Ultrasonic motor

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

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H01L 4108

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active

054401925

ABSTRACT:
A thin, small-diameter, and efficient ultrasonic motor using a component of flexible travelling waves comprises a base, a stator and a rotor. The stator has an elastic vibrating body and a ceramic piezoelectric vibrator provided on one side of the elastic vibrating body. A central portion of the stator is secured and freely supported by a central support shaft.

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