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    • 6. 发明授权
    • Injection device for injecting an additional, small fuel quantity into
an external auto-ignition internal combustion engine operating
according to the stratified-charge principle
    • 喷射装置,用于将额外的小量燃料喷射到根据分层电荷原理运行的外部自动点火内燃机中
    • US4091771A
    • 1978-05-30
    • US576445
    • 1975-05-12
    • Wolfgang RappDieter Schmidt
    • Wolfgang RappDieter Schmidt
    • F02B1/04F02M57/02F02M59/34F02B19/10F02B19/16
    • F02M59/34F02M57/02F02B1/04
    • Injection device for injecting fuel into a combustion space such as an auxiliary combustion space of an external auto-ignition internal combustion engine of the type operating on the stratified-charge principle. The injection device includes a housing accommodating a movable pump plunger, a movable nozzle needle controlling the nozzle orifice opening into the auxiliary combustion space, and a movable piston-type storer. The pump plunger is configured to close off respective fuel return and fuel supply lines during its pumping stroke, at which time it effects a build up of pressure resulting in movement of the piston type storer until a predetermined sufficient pressure is reached to force the nozzle needle away from the closed position to thereby effect injection of fuel into the auxiliary combustion space. An adjustable stop is provided at the piston-type storer and the supply fuel to the fuel supply line is under an adjustable pre-pressure, whereby the adjusted pre-pressure and the configuration of the piston-type storer control the amount of fuel injection.
    • 用于将燃料喷入燃烧空间的喷射装置,所述燃烧空间例如以分层电荷原理运行的外部自动点火内燃机的辅助燃烧空间。 注射装置包括容纳可移动泵柱塞的壳体,控制喷嘴孔进入辅助燃烧空间的可移动喷嘴针和可移动活塞式存储器。 泵柱塞构造成在其泵送冲程期间关闭相应的燃料返回和燃料供应管线,此时,其实现压力的累积,导致活塞式储存器的运动,直到达到预定的足够的压力以迫使喷嘴针 远离关闭位置,从而将燃料喷射到辅助燃烧空间中。 在活塞式储存器处设置有可调节的止动件,并且向燃料供应管线供应的供给燃料处于可调节的预压力下,由此调节的预压力和活塞式储存器的构造控制燃料喷射量。