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    • 51. 发明授权
    • 유체 베어링 장치
    • 유체베어링장치
    • KR100213879B1
    • 1999-08-02
    • KR1019960050379
    • 1996-10-30
    • 삼성전자주식회사
    • 엄재용이창우
    • F16C17/00
    • F16C33/107F16C17/107F16C19/10F16C19/163F16C21/00F16C2370/12G11B19/2018
    • A fluid bearing apparatus includes a thrust load supporting portion formed between an external side surface of a fixing shaft and an internal side wall of an opening in a bushing; the surface and wall facing each other. The thrust load supporting portion includes a ball inserting groove formed on the external side surface of the fixing shaft and/or the internal side wall of the bushing and a ball inserted into the ball inserting groove. The upper end portion of the shaft is lower than the upper end portion of the bushing. Since the thrust load is supported by the balls instead of by the upper end portion of the fixing shaft, it is possible to prevent movement of the fixing shaft when the fluid bearing apparatus starts to rotate. The frictional resistance of the upper end portion of the fixing shaft can be reduced when the fluid bearing apparatus starts to rotate and stops its rotation.
    • 一种流体轴承装置,其特征在于,具备:推力载荷支承部,其形成在固定轴的外侧面与衬套的开口的内侧壁之间; 表面和墙壁相互面对。 推力载荷支撑部分包括形成在固定轴的外侧表面和/或衬套的内侧壁上的球插入槽以及插入球插入槽中的球。 轴的上端部分低于套管的上端部分。 由于推力载荷由滚珠支承而不是由固定轴的上端部支承,所以当流体轴承装置开始转动时可防止固定轴的运动。 当流体轴承装置开始旋转并停止旋转时,可以减小固定轴的上端部分的摩擦阻力。
    • 56. 发明公开
    • 유체동압 베어링 장치 및 이것을 구비하는 모터
    • 流体动力轴承装置及其所提供的电动机
    • KR1020160092999A
    • 2016-08-05
    • KR1020167013268
    • 2014-12-05
    • 엔티엔 가부시키가이샤
    • 아라이타카오이토후유키후지와라미키히사
    • F16C17/10F16C33/74H02K5/167
    • F16C17/102F16C17/107F16C33/745F16C2370/12H02K5/167H02K5/1677
    • 소결금속제의베어링슬리브(8)와, 베어링슬리브(8)의내주에삽입된축부(21), 및축부(21)의일단으로부터지름방향외측으로돌출된허브부(23)를갖는회전체(2)를구비하고, 회전체(2)의회전에따라베어링슬리브(8)의상단면(8b) 및하단면(8c)에서각각제 1 및제 2 스러스트베어링부(T1, T2)의스러스트베어링간극이형성되는유체동압베어링장치(1)에있어서, 베어링슬리브(8)의적어도외주면에봉공처리가실시되고, 베어링슬리브(8)의테이퍼상외주면(8d1)에서윤활유의유면을유지한밀봉간극(S)이형성되며, 또한베어링슬리브(8)의하단외주에바닥이있는통 형상의덮개부재(10)가고정되어있다.
    • 提供一种流体动力轴承装置(1),包括:由烧结金属制成的轴承套(8); 包括沿着所述轴承套筒(8)的内周插入的轴部(21)和从所述轴部(21)的一端径向向外延伸的毂部(23)的旋转构件(2) 以及分别在所述轴承套筒(8)的上端面(8b)和下端面(8c)上分别形成推力轴承间隙的第一和第二止推轴承部分(T1,T2)以及所述旋转部件(2)的旋转 )。 轴承套(8)的至少外周面进行孔密封处理。 用于保持润滑油的油面的密封间隙(S)沿轴承套(8)的锥形外周面(8d1)形成。 具有有底圆柱形状的盖构件(10)固定到轴承套(8)的下端的外周。
    • 58. 发明公开
    • 스핀들 모터 및 이를 포함하는 하드 디스크 드라이브
    • 主轴电机和硬盘驱动器包括相同
    • KR1020150039353A
    • 2015-04-10
    • KR1020130117819
    • 2013-10-02
    • 삼성전기주식회사
    • 오송본정신영이금경
    • G11B19/20
    • G11B19/2009F16C17/107F16C33/745F16C2370/12H02K5/1675H02K7/08H02K2205/03
    • 본발명은스핀들모터및 하드디스크드라이브에관한것으로서, 베이스부재에고정설치되는하부스러스트부재와, 상기하부스러스트부재에고정설치되는샤프트와, 상기하부스러스트부재의상부에배치되며, 상기샤프트에회전가능하게설치되는슬리브및 상기슬리브에결합되어상기슬리브와연동하여회전되는로터허브를포함하고, 상기하부스러스트부재는, 축방향상부로돌출되고상기샤프트의하단에축 방향상부로함입되어형성되는고정홈에끼움고정되는끼움돌기를구비하고, 상기슬리브의하면과의사이에스러스트베어링을형성하는스러스트베어링면을구비하며, 반경방향외측단에축 방향상측으로돌출되어상기슬리브를감싸면서상기슬리브의외측면과의사이에기액계면을형성하는연장부를구비하고, 상기스러스트베어링면의반경방향내측및 외측방향에는일측으로함입되는내측오목부및 외측오목부를구비할수 있다.
    • 主轴电动机和硬盘驱动器技术领域本发明涉及一种主轴电动机和硬盘驱动器,包括:固定地安装在基座部件上的下推力部件; 固定地安装在下推力构件上的轴; 套筒,其布置在下推力构件的上侧,并安装在所述轴中以可旋转; 以及与套筒组合并通过与套筒的互连而旋转的转子轮毂。 下推力构件包括:嵌合突出部,其固定地配合在沿轴向上侧突出的固定槽中,并且在轴向上侧的凹部的下侧凹陷; 止推轴承表面,其在具有套筒下侧的空间中具有推力轴承; 以及在半径方向的外侧沿轴向上侧突出的延伸部,围绕套筒,并在与套筒的外侧的空间中形成液 - 气界面; 内凹部和外凹部在其一侧凹入,并且形成在推力轴承面的半径方向的内外方向上。
    • 60. 发明公开
    • 스핀들 모터 및 이를 포함하는 하드 디스크 드라이브
    • 主轴电机和硬盘驱动器,包括它们
    • KR1020140113194A
    • 2014-09-24
    • KR1020130028273
    • 2013-03-15
    • 삼성전기주식회사
    • 스미르노프,비아체슬라브
    • G11B19/20
    • G11B19/2018F16C17/107F16C2370/12G11B19/2009H02K5/1675H02K7/085
    • A spindle motor according to one embodiment of the present invention includes: a rotating member which includes a shaft having a fixing groove on the lower side thereof, a hub base extended from the upper side of the shaft to the outside in a radius direction, and a magnet support unit extended from the outer end of the hub base to the lower side in an axial direction; a sleeve which supports the rotating member to rotate; and a stopper which includes a fixing unit inserted into the fixing groove and a flange part extended from the end of the fixing unit to the outside in the radius direction. The flange part includes a groove part having a groove recessed inwards and an extension part extended from the groove part to the outside in the radius direction.
    • 根据本发明的一个实施例的主轴电动机包括:旋转构件,其包括在其下侧具有固定槽的轴,沿轴向从轴的上侧延伸到外侧的轮毂座,以及 磁体支撑单元,其从轴套的外端沿轴向延伸到下侧; 支撑旋转构件旋转的套筒; 以及止动件,其包括插入到所述固定槽中的固定单元和从所述固定单元的端部在所述半径方向上延伸到外部的凸缘部。 凸缘部包括具有向内凹入的凹槽和从凹槽部向半径方向延伸到外侧的延伸部的凹槽部。