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    Pressure protection valve
    1.
    发明公开
    Pressure protection valve 有权
    Sicherheitsventil

    公开(公告)号：EP1555468A1

    公开(公告)日：2005-07-20

    申请号：EP04028975.3

    申请日：2004-12-07

    申请人： PACCAR Inc

    发明人： Morrow, Jereme C. ,  Ung, Waikhew ,  Huckaby, Eddie D. ,  Grimm, Mark T.

    IPC分类号： F16K15/02

    CPC分类号： F16K15/025 ,  F16K17/046 ,  Y10T137/7834 ,  Y10T137/7923 ,  Y10T137/7937

    摘要： A valve is provided having a housing (130) with an inlet (110) and an outlet (120). Within the confines of the housing is a fluid flow path that allows for fluid communication between the inlet and the outlet. The valve includes a valve element (140) that is movable to and from a position where it blocks fluid communication along the fluid flow path, thereby closing the valve. The valve also includes a resilient member (150) provided in a chamber (160) of the valve that is fluidly sealed from the fluid flow path. The resilient member urges the valve element to move to the position for closing the valve. When the pressure of fluid entering the inlet exceeds a preselected amount, the pressure of the fluid overcomes the urging of the resilient member and the valve element moves towards a position that allows fluid communication along the fluid flow path, thereby opening the valve.

    摘要翻译： 提供一种具有带有入口（110）和出口（120）的壳体（130）的阀门。 在壳体的范围内是允许入口和出口之间的流体连通的流体流动路径。 该阀包括阀元件（140），该阀元件可移动到其阻止沿着流体流路的流体连通的位置，从而关闭阀。 阀还包括设置在阀的腔室（160）中的弹性构件（150），其从流体流动路径流体密封。 弹性构件促使阀元件移动到关闭阀的位置。 当进入入口的流体的压力超过预选量时，流体的压力克服了弹性构件的推动，并且阀元件移动到允许沿流体流动路径流体连通的位置，从而打开阀门。