Control circuit for a solid fuel furnace

Details Control circuit for a solid fuel furnace Control circuit for a solid fuel furnace

1983-05-31

1985-05-21

Wayner, William E.

Furnaces

With control means responsive to a sensed condition

Feed control

236 11, 236 15BA, F23N 502

Patent

active

045179026

ABSTRACT:
A control circuit for a solid fuel furnace which includes a combustion chamber, means for delivering solid fuel to the combustion chamber, and means for delivering combustion air to the combustion chamber, wherein the control circuit includes thermo-sensitive means responsive to a demand temperature and to a temperature related to furnace performance to control the fuel delivery means and the combustion air delivery means for maximum furnace efficiency, minimum fuel consumption and minimum soot and smoke formation. In addition, the control circuit includes "hold fire" circuit which is operable in response to combustion-related temperatures and during periods when the demand temperature is met to control the fuel delivery means and the combustion air delivery means to maintain combustion in the combustion chamber.

REFERENCES:
patent: 2277621 (1942-03-01), Weber
patent: 2405982 (1946-08-01), Schweickart et al.
patent: 2533330 (1950-12-01), Schweickart et al.

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