Heater using hot waste flue gases

Details Heater using hot waste flue gases Heater using hot waste flue gases

1980-10-22

1982-12-14

O'Connor, Daniel J.

Heating systems

Air

Flue heated

165DIG2, F24B 700

Patent

active

043634427

ABSTRACT:
A method and apparatus to heat a forced-air supply utilizing hot waste gases in a flue. A flue closure housing is supported by a frame that is arranged to surround an opening in the chimney. The housing supports a heat exchanger having side walls formed of plates with a space between the plates being sealed by end walls to form a flow space for a forced-air supply. The heat exchanger is sealed to a flue closure plate forming part of the flue closure housing. The heat exchanger receives a supply of cold air from a motor-driven blower coupled to a header. Heated air from the heat exchanger is directed by a hot-air discharge header through an opening in the flue closure housing.

REFERENCES:
patent: 3124197 (1964-03-01), Funk
patent: 4050627 (1977-09-01), Mayer
patent: 4050628 (1977-09-01), Konnerth
patent: 4079885 (1978-03-01), Decker
patent: 4194488 (1980-03-01), Bellaff
patent: 4206742 (1980-07-01), Johnson
patent: 4227647 (1980-10-01), Eriksson
patent: 4241874 (1980-12-01), Schossow
patent: 4243177 (1981-01-01), Powers
patent: 4276926 (1981-07-01), Evangelow
patent: 4276929 (1981-07-01), Howard

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