Importance

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Abstract

A filter cartridge according to aspects of the present invention positions the outside diameter of the filter element adjacent the inside of the filter cartridge housing. The larger outside diameter of the filter element expands the surface area of filter medium presented to fuel entering the filter cartridge. Positioning the outside diameter of the filter element near the inside surface of the cartridge housing promotes an axial fuel flow pattern across the outside surface of the filter media. This flow pattern is believed to sweep water from the surface of the filter media toward the sump of the cartridge. The flow pattern causes water droplets that coalesce on the outside of the filter media to combine into larger droplets, which then fall into the sump of the cartridge.

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First Claim