Piezoelectric actuator

Details Piezoelectric actuator Piezoelectric actuator

1993-11-23

1995-04-25

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

054102073

ABSTRACT:
A piezoelectric actuator has a zigzag-shaped actuator body, and an expansible piezoelectric element attached to the actuator body. The actuator body has zigzag elements. The zigzag elements are shifted toward and away from each other by expansion/contraction of the expansible piezoelectric elements. The actuator body is expanded and contracted by positional shifting of the zigzag elements.

REFERENCES:
patent: 4446469 (1984-05-01), Perna
patent: 4510412 (1985-01-01), Suda et al.
patent: 4570095 (1986-02-01), Uchikawa
patent: 4976553 (1990-12-01), Yamaguchi et al.
patent: 5173605 (1992-12-01), Hayes et al.

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