Invention Grant
US08220351B2 Dual clutch multi-speed transmission having one countershaft and a reverse shaft
失效
双离合器多速变速器具有一个中间轴和反向轴
- Patent Title: Dual clutch multi-speed transmission having one countershaft and a reverse shaft
- Patent Title (中): 双离合器多速变速器具有一个中间轴和反向轴
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Application No.: US12706219Application Date: 2010-02-16
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Publication No.: US08220351B2Publication Date: 2012-07-17
- Inventor: Craig S. Ross , Edwin T. Grochowski , Scott H. Wittkopp
- Applicant: Craig S. Ross , Edwin T. Grochowski , 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: F16H3/08
- IPC: F16H3/08

Abstract:
A transmission includes an input member, an output transfer gear, first and second shaft members, a countershaft, a reverse shaft, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of 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
- US20100236359A1 DUAL CLUTCH MULTI-SPEED TRANSMISSION HAVING ONE COUNTERSHAFT AND A REVERSE SHAFT Public/Granted day:2010-09-23
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