Filtering apparatus

Details Filtering apparatus Filtering apparatus

1979-08-02

1981-09-29

Spear, Jr., Frank A.

Liquid purification or separation

Filter

With movable means to compress medium

210488, B01D 2938, B01D 2534

Patent

active

042921783

ABSTRACT:
A filtering apparatus includes a plurality of disc-type filtering elements stacked in parallel with each other. Each disc-type filtering element has one or more annular projections thereon facing an adjacent disc defining a filtering slit. One or more fluid passages define a filtering path therethrough. Fine particles are filtered from a fluid by the slits between the adjacent filtering elements. Adjustment of the slit widths permits trapped particles to be removed by back-washing. A power cylinder permits automatic filtering and back-washing.

REFERENCES:
patent: 1643299 (1927-09-01), Furness
patent: 2521060 (1950-09-01), Hallinan
patent: 2583423 (1952-01-01), Hallinan
patent: 3157131 (1964-11-01), Brydon
patent: 3221888 (1965-12-01), Muller

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