Atmospheric thermal energy conversion system

Details Atmospheric thermal energy conversion system Atmospheric thermal energy conversion system

1980-06-02

1982-03-09

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Power system involving change of state

606416, 60649, F03G 704

Patent

active

043182755

ABSTRACT:
A method of providing useful work utilizing the difference between higher and lower elevations and an attendant difference in temperature. The method includes the step of providing a working medium comprised of more than one component, the components having different temperature values at which they vaporize and condense. Vapors of the working medium are condensed at the location of the higher elevation, and are directed under the force of gravity to means at a lower elevation capable of utilizing the medium in liquid form to produce useful work. The working medium in liquid form absorbs heat at the lower elevation and produces the vapors for the condensation step, the vapors being directed from the lower elevation to the higher elevation for condensing. The composition of the working medium is adjusted to response to changes in ambient temperature to provide a system having maximum efficiency in extracting work from the working medium.

REFERENCES:
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patent: 3953971 (1976-05-01), Parker
patent: 4242870 (1981-01-01), Searingen et al.

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