Invention Grant
- Patent Title: Multi-speed transmission
- Patent Title (中): 多速传输
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Application No.: US11972357Application Date: 2008-01-10
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Publication No.: US07985158B2Publication Date: 2011-07-26
- Inventor: Andrew W. Phillips , Clinton E. Carey , Scott H. Wittkopp , James M. Hart
- Applicant: Andrew W. Phillips , Clinton E. Carey , Scott H. Wittkopp , 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: F16H3/62
- IPC: F16H3/62
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 at least one brake.
Public/Granted literature
- US20080261761A1 MULTI-SPEED TRANSMISSION Public/Granted day:2008-10-23
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