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    • 1. 发明申请
    • DUAL LABYRINTH FLUID SEAL WITH FLUID SLINGER
    • 双液体流体密封与流体洗衣机
    • WO1984002382A1
    • 1984-06-21
    • PCT/US1982001729
    • 1982-12-10
    • CATERPILLAR TRACTOR CO.AMDALL, John, K.BALLHEIMER, Benny
    • CATERPILLAR TRACTOR CO.
    • F16J15/42
    • F16J15/54F16J15/164F16J15/4476
    • A fluid seal device (10) has a plurality of non-contacting fluid seals located at the operative interface (16) between a stationary member (18) and a rotatable member (20) for preventing the leakage of a fluid from a fluid chamber (14). The first of the non-contacting seals (24) is a labyrinth seal (32) located adjacent the fluid chamber (14). The second non-contacting seal (40) is a spiral groove (42) located adjacent and in serial relation to the labyrinth seal (32). A third non-contacting seal (60) is a fluid slinger (62) which is located between the fluid chamber (14) and the labyrinth seal (32) for directing fluid (12) away from the path of operative interface (16). The fluid seal device (10) eliminates friction and increases the life expectancy thereof when used at the operative interface (16) between a stationary member (18) and a rotatable member (20) such as a crankshaft and block of an engine.
    • 流体密封装置(10)具有位于固定构件(18)和可旋转构件(20)之间的操作界面(16)处的多个非接触式流体密封件,用于防止流体从流体室泄漏 14)。 非接触式密封件(24)中的第一个是位于流体室(14)附近的迷宫式密封件(32)。 第二非接触式密封件(40)是与迷宫式密封件(32)相邻并且与其相连的一个螺旋槽(42)。 第三非接触式密封件(60)是位于流体室(14)和迷宫式密封件(32)之间的流体抛油环(62),用于引导流体(12)远离操作界面(16)的路径。 当在固定构件(18)和诸如发动机的曲轴和块的可旋转构件(20)之间的操作界面(16)处使用时,流体密封装置(10)消除摩擦并增加其使用寿命。