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JP4019484B2 |
A compression-ignition type engine in which first fuel of an amount of not more than 30 percent of the maximum amount of fuel is injected in an injection timing region from about 90 degrees to about 20 degrees before top dead center of t...
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JP4013529B2 |
By setting a switching timing of switching means that connects either one of a high pressure fuel source and a low pressure fuel source to an injector earlier than a point of time when an injector finishes a high pressure fuel injection,...
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JP2007297989A |
To provide a cylinder injection type spark ignition internal combustion engine capable of securely strengthening a tumble flow of which strength is changed in accordance with kinetic energy of intake air supplied to inside of a cylinder ...
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JP4007103B2 |
A fuel injection device has a pressure accumulator (32); a pressure-blocking valve (40) which blocks outflow of pressurized fuel from a fuel injection nozzle side toward the pressure accumulator side; a fuel chamber (42) for injection co...
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JP4008351B2 |
A pumping system for a fuel injection system includes a body defining a high pressure pumping chamber, a plunger, a high pressure outlet, a high pressure fluid line connecting the pumping chamber to the outlet, a control valve along the ...
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JP2007530862A |
A fuel injection valve, having an outer valve needle cooperating with a valve seat for opening and closing at least one outer injection opening, an inner valve needle disposed in the outer valve needle and cooperating with the valve seat...
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JP2007278088A |
To provide a technique for easily detecting ignition timing of fuel by pilot injection, in a fuel injection control device for an internal combustion engine. In low-temperature start where main injection and the pilot injection performed...
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JP3996606B2 |
PCT No. PCT/IT95/00124 Sec. 371 Date Jan. 22, 1997 Sec. 102(e) Date Jan. 22, 1997 PCT Filed Jul. 21, 1995 PCT Pub. No. WO96/03571 PCT Pub. Date Feb. 8, 1996An automatic regeneration initiating method presenting, in addition to the main i...
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JP3998432B2 |
The accumulator fuel injector for a motor vehicle internal combustion engine (1) has a post injection control for injecting additional low pressure fuel from a secondary accumulator (4) through a fuel injection nozzle after the main fuel...
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JP2007270641A |
To provide an internal combustion engine in which NOx is reduced without using an EGR device. This internal combustion engine comprises a piston drive mechanism 28 and a fuel injection control means 46. The piston drive mechanism is so f...
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JP3985602B2 |
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JP3987298B2 |
In a common rail system comprised of a first accumulator storing high-pressure fuel and a second accumulator storing low-pressure fuel, additional fuel is injected when a fuel pressure in a fuel passage or in the second accumulator (low ...
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JP2007247610A |
To provide a fuel injection control device capable of preventing the fuel injection control device from being loaded and of maintaining traveling performance of a vehicle. If it is determined that injection timing (injection period) over...
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JP3981776B2 |
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JP3982508B2 |
A gas mixture temperature estimation apparatus for an internal combustion engine assumes that a pilot gas mixture (after combustion) produced by pilot injection is stagnating in an annular configuration in the vicinity of the side wall o...
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JP2007239600A |
To prevent soot from occurring due to the combustion of a liquid fuel in a multi-fuel engine in which a gas fuel and a liquid fuel are used. This multi-fuel engine 1 comprises an injector 6 for gas fuel capable of jetting the gas fuel an...
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JP2007239605A |
To perform fuel injection multiple times in one stroke at different jetting pressures without installing multiple stages of supply pumps. This fuel injection device comprises a fuel injection means 8 communicating with an accumulation ch...
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JP3977471B2 |
The method involves injecting fuel into the combustion chamber of engine. During each injection cycle the injection of fuel is completely interrupted and then restarted several times, after which a partial fuel quantity is injected until...
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JP3979286B2 |
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JP3979287B2 |
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JP2007231913A |
To provide a technique for forming uniform air-fuel mixture, in a fuel injection device for an internal combustion engine having a plurality of fuel injection valves for directly injecting fuel into a cylinder of the internal combustion ...
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JP3975695B2 |
To provide a self-ignition type engine capable of realizing a high temperature field required for activating a fuel with a minimum amount of air and reducing occurrence of fuel loss coming up with fuel activation. A fuel-air mixture inje...
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JP3975717B2 |
To provide a fuel injection control system and a fuel injection control method that improves drivability by reducing torque fluctuation and change in sound generated by an engine even when the presence/absence of pilot injection or pre-i...
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JP3975517B2 |
To generate an air-fuel mixture near an ignition plug by a fuel spray injected by a first fuel injection pulse signal and to improve the combustibility by dividing the fuel injection pulse signal in a compression stroke into a plurality ...
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JP2007224753A |
To effectively restrain the problems of an increase in HC and smoke and oil dilution, by minimizing sticking to a cylinder wall surface, by sufficiently promoting vaporization of fuel even in a cold low rotation area, in a direct injecti...
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JP3972689B2 |
The electronic control unit (10) receives inputs from a cylinder selection sensor (41), a crankshaft phase angle sensor (42), an acceleration control sensor (43) and a fuel temperature sensor (44). The unit sends actuation signals to the...
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JP3969156B2 |
To suppress smoke by properly setting an injection rate of fuel in a diesel engine or the like. Since a strong air flow occurs against a fuel injection direction when injecting fuel in an area II in a top dead center neighborhood before ...
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JP3968245B2 |
To make synchronous injection compatible with non-synchronous injection in a fuel injection system using a plunger pump. A fuel injection control device comprises an injection module 10 to inject fuel by the reciprocating motion of a plu...
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JP3966281B2 |
A fuel injection control system of an internal combustion engine which calculates the correction value for the fuel injection quantity of the second pilot injection, so as to cancel out the influence of pressure fluctuation in a fuel inj...
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JP2007211764A |
To remodel a diesel engine power generator currently under operation into a dual fuel engine capable of using biomass gas and auxiliary oil of fuel oil A and gas oil for efficient use of an internal combustion engine power generator with...
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JP2007211647A |
To suppress the occurrence of misfire during stratified combustion in a direct injection spark ignition internal combustion engine in which a fuel is jetted near the bottom dead center in the suction stroke and at the latter half in the ...
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JP3964387B2 |
A compression ignition internal combustion engine comprises a combustion chamber 16 to which air and fuel are supplied, an intake valve 19a for opening and closing a passage between the combustion chamber and an intake port 6 communicati...
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JP3957324B2 |
Methods and apparatus for controlling fuel injection pressure for fuel through a nozzle for combustion in an engine are disclosed. These include methods and apparatus for injecting the fuel at an injection pressure by means of an injecto...
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JP2007192032A |
To avoid getting unable to inject a required fuel quantity due to lowering of fuel pressure during fuel injection. It is judged that the fuel pressure is lowered beyond a predetermined value during injection when a required injection tim...
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JP3952111B2 |
To perform a fuel injection compatible to an engine operating state also when pressure of fuel supplied from an accumulator to a switching valve and an injector is not maintained to target pressure, to improve an exhaust gas characterist...
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JP3952215B2 |
To improve the starting performance of an engine by obtaining the injection rate based on the engine speed signal and the engine temperature signal, obtaining the actuating fluid pressure based on the engine speed signal and the viscosit...
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JP3952710B2 |
To stably control ignition timing and suppress NOx producing amount not more than a certain value by optimizing air-fuel mixture distribution in a cylinder for compressed self-ignition combustion. Using an air-fuel mixture injection valv...
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JP3952693B2 |
To stably execute the stratified combustion by improving a stratification degree of the air-fuel mixture in comparison with a case of one fuel injection without executing two divisional injections. In this fuel injection controller of th...
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JP3945318B2 |
To avoid reduction of the valve closing speed of a needle 3 by suppressing any pressure increase in a sack chamber 9 when the needle 3 closes a valve. A sliding shaft part 12 which is slidably fitted to the sack chamber 9 to open/close a...
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JP2007177740A |
To prevent fuel spray from left and right injection holes directed into the vicinity of an electrode of an ignition plug, from interfering (colliding) with intake valves.A fuel injection valve 18 is disposed at the peripheral edge part o...
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JP3944529B2 |
To perform main injection immediately after preliminary injection by making the effective area of an actuator piston to which the pressure in an operating chamber is applied larger than the effective area of a nozzle member to which the ...
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JP3943203B2 |
To provide a high durability enough for a high pressure fuel, by obliquely forming a stepped part acting as a supporting face of the second valve spring, to reduce the precipitous change of a diameter of a spring chamber wall part, and t...
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JP3941761B2 |
To provide a fuel injection device for an internal combustion engine for accurately controlling an injection amount to be a target value. The fuel injection device comprises a common-rail 13 and a fuel injection valve 3 connected to the ...
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JP2007162644A |
To provide a fuel injection control device capable of accurately controlling fuel injection even when a force-feed period is overlapped with an injection period.A fuel in a fuel tank 2 is pumped up by a fuel pump 6, and force-fed to a co...
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JP3936906B2 |
To provide a pilot injection control which is simple in structure and high in reliability. An ion current corresponding to combustion in a combustion chamber is input into an electronic control unit 1 by a glow plug 3 and an ion detectin...
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JP2007516373A |
A fuel system for supplying pressurised fuel to a plurality of fuel injectors (14a-14f) comprises an accumulator assembly (16) having first and second accumulator volumes (18, 20) defined within a common accumulator housing (22), supply ...
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JP2007154853A |
To provide excellent combustion state when a fuel is injected two times in the fuel injection stroke of a direct-injection gasoline engine.An engine ECU performs the program including the step (S100) of calculating the first injection-st...
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JP3933738B2 |
To provide a new means of settlement applicable to injection of an additive medium and accordingly provide a means of settlement to remove a defective point of public technology, applicable to injection of water, constituted simple and c...
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JP3932688B2 |
To provide an injector for suppressing the exhaust of nitrogen oxide by relatively simple structure, and moreover reducing an initial injection rate. A piston, for controlling the lift quantity of the nozzle needle 12 of an injector 4, i...
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JP2007515604A |
A transfer device for transferring an actuator displacement, has a housing with a first recess having a first and second plunger displaceably mounted. These plungers are actively connected via at least one transfer chamber by a fluid. Th...
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