发明名称 |
METHOD FOR DIAGNOSING ADDITIONAL VALVES |
摘要 |
A method for adjusting an exhaust gas recycling rate in an internal combustion engine exhaust gas recycling system, comprising: arranging the exhaust gas recycling system in at least one of a fresh gas line, an exhaust gas line, and an exhaust gas recycling line of the internal combustion engine; actuating at least one additional valve; adjusting the at least one additional valve temporarily by changing the operation of the internal combustion engine based on an exhaust gas rate associated with a current operating point of the internal combustion engine; diagnosing the at least one additional valve; and evaluating the change of at least one engine operating parameter dependent on the exhaust gas recycling rate. |
申请公布号 |
EP2225448(A1) |
申请公布日期 |
2010.09.08 |
申请号 |
EP20080863834 |
申请日期 |
2008.12.05 |
申请人 |
MAHLE INTERNATIONAL GMBH |
发明人 |
ELSAESSER, ALFRED;WARTH, MARCO |
分类号 |
F02D41/00;F02D21/08;F02D41/22 |
主分类号 |
F02D41/00 |
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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