Combined heat-exchanger and supplemental air circulator for hot-

Heating systems – Air – Flue heated

Patent

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Details

126116A, 126110R, 165DIG2, 165 76, 165137, F24B 702

Patent

active

040449505

ABSTRACT:
A fuel-burning forced-air-circulating heating system having a thermostatically controlled heavy-duty blower, and a constantly operable 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 reverse air-flow through the furnace, resulting in a gentle temperature-equalizing circulation of air through the rooms being heated. Preferably, and very importantly, the supplemental attachment may include a heat-exchanger associated with the furnace flue to further improve the thermal efficiency of the system thus modified.

REFERENCES:
patent: 1487709 (1924-03-01), Besser
patent: 1558848 (1925-10-01), Doble, Jr.
patent: 1953302 (1934-04-01), Johnston
patent: 2272356 (1942-02-01), Sims
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: 3472496 (1969-10-01), Coleman et al.
patent: 3739767 (1973-06-01), Peters
patent: 3944136 (1976-03-01), Huie

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