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    • 8. 发明授权
    • Dual seal assembly
    • 双重密封组件
    • US07823885B2
    • 2010-11-02
    • US12313103
    • 2008-11-17
    • Peter DröscherMichael SattlerGerard HamelinkGünther Lederer
    • Peter DröscherMichael SattlerGerard HamelinkGünther Lederer
    • F16J15/34
    • F16J15/3484
    • A dual seal assembly, in particular for sealing a gas compressor, includes a first mechanical seal assembly including a pair of co-operating seal rings, one of which is provided for common rotation with a rotating component and the other of which is provided rotationally fixed at a stationary component. A second mechanical seal assembly includes a pair of co-operating seal rings, one of which is provided for common rotation with a rotating component and the other of which is provided rotationally fixed at a stationary component. One of the seal rings is axially movable and axially biased with a biasing force against the respectively other seal ring to bias facing sliding surfaces of the seal ringss in a mutual sealing engagement. A secondary sealing assembly is provided for sealing the axially movable seal ring with respect to at least one circumferential guiding surface of a guiding component.
    • 特别是用于密封气体压缩机的双重密封组件包括第一机械密封组件,其包括一对配合的密封环,其中一个密封环设置成与旋转部件共同旋转,另一个设置旋转固定 在固定部件。 第二机械密封组件包括一对配合的密封环,其中一个密封环被设置成与旋转部件共同旋转,另一个被可旋转地固定在固定部件上。 其中一个密封环是轴向可移动的并且以相对于另一个密封环的偏置力轴向偏置,以在相互密封接合中偏压密封环的面对滑动表面。 提供了二次密封组件,用于相对于引导部件的至少一个周向引导表面密封可轴向移动的密封环。