Vibration wave driven motor

Details Vibration wave driven motor Vibration wave driven motor

1991-12-12

1993-02-23

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

051893312

ABSTRACT:
The present invention provides a vibration wave driven motor or actuator in which a discontinuous coupling member is provided between a vibration member and a load to be driven by a movable element. The coupling member blocks undesirable travelling wave to decrease the noise and prevent the lowering of the output.

REFERENCES:
patent: 4495432 (1985-01-01), Katsuma et al.
patent: 4672256 (1987-06-01), Okuno et al.
patent: 4692651 (1987-09-01), Hiramatsu et al.
patent: 4743791 (1988-05-01), Kawai
patent: 4763148 (1988-08-01), Tsukimoto et al.
patent: 4771203 (1988-09-01), Mukohjima et al.
patent: 4793689 (1988-12-01), Aoyagi et al.
patent: 4893047 (1990-01-01), Honda

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