Patent ID: 7135113
Filing Date: 2006-11-14
Classification: B01D,Y10T

Abstract:
1. A filter cartridge comprising: a body portion for enclosing filter media for filtering a fluid; and a neck portion including an inlet port for directing unfiltered fluid into the body portion and an outlet port for directing filtered fluid out of the body portion, the body portion and the neck portion being operably connected such that one is not separable from the other, the neck portion having at least two lugs depending radially outwardly therefrom, each lug having engagement surfaces which face away from the body portion, wherein each lug has an inclined cam surface axially spaced from the body portion and facing toward the body portion in a generally axial direction for cooperating with camming ramps on a compatible reception assembly, at least one of the engagement surfaces defining a keyed surface formation comprising: at least one tooth extending axially from remaining portions of the engagement surfaces relative to the neck, the at least one tooth enabling the cartridge to mate with a compatible reception assembly and preventing the cartridge from mating with an incompatible reception assembly.