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FILTER FRAME HOUSING AND FILTER FOR ANIMAL CONFINEMENT BUILDING

  • US 20120318144A1
  • Filed: 05/24/2012
  • Published: 12/20/2012
  • Est. Priority Date: 05/27/2011
  • Status: Active Grant
First Claim
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1. A filter assembly, comprising:

  • a filter housing assembly comprising a rectangular inlet frame having a rectangular inlet opening, wherein the rectangular inlet frame defines a rectangular recess having a seating surface in surrounding relation of the rectangular opening;

    a primary filter comprising at least one of a V-bank filter and a rectangular filter that includes filter media that is at least 3 inches deep, the primary filter having an outer peripheral flange seated against the seating surface, the primary filter extending through the rectangular inlet opening into the filter housing assembly;

    a prefilter upstream of the primary filter and seated against an upstream face of the outer peripheral flange;

    a rectangular wall of the inlet frame surrounding the rectangular inlet opening;

    a plurality of posts arranged around the rectangular wall;

    a first set of retainer clips mounted on the rectangular wall in a first plane releasably securing the primary filter along the seating surface; and

    a second set of retainer clips mounted on the posts releasably securing the prefilter over the primary filter.

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