Ultrasonic motor with a vibrating body and a moving body driven

Details Ultrasonic motor with a vibrating body and a moving body driven Ultrasonic motor with a vibrating body and a moving body driven

1992-04-02

1994-07-05

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

053270401

ABSTRACT:
An ultrasonic motor achieves uniform contact between a vibrating body and a moving body and features high output transfer efficiency and high reliability. The manufacturing process for the moving body can be simplified and the moving body made lighter by making the moving body of a carbon fiber reinforced resin composite material reinforced by at least carbon fiber, and constructing the moving body with a both-side supported or single-side supported beam construction. Elasticity according to the pressure of the ultrasonic motor can be imparted in the direction of pressure of the moving body. Thus, the undulations in the contact surface of the vibrating body and the moving body can be absorbed, stable, uniform contact can be assured, and long-term maintenance of a stable friction condition can be achieved.

REFERENCES:
patent: 4672256 (1987-06-01), Okuno et al.
patent: 4692650 (1987-09-01), Okomura et al.
patent: 4978882 (1990-12-01), Kitani
patent: 5028833 (1991-07-01), Kawai
patent: 5034646 (1991-07-01), Shinasaki
patent: 5087644 (1992-02-01), Tsutsumi et al.
patent: 5204577 (1993-04-01), Watanabe et al.

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