Control system for gas fired heating apparatus using radiant hea

Details Control system for gas fired heating apparatus using radiant hea Control system for gas fired heating apparatus using radiant hea

1992-05-04

1992-12-08

Dority, Carroll B.

Combustion

Timer, programmer, retarder or condition responsive control

Of or by exhaust damper or exhaust pump

431 67, 126116A, F23N 300

Patent

active

051693011

ABSTRACT:
A control system for a gas fired, direct ignition, induced draft furnace includes a radiant heat sensing switch responsive to a hot surface igniter and burner flame, a single-pole, double-throw pressure switch responsive to fluid flow effected by the inducer, and a plurality of relays responsive to the radiant heat sensing switch, the pressure switch, and various other connected switching means.

REFERENCES:
patent: 3589846 (1971-06-01), Place et al.
patent: 4403942 (1983-09-01), Copenhaver
patent: 4421268 (1983-12-01), Bassett et al.
patent: 4898229 (1990-02-01), Brown et al.
patent: 4925386 (1990-05-01), Donnelly et al.
patent: 5020988 (1991-06-01), Peterson
patent: 5022460 (1991-06-01), Brown
patent: 5027789 (1991-07-01), Lynch

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