John Michael Hacker

US Patent:

20130206678, Aug 15, 2013

Filed:

Mar 27, 2013

Appl. No.:

13/851805

Inventors:

Donaldson Company, Inc. - , US
Dennis M. Deedrich - Champaign IL, US
David B. Harder - Burnsville MN, US
John R. Hacker - Minneapolis MN, US
Richard J. Eisenmenger - Philo IL, US

Assignee:

Caterpillar, Inc. - Peoria IL
Donaldson Company, Inc. - Bloomington MN
Advanced Filtration Systems, Inc. - Champaign IL

International Classification:

B01D 27/08

US Classification:

210435

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.

US Patent:

20130313183, Nov 28, 2013

Filed:

Jul 29, 2013

Appl. No.:

13/953069

Inventors:

Randall W. Heibenthal - Mahomet IL, US
Dennis M. Deedrich - Champaign IL, US
David B. Harder - Burnsville MN, US
John R. Hacker - Minneapolis MN, US
Richard J. Eisenmenger - Philo IL, US

Assignee:

CATERPILLAR INC. - Peoria IL
DONALDSON COMPANY, INC. - Bloomington MN
ADVANCED FILTRATION SYSTEMS, INC. - Champaign IL

International Classification:

B01D 35/30

US Classification:

210435

Abstract:

A filter element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.