Septic tank filter

Details Septic tank filter Septic tank filter

1995-05-08

1997-01-14

Walker, W. L.

Liquid purification or separation

Plural distinct separators

Filters

210486, 210487, 2105322, B01D 2939

Patent

active

055935842

ABSTRACT:
A filter unit for a septic tank including a cylindrical filter housing having two chambers therein, a first chamber having a plurality of stacked disc-dam filter units and a second chamber. Each disc-dam filtering unit is provided with an upstream side and a downstream side and the cylindrical housing has an opening in the bottom thereof in flow communication with the upstream side of the disc-dam filtering units. A vertically extending partition is provided to separate the first chamber from the second chamber and the partition includes flow-through openings therethrough of preselected size for controlling the rate of flow from the downstream side of the disc-dam units into the second chamber.

REFERENCES:
patent: 2822926 (1958-02-01), Walton et al.
patent: 2900084 (1959-08-01), Zabel
patent: 3034656 (1962-05-01), Kasten
patent: 3332552 (1967-07-01), Zabel
patent: 4439323 (1984-03-01), Ball
patent: 4710295 (1987-12-01), Zabel
patent: 4832846 (1989-05-01), Gavin
patent: 5264120 (1993-11-01), Graves
patent: 5382357 (1995-01-01), Nurse

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