGYO ...

1. A fuel injection control apparatus of an internal combustion engine having an in-cylinder injection valve for directly injecting fuel into a combustion chamber, comprising:an operating state detection device that detects an operating state of the internal combustion engine;
an additional injection device that, when determining based on detection results of the operating state detection device that the operating state of the internal combustion engine is a transient state involving a change in an intake air amount, controls the in-cylinder injection valve to inject a fuel amount conformed to the changing intake air amount; and
a subtraction device that subtracts a minimum fuel amount, injectable from the in-cylinder injection valve, from a fuel amount to be injected, before injection by the additional injection device is performed, wherein
in a steady state, the additional injection device calculates a first fuel amount to be injected from the in-cylinder injection valve during an intake stroke based on the operating state of the internal combustion engine at a first timing immediately before an exhaust stroke,
in a first transient state, the additional injection device calculates a second fuel amount, which includes a third fuel amount to be injected from the in-cylinder injection valve during the intake stroke based on the operating state of the internal combustion engine, at a second timing immediately before the intake stroke, and the subtraction device always subtracts the minimum fuel amount from the second fuel amount to obtain the third fuel amount, which is substituted for the first fuel amount, to be injected from the in-cylinder injection valve during the intake stroke, and
in a second transient state, the additional injection device calculates a fifth fuel amount, which is an additional fuel amount to be injected in a compression stroke that immediately follows the intake stroke, based on the minimum fuel amount and a fourth fuel amount obtained from the operating state of the internal combustion engine at a third timing immediately before the compression stroke to inject a total of the fourth fuel amount and the minimum fuel amount during a first half of the compression stroke, such that at least the minimum fuel amount is injected in the compression stroke.

US Pat. No. 10,337,446

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. A control device for an internal combustion engine for controlling an internal combustion engine provided with:an engine body;
a fuel feed system configured to directly feed fuel to a combustion chamber of the engine body and to indirectly feed fuel to the combustion chamber of the engine;
a spark plug arranged so as to face the inside of the combustion chamber; and
a temperature detector configured to detect a temperature of the engine body,
which control device is comprised of a combustion control part configured to burn a premix by controlling the fuel feed system and the spark plug as necessary based on the temperature of the engine body in an operating region enabling the premix to be burned by compression ignition inside the combustion chamber,
wherein the combustion control part is configured:
to feed fuel to the combustion chamber in the intake stroke to form a homogeneous premix and make the homogeneous premix burn by flame propagation when the temperature of the engine body is less than a first threshold value;
to feed fuel to the combustion chamber in the intake stroke to form a homogeneous premix and make the homogeneous premix burn by compression ignition when the temperature of the engine body is the first threshold value to less than a second threshold value larger than the first threshold value;
to directly feed fuel to the combustion chamber in the compression stroke to form a partial premix and make the partial premix burn by compression ignition when the temperature of the engine body is the second threshold value or more; and
to indirectly feed at least part of the fuel to the combustion chamber in the intake stroke while directly feeding the remaining fuel to the combustion chamber in the intake stroke to form a homogeneous premix when the temperature of the engine body is less than the second threshold value.

US Pat. No. 10,337,445

METHOD FOR OPERATING A DUAL FUEL INJECTION SYSTEM

Ford Global Technologies,...

1. A method, comprising:via a controller with computer-readable instructions stored on non-transitory memory,
while operating an engine cylinder with fuel from a first injector,
activating a second injector to inject stagnated fuel from a fuel rail coupled to the second injector into the cylinder in response to a fuel pressure increase at the fuel rail, the stagnated fuel being stagnate due to a condition of fuel flow to the fuel rail being substantially equal to zero; and
deactivating the second injector in response to a fuel pressure decrease at the fuel rail below a lower threshold, the lower threshold adjusted based on one or more engine operating conditions.

US Pat. No. 10,337,444

SYSTEM AND METHOD FOR CONTROLLING FUEL FOR REACTIVATING ENGINE CYLINDERS

Ford Global Technologies,...

1. An engine operating method, comprising:directly injecting fuel to a first cylinder for a first combustion event in the first cylinder after the first cylinder is deactivated during a cycle of an engine via ceasing combustion in the first cylinder, the engine continuing to rotate without stopping an entire time while the first cylinder is deactivated;
port injecting fuel to the first cylinder a first time after the first cylinder is deactivated for a second combustion event in the first cylinder after the first cylinder is deactivated; and
port injecting fuel to a second cylinder for a first combustion event in the second cylinder after the first cylinder and the second cylinder are deactivated during the cycle of the engine.

US Pat. No. 10,337,443

SYSTEMS AND METHODS FOR DETERMINING FUEL RELEASE FROM A FUEL INJECTOR

Ford Global Technologies,...

1. An engine method, comprising:positively identifying that one or more fuel injectors of an engine have released greater than a threshold amount of fuel to the engine while the engine was stopped and while engine fuel injectors were commanded off, the positive identification determined via a controller evaluating an engine fuel-air ratio estimate produced during engine cranking and run-up, the engine fuel-air ratio produced via an oxygen sensor having a temperature greater than or equal to a temperature where a pumping current of the oxygen sensor is proportionate to a concentration of oxygen sensed via the oxygen sensor; and
adjusting an actuator via the controller in response to the positive identification.

US Pat. No. 10,337,442

METHODS AND SYSTEM FOR IMPROVING ACCURACY OF INJECTING SMALLER AMOUNTS OF FUEL TO AN ENGINE

Ford Global Technologies,...

1. An engine fueling method, comprising:determining whether a port fuel injection window is short or long based on a desired pulse width for a port fuel injection of a first cylinder cycle, relative to a threshold pulse width, the short port fuel injection window having a port fuel injection abort angle after an intake valve closing of a cylinder cycle immediately preceding the first cylinder cycle and before an intake valve opening for the first cylinder cycle;
operating with the desired pulse width in the short port fuel injection window; and
in response to determining the port fuel injection window is short:
ending the port fuel injection for the first cylinder cycle at an end time corresponding to at or before the port fuel injection abort angle, the end time adjusted during the short port fuel injection window of the first cylinder cycle; and
scheduling a direct fuel injection, including determining a pulse width and a timing of the direct fuel injection, after the port fuel injection abort angle, the pulse width of the direct fuel injection adjusted for the adjusted end time.

US Pat. No. 10,337,441

AIR PER CYLINDER DETERMINATION SYSTEMS AND METHODS

GM GLOBAL TECHNOLOGY OPER...

1. An engine control system of a vehicle, comprising:a cylinder control module that determines a target fraction of activated cylinders of an engine;
a first air per cylinder (APC) module that determines a first APC value based on an intake manifold pressure and an air temperature;
an adjustment module that determines an APC adjustment value based on the target fraction of activated cylinders;
wherein the first APC module determines a second APC value based on the first APC value and the APC adjustment value;
a second APC module that determines a third APC value based on a mass air flowrate (MAF) into the engine and the target fraction of activated cylinders;
a filter module that applies a filter to the third APC value to determine a fourth APC value;
an air state module that transitions an air state from a first state to a second state when an intake air pressure ratio is less than a predetermined value, a change in the intake air pressure ratio is less than a second predetermined value, a change in the target fraction of activated cylinders is zero, a change in the fourth APC value is less than a third predetermined value, and a change in an intake cam phaser position is less than a fourth predetermined value;
a learning module that adjusts a learn adjustment value at a first predetermined rate when the air state is in the second state and that does not adjust the learn adjustment value when the air state is in the first state;
an adjusting module that adjusts the second APC value based on the learn adjustment value to produce a fifth APC value; and
a fuel control module controls fuel injection based on the fifth APC value and a target air/fuel mixture.

US Pat. No. 10,337,440

SYSTEM AND METHOD FOR ENGINE POPPET VALVE DIAGNOSTICS

Ford Global Technologies,...

15. An engine system, comprising:an engine including one or more cylinder valve deactivating mechanisms and an exhaust system;
an electric machine; and
a controller including executable instructions stored in non-transitory memory to adjust operation of the engine in response to an indication of degradation of the one or more cylinder valve deactivating mechanisms, the indication of degradation based on a temperature in the exhaust system while the electric machine is rotating the engine and while fuel is not supplied to the engine.

US Pat. No. 10,337,439

CONTROL METHOD FOR CONTROLLING A FUEL INJECTION SYSTEM, AND FUEL INJECTION SYSTEM

CPT Group GmbH, Hannover...

1. A control method for controlling a fuel injection system of an internal combustion engine, the method comprising:providing a fuel injection system having a high-pressure fuel pump with a pump piston which moves between a bottom dead center and a top dead center (TDC) in a pressure chamber during operation and which serves for highly pressurizing a fuel, having a camshaft for driving the pump piston and having a high-pressure region with at least one injector valve for injecting highly pressurized fuel into a combustion chamber of an internal combustion engine;
providing a pressure-limiting valve which, when a predefined opening pressure is reached in the high-pressure region discharges fuel from the high-pressure region into the pressure chamber of the high-pressure fuel pump;
detecting a fault situation in the fuel injection system, wherein the predefined opening pressure is overshot in the high-pressure region;
determining a period duration with four evenly distributed quadrants between a first TDC time, at which the pump piston is at the top dead center (TDC), and a second TDC time, at which the pump piston is at the top dead center;
setting an injection time at which the injector valve begins to inject fuel;
providing a camshaft adjuster for adjusting a camshaft angle of the camshaft relative to the pump piston;
adjusting the camshaft angle of the camshaft such that the injection time lies in a duration which extends in a second quadrant of the period duration and/or in a third quadrant of the period duration.

US Pat. No. 10,337,438

PUSH-BUTTON START SYSTEM FAULT DIAGNOSIS

GM GLOBAL TECHNOLOGY OPER...

1. A method comprising:determining, using a plurality of vehicle subsystem control modules including respective processors, said control modules being in communication with each other and receiving signals from at least a vehicle communications bus and vehicle sensors, that a no engine crank condition has occurred if the switch is pressed and the brake is applied, and if so, performing a no crank diagnosis;
determining, using the respective processors in the control modules, that a starter control relay has not been enabled after the system is in a crank power mode, and if so, performing a starter control relay not-enabled diagnosis, and recording at least one first indication of error within a first vehicle subsystem control module of the vehicle subsystem control modules;
determining, using the respective processors in the control modules, that the starter control relay has been disabled before the engine begins to run, and if so, performing a starter control relay disabled diagnosis, and recording at least one second indication of error within the first vehicle subsystem control module;
determining, using the respective processors in the control modules, that the engine has stalled within a defined threshold time after being started, and if so, performing an engine stall diagnosis; and
switching the vehicle to a run power mode when the engine is started and no faults have been detected.

US Pat. No. 10,337,437

ABNORMALITY DIAGNOSIS DEVICE AND ABNORMALITY DIAGNOSIS METHOD FOR INTERNAL COMBUSTION ENGINE

TOYOTA JIDOSHA KABUSHIKI ...

1. An abnormality diagnosis device for an internal combustion engine having a plurality of cylinders, the abnormality diagnosis device comprisingan electronic control unit configured to:
execute temperature rise processing in which a temperature of a catalyst controlling exhaust gas from the cylinders is raised by controlling an air-fuel ratio of at least one of the cylinders to be a rich air-fuel ratio lower than a stoichiometric air-fuel ratio and controlling an air-fuel ratio of each of the other cylinders to be a lean air-fuel ratio higher than the stoichiometric air-fuel ratio;
determine whether or not the execution of the temperature rise processing is ongoing;
execute abnormality determination processing to determine whether or not the internal combustion engine is in an abnormal state based on a variation degree of the air-fuel ratios of the cylinders;
execute the abnormality determination processing based on whether or not the variation degree during stop of the temperature rise processing exceeds a first determination value; and
execute the abnormality determination processing based on whether or not the variation degree during the execution of the temperature rise processing exceeds a second determination value, the second determination value being larger than the first determination value.

US Pat. No. 10,337,436

EXHAUST GAS SENSOR CONTROLS ADAPTATION FOR ASYMMETRIC TYPE SENSOR DEGRADATION

Ford Global Technologies,...

1. A method comprising:sensing an air-fuel ratio via an exhaust gas sensor;
determining a first time delay of the sensed air-fuel ratio from a commanded air-fuel ratio when the sensed air-fuel ratio is transitioning in a first direction;
determining a second time delay of the sensed air-fuel ratio from the commanded air-fuel ratio when the sensed air-fuel ratio is transitioning in a second, different direction;
determining an asymmetric sensor response responsive to the first time delay different from the second time delay;
responsive to the asymmetric sensor response, generating a modified air-fuel ratio with symmetric response based on the sensed air-fuel ratio; and
adjusting fuel injection based on the modified air-fuel ratio.

US Pat. No. 10,337,435

HEATER CONTROL DEVICE FOR EXHAUST GAS SENSOR

DENSO CORPORATION, Kariy...

1. A heater control device for an exhaust gas sensor, comprising:a heater that heats a sensor element of an exhaust gas sensor disposed in an exhaust gas passage of an internal combustion engine; and
a controller, comprising a processor and storage for storing instructions, which is configured to:
execute a preheating control for controlling an energization of the heater to preheat the sensor element within a temperature range causing no element crack attributable to water, and
during execution of the preheating control, the controller is configured to:
determine whether a temperature of the sensor element reaches an upper limit temperature;
set an energization duty of the heater to a preheating promotion energization duty until determining that the temperature of the sensor element reaches the upper limit temperature,
determine whether an inside of an exhaust pipe is in a drying state; and
set the energization duty to a temperature maintaining energization duty to maintain the temperature of the sensor element at the upper limit temperature after determining that the temperature of the sensor element reaches the upper limit temperature until determining that the inside of the exhaust pipe is in the drying state, wherein:
the temperature maintaining energization duty is constant,
the preheating promotion energization duty is constant and is larger than the temperature maintaining energization duty,
the energization duty is at a same constant value at the preheating promotion energization duty in the preheating control until the controller determines that the temperature of the sensor element reaches the upper limit temperature, and
the energization duty is at a same constant value at the temperature maintaining energization duty in the preheating control after the controller determines that the temperature of the sensor element reaches the upper limit temperature until controller determines that the inside of the exhaust pipe is in the drying stat.

US Pat. No. 10,337,434

PARTICULATE MATTER (PM) SENSOR

ISUZU MOTORS LIMITED, To...

1. A particulate matter (PM) sensor comprising:a porous filter member including a plurality of cells that traps particulate matter in exhaust gas;
at least a pair of electrode members arranged to face each other with each cell of the plurality of cells being interposed therebetween and forming a capacitor;
a controller that executes, when a predetermined amount of particulate matter has accumulated in each cell of the plurality of cells, filter regeneration of heating each cell of the plurality of cells to combust and remove the accumulated particulate matter; and
a temperature sensor that acquires a temperature of the filter member,
wherein the controller stores a reference temperature, which is a temperature of the filter member in a case where the filter regeneration has been executed by the controller in a state where the exhaust gas including the particulate matter is not flowing into the filter member; and
wherein the controller estimates a particulate matter amount included in the exhaust gas based on an electrostatic capacitance change amount between the pair of electrode members during a regeneration interval period from an end of the filter regeneration by the controller to a start of a next filter regeneration, and estimates the particulate matter amount included in the exhaust gas based on a difference between the temperature acquired by the temperature sensor and the reference temperature during a filter regeneration period by the controller.

US Pat. No. 10,337,433

EXHAUST PURIFICATION SYSTEM

ISUZU MOTORS LIMITED, To...

1. An exhaust purification system comprising:an NOx reduction type catalyst, which is provided in an exhaust passage of an internal combustion engine, reduces and purifies NOx in an exhaust gas;
an intake air amount sensor, which detects an intake air amount of the internal combustion engine; and
a controller, which executes a regeneration treatment that recovers an NOx purification capacity of the NOx reduction type catalyst by switching an exhaust air fuel ratio from a lean state to a rich state by using:
an air-system control to reduce the intake air amount; and an injection-system control to increase a fuel injection amount, which are used in combination,
wherein, in response to a detection value of the intake air amount sensor, the controller executes a control to change at least one of a fuel injection timing and the fuel injection amount in the internal combustion engine, in at least one period of switching of a period of switching from the lean state to the rich state for starting the regeneration treatment; and a period of switching from the rich state to the lean state for ending the regeneration treatment, and
where the detection value of the intake air amount sensor does not change by a predetermined value or more continuously during a predetermined time, the controller terminates the control to change the at least one of the fuel injection timing and the fuel injection amount in the internal combustion engine.

US Pat. No. 10,337,432

VEHICLE AND METHOD OF CONTROLLING A VEHICLE

Ford Global Technologies,...

1. A method for controlling a vehicle having an engine operable in a variable displacement (VDE) mode and an auxiliary device connected directly to a crankshaft of the engine and coupled to an energy storage device, comprising:operating the auxiliary device to store energy in the energy storage device responsive to operating the engine in a normal mode when engine speed and torque demand fall within a first VDE speed and torque boundary but outside a second VDE speed and torque boundary, the second VDE speed and torque boundary being contained within the first VDE speed and torque boundary; and
operating the auxiliary device powered by the energy storage device to supply torque to the crankshaft responsive to operating in the VDE mode when engine speed and torque demand exceed the second VDE speed and torque boundary but are within the first VDE speed and torque boundary.

US Pat. No. 10,337,431

SYSTEM AND METHOD FOR CONTROLLING BUSYNESS OF CYLINDER MODE CHANGES

Ford Global Technologies,...

1. An engine operating method, comprising:adjusting a time a first cylinder poppet valve is allowed to be deactivated via a controller in response to an amount of time a second cylinder poppet valve was deactivated during a prior period of cylinder deactivation;
deactivating the first cylinder poppet valve via the controller in response to the time the first cylinder poppet valve is allowed to be deactivated; and
reducing a total actual number of active engine cylinders combusting air and fuel from a first number of active engine cylinders to a second number of active engine cylinders in response to the time the first cylinder poppet valve is allowed to be deactivated.

US Pat. No. 10,337,430

METHOD AND SYSTEM FOR DETERMINING AIR-FUEL RATIO IMBALANCE

Ford Global Technologies,...

1. A method, comprising:operating in a first condition and during operating in the first condition:
after disabling fueling to all cylinders leading to a common exhaust of an engine, sequentially fueling each of the disabled cylinders via fueling only one cylinder of all cylinders at a time, for multiple combustion events, while maintaining remaining cylinders of all cylinders disabled; and
during the sequential fueling of each of the disabled cylinders:
for each of the cylinders, following fueling the only one cylinder while maintaining remaining cylinders disabled, learning an air-fuel ratio variation for the one cylinder based on a first error between an actual air-fuel deviation from a maximum lean air-fuel ratio relative to a fixed air-fuel deviation estimated at a first exhaust gas sensor coupled downstream of an exhaust catalyst in the common exhaust for each of the multiple combustion events, and following learning the air-fuel ratio variation for the one cylinder for each of the multiple combustion events, disabling fueling to all cylinders for a period of time before sequentially firing a next cylinder of all cylinders; and
operating in a second condition and during operating in the second condition:
after disabling fueling to all cylinders leading to the common exhaust of the engine, sequentially fueling each of the disabled cylinders via fueling only one cylinder of all cylinders at a time, for multiple combustion events, while maintaining the remaining cylinders of all cylinders disabled; and
during the sequential fueling of each of the disabled cylinders: for each of the cylinders, following fueling the only one cylinder while maintaining the remaining cylinders disabled, learning the air-fuel ratio variation based on a second error between the actual air-fuel deviation from the maximum lean air-fuel ratio relative to the fixed air-fuel deviation estimated at a second exhaust gas sensor coupled upstream of the exhaust catalyst in the common exhaust for each of the multiple combustion events, and following learning the air-fuel ratio variation for the one cylinder for each of the multiple combustion events, disabling fueling to all cylinders for a period of time before sequentially firing the next cylinder of all cylinders.

US Pat. No. 10,337,429

CONTROL APPARATUS AND METHOD FOR INTERNAL COMBUSTION ENGINE CYLINDER BALANCE

GM GLOBAL TECHNOLOGY OPER...

1. A method of operating an internal combustion engine of a vehicle to maintain cylinder balance, the internal combustion engine including a plurality of cylinders, a quantity of fuel being delivered to each cylinder by a corresponding fuel injector, each fuel injector being controlled via a controller operably coupled to each fuel injector, wherein the controller includes a program code which is stored on a non-transitory computer-readable medium associated with the controller, that when executed in the controller is configured to carry out the method comprising:differentiating by the controller a first operating mode corresponding to a steady state operation of the internal combustion engine from a second operating mode corresponding to a transient operation of the internal combustion engine based upon a first operating parameter of the internal combustion engine, wherein the transient operation comprises at least one of a change of engine speed, a change of engine speed moving average, a change of fuel quantity request, a change of fuel quantity moving average;
in the first operating mode, implementing a first control strategy providing cylinder balance; and
in the second operating mode, implementing a second control strategy, different than the first control strategy, providing cylinder balance, wherein the second control strategy utilizes a dynamic factor based upon a second operating parameter of the internal combustion engine.

US Pat. No. 10,337,428

APPARATUS AND METHOD FOR CONTROLLING EGR VALVE

DOOSAN INFRACORE CO., LTD...

1. An apparatus for controlling an EGR valve, the apparatus comprising:a measurement unit configured to measure at least one operation condition of an engine system;
a fresh air amount setting unit configured to set a target amount of fresh air based on the operation condition;
a fresh air amount sensor configured to measure a current amount of fresh air introduced through an intake line;
a control calculation unit configured to set a signal for controlling an opening degree of the EGR valve so that the current amount of fresh air follows the target amount of fresh air;
an identifier configured to
simulate an input and an output of the engine system by predicting the output of the engine system, comparing the predicted output with actual output of the engine system, and updating parameters of the identifier so that the output of engine system becomes equal to the predicted output of the engine system, and
output engine system input-output sensitivity which is a ratio of a change rate of the current amount of fresh air to a change rate of the opening degree of the EGR valve; and
a gain setting unit configured to set at least one gain, which is used for the calculation of the control calculation unit, according to an operation condition of the engine system,
wherein the gain is divided by the engine system input-output sensitivity, and
the control calculation unit corrects the gain in accordance with the operation condition of an engine system, by dividing the gain by the engine system input-output sensitivity.

US Pat. No. 10,337,427

CONTROL DEVICE OF COMPRESSION SELF-IGNITION ENGINE

Mazda Motor Corporation, ...

1. A control device for a compression self-ignition combustion engine configured to combust mixture gas inside a combustion chamber by self-ignition, the control device comprising:a variable valve operating system configured to introduce internal EGR gas into the combustion chamber by changing an opening operation of at least an exhaust valve out of an intake valve and the exhaust valve;
a boosting system configured to boost intake air introduced into the combustion chamber;
a controller configured to output a control signal to at least the variable valve operating system so as to operate the engine; and
a sensor connected to the controller and configured to detect a parameter related to an operating state of the engine and output a detection signal to the controller, wherein
an operation mode of the variable valve operating system is switchable between a first mode in which the exhaust valve is closed before a top dead center of exhaust stroke to confine the internal exhaust gas recirculation (EGR) gas inside the combustion chamber and a second mode in which the exhaust valve is opened on intake stroke to introduce the internal EGR gas into the combustion chamber,
in an operating range of the engine where the engine operates by self-ignition combustion, when an engine load is higher than a given load, the boosting system boosts the intake air introduced into the combustion chamber, and when the engine load is lower than the given load, the boost of the intake air is prevented, and
when the engine load is higher than the given load, the controller outputs a control signal to the variable valve operating system to cause the variable valve operating system to operate in the first mode, and when the engine load is lower than the given load, the controller outputs a control signal to the variable valve operating system to cause the variable valve operating system to operate in the second mode.

US Pat. No. 10,337,426

METHODS AND SYSTEMS FOR REDUCING WATER ACCUMULATION IN AN ENGINE

Ford Global Technologies,...

1. A method for controlling an engine of a hybrid vehicle, comprising:with a controller, estimating ambient humidity via a humidity sensor;
with the controller, responsive to a higher than threshold ambient humidity, during an engine non-combusting condition, actuating a variable displacement engine (VDE) actuator to close deactivatable cylinder valves, and maintaining non-deactivatable cylinder valves in an active state, and during an immediately subsequent engine combusting condition, activating the deactivatable cylinder valves, and starting combustion in deactivatable cylinders before starting combustion in non-deactivatable cylinders; and
with the controller, responsive to a lower than threshold ambient humidity, during the engine non-combusting condition, maintaining each of the deactivatable cylinder valves and the non-deactivatable cylinder valves in an active state.

US Pat. No. 10,337,425

SYSTEMS AND METHODS FOR A SPLIT EXHAUST ENGINE SYSTEM

Ford Global Technologies,...

1. A system for an engine, comprising:a first exhaust manifold coupled to a first set of exhaust valves and an exhaust passage including a turbocharger turbine;
a second exhaust manifold coupled to a second set of exhaust valves and an intake passage via a first exhaust gas recirculation (EGR) passage, the first EGR passage coupled to the intake passage between an intake throttle and a most downstream turbocharger compressor;
a second EGR passage coupled between the second exhaust manifold and the intake passage upstream of the most downstream turbocharger compressor; and
a controller including memory with computer-readable instructions for:
selectively routing exhaust from the second set of exhaust valves to the intake passage via each of the first EGR passage and the second EGR passage based on a condition of the most downstream turbocharger compressor, the condition including one or more of an inlet gas temperature of, a flow rate through, and an outlet gas temperature of the most downstream turbocharger compressor relative to respective thresholds.

US Pat. No. 10,337,424

SYSTEM AND METHOD FOR ENERGY MANAGEMENT USING LINEAR PROGRAMMING

Electronic Power Design, ...

1. A system comprising:a processor in data communication with a non-transitory computer readable medium;
a hybrid power source for servicing a system load, the hybrid power source comprising a natural gas engine, a diesel engine and a battery;
a computer program comprising instructions stored in the non-transitory computer readable medium that are executed by the processor, the computer program comprising,
instructions determining a current system load serviced by power provided from the hybrid power source;
instructions to determine a current operating state for the natural gas engine, the diesel engine and the battery;
instructions to determine a new operating state for the natural gas engine, the diesel engine and the battery to reduce power consumption servicing the current system load the natural gas engine, the diesel engine and the battery; and
instructions to replace the current operating state for the natural gas engine, the diesel engine and the battery to the new operating state for the natural gas engine, the diesel engine and the battery.

US Pat. No. 10,337,423

METHODS AND SYSTEM FOR ADJUSTING ENGINE OPERATION BASED ON EVAPORATED AND CONDENSED PORTIONS OF WATER INJECTED AT AN ENGINE

Ford Global Technologies,...

1. A method, comprising:boosting intake air directed to an intake manifold of an engine with a motor-driven compressor;
in response to a request for water injection, selecting, based on engine operating conditions, a location for water injection from among an intake port, the intake manifold, and directly into a cylinder; and
injecting an amount of water into the selected location responsive to engine conditions; and
adjusting an engine operating parameter responsive to a first portion of the amount of water that vaporized and a second portion of the amount of water that remained liquid.

US Pat. No. 10,337,422

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND ABNORMALITY DIAGNOSIS SYSTEM FOR CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

Toyota Jidosha Kabushiki ...

1. A control apparatus for an internal combustion engine, the control apparatus comprising:a turbocharger including a turbine provided in an exhaust passage of the internal combustion engine and a compressor provided in an intake passage of the internal combustion engine;
a bypass passage that branches off from the exhaust passage at a branching point upstream of the turbine and that merges with the exhaust passage at a merging point downstream of the turbine;
a waste gate valve installed in the bypass passage, the waste gate valve being configured to change a cross-sectional area of a passage of exhaust gas in the bypass passage;
a turbo bypass valve installed in the exhaust passage between the branching point and the merging point, the turbo bypass valve being configured to change a cross-sectional area of a passage of exhaust gas that passes through the turbine;
an air-fuel ratio sensor provided in the exhaust passage downstream of the merging point; and
an electronic control unit configured to
when a predetermined acceleration request for shifting an operation status of the internal combustion engine from a normal aspiration region to a supercharging region is established and a required opening degree of the turbo bypass valve is larger than a predetermined reference opening degree, execute air-fuel ratio control for changing an air-fuel ratio of exhaust gas from the internal combustion engine for a predetermined first period, the normal aspiration region being a region in which normal aspiration operation is performed and the waste gate valve is open, the supercharging region being a region in which supercharging operation is performed, and
at the time when the waste gate valve is controlled in response to the predetermined acceleration request, close the waste gate valve based on a convergence status of detected air-fuel ratio fluctuations, the detected air-fuel ratio fluctuations being fluctuations in air-fuel ratio that is detected by the air-fuel ratio sensor resulting from the air-fuel ratio control.

US Pat. No. 10,337,421

ENGINE DEVICE

YANMAR CO., LTD., Osaka ...

1. An engine device comprising:at least one cylinder;
an intake manifold configured to supply air into the at least one cylinder;
an exhaust manifold configured to discharge exhaust gas from the at least one cylinder;
at least one main fuel injection valve configured to inject liquid fuel into the at least one cylinder;
at least one gas injector configured to mix gas fuel with the air supplied by the intake manifold;
a supercharger comprising a compressor and configured to compress air through a use of the exhaust gas from the exhaust manifold;
an intercooler configured to cool compressed air resulting from the compression by the supercharger and supply resultant cooled air to the intake manifold;
a main throttle valve disposed at a portion where an outlet of the supercharger and an inlet of the intercooler are coupled to each other;
an exhaust bypass flow path configured to couple an outlet of the exhaust manifold to an exhaust outlet of the supercharger;
an exhaust bypass valve disposed in the exhaust bypass flow path;
an air supply bypass flow path configured to bypass the compressor of the supercharger; and
an air supply bypass valve disposed in the air supply bypass flow path,
an engine control unit configured to:
when a load on the engine device is lower than a predetermined load L1 falling within a low load range, perform a feedback control on the main throttle valve, and when the load is higher than the predetermined load L1, perform a map control based on a data table on the main throttle valve, and
when the load on the engine device is higher than a predetermined load L2 which is higher than the predetermined load L1, adjust an opening degree of the main throttle valve to a fully-open opening degree, and control each of the exhaust bypass valve and the air supply bypass valve to allow a pressure inside the intake manifold to be adjusted to a target value based on the load.

US Pat. No. 10,337,420

METHOD FOR CONTROLLING ENGINE SYSTEM

HYUNDAI MOTOR COMPANY, S...

1. A method for controlling an engine system having a supercharger and a turbocharger, wherein the supercharger is mounted to a rear end of an intercooler, the method comprising:an accelerator-pedal-opening-degree determination operation of determining, by a controller, whether an opening degree of an accelerator pedal detected after an engine starts is a first reference value or more;
a first coolant temperature determination operation of determining whether, when the opening degree of the accelerator pedal determined in the accelerator-pedal-opening-degree determination operation is less than the first reference value, a detected temperature of a coolant is a second reference value or more;
a second coolant temperature determination operation of determining whether the temperature of the coolant determined in the first coolant temperature determination operation is the second reference value or more and is within a temperature range; and
a boosting operation of, by the controller, calculating boosting contribution rates of the supercharger and the turbocharger, respectively, when the determined temperature of the coolant is within the temperature range in the second coolant temperature determination operation, and driving the supercharger and the turbocharger using the calculated boosting contribution rates,
wherein in the accelerator-pedal-opening-degree determination, operation, when the determined opening degree of the accelerator pedal is the first reference value or more, the controller determines that the engine is in a rapid-acceleration driving mode and terminates the method for controlling the engine system.

US Pat. No. 10,337,419

METHOD AND SYSTEM FOR DIESEL CYLINDER DEACTIVATION

Eaton Intelligent Power L...

1. A pollution management system for a diesel engine, comprising:a diesel engine comprising a plurality of combustion cylinders, each of the plurality of combustion cylinders comprising a respective:
piston connected to a crankshaft;
fuel injector connected to an injection controller;
intake valve connected to an intake valve controller; and
exhaust valve connected to an exhaust valve controller;
a load monitoring sensor;
a controllable intake assisting device connected to the diesel engine and configured to selectively boost air supplied to the diesel engine;
an exhaust system connected to the exhaust valves, the exhaust system comprising:
a catalyst for filtering pollution from an exhaust stream; and
a sensor for measuring a pollution level in the exhaust stream; and
a control unit comprising a processor, a memory device, and processor-executable control algorithms stored in the memory, the control algorithms configured to iteratively:
receive load data;
determine a load on the engine;
determine an engine output requirement based on the load on the engine;
select between increasing and decreasing an air to fuel ratio;
receive pollution level sensor data from the sensor;
determine a pollution level in the exhaust stream;
determine whether the pollution level exceeds a pollution threshold for pollution exiting the exhaust system;
when the pollution level in the exhaust stream exceeds the pollution threshold:
select at least one of the plurality of combustion cylinders for deactivation, wherein the plurality of combustion cylinders selected for deactivation are configured to change in number or location among iterations;
command the injection controller to deactivate the respective fuel injector for the at least one of the selected combustion cylinders;
command the intake valve controller to deactivate the respective intake valve for the at least one of the selected combustion cylinders;
command the exhaust valve controller to deactivate the respective exhaust valve controller for the at least one of the selected combustion cylinders;
command variations in the air to fuel ratio for each of the active plurality of combustion cylinders among iterations so that the air to fuel ratio is selectively increased or decreased among respective iterations to control the pollution level exhausted from the engine so that the pollution level exiting the exhaust system is below the pollution threshold while the at least one of the plurality of combustion cylinders is selected for deactivation; and
when a load on the engine is below a first threshold, adjust the number of the plurality of combustion cylinders selected for deactivation to meet engine output requirements.

US Pat. No. 10,337,418

SYSTEM FOR REACTIVATING DEACTIVATED CYLINDERS

Ford Global Technologies,...

1. An engine system, comprising:an engine including a first cylinder with a first intake valve and a first exhaust valve;
a first deactivating valve operator in mechanical communication with the first intake valve;
a first non-deactivating valve operator in mechanical communication with the first exhaust valve; and
a controller including instructions to activate the first intake valve in response to an estimate of an oil amount in a cylinder.

US Pat. No. 10,337,417

CONTROL UNIT FOR INTERNAL COMBUSTION ENGINE

AISIN SEIKI KABUSHIKI KAI...

1. A control unit for an internal combustion engine, comprising:a valve opening/closing timing control apparatus including:
a driving side rotary body rotatable about a rotational axis in synchronism with a crankshaft of an internal combustion engine;
a driven side rotary body mounted rotatably about the same axis as the rotational axis relative to the driving side rotary body, the driven side rotary body being rotatable together with an exhaust cam shaft controlling opening/closing of an exhaust valve of the internal combustion engine; and
a phase adjustment mechanism configured to set a relative rotational phase between the driving side rotary body and the driven side rotary body;
the exhaust cam shaft being configured to open/close the exhaust valves of a plurality of cylinders with a predetermined rotational angular spacing therebetween;
after an opening timing of the exhaust valve, an advancing operation being effected to displace the relative rotational phase in an advancing direction relative to the opening timing; and
subsequently, the relative rotational phase being displaced in a direction of a retarding operation releasing the advancing operation in order to cause the exhaust valve of another cylinder which is to effect an exhaust operation next to open at an original opening timing, wherein:
the phase adjustment mechanism sets the relative rotational phase between the driving side rotary body and the driven side rotary body by an electrically powered actuator,
there is provided a controlling section controlling the electrically powered actuator, and
the controlling section sets a period required for the advancing operation longer than a period required for the retarding operation.

US Pat. No. 10,337,416

METHODS AND SYSTEMS FOR DETERMINING ENGINE MISFIRE

Ford Global Technologies,...

1. A method for operating an engine, comprising:opening and closing an exhaust valve of a cylinder during a cylinder cycle;
operating the engine with blow through conditions present during the cylinder cycle;
sampling an exhaust pressure sensor in an exhaust passage of the cylinder during the cylinder cycle but not sampling the exhaust pressure sensor during the blow through conditions in the cylinder, where the blow through conditions include a condition where an intake valve of the cylinder is open while the exhaust valve is open and intake manifold pressure is greater than exhaust pressure;
determining peak exhaust pressure based on the sampling of the exhaust pressure sensor; and
adjusting operation of the cylinder in response to the peak exhaust pressure.

US Pat. No. 10,337,415

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

Daimler AG, Stuttgart (D...

1. A method for operating an internal combustion engine of a motor vehicle, the method comprising:directly injecting fuel into at least one combustion chamber of the internal combustion engine using at least one injection device; and
igniting, by a spark ignition device, a mixture of fuel and air in the combustion chamber,
wherein the internal combustion engine is operated selectively in:
at least one first operating mode with at least one first valve lift of at least one gas exchange valve of the internal combustion engine, associated with the combustion chamber, and
at least one second operating mode with at least one second valve lift of the gas exchange valve, which is smaller than the first valve lift,
wherein a charge movement of the mixture in the second operating mode is assisted by at least one further injection of fuel directly into the combustion chamber, which is carried out prior to the ignition,
wherein the internal combustion engine is operated in homogeneous operation in the second operating mode, and
wherein the spark ignition device performs the ignition in the second operating mode.

US Pat. No. 10,337,414

DEVICES AND METHODS FOR EARLY PREDICTION OF IMPENDING INSTABILITIES OF A SYSTEM

INDIAN INSTITUTE OF TECHN...

1. A system for predicting and controlling the onset of an event in turbulent systems comprising:a processor, and a memory, wherein the memory comprises instructions for the processor to:
derive a time series data from sensor signal data obtained from one or more sensors connected to the turbulent system via a signal conditioning circuitry;
process the time series data using one of visibility graph, horizontal visibility graph or threshold grouping to derive a complex network, the complex network comprising nodes corresponding to the data, wherein connections between the nodes represent non-trivial topological features that characterize a state of the turbulent system;
calculate network properties using the complex network, wherein the network properties include at least a global efficiency and a shortest path length of the complex network, wherein the global efficiency is a function of the shortest path length;
compare the calculated global efficiency with that of set operating conditions to identify one of:
a transition state, wherein the transition state includes a transition from a stable state to a precursor state of the system, or
a precursor state, wherein the precursor state indicates an onset of an instability event in the system;
generate a control signal if the transition state or precursor state is identified; and
transmit the control signal to a controller, wherein the controller is configured to alter one or more operating inputs via a control device based on the control signal to restore stable operation of the turbulent system.

US Pat. No. 10,337,412

LIQUID FUEL CONTROL VALVE FOR GAS TURBINE ENGINE AND METHOD FOR CONTROLLING FLOW OF LIQUID FUEL TO ENGINE

General Electric Company,...

1. A pressure balanced valve for a combustor of a gas turbine, the pressure balanced valve comprising:a housing including a fluid inlet and fluid outlets;
an actuator within the housing and movable between an open position and a closed position, wherein the actuator is spherical, includes an interior chamber and has an actuator inlet to the interior chamber which is aligned with the fluid inlet of the housing and has actuator outlets from the interior chamber which are each aligned with one of the fluid outlets of the housing while the actuator is in the open position;
a fluid path through the housing and the interior chamber of the actuator and the fluid path extends from the housing fluid inlet to the housing fluid outlets, wherein the fluid path allows fluid flow through the housing and the actuator while the actuator is in the open position;
wherein the fluid path is blocked while the actuator is in the closed position such that fluid cannot flow from the housing fluid inlet to the housing fluid outlets and fluid cannot flow between the housing fluid outlets, and
wherein a first housing outlet of the housing fluid outlets is connected to a first combustion can of the combustor, and a second housing outlet of the housing fluid outlets is connected to a second combustion can of the combustor.

US Pat. No. 10,337,411

AUTO THERMAL VALVE (ATV) FOR DUAL MODE PASSIVE COOLING FLOW MODULATION

General Electric Company,...

1. An auto thermal valve for dual mode passive cooling flow modulation, comprising:a gas flow inlet port;
a gas flow outlet port;
a temperature dependent expandable element;
a rod coupled to the temperature dependent expandable element; and
a valve disc coupled to a distal end of the rod, the temperature dependent expandable element displacing the valve disc in response to a change in temperature;
wherein the valve disc is displaced away from a valve seat by the temperature dependent expandable element at temperatures above and below a range of temperatures to allow a flow of cooling gas to pass from the gas flow inlet port to the gas flow outlet port, and wherein the valve disc engages the valve seat to block the flow of cooling gas from flowing from the gas flow inlet port to the gas flow outlet port at temperatures within the range of temperatures.

US Pat. No. 10,337,410

ANALYSIS METHOD FOR MEASUREMENT ERROR OF OPERATING PARAMETERS OF GAS TURBINE AND CONTROL APPARATUS

SIEMENS AKTIENGESELLSCHAF...

1. A fuel gas system of a gas turbine, comprising:a fuel line to transport fuel gas to the gas turbine;
a plurality of sensors to respectively measure multiple values of respective physical operating parameters of the fuel gas in the fuel line; and
a programmable controller for the gas turbine programmed to execute an analysis method for detecting a measurement error of operating parameters of a gas turbine, the controller being configured to:
put measured values of operating parameters into functions whose variables include the operating parameters, to calculate results of the functions;
compare the results of the functions, once calculated, with respective analysis ranges of the respective corresponding functions;
identify, based upon the comparison, one or more measured values of operating parameters who are at least part of the variables of the respective functions whose calculated results fail to fall within the analysis ranges of the respective corresponding functions;
determine, among the identified one or more measured values, a measured value of a physical operating parameter which is not a variable of the respective function whose calculated results fall within the analysis ranges of the respective corresponding functions has a relatively highest likelihood of a measurement error; and
signal which of the sensors of the fuel gas system corresponds to the measured value of the physical operating parameter determined to have the relatively highest likelihood of the measurement error.

US Pat. No. 10,337,408

THERMAL INSULATION BLANKET AND THERMAL INSULATION BLANKET ASSEMBLY

MRA Systems, LLC, Baltim...

1. A thermal insulation cover, comprising:an aerogel insulation material having a first surface and a second surface that is oppositely-disposed from the first surface;
a backing covering the second surface of the aerogel insulation material; and
a metallic foil skin layer covering the first surface of the aerogel insulation material and wrapping around an end of the aerogel insulation material and a portion of the backing and a portion of the second surface.

US Pat. No. 10,337,407

LOW NOISE COMPRESSOR FOR GEARED GAS TURBINE ENGINE

UNITED TECHNOLOGIES CORPO...

1. A gas turbine engine, comprising:a fan, a compressor section having a low pressure compressor and a high pressure compressor, and a turbine section having a low pressure turbine, the low pressure turbine for driving the low pressure compressor and the fan;
a gear reduction effecting a reduction in the speed of the fan relative to a speed of the low pressure turbine; and
at least one stage of the compressor section having a ratio of vanes to blades that is greater than or equal to 1.8, wherein the corrected tip speed of the blades is greater than or equal to 480 ft/sec at an approach speed.

US Pat. No. 10,337,406

METHOD AND APPARATUS FOR HANDLING PRE-DIFFUSER FLOW FOR COOLING HIGH PRESSURE TURBINE COMPONENTS

United Technologies Corpo...

1. A gas turbine engine comprising:a compressor section;
a combustor section;
a diffuser case module with a multiple of struts within an annular flow path from said compressor section to said combustor section, wherein a first of said multiple of struts is configured with a plurality of mid-span pre-diffuser inlets that are fluidly coupled with said annular flow path; and
a manifold fluidly coupled with said mid-span pre-diffuser inlets and a bearing compartment.

US Pat. No. 10,337,405

METHOD AND SYSTEM FOR BOWED ROTOR START MITIGATION USING ROTOR COOLING

General Electric Company,...

1. A gas compressor comprising:a rotor;
a plurality of stages of compression extending along said rotor from an inlet stage configured to receive a flow of relatively low pressure gas to an outlet stage configured to discharge a flow of relatively high pressure gas;
a casing at least partially surrounding said plurality of stages; and
a conduit extending radially inwardly from said casing to an area proximate said rotor, wherein said conduit is configured to channel a flow of cooling fluid from said casing to the area proximate said rotor after shutdown of the gas compressor.

US Pat. No. 10,337,404

PREFERENTIAL COOLING OF GAS TURBINE NOZZLES

General Electric Company,...

1. A turbine engine, comprising:a turbine nozzle assembly with a plurality of circumferentially spaced first components and second components; and
a plurality of transition pieces each defining a hot gas path from a combustor of a plurality of combustors to the turbine nozzle assembly, wherein the plurality of transition pieces are arranged circumferentially about a rotational axis of the turbine engine in a plurality of pairs of adjacent transition pieces, and each pair of adjacent transition pieces of the plurality of transition pieces has an interface circumferentially between the adjacent transition pieces in the pair of adjacent transition pieces;
wherein the first components are aligned with the interfaces, the second components are disposed between the interfaces and are aligned with the hot gas paths from the plurality of combustors through openings of individual transition pieces of the plurality of transition pieces, and the second components are configured to be cooled more than the first components,
wherein the first components comprise first band segments aligned with the interfaces, the second components comprise second band segments aligned with the openings, and the first band segments have fewer cooling holes than the second band segments.

US Pat. No. 10,337,403

GAS TURBINE COMBINED CYCLE FACILITY AND WATER-SURFACE FACILITY

MITSUBISHI HEAVY INDUSTRI...

1. A gas turbine combined cycle facility comprising:a gas turbine unit provided with an intake duct;
a heat recovery steam generator for recovering exhaust gas from the exhaust gas produced by the gas turbine unit and producing steam;
an exhaust duct for guiding the exhaust gas of the gas turbine unit to the heat recovery steam generator; and
a supporting frame which supports the gas turbine unit, the heat recovery steam generator, and the exhaust duct, wherein
the supporting frame includes a plurality of base members which are arranged in a vertical direction,
the plurality of base members includes a first base member positioned on an uppermost layer, a second base member positioned on an intermediate layer, and a third base member positioned on a lowermost layer, wherein the area of the third base member is larger than the area of the second base member,
the intake duct is disposed on the first base member,the gas turbine unit is disposed on the second base member,the heat recovery steam generator is disposed on the third base member,
a height of the heat recovery steam generator extends above the second base member, and
the heat recovery steam generator is disposed side-by-side so that a direction in which exhaust gas flows in the heat recovery steam generator is parallel to a turbine axis direction of the gas turbine unit.

US Pat. No. 10,337,402

SYSTEMS AND METHODS FOR A MOBILE POWER PLANT WITH IMPROVED MOBILITY AND REDUCED TRAILER COUNT

General Electric Company,...

1. An interconnecting trailer system for connecting a plurality of trailers, comprising:a first trailer configured to be towed by a motorized vehicle, wherein the first trailer comprises:
one or more first wheels;
a turbine enclosure configured to at least partially surround a turbine; and
an exhaust section configured to mount above the turbine enclosure, wherein the first trailer is configured to removably couple with a second trailer having a generator.

US Pat. No. 10,337,401

TURBINE ENGINE WITH A TURBO-COMPRESSOR

United Technologies Corpo...

1. A turbine engine, comprising:a turbo-compressor including a compressor section and a turbine section, the turbo-compressor including a rotor that comprises a rotor disk, a plurality of compressor blades and a plurality of turbine blades positioned radially outboard of the compressor blades, each of the compressor blades connecting a respective one of the turbine blades to the rotor disk;
a combustor section including a combustor and a plenum adjacent the combustor;
a second compressor section fluidly coupled between the compressor section and the combustor section, the second compressor section fluidly downstream of the compressor blades;
a flow path extending through the compressor section, the second compressor section, the combustor section and the turbine section; and
a recuperator configured within the flow path between the combustor section and the turbine section, wherein an inlet duct to the recuperator is fluidly coupled with the flow path upstream of the plenum and configured to direct a portion of compressed air flowing through the flow path to the recuperator, and an outlet duct from the recuperator is fluidly coupled with the plenum.

US Pat. No. 10,337,400

VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE AND LEARNING METHOD THEREFOR

NISSAN MOTOR CO., LTD., ...

1. A learning method for a variable compression ratio internal combustion engine having a variable compression ratio mechanism capable of changing an engine compression ratio in accordance with a rotational position of a control shaft, a drive motor for changing and holding the rotational position of the control shaft, a first stopper provided outside of an engine body for mechanically restricting a position of maximum rotation of the control shaft in a first rotational direction by bringing a first movable part, which operates in conjunction with the control shaft, into abutted-engagement with the first stopper, and a second stopper provided inside of the engine body for mechanically restricting a position of maximum rotation of the control shaft in a second rotational direction opposite to the first rotational direction by bringing a second movable part, which operates in conjunction with the control shaft, into abutted-engagement with the second stopper, comprising:learning a reference position of the control shaft in a state where the position of maximum rotation of the control shaft in the first rotational direction has been mechanically restricted by the first stopper; and
learning a maximum conversion angle range of the control shaft in a state where the position of maximum rotation of the control shaft in the second rotational direction has been mechanically restricted by the second stopper, after the reference position of the control shaft has been learned.

US Pat. No. 10,337,399

PORTABLE GENERATORS

Kohler Co.

1. A modular portable generator frame system, the system comprising:an open space frame including a top, opposing bottom, a plurality of horizontally extending top lateral elements perimetrically circumscribing the top of the frame, a plurality of horizontally extending bottom lateral elements perimetrically circumscribing the bottom of the frame, and vertically extending corner elements each being coupled between a pair of the top and bottom lateral elements;
an open interior space defined by the frame;
a plurality of corner members each comprising a central body and plurality of elongated radially extending mounting tangs extending outwards from the central body and having a first set of locking features;
each corner member arranged at an intersection of either a pair of the top lateral elements or a pair of the bottom lateral elements;
a plurality of connector plates each comprising a second set of locking features complementary configured with the first set of locking features to form an interlocked keyed fit;
wherein each of the top and bottom lateral elements and vertically extending corner elements are formed by an interlocked assembly of a pair of the plurality of the connector plates which lockingly receive therebetween one of the mounting tangs from each of two opposing corner members;
wherein each mounting tang includes a mounting hole concentrically aligned with a mating mounting hole in each connector plate of the assembly which receives a removable fastener therethrough which secures the assembly together.

US Pat. No. 10,337,398

BLOWBY GAS TREATMENT DEVICE FOR INTERNAL COMBUSTION ENGINE WITH SUPERCHARGER

MAHLE FILTER SYSTEMS JAPA...

1. A blowby gas treatment device for an internal combustion engine with a supercharger, the internal combustion engine provided with a supercharger in an upstream side of a throttle valve in an intake passage,the blowby gas treatment device comprising:
a fresh air introduction passage, wherein one end of the fresh air introduction passage is connected to an upstream side of the supercharger and another end of the fresh air introduction passage is communicated with a crankcase of the internal combustion engine;
a first blowby gas passage, wherein one end of the first blowby gas passage is connected to a venturi part provided in the upstream side of the supercharger in the intake passage and another end of the first blowby gas passage is communicated with the crankcase;
a first check valve being interposed in the fresh air introduction passage and structured to prevent a flow from a crankcase side to an intake passage side; and
a second check valve being interposed in the first blowby gas passage and structured to prevent a flow from the intake passage side to the crankcase side.

US Pat. No. 10,337,397

PRE-CHAMBER IGNITION SYSTEM

Ford Global Technologies,...

1. A method for operation of a pre-chamber ignition system in an engine, comprising:during a compression stroke, injecting a fuel into a pre-chamber from a pre-chamber fuel injector coupled to the pre-chamber to form an air fuel mixture, igniting the air fuel mixture in the pre-chamber via an ignition device coupled to the pre-chamber; and
during an intake stroke subsequent to the compression stroke, flowing purge air from a positive displacement pump into the pre-chamber through a purge passage traversing the engine;
where the pre-chamber is in fluid communication with a combustion chamber, where the positive displacement pump includes a plunger attached to a valve stem of a valve coupled to the combustion chamber, where the flow of purge air is generated by reciprocal motion of the plunger, and where the valve is an intake valve or an exhaust valve of the combustion chamber.

US Pat. No. 10,337,395

SYSTEM AND METHOD FOR OPERATING A PRESSURE-RELIEVING FLUID-METERING VALVE ASSEMBLY

Illinois Tool Works Inc.,...

8. A fluid metering assembly configured to be in fluid communication with a fluid passage of a fluid conduit, the fluid metering assembly comprising:a metering valve rotatably secured within an internal chamber;
wherein the metering valve is rotatable between an open position in which fluid flows through the fluid passage and a closed position in which the fluid is prevented from flowing through the fluid passage, and wherein the metering valve is also rotatable into a pressure relief position beyond the closed position that is configured to allow a reduced portion of the fluid to flow through the fluid passage, the pressure relief position being rotatably past the closed position and opposite from a direction towards the open position.

US Pat. No. 10,337,394

BLOWER FOR VEHICLE

DENSO CORPORATION, Kariy...

1. A blower for a vehicle comprising:a blower fan that supplies air to a heat exchanger, the heat exchanger having a core that performs a heat exchange between a heat medium and the air;
a half shroud that covers a part of the core and defines an air passage extending from the heat exchanger to the blower fan;
a leg that fixes the half shroud to the heat exchanger, the leg being arranged in a non-overlapping portion in which the half shroud and the core are located not to overlap with each other; and
a blocking plate attached to the leg in the non-overlapping portion, the blocking plate preventing the air, which is blown by the blower fan, from flowing through the non-overlapping portion into an upstream area of the blower fan, wherein
the leg has a lattice shape defining openings therein,
the blocking plate is attached to the leg on a downstream portion of the leg in the flow direction of the air through the fan and closes the openings of the leg
the half shroud includes a tubular portion having an annular shape and surrounding an outer periphery of the blower fan, and
the blocking plate is connected to the tubular portion and has a plate shape extending along a direction substantially perpendicular to the flow direction of the air through the fan.

US Pat. No. 10,337,393

DIRT TRAP AS A FUNCTIONAL MODULE IN THE IMPELLER OF A COOLANT PUMP

1. A coolant pump of an internal combustion engine, comprising:a pump casing,
a pump shaft rotatably supported in the pump casing by a water pump bearing assembly, and
an impeller connected in a rotationally fixed manner to the pump shaft, the impeller is associated with an intake space,
wherein a rotation of the impeller, together with associated blades, pumps a coolant as a working medium in a fluid or volume flow from the intake space, via a coolant outlet of the coolant pump, into a cooling system of the internal combustion engine,
wherein a functional module is attached to the impeller on a side of the impeller facing away from the intake space, the functional module including an enclosed space defined by a wall of the impeller blade and a connected portion of the functional module attached to the impeller blade wall, wherein the working medium flows into the enclosed space of the functional module from the intake space via at least one opening in the impeller blade wall and exits the enclosed space via a flow outlet formed in the connected portion.

US Pat. No. 10,337,392

MULTICYLINDER ENGINE COOLING APPARATUS

SUBARU CORPORATION, Toky...

1. A multicylinder engine cooling apparatus configured to cool an engine by flowing cooling water through the engine, the engine comprising a cylinder head to which a plurality of pairs of intake pipes and exhaust pipes are coupled based on a layout of a plurality of cylinders, the multicylinder engine cooling apparatus comprising:an exhaust side cooling passage individually formed to extend in an exhaust side of the cylinder head in which the plurality of exhaust pipes are disposed;
an intake side cooling passage individually formed to extend in an intake side of the cylinder head in which the plurality of intake pipes are disposed;
a first downstream cooling water passage through which the cooling water having passed through the exhaust side cooling passage flows without passing through the intake side cooling passage;
a second downstream cooling water passage that allows the cooling water having passed through the exhaust side cooling passage and then the intake side cooling passage to flow to the first downstream cooling water passage at a point between ends of the first downstream cooling water passage; and
a switching valve configured to switch a flow passage of the cooling water discharged from the exhaust side cooling passage between the intake side cooling passage and the first downstream cooling water passage.

US Pat. No. 10,337,391

DEVICE FOR COOLING AND HEATING UREA SOLUTION FOR CONSTRUCTION MACHINE, AND CONTROL METHOD THEREFOR

Volvo Construction Equipm...

1. A device for cooling and heating a urea solution for a construction machine, the device comprising:an engine including a cooling fan, a coolant pump, and a main cooler;
a urea solution tank storing the urea solution and provided with an embedded heat exchange pipe through which first coolant or second coolant circulates;
an additional coolant tank storing the second coolant for cooling the urea solution stored in the urea solution tank;
a water pump supplying the second coolant from the additional coolant tank to the heat exchange pipe;
a valve configured to be opened or closed in order to supply the first coolant by driving of the coolant pump and the second coolant of the additional coolant tank by driving of the water pump to the heat exchange pipe of the urea solution tank through a supply line, and in order to move the first coolant and the second coolant, which are heat-exchanged at the heat exchange pips of the urea solution tank, to the coolant pump and to the additional coolant tank, respectively; and
a controller outputting drive: signals to a driver of the water pump in order to supply the second coolant of the additional coolant, tank by the water pump through the valve and the supply line when a temperature of the urea solution in the urea solution tank exceeds a set temperature and to a driver of the coolant pump in order to supply the first coolant by the coolant pump to the heat exchange pipe of the urea solution tank through the valve and the supply line when the temperature of the urea solution in the urea solution tank is equal to or lower than the set temperature, and opening or closing the valve.

US Pat. No. 10,337,390

SYSTEM AND METHOD FOR CHARGING PLUG-IN HYBRID VEHICLE

Hyundai Motor Company, S...

1. A system for charging a plug-in hybrid vehicle, the system comprising:a cooler configured to cool an on-board charger by circulating coolant therethrough, the on-board charger charging a battery of the vehicle, wherein the cooler comprises a radiator fan configured to adjust a temperature of a cooling medium that circulates to cool the on-board charger; and
a controller having a reference voltage range previously stored therein,
wherein the controller receives information of a voltage of the battery,
wherein when the voltage of the battery is within the reference voltage range, the controller decreases a frequency of operation of the cooler that consequently decreases an intensity of the cooler, and when the voltage of the battery is out of the reference voltage range, the controller increases the frequency of operation of the cooler that consequently increases the intensity of the cooler,
wherein when the voltage of the battery is lower than the reference voltage range, the controller controls the radiator fan to operate when a temperature of the on-board charger has reached an operating temperature range that is previously stored, and
wherein when the voltage of the battery is within the reference voltage range, the controller controls the radiator fan to operate when the temperature of the on-board charger has reached a corrected temperature range that is previously set as higher than the operating temperature range.

US Pat. No. 10,337,389

CONTROL MEANS FOR CONTROLLING THE COOLANT FLOWS OF A SPLIT COOLING SYSTEM

Ford Global Technologies,...

1. A method, comprising:rotating a rotating body of a control valve of a split cooling system to a position based on conditions to selectively direct coolant flow from an upper side of a cylinder head and from a crankcase to each of a main coolant circuit, a secondary coolant circuit, and an external bypass, and where coolant from the upper side of the cylinder head mixes with coolant from the crankcase and flows to a cooler arrangement without flowing to a heating arrangement for heating a vehicle interior in response to an engine temperature being greater than or equal to a desired engine operating temperature in one of a plurality of control positions.

US Pat. No. 10,337,388

CORROSION RESISTANT METAL SUBSTRATE

1. A corrosion resistant metal substrate comprisinga plated substrate comprising a steel or aluminium substrate and a plating layer selected from:
i. a nickel or nickel-based layer on the steel or aluminium substrate, or
ii. a nickel or nickel-based layer on the steel or aluminium substrate having a cobalt layer on the nickel or nickel-based layer, and
a diffusion layer directly on the plating layer;
the diffusion layer being produced by electrodepositing a molybdenum oxide layer from an aqueous solution onto the plated substrate, wherein the plated substrate acts as a cathode, wherein the aqueous solution comprises a molybdenum salt and an alkali metal phosphate and wherein the pH of the aqueous solution is adjusted to between 4.0 and 6.5, wherein the plated substrate provided with the molybdenum oxide layer is subjected to an annealing step in a reducing atmosphere to, at least partly, reduce the molybdenum oxide in the molybdenum oxide layer to molybdenum metal in a reduction annealing step and to form, simultaneously or subsequently, in the annealing step the diffusion layer which contains nickel and molybdenum, wherein the nickel originates from the nickel or nickel-based layer, and the molybdenum originates from the molybdenum oxide layer,
wherein if the cobalt layer is on the nickel or nickel-based layer then the diffusion layer further contains cobalt that originates from the cobalt layer,
wherein the diffusion layer has a thickness of between 10 and 200 nm, and
wherein the diffusion layer further comprises 5 to 15 wt. % phosphorus that originates from the alkali metal phosphate.

US Pat. No. 10,337,387

APPLIED-IGNITION, LIQUID-COOLED INTERNAL COMBUSTION ENGINE WITH COOLED CYLINDER HEAD

Ford Global Technologies,...

6. A system, comprising:a cylinder head with integrated exhaust lines merging at a collection point forming an overall exhaust line;
an upper coolant jacket and a lower coolant jacket each integrated in the cylinder head; and
a protective heat shield positioned within the overall exhaust line and having a same cross sectional shape as the overall exhaust line, the protective heat shield including at least one tongue-like projection formed by at least one cut out in one or more directions of at least one individual exhaust line.

US Pat. No. 10,337,386

METHOD OF TESTING A PROPER FUNCTIONING OF A SELECTIVE CATALYTIC REDUCTION SYSTEM

GM GLOBAL TECHNOLOGY OPER...

1. A method of testing the functioning of a selective catalytic reduction system of an internal combustion engine having a catalyst disposed in an exhaust pipe of the engine, an injector disposed in the exhaust pipe upstream of the catalyst for injecting a reducing agent, a pump for providing the reducing agent from a tank to the injector via a supply conduit, a pressure sensor for measuring a pressure within the supply conduit, and an electronic control unit having processor stored executable instructions to perform the method which comprises:operating the engine at idle speed;
executing a functionality check of the pressure sensor while operating the engine at idle speed;
operating the engine to increase an exhaust gas temperature in the exhaust pipe upstream of the catalyst;
executing a functionality check of the pump;
executing a functionality check of the injector, after the functionality check of the pump and once the exhaust gas temperature has reached a predetermined target value thereof;
executing a functionality check of the supply conduit after the functionality check of the injector; and
executing a cleaning phase of the catalyst from the reducing agent stored in the catalyst of the selective catalytic reduction system closing the injector when the functionality checks of the pressure sensor, the pump, the injector and the supply conduit yield a positive result.

US Pat. No. 10,337,385

INJECTOR DEPOSIT DETECTION FOR SCR INJECTION SYSTEM

Perkins Engines Company L...

1. A method for monitoring a selective catalytic reduction (SCR) injection system for an internal combustion engine, the SCR injection system including a pump and a reductant injector, the method including:operating the pump;
measuring a first pressure drop value in the SCR injection system during a first actuation of the reductant injector;
measuring a second pressure drop value in the SCR injection system during a second actuation of the reductant injector, the second actuation occurring after the first actuation;
calculating a first deviation, the first deviation being a magnitude of the first pressure drop value minus the second pressure drop value;
comparing the first deviation to a first predetermined threshold; and
performing a deposit mitigation strategy for reducing deposits at an outlet of the reductant injector in response to the first deviation exceeding the first predetermined threshold.

US Pat. No. 10,337,384

SYSTEM AND METHOD FOR DETERMINING EXHAUST TEMPERATURE

Ford Global Technologies,...

1. A method for an engine coupled in a vehicle, comprising:inferring a composite transient exhaust temperature based on a duty cycle of an exhaust gas sensor heater and further based on vehicle conditions during transient vehicle operation, the vehicle conditions including engine load, vehicle speed, and exhaust flange temperature; and
adjusting engine operation based on the composite transient exhaust temperature.

US Pat. No. 10,337,383

SELECTIVE CATALYST REDUCTION EFFICIENCY DETERMINATION

GM Global Technology Oper...

1. A method of operating an internal combustion engine employing an after-treatment (AT) system with a selective catalytic reduction (SCR) catalyst configured to treat an exhaust gas generated by the engine, comprising:supplying an intake airflow to the engine via an intake passage to thereby operate the engine and generate the exhaust gas;
detecting, via a NOX sensor, an actual first concentration of nitrogen oxide (NOX) in the exhaust gas upstream of the SCR catalyst and communicating a signal indicative of the detected actual first concentration of the NOX to a controller configured to regulate the AT system;
treating, via the SCR catalyst, the exhaust gas to reduce concentration of the NOX therein and directing the treated exhaust gas to an exhaust gas passage;
recirculating, via an exhaust gas recirculation (EGR) passage, a portion of the treated exhaust gas from the exhaust gas passage to the intake passage;
detecting, via an intake airflow sensor, an amount of the intake airflow supplied to the engine when the portion of the treated exhaust gas is recirculated, and communicating to the controller a signal indicative of the detected amount of intake airflow;
determining, via the controller, a theoretical first NOX concentration in the exhaust gas between the engine and the SCR catalyst after recirculating the portion of the treated exhaust gas; and
determining, via the controller using a mathematical relationship, a theoretical second NOX concentration in the exhaust passage downstream of the SCR catalyst using the detected actual first NOX concentration, the determined theoretical first NOX concentration, and the detected amount of intake airflow;
determining via the controller, after recirculating the portion of the treated exhaust gas, a theoretical efficiency of the SCR catalyst using the detected actual first concentration of the NOX and the determined theoretical second NOX concentration;
maintaining, via the controller, operation of the AT system when the determined theoretical efficiency of the SCR catalyst is at or above a predetermined value; and
activating, via the controller, a sensory signal indicative of the SCR catalyst having malfunctioned when the determined theoretical efficiency of the SCR catalyst is below the predetermined value.

US Pat. No. 10,337,382

HEAT RECOVERY DEVICE AND EXHAUST LINE FITTED WITH SUCH DEVICE

1. A heat recovery device for an exhaust line, the heat recovery device comprising:a valve body having at least one exhaust gas inlet and at least one exhaust gas outlet, the valve body inwardly defining a direct flow path for exhaust gases from the exhaust gas inlet to the exhaust gas outlet;
a heat exchanger to exchange heat between the exhaust gases and a heat transfer fluid, the heat exchanger comprising a flow path for the exhaust gases and a flow path for the heat transfer fluid, the flow path for the exhaust gases having upstream and downstream ends respectively emerging through inlet and outlet surfaces of the valve body, respectively situated relatively closer to the exhaust gas inlet and relatively closer to the exhaust gas outlet along the direct flow path;
a shutter arranged in the valve body and movable relative to the valve body at least between a heat exchange position, in which the shutter closes off a cutoff section of the direct flow path and forces the exhaust gases to flow from the exhaust gas inlet to the exhaust gas outlet through the heat exchanger along the flow path, and a short-circuit position, in which the shutter frees said cutoff section of the direct flow path and closes off the outlet surface, the shutter forcing the exhaust gases to flow from the exhaust gas inlet to the exhaust gas outlet along the direct flow path, the cutoff section being situated between the inlet surface and the outlet surface along the direct flow path; and
wherein the heat recovery device comprises a guide wall arranged in the direct flow path in front of the inlet surface and arranged to guide the exhaust gases from the exhaust gas inlet toward the cutoff section away from the inlet surface when the shutter is in the short-circuit position, and defining at least one opening to allow the exhaust gases to flow to the inlet when the shutter is in the heat exchange position.

US Pat. No. 10,337,381

EXHAUST GAS AFTERTREATMENT DEVICE FOR AN INTERNAL COMBUSTION ENGINE

VOLVO CAR CORPORATION, G...

1. An exhaust gas aftertreatment device for an internal combustion engine, comprising:an exhaust duct allowing a through-flow of exhaust gas;
a catalytic NOx converter arranged in the exhaust duct;
a fluid inlet arranged to introduce a liquid reductant into or onto a structure in the exhaust duct upstream of the catalytic NOx converter;
wherein the structure is a sorption structure having pores configured to retain the liquid reductant in liquid form until it evaporates,
wherein the sorption structure comprises a macro-porous structure having pores with a diameter or a width of between 50 nm and 100 ?m, and
wherein the macro-porous structure has a pore opening surface density of at least 10 pore openings per mm2.

US Pat. No. 10,337,378

BLOCK CHANNEL GEOMETRIES AND ARRANGEMENTS OF THERMAL OXIDIZERS

1. A method of manufacturing a converter from a block of converter material, the method comprising:defining a plurality of channels within the block, the plurality of channels to extend therethrough, the plurality of channels to define a cellular pattern including at least one central channel and a plurality of surrounding channels, each central channel surrounded by five or more surrounding channels, wherein a quotient of a hydraulic diameter of all of the central channels divided by respective interior wall thicknesses between the central channels and the respective surrounding channels is to be equal to a value in a range from 0.58 to 19.48.

US Pat. No. 10,337,377

METHODS FOR CONTROLLING AND MONITORING OXIDATION CATALYST DEVICES

GM GLOBAL TECHNOLOGY OPER...

1. A method for diagnosing an exhaust gas treatment system, wherein the system comprises an oxidation catalyst device (OC) including a first metal and/or metal oxide catalytic composition (CC) disposed in a housing having an inlet and an outlet and capable of receiving exhaust gas and oxidizing combustable hydrocarbons (HC) and/or nitrogen oxide (NOx) species, a selective catalytic reduction device (SCR) disposed downstream from and in fluid communication with the OC and including a second base metal or base metal oxide catalytic composition disposed in a shell having an inlet and an outlet and configured to store NOx species and reduce NOx species in the presence of a reductant, an upstream NOx sensor disposed upstream from the SCR, and a downstream NOx sensor disposed downstream from the SCR, the method comprising:providing exhaust gas to the OC and subsequently the SCR;
measuring an upstream exhaust gas NOx concentration using the upstream NOx sensor;
measuring a downstream exhaust gas NOx concentration using the downstream NOx sensor;
determining a NOx differential by subtracting the downstream exhaust gas NOx concentration from the upstream exhaust gas NOx concentration; and
comparing the NOx differential to a differential threshold to determine OC performance, wherein a NOx differential above the differential threshold indicates suitable OC NOx oxidation performance;wherein the SCR reductant loading is below about 1% and/or the SCR is below a NOx light-off temperature while exhaust gas is provided to the OC.

US Pat. No. 10,337,375

SUCTION TUBE FOR A UREA SENSOR

WEMA System AS, Blomster...

11. A urea sensor for installation in a urea tank, comprising:a suction tube used to draw a urea solution from the urea tank, the suction tube including a suction pipe having a suction opening and a hole extending through a wall of the suction pipe and a cover disposed on an outside of the suction pipe and covering the hole, and when there is an under-pressure in the suction pipe compared to the urea tank, the cover abuts the suction pipe and seals the hole, and when there is an overpressure in the suction pipe compared to the urea tank, the cover deforms and allows an excess urea solution to escape through the hole and flow back into the urea tank.

US Pat. No. 10,337,374

METHODS AND SYSTEMS FOR AN AFTERTREATMENT CATALYST

Ford Global Technologies,...

1. A method comprising:flowing lean exhaust gas from a first group of cylinders directly to a three-way catalyst;
flowing rich exhaust gas from a second group of cylinders directly to a steam reforming catalyst; and
flowing exhaust gas from the steam reforming catalyst to the three-way catalyst.

US Pat. No. 10,337,373

EXHAUST PURIFICATION DEVICE

YANMAR CO., LTD., Osaka ...

1. An exhaust purifier comprising:a catalyst reactor configured to receive an exhaust gas from an engine, the catalyst reactor comprising:
a NOx catalyst arranged to enable removal of dust adhered to the NOx catalyst; and
a control device coupled to the catalyst reactor and configured to:
identify an initial pressure difference, at an initial state, between the exhaust gas upstream of the NOx catalyst and the exhaust gas downstream of the NOx catalyst;
identify an operating pressure difference, at an operating state, between the exhaust gas upstream of the NOx catalyst and the exhaust gas downstream of the NOx catalyst;
calculate a permissible pressure difference amount;
detect abnormal degradation of the NOx catalyst based on a difference between the operating pressure difference and the initial pressure difference being greater than or equal to the permissible pressure difference amount; and
provide an output signal based on the detected abnormal degradation.

US Pat. No. 10,337,372

EXHAUST GAS PURIFICATION CATALYST DEVICE, EXHAUST GAS PURIFICATION SYSTEM, AND METHOD FOR DETECTING DETERIORATION OF EXHAUST GAS PURIFICATION CATALYST DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. An exhaust gas purification catalyst device comprising a substrate, a first catalyst layer comprising Pd and formed on a surface of the substrate, and a second catalyst layer formed on a surface of the first catalyst layer,wherein a catalyst metal in the first catalyst layer consists of Pd,
wherein a catalyst metal in the second catalyst layer consists of Pd and Rh,
wherein, in the second catalyst layer, ceria, Pd, and Rh are contained in a mixed state in the same layer,
wherein, in the first and second catalyst layers, the total mass of ceria having a fluorite-type structure per 1 L volume of the substrate is 16.0 g or less, and
wherein, in the second catalyst layer, the mass of Pd per 1 L volume of the substrate is 0.32 g or more.

US Pat. No. 10,337,371

METHOD AND A SYSTEM FOR EVALUATING AN EFFECTIVE COMPONENT CONTENT OF A REDUCING AGENT

SCANIA CV AB, (SE)

8. A system for evaluating an effective component content (C) of a reducing agent for engine exhaust gas processing, wherein said reducing agent is arranged in a container in which a heat transfer provision arrangement is provided, the system comprising:a volume measuring device configured to determine a prevailing volume (V) of said reducing agent in said container;
a first temperature sensor configured to determine a prevailing temperature of said reducing agent;
a second temperature sensor configured to determine a prevailing temperature of said heat transfer provision arrangement; and
a third temperature sensor configured to determine a prevailing temperature of a medium surrounding said container;
a data processor unit configured to determine a mean temperature change rate for said reducing agent regarding a predetermined time period;
the data processor unit configured to determine whether said reducing agent comprises said effective component content on a basis of said mean temperature change rate, said prevailing volume of said reducing agent, said prevailing temperature of said reducing agent, said prevailing temperature of said heat transfer provision arrangement and said prevailing temperature of said medium surrounding said container; and
the data processor unit configured to provide an output signal indicating an unexpected effective component content according to the determining of the effective component content of the reducing agent.

US Pat. No. 10,337,370

WATER SEPARATION DEVICE FOR ENGINE EXHAUST GAS

Tenneco Automotive Operat...

1. A system comprising:an engine;
an exhaust conduit in communication with the engine; and
a water separation device having exhaust gas passageways in communication with the exhaust conduit;
the water separation device having a substrate and a membrane on the substrate, the substrate being monolithic and extending around the exhaust gas passageways, and the membrane being between the exhaust gas passageways and the substrate and having capillary condensation pores extending from the exhaust gas passageways to the substrate;
wherein the substrate includes an outer wall surrounding the exhaust gas passageways, and the water separation device includes a casing surrounding the outer wall and defining a water collection space between the casing and the outer wall, the water collection space being separated from the exhaust gas passageways by the substrate.

US Pat. No. 10,337,369

ENGINE EXHAUST GAS ADDITIVE STORAGE TANK

Plastic Omnium Advanced I...

1. A tank for storing an internal combustion engine exhaust gas liquid additive, the tank comprising:a wall defining an internal volume;
an electrical component located in the internal volume, the electrical component includes a flexible heater;
a base plate mounted on an opening in a wall of the tank, the base plate incorporating a casing and including an orifice around which the casing is mounted in a leaktight manner, the casing comprising:
an intermediate part including a passage and a clip on an outer surface of the intermediate part, the clip configured to engage a channel on an outer surface of the casing to form a quick-connect coupling by which the intermediate part is secured inside the casing;
an electrical connector;
at least a seal; and
at least one electric cable configured to connect the electrical component to a voltage source outside the tank, at least one part of the electric cable being inserted into the passage of the intermediate part, the at least one electric cable being connected to the electrical connector in a leaktight manner with aid of the at least a seal, the electrical connector emerging from the orifice in the base plate to outside of the tank, wherein the seal is inserted between the intermediate part and the connector.

US Pat. No. 10,337,368

ENGINE DEVICE

Yanmar Co., Ltd., Osaka ...

1. An engine device having a blow-by gas returning mechanism configured to return a blow-by gas having leaked from a combustion chamber to an intake pipe configured to enable intake air to flow there through, the engine device comprising:a returning hose configured to receive the blow-by gas from the combustion chamber; and
a blow-by gas mixed joint configured to introduce the blow-by gas from the returning hose to the intake pipe, the blow-by gas mixed joint comprises:
an intake passage disposed on the intake pipe;
a blow-by gas inlet configured to introduce the blow-by gas into the intake pipe; and
a blow-by gas guide plate that defines an introduction space expanding upstream and downstream of the blow-by gas inlet in an intake direction of the intake passage; and
wherein:
the blow-by gas guide plate comprises:
a first portion having a first surface that intersects with an inner wall of the blow-by gas mixed joint, the first portion positioned in a region upstream of the blow-by gas inlet and is coupled to the inner wall to close an upstream end of a first portion of the introduction space upstream of the blow-by gas inlet; and
a second portion having a second surface that comprises a downstream end positioned downstream of the blow-by gas inlet in the intake passage and an upstream end that intersects the first portion, wherein a first intersection of the second portion and the inner wall is parallel with a second intersection of the second portion and the inner wall; and
the blow-by gas guide plate is configured to guide the blow-by gas introduced from the blow-by gas inlet in the intake direction toward an opening of the introduction space associated with the downstream end of the second portion.

US Pat. No. 10,337,367

FOUR-STROKE ENGINE LUBRICATION SYSTEM

CHONGQING RATO TECHNOLOGY...

1. A four-stroke engine lubrication system, comprising:an engine body in which a crank shaft chamber and an air valve distribution chamber are arranged;
a cylinder head cover fixed onto the engine body and communicated with the atmosphere; and
an oil storage tank which is configured to store lubricating oil, arranged on the engine body, located at one side of a cam, and provided with an oil mist generation device therein; wherein
the oil mist generation device comprises a rotating shaft, an oil stirring plate and a reducing sleeve; the rotating shaft is rotatably arranged on the reducing sleeve; the oil stirring plate is fixed onto the rotating shaft; each of the oil stirring plate and the rotating shaft is provided with an oil outlet passage; the oil outlet passage of the oil stirring plate is communicated with that of the rotating shaft; and the oil outlet passage of the rotating shaft is connected with the oil outlet pipe via the reducing sleeve, an oil outlet passage of the oil mist generation device communicates the oil storage tank with the crank shaft chamber via an oil outlet pipe, the crank shaft chamber is communicated with the air valve distribution chamber via a check valve, the air valve distribution chamber is communicated with the oil storage tank, the air valve distribution chamber is communicated with the cylinder head cover, and the cylinder head cover is communicated with the oil storage tank.

US Pat. No. 10,337,366

INTERNAL COMBUSTION ENGINE AND METHOD OF ASSEMBLING THEREOF

TOYOTA JIDOSHA KABUSHIKI ...

1. An internal combustion engine comprising:a head cover covering a cylinder head; and
a variable valve actuation mechanism,
wherein the variable valve actuation mechanism comprises:
a cam placed inside the head cover and rotating with a camshaft extending in a rotation axis direction; and
an intermediate arm placed inside the head cover and sandwiched between the cam and a rocker arm,
wherein a pair of side through-holes, which are provided for a support rod supporting the intermediate arm to pass through, are formed in side portions of the head cover so as to face each other along the rotation axis direction.

US Pat. No. 10,337,365

CONTROL SHAFT FOR INLET VALVE SHUT-OFF

Bayerische Motoren Werke ...

1. A control shaft of a camshaft adjusting unit for an internal combustion engine, comprising:adjusting cams which are spaced apart axially and are configured in a first axial section of the control shaft for continuous cylinder operation and in a second axial section for a cylinder shut-off, wherein
the adjusting cams have a radial extent which is greater than a zero lift extent over their entire circumference of the cam circle for permanent cylinder operation,
the adjusting cams have a shut-off section of the cam circle with a radial extent which is smaller than or equal to the zero lift extent in the circumferential direction for the cylinder shut-off, and
the control shaft has a stop which limits rotation in both circumferential directions and serves as a calibration point for an engine electronics system.

US Pat. No. 10,337,364

ONE-WAY CLUTCH TYPE VARIABLE VALVE TIMING DEVICE AND ENGINE SYSTEM HAVING THE SAME

Hyundai Motor Company, S...

1. A variable valve timing device comprising:a rotor device including a rotor rotatable in clockwise or counterclockwise direction with a supply of oil thereto, and a one-way clutch coupled to the rotor to limit an amount of rotation of the rotor,
wherein the one-way clutch includes a carrier surrounding an external peripheral surface of the rotor to form first and second chambers filled with the oil while a position of the carrier is controlled, a ball disposed in a ball slot of the carrier to come into contact with the external peripheral surface of the rotor, a stopper carrier protruding from the carrier to limit the amount of rotation of the rotor, and an elastic member supported by a vane fixed on the external peripheral surface of the rotor.

US Pat. No. 10,337,363

VALVE OPENING AND CLOSING TIMING CONTROL APPARATUS

AISIN SEIKI KABUSHIKI KAI...

1. A valve opening and closing timing control apparatus comprising:a driving-side rotating body rotating synchronously with a crankshaft of an internal combustion engine;
a driven-side rotating body arranged coaxially with an axis of the driving-side rotating body and rotating integrally with a camshaft for opening and closing valves of the internal combustion engine in a state being fixed to the camshaft by a bolt;
a fluid pressure chamber defined between the driving-side rotating body and the driven-side rotating body;
an intermediate lock mechanism selectively switchable between a locked state in which a relative rotational phase of the driven-side rotating body relative to the driving-side rotating body is locked at an intermediate lock phase between a most advanced angle phase and a most retarded angle phase and an unlocked state in which the locked state is released;
a lock flow passage bringing a working fluid to the intermediate lock mechanism; and
an electromagnetic valve including a spool which is arranged at an inner portion of the bolt and controlling supply and discharge of the working fluid relative to the fluid pressure chamber and the intermediate lock mechanism,
the lock flow passage including a first flow passage which is arranged between the spool and a supply flow passage in a radial direction and which brings the working fluid to flow from the supply flow passage towards the spool, the supply flow passage bringing the working fluid supplied from a pump to flow along an axial direction at the inner portion of the bolt, the lock flow passage including a second flow passage which is provided at the inner portion of the bolt in a penetrating manner in the radial direction and which brings the working fluid to flow from the spool towards the intermediate lock mechanism,
at least a portion of the first flow passage and at least a portion of the second flow passage being positioned within a same plane orthogonal to the axis, wherein
the bolt is constituted by a first member screwed on the camshaft and a second member arranged along an outer surface of the first member,
the supply flow passage is defined between the first member and the second member, the first flow passage is defined at the first member,
the second member is press-fitted to the first member along the axial direction,
an end portion of the second member at an opposite side from the camshaft in the axial direction is press-fitted to the first member,
a flow passage which supplies and discharges the working fluid to and from the fluid pressure chamber is arranged between the first and second flow passages and the camshaft in the axial direction, and
only the end portion of the second member at the opposite side from the camshaft in the axial direction relative to the flow passage which supplies and discharges the working fluid to and from the fluid pressure chamber is press-fitted to the first member.

US Pat. No. 10,337,362

METHOD AND SYSTEM FOR VARIABLE CAMSHAFT TIMING CONTROL

Ford Global Technologies,...

1. A method comprising:adjusting a camshaft phaser with a camshaft duty cycle determined based on a sampled camshaft position; and
adjusting the camshaft phaser with an estimated camshaft position determined based on the camshaft duty cycle between sampling the camshaft position,
wherein the estimated camshaft position is determined by adding the sampled camshaft position with an estimated change in the camshaft position.

US Pat. No. 10,337,361

METHOD AND SYSTEM FOR VARIABLE CAM TIMING DEVICE

Ford Global Technologies,...

1. A method, comprising:moving a spool valve of a cam torque-actuated variable cam timing phaser to a detent region after occurrence of a first torsional pulse of a camshaft but before occurrence of a second torsional pulse of the camshaft occurring immediately after the first torsional pulse;
moving the spool valve to adjust the cam torque actuated variable cam timing phaser to a locking position;
holding the phaser at the locking position without engaging a locking pin for a duration; and
after the duration, further moving the spool valve to engage the locking pin.

US Pat. No. 10,337,360

METHOD FOR SETTING LASH IN A MECHANICALLY LASHED VALVETRAIN HAVING A SWITCHING ROCKER ARM

Eaton Corporation, Cleve...

1. A method for setting lash on a switching rocker arm assembly, the method comprising:providing a rocker arm having (i) an outer arm having a first outer side arm and a second outer side arm, the outer arm defining an opening, (ii) an inner arm disposed between the first and second outer side arms, (iii) a roller follower that selectively engages a cam, the roller follower mounted about a bearing axle that extends through the opening; and (iv) a pivot axle wherein the inner arm and outer arm rotate relative to each other about the pivot axle;
inserting a zero lash shim into a gap defined between the bearing axle and the outer arm at the opening;
installing the rocker arm into valvetrain with a master valve tip cap;
measuring lash between the cam and the roller follower;
removing the rocker arm and the master tip cap; and
installing a select fit valve tip cap based on the master valve tip cap and the measured lash.

US Pat. No. 10,337,359

ROCKER ARM SPRING RETAINER

Eaton Intelligent Power L...

1. A retainer, comprising:an inner tubular portion comprising an inner circular edge having a radius R3; and
an annular retaining surface connected to the inner tubular portion, the annular retaining surface comprising an area bounded by an outer edge and the inner circular edge, the outer edge being bounded by:
an arc AD comprising a first radius R1;
a sector CB comprising a second radius R2, where R1>R2;
a first chord DC connecting the arc AD to the sector CB; and
a second chord BA connecting the arc AD to the sector CB.

US Pat. No. 10,337,358

VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

HITACHI AUTOMOTIVE SYSTEM...

1. A valve timing control apparatus for an internal combustion engine, the valve timing control apparatus comprising:a drive rotation member including a cylindrical wall to which a rotational force from a crank shaft is transmitted through teeth portions of an outer circumference, and which includes an opening opened on an one axial end side, and a bottom wall which is integrally provided on the other axial end side of the cylindrical wall, and which includes a through hole formed at a center;
a housing which has a cylindrical shape, which is received within the drive rotation member, which includes one end opening closed by the bottom wall, and a plurality of shoes protruding from an inner circumference surface, and which includes a plurality of hydraulic chambers formed by the plurality of shoes;
a vane rotor which is received within the housing to be rotated relative to the housing, which includes a rotor portion fixed at one end portion of a cam shaft, and vanes provided from an outer circumference surface of the rotor portion in radial directions, and which separates the hydraulic chambers into a retard angle hydraulic chamber and an advance angle hydraulic chamber, with the shoes; and
a front plate which closes the other end opening of the housing, and which is connected to the housing and the drive rotation member from an axial direction,
the drive rotation member including a positioning mechanism including a guide portion which is formed on an inner circumference surface of the cylindrical wall, and which has an inclined shape whose an inside diameter is decreased from the one axial end side to the other axial end side, a mounting protrusion portion which is formed on the other end side of the guide portion, and on which an outer circumference surface of the housing is mounted to be positioned.

US Pat. No. 10,337,357

STEAM TURBINE PREHEATING SYSTEM WITH A STEAM GENERATOR

General Electric Company,...

1. A power generation system, comprising:a gas turbine engine;
a steam turbine; and
a steam turbine preheating system;
wherein the steam turbine preheating system comprises a steam generator that creates a flow of steam to preheat the steam turbine from an extraction of the gas turbine engine.

US Pat. No. 10,337,356

STEAM POWER INSTALLATION COMPRISING VALVE-STEM LEAKAGE STEAM LINE

SIEMENS AKTIENGESELLSCHAF...

1. A steam power plant comprisinga steam turbine,
a steam line that is fluidically connected to the steam turbine and is designed to convey steam,
a valve that is arranged in the steam line and is designed to change a quantity of steam flowing through the steam line, the valve comprising a first outlet to which the steam line connects, and a second outlet configured to convey valve-stem leakage steam that leaks past a valve stem of the valve,
a valve-stem leakage steam line connected to the second outlet, and
a valve-stem leakage steam collector that is fluidically connected to the valve-stem leakage steam line, and
a fitting that is arranged in the valve-stem leakage steam line,
wherein the valve-stem leakage steam collector is designed as a condenser,
wherein the valve-stem leakage steam is conveyed via the valve-stem leakage steam line directly from the second outlet to the condenser, and
wherein the fitting is configured to open whenever a pressure of valve-stem leakage steam in the valve-stem leakage steam line upstream of the fitting is above a pressure in the condenser, thereby passing all of the valve-stem leakage steam into the condenser.

US Pat. No. 10,337,355

ALIGNMENT OF A BEARING COMPARTMENT AND AN ENGINE CASE

United Technologies Corpo...

1. A system for aligning a bearing compartment structure relative to an engine case structure, the system comprising:an optical transmitter that is coupled to the bearing compartment structure and transmits an optical transmit signal in response to a command signal;
an optical detector that is coupled to the engine case structure, detects the optical transmit signal and provides a detected signal indicative of position of the bearing compartment structure with respect to the engine case structure;
a controller that issues the command signal, receives the detected signal indicative of the position of the bearing compartment structure with respect to the engine case structure, and processes the detected signal to determine if a coaxial skew exists between the bearing compartment and the engine case structure, and issues at least one of a plurality of torque application command signals to position the bearing compartment and the engine case structure in coaxial alignment; and
a plurality of controllable rods, extending radially between the bearing compartment and the engine case structure, that each receives an associated one of the plurality of torque application signals.

US Pat. No. 10,337,354

DUAL ANTI SURGE AND ANTI ROTATION FEATURE ON FIRST VANE SUPPORT

United Technologies Corpo...

14. A gas turbine engine comprising:an engine static structure including a vane support having a tab;
a vane including a fork having a notch receiving the tab to circumferentially affix the vane to the engine static structure; and
a retainer secured to the tab and mounting a combustor housing to the vane in an axial direction, wherein the retainer and tab include holes, and a fastener extends through the holes to secure the retainer to the vane support.

US Pat. No. 10,337,353

CASING RING ASSEMBLY WITH FLOWPATH CONDUCTION CUT

General Electric Company,...

1. A casing assembly for a gas turbine engine having a centerline axis, the casing assembly comprising:a metallic inner ring defining an annular flowpath surface which surrounds an outer end of a row of rotatable compressor blades;
a metallic outer ring positioned in axial alignment with and radially outward of the metallic inner ring, the metallic outer ring including a forward ring having a forward flange and an aft ring having an aft flange, the forward and aft flanges abutting each other and being clamped together by a plurality of fasteners; and
a conduction cut disposed between the metallic inner ring and the metallic outer ring and in axial alignment with the metallic inner ring and the forward and aft flanges, and configured for a break or a step-change reduction in a thermal conductivity in a physical path for conduction heat transfer between the metallic inner ring and the metallic outer ring, and wherein the metallic inner ring includes a seal flange extending from an end thereof towards the metallic outer ring.

US Pat. No. 10,337,352

TURBINE ENGINE CASING AND MANUFACTURING METHOD

SAFRAN AIRCRAFT ENGINES, ...

1. A method for manufacturing a turbine engine casing, comprising the steps of:manufacturing a plurality of angular sectors to be assembled to form a ring, said sectors comprising assembling strips arranged at their angular ends via which the sectors can be assembled, said strips extending all along said angular ends with a radial outer face parallel to the axis of the ring, at least some of the sectors being manufactured by casting and comprising on their surface attaching elements obtained in the casting step, a profile of a height of the assembling strips having minima and maxima at the same places as a profile of a thickness of the angular ends of the angular sectors, the length of the assembling strip along the axis of the ring being greater than the length of the angular ends of the angular sectors along the axis of the ring,
machining the outer face of the assembling strips and
assembling the sectors end-to-end so as to form a ring of the casing, the sectors being assembled by welding of the strips.

US Pat. No. 10,337,351

PIPING SYSTEM, STEAM TURBINE PLANT, AND METHOD OF CLEANING PIPING SYSTEM

MITSUBISHI HITACHI POWER ...

1. A piping system of a steam turbine plant, comprising:a piping member including a first pipe section including a first passage, a second pipe section including a second passage, a connection section arranged between the first pipe section and the second pipe section and including a connection passage that is configured to connect the first passage and the second passage, and a third pipe section including a third passage connected with the connection passage through an opening, the first pipe section being supplied with steam;
a steam stop valve connected with the third pipe section and in which steam supplied to a steam turbine flows; and
a turbine bypass valve connected with the second pipe section and connected with an outlet of the steam turbine, wherein
an angle made by a first central axis of the first pipe section and a second central axis of the second pipe section is larger than an angle made by the first central axis and a third central axis of the third pipe section.

US Pat. No. 10,337,350

GAS TURBINE ENGINE

ROLLS-ROYCE PLC, London ...

1. A fan containment system for fitment around an array of radially extending fan blades mounted on a hub in an axial gas turbine engine, the fan containment system comprising:a fan case having an annular casing element that encircles the array of fan blades;
an annular fan track liner positioned substantially coaxial to the annular casing element and extending around the array of fan blades in the fan case, the annular fan track liner including: (i) a tray connecting the fan track liner to the fan case, (ii) a first intermediate layer fixed to a radially inner surface of the tray and positioned radially inward of the annular casing element, and (iii) a second intermediate layer fixed to a radially outer surface of the tray and positioned radially outward of the first intermediate layer and abutting the first intermediate layer via the tray, the second intermediate layer including one or more pockets recessed into the second intermediate layer; and
one or more resilient members configured to snub or damp vibration of the fan track liner, one of the one or more resilient members being positioned in each of the one or more pockets, the one or more resilient members being arranged to contact a radially inner side of the annular casing element.

US Pat. No. 10,337,349

ANTI-WINDMILLING SYSTEM FOR A GAS TURBINE ENGINE

UNITED TECHNOLOGIES CORPO...

1. A method for preventing rotation of a fan in a gas turbine engine comprising:driving a fan with a geared architecture that is driven by at least one shaft from a turbine section;
using one or more sensors to identify a non-operational engine condition comprising at least a windmilling condition;
including a control which receives data from the one or more sensors to determine if the aircraft is on the ground and is experiencing the windmilling condition by
determining weight on wheels,
determining if engine shut-down has been completed, and/or
determining aircraft velocity to identify if the gas turbine engine is stationary; and
activating an actuator positioned aft of the turbine section to prevent rotation of the fan during the windmilling condition.

US Pat. No. 10,337,348

SYSTEMS AND METHODS FOR CONTROLLING A POWER GENERATION SYSTEM

General Electric Company,...

1. A method of controlling a power generation system, the method comprising:sensing a rate of change of electrical frequency at terminals of a generator by inputting the electrical frequency to a low pass filter and determining a derivative of an output from the low pass filter;
determining, using a processor, based on the derivative, a reactive current and a magnitude of a voltage at the terminals of the generator;
identifying a transient grid event based on an increase in the reactive current and a decrease in the magnitude of the voltage at substantially the same time for a specified duration; and
facilitating an action to respond to the transient grid event based on the identification.

US Pat. No. 10,337,347

METHOD AND SYSTEMS FOR AN ENERGY RECOVERY AND ENERGY CONVERTING UNIT FOR AN ENGINE

GE Global Sourcing LLC, ...

1. A system for an engine, comprising:a first turbocharger including a first compressor driven by a first turbine, the first turbine disposed in an exhaust of the engine;
a fuel burner fluidly coupled to the exhaust upstream of the first turbine;
a generator coupled to one of the first turbine or an auxiliary, second turbine fluidly coupled to the exhaust downstream of the fuel burner;
one or more bypass valves configured to adjust a flow of air that bypasses the engine and is delivered to the fuel burner;
an engine bypass passage coupled between an intake of the engine and the exhaust, wherein the one or more bypass valves include a first bypass valve disposed in an intake of the engine, downstream in the intake from where the engine bypass passage couples to the intake, and a second bypass valve disposed in the exhaust, upstream in the exhaust from where the bypass passage couples to the exhaust, wherein the fuel burner is disposed within the bypass passage, and wherein the fuel burner is the only fuel burner coupled to the exhaust in the system; and
a controller with computer readable instructions stored on non- transitory memory that when executed when the engine is shut down, cause the controller to: adjust the one or more bypass valves to flow air from the intake of the engine to the fuel burner, operate the fuel burner to produce exhaust gas, and recover exhaust energy from the produced exhaust gas via the generator, in response to the engine being shut down and while the engine is shut down.

US Pat. No. 10,337,346

BLADE OUTER AIR SEAL WITH FLOW GUIDE MANIFOLD

UNITED TECHNOLOGIES CORPO...

1. A seal assembly comprising:a seal arc segment defining radially inner and outer sides, the radially outer side including radially-extending sidewalls and a radially inner surface joining the radially-extending sidewalls, the radially-extending sidewalls and the radially inner surface defining a pocket;
a manifold disposed at least partially in the pocket, the manifold subdividing the pocket such that there is a manifold chamber bounded by the manifold and the radially inner surface, the manifold including at least one inlet and a plurality of outlets;
a seal disposed between the radially-extending sidewalls and the manifold, wherein the seal is contiguous with the radially inner surface.

US Pat. No. 10,337,345

BUCKET MOUNTED MULTI-STAGE TURBINE INTERSTAGE SEAL AND METHOD OF ASSEMBLY

GENERAL ELECTRIC COMPANY,...

1. A sealing system for a multi-stage turbine, the sealing system comprising:an interstage seal disposed circumferentially about a turbine rotor wheel assembly of the multi-stage turbine and extending axially between a forward turbine stage and an aft turbine stage of the multi-stage turbine, wherein the interstage seal comprises:
a plurality of near flow path seal segments, wherein each of the plurality of near flow path seal segments comprises:
outer seal surfaces and inner support faces extending from at least one downstream region of the forward turbine stage to at least one upstream region of the aft turbine stage such that substantially all the centrifugal load from the interstage seal is transferred to a plurality of forward stage buckets and a plurality of aft stage buckets; and
at least two support webs coupling the outer seal surfaces and the inner support faces,
wherein each of the plurality of near flow path seal segments extends from an angel wing region of the plurality of forward stage buckets to an angel wing region of the plurality of aft stage buckets, the inner support faces extend from the angel wing region of the plurality of forward stage buckets to the angel wing region of the plurality of aft stage buckets, an aft portion of the interstage seal and the plurality of aft stage buckets comprise a plurality of cooperatively engaged retention features enabling at least one of radial and circumferential constraining of the interstage seal, the plurality of cooperatively engaged retention features comprise a plurality of recessed roundcuts that allow locking with a plurality of protruding tabs located on an aft portion of the interstage seal; and
a forward stage turbine rotor wheel of the forward turbine stage and an aft stage turbine rotor wheel of the aft turbine stage, wherein the forward stage turbine rotor wheel comprises a plurality of dovetail slots configured for operatively coupling the plurality of forward stage buckets and the aft stage turbine rotor wheel comprises a plurality of dovetail slots configured for operatively coupling the plurality of aft stage buckets.

US Pat. No. 10,337,344

TURBOMACHINE WITH AN INGESTION SHIELD AND USE OF THE TURBOMACHINE

Siemens Aktiengesellschaf...

1. A turbomachine comprising:a stator comprising at least one stator component, with a guide vane component as a first one of the stator component and a stator ring as a second one of the stator component;
a rotor comprising at least one rotor component;
at least one working fluid channel for channeling a working fluid for driving the rotor, wherein the working fluid channel is bordered by the guide vane component and the rotor component,
a cavity located downstream of the guide vane component and upstream of the rotor component in respect of the flow of the working fluid in the working fluid channel,
at least one heat shield located in the cavity separating the cavity into a first cavity and a second cavity for reducing the working fluid ingress into the second cavity for protecting the stator ring and/or the rotor component from an erosive attack of the working fluid,
wherein the heat shield comprises an annular ring section that is mechanically fixed to the stator and that is disposed in an annular channel located between the stator ring and the guide vane component, and
wherein the heat shield comprises a consumable material of a lower grade than a material of the stator or of the rotor.

US Pat. No. 10,337,343

TURBINE COMPONENT SURFACE COOLING SYSTEM WITH PASSIVE FLOW MODULATION

General Electric Company,...

1. A system comprising:a cooling network within a turbine component, the cooling network including at least one passageway fluidly connected with a surface of the turbine component;
a cooling fluid source for providing a cooling fluid to the cooling network; and
a temperature-actuated flow modulating device mounted to the surface of the turbine component and fluidly connected with the cooling fluid source and the cooling network, the temperature-actuated flow modulating device configured to:
detect a temperature of an ambient air temperature proximate the turbine component; and
control a flow of the cooling fluid to the cooling network based upon the detected ambient air temperature,
wherein the temperature-actuated flow modulating device includes a valve sized to permit a fixed amount of flow of the cooling fluid based upon a baseline temperature condition, wherein the temperature-actuated flow modulating device is configured to permit a modified amount of flow of the cooling fluid to the cooling network in response to detecting the temperature of the ambient air exceeds the baseline temperature condition, and
wherein the temperature-actuated flow modulating device includes a ballast fluid configured to control a position of the valve, and responds to the ambient air temperature exceeding the baseline temperature condition by expanding the ballast fluid and modifying a position of the valve to permit the modified amount of flow of the cooling fluid to the cooling network.

US Pat. No. 10,337,342

STATOR ASSEMBLY FOR A GAS TURBINE ENGINE

ROLLS-ROYCE plc, London ...

1. A stator assembly comprising at least one annular platform defining a boundary of an annulus and a plurality of guide vanes for arranging in a circumferential array on the annular platform;the platform including a circumferential array of slots each slot at a first end having walls converging from an annulus facing side to an opposite side of the platform and then extending parallel towards a second end;
one or more cooling holes arranged in a wall of the slot;
each vane including a root portion which converges in a first region distal to the root end and then extends parallel towards the root end in a second region, the root portion configured to engage in a slot of the platform with the first region abutting a convergent wall portion of the slot and the second region spaced from a parallel wall of the slot; and
at least one bore in a parallel wall of each slot and at least one bore in the second region of the root portion, the bores positioned to align when a vane is engaged in a slot, the aligning bores together configured to receive a pin.

US Pat. No. 10,337,341

ADDITIVELY MANUFACTURED AUGMENTOR VANE OF A GAS TURBINE ENGINE WITH ADDITIVELY MANUFACTURED FUEL LINE EXTENDING THERETHROUGH

United Technologies Corpo...

1. An augmentor vane assembly of a gas turbine engine, comprising:an additively manufactured augmentor vane that includes a vertical wall extending perpendicular with and radially between a radially inboard endwall and a radially outboard endwall to define therein an internal volume containing cooling air within the augmentor vane; and
an additively manufactured fuel line extending through the radially inboard endwall and through the internal volume, the additively manufactured fuel line comprising a main line extending parallel to the vertical wall within the internal volume and multiple branch lines within the internal volume that each branch off from the main line extending radially outward and toward the vertical wall at an oblique angle to the main line,
each respective one of the multiple branch lines having a radially outboard end and terminating inside the vertical wall at the radially outboard end, each radially outboard end including an outlet adjacent a respective exit aperture formed through the vertical wall.

US Pat. No. 10,337,340

MIXED STATOR FOR AN AXIAL TURBINE ENGINE COMPRESSOR

SAFRAN AERO BOOSTERS SA, ...

1. A stator assembly for an axial turbine engine, said stator comprising:an annular row of stator vanes which comprises integral support vanes with internal platforms, and connection vanes;
an internal shroud formed by the internal platforms of the support vanes and by internal shroud segments which are fixed to the connection vanes, the internal platforms of the support vanes and the internal shroud segments having the same axial length;
at least one integral vane block which comprises a plurality of support vanes and one of the internal platforms which is common to each of the support vanes of the integral vane block, and an external platform which is common to each of the support vanes of the integral vane block,whereinsaid one of the internal platforms comprises four contact surfaces which are generally perpendicular to the rotation axis of the turbine engine and which are axially in contact with two of the internal shroud segments, each of the two internal shroud segments being in contact with two of the four contact surfaces of said one of the internal platforms,wherein said one of the internal platforms comprises an internal U-shape groove which is radially open towards the inner side, said two internal shroud segments each comprising a portion of smaller radial and axial thickness which is introduced into the internal U-shape groove.

US Pat. No. 10,337,339

STRUCTURAL HONEYCOMB PANEL

United Technologies Corpo...

1. A structural panel for use with a gas turbine engine, the panel comprising:a first exterior wall including:
a first exterior surface; and
a first interior surface parallel to the first exterior surface;
a second exterior wall including:
a second exterior surface; and
a second interior surface parallel to the second exterior surface; and
a plurality of interior walls extending from the first interior surface to the second interior surface, the interior walls arranged to form a pattern of hexagonal cells, wherein some interior walls include one aperture, some interior walls includes more than one aperture, and some interior walls include no apertures;
wherein the pattern of hexagonal cells includes a plurality of cell groups having a variation in structural strength such that at least one of the cell groups has a structural strength that is not the same as the remaining cell groups.

US Pat. No. 10,337,338

WHEEL DISK ASSEMBLY HAVING SEALING PLATES

Siemens Aktiengesellschaf...

1. A wheel disk assembly, comprising:a wheel disk,
a plurality of blade devices which are fastened along an outer circumference of the wheel disk,
a plurality of sealing plates which are received between the wheel disk and the plurality of blade devices such that they are displaceable in a circumferential direction, and
securing devices which secure the plurality of sealing plates against displacement in the circumferential direction, wherein bolts are provided as securing devices, wherein in an installed state the bolts are releasably held in bores arranged on the wheel disk and engage in cutouts which are formed in faces of the plurality of sealing plates oriented toward the wheel disk,
wherein in the installed state a resilience of at least one bolt of the bolts acts on a surface of an associated bore to create a push force that urges the at least one bolt out of the associated bore, and wherein in the installed state the at least one bolt transfers the push force to an associated sealing plate of the plurality of sealing plates, thereby urging the associated sealing plate away from the wheel disk,
wherein in the installed state the resilience permits the at least one bolt to be pressed farther into the associated bore upon application of an external force in order to release an engagement between the at least one bolt and an associated cutout, and
wherein the at least one bolt comprises, at an end region oriented away from the wheel disk, at least one radially outwardly protruding projection as a bearing surface that is effective to transfer the push force to the associated sealing plate.

US Pat. No. 10,337,337

BLADING MEMBER FOR A FLUID FLOW MACHINE

GENERAL ELECTRIC TECHNOLO...

1. A blading member for a fluid flow machine, the blading member comprising:a platform member including a platform member receiver section having a first face and a second face, and a platform member receiver through-opening disposed in the platform member receiver section, the platform member receiver through-opening extending from the first face to the second face;
at least one airfoil member extending from an airfoil base to an airfoil tip and including an airfoil member foot section and an airfoil member aerodynamic section, wherein the airfoil member foot section extends from the airfoil base to the airfoil member aerodynamic section and the airfoil member aerodynamic section extends from the airfoil member foot section to the airfoil tip, the airfoil member aerodynamic section projecting from the first face of the platform member receiver section, the airfoil member foot section including an airfoil member male mating section received within the platform member receiver through-opening,
wherein at least one interlock receiver recess is provided on at least one of a platform member receiver section through-opening inner wall and the airfoil member foot section;
at least one interlock member partially received in the at least one interlock receiver recess and including a section protruding from the at least one interlock receiver recess, wherein the protruding section of the at least one interlock member includes at least one seating surface, wherein
an interlock counterpart seating surface is provided on one of the platform member receiver section and the airfoil foot section, wherein the at least one seating surface provided on the protruding section of the at least one interlock member and the interlock counterpart seating surface are arranged and configured to bear on each other; and
a retainer member disposed and arranged to mate with an external surface of the at least one interlock member and configured to secure the at least one interlock member in the at least one interlock receiver recess during operation of the fluid flow machine.

US Pat. No. 10,337,336

SYSTEM AND METHOD FOR BLADE WITH PROTECTIVE LAYER

UNITED TECHNOLOGIES CORPO...

1. A method comprising:grinding a root of a blade to decrease a size of the root;
applying a bond coat to the root of the blade;
coupling a protective metallic layer to the root of the blade, comprising:
coupling a first protective metallic layer to the root of the blade;
coupling a second protective metallic layer to the first protective metallic layer; and
removing a portion of the second protective metallic layer to form a planar pressure surface on the root,
wherein the second protective metallic layer is outward of the first protective metallic layer, the first protective metallic layer being more compliant than the second protective metallic layer, wherein the size of the root with the bond coat, the first protective metallic layer, and the second protective metallic layer is substantially the same size as prior to grinding the root, and wherein the protective metallic layer comprises a thickness between 0.08 inches and 0.1 inches.

US Pat. No. 10,337,335

METHOD FOR MANUFACTURING A METALLIC OR CERAMIC COMPONENT BY SELECTIVE LASER MELTING ADDITIVE MANUFACTURING

GENERAL ELECTRIC TECHNOLO...

1. A method for selective laser melting additive manufacturing a three-dimensional article/component entirely or partly, the method comprising:successively building up an article/component layer-by-layer directly from a powder bed of a base material by remelting the layers with a high energy laser beam; and
moving repetitively across the areas which are to be solidified, wherein the movement of the laser beam on a surface of the powder bed is made of a superposition of a continuous linear movement and at least one superimposed sinusoidal oscillation with a frequency and an amplitude, wherein the oscillation is created by a beam deflection device and the same beam deflection device which is also used for linear positioning movement, wherein a lateral offset between adjacent axes of the linear movement of the laser beam across the surface of the powder bed equals 0.5-3× the amplitude of the oscillation.

US Pat. No. 10,337,334

GAS TURBINE ENGINE COMPONENT WITH A BAFFLE INSERT

UNITED TECHNOLOGIES CORPO...

1. A component of a gas turbine engine, the component comprising:an internal cooling cavity extending through an interior of the component;
a baffle insert configured to be inserted into the internal cooling cavity;
a plurality of trip strips extending upwardly from an exterior surface of the baffle insert spaced from an interior surface of the internal cooling cavity;
wherein the plurality of trip strips extend upwardly from the exterior surface of the baffle insert in a spiral configuration, configured to create a plurality of vortices at the exterior of the baffle insert; and
at least one rib extending upwardly from the exterior surface of the baffle insert and configured to terminate the plurality of vortices, wherein the at least one rib is spaced from the interior surface of the internal cooling cavity.

US Pat. No. 10,337,333

TURBINE BLADE COMPRISING A CENTRAL COOLING DUCT AND TWO SIDE CAVITIES CONNECTED DOWNSTREAM FROM THE CENTRAL DUCT

SAFRAN AIRCRAFT ENGINES, ...

1. A turbine blade of a turbomachine, the blade comprising:a root;
a vane carried by the root, the vane extending in a spanwise direction from the root and until a tip, the vane comprising a leading edge and a trailing edge located downstream from the leading edge, the vane comprising a pressure-side wall and a suction-side wall which is spaced apart from the pressure-side wall, wherein the pressure-side wall and the suction-side wall each connect the leading edge to the trailing edge;
a first inner side cavity running along the pressure-side wall and a second inner side cavity running along the suction-side wall, wherein the inner side cavities are configured to be supplied with cooling air through at least one channel opening into the root;
at least one inner central duct extending between the inner side cavities, wherein the inner central duct is separate from the inner side cavities by a wall, wherein the inner central duct and the inner side cavities are configured to be separately supplied with cooling air from the root;
wherein the inner side cavities communicate with each other, by merging in a junction region located downstream from the inner central duct, and wherein the junction region extends over a majority of a height of the inner central duct in the spanwise direction.

US Pat. No. 10,337,332

AIRFOIL HAVING PEDESTALS IN TRAILING EDGE CAVITY

UNITED TECHNOLOGIES CORPO...

1. An airfoil of a gas turbine engine comprising:an airfoil body having a leading edge and a trailing edge extending in a radial direction;
a trailing edge cavity formed within the airfoil and proximate to the trailing edge of the airfoil, the trailing edge cavity extending from the trailing edge in a forward direction toward the leading edge;
at least one set of blocking pedestals located within the trailing edge cavity, wherein each blocking pedestal of the set of blocking pedestals has a length (Lr) extending in an axial direction and a width (Wr) in the radial direction, wherein the width is greater than the length, thus forming a racetrack geometry such that each pedestal has a constant width and has curved ends;
a set of circular pedestals located aftward from the at least one blocking set of pedestals; and
a set of spear pedestals located aftward from the set of circular pedestals and closest to the trailing edge of the airfoil body,
wherein the blocking pedestals, the circular pedestals, and the spear pedestals are integrally clocked with an adjacent set of pedestals to provide even distribution of flow between each set of the pedestals and out the trailing edge of the airfoil,
wherein the blocking pedestals block a flow path of air through the trailing edge cavity and generate a feed pressure and backflow margin for cooling holes within the airfoil.

US Pat. No. 10,337,331

MANUFACTURE OF COMPONENT WITH CAVITY

ROLLS-ROYCE plc, London ...

1. A method for manufacturing a component having an internal cavity, the method comprising;defining an external geometry of the component;
defining a core geometry of the component; and
using an additive layer manufacturing (ALM) method, building the component from a plurality of layers laid on a first plane,
wherein:
the core geometry includes a main core passage having an elongated axis, and a channel extending from a first end of the main core passage to an external surface of the component,
the channel has an axis which is inclined at an obtuse angle relative to an axis of the main core passage such that an apex is provided between walls of the channel and the main core passage,
the channel is smaller in cross-sectional area than the main core passage at the apex,
the main core passage is configured to define sloping shoulders extending from the channel where the channel meets the main core passage at the apex,
the channel axis is further inclined relative to the first plane, and
the additive layer manufacturing method includes removing excess material from the main core passage via the channel.

US Pat. No. 10,337,330

METHOD OF ASSEMBLING A ROTOR STACK

ROLLS-ROYCE plc, London ...

1. A method of assembling a rotor stack comprising a plurality of component parts, the method comprising:(A) measuring swash of abutting surfaces of the plurality of parts;
(B) calculating a runout estimate for a plurality of relative orientations of the parts, including selecting a clamping load and estimating deformation of the abutting surfaces of the parts as a function of the clamping load;
(C) applying an optimization algorithm to identify an optimal orientation from the plurality of relative orientations based on the runout estimates;
(D) comparing the runout estimate corresponding to the optimal orientation with a threshold and repeating steps (A)-(D) with a different combination of parts if the runout estimate falls outside of the threshold; and
assembling the parts in the optimal orientation when the runout estimate corresponding to the optimal orientation falls within the threshold.

US Pat. No. 10,337,329

METHOD AND SYSTEM TO REPAIR OUTER PERIPHERY OF A BODY

General Electric Company,...

1. A method to repair a peripheral portion of a body comprising:removing a damaged portion from a peripheral region of the body, wherein the body has a peripheral surface formed by the removal of the damage portion;
mounting a replacement ring to the body after removal of the damaged portion, wherein the replacement ring includes an inner surface facing the peripheral surface of the body;
forming a hollow center section between the inner surface of the replacement ring and the peripheral surface of the body by the mounting of the replacement ring, wherein the hollow center section is between ridges on at least one of the replacement ring and the body and the ridges extend between the peripheral surface of the body and the inner surface of the replacement ring;
welding the replacement ring to the body, wherein weld material is applied only within end grooves, wherein the end grooves are each bordered by one of the ridges, an outer side surface of the replacement ring, the inner surface of the replacement ring and the peripheral surface of the body, and
leaving a void in the hollow center section after the welding of the replacement ring to the body.

US Pat. No. 10,337,328

POSITIVE DISPLACEMENT ROTARY MOTION DEVICE INCLUDING A PULSE DETONATION DEVICE

Exponential Technologies,...

1. A pulse detonation device comprising:a detonation region,
a mixing chamber in fluid communication with an air transfer line that provides preheated air from a heat transfer system, wherein the heat transfer system provides an air conduit for air to transfer around the detonation region, extracting heat therefrom,
the mixing chamber configured to receive preheated air from the air transfer line that are in communication with the heat transfer system, the mixing chamber further in communication with a fuel injector,
a diffuser configured to receive a fuel air mixture from the mixing chamber,
the detonation region downstream from the diffuser, where the detonation region is configured with a detonation location that provides sufficient activation energy to detonate the fuel air mixture therein,
whereby expanding gas of the detonated fuel air mixture travels down the detonation region to an exit location.

US Pat. No. 10,337,327

RIPPING AND SCRAPING CUTTER TOOL ASSEMBLIES, SYSTEMS, AND METHODS FOR A TUNNEL BORING MACHINE

APERGY BMCS ACQUISITION C...

1. A cutter assembly for mounting on a cutterhead of a tunnel boring machine (“TBM”) and engaging a target material, the cutter assembly comprising:a support block sized and configured to be attached to the cutterhead of the TBM, the support block including a leading surface, a back surface, and a top surface extending between the leading surface and the back surface; and
a plurality of polycrystalline diamond cutter elements secured to the support block, each of the plurality of polycrystalline diamond cutter elements including a polycrystalline diamond working surface, the plurality of polycrystalline diamond cutter elements including:
one or more first polycrystalline diamond cutter elements having a substantially nonplanar polycrystalline diamond working surface, the one or more first polycrystalline diamond cutter elements extend outward from the top surface of the support block; and
one or more second polycrystalline diamond cutter elements having a substantially planar polycrystalline diamond working surface, wherein a center axis of the one or more second polycrystalline diamond cutter elements is oriented at an acute angle relative to a centerline of the support block.

US Pat. No. 10,337,326

METHOD AND APPARATUS FOR FORMING TUNNELS FOR TRANSPORT ROUTES

1. A method of forming a tunnel structure which once formed includes a new transport route for use instead of, or in addition to, an existing transport route, said method comprising the steps of forming at least two parallel spaced apart access tunnels along a length which the tunnel structure is to be formed, forming at least one guide surface along each of the access tunnels, introducing a plurality of units from at least one end of the said length and successively sliding the said units along the said at least one guide surface of said access tunnels, said units successively introduced and moved along a linear path as the material in which the tunnel structure is to be formed is excavated in advance of the leading one of the said units with respect to the direction of movement of the units, until the required length of tunnel structure is formed and the path along which the tunnel structure is formed is located under said existing transport route and the said path is substantially parallel with the said existing transport route with a first access ramp formed at a first end of the said tunnel structure and a second access ramp formed at a second end of the said tunnel structure to link the respective ends of the said new transport route formed in the said tunnel structure to the existing transport route and allow the passage of trains or vehicles from the existing transport route along the said new transport route through the tunnel structure once formed and said tunnel structure lies at a depth under the said surface on which the existing transport route is formed in the range of 2-10 meters.

US Pat. No. 10,337,325

PROCESS AND SYSTEM FOR IMPROVED RECLAMATION OF MINED LANDS

1. A method for improving the reclamation of a disturbed land, the method comprising:forming a sand clay slurry including a sand tailing and a clay slurry;
flocculating the sand clay slurry using a flocculant polymer;
dewatering the flocculated sand clay slurry; and
forming an engineered reclamation material having a paste consistency for backfilling the disturbed land by adding overburden to the dewatered flocculated sand clay slurry, and:
wherein the engineered reclamation material formed has a ratio of about 1 part clay, 0.5-2.5 parts sand tailings, and less than 5 parts overburden; and
wherein the ratio of the engineered reclamation material is achieved by balancing the solid content (Cw) and water content (1?Cw) materials of the clay slurry, sand tailings and overburden to obtain a desired paste consistency.

US Pat. No. 10,337,324

VARIOUS BIT HOLDERS AND UNITARY BIT/HOLDERS FOR USE WITH SHORTENED DEPTH BIT HOLDER BLOCKS

The Sollami Company, Her...

1. A bit holder comprising:a body and a generally cylindrical shank depending axially from a bottom of said body,
said shank having a central bore extending axially inwardly from a distal end thereof and an axially extending slot through a sidewall of said shank extending upwardly from said distal end thereof,
an axial height of said body being greater than an axial length of said shank,
an annular interference portion adjacent a top of said shank,
a reduced dimeter central portion subjacent said annular interference portion including an upper termination of said slot, and
a lower interference portion adjacent said distal end thereof, said lower interference portion including a reverse taper sidewall.

US Pat. No. 10,337,323

DUAL FUNCTION DOWNHOLE TOOL

1. A multifunctional downhole wireline tool for fluid sampling and fluid jetting in a well downhole, comprising:a pump having a pump opening, and
a fluid chamber for collecting a sample of fluid or storage of fluid to be jetted, the fluid chamber having a first chamber end connected with the pump opening and a second chamber end having a chamber opening,wherein the fluid chamber has a chamber wall and comprises:a first piston and a second piston dividing the fluid chamber into a first chamber section, a second chamber section and a third chamber section, the first piston being connected with a first end of a first piston rod, the second piston being connected with a first end of a second piston rod,
a first support configured to support the first piston rod,
a second support configured to support the second piston rod, and
a first spring provided between the first piston and the first support and another first spring provided between the second piston and the second support, so that when the pump provides a pressure difference over the pistons, the pistons are forced in one direction, hence activating a spring force of the first springs and allowing the fluid to flow from one chamber section to another chamber section.

US Pat. No. 10,337,322

MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING

Well Resolutions Technolo...

1. A resistivity-measuring sensor disposable within a drillstring, the sensor comprising:a sensor body having a longitudinal axis,
wherein the sensor body is separable from and disposable entirely within the drillstring at a radially offset distance from the longitudinal axis of the drillstring;
a transmitting antenna disposed along a length of the sensor body;
a receiving antenna disposed along a length of the sensor body; and
an electronics section contained within the sensor body for generating and receiving signals to and from the transmitting and receiving antennas.

US Pat. No. 10,337,321

SYSTEM AND METHOD TO AUTOMATE DATA ACQUISITION IN A WIRELESS TELEMETRY SYSTEM

SCHLUMBERGER TECHNOLOGY C...

1. A method of acquiring data in a wireless telemetry network that includes a plurality of wireless communication nodes in communication with a data acquisition system, the method comprising:defining a target data set to acquire from a produced data set stored in a wireless communication node of the telemetry network, the produced data set corresponding to measurements of the parameter of interest;
providing a system operating envelope defining communication characteristics associated with the telemetry network; and
initiating a data acquisition cycle to acquire an actual data set from the produced data set, wherein the data acquisition cycle includes execution parameters that are automatically optimized so that the actual data set is an optimal match of the target data set given the system operating envelope.

US Pat. No. 10,337,320

METHOD AND SYSTEMS FOR CAPTURING DATA FOR PHYSICAL STATES ASSOCIATED WITH PERFORATING STRING

Halliburton Energy Servic...

13. A method for capturing data regarding physical states of a perforating string disposed in a wellbore through a fluid-producing formation, the method comprising:communicatively coupling an external control device to the sensing tool to configure the sensing tool prior to being disposed in the wellbore;
downloading data related to a previous downhole job from the external control device to the sensing tool to configure the sensing tool for a parameter including at least one of a channel number, a threshold strain value, a threshold acceleration value, a threshold pressure value, a threshold velocity value or an arming threshold value;
sampling data for storage in a memory device by a first processor at a first sampling rate from at least one sensor, wherein the at least one sensor measures at least one parameter indicative of at least one of a tension state, a compression state, a bending state, or a torsion state experienced during deployment of the perforating string, wherein the first sampling rate is associated with the deployment of the perforating string;
detecting a trigger condition associated with a perforation operation performed by the perforating string;
switching to a second sampling rate for sampling data from the at least one sensor in response to detecting the trigger condition, wherein the second sampling rate is greater than the first sampling rate and is associated with the perforation operation of the perforating string; and
sampling data for storage in the memory device by the first processor and a second processor at the second sampling rate for a period of time in which the perforation operation is at least partially performed.

US Pat. No. 10,337,319

WIRED MOTOR FOR REALTIME DATA

SANVEAN TECHNOLOGIES LLC,...

1. A bottomhole assembly comprising:a downhole motor, the downhole motor including a rotor and a stator, the rotor having a first end and a second end;
a bearing assembly, the bearing assembly including a bearing housing and a bearing mandrel, the bearing mandrel having a first end and a second end;
a transmission shaft having a first end and a second end, the first end of the transmission shaft mechanically coupled to the first end of the rotor, the second end of the transmission shaft mechanically coupled to the first end of the bearing mandrel;
a sensor positioned at the second end of the transmission shaft; and
a conductor positioned within the transmission shaft and the rotor, the conductor extending from the sensor to the second end of the rotor.

US Pat. No. 10,337,318

SENSOR ARRAY NOISE REDUCTION

SCHLUMBERGER TECHNOLOGY C...

1. A logging and control system, comprising:a sensor array noise reduction manager configured to:
receive measurements from two or more sensors configured to detect an electromagnetic telemetry signal;
convert the measurements into symbols in a constellation domain;
measure a dispersion of the symbols around one or more constellation centers in the constellation domain;
determine a demixing vector based on the dispersion; and
apply the demixing vector to filter one or more noise sources from the measurements and improve a signal to noise ratio of the electromagnetic telemetry signal in the measurements.

US Pat. No. 10,337,317

WAX TRACERS

Institutt for Energitekni...

1. A method for monitoring precipitation of at least one wax component from a hydrocarbon-containing fluid stream flowing through a fluid transport system having at least one in-flow point and at least one out-flow point, the method comprising:a) taking a sample of the hydrocarbon-containing fluid stream;
b) analyzing the sample of the hydrocarbon-containing fluid;
c) identifying at least one of a group consisting of a structure and molecular weight of at least one wax component in the sample of the hydrocarbon-containing fluid;
d) selecting or generating at least one labelled wax based upon the structure or molecular weight of the at least one wax component identified in step c), wherein the selected or generated at least one labeled wax is labeled with either an isotope label or with a covalently attached label;
i) introducing the at least one labelled wax selected or generated in step d) into the hydrocarbon-containing fluid stream at the at least one in-flow point; and
ii) measuring a relative or absolute concentration of the at least one labelled wax in at least one sample taken at the at least one out-flow point.

US Pat. No. 10,337,316

DISTRIBUTED ACOUSTIC SENSING SYSTEM WITH VARIABLE SPATIAL RESOLUTION

Halliburton Energy Servic...

1. A distributed acoustic sensing system based on coherent Rayleigh scattering, comprising:a pulse generator, which generates an optical pulse;
an interferometer, further comprising:
a first arm, wherein a first portion of the optical pulse travels through the first arm;
a second arm, wherein a second portion of the optical pulse travels through the second arm;
a first optical switch coupled to the second arm and to a first plurality of fiber coils; and
a second optical switch coupled to the first plurality of fiber coils;
wherein the first optical switch and the second optical switch each comprise a plurality of ports;
a photodetector assembly coupled to the interferometer, wherein the photodetector assembly detects backscattered interfered light; and
an information handling system, which activates one port on the first optical switch and one port on the second optical switch so as to delay the optical path length of the second portion of the optical pulse, thereby changing the spatial resolution of the system.

US Pat. No. 10,337,315

METHODS AND APPARATUS FOR COMPUTING ZONAL FLOW RATES IN RESERVOIR WELLS

International Business Ma...

1. A method for determining and implementing an operational adjustment to a reservoir well, the method comprising:receiving input data representing at least one state parameter of the reservoir well;
determining a generative model of the at least one state parameter and a generative model of the at least one zonal flow rate;
iteratively adapting the generative models to minimize divergence from available data until the generative models and the available data converge;
once the generative models and the available data converge, using the generative model of the at least one zonal flow rate to compute the at least one zonal flow rate;
based on the computed at least one zonal flow rate, determining the operational adjustment for the reservoir well; and
communicating and implementing the operational adjustment to the reservoir well;
wherein at least one of determining the generative models and iteratively adapting the generative models comprises a joint non-convex non-linear inversion with goal-directed inversion formulation focused on inference of the at least one zonal flow rate.

US Pat. No. 10,337,314

SHALLOW GROUND WATER CHARACTERIZATION SYSTEM USING FLEXIBLE BOREHOLE LINERS

15. A method for lining a subsurface borehole, comprising:providing a flexible tubiform liner having an outside surface, an inside surface, and an axial length;
disposing at least one tubing sleeve upon the liner's inside surface and along at least a major segment of the length;
providing at least one spacer on the liner's outside surface;
defining at least one liner port through the liner, wherein each of the at least one liner port is adjacent to, and in fluid communication with, one of the at least one spacer;
situating a sample slender tube in fluid communication with each of the at least one liner port, and along and within the at least one tubing sleeve and ascending toward a top of a borehole;
collapsing the liner;
drawing the liner into an interior of a protective hose, with the liner's outside surface in confronting relation with an inside surface of the protective hose;
lowering down the borehole the protective hose with the liner therein;
anchoring a bottom end of the liner in the borehole; and
placing the liner's outside surface against a borehole wall.

US Pat. No. 10,337,313

INTEGRATED WELL SURVEY MANAGEMENT AND PLANNING TOOL

Halliburotn Energy Servic...

1. A computer-implemented well survey method comprising:receiving survey data describing a well being drilled from a surface to a subterranean geological target to be reached by drilling the well, wherein the well is associated with a target trajectory on which the well is to be drilled from the surface to the subterranean geological target;
based, at least in part, on the survey data and the target trajectory, determining an uncertainty indicator indicating an uncertainty in drilling the well on the target trajectory;
displaying, in a user interface, the uncertainty indicator;
changing, by an operator, a survey plan that indicates a number, position and type of surveys to be performed on the well while drilling the well, the change being responsive to the uncertainty indicated by the uncertainty indicator; and
applying a plurality of error models based on the received change to the survey plan, each error model defining a respective uncertainty in reaching the subterranean geological target by drilling the well.

US Pat. No. 10,337,312

ELECTRICAL SUBMERSIBLE PUMPING SYSTEM WITH SEPARATOR

Saudi Arabian Oil Company...

1. A system for producing fluid from a well comprising:a housing selectively disposed in the well;
a separation chamber disposed in the housing;
an impeller disposed in the housing and that is selectively rotatable about an axis;
a fluid passage extending radially through the impeller, having a discharge end in fluid communication with the separation chamber, and that extends along a path that is generally normal to a line that is tangential to an outer radius of the impeller; and
a bulkhead between the impeller and the separation chamber having a helical flow path formed within and through which the discharge end of the fluid passage is in fluid communication with the separation chamber.

US Pat. No. 10,337,311

METHODS OF FORMING VARIABLE STRENGTH PROPPANT PACKS

Halliburton Energy Servic...

1. A method comprising:continuously introducing a fluid composition into a subterranean formation having a fracture network therein, wherein during the introducing the fluid composition changes between (i), (ii) and (iii), as follows:
(i) a first proppant-laden fluid comprising first proppant particles that have a coating,
(ii) a second proppant-laden fluid comprising second proppant particles having a crush strength greater than a crush strength of the first proppant particles, and
(iii) a proppant-free fluid comprising degradable particles; and
forming a proppant pack in at least a portion of the fracture network, the proppant pack having a first proppant portion comprising the first proppant particles, a second proppant portion comprising the second proppant particles, and a proppant-free portion disposed between the first proppant portion and the second proppant portion, wherein the fluid composition changes includes multiple instances of: changing to the proppant-free fluid from the first proppant-laden fluid and also changing to the proppant-free fluid from the second proppant-laden fluid.

US Pat. No. 10,337,310

METHOD FOR THE ENHANCEMENT AND STIMULATION OF OIL AND GAS PRODUCTION IN SHALES

GEODYNAMICS, INC., Mills...

1. A method for perforating a well and for the enhancement of injection activities and stimulation of oil or gas production in an underground formation, the method comprising the steps of:a) loading a reactive liner shaped charge within a charge carrier, the reactive liner shaped charge having a reactive liner comprising at least three components selected from metals and oxides of metals such that the reactive liner is subject to explosive exothermic intermetallic reaction under detonation conditions caused by a high explosive;
b) positioning the charge carrier down a wellbore adjacent to the underground formation, the underground formation including shales; and
c) detonating a high explosive in the reactive liner shaped charge to cause a first explosive event;
d) triggering a second explosive event as a result of the first explosive event, the second explosive event created by exothermic intermetallic interaction between reactive liner components, the explosive events clearing the perforation tunnel of an internal crush zone to produce a clear tunnel depth wherein a depth of the clear tunnel is equal to the total depth of penetration of the perforation tunnel; and
e) injecting a fluid into the wellbore to fracture the underground formation;
wherein the perforation tunnel has an improved permeability as compared to permeability with the crush zone in place, and whereby the method reduces a fluid pressure required to initiate the step of fracturing of the underground formation as compared to using a charge without a reactive liner.

US Pat. No. 10,337,309

METHOD FOR REFRACTURING A WELLBORE AND LOW MOLECULAR WEIGHT COMPOSITIONS FOR USE THEREIN

NewWell Tech, LLC, Houst...

1. A method of re-fracturing a wellbore comprising:identifying fractured perforations in the wellbore based on injection pressure data;
injecting a sealant composition into the fractured perforations;
sealing off the fractured perforations; and
re-fracturing perforations that are not sealed,
wherein the sealant composition comprises at least one crosslinkable polymer or copolymer and at least one crosslinking agent,
wherein the at least one crosslinkable polymer or copolymer includes a polyethylenimine having a molecular weight of less than 100,000 Daltons, polyacrylic acid having an average molecular weight of less than 400,000 Daltons, polymethylacrylate having a molecular weight of less than 400,000 Daltons, polyacrylamide having a molecular weight of less than 100,000 Daltons, and combinations thereof; and
wherein the crosslinking agent includes ethylenediamine, hexamethylenediamine, hexamethylenetetramine, polyethylenimine having a molecular weight less than 100,000 Daltons, succinic acid, citric acid, or mixtures thereof.

US Pat. No. 10,337,308

SYSTEM FOR PUMPING HYDRAULIC FRACTURING FLUID USING ELECTRIC PUMPS

U.S. Well Services, Inc.,...

1. A system for hydraulically fracturing an underground formation in an oil or gas well to extract oil or gas from the formation, the oil or gas well having a wellbore that permits passage of fluid from the wellbore into the formation, the system comprising:a pump fluidly connected to the well; and
an electric motor to power the pump;
the pump configured to pump fluid into the wellbore at high pressure so that the fluid passes from the wellbore into the formation, and fractures the formation, wherein the pump is a triplex or a quinteplex pump rated at about 2250 hydraulic horsepower or more.

US Pat. No. 10,337,307

OPTIMIZED ACIDIZING OF A PRODUCTION WELL NEAR AQUIFER

LANDMARK GRAPHICS CORPORA...

1. A computer implemented method for determining optimal acid placement for a production well with a nearby aquifer, the method comprising:initializing, by a computer system, an acid placement distribution function based on a uniform acid placement profile;
simulating, by the computer system, a propagation of a water front from the aquifer to the production well due to fluid injection into an area of a formation surrounding the production well, based on the initialized acid placement distribution function;
determining, by the computer system, a pressure distribution in the production well and a location of the water front when it reaches the production well during the simulation;
adjusting, by the computer system, the acid placement distribution function based on the pressure distribution and the location of the water front relative to a reference location along a length of the production well, the reference location corresponding to a point along the water front where the simulated water front propagation is determined to be at a minimum;
determining, by the computer system, whether a variation between a shape of the water front according to the adjusted acid placement distribution function and a target profile according to the reference location is within a predetermined convergence range;
when the variation is determined not to be within the predetermined convergence range, repeating the simulation and the adjustment of the acid placement distribution function until the variation is determined to be within the predetermined convergence range;
when the variation is determined to be within the predetermined convergence range, determining an acid placement distribution along the production well that yields the optimal acid placement for the production well, based on the adjusted acid placement distribution function; and
acidizing the production well according to the determined acid placement distribution.

US Pat. No. 10,337,306

IN-SITU STEAM QUALITY ENHANCEMENT USING MICROWAVE WITH ENABLER CERAMICS FOR DOWNHOLE APPLICATIONS

Saudi Arabian Oil Company...

14. A method for injecting steam into a subterranean formation with a steam injector assembly, the method comprising:locating a steam separation system of the steam injector assembly within a subterranean steam injection well, the steam separation system directing an initial high quality steam to the subterranean formation and directing a low quality fluid mix to a heating system of the steam injector assembly, the heating system having a ceramic-containing member located in a travel path of the low quality fluid mix;
heating the ceramic-containing member with electromagnetic waves of an electromagnetic antenna of the heating system, to generate an improved high quality steam from the low quality fluid mix;
providing a relief valve of the steam injector assembly that is movable to an open position when the improved high quality steam within a heating chamber of the heating system reaches an injection pressure, wherein in the open position, the relief valve provides a fluid flow path out of the heating chamber.

US Pat. No. 10,337,305

PROCESS FOR REMOVING DISSOLVED GAS FROM AN EVAPORATOR FEED STREAM

Veolia Water Technologies...

1. A method of recovering oil from an oil well, comprising:recovering an oil-water mixture from the well;
separating the oil-water mixture to produce an oil product and produced water;
directing the produced water to and through a deaerator;
after the produced water has been directed through the deaerator, directing the produced water to an evaporator and producing a concentrated brine and steam;
condensing the steam to form a distillate;
directing the distillate to a steam generator and producing steam;
injecting at least a portion of the steam into an injection well;
stripping dissolved gas from the produced water upstream of the evaporator by directing steam from the evaporator through a steam line into and through the deaerator;
maintaining a vapor pressure in the deaerator below atmospheric pressure by dropping the pressure of the steam in the steam line; and
prior to the produced water entering the deaerator, heating the produced water to a temperature greater than a saturated vapor temperature in the deaerator.

US Pat. No. 10,337,304

IN-SITU CARBON DIOXIDE GENERATION FOR HEAVY OIL RECOVERY METHOD

Husky Oil Operations Limi...

1. A method for producing reservoir oil from an unconsolidated or weakly consolidated reservoir comprising at least one wellbore positioned inside the reservoir, the at least one wellbore having no wormholes extending therefrom, the method comprising the steps of:providing an aqueous solution of a carbonate salt;
providing an aqueous solution of an acid;
injecting, from the surface, the aqueous solution of the carbonate salt into the at least one wellbore;
allowing the aqueous solution of the carbonate salt to enter into the reservoir;
subsequent to allowing the aqueous solution of the carbonate salt to enter into the reservoir, injecting, from the surface, the aqueous solution of the acid into the at least one wellbore;
allowing the aqueous solution of the acid to enter into the reservoir and contact the aqueous solution of the carbonate salt;
subsequent to allowing the aqueous solution of the acid to enter into the reservoir, shutting in the at least one wellbore;
allowing the carbonate salt in the aqueous solution of the carbonate salt and the acid in the aqueous solution of the acid to react with each other to form carbon dioxide gas generating an effervescence of carbon dioxide gas that disaggregates a first portion of the reservoir adjacent to the at least one wellbore;
allowing the carbon dioxide gas to mix with the reservoir oil thereby reducing viscosity of the reservoir oil;
subsequent to allowing the carbon dioxide gas to mix with the reservoir oil, opening up the at least one wellbore;
allowing the reservoir oil and the first portion of the reservoir to flow into the at least one wellbore; and
producing to the surface the reservoir oil and the first portion of the reservoir via a Cold Heavy Oil Production with Sand recovery process.

US Pat. No. 10,337,303

ENHANCED OIL RECOVERY COMPOSITIONS AND METHODS THEREOF

Chevron U.S.A. Inc., San...

1. A method for selecting additive solvents for recovering hydrocarbons in a waterflooding operation, the method comprising:obtaining characteristics of a reservoir, including the reservoir temperature;
obtaining characteristics of a brine from the reservoir including salinity, pH, and polar organic solvent contents;
identifying an oxygenated coupling solvent, wherein the oxygenated coupling solvent includes oxygen as a component thereof, and wherein the oxygenated coupling solvent is water miscible at injection temperature, and wherein the oxygenated coupling solvent is water immiscible at the reservoir temperature, and wherein the oxygenated coupling solvent comprises glycol ethers, glycol ether esters, or any combination thereof;
constructing a first phase equilibria diagram indicative of a boundary of miscibility of the identified oxygenated coupling solvent to confirm that the identified oxygenated coupling solvent is water miscible at the injection temperature and water immiscible at the reservoir temperature;
identifying a co-solvent for mixing into the aqueous mixture, wherein the co-solvent is water miscible at injection temperature, and wherein the co-solvent is water immiscible at the reservoir temperature;
constructing a second phase equilibria diagram indicative of a boundary of miscibility of the identified oxygenated coupling solvent and the identified co-solvent to confirm that the identified oxygenated coupling solvent and the identified co-solvent are water miscible at the injection temperature and water immiscible at the reservoir temperature;
forming an injection stream with the identified oxygenated coupling solvent and the identified co-solvent for injection into the reservoir at a desired concentration of oxygenated coupling solvent and co-solvent mixture; and
injecting the injection stream into the reservoir to displace hydrocarbons in the reservoir, wherein at least a portion of the identified oxygenated coupling solvent and the identified co-solvent are water immiscible at the reservoir temperature and therefore miscible with the hydrocarbons at the reservoir temperature for driving the hydrocarbons toward a production well.

US Pat. No. 10,337,302

IN-SITU REPLACEMENT OF FLUIDS IN A WELL TOOL

Saudi Arabian Oil Company...

1. An assembly for circulating tool fluid of a downhole tool, the assembly including:a tool fluid source line extending into a subterranean well from a wellhead spool assembly to the downhole tool;
a tool fluid return line extending out of the subterranean well from the downhole tool to the wellhead spool assembly; and
a tool fluid reservoir located at a surface outside of the subterranean well; wherein
the tool fluid source line is in one way fluid communication with the tool fluid reservoir;
the tool fluid source line and the tool fluid return line extend within production tubing, defining an annular tubing casing annulus operable for the delivery of production fluids to the wellhead spool assembly; and
the tool fluid is free of fluid communication with wellbore fluids.

US Pat. No. 10,337,301

MITIGATED DYNAMIC UNDERBALANCE

HALLIBURTON ENERGY SERVIC...

1. A method of managing a dynamic underbalance condition resulting from firing at least one shaped charge of a perforating gun at a down-hole location, comprising:(a) determining a free volume in the perforating gun;
(b) determining down-hole pressures including a hydrostatic wellbore pressure and a formation pressure at the down-hole location;
(c) determining a target dynamic underbalance condition based on the free volume and down-hole pressures;
(d) installing a solid propellant tablet in the free volume distinct and spaced from the at least one shaped charge, wherein the propellant tablet is constructed of a propellant material arranged in a solid geometry circumscribing a central aperture defined in the solid propellant tablet, the propellant material selected to have reactive characteristics for increasing a pressure condition in the free volume while maintaining the pressure condition in the free volume below the hydrostatic wellbore pressure during consumption of the solid propellant tablet to thereby approximate the target dynamic underbalance condition; and
(e) operably coupling an ignitor to the central aperture defined in the solid propellant tablet.

US Pat. No. 10,337,300

METHOD TO CONTROL ENERGY INSIDE A PERFORATION GUN USING AN ENDOTHERMIC REACTION

Halliburton Energy Servic...

1. A perforation gun, comprising:a gun housing;
a plurality of charges;
a first reactive material;
a second reactive material that is reactive with the first reactive material to generate a chemical reaction; and
a release capsule, the first reactive material being disposed within the release capsule and the second reactive material being disposed within a chamber of the gun housing at a first time;
wherein the release capsule is communicatively coupled to a controller that generates a control signal to the release capsule at a second time that is later than the first time;
wherein the release capsule releases the first reactive material into the chamber in response to receiving the control signal; and
wherein the chemical reaction is an endothermic reaction.

US Pat. No. 10,337,299

PERFORATING APPARATUS AND METHOD HAVING INTERNAL LOAD PATH

Halliburton Energy Servic...

1. A perforating apparatus for attaching to a gun string, the apparatus for perforating a subterranean formation having a wellbore extending therethrough, the apparatus for use under an axial load through the apparatus in the gun string, the apparatus comprising:an exterior tubular;
a charge-carrier positioned substantially within an interior space defined by the exterior tubular and comprising a plurality of integral radial support members extending from the charge-carrier and contacting the exterior tubular for transferring a radial load from the exterior tubular to the charge-carrier, the charge-carrier for bearing the axial load and the radial load through the apparatus during use in the gun string; and
a plurality of shaped-charges supported by the charge-carrier and positioned within the exterior tubular such that, upon detonation, the shaped-charges perforate the exterior tubular.

US Pat. No. 10,337,298

EXPANDABLE LINER HANGER SYSTEM AND METHOD

TIW Corporation, Houston...

1. A liner hanger for use downhole in a wellbore to support a liner and to seal an annulus between the liner and a casing string in which the liner hanger is installed, the liner hanger comprising:an inner mandrel having a bore and a proximal connector for connecting to a work string;
an expandable tubular anchor releasably supportable from the inner mandrel for positioning the tubular anchor within the casing string, the tubular anchor having a radially inwardly tapered proximal end, an interior diameter and an exterior diameter that is less than an inner diameter of the casing string;
a tubular expander releasably supportable from the inner mandrel, the tubular expander having a radially outwardly tapered distal end positioned proximal to the radially inwardly tapered proximal end of the tubular anchor and an outer diameter that is greater than the interior diameter of the tubular anchor;
an actuator for forcing the tubular expander along an axis axially from a first position with the distal end of the tubular expander proximal to the proximal end of the tubular anchor to a second position substantially within the tubular anchor to radially expand the tubular anchor against the interior wall of the casing string and to radially support the expanded tubular anchor in an expanded condition; and
one or more expandable metal sealing elements interference fit onto an exterior wall of the tubular anchor by heating the one or more metal sealing elements to expand the inner diameter of the one or more metal sealing elements and cooling the one or more heated metal sealing elements around the tubular anchor, wherein the one or more metal sealing elements sealably engage the interior wall of the casing string upon expansion of the tubular anchor and the metal sealing elements;
wherein each of the one or more metal sealing elements has a radially outward facing surface defining an outer diameter of the metal sealing element, wherein the radially outward facing surface has a rounded shape as viewed in a plane parallel to a longitudinal axis of the liner hanger.

US Pat. No. 10,337,297

DOWNHOLE METHOD AND APPARATUS

HALLIBURTON MANUFACTURING...

1. A downhole apparatus comprising a base pipe, a plurality of axially extending pressure deformable members mounted around the base pipe and at least one circumferential retaining ring axially spaced from ends of the deformable members and located externally of the members radially spaced from the base pipe and the at least one circumferential retaining ring always maintained disconnected from the base pipe by the deformable members and the each one of the plurality of deformable members is always non-concentric with the base pipe.

US Pat. No. 10,337,296

GAS LIFT ASSEMBLY

Red Willow Production Com...

1. An apparatus comprising:an elongate body comprising an outer wall, wherein the outer wall defines an interior chamber having an axis and a gas passage in communication with the interior chamber, the elongate body further comprising a base defining a liquid opening and a cap defining an outlet opening adapted to expel a mist from the interior chamber, wherein the liquid opening is adapted to receive a liquid disposed in a wellbore, and wherein the gas passage is adapted to receive a gas, wherein the gas passage is disposed a first distance from the base;
an inner conduit disposed in the interior chamber, and wherein the inner conduit comprises:
a first open end having a first open end diameter and in communication with the liquid opening; and
a second open end having a second open end diameter and in communication with the interior chamber, wherein the second open end is disposed a second distance from the base, wherein the gas passage is disposed at a location along the axis between the first open end and the second open end, and wherein the second open end of the inner conduit is adapted to expel the liquid into the interior chamber; and
a choke disposed between the liquid opening and the first open end, wherein the choke has a choke diameter less than the first open end diameter of the inner conduit and the second open end diameter of the inner conduit and the interior chamber.

US Pat. No. 10,337,295

METHODS TO DETERMINE COMPOSITE VIBRATION INDICES OF A DRILLING ASSEMBLY

ExxonMobil Upstream Resea...

1. A computer implemented method to drill a borehole within a subterranean formation with a drilling assembly, the method comprising the following steps:selecting a lateral, torsional, or axial mode frequency-domain dynamic model of the drilling assembly, wherein the dynamic model describes a dynamic response of the drilling assembly to excitation at an excitation frequency for operating at a set of selected drilling parameters that include at least a rotary speed and a weight on bit;
providing a non-transitory machine-readable storage medium having stored thereon a routine of set instructions for using the selected frequency-domain model and for causing the machine to perform one or more of the steps of;
calculating the dynamic response of the dynamic model for an excitation of the drilling assembly for at least two excitation frequencies for each of at least two sets of selected drilling parameters;
calculating vibration indices from the calculated dynamic model response to represent the system output for each of the at least two excitation frequencies for each set of drilling parameters;
receiving data measurements from at least one drilling operation that includes measurements pertaining to the excitation of the selected dynamic model;
identifying drilling parameters in the measured dataset that correspond to the selected model drilling parameters;
determining drilling parameter partitions of the data measurements for the selected drilling parameters;
calculating at least one frequency domain spectrum of the data measurements for each of the partitions;
determining for each of the partitions, from the at least one calculated frequency domain spectrum, spectral weighting factors based at least on the spectral amplitude at each of the two or more excitation frequencies in the at least one spectrum;
calculating a composite vibration index by combining the calculated vibration indices for each excitation frequency with the spectral weighting factors for each of the drilling parameter partitions;
displaying said composite vibration index for each of the drilling parameter partitions;
selecting preferred drilling parameters based on the displayed results;
and
using the preferred drilling parameters to drill a borehole with the modeled drilling assembly.

US Pat. No. 10,337,294

RESERVOIR PERMEABILITY UPSCALING

BAKER HUGHES, A GE COMPAN...

1. A method for producing a desired amount of hydrocarbons from an earth formation of interest by estimating a permeability of the earth formation of interest, the method comprising:conveying a downhole tool through a borehole penetrating the earth formation of interest;
sensing a first property of the earth formation of interest using a sensor disposed on downhole tool;
obtaining a core sample of the earth formation of interest using a coring tool coupled to the carrier;
analyzing the core sample using core analysis apparatus to provide a second property of the earth formation of interest;
generating a discrete fracture network (DFN) of the earth formation of interest based on the first property and the second property;
receiving the DFN of the earth formation of interest, the DFN comprising a location, an orientation, and a size of fractures represented in the earth formation of interest;
representing the DFN as one or more volume sections, each volume section comprising a plurality of boundaries;
identifying fractures that are connected to each other and lead from a first boundary in the plurality of boundaries to a second boundary in the plurality of boundaries to provide one or more flow paths for each volume section;
applying Oda's method to the connected fractures making up the one or more flow paths to estimate the permeability of the earth formation of interest along the one or more flow paths for each volume section to provide a permeability value for each volume section; and
entering the permeability value for each volume section into a reservoir simulator implemented by a processor and modeling flow of fluid though the earth formation of interest to provide flow values of the fluid using the reservoir simulator;
modeling water injected into the earth formation of interest for different injection rates and durations and estimating an amount of hydrocarbons that are produced in a well penetrating the earth formation of interest for each modeled injection rate and duration using the reservoir simulator and the flow values; and
injecting water into the earth formation of interest using a production rig at an injection rate and duration based on the modeled injection rates and durations to produce a desired amount of hydrocarbons;
wherein the receiving, representing, identifying and applying are performed using a processor.

US Pat. No. 10,337,293

SYSTEMS, METHODS, AND APPARATUSES FOR DOWNHOLE LATERAL DETECTION USING ELECTROMAGNETIC SENSORS

Saudi Arabian Oil Company...

1. A system for detecting lateral wellbores, the system comprising:a subsurface unit configured to be disposed in a motherbore of a well, the subsurface unit comprising:
a control and communication system disposed at an uphole end of the subsurface unit, the control and communication system comprising a wideband signal generator configured to generate electromagnetic signals of frequencies within a wideband frequency range; and
a tool head disposed in a downhole end of the subsurface unit, the tool head being detachably coupled to the control and communication system, the tool head comprising a wideband antenna configured to generate electromagnetic pulses having frequencies within the wideband frequency range, the wideband antenna configured to:
receive, an electromagnetic signal generated by the control and communication system, the electromagnetic signal being of a given frequency;
radiate, into the environment surrounding the subsurface unit, an electromagnetic pulse corresponding to the electromagnetic signal, the electromagnetic pulse being of the given frequency; and
detect one or more reflections resulting from the radiation of the electromagnetic pulse into the environment surrounding the subsurface unit; and
provide one or more reflection signals corresponding to the one or more reflections; and
a processing module configured to determine, based on the one or more reflection signals provided, whether a lateral is present in the environment surrounding the subsurface unit.

US Pat. No. 10,337,292

DOWNHOLE COMPLETION SYSTEM AND METHOD

WELLTEC OILFIELD SOLUTION...

1. A completion method for completing a uniform inner bore downhole completion system in a reservoir in a formation, comprising the sequential steps of:drilling a hole in the formation,
inserting a surface casing having an inner surface casing diameter,
cementing an outer face of the surface casing to the hole,
inserting a drilling head in the surface casing,
drilling a main bore extending from the surface casing, the main bore having a first part and a second part, the second part comprising an end of the main bore, and the main bore having an inner main bore diameter which is substantially the same as the inner surface casing diameter of the surface casing,
retracting the drilling head from the main bore and the surface casing,
inserting a lower production casing in the second part of the main bore via the surface casing, the lower production casing having annular barriers and an inner diameter,
setting at least one of the annular barriers of the lower production casing,
inserting the drilling head into the first part of the main bore below the surface casing,
drilling a lateral bore from the first part of the main bore, the lateral bore having an inner lateral bore diameter which is substantially equal to the inner main bore diameter,
retracting the drilling head from the lateral bore,
inserting via the surface casing a lateral production casing fully in the lateral bore, the lateral production casing having annular barriers and an inner diameter which is substantially equal to the inner diameter of the lower production casing providing a uniform inner bore completion having the same inner diameter in all production casings, enabling service also in the lateral production casing while service of the lower production casing is performed,
setting at least one of the annular barriers of the lateral production casing,
after the lateral casing has been set, inserting via the surface casing a main production casing in the first part of the main bore, so that the main production casing is fluidly connected with the lower production casing, the main production casing having annular barriers and an inner diameter which is substantially equal to the inner diameter of the lower production casing,
setting the annular barriers of the main production casing, and
providing an opening in the main production casing by removing a portion of the main production casing after the main production casing has been set, the opening being located opposite the lateral production casing fluidly connecting the lateral production casing with the main production casing, so that the lower production casing, the main production casing and the lateral production casing is in fluid communication.

US Pat. No. 10,337,291

APPARATUS AND METHOD FOR MORE EFFICIENTLY SCANNING PRODUCTION TUBING THAT INCORPORATES A CABLE SECURED THERETO

11. A method, the method comprising:positioning a platform apparatus in close proximity to a blowout preventer or a wellhead of a well to permit an operator access to production tubing and cable secured to the production tubing, wherein the platform apparatus is supported by the blowout preventer or the wellhead;
separating the cable from the production tubing; and
scanning the production tubing with an electronic scanning device after the cable has been separated from the production tubing as the production tubing is being removed from the well.

US Pat. No. 10,337,290

HYDROCARBON HEATING SYSTEM

Tullow Group Services Lim...

1. A hydrocarbon heating system for a hydrocarbon production and/or transportation system comprising:a cable comprising at least two electrical conductors separated by an insulator; and
an alternating current (AC) power source connected to the at least two electrical conductors, wherein,
the alternating current power source generates heat in the cable by providing alternating current power to the cable;
the at least two electrical conductors are terminated by an open circuit;
the at least two electrical conductors are arranged as a transmission line; and
the hydrocarbon heating system is arranged to use multiple AC frequency excitations, having different combinations of AC voltage and frequency, thereby to generate a specific heating profile of the cable.

US Pat. No. 10,337,289

HIGH TEMPERATURE VISCOSIFIER FOR INSULATING PACKER FLUIDS

M-I L.L.C., Houston, TX ...

4. A method for preparing a packer fluid, the method comprising:adding a styrenic thermoplastic block copolymer to an oleaginous fluid; and
heating and shearing a combined oleaginous fluid and styrenic thermoplastic block copolymer;
wherein the shearing of the combined oleaginous fluid and styrenic thermoplastic block copolymer is at a higher shear rate than the shearing of the oleaginous fluid.

US Pat. No. 10,337,288

SLIDING SLEEVE HAVING INDEXING MECHANISM AND EXPANDABLE SLEEVE

Weatherford Technology Ho...

17. A method for tubing downhole in a borehole, comprising:deploying one or more initial plugs downhole to a first tool on the tubing;
indexing the first tool to a first count by reciprocally moving a radially expandable sleeve in first and second opposite directions in the first tool with the one or more first plugs engaged therein and releasing the one or more initial plugs from the radially expandable sleeve;
deploying a subsequent plug downhole to the first tool indexed to the first count;
moving the radially expandable sleeve in the first direction in the first tool with the subsequent plug engaged therein;
holding the subsequent plug in the first tool by wedging collet fingers around the radially expandable sleeve with the movement of the sleeve in the first direction to radially support the radially expandable sleeve; and
actuating an insert in the first tool in response to fluid pressure applied against the subsequent plug held in the radially supported sleeve.

US Pat. No. 10,337,287

TUBULAR ASSEMBLY INCLUDING A SLIDING SLEEVE HAVING A DEGRADABLE LOCKING ELEMENT

BAKER HUGHES, A GE COMPAN...

1. A method of operating a downhole slidable sleeve comprising:running a tubular assembly including at least one tubular having one or more openings into a wellbore;
shifting a slidable sleeve carried by the at least one tubular from a first configuration to a second configuration;
locking the slidable sleeve in the second configuration with a degradable locking member after the slidable sleeve is shifted from the first configuration; and
exposing the degradable locking member to a downhole fluid causing the degradable locking member to degrade.

US Pat. No. 10,337,286

RESEALABLE TUBING DRAIN FOR OILFIELD SERVICE

Black Gold Pump and Suppl...

1. A drain for draining a tubing string in a well, the drain comprising:an inner mandrel having a first cylindrical aperture and a second cylindrical aperture, the first cylindrical aperture and the second cylindrical aperture in circumferential alignment about the inner mandrel;
a ball disposed within the first cylindrical aperture;
a shell member having a wall which defines an axially aligned opening into which a portion of the inner mandrel is disposed, the shell member having a drain port extending through the wall, wherein the drain port comprises a ball seat;
wherein the inner mandrel is rotatable within the shell member from a first position in which the first cylindrical aperture is aligned with the drain port and the ball is urged against the ball seat to a second position in which the ball is dislodged from the ball seat and the second cylindrical aperture is aligned with the drain port.

US Pat. No. 10,337,285

TIME-DELAYED DOWNHOLE TOOL

INNOVEX DOWNHOLE SOLUTION...

17. A method for operating a downhole tool, comprising:deploying the downhole tool into a wellbore, the downhole tool comprising a sleeve that is initially held in a closed position, wherein the sleeve in the closed position blocks fluid communication between a central bore of the downhole tool and an exterior of the downhole tool via an opening in the downhole tool;
causing an increase in a pressure in the central bore;
maintaining the pressure in the central bore at least until a pressure in an actuation chamber defined within the downhole tool reaches an actuation pressure, wherein pressure changes in the actuation chamber are delayed with respect to pressure changes in the central bore, and wherein the pressure in the actuation chamber is applied to the sleeve and the pressure in the central bore is applied to the sleeve; and
producing a pressure differential across the sleeve by reducing the pressure in the central bore, such that the pressure in the actuation chamber is greater than the pressure in the central bore which results in the pressure differential across the sleeve, wherein producing the pressure differential causes the sleeve to move a first time toward an open position, and wherein the sleeve in the open position exposes the opening to the central bore for allowing communication between the central bore and the exterior of the downhole tool.

US Pat. No. 10,337,284

REVOLVED SEAT LINE FOR A CURVED FLAPPER

SCHLUMBERGER TECHNOLOGY C...

1. A device, comprising:a hard seat having an axial bore extending along a central axis;
a flapper pivotally connected with the hard seat at a hinge axis and pivotal between an open position to allow flow through the bore and a closed position to block flow through the bore, the flapper having a flapper sealing surface that slopes inward toward the central axis along a full circumference of the flapper sealing surface; and
the hard seat having a hard sealing surface that slopes inward toward the central axis conforming to the flapper sealing surface and on which the flapper sealing surface bears when in the closed position, the hard sealing surface comprising at least one valley and at least one crest,
wherein the flapper sealing surface and the hard sealing surface slope inward at the at least one valley and the at least one crest.

US Pat. No. 10,337,283

OPTIMUM FLOW CONTROL VALVE SETTING SYSTEM AND PROCEDURE

SCHLUMBERGER TECHNOLOGY C...

10. A method, comprising:providing a network of flow control valves in a multilateral completion disposed along isolated well zones of lateral bores of a multilateral well;
acquiring data from downhole in the multilateral well;
applying deconvolution of the data to obtain reservoir properties regarding near wellbore parameters;
identifying fluid phases and flow control valves flowing undesirable fluid phases to further establish the reservoir properties based on the deconvolution of the data on pressures and flow rates;
using the reservoir properties in a completion network model;
optimizing the completion network model for a desired objective function;
adjusting settings of the flow control valves in the network of flow control valves to improve the desired objective function, including improving flow of desired fluid phases from the isolated well zones; and
once flow control valve settings are implemented based on optimizing the completion network model, recalibrating the completion network model to continue an optimization loop wherein the settings of the flow control valves in the network of flow control valves are continually adjusted.

US Pat. No. 10,337,282

METHODS AND COMPOSITIONS FOR REDUCING WATER PRODUCTION IN FRACTURES OR VOIDS IN SUBTERRANEAN FORMATIONS

Halliburton Energy Servic...

1. A method comprising:providing a subterranean formation wherein a first well bore and an injection well offset from the first well bore penetrate portions of the subterranean formation;
detecting a portion of the subterranean formation penetrated by the injection well that is in pressure communication with the first well bore based at least in part on a decrease in a difference in pressure between a bottom hole pressure of the injection well and a bottom hole pressure of the first well bore;
introducing a particulate material into the injection well;
introducing a treatment fluid comprising a relative permeability modifier into the injection well at a pressure insufficient to enhance or create fractures or voids in the subterranean formation, wherein the relative permeability modifier comprises at least one hydrophilic polymer;
depositing at least a portion of the particulate material and the relative permeability modifier in the portion of the subterranean formation penetrated by the injection well that is in pressure communication with the first well bore, wherein the relative permeability modifier at least partially adsorbs onto at least a portion of the particulate material such that the permeability of the particulate material to water is reduced and the flow of water from the injection well into or toward the first well bore through the portion of the subterranean formation is reduced.

US Pat. No. 10,337,281

APPARATUS AND METHODS FOR CLOSING FLOW PATHS IN WELLBORES

BAKER HUGHES, A GE COMPAN...

1. A method of closing a fluid flow path in a wellbore, the method comprising:supplying a flexible structure having a selected shape sufficient to seat on an opening of the fluid flow path, the flexible structure including pores of selected dimensions; and
supplying a slurry including a sealant including solid particles and an additive into the wellbore, wherein the sealant closes the pores of the flexible structure seated on the opening of the fluid flow path to close the fluid flow path and the additive causes the solid particles to adhere to the pores in the flexible structure.

US Pat. No. 10,337,280

RESISTING COLLAPSE OF DOWNHOLE TOOLS

Halliburton Energy Servic...

18. A method, comprising:running a downhole tool connected with a conveyance into a wellbore, the downhole tool comprising:
a housing coupled with the conveyance;
a first tubular member coupled with the housing, the first tubular member comprising a first compound cylinder; and
a second tubular member coupled with the housing and concentrically positioned radially adjacent the first tubular member, the second tubular member comprising a second compound cylinder, the first and second tubular members defining a fixedly sealed pressure chamber between an inner surface of the first tubular member and an outer surface of the second tubular member;
setting the downhole tool at a determined depth in the wellbore; and
exposing at least one of the first or second tubular members to an annulus pressure in the wellbore that is greater than a fluid pressure in the pressure chamber, where the at least one of the first or second tubular members resists deformation based on the difference in the annulus pressure and the fluid pressure in the pressure chamber.

US Pat. No. 10,337,279

DISSOLVABLE DOWNHOLE TOOLS COMPRISING BOTH DEGRADABLE POLYMER ACID AND DEGRADABLE METAL ALLOY ELEMENTS

MAGNUM OIL TOOLS INTERNAT...

21. A degradable settable downhole tool having a rated setting strength for engaging a casing in a well containing a downhole fluid and temporarily isolating a first zone in the well from a second zone in the well, the downhole tool comprising:a mandrel;
a slip having a slip body;
a cone proximate the slip; and
wherein at least one of the mandrel, slip or cone comprises, as least in part, a hard polymer acid based solid that will degrade in the downhole fluid and release an acid into the downhole fluid, and wherein at least one of the mandrel, slip or cone comprises, at least in part, a non-ferrous metal whose rate of degradation in the downhole fluid will increase due to the acid relative to degradation in the downhole fluid without the acid; and
wherein the tool is configured to be set in the casing to isolate a zone above the tool from a zone below the tool, hold its rated strength for at least about six hours after entry into the downhole fluid, after at least about six hours to no longer hold its rated strength, and after about two days have degraded so as to not interfere with fluid flow through the casing at the setting location.

US Pat. No. 10,337,278

METHOD AND APPARATUS FOR CEMENTING WHILE RUNNING CASING IN A WELL BORE

Gulfstream Services, Inc....

1. A method of transmitting cement into an oil and gas well having an open hole well bore at least partially occupied by a casing string, comprising the steps of:a) providing a top drive supported by a lift;
b) attaching a tool body having multiple sections to the casing string after step “a”, the tool body including multiple valving members and one or more sections that are not valving members, wherein the tool body enables fluid circulation through or around a said valving member that controls dispensing of a plug;
c) wherein in step “b” circulation is enabled before or after dropping a plug, the valving members including one or more ball valving members that valve a central passageway and one or more fins attached to the ball valving member for valving flow outside and around the central passageway;
d) rotating the casing string after step “c” while circulating a well fluid into the well bore via the casing string;
e) circulating fluid into the well after step “c”;
f) releasing the plug into the well after step “d”; and
g) transmitting a cementitious material into the well bore after step “f”.

US Pat. No. 10,337,277

CLOSED-LOOP SOLENOID SYSTEM

Cameron International Cor...

1. A system for controlling hydraulically actuatable components disposed on a subsea blowout preventer assembly, the system comprising:a solenoid valve configured to control a flow of hydraulic fluid to adjust at least one of the hydraulically actuatable components;
a dedicated accumulator configured to supply the hydraulic fluid exclusively for use with the solenoid valve; and
a reservoir transfer vessel comprising a first chamber configured to receive and store a portion of the hydraulic fluid and a second chamber configured to receive a second fluid to cause the portion of the hydraulic fluid in the first chamber to flow to the accumulator to re-pressurize the accumulator in the event of a pressure loss;
wherein a flow path of the hydraulic fluid flowing between the solenoid valve, the reservoir transfer vessel and the accumulator forms a closed loop.

US Pat. No. 10,337,276

WELL TUBE AND A WELL BORE COMPONENT

AKER SOLUTIONS AS, Lysak...

1. A well tube configured for use with a subsea well assembly which comprises a Christmas tree arranged on top of a subterranean well, the well tube comprising:a bore comprising a first plug receiving space and a second plug receiving space arranged therein;
a first locking assembly arranged in the first plug receiving space, the first locking assembly comprising:
a first locking dog configured to move into and out of the bore,
a first actuator configured to move the first locking dog, and
a first control channel configured to couple the first actuator to an exterior of the well tube and to control the actuator so as to move the first locking dog;
a second locking assembly arranged in the second plug receiving space, the second locking assembly comprising:
a second locking dog configured to move into and out of the bore,
a second actuator configured to move the second locking dog, and
a second control channel configured to couple the second actuator to the exterior of the well tube and to control the second actuator so as to move the second locking dog;
a lockable insert which comprises an insert body comprising an outer body, and a fixed recess arranged on an outer surface of the insert body, the insert body comprising a plug which is configured to seal the bore; and
at least one penetrator arranged through the insert body, the at least one penetrator being configured to provide for at least one of an electrical communication, an electronic communication, a fluidic communication, an acoustic communication, a magnetic communication, an optical communication, and a mechanical communication between a first surface of the insert body and a second surface of the insert body which opposes the first surface.

US Pat. No. 10,337,275

O-RING SEALING FOR CASING INSTALLATION SYSTEM

1. An annular sealing structure associated with at least one annular support for sealing off against a well casing, said sealing structure comprising:a first O-ring and at least two spaced annular sealing surfaces against which the O-ring seals in addition to sealing off against the well casing; and
a holder connected to said sealing structure, said holder having a third annular surface spaced from said two spaced annular sealing surfaces, wherein said third annular surface extends at an angle in a plane containing the O-ring and is configured to compress the O-ring against the well casing and also against said sealing surfaces.

US Pat. No. 10,337,274

PLUG RECEPTION ASSEMBLY AND METHOD OF REDUCING RESTRICTION IN A BOREHOLE

BAKER HUGHES, A GE COMPAN...

2. A plug reception assembly having one longitudinal end and another longitudinal end, the plug reception assembly comprising:a mandrel providing a flowpath, the mandrel configured to receive a plug to block flow through the flowpath in a downhole direction;
an elastic member forming a portion of a radially exterior surface of the plug reception assembly, the elastic member having one longitudinal end and another longitudinal end;
only a single set of slips arranged to maintain the plug reception assembly in anchored relation to a borehole, the single set of slips disposed between the one longitudinal end of the plug reception assembly and the one longitudinal end of the elastic member, and the plug reception assembly being free of slips between the other longitudinal end of the plug reception assembly and the other longitudinal end of the elastic member; and
at least one component of the plug reception assembly being disintegratable or dissolvable by at least one of a wave, a target fluid and a target temperature, the at least one component being one that upon disintegration or dissolution facilitates removal of the plug reception assembly as a restriction in the borehole;
wherein the plug to block flow through the flowpath in a downhole direction is a first plug having a first size, and the flowpath extends from a first end to a second end of the plug reception assembly, the flowpath configured to enable passage of a second plug from a location uphole of the plug reception assembly to a location downhole of the plug reception assembly, the second plug having a second size smaller than the first size.

US Pat. No. 10,337,273

SYSTEMS, TOOLS AND METHODS FOR WELL DECOMMISSIONING

Foro Energy, Inc., Littl...

1. A system for surface decommission of wells, the system comprising:a. laser unit, the laser unit comprising: a chiller; a laser source, the laser source capable of generating at least a 5 kW laser beam; a control systems; and, a control console;
b. a deployment crane;
c. a laser tool comprising a shielding and exhaust gas collection housing;
d. a gate door on the laser unit, the gate door having and upper and a lower section, whereby the lower section is hingidly attached to the unit;
e. the deployment crane mounted on the upper section of the gate door, whereby when the gate door is opened the upper section is a greater distance from the unit than the lower section; and,
f. the laser tool comprising: a first assembly; a second assembly; whereby the second assembly is rotatable with respect to the first assembly; and, the second assembly housing a laser beam path.

US Pat. No. 10,337,272

HYBRID ROLLER CONE AND JUNK MILL BIT

VAREL INTERNATIONAL IND.,...

1. A hybrid bit for use in a wellbore, comprising:a body having a shank for connection to a drilling motor or drill pipe and a plurality of legs attached to the shank; and
a plurality of cutting structures, comprising:
a roller cone mounted to a first one of the plurality of legs; and
a fixed mill mounted to a second one of the plurality of legs and comprising a pad dressed with a cermet material, wherein:
the plurality of cutting structures define a cutting face of the hybrid bit,
an inner portion of the pad is located at a center of the cutting face,
the cermet material is a plurality of cutter blocks brazed to the pad,
the pad has a leading edge, a trailing edge, and a surface extending between the leading and trailing edges,
each edge extends to the center of the cutting face, and
at least the entire trailing edge and the entire surface are dressed with the plurality of cutter blocks.

US Pat. No. 10,337,271

DOWNHOLE POSITIONING AND ANCHORING DEVICE

Robertson Intellectual Pr...

1. An anchor tool for positioning downhole, comprising:a body configured to be disposed within a conduit in a wellbore;
one or more blades configured to move radially relative to the body, wherein at least one of the one or more blades comprises a key having a fixed protrusion configured to match a corresponding groove of an anchor sub receptacle within the conduit, and wherein the at least one or more blade comprises a shear pin receptacle; and
a locking mechanism comprising a shear pin, a first state and a second state, wherein the first state permits radial movement of the one or more blades in a direction away from the body of the anchor tool and the second state inhibits radial movement of the one or more blades in a direction toward the body of the anchor tool, and wherein the locking mechanism is configured to switch to the second state from the first state as soon as the fixed protrusion extends into the corresponding groove of the anchor sub receptacle, wherein the shear pin is configured to align with and extend into the shear pin receptacle when the locking mechanism is in the second state.

US Pat. No. 10,337,270

SELECT FIRE SYSTEM AND METHOD OF USING SAME

NEO Products, LLC, Harah...

16. A bailer bottom for performing bailer operations at a wellsite, the wellsite positioned about a wellbore penetrating a subterranean formation, the bailer bottom deployable into the wellbore, the bailer bottom comprising:a plurality of downhole components, the plurality of downhole components comprising a cement unit, the cement unit comprising a cement chamber and a valve, the cement chamber having a port therethrough in selective communication with the wellbore via the valve; and
a select fire unit comprising a downhole switch electrically coupled to the plurality of downhole components, the downhole switch having a trigger signal for each of the plurality of downhole components, the downhole switch triggerable to selectively move between the trigger signal for each of the plurality of downhole components and selectively pass an activation signal to one of the plurality of downhole components whereby the plurality of downhole components are selectively activated;
wherein the cement unit further comprises a piston slidably positionable in the cement chamber between an extended position and a retracted position, a volume of the cement chamber reduced as the piston moves from the retracted to the extended position; and
wherein the piston is electrically coupled between a surface trigger and the valve.

US Pat. No. 10,337,269

SYSTEM AND METHOD TO INSTALL VELOCITY STRING

BAKER HUGHES, A GE COMPAN...

8. A method for installing a velocity string system in a production string comprising:running a lock mandrel having a seal bore assembly attached thereto into a production string;
landing the lock mandrel on a no-go shoulder of a seating nipple in the production string;
actuating a locking dog of the lock mandrel into a locking groove of the seating nipple;
lifting the locking mandrel off the no-go shoulder with the locking dog; and then
running a velocity string into the locking mandrel; and
seating the velocity string in the seal bore assembly.

US Pat. No. 10,337,268

DEVICE FOR ENSURING CONTINUOUS CIRCULATION IN WELL DRILLING

HAD ENGINEERING S.R.L., ...

1. A device for ensuring continuous circulation during well drilling, during insertion or removal of a drill string in wells for hydrocarbon exploration and production, the device comprising:a substantially tubular body extending along a longitudinal axis in a preset axial direction from an upstream end to a downstream end;
the tubular body comprising an inner tubular wall;
an axial conduit extending in the tubular body from the upstream end to the downstream end which allows drilling mud to flow through the device;
first threaded connection means, at the upstream end, for connection of the upstream end of the device to one end of a drill string;
second threaded connection means, at the downstream end, for connection of the downstream end of the device to one end of another drill string;
a lateral opening provided in the tubular body, between the upstream end and the downstream end, to define a lateral conduit in the device in fluid communication with the axial conduit;
a plug removably fitted, in a pressure-tight manner by a threaded nut-screw engagement, into the lateral opening;
valve means comprising at least one shut-off member and located in the axial conduit to block the drilling mud and stop a flow of the drilling mud from the upstream end to the downstream end;
a tubular support concentrically inserted in a pressure-tight manner in the tubular body from the upstream end to an axial limit-stop position defined by positioning and centering means, and the valve means being carried by the tubular support to be removed from the tubular body; and
retainer means to maintain the tubular support inserted in the axial conduit in the axial limit-stop position, and the retainer means comprise:
a plurality of retainer elements placed in the tubular body in a circumferentially offset position and close to a head end of the tubular support facing the upstream end of the tubular body, and the retainer elements acting as retainer means to prevent the tubular support from axially moving toward the upstream end of the tubular body;
an inner seat provided in the inner tubular wall of the tubular body in which a first portion of the retainer elements is housed; and
a locking guide engaged with the inner tubular wall of the tubular body to maintain the first portion of the retainer elements within the inner seat;
wherein the retainer elements of the plurality of retainer elements are offset and circumferentially spaced along the inner seat from which the retainer elements project towards an inside of the tubular body with a second portion to define overall in the axial conduit of the tubular body an inner shoulder having a smaller inner diameter with respect to the inner diameter of the inner annular wall of the axial conduit of the tubular body;
an adjustment pressing/pushing member, the adjustment pressing/pushing member is coaxially associated in kinematic nut-screw engagement with the tubular support, so that a relative rotation either in a first direction or in an opposite direction of the adjustment pressing/pushing member with respect to the tubular support corresponds to a relative displacement in the axial direction, either in the first direction or in the opposite direction of the adjustment pressing/pushing member with respect to the tubular support;
following a relative rotation with respect to the tubular support, the adjustment pressing/pushing member reversibly moves in the axial direction, to pass from a retracted first position, spaced from the upstream end, towards an advanced second position with respect to the upstream end, and vice-versa;
in the retracted first position, the adjustment pressing/pushing member does not interfere with the retainer elements being spaced further from the upstream end of the tubular body with respect to the retainer elements;
the inner shoulder defined in the tubular body by the retainer elements defines a limit stop abutment to the movement of the adjustment pressing/pushing member towards the advanced second position; and
the adjustment pressing/pushing member abuts with forcing against the inner shoulder defined in the tubular body to force the retainer elements in the inner seat towards the upstream end of the tubular body and, at the same time, to force the tubular support in the axial limit-stop position against the positioning and centering means, so as to allow recovery of clearances in the positioning inside the tubular body of the tubular support and of the valve means supported by the tubular support.