发明名称 |
Approach for identifying and responding to an unresponsive wastegate in a twin turbocharged engine |
摘要 |
An engine system for a vehicle is provided, comprising an internal combustion engine including an exhaust system; a first turbine including a first wastegate and arranged along a first branch of the exhaust system, a second turbine including a second wastegate and arranged along a second branch of the exhaust system; a first exhaust gas sensor arranged along the first branch of the exhaust system downstream of the first turbine and first wastegate; a second exhaust gas sensor arranged along the second branch of the exhaust system downstream of the second turbine and the second wastegate; and a control system configured to command the first and second wastegates to a closed or open position and to indicate one of said wastegates as unresponsive to said command in response to a temperature difference between the first and second branches indicated by the first and second exhaust gas sensors.
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申请公布号 |
US8001782(B2) |
申请公布日期 |
2011.08.23 |
申请号 |
US20070862001 |
申请日期 |
2007.09.26 |
申请人 |
FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
PURSIFULL ROSS DYKSTRA |
分类号 |
F02B33/44;F02B33/00;G06F7/00;G06F17/00 |
主分类号 |
F02B33/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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