| 摘要 |
PROBLEM TO BE SOLVED: To suppress opening of electromagnetic steel plates constituting a rotor core while suppressing deterioration of magnetic characteristic of the rotor core in a variable magnetic field type rotary electric machine.SOLUTION: In an axial direction, an electromagnetic steel plate constituting a main rotor core 46 is sandwiched between a non-magnetic restraining plate 61 and a restraining plate 62 which are fixed to a main rotor shaft 26, and an electromagnetic steel plate constituting a sub rotor core 54 is sandwiched between a non-magnetic restraining plate 63 and a restraining plate 64 which are fixed to a sub rotor shaft 52. The restraining plate 61 and the restraining plate 63 are brought into contact and friction lowering treatment is applied to contact surfaces of the restraining plate 61 and the restraining plate 63. |
