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WO/2024/083640A1 |
A method (100) of operating an internal combustion engine (1) is disclosed, the internal combustion engine (1) comprising a plurality of cylinders (c1 - c5). The method (100) comprises the steps of operating (110) a first set (s1) of cyl...
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WO/2024/079299A1 |
The invention relates to an internal combustion engine (1) comprising a combustion chamber, a fuel injection circuit (60), a fresh gas intake line (20) equipped with at least one intake valve (17A), an exhaust line (80) for exhausting th...
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WO/2024/051378A1 |
A control method for actuator bolts in a variable intake valve lift apparatus, comprising: in response to a drive instruction, driving bolts to move, and determining the relative position of two bolts by acquiring feedback voltages; and ...
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WO/2024/033745A1 |
A valve actuation system comprises a valve actuation motion source configured to provide main and auxiliary valve actuation motions for actuating at least one engine valve via a valve actuation load path. A lost motion subtracting mechan...
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WO/2024/028053A1 |
The invention relates, in one aspect, to a method for determining a braking torque of an engine brake in a vehicle with an internal combustion engine (1), comprising obtaining a value of an induction-manifold pressure in an induction tra...
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WO/2024/030218A1 |
Disclosed herein are systems and methods, implementable in a vehicle equipped with adaptive cruise control, for maintaining in a subject vehicle substantially constant following distance relative to a preceding target vehicle where there...
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WO/2024/023600A1 |
A spark-ignition internal combustion engine comprises, for each cylinder, two intake valves (VA, VB), at least one fuel injector and a spark plug. The two inlet valves (VA, VB) are operated by an electronically controlled hydraulic drive...
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WO/2024/023599A1 |
A spark-ignition internal combustion engine includes, for each cylinder, two intake valves (VA, VB), at least one fuel injector and a spark plug. The two inlet valves (VA, VB) are actuated by an electronically controlled hydraulic actuat...
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WO/2024/023601A1 |
A spark-ignition internal combustion engine includes, for each cylinder, two intake valves (VA, VB), at least one fuel injector and a spark plug. The two inlet valves (VA, VB) are actuated by an electronically controlled hydraulic actuat...
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WO/2024/023683A1 |
There is described a method for mitigating the emissions of nitrogen oxides in a hydrogen spark-ignition internal combustion engine during a transient, the internal combustion engine comprising at least one intake valve and at least one ...
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WO/2023/242501A1 |
The present invention concerns the production of carbon-free thermal energy by reciprocating engines. It relates to a compression auto-ignition combustion method. This method is best implemented in a highly turbocharged 2-stroke cycle de...
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WO/2023/242979A1 |
This engine control device comprises a control unit that receives a detection signal from a cam angle sensor that detects rotation of an intake value or an exhaust valve. When the engine is stopped or restarted, the control unit causes t...
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WO/2023/223116A1 |
An assembly (100) to turn off one or more cylinders of an engine to reduce load from a crankshaft is disclosed. The assembly (100) includes one or more butterfly valves (104) of a pre-defined shape housed inside one or more corresponding...
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WO/2023/218294A1 |
An internal-combustion engine supplied with gaseous fuel, in particular hydrogen, comprises, for each cylinder (1), a first intake duct (3A) and a second intake duct (3B), controlled, respectively, by a first intake valve (VA) and a seco...
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WO/2023/218267A1 |
An internal combustion supplied with gaseous fuel, in particular supplied with hydrogen, comprises, for each cylinder (1), a first intake duct (3A) and a second intake duct (3B) respectively controlled by a first intake 5 valve (VA) and ...
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WO/2023/214970A1 |
Systems and methods are provided for a camless reciprocating engine control system that uses laser absorption spectroscopy (LAS) sensors and artificial intelligence/machine learning to optimize engine operation. The control system evalua...
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WO/2023/160880A1 |
A method for operating a 6-cylinder engine connected to a driveline including a transmission. The method includes: monitoring a rotational speed of a crankshaft of the 6- cylinder engine; monitoring a gear selection of the transmission; ...
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WO/2023/151742A1 |
The invention relates to a method for operating a reciprocating piston engine (1) having a valve controller, said method comprising five operating phases (Ph1, Ph2, Ph3, Ph4, Ph5), namely the regular combustion engine operation (Ph1), a ...
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WO/2023/102346A1 |
An internal combustion engine system includes an engine with a plurality of cylinders, a fueling system to provide fuel to the plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective o...
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WO/2023/073894A1 |
This engine control device controls an engine installed in a hybrid vehicle that is driven by cooperation between output of the engine and output of an electric motor. The engine control device comprises a control unit that, if a fuel in...
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WO/2023/072509A1 |
The invention relates to a device for controlling an internal combustion engine (1) in a motor vehicle, in particular an electrified hybrid vehicle with a traction electric machine (11). The internal combustion engine has multiple cylind...
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WO/2023/073893A1 |
An engine control device comprises: a state-determining unit that determines the state of an engine; and a control unit that, when the state of the engine is determined by the state-determining unit to be an engine stop mode in which the...
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WO/2023/061975A1 |
The invention relates to a method for operating a drive device (1) for a motor vehicle, which drive device has a drive unit (2) that generates an exhaust gas, wherein a preset value (4) for a fresh gas quantity to be supplied to the driv...
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WO/2023/063279A1 |
This engine control device, for controlling an engine with a supercharger, is provided with: a parameter acquisition unit configured to acquire a first parameter relating to the engine operation state; an insufficient air supply determin...
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WO/2023/058340A1 |
According to the present invention, a microcomputer of a VVT controller rotationally drives an electric motor of a VVT mechanism, which is provided with a stopper that regulates the rotation angle, through speed feedback control. At this...
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WO/2023/046753A1 |
The invention relates to a method for operating an internal combustion engine (1) which has a cylinder (2), a crankshaft (3) and a camshaft (4, 5) which is connected in terms of drive to the crankshaft (3) via a camshaft adjuster (11, 12...
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WO/2023/031629A1 |
A split cycle internal combustion engine comprising: a compression cylinder accommodating a compression piston configured to provide compressed working fluid; a combustion cylinder accommodating a combustion piston, wherein the combustio...
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WO/2023/033694A1 |
A method (100) of controlling a powertrain (2) of a vehicle (40) is disclosed. The powertrain (2) comprises a combustion engine (1) comprising a crankshaft (16), a cylinder (10), and a piston (12). The distance (d) between a piston top (...
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WO/2023/023540A1 |
A system includes an engine including a valvetrain comprising one or more intake valves and one or more exhaust valves, a variable valve actuation (VVA) system electronically controllable to vary operation of the valvetrain to selectably...
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WO/2023/008184A1 |
This valve timing adjustment system comprises: a valve timing adjustment device (1); a phase lock mechanism (2); a hydraulic control valve (3); an electromagnetic drive unit (4); and an electronic control device (5). When removing a lock...
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WO/2023/001984A1 |
The invention relates to a method for operating a motor vehicle, the motor vehicle comprising an internal combustion engine (12) which includes an output shaft and by means of which the motor vehicle can be driven via the output shaft, a...
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WO/2023/001058A1 |
A dew cleaning control method for a throttle valve of a gasoline engine. The method comprises: collecting an ambient temperature and an ambient humidity of an engine at a flameout moment; according to the ambient temperature and the ambi...
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WO/2023/004243A1 |
An engine braking system includes a braking piston connected to an exhaust valve, and a braking cam lobe linked to the exhaust valve through a rocker lever. The braking piston is connected with a working fluid that selectively activates ...
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WO/2022/267410A1 |
A valve structure, comprising a cylinder head (1), a sealing member (2), an air pipe (3), a driving member (4), and a valve (5). The cylinder head (1) is provided with an air port, the sealing member (2) is fastened onto the cylinder hea...
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WO/2022/258667A1 |
The invention relates to a method of heating a catalytic converter (40) of an internal combustion engine (1), the method comprising the steps of: igniting the gas charge in one of the cylinders (22, 24, 26, 28) in a range from 10°KW bef...
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WO/2022/253820A1 |
A method for operating an internal combustion engine, in which the internal combustion engine has a plurality of cylinders and the respective cylinders are each assigned at least one outlet valve and at least one inlet valve, and the int...
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WO/2022/249612A1 |
According to the present invention, during control of a variable valve timing mechanism capable of using rotational output of a motor to change the rotational phase of a cam shaft with respect to a crank shaft of an internal combustion e...
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WO/2022/248674A1 |
Aspects of the present invention relate to controller (104) for controlling operation of a direct injection internal combustion engine (101) having a combustion chamber (103A) (103) for performing a plurality of operating cycles. The int...
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WO/2022/250597A1 |
A method (100) of controlling inlet valves (18) and exhaust valves (24) of a cylinder (10) of an internal combustion engine (1) to obtain an engine braking effect is disclosed. The method (100) comprises the steps of preventing (110) at ...
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WO/2022/248781A1 |
The invention relates to a method, implemented in an engine control device of a vehicle, of monitoring a plurality of adaptation values of at least one parameter, the method comprising the following steps: - calculating (10), for each ad...
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WO/2022/248782A1 |
The invention relates to a method, implemented in an engine control device of a vehicle, of limiting a correction of at least one parameter, said correction being performed by several adaptation values, the method comprising the followin...
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WO/2022/242910A1 |
The present invention pertains to a camshaft segment (10) for a camshaft (100) of a gas engine. The camshaft segment comprises a shaft (12) having at least one cam (110) mounted thereto and a flange (14) comprising a first flange recess ...
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WO/2022/230310A1 |
An ECU equipped with a state determination unit for determining a change in the state of an engine, and an intake valve phase change unit for outputting an instruction in order to change the phase of the intake valve on the basis of the ...
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WO/2022/213431A1 |
A continuously variable valve lift control device, comprising a valve assembly (101), an adjusting cam (102), a rocker arm (103) and a driving cam (104), wherein the rocker arm (103) can swing around a first end portion (105) of the rock...
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WO/2022/208576A1 |
The engine control device according to the present invention is provided with a variable valve mechanism (30), and comprises: main combustion chamber injection means (1, 3) for supplying fuel to a main combustion chamber (8); and an auxi...
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WO/2022/204643A1 |
A variety of methods and arrangements are described for operating an engine in a skip fire manner so that engine requirements, such as exhaust temperature, exhaust flow, torque and NVH, are met.
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WO/2022/184480A1 |
A method for controlling a controlled-ignition internal combustion engine of a motor vehicle provided with a system for treating polluting species in the exhaust line and with a computer configured to carry out the steps of the method, t...
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WO/2022/176254A1 |
This electric valve timing control device controls an electric valve timing device that changes a valve timing by changing, via a motor linked to a camshaft, the relative rotation phase of the camshaft with respect to a crankshaft of an ...
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WO/2022/168946A1 |
Provided are a control device for an internal combustion engine, and an internal combustion engine, wherein the internal combustion engine is provided with a crank mechanism for converting a reciprocating motion of a piston into a rotati...
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WO/2022/157171A1 |
The invention relates to a method for operating an internal combustion engine (1) which comprises at least one combustion chamber (3) and an injector (5) which is assigned to the combustion chamber (3) and intended for introducing a firs...
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