Liquid purification or separation – Plural distinct separators – Filters
Patent
1995-06-30
1997-06-03
Wyse, Thomas G.
Liquid purification or separation
Plural distinct separators
Filters
2105322, B01D 2958, C02F 328
Patent
active
056350643
ABSTRACT:
A waste water filter comprises a filter for use within a septic tank. The waste water filter includes a shield including at least one inlet location for allowing the entry of unfiltered waste water into the shield. The shield further includes at least a first and second interior location. The waste water filter further comprises a filter element disposed within the shield, the filter element including at least first and second filter surfaces including filtering means that allow the passage of water while restricting the passage of solids. The first interior location of the shield is in direct fluid communication with the first filter surface of the filter element and the second interior location is in direct fluid communication with the second filter surface of the filter element. Unfiltered waste water entering the first interior location can only access the second filter surface after having passed through the first filter surface, and unfiltered waste water entering the second interior location can only access the first filter surface after having first passed through the second filter surface. The waste water filter further includes an outlet in fluid communication with the filter element for discharging filtered waste water.
REFERENCES:
patent: 2900084 (1959-08-01), Zabel
patent: 3332552 (1967-07-01), Zabel
patent: 4319998 (1982-03-01), Anderson
patent: 4439323 (1984-03-01), Ball
patent: 4710295 (1987-12-01), Zabel
patent: 5198113 (1993-03-01), Daniels
Johnson Jerry
Wyse Thomas G.
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