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    • 5. 发明授权
    • Fuel injection system for an internal combustion engine
    • 内燃机燃油喷射系统
    • US06694954B2
    • 2004-02-24
    • US10113626
    • 2002-03-27
    • Gerhard FraenkleVolker Schwarz
    • Gerhard FraenkleVolker Schwarz
    • F02M3704
    • F02M47/027F02M55/02F02M63/0007F02M63/0225
    • In a fuel injection system for an internal combustion engine with a high pressure pump for supplying pressurized fuel to fuel injection valves and a multi-way valve disposed in the high pressure fuel line to the fuel injector for controlling the fuel flow to the injector, the multi-way valve is a spool valve which includes an actuator for positioning the spool to provide selectively a flow connection between the high pressure pump and the injection valve or between the injection valve and a fuel return line and which further includes an inflow throttle structure forming a pressure control device. A pressure sensor is arranged between the spool valve and the fuel injector and supplies the sensed pressure value to a controller which compares the value with predetermined set values and provides a correction value to the multi-way valve actuator for the correction of the pressure of the fuel supplied to the fuel injection valve.
    • 在具有用于向燃料喷射阀供给加压燃料的高压泵的内燃机的燃料喷射系统和设置在燃料喷射器的高压燃料管路中的多通阀以控制到喷射器的燃料流量的情况下, 多通阀是滑阀,其包括用于定位阀芯的致动器,用于选择性地提供高压泵和喷射阀之间或者在喷射阀和燃料返回管路之间的流动连接,并且还包括形成流入节流结构 压力控制装置。 压力传感器设置在滑阀和燃料喷射器之间,并将检测到的压力值提供给控制器,该控制器将该值与预定设定值进行比较,并向多通阀致动器提供校正值,以便校正 燃料供应到燃料喷射阀。
    • 8. 发明授权
    • Method for operating a diesel engine with a pump-line-nozzle injection system
    • 用泵线喷嘴注射系统操作柴油发动机的方法
    • US06523526B2
    • 2003-02-25
    • US09825378
    • 2001-04-02
    • Volker Schwarz
    • Volker Schwarz
    • F02M3704
    • F02M45/00F02M59/366
    • In a method for operating a Diesel engine with a pump-line-nozzle injection system, which allows the pressure level to be raised in the lower and intermediate engine speed ranges in relation to a predetermined maximum permissible injection pressure without this maximum permissible injection pressure being exceeded in the upper engine speed range by providing an injection pump designed to deliver the desired fuel injection pressure at low and intermediate engine speeds and including a pressure relief valve in the fuel injection line permitting limiting of the fuel injection pressure at higher engine speeds.
    • 在使用泵线喷嘴注射系统操作柴油发动机的方法中,其允许相对于预定的最大允许喷射压力在相对于预定的最大允许喷射压力的下部和中间发动机速度范围内升高压力水平,而没有该最大允许喷射压力为 通过提供设计成在低和中等发动机转速下传递期望的燃料喷射压力的喷射泵,并且包括在燃料喷射管线中的压力释放阀,允许在较高发动机转速下限制燃料喷射压力而超过上部发动机转速范围。
    • 9. 发明授权
    • Fuel injection system for an internal combustion engine
    • 内燃机燃油喷射系统
    • US06062194A
    • 2000-05-16
    • US229422
    • 1999-01-14
    • Volker Schwarz
    • Volker Schwarz
    • F02M45/06F02M59/36F02M39/00
    • F02M45/06F02M59/366
    • In a fuel injection system for an internal combustion engine with a fuel injection pump providing for an initial fuel injection and a main fuel injection wherein the fuel injection pump includes a main fuel supply passage section and a side passage and a main fuel control valve disposed in the main fuel supply passage section and an additional control valve arranged in the side passage, at low engine speeds, the main fuel control valve is closed during the initial and main fuel injection periods for generating a pressure sufficient to open a fuel injector nozzle and the additional fuel control valve is opened for reducing the fuel pressure and terminating initial fuel injection and, at high engine speeds, the main fuel control valve is closed during initial fuel injection and again for the main fuel injection.
    • 在用于具有提供初始燃料喷射的燃料喷射泵和主燃料喷射的内燃机的燃料喷射系统中,其中燃料喷射泵包括主燃料供给通道部分和侧通道以及主燃油控制阀 主燃料供给通道部分和附加控制阀,其布置在侧通道中,在低发动机转速下,主燃料控制阀在用于产生足以打开燃料喷射器喷嘴的压力的初始和主燃料喷射周期期间关闭, 打开额外的燃料控制阀以降低燃料压力并终止初始燃料喷射,并且在高发动机转速下,主燃料控制阀在初始燃料喷射期间关闭,并且再次用于主燃料喷射。