Refrigeration – Processes – Evaporation induced by sorption
Patent
1995-02-21
1996-11-19
Doerrler, William
Refrigeration
Processes
Evaporation induced by sorption
62476, F25B 1500, F25B 1506
Patent
active
055751563
ABSTRACT:
A process and apparatus for absorption heat pumping include supplying heat to a first generator, desorbing vapor from a solution of absorbent and refrigerant in the first generator; in a first absorber, partially absorbing into an absorbent solution the vapor desorbed in the first generator to produce a mixture of vapor and liquid; further absorbing the vapor from the mixture in a second absorber, thereby producing a strong solution and evolving a heat of absorption; vaporizing some of the strong solution by reducing the ambient pressure, thereby extracting heat from a load, supplying absorbent vapor and liquid from the second generator to a third generator to produce more vapor, the third generator receiving the heat of absorption evolved by the second absorber, and leaving a remaining liquid that is pumped to the first absorber; supplying vapor from the third generator to a third absorber in which the vapor is absorbed into an absorbent solution, pumping absorbent solution from the third absorber to the first generator; and supplying absorbent liquid from the first generator to the third absorber.
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patent: 4724679 (1988-02-01), Radermacher
patent: 4732008 (1988-03-01), DeVault
patent: 5024063 (1991-06-01), Erickson
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