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WO/2021/199074A1 |
The present invention discloses an engine management system (200) for a vehicle (100). Accordingly, the engine management system (200) has a first controller (210) operatively coupled to a fuel injection system and an ignition system of ...
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WO/2021/198359A1 |
A method for diagnosing a speed/position sensor (1) of an internal combustion engine, comprising a toothed wheel securely attached to rotate with a shaft and a material detector, fixedly provided facing the toothed wheel and controlling ...
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WO/2021/191147A1 |
A method and device for controlling a four-stroke internal combustion engine comprising a step of producing a reconstituted crankshaft signal (12) which comprises an electrical signal extending over two revolutions of the crankshaft in t...
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WO/2021/195093A1 |
A method of controlling a skip-fire cylinder deactivation system of an engine system is provided. The method includes a controller deactivating a cylinder of the engine system to operate the engine system in a skip-fire mode. The method ...
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WO/2021/186310A1 |
Electronic fuel injection control system for an internal combustion engine, said internal combustion engine being equipped with at least one fuel feeding line provided with a fuel tank (15), at least one throttle valve (8), at least one ...
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WO/2021/187234A1 |
A fuel injection control device and a fuel injection control method of an internal combustion engine according to the present invention: correct a basic pulse with a cylinder-by-cylinder correction value based on a variation in injection...
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WO/2021/187528A1 |
A fuel injection control device according to an embodiment of the present invention controls fuel injection performed by a fuel injection device provided in a cylinder of a two-cycle engine, and is provided with: a scavenging gas state q...
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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/2021/185501A1 |
The invention relates to a method for detecting leaks in fuel injection valves (12) of an internal combustion engine (4) having at least one cylinder (10), said method comprising the following steps: starting the internal combustion engi...
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WO/2021/180412A1 |
An operating method for a fresh-air feed device (1) for an internal combustion engine, wherein the fresh-air feed device (1), which is configured for feeding fresh air from the environment surrounding the internal combustion engine into ...
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WO/2021/180613A1 |
The invention relates to a method for discharging the pressure in a fuel supply rail of an engine injection system of a vehicle, the fuel injection rail being connected to a fuel tank by means of a plurality of piezo-electric injectors, ...
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WO/2021/181572A1 |
Provided are an engine control device capable of efficiently transmitting a rotation state of an ACG starter motor to the engine control device divided into two, a method for controlling an engine control device, and a saddle type vehicl...
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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/2021/177877A1 |
An internal combustion engine comprising: an actuator (10) for axial displacement of at least one gas exchange valve of said internal combustion engine, wherein said actuator (10) comprises: an actuator piston disc (20), a cylinder volum...
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WO/2021/178461A1 |
Disclosed embodiments involve systems and methods for automatic calibration of large industrial engines in applications where the quality of the fuel supply is unknown and/or variable over time, particularly engines that drive compressor...
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WO/2021/177935A1 |
An engine system including a fuel system control arrangement includes an internal combustion engine including an exhaust line, one or more cylinders, and one or more fuel injectors corresponding to the one or more cylinders, means for de...
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WO/2021/174016A1 |
Some embodiments described herein relate to a method of operating a compression ignition engine. The method of operating the compression ignition engine includes opening an intake valve to draw a volume of air into a combustion chamber, ...
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WO/2021/173196A1 |
A diagnostic system and method that (a) that uses models indicative of both successful firing and skips to determine if cylinders of a skip fire controlled internal combustion engine have successfully fired or successfully skipped and (b...
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WO/2021/170293A1 |
An electric assist turbocharger unit (40) for use in an internal combustion engine (10), comprising a shaft (46) configured for torque- transmittingly connecting a compressor (42) to a turbine (44) of the turbocharger unit (40) and an el...
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WO/2021/170921A1 |
One aspect of the invention relates to a method (100) for regulating the temperature of a pollution-control element in an exhaust line of a vehicle, said at least one pollution-control element requiring a minimum temperature to operate, ...
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WO/2021/172382A1 |
An ECU (50) is equipped with: a first acquisition unit for acquiring a dynamic parameter when fuel injection is carried out by a fuel injection valve (30); a second acquisition unit for acquiring an injection amount parameter when fuel i...
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WO/2021/170761A1 |
The invention relates to a method for the model-based open-loop and closed-loop control of an internal combustion engine, in which method: during normal operation, the injection system desired values for controlling the injection system ...
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WO/2021/172023A1 |
A normal control unit (65) performs normal control (α) in which an injection apparatus (40) performs prescribed normal injection (F), and then a spark plug (50) performs ignition (I). Hereinafter, a prescribed region of a combustion cha...
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WO/2021/164811A1 |
The invention relates to a method for ascertaining a torque curve, in particular of misfires of an internal combustion engine (4), which is affected by torsional vibrations and which comprises a crankshaft (6) of a hybrid powertrain (1),...
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WO/2021/165982A1 |
The present subject matter provides a combustion engine (140) with a failure detection system (300) that is cost effective and has minimal components yet offering robust output. The system includes a first treatment device (206) and it i...
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WO/2021/165181A1 |
Disclosed is a toothed wheel forming a camshaft position sensor target. It comprises a circular body provided with two opposite main faces and is equipped with teeth on its circumference. The series of teeth comprises eight teeth, each t...
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WO/2021/165401A1 |
A method of controlling fuel injection subsequent to engine start comprising; performing the following steps: • a) at, or after synchronization, in respect of a potential upcoming firing or injection event for a particular cylinder, de...
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WO/2021/167801A1 |
Systems, devices, and methods are disclosed that during cylinder deactivation, including skipfire, at low engines speeds and low engine loads maintain adequate oil pressure of valvetrain components or hardware required for CDA and/or ski...
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WO/2021/163863A1 |
Disclosed are an engine control method and device. The method comprises: determining the switching of an engine from a fuel cut-off working condition to a fuel supply working condition (S101); then acquiring the engine speed and the engi...
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WO/2021/162389A1 |
An apparatus for controlling the injection of a reductant for selective catalytic reduction comprises: a reductant injection module which is installed in an engine exhaust pipe and injects a reductant for reducing nitrogen oxides in exha...
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WO/2021/162437A1 |
The present invention relates to an exhaust gas after-treatment system for after-treatment of an exhaust gas. The exhaust gas after-treatment system according to an embodiment of the present invention comprises: a diesel particulate filt...
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WO/2021/163267A1 |
A system includes a reciprocating piston engine configured to output torque to drive a load. The system includes an engine speed sensor operatively coupled with the engine and configured to output an engine speed signal. The system inclu...
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WO/2021/156541A1 |
An apparatus (500) for measuring aerosol particles (PO) comprises: • - a charging unit (100) to form charged particles (P1) by charging particles (PO) of an aerosol sample flow (FG1) by diffusion charging, and• - a collecting unit (2...
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WO/2021/156409A1 |
Disclosed is a method for purging oxygen, during injection restart, in an exhaust catalyst of a motor vehicle provided with a direct injection and spark-ignition internal combustion engine, comprising injecting gasoline (46) into the exh...
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WO/2021/158508A1 |
A system and method of controlling operation of an internal combustion engine are provided. The method includes performing a cylinder deactivation operation while running the engine, selecting at least one of the plurality of temperature...
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WO/2021/156237A1 |
Disclosed is a method, for a direct injection engine, for dividing a fuel injection corresponding to an engine cycle into minimal sub-injections, comprising the following steps: - determination of a maximum desired number (N) of sub-inje...
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WO/2021/156056A2 |
The invention relates to a method for analysing an amount of substance (Em) which is emitted as a result of the operation of a functional unit (12, 14) of a utility vehicle. In this method signals (S_sen), which are generated independent...
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WO/2021/156434A1 |
Injection device (2) for a heat engine (6), comprising: - a flowmeter or a pressure or speed sensor (3) designed to be positioned in or in communication with an intake manifold (4) and designed and/or programmed to provide a measurement ...
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WO/2021/158461A1 |
The present disclosure relates to improvements in turbocharger efficiency and more particularly to a method and system for estimating the efficiency loss of a turbocharger. The method comprises the steps of monitoring a plurality of oper...
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WO/2021/158270A1 |
A fueling system comprising a high pressure fuel pump including a fuel inlet and a fuel outlet, a fuel rail positioned downstream of the high pressure fuel pump, a fuel outlet line coupling the high pressure fuel pump to the fuel rail, a...
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WO/2021/155879A1 |
The invention relates to a method for starting an internal combustion engine by means of a belt drive with a belt-type starter generator in a vehicle, in which method the belt-type starter generator (2) is electrically energized in order...
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WO/2021/155895A1 |
An apparatus (10) for use with a combustion apparatus (20) and an associated Selective Catalytic Reduction ('SCR') device (30), comprises a temperature sensing device (40) configured to measure the temperature of an exhaust (25) from the...
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WO/2021/154393A1 |
A method includes operating an engine system including a plurality of cylinders, a plurality of fuel injectors configured to provide fuel the plurality of cylinders, a compression braking system configured to selectably brake at least a ...
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WO/2021/154531A1 |
A system comprises a powertrain including an engine configured to output torque to a driveline, and an electronic control system operatively coupled with the powertrain. The electronic control system is configured to determine an engine ...
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WO/2021/152224A1 |
The invention relates to a method for controlling a powertrain comprising a controlled-ignition combustion engine, a controlled friction clutch, and a gearbox coupled to the combustion engine via the clutch, the method comprising the fol...
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WO/2021/153571A1 |
An engine according to an embodiment of the present invention is provided with: at least one cylinder; at least one piston disposed in the at least one cylinder; a plurality of fuel injection valves disposed in the at least one cylinder,...
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WO/2021/154964A1 |
A vehicle includes an internal combustion engine and an air induction system configured to provide intake air to the internal combustion engine. The air induction system includes an intake port, an air box coupled to the intake port and ...
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WO/2021/153666A1 |
The subject of the present invention relates to a control device for controlling an internal combustion engine, wherein the internal combustion engine includes: at least one cylinder 100; at least one combustion chamber 90 in which fuel ...
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WO/2021/151977A1 |
The invention relates to a system for detecting a fuel leak from a high-pressure fuel injection circuit of a diesel engine into the environment, the high-pressure fuel injection circuit comprising: - a pump, - at least one injector, - a ...
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