发明公开
EP0209865A3 Ultrasonic motor 失效
超声波马达

Ultrasonic motor
摘要:
Contact member (3) of composite material made of organic fiber and resin is provided on an inner surface of a rotor (4) or a stator (2) of an ultrasonic motor. Noise is suppressed. starting torque is better and wear is fairly decreased.
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