Method of evaporative cooling of a fluid and apparatus therefor

Refrigeration – Processes – Circulating external gas

Reexamination Certificate

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C062S315000, C062S259400

Reexamination Certificate

active

06854278

ABSTRACT:
The operating efficiency of indirect evaporative cooling processes and indirect evaporative cooling apparatus employing a dry side channel and a wet side channel separated by a heat exchange plate are improved by placement of holes in the heat exchange plate. Further improvements are obtained when the flow direction in the wet side channel is cross-current to the flow direction in the dry side channel. Placement of desiccant materials in the dry side channel also serve to improve the operating efficiencies of these processes and apparatus.

REFERENCES:
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patent: 3997635 (1976-12-01), Hallgren
patent: 4594860 (1986-06-01), Coellner et al.
patent: 5187946 (1993-02-01), Rotenberg et al.
patent: 5460004 (1995-10-01), Tsimerman
patent: 5555742 (1996-09-01), Kelley
patent: 5617913 (1997-04-01), DeGregoria et al.
patent: 20020011075 (2002-01-01), Faqih
patent: 20020073718 (2002-06-01), Maisotsenko et al.
patent: 690271 (1976-11-01), None
patent: 641260 (1977-04-01), None

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