Recycling pilot ignition system

Details Recycling pilot ignition system Recycling pilot ignition system

1984-01-30

1986-01-21

Scott, Samuel

Combustion

Timer, programmer, retarder or condition responsive control

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

431 69, F23Q 908

Patent

active

045655200

ABSTRACT:
An improved system including a circuit for igniting a pilot burner each time heat is called for by a thermostat. The main burner is ignited by the standing pilot upon detection of pilot ignition. Trial ignition over a limited period of time is provided. Main and pilot oscillators each having only two transistors are employed to actuate respective main and pilot valves. Each oscillator is of a new type requiring few electronic components.

REFERENCES:
patent: 3872320 (1975-03-01), Juskewicz, Jr.
patent: 4019854 (1977-04-01), Carlson et al.
patent: 4124354 (1978-11-01), Gann
patent: 4128387 (1978-12-01), Rayburn et al.
patent: 4137035 (1979-01-01), Cade
patent: 4145180 (1979-03-01), Bendorf
patent: 4231732 (1980-11-01), Newport, Jr. et al.

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