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:
Oct. 11, 2011
Filed:
Apr. 18, 2007
Mark A. Theobald, Bloomfield Hills, MI (US);
Rodney B. Rask, Grosse Pointe Woods, MI (US);
Madhusudan Raghavan, West Bloomfield, MI (US);
Paul M. Najt, Bloomfield Hills, MI (US);
Alan G. Holmes, Clarkston, MI (US);
Norman K. Bucknor, Troy, MI (US);
Mark A. Theobald, Bloomfield Hills, MI (US);
Rodney B. Rask, Grosse Pointe Woods, MI (US);
Madhusudan Raghavan, West Bloomfield, MI (US);
Paul M. Najt, Bloomfield Hills, MI (US);
Alan G. Holmes, Clarkston, MI (US);
Norman K. Bucknor, Troy, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A powertrain is provided having an engine operable in a reverse direction so that a reverse mode is provided through an electrically variable transmission without relying on pure electric or series electric operation, and without the addition of a dedicated reverse gear. A method of controlling such a powertrain is also provided.