Acoustic fluid machine
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United States of America Patent
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Feb 10, 2009
Grant Date -
Feb 21, 2008
app pub date -
Oct 19, 2007
filing date -
Sep 10, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
In an acoustic resonator, an actuator allows a piston to reciprocate axially at very small amplitude at high speed. Owing to pressure fluctuation in the acoustic resonator involved by reciprocal motion of the piston, fluid is sucked into and discharged from the acoustic resonator via a valve device at the top end of the acoustic resonator. The acoustic resonator is covered with a gas guide with a space. The valve device is cooled by a fan at the top end of the gas guide.
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