Filter system with environmentally friendly filter cartridge

Details Filter system with environmentally friendly filter cartridge Filter system with environmentally friendly filter cartridge

1995-12-20

1997-12-30

Savage, Matthew O.

Liquid purification or separation

Plural distinct separators

Filters

210440, 210441, 210450, 210456, 210458, B01D 3534

Patent

active

057026025

ABSTRACT:
A filter system using a filter cartridge adapted for disposal in an environmentally acceptable manner. The filter cartridge has no metal parts, and thus avoids the use of a metal center tube, or a center tube of any configuration. The housing itself carries a permanent center tube. A sealing arrangement formed between the filter cartridge and the housing provides a radial seal isolating the outer periphery of the filter cartridge from the remainder thereof. Filter and caps are in the lower pressure downstream zone, and thus any axial forces imposed on the filter place the filter media in tension to avoid the imposition of crushing loads on the unsupported filter.

REFERENCES:
patent: 2925913 (1960-02-01), Wheeler
patent: 3270884 (1966-09-01), Bremer
patent: 5399264 (1995-03-01), Pulek et al.
patent: 5445734 (1995-08-01), Chen

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