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    Engine fuel injection device
    31.
    发明公开
    Engine fuel injection device 有权
    电动Brennstoffeinspritzvorrichtung

    公开(公告)号：EP2647817A1

    公开(公告)日：2013-10-09

    申请号：EP13161304.4

    申请日：2013-03-27

    申请人： SUZUKI MOTOR CORPORATION

    发明人： Yoshikawa, Yukihiro

    IPC分类号： F02D41/06 ,  F02D41/40 ,  F02N1/00

    CPC分类号： F02M69/00 ,  F02D41/062 ,  F02D41/105 ,  F02D41/401 ,  F02N1/00 ,  Y02T10/44

    摘要： A fuel injection device injects fuel per each cylinder in an engine having a plurality of cylinders #1 and #2. At a time of engine actuation, start timings of fuel injections are shifted per each cylinder and times within one rotation of a crankshaft is set as the injection start timings for all cylinders. At least the initial fuel injection is performed before cylinder discrimination.

    摘要翻译： 燃料喷射装置在具有多个气缸＃1和＃2的发动机中每个气缸喷射燃料。 在发动机致动时，燃料喷射的开始定时每个气缸移动，并且在曲轴的一个旋转周期内的时间被设定为所有气缸的喷射开始定时。 至少在气缸辨别之前执行初始燃料喷射。

    Fuel/air supply system for a fuel injector and methods of operation
    35.
    发明公开
    Fuel/air supply system for a fuel injector and methods of operation 失效
    燃料喷射器的燃料/空气供应系统和操作方法

    公开(公告)号：EP0821158A3

    公开(公告)日：1998-03-11

    申请号：EP97112219.7

    申请日：1997-07-17

    申请人： Siemens Automotive Corporation

    发明人： Pace, Jeffrey B. ,  Warner, Vernon R.

    IPC分类号： F02M63/00 ,  F02M51/06

    CPC分类号： F02M69/00 ,  F02M51/0671 ,  F02M61/00 ,  F02M63/00 ,  F02M69/04 ,  F02M71/00 ,  F02M71/04

    摘要： The fuel and air supply system of the present invention provides fuel from a fuel pump (42) at a first pressure upstream of a pressure reducer (46), fuel being provided directly to the fuel injector (10) at a reduced pressure on the downstream side of the pressure reducer (46). A bypass line (34) in communication with the fuel line (44) upstream of the pressure reducer (46) provides fuel to an air reservoir (50) at the first pressure. The air reservoir (50) lies in communication with a porous member(s) (30) in the fuel injector (10) in an air inlet (32) to a fuel volume (24) within the injector (10). Upon flow of fuel into the air reservoir (50) and closure of normally open fuel and air valves (58,60) in the reservoir (50), air at the first pressure is supplied the porous member(s) (30), creating a pressure differential across the member(s) (30), causing air to flow through the porous member(s) (30) to form air bubbles in the fuel volume (24) for two-phase flow through the fuel injector orifice (28). The air flows for a predetermined time until the reservoir (50) fills with fuel which precludes further air flow into the injector (10). Upon shutdown of the engine, the valves (58,60) in the air reservoir (50) open, draining the fuel from the air reservoir (50) and enabling air at atmospheric pressure to enter the reservoir (50), returning the system for reuse upon engine startup.

    摘要翻译： 本发明的燃料和空气供应系统在减压器（46）上游的第一压力下提供来自燃料泵（42）的燃料，燃料在减压下直接提供给燃料喷射器（10） 减压器（46）的一侧。 与减压器（46）上游的燃料管线（44）连通的旁路管线（34）以第一压力向空气储罐（50）提供燃料。 空气贮存器（50）在喷射器（10）内的燃料空间（24）的空气入口（32）中与燃料喷射器（10）中的多孔构件（30）连通。 在燃料流入储气罐（50）并关闭贮存器（50）中的常开燃料和空气阀（58,60）时，处于第一压力下的空气被供应到多孔构件（30），从而形成 （30）上的压差，使空气流过多孔构件（30）以在燃料容积（24）中形成气泡，用于通过燃料喷射器孔口（28）的两相流动 ）。 空气流动一段预定的时间，直到贮存器（50）充满阻止进一步的空气流入喷射器（10）的燃料。 在发动机关闭时，空气贮存器（50）中的阀（58,60）打开，从贮气器（50）中排出燃料并使大气压力的空气进入贮存器（50），使系统返回 在引擎启动时重用。