Patent ID: 9739376
Date: 2017-08-22
CPC Classifications: F01M,F02F,F16J

Claim:
1. A cylinder head comprising: a plurality of exhaust ports provided corresponding to a plurality of cylinders, the plurality of exhaust ports being adjacent one another in a cylinder arrangement direction, the plurality of exhaust ports being configured to converge outlets of the exhaust ports inside the cylinder head, an outside one of the exhaust ports above which a water jacket is not provided and an adjacent inside one of the exhaust ports above which the water jacket is provided; and a pair of oil passages arranged so as to sandwich the outside one of the exhaust ports above which the water jacket is not provided, wherein an inclined surface provided on an upper surface of the cylinder head, the inclined surface being positioned between the pair of oil passages, and the inclined surface being inclined in the cylinder arrangement direction from one oil passage, of the pair of oil passages, toward the oil passage of the pair of oil passages.