Filter apparatus for even flow distribution
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Nov 20, 1997
filing date -
Nov 20, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filter system including a cylindrical filter formed around a cylindrical spindle so as to form a passage therebetween, the spindle forming a channel along its length, a channel outlet at a lower end and a plurality of inlet apertures which lead from the passage to the channel, the apertures unevenly distributed along the length of the spindle such that there is a greater combined aperture area in an upper portion of the spindle than there is in a lower portion of the spindle whereby essentially even fluid flow occurs through the filter.
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