Filter system

Details Filter system Filter system

1989-08-14

1991-04-23

Silverman, Stanley

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Filter cleaning

210264, 210265, 210274, 210277, 210279, 210286, B01D 2446

Patent

active

050097768

ABSTRACT:
A filter system for achieving continuous filtering by the provision of three filter chambers disposed about a common vertical axis, each containing a filter bed comprised of buoyant particles through which the fluid to be filtered is passed in an upward direction and wherein provision is made for rehabbing the beds of particulate material as they become filled with solids, preferably in succession to enable continuous operation.

REFERENCES:
patent: 538720 (1895-05-01), Allen
patent: 2632566 (1953-03-01), Morrison et al.
patent: 2754971 (1956-07-01), Lawlor
patent: 2785123 (1957-03-01), Stroud
patent: 3122594 (1964-02-01), Kielback
patent: 3312348 (1967-04-01), Greenleaf, Jr.
patent: 3547270 (1970-12-01), Kass
patent: 3725263 (1973-04-01), Harris et al.
patent: 4420403 (1983-12-01), Tufts
patent: 4427555 (1984-01-01), Brown et al.
patent: 4446027 (1984-05-01), Simmers
patent: 4885083 (1989-12-01), Banks

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