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    • 4. 发明公开
    • INSULATOR, STATOR, AND ROTATING ELECTRIC MACHINE
    • EP4152569A1
    • 2023-03-22
    • EP21805015.1
    • 2021-04-28
    • Toshiba Industrial Products and Systems Corporation
    • ARAKI, TakashiMOCHIZUKI, MotoyasuMATSUMOTO, Masaaki
    • H02K3/04H02K3/34H02K3/46H02K3/50
    • An insulator according to an embodiment includes a teeth cover portion and a crossover-wire guide portion. The crossover-wire guide portion includes a plurality of guide walls, a drawing groove, a drawing path, and a crossover-wire support portion. The plurality of the guide walls separate the crossover-wire portions of the coils drawn out from the plurality of the split cores and having phases different from each other in the core radial direction for each phase, and are capable of guiding the crossover-wire portions in the core circumferential direction. The drawing groove penetrates through all of the plurality of the guide walls in the core radial direction. The drawing path is disposed at a position away from the drawing groove in the core circumferential direction, does not penetrate through an inner guide wall of the plurality of the guide walls which is located at an innermost side in the core radial direction, penetrates through a guide wall other than the inner guide wall of the plurality of the guide walls in the core radial direction, and causes the crossover-wire portion of the coil drawn out from the drawing groove to be inserted between two guide walls adjacent to each other of the plurality of the guide walls. The crossover-wire support portion changes a direction of the crossover-wire portion of the coil drawn out from the drawing groove, to be directed to the drawing path, and supports the crossover-wire portion.