Filter for venting enclosures, for example containing...

Gas separation – Combined or convertible – In vented container

Reexamination Certificate

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Details

C055S385100, C055S320000, C055S505000, C055S510000, C055S385300, C095S273000, C096S004000, C362S547000

Reexamination Certificate

active

07572309

ABSTRACT:
A filter for venting an enclosure (1) containing an electrical apparatus (4), such as a lens or lighting unit of a motor vehicle, and exposed to moisture or atmospheric agents, the filter including a tubular body (20) with a through cavity or conduit (11) opening at opposite ends (9, 10) of the body (20), which is coupled to a venting aperture (6) of the enclosure (1), the filter (8) including a hydrophobic filtering element; the body (20) of this filter (8) includes at least two portions (20A,20B) set at an angle to each other, the membrane filtering element (15) being in the interior of the body (20) and being associated with it in such as manner as to form one piece therewith, and being coupled to the body (20) in a manner transverse to an axis of at least one of the portions.

REFERENCES:
patent: 4900441 (1990-02-01), Graus et al.
patent: 5406467 (1995-04-01), Hashemi
patent: 6071000 (2000-06-01), Rapp
patent: 6174231 (2001-01-01), Bodin
patent: 6969415 (2005-11-01), Traut et al.
patent: 2004/0025693 (2004-02-01), Bedingfield et al.
patent: 2007/0245894 (2007-10-01), Poulis
patent: 197 02 685 (1998-07-01), None
patent: 0 717 231 (1996-06-01), None
patent: 0 860 923 (1998-08-01), None
patent: 1 184 602 (2002-03-01), None
patent: 07-147106 (1995-06-01), None

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