Patent ID: 8407997

Claim:
A multi-stage turbocharger arrangement ( 1 ) for an internal combustion engine comprising: a high-pressure stage ( 2 ), a low-pressure stage ( 3 ) which is operatively connected to the high-pressure stage ( 2 ) by means of an openable and closable flow duct system ( 4 ), and a regulating unit ( 5 ) for regulating the operative connection between the high-pressure stage ( 2 ) and the low-pressure stage ( 3 ), the regulating unit ( 5 ) including a regulating slide ( 7 ) and an actuator ( 8 ) for driving the regulating slide ( 7 ), wherein the regulating unit ( 5 ) and the flow duct system ( 4 ) are integrated in an engine exhaust-gas manifold ( 6 ) which is arranged between the high-pressure stage ( 2 ) and the low-pressure stage ( 3 ).