| 摘要 |
PROBLEM TO BE SOLVED: To provide cooling structure of an internal combustion engine by which overcooling prevention of a cylinder bore wall at a position facing a cooling water introduction port in a water jacket is extremely effectively performed. ! SOLUTION: The present invention provides cooling structure of an internal combustion engine in a water jacket 5 to be provided around a cylinder bore 2 of the internal combustion engine, where, in a water jacket 5, a regulation plate 10 for regulating circulation of cooling water is inserted into a position facing a cooling water introduction port 6 of the water jacket 5, the cooling water introduction port 6 is provided with a guide part 11 of the cooling water extended so as to face the regulation plate 10, and the regulation plate 10 and the guide part 11 are provided with wraparound suppression means Mr(Mp) for suppressing wraparound of the cooling water to the opposite side of the cooling water introduction part 6 in the regulation plate 10. ! COPYRIGHT: |
