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    • 1. 发明授权
    • Fuel injection device for an internal combustion engine
    • 内燃机燃油喷射装置
    • US06953157B2
    • 2005-10-11
    • US10470350
    • 2002-11-12
    • Peter BoehlandMichael KurrleJoerg-Peter Fischer
    • Peter BoehlandMichael KurrleJoerg-Peter Fischer
    • F02M47/00F02M47/02F02M57/02F02M61/16B05B9/00F02M41/16
    • F02M47/027F02M57/02F02M61/16F02M2200/16F02M2200/28
    • The fuel injection system having one high-pressure fuel pump and one fuel injection valve for each engine cylinder in which the pump piston defines a work chamber, which communicates with a pressure chamber of the fuel injection valve. A control valve controls connection of the pump work chamber with a relief chamber and having a second control valve controls a connection of a control pressure chamber, which communicates with the pump work chamber defined by a control piston with a relief chamber is controlled, and in which connection a throttle restriction is provided. A flow cross section of the connection of the control pressure chamber with the relief chamber is controlled as a function of the stroke of the control piston, such that with an increasing opening stroke of the injection valve member, a smaller flow cross section is uncovered by the control piston and at the maximum opening stroke of the injection valve member, the uncovered flow cross section is smaller than the flow cross section of the second throttle restriction.
    • 燃料喷射系统具有一个用于每个发动机气缸的高压燃料泵和一个燃料喷射阀,其中泵活塞限定了与燃料喷射阀的压力室连通的工作室。 控制阀控制泵工作室与释放室的连接,并具有第二控制阀,控制与由具有释放室的控制活塞限定的泵工作室连通的控制压力室的连接,并且在 哪个连接提供节流阀限制。 作为控制活塞的行程的函数,控制压力室与释放室的连接的流动横截面被控制,使得随着喷射阀构件的增加的打开行程,较小的流动横截面被 控制活塞并且在喷射阀构件的最大打开行程处,未覆盖的流动横截面小于第二节气门限制件的流动横截面。
    • 2. 发明授权
    • Injector for high-pressure fuel injection
    • 喷油器用于高压燃油喷射
    • US06994272B2
    • 2006-02-07
    • US10466911
    • 2002-10-15
    • Michael KurrleReiner KochJoerg-Peter Fischer
    • Michael KurrleReiner KochJoerg-Peter Fischer
    • F02M41/16
    • F02M63/0007F02M55/00F02M55/002F02M61/205F02M63/0003F02M63/0005F02M63/0029F02M2200/304F02M2200/315
    • An injector for high-pressure injection of fuel in self-igniting internal combustion engines includes an actuator valve for opening and closing the injector; a nozzle needle, which in the closed state of the injector closes at least one injection opening; a metering valve, which establishes a hydraulic communication between the actuator valve and the relief chamber of the injector; a pressure holding device, which serves to maintain a static pressure required for the metering valve; and a first control quantity line for control quantities that flow via the actuator valve, and a second control quantity line for control quantities that flow via the metering valve. The pressure holding device dynamically separates the control quantities of the metering valve from the control quantities of the actuator valve by means of a hydraulic fluctuation damper.
    • 用于在自燃内燃机中高压喷射燃料的喷射器包括用于打开和关闭喷射器的致动器阀; 喷嘴针在关闭状态下关闭至少一个注射口; 计量阀,其在致动器阀和喷射器的释放室之间建立液压连通; 压力保持装置,其用于保持计量阀所需的静压力; 以及用于经由致动器阀流动的控制量的第一控制量线,以及用于经由计量阀流动的控制量的第二控制量线。 压力保持装置通过液压变动阻尼器将计量阀的控制量与致动器阀的控制量动态分离。