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    • 2. 发明申请
    • MOTOR HAVING REVERSE ROTATION PREVENTING UNIT
    • 具有反转旋转防护单元的电机
    • US20060284500A1
    • 2006-12-21
    • US11423724
    • 2006-06-13
    • Seung-Do HANSeung-Suk OHJae-Hong AHNHyoun-Jeong SHINDong-Il LEE
    • Seung-Do HANSeung-Suk OHJae-Hong AHNHyoun-Jeong SHINDong-Il LEE
    • H02K7/06H02K37/14H02K11/00
    • H02K17/32H02K16/02
    • A motor having a reverse-rotation preventing unit, comprises: a casing; a stator fixedly-coupled to an inside of the casing; a primary rotor rotatably inserted into the stator; a motor shaft coupled to the primary rotor; a secondary rotor having a permanent magnet and rotatably inserted into an air gap between the stator and the primary rotor; a locking unit installed at an inner wall of the casing; a ratchet unit rotatably coupled to the secondary rotor, and locked or unlocked to/from the locking unit when the secondary rotor is forward-rotated or reverse-rotated, for rotating the secondary rotor in a forward direction; and a position setting unit for moving the ratchet unit to a locking position or a unlocking position by a difference between a centrifugal force generated when the secondary rotor is rotated and its restoration force. In the present invention, the motor is only forward-rotated without being reverse-rotated and thus a reliability thereof is enhanced. Furthermore, the number of the components is less and an entire structure is simplified.
    • 具有反转防止单元的电动机包括:壳体; 固定地联接到所述壳体的内部的定子; 可转动地插入定子中的主转子; 联接到主转子的电动机轴; 具有永磁体并可旋转地插入定子和主转子之间的气隙中的次级转子; 安装在所述壳体的内壁上的锁定单元; 棘轮单元,其可旋转地联接到所述次级转子,并且当所述次级转子被向前旋转或反向旋转时被锁定或从所述锁定单元解锁,用于沿着向前方向旋转所述次级转子; 以及位置设定单元,用于通过在二次转子旋转时产生的离心力与其恢复力之间的差异将棘轮单元移动到锁定位置或解锁位置。 在本发明中,电动机只是向前旋转而不反向旋转,因此其可靠性提高。 此外,部件的数量较少,整体结构简化。