Fluid filter system

US8272516B2 · kind B2 · utility

Assignees

• Caterpillar Inc. · US
• Advanced Filtration Systems, Inc. · US
• Donaldson Company, Inc. · US

Inventors

• Christopher J. Salvador · Peoria, US
• Randall W. Heibenthal · Mahomet, US
• Dennis M. Deedrich · Champaign, US
• David B. Harder · Burnsville, US
• John R. Hacker · Edina, US
• Richard J. Eisenmenger · Champaign, US

Key dates

• Filing date: Nov 19, 2007
• Grant date: Sep 25, 2012
• Expiry date: Dec 2, 2028

Classification

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

Abstract

An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.