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. 27, 2011
Filed:
May. 10, 2011
Brendan M. Conlon, Rochester Hills, MI (US);
Alan G. Holmes, Clarkston, MI (US);
Edward D. Tate, Jr., Grand Blanc, MI (US);
Eric M. Rask, Chicago, IL (US);
Brendan M. Conlon, Rochester Hills, MI (US);
Alan G. Holmes, Clarkston, MI (US);
Edward D. Tate, Jr., Grand Blanc, MI (US);
Eric M. Rask, Chicago, IL (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A hybrid powertrain system for a vehicle includes an engine and a transmission. The transmission includes a transmission input member, first and second electric machines, first and second planetary gear sets, and a plurality of selectively engageable torque transfer devices enabling configuring the powertrain in variously to operate in electric drive, electrically variable, fixed gear and neutral charging operating states.