Power plants – Utilizing natural heat – Solar
Patent
1980-06-02
1983-03-15
Ostrager, Allen M.
Power plants
Utilizing natural heat
Solar
606418, 126424, 126440, F03G 702
Patent
active
043763723
ABSTRACT:
An improved solar energy conversion apparatus, including duration-of-operation extension apparatus for effectively converting solar radiation thermal energy, on a high-efficiency basis, into captive or stored thermal energy in a captive working medium in a closed-cycle power conversion system (usually consisting of flow-path defining apparatus, such as piping, tubing or the like) and adapted at an output end to be connected to any of various different types of thermal energy utilization apparatus which will effectively reduce the temperature and/or pressure of the working medium as a consequence of the effective extraction of substantial quantities of energy from the working medium by such utilization apparatus, and normally provided with a return-flow line (usually ducting or the like) adapted to be connected from an output side of such utilization apparatus back to a low-thermal-energy input end of the flow-path-defining apparatus of the power conversion system. An important feature is the provision of optical, infrared-radiation-concentrating apparatus focused on a much smaller area, and usually line-shaped, radiation reception surface and a thermally related radiation-to-heat conversion layer in heat transfer relationship with respect to the flow-path-defining apparatus for heating the contained working medium, in one form in a plurality of series-connected sequential thermal-energy-step-up sections of the flow-path-defining apparatus so as to successively increase the amount of thermal energy transferred therein to a high level before reaching the thermal energy utilization apparatus.
REFERENCES:
patent: 3968652 (1976-07-01), Cheralier
patent: 4220136 (1980-09-01), Penney
Husar Stephen F.
Ostrager Allen M.
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