Patent ID: 6592758
Filing Date: 2003-07-15
Classification: B01D

Abstract:
A filter element assembly, said assembly including:a first tube, said first tube having an outer diameter, an inner diameter and an open end; a filter unit, said filter unit including: a flange, said flange having a body with an outer surface wherein said body is dimensioned to be fitted in said open end of said first tube and a lip that extends radially away from the outer surface of said flange body, said lip having an outer diameter that is greater than the outer diameter of said first tube so that when said flange body is disposed in said first tube, said lip seats around the open end of said first tube; at least one filter member attached to said flange, said filter member having an open end adjacent said flange body; and a filter unit seal that extends between said flange body and an inner wall of said first tube for establishing a barrier between said first tube and said flange; a second tube, said second tube having an open end, said second tube being positioned so that the open end of said second tube is seated over said flange lip; and a clamp assembly, said clamp assembly including: a coupling unit, said coupling unit having a first and second spaced apart annular, inwardly extending ribs, said coupling unit being fitted around said first and second tubes so that the first said rib bears against said first tube and the second said rib bears against said second tube; and an annular seal located between said ribs of said coupling unit, said seal extending around said first tube, said flange lip and said second tube, said seal being shaped to have an annular void space wherein said flange lip is seated in the void space.