Invention Grant
- Patent Title: Multi-speed transmission
- Patent Title (中): 多速传输
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Application No.: US13670987Application Date: 2012-11-07
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Publication No.: US08920281B2Publication Date: 2014-12-30
- Inventor: Edward W. Mellet , James M. Hart , Andrew W. Phillips
- 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: F16H1/32
- IPC: F16H1/32 ; F16H3/66

Abstract:
A transmission has an input member, an output member, at least 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 clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and one reverse gear ratio.
Public/Granted literature
- US20140128200A1 MULTI-SPEED TRANSMISSION Public/Granted day:2014-05-08
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