Fluid filtering systems
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United States of America Patent
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Aug 22, 1989
Grant Date -
N/A
app pub date -
Feb 9, 1988
filing date -
Feb 26, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid filtering system which includes a fluid filtering unit having a localized cleaning arrangement. The fluid filtering unit comprises a filter element through which the fluid being filtered is passed and structure for cleaning the filter element without interruption of the filtering operation of the unit. The cleaning structure includes a cleaning head which ejects fluid under pressure and which is moveable relative to the filter element to bring about localized cleaning of the element. Preferably, the filter element is moved, by an hydraulic arrangement to bring about localized cleaning over the whole of the filter element.
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