Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1997-09-30
2000-01-18
Price, Carl D.
Stoves and furnaces
Hot-air furnaces
Compressed air
126 99R, 237 55, 165102, 165156, 165901, F24B 704
Patent
active
060149663
ABSTRACT:
A heat exchange device for harnessing heat from an exhaust vent is provided including a furnace having a main inlet for receiving cooled air suctioned from a living area, a heating mechanism for heating the cooled air suctioned from the living area, a main outlet for delivering air to the living area which is heated by the heating mechanism, and an exhaust vent coupled to the furnace for expelling air associated with the generation of heat by the heat mechanism with such expelled air not being fit for channeling to the living air via the outlet. Next provided is a housing which divides the exhaust vent into a lower portion and an upper portion. The housing has an auxiliary inlet in communication with the living area for receiving the cooled air therefrom and an auxiliary outlet in communication with the living area for expelling air thereto. Lastly, a heat transfer mechanism includes a pipe formed in the shape of a helix. In use, the heat transfer mechanism is adapted to transfer heat from the air expelled through the exhaust vent to the air situated within the housing such that the heated air may be directed to the living area.
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