Liquid purification or separation – Filter – With residue removing means or agitation of liquid
Patent
1989-01-17
1991-05-14
Fisher, Richard V.
Liquid purification or separation
Filter
With residue removing means or agitation of liquid
210488, 2104971, 55242, 55498, 55520, B01D 2707
Patent
active
050153790
ABSTRACT:
A filter element comprising at least one coiled filter strip defining first and second butt ends, one of the butt ends being arranged to define an upstream surface during normal filtering operation, receiving fluid to be filtered, and the other of the butt ends being arranged to define a downstream surface during normal filtering operation, through which filtered fluid leaves the coiled strip.
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Fisher Richard V.
Millard Wanda L.
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