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WO/2024/083788A1 |
Method for managing a start-up phase in degraded mode, comprising the following steps: - a - setting the engine in rotation , -b - detecting a singularity, - c - estimating the angular position of the engine, - d - injecting fuel over a ...
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WO/2024/068525A1 |
The invention relates to a method for operating an internal combustion engine, in particular a hydrogen engine, having a plurality of cylinders, by determining a combustion air ratio of the internal combustion engine, comparing the deter...
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WO/2024/046900A1 |
The invention relates to a method (100) for closed-loop control of a dual-fuel engine (1), which is designed to be operated with a primary fuel and with a pilot fuel, which is different from the primary fuel, wherein - the primary fuel i...
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WO/2024/019150A1 |
A multicylinder engine unit (1) of an independent throttle type or an unequal interval combustion type is provided with: a plurality of independent exhaust pipes (12A, 12B); an aggregate pipe (13) including a catalyst (132); a pre-cataly...
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WO/2024/013953A1 |
The purpose of the present invention is to provide a control device which is for an internal combustion engine and which can reduce the difference between a corrected air flowrate and an actual air flowrate by appropriately correcting an...
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WO/2023/227450A1 |
The invention provides a method of operating a hydrogen internal combustion engine (10) having at least one cylinder (11) with an intake valve (15) and a direct injector (19) for injecting hydrogen fuel directly into the cylinder (11). I...
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WO/2023/225693A1 |
Method for operating an internal combustion engine (1), wherein the internal combustion engine (1) is operated by an air-fuel mixture comprising a fuel mixture and air, wherein the fuel mixture comprises a first fuel, preferably natural ...
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WO/2023/205114A1 |
A system (1100) and method (810) for monitoring and minimizing vehicle carbon emissions is disclosed herein. The system (1100) comprises a mobile device (110) for a vehicle (1000), a connected vehicle device (135) comprising on-vehicle d...
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WO/2023/190226A1 |
The present disclosure is directed to providing a configuration in an internal combustion engine with a plurality of cylinders mounted on a saddle riding-type vehicle, said configuration enabling an exhaust gas sensor to be suitably disp...
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WO/2023/186493A1 |
A controller (120) for vehicle is disclosed. The vehicle comprises position sensor (116) and a rotary electric machine (118) coupled to a primary shaft of a prime mover of the vehicle. Both of the position sensor (116) and the rotary ele...
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WO/2023/189962A1 |
The present disclosure provides an effective configuration for preliminary warmup or sensor temperature maintenance of an exhaust gas sensor in an internal combustion engine mounted in a saddle riding-type vehicle. The saddle riding-type...
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WO/2023/173155A1 |
The invention relates to a method for operating an internal combustion engine (1) in which exhaust gas is recirculated, at least in one operating range, via at least one EGR valve (18) and at least one exhaust gas recirculation line (6),...
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WO/2023/159257A1 |
The invention relates to a method and to a system (10) for determining a concentration of a gas and/or particles at a first point (5a, 5b, 5c, 5d, 5e) in a gas path, in particular in an exhaust section (2), of an internal combustion engi...
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WO/2023/133035A1 |
The present disclosure relates to engines with multiple cylinder banks. Systems and methods are disclosed that relate to engine operations that balance the output from the cylinder banks to improve engine health and performance.
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WO/2023/117060A1 |
Invention relates to cylinder-wise controlling combustion phasing in a multi-cylinder internal combustion piston engine (10) by a double feedback control system in which a set value is determined using the engine speed (20) and the engin...
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WO/2023/104578A1 |
The invention relates to an engine control method for a vehicle (1) comprising an internal combustion engine, comprising the following steps: - determining the instantaneous acceleration of the crankshaft based on the crankshaft position...
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WO/2023/049925A1 |
The subject matter of this specification can be embodied in, among other things, a method performed in connection with an internal combustion engine, and the method including receiving a pressure signal from a combustion chamber pressure...
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WO/2023/028156A2 |
Some embodiments described herein relate to a method of operating a compression ignition (CI) engine. The CI engine can include a combustion chamber. The method of operating the CI engine includes receiving a volume of intake charge in t...
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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/2023/021036A2 |
The invention relates to a method for operating a spark-ignition internal combustion engine. The internal combustion engine is operated using hydrogen as fuel, and a lambda injection value is a value which indicates the formation of a mi...
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WO/2023/021106A1 |
The invention relates to a method for monitoring the operation of an internal combustion engine (1), wherein during operation of the internal combustion engine (1) an acoustic signal is at least partially detected during a closing proced...
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WO/2023/001420A1 |
The invention relates to a method for operating an internal combustion engine (1), in which the internal combustion engine (1) has at least one first combustion chamber (2a) in which combustion processes take place during fired operation...
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WO/2022/248550A1 |
The invention relates to a method for operating an internal combustion engine (1) having at least one combustion chamber (3), to which at least one injector (5) is assigned, and at least one knocking sensor (7), wherein a) a first signal...
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WO/2022/178374A1 |
Operating a gaseous fuel engine system (10) includes determining a detonation level in combustion cylinders (16) in an engine (12) in the gaseous fuel engine system (10), comparing the detonation level to a detonation level limit, calcul...
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WO/2022/169824A1 |
The present disclosure relates to a system for controlling ignition of an air/fuel mixture intake charge directed into an internal combustion engine. The system may have a longitudinally movable inner cylinder liner configured to fit wit...
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WO/2022/157123A1 |
The invention relates to a method for operating an internal combustion engine (1) with at least one combustion chamber (3), the method comprising the following steps: - introducing a first, less ignitable fuel and introducing a second, m...
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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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WO/2022/112034A1 |
The present invention relates to a method for determining the mass of gas drawn into at least one combustion chamber based on the measurement of the pressure within the combustion chamber. The method involves determining the oscillation ...
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WO/2022/101187A1 |
The invention relates to an engine control device (1) for an internal combustion engine (2) of a vehicle, comprising a control unit (3) configured to adjust one or more operating parameters (4) of the internal combustion engine (2) on th...
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WO/2022/101185A1 |
The invention relates to a motor controller (1) for an internal combustion engine (2) of a vehicle, comprising a control unit (3) for setting one or more control variables (4) on the basis of one or more measured variables (4) according ...
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WO/2022/094642A1 |
The invention relates to a prechamber spark plug (1) suitable for use in a combustion chamber (12) of an internal combustion engine, comprising a prechamber (2), which is fluidically connected to the combustion chamber (12) by means of a...
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WO/2022/089866A1 |
The invention relates to a method for automatically identifying knocking in an internal combustion engine having a plurality of cylinders, variable inlet valve stroke and a knocking sensor. The invention further relates to a correspondin...
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WO/2022/090026A1 |
The present invention relates to a method for determining a combustion stability indicator that determines the VOC variation coefficient of a ratio of the indicated mean pressure (PMI) divided by the product of the injected fuel quantity...
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WO/2022/081638A2 |
A method for operating an oxycombustion engine system includes passing a nitrogen- depleted gas, a fuel, and a recycled exhaust gas into a combustion chamber, combusting a mixture of the nitrogen-depleted gas, the fuel, and the recycled ...
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WO/2022/066327A1 |
A variety of methods and arrangements are described for determining a pilot injection mass during skip fire operation of an internal combustion engine.
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WO/2022/039145A1 |
Provided is a signal generating device for an engine, comprising: a rotation sensor that is configured so as to output a signal each time a change in magnetic flux is detected, and that is fixed to a case of an engine; and a rotor provid...
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WO/2022/038129A1 |
The invention relates to a method for operating an internal combustion engine (1), wherein a) an injector (7) is actuated in order to introduce a pilot injection quantity of a fuel into a combustion chamber (3) of the internal combustion...
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WO/2022/033718A1 |
Misfire classification method for an internal combustion engine, comprising: a step (S1) of determining whether the engine is subjected to a misfire; a step (S2) of obtaining at least one temperature signal being indicative of a temperat...
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WO/2022/033719A1 |
Method for identifying cylinders of an internal combustion engine which are subjected to misfire during operation, comprising a step of determining whether the engine is subjected to a misfire condition; a step of measuring vibrations ge...
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WO/2021/257414A1 |
An electronic engine timing system that includes at least (1) an engine position sensor that includes a diametric magnet and two or more hall effect sensors configured and positioned to sense diametric magnet position, (2) sensor data re...
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WO/2021/239752A1 |
What is proposed is a method for the model-based open-loop and closed-loop control of an internal combustion engine, in which a pre-optimized quality measure (J(VO)) is calculated on the basis of the operating situation (BS) by an optimi...
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WO/2021/239434A1 |
The invention relates to a method for controlling an internal combustion engine (1), in which method an ignition angle for triggering combustion in a combustion chamber of the internal combustion engine is determined, a fundamental ignit...
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WO/2021/205549A1 |
A saddle-ride type vehicle (1) is provided with an engine (20), an exhaust gas path part (51), a catalyst (53), oxygen sensors (76, 77), and an oxygen sensor abnormality determination device (85). The oxygen sensor abnormality determinat...
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WO/2021/192273A1 |
Provided is an internal combustion engine that can synchronize a fuel injection timing with an operating cycle of an internal combustion engine body with high precision.　The internal combustion engine comprises: a camshaft 94 that is s...
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WO/2021/186461A1 |
The present invention relates to an emission control method and system configured to have an intelligent carburetor system (100) in order to achieve functionality of precise air-fuel mixture control in engine cold start and idle conditio...
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WO/2021/176153A1 |
An aspect of the invention relates to a method (100) for determining closing angles of intake and exhaust valves of an internal combustion engine. The method (100) includes the following steps: - acquiring (101) a raw signal from two eng...
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WO/2021/178227A1 |
A method of controlling an electronically controllable valve of an engine includes receiving, from one or more operation sensors, operation data including sensor data corresponding to a condition of the engine, control inputs indicative ...
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WO/2021/148410A1 |
The invention relates to a method for model-based open-loop and closed-loop control of an internal combustion engine (1), in which: the injection system setpoint values for controlling the injection system actuators are determined via a ...
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WO/2021/099099A1 |
Method for managing the supply of an engine (100), in which - as a piston (200) approaches a top dead centre (TDC) in the compression phase, setpoints concerning a combustion to come are established and a prediction of the rotational spe...
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WO/2021/098937A1 |
Invention relates to method of detecting a deviation in operation of a pressure sensor having a sensor specific sensitivity (s m ) for converting electric signal obtainable from the sensor into pressure, in internal combustion piston eng...
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