Invention Grant
- Patent Title: Multi-speed transmission
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Application No.: US11969743Application Date: 2008-01-04
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Publication No.: US07798935B2Publication Date: 2010-09-21
- Inventor: Scott H. Wittkopp , Andrew W. Phillips , Clinton E. Carey , James M. Hart
- Applicant: Scott H. Wittkopp , Andrew W. Phillips , Clinton E. Carey , James M. Hart
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations Inc.
- Current Assignee: GM Global Technology Operations Inc.
- 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, four planetary 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. The torque transmitting devices may include clutches and brakes.
Public/Granted literature
- US20080207381A1 MULTI-SPEED TRANSMISSION Public/Granted day:2008-08-28
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