Filter cartridge having a filter within a filter, and an endplate sealing structure on an outer filter element

US8333890B2 · kind B2 · utility

Assignee

• Cummins Filtration IP, Inc. · US

Inventors

• Aaron M. Wells · Cookeville, US
• Terry W. Shults · Cookeville, US
• Ismail C. Bagci · Cookeville, US
• Dean Olson · Rockford, US
• Zemin Jiang · Cookeville, US
• Kevin C. South · Cookeville, US
• Peter K. Herman · Cookeville, US
• Hendrik N. Amirkhanian · Cookeville, US
• Jeffrey B. Sharp · Cookeville, US
• David P. Genter · Columbus, US
• Norman C. Blizard · Columbus, US
• Melvin Douglas McCormick · Cookeville, US
• Jeffrey A. Husband · Cookeville, US
• Wassem Abdalla · Fishers, US
• Michael J. Connor · Stoughton, US
• Barry M. Verdegan · Stoughton, US
• Donna Butler · Cookeville, US
• Chad T. Brummitt · Algood, US

Key dates

• Filing date: Oct 27, 2009
• Grant date: Dec 18, 2012
• Expiry date: Dec 14, 2030

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2201/34
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A filter within a filter cartridge design is described that includes a sealing structure on an endplate of an outer filter element. Generally, the sealing structure includes an annular flange on the endplate that can directly seal against an interior surface of a housing when the filter cartridge is assembled for use. During filtration, the annular flange prevents a working fluid from bypassing the outer filter element. The sealing flange can seal with the housing in a press fit engagement.