Piezoelectric actuator

Details Piezoelectric actuator Piezoelectric actuator

1992-09-25

1993-11-30

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

052668630

ABSTRACT:
A piezo-electric actuator, comprising a flat spring having a plurality of arched side beams, the arched side beams having first and second ends, a central beam having first and second ends and top and bottom surfaces and disposed between the arched side beams, a fixed first end portion connecting the first end of the central beam with the first ends of the plurality of arched side beams, and a free second end portion connecting the second ends of the central beam with the second ends of the plurality of second arched side beams, wherein the arched side beams and the central beam are parallel to each other, and a piezo-electric element affixed to the bottom surface the central beam.

REFERENCES:
patent: 2836738 (1958-05-01), Crownover
patent: 2916578 (1959-12-01), Crownover
patent: 3940637 (1976-02-01), Ohigashi et al.
patent: 3976899 (1976-08-01), Fanshawe
patent: 4581506 (1986-04-01), Bai et al.

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