| 摘要 |
PCT/EP91/00133 FBP 89/5 January 18, 1990 ULTRASOUND MOTOR HAVING TWO ROTORS In an ultrasound motor composed of a stator made of an elastic material and equipped with one or a plurality of ultrasound oscillators for exciting traveling waves in a stator and a movable component which is in contact, under pressure, with a surface region of the stator, a second movable component is provided which is in contact, under pressure, with a second surface region of the stator in which traveling waves are excited.
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