Exhaust gas turbocharger for a motor vehicle

摘要

The turbocharger (1) has a bearing housing (3) arranged between a turbine housing (2) and a compressor housing. A shaft (5) supports a turbine wheel (4) and a compressor wheel and is mounted over a bearing arrangement (8) at the bearing housing. A disk spring device (7) is provided to produce a spring force independent of temperature. The disk spring device is provided between the bearing housing and the turbine housing and/or in an area of the bearing arrangement. The disk spring device is made of bimetal e.g. steel and zinc, and as a heat shield between the bearing and turbine housings.