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

Heat exchange apparatus

Patent ·
OSTI ID:6520744
Heat exchange apparatus for improving the efficiency of a fireplace is disclosed in the form of a plurality of heat transfer conduits connected at one end to a manifold and containing a plurality of heat exchange elements. A fan directs air through the manifold and then through the conduits for contact with the heat exchange elements to thereby heat the air which is then discharged into a room.
Assignee:
TIC; EDB-79-037046; ERA-04-023632
Patent Number(s):
US 4129112
OSTI ID:
6520744
Country of Publication:
United States
Language:
English

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