Patent ID: 6517598
Filing Date: 2003-02-11
Classification: B01D

Abstract:
A filter element comprising:(a) a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction; the coiled construction defining a plurality of flutes, a first end, an opposite second end, and an outer annular surface; (i) said plurality of flutes comprising inlet flutes and outlet flutes; (A) said inlet flutes being open at portions adjacent to said first end and closed at portions adjacent to said second end; and said outlet flutes being closed at portions adjacent to said first end and open at portions adjacent to said second end; and (b) a mounting flange secured to said first end of said coiled construction; said mounting flange projecting radially from said outer, annular surface of said coiled construction; (i) said mounting flange defining at least one fastener socket to axially mount the filter element into a housing.