Liquid purification or separation – Diverse distinct separators – Including a filter
Patent
1987-03-30
1988-11-08
Fisher, Richard V.
Liquid purification or separation
Diverse distinct separators
Including a filter
210347, 210487, 55485, 55492, B01D 2926
Patent
active
047832622
ABSTRACT:
The present invention sets forth an improved cell type filter cartridge in which the individual cells contain a separator disc having stiffening members formed at the central aperture of the cell and connected to a plurality of the separating ribs in spaced relation to each other. The coaction of the two or more discs with the separator ribs provides for a rigid, box-like structure of the ribs to impart a substantial cantilevered strength to the ribs. Additionally, at least one of the stiffening discs is positioned at or near the ends of the separator ribs to act as a load-bearing surface to prevent media intrusion of the filtering medium and thereby maintain the area of the flow path of the filtered liquid as it passes through the central aperture of the disc.
REFERENCES:
patent: 3019905 (1962-02-01), Baker et al.
patent: 3187899 (1965-06-01), Prizler
patent: 3315812 (1967-04-01), Lewis et al.
patent: 4637877 (1987-01-01), Hartmann et al.
Artinyan Arto
Barnes Robert G.
Ostreicher Eugene A.
Cuno Incorporated
Fisher Richard V.
Millard Wanda L.
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