VACUUM RELIEF ASSEMBLY WITH CONTAMINANT SCREEN
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United States of America Patent
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Issued Date -
Jul 22, 2010
app pub date -
Jan 16, 2009
filing date -
Jan 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vacuum relief assembly for a containment vessel. The vacuum relief assembly includes a normally closed vacuum activated valve that selectively permits flow into the containment vessel from the atmosphere through an interior passage. The valve body includes an inlet opening into the interior passage and an outlet opening normally closed by the valve. A screen member is disposed upstream of the inlet opening. The screen is cylindrical and is supported between a shoulder on the valve body and a cap secured to the valve body.
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