Invention Grant
- Patent Title: Eight speed transmission
- Patent Title (中): 八速传动
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Application No.: US11757074Application Date: 2007-06-01
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Publication No.: US07674202B2Publication Date: 2010-03-09
- Inventor: Scott H. Wittkopp , Madhusudan Raghavan , James M. Hart
- Applicant: Scott H. Wittkopp , Madhusudan Raghavan , 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:
An eight speed automatic transmission is provided having an input member, an output member, three 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 include three clutches and three brakes.
Public/Granted literature
- US20080300091A1 EIGHT SPEED TRANSMISSION Public/Granted day:2008-12-04
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