Additive dispensing filter apparatus

Details Additive dispensing filter apparatus Additive dispensing filter apparatus

2008-01-29

2008-01-29

Smith, Duane (Department: 1724)

Liquid purification or separation

With means to add treating material

With distinct reactor tank, trough or compartment

C210S767000, C210SDIG017

Reexamination Certificate

active

07323102

ABSTRACT:
An apparatus for filtering a liquid, with a housing, a liquid inlet arranged in the housing, a liquid outlet arranged in the housing, a filter for removing particles from a liquid stream arranged between the liquid inlet and the liquid outlet, and at least one additive for functionally altering the liquid properties arranged in the apparatus, in which the additive is arranged in the interior volume of the apparatus and is shaped in a colloidally disperse, dimensionally stable, elastic form corresponding to at least one geometric space defined by an interior structure of the apparatus or of the filter for removing the particles.

REFERENCES:
patent: 4014794 (1977-03-01), Lewis
patent: 4066559 (1978-01-01), Rohde
patent: 4265748 (1981-05-01), Villani et al.
patent: 5209842 (1993-05-01), Moor
patent: 5718258 (1998-02-01), Lefebvre et al.
patent: 7182863 (2007-02-01), Eilers et al.

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