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:
Nov. 26, 2013
Filed:
Mar. 26, 2010
Hajime Suetsugu, Higashihiroshima, JP;
Kenji Kojima, Hiroshima, JP;
Tetsushi Hosokai, Kure, JP;
John D. Russell, Portland, OR (US);
Hajime Suetsugu, Higashihiroshima, JP;
Kenji Kojima, Hiroshima, JP;
Tetsushi Hosokai, Kure, JP;
John D. Russell, Portland, OR (US);
Mazda Motor Corporation, Hiroshima, JP;
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
Methods and systems for diagnosing a multiple cylinder engine are provided herein. An exemplary method of diagnosing an internal combustion engine system having a multi-cylinder internal combustion engine is described. In one example, cylinder air-fuel imbalance is determined from the squared value of a difference of two values.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile