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

Apparatus for recirculating heated air

Patent ·
OSTI ID:6408716
An apparatus for recirculating heated air within a building is disclosed. A forced air heater with a blower is positioned in the building. A collecting tank is located near the ceiling. The collecting duct has perforations for collecting heated air that has risen to the ceiling. A return duct is connected between the collecting duct and the heater intake. The heater blower draws the heated air through the collecting duct and return duct and discharges it into the room.
Assignee:
TIC; ERA-04-030597; EDB-79-049250
Patent Number(s):
US 4134545
OSTI ID:
6408716
Country of Publication:
United States
Language:
English

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