Filter apparatus and a method of cleaning filter elements thereof
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United States of America Patent
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-
Jun 30, 1981
Issued Date -
N/A
app pub date -
Sep 19, 1979
filing date -
May 9, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter apparatus has an elongated shaft, a plurality of filtering elements mounted on the shaft and spaced from one another in direction of elongation of the latter, and means for cleaning the filtering elements. The cleaning means includes a source of cleaning medium under elevated pressure and a plurality of nozzle elements communicating with this source. The nozzle elements face toward surfaces of filtering material provided on the filter elements and are turnable relative to these surfaces. The cleaning medium is ejected from the nozzle elements at a pressure between substantially 5 and 100 bar toward the surfaces of the filtering material of the filter elements so that the cleaning medium removes a cake deposited during a filtering process from the surfaces of the filtering material and thereupon also cleans the filtering material of the filter elements.
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