Selectable filter assembly

Details Selectable filter assembly Selectable filter assembly

1983-07-19

1985-03-12

Richman, Barry S.

Liquid purification or separation

Plural distinct separators

Filters

210341, 210426, 210428, B01D 3512

Patent

active

045043906

ABSTRACT:
A filter arrangement has two hollow, coaxial, cylindrical filter elements, one of which is closed at one end and the other of which is connected to a clean fluid outlet. The outsides of the filter elements are separated from each other by an intermediate ring. A three-way valve is operable by an operating member to connect an inlet for the raw fluid to either or both of first and second filter elements. A control member operates valves for opening and closing an outlet for dirty fluid is operated at the same time with the three-way valve, dependent on its position. Both filter elements can be used simultaneously for filtering and also flow can be reversed through either filter element.

REFERENCES:
patent: 1078939 (1913-11-01), Orgel
patent: 1742669 (1930-01-01), Ross
patent: 3214023 (1965-10-01), Donner
patent: 3221888 (1965-12-01), Muller
patent: 3870636 (1975-03-01), Schettler
patent: 4259097 (1981-03-01), Patel et al.
patent: 4291020 (1981-06-01), Meter
patent: 4341642 (1982-07-01), Koepk et al.
Brochure: "CONFLOW", pub. by Krampe & Co. Maschinenfabrik, Hattingen (Ruhr), BRD.

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