VALVE APPARATUS AND HIGH PRESSURE PUMP HAVING THE SAME
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Apr 16, 2014
filing date -
Apr 18, 2013
priority date (Note) -
Abandoned
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Abstract
A common seat portion includes discharge passages that communicate between a first valve chamber and a second valve chamber when a discharge valve member is lifted away from the common seat portion. The common seat portion also includes a relief passage that extends substantially parallel to the discharge passages and communicates between the first valve chamber and the second valve chamber when a relief valve member is lifted away from the common seat portion.
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