Filter apparatus and method

Details Filter apparatus and method Filter apparatus and method

1987-01-09

1988-11-29

Cintins, Ivars

Liquid purification or separation

Processes

Separating

210807, 210269, 210290, 210503, B01D 2324

Patent

active

047879874

ABSTRACT:
A filter device for removing contaminants from liquid flowing therethrough comprising a vessel having an inlet for providing a contaminated liquid flow into the interior thereof and an outlet through which filtered liquid can exit the vessel. A screen means contained within the vessel supports a filter media thereon. A pump has a suction and discharge located within the vessel and respective to the screen whereby the filter media can be fluidized and thereby cleaned without removing the media from the vessel. The scrubbing action transfers the contaminants from the filter media into the scrub water and thereby enables the contaminants to be removed from the vessel by discharging the scrub water therefrom.

REFERENCES:
patent: Re25761 (1965-04-01), Hirs
patent: 2733138 (1956-01-01), Clark
patent: 3550774 (1970-12-01), Hirs
patent: 3557955 (1971-01-01), Hirs
patent: 3737039 (1973-06-01), Hirs
patent: 3780861 (1973-12-01), Hirs
patent: 3992291 (1976-11-01), Hirs
patent: 4197205 (1980-04-01), Hirs
patent: 4496464 (1985-01-01), Hensley

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