Patent ID: 7430994

Claim:
A cylinder head ( 1 ) for an internal combustion engine, said cylinder head ( 1 ) comprising: a top face ( 1 a ), a bottom face ( 1 b ) arranged to be connected to a cylinder block, a lateral exhaust flange face ( 1 c ) arranged to be connected to an exhaust manifold ( 17 ), a second lateral face (id) being opposed to said lateral exhaust flange face ( 1 c ), a front face ( 1 e ) and an end face ( 1 f ); said cylinder head ( 1 ) being provided with a coolant chamber connected to outlet ports at which the coolant leaves the cylinder head to be connected to coolant ducts arranged outside of the cylinder head and an integral coolant crossover passage forming a return flow duct for coolant liquid which has passed the coolant chamber of the cylinder head; and said integral coolant crossover passage providing a first port ( 2 a ) for connection to a first exhaust manifold cooling jacket outlet ( 21 d ) and extending between said first port ( 2 a ) arranged at said lateral exhaust flange face ( 1 c ) and a first coolant outlet ( 2 b ) arranged at another of said faces ( 1 a , 1 b , 1 d , 1 e , 1 f ); wherein said first coolant outlet ( 2 b ) is arranged on said second lateral face ( 1 d ).