Piezoelectric actuator

Details Piezoelectric actuator Piezoelectric actuator

1988-09-30

1990-05-22

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, H01L 4108

Patent

active

049280309

ABSTRACT:
A piezoelectric device or actuator (30) includes dimorph stack (32) attached to a support (34). Affixed to the apex of stack (32) is friction surface (36) which is held in contact with the external friction surface of a positionable object (38).

REFERENCES:
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patent: 3902084 (1975-08-01), May, Jr.
patent: 3902085 (1975-08-01), Bizzigotti
patent: 4087715 (1978-05-01), Myer
patent: 4219755 (1980-08-01), O'Neil et al.
patent: 4468583 (1984-08-01), Mori
patent: 4523120 (1985-06-01), Assard et al.
patent: 4622483 (1986-11-01), Staufenberg et al.
patent: 4727278 (1988-02-01), Staufenberg et al.
patent: 4736132 (1988-04-01), Culp
patent: 4775815 (1988-10-01), Heinz
patent: 4785177 (1988-11-01), Besocke
patent: 4798989 (1989-01-01), Miyazaki et al.

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