| 摘要 |
PURPOSE: An output variable brushless DC motor is provided to have a switching unit for selectively connecting or disconnecting to or from a separate coil, thereby varying the torque of the motor. CONSTITUTION: A stator(100) arranges a plurality of teeth(110) on which coils are wound respectively. A rotor is attached to a circumference of a permanent magnet at a fixed interval. A switch(300) selectively connects or disconnects to or from a separate coil.
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