Gas ignition circuits

Details Gas ignition circuits Gas ignition circuits

1983-10-17

1985-06-04

Griffin, Donald A.

Electricity: electrical systems and devices

Igniting systems

For electric spark ignition

431264, F23Q 300, F23Y 228

Patent

active

045218250

ABSTRACT:
Circuit arrangements for use in the generation of sparks for igniting gas at a gas burner assembly whereby the operation is controlled electrically by means of an electronic control circuit which reacts to the presence or absence of a gas flame. The circuit comprises a charging circuit for a charge storage capacitor, a spark output transformer, an SCR switching device for discharging the charge stored in the capacitor and a non-linear conductive element connected between the anode and the gate of the SCR. Therefore when the anode voltage reaches the required value a trigger signal is applied via said non-linear conductive element to the gate to trigger the discharge of the capacitor by the SCR.

REFERENCES:
patent: 3889160 (1975-06-01), Cobarg
patent: 4023922 (1977-05-01), Goto
patent: 4329628 (1982-05-01), Bohan
patent: 4404616 (1983-09-01), Miyanaka et al.

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