Heat recovery system for forced air furnaces

Details Heat recovery system for forced air furnaces Heat recovery system for forced air furnaces

1977-02-22

1978-03-21

Wayner, William E.

Heating systems

Air

Flue heated

165164, 165DIG2, F24B 702

Patent

active

040798887

ABSTRACT:
A heat recovery system is disclosed for a forced air furnace having a flue through which combusted gases may be exhausted, a series of air ducts connected with the furnace, and a blower for forcing air through the series of air ducts and furnace. The heat recovery system comprises a heat exchanger having one passageway coupled with the flue and another passageway coupled with the series of air ducts across the blower in heat transfer relation with the one passageway.

REFERENCES:
patent: 2084408 (1937-06-01), Mueller
patent: 2102581 (1937-12-01), McNeish
patent: 2768814 (1956-10-01), Frey et al.
patent: 3209744 (1965-10-01), Ayres et al.
patent: 3944136 (1976-03-01), Huie

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