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WO/2018/104628A1 |
The present invention relates to a method comprising the following steps: • determining a quantity of fuel to be injected, • injecting a main injection and a post-injection (Post1), • measuring the pressure (P cyl) and determining ...
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WO/2018/091781A1 |
The method for operating a piston engine (1) in a gas mode comprises the steps of introducing gaseous main fuel into a combustion chamber (19) of a cylinder (2) of the engine (1) and injecting liquid pilot fuel into the combustion chambe...
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WO/2018/069073A1 |
Disclosed is a method for determining whether a combustion process in a cylinder (10) of an internal combustion engine is being carried out. In said method, a decision as to whether or not the combustion process is being carried out is m...
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WO/2018/068997A1 |
The invention relates to a method for operating an internal combustion engine (106) having at least two cylinders (102, 103, 104, 105) for a motor vehicle comprising: determining a difference of the torque outputs of the cylinders, deter...
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WO/2018/060339A1 |
The invention relates to a method for producing an output data stream (15) with at least partial interference suppression by detecting and selectively filtering a combustion chamber signal (1) which is picked up at an internal combustion...
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WO/2018/054872A1 |
The invention relates to a method for determining combustion situations in a multi-cylinder internal combustion engine, wherein a combustion situation of a current combustion chamber charge of an nth cylinder in a working cycle is calcul...
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WO/2018/044294A1 |
Systems and methods for estimating an engine event location are disclosed herein. In one embodiment, a control system is configured to receive feedback from at least one knock sensor coupled to a reciprocating engine, estimate an engine ...
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WO/2018/041510A1 |
The present invention relates to a method (2, 2a) for detecting a deviation of an actual activation time of a gas exchange valve (110, 120) of an internal combustion engine (1) from a predefined activation time on the basis of a deviatio...
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WO/2018/029360A1 |
A method for operating a gaseous fuel internal combustion engine (10) comprising a plurality of cylinder units (26A-26D) is disclosed, The gaseous fuel internal combustion engine (10) is configured to selectively activate and deactivate ...
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WO/2018/027251A1 |
The invention relates to a method for assessing the state of an internal combustion engine (1) with multiple cylinders with a first pressure sensor (5) and a second pressure sensor (7) which are connected to an evaluation unit (2), where...
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WO/2017/217912A1 |
The present disclosure relates to a method for improving heat release evaluation at a reciprocating combustion engine. The method comprises providing a model regarding volume deviations in the combustion chamber based on a first set of d...
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WO/2017/218211A1 |
A method of controlling a fuel injector comprises measuring a pressure in a cylinder of an engine with a pressure sensor and determining at least one of a crank angle and a crank speed with a crank sensor. The method also comprises calcu...
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WO/2017/200720A1 |
A method of controlling operation of an engine, the engine comprising: a combustion unit having an exhaust conduit and one or more combustion cylinders each having a piston, a fuel injector, an intake valve and an exhaust valve leading t...
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WO/2017/196481A1 |
A system for and a method of knock detection and control for an engine utilizes a knock sensor configured to generate a knock signal indicative of a vibration of the engine caused by abnormal combustion. A controller is configured to rec...
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WO/2017/167467A1 |
A method for operating an ignition system is already known in which a primary coil of a first voltage generator is energized and the energization of the primary coil is interrupted in order to generate an ignition spark at a spark gap. F...
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WO/2017/169701A1 |
An engine device for which a flywheel housing 7 accommodating a flywheel that rotates integrally with a crankshaft 5 is arranged on one side part 303 of a cylinder block 6, wherein a housing bracket part 304, which protrudes in the direc...
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WO/2017/157580A1 |
The invention relates to a method for determining the quantity of filling components in a cylinder (1) of an internal combustion engine. The cylinder (1) is connected to an air supply (13) via an inlet valve (12) and to an exhaust gas co...
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WO/2017/155873A1 |
Sensing combustion events using a resistive based oxygen sensor exposed to exhaust gases of a periodic combustion process in a combustion engine. The oxygen sensor is disposed in the exhaust plenum of the engine and includes a metal oxid...
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WO/2017/144790A1 |
The invention primarily relates to a method for controlling the combustion in a combustion engine so as to protect same from abnormal combustion that causes vibrations in a cylinder referred to as "engine knocking", said vibrations havin...
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WO/2017/144789A1 |
The invention relates mainly to a method for controlling the combustion of a combustion engine, characterized in that said method comprises: - a step of detecting abnormal combustion generating vibrations in a cylinder, known as "knockin...
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WO/2017/134960A1 |
This internal combustion engine control device (1) is provided with a thermistor element (12a), and a thermistor element (12b) disposed in a position away from thermistor element (12a). A CPU (21) calculates the ambient temperature of an...
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WO/2017/134003A1 |
A method of calculating a residual gas mass in a cylinder (1) of an internal combustion engine, wherein the cylinder has at least one inlet valve (3) and one outlet valve (4), comprises: receiving (21) a cylinder residual gas mass base v...
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WO/2017/130527A1 |
In fuel injection control of an internal combustion engine, it is necessary to supply an optimum amount of fuel that can be completely combusted by oxygen in intake air, but the oxygen concentration in the atmosphere is affected by humid...
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WO/2017/112970A1 |
Internal combustion engine (1) comprising a control device (2), at least one combustion chamber (3) and an ignition booster (4) associated with the at least one combustion chamber (3); energy can be fed to the at least one combustion cha...
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WO/2017/112968A1 |
The invention relates to a dual-fuel internal combustion engine, having an intake valve for a gas-air mixture and an injector for liquid fuel, which are associated with a combustion chamber, and having a control device, which is designed...
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WO/2017/112969A1 |
The invention relates to a dual-fuel internal combustion engine comprising at least one combustion chamber (B1-B4). The at least one combustion chamber is paired with an inlet valve for a gas-air mixture and an injector (I1-I4) for liqui...
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WO/2017/112967A1 |
The invention relates to a dual-fuel internal combustion engine comprising at least one combustion chamber. The at least one combustion chamber is paired with an inlet valve for a gas-air mixture and an injector (I1 to I4) for liquid fue...
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WO/2017/110701A1 |
An intake mechanism (100) for an engine (10) is provided with a piping member (2) that connects an intake path and an exhaust circulation path to an intake port (13a) of a cylinder head (13) having a distribution path for distributing in...
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WO/2017/102067A1 |
The invention relates to a method for checking the association of structure-borne noise sensors (1) of an internal combustion engine (2) having a plurality of cylinders (3), which internal combustion engine can be operated in diesel oper...
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WO/2017/104098A1 |
This saddle-type vehicle comprises: an engine for vehicle running, which exhausts exhaust gas; a gas-exhaustion device including a catalyst with which the exhaust gas comes into contact so as to be purified, an internal cylinder in which...
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WO/2017/093638A1 |
Method of estimating the mass enclosed in the combustion chamber of a cylinder of a motor vehicle internal combustion engine, equipped with a means of measuring the pressure in the cylinder, with a means of measuring the angle of the cra...
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WO/2017/088967A1 |
A control method (10) for starting a combustion engine comprising at least one cylinder, a combustion cycle sensor and a counter, comprising: - a step (105) of increasing the fuel pressure by means of a first combustion mode; - a step (1...
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WO/2017/091130A1 |
Methods and devices for processing a signal generated by a sensor (7) adapted to sense pressure variations generated in a cylinder (61- 66) of a combustion engine (1) are described. The sensor is mounted on the combustion engine outside ...
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WO/2017/076450A1 |
The present invention relates to an engine control method to be used for detecting misfire in an internal combustion engine having at least one pressure sensor for in-cylinder pressure detection, and an electronic control unit, wherein t...
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WO/2017/064884A1 |
An exhaust state detection device equipped with an exhaust pipe, an exhaust sensor, and a cover. The exhaust pipe has a converging flow path wherein multiple exhaust flow paths converge into one exhaust flow path. The exhaust sensor dete...
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WO/2017/066649A1 |
Disclosed is a technique for landing a drone using a parachute. The technique includes a parachute deployment system (PDS) that can deploy a parachute installed in a drone and land the drone safely. The parachute may be deployed automati...
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WO/2017/064997A1 |
An abnormality detection device (70) that is for an engine system (1) and that detects abnormalities in a fuel vapor pipe (32) that is connected to an intake pipe (21) of an engine (10) at a section thereof that is upstream of a supercha...
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WO/2017/060062A1 |
The invention relates to a method for operating an internal combustion engine, wherein a noise characteristic variable (RM) is determined depending on a course of the measurement signal of a respective exhaust probe, which noise characte...
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WO/2017/061271A1 |
A rotational frequency detection device equipped with: a blade detection sensor (12), which is provided in the housing (8) of an intake air compressor (6) of a turbocharger that pressurizes intake air and supplies this air to an engine (...
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WO/2017/055121A1 |
The invention relates to a method for operating an internal combustion engine for a motor vehicle, having the steps of receiving measurement signals of a cylinder pressure sensor (10) and ascertaining cylinder pressure fluctuations (ZDS)...
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WO/2017/041961A1 |
The invention relates to a method for determining a cause of a fault in an injection system of an internal combustion engine (100, 200) with intake pipe injection and direct injection as injection types, wherein if, in the case of an inj...
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WO/2017/042423A1 |
Invention relates to method of determining an offset (38) relating to crank angle measurement in connection with a cylinder (12) of an internal combustion pis- ton engine (10), in which method the engine (10) is rotated and it is refrain...
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WO/2017/032915A1 |
(57) Abstract The invention controls combustion of a cylinder/s and has a controller (15) to control ignition timing and monitoring means (16) to monitor a flywheel (4) and ignition maps (13). The controller (15) is also arranged to moni...
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WO/2017/030889A1 |
An ionization detector (120) that reduces the filtering effects of the ignition coil (118) inductances by shorting an inductance of a primary winding (202) of the ignition coil (118). The ionization detector (120) includes a bias voltage...
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WO/2017/023333A1 |
The subject matter disclosed herein relates to a system and method for engine 10 control. In particular, a system 200, 280 may utilize a variable valve timing (VVT) device 62, modify a VVT profile, monitor engine 10 performance, and adju...
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WO/2017/012695A1 |
The invention relates to a method for implementation with the operation of an internal combustion engine (1), having an ignition plug (11), which is arranged on a combustion chamber (5) of a cylinder (3) of the internal combustion engine...
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WO/2017/011846A1 |
The invention relates to a method for transmitting cylinder pressure data of a plurality of cylinder pressure sensors (1) to a central arithmetical unit (2), characterized by the use of a communications system for isochronous data transm...
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WO/2017/011206A1 |
A system includes an engine control system configured to receive a first vibration signal from a first knock sensor disposed about a reciprocating engine, apply a binaural model to the first vibration signal, derive an engine health cond...
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WO/2017/009799A1 |
Method to control the combustion of a compression ignition engine (1) with reactivity control through the injection temperature; the control method provides for the steps of: establishing a quantity (Q) of fuel to be injected into a cyli...
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WO/2017/006242A1 |
An electronic ignition system for an internal combustion engine comprises an ignition coil (2) provided with at least a primary winding (3) and a secondary winding (4), a switch (6) connected to the primary winding (3) and drivable in an...
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