Internal combustion engine cylinder head having an integrated exhaust manifold and sub-groups of the exhaust pipe which joins the manifold portion arranged in the overlapping apart from each other

摘要

PROBLEM TO BE SOLVED: To provide a cylinder head for an internal combustion engine in which uniform cooling of each part of a head in particular each part of an exhaust manifold is secured.;SOLUTION: In a cylinder head 1 for an internal combustion engine having respective jackets of a lower part, an intermediate part, and an upper part, a lower cooling jacket 18 has a part 20 separating superimposed parts 16a, 17a of sub groups 16, 17 of an exhaust pipe 9, the intermediate jacket 20 forms a main outlet 201 for fluid at the end 6 of the head, the upper jacket 19 has the second part 197 having the first part 196 at the center of the head, forming an auxiliary circuit 198 adjacent to the main outlet, and extending to the end of the head in a longitudinal direction.;COPYRIGHT: (C)2013,JPO&INPIT