发明名称 |
Method and device for lambda control and for catalytic converter diagnosis in an internal combustion engine |
摘要 |
In the present invention lambda control is carried out by using a NO<SUB>x </SUB>sensor which is arranged in the catalytic converter or downstream of this. At the same time on the basis of the measured NO<SUB>x </SUB>values the operating status is adjusted and the oxygen storage capacity of the catalytic converter is determined for diagnostic purposes.
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申请公布号 |
US7003943(B2) |
申请公布日期 |
2006.02.28 |
申请号 |
US20040837741 |
申请日期 |
2004.05.04 |
申请人 |
SIEMENS AKTIENGELLSCHAFT |
发明人 |
KETTERER ALEXANDER;ZHANG HONG |
分类号 |
F01N3/00;F02D41/02;F02D41/14;F02D41/22 |
主分类号 |
F01N3/00 |
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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