Closed fluid loop solar thermodynamic system

Details Closed fluid loop solar thermodynamic system Closed fluid loop solar thermodynamic system

1980-09-15

1982-10-12

Truhe, J. V.

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

Fluid motor means is expansible chamber type with movable...

606412, 606418, 606441, 60531, 290 1R, 290 2, F03G 702, F03G 706

Patent

active

043532128

ABSTRACT:
Thermodynamic unit comprised of a pair of vessels which alternately raise and lower pressure in thermodynamic fluid is connected in a closed system to an engine, which utilizes the fluid in its gas phase, with the vessel raising pressure having a gas outlet connected to the engine and with exhaust therefrom being connected to the vessel lowering the fluid pressure. The vessels are alternately heated and cooled so that each alternately acts as a fluid pressure raising and lowering vessel, and each operates at the function opposite from the other vessel. Heat for the pressure raising vessel is any conventional terrestrially available heat source such as nuclear, geothermal, waste heat, electrical, solar, fossil fuel, and the like. The pressure lowering vessel delivers its heat to any conventional terrestrial sink. The gas engine is preferably a turbine, but may be another conventional gas-expanding engine. The thermodynamic fluid preferably has a change of state through the cycle, from boiling liquid, with vapor through the engine, and condensing back to liquid in the condenser. However, a gas cycle is also useful depending on the temperatures encountered by each particular system.

REFERENCES:
patent: 3932995 (1976-01-01), Pecar
patent: 4024715 (1977-05-01), Scragg et al.
patent: 4150923 (1979-04-01), Wardman
patent: 4229660 (1980-10-01), Adler

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