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:
Jul. 17, 2007
Filed:
Aug. 31, 2004
Applicants:
Randall J. Johnson, Seymour, IN (US);
Wilbur H. Crawley, Columbus, IN (US);
Inventors:
Randall J. Johnson, Seymour, IN (US);
Wilbur H. Crawley, Columbus, IN (US);
Assignee:
Arvin Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/02 (2006.01); G01M 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of monitoring engine performance as a function of soot accumulation in a particulate filter includes determining characteristics of soot accumulation in the filter, analyzing the characteristics, and generating an error signal if the characteristics are indicative of predetermined engine performance conditions. An electronic controller configured to monitor soot accumulation in such a manner is also herein disclosed.