Supercharged internal combustion engine with an integrated coupling flange for a turbosupercharger

A supercharged internal combustion engine (100,100') comprising a motor unit (101,101') and at least one hydraulic circuit; - a turbocharger assembly (105,105') comprising and a central body (122) having at least one hydraulic channel (136,137,137A,142,143) connected via flanges to a hydraulic circuit of the motor unit (101,101').