Method for the backflushing of filters
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United States of America Patent
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Jan 8, 2013
Grant Date -
Jan 22, 2009
app pub date -
May 28, 2008
filing date -
Jun 1, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Air filters comprising thin-walled textile filter bodies have to be cleaned periodically. According to a method known to this purpose, the filtered material is loosened using pressure pulses in a flushing air flow. According to the invention, for generating the pressure pulses a plurality of small, quick-acting valves are in each case briefly opened, the opening moments being adapted to one another in such a way that partial pulses released thereby arrive simultaneously at the inlet of a flushing line common thereto.
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