Motor device utilizing ultrasonic oscillation

Details Motor device utilizing ultrasonic oscillation Motor device utilizing ultrasonic oscillation

H - Electricity

02

N

310/1, 349/65

H02N 2/00 (2006.01) H01L 41/09 (2006.01)

Patent

CA 1208269

ABSTRACT A motor device utilizing ultrasonic oscillation, which comprises an ultrasonic oscillator including an elastic body and one or more piezoelectric, electrostriction or magne- tostriction elements assembled in or on the elastic body, and a movable body movable in a fixed direction. A portion of the ultrasonic oscillator and a portion of the movable body are held pressed against each other. A progressive wave, which is generated on the surface of the elastic member and constituted by a longitudinal wave and a trans- verse wave, is converted to a uni-directional motion of the movable body.

421908

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