Invention Grant
- Patent Title: Multi-speed transmission with external drive gearsets
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Application No.: US12042756Application Date: 2008-03-05
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Publication No.: US08047957B2Publication Date: 2011-11-01
- Inventor: Andrew W. Phillips , Scott H. Wittkopp , Clinton E. Carey , James M. Hart
- Applicant: Andrew W. Phillips , Scott H. Wittkopp , Clinton E. Carey , James M. Hart
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Main IPC: F16H3/44
- IPC: F16H3/44

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.
Public/Granted literature
- US20090082159A1 MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS Public/Granted day:2009-03-26
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