Self-cleaning vacuum filter, particularly for filtering industrial lubricants and coolants
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United States of America Patent
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Jun 2, 1992
Grant Date -
N/A
app pub date -
Feb 19, 1991
filing date -
Oct 26, 1990
priority date (Note) -
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Abstract
A self-cleaning vacuum filter, particularly for filtering industrial lubricants and coolants, comprises a tank for the liquid to be filtered containing a filter assembly, the bottom of which communicates with a vacuum chamber connected to a suction device for the liquid. The filter assembly includes a screen and an endless loop of regenerable filter cloth movable in steps over the screen and through a station for the removal of the filtered material, the station extending out of the tank and having a removal device for removing the filtered material from the filter cloth. The removal device includes a roller extending transverse of the filter cloth, substantially in contact therewith, and a motor for rotating the roller at high speed.
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