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    • 4. 发明授权
    • Seal cleaning and lubricating bearing assembly for a rotating flow diverter
    • 用于旋转分流器的密封清洁和润滑轴承组件
    • US08500337B2
    • 2013-08-06
    • US13350872
    • 2012-01-16
    • Jim BeauchampJed Wood
    • Jim BeauchampJed Wood
    • F16C33/76F16C1/24F16C15/00
    • F16C33/72E21B33/085F16J15/322F16J15/3232F16J15/3236
    • A rotating flow diverter has a lubricated sealed bearing assembly for isolating bearing elements from wellbore fluids under pressure. The sealed bearing assembly is supported between an outer bearing housing and an axially rotatable quill. The bearing assembly further has bearing elements with a bearing lubricant under pressure and a seal assembly. The seal assembly has at least one sealing element which comprises a body, the body having an outer peripheral wall, an inner sealing surface having a plurality of sealing lips and an annular cavity, and a loading ring for compressionally fitting within the annular cavity to urge the sealing surface radially inwardly for sealing engagement with tubulars.
    • 旋转分流器具有润滑的密封轴承组件,用于在压力下将轴承元件与井眼流体隔离。 密封的轴承组件支撑在外部轴承壳体和可轴向旋转的套筒之间。 轴承组件还具有带有轴承润滑剂的轴承元件和密封组件。 所述密封组件具有至少一个密封元件,所述密封元件包括主体,所述主体具有外周壁,具有多个密封唇和环形空腔的内密封表面,以及用于压缩配合在所述环形空腔内的加载环, 密封表面径向向内以与管状物密封接合。