Hydrophobic vent assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 30, 2013
Grant Date -
Mar 10, 2011
app pub date -
Aug 13, 2010
filing date -
Sep 8, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vent assembly connectable to a transmission housing includes a stem, a membrane and a cap. The stem has an annular flange, a first end, a second end, and a through bore extending between the first end and the second end. The first end is connectable to the transmission housing and the second end has at least one flange and an annular rim. The membrane is located on the second end of the stem over the bore. The cap has a base and an annular wall extending from the base. The annular wall of the cap is deformed at a terminal end against the annular flange of the stem at discrete locations, where an undeformed portion of the annular wall of the cap creates at least one channel axially extending along the stem. The at least one channel creates a path between the cap and the flange of the stem.
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