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    • 6. 发明授权
    • Electromagnetically actuatable valve, in particular a fuel injection
valve for fuel injection systems
    • 电磁致动阀,特别是用于燃料喷射系统的燃料喷射阀
    • US4502632A
    • 1985-03-05
    • US558568
    • 1983-12-06
    • Udo HafnerWaldemar HansRudolf KraussRudolf Sauer
    • Udo HafnerWaldemar HansRudolf KraussRudolf Sauer
    • F02M51/00F02M51/06F02M51/08F02M61/16F02M63/00F02M69/04F16K31/06
    • F02M51/065F02M51/005F02M69/04F02M69/047F02M2051/08F02M2200/505Y10S239/90
    • An electromagnetically actuatable valve is proposed which serves in particular to inject fuel into the intake tube of internal combustion engine operating with fuel injection systems. The fuel injection valve includes a valve housing, a shell core having a magnetic coil and a flat armature, which is positively connected to a valve element comprising a ball which protrudes through a central opening in a guide diaphragm to cooperate with a fixed valve seat. The guide diaphragm guides the ball in the radial direction relative to the valve seat. Under spring tension, the flat armature, having a guide crown, contacts the guide diaphragm and is thus guided in a plane parallel to the end face of the shell core. A first fuel fitting comprises a portion of a valve housing preshaped by a non-cutting manufacturing method; a second fuel fitting is fixed inside the first fuel fitting in such a manner that a flow conduit is defined between the first and the second fuel fittings. The fuel flowing in via the second fuel fitting proceeds to the valve seat; when the valve is open, a portion of the fuel is delivered there to a nozzle bore in order to be metered. The non-metered fuel flows around the magnetic element and proceeds via the flow conduit into a fuel return flow line.
    • 提出了一种电磁致动阀,其特别用于将燃料喷射到用燃料喷射系统操作的内燃机的进气管中。 燃料喷射阀包括阀壳体,具有电磁线圈的壳芯和扁平电枢,其正确地连接到阀元件,该阀元件包括通过导向隔膜中的中心开口突出的球,以与固定阀座配合。 引导隔膜相对于阀座径向引导球。 在弹簧张力下,具有导向冠的扁平电枢与导向膜接触,因此在平行于壳芯的端面的平面内被引导。 第一燃料配件包括通过非切割制造方法预先形成的阀壳体的一部分; 第二燃料配件固定在第一燃料配件的内部,使得在第一和第二燃料配件之间限定流动管道。 通过第二燃料配件流入的燃料进入阀座; 当阀门打开时,燃料的一部分被传送到喷嘴孔,以进行计量。 非计量燃料围绕磁性元件流动并且经由流动管道进入燃料返回流动管线。