Invention Grant
- Patent Title: Multi-speed transmission
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Application No.: US13181223Application Date: 2011-07-12
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Publication No.: US08277356B2Publication Date: 2012-10-02
- Inventor: James M. Hart , Clinton E. Carey , Andrew W. Phillips , Scott H. Wittkopp
- Applicant: James M. Hart , Clinton E. Carey , Andrew W. Phillips , Scott H. Wittkopp
- 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, 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
- US20110269596A1 MULTI-SPEED TRANSMISSION Public/Granted day:2011-11-03
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