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:
Feb. 18, 2025

Filed:

Jun. 28, 2022
Applicant:

Cummins Emission Solutions Inc., Columbus, IN (US);

Inventors:

Gaurav Hemant Pandit, Columbus, IN (US);

Allick Mounir Olive, Columbus, IN (US);

Sagar Maruti Jarali, Belagavi, IN;

Narenthiran Thangamuthu, Nasiyanur, IN;

Ramesh Ramavath, Turkayamjal, IN;

Alex Harrington, Columbus, IN (US);

Samuel Johnson, Columbus, IN (US);

Sriram Narayanasamy, Greenwood, IN (US);

Enoch Nanduru, Pune, IN;

George Eugene Mavroudis, Oregon, WI (US);

Assignee:

Cummins Emission Solutions Inc., Columbus, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B01D 53/94 (2006.01); B01F 23/213 (2022.01); B01F 25/313 (2022.01); B01F 25/431 (2022.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); B01D 53/9418 (2013.01); B01D 53/9431 (2013.01); B01F 23/2132 (2022.01); B01F 25/3131 (2022.01); B01F 25/431 (2022.01); F01N 3/2892 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1453 (2013.01);
Abstract

A decomposition chamber for an exhaust aftertreatment system includes an inlet conduit centered on an inlet conduit axis and configured to receive exhaust, a decomposition conduit coupled to the inlet conduit, an endcap coupled to the decomposition conduit, and an injector coupled to the endcap and configured to provide reductant into the decomposition conduit along an injection axis. The decomposition chamber includes a guide swirl mixer coupled to at least one of the inlet conduit or the endcap. The guide swirl mixer includes a first portion disposed within the inlet conduit, and a second portion disposed within the decomposition conduit such that the inlet conduit axis extends through the second portion. The second portion extends at least partially around the injection axis.


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