Helical wrapped filter element

Details Helical wrapped filter element Helical wrapped filter element

1992-06-10

1994-03-01

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

2104971, 2104972, 55486, 55487, B01D 2706

Patent

active

052904466

ABSTRACT:
An element for treating a fluid flowing through the element which comprises at least two filter medium layers helically wrapped around a pervious, hollow tube, with the filter medium layers forming an overall graded pore structure for the fluid treatment element and/or at least one diffusion layer positioned between the filter medium layers.

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