Patent ID: 7531090
Filing Date: 2009-05-12
Classification: B01D

Abstract:
1. A filter element removably positionable within a filter chamber defined by a filter housing, the filter housing comprising a standpipe extending within the filter chamber, said standpipe provided with a flow control valve for selectively controlling fluid flow through said standpipe, said filter element comprising: a tubular filter media circumscribing a 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 having a substantially cylindrical body extending between opposite first and second ends of said center tube, said center tube having at least one inlet opening formed on said cylindrical body and a standpipe opening at said second end thereof adjacent to said second end cap through which said standpipe may be inserted longitudinally into said center tube; said center tube having at least one actuator key having a portion located radially inwardly from said center tube and provided to actuate said flow control valve of said standpipe, wherein said at least one actuator key is located between said first and second end caps and setoff from said central axis.