| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem that there is a risk causing such a problem that if water droplets condensed from EGR gas are accumulated in an EGR gas passage formed in a cylinder head and water is injected to a suction side, and if the water droplets are stored for a long period, the cylinder head is corroded. <P>SOLUTION: An EGR gas passage structure provided in the cylinder head is provided, and the EGR gas passage structure is characterized in that it has a first opening provided on an exhaust manifold side, a second opening provided on an intake manifold side, and a communication path connecting the first opening and the second opening, and the communication path is inclined to rise toward a flow direction of EGR gas, over the entire length. <P>COPYRIGHT: (C)2013,JPO&INPIT |
