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WO/1993/024740A1 |
During low speed operation of a turbocharged engine (10) the transient response time of the engine from low speed and low loads to high speed and high loads is slow because of the slow response time to raise the boost pressure level from...
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WO/1993/008394A1 |
An apparatus and method for controlling the boost pressure of air delivered to a gas fuelled internal combustion engine (10) from air compression means (32) such as a turbocharger. An engine management system (EMS) (20) controls a spark ...
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WO/1993/005289A2 |
The combination of an intake air supply system with an internal combustion engine (10) having a charge air cooler, a cylinder charging air intake and an exhaust discharge is provided. The intake air supply system includes a Roots-type po...
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WO/1992/015778A1 |
An internal combustion engine (10) calibrated to operate in a lean burn mode comprising means for supplementing the total output torque, in at least part of the speed/load range, without enriching the mixture beyond the lower limit of le...
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WO/1992/014919A1 |
A system (100) for controlling operational modes of an engine (102) including valve and injection events, in which the engine (102) comprises a plurality of cylinders (104) having an intake and exhaust valve (220, 222), an injector (224)...
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WO/1992/013182A1 |
A system for significantly expanding the power range of an automobile engine (1), with improved fuel economy in the basic mode of operation, quick change-over to the supercharged mode and reduced emissions when running in that mode, empl...
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WO/1991/010064A1 |
In the subject invention an electronic control unit (12) is used to control the air/fuel ratio in an engine combustion chamber (46) in response to sensed engine parameters. More particularly, a magneto interface (106) produces an ignitio...
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WO/1991/008389A1 |
In order to be able to modify in a simple manner the response of a supercharged internal combustion engine as a function of the engine load, an arrangement is proposed in which the driver is given the possibility of regulating the charge...
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WO/1990/015921A1 |
In a fuel injection system for an internal combustion engine, the system calculates the pulse width of the angle-synchronous fuel injection pulses from a main load sensor, such as an inlet manifold pressure sensor (22) or a hot film or h...
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WO/1990/012208A1 |
The invention concerns a process for controlling engine knock in an internal-combustion engine, in which, when a cylinder knocks, the ignition point is retarded and subsequently reset to the original value. With turbocharged engines, it ...
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WO/1989/012739A1 |
Device for limiting the exhaust gas temperature in an internal combustion engine consisting of a thermoelement (2) protruding into the engine exhaust manifold (1) and an electronic control unit (3) connected thereto, which is disposed to...
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WO/1989/005393A1 |
A fuel injection control apparatus for a supercharged diesel engine according to the present invention is adapted to prevent the generation of black smoke in an exhaust gas by injecting a suitable quantity of fuel, which corresponds to a...
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WO/1989/003476A1 |
The engine is characterized by an axial group of two cylinders (2, 7) communicating by means of a channel (22) situated in the cylinder head (20). Both cylinders (2, 7) joined side to side allow for a centralization of both crankshafts (...
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WO/1987/002417A1 |
An arrangement in a throttle-controlled internal combustion engine (1, 2) equipped with a supercharger which has the form of a compressor (10) provided with screw rotors (14, 15) arranged in a compression chamber. The supercharger is ina...
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WO/1985/003552A1 |
A control system for an auxiliary gaseous fuel supply system (36) for an internal combustion engine utilizing a primary liquid fuel supply (14) includes a pressure regulator (40) that is controlled by two pressure signals generated in re...
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WO/1981/002323A1 |
Method for generating a reference signal in a knock detector connected to an internal combustion engine (1), the output signal of which represents the degree of knocking in the engine (1). For the purpose of obtaining a simple reference ...
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WO/1981/001171A1 |
Method of avoiding abnormal combustion, so-called knocking, in an internal combustion engine (1, 10) preferably an Otto-type engine, in which engine a transducer (2, 30) is arranged for sensing a parameter dependent on the engine combust...
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WO/1980/002725A1 |
Regulating device for a valve disposed in the air charge duct of a combustion engine supercharged particularly by means of a pressure wave supercharger. The valve is in its closing position during the starting phase of the combustion eng...
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JP2024071255A |
To prevent freezing inside an intake pipe downstream of an air cleaner. [Solution] A hybrid vehicle includes an engine, a first motor capable of generating electricity using power from the engine, a second motor capable of outputting pow...
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JP2024070601A |
The present invention aims to reduce air pollutants in exhaust gas. [Solution] An internal combustion engine control device 10 controls an internal combustion engine 1 equipped with multiple cylinders #1 to #4 and a three-way catalyst 32...
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JP2024070606A |
The present invention aims to reduce air pollutants in exhaust gas. [Solution] An internal combustion engine control device 10 controls an internal combustion engine 1 having a plurality of cylinders #1 to #4 and a three-way catalyst 32 ...
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JP7489007B2 |
To provide a function of an exhaust brake without complicating a system while suppressing a cost.An engine system comprises: a supercharger including a turbine which is driven by the exhaust emission of an engine body, and a variable noz...
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JP7486904B2 |
To appropriately secure power performance of a vehicle mounted with an internal combustion engine with a supercharger when the vehicle climbs up a slope.An internal combustion engine control device is to control an internal combustion en...
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JP2024067707A |
An object of the present invention is to provide a control device for an internal combustion engine that is capable of stable combustion. A control device for an internal combustion engine having a fuel injection valve that injects fuel ...
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JP7484497B2 |
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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JP7475109B2 |
To provide an operation method enabling a binary fuel large-sized diesel engine to be operated in at least about 100% of an entire load without substantially increasing an amount of discharging of contaminated substance even under not-pr...
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JP2024056157A |
An object of the present invention is to suppress misfires in an internal combustion engine due to delayed response of boost pressure. [Solution] In an internal combustion engine during compression self-ignition combustion, when increasi...
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JP7468383B2 |
To reduce EGR amount at appropriate timing.A control device 200 for controlling an internal combustion engine (engine 1) is configured to control a supercharger 30 so as to cause boost pressure to come close to target boost pressure. The...
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JP7468095B2 |
To prevent abnormal sound from generating in an intake passage when performing imbalance diagnosis.A control device executes an imbalance diagnosis repeating treatment in which imbalance diagnosis to diagnose variation in an air-fuel rat...
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JP2024515824A |
Combustion system control method, combustion system and diesel engine, the combustion system control method is characterized in that two main fuel injections cause the spatial intensity of the entrainment action in the cylinder of two in...
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JP2024050077A |
An object of the present invention is to appropriately deal with a situation in which a vehicle is stopped and deposits attached to an in-cylinder injection valve are required to be removed. [Solution] The control device of a hybrid vehi...
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JP2024048813A |
[Problem] To terminate O2 sensor diagnosis early. A processor of a diagnostic device opens both the air blow valve and the EGR valve during fuel cut of the engine, and directs the air compressed by the compressor through the bypass flow ...
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JP2024046331A |
[Challenge] Suppress greenhouse gas emissions. [Solution] An intake and exhaust system 1 for an engine 100 includes an engine 100, an intake flow path 200 communicating with a combustion chamber 108 of the engine 100, an ammonia injectio...
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JP7449889B2 |
This supercharger abnormality sign determination device for determining a sign of an abnormality state of a supercharger, is provided with: a load parameter acquisition unit that acquires time-series data of a load parameter of an engine...
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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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JP2024030954A |
A control device and a control method capable of suppressing resonance of a damper device without deteriorating drivability are provided. A control device includes a determination unit that determines whether or not a damper device provi...
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JP2024029873A |
An object of the present invention is to create a map of the opening degree of a nozzle vane that takes into account the impact of exhaust gas on an air-fuel ratio sensor. [Solution] A step (S30) of performing imbalance operation in whic...
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JP2024031554A |
An object of the present invention is to suppress deterioration of emissions in a supercharging region and a scavenge region. [Solution] When in the supercharging region and in the scavenge region, the timing at which the exhaust valve i...
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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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JP2024025842A |
[Problem] To quickly warm up an internal combustion engine 2 before starting the internal combustion engine 2 and to reach a higher temperature in a series hybrid vehicle. In a series hybrid vehicle, an internal combustion engine 2 that ...
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JP7439736B2 |
To suppress supercharging pressure from excessively rising.An engine system 1 includes: an engine 10; a supercharger 30 for supercharging the engine 10; and a control device 200 for setting an upper limit injection quantity for the engin...
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JP7435315B2 |
To accurately control the amount of EGR gas to be introduced to a fuel reforming catalyst.A fuel reforming system includes: a reforming injector 32 capable of injecting fuel to an EGR passage 30; a fuel reforming catalyst 33 provided on ...
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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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JP2024012521A |
The present invention aims to further increase the effect of reducing carbon dioxide emissions in a reciprocating engine that uses ammonia as fuel. This reciprocating engine system includes a cylinder that forms a combustion chamber, a p...
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JP7424436B1 |
An object of the present invention is to provide an exhaust gas control device that can accelerate the increase in catalyst temperature during warm-up and can suppress a decrease in catalyst temperature after warm-up. [Solution] The exha...
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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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JP2024502858A |
A method for operating a two-stroke piston engine (1) includes the steps of supplying liquefied gas fuel to each cylinder (2) of the engine (1) and at least one fuel injection nozzle ( 23) injecting fuel in liquid phase into each cylinde...
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JP2024009680A |
An object of the present invention is to provide a management system for an internal combustion engine that allows appropriate maintenance. [Solution] A management system for an internal combustion engine including a supercharger, includ...
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JP2024009679A |
An object of the present invention is to provide a control device for an internal combustion engine that can suppress the generation of deposits. A control device for an internal combustion engine including a supercharger, wherein the su...
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