Process and apparatus for transforming heat at a relatively low

Details Process and apparatus for transforming heat at a relatively low Process and apparatus for transforming heat at a relatively low

1976-03-19

1978-10-10

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60690, 62238, 62335, F01K 2506

Patent

active

041189345

ABSTRACT:
The invention relates to a process for transforming heat having a low temperature into motive power, wherein heat which is carried by a first fluid is used for heating a condensable second fluid which participates in a thermodynamic cycle and wherein the second fluid is expanded thereby producing motive power or thermic energy having a higher potential. The apparatus for putting into practice this process comprises a superheater, in which the first fluid carrying the heat to be transformed and the second fluid circulate, an expansion device for the second fluid which produces motive power, a heat exchanger in which the expanded second fluid and a compressed second fluid circulate, a condenser for transforming the expanded second fluid into a liquid, a compressor for feeding the liquid second fluid to the superheater via the heat exchanger, and a gaseous fluid circulating through the condensor which mixes via ports and a convergent nozzle in the superheater with the first fluid. An environmental conditioning apparatus may be connected to receive a portion of the output from the expansion device or the condensor to effect a heating or cooling operation.

REFERENCES:
patent: 1871244 (1932-08-01), Steuart
patent: 3153442 (1964-10-01), Silvern
patent: 3241327 (1966-03-01), La Fleur
patent: 3636706 (1972-01-01), Minto
patent: 3971211 (1976-07-01), Wethe et al.

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