Heat saver for household heaters

Details Heat saver for household heaters Heat saver for household heaters

1981-02-27

1983-04-12

O'Connor, Daniel J.

Stoves and furnaces

Hot-air furnaces

Preliminary air heater

165DIG2, 237 55, F24H 312, F24B 700

Patent

active

043794475

ABSTRACT:
A heat saving and recovery system which includes a rectangular housing insert for a furnace flue gas duct incorporating a coil carrying a heat transfer fluid such was water. The coil communicates with a cold return conduit or other heat transfer device in a forced flow system to transfer heat from the chimney conduit to the return fluid intended to be heated by the furnace.

REFERENCES:
patent: 3251406 (1966-05-01), Lauer
patent: 3934798 (1976-01-01), Goldsmith
patent: 4044820 (1977-08-01), Nobles
patent: 4122999 (1978-10-01), Belcastro
patent: 4138062 (1979-02-01), Graden
patent: 4194558 (1980-03-01), Goosman

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