摘要 |
A motor-driven supercharger is provided with a turbine shaft (12) having a turbine impeller (11) in one end, a compressor impeller (14) rotationally driven by the turbine shaft, a housing surrounding the turbine impeller, the turbine shaft and the compressor impeller, a motor stator (24) fixed within the housing, and a motor rotor (22) rotationally driven by the motor stator. The motor rotor (22) is fixed to an inner diameter side of the compressor impeller (14) in accordance with a fitting. |