REDUNDANT SEAL APPARATUS AND METHOD
    1.
    发明申请
    REDUNDANT SEAL APPARATUS AND METHOD 有权
    冗余密封装置和方法

    公开(公告)号:US20140117623A1

    公开(公告)日:2014-05-01

    申请号:US13665332

    申请日:2012-10-31

    IPC分类号: F16J15/32

    摘要: An apparatus includes a rotatable shaft having a shaft surface and a first seal disposed in a sealing engagement with the shaft surface. At least a second seal is disposed in a first position relative to the rotatable shaft where the second seal is not in sealing engagement with the shaft surface and is movable to a second position relative to the rotatable shaft where the second seal is in sealing engagement with the shaft surface.

    摘要翻译: 一种装置包括具有轴表面的旋转轴和与轴表面密封接合的第一密封件。 至少第二密封件相对于可旋转轴设置在第一位置,其中第二密封件不与轴表面密封接合,并且可移动到相对于可旋转轴的第二位置,其中第二密封件与第二密封件密封接合 轴表面。

    Redundant seal apparatus and method
    2.
    发明授权
    Redundant seal apparatus and method 有权
    冗余密封装置及方法

    公开(公告)号:US09010761B2

    公开(公告)日:2015-04-21

    申请号:US13665332

    申请日:2012-10-31

    IPC分类号: F16J15/32 F16J15/00

    摘要: An apparatus includes a rotatable shaft having a shaft surface and a first seal disposed in a sealing engagement with the shaft surface. At least a second seal is disposed in a first position relative to the rotatable shaft where the second seal is not in sealing engagement with the shaft surface and is movable to a second position relative to the rotatable shaft where the second seal is in sealing engagement with the shaft surface.

    摘要翻译: 一种装置包括具有轴表面的旋转轴和与轴表面密封接合的第一密封件。 至少第二密封件相对于可旋转轴设置在第一位置,其中第二密封件不与轴表面密封接合,并且可移动到相对于可旋转轴的第二位置,其中第二密封件与第二密封件密封接合 轴表面。