Daniel J O'Connell

US Patent:

20020060182, May 23, 2002

Filed:

Sep 17, 2001

Appl. No.:

09/954233

Inventors:

Daniel O'Connell - Meriden CT, US

International Classification:

B01D029/46

US Classification:

210/443000, 210/492000, 210/497010, 210/498000

Abstract:

An edge-type filter cartridge is disclosed which includes a housing and a plurality of filter disc assemblies coaxially stacked within an interior cavity of the housing for conditioning fluid passing therethrough. The filter disc assemblies include an upper filter disc, a lower filter disc, an outer spacer disc and inner spacer disc, the filter discs having a body portion and defining at least one filtration aperture for filtering fluid passing therethrough. The outer spacer discs are disposed between the upper and lower filter discs and defines a gap therebetween. It is further disclosed that the filtration apertures can be formed by a laser cutting technique.