Gas separation: apparatus – With inspection means
Reexamination Certificate
2006-07-18
2006-07-18
Chiesa, Richard L. (Department: 1724)
Gas separation: apparatus
With inspection means
C055S359000, C055S385600, C055S422000, C055S493000, C454S066000, C454S184000
Reexamination Certificate
active
07077893
ABSTRACT:
The invention relates to a hood (10) for a filter ventilator, which is connected to an outside wall (40) of a space to be ventilated, in particular the outside wall (40) of a control box, circuit housing, or case for various kinds of devices, and which includes an air inlet (11), an air outlet (12), a filter (20) mounted in the air outlet and a maintenance portal (13), in particular for exchanging the filter (20). In order to enable effortless and rapid exchange of the filter, the maintenance portal (13) is made such that it can be closed by at least one pivotable flap30.
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Patent Abstracts of Japan & JP 09 036577. “Electronic Device Cooling Dustproof Filter”. Feb. 7, 1997.
Chiesa Richard L.
Merchant & Gould P.C.
STEGO-Holding GmbH
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