Power plants – Utilizing natural heat – Solar
Patent
1979-05-15
1981-12-22
Ostrager, Allen M.
Power plants
Utilizing natural heat
Solar
60660, 60671, F03G 702
Patent
active
043064167
ABSTRACT:
A closed cycle, hydraulic-turbine heat engine for providing a steady electrical or mechanical power source from any available or created relative heat source comprising an evaporation chamber, a vapor conduit connected to the evaporation reservoir and extending vertically therefrom, a condensing reservoir at the upper end of the gas conduit, and a liquid conduit between the condensing reservoir and the evaporation chamber. The liquid conduit, vapor conduit, evaporation chamber, and condensing reservoir form a closed system for containing a refrigerant. A heat exchanger coupled to an external heat source is arranged to provide heat to the refrigerant in the evaporation reservoir, and a condenser, coupled to a heat sink, condenses refrigerant vapor entering the condensing reservoir from the vapor conduit. A pressure regulating device responsive to a characteristic temperature of the system regulates the pressure in the closed system to raise or lower the boiling point of the refrigerant, so that the system is operable over a wide range of operating conditions and ambient temperatures. A turbine is positioned in the liquid conduit for coverting the flow of liquid refrigerant through the conduit into useful mechanical or electrical energy.
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Husar Stephen F.
Ostrager Allen M.
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