| 摘要 |
The invention refers to a turbocharger with a compressor (8) which has a compressor wheel (9) which is fixed on one end of a rotor shaft (6); with a turbine (2) which has a turbine rotor (10) which comprises a turbine wheel (5) which has a connecting journal (17) which can be connected to a connecting section (12) of the rotor shaft (6), and with at least one piston ring groove (11, 11') which is provided on the turbine rotor (10); wherein the piston ring groove (11, 11') is arranged on the connecting journal (17).
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