| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust reflux device capable of securing a necessary EGR rate in the wide driving region of a supercharged engine. SOLUTION: In an engine with a supercharger, a third valve 21 for opening an auxiliary suction port 17 during a specified period including at least an exhausting process starting time by a valve actuating mechanism 20 controlled by a control unit 25 is provided separately from a suction valve 18 for opening/ closing a suction port 16. |
