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1. 发明公开

EP1306544A1 ELECTRONICALLY CONTROLLED FUEL INJECTOR 有权
标题翻译： ELEKTRONISCH GESTEUERTE KRAFTSTOFFEINSPRITZVORRICHTUNG
公开(公告)号：EP1306544A1
公开(公告)日：2003-05-02
申请号：EP01956790.8
申请日：2001-08-02
申请人： MIKUNI CORPORATION
发明人： HASHIMOTO, Shogo , NICHOGI, Tadashi , MIZUI, Hiroshi , EHARA, Ryoji , TAKAHASHI, Junichiro
IPC分类号： F02M51/02 , F02M69/02 , F02M59/10 , F02M59/36
CPC分类号： F02M57/027 , F02M51/04 , F02M63/06
摘要： In the present invention, an electronically controlled fuel injection device is constructed from a plunger pump 800, a circulation passage 140 which circulates fuel that has been pressurized in the initial region of the pressure-feeding stroke, a valve body 820 which blocks the circulation passage in the later region of the pressure-feeding stroke, an inlet orifice nozzle 60 which allows the passage of fuel whose pressure has been increased in the later region of the pressure-feeding stroke, an outlet orifice nozzle 70 which is used to circulate some of the fuel that has passed through the inlet orifice nozzle [back into the fuel tank], an injection nozzle 1000 which injects an amount of fuel equal to the difference between the fuel that has passed through the inlet orifice nozzle and the fuel that has passed through the outlet orifice nozzle, and control means 80, 90 for controlling the plunger pump in response to the cycle of the engine. As a result, precise control can be accomplished by a compact apparatus in an electronically controlled fuel injection device, and in particular, the amount of injection can be controlled with high precision at high temperatures.
摘要翻译：在本发明中，电子控制燃料喷射装置由柱塞泵800，循环通道140构成，循环通道140使得在加压行程的初始区域中被加压的燃料循环，阀体820阻止循环通道在加压行程的稍后区域中，允许在压力进给行程的稍后区域中压力增加的燃料通过的入口孔喷嘴60，用于使压力进给行程中的一些循环的出口孔喷嘴70 已经通过入口喷嘴喷嘴的燃料返回到燃料箱中，注射喷嘴1000喷射与通过入口喷嘴喷嘴的燃料和已经通过出口的燃料之间的差异的燃料量孔口喷嘴和用于响应于发动机循环来控制柱塞泵的控制装置80,90。因此，可以通过电控燃料喷射装置中的紧凑装置来实现精确控制，并且特别地，可以在高温下以高精度控制喷射量。

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