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Aerosol Separator; and Method

  • US 20080245037A1
  • Filed: 01/31/2006
  • Published: 10/09/2008
  • Est. Priority Date: 02/04/2005
  • Status: Active Grant
First Claim
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1. A crankcase ventilation filter including:

  • (a) a first, wet laid, media stage comprising;

    (i) at least 30% by weight, based on total weight of fiber material in the stage, bi-component fiber material having an average largest fiber cross-sectional dimension of at least 10 microns and average length of 1-20 mm, inclusive; and

    (ii) at least 30% by weight, based on total weight of fiber material in the stage, secondary fiber material having an average largest fiber cross-sectional dimension of at least 1 micron and average length of 1 to 20 mm, inclusive; and

    (b) the first, wet laid, media stage having;

    (i) calculated pore size, X-Y direction, of 12 to 50 microns, inclusive; and

    (ii) an added binder resin content, if any, of no greater than 7% by total weight of fiber material.

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