Patent ID: 7335300
Filing Date: 2008-02-26
Classification: B01D,Y10S,Y10T

Abstract:
1. A fluid filter assembly comprising: a filter housing having a central axis and defining a filter chamber; a standpipe extending upwardly substantially coaxially to the central axis of said filter housing into said filter chamber; said standpipe including an internal flow passage; and a filter element removably positionable within said filter chamber of said filter housing, said filter element comprising: a tubular filter media circumscribing the central axis; a first end cap supporting said filter media at one end thereof; a second end cap longitudinally spaced from said first end cap and supporting said filter media at the opposite end thereof; and a center tube extending between said second end cap and said first end cap, said center tube disposed about said standpipe substantially coaxially with the central axis so as to define an exit compartment between said center tube and said standpipe; said center tube having at least one inlet opening therethrough at a first end thereof adjacent to said first end cap for providing fluid communication between said filter chamber and said exit compartment; said center tube further having a standpipe opening therethrough at a second end thereof adjacent to said second end cap and through which said standpipe being inserted longitudinally into said center tube; said second end cap having at least one intake opening therethrough radially spaced from said standpipe opening in said center tube for providing fluid communication between said filter chamber and a volume inside said filter element between said filter media and said center tube.