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Filter structure for removing contaminants from stream of fluid

  • US 9,415,340 B2
  • Filed: 09/15/2014
  • Issued: 08/16/2016
  • Est. Priority Date: 10/01/2010
  • Status: Active Grant
First Claim
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1. A filter structure for removing contaminants from a stream of fluid, comprising:

  • a generally rectangular front filter portion and a generally trapezoidal rear filter portion;

    said front filter portion including front frame structure supporting a first front filter and a second front filter in substantially parallel spaced relation to one another;

    said front frame structure, said first front filter, and said second front filter substantially surrounding a front clean air passageway;

    said rear filter portion including rear frame structure supporting a first rear filter and a second rear filter in substantially divergent spaced relation with one another;

    a less spaced end of said first rear filter and said second rear filter being proximal said front filter portion and a more spaced end of said first rear filter and said second rear filter being distal said front filter portion;

    said rear frame structure, said first rear filter, and said second rear filter substantially surrounding a rear clean air passageway;

    wherein said rear clean air passageway is in communication with said front clean air passageway and in communication with a filter structure outlet between said first rear filter and said second rear filter proximal said more spaced end of said first rear filter and said second rear filter.

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