Vibration wave motor

Details Vibration wave motor Vibration wave motor

1986-10-21

1988-10-18

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

047790180

ABSTRACT:
A vibration wave motor including a vibration member having electro-mechanico-converting elements and generating a vibration wave in response to an electric field being applied to the electro-mechanico-converting elements. Also provided is a moving member contacting the vibration member and frictionally driven by the vibration wave generated in the vibratory member. The materials of the portions of the vibratory member and the moving member that contact each other are selected from combinations of hard alumite material and super-hard material.

REFERENCES:
patent: 4019073 (1977-04-01), Vishnevsky et al.
patent: 4495432 (1985-01-01), Katsuma et al.
patent: 4513219 (1985-04-01), Katsuma et al.
patent: 4562373 (1985-12-01), Tokusima et al.
patent: 4613782 (1986-09-01), Mori et al.

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