A slip ring device includes an insulating molded body in which a pair of slip rings and a pair of connecting conductors are provided. The insulating molded body includes a molded body main body portion disposed in a position further from a rotor main body than a bearing provided on a shaft, the slip rings being provided in the molded body main body portion, an opposing portion disposed between the bearing and the rotor main body, and a pair of beam portions that connect the molded body main body portion to the opposing portion, the connecting conductors being provided respectively in the beam portions. A pair of shaft grooves respectively accommodating the pair of beam portions are provided in the shaft. A spreading suppression portion for preventing resin with which a field coil is impregnated from spreading into the shaft grooves is provided in the opposing portion.
ROTOR FOR ROTARY ELECTRIC MACHINE
2017-05-18
Patent
Electronic Resource
English
Rotor for rotary electric machine and rotary electric machine
European Patent Office | 2024
|ROTOR FOR ROTARY ELECTRIC MACHINE, AND ROTARY ELECTRIC MACHINE
European Patent Office | 2024
|