| 摘要 |
A filter ( 8 ) 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, includes 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 ) has at least two portions ( 20 A, 20 B) set at an angle to each other, the membrane filtering element ( 15 ) being in the interior of the body ( 20 ) and associated therewith so 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. The membrane is located within the mould before injection molding.
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