Filter backflushing system using piston arrangement with connected chambers
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United States of America Patent
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Dec 8, 1998
Issued Date -
N/A
app pub date -
Dec 15, 1994
filing date -
Jul 27, 1993
priority date (Note) -
Expired
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Abstract
The piston arrangement includes one or more pistons, each propelled by a pneumatic actuator. Alternately, an accumulator-type actuator may be used, wherein compressed gas is inputted directly into the backflushing fluid chamber to reverse fluid flow through the filter arrangement.
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