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:
Dec. 27, 2016
Filed:
Sep. 23, 2014
Applicant:
Cummins Emission Solutions, Inc., Columbus, IN (US);
Inventors:
Qiang Liu, Columbus, IN (US);
Yi Liu, Columbus, IN (US);
Zheng Liu, Knoxville, TN (US);
Arvind V. Harinath, Columbus, IN (US);
Huiling Li, Columbus, IN (US);
Assignee:
CUMMINS EMISSION SOLUTIONS, INC., Columbus, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); B01J 29/76 (2006.01); B01J 37/02 (2006.01); B01J 37/08 (2006.01); B01J 35/04 (2006.01); G01N 31/10 (2006.01);
U.S. Cl.
CPC ...
F01N 11/00 (2013.01); B01J 29/76 (2013.01); B01J 35/04 (2013.01); B01J 37/0215 (2013.01); B01J 37/08 (2013.01); G01N 31/10 (2013.01); F01N 2510/068 (2013.01); F01N 2550/02 (2013.01);
Abstract
Catalyst diagnostic limit parts and methods for making catalyst diagnostic limit parts are disclosed. An exemplary catalyst diagnostic limit part includes a substrate and a washcoat coating the substrate. The washcoat includes an active catalyst and an inactive catalyst at a predetermined ratio of active catalyst to inactive catalyst so as to control the performance of the catalyst diagnostic limit part.