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:
Dec. 23, 2008
Filed:
Aug. 01, 2007
Applicants:
Ko-jen Wu, Troy, MI (US);
James C. Elmslie, Oxford, MI (US);
Jian Jun Zhang, Rochester, MI (US);
Inventors:
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 13/00 (2006.01); F02B 13/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a flexible fuel internal combustion engine utilizing impulse charging technology. The internal combustion engine includes a fuel sensor which determines the type of fuel currently being supplied to the engine, for example, either gasoline or E85. Based upon this determination, the impulse charging will be inactive (if gasoline is sensed) or active (if E85 is sensed). A speed or torque sensor is also utilized to determine if impulse charging will produce a volumetric efficiency that is better matched to the fuel octane characteristics.