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1. 发明申请

US20120262823A1 DISK DRIVE DEVICE WITH HUB 失效
标题翻译：磁盘驱动器与集线器
公开(公告)号：US20120262823A1
公开(公告)日：2012-10-18
申请号：US13530433
申请日：2012-06-22
申请人： Takanori WATANABE , Hiroshi IWAI , Tomoyuki TASHIRO
发明人： Takanori WATANABE , Hiroshi IWAI , Tomoyuki TASHIRO
IPC分类号： G11B19/20
CPC分类号： G11B19/2009 , G11B19/2045 , H02K3/28
摘要： The disk drive device includes a base member, a hub, a bearing unit which is arranged on the base member and which rotatably supports the hub, and a spindle drive unit which drives the hub to rotate. The spindle drive unit includes a stator core having a salient pole, a coil wound around the salient pole and a magnet opposed to the salient pole. The hub formed of magnetic material includes an outer cylinder portion engaged with an inner circumference of a recording disk and an inner cylinder portion to which an outer circumference of the magnet is fixed. The diameter of the inner cylinder portion is larger than the diameter of the outer cylinder portion.
摘要翻译：盘驱动装置包括基座构件，轮毂，布置在基座构件上并且可旋转地支撑轮毂的轴承单元和驱动轮毂旋转的主轴驱动单元。主轴驱动单元包括具有凸极的定子芯，缠绕在凸极上的线圈和与凸极相对的磁体。由磁性材料构成的毂包括与记录盘的内周接合的外筒部和固定有磁体的外周的内筒部。内筒部的直径大于外筒部的直径。

2. 发明申请

US20110043948A1 DISK DRIVE DEVICE WITH HUB 失效
标题翻译：磁盘驱动器与集线器
公开(公告)号：US20110043948A1
公开(公告)日：2011-02-24
申请号：US12545751
申请日：2009-08-21
申请人： Takanori WATANABE , Hiroshi IWAI , Tomoyuki TASHIRO
发明人： Takanori WATANABE , Hiroshi IWAI , Tomoyuki TASHIRO
IPC分类号： G11B21/16
CPC分类号： G11B19/2009 , G11B19/2045 , H02K3/28
摘要： The disk drive device includes a base member, a hub, a bearing unit which is arranged on the base member and which rotatably supports the hub, and a spindle drive unit which drives the hub to rotate. The spindle drive unit includes a stator core having a salient pole, a coil wound around the salient pole and a magnet opposed to the salient pole. The hub formed of magnetic material includes an outer cylinder portion engaged with an inner circumference of a recording disk and an inner cylinder portion to which an outer circumference of the magnet is fixed. The diameter of the inner cylinder portion is larger than the diameter of the outer cylinder portion.
摘要翻译：盘驱动装置包括基座构件，轮毂，布置在基座构件上并且可旋转地支撑轮毂的轴承单元和驱动轮毂旋转的主轴驱动单元。主轴驱动单元包括具有凸极的定子芯，缠绕在凸极上的线圈和与凸极相对的磁体。由磁性材料构成的毂包括与记录盘的内周接合的外筒部和固定有磁体的外周的内筒部。内筒部的直径大于外筒部的直径。

3. 发明申请

US20100238590A1 DISK DRIVE DEVICE ROTATIONALLY DRIVING RECORDING DISK 失效
标题翻译：磁盘驱动装置旋转驱动记录盘
公开(公告)号：US20100238590A1
公开(公告)日：2010-09-23
申请号：US12694967
申请日：2010-01-27
申请人： Tomoyuki TASHIRO , Yoshio HIRATA , Hiroshi IWAI
发明人： Tomoyuki TASHIRO , Yoshio HIRATA , Hiroshi IWAI
IPC分类号： G11B17/02
CPC分类号： G11B25/043
摘要： A disk drive device is provided with a base, a hub on which a recording disk is to be mounted, a bearing unit arranged on the base and configured to rotatably support the hub, and a spindle drive unit configured to rotatably drive the hub. A circumferential ring wall portion is arranged on the outer circumference of the base and formed of a plastic.
摘要翻译：磁盘驱动装置设置有基座，其上安装有记录盘的轮毂，布置在基座上并构造成可旋转地支撑轮毂的轴承单元，以及构造成可旋转地驱动轮毂的主轴驱动单元。圆周环壁部分布置在基座的外圆周上并由塑料制成。

4. 发明申请

US20100254044A1 DISK DRIVE DEVICE HAVING FLUID DYNAMIC BEARING WITH POROUS MEMBER AT POSITION IN WHICH LUBRICANT IS CHARGED 失效
标题翻译：具有多孔润滑剂位置的流体动力轴承的磁盘驱动装置
公开(公告)号：US20100254044A1
公开(公告)日：2010-10-07
申请号：US12732582
申请日：2010-03-26
申请人： Tomoyuki TASHIRO
发明人： Tomoyuki TASHIRO
IPC分类号： G11B21/16
CPC分类号： G11B19/2036
摘要： The present invention provides a disk drive device that can easily be reduced in size with a simple structure by reducing foreign matters floating in a lubricant to reduce inconvenience caused by the floating foreign matters. The disk drive device includes a fixed body section, a rotating body section, a bearing unit and a drive unit. The bearing unit includes a shaft that is a rotation center, a sleeve that has an accommodating portion in which the shaft is accommodated and that permits relative rotation around the shaft, a radial space defined by an inner wall surface of the sleeve-accommodating portion and an outer wall surface of the shaft, first and second radial dynamic pressure grooves that generate a radial dynamic pressure in at least one of the inner wall surface of the sleeve and the outer wall surface of the shaft that define the radial space, a lubricant charged into the radial space, and a porous filter that is disposed in at least a portion of the charging space in which the lubricant is charged, thereby capturing a foreign matter contained in the lubricant.
摘要翻译：本发明提供一种磁盘驱动装置，通过减少漂浮在润滑剂中的异物，可以通过简单的结构容易地减小尺寸，以减少浮动异物引起的不便。盘驱动装置包括固定体部，旋转体部，轴承部和驱动部。所述轴承单元包括作为旋转中心的轴，套筒具有容纳部，所述轴容纳在所述容纳部中，所述容纳部容纳所述轴，并且允许绕所述轴的相对旋转;由所述套筒容纳部的内壁表面限定的径向空间;以及所述轴的外壁表面，在所述套筒的内壁表面和限定所述径向空间的所述轴的外壁表面中的至少一个中产生径向动压力的第一和第二径向动压力槽，并且设置在充电空间的至少一部分中的润滑剂被填充的多孔过滤器，从而捕获包含在润滑剂中的异物。

5. 发明申请

US20110176240A1 DISK DRIVE DEVICE THAT ROTATES A DISK 失效
标题翻译：磁盘驱动设备旋转磁盘
公开(公告)号：US20110176240A1
公开(公告)日：2011-07-21
申请号：US12959999
申请日：2010-12-03
申请人： Tomoyuki TASHIRO
发明人： Tomoyuki TASHIRO
IPC分类号： G11B5/012 , H02K1/02 , G11B5/127
CPC分类号： H02K1/02 , G11B19/2009 , H02K1/146 , Y10T29/49021
摘要： A disk drive device comprises a hub on which a magnetic recording disk is to be mounted; a base rotatably supporting the hub through a bearing unit; a sintered core fixed to the base, the sintered core having a ring portion and nine teeth that extend radially from the ring portion; coils wound around nine teeth; and a cylindrical magnet fixed to the hub. The sintered core is formed by heat-treating an iron powder. At least one of (a) the surfaces of particles of the iron powder and (b) the surfaces of the sintered core is insulated.
摘要翻译：磁盘驱动器装置包括其上安装有磁记录盘的集线器; 通过轴承单元可旋转地支撑轮毂的基座; 固定在基座上的烧结芯，烧结芯具有环部分和九个从环部径向延伸的齿; 线圈缠绕九颗牙齿; 和固定在轮毂上的圆柱形磁铁。烧结芯通过对铁粉进行热处理而形成。（a）铁粉颗粒的表面和（b）烧结芯的表面绝缘的至少之一。

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