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:
Jan. 06, 2015
Filed:
Apr. 07, 2011
Applicants:
Sai S. V. Rajagopalan, Sterling Heights, MI (US);
Yue-yun Wang, Troy, MI (US);
Scott T Feldmann, South Lyon, MI (US);
Inventors:
Sai S. V. Rajagopalan, Sterling Heights, MI (US);
Yue-Yun Wang, Troy, MI (US);
Scott T Feldmann, South Lyon, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 45/00 (2006.01); F01N 3/08 (2006.01); F02D 41/22 (2006.01); F02D 41/12 (2006.01); F02D 41/14 (2006.01); F01N 11/00 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F02D 41/222 (2013.01); F02D 41/123 (2013.01); F02D 41/1463 (2013.01); F01N 3/0814 (2013.01); F01N 3/2066 (2013.01); F01N 2560/026 (2013.01); F01N 2560/06 (2013.01); F02D 2041/228 (2013.01); F02D 2200/0614 (2013.01);
Abstract
A method that includes in-vehicle systems and practices for determining whether a NOx sensor in an exhaust stream is performing properly.