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    • 4. 发明申请
    • Variable speed motor
    • 变速电机
    • US20050237022A1
    • 2005-10-27
    • US11113171
    • 2005-04-25
    • Dong KimByoung MinByung ChoiTae Lee
    • Dong KimByoung MinByung ChoiTae Lee
    • H02P25/04H02P27/06H02P5/06
    • H02P25/04
    • A variable speed motor includes first and second main windings wound on a stator, and a relay for performing a switching operation between serial/parallel connections of the first and second main windings to control motor speed. The variable speed motor further includes a tap winding connected in series to the main windings, or an additional capacitor, such that it can greatly extend the range of a variable speed without using a drive unit capable of changing the motor speed at an external location, resulting in reduced production costs of the motor, reduced electromagnetic vibration noise, and reduced power consumption.
    • 变速电动机包括缠绕在定子上的第一和第二主绕组以及用于在第一和第二主绕组的串联/并联连接之间执行开关操作以控制电动机速度的继电器。 变速电动机还包括与主绕组串联连接的抽头绕组或附加电容器,使得其可以在不使用能够改变外部位置处的电动机速度的驱动单元的情况下大大地扩展可变速度的范围, 导致电机的生产成本降低,电磁振动噪声降低,功耗降低。
    • 8. 发明申请
    • Variable speed motor
    • 变速电机
    • US20050269979A1
    • 2005-12-08
    • US11138465
    • 2005-05-27
    • Byoung MinByung ChoiTae Lee
    • Byoung MinByung ChoiTae Lee
    • H02K17/08H02P1/42H02P23/00H02P25/02H02P25/04H02P7/08
    • H02P25/18H02P25/04H02P25/188
    • An outer-rotor variable-speed motor, to which single-phase AC power is applied and on which a rotor is provided outside a stator, comprises first and second main windings provided on a stator of the motor to form a plurality of poles, a frequency detector for detecting the frequency of AC power applied to the motor, and a relay for connecting the first and second main windings in series if the detected frequency is 60 Hz and connecting the first and second main windings in parallel if the detected frequency is 50 Hz. The speed of the motor is kept constant even when power at different frequencies is applied, so that it is possible to reduce the manufacturing cost of the motor and reduce the power consumption, and also to reduce electromagnetic noise from the motor.
    • 一个外转子变速电动机,其上施加有单相交流电源并且在定子外部设置转子,包括设置在电动机的定子上以形成多个极的第一和第二主绕组, 频率检测器,用于检测施加到电动机的交流电力的频率;以及继电器,用于如果检测到的频率为60Hz,则将第一和第二主绕组串联连接,并且如果检测到的频率为50,则并联第一和第二主绕组 赫兹。 即使施加不同频率的电力,电动机的速度也保持恒定,从而可以降低电动机的制造成本并降低功率消耗,并且还可以降低电动机的电磁噪声。