Burner control apparatus

Details Burner control apparatus Burner control apparatus

1977-02-16

1979-01-30

Favors, Edward G.

Combustion

Timer, programmer, retarder or condition responsive control

By combustion or combustion zone sensor

431 29, 431 51, F23N 500

Patent

active

041370350

ABSTRACT:
Burner control apparatus includes control devices for actuating an ignition control means, and a timing circuit for providing an ignition timing sequence of four precise intervals. The timing circuit is actuated in response to a request for burner operation and the control devices are energized in sequence and combination in response to the actuated timing circuit. Time sequential pilot flame and main flame stabilization intervals are provided. If a signal from the flame sensor is received before the end of the overlapping flame stabilization timing intervals, the control device is energized and if flame detection signal is lost a lockout circuit is energized.

REFERENCES:
patent: 3343585 (1967-09-01), Eckelberry
patent: 3393037 (1968-07-01), Giuffrida et al.
patent: 3449055 (1969-06-01), Blackett
patent: 4035135 (1977-07-01), Jacobst

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