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    • 73. 发明授权
    • High cycle solenoid valve
    • 高循环电磁阀
    • US4997004A
    • 1991-03-05
    • US823807
    • 1986-01-29
    • Robert L. Barkhimer
    • Robert L. Barkhimer
    • F02M47/02F02M51/06F02M59/46F02M63/00F16K31/06
    • F16K31/0637F02M47/027F02M51/0685F02M63/0015F02M63/004F02M63/0043F02M63/0061F02M63/007F02M2200/304Y10S137/901Y10T137/87217
    • The present invention is a solenoid-actuated fluid valve of the ball poppet type particularly suitable for use as a fuel injector actuator/timer, for which use the valve must be capable of withstanding high operating speeds and high fluid pressures for a very high cycle life, without substantial internal tolerance variation. According to the invention, the free front end of the solenoid-operated valve actuator pin has a concavity therein which distributes impact loads between the pin and the ball poppet which it engages over an extended line or area contact so as to minimize deformation of the pin and thereby minimize solenoid tolerance variation in the axial direction. Fluid captured between the ball and concavity provides squish-damping as the pin approaches the ball so as to further reduce impact deformation of the pin end. Engagement of the ball in the pin end concavity also tends to hold the ball in axial alignment with its valve seat so as to minimize eccentric wear of the valve seat.
    • 本发明是一种特别适合用作燃料喷射器致动器/定时器的球阀型的电磁致动流体阀,对于这种使用阀门必须能够承受高的运行速度和高的流体压力以达到非常高的循环寿命 ,没有实质的内部公差变化。 根据本发明,电磁阀执行器销的自由前端在其中具有凹陷,其中分配在销和球提升阀之间的冲击载荷,其在延伸的线或区域接触件上接合,以便最小化销的变形 从而使轴向上的电磁线圈公差变化最小化。 在球和凹部之间捕获的流体随着销接近球而提供挤压阻尼,以进一步减小销端的冲击变形。 球在销端凹部中的接合也倾向于保持球与其阀座轴向对准,以便最小化阀座的偏心磨损。