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    SPINDLE MOTOR AND DISK DRIVE APPARATUS
    2.
    发明申请
    SPINDLE MOTOR AND DISK DRIVE APPARATUS 有权

    公开(公告)号：US20170287520A1

    公开(公告)日：2017-10-05

    申请号：US15628886

    申请日：2017-06-21

    Applicant: Nidec Corporation

    Inventor： Katsuya TAKAHASHI ,  Masahiro SHIRAISHI

    IPC: G11B19/20

    CPC classification number: G11B19/2009 ,  F16C17/107 ,  F16C33/1005 ,  F16C33/723 ,  F16C33/74 ,  F16C2370/12 ,  H02K5/10 ,  H02K5/15 ,  H02K5/1677

    Abstract: A motor includes a rotating portion including a rotor magnet, and arranged to rotate about a central axis extending in a vertical direction; a bearing mechanism arranged to support the rotating portion such that the rotating portion is rotatable about the central axis; a stator portion arranged opposite to the rotor magnet; a housing arranged to accommodate the rotating portion, the bearing mechanism, and the stator portion therein; and a sealing member. The housing includes a base portion substantially in a shape of a plate and arranged to extend radially below the rotating portion. The base portion includes a first lower surface arranged to face downward, and a through hole arranged to pass through the base portion in the vertical direction and arranged to have a portion of the bearing mechanism arranged therein. The sealing member is arranged to cover a lower side of the through hole, and includes at least a metal layer.

    Spindle motor with sealing member including flange and disk drive apparatus including same
    4.
    发明授权
    Spindle motor with sealing member including flange and disk drive apparatus including same 有权
    具有密封构件的主轴电动机，包括法兰和包括其的盘驱动装置

    公开(公告)号：US09589589B2

    公开(公告)日：2017-03-07

    申请号：US15180249

    申请日：2016-06-13

    Applicant: Nidec Corporation

    Inventor： Masahiro Shiraishi

    IPC: G11B19/20 ,  H02K5/124 ,  H02K5/167 ,  H02K15/14

    CPC classification number: G11B19/2009 ,  F16C2370/12 ,  G11B19/2036 ,  H02K5/124 ,  H02K5/1677 ,  H02K15/14 ,  H02K21/22

    Abstract: A motor may include a bearing mechanism including a shaft arranged along a center axis, a sealing member has one-end closed cylindrical shape and a recess receiving a lower portion of the bearing mechanism, a stationary portion including a base defining a part of the housing, and a rotary portion rotating relative to the stationary portion about the center axis. The base has a through hole defined therein so as to have a center aligned with the center axis and pass through the base in an axial direction. The sealing member is fixed in a fixing region defined between an outer circumferential portion of the sealing member and an inner circumferential portion that defines the through hole in the base. The fixing region includes a sealing region where a clearance between the sealing member and the base is closed.

    Abstract translation: 马达可以包括：轴承机构，其包括沿着中心轴布置的轴，密封构件具有一端封闭的圆柱形形状，以及容纳轴承机构的下部的凹部;固定部分，包括限定壳体的一部分的基部 以及围绕中心轴线相对于静止部分旋转的旋转部分。 基部具有限定在其中的通孔，以使其具有与中心轴对准的中心并沿轴向穿过基部。 密封构件固定在限定在密封构件的外周部分和限定基部中的通孔的内周部分之间的固定区域中。 固定区域包括密封构件和基座之间的间隙关闭的密封区域。

    SPINDLE MOTOR AND DISK DRIVE APPARATUS
    5.
    发明申请
    SPINDLE MOTOR AND DISK DRIVE APPARATUS 有权
    主轴电机和磁盘驱动器

    公开(公告)号：US20160293204A1

    公开(公告)日：2016-10-06

    申请号：US14963297

    申请日：2015-12-09

    Applicant: Nidec Corporation

    Inventor： Seiji MARUOKA ,  Hironori ANDO ,  Yuki TAJIMA ,  Takahiro HISADA ,  Yoshitsugu SASAGURI

    IPC: G11B19/20 ,  H02K5/16

    CPC classification number: G11B19/2009 ,  F16C17/10 ,  F16C17/102 ,  F16C17/107 ,  F16C33/106 ,  F16C33/1065 ,  F16C33/107 ,  F16C35/10 ,  F16C35/12 ,  F16C2370/12 ,  H02K5/1677

    Abstract: {circle around (1)} A spindle motor includes a fixing portion defined by a bearing portion, a holder portion, a gap between the bearing portion and the holder portion, and an adhesive arranged in the gap. {circle around (2)} The fixing portion includes first and second protruding surfaces arranged to protrude radially from a first and a second one, respectively, of an outside surface of the bearing portion and an inside surface of the holder portion; and first and second boundary surfaces arranged to join the first and second surfaces, respectively, to the first and second protruding surfaces, respectively. {circle around (3)} At least a portion of the first boundary surface is arranged above the second boundary surface. {circle around (4)} The first and second protruding surfaces are arranged radially opposite to the second and first surfaces, respectively, with a first and a second gap, respectively, intervening therebetween. {circle around (5)} The first boundary surface is arranged opposite to the second boundary surface with a third gap intervening therebetween. {circle around (6)} The adhesive is arranged to extend from the third gap to at least a portion of each of the first and second gaps.

    Abstract translation: {圆周（1）}主轴电动机包括由轴承部分，保持器部分，轴承部分和保持器部分之间的间隙以及布置在间隙中的粘合剂限定的固定部分。 {圆周（2）}固定部分包括分别从轴承部分的外表面和保持器部分的内表面的第一和第二突出部径向突出的第一和第二突出表面; 以及分别将第一和第二表面分别连接到第一和第二突出表面的第一和第二边界面。 {圆周（3）}第一边界表面的至少一部分布置在第二边界表面上方。 {圆周（4）}第一和第二突出表面分别与第二和第一表面径向相对设置，分别具有介于其间的第一和第二间隙。 {圆周（5）}第一边界面与第二边界面相对布置，其间插入第三间隙。 {圆周围（6）}粘合剂布置成从第三间隙延伸到第一和第二间隙中的每一个的至少一部分。

    SPINDLE MOTOR AND DISK DRIVE APPARATUS
    6.
    发明申请
    SPINDLE MOTOR AND DISK DRIVE APPARATUS 有权
    主轴电机和磁盘驱动器

    公开(公告)号：US20160267937A1

    公开(公告)日：2016-09-15

    申请号：US15046760

    申请日：2016-02-18

    Applicant: Nidec Corporation

    Inventor： Katsuya TAKAHASHI ,  Masahiro SHIRAISHI

    IPC: G11B19/20 ,  H02K5/10 ,  H02K5/16

    CPC classification number: G11B19/2009 ,  F16C17/107 ,  F16C33/1005 ,  F16C33/723 ,  F16C33/74 ,  F16C2370/12 ,  H02K5/10 ,  H02K5/15 ,  H02K5/1677

    Abstract: A motor includes a rotating portion including a rotor magnet, and arranged to rotate about a central axis extending in a vertical direction; a bearing mechanism arranged to support the rotating portion such that the rotating portion is rotatable about the central axis; a stator portion arranged opposite to the rotor magnet; a housing arranged to accommodate the rotating portion, the bearing mechanism, and the stator portion therein; and a sealing member. The housing includes a base portion substantially in a shape of a plate and arranged to extend radially below the rotating portion. The base portion includes a first lower surface arranged to face downward, and a through hole arranged to pass through the base portion in the vertical direction and arranged to have a portion of the bearing mechanism arranged therein. The sealing member is arranged to cover a lower side of the through hole, and includes at least a metal layer.

    Abstract translation: 马达包括：旋转部分，其包括转子磁体，并且布置成绕垂直方向延伸的中心轴旋转; 轴承机构，其布置成支撑所述旋转部分，使得所述旋转部分可围绕所述中心轴线旋转; 与转子磁体相对配置的定子部; 壳体，其布置成容纳旋转部分，轴承机构和定子部分; 和密封构件。 壳体包括基本上为板状的基部，并且设置成径向地在旋转部分下方延伸。 基部包括面向下的第一下表面和布置成在垂直方向上穿过基部的通孔，并且布置成具有布置在其中的轴承机构的一部分。 密封构件被布置成覆盖通孔的下侧，并且至少包括金属层。

    SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
    7.
    发明申请
    SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME 审中-公开
    主轴电机和硬盘驱动器，包括它们

    公开(公告)号：US20150256044A1

    公开(公告)日：2015-09-10

    申请号：US14632372

    申请日：2015-02-26

    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

    Inventor： Ho Kyung JANG

    IPC: H02K5/167 ,  H02K1/27 ,  G11B19/20

    CPC classification number: H02K5/1677 ,  G11B19/2009 ,  H02K1/2786

    Abstract: There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a lower thrust member fixed to a base member; a shaft fixed to the base member; a sleeve rotatably installed on the shaft; a rotor hub coupled to the sleeve; and an upper thrust member fixed to an upper end portion of the shaft, wherein the sleeve includes a circulation hole formed therein, an upper auxiliary pressure bearing is formed between the upper thrust member and the rotor hub facing each other in a radial direction, a lower auxiliary pressure bearing is formed between the lower thrust member and the sleeve facing each other in the axial direction, and pressure formed in the lubricating fluid by the upper auxiliary pressure bearing is higher than pressure formed in the lubricating fluid by the lower auxiliary pressure bearing.

    Abstract translation: 提供了主轴电动机和包括该主轴电动机的硬盘驱动器。 主轴电动机包括：固定到基座构件的下推力构件; 固定在基座上的轴; 可旋转地安装在轴上的套筒; 联接到所述套筒的转子毂; 以及固定到所述轴的上端部的上推力构件，其中所述套筒包括形成在其中的循环孔，在所述上推力构件和所述转子毂之间形成有在径向上彼此面对的上辅助压力轴承， 在下推力构件和套筒之间沿轴向彼此面对形成较低的辅助压力轴承，并且上辅助压力轴承在润滑流体中形成的压力高于下辅助压力轴承在润滑流体中形成的压力 。

    SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME
    8.
    发明申请
    SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME 审中-公开
    主轴电机和硬盘驱动器，包括它们

    公开(公告)号：US20150213830A1

    公开(公告)日：2015-07-30

    申请号：US14582184

    申请日：2014-12-24

    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

    Inventor： Hoon Hee HAN

    IPC: G11B19/20 ,  H02K5/10

    CPC classification number: G11B19/2009 ,  H02K5/10 ,  H02K5/1677

    Abstract: There is provided a spindle motor including: a shaft having a lower end portion fixed to a lower thrust member and having a flange part disposed at an upper end portion thereof; a rotating member rotating around the shaft and including a sleeve part disposed between the lower thrust member and the flange part; a sealing member fixed to an outer peripheral surface of the flange part of the shaft; a cap member fixed to the rotating member to be disposed to face the sealing member; and a cover member having a region surrounding amounting hole seated on an upper surface of the flange part of the shaft and forming a labyrinth seal together with the cap member.

    Abstract translation: 提供了一种主轴电动机，其包括：轴，其具有固定到下推力构件的下端部并且具有设置在其上端部的凸缘部; 旋转构件，其围绕所述轴旋转并且包括设置在所述下推力构件和所述凸缘部之间的套筒部; 固定在所述轴的凸缘部的外周面的密封构件; 固定在所述旋转部件上以与所述密封部件相对配置的盖部件; 以及覆盖构件，其具有围绕所述轴的凸缘部的上表面的定量孔的区域，并与所述盖构件一起形成迷宫式密封。

    ROTATING DEVICE
    10.
    发明申请
    ROTATING DEVICE 审中-公开
    旋转装置

    公开(公告)号：US20150152916A1

    公开(公告)日：2015-06-04

    申请号：US14548407

    申请日：2014-11-20

    Applicant: Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd.

    Inventor： Ryusuke SUGIKI

    IPC: F16C33/10 ,  F16C17/04

    CPC classification number: F16C33/107 ,  F16C17/105 ,  F16C17/107 ,  F16C2240/40 ,  F16C2370/12 ,  G11B19/2036 ,  H02K5/1677 ,  H02K2213/03

    Abstract: A rotating device includes a beam unit and a beam receiving unit. The beam unit includes a shaft part, a first flange part projecting in a ring shape from one end of the shaft part in a radial direction, and a second flange part projecting in a ring shape in the radial direction from another end of the shaft part. The beam receiving unit includes a sleeve part surrounding the shaft part in a state in which the sleeve part is rotatable, wherein a lubricant is provided in a region including a gap between the beam unit and the beam receiving unit. A radial dynamic pressure generating groove is provided between the beam unit and the sleeve part, and first and second thrust dynamic pressure generating grooves are provided between the first flange part and the sleeve part, and between the second flange part and the sleeve part, respectively.

    Abstract translation: 旋转装置包括束单元和束接收单元。 梁单元包括轴部，从径向方向从轴部的一端突出成环状的第一凸缘部和从轴部的另一端沿径向突出成环状的第二凸缘部 。 梁容纳单元包括在套筒部分可旋转的状态下围绕轴部的套筒部分，其中在包括梁单元和梁接收单元之间的间隙的区域中设置有润滑剂。 在梁单元和套筒部之间设置有径向动压产生槽，第一和第二推力动压产生槽分别设置在第一凸缘部和套筒部之间，第二凸缘部与套筒部之间 。

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