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FILTER POCKET ARRANGEMENT WITH INCREASED FILTER MEDIA AREA

  • US 20120047855A1
  • Filed: 08/31/2010
  • Published: 03/01/2012
  • Est. Priority Date: 08/31/2010
  • Status: Active Grant
First Claim
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1. A filter assembly, comprising:

  • a filter frame;

    a plurality of filter pockets disposed in the filter frame, each of the plurality of filter pockets comprising a pocket mouth that attaches to the filter frame and a pocket body extending longitudinally away from the pocket mouth to a closed end, wherein the closed end is folded back onto itself to form a tuck fold that defines a first sub-filter pocket and a second sub-filter pocket at the pocket mouth, the first sub-filter pocket and the second sub-filter pocket each having a sub-pocket mouth located about the pocket mouth with sidewalls extending longitudinally therefrom to form an apex at the closed end of the filter pocket, the first sub-filter pocket separated from the second sub-filter pocket by the tuck fold; and

    a plurality of supporting members that support the plurality of filter pockets within the filter frame, wherein each of the plurality of supporting members is located about a tuck fold to support at least one of the plurality of filter pockets.

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