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    • 11. 发明授权
    • Induction motor having reverse-rotation preventing function
    • 异步电动机具有防转动功能
    • US07459815B2
    • 2008-12-02
    • US11340627
    • 2006-01-27
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • H02K7/10H02K17/30H02K16/02H02K17/16
    • H02K7/125H02K7/1185H02K16/02H02K17/16H02K21/14
    • An induction motor having a reverse-rotation preventing function, comprises: a stator provided with a winding coil generating flux by a current; an induction rotor provided with a cage and rotatably inserted in the stator, wherein a rotary shaft is coupled to its inside; a synchronous rotor provided with a permanent magnet and rotatably coupled between the stator and the induction rotor; an induction-force generating unit generating a force for moving the synchronous rotor in an axial direction; and a rotation preventing unit preventing a reverse rotation by fixing the synchronous rotor moved by the induction-force generating unit at the time of reverse rotation of the synchronous rotor. When a reverse rotation of the induction motor occurs as a reverse-rotation force is applied to the induction rotor due to a phase of a voltage which is initially applied and an unparallel rotating magnetic field at the time of initial driving of the motor, the load inertia of the synchronous rotor is increased, and the reverse rotation of the synchronous rotor and the induction rotor is prevented. Also, the construction for preventing the reverse rotation of the motor is simplified, and a small number of components are required.
    • 一种具有反转防止功能的感应电动机,包括:定子,其设置有通过电流产生磁通的绕组线圈; 感应转子,其设置有保持架并且可旋转地插入定子中,其中旋转轴联接到其内部; 设置有永磁体并可旋转地联接在定子和感应转子之间的同步转子; 感应力产生单元,其产生用于沿轴向移动同步转子的力; 以及旋转防止单元,通过在同步转子的反转时固定由感应力产生单元移动的同步转子来防止反转。 当由于最初施加的电压的相位和在电动机的初始驱动时的不平行的旋转磁场而使感应电动机的反转力作用于感应转子时发生反转,所以负载 同步转子的惯性增加,并且防止同步转子和感应转子的反向旋转。 此外,用于防止马达反向旋转的结构简化,并且需要少量的部件。
    • 13. 发明申请
    • Induction motor having reverse-rotation preventing function
    • 异步电动机具有防转动功能
    • US20060175924A1
    • 2006-08-10
    • US11340627
    • 2006-01-27
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • H02K17/00
    • H02K7/125H02K7/1185H02K16/02H02K17/16H02K21/14
    • An induction motor having a reverse-rotation preventing function, comprises: a stator provided with a winding coil generating flux by a current; an induction rotor provided with a cage and rotatably inserted in the stator, wherein a rotary shaft is coupled to its inside; a synchronous rotor provided with a permanent magnet and rotatably coupled between the stator and the induction rotor; an induction-force generating unit generating a force for moving the synchronous rotor in an axial direction; and a rotation preventing unit preventing a reverse rotation by fixing the synchronous rotor moved by the induction-force generating unit at the time of reverse rotation of the synchronous rotor. When a reverse rotation of the induction motor occurs as a reverse-rotation force is applied to the induction rotor due to a phase of a voltage which is initially applied and an unparallel rotating magnetic field at the time of initial driving of the motor, the load inertia of the synchronous rotor is increased, and the reverse rotation of the synchronous rotor and the induction rotor is prevented. Also, the construction for preventing the reverse rotation of the motor is simplified, and a small number of components are required.
    • 一种具有反转防止功能的感应电动机,包括:定子,其设置有通过电流产生磁通的绕组线圈; 感应转子,其设置有保持架并且可旋转地插入定子中,其中旋转轴联接到其内部; 设置有永磁体并可旋转地联接在定子和感应转子之间的同步转子; 感应力产生单元,其产生用于沿轴向移动同步转子的力; 以及旋转防止单元,通过在同步转子的反转时固定由感应力产生单元移动的同步转子来防止反转。 当由于最初施加的电压的相位和在电动机的初始驱动时的不平行的旋转磁场而使感应电动机的反转力作用于感应转子时发生反转,所以负载 同步转子的惯性增加,并且防止同步转子和感应转子的反向旋转。 此外,用于防止马达反向旋转的结构简化,并且需要少量的部件。
    • 14. 发明授权
    • Motor having reverse rotation preventing unit
    • 电机具有反转防止单元
    • US07582993B2
    • 2009-09-01
    • 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
    • H02K7/10
    • 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.
    • 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。
    • 17. 发明授权
    • Outer rotor type fan-motor
    • 外转子式风扇电机
    • US08057195B2
    • 2011-11-15
    • US12439043
    • 2007-08-29
    • Dong-Il LeeHyoun-Jeong Shin
    • Dong-Il LeeHyoun-Jeong Shin
    • H02K9/06H02K9/00H02K7/00F04B17/00
    • H02K5/24F04D25/062F04D25/064F04D29/263F04D29/329F04D29/663F04D29/668H02K1/30H02K21/22H02K29/00
    • An outer rotor type fan-motor includes: a rotational shaft; a bearing assembly that rotatably supports the rotational shaft; a stator installed at an outer side of the bearing assembly; a permanent magnet assembly that covers an outer side of the stator at a certain distance and is installed at the rotational shaft; and a fan that includes a shaft fixing part for fixing the rotational shaft, a hub for covering an outer side of the permanent magnet assembly at a certain distance and blades formed around the hub. An insulation space is formed between the permanent magnet assembly and the fan to prevent transfer of vibration and noise of the permanent magnet assembly to the fan, and vibration or noise of high frequency can be reduced.
    • 外转子式风扇电动机包括:旋转轴; 可旋转地支撑旋转轴的轴承组件; 定子,其安装在所述轴承组件的外侧; 永磁体组件,其以一定距离覆盖所述定子的外侧并安装在所述旋转轴上; 以及风扇,其包括用于固定所述旋转轴的轴固定部,用于以一定距离覆盖所述永磁体组件的外侧的轮毂和围绕所述轮毂形成的叶片。 在永磁体组件和风扇之间形成绝缘空间,以防止永磁体组件对风扇的振动和噪声的传递,并且可以降低高频振动或噪声。