发明名称 |
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE |
摘要 |
The present invention intends to perform control for detecting a change in air-fuel ratio with high accuracy by an exhaust gas sensor in an internal combustion engine having a turbocharger with a wastegate valve. A control apparatus for an internal combustion engine according to the present invention includes: a turbocharger; a wastegate through which an exhaust gas passes while bypassing a turbine; a wastegate valve for opening/closing the wastegate; an exhaust gas sensor provided in an exhaust passage on the downstream side from the turbine and the wastegate valve; and air-fuel ratio change detection controlling means for executing air-fuel ratio change detection control to change an air-fuel ratio on the upstream side from the turbine and the wastegate valve and detect a change in the air-fuel ratio by the exhaust gas sensor. The air-fuel ratio change detection controlling means executes the air-fuel ratio change detection control when the opening degree of the wastegate valve is less than a predetermined value. |
申请公布号 |
EP2348213(A4) |
申请公布日期 |
2012.05.09 |
申请号 |
EP20080878258 |
申请日期 |
2008.11.19 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
MIYASHITA, SHIGEKI |
分类号 |
F02D41/04;F02D23/00;F02D45/00 |
主分类号 |
F02D41/04 |
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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