Invention Application
- Patent Title: MULTI-SPEED TRANSMISSION
- Patent Title (中): 多速传输
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Application No.: US13737074Application Date: 2013-01-09
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Publication No.: US20130203548A1Publication Date: 2013-08-08
- Inventor: Edward W. Mellet , James M. Hart
- Applicant: GM Global Technology Operations LLC
- 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 include four clutches and three brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
Public/Granted literature
- US08651996B2 Multi-speed transmission Public/Granted day:2014-02-18
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