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JP4197350B2 |
A fuel injection device for an internal combustion engine, having two valve elements each having a hydraulic control surface acting in the closing direction and associated with a hydraulic control chamber. A control valve influences the ...
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JP4191606B2 |
The invention relates to a fuel injection valve comprising a valve body (1) inside of which an outer valve needle (5) and an inner needle (7), which is guided inside the outer valve needle (5), are situated inside a boring (3). The valve...
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JP4188539B2 |
To provide an accumulator type fuel injection device simplified in structure while realizing injection rate control corresponding to an operating state. This accumulator type fuel injection device comprises an accumulator 2 for accumulat...
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JP4187709B2 |
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JP2008280985A |
To suppress the influences of a pressure fluctuation with the opening/closing operation of a needle, on a fuel flow flowing into a nozzle hole.The fuel injection device comprises a valve body 21 in which a vertical hole (a first inner pe...
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JP2008280958A |
To provide a variable nozzle hole type fuel injection valve for reducing emission to be exhausted during low load.The fuel injection valve 1, wherein fuel is supplied from a common rail 3 which accumulates the fuel whose pressure is high...
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JP4180592B2 |
An injection nozzle (4) for an internal combustion engine includes a nozzle body (6) having a first nozzle outlet (12), a second nozzle outlet (18) and a delivery chamber (50) for fuel, an outer valve needle (10) engageable with an outer...
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JP4180278B2 |
A multi-mode internal combustion engine and method of operating the engine is provided which is capable of operating in a variety of modes based on engine operating conditions to enhance fuel efficiency and reduce emissions. The multi-mo...
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JP4178721B2 |
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JP4179150B2 |
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JP2008267207A |
To accurately estimate a fuel injection amount, in a diesel engine.In a control device 100 for a diesel engine, a temperature in a cylinder 131 of the diesel engine can be increased, before pilot injection is executed, by using thermal e...
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JP4175110B2 |
An internal combustion engine has a variable compression ratio mechanism operatable during an intake stroke to change an actual compression ratio of the engine, and is capable of correcting an amount of fuel injected into the engine in r...
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JP4172382B2 |
To provide a fuel injection control device of an internal combustion engine capable of ensuring the durability of a piston. A fuel injection valve to directly inject fuel into a cylinder is provided. When the temperature of a catalyst co...
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JP4170902B2 |
A cylinder direct injection type internal combustion engine directly injecting fuel in a cylinder (104) and igniting the fuel-air mixture formed in the cylinder, wherein an advance spray with high fuel flow velocity (105) and a main spra...
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JP4161690B2 |
The injection system comprises a common gallery (2) for accumulating the high pressure fuel, an injector (3) for injecting the fuel into the engine and injector control means (5). The control means comprise means for predicting high temp...
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JP4161974B2 |
A control apparatus for a diesel-type internal combustion engine comprising a fuel injection valve and a fuel supply unit for supplying the fuel to the fuel injection valve under a target fuel supply pressure is disclosed. The fuel injec...
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JP2008232119A |
To form homogeneous air fuel mixture good for ignition timing in a cylinder by suitably intensifying a tumble flow by fuel injection even in high speed engine operation, in a cylinder injection type spark ignition internal combustion eng...
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JP4158541B2 |
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JP4157384B2 |
A valve having a valve needle axially displaceable in a bore of a valve body and which has a conical valve needle tip having a radial valve sealing face, which in the closing position comes to rest on a conical inner wall of the valve bo...
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JP4158733B2 |
An engine electronic control unit (engine ECU) (18) obtains a fuel consumption of a vehicle from a fuel consumption measuring device (4) and calculates an assumed fuel consumption of the vehicle if it is determined that an engine (2) ent...
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JP2008223601A |
To suppress increase in a crank angle range required for entire divided injection without lowering an injection rate of each divided injection, in a cylinder injection type internal combustion engine in which a necessary fuel amount is d...
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JP4154243B2 |
A fuel injection valve for internal combustion engines, having a housing ( 12; 48 ) in which a pistonlike valve member ( 35; 60 ) is disposed longitudinally displaceably in a bore ( 34; 57 ). The valve member ( 35; 60 ) is surrounded, ov...
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JP4154839B2 |
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JP2008215147A |
To make intervals between pilot injection and main injection appropriate and enhance control accuracy of pilot injection amount while reducing the size of a cam.This electronic control-type fuel injection device is provided with an injec...
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JP2008215101A |
To make the injection pressure of fuel by an injector high in a fuel injection device without adding an inexpensive device or a member.An ECU of the fuel injection device performs a temporary valve closing operation for displacing a need...
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JP4150091B2 |
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JP4147710B2 |
To reliably decide the present sub-injection where an injection amount is low and to perform feedback control of a fuel injection amount to an optimum value based on its decision result, in an internal combustion engine to perform inject...
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JP4147989B2 |
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JP4148009B2 |
To provide technology for pilot injection to suppress generation of smoke and reduce combustion noise in a fuel injection system of an internal combustion engine. In a diesel engine to perform pilot injection prior to a main injection in...
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JP4148128B2 |
When an electronic control unit (ECU) performs post-injection operation, the ECU intermittently implements a post-injection suspending pattern for suspending output of a post-injection command signal after outputting a normal injection c...
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JP2008202417A |
To stably maintain a valve element lift amount at a first lift amount in a fuel injection control device in which the rising speed of a needle valve is changed in two steps by changing the valve element lift amount of a control valve for...
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JP4144375B2 |
The ECU (Electronic Control Unit) (10) has a pressure sensor (66) connected to the common rail (2) and can provide individual electrical control signals for each injector (5) to give small pilot injections. Each injector has a separate i...
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JP4143468B2 |
A method of operating an internal combustion engine (110), including at least one cylinder (112) and a piston (212) slidable in the cylinder, may include supplying pressurized air from an intake manifold (114) to an air intake port (208)...
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JP4134979B2 |
A fuel injection apparatus has an accumulator, a booster, a nozzle, a hydraulic circuit, a hydraulic pressure valve and a control valve. At least one of a transmission path, which is connected to the hydraulic circuit, and the hydraulic ...
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JP4138134B2 |
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JP4134038B2 |
The method involves feeding combustion air to a combustion chamber via an inlet channel, injecting fuel into the combustion chamber via a fuel nozzle, igniting a fuel/air mixture in the combustion chamber with an ignition plug at an igni...
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JP4126977B2 |
To provide a direct cylinder injection internal combustion engine allowing the formation of a relatively larger stratified mixture block with no lean mixture region left in a central portion. The direct cylinder injection internal combus...
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JP4127238B2 |
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JP4126047B2 |
A fuel injection valve, having a valve body that contains a bore whose combustion chamber end is delimited by a valve seat from which at least two injection openings lead. The bore contains outer and inner concentric valve needles whose ...
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JP4125295B2 |
An injection nozzle for an internal combustion engine, the injection nozzle including an outer valve needle which is engageable with an outer valve seating so as to control injection through a first nozzle outlet, an inner valve needle w...
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JP4125962B2 |
Diesel engine with unit injectors and a catalytic converter arranged in the engine exhaust system, for reaction with uncombusted fuel. The injectors have spill valves, which in their closed position build up pressure in the injectors, an...
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JP4123729B2 |
In a fuel supply apparatus disclosed, a variable displacement mechanism is driven once every two or more reciprocating motions of the plunger (2) of a high-pressure fuel pump to control the delivery flow rate, so that the delivery flow r...
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JP4124134B2 |
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JP4122803B2 |
Provided is a fuel injection control device which secures stability of a combustion state, and simultaneously optimizes exhaust gas characteristics for a diesel engine with a low compression ratio. The fuel injection control device for a...
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JP4120556B2 |
To provide a fuel injection device not generating torque shock and distinct change of combustion noise in increasing/decreasing the number of injection times during one injection period. In switching to a single injection mode, injection...
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JP4118652B2 |
An accumulation type fuel injection system (1) of a diesel engine (2) calculates a dimensionless interval (I0) by dividing an injection interval (I) between a pilot injection and a main injection by a cycle (T) of pressure pulsation in a...
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JP4118432B2 |
To improve responsibility of a solenoid valve at the time of breaking an electric current to a solenoid coil. A control circuit IC101, a rush current supply circuit 110, a holding current supply circuit 130 and an electrifying circuit 14...
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JP4120113B2 |
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JP2008157197A |
To restrict smoking in stratified charge combustion for a process of large delay angle ignition in which a catalyst bed temperature for exhaust gas emission is increased in starting an internal combustion engine, and favorably achieve ho...
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JP4114425B2 |
Engine regulating system comprises a NOx catalyst unit (13) containing ammonia as a reducing agent arranged in an exhaust gas system of an I.C. engine to selectively reduce NOx from the exhaust gases, a reducing agent feed line (14) for ...
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