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1. 发明专利

JP2013212050A Spindle motor for hard disk device use 审中-公开
标题翻译：用于硬盘设备的主轴电机
公开(公告)号：JP2013212050A
公开(公告)日：2013-10-10
申请号：JP2013142099
申请日：2013-07-05
申请人： Samsung Electromechanics Japan Advanced Technology Co Ltd , サムスン電機ジャパンアドバンスドテクノロジー株式会社
发明人： YAMADA OSAMU
IPC分类号： H02K7/08 , F16C17/10 , F16C33/74 , H02K5/16 , H02K21/22
摘要： PROBLEM TO BE SOLVED: To provide a spindle motor having small wobble of a shaft and long life despite thin wall thickness.SOLUTION: A spindle motor is equipped with: a shaft inserted into a sleeve and rotates to a base; a hub that integrally rotates with the shaft; a radial dynamic pressure bearing portion formed between the shaft and the sleeve; a flange portion provided in a protruded manner in a radial direction for an outer circumference of the sleeve; an annular wall portion provided in a protruded manner for the hub in a direction surrounding the sleeve; and an annular thrust ring which is adjacent to an axial direction of the flange portion and the shaft, and fixed to the inner circumference of the wall portion. Then, the motor is equipped with a lubricant filling section which includes a gap between inner circumference surface at least from the top portion to a closed end of the sleeve and the shaft, a gap between the sleeve and the hub, a gap between the sleeve and the thrust ring, a gap between the thrust ring and the sleeve, and has only one open end which is formed so as to surround the radial dynamic pressure bearing portion at a position closer to the closed end of the sleeve than an end portion on the base side of the thrust ring in a rotational axis direction.
摘要翻译：要解决的问题：提供一种具有小轴摆动的主轴电机，并且尽管薄壁厚度长，但寿命长。解决方案：主轴电机配备有：轴插入套筒中并旋转到底座; 与轴一体地旋转的轮毂; 形成在所述轴和所述套筒之间的径向动压承受部; 凸缘部，其沿着径向突出地设置在套筒的外周; 以围绕套筒的方向以突出方式设置的轮毂的环形壁部; 以及与凸缘部和轴的轴向相邻并固定在壁部的内周的环状的推力环。然后，电动机配备有润滑剂填充部分，该润滑剂填充部分包括至少从套筒的顶部到封闭端的内周表面与轴之间的间隙，套筒和轮毂之间的间隙，套筒与套筒之间的间隙推力环是推力环和套筒之间的间隙，并且只有一个开口端形成为围绕径向动压轴承部分在比套筒的封闭端更靠近套筒的封闭端的位置上推力环的基部侧沿旋转轴线方向。

2. 发明专利

JP2013127830A Disk drive device 审中-公开
标题翻译：磁盘驱动器
公开(公告)号：JP2013127830A
公开(公告)日：2013-06-27
申请号：JP2011276688
申请日：2011-12-19
申请人： Samsung Electromechanics Japan Advanced Technology Co Ltd , サムスン電機ジャパンアドバンスドテクノロジー株式会社
发明人： YAMADA OSAMU , TANAKA SHINJI
IPC分类号： G11B33/12 , G11B33/14
CPC分类号： G11B33/1446 , G06F1/16 , G11B25/043 , G11B33/122 , H02K3/50 , H02K2203/03
摘要： PROBLEM TO BE SOLVED: To reduce leak from a wire drawing hole in a base.SOLUTION: A disk drive device comprises: a base with a base hole; a rotor which is provided on a first face side of the base and on which a recording disk is placed; a wiring member which includes a first film, a second film, and a wiring conductor interposed between the first and second films and is provided on a second face of the base, thereby covering the base hole; a lead wire passed through the base hole and fixed to a wire connection part on the wiring conductor; a thickness decreasing part which is a portion whose thickness decreases in correspondence to the edge of the wiring conductor, and positioned outside the base hole in a plane direction; and a slot with no conductor, which is an area whose entire circumference is surrounded with the wiring conductor in a planar direction between the first and second films, and which is interposed between the wire connection part and the thickness decreasing part.
摘要翻译：要解决的问题：减少底座中的拉丝孔的泄漏。解决方案：盘驱动装置包括：具有底孔的底座; 转子，其设置在所述基座的第一面侧，并且配置有记录盘; 布线构件，其包括第一膜，第二膜和插入在第一膜和第二膜之间的布线导体，并且设置在基座的第二面上，从而覆盖基孔; 导线穿过基座孔并固定到布线导体上的导线连接部分; 厚度减少部分，其厚度对应于布线导体的边缘减小，并且位于基座孔的外侧; 以及没有导体的槽，其是在第一和第二膜之间的平面方向上的布线导体的整个周边被包围的区域，并且位于导线连接部和厚度减小部之间。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2013158243A Spindle motor for hard disk device 审中-公开
标题翻译：用于硬盘设备的主轴电机
公开(公告)号：JP2013158243A
公开(公告)日：2013-08-15
申请号：JP2013097005
申请日：2013-05-02
申请人： Samsung Electromechanics Japan Advanced Technology Co Ltd , サムスン電機ジャパンアドバンスドテクノロジー株式会社
发明人： YAMADA OSAMU
IPC分类号： H02K7/08 , F16C17/10 , F16C33/74
摘要： PROBLEM TO BE SOLVED: To provide a spindle motor which enables reduction in swinging of a shaft and has a long service life although having a thin thickness.SOLUTION: A spindle motor includes: a shaft internally inserted to a sleeve and rotating relative to a base; a hub rotating integrally with the shaft; a radial dynamic pressure bearing part formed between the shaft and the sleeve; a flange part installed on an outer peripheral portion of the sleeve to project in the radial direction; an annular wall part installed in the hub to project in a direction surrounding the sleeve; and an annular thrust ring which is installed adjacent to the flange part in the axial direction of the shaft and is fixed to an inner peripheral portion of the wall part. The spindle motor includes a lubricant filling part which contains at least a clearance between an inner peripheral surface from an upper part to a closed end of the sleeve and the shaft, a clearance between the sleeve and the hub, a clearance between the sleeve and the thrust ring and a clearance between the thrust ring and the sleeve and has only one opening end formed at a position nearer to the closed end of the sleeve from an end on the base side of the thrust ring in the rotating shaft direction to surround the radial dynamic pressure bearing part.
摘要翻译：要解决的问题：提供一种能够减少轴的摆动并且具有较长使用寿命的主轴电机，尽管其厚度薄。解决方案：主轴电机包括：内部插入套筒并相对于基座旋转的轴 ; 与轴一体旋转的轮毂; 形成在所述轴和所述套筒之间的径向动压轴承部; 安装在所述套筒的外周部的凸缘部，以沿径向突出的方式; 安装在所述毂中的环形壁部，以围绕所述套筒的方向突出; 以及环形推力环，其在所述轴的轴向方向上与所述凸缘部相邻地安装并固定到所述壁部的内周部。主轴电动机包括润滑剂填充部分，该润滑剂填充部分至少包括从套筒的上部到封闭端的内周表面与轴之间的间隙，套筒和轮毂之间的间隙，套筒和套筒之间的间隙推力环和止推环与套筒之间的间隙，并且仅在一个开口端形成在更靠近套筒封闭端的位置处，从旋转轴方向上的推力环的基部侧的端部包围径向动压轴承部件。

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