Breather valve device for the container for an electronic control unit
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United States of America Patent
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Mar 18, 2008
Grant Date -
May 5, 2005
app pub date -
Nov 3, 2004
filing date -
Nov 4, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A breather valve device for a container for an electronic control unit, includes a support structure including, a substantially planar wall having first and second surfaces intended to face outwardly and inwardly of the container respectively, and in which is formed an aperture, and a projecting, essentially cylindrical, tubular wall extending from the first surface of the planar wall, substantially around the aperture; an interceptor element having a smaller cross section than the passage cross section of the tubular wall and of the aperture; the interceptor element being disposed inside an axially intermediate portion of the tubular wall, spaced radially from the latter so as to define, with respect to the tubular wall, a narrow annular gap; the interceptor element being connected to the support structure by at least one connector formation. The support structure, the interceptor element and the connector formation are integrally formed in one piece of molded plastics material. The valve device further includes a membrane permeable to gases and substantially impermeable to liquids, fixed to the second surface of the planar wall of the support structure so as to cover the aperture completely.
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