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1. 发明申请

US20130162081A1 HYDRODYNAMIC BEARING ASSEMBLY AND MOTOR INCLUDING THE SAME 审中-公开
标题翻译：水动力轴承组件和包括其的电机
公开(公告)号：US20130162081A1
公开(公告)日：2013-06-27
申请号：US13545293
申请日：2012-07-10
申请人： Bum Cho Kim
发明人： Bum Cho Kim
IPC分类号： H02K5/16
CPC分类号： F16C17/107 , F16C33/107 , F16C2370/12 , G11B19/2036
摘要： There are provided a hydrodynamic bearing assembly and a motor including the same. The hydrodynamic bearing assembly includes: a fixed member; a rotating member forming, together with the fixed member, a bearing clearance filled with a lubricating fluid and rotating relatively with respect to the fixed member; upper and lower radial dynamic pressure grooves formed in at least one of the fixed member and the rotating member forming the bearing clearance therebetween while facing each other in order to generate hydrodynamic pressure at the time of rotation of the rotating member; and an auxiliary groove formed in at least one of the fixed member and the rotating member between the upper and lower radial dynamic pressure grooves in order to pump the lubricating fluid upwardly or downwardly.
摘要翻译：提供了一种流体动力轴承组件和包括该液压轴承组件的马达。流体动力轴承组件包括：固定构件; 旋转构件与固定构件一起形成填充有润滑流体并相对于固定构件旋转的轴承间隙; 形成在所述固定构件和所述旋转构件中的至少一个中的上部和下部径向动压力槽，其在彼此面对的同时形成轴承间隙，以便在旋转构件旋转时产生流体动力学压力; 以及形成在所述上部和下部径向动态压力槽之间的所述固定构件和所述旋转构件中的至少一个中的辅助槽，以便向上或向下泵送润滑流体。

2. 发明申请

US20110293209A1 SPINDLE MOTOR 失效
标题翻译：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。

3. 发明授权

US08408798B2 Spindle motor 失效
标题翻译：主轴电机
公开(公告)号：US08408798B2
公开(公告)日：2013-04-02
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。

4. 发明申请

US20120311616A1 SPINDLE MOTOR HAVING SHAFT WITH AXIALLY UPWARDLY OPENING INSERTION GROOVE 审中-公开
标题翻译：带有轴向开启插入槽的主轴电机
公开(公告)号：US20120311616A1
公开(公告)日：2012-12-06
申请号：US13317929
申请日：2011-11-01
申请人： Hyuk Joo Kim , Ta Kyoung Lee , Bum Cho Kim
发明人： Hyuk Joo Kim , Ta Kyoung Lee , Bum Cho Kim
IPC分类号： G11B19/20
CPC分类号： G11B19/2009
摘要： There is provided a spindle motor including a stator and a rotor, including: a shaft rotatably mounted with respect to the stator; and a rotor case coupled with the shaft and including a protruding part protruded axially downwardly from a lower portion of an inner diameter part thereof, wherein the shaft is provided with an outer wall part formed to have an insertion groove opened axially upwardly into which the protruding part is inserted so as to compensate for a reduction in adhesion due to a reduction in a thickness of the rotor case.
摘要翻译：提供了一种包括定子和转子的主轴电机，包括：相对于定子可旋转地安装的轴; 以及转子壳体，其与所述轴联接并且包括从其内径部分的下部轴向向下突出的突出部分，其中所述轴设置有外壁部分，所述外壁部分形成为具有轴向向上开口的插入槽，插入部件以补偿由于转子壳体的厚度的减小导致的附着力的降低。

5. 发明授权

US08754555B2 Rotating member assembly and spindle motor including the same 失效
标题翻译：旋转构件组件和包括其的主轴电机
公开(公告)号：US08754555B2
公开(公告)日：2014-06-17
申请号：US13530955
申请日：2012-06-22
申请人： Hyuk Joo Kim , Bum Cho Kim , Ta Kyoung Lee
发明人： Hyuk Joo Kim , Bum Cho Kim , Ta Kyoung Lee
IPC分类号： H02K7/00 , H02K5/00 , H02K11/00
CPC分类号： H02K1/28 , F16C17/107 , F16C33/1085 , F16C33/745 , G11B19/2009 , H02K5/1675
摘要： There are provided a rotating member assembly and a spindle motor including the same. The rotating member assembly includes: a shaft including an outer surface step part provided in an outer surface thereof; and a rotor hub including an insertion hole into which the shaft is inserted, the insertion hole including an inner surface step part provided in an inner surface thereof and corresponding to the outer surface step part, such that the inner surface step part and the outer surface step part are fittingly-coupled to each other.
摘要翻译：提供了一种旋转构件组件和包括该旋转构件组件的主轴马达。旋转构件组件包括：轴，其包括设置在其外表面中的外表面台阶部分; 以及转子毂，其包括插入所述轴的插入孔，所述插入孔包括设置在其内表面中并对应于所述外表面台阶部的内表面台阶部，使得所述内表面台阶部和所述外表面步骤部分彼此适配。

6. 发明授权

US08467146B2 Apparatus for clamping disk and motor assembly having the same 失效
标题翻译：用于夹紧盘片和马达组件的装置
公开(公告)号：US08467146B2
公开(公告)日：2013-06-18
申请号：US13137449
申请日：2011-08-16
申请人： Ho Kyung Jang , Jae Jun Kim , Bum Cho Kim , Il Oung Park
发明人： Ho Kyung Jang , Jae Jun Kim , Bum Cho Kim , Il Oung Park
IPC分类号： G11B17/00
CPC分类号： G11B17/0287 , G11B25/043
摘要： There are provided an apparatus for clamping a disk and a motor assembly having the same. The apparatus for clamping a disk according to the present invention includes an apparatus for clamping a disk, including: a rotor case jointed with an outer peripheral surface of a shaft and rotating together with the shaft; a flange part including a disk mounting surface formed at a radial outer side of the rotor case and formed to be inclined as the disk mounting surface is toward the radial outer side; and a clamping member pressing and clamping the disk to the rotor case, wherein an inclination of the disk mounting surface of the flange part is changed depending on the position of the pressing point to the disk of the clamping member.
摘要翻译：提供了一种用于夹紧盘的装置和具有该装置的马达组件。根据本发明的用于夹紧盘的装置包括：用于夹紧盘的装置，包括：与轴的外周表面连接并与轴一起旋转的转子壳; 凸缘部，其包括形成在所述转子壳体的径向外侧的盘安装面，并且形成为当所述盘安装面朝向所述径向外侧时倾斜; 以及将所述盘按压并夹紧到所述转子壳体的夹紧构件，其中，所述凸缘部的所述盘安装面的倾斜度根据所述夹紧构件的所述盘的位置而变化。

7. 发明申请

US20120313470A1 Motor 审中-公开
标题翻译：发动机
公开(公告)号：US20120313470A1
公开(公告)日：2012-12-13
申请号：US13200828
申请日：2011-10-03
申请人： Ta Kyoung Lee , Bum Cho Kim , Hyuk Joo Kim , Sang Jin Park , Jee Ae Noh
发明人： Ta Kyoung Lee , Bum Cho Kim , Hyuk Joo Kim , Sang Jin Park , Jee Ae Noh
IPC分类号： H02K7/08
CPC分类号： H02K7/085 , F16C17/107 , F16C33/107 , F16C33/745 , F16C2240/40 , F16C2240/46 , F16C2370/12
摘要： There is provided a motor including: a sleeve supporting a shaft and a thrust plate coupled to the shaft through oil; a hub operating together with the shaft and including a magnet coupled thereto; a base including the sleeve and a core coupled thereto, the core including a coil wound therearound; and a base cover coupled to the sleeve to thereby close a lower portion of the sleeve, wherein an interval between the sleeve and the hub is smaller than an interval between the thrust plate and the base cover in order to maintain a state of non-contact between the thrust plate and the base cover.
摘要翻译：提供了一种马达，其包括：支撑轴的套筒和通过油联接到轴的推力板; 枢轴，与所述轴一起工作并且包括与其连接的磁体; 包括所述套筒和连接到其上的芯的基座，所述芯部包括卷绕在其上的线圈; 以及底盖，其联接到所述套筒，从而封闭所述套筒的下部，其中所述套筒和所述毂之间的间隔小于所述推力板和所述底盖之间的间隔，以便保持非接触状态在推力板和底盖之间。

8. 发明申请

US20120050913A1 Apparatus for clamping disk and motor assembly having the same 失效
标题翻译：用于夹紧盘片和马达组件的装置
公开(公告)号：US20120050913A1
公开(公告)日：2012-03-01
申请号：US13137449
申请日：2011-08-16
申请人： Ho Kyung Jang , Jae Jun Kim , Bum Cho Kim , Il Oung Park
发明人： Ho Kyung Jang , Jae Jun Kim , Bum Cho Kim , Il Oung Park
IPC分类号： G11B17/02
CPC分类号： G11B17/0287 , G11B25/043
摘要： There are provided an apparatus for clamping a disk and a motor assembly having the same. The apparatus for clamping a disk according to the present invention includes an apparatus for clamping a disk, including: a rotor case jointed with an outer peripheral surface of a shaft and rotating together with the shaft; a flange part including a disk mounting surface formed at a radial outer side of the rotor case and formed to be inclined as the disk mounting surface is toward the radial outer side; and a clamping member pressing and clamping the disk to the rotor case, wherein an inclination of the disk mounting surface of the flange part is changed depending on the position of the pressing point to the disk of the clamping member.
摘要翻译：提供了一种用于夹紧盘的装置和具有该装置的马达组件。根据本发明的用于夹紧盘的装置包括：用于夹紧盘的装置，包括：与轴的外周表面连接并与轴一起旋转的转子壳; 凸缘部，其包括形成在所述转子壳体的径向外侧的盘安装面，并且形成为当所述盘安装面朝向所述径向外侧时倾斜; 以及将所述盘按压并夹紧到所述转子壳体的夹紧构件，其中，所述凸缘部的所述盘安装面的倾斜度根据所述夹紧构件的所述盘的位置而变化。

9. 发明申请

US20120014016A1 Motor and recording disc driving device 失效
公开(公告)号：US20120014016A1
公开(公告)日：2012-01-19
申请号：US12926803
申请日：2010-12-09
申请人： Bum Cho Kim , Sang Jin Park , Jee Ae Noh
发明人： Bum Cho Kim , Sang Jin Park , Jee Ae Noh
IPC分类号： H02K7/08 , G11B5/54
CPC分类号： G11B19/2009 , F16C17/107 , F16C2370/12 , H02K1/2753 , H02K1/30
摘要： There are provided a motor and a recording disc driving device, which may improve a coupling structure of the motor to enable a magnet provided in a rotor to thereby double as a conventional stopper. The motor may include: a sleeve into which a shaft is rotatably inserted; a sleeve holder including a body part into which the sleeve is inserted, and a flange part protruded from an upper end portion of the body part in an outer diameter direction; a rotor case fastened to an upper end portion of the shaft, and formed such that a cylindrically shaped-rotor main wall is protruded downwardly in an axial direction to receive the flange part; a magnet fastened to a distal end of the rotor main wall so that a part of the magnet is protruded downwardly of the flange part; and a stator fastened to face the magnet, and generating an electromagnetic force.

10. 发明申请

US20130241332A1 ROTATING MEMBER ASSEMBLY AND SPINDLE MOTOR INCLUDING THE SAME 失效
标题翻译：旋转构件组件和主轴包括它
公开(公告)号：US20130241332A1
公开(公告)日：2013-09-19
申请号：US13530955
申请日：2012-06-22
申请人： Hyuk Joo Kim , Bum Cho Kim , Ta Kyoung Lee
发明人： Hyuk Joo Kim , Bum Cho Kim , Ta Kyoung Lee
IPC分类号： H02K7/08
CPC分类号： H02K1/28 , F16C17/107 , F16C33/1085 , F16C33/745 , G11B19/2009 , H02K5/1675
摘要： There are provided a rotating member assembly and a spindle motor including the same. The rotating member assembly includes: a shaft including an outer surface step part provided in an outer surface thereof; and a rotor hub including an insertion hole into which the shaft is inserted, the insertion hole including an inner surface step part provided in an inner surface thereof and corresponding to the outer surface step part, such that the inner surface step part and the outer surface step part are fittingly-coupled to each other.
摘要翻译：提供了一种旋转构件组件和包括该旋转构件组件的主轴马达。旋转构件组件包括：轴，其包括设置在其外表面中的外表面台阶部分; 以及转子毂，其包括插入所述轴的插入孔，所述插入孔包括设置在其内表面中并对应于所述外表面台阶部的内表面台阶部，使得所述内表面台阶部和所述外表面步骤部分彼此适配。

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