Patent ID: 7326342
Filing Date: 2008-02-05
Classification: B01D

Abstract:
1. A fuel filter, comprising: a tube of filtering media surrounding a longitudinal axis; a first end cap defining a first annular trough receiving a first end of the tube of filtering media, the first end cap being connected and sealed to the tube of filtering media, the first end cap defining a first central opening surrounding the longitudinal axis; a second end cap including an outer annular skirt portion, an inner annular skirt portion, and disc portion therebetween, the second end cap defining a second annular trough along the disc portion therebetween the skirt portions, the second annular trough receiving a second end of the tube of filtering media, the second end cap being connected and sealed to the tube of filtering media, the second end cap defining a second central opening surrounding the longitudinal axis; a plurality of keys located on the disc portion and projecting axially from the disc portion in a direction away from the filtering media, the keys being arranged in an annular array surrounding the axis; and wherein the second end cap further includes a cylindrical recess having a bottom wall, the bottom wall projecting radially inward from the inner skirt portion and defining a third central opening surrounding the axis of a smaller diameter than the second central opening.