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    • 81. 发明授权
    • Electromagnetically actuatable fuel injection valve
    • 电磁致动燃油喷射阀
    • US4700891A
    • 1987-10-20
    • US912469
    • 1986-09-29
    • Waldemar HansWilhelm KindHeinrich KnappWolfgang KramerRudolf Sauer
    • Waldemar HansWilhelm KindHeinrich KnappWolfgang KramerRudolf Sauer
    • F02M51/06F02M51/08F02M53/04
    • F02M53/04F02M51/0678F02M2051/08
    • A magnetic injection valve for injecting fuel into the intake tract of internal combustion machines, which is distinguished by particularly good internal cooling. A magnetic coil wound onto a coil carrier is located in the valve, being introduced into a valve housing and surrounds a ferromagnetic core. The core acts upon an armature which is connected to a movable valve needle. A bushing in the core and a sleeve located outside the core are arranged such that the fuel, emerging from an inflow tract of a supply device flows via the sleeve serving as a fuel line and reaches the interior of the valve housing that receives the magnetic coil; after flowing virtually completely around the magnetic coil, the fuel leaves this interior via a bore and flows back between the bushing and the core as far as the end of the bushing, and then flows on through the bushing to reach the armature to flow on to the valve seat. For better cooling of the magnetic coil, flow conduits are machined into the coil holder such that the fuel flow virtually surrounds the coil.
    • 一种用于将燃料喷射到内燃机的进气道中的磁性注射阀,其特征在于内部冷却特别好。 缠绕在线圈架上的磁性线圈位于阀中,被引入阀壳体并围绕铁磁芯。 铁芯作用在与可动阀针连接的电枢上。 芯部中的衬套和位于芯部外部的套筒布置成使得从供给装置的流入管道出来的燃料经由用作燃料管线的套筒流动并到达接收电磁线圈的阀壳体的内部 ; 在几乎完全绕电磁线圈完全流动之后,燃料经由孔离开该内部,并且在衬套和芯之间回流至衬套的端部,然后通过衬套流到电枢以流到 阀座。 为了更好地冷却磁性线圈,将流动管道加工到线圈架中,使得燃料流动实际上围绕线圈。