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:
Jul. 15, 2008
Filed:
Apr. 12, 2006
Applicants:
Alan G. Holmes, Clarkston, MI (US);
Michael R. Schmidt, Carmel, ID (US);
Inventors:
Alan G. Holmes, Clarkston, MI (US);
Michael R. Schmidt, Carmel, ID (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hybrid powertrain includes a hybrid transmission having an engine input and two motor/generator units, which are interconnected by a planetary gear mechanism and three selectively engageable torque-transmitting mechanisms to establish three modes of transmission operation including an input split mode, a first compound split mode, and a second compound split mode.