Patent ID: 6010548
Filing Date: 2000-01-04
Classification: B01D,Y10S,Y10T

Abstract:
A spaced pocket filter assembly comprising:a holding frame;at least one filter pocket comprising a first sheet of gas permeable filter media and a second sheet of gas permeable filter media, the first and second sheets sealed together along a portion of a periphery to form a pocket configuration, a remaining portion of the periphery open to form a pocket mouth, the filter pocket secured to the holding frame at the pocket mouth with the pocket mouth open;a spacing member formed of a third sheet media folded alternately along a plurality of parallel fold lines to provide a Z or zig zag configuration, the spacing member disposed within the filter pocket with the folds extending from proximate the pocket mouth to proximate a sealed portion of the periphery opposite the pocket mouth and secured to the filter pocket along the fold lines; anda flow path defined by the filter pocket and the spacing member from the open pocket mouth to the sealed portion of the periphery opposite the pocket mouth.