Invention Grant
- Patent Title: Multiple speed transmission having a band brake
- Patent Title (中): 具有带式制动器的多速变速器
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Application No.: US13359083Application Date: 2012-01-26
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Publication No.: US08758189B2Publication Date: 2014-06-24
- Inventor: James M. Hart , Daryl A. Wilton
- Applicant: James M. Hart , Daryl A. Wilton
- 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: F16H3/66
- IPC: F16H3/66 ; F16H1/46

Abstract:
An automatic transmission includes an input shaft or member, an output shaft or member and three simple and one compound planetary gear assemblies each including a sun gear, a planet gear carrier with a plurality of planet gears and a ring gear. The input shaft or member is coupled to the sun gear of the second planetary gear assembly and the output shaft is coupled to the planet gear carrier of the fourth planetary gear assembly. The transmission also includes six torque transmitting devices: one band brake, three friction brakes and two friction clutches.
Public/Granted literature
- US20120214636A1 MULTIPLE SPEED TRANSMISSION HAVING A BAND BRAKE Public/Granted day:2012-08-23
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