Filtering device for fluid media, has filter stage including filter rotatable around axis or movably supported along guide for filtering contaminations, which are removed by backwashing unit from another filter of another filter stage

摘要

The device has a filter stage (4) arranged between an inlet channel (2) and an outlet channel (3), where the filter stage includes a filter rotor (5), and a backwashing unit (16) for cleaning a filter (6) present in the filter rotor. Another filter stage (7) includes a filter (8) rotatable around an axis (9) or movably supported along a guide for filtering contaminations, which are removed by the backwashing unit from the filter (6) of the filter stage (4). The filter stage (7) is a component part of a bypass between a return line (10) and an inlet (11).