Dual non-contacting mechanical face seal having concentric seal faces
    1.
    发明申请
    Dual non-contacting mechanical face seal having concentric seal faces 有权
    具有同心密封面的双重非接触机械面密封

    公开(公告)号:US20010010416A1

    公开(公告)日:2001-08-02

    申请号:US09528266

    申请日:2000-03-17

    IPC分类号: F16J015/40

    CPC分类号: F16J15/3488

    摘要: A mechanical seal for providing fluid sealing between a housing and a rotatable shaft includes a first seal ring having a first seal face and a second seal ring having a second seal face. The first seal face further has a first portion and a second portion and the seal faces of the first and second seal rings are opposed to each other when assembled. The first seal ring or the second seal ring is adapted to rotate with the rotatable shaft, and the other seal ring is restrained from rotating. The seal faces are configured to produce a primarily hydrostatic fluid force between at least a portion of the first portion of the first seal face and at least a portion of the second seal face. In addition, the seal faces are configured to produce a hydrodynamic fluid force and a hydrostatic fluid force between at least a portion of the second portion of the first seal face and at least a portion of the second seal face.

    摘要翻译: 用于在壳体和可旋转轴之间提供流体密封的机械密封件包括具有第一密封面的第一密封环和具有第二密封面的第二密封环。 第一密封面还具有第一部分和第二部分,并且当组装时第一和第二密封环的密封面彼此相对。 第一密封环或第二密封环适于与可旋转轴一起旋转,并且另一个密封环被限制旋转。 密封面被构造成在第一密封面的第一部分的至少一部分与第二密封面的至少一部分之间产生主要的静水流体力。 此外,密封面被构造成在第一密封面的第二部分的至少一部分与第二密封面的至少一部分之间产生流体动力流体力和静水流体力。