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:
Aug. 25, 2015
Filed:
Jun. 04, 2013
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Michael Hopka, Millford, MI (US);
Michiel J. Van Nieuwstadt, Ann Arbor, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F02D 41/14 (2006.01); F02D 41/22 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 11/00 (2013.01); F02D 41/1466 (2013.01); F02D 41/222 (2013.01); F01N 3/2066 (2013.01); F01N 2560/05 (2013.01); F01N 2590/11 (2013.01); F01N 2610/02 (2013.01); Y02T 10/40 (2013.01);
Abstract
A method for diagnosing a particulate matter sensor is described. In one example, a liquid is purposefully injected into the exhaust system to verify operation of the particulate matter sensor. Reliability of particulate matter diagnostics may be improved by way of the approach, at least during some conditions.