Ventilation – Workstation ventilator
Patent
1993-01-25
1994-08-16
Joyce, Harold
Ventilation
Workstation ventilator
204270, B08B 1502
Patent
active
053382480
ABSTRACT:
A ventilation system for ventilating a process tank (30, 31, 32) containing a liquid (L.sub.1, L.sub.2 or L.sub.3) which produces noxious fumes or vapors. A hood (33, 34 or 35) is provided which has one or more open slots (33A) for continuous venting of the surface of the tank (33) and a door (37) which covers a second slot (33B) which is activated only when there are additional fumes, particularly when fixture or workpiece, such as fixture (12), is removed from the tank (30). The hoods are designed for automatic operation of the doors. The hood is particularly useful for the plating industry or other industries where noxious fluids in tanks need to be vented.
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Joyce Harold
McLeod Ian C.
Midwest Air Products Co., Inc.
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