Refrigeration – Processes – Evaporation induced by sorption
Patent
1985-03-04
1986-06-17
King, Lloyd L.
Refrigeration
Processes
Evaporation induced by sorption
623242, 62476, 62480, F25B 1500
Patent
active
045948569
ABSTRACT:
A method and device are provided for increasing the temperature of heat. By supplying heat at a temperature T.sub.2 to a solid adsorbent, a working fluid is desorbed from this adsorbent at a relatively high pressure. The evolving gaseous working fluid is transformed to a liquid phase at a temperature T.sub.1 ' (T.sub.1 ' T.sub.2) while liberating heat. The working fluid is then transformed to the gaseous phase at a lower temperature T.sub.0 and a lower pressure p.sub.0 while heat is supplied. The generated gaseous working fluid is absorbed in a second adsorber/generator in a solid adsorbent. The absorber/generators periodically change between the adsorption and desorption phase and are operated in opposite phases. Before an interchange of the function of the two adsorber/generators, an internal heat exchange is carried out. The internal heat exchange includes a pressure equalization step with a subsequent heat transfer by a heat transfer loop. The use of an absorbent fluid leads to the resorption system which facilitates an optimization of the pressure levels used in the system.
REFERENCES:
patent: 1881208 (1932-10-01), Masterman
patent: 2276948 (1942-03-01), Afkleen
patent: 2319806 (1943-05-01), Afkleen
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patent: 4199952 (1980-04-01), Berg
patent: 4199959 (1980-04-01), Wurm
patent: 4410028 (1983-10-01), Alefeld et al.
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