| 摘要 |
PROBLEM TO BE SOLVED: To provide an internal combustion engine system capable of satisfying both of performance of a supercharger and fuel economy of an internal combustion engine without complicating the structure of EGR, the internal combustion engine system having the supercharger and the EGR.SOLUTION: An internal combustion engine system comprises: an electric supercharger 20 that supercharges sucked air; a throttle valve 6 that adjusts an intake air flow rate of air supercharged by the electric supercharger 20 into a cylinder 16; an EGR passage 21 that refluxes a part of exhaust gas discharged from an exhaust manifold 22 side into an intake manifold 15 side; an EGR valve that adjusts the amount of exhaust gas flowing through the EGR passage 21; and an internal combustion engine control device 23 that controls the throttle valve 6, an EGR valve 11, and the electric supercharger 20. |
