Patent ID: 6846412
Filing Date: 2005-01-25
Classification: B01D,B07B,Y10S

Abstract:
1. A combination filter assembly having a number of filter sieves, said filter sieves being positioned in parallel one after the other in the direction of flow, wherein the filter sieves are stretched and mounted in housing elements to form filter elements, wherein the housing elements, by means of top and bottom bearing faces, are in contact with each other and are maintained in a stacked arrangement, wherein the filter elements each comprise a cylindrical shape with annular bearing faces, wherein each filter element on either its top or bottom bearing face comprises a centering male coupling and sealing formation, and on the other of its top or bottom bearing face comprises a corresponding centering female coupling and sealing formation, wherein the male coupling and sealing formation comprises an annular protrusion and the female coupling and sealing formation comprises a corresponding annular groove, and wherein the filter elements are positioned as a coaxial stack and are substantially enclosed within a housing.