Abstract: A traveling ultrasonic motor with large torque was developed with the rotor heing the motor vibrator which consists of a toothed metal ring with a bonded piezoelectric ceramic.

• 文章摘要: 研制了一种新结构、大力矩行波型的超声电机。该超声电机中，压电片被粘接到金属体上构成振动体，作为转子，并与外壳接触。