The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 17, 2012

Filed:

Oct. 29, 2007
Applicants:

Thomas V. Staley, Peoria, IL (US);

Loran J. Hoffman, Washington, IL (US);

Ryan M. Duffek, Dunlap, IL (US);

Richard A. Crandell, Peoria, IL (US);

Inventors:

Thomas V. Staley, Peoria, IL (US);

Loran J. Hoffman, Washington, IL (US);

Ryan M. Duffek, Dunlap, IL (US);

Richard A. Crandell, Peoria, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01); B01D 53/34 (2006.01); F02M 35/024 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system for treating exhaust gas from an engine is disclosed. The system may include a housing with a first longitudinal axis, an inlet port, and an outlet port. The housing may define a first flow path. A fluid treatment element may be arranged in the flow path. The system may also include a conduit defining a second longitudinal axis and forming a second flow path. The conduit may have first and second tubular portions generally aligned with the second longitudinal axis. The first tubular portion may have a first cross-section, and the second tubular portion may have a second cross-section. An inner diameter of the second cross-section may be less than an inner diameter of the first cross-section. The centerpoint of the first inner diameter may be offset from the centerpoint of the second inner diameter in a direction generally parallel to the first longitudinal axis.


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