Patent ID: 6261334
Filing Date: 2001-07-17
Classification: B01D,F02M

Abstract:
A filter element comprising pleated filter media having a plurality of pleats in a closed loop having an outer perimeter defined by a plurality of outer pleat tips, and an inner perimeter defined by a plurality of inner pleat tips, said loop having a hollow interior extending along a given axis, wherein fluid to be filtered flows laterally through said filter media, and flows axially in said hollow interior, said filter element having an axial flow passage extending along said axis and circumscribing said hollow interior and having a flow perimeter greater than said inner perimeter, said filter element having first and second axial ends, said first axial end being open and providing said axial flow passage therethrough, and an end cap around said outer pleat tips at said first axial end and having an outer perimeter greater than said outer perimeter of said outer pleat tips and forming an outer sealing surface external to said axial flow passage.