Patent ID: 8920530

Claim:
A filter element comprising: a zigzag-shaped folded filter medium arranged in concentric shape and having an open interior; a first end disk arranged on an end face of said concentric shape filter medium, said first end disk open or closed to said open interior; a second end disk arranged on an opposite end face of said concentric shape filter medium; wherein said second end disk has concentric opening extending though said second end disk, wherein said second end disk extends substantially in an annular ring-shape about the folds of said filter medium, wherein said second the end disk includes a plurality of axially outwardly extending annular beads, said annular beads arranged concentrically on said second end disk; at least one sealing groove provided on said second end disk, said at least one sealing groove concentric with and positioned between adjacent ones of said plurality of axially outwardly extending annular beads; and an axial bead end face arranged on each of said plurality of axially outwardly extending annular beads at an axial outwardly most axial portion of said annular beads; wherein said axial bead end faces lie in the same plane, said axial bead end faces abut against and are supported on radially outwardly extending ribs of a housing receiving the filter element or on a planar surface with passages; wherein the first end disk includes axially projecting support noses, the support noses arranged on the first end disk and project axially outwardly away from the first end disk and the filter medium, the support noses operable to engage axially against and push against an interior of the housing to provide axial support to the filter element.