Patent ID: 6328883
Filing Date: 2001-12-11
Classification: B01D,F02M,Y10T

Abstract:
A filter element, comprising:a ring-shaped filter media circumscribing a central axis and having first and second ends,a housing receiving said filter media ring, said housing including a closed end and an open end, the first end of the filter media ring being located toward the open end of the housing, and the second end of the filter media ring being located toward the closed end of the housing,an end cap attached to the first end of the filter media ring, the end cap including an annular body portion bonded to the filter media ring, and an annular flange unitary with the annular body portion and extending axially outward away from the end cap, and located toward the periphery of the end cap, said annular flange including a threaded portion to enable the filter element to be removeably connected to a corresponding threaded portion of a filter head, and generally radially-extending openings in the annular flange between the threaded portion and the annular body portion to enable fluid flow through the annular flange, and a central portion spanning the annular body portion and having flow openings to enable flow through the central portion, said central portion supporting a central projection, said central projection having a base end supported interiorly of the media ring and located away from said end cap and extending axially from said base end to a distal end located toward the end cap.