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JP2022018819A |
To perform EGR control with high accuracy in different control modes.A control device includes: a mode determination portion 122 determining whether a control mode of an internal combustion engine is a temperature rise control mode or an...
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JP7003777B2 |
A control device of a hybrid vehicle, the hybrid vehicle including an engine, a motor as a traveling power source, and a battery in which electric power to be supplied to the motor is charged, includes: a transient operation controller p...
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JP2022012184A |
To reduce an amount of EGR gas without degrading fuel economy performance when an excessive amount of EGR gas is introduced into a fuel reforming catalyst.A fuel reforming system comprises: a reforming injector 32 capable of injecting fu...
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JP2022012671A |
To provide an internal combustion engine control apparatus capable of suppressing deterioration of a combustion state due to an EGR device.An internal combustion engine control apparatus includes: an EGR device for introducing, into an i...
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JP6992675B2 |
A method of implementing control logic of a compression ignition engine is provided. The engine includes a injector, a variable valve operating mechanism, an ignition plug, at least one sensor, and a processor. The processor outputs the ...
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JP2022003238A |
To prevent condensate water generated or accumulated in an EGR passage from being flown into an exhaust passage all at once when EGR is started in cold time.An EGR device 21 of an engine 1 mounted on a vehicle VC comprises: an EGR passag...
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JP2021195870A |
To suppress deterioration of exhaust gas even when an abnormality has occurred in an exhaust gas recirculation device in combustion feedback control.A control device for an engine includes: air-fuel ratio feedback control means 31 perfor...
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JP6985676B2 |
To provide a new control system for a compression self-ignition engine.A control device of a compression self-ignition engine comprises a controller 100 of the engine 1, and an estimator 104 configured to receive an operation signal of t...
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JP6982449B2 |
To provide an engine control system for appropriately controlling combustion speed in a transient state of a control valve for changing a gas flow in a cylinder.An engine control system 100 for an engine 1 includes: a gas flow control va...
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JP2021188529A |
To provide a diesel engine capable of performing an air injection advantageous to improving fuel efficiency and curbing soot.A diesel engine 1 comprises: a combustion chamber 6 formed inside a cylinder 3; a fuel injector 7 which injects ...
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JP6979315B2 |
To provide an engine control device for properly controlling an EGR rate by a simple constitution irrespective of a state of an EGR device.In an engine control device 100 having an EGR valve control part for controlling an opening of an ...
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JP2021183842A |
To improve a structure and/or actuation of an internal combustion engine so as to enhance improved or more efficient actuation and service life and reduce an actuation cost.The embodiments disclosed herein relate to an internal combustio...
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JP6966912B2 |
To more efficiently warm up an engine.An engine warm-up system 100 includes: an intake flow passage 18; an electric supercharger 22; an exhaust flow passage 20; an EGR flow passage 33; an exhaust control valve 32 for opening/closing the ...
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JP6962225B2 |
To perform stable premixed compression ignition combustion in the cold condition of a supercharged diesel engine.The supercharged diesel engine includes an electric supercharger (61) to be driven by electric energy to supercharge intake ...
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JP2021173196A |
To provide an internal combustion engine control method and an internal combustion engine control device which curb generation of NOx when performing regeneration control of a particulate filter.An internal combustion engine control devi...
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JP6955215B2 |
A controller for an internal combustion engine including a plurality of cylinders, a fuel injection valve for supplying a fuel to each cylinder, an EGR passage connecting an exhaust passage and an intake passage, and an EGR valve adjusti...
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JP6955214B2 |
A control device for an internal combustion engine is disclosed. The internal combustion engine includes a plurality of cylinders, a fuel injection valve configured to supply fuel to each cylinder, an EGR passage configured to connect an...
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JP2021167587A |
To suppress deterioration of temperature rise performance and regeneration performance of a purification device when raising a temperature of and regenerating the purification device by performing fuel cut of a part of cylinders of an en...
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JP2021165546A |
To appropriately regenerate a particulate filter during a high load operation of an engine.An exhaust emission control device for an internal combustion engine includes: a waste gate valve device (17) controlling the amount of exhaust ga...
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JP6950622B2 |
To provide a method of designing a control logic of a compression ignition type engine.A control part of an engine 1 outputs a signal to each of a fuel injection part and a variable valve mechanism to make a G/F leaner than a theoretical...
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JP6950623B2 |
To provide a control device of a compression ignition type engine.A control part of an engine 1 outputs a signal to each of a fuel injection part and a variable valve mechanism to make a G/F leaner than a theoretical air-fuel ratio and a...
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JP6947118B2 |
To properly set a vane opening according to an exhaust flow rate, in a supercharger having a variable nozzle mechanism.A control device performs control processing including a step (S100) of calculating a base value of a vane opening, a ...
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JP2021156237A |
To provide a control device of an electric vehicle capable of stably supplying oxygen from an oxygen enrichment unit to a power source.A control device 1 of an electric vehicle comprises: a driving battery 2; an engine (power source) 4; ...
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JP6943673B2 |
To limit an amount of NOx and an amount of black smoke even when a request for rapidly increasing output from an internal combustion engine is issued, and suppress a decline in output.An internal combustion engine includes: a cylinder; E...
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JP6943643B2 |
Provided is a novel control device of an internal combustion engine capable of estimating an EGR rate in a transient state with high accuracy. Thus, in the present invention, unit spaces are formed by dividing a reference space of the in...
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JP6945387B2 |
A catalyst temperature is reliably maintained to be equal to or lower than a damaging temperature in accordance with an operation state of an internal combustion engine. A reference EGR rate is calculated on the basis of a speed and a lo...
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JP2021148066A |
To provide an EGR control device for an internal combustion engine, which can satisfactorily suppress combustion fluctuation according to an actual combustion fluctuation state and an ignition timing setting situation of the internal com...
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JP2021148055A |
To provide a control device capable of sufficiently securing generation amount of reformed gas.In a vehicle MV mounted with a control device 10, a reforming catalyst CT for generating hydrogen through a fuel reforming reaction is provide...
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JP2021148054A |
To provide an internal combustion engine capable of preventing discharge of NOx while efficiently lowering a combustion temperature.An engine 1 includes: an engine body 2 having a combustion chamber 7a; an oxygen separator 20 supplying o...
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JP2021143652A |
To improve the accuracy of a diagnosis, related to a diagnosis device which performs the diagnosis for detecting the deterioration of a catalyst.An internal combustion engine 90 to which a control device 10 constituting a diagnosis devic...
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JP2021134675A |
To properly reduce a NOX discharge amount without increasing a generation amount of smoke, in an engine having EGR piping and a plurality of cylinders.An engine system comprises an engine 1, a distribution adjusting valve 22 for adjustin...
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JP2021134685A |
To realize an engine with a supercharger excellent in exhaust emission control performance and operability.An engine with a supercharger comprises a turbocharger 4, an electric supercharger 5, an exhaust emission control device 6, an EGR...
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JP2021124111A |
To restrict the occurrence of a variation at the torque of a plurality of cylinders.An internal combustion engine 1 comprises a plurality of cylinders 2, a port injection valve 21, an in-cylinder injection valve 22 and EGR passages 30, 3...
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JP6920805B2 |
It is possible to control the EGR amount in a region having a wide range between advance limit ignition timing defined by knock or optimal ignition timing and ignition timing at which combustion instability is detected, making it possibl...
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JP2021113509A |
To remove foreign matter from an EGR valve even if the foreign matter caught between a valve seat and a valve element is hard or the foreign matter adhered to the valve seat or the valve element is soft and highly viscous.A foreign matte...
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JP2021113525A |
To suppress a rise of a temperature of a battery ECU mounted in the vicinity of a catalyst device while suppressing the high fuel consumption of a vehicle.A vehicle comprises; an internal combustion engine in which a catalyst device is a...
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JP2021113540A |
To achieve both the prevention of the production of condensed water in an EGR device and the prevention of the deterioration of NOx catalyst activity in a post-treatment device.An engine system comprises; a NOx catalyst 78; an exhaust em...
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JP2021110282A |
To suppress the deterioration of exhaust emission when a cylinder is paused when a catalyst temperature and a water temperature are low.There is provided a control device 100 which is employed to an internal combustion engine 1 having fi...
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JP6911503B2 |
To provide a valve device which can prevent the generation of noise.This valve device for use in EGR for mixing a part of an exhaust gas generated in an internal combustion engine and suction air to the internal combustion engine via an ...
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JP2021105352A |
To improve an effect of improving fuel economy and preventing accidental fire by finely controlling a recirculation amount of EGR gas.An intake air temperature is adopted as a factor for controlling a recirculation amount of EGR, and whe...
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JP6907157B2 |
A method of operating an internal combustion engine, said method comprising, at each current engine cycle: using an ignition system, igniting the fuel injected in the combustion chamber (1) at an end portion of a compression stroke of th...
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JP2021102952A |
To properly inhibit destabilization of combustion of an air-fuel mixture when deceleration is requested, in controlling an operation of an internal combustion engine in which an outlet of an EGR passage is connected to a downstream side ...
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JP6892324B2 |
To relatively increase an opportunity to obtain a fuel efficiency improvement effect through EGR.An internal combustion engine control device comprises: an intercooler 13 which cools intake air; an EGR passage 21 which returns a portion ...
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JP6890840B2 |
To provide a control device of an internal combustion engine capable of improving combustion for countermeasures against exhaust gas while using an inexpensive fuel.A control device of an internal combustion engine includes a main fuel s...
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JP6887723B2 |
To detect such destabilization of combustion as not resulting in misfire in any of cylinders of an internal combustion engine.A device for controlling an internal combustion engine measures each value that suggests a heat generation amou...
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JP6888378B2 |
To effectively remove condensed water by scavenging an EGR device.An engine system comprises: a non-load traveling state detection part 110 for detecting a non-load traveling state under which a vehicle is traveling with a non-load of an...
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JP6881162B2 |
To provide a control unit of a hybrid vehicle, which can prevent condensed water flowing into a combustion chamber from flowing back to an intake passage to be attached to an injection valve.A control unit 100 includes an engine control ...
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JP6881222B2 |
An internal combustion engine includes a filter, which is configured to trap particulate matter in exhaust gas, an EGR passage, which connects a section of an exhaust passage that is upstream of the filter to an intake passage, and an EG...
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JP6879901B2 |
To provide an internal combustion engine and a control method for the internal combustion engine capable of determining the necessity of cleaning of an EGR cooler at appropriate timing without being affected by an unexpected increase/dec...
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JP6882274B2 |
A descaling system includes injector arranged to inject cleaning fluid over an inlet for inflow of a fuel-air mixture of an internal-combustion engine and a controller that opens or closes the engine's EGR valve according to parameters o...
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