Stoves and furnaces – Tool having fluid fuel burner – Soldering iron
Patent
1977-08-11
1979-12-11
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Soldering iron
136 89PC, F24J 302
Patent
active
041777956
ABSTRACT:
A device, and controlled solar heating system incorporating the device, for providing an electrical control signal responsive to the rate of flow of species of radiant energy through an area. The device includes means for providing an electrical input signal responsive to the rate of flow of the species of radiant energy, such as solar energy, and an electrical circuit for receiving the input signal and for providing a control signal in response to the input signal. Solar cells may provide the input signal to a Schmidt Trigger Circuit set to provide two control signals at predetermined rates of solar energy flow through an area. The device, incorporated into a solar heating system, may be used to control the circulation of fluid through solar heating panels.
REFERENCES:
patent: 3436564 (1969-04-01), Enders
patent: 3583224 (1971-06-01), Futaki
patent: 3986489 (1976-10-01), Schlesinger
patent: 4019495 (1977-04-01), Frazier
J. T. Czarnecki et al., "Advances in Solar Water Heating for Domestic Use in Australia," Solar Energy, vol. 20, pp. 75-80 (1978).
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