| 摘要 |
PURPOSE:To prevent a stator assembly from displacing due to vibration by providing a ringlike rib for securing a plurality of stator coils on the inner periphery of the assembly CONSTITUTION:Ringlike ribs 33, 34 are so mounted as not to contact the poles 8, 9 of a yoke on the inner periphery of a stator assembly 20. The ribs 33, 34 are preferably made of an insulator having light weight such as a ceramic material. The ribs 33, 34 are bonded to three type of coils 30, 31 32 to connect fixedly the three types of coils. Thus, since the rigidity of the assembly can be increased, it can prevent the assembly from displacing due to the vibration of a rotor.
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