Piezoelectric actuator

Details Piezoelectric actuator Piezoelectric actuator

1996-11-07

1998-09-22

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310331, H01L 4108

Patent

active

058119116

ABSTRACT:
The piezoelectric actuator consists of at least two disk-shaped congruent bending elements which each have a carrier plate made of a hard-elastic material with a layer of a piezoelectric material applied to one or both sides. Two bending elements respectively are connected with one another by way of at least two bending joints arranged on the circumference of the carrier plates.

REFERENCES:
patent: 2714642 (1955-08-01), Kinsley
patent: 3360664 (1967-12-01), Straube
patent: 3631383 (1971-12-01), Zilinskas
patent: 3663933 (1972-05-01), Madison
patent: 4246447 (1981-01-01), Vorie
patent: 4536862 (1985-08-01), Sullivan et al.
patent: 4601539 (1986-07-01), Watanabe
patent: 4617707 (1986-10-01), Mohaupt et al.
patent: 4927084 (1990-05-01), Brardner et al.
patent: 5132582 (1992-07-01), Hayashi et al.
patent: 5255972 (1993-10-01), Shirasu
patent: 5589725 (1996-12-01), Haertling
Abstract of Japanese Patent JP 1-25583A, Jan. 27, 1989, K. Ayuzawa.
Abstract of Japanese Patent JP 63-318177A, Dec. 27, 1988, K. Ayuzawa.

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