Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent
1987-02-10
1990-06-19
Cintins, Ivars
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
210108, 210130, 210136, 210193, 210411, 210413, 210492, B01D 2938, B01D 2946
Patent
active
049351265
ABSTRACT:
A fluid filter comprising a housing defining a fluid inlet and a fluid outlet, a filter element defining an upstream surface communicating with the fluid inlet and a downstream cylindrical surface communicating with the fluid outlet, the filter element comprising a stack of filter disks defining a hollow volume interiorly thereof and a longitudinal axis, and backflushing means for removing filtered out sediment from the filter element comprising an axially displaceable backflushing nozzle assembly disposed within the hollow volume comprising a rotating head coupled to the fluid inlet and having fluid outlet means, arranged to provide a generally radially directed pressurized jet and rotational motion of the rotating head.
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