Piezoelectric ignition device

Details Piezoelectric ignition device Piezoelectric ignition device

1974-12-12

1976-10-12

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

310 85, 310 87, 310 91, H01L 4108

Patent

active

039860612

ABSTRACT:
A piezoelectric ignition device for spark-igniting a fuel of such burning instruments as cigaret lighters, gas ranges and the like, utilizing a high electric voltage obtained by giving a bending stress in lengthwise direction to an elongated rectangular plate-shaped porcelain piezoelectric element. A plurality of electrodes is formed at least on one of the surfaces of the plate-shaped element along the respective lines parallel to lengthwise both ends and dividing the element lengthwise into "n" divisions, and adjacent divisions are polarized reversely to each other also in the lengthwise direction. A force-to-electricity conversion is made with a piezoelectric constant g.sub.33.

REFERENCES:
patent: 2540412 (1951-02-01), Adler
patent: 2640889 (1953-06-01), Cherry, Jr.
patent: 2836737 (1958-05-01), Crownover
patent: 2864013 (1958-12-01), Wood
patent: 2875353 (1959-02-01), Cavalieri, Jr. et al.
patent: 2928052 (1960-03-01), Wood
patent: 3295024 (1966-12-01), Newman
patent: 3366808 (1968-01-01), Steward
patent: 3397328 (1968-08-01), Schafft
patent: 3464531 (1969-09-01), Herr et al.
patent: 3500451 (1970-03-01), Yando
patent: 3586888 (1971-06-01), Dorfman
patent: 3603709 (1971-09-01), Retzler

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