发明名称 |
FEHLERDIAGNOSEVORRICHTUNG EINER AGR-STEUEREINRICHTUNG |
摘要 |
A failure diagnosis device of an EGR control device provided with an exhaust gas recirculating passage for recirculating exhaust gas of an engine to an intake side of the engine and a recirculating valve for controlling to open and close the exhaust gas recirculating passage, which controls to open and close the recirculating valve comprising: a running condition detecting means for detecting a running condition of the engine; a failure diagnosis means for performing a failure diagnosis of the EGR control device by determining whether a difference between the first running condition when the recirculating valve is open and the second running condition when the recirculating valve is closed, is a predetermined value or more; and an ignition timing controlling means for performing an ignition timing controlling in accordance with a change of the running condition when the recirculating valve is switched from an open state to a closed state and from the closed state to the open state. |
申请公布号 |
DE4212636(A1) |
申请公布日期 |
1992.10.22 |
申请号 |
DE19924212636 |
申请日期 |
1992.04.15 |
申请人 |
MITSUBISHI DENKI K.K., TOKIO/TOKYO, JP |
发明人 |
SAITOH, MAMORU;FUJIMOTO, SHINYA, HIMEJI, HYOGO, JP |
分类号 |
F02D43/00;F02D41/22;F02D45/00;F02M25/07;F02P5/15 |
主分类号 |
F02D43/00 |
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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