Airvest improved retention and flow of refrigerated air

Apparel – Body garments

Reexamination Certificate

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Reexamination Certificate

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07954171

ABSTRACT:
The proposed invention is a method of cooling the human body using compressed air in the manner described by U.S. Pat. No. 5,438,707 without the necessity of directing the nozzles of the air jets directly at the body. The proposed invention directs the air jets in a parallel manner to the surface of the body thus cooling by both the expansion of the gas and evaporative cooling enhanced by larger contact with said surface of the body. Said air jets also cool by a coanda effect that entraps large amounts of air and pulls it along the surface of the body thus increasing evaporation. The present invention also entraps the cold air within a wind resistant cover replacing the mesh outer cover design.

REFERENCES:
patent: 2052869 (1936-09-01), Coanda
patent: 5255390 (1993-10-01), Gross et al.
patent: 5353605 (1994-10-01), Naaman
patent: 5438707 (1995-08-01), Horn
patent: 5533354 (1996-07-01), Pirkle

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