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. 03, 2007
Filed:
Jun. 03, 2005
Applicants:
Dan Coffey, Howell, MI (US);
Michael C. Sefcik, Linden, MI (US);
Inventors:
Dan Coffey, Howell, MI (US);
Michael C. Sefcik, Linden, MI (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A powertrain includes a continuously variable transmission having a starting mechanism, a continuously variable unit (CVU), and a pair of planetary gear arrangements. The continuously variable transmission also includes a plurality of torque transmitting mechanisms which are selectively engageable in combinations of two to establish a reverse mode of operation between the starting mechanism and a transmission output shaft, a low direct mode of operation, an intermediate split mode of operation, and a high split mode of operation.