Heating systems – Air – Upper-room drum
Patent
1980-06-16
1982-06-22
Capossela, Ronald C.
Heating systems
Air
Upper-room drum
122 20B, 237 8R, 237 19, F24B 700
Patent
active
043358500
ABSTRACT:
A system for producing hot water for a residential dwelling by recovering heat from the hot combustion gases in the flue and chimney of the dwelling's heating system. The system uses the usual hot water tank and furnace of the dwelling without any substantial modifications thereto. The hot water tank is located in an upper floor of the dwelling and is connected to the furnace which is located on a lower level by a first section of pipe which extends from adjacent the water heater to the furnace flue within the chimney. A cold water supply is connected to the first section of pipe by a second section of pipe which also extends through a portion of the chimney and the furnace flue to recover heat from the hot combustion gases passing therethrough. The heated water in the sections of pipe flows into the hot water tank through the usual cold water inlet line for subsequent discharge from the tank throughout the house. The usual heating means of the hot water tank supplies any additional heat that may be required to heat the water in the tank to a preset temperature during the summer or during periods of lower furnace usage.
REFERENCES:
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patent: 4122801 (1978-10-01), Burns
patent: 4136731 (1979-01-01), De Boer
patent: 4143816 (1979-03-01), Shadeland
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