Filtration device for a waste water treatment system

Details Filtration device for a waste water treatment system Filtration device for a waste water treatment system

2005-01-11

2005-01-11

Upton, Christopher (Department: 1724)

Liquid purification or separation

Serially connected distinct treating with or without storage...

One unit inside another

C210S299000, C210S488000, C210S532200

Reexamination Certificate

active

06841066

ABSTRACT:
A filter and housing (10) for waste water treatment includes a housing (10) having a plurality of coaxially mounted vertically extending sections adaptable to receive a filter cartridge therein. An upper section (12) is provided with an outlet consisting of at least two coaxially aligned rings (22) of preselected diameters wherein the thickness of the rings and the spacing between the rings is sufficient to receive waste water treatment outlets of different diameters. The filter cartridge is comprised of a stacked arrangement of a plurality of disc-dam units (32) wherein each disc-dam unit (32) is provided with a serpentine configured first dam (46), the first dam extending upwardly from an upper surface of the disc-dam unit, the first dam having terminating ends spaced at outer terminating edges (34a, 34b) of the disc dam unit to define a cord segment therebetween. The terminating ends are connected by a second dam (46) having a height less than the first dam. The serpentine configured first dam divides the disc-dam unit into an upstream side along the outer periphery and a downstream side along the inner periphery. Slots are positioned within the serpentine configured dam on the upstream side thereby providing flow communication with underlying disc-dam units. The top of the first dam is of a preselected height so as to provide a preselected spacing between the top of the first dam and the under surface of an overlying disc-dam unit.

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