Discharge valve assembly
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United States of America Patent
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Aug 12, 2014
Grant Date -
Oct 24, 2013
app pub date -
Feb 12, 2013
filing date -
Apr 18, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A discharge valve assembly includes: a valve casing that has an intake bore, an air chamber communicating with the intake bore, and a discharge aperture communicating with the air chamber; a metal intermediate ring disposed in the air chamber and having a valve hole that communicates with the air chamber, and at least one connecting aperture that communicates with the discharge aperture and the valve hole; a base ring that retains the metal intermediate ring in the air chamber and is mounted on the valve casing; and an adjuster that is disposed in the base ring and movable relative to the base ring to adjust an air flow through the valve hole.
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