Multi-burner gas control apparatus

Combustion – Timer – programmer – retarder or condition responsive control – Of sequential operation of plural burners – e.g. – pilot and...

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431 75, 431 78, F23N 500

Patent

active

055825168

ABSTRACT:
Gas control apparatus to regulate the flow of gas to a plurality of burners is disclosed. The apparatus permits a main gas solenoid valve to be actuated for a pre-determined period of time allowing the burners to be ignited. If the burners are not ignited within the pre-determined period of time, the main gas solenoid valve is deactuated. Even though a main gas solenoid valve is utilized, each burner can be separately ignited by means of a start signal applied thereto. After ignition, the main gas solenoid valve will remain actuated only if a flame is present at the ignited burner and a start signal is applied to the remaining burners.

REFERENCES:
patent: 3111161 (1963-11-01), Frege et al.
patent: 4652231 (1987-03-01), Berlincourt
"Automatic Flame Safeguards for Gas Firing"; Kovacs et al. pp. 1-11; Hungarian Heavy Ind., Hungary; vol. 21, No. 1 (1971).

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