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    • 4. 发明授权
    • Outer rotor motor
    • 外转子电机
    • US5304879A
    • 1994-04-19
    • US986581
    • 1992-12-07
    • Yuzuru SuzukiSakae FujitaniMasaaki Inagaki
    • Yuzuru SuzukiSakae FujitaniMasaaki Inagaki
    • G11B17/028G11B19/20H02K7/14H02K11/00G11B23/00
    • G11B17/0282G11B17/028G11B19/2009H02K7/14
    • In an outer rotor motor (1): a hub base (3) is in a center of an upper side of the motor (1); a chucking magnet (16) for carrying a disk is near the hub base (3); a spindle (4) is fixed to a central hole of a rotor yoke which is provided with a permanent magnet (15) in its outer peripheral portion; the spindle (4) is supported by a bearing (5) fixed to a boss (7b) of a bearing housing (7) in which a ring-like rib (7c) is concentrically formed around the boss (7b) to form a circumferential groove (7d) therebetween and a hub of a stator (8) is mounted on the rib (7c); a leaf spring (12) is over the groove (7d) of the bearing housing placed under the base (3); and a drive pin (10) is fixed to a free end of the spring (12) to extend upward from the base (3) due to its resiliency through a hole of the hub base (3).
    • 在外转子电动机(1)中:轮毂座(3)位于电动机(1)的上侧的中心; 用于承载盘的夹持磁体(16)靠近轮毂基座(3); 主轴(4)固定在转子磁轭的中心孔上,该转子磁轭在其外周部分设置有永磁体(15); 主轴(4)由固定到轴承壳体(7)的凸台(7b)的轴承(5)支撑,其中环形肋(7c)围绕凸台(7b)同心地形成,以形成周向 其间的凹槽(7d)和定子(8)的轮毂安装在肋(7c)上; 板簧(12)位于放置在基座(3)下方的轴承箱的槽(7d)之上; 并且驱动销(10)固定到弹簧(12)的自由端,由于其弹性通过轮毂座(3)的孔而从基座(3)向上延伸。