Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1979-04-10
1982-01-12
Scott, Samuel
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126421, 126422, 126435, 126437, 137 59, 237 66, F24J 302, E03B 710, F24D 310
Patent
active
043099823
ABSTRACT:
A process for preventing freezing of solar collectors by automatic drainage of the water or liquid working fluid contained within the collectors the working fluid is drained from the collector, but remains within the closed solar collector circuit. Apparatus responsive to the pressure exerted on the collector circuit fluid by an external source of pressurized fluid acts to drain and refill the collectors. The pressure is transmitted through a moving transmissio means, which may be a deformable or movable wall, and which prevents transfer of the collector circuit fluid into the external source of pressurized fluid. The apparatus provides two storage tanks, one of which is provided with an auxiliary heater, the thermal yield being substantially improved by arranging one of the two tanks inside the other.
REFERENCES:
patent: 4013221 (1977-03-01), Eder
patent: 4044949 (1977-08-01), Morawetz et al.
patent: 4108160 (1978-08-01), Harper
patent: 4116222 (1978-09-01), Seifried
patent: 4126122 (1978-11-01), Bross
patent: 4138996 (1979-02-01), Cartland
patent: 4191166 (1980-03-01), Saarem et al.
Green Randall L.
Pechiney Ugine Kuhlmann
Scott Samuel
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