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JP2024036011A |
An object of the present invention is to appropriately control the opening degree of an exhaust throttle valve. [Solution] The exhaust purification device includes a throttle valve installed in a path through which exhaust gas discharged...
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JP7449890B2 |
A supercharger abnormality determination device (24) for determining an abnormal state of a supercharger, the supercharger abnormality determination device comprising: a supercharger rotational speed acquisition unit (28) configured to a...
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JP7448892B2 |
To effectively avoid occurrence of abnormal sound or vibration due to combustion instability of a fuel at the time of start-up of an internal combustion engine.Provided is a control device that controls an internal combustion engine and ...
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JP2024034021A |
An object of the present invention is to provide a device that can reliably reduce the pressure in a common rail in a configuration using a normally closed type pressure reducing valve even when an abnormality occurs in a drive IC or the...
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JP7449067B2 |
To provide a method for detecting water in fuel.Fuel injection devices (2, 3) are configured to inject fuel into a combustion chamber (4) of an internal combustion engine (1). Water contained in the fuel affects an opening delay time and...
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JP7449412B2 |
The present invention relates to a method and device for controlling an internal combustion engine configured to burn fuel including one or more fuel components. A sensor (15) measures at least two physical fuel parameters of fuel to be ...
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JP7449219B2 |
To lighten an operation load of execution of time synchronization processing and rotation synchronization processing on a controller for an internal combustion engine.An electronic controller 240 for an internal combustion engine compris...
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JP7448461B2 |
To suppress influence due to the individual difference of response delay characteristics of a fuel injection valve, in an internal combustion engine that is weakly stratified by main injection and a small amount of stratification injecti...
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JP7447750B2 |
To improve controllability of a throttle opening of a supercharged engine.A maximum supercharging region upstream pressure PMC, a maximum natural intake region load factor KMN, and a maximum supercharging region load factor KMC are calcu...
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JP2024029874A |
[Problem] To suppress the occurrence of backfire during supercharging. [Solution] In an internal combustion engine 10 that includes a cylinder 11 in which a mixture of gaseous fuel and intake air is combusted, an intake passage 12 connec...
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JP7444126B2 |
To provide a control device for an internal combustion engine capable of suppressing deterioration of fuel consumption efficiency with a guarantee of a front-rear differential pressure of a constant or higher EGR capable of re-circulatin...
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JP7443775B2 |
To provide a fuel tank device which can inhibit air from being mixed into a fuel while preventing an engine from being stopped by a shortage of the fuel to be supplied from a reservoir cup to the engine.Each of fuel tank devices 1, 201 i...
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JP7444058B2 |
A driving-side rotating body that rotates synchronously with a crankshaft of an internal combustion engine, a driven-side rotating body that is allowed to rotate relative to the driven-side rotating body and that rotates integrally with ...
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JP7444081B2 |
A controller for an internal combustion engine includes processing circuitry that executes a richening process until an exhaust sensor detects exhaust gas having a rich air-fuel ratio. The processing circuitry executes an air supplying p...
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JP7444103B2 |
A controller (70) and a control method for a hybrid electric vehicle are provided. An internal combustion engine (10) and a first rotating electric machine (52) are capable of applying power to a driven wheel (60) via a power split devic...
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JP7442267B2 |
To provide a control device for an internal combustion engine capable of inhibiting engine speed from becoming lower than speed to be maintained during coasting deceleration.A control device for an internal combustion engine mounted to a...
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JP2024027920A |
An object of the present invention is to estimate the occurrence of abnormal combustion before the abnormal combustion starts in an engine. [Solution] An engine 1000 includes a cylinder 110, a piston 120, an ignition device 140, a rotati...
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JP7441161B2 |
To provide a control device for a variable valve timing mechanism capable of specifying a faulty portion when a motor rotating angle sensor and a power supply circuit, etc. are out of order.A control device for a variable valve timing me...
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JP7439655B2 |
To provide an engine control method and an engine control device capable of curbing generation of abnormal noise due to an abrupt increase in pressure inside a cylinder.A control device 50 of an engine 100 is configured to: acquire an op...
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JP2024026736A |
An object of the present invention is to provide a control device for an internal combustion engine 10 that is capable of suppressing a decrease in the NOx purification rate due to the termination of a temperature increase process that t...
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JP7439704B2 |
When a vehicle is in a traveling state having a low necessity to quickly increase required traveling torque, high-rotational-speed engine starting unit that reduces an emission amount of particulate matter emitted during engine starting ...
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JP2024024302A |
An object of the present invention is to provide a vehicle control system that can appropriately compensate for a decrease in driving force due to stop processing. A vehicle control system is applied to a vehicle equipped with an engine ...
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JP7437341B2 |
Provided is an air-fuel ratio control device that improves availability by extending a yield temperature range in the feedback control of an excess air factor.　The air-fuel ratio control device comprises an activity determination unit ...
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JP7435653B2 |
To finish raising the temperature before a user uses a vehicle.A post-processing acceleration apparatus comprises: a post-processing device for reducing nitrogen oxide included in an exhaust gas discharged from an engine; a heater 13 whi...
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JP7435414B2 |
To provide an engine system that executes CI combustion according to an engine load and an engine rotation speed, and achieves both improvement of fuel economy and improvement of combustion stability.If a rotation speed is a first engine...
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JP2024507868A |
A method of controlling a fuel injector, the injector including an electrically controlled actuator, the actuator controlling the needle valve by movement of a needle to and from a valve seat of the needle valve. The method is configured...
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JP7435517B2 |
A control device of an internal combustion engine including an electronic control unit configured to execute: a base injection amount calculation process of calculating a base value; an injection valve operation process of operating the ...
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JP7435871B1 |
An object of the present invention is to reduce the amount of work required to pump fuel when restarting an engine. [Solution] An engine control device 20 includes an injection control unit 221 that stops injection of fuel from an inject...
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JP2024021504A |
An object of the present invention is to provide a control device for an internal combustion engine that can reduce PN emissions at low temperatures. [Solution] The internal combustion engine control device of the present invention lower...
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JP2024020875A |
An object of the present invention is to provide a control device for an internal combustion engine that can suppress the frequency of occurrence of knocking. [Solution] In a control device for an internal combustion engine that has an E...
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JP7431512B2 |
Provided is an internal combustion engine control unit that controls an engine by detecting combustion characteristics with a simple configuration robust to disturbance such as noise. Therefore, the internal combustion engine control uni...
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JP7431882B2 |
To provide a throttle control system capable of achieving proper and strong engine brake in a multi-cylinder engine.In a throttle control system (1), a plurality of throttle valves 12 are allocated to any of a plurality of systems includ...
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JP7431381B2 |
A processor (B705, B706) of a control device for an internal combustion engine 1 operates a first combustion timing (MFB 50) or a first combustion period (IG 100_1) in a cylinder of the internal combustion engine 1 from a crank angle det...
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JP7430805B2 |
A method for operating an internal combustion engine of a motor vehicle, where the internal combustion engine includes a combustion chamber and a prechamber spark plug which is assigned to the combustion chamber and which has a prechambe...
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JP2024017159A |
An object of the present invention is to provide an engine control device that suppresses variations in shock to a vehicle when returning from a fuel cut. [Solution] When the engine speed of the engine mounted on a vehicle drops to below...
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JP7428066B2 |
To hold a state that ignition timing is retarded while stabilizing a rotation number of an engine at the warmup of a purification device, to smoothly finish the warmup when finishing the warmup of the purification device, and to suppress...
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JP2024015699A |
[Problem] In an engine equipped with an oil jet device, when abnormal combustion such as pre-ignition occurs (when the cylinder pressure increases abnormally), the piston is damaged first (that is, before the connecting rod, etc.). To pr...
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JP2024013827A |
The present invention improves detection accuracy in a multi-cylinder engine unit that detects air-fuel ratio imbalance between cylinders using fluctuations in the rotational speed of a crankshaft. [Solution] In a multi-cylinder engine u...
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JP2024013724A |
[Problem] To estimate the storage distribution of sulfur components in a NOx storage reduction catalyst with high accuracy. A vehicle includes an engine, a NOx storage reduction catalyst provided in an exhaust flow path connected to the ...
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JP2024014198A |
When condensed water accumulates on the upstream side of an exhaust sensor in an exhaust passage, the condensed water comes into contact with a high-temperature exhaust sensor, causing damage to the exhaust sensor. [Solution] Before the ...
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JP7425923B2 |
The present invention calculates the rotation speed or rotation time for a certain angle of a crank shaft on the basis of the variation in detection signals from a sensor of the crank shaft. Further, the present invention acquires inform...
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JP7424732B2 |
To attain stable combustion with charging efficiency improved, upon accelerating evaporation of fuel with an internal EGR in a direct-injection engine.At the end of an exhaust stroke, an internal EGR generation region is provided in whic...
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JP7424196B2 |
To hold a retardation amount of ignition timing in a further favorable state at the warmup of a purification device.In the case that expansion stroke injection warmup for injecting fuel from an in-cylinder injection valve while being ign...
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JP7423148B2 |
To appropriately correct a limit value of a retard angle amount of ignition timing, to maintain performance of an internal combustion engine and drivability of a vehicle over a middle-long period.A controller of an internal combustion en...
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JP2024011255A |
The present invention relates to an internal combustion engine system including an internal combustion engine equipped with a supercharger, and a control method for the internal combustion engine, in which the effects of delays in starti...
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JP2024010982A |
The present invention suppresses deterioration of exhaust emissions due to the influence of hydrogen by executing appropriate air-fuel ratio control according to the activity of a catalyst. [Solution] An exhaust purification device for a...
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JP7420087B2 |
An exhaust gas purification system of the present disclosure includes a first exhaust gas purification device that purifies exhaust gas discharged from an internal combustion engine and a second exhaust gas purification device that addit...
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JP7418930B2 |
To further optimize fuel injection amount in a transition period in which an exhaust temperature or exhaust pressure fluctuates when controlling an internal combustion engine with an exhaust gas recirculation (EGR) device.In a control de...
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JP7418936B2 |
To appropriately control a discharge flow rate of a pump for causing a refrigerant of an internal combustion engine to flow and further improve fuel economy while appropriately suppressing occurrence of knocking in a cylinder.A control d...
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JP7415887B2 |
To improve fuel consumption performance by changing over earlier from flame propagation combustion to compression ignition combustion.A controller (an ECU 10), in the case that an engine speed is a first engine speed under a first engine...
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