A - Human Necessities – 47 – B
Patent
A - Human Necessities
47
B
312/2, 98/42
A47B 81/00 (2006.01) B08B 15/02 (2006.01) F24F 7/007 (2006.01)
Patent
CA 1116221
-1- ABSTRACT A workstation (10) includes a working area (12) inside an enclosure (11) to which an operative can gain access via an access aperture (13) beneath a transparent window, an air circulation system, including a fan (16), being provided for drawing air from the enclosure (11) and directing it back to the enclosure (11) via a filter (15), an outlet being provided downstream of the filter for diverting a proportion of the clean air from the filter (15), so as to cause a lowering of pressure inside the enclosure (11) sufficient to cause an inflow of ambient air via the access aperture (13).
327457
George H. Riches And Associates
Howorth Air Engineering Limited
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