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    ROLLING BEARING
    3.
    发明申请
    ROLLING BEARING 有权
    滚动轴承

    公开(公告)号：US20130156360A1

    公开(公告)日：2013-06-20

    申请号：US13818722

    申请日：2011-09-07

    Applicant: Tomohisa Uozumi

    Inventor： Tomohisa Uozumi

    IPC: F16C33/38

    CPC classification number: F16C33/3887 ,  F16C19/06 ,  F16C33/3875 ,  F16C33/6674 ,  F16C33/7893 ,  F16C33/80 ,  F16C2226/74 ,  F16C2240/30 ,  F16C2240/40 ,  F16C2240/60

    Abstract: Provided is a rolling bearing, comprising: an inner race (2) and an outer race (3), which rotate relative to each other; a plurality of balls (4), which are interposed between the inner race (2) and the outer race (3); a retainer (5), which is arranged between the inner race (2) and the outer race (3), for retaining the plurality of balls (4) equiangularly, the retainer (5) comprising two annular members (10) which face each other in an axial direction and have opposing surfaces each including hemispherical pockets (12) formed in a plurality of circumferential positions, for receiving the plurality of balls (4), the two annular members (10) being coupled together so that the opposing surfaces are brought into abutment on each other; a flange portion (18), which extends radially and is provided on a radially inner side or a radially outer side of an axial end portion of each of the two annular members (10); and a recessed groove (20, 21), which is formed in a region of the inner race (2) corresponding to the flange portion (18) or a region of the outer race (3) corresponding to the flange portion (18) so as to form a labyrinth (19) together with the flange portion (18).

    Abstract translation: 提供一种滚动轴承，包括：内圈（2）和外座圈（3），其相对于彼此旋转; 插入在所述内座圈（2）和所述外座圈（3）之间的多个滚珠（4）; 布置在所述内座圈（2）和所述外座圈（3）之间的保持器（5）用于等轴地保持所述多个滚珠（4），所述保持器（5）包括两个环形构件（10） 另一个在轴向方向上并且具有相对的表面，每个表面包括形成在多个圆周位置的半球形凹穴（12），用于容纳多个滚珠（4），两个环形构件（10）联接在一起，使得相对表面 相互抵靠; 凸缘部分（18），其径向延伸并且设置在所述两个环形构件（10）中的每一个的轴向端部的径向内侧或径向外侧上; 和形成在与所述凸缘部（18）对应的所述内座圈（2）的区域中的凹槽（20,21）或与所述凸缘部（18）对应的所述外座圈（3）的区域 与凸缘部分（18）一起形成迷宫（19）。

    Rolling bearing
    4.
    发明授权
    Rolling bearing 有权
    滚动轴承

    公开(公告)号：US08939649B2

    公开(公告)日：2015-01-27

    申请号：US13818722

    申请日：2011-09-07

    Applicant: Tomohisa Uozumi

    Inventor： Tomohisa Uozumi

    IPC: F16C19/00 ,  F16C33/38 ,  F16C33/80 ,  F16C33/78 ,  F16C33/66

    CPC classification number: F16C33/3887 ,  F16C19/06 ,  F16C33/3875 ,  F16C33/6674 ,  F16C33/7893 ,  F16C33/80 ,  F16C2226/74 ,  F16C2240/30 ,  F16C2240/40 ,  F16C2240/60

    Abstract: A rolling includes an inner race and an outer race, which rotate relative to each other, balls, which are interposed between the inner and outer races, and a retainer, which is arranged between the inner and outer races, for retaining the balls equiangularly. The retainer includes two annular members facing each other in an axial direction and having opposing surfaces each including hemispherical pockets formed in a plurality of circumferential positions, for receiving the balls, the two annular members being coupled together so that the opposing surfaces are brought into abutment on each other. A flange portion extends radially and is provided on a radially inner or outer side of an axial end portion of each of the two annular members.

    Abstract translation: 滚动体包括相对于彼此旋转的内圈和外圈，其设置在内圈和外圈之间的滚珠和设置在内圈和外圈之间的保持器，用于等距地保持球。 保持器包括在轴向方向上彼此面对的两个环形构件，并且具有相对的表面，每个表面均包括形成在多个周向位置的半球形凹穴，用于接收球，两个环形构件联接在一起，使得相对的表面被抵接 彼此之间 凸缘部分径向延伸并且设置在两个环形构件中的每一个的轴向端部的径向内侧或外侧。

    IN-WHEEL MOTOR DRIVE DEVICE
    5.
    发明申请
    IN-WHEEL MOTOR DRIVE DEVICE 审中-公开
    内轮电机驱动装置

    公开(公告)号：US20160167505A1

    公开(公告)日：2016-06-16

    申请号：US14904545

    申请日：2014-06-30

    Applicant: Minor SUZUKI ,  Tomohisa UOZUMI ,  NTN CORPORATION

    Inventor： Minoru SUZUKI ,  Tomohisa UOZUMI

    IPC: B60K7/00 ,  F16C33/62 ,  F16C33/32 ,  F16C19/06 ,  B60K17/04

    CPC classification number: B60K7/0007 ,  B60K17/046 ,  B60K2007/0038 ,  B60K2007/0092 ,  B60L2220/44 ,  B60L2220/46 ,  B60L2240/421 ,  B60Y2306/03 ,  F16C19/06 ,  F16C25/08 ,  F16C33/32 ,  F16C33/585 ,  F16C33/62 ,  F16C2204/66 ,  F16C2204/70 ,  F16C2361/61 ,  Y02T10/642

    Abstract: An in-wheel motor drive device includes a motor part, a speed reduction part, a wheel bearing part, and a casing configured to hold those parts. The motor part is configured to rotationally drive an input shaft of a speed reducer having eccentric portions. The speed reduction part is configured to reduce a speed of rotation of the input shaft of the speed reducer to transmit the rotation to an output shaft of the speed reducer. The wheel bearing part is connected to the output shaft of the speed reducer. The speed reduction part includes a lubrication mechanism for the speed reduction part, which is configured to supply lubricating oil to the speed reduction part. Rolling bearings configured to support the input shaft of the speed reducer are ball bearings each having an initial radial internal clearance of from 10 μm to 60 μm.

    Abstract translation: 轮驱动装置包括马达部件，减速部件，车轮轴承部件和构造成保持这些部件的壳体。 马达部构造为旋转地驱动具有偏心部的减速器的输入轴。 减速部被构造为降低减速器的输入轴的旋转速度，以将旋转传递到减速器的输出轴。 车轮轴承部分连接到减速机的输出轴。 减速部包括用于减速部的润滑机构，其构造为向减速部供给润滑油。 构造为支撑减速器的输入轴的滚动轴承是每个具有10μm至60μm的初始径向内部游隙的滚珠轴承。

    Rolling bearing
    6.
    发明授权
    Rolling bearing 有权
    滚动轴承

    公开(公告)号：US09353795B2

    公开(公告)日：2016-05-31

    申请号：US14389467

    申请日：2013-04-11

    Applicant: Tomohisa Uozumi ,  Tomoyoshi Izutsu

    Inventor： Tomohisa Uozumi ,  Tomoyoshi Izutsu

    IPC: F16C33/38 ,  F16C33/66 ,  F16C33/80 ,  F16C33/78 ,  F16C33/58 ,  F16C33/46 ,  F16C19/06

    CPC classification number: F16C33/6681 ,  F16C19/06 ,  F16C33/3875 ,  F16C33/4605 ,  F16C33/4652 ,  F16C33/583 ,  F16C33/7893 ,  F16C33/80 ,  F16C2208/36 ,  F16C2208/52 ,  F16C2208/60 ,  F16C2208/62 ,  F16C2208/90

    Abstract: A rolling bearing includes inner and outer races rotatable relative to each other, a plurality of rolling elements interposed between the inner and outer races, and a retainer arranged between the inner and outer races for retaining the plurality of rolling elements equiangularly. Flange portions are formed on a radially inner side and a radially outer side of an axial end portion of the retainer so as to extend radially. Recessed grooves are formed in a region of the inner race and a region of the outer race corresponding to the respective flange portions so as to form labyrinths together with the flange portions. Inner side surfaces of the flange portions and axial end surfaces of the recessed grooves, which are opposed to the inner side surfaces of the flange portions, are inclined radially so as to generate a flow of lubricant.

    Abstract translation: 滚动轴承包括可相对于彼此旋转的内座圈和外座圈，插入在内座圈和外座圈之间的多个滚动元件，以及设置在内座圈和外座圈之间的用于等轴地保持多个滚动元件的保持器。 凸缘部形成在保持器的轴向端部的径向内侧和径向外侧，以径向延伸。 在内座圈的区域和外圈的与相应的凸缘部分相对应的区域中形成凹槽，以便与凸缘部分一起形成迷宫。 与凸缘部的内侧面相对的凸缘部的内侧面和凹槽的轴向端面，径向地倾斜，产生润滑剂的流动。

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