Oil burner primary control for interrupted ignition system

Details Oil burner primary control for interrupted ignition system Oil burner primary control for interrupted ignition system

1981-10-22

1983-09-27

Scott, Samuel

Combustion

Timer, programmer, retarder or condition responsive control

Shutdown by sensed absence of flame in proving period

431 69, 431 79, 307117, F23N 500, F23N 508

Patent

active

044066120

ABSTRACT:
An oil burner primary control in an interrupted ignition burner control system includes a regulating circuit for regulating the voltage across a flame-responsive photo-conductive cell. The regulating circuit ensures that, in the event the cell becomes defective so as to exhibit abnormal resistance characteristics, the system will not permit fuel to flow unless a burner flame exists or unless the igniter and a safety circuit are energized.

REFERENCES:
patent: 3380796 (1968-04-01), Kompelien
patent: 3393966 (1968-07-01), Clark
patent: 3713766 (1973-01-01), Donnelly et al.
patent: 4070144 (1978-01-01), Wyland et al.
patent: 4242081 (1980-12-01), Donnelly et al.
patent: 4321480 (1982-03-01), Miles
patent: 4370125 (1983-01-01), Donnelly et al.

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