Refrigeration – Structural installation – With body applicator
Patent
1996-10-02
1997-11-25
Doerrler, William
Refrigeration
Structural installation
With body applicator
62 86, 62 97, 12820121, F25D 2312, F17C 902, F17C 904, A61M 1506
Patent
active
056899688
ABSTRACT:
An apparatus for providing a conditioned airflow inside a microenvironment using a portion of the breathing supply diverted to an ejector from a breathing respirator gas stream, is described. The respirator includes an expansion ejector and the microenvironment air or ambient air or both is flowed over and contacted with the ejector to condition the air by cooling and dehumidifying it. The conditioned airflow is set up by the ejector which expels a portion of the breathing gas stream into a venturi to create a low pressure zone for entraining the microenvironment air or ambient air. The conditioned airflow is then directed to the user's body to reduce user heat stress. Broadly, the air conditioning apparatus is useful with any housing for a controlled physical environment in which a person or group of people can endure surrounding inhospitable conditions.
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Dominiak James P.
Frustaci Dominick J.
Doerrler William
Figgie International Inc.
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