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U.S. Department of Energy
Office of Scientific and Technical Information

Space heater utilizing source of waste heat

Patent ·
OSTI ID:5874295
The 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, 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.
Assignee:
TIC; EDB-80-005129
Patent Number(s):
US 4155505
OSTI ID:
5874295
Country of Publication:
United States
Language:
English

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