Acoustic fluid machine
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United States of America Patent
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Jul 14, 2009
Grant Date -
Oct 11, 2007
app pub date -
Mar 21, 2007
filing date -
Mar 23, 2006
priority date (Note) -
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Abstract
In an acoustic fluid machine, an acoustic resonator gradually reduces in diameter towards the top on which a valve device is provided to suck a gas into the resonator. The gas is compressed in the resonator by a circular-plate piston at the lower end of the resonator and discharged via an outlet of the valve device. The piston comprises a rubber plate fixed to the resonator and a metal plate attached on the rubber plate.
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