Piezoelectrostatic generator

Details Piezoelectrostatic generator Piezoelectrostatic generator

1989-04-27

1990-08-28

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310330, 310331, 310340, H01L 4108

Patent

active

049528360

ABSTRACT:
A piezoelectrostatic generator includes a plurality of elongated piezoelectrostatic elements having first and second ends, with the first ends fixedly mounted in a cylindrical housing and the second extending radially inwardly toward an axis. A shaft movable along the axis is connected to the inner ends of the elements to produce bending forces in piezoelectric strips within the elements. Each element includes a pair of strips mounted in surface contact and in electrical series to produce a potential upon bending, Electrodes spaced from the strips by a solid dielectric material act as capacitor plates to collect the potential charges.

REFERENCES:
patent: 2558563 (1951-06-01), Janssen
patent: 3113223 (1963-12-01), Smith et al.
patent: 3350583 (1967-10-01), Schiavone
patent: 3363139 (1968-01-01), Schiavone
patent: 3457463 (1969-07-01), Balamuth
patent: 3539841 (1970-11-01), Riff
patent: 3912830 (1975-10-01), Murayama et al.
patent: 4499394 (1985-02-01), Koal
patent: 4786837 (1988-11-01), Kalnin et al.

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