Patent ID: 8277531
Filing Date: 2012-10-02
Classification: B01D,B29C,F02M,Y10S

Abstract:
1. A filter element, comprising: a fluted filter media pack comprising a fluted sheet and a face sheet that are secured together and wound up, the fluted filter media pack having a plurality of flutes including a first set of flutes that are closed proximate a first flow face and a second set of flutes that are closed proximate a second flow face, a seal support disposed over the second flow face, the seal support including an annular extension having a distal end, and inner and outer surfaces defined on opposing sides of the distal end, an annular seal member molded around the annular extension to include portions along the inner surface and the outer surface, the portion of the annular seal member that is over the outer surface providing an annular sealing surface; and an annular rib integral with the seal support and projecting from the inner surface in a different direction than a direction of the annular extension, the annular rib disposed axially between the distal end and the second flow face; and a flow face screen connected to the seal support and extending over the second flow face, wherein said annular rib comprises an annular surface above the flow face screen when the filter element is oriented in a position with the second flow face above the first flow face.