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    • 1. 发明授权
    • Card seal with conical flexible seal
    • 卡密封带锥形柔性密封
    • US08152462B1
    • 2012-04-10
    • US12543796
    • 2009-08-19
    • Gregory C Williams
    • Gregory C Williams
    • F01D11/02
    • F01D11/02F05D2240/59F16J15/3292
    • A card seal with an annular arrangement of cards that are positioned within an annular groove of a casing, and a conical flexible seal is secured to the casing on the low pressure side of the cards. The cards and the flexible seal both includes slanted surfaces that interact during operation such that the flexible seal gap decreases with the rotor shaft and the cards are secured within the annular groove during assembly and installation of the card seal. The flexible seal blocks leakage through the cards and includes an axial extending inner end that can include an abradable material to allow for rub with the shaft while decreasing the gap to prevent leakage across the cards.
    • 具有定位在壳体的环形凹槽内的卡环的环形卡片和圆锥形柔性密封件的卡片密封件固定到卡片的低压侧上的壳体。 卡片和柔性密封件都包括在操作期间相互作用的倾斜表面,使得柔性密封间隙随着转子轴的减小而减小,并且在组装和安装卡片密封件期间卡被固定在环形凹槽内。 柔性密封件阻止通过卡片的泄漏,并且包括轴向延伸的内端,其可以包括可磨损材料,以允许与轴一起摩擦,同时减小间隙以防止渗漏在卡上。