Piezoelectric actuator

Details Piezoelectric actuator Piezoelectric actuator

1988-07-25

1989-08-08

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

048556335

ABSTRACT:
A piezo-electric actuator magnifies piezoelectric displacement through two-steps, provided by a first lever portion and a second lever portion which are connected by two plate springs. One of the plate springs transmits a tension force while the other plate spring located adjacent to the first plate spring works as a fulcrum. A higher magnifying power of displacement is obtained.

REFERENCES:
patent: 3649857 (1972-03-01), Knappe et al.
patent: 4435666 (1984-03-01), Fukui et al.
patent: 4518887 (1985-05-01), Yano et al.
patent: 4547086 (1985-10-01), Matsumoto et al.
patent: 4644213 (1987-02-01), Shibuya
patent: 4647808 (1987-03-01), Shibuya

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