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    • 5. 发明授权
    • Fast-acting fluid control valve
    • 快速流体控制阀
    • US07717130B2
    • 2010-05-18
    • US11750180
    • 2007-05-17
    • Mark A. BatdorffJohn H. Lumkes, Jr.
    • Mark A. BatdorffJohn H. Lumkes, Jr.
    • F16K11/07
    • F16K11/0716F16K31/0675Y10T137/86759
    • A fluid control valve capable of rapidly opening and closing. The valve includes a housing with an annular-shaped spool cavity that contains an annular-shaped spool capable of axial movement within the spool cavity between first and second spool positions. The spool has axially-spaced circumferential spool sealing features and optionally radial passages therethrough. The housing has axially-spaced circumferential housing sealing features configured and disposed within the spool cavity so that, with the spool in the first spool position, fluid flow is enabled through the spool cavity axially between the spool sealing features and the housing sealing features, which provide axial force balancing of the spool. With the spool in the second spool position, the spool sealing features and the housing sealing features cooperate to substantially prevent fluid flow through the spool cavity.
    • 能够快速打开和关闭的流体控制阀。 该阀包括具有环形滑阀腔的壳体,其包含能够在第一和第二阀芯位置之间的阀芯腔内轴向移动的环形阀芯。 阀芯具有轴向隔开的周向阀芯密封特征和任选的径向通道。 壳体具有轴向隔开的周向壳体密封特征,其构造和设置在阀芯腔内,使得当阀芯处于第一阀芯位置时,流体流动通过阀芯密封件在轴向上在阀芯密封特征和壳体密封特征之间, 提供阀芯的轴向力平衡。 当阀芯处于第二阀芯位置时,阀芯密封特征和壳体密封特征相配合,以基本上防止流体流过阀芯腔。