Ignition system for fuel burning apparatus

Details Ignition system for fuel burning apparatus Ignition system for fuel burning apparatus

1977-11-29

1979-03-20

Dority, Jr., Carroll B.

Combustion

Timer, programmer, retarder or condition responsive control

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

431 71, 431 74, 431 78, F23Q 914

Patent

active

041451805

ABSTRACT:
An ignition system is disclosed which controls an electrically operated fuel valve and a spark generating apparatus to cause the fuel to be ignited at a fuel burning apparatus. The system also includes a flame sensing means which inhibits operation of an oscillator a predetermined time interval after operation is initiated in the event a flame at the fuel burning apparatus is not detected by the flame sensing means. The output of the oscillator is applied to a voltage converter which, in turn, controls valve actuation and spark generation. The invention can be used to light either a main burner directly, or indirectly through a pilot burner.

REFERENCES:
patent: 3514240 (1970-05-01), Potts
patent: 3853455 (1974-12-01), Riordan et al.
patent: 4019854 (1977-04-01), Carlson et al.

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