Invention Grant
- Patent Title: Slip-based release verification for a binary clutch assembly
- Patent Title (中): 二进制离合器组件的基于滑动的释放验证
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Application No.: US14094108Application Date: 2013-12-02
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Publication No.: US09102315B2Publication Date: 2015-08-11
- Inventor: Randall B. Dlugoss , Vijay A. Neelakantan
- 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
- Agency: Quinn Law Group, PLLC
- Main IPC: B60W10/02
- IPC: B60W10/02 ; B60W10/11

Abstract:
A vehicle includes an engine and transmission assembly, the latter having a stationary member, a plurality of gear sets, an input member, a friction clutch, a binary clutch assembly, and a transmission control module (TCM). The binary clutch assembly includes a freewheeling element and a binary device such as a selectable one way clutch or dog clutch. The TCM selectively delays a release of the binary clutch assembly via a binary clutch indicator method by detecting a requested shift of the transmission requiring an engagement of the friction clutch, and commanding the release of the binary clutch assembly. The TCM determines an amount of slip across the binary clutch assembly and executes the requested shift of the transmission only when the determined amount of slip exceeds a calibrated slip threshold. Slip may be measured or calculated.
Public/Granted literature
- US20150151733A1 SLIP-BASED RELEASE VERIFICATION FOR A BINARY CLUTCH ASSEMBLY Public/Granted day:2015-06-04
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