Turbulence-free laboratory safety enclosure

Details Turbulence-free laboratory safety enclosure Turbulence-free laboratory safety enclosure

2007-05-15

2007-05-15

Wilson, Gregory A. (Department: 3749)

Ventilation

Workstation ventilator

Covered workbench chamber

C454S059000

Reexamination Certificate

active

11081911

ABSTRACT:
The present invention relates to controlled airflow and air distribution within a laboratory safety enclosure and in particular, to turbulence-free airflow within a laboratory fume hood. The fume hood of the present invention has a work chamber and an access opening having an upper edge. A horizontal air deflector structure is positioned adjacent to the upper edge of the access opening to divert a portion of air entering the access opening upwardly within the chamber, whereby the diverted air eliminates an airflow eddy current.

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“Method to Realize Effectively Localized Super Clean Zone”, IBM Technical Disclosure Bulletin, IBM Corporation, Oct. 1, 1991.

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