One-and-a-half effect absorption cycle

Details One-and-a-half effect absorption cycle One-and-a-half effect absorption cycle

1989-12-11

1991-05-21

King, Lloyd L.

Refrigeration

Processes

Exchanging heat between plural systems, e.g., disparate

622383, 62476, F25B 700

Patent

active

050164449

ABSTRACT:
Apparatus and process are disclosed for a new absorption heat pump cycle which achieves a COP of approximately one and a half times that achievable in a single-effect cycle, at generator temperatures substantially less than the minimum required for double-effect operation. This is done by providing two internally heated generators (108 and 109 of FIG. 1) in addition to the externally-heated generator (110); plus at least two separate and distinct absorbent solution circulating loops (112-114 and 120-122); and a transfer of vapor from one of the generators (108) to one of the absorbers (116).

REFERENCES:
patent: 4402795 (1983-09-01), Erickson
patent: 4439999 (1984-04-01), Mori et al.
patent: 4448040 (1984-05-01), Kunugi
patent: 4475361 (1984-10-01), Alefeld
patent: 4542629 (1985-09-01), Biermann
patent: 4551991 (1985-11-01), Miyoshi et al.
patent: 4646541 (1987-03-01), Reid, Jr. et al.
patent: 4732008 (1988-03-01), DeVault
patent: 4921515 (1990-05-01), Dao

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