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    • 2. 发明申请
    • ROTARY VALVE AND ROTARY VALVE SEAL
    • 旋转阀和旋转阀密封
    • US20130026405A1
    • 2013-01-31
    • US13194224
    • 2011-07-29
    • James R. O'CoinWilliam G. Papale, JR.
    • James R. O'CoinWilliam G. Papale, JR.
    • F16K5/04
    • F16K5/0478
    • A rotary valve includes a housing including an inlet and an outlet. A drum is rotatably located in the housing and includes one or more fluid pathways to convey fluid flow between the inlet and the outlet. The rotary valve further includes a single-piece unitary drum seal having a portion located around a perimeter of a port of the one or more fluid pathways to seal between the drum and the housing. A drum seal assembly for a rotary valve includes a single piece, unitary drum seal disposed at a drum of the rotary valve. The drum seal has a portion extending around a perimeter of a port of one or more fluid pathways of the drum to seal between the drum and an inner wall of a housing. The drum seal assembly further includes an energizer to urge the drum seal into contact with the housing.
    • 旋转阀包括包括入口和出口的壳体。 鼓可旋转地位于壳体中并且包括一个或多个流体路径以在入口和出口之间传送流体流。 旋转阀还包括单件式整体式鼓式密封件,该密封件具有围绕所述一个或多个流体路径的端口的周边的部分,以在所述滚筒和所述壳体之间进行密封。 用于旋转阀的鼓密封组件包括设置在旋转阀的滚筒处的单件式整体式鼓式密封件。 滚筒密封件具有围绕滚筒的一个或多个流体通道的端口的周边延伸的部分,以在滚筒和壳体的内壁之间进行密封。 滚筒密封组件还包括促动滚筒密封件与壳体接触的激励器。