| 摘要 |
In fixing the rotor holder and the torque transmission member, a lower surface projection is arranged at the lower surface of the torque transmission member, and thermal deformation is performed with the lower surface projection inserted into the plate-like portion pass through hole formed in the rotor holder. The inner peripheral surface corresponding to the position in the axial direction where the center pass through hole of the torque transmission member is fixed to the outer peripheral surface of the cylindrical projection of the rotor holder does not contact the outer peripheral surface of the shaft.
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