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Patent Searching and Data


Matches 1,051 - 1,100 out of 3,336

Document Document Title
JP3930425B2
To provide a pilot ignition gas-engine which has a high durability and improved maintainability at a low cost for driving an engine with a sure and improved pilot-ignitability throughout the range of the drive from an engine start to a r...  
JP3924156B2
To provide a fuel injection device for an internal combustion engine capable of accurately and finely controlling a fuel injection mode over the whole operation range of an engine, capable of lowering a fuel consumption ratio and reducin...  
JP3925108B2
To reduce a combustion noise by improving combustibility of a diesel engine. In this device, when a change rate of pressure in a cylinder is high by dividing main injection (a) and making a valve lift amount variably controllable of a fu...  
JP2007127000A
To provide a technology capable of stably forming a homogeneous pre-air/fuel mixture in a compression ignition internal combustion engine.In this method of controlling the fuel injection of the compression ignition internal combustion en...  
JP2007512461A
In a fuel injection pump for performing multi-step fuel injection in an internal combustion engine, recesses are formed on the peripheral sides of the pump piston (1) and the pump cylinder (2), and these are multi-step in the axial direc...  
JP3912194B2
To provide a spark ignition type direct injection engine which prevents dripping fuel from attaching to the periphery of an electrode and where a fuel-air mixture near the electrode does not become too rich, while accelerating vaporizati...  
JP3909109B2
To provide a predetermined contact line (seal line) in a seat edge between a valve seat surface and a valve member even when the surface ununiformity of a seal surface in a tolerance range is generated in each rotational position of the ...  
JP2007092634A
To properly enrich the periphery of an electrode at any time regardless of the size of an engine load in a predetermined operation area as a low rotation/low load area.A part of a fuel spray from a fuel injection valve 18 arranged in a p...  
JP2007092633A
To surely achieve richment around an electrode while decreasing the amount of fuel adhesion on the internal wall of a cylinder.A part of nozzle holes (axes L1-L3) in a fuel injection valve 18 is directed to the vicinity of the electrode ...  
JP3902757B2
To prevent backlash of a plunger when the plunger closes a valve seat. The injector with a solenoid valve for controlling an injection valve is equipped with a means for reducing pressure variation generated in a plunger chamber 5 at a l...  
JP2007077920A
To provide a technique for suitably perform pilot injection.An fuel supply device for an internal combustion engine has a main fuel injection valve, and an auxiliary fuel injection valve injecting fuel lower in pressure than the main fue...  
JP2007506897A
A fuel injection systems for direct-injection diesel engines, has a piezoelectric actuator contained in an injector body and acted on by a first spring mechanism so that it remains in contact with the injector body at one end and with a ...  
JP3891866B2
To provide a fuel injection valve in which a control valve element is accurately controlled to an intended intermediate displacement magnitude. The fuel injection valve comprises the control valve element 8 displaced to control pressure ...  
JP3890654B2
To surely suppress the quantity of NOx in the exhaust gas by starting the valve opening for the main injection before a fuel injection valve is fully closed after the valve opening for the pilot injection is completed to reduce the initi...  
JP2007051549A
To provide a fuel injection valve and a direct injection engine provided with it for satisfying spray characteristics required respectively in operations of stratified-charge combustion and homogenous combustion.The direct injection engi...  
JP3887583B2
To combine the advantages of the flexible multi-stage injection and pressure regulation of CRS with those of the high injection pressure and linear boosting of pressure of PDE. In this fuel injection device, at least one local pump eleme...  
JP3885614B2
To prevent deterioration of fuel consumption and exhaust emission due to adhesion of the fuel to an intake pipe wall in an intake-pipe-inside fuel injection type internal combustion engine. A first fuel injection valve 6-1 and a second f...  
JP3882680B2
To provide a fuel injection nozzle whose nozzle body is easy to be machined, and which reduces discharging of harmful components (black smoke and hydrocarbon, etc.), due to fuel leakage. A second guide part (cylinder hole) 20b slidably s...  
JP3881243B2
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...  
JP2007032437A
To provide a cylinder injection internal combustion engine capable of selectively using a plurality of types of fuel spray forms depending on the purpose.The internal combustion engine 1 comprises a first fuel injection valve 11 for inje...  
JP2007502384A
A fuel injector for an internal combustion engine has a nozzle needle that opens or closes at least one injection opening. At an end oriented away from the at least one injection opening, the nozzle needle has a step-shaped widening, whi...  
JP2007032401A
To promote evaporation of fuel colliding with an inner peripheral face of a cylinder and solve problems such as diluting of oil, emission of white smoke and deterioration of fuel economy.In this premixed compression self-ignition type in...  
JP3876788B2
To provide a suitable handling method in the case that an overlap of a fuel injection timing is predicted between a plurality of injectors connected with a shared common rail. A control unit 50 sets a fuel injection amount, the fuel inje...  
JP2007024040A
To provide a variable orifice nozzle type injection nozzle operating for reducing or eliminating the problem of a load in the horizontal direction.This injection nozzle 2 for an internal combustion engine has a nozzle body 3 defining a s...  
JP3876089B2
To provide a fuel injection device of a diesel engine which can reduce the quantity of such as unburned fuel, unburned gas, HC, and CO. In the fuel injection device of a diesel engine which can perform pre-injection and main injection of...  
JP2007016714A
To provide a fuel injection device having simple construction with one control chamber, low in manufacturing cost and adequate for mass-production for stably executing optimum fuel injection depending on engine operating conditions.The c...  
JP3864630B2
To improve low temperature startability of a diesel engine. This fuel injection device for a diesel engine executes pilot injection and main injection in low temperature starting of an engine (Tw≤Tc). In such a fuel injection device, w...  
JP3865222B2
To provide a fuel injection device having a small-sized electric drive part, capable of reducing the wear of a valve member and the valve body and dropping the minimum injection pressure. The valve member 20 has a through hole 22 penetra...  
JP3867468B2
To provide a common rail type fuel injection device for securing main injection starting timing by correcting pulse starting timing of a command pulse for main injection according to the length of an interval period between pulse startin...  
JP3864979B2
To satisfy both of the slow opening and quick closing of a fuel injection valve by way of a nozzle needle by slowing down a decrease and speeding up an increase in the oil pressure of a control room for operating the nozzle needle of the...  
JP2006348771A
To make injection pressures of main fuel injection and sub fuel injection relatively different without changing fuel pressure applied on a fuel injection valve in a fuel injection device performing sub fuel injection before and after mai...  
JP2006528743A
The invention relates to a fuel injection device for an internal combustion engine having a housing, a first valve element, which has a first hydraulic control surface acting in the closing direction at least one second valve element, wh...  
JP3860894B2
To display the merit by pilot injection effectively and to control the demerit by pilot injection. An Electronic Control Unit(ECU) 51 can perform a pilot injection prior to a main injection by controlling an injector 2. ECU 51 adopts the...  
JP2006336509A
To atomize fuel when starting an engine, to minimize an amount of fuel adhered on a wall face, and to optimally form air-fuel mixture to improve combustion when starting the engine.When starting the engine, controlling of increasing pres...  
JP3855447B2
To accomplish minute fuel injection corresponding to individual injectors by finding a minimum excitation time to an electronic device starting the minute fuel injection by learning. In this control unit, a command pulse serving as a dri...  
JP3855846B2
To effectuate at least either a high fuel injection ratio of a pilot fuel injection or a low fuel injection ratio of a main fuel injection even without changing the valve opening speed of the exhaust nozzle type valve element of a fuel i...  
JP2006329117A
To generate satisfactory stratified air-fuel mixture air mass and maintain stable stratified combustion without depending on change of environment.In a normal condition in which distance from a tip of a fuel injection valve to an inner s...  
JP2006329205A
To provide a method of activating a Denox catalyst for a diesel engine having a rail injection system.An induction method applicable to engines featuring a Denox catalyst for reducing the nitrogen oxide content of exhaust gas is disclose...  
JP2006527332A
A fuel injector for an internal combustion engine, with an injector body having at least one first injection orifice and at least one second injection orifice a hollow first nozzle needle guided in a first needle guide of the injector bo...  
JP3851727B2
To increase availability of intake air by helping ignition of a main injection fuel, decreasing an ignition lag, promoting combustion after ignition, and improving mixture of the main injection fuel with air. In this auxiliary combustion...  
JP3846517B2
To extensively reduce initial injection quantity by lowering initial injection pressure of a fuel injection valve by absorbing a part of high pressure fuel to supply by an initial injection pressure absorber. A fuel injection valve 6 has...  
JP3846362B2
To restrain the fuel pressure in a fuel injection valve, when fuel injection is executed at the same cycle by the fuel injection valve at least twice, from fluctuating influenced by the pressure waves caused by the former fuel injection ...  
JP3846917B2
To reduce a harmful matter discharged into exhaust air and to improve fuel economy. A second nozzle needle 25 is stored in a hollow and cylindrical first nozzle needle 20. When high pressure fuel in a first pressure control chamber is di...  
JP2006307860A
To provide an injection nozzle not requiring an actuator providing an advanced valve control.The injection nozzle includes: a supply passage 22 through which fuel is delivered to first and second injection nozzle outlets 26, 28; an outer...  
JP3844091B2
To drive a same inductive load for a prescribed time by plural times without enlarging booster circuits, and raising a speed of load current at the time of initial drive in made high by arranging a plurality of booster circuits, and appl...  
JP2006524771A
The valve needle (22) is spring-loaded (40) toward its closed position and has a conical end (20a) fitting into a conical valve seat (20b). An actuator (24) at its top end has a circular armature (24c) extending between ring-shaped upper...  
JP2006291971A
To secure stable combustion performance not affected by the properties of a fuel in a cylinder injection type engine.When the cylinder injection type engine is operated in an intake stroke divided injection mode, if a fuel in use is dete...  
JP3838299B2
To perform supply of a constantly proper HC amount by a method wherein an injection amount of auxiliary injection is set to a minimum range where high precise control is practicable, and an injection time is controlled according to the g...  
JP2006523794A
The fuel injection system (18) according to the present invention has a housing (36) and at least two coaxial valve elements (46,48), each of which has a closing direction. At least one hydraulic control surface (70,79) that produces the...  
JP2006274946A
To suppress the increase of HC and smoke due to the deterioration of combustion by sufficiently promoting the vaporization of atomized fuel when an engine is cool or rotating at a low speed in an intermediate or high load area and reduci...  

Matches 1,051 - 1,100 out of 3,336