Pumping device
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United States of America Patent
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Apr 18, 2017
Grant Date -
Aug 15, 2013
app pub date -
Feb 4, 2013
filing date -
Feb 3, 2012
priority date (Note) -
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Abstract
A pumping device compresses fluid, provides a vacuum, or both compresses fluid and provides a vacuum. A pumping device may be used to force gas through a sieve bed, draw gas out of a sieve bed, or both force gas through a sieve bed and drawing gas out of a sieve bed. A pumping device may be operated at high speed to provide a high fluid flow rate with a small pumping device.
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