Filter arrangement; sealing system; and methods

  • US 6,783,565 B2
  • Filed: 04/25/2003
  • Issued: 08/31/2004
  • Est. Priority Date: 02/26/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A filter element arrangement comprising:

  • (a) a media pack having first and second opposite flow faces and a plurality of flutes;

    (i) each of said flutes having a first end portion adjacent to said first flow face and a second end portion adjacent to said second flow face;

    (ii) selected ones of said flutes being open at said first end portion and closed at said second end portion; and

    selected ones of said flutes being closed at said first end portion and open at said second end portion;

    (iii) said media pack having a longitudinal axis passing through the first flow face and the second flow face;

    (b) a sealing system including a frame construction and a seal member;

    (i) said frame construction including an extension projecting axially from one of said first and second flow faces and in a same direction as the longitudinal axis;

    (ii) said seal member being supported by said extension of said frame arrangement; and

    (iii) said frame construction having a portion extending across one of said first flow face and second flow face.

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