Heat exchanger for a freestanding heating unit

Details Heat exchanger for a freestanding heating unit Heat exchanger for a freestanding heating unit

1977-04-04

1978-08-01

Camby, John J.

Heating systems

Air

Flue heated

165DIG2, 237 50, 24273, 24 19, F24B 704

Patent

active

041038266

ABSTRACT:
A heat exchanger with a tubular body having helical ribs about its periphery constituting expanded interior and exterior conductive heating surfaces. A clamp is captively held to the tubular body for mounting the heat exchanger to the exhaust duct of a freestanding heating unit. Hot gases passing through the exhaust duct conductively heat is the expanded surface of the tubular body and air therein. A thermostatically controlled blower directs the heated air within the tubular body towards a heated surface of the freestanding heating unit for convectively heating the area about the unit.

REFERENCES:
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patent: 1226710 (1917-05-01), Shakespeare et al.
patent: 1795734 (1931-03-01), Otwell
patent: 1968214 (1934-07-01), Lonskey
patent: 2452170 (1948-10-01), Wenger
patent: 2468909 (1949-05-01), Yeager et al.
patent: 2529915 (1950-11-01), Chausson
patent: 3261062 (1966-07-01), Scarborough, Jr.
patent: 3748697 (1973-07-01), Marchese et al.
patent: 3911894 (1975-10-01), Richard, Jr. et al.
patent: 4018208 (1977-04-01), Hamilton
Popular Mechanics, Oct. 1974, p. 153.

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