Patent ID: 8152876
Filing Date: 2012-04-10
Classification: B01D,F02M

Abstract:
1. A filter element, comprising: a zigzag-folded filter medium ( 10 ) arranged in a tubular concentric shape; a first end plate ( 11 ) arranged at an axial end face of said concentric filter medium, said first end plate having a central portion that is either open or closed; and a second end plate ( 12 ) arranged at an opposing axial end face of said filter medium; an annular collar ( 14 ) extending axially outwardly from said second end plate ( 12 ); a seal arranged on and at least partially surrounding said annular collar, said seal having an axially extending area; and at least one seal lip ( 17 ) arranged on said axially extending area of said seal, said seal lips concentrically arranged and extending radially outwards from said seal, said seal lips configured to be received into a groove ( 18 ) in wall ( 19 ) of a housing receiving said filter element; wherein said seal further includes at least one radially and circumferentially extending dust protection lip ( 21 ), said dust protection lip arranged axially inwardly from said at least one sealing lip ( 17 ), said sealing lip operative to isolate said at least one sealing lip ( 17 ) from a dust load area ( 20 ) of said housing receiving said filter element.