Liquid purification or separation – Processes – Separating
Patent
1990-02-14
1991-06-18
Hart, Charles
Liquid purification or separation
Processes
Separating
210353, 210409, 2104932, 21049701, B01D 2446
Patent
active
050247719
ABSTRACT:
The disclosed filter element is a screen filter having a vane arranged on the outside surface of a screening element for improving the filtration of solid contaminants from a liquid undergoing filtration. A single cartridge screening element may be quickly cleansed with in a minimum time interval with raw water and without requiring the removal of the filtering element.
REFERENCES:
patent: 3481474 (1969-12-01), Paulson
patent: 3487931 (1970-01-01), Paulson
patent: 3754658 (1973-08-01), Messing
DaRin Edward J.
Everfilt Corporation
Hart Charles
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