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    SPINDLE MOTOR
    16.
    发明申请
    SPINDLE MOTOR 失效
    主轴电机

    公开(公告)号：US20110293209A1

    公开(公告)日：2011-12-01

    申请号：US12880531

    申请日：2010-09-13

    申请人： Hyuk Joo Kim ,  Bum Cho Kim ,  Young Ha Park ,  Tae Young Choi

    发明人： Hyuk Joo Kim ,  Bum Cho Kim ,  Young Ha Park ,  Tae Young Choi

    IPC分类号： F16C32/06

    CPC分类号： G11B19/2036 ,  F16C17/107 ,  F16C17/24 ,  F16C2370/12

    摘要： Disclosed herein is a spindle motor having a fluid dynamic bearing as an oil gap formed between a rotator and a stator, wherein the stator includes a sleeve having a protruding part extending in a circumferential direction formed on the upper part thereof, the rotator includes a hub including an oil interface forming member positioned under the protruding part of the sleeve and coupled to the lower end thereof, and an oil interface of the oil gap is formed between the upper part of the oil interface forming member and the lower part of the protruding part of the sleeve.

    摘要翻译： 这里公开了一种主轴电动机，其具有作为形成在转子和定子之间的油隙的流体动力轴承，其中定子包括具有沿形成在其上部的圆周方向延伸的突出部的套筒，所述转子包括毂 包括定位在套筒的突出部分下方并且连接到其下端的油界面形成构件，并且在油界面形成构件的上部和突出部分的下部之间形成油隙的油界面 的袖子。