Invention Grant
- Patent Title: Multi-speed transmission and method of control
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Application No.: US15169268Application Date: 2016-05-31
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Publication No.: US10053099B2Publication Date: 2018-08-21
- Inventor: Dara Monajemi , Matthew D. Whitton , Brian M. Porto
- 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: B60W30/19
- IPC: B60W30/19 ; B60W30/18 ; B60W10/02 ; B60W10/06 ; B60W10/115 ; F16H3/66

Abstract:
A transmission is provided having a control module, an input member, an output member, four planetary gear sets, a plurality of interconnecting 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. The control module includes a control logic sequence for performing a coasting downshift of the transmission.
Public/Granted literature
- US20170341651A1 MULTI-SPEED TRANSMISSION AND METHOD OF CONTROL Public/Granted day:2017-11-30
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