Furnace fan control

Automatic temperature and humidity regulation – Hot-air furnace – Air and fire control

Patent

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Details

62231, F23N 520

Patent

active

046840605

ABSTRACT:
A furnace fan control for providing operation of the fan after the termination of the furnace burner in an adaptive manner to provide for longer fan operations after the burner turns OFF, as the burner ON time increases.

REFERENCES:
patent: 3726473 (1973-04-01), Sapir
patent: 4136730 (1979-01-01), Kinsey
patent: 4292813 (1981-10-01), Paddock
patent: 4356962 (1982-11-01), Levine
patent: 4449375 (1984-05-01), Briccetti
patent: 4460123 (1984-07-01), Beverly
patent: 4467617 (1984-08-01), Morgan et al.
Honeywell Inc. Brochure No. 68-0024-1, "Fan and Limit Controllers", Rev. 1-85.

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