Invention Grant
- Patent Title: Method and apparatus to monitor a flow management valve of an electro-mechanical transmission
- Patent Title (中): 用于监测机电传动装置的流量管理阀的方法和装置
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Application No.: US11870042Application Date: 2007-10-10
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Publication No.: US07869924B2Publication Date: 2011-01-11
- Inventor: Peter E. Wu , Ryan D Martini , Andrew M. Zettel , Charles J Van Horn , Thomas E Mathews , Kambiz Panahi
- Applicant: Peter E. Wu , Ryan D Martini , Andrew M. Zettel , Charles J Van Horn , Thomas E Mathews , Kambiz Panahi
- 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: F16H61/12
- IPC: F16H61/12
Abstract:
A flow management valve is operative to enable a multi-range electro-mechanical transmission in first and second ranges. Fluid pressure in a hydraulic circuit is monitored to detect a fault in the flow management valve.
Public/Granted literature
- US20090099742A1 METHOD AND APPARATUS TO MONITOR A FLOW MANAGEMENT VALVE OF AN ELECTRO-MECHANICAL TRANSMISSION Public/Granted day:2009-04-16
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