Patent ID: 8166754

Claim:
An exhaust manifold for an internal combustion engine having first and second cylinder groups, said exhaust manifold ( 20 ) comprising a central part ( 21 ) and two exhaust gas flow ducts ( 26 , 27 ) connected to the central part ( 21 ) for delivering engine exhaust gas from the first cylinder group of the internal combustion engine via the first exhaust gas flow duct ( 26 ) to the central part ( 21 ) and engine exhaust gas from the second cylinder group of the internal combustion engine via the a second exhaust gas flow duct ( 27 ) to the central part ( 21 ) and supplying the exhaust gas to a first turbine inlet flow passage via the first exhaust gas flow duct ( 26 ) and to a second turbine inlet flow passage via the second exhaust gas flow duct ( 27 ), and a motor brake control element ( 30 ) for influencing an engine brake function, a pressure control element ( 43 ) for influencing an exhaust gas pressure upstream of the motor brake control element ( 30 ) and a recirculation control element ( 59 ) for controlling an exhaust gas recirculation rate, wherein the motor brake control element ( 30 ), the pressure control element ( 43 ), and the recirculation control element ( 59 ) are incorporated into the central part ( 21 ) of the manifold ( 20 ), wherein said motor brake control element ( 30 ) for controlling the brake function is incorporated into a wall ( 29 ) of the central part ( 21 ) and has a first switching position in which said motor brake control element ( 30 ) separates the two exhaust gas flow ducts ( 26 , 27 ) from one another, and a second switching position in which the two exhaust gas flow ducts ( 26 , 27 ) are joined together for directing the exhaust gas flows of both exhaust gas flow ducts ( 26 , 27 ) to only one of the turbine inlet flow passages.