Vacuum relief valve
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United States of America Patent
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May 28, 2013
Grant Date -
Jul 28, 2011
app pub date -
Jan 28, 2010
filing date -
Jan 28, 2010
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A vacuum relief valve is provided. The vacuum relief valve includes a valve body, a filter, a valve stem, a valve seal, a valve seat and valve biasing structure. The valve body includes an interior, an inlet side and a tank side. The inlet side is located substantially opposite the tank side. The filter is located at the inlet side. The valve stem is positioned on the interior the valve body. The valve seal is positioned about the valve stem. The valve seat cooperates with the valve seal to seal the vacuum relief valve. The valve biasing structure is located between the valve seal and the tank side. The valve biasing structure is configured to bias the valve seal towards the valve seat.
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