Supplemental air circulator for hot-air furnaces

Details Supplemental air circulator for hot-air furnaces Supplemental air circulator for hot-air furnaces

1977-07-12

1979-11-27

Yuen, Henry C.

Heating systems

Air

Flue heated

126110R, 126116A, 165DIG2, F24B 702

Patent

active

041756991

ABSTRACT:
A fuel-burning forced-air-circulating heating system having a thermostatically controlled heavy-duty blower, and a constantly operating or thermostatically controlled relatively low-powered supplemental air-circulating attachment for forcing air from the cold-air-return plenum to the hot-air-feed plenum of a conventional hot-air furnace. The supplemental attachment bypasses the furnace so that the air-flow resistance of the air filter of the furnace minimizes reverses air-flow through the furnace, resulting in a gentle temperature-equalizing (anti-stratification) circulation of air through the rooms being heated. Preferably, a thermostatic switch located close to a floor energizes the supplemental blower when needed to reduce temperature stratification in the heated space. Alternatively, or in addition, an outdoor thermostat can energize the supplemental blower in colder weather (when its operation is most needed).

REFERENCES:
patent: 1558848 (1925-10-01), Doble, Jr.
patent: 1953302 (1934-04-01), Johnston
patent: 2289206 (1942-07-01), Nessell
patent: 2362940 (1944-11-01), Skerritt
patent: 2439109 (1948-04-01), Stout
patent: 2962218 (1960-11-01), Dibert
patent: 3009643 (1961-11-01), Dibert
patent: 3472496 (1969-10-01), Coleman et al.
patent: 3944136 (1976-03-01), Huie
patent: 4044950 (1977-08-01), Engeling et al.

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