Heater using hot waste flue gases

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

1982-09-13

1985-06-25

Bennett, Henry

Heating systems

Processes

165DIG2, 237 55, F24B 700

Patent

active

045249105

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: 143739 (1873-10-01), White
patent: 2029450 (1936-02-01), Truelsen
patent: 4308990 (1982-01-01), Borovina et al.

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