Stoves and furnaces – Liquid heater
Patent
1980-05-02
1982-04-20
Yeung, James C.
Stoves and furnaces
Liquid heater
126131, 126307R, 98 46, 237 55, 237 51, F24B 700
Patent
active
043253539
ABSTRACT:
An apparatus for the heating of ambient air within enclosed chambers in the walls of a fireplace, providing a more efficient means of utilizing the heat radiation produced by a fireplace and also to provide fresh warm air for heating purposes throughout a home is disclosed.
Cold ambient temperature air is forced into the system by a two-speed fan through a cold air conduit into the outer chamber of the fireplace apparatus. The air is forced up the outer chamber to the top of the chimney where it crosses over to the inner heating chamber and the diagonal duct located within the flue space of the chimney. As the air progresses down the inner warm air passageway and the diagonal flue duct, it is heated by conduction through a metal wall in contact with the hot gases produced by the fire. The air then is forced down through these passageways into the rear and sides of the firebox. The air is fed thorugh a manifold grating under the fire, and then collected in the hot air plenum located at the base of the firebox. The thoroughly warm air is then forced out an exit conduit into an existing furnace heat plenum for distribution throughout the house.
REFERENCES:
patent: 3896785 (1975-07-01), Nelson
patent: 4064864 (1977-12-01), Husa
patent: 4160524 (1979-07-01), Stiber
West William D.
Yeung James C.
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