Patent ID: 8714128

Claim:
Cylinder head for an internal combustion engine having: a body with an upper face, a lower face, two end faces and two lateral faces, said body integrating in a single cast piece, the engine exhaust manifold, said exhaust manifold being defined by a plurality of conduits for the exhaust gases provided in the body of the head, said conduits merging into a common outlet terminating on a lateral face of the head, and at least one lower cooling jacket and at least one upper cooling jacket provided in the body of the head, substantially below and above conduits defining the exhaust manifold, wherein: a) the lower cooling jacket is longitudinally divided into a plurality of separate transverse chambers associated to various engine cylinders, while the upper cooling jacket has a portion extended longitudinally over the entire extension of the head and communicating with separate transverse chambers located on the intake side of the head, b) said exhaust conduits integrated in the head form separate subgroups of exhaust conduits merging into manifold portions superimposed and spaced apart from each other, c) said separate subgroups of exhaust conduits terminate in said common outlet on a lateral face of the cylinder head, and d) the lower cooling jacket has a portion thereof which extends in the area of the body of the head, the portion separating the superimposed portions of the subgroups of exhaust conduits.