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.
Patent No.:
Date of Patent:
Nov. 07, 2017
Filed:
Dec. 08, 2015
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
David Ginter, Commerce Township, MI (US);
Ling Deng, Dunlap, IL (US);
Paul Park, Peoria, IL (US);
Scott B. Fiveland, Metamora, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
B01D 53/9418 (2013.01); B01D 53/9431 (2013.01); B01D 53/9459 (2013.01); B01D 53/9495 (2013.01); B01D 2251/21 (2013.01); B01D 2255/904 (2013.01);
Abstract
A NOx control system includes a lean NOx catalyst and an alcohol generator. The lean NOx catalyst includes a substrate and a hydrocarbon selective catalytic reduction (HC-SCR) catalyst disposed on the substrate. The HC-SCR catalyst catalyzes a reduction of NOx with an alcohol. The alcohol generator generates the alcohol.