Vibration wave motor

Details Vibration wave motor Vibration wave motor

1987-08-21

1989-08-15

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

048577936

ABSTRACT:
In a vibration wave motor, piezo-electric elements are provided in two orthogonal planes in the lengthwise direction of a bar-like vibration member and when a predetermined electric field is applied to these piezo-electric elements, rotational movement is generated in the surface of the vibration member in a plane perpendicular to the lengthwise direction of the vibration member, whereby a rotational member bearing against the vibration member is rotated and mechanical energy corresponding to supplied electric energy is taken out of the rotational member.

REFERENCES:
patent: 4400641 (1983-08-01), Vishnevsky et al.
patent: 4453103 (1984-06-01), Vishnevsky et al.
patent: 4613782 (1986-09-01), Mori et al.
patent: 4622483 (1986-11-01), Staufenberg, Jr.
patent: 4678956 (1987-07-01), Izukawa

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