Patent ID: 6349836
Filing Date: 2002-02-26
Classification: B01D,Y10S

Abstract:
A filter assembly for use in a fluid circulation system, said filter assembly comprising:a cylindrical housing defining a housing edge; a filtering element disposed in said housing for filtering a fluid; a circular unitary tapping plate having a fluid inlet port, a fluid outlet port, and mounting means for removably mounting the filter assembly to the fluid circulation system disposed therein, said unitary tapping plate further having a generally U-shaped portion defining an inboard seal retaining groove having a flat bottom and a wing portion extending radially outwardly from said generally U-shaped portion, said wing portion increasing an outer diameter of said housing for increased filtration area of said filtering element, said housing edge surrounding and being folded inwardly over said wing portion of said tapping plate such that a free end of said housing edge is terminated in said seal retaining groove; and an external seal having a generally rectangular cross-section retained in said seal retaining groove, the cross section of said seal having a flat bottom and two sides perpendicular to the flat bottom of said seal, such that the flat bottom of said seal seats against the flat bottom of said seal retaining groove.