Filter cage with removable filters

Details Filter cage with removable filters Filter cage with removable filters

1984-03-28

1986-09-09

Therkorn, Ernest G.

Liquid purification or separation

With repair or assembling means

Sliding or rolling on guide means

210232, 2103232, 2103331, 210412, B01D 2502, B01D 2508

Patent

active

046107860

ABSTRACT:
A filter has a plurality of cylindrical filter elements (5) supported exteriorly over holes (4) in a hollow filter cage (3). A backwash pipe (11) is disposed axially of the filter cage (3) and has ducts (12) which are arranged, on rotation of the backwash pipe, to register with the holes (4) in the filter cage (3) to allow backwashing of the filter elements. The filter cage (3) has retaining portions (7) in the form of a T-slot or spaced abutments. The filter elements (5) each have a circumferential flange (8) provided with at least one flat (9) so that, in a first angular orientation of a filter element (5) the filter element is held firmly by engagement of the flange (8) under the retaining portions (7) and, in a second angular orientation, it is free for removal.

REFERENCES:
patent: 2562699 (1951-07-01), Cooperson
patent: 2709525 (1955-05-01), Beyer
patent: 2718310 (1955-09-01), Trahan
patent: 2742157 (1956-04-01), Brunton
patent: 3225933 (1965-12-01), Berline
patent: 3477577 (1969-11-01), Florkowski
patent: 4446099 (1984-05-01), Schwind

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