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US 4,361,525 AGranted
Air cooling apparatus
OwnerBilly M. Leylandinventor
Life of this patent
Estimating the term…
Abstract
An apparatus for efficiently and economically cooling air by sequentially passing the air to be cooled through a chilled water heat exchanger mechanism and then through an evaporative cooler mechanism.
Claims8
An air cooling apparatus comprising in combination:
- a. an evaporative cooler including,
- I. a cabinet having at least one air inlet opening,
- II. an air handler in said cabinet for drawing ambient air through said air inlet opening into said cabinet,
- III. a wettable fibrous pad mounted in said air inlet opening,
- IV. a sump for containing a water supply;
- b. a heat exchanger mounted in said air inlet opening of said cabinet in front of said wettable fibrous pad in overlaying relationship so that the ambient air will pass through said heat exchanger prior to passing through said wettable fibrous pad;
- and
- c. pump means in said evaporative cooler for recirculatingly supplying water from said sump through said heat exchanger and from said heat exchanger through said wettable fibrous pad.
5 more elements
Dependencies are inferred from the claim text.