Piezoelectric ignition device

Details Piezoelectric ignition device Piezoelectric ignition device

1979-05-24

1981-06-16

Lowrance, George E.

Combustion

Electrical or mechanical igniter correlated with burner feed

Having electric current producer

361260, 431 47, F23Q 300

Patent

active

042735297

ABSTRACT:
A piezoelectric ignition device of the type having a base mount formed with a window in which a piezoelectric element is fixedly mounted and a cylindrical hammer is axially movable and urged by a coiled spring toward the piezoelectric element. The entire assembly is adapted to be readily mounted in an automatic ignition to gas range etc. of a type having axle fixed with knob for operating gas valve. The base mount has a hole for snugly receiving said axle. An arm member is mounted with a key on the axle in such a way that when the knob is manually actuated for opening the gas valve, the arm rotates to move the hammer to a retracted position against the force of the spring and then disengages it for a rapid return for ignition. When actuating the knob for closing valve, the arm slides around circumferential surface of a cylinder against another spring so as to clear the cylinder and to return to its initial position.

REFERENCES:
patent: 3428408 (1969-02-01), Amegama
patent: 3434790 (1969-03-01), Kanda
patent: 3676047 (1972-07-01), Soma
patent: 4110065 (1978-08-01), Fujiwara

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