Back-flushable filter

Details Back-flushable filter Back-flushable filter

1990-12-26

1992-12-15

Dawson, Robert A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Filter cleaning

210232, 21033301, 210340, 210392, 210429, B01D 2962

Patent

active

051714337

ABSTRACT:
A filter device includes a tube connectible to a fluid line for the fluid to be filtered, and a housing enclosing the tube and including a partition dividing its internal chamber into two compartments each including a filter body. The housing and partition are movable axially of the tube to position the partition with respect to the inlet opening at: (a) a first position to cause both filter bodies to perform a filtering function, (b) a second position to cause the first filter body to perform a filtering function, or (c) a third position to cause the second filter body to perform a filtering function.

REFERENCES:
patent: 4601826 (1986-07-01), Christophe et al.
patent: 4806217 (1989-02-01), Rosenberg
patent: 5024763 (1991-06-01), Schlaginhaufen

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