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1. 发明申请

US20120104889A1 Spindle motor 审中-公开
标题翻译：主轴电机
公开(公告)号：US20120104889A1
公开(公告)日：2012-05-03
申请号：US13317852
申请日：2011-10-31
申请人： Young Tae Kim , Jin San Kim , Ta Kyoung Lee
发明人： Young Tae Kim , Jin San Kim , Ta Kyoung Lee
IPC分类号： H02K7/08
CPC分类号： H02K5/1675 , F16C17/045 , F16C33/08 , F16C2240/54 , F16C2240/56 , F16C2370/12 , H02K2205/03
摘要： There is provided a spindle motor including: a sleeve including a hollow part having a shaft inserted thereinto and rotatably supporting the shaft; a thrust plate coupled to a lower portion of the shaft in an axial direction to thereby rotate together with the shaft; a cover plate coupled to a lower portion of the sleeve in the axial direction and covering the hollow part; and a step part stepped upwardly from a lower surface of the thrust plate in the axial direction so that the shaft and the thrust plate are easily coupled to each other and having surface roughness greater than that of other portions of the thrust plate.
摘要翻译：提供了一种主轴电动机，其包括：套筒，其包括具有插入其中并且可旋转地支撑轴的中空部分; 推力板，其沿轴向联接到所述轴的下部，从而与所述轴一起旋转; 盖板，其沿轴向联接到套筒的下部并覆盖中空部分; 以及从推力板的下表面沿轴向向上台阶的步骤部分，使得轴和推力板彼此容易地联接并且具有比推力板的其它部分的表面粗糙度更大的表面粗糙度。

2. 发明申请

US20100005662A1 Method of manufacturing hydrodynamic bearing 失效
标题翻译：制造流体动力轴承的方法
公开(公告)号：US20100005662A1
公开(公告)日：2010-01-14
申请号：US12285879
申请日：2008-10-15
申请人： Young Tae Kim , Jin San Kim , Young Hwan Lim , II Oung Park , Ta Kyoung Lee
发明人： Young Tae Kim , Jin San Kim , Young Hwan Lim , II Oung Park , Ta Kyoung Lee
IPC分类号： B21D53/10
CPC分类号： B21D53/10 , F16C17/02 , F16C17/026 , F16C33/14 , F16C2220/20 , F16C2220/66 , F16C2220/68 , F16C2223/04 , Y10T29/49639 , Y10T29/49702 , Y10T29/49707 , Y10T29/49709
摘要： Disclosed herein is a method of manufacturing a hydrodynamic bearing in which a metal bearing made of sintered metal powder is internally subjected to chemical etching, to form hydrodynamic pressure grooves thereon, thus assuring a high-precision and reliable hydrodynamic bearing. The method includes: compressing metal powder that is a raw material of the bearing in a press unit, and sintering the compressed metal powder at a predetermined temperature, thus preparing a sintered bearing; removing foreign substances adhering to the sintered bearing through a deburring process, and pressing the sintered bearing into a desired shape; forming a hydrodynamic groove, configured to generate hydrodynamic pressure, on an internal surface of the shaped bearing using chemical etching; and conducting a post treatment of cleaning the bearing including the hydrodynamic grooves thereon and drying the bearing.
摘要翻译：本文公开了一种制造流体动力轴承的方法，其中由烧结金属粉末制成的金属轴承在内部进行化学蚀刻，以在其上形成流体动力学压力槽，从而确保高精度和可靠的流体动力轴承。该方法包括：在压制单元中压制作为轴承原料的金属粉末，并在预定温度下烧结压缩的金属粉末，从而制备烧结轴承; 通过去毛刺处理去除附着在烧结轴承上的异物，将烧结后的轴承压制成所希望的形状; 使用化学蚀刻形成在所述成形轴承的内表面上产生流体动力学压力的流体动力槽; 并对其上包括流体动力槽的轴承进行清洗，并干燥轴承。

3. 发明授权

US08230599B2 Method of manufacturing hydrodynamic bearing 失效
标题翻译：制造流体动力轴承的方法
公开(公告)号：US08230599B2
公开(公告)日：2012-07-31
申请号：US12285879
申请日：2008-10-15
申请人： Young Tae Kim , Jin San Kim , Young Hwan Lim , Il Oung Park , Ta Kyoung Lee
发明人： Young Tae Kim , Jin San Kim , Young Hwan Lim , Il Oung Park , Ta Kyoung Lee
IPC分类号： B21D53/10 , B23H3/00
CPC分类号： B21D53/10 , F16C17/02 , F16C17/026 , F16C33/14 , F16C2220/20 , F16C2220/66 , F16C2220/68 , F16C2223/04 , Y10T29/49639 , Y10T29/49702 , Y10T29/49707 , Y10T29/49709
摘要： Disclosed herein is a method of manufacturing a hydrodynamic bearing in which a metal bearing made of sintered metal powder is internally subjected to chemical etching, to form hydrodynamic pressure grooves thereon, thus assuring a high-precision and reliable hydrodynamic bearing. The method includes: compressing metal powder that is a raw material of the bearing in a press unit, and sintering the compressed metal powder at a predetermined temperature, thus preparing a sintered bearing; removing foreign substances adhering to the sintered bearing through a deburring process, and pressing the sintered bearing into a desired shape; forming a hydrodynamic groove, configured to generate hydrodynamic pressure, on an internal surface of the shaped bearing using chemical etching; and conducting a post treatment of cleaning the bearing including the hydrodynamic grooves thereon and drying the bearing.
摘要翻译：本文公开了一种制造流体动力轴承的方法，其中由烧结金属粉末制成的金属轴承在内部进行化学蚀刻，以在其上形成流体动力学压力槽，从而确保高精度和可靠的流体动力轴承。该方法包括：在压制单元中压制作为轴承原料的金属粉末，并在预定温度下烧结压缩的金属粉末，从而制备烧结轴承; 通过去毛刺处理去除附着在烧结轴承上的异物，将烧结后的轴承压制成所希望的形状; 使用化学蚀刻形成在所述成形轴承的内表面上产生流体动力学压力的流体动力槽; 并对其上包括流体动力槽的轴承进行清洗，并干燥轴承。

4. 发明申请

US20120049676A1 Fluid dynamic bearing assembly and motor having the same 审中-公开
标题翻译：流体动力轴承组件和电机具有相同的功能
公开(公告)号：US20120049676A1
公开(公告)日：2012-03-01
申请号：US12929043
申请日：2010-12-23
申请人： Ta Kyoung Lee , Young Tae Kim , Seung Woo Ha
发明人： Ta Kyoung Lee , Young Tae Kim , Seung Woo Ha
IPC分类号： F16C32/06 , H02K7/08
CPC分类号： H02K7/08 , F16C17/107 , F16C32/0629 , F16C33/1085 , F16C33/745 , F16C2370/12 , H02K5/1675
摘要： There are provided a fluid dynamic bearing assembly and a motor having the same. The fluid dynamic bearing assembling according to the present invention may include: a sleeve formed to have a hollow into which a shaft is inserted; a sleeve housing formed to insert the sleeve therein; a bypass passage formed to axially communicate the upper portion and the lower portion of the sleeve between the sleeve and the sleeve housing dispersing pressure of a lubricating fluid in the hollow; and an oil sealing cap having an oil passage communicated with the bypass passage and taper-sealing the lubricating fluid within the oil passage.
摘要翻译：提供了一种流体动力轴承组件和具有该轴承组件的马达。根据本发明的流体动态轴承组装可以包括：形成为具有中空的套筒，轴被插入其中; 套筒壳体，其形成为将套筒插入其中; 旁通通道，其形成为在套筒和套筒壳体之间轴向连通套筒的上部和下部，以分散空心中的润滑流体的压力; 以及油封盖，其具有与所述旁通通路连通的油路，并对所述油路内的润滑流体进行锥形密封。

5. 发明申请

US20120014629A1 Porous hydrodynamic bearing 审中-公开
标题翻译：多孔流体动力轴承
公开(公告)号：US20120014629A1
公开(公告)日：2012-01-19
申请号：US13137026
申请日：2011-07-15
申请人： Young Tae Kim , Ta Kyoung Lee
发明人： Young Tae Kim , Ta Kyoung Lee
IPC分类号： F16C32/06 , B23H3/00
CPC分类号： F16C33/103
摘要： There is provided a porous hydrodynamic bearing including a sleeve supporting a shaft, wherein the sleeve is formed of a sintered body containing at least one metal powder selected from a group consisting of SUS 304, SUS 430, and iron (Fe). In the sleeve formed of the sintered body containing at least one metal powder selected from the group consisting of SUS 304, SUS 430, and iron (Fe), surface pores and inner pores are not in communication with each other, whereby a leakage phenomenon of dynamic pressure may be reduced, as compared to a sleeve made of an alloy of Cu and Fe in which opened pores are formed.
摘要翻译：提供了一种多孔流体动力轴承，其包括支撑轴的套筒，其中套筒由包含至少一种选自SUS 304，SUS 430和铁（Fe）的金属粉末的烧结体形成。在由含有选自SUS304，SUS330和铁（Fe）中的至少一种金属粉末的烧结体形成的套筒中，表面孔和内孔彼此不连通，由此产生泄漏现象与由形成开放孔的Cu和Fe的合金制成的套管相比，可以减小动态压力。

6. 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。

7. 发明申请

US20120187789A1 Hydrodynamic bearing assembly and motor including the same 有权
标题翻译：流体动力轴承组件和电动机包括相同
公开(公告)号：US20120187789A1
公开(公告)日：2012-07-26
申请号：US13067959
申请日：2011-07-11
申请人： Jee Ae Noh , Ta Kyoung Lee
发明人： Jee Ae Noh , Ta Kyoung Lee
IPC分类号： F16C32/06 , H02K7/08
CPC分类号： H02K7/085 , F16C17/107 , F16C2370/12
摘要： There is provided a hydrodynamic bearing assembly including: a sleeve having a shaft inserted thereinto and supported thereby; a thrust plate coupled to one end of the shaft; an extension part formed at the thrust plate to be extended in an axial direction so as to be coupled to the shaft; and a coupling part formed at the shaft to contact an inner surface of the extension part so as to be coupled to the extension part.
摘要翻译：提供了一种流体动力轴承组件，包括：套筒，其中插入有轴并由其支撑; 连接到所述轴的一端的推力板; 延伸部，形成在所述止推板上，以沿轴向方向延伸，以便联接到所述轴; 以及耦合部分，其形成在所述轴处，以与所述延伸部分的内表面接触，以便联接到所述延伸部分。

8. 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。

9. 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。

10. 发明申请

US20120153761A1 Base assembly for motor and motor including the same 失效
标题翻译：电动机和电动机的基座组件包括相同的
公开(公告)号：US20120153761A1
公开(公告)日：2012-06-21
申请号：US13064155
申请日：2011-03-08
申请人： Ta Kyoung Lee
发明人： Ta Kyoung Lee
IPC分类号： H02K21/12
CPC分类号： H02K5/1675 , H02K7/09
摘要： There is provided a base assembly for a motor, including: a base member having a shaft system of the motor mounted therein; a pulling plate bonded to the base member to prevent excessive floating of the motor; and at least one adhesive filling part formed in the pulling plate, and providing an adhesion space for an adhesive used for bonding the pulling plate to the base member to increase a contact area with the adhesive.
摘要翻译：提供了一种用于电动机的基座组件，包括：基座部件，其中安装有电动机的轴系统; 拉动板结合到基座构件以防止马达的过度浮动; 以及形成在拉板中的至少一个粘合剂填充部分，并且为用于将拉板接合到基底构件的粘合剂提供粘合空间，以增加与粘合剂的接触面积。

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