Heat recapture device

Details Heat recapture device Heat recapture device

1980-11-17

1982-04-20

O'Connor, Daniel J.

Heat exchange

With thermal or acoustical blocker

126110AA, 126121, 165155, 165164, 165DIG2, 237 55, F28D 702, F28F 1300, F24B 700

Patent

active

043254306

ABSTRACT:
A heat recapture device for attachment to a furnace or fireplace exhaust flue is disclosed. Duct work in the device allows ambient air to be warmed by combustion exhaust gases. Air thus heated may be used to heat the surrounding living space. Additional duct work causes circulation of fresh air into the room and serves as a heat insulating shield around the periphery of the device.

REFERENCES:
patent: 1953302 (1934-04-01), Johnston
patent: 2064928 (1936-12-01), Lewis
patent: 2274341 (1942-02-01), Mueller
patent: 2730337 (1956-01-01), Roswell
patent: 2882023 (1959-04-01), Rizzo
patent: 2902265 (1959-09-01), Dubovick
patent: 3188785 (1965-06-01), Butler
patent: 3913663 (1975-10-01), Gates
patent: 4085725 (1978-04-01), Mesenbrink
patent: 4138062 (1979-02-01), Graden
patent: 4276926 (1981-07-01), Evangelow

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