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. 11, 2009
Filed:
Mar. 28, 2007
Applicant:
Eric B. Andrews, Columbus, IN (US);
Inventor:
Eric B. Andrews, Columbus, IN (US);
Assignee:
Cummins, Inc., Columbus, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
G01M 15/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
Detection of cylinder misfires in engines. In one aspect of the invention, a method for detecting a cylinder misfire in an engine includes monitoring a temperature in the exhaust of the engine. Vibration of the engine is analyzed to identify a misfiring cylinder in the engine if the monitored temperature indicates a misfire may have occurred.