Invention Grant
- Patent Title: Hydraulic clutch control system
- Patent Title (中): 液压离合器控制系统
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Application No.: US12265758Application Date: 2008-11-06
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Publication No.: US08348797B2Publication Date: 2013-01-08
- Inventor: Michael D. Foster , Jy-Jen F. Sah , Peter E. Wu
- Applicant: Michael D. Foster , Jy-Jen F. Sah , Peter E. Wu
- 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: F16H31/00
- IPC: F16H31/00
Abstract:
A transmission includes two blocking valves that control fluid pressure to a plurality of clutches. The blocking valves are characterized by a plurality of states that result in at least three transmission operating conditions. Each of the three operating conditions is characterized by fluid pressure being unavailable to a respective one of the plurality of clutches.
Public/Granted literature
- US20090253544A1 Hydraulic Clutch Control System Public/Granted day:2009-10-08
Information query
