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    • 9. 发明授权
    • Floating seal ring
    • 浮动密封圈
    • US5299813A
    • 1994-04-05
    • US965557
    • 1992-10-23
    • John M. McKenna
    • John M. McKenna
    • F16J15/44F16J15/38
    • F16J15/441
    • A floating seal ring is disposed within a retainer ring encircling a shaft which extends through the retainer ring. The seal ring is permitted to float radially with respect to the shaft but is retained axially with respect to the shaft. A pin protrudes from the seal ring into a bore in the retainer ring to preclude rotational movement of the seal ring relative to the shaft. The seal ring has an inner diameter which is greater at one end thereof than at the other end thereof so that fluid flow through an annular clearance between the seal ring and the shaft is accelerated. In one embodiment, the seal ring has an annular inner surface that is tapered. In another embodiment, the seal ring has an annular inner surface that is stepped.
    • 浮动密封环设置在围绕延伸穿过保持环的轴的保持环内。 允许密封环相对于轴径向浮动,但是相对于轴轴向地保持。 销从密封圈突出到保持环中的孔中,以防止密封环相对于轴的旋转运动。 密封环的一端的内径大于其另一端的内径,使得流过密封环和轴之间的环形间隙的流体被加速。 在一个实施例中,密封环具有锥形的环形内表面。 在另一个实施例中,密封环具有阶梯状的环形内表面。