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WO/2020/017335A1 |
A technique is provided for identifying the injection amount variation by estimating the valve opening start timing in a minimal injection region of a half-lift region. To this purpose, this fuel injection control device estimates the va...
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WO/2020/011768A1 |
The present invention relates to a method for triggering the changing of a switching transistor of a quasi-resonant DC-to-DC voltage converter to the on state. The method comprises the steps of phase-shifting (E1) the drain voltage of th...
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WO/2020/011852A1 |
The invention relates to a method for controlling a DC-DC voltage converter for the current control of at least one fuel injector of a heat engine of a motor vehicle. The method particularly comprises the steps of: determining (E1) a so-...
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WO/2020/011662A1 |
The invention relates to a method for operating an internal combustion engine (2) with a high-pressure exhaust gas recirculation (HD-AGR) and a low-pressure exhaust gas recirculation (ND-AGR). A mass flow (ṁ EGRLPOpt ) of a low-pressur...
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WO/2020/012020A1 |
The invention relates to a method for calbrating a crankshaft sensor (1a,1n) of the type comprising a crankshaft wheel (2) and a sensor element (3a, 3n) facing same, during the replacement of the crankshaft sensor (1a,1n), said method co...
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WO/2020/011781A1 |
The present invention relates to a method for controlling a module for controlling a transistor of a DC-DC voltage converter enabling the control of at least one fuel injector (2) of a motor vehicle heat engine. The method comprises the ...
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WO/2020/011664A1 |
The invention relates to a method for operating an internal combustion engine (2) with a high-pressure exhaust gas return (HD-AGR), wherein a mass flow (ṁ EGRHPOpt ) of a high-pressure exhaust gas return is determined, wherein the dete...
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WO/2020/012713A1 |
The control device and diagnosis method for an internal combustion engine according to the present invention are applied to an internal combustion engine in which a first fuel injection valve and a second fuel injection valve are dispose...
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WO/2020/011720A1 |
The present invention relates to a method for controlling a DC-to-DC voltage converter in order to drive the current of at least one fuel injector of a motor vehicle thermal combustion engine. The method comprises the steps of, when the ...
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WO/2020/008941A1 |
According to the present invention, as the load of an internal combustion engine drops, intake closing timing (IVC) for an intake valve is controlled to a retard side by an intake-side variable valve mechanism, and ignition timing (IgT) ...
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WO/2020/008842A1 |
Provided is a technology for accurately classifying abnormalities of air-fuel-ratio sensor response characteristics into six deterioration modes. The present disclosure provides a control device including a microprocessor that detects a ...
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WO/2020/008815A1 |
Provided is an electromagnetic valve drive device whereby the hysteresis value of a drive electric current for driving an electromagnetic valve can be controlled with good precision. The electromagnetic valve drive device pertaining to t...
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WO/2020/008816A1 |
The purpose of the present invention is to monitor, using a simple configuration, responsiveness between a control device and a load drive circuit without adversely affecting the characteristics of the load drive circuit. The load drive ...
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WO/2020/010066A1 |
A reductant insertion system for inserting reductant into an aftertreatment system via a reductant injector comprises a reductant insertion assembly comprising a pump operatively coupled to the reductant injector via a reductant delivery...
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WO/2020/008998A1 |
This engine is capable of switching between a gas mode for mixing a gaseous fuel and air and then causing the mixture to flow into a combustion chamber and be combusted, and a diesel mode for injecting a liquid fuel into a combustion cha...
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WO/2020/007456A1 |
Invention relates to method of increasing load in a four stoke internal combustion engine comprising operating the engine in a low load range mode comprising introducing the gaseous fuel (24) and intake air into a combustion chamber (28)...
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WO/2020/009825A1 |
Systems, methods and apparatus are disclosed for providing or maintaining a target surge margin at the compressor during steady state engine operating conditions and to avoid compressor surge during transients by controlling a compressor...
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WO/2020/005608A1 |
According to one or more embodiments, an internal combustion engine may be operated by a method including one or more of the steps of passing a first fuel and a second fuel into a combustion chamber of an engine cylinder to form a fuel m...
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WO/2020/002440A1 |
A controller for a fuel injector for an engine, the controller comprising: an input arranged to receive a first input signal indicative of the operating efficiency of the fuel injector and/or a second input signal indicative of the opera...
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WO/2020/005135A1 |
The present invention relates to a method performed by a control device (100) for determining manifold pressure in a manifold configuration (M) in connection to individual cylinders (C1, C2, C3, C4, C5, C6) of an internal combustion engi...
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WO/2020/002276A1 |
The invention relates to a method for operating an internal combustion engine, wherein the following is provided according to the invention in order to align the injection behavior of injectors; sensing a transient fuel pressure of the i...
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WO/2020/001788A1 |
The invention relates to a method of operating a four stroke internal combustion engine system (1), the engine system (1) comprising:- a four stroke internal combustion engine (2) provided with an intake duct (5), - a turbo compressor (6...
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WO/2020/006047A1 |
A system and method of utilizing a pre-turbine wide-range oxygen (WR02) sensor during both individual cylinder fuel control (ICFC) and scavenging of a turbocharged engine involve receiving, by a controller and from the WR02 sensor arrang...
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WO/2020/001780A1 |
The invention relates to an internal combustion engine comprising a crankshaft, one or more cylinders including a cylinder head, a piston, a combustion chamber, one or more intake valves, one or more exhaust valves, an intake system conf...
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WO/2020/002571A1 |
The invention relates to an internal combustion engine comprising a crankshaft, one or more cylinders including a cylinder head, a piston, a combustion chamber, one or more intake valves, one or more exhaust valves, an intake system conf...
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WO/2020/005134A1 |
The present invention relates to a method for determining reliability regarding misfire determination of cylinders of an internal combustion engine. The method comprises the step of detecting the pressure in the exhaust manifold arrangem...
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WO/2020/000010A1 |
The invention relates to a method for operating a petrol engine arrangement in an operating phase which comprises a normal operating phase and an overrun operating phase, and to a petrol engine arrangement, wherein the petrol engine arra...
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WO/2020/001755A1 |
The invention provides a method for controlling an internal combustion engine (2) for controlling an internal combustion engine (2) comprising at least one first cylinder (201) and at least one second cylinder (202) with respective recip...
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WO/2019/242040A1 |
The present invention relates to a pressure coupled control method and system for diffusion combustion of a natural gas engine, the method comprising: S11: detecting an operating condition of a natural gas engine; S12: an electronic cont...
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WO/2019/242876A1 |
1. Method for wear detection and predictive wear prognosis of electromechanical actuators in relation to the operating time of a machine with combustion engine 2. A method for wear detection and predictable wear prognosis of electromecha...
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WO/2019/243503A1 |
The present invention provides a method for controlling the duty cycle of a controlled current signal of a conversion module of a voltage converter, comprising a step (E1) of measuring, through the microcontroller, the duty cycle of the ...
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WO/2019/244075A1 |
A spark ignition engine (1) is described, comprising a cylinder (10) having a cylinder central axis (X1), a cylinder head (11) and a piston (20) movable along the cylinder central axis (X1), wherein a combustion chamber (30) is adapted t...
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WO/2019/243483A1 |
The invention relates to a method for operating a piston engine, in particular an internal combustion engine, and preferably to a method for operating a piston engine with an electric machine, in particular a generator or a motor, prefer...
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WO/2019/243675A1 |
The invention relates to a method for determining a power setpoint (Pcomp cons) of a compressor equipping an intake line connected to an internal combustion engine at an air distributor, the engine comprising a line for recirculating exh...
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WO/2019/244038A1 |
The present disclosure relates to a method and a device for evaluating the compression of the cylinders of an internal combustion engine. The method for evaluating the compression of the cylinders of an internal-combustion engine of a ve...
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WO/2019/243266A1 |
The present invention relates to a toothed wheel (1) for a camshaft, comprising a plurality of teeth (10) which are distributed over the circumference of the toothed wheel, the toothed wheel comprising four groups of teeth, namely:- a fi...
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WO/2019/243399A1 |
The invention relates to a method for controlling an electronic control unit (1) of a motor vehicle for the acquisition of the measurement of a physical quantity by means of a digital sensor (2) connected to the electronic control unit (...
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WO/2019/198047A9 |
A control method for a spark-ignition internal combustion engine (E) based on a calculation of an estimated air mass at the intake of the internal combustion engine, calculated based on a convenient pressure signal of said measured air. ...
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WO/2019/241866A1 |
The present disclosure relates to a method of testing a unit pump system performance. In one embodiment of the present disclosure, the method of testing a unit pump system performance determines if mechanical and/or electrical stability ...
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WO/2019/243248A1 |
The invention relates to a method for determining and/or detecting an accumulation of soot in an air intake to at least one combustion chamber of an internal combustion engine, particularly for determining the accumulation of soot in the...
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WO/2019/238297A1 |
The invention relates to a method for operating a drive device (1), which has an internal combustion engine (2), an exhaust turbocharger (9) having a turbine (11) and a compressor (10), an exhaust treatment system (19) downstream of the ...
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WO/2019/238298A1 |
The invention relates to a method for operating a drive assembly for a motor vehicle, having at least one internal combustion engine. The internal combustion engine has a first cylinder and at least one second cylinder for combusting a f...
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WO/2019/238666A1 |
The present invention relates to a method (50) for detecting a malfunction in a voltage-limiting circuit (11) of a control circuit (10), said control circuit comprising an output port (13) connected to a capacitive actuator (20) of a mot...
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WO/2019/240574A1 |
According to the invention, a method for air path control of a combustion engine is provided, comprising an EGR valve and a VGT turbine. The method comprises providing a cost function of a measured delta pressure between engine intake an...
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WO/2019/238515A1 |
The invention relates to a device and a method for testing switch-off paths in controllers of internal combustion engines during a running engine operation.
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WO/2019/238339A1 |
The invention relates to a method and diagnostic means for diagnosing a charge cycle behavior of an internal combustion engine (1) with a plurality of cylinders (Z1-Z4), characterized by the following steps: determining a rotational spee...
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WO/2019/238732A1 |
The invention relates to a system for controlling the powertrain (4) of a hybrid vehicle (1) comprising an internal combustion engine (5), an electrical machine (6) and an electrical accumulator (9), the system performing the following s...
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WO/2019/238338A1 |
The invention relates to a method and diagnostic means for diagnosing a charge cycle behavior of an internal combustion engine (1) with a plurality of cylinders (Z1-Z4), comprising the following steps: determining a diagnosis time window...
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WO/2019/238246A1 |
A method for balancing an air/fuel ratio of a multi-cylinder combustion engine configured to provide a driving force to a vehicle drivetrain is provided. The method includes determining one or more operating conditions of the multi-cylin...
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WO/2019/239025A1 |
The invention relates to a method for detecting a catalyst in an exhaust line, characterised in that it comprises the following operations: - shutting down the engine and thermally stabilising the exhaust line to achieve a balance betwee...
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