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WO/2021/060170A1 |
This engine control system controls a work machine comprising an engine, a fuel injection device that injects fuel into the engine, and a hydraulic pump driven by the engine. A rotational state quantity identification unit identifies a r...
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WO/2021/061300A1 |
A controller associated with an engine monitoring system may determine a voltage value concerning at least one supercapacitor associated with the engine monitoring system. The controller may selectively cause, based on determining whethe...
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WO/2021/058250A1 |
The invention relates to a method for determining the icing status of a component of the exhaust gas system of a motor vehicle that is not arranged directly in the exhaust gas mass flow and/or the supply line thereof, comprising the foll...
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WO/2021/058248A1 |
The present invention makes it possible to achieve an alternative detection of opening without additional sensor-based hardware and identification of the flow error of the injectors by utilising the injector properties (with respect to b...
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WO/2021/062334A1 |
Methods for controlling an air-to-fuel (APR) ratio in the metering of fuel to an operating internal combustion engine (ICE) are provided using software-implemented logic controls to enable the determination of one or more of a maximum-po...
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WO/2021/052763A1 |
The invention relates to a method for post-injection diagnostics of an injection system (100), wherein the method comprises the following steps: - controlling an injector (150) during a main injection interval in order to carry out a mai...
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WO/2021/053935A1 |
The present invention forms a rich air-fuel mixture around a spark plug and suppresses exhaustion, even when the environmental conditions change. According to one aspect, the present invention provides a fuel-injection control device 150...
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WO/2021/052747A1 |
The invention relates to a method and a device for the diagnosis of a ventilation line (2), arranged between a fuel tank (1) and an activated carbon filter (3), of a motor vehicle which has a control unit (ECU) and can be operated by an ...
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WO/2021/052748A1 |
The invention relates to a method for regulating the total injection mass per operating cycle during a multiple injection operation of a fuel injector of an internal combustion engine. In the method, an injection mass difference is deter...
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WO/2021/052808A1 |
A method is proposed for adjusting richness in an internal combustion engine equipped with a catalytic converter. The richness is adjusted by a first closed-loop controller to a setpoint (Cλ) which is continuously corrected by a second ...
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WO/2021/054422A1 |
A control device 100 for a vehicle 1 in which the torque from a driving force source 10 is transmitted to driving wheels 49L, 49R by way of a clutch device 20 is provided with: an accelerator opening degree acquiring unit 120 which acqui...
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WO/2021/049575A1 |
In this internal combustion engine control device and control method, an internal combustion engine is provided with a state detection sensor that detects a prescribed state quantity that varies in accordance with the ventilation resista...
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WO/2021/048024A1 |
The invention relates to, inter alia, a method for operating an internal combustion engine (10). A main amount of gaseous fuel is supplied to a main combustion chamber (16) via a pre-combustion chamber (22). An ignition amount of gaseous...
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WO/2021/047863A1 |
One aspect of the invention relates to a method for determining a sensor error of a sensor in an exhaust gas system of a motor vehicle. One step of the method involves determining at least one actual sensor signal of the sensor. Another ...
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WO/2021/047966A1 |
The method for determining the mass of gas enclosed in a combustion chamber (2) according to the invention is based solely on the measurement of the pressure (MES P) inside the combustion chamber. The method implements a model of the com...
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WO/2021/047906A1 |
The invention concerns a determination of opening characteristics of a fuel injector in an internal combustion engine comprising a knocking sensor, capable of generating a signal representative of vibrations. The conventional knocking se...
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WO/2021/043866A1 |
Disclosed is a controller communication apparatus for a vehicle. The present invention is characterized in that a controller communication apparatus for a vehicle comprises: a first controller; a second controller; a CAN communication li...
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WO/2021/042252A1 |
A method and device for monitoring the quality of a gas. The method comprises: acquiring a volume flow rate of air and a volume flow rate of a gas (S101); determining whether a ratio of the volume flow rate of air to the volume flow rate...
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WO/2021/043500A1 |
Method for operating a control unit for an exhaust gas probe, in particular for a wideband lambda probe for an internal combustion engine in particular of a motor vehicle, the control unit being designed to electrically control the exhau...
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WO/2021/037449A1 |
Method for operating a control unit for an exhaust gas probe, in particular for a broadband lambda probe for an internal combustion engine, in particular of a motor vehicle, or for another sensor device, wherein the control unit is desig...
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WO/2021/040035A1 |
A drive control device (50) is provided with: a drive position estimation unit (52) that calculates the drive positions of actuators (13, 14, 21-24) applied to an internal combustion engine (20), and acquires, on the basis of motion char...
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WO/2021/037643A1 |
The invention relates to a method for the model-based open-loop and closed-loop control of an internal combustion engine (1), in which an emission class for the operation of the internal combustion engine is read from a library, wherein ...
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WO/2021/038807A1 |
This drive torque control method is applied upon switching of a vehicle from a driven state to a driving state, and involves: dividing, when a switching request is generated, a period until the backlash of a drive system gear is narrowed...
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WO/2021/032291A1 |
The invention relates to a method for operating an internal combustion engine system (1) comprising: an internal combustion engine (2) provided with a plurality of cylinders (31-36), each of which being provided with an air inlet valve (...
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WO/2021/032360A1 |
A method for operating an exhaust-gas sensor in an exhaust-gas section of an internal combustion engine of a vehicle, wherein the exhaust-gas sensor (10) has a ceramic sensor element (12) with at least one measuring electrode (16, 18) an...
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WO/2021/032584A1 |
The present invention relates to an apparatus for estimating engine cylinder valve lift duration, and the apparatus comprises: a pressure detection unit operable to detect the pressure in the intake manifold of a multi-cylinder internal ...
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WO/2021/033947A1 |
The present disclosure relates to a power supply device of a system contained inside a vehicle. Specifically, the present disclosure relates to a technique for implementing a switching function in place of a switching circuit which limit...
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WO/2021/035215A1 |
A system and method for dynamically deactivating engine cylinders of an engine equipped with a cylinder deactivation system, where the system and method control torsional vibration in the engine while deactivating cylinders using a compu...
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WO/2021/034259A1 |
A method (100) is disclosed of performing one or more in-cycle misfire diagnoses of the combustion of an internal combustion engine (1). The method (100) comprises obtaining (110) at least a first input value indicative of a current comb...
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WO/2021/032716A1 |
The invention relates to a method for diagnosing a leakage, having the following steps: - influencing the gas feed line along a crankcase aeration line (51) into a crankcase (25) of an internal combustion engine (100); - detecting a meas...
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WO/2021/032467A1 |
The invention relates to a method for operating a high-pressure pump (1) in a fuel system of an internal combustion engine, wherein a controllable electrical suction valve (3) is used for filling a pump element chamber (2) of the high-pr...
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WO/2021/028364A1 |
The invention relates to a method for the diagnosis of an injector leak in an internal combustion engine (1), wherein at least one injector (5, 7) is actuated in order to introduce a first fuel amount into a combustion chamber (3) of the...
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WO/2021/028147A1 |
Disclosed is a processing method of a camshaft sensor (1) comprising a toothed wheel (2), rotationally secured to a camshaft, rotating in front of a stationary sensitive element (3) capable of emitting a signal indicative of the profile ...
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WO/2021/023741A1 |
A system (2) comprising (i) a vehicular compression ignition engine (1) comprising one or more engine cylinders and one or more electronically-controlled fuel injectors therefor; (ii) an exhaust line (3) for the engine comprising: a firs...
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WO/2021/025666A1 |
The present disclosure relates to a method for controlling pressure of an engine, including a controller structured to implement the method and an engine system including the controller. More specifically, the present disclosure relates ...
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WO/2021/025223A1 |
The purpose of the present invention is to provide a trigeneration system using dimethyl ether (DME), wherein the system produces electricity, controls heating and cooling, and supplies carbon dioxide as a fertilizer by driving a DME eng...
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WO/2021/025875A1 |
An aftertreatment system for use in a vehicle that includes an engine comprises: a selective catalytic reduction system configured to decompose constituents of an exhaust gas generated by the engine, a reductant insertion assembly config...
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WO/2021/018933A1 |
The invention relates to a method for determining a grade of a fuel, in which method a closing duration of an armature of a solenoid valve, which armature moves through the fuel, is measured for several activation durations in order to o...
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WO/2021/018875A1 |
The invention relates to a method for operating a motor vehicle having combustion chambers, the method having the following steps: - closing the combustion chambers of the motor vehicle towards the exhaust tract by bringing outlet valves...
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WO/2021/018840A1 |
The invention relates to a method for monitoring a fuel supply system (3) of an internal combustion engine (1), wherein a first pressure value in the fuel supply system (3) in the region of a prefilter (9) and upstream of a low-pressure ...
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WO/2021/011977A1 |
The invention relates to a method for operating an internal combustion engine with at least one gas exchange opening per cylinder, with at least one fuel injector, with at least one exhaust gas turbocharger (7) having an exhaust turbine ...
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WO/2021/013887A1 |
The invention relates to a method for diagnosing a fuel evaporation retention system of an internal combustion engine having an engine controller and a pressure and temperature sensor system, in which method in order to test the leakproo...
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WO/2021/014466A1 |
A system for improving vehicle performance comprising a prime mover for providing required power to drive the vehicle; a control unit in connection with the prime mover; wherein the control unit is configured to control the prime mover d...
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WO/2021/011459A1 |
A gasoline particulate filter (GPF) diagnostic technique utilizes an upstream temperature sensor arranged at an upstream point relative to a GPF brick that the GPF is configured to house and configured to measure an upstream temperature ...
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WO/2021/010299A1 |
This exhaust purification apparatus for an internal combustion engine 1 comprises: a first oxidation catalyst 22 and a second oxidation catalyst 23 provided to an exhaust passage 4 in the stated order from an upstream side; and a control...
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WO/2021/005344A1 |
The invention relates to a hydrogen fuelled internal combustion engine (8) having: a cylinder block (26) containing at least one cylinder (16); a piston (18) defining a combustion chamber (12) in the cylinder; an air intake comprising an...
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WO/2021/004647A1 |
An exhaust gas recirculation ejector system for an engine that includes an air conduit coupled to an engine providing charge air to the engine. The air conduit includes at least one bend formed therein. The at least one bend includes a p...
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WO/2021/007103A1 |
A system for controlling operations of an engine comprises a plurality of cylinders and a controller operatively coupled to each of the plurality of cylinders. The controller is configured to determine an operating condition of the engin...
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WO/2021/004911A1 |
The invention relates to a combustion method for an internal combustion engine, in which combustion method a fuel mixture (DME, methane) of a first fuel containing dimethyl ether and a second fuel containing methane is burned, the premix...
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WO/2021/004574A1 |
An internal combustion engine (1) comprises a crankshaft (2), at least one camshaft (3, 4) which is adjustable electromechanically by means of an actuating gearing (9, 10), an engine control unit (21), and a camshaft control unit (17) wh...
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