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JP4429078B2 |
To provide a fuel injection control system of an internal combustion engine by which at the time when the fuel injection quantity of an injector for intake-pipe injection is increased, degradation of exhaust emission is favorably restrai...
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JP4428201B2 |
A common rail injection system for internal combustion diesel engines is provided which is designed to correct a limit of width of an ineffective injection command pulse signal which is to be applied to each fuel injector, but causes the...
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JP2010048192A |
To provide a fuel injection control device reducing combustion noise caused by acceleration even if such a forced condition that the injection pressure of a fuel injection valve is forcibly controlled to high pressure is canceled and acc...
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JP2010048181A |
To provide a fuel injection device capable of performing atomization of fuel and fuel injection with different penetration force in accordance with an operation state of an engine.The fuel injection device 1 is provided with a fuel injec...
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JP4424147B2 |
An exhaust emission control apparatus for an internal combustion engine includes a fuel injection valve placed substantially at a midpoint above a combustion chamber of the engine; a piston having an outer cavity formed substantially in ...
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JP4415876B2 |
An engine ECU executes a program including the step of calculating an injection time Astart from the engine speed and load factor when arriving at the injection calculation timing of a cylinder located in the proximity of a knock sensor,...
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JP4407731B2 |
A fuel injection control device (ECU) for controlling injection supply of fuel to a target engine has a program for sequentially sensing fuel pressure fluctuating with injection of a predetermined injector (20), a program for detecting a...
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JP4407551B2 |
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JP4410686B2 |
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes at least one capillary flow passage, a heat source arranged along the at least one capillary flow passage, the heat source ...
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JP4410682B2 |
A fuel system for use in an internal combustion engine includes a plurality of fuel injectors, each injector including at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, a ...
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JP4403620B2 |
A control system for a direct injection diesel engine having a fuel injection valve (15) for injecting fuel whose quantity corresponds to engine load directly into a cylinder (14) and an intake throttle valve (23) provided in an intake p...
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JP4403641B2 |
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JP2010007558A |
To provide a fuel injection system reducing smoke emission caused by fuel injection from a second injection hole.When a fuel injection amount from the second injection hole is the same as or smaller than a threshold value, opening of a s...
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JP4396006B2 |
To improve acceleration responsiveness of an engine as the occurrence of a shock and the increase of smoke are prevented when an intake shutter valve 22 of a direct injection diesel engine 1 is closed even during running of a vehicle and...
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JP4399389B2 |
A method of operating a gas engine, the gas engine comprising a first fuel feed system (2), a second fuel feed system (3) and a third fuel feed system (4), in which method in the first operation mode the engine is run by introducing gase...
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JP4392598B2 |
To provide a spark ignition type direct injection engine capable of performing uniform combustion of excellent characteristic by improving homogeneity of an air-fuel mixture. This spark ignition type direct injection engine is provided w...
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JP4389831B2 |
To materialize early activation of a catalyst and reduction of HC by after burn by largely delaying ignition timing, and avoiding combustion instability accompanying increase of load. Ignition timing is set after compression top dead cen...
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JP2009293429A |
To provide a fuel injection device capable of reducing the difference of partial equivalence ratios in a combustion chamber without requiring many man-hours.The fuel injection device 1 comprises: a fuel injection valve 3 injecting fuel i...
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JP4383983B2 |
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JP4384754B2 |
A fuel injector comprises a first needle (13), and a second needle (20) slidably within a passage formed in the first needle (13). The needles (13, 20) are engageable with respective seatings to control fuel delivery through respective g...
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JP4379164B2 |
To enlarge a load condition range capable of performing stratified charge combustion operation, in a cylinder direct injection engine. In the cylinder direct injection engine, a mounting position and an angle between a fuel injection val...
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JP2009275610A |
To provide a fuel injection control device using a needle which effectively suppresses increase in the amount of unburned hydrocarbon emission irrespective of whether evaporation properties of injected fuel is good or not, under light-lo...
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JP4364864B2 |
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JP2009257241A |
To enable appropriate combustion of fuel in a compression ignition type internal combustion engine.The compression ignition type internal combustion engine 1 is provided with a first supply means 20 or 40 supplying vaporizable incombusti...
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JP4358669B2 |
The method involves performing a collective correction of a pressure wave, for two injectors of an internal combustion engine, and determining a correction function. Individual quality characteristics of the injectors are projected. The ...
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JP2009250092A |
To solve the problem that there has been a requirement to improve exhaust gas, fuel economy and an output which are deteriorated when fuel sticks to a wall surface of a combustion chamber, in a cylinder injection type internal combustion...
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JP4353270B2 |
To provide a fuel injection property detecting device for acquiring occasional injection properties including a secular property change. The fuel injection property detecting device (an engine control ECU) for detecting fuel injection pr...
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JP4349297B2 |
To increase fuel economy and improve emission by increasing an operating range for injecting a plurality of times in one time of injection timing by increasing a stratified combustion range. A fuel is injected in a compression stroke by ...
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JP4344208B2 |
The fuel injection system operating method has the fuel injection effected via at least one piezoactuator for each engine cylinder in at least 2 successive programmed injection phases (808,816,820), the timing point (828) of the successi...
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JP4341166B2 |
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JP2009222057A |
To provide an injection valve for actualizing variable fuel injection while avoiding the defects of conventional art.The injection valve is provided for directly injecting fuel into a combustion chamber of a self-igniting internal combus...
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JP2009221880A |
To form different fuel spraying forms, by a single solenoid type fuel injection valve.A solenoid type fuel injection valve includes: a single valve housing 10 mounted on an engine main body 1 so that a first and a second fuel injection h...
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JP2009209943A |
To provide efficient and simple control of PCCI (premixed-charge compression ignition) combustion.Described herein is a closed-loop electronic control system 1 for controlling combustion in a diesel engine operating with highly premixed ...
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JP4331225B2 |
An outer needle valve (42) and an inner needle valve (43) face on back sides thereof an outer control chamber (R2) and an inner control chamber (R3), which are independent of each other, respectively. An outer fuel outflow passage (C4) a...
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JP4323325B2 |
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes at least one capillary flow passage (12) , the at least one capillary flow passage (12) having an inlet end (14) and an out...
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JP2009191629A |
To improve learning accuracy in a micro-injection quantity, by leaning by determining a reference interval in multistage injection.This injection quantity learning device of an internal combustion engine is suitably used for learning the...
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JP4316719B2 |
The invention includes a combustion chamber and an injection strategy for a direct fuel injected internal combustion engine. The combustion chamber is formed with a substantially flat surface to provide a large surface area on which fuel...
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JP4311307B2 |
To provide a diesel engine automatic start control method for suppressing the worsening of combustion noises when restarting an engine after idle stopping. An ECU for the diesel engine determines whether the engine is in a completely exp...
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JP4306452B2 |
System and method for providing a fuel injection system having a nozzle (2) with an inlet and a needle (15). A control piston (16) forms a control chamber (17) and abuts the needle such that a higher pressure in the control chamber urges...
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JP4308487B2 |
To obtain a fuel injection method in a fuel injector capable of realizing excellent combustible and exhaustive characteristics, and carrying out fuel injection with an arbitrary fuel injection pattern thus allowing a degree of freedom of...
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JP2009167821A |
To optimize an injection form of pilot injection to a diesel engine capable of performing the pilot injection before main injection.The total pilot injection quantity is calculated from a difference between a compressed gas temperature i...
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JP4305124B2 |
To suppress the accumulation of deposits on the distal end of a fuel injection valve in a cylinder direct injection spark ignition type engine right after continuous high load operation. In the condition of low load operation right after...
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JP4302665B2 |
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JP4306144B2 |
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JP2009156045A |
To provide a fuel injection control device of an engine capable of reducing an amount of smoke emission by suppressing formation of a fuel rich region in diffusive combustion and capable of improving fuel efficiency by improvement of a c...
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JP4297041B2 |
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JP4294671B2 |
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JP4295211B2 |
The invention relates to a device for injecting fuel into a combustion chamber of an internal combustion engine, and which includes a fuel injector which can be acted upon by fuel at high pressure via a high-pressure source and is actuat...
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JP2009150312A |
To provide an injector capable of preventing engine oil deterioration, engine performance decline and fuel consumption deterioration by reliably guiding a post injection fuel to a specific injection hole and restraining wasteful injectio...
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JP4291369B2 |
A fuel injection device for an internal combustion engine includes a first valve element with a pressure face acting in the opening direction. An actuating device acts in the closing direction. A second valve element has a hydraulic cont...
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