Clean air system

Details Clean air system Clean air system

1997-08-22

1999-01-12

Woo, Jay H.

Gas separation

Combined or convertible

In environmental air enclosure

55496, 55505, 55506, 55508, 55DIG18, B01D 5000

Patent

active

058580417

ABSTRACT:
A clean room includes walls, a floor and a ceiling which define the room. An air delivery system having a HEPA filter, a fan and an air return duct in communication with the filter, is provided to maintain the air in the room clean. A shield of the present invention is mounted in the room over a work surface to form a clean zone over at least a part of the table. The shield is mounted so that at least a part of the filter is within the clean zone so that filtered air will be forced into the clean zone. Accessories, such as an IV bar and a light panel may be provided with the shield to facilitate working in the clean zone. The shield creates a clean zone in the clean room having a higher class rating than the clean room rating without the use of additional HEPA filters and without the use of traditional laminar flow hoods.

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patent: 5487768 (1996-01-01), Zytka et al.
patent: 5511594 (1996-04-01), Brennan et al.
patent: 5665128 (1997-09-01), Peters et al.

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