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:
Apr. 10, 2012
Filed:
Sep. 16, 2008
Shawn H. Swales, Canton, MI (US);
Joel M. Maguire, Northville, MI (US);
Andrew W. Phillips, Rochester, MI (US);
Clinton E. Carey, Monroe, MI (US);
James B. Borgerson, Auburn Hills, MI (US);
Donald L. Dusenberry, Farmington Hills, MI (US);
James M. Hart, Belleville, MI (US);
Scott H. Wittkopp, Ypsilanti, MI (US);
Shawn H. Swales, Canton, MI (US);
Joel M. Maguire, Northville, MI (US);
Andrew W. Phillips, Rochester, MI (US);
Clinton E. Carey, Monroe, MI (US);
James B. Borgerson, Auburn Hills, MI (US);
Donald L. Dusenberry, Farmington Hills, MI (US);
James M. Hart, Belleville, MI (US);
Scott H. Wittkopp, Ypsilanti, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
The hybrid powertrain has a plurality of members that can be utilized to provide eight forward speed ratios and one reverse speed ratio in a hybrid transmission architecture. The transmission includes three planetary gear sets having five torque-transmitting devices and four fixed interconnections. The powertrain includes an engine, a damper, a pump, an engine disconnect clutch, and a drive motor, all operatively connected with the transmission to provide strong hybrid operating capability.