Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1979-12-03
1981-04-14
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126422, 126448, 126449, 219305, 219279, F24J 302
Patent
active
042613337
ABSTRACT:
A solar heating panel apparatus has a supporting base with a plurality of elongated heat exchanger members mounted to the base. Each heat exchanger is operatively connected to one end of an adjacent heat exchanger to provide a continuous path through the heat exchangers from a fluid input to a fluid output. Each heat exchanger has a hollow center core having a passageway running spirally around the center core and uses the center core as one wall of the spiralling passageway. The fluid flows through the spiralling passageway, and may flow through the center core, although the center core may also be used to enclose heating elements so that the solar panel can be used without benefit of a conventional hot water heater.
REFERENCES:
patent: 1056861 (1913-03-01), Walker
patent: 1990738 (1935-02-01), La Porte
patent: 2023417 (1935-12-01), Guarnaschelli
patent: 2037378 (1936-04-01), Guarnaschelli
patent: 3831672 (1974-08-01), Battisti
patent: 3898428 (1975-08-01), Dye
patent: 3954097 (1976-05-01), Wilson, Jr.
patent: 3983861 (1976-10-01), Beauchaine
patent: 3999389 (1976-12-01), Bryce
patent: 4074706 (1978-02-01), Hajdu
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