Patent ID: 8997487
Filing Date: 2015-04-07
Classification: F01D,F01N,F02B,F02C,F05D,Y02T

Abstract:
1. An internal combustion engine system comprising an internal combustion engine equipped with an exhaust manifold and with a turbocharger, said turbocharger comprising a bearing housing, a rotating shaft coupled to the bearing housing, a compressor wheel mounted at one end of the rotating shaft, a compressor housing accommodating the compressor wheel and provided with an inlet and an outlet for an air stream, a turbine wheel mounted at the opposite end of the rotating shaft, and a turbine housing accommodating the turbine wheel and provided with an inlet and an outlet for an exhaust gas stream, wherein the bearing housing comprises a fastening flange suitable to be fixed to a component of the internal combustion engine, wherein the turbine housing is provided with a connecting pipe for fluidly connecting the turbine housing inlet with an exhaust manifold of the internal combustion engine, and wherein the connecting pipe includes at least one tubular portion that has an axial alternation of annular ridges and troughs for compensating axial thermal deformations of the connecting pipe and increases the flexibility of the connecting pipe.