Hydroclone based fluid filtration system
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United States of America Patent
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Apr 22, 2014
Grant Date -
May 23, 2013
app pub date -
May 17, 2012
filing date -
Aug 18, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A variety of improved hydroclone based fluid filtering systems are described. The hydroclones generally include a tank having an internal chamber and a filter (preferably a surface filter) that is positioned within the internal chamber. The filter defines a filtered fluid chamber within the internal chamber of the tank. The hydroclone may be operated such that a vortex of flowing fluid is formed between the chamber wall and the filter with the filter being located in the center of the vortex. With this arrangement, the filter acts as a cross-flow filter. In one aspect of the invention, a circulating cleaning assembly is provided in the hydroclone region. In yet another aspect of the invention, improved hydroclone intake structures are described.
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