WINDAGE BLOCKER FOR OIL ROUTING
    3.
    发明申请

    公开(公告)号:US20210123385A1

    公开(公告)日:2021-04-29

    申请号:US16661459

    申请日:2019-10-23

    Abstract: A scupper suitable for a bearing compartment of a gas turbine engine includes a windage blocker in a gutter section upstream of a drain hole, the windage blocker extends from a wall of the gutter section. A method for capturing wept oil in a bearing compartment of a gas turbine engine includes positioning a windage blocker adjacent to a drain hole forming a passage space and increasing a pressure upstream of the windage blocker to generate a vortex downstream of the windage blocker creating an oil re-circulation zone promoting oil drainage into the drain hole.

    Bearing with non-uniform cage clearance

    公开(公告)号:US10215232B2

    公开(公告)日:2019-02-26

    申请号:US15589036

    申请日:2017-05-08

    Abstract: A bearing with non-uniform cage clearance is provided. The bearing may comprise an inner ring having a first inner ring surface radially opposite a second inner ring surface; bearing elements in contact with the first inner ring surface; an outer bearing ring surrounding the inner bearing ring and the bearing elements; and a bearing cage having a first bearing cage surface radially opposite a second bearing cage surface and configured to surround and retain the bearing elements. At least one of the first inner ring surface, the first bearing cage surface, the second bearing cage surface, or a second outer ring surface of the outer ring may comprise an out of round shape having one or more peaks and one or more valleys relative to a radial centerpoint of the bearing.

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