Flue heat reclaimer

Details Flue heat reclaimer Flue heat reclaimer

1981-05-21

1983-05-03

Richter, Sheldon J.

Heat exchange

Non-communicating coaxial enclosures

Helical conduit means

165 47, 165122, 165DIG2, 237 55, F24B 700, F28D 710, F28F 1306

Patent

active

043818196

ABSTRACT:
A flue heat reclaimer is constructed to be mounted on the exterior of a flue duct of a heater and provide a spiral-shaped heat transfer passage extending around the flue duct. A fan causes air to flow through the heat transfer passage so that the temperature of this air is elevated by reason at its extended heat transfer relationship with the flue duct.

REFERENCES:
patent: 2468909 (1949-05-01), Yeager et al.
patent: 2503595 (1950-04-01), Preston
patent: 2619022 (1952-11-01), Hergenrother
patent: 2756032 (1956-07-01), Dowell
patent: 2879976 (1959-03-01), Rose, Sr.
patent: 3362058 (1968-01-01), Morris et al.
patent: 4171773 (1979-10-01), Preston
patent: 4258782 (1981-03-01), Kao
patent: 4278126 (1981-07-01), Skrzypek

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