Sub-ambient absorber GAX cycle

Details Sub-ambient absorber GAX cycle Sub-ambient absorber GAX cycle

1998-03-24

1999-10-19

Doerrler, William

Refrigeration

Processes

Evaporation induced by sorption

62485, 62489, F25B 1500

Patent

active

059669489

ABSTRACT:
051080356
Apparatus and process are disclosed for increasing the efficiency of thermally actuated absorption process such as absorption compression and absorption heat pumping. The improvement allows greater temperature overlap between generator and absorber, ambient responsive performance, significantly lower need for rectification, multiple temperature level refrigeration, and hybrid operation. Referring to FIG. 2, the useful result is obtained by routing the sorbent from the externally cooled absorber (10) to a sub-ambient absorber (2) and further cooling and diluting the sorbent by means of the evaporator (28). The sorbent is concentrated in the absorber-heated generators (14 and 18) and the externally heated generator (22).

REFERENCES:
patent: 3483710 (1969-12-01), Bearint
patent: 3641784 (1972-02-01), Schlichtig
patent: 4542628 (1985-09-01), Sarkisian et al.
patent: 4827728 (1989-05-01), DeVault et al.
patent: 4921515 (1990-05-01), Dao
patent: 5097676 (1992-03-01), Erickson

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