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:
Jun. 22, 2010
Filed:
Apr. 03, 2007
Zhong Wang, Westland, MI (US);
John F. Van Gilder, Webberville, MI (US);
Gary L. Rogers, Davison, MI (US);
Scott A. Kegebein, Howell, MI (US);
Wenbo Wang, Novi, MI (US);
Zhong Wang, Westland, MI (US);
John F. Van Gilder, Webberville, MI (US);
Gary L. Rogers, Davison, MI (US);
Scott A. Kegebein, Howell, MI (US);
Wenbo Wang, Novi, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A diagnostic system and method for detecting failures in a fuel system of a vehicle includes a fuel level monitoring module that determines a first change in a first fuel level of a first fuel tank based on data received from a first fuel level sensor and determines a second change in a second fuel level of a second fuel tank based on data received from a second fuel level sensor. A sensor diagnosing module evaluates operation of the second fuel level sensor based on the first change in the first fuel level.