Heat exchange – Structural installation
Patent
1982-01-18
1984-05-29
Cline, William R.
Heat exchange
Structural installation
165122, 165DIG2, 122 20B, F24H 300
Patent
active
044509014
ABSTRACT:
Heat recovery attachment in combination with the combustion gas discharge duct of a gas-fired or oil-fired heating apparatus having a liquid or air circuit, substantially comprising a heat exchanger having a supply and a discharge connection for the combustion gases to be passed therethrough, and a fan which encourages combustion gases to flow through the heat exchanger. The heat exchanger extends at most partly into the combustion gas discharge duct, and means are present to direct the exit gases, after heat exchange, obliquely upwards into the combustion gas discharge duct in such a manner that they form a gas barrier extending substantially across the transverse section of the combustion gas discharge duct. Means are provided by which, if the fan is operating, substantially all combustion gases are forced to flow through the heat exchanger, and if the fan is not operating, or is inadequately operating, the combustion gases from the heating apparatus are directed at least in part through to the combustion gas discharge duct thereby totally bypassing the heat exchanger.
REFERENCES:
patent: 1500838 (1924-07-01), Miiller
patent: 2077599 (1937-04-01), Wales
patent: 2276400 (1942-03-01), Hubbard
patent: 3813039 (1974-05-01), Wells
patent: 4012191 (1977-03-01), Lisankie et al.
patent: 4117883 (1978-10-01), Feldmann
patent: 4185685 (1980-01-01), Giberson
patent: 4331199 (1982-05-01), Dehue
Cline William R.
Kramer John M.
Stamicarbon B.V.
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