| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling device of an engine capable of suppressing pressure loss of cooling water introduced into a water jacket.SOLUTION: A cooling device of an engine E including a water jacket 11 formed in a state of surrounding the circumference of a plurality of cylinder bores 13 disposed on a cylinder block 1, and a spacer 4 disposed in the water jacket 11, further includes a cooling water introduction port 14 for introducing cooling water into the water jacket 11 from the external of the cylinder block 1, and a rectifying portion 51 as a rectifying portion 51 extended to an upstream side in the cooling water introducing direction, from upper and lower portions of a part corresponding to the cooling water introduction portion 14, of the spacer 4, and preventing generation of swirl flow around a horizontal axis caused by flowing of the introduced cooling water along the spacer 4. |
