| 摘要 |
An exhaust gas recirculation device capable of restraining generation of condensate water in an EGR path after engine stoppage is provided. When ignition is switched from ON to OFF, fuel injection is prohibited. As a result, a gas (fresh air) that flows into a cylinder after the switching is discharged into an exhaust passage 14 without burning. In the present invention, a valve opening timing EVO of an exhaust valve is changed so that a high peak portion of a pulsation of the gas arises at an EGR branch point, and the EGR valve 32 is opened. Thereby, the fresh air flowing in the exhaust passage 14 can be introduced into an EGR passage 28, and therefore an EGR gas in the EGR passage 28 can be replaced with the fresh air. |
