Filtration structure for fluid flow radially through cylindrical

Details Filtration structure for fluid flow radially through cylindrical Filtration structure for fluid flow radially through cylindrical

1992-03-02

1994-03-22

Wyse, Thomas

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Filter cleaning

210131, 2103232, 210352, 210489, 55482, B01D 2946

Patent

active

052961346

ABSTRACT:
This invention is a filtration structure characterized by radial fluid flow through the wall of a cylindrical configuration that is established by a stack of serrated annular wafers which are constrained for slight axial movement with respect to each other, for the establishment of two conditions. In one condition, the wafers are axially compressed into snug contact under spring bias to establish a labyrinth of radial passages for fluid flow at a selected pressure. In the other condition, the axial compression of the disks is relieved and the disks are slightly separated by back flushing under an elevated pressure in such a way that cleansing is freely effected by reverse fluid flow.

REFERENCES:
patent: 4589983 (1986-05-01), Wydevan
patent: 4686041 (1987-08-01), Van den Berg
patent: 4842739 (1989-06-01), Tang

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