Non-freeze closed loop evaporated cooling system

Details Non-freeze closed loop evaporated cooling system Non-freeze closed loop evaporated cooling system

1994-03-29

1995-02-21

Sollecito, John M.

Refrigeration

Processes

Circulating external gas

62310, 261DIG46, 261 97, 261DIG11, 261 721, F25D 1706

Patent

active

053905024

ABSTRACT:
A precooling system for an evaporative cooler for a closed loop cooling fluid system includes a supplemental heat exchanging coil connected in the cooling fluid loop upstream of the main evaporative cooler coils and positioned in the outlet air flow through the evaporative cooler, but above or outside the path of the spray water. The supplemental heat exchanging coil provides enough additional cooling capacity to allow the spray water system to be completely shut off and the spray water sump drained during low outside ambient temperature operation. Freeze up of the sump and other parts of the spray water system are completely eliminated and a substantial saving in spray water consumption and energy for freeze prevention systems is realized.

REFERENCES:
patent: 1861158 (1932-05-01), Hilger
patent: 2068478 (1937-01-01), Bergdoll
patent: 2213622 (1940-09-01), Carraway
patent: 2498017 (1950-02-01), Stutz
patent: 3026690 (1962-03-01), Deverall

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