Liquid filter with centrifugal separator

Details Liquid filter with centrifugal separator Liquid filter with centrifugal separator

B - Operations, Transporting

01

D

B01D 27/06 (2006.01) B01D 35/22 (2006.01) B01D 36/00 (2006.01)

Patent

CA 2317891

A filter cartridge which removes particulate contaminants from liquids includes an annular filter element which, for example, may be a pleated paper filter element, as well as an array of fins which impart a spiral motion to the liquid prior to the liquid passing through the filter element. The spiral motion imparts a centrifugal force to the particulate contaminants causing heavier filter contaminants to move away from the filter media to proximity with the wall of a housing enclosing the filter media and to subsequently accumulate in an axial space disposed beneath the filter media. Since the filter media does not need to remove particles already precipitated out of the liquid, the life of the filter media is extended, the capacity of the filter media is increased, and the distribution of contaminant particles over the upstream side of the filter media is made more uniform.

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