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:
Sep. 04, 2007
Filed:
Jan. 20, 2005
Applicant:
Paul D. Stevenson, Ann Arbor, MI (US);
Inventor:
Paul D. Stevenson, Ann Arbor, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 3/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multi-speed transmission for transmitting power from a power source includes a torque converter as well as dual clutches which may be arranged as dual input clutches or dual output clutches. To combine the smoothness and ratio boosting effects of a torque converter with the low spin loses associated with synchronizers used in dual clutch designs. The torque converter and dual clutches as well as synchronizers and a plurality of intermeshing gears are utilized to transfer torque from an input member to an output member at a plurality of speed ratios.