Fluid cleaning filter and filter device

Details Fluid cleaning filter and filter device Fluid cleaning filter and filter device

2007-07-24

2007-07-24

Drodge, Joseph (Department: 1723)

Liquid purification or separation

Plural distinct separators

Filters

C055S486000, C055S488000, C055S521000, C210S493100, C210S493500, C210S497010, C210S502100, C422S177000

Reexamination Certificate

active

10889251

ABSTRACT:
A fluid cleaning filter of the present invention consists of a composite matrix composed of a pleated substrate2configured into a pleated shape and an active carbon-containing layer3, wherein the pleated substrate2is made of polyurethane foam2ahaving a three-dimensional network skeletal structure, and the composite matrix is configured into a cylindrical shape. A filtering medium layer2bmade of fibers is formed on the surface of the polyurethane foam2afacing the active carbon-containing layer3. The fibers of the filtering medium layer maybe electrostatically charged. The fluid cleaning filter exhibits good efficiency of dust collecting and deodorization even when a fluid flows through the filter at high rate.

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