Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1980-11-12
1983-05-24
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126437, 126419, F24J 302
Patent
active
043845681
ABSTRACT:
A solar heating system comprising a solar collector having its input connected to a pressurized fluid source and its output connected to an input of a fluid storage device, the fluid flow from the output being controlled by a thermally controlled valve, a pressure release valve having one input connected to an input/output near the bottom of the fluid storage device, a second input connected to the pressurized fluid source and an output for discharging the excess fluid, and a pressure reducing valve connected between the pressurized fluid source and another input to the fluid storage device. When the pressure in the storage device increases to a predetermined level the pressure release valve will open and allow the excess fluid to be discharged therefrom. The pressure reducing valve enables the fluid storage device to be replenished if the pressure therein decreases to a level below the pressure of the fluid source. Thus, as the heated fluid flows from the output of the collector to the fluid storage device, the increased pressure in the fluid storage device is relieved by releasing the cooler fluid near the lower portion of the storage device. By constant monitoring of the pressures differential by the valves the fluid is allowed to circulate through the system without the necessity of circulating pumps or the use of a thermosyphon, even when the collector is elevated gravitationally above the storage tank.
REFERENCES:
patent: 4209007 (1980-06-01), Collins
patent: 4210125 (1980-07-01), Fender
patent: 4228785 (1980-10-01), Wagenseller
patent: 4248294 (1981-02-01), Budzynski et al.
patent: 4314545 (1982-02-01), Bowman
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