Filter device operating method

A filter device operating method involves a plurality of filter elements (21) received in a filter housing having a filter inlet for a fluid to be filtered and a filter outlet for the filtered fluid. Flow through the filter elements (21) is possible in both directions for filtration or backwashing....

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Bibliographic Details
Main Authors GERSTNER JOERG HERMANN, WNUK RALF, SCHLICHTER BERNHARD
Format Patent
LanguageEnglish
Published 27.08.2013
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:A filter device operating method involves a plurality of filter elements (21) received in a filter housing having a filter inlet for a fluid to be filtered and a filter outlet for the filtered fluid. Flow through the filter elements (21) is possible in both directions for filtration or backwashing. Because the shut-off element (41) is a fast-closing plate valve (43) actuated by a hydraulic piston (53) and blocks the fluid connection so quickly, a feeding effect is created in the manner of a pressure blow on the backwashed filter element (21). The feeding effect increases the cleaning of pollution on the filter element (21), achieving an improved backwashing cleaning.
Bibliography:Application Number: US201213506763