VALVE ISLAND WITH NON-ACTIVE AREA VENTING BETWEEN COMPONENTS
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United States of America Patent
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Jun 12, 2007
Grant Date -
Jun 14, 2007
app pub date -
Dec 12, 2005
filing date -
Dec 12, 2005
priority date (Note) -
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Abstract
A valve island that has vented non-active areas is disclosed. The valve island has a plurality of active gas passageways that are coupled together between components. At the junction between the different components the active fluid passageways are surrounded by a sealing surface. The sealing surface essentially surrounds some non-active areas. The non-active areas are vented to the outside air through one or more passageways. The non-active areas may be recessed from the sealing surface.
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