Gas ignition apparatus

Details Gas ignition apparatus Gas ignition apparatus

1988-06-08

1989-09-05

Focarino, Margaret A.

Combustion

Timer, programmer, retarder or condition responsive control

Sensor of electrical condition or temperature of electrical...

431 73, F23N 500

Patent

active

048633720

ABSTRACT:
A spark ignition system for a heater-type ignitor is disclosed. Current through the ignitor is transformed into a voltage which is utilized to operate a timing circuit which, in turn, causes operation of a valve permitting the flow of fuel to a burner. Operation of the valve can occur only after the expiration of a predetermined period of time and the presence of a predetermined minimum voltage to the ignitor thus ensuring that the ignitor has reached the ignition temperature of the fuel before the valve is permitted to open.

REFERENCES:
patent: 3748083 (1973-07-01), Finger
patent: 3759654 (1973-09-01), Clifford
patent: 3829739 (1974-08-01), Andersen et al.
patent: 3871814 (1975-03-01), Das et al.
patent: 3975136 (1976-08-01), Baysinger et al.
patent: 4033711 (1977-07-01), Christian et al.
patent: 4402663 (1983-09-01), Romanelli et al.

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