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Document Title |
JP4116448B2 |
A fuel injection valve in which a pistonlike outer valve needle is disposed longitudinally displaceably in a bore and cooperates with a valve seat to control at least one injection opening. A control chamber regulatable by a valve is pro...
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JP4116553B2 |
A method for avoiding an injector orifice internal coking of the spray orifices of a multi-orifice fuel injector of a direct injection internal combustion engine, e.g., of a motor vehicle, is provided. Fuel is injected into a combustion ...
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JP2008523318A |
A fuel injection valve with a valve member axially displaceable in a bore of a valve body comprises a valve stem, the combustion chamber end, with which it interacts with a valve face of the valve body, at least one injection opening dow...
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JP4111106B2 |
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JP4110824B2 |
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JP4106055B2 |
The method involves a homogeneous engine operating mode in which the fuel injection is arranged so that first and second sub-quantities are introduced in an induction stroke, a third is introduced during a compression stroke and ignition...
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JP4103583B2 |
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JP4103291B2 |
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JP2008133752A |
To provide a fuel injection nozzle capable of improving fuel consumption and exhaust.In the fuel injection nozzle 1A, a needle valve 20 is stored in a nozzle body 10 provided with an injection hole 12 reciprocatably along a central axis ...
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JP4099738B2 |
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JP4096834B2 |
An engine fuel injection control system is configured to alleviate the torque fluctuation that occurs due to deviation in a pilot injection timing when the excess air ratio is changed suddenly from lean to rich. When the excess air ratio...
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JP2008121426A |
To provide a fuel injection control device of an internal combustion engine capable of suppressing variation of fuel injection quantity at a time of feed pressure injection even when pulsation is generated in a fuel pressure when a plung...
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JP2008121429A |
To achieve diffusion combustion in a gasoline engine with a simple structure, and to prevent degradation of exhaust performance of smoke or the like.This cylinder direct injection type internal combustion engine is provided with: a fuel ...
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JP4092446B2 |
To improve stability of compustion and emission of exhaust gas by properly polarizing a combustible air-fuel mixture aroung an ignition plug. An injection period θ all (deg) is set as a crank angle (S4), and it is converted into an inje...
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JP4093074B2 |
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JP4081927B2 |
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JP4083571B2 |
A fuel injection control system (10) and method for delivering multiple fuel injections to a cylinder of an engine (12) during a fuel injection event based upon engine operating conditions, the control system (10) including an electronic...
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JP2008095660A |
To provide a control device for suppressing increase of an emission amount of unburned fuel and generation of smoke by preventing injection of additional fuel more than a necessary amount, in a cylinder injection type spark ignition inte...
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JP4078779B2 |
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JP4078874B2 |
A pressure-elevating type fuel injecting system pressurizes high pressure fuel from a pressure accumulating chamber using a pressure-elevating mechanism and injects the pressure-elevated fuel into combustion chambers by injectors. The pr...
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JP4076142B2 |
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JP4075635B2 |
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JP4075827B2 |
To solve the problem wherein combustion at the start of rich spike control is deteriorated due to response delay of fuel injection pressure to generate smoke. In a diesel engine including an NOx trap catalyst, the exhaust emission contro...
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JP4075511B2 |
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JP4069137B2 |
The present invention relates to an injection nozzle ( 1 ) for an internal combustion engine, in particular in a motor vehicle. A first nozzle needle ( 3 ) controls at least one first injection opening ( 5 ). A second nozzle needle ( 4 )...
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JP4069767B2 |
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JP4066783B2 |
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JP4061982B2 |
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JP2008057462A |
To provide a control method for a common rail type fuel injection device, maximally exerting exhaust cleaning effect or the like by pilot injection while avoiding adverse effect of the pilot injection upon main injection in operation of ...
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JP2008050975A |
To provide technology surely improving startability in an internal combustion engine executing auxiliary pre-injection before main-injection in cold start of the internal combustion engine.In the internal combustion engine executing pre-...
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JP4055330B2 |
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JP4055292B2 |
To produce the solid injection by injecting the fuel, while dividing the required fuel injection amount in a compression stroke into several times including approximately shortest valve close periods determined on the basis of the charac...
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JP4058349B2 |
The present invention is directed to a solenoid valve for controlling a fuel injector in an internal combustion engine, having an electromagnet, an armature having an armature pin which is movably supported with respect to the electromag...
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JP4058240B2 |
An internal combustion engine having a compressed air assisted fuel injection system. The injection system has a compressed air accumulator with a first aperture into the cylinder of the engine and a second aperture into the crankcase of...
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JP4057701B2 |
A hydraulically actuated fuel injector includes an injector body defining an actuation fluid chamber that opens to an actuation fluid drain, an actuation fluid inlet and a piston bore, and further defining a nozzle chamber that opens to ...
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JP4052116B2 |
To provide an internal combustion engine capable of performing lean combustion, and generating less nitrogen oxide in exhaust gas. This engine includes a cylinder 142, a piston 144, and a first fuel injection portion 15 which can inject ...
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JP4051847B2 |
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JP2008038601A |
To suppress an increase of smoke without increasing combustion noise when switching an injection hole for injecting fuel, from a small injection hole to a large injection hole concerning a fuel injection control device for an internal co...
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JP2008032029A |
To provide a method and a device for improving exhaust gas characteristics and minimizing complexity and cost in internal combustion engine.In this internal combustion engine, cylinders are allocated to at least two banks, and the cylind...
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JP4047809B2 |
The current guided to the piezo actuator and the voltage which is consequently established thereon is used for calculating with the help of a non-linear actuator model, the characteristics of the longitudinal variations (s) and the force...
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JP4046611B2 |
Method of controlling the injection of a fluid into an internal combustion engine, comprising a piston reciprocating in a cylinder between top and bottom dead center points, and a nozzle arranged in the cylinder. The method includes inje...
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JP4042017B2 |
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JP2008014207A |
To provide a fuel injection device for an engine capable of preventing knock sounds by rapidly decreasing a common rail pressure without influencing an engine power performance and so on.The fuel injection device for engine includes: a f...
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JP2007332815A |
To provide a control unit of a diesel engine capable of suppressing generation of smoke while reducing NOx by performing low-temperature combustion by a large quantity of EGR (exhaust gas recirculation), and further performing a high deg...
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JP2007332783A |
To provide a method capable of performing supply of fuel without excess fuel injection quantity at actual fuel injection timing. In the fuel supply method for an engine, an engine controller 41 includes processing procedures of calculati...
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JP4023665B2 |
To provide a piezo-actuator control device and a piezo-actuator control method in which an energy of piezo-stack is retained at constant even in the case where the piezo-stack is switched to charging during discharging. A voltage of the ...
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JP4024314B2 |
A fuel device including a high-pressure fuel source from which fuel is supplied to fuel injection valves. The fuel injection valves are controlled with the aid of a valve that is driven by a piezoelectric or magnetostrictive drive mechan...
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JP2007321582A |
To maintain high controllability, even when a minute amount of fuel is injected by using a fuel injection valve with nozzle needle opened as an object to be operated, along with attraction by an electromagnetic force of a valve to an ele...
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JP2007321591A |
To suppress increase in temperature near an injection hole of an injector for cylinder injection so as to suppress generation of deposit near the injection hole. An ECU 15 performs main fuel injection for injecting fuel into a combustion...
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JP4020048B2 |
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