| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of insufficient supporting rigidity when an EGR cooler is mounted to an intake manifold.SOLUTION: One end of the EGR cooler 7 and a cylinder head 3 are connected to each other by an EGR pipe 8 for guiding an exhaust gas to the EGR cooler 7 from an EGR passage in the cylinder head. A cooling housing 24 for circulating a refrigerant around the EGR pipe 8 is provided integrally with the EGR pipe 8. |
