Gas burner control system

Details Gas burner control system Gas burner control system

1982-09-22

1984-03-06

Scott, Samuel

Combustion

Timer, programmer, retarder or condition responsive control

Sensor of first burner controls second burner, e.g., pilot...

431 42, 431 43, 431 60, 431 66, 431 75, F23Q 914

Patent

active

044351500

ABSTRACT:
Upon a call for heat, gas flows to a pilot burner, a spark generating circuit is energized to ignite the pilot burner, and an oscillator is energized. When flame appears, the output signal of the oscillator is effective, through flame responsive means including capacitor means and solid-state switch means, to enable energizing of the primary winding of a coupling transformer at the frequency of the oscillator signal. When so energized, sufficient power transfer occurs between the primary and secondary windings of the coupling transformer to enable energizing of a relay winding, which energizing terminates energizing of the spark generating circuit and allows gas to flow to the main burner.

REFERENCES:
patent: 3853455 (1974-12-01), Riordan et al.
patent: 4019854 (1977-04-01), Carlson et al.
patent: 4231732 (1980-11-01), Newport, Jr. et al.
patent: 4269589 (1981-05-01), Matthews
patent: 4298335 (1981-11-01), Riordan et al.

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