Space heater utilizing source of waste heat

Details Space heater utilizing source of waste heat Space heater utilizing source of waste heat

1977-08-15

1979-05-22

Staab, Lawrence J.

Heating systems

Automatic control

Heat source is a reverse cycle refrigerating system or heat...

165DIG2, 237 55, G05D 2300, F24B 700

Patent

active

041555058

ABSTRACT:
A space heater utilizes a source of waste heat such as hot gas passing through a metal conduit. A portion of the length of the metal conduit is surrounded by a sealed insulated enclosure. Within the enclosure, the metal tube is exposed and has heat exchange fins thereon. A circulating fan in the enclosure blows the air in the enclosure across the cold end of a closed circuit expansion-compression refrigeration system whose hot end is outside the enclosure. A fan blows air across the hot end of the refrigeration system to heat the ambient space.

REFERENCES:
patent: 2468909 (1949-05-01), Yeager et al.
patent: 2481480 (1949-09-01), Main
patent: 3916991 (1975-11-01), Trump
patent: 3952947 (1976-04-01), Saunders
Popular Mechanics, "How to Get More of the Heat You're Paying for", pp. 152-153, Oct. 1974.
Heating & Ventilating Review, "Making the Best Use of Our Fuel Resources", Feb. 1976.

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