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:
Jun. 24, 2014
Filed:
Oct. 22, 2012
GM Global Technology Operations Llc, Detroit, MI (US);
John A. Diemer, Farmington Hills, MI (US);
Pete R. Garcia, Troy, MI (US);
Douglas John Dwenger, Plymouth, MI (US);
Boris Burgman, Oak Park, MI (US);
Robert Joseph Gonzales, Clarkston, MI (US);
Kent A. Miller, Pinckney, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An electrically-variable transmission for a vehicle is disclosed. The transmission includes an input member and an output member each rotatable about a first axis. The transmission includes a casing defining a cavity between a first end wall and a second end wall. The transmission includes a first motor/generator and a second motor/generator disposed in the cavity with a second planetary gear set disposed between the first and second motor/generators along the first axis. The transmission includes a first torque-transmitting mechanism disposed between the first and second motor/generators along the first axis. The transmission includes a second torque-transmitting mechanism disposed between the first end wall and the first motor/generator along the first axis. The first motor/generator is disposed between the first and second torque-transmitting mechanisms along the first axis. The transmission includes a damper mechanism disposed between the second end wall and a first planetary gear set along the first axis.