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Filter assembly with pleated media V-packs, and methods

  • US 20050144916A1
  • Filed: 10/14/2004
  • Published: 07/07/2005
  • Est. Priority Date: 10/14/2003
  • Status: Active Grant
First Claim
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8. A cylindrical air filter element comprising:

  • (a) an extension of filter media configured and arranged in a plurality of media portions, each media portion having;

    (i) an external edge, an outermost edge, an internal edge and an innermost edge;

    (ii) the external edges of adjacent portions joined together at an angle of about 4 to 26 degrees;

    (iii) the internal edges of adjacent portions joined together at an angle of about 4 to 26 degrees;

    (iv) the outermost edge being longer than the innermost edge;

    (v) the internal edges and innermost edges of the plurality of media portions defining an inner perimeter;

    (vi) the external edges and outermost edges of the plurality of media portions defining an outer perimeter;

    (vii) a plurality of pleats defined by the filter media extending generally parallel to the outermost edge;

    (b) the plurality of media portions configured to form a cylindrical arrangement.

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