Patent ID: 8291880
Filing Date: 2012-10-23
Classification: F01N,F02B,F02F

Abstract:
1. An internal combustion engine including several in-line cylinders with a common cylinder head ( 1 ), each cylinder having a combustion chamber with at least one exhaust gas discharge passage ( 2 ) extending within the cylinder head ( 1 ), the cylinder head ( 1 ) including a side wall ( 1 b ) having an elongate tub-shaped recess formed therein with a flat bottom wall ( 1 a ) to which the exhaust gas discharge passages ( 2 ) extend, and a shell element ( 4 ) with a mounting flange ( 4 a ) mounted onto the cylinder head side wall ( 1 b ) so as to cover the elongate tub-shaped recess and being curved outwardly to form between the flat bottom wall ( 1 a ) and the shell element ( 4 ) an exhaust gas confluence zone ( 3 a ) from which the exhaust gas is discharged via an exhaust opening with an exhaust pipe flange ( 4 b ) formed on the shell element ( 4 ).