Gas furnace with improved ignition

Details Gas furnace with improved ignition Gas furnace with improved ignition

1988-11-17

1989-12-19

Dority, Carroll B.

Combustion

Timer, programmer, retarder or condition responsive control

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

431 51, 431286, F23Q 908

Patent

active

048879592

ABSTRACT:
A furnace employing a plurality of spaced burners, a carryover tube passing adjacent the burners, a hot surface igniter at one end of the carryover tube, a flame sensor at the other end of the carryover tube and an ignition control for controlling actuation of the hot surface igniter and the flow of combustible gas to the carryover tube and main burners, the ignition control being responsive to the flame sensor.

REFERENCES:
patent: 2286610 (1942-06-01), Focke et al.
patent: 2761502 (1956-09-01), Hoff et al.
patent: 2870835 (1959-01-01), Lundgren
patent: 2983314 (1961-05-01), Geldhof et al.
patent: 3476491 (1969-11-01), Pipes et al.
patent: 3617159 (1971-11-01), Arndt
patent: 3622257 (1971-11-01), Hein et al.
patent: 3842319 (1974-10-01), Perl
patent: 4147496 (1979-04-01), Oikawa
patent: 4197082 (1980-04-01), Matthews
patent: 4475029 (1984-10-01), Yoshida et al.

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