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:
Aug. 04, 2020

Filed:

Mar. 20, 2019
Applicant:

Caterpillar Inc., Deerfield, IL (US);

Inventors:

Kurtis Chenoweth, Ipava, IL (US);

Jianping Pan, Dunlap, IL (US);

Mohamed Daoud, Dunlap, IL (US);

Y. T. Bui, Peoria, IL (US);

Jason Hudgens, Washington, IL (US);

Ian Aguirre, Peoria, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/28 (2006.01); F01N 3/20 (2006.01); B01D 53/94 (2006.01); F01N 11/00 (2006.01); F01N 1/14 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2892 (2013.01); B01D 53/9431 (2013.01); F01N 1/14 (2013.01); F01N 3/2066 (2013.01); F01N 11/002 (2013.01); F01N 11/007 (2013.01); F01N 2590/08 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1453 (2013.01);
Abstract

An exhaust gas aftertreatment system is disclosed. The system may include an inlet to receive an exhaust gas produced by an engine and a first section to receive the exhaust gas from the inlet. The system may include a mixing tube to receive the exhaust gas from the first section and a reductant injector to inject a reductant into the mixing tube. The system may include a second section to receive the exhaust gas from the mixing tube and to facilitate mixing of the reductant and the exhaust gas after the exhaust gas exits the mixing tube and a diffuser to receive the exhaust gas from the second section. The system may include a plurality of catalysts to receive the exhaust gas from the diffuser and at least one outlet to receive the exhaust gas from the plurality of catalysts.


Find Patent Forward Citations

Loading…