Patent Number: 8,066,612

Title: Multi-speed transmission with external drive gearsets

Abstract: A transmission is provided having an input member, an output member, three planetary gear sets, four external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.

Inventors: Phillips; Andrew W. (Saline, MI), Wittkopp; Scott H. (Ypsilanti, MI), Hart; James M. (Belleville, MI), Carey; Clinton E. (Monroe, MI)

Assignee: GM Global Technology Operations LLC

International Classification: F16H 3/44 (20060101)

Expiration Date: 2020-11-29 0:00:00