Back-flushable filter having valved flusing pathway
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United States of America Patent
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-
Nov 19, 1996
Grant Date -
N/A
app pub date -
Feb 16, 1995
filing date -
Mar 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter operable in either a filtering mode or in a flushing mode, includes a cylindrical filter body, and a plurality of partitions defining a plurality of axially-extending, circumferentially-spaced filter compartments each communicating with an axial section of the filter body. All the filter compartments communicate with the fluid inlet except for at least one filter compartment which is blocked. A flushing pathway is provided between each blocked compartment and the flushing outlet. A valve in the flushing pathway is movable either to (a) a closed position during the normal filtering mode, or (b) an open position during the flushing mode.
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