Automatic combustion control with improved electrical circuit

Details Automatic combustion control with improved electrical circuit Automatic combustion control with improved electrical circuit

1974-11-18

1976-08-10

Favors, Edward G.

Combustion

Timer, programmer, retarder or condition responsive control

By combustion or combustion zone sensor

236 15E, 431 12, 431 9U, F23N 508

Patent

active

039738981

ABSTRACT:
Combustion control is effected by the use of a smoke detector and by solid state devices for the detection and amplification of electrical signals produced by a photoelectric cell for the purpose of controlling a motor which in turn adjusts fuel and air supplies. The electrical circuits include triac switches effective for running a servo-mechanism or motor in one direction or the other according to the density of the smoke in a flue venting combustion products from a combustion chamber. Light emitting diodes may be connected to op-amps for purposes of indicating the type of control being effected. A smoke accumulating means is employed for amplifying the products of combustion to facilitate the detecting and measuring of the same.

REFERENCES:
patent: 3549089 (1970-12-01), Hamlett
patent: 3701622 (1972-10-01), DuCasse
patent: 3723047 (1973-03-01), DELivois
patent: 3814570 (1974-06-01), Guigues et al.
patent: 3829276 (1974-08-01), Lenski et al.
patent: 34482922 (1969-12-01), Blackett

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