Invention Grant
- Patent Title: Multi-speed transmission with countershaft gearing arrangement
- Patent Title (中): 带中轴传动装置的多档变速箱
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Application No.: US12203469Application Date: 2008-09-03
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Publication No.: US07987740B2Publication Date: 2011-08-02
- Inventor: Craig S. Ross
- Applicant: Craig S. Ross
- 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: F16H3/08
- IPC: F16H3/08

Abstract:
A transmission includes an input member, an output member, a first and second interconnecting member, a plurality of countershafts, a reverse member, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
Public/Granted literature
- US20100050797A1 MULTI-SPEED TRANSMISSION WITH COUNTERSHAFT GEARING ARRANGEMENT Public/Granted day:2010-03-04
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