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    • 9. 发明申请
    • MOTOR FOR ELECTRIC POWER STEERING DEVICE
    • 电动转向装置用电动机
    • US20130140964A1
    • 2013-06-06
    • US13814602
    • 2011-02-09
    • Toshihiro MatsunagaYoshihito AsaoSatoru AkutsuKazuhisa Takashima
    • Toshihiro MatsunagaYoshihito AsaoSatoru AkutsuKazuhisa Takashima
    • H02K5/16H02K11/00
    • H02K5/161B62D5/0403B62D5/0406F16C25/083F16C27/066F16C33/586F16C2326/24F16C2380/26H02K5/1732H02K5/24H02K29/12
    • A motor for an electric power steering device, includes: a housing side bearing which is placed on the output side of a shaft of a rotor placed in a frame, and is supported by a housing connected to the frame; and a frame side bearing which is placed on the opposite output side of the shaft of the rotor, and is composed of an outer ring and an inner ring supported by the frame. The motor is controlled by an electronic control unit which is coaxially placed with the rotor, the motor including: a bearing box which supports the frame side bearing, and is formed with a closed end section between the closed end section and the side of the frame side bearing; an axial elastic body which is placed on the closed end section of the bearing box, and applies a preload in an axial direction to the outer ring of the frame side bearing; and a radial elastic body which is placed on the outer circumferential side of the outer ring of the frame side bearing, and applies a preload in a direction perpendicular to the axial direction.
    • 一种用于电动助力转向装置的电动机,包括:壳体侧轴承,其被布置在放置在框架中的转子的轴的输出侧,并且由连接到所述框架的壳体支撑; 以及框架侧轴承,其设置在转子的轴的相对的输出侧,并且由外圈和由框架支撑的内圈构成。 电动机由与转子同轴放置的电子控制单元控制,电动机包括:支撑框架侧轴承的轴承箱,并且在封闭端部与框架侧面之间形成封闭端部 侧轴承 轴向弹性体,其被放置在所述轴承箱的封闭端部,并且沿轴向施加预压力到所述框架侧轴承的外圈; 以及径向弹性体,其设置在框架侧轴承的外圈的外周侧,并且沿与轴向垂直的方向施加预载荷。