Control device for filters in at least two partial fluid streams

Details Control device for filters in at least two partial fluid streams Control device for filters in at least two partial fluid streams

1997-02-12

1998-07-14

Drodge, Joseph W.

Liquid purification or separation

Plural distinct separators

Filters

553501, 21033301, 210341, 210426, 425199, B01D 3512

Patent

active

057798982

ABSTRACT:
A control device for at least two partial fluid ducts comprises a common fluid supply duct and a common fluid removal duct. The fluid supply duct is connected with the fluid removal duct by at least two partial fluid ducts. A filtering device, a valve device each having a blocking element, and a stop valve are each located in a corresponding partial fluid duct. Each blocking element of the valve device operates in such a way that the blocking element can be moved between a first (open) position, in which the fluid flowing through the partial fluid duct in which it is located is filtered, and a second (closed) position, in which the fluid is filtered in the other partial fluid duct, whereas at the same time the filtering device provided in the partial fluid duct in which it is located is washed by the fluid flowing in the reverse direction. Furthermore, each blocking element can be brought from the first position into the second position and vice-versa by rotating the blocking element.

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patent: 5125823 (1992-06-01), Kreyenborg
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patent: 5407586 (1995-04-01), Gneuss

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