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:
Jan. 10, 2012
Filed:
Aug. 01, 2008
John Gary Smyth, Rochester Hills, MI (US);
Tang-wei Kuo, Troy, MI (US);
Man-feng Chang, Troy, MI (US);
John Gary Smyth, Rochester Hills, MI (US);
Tang-Wei Kuo, Troy, MI (US);
Man-Feng Chang, Troy, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A method of operating a vehicular powertrain including an internal combustion engine includes monitoring map preview information, determining a projected vehicle path based upon the map preview information, determining likely engine operation demands along the projected vehicle path, wherein the likely engine operation demands include likely required engine speeds and likely required engine loads, determining selectable engine operating modes at each likely engine operating demand, and executing engine operation based upon the selectable engine operating modes.