Filter with axially and rotatably movable wiper

Details Filter with axially and rotatably movable wiper Filter with axially and rotatably movable wiper

1994-12-15

1996-10-29

Lithgow, Thomas M.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210413, 210415, 209273, 209306, B01D 2964

Patent

active

055693830

ABSTRACT:
A self-cleaning pressure filter system comprises a housing having an unfiltered liquid inlet and a filtered liquid outlet, a filter element of substantially constant cross section having an interior communicating with the unfiltered liquid inlet and an exterior communicating with the filtered liquid outlet for filtering solids from the liquid and wherein filtered out solids are left in the interior of the filtered element. A cleaning unit is simultaneously moved both axially and rotatively along the interior of the filter element and carries at least one cleaning blade movable in a spiral path along the interior face of the filter element for removing solids accumulated thereon.

REFERENCES:
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patent: 2835390 (1958-05-01), King
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patent: 4271019 (1981-06-01), Galletti
patent: 4519906 (1985-05-01), Hikosaka et al.
patent: 4663030 (1987-05-01), Chupka et al.
patent: 5087365 (1992-02-01), Davis et al.
patent: 5198111 (1993-03-01), Davis
patent: 5228993 (1993-07-01), Dori

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