Filter apparatus
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United States of America Patent
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-
Sep 2, 1980
Grant Date -
N/A
app pub date -
Jan 22, 1979
filing date -
Jan 22, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter apparatus and filtering system which is particularly applicable for extracting particulated material from hot gases comprising a collector overlying a portion of the upstream face of the filter element for applying a reduced pressure to the particulate filter cake formed thereover to effect a dislodgement and recovery of the filtered particulate material. The collector is movable to progressively traverse substantially the entire upstream face of the filter element to effect a cleaning thereof by removal of the filter cake without interruption of the operation of the filtering system. The invention further encompasses a separator for cleaning the granular filter medium withdrawn from the filter apparatus and for recycling the cleaned filter medium back to the filter apparatus.
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