A slip ring device includes a pair of slip rings, a pair of connecting conductors, and an insulating molded body in which the slip rings and the 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.
ROTATING ELECTRIC MACHINE ROTOR
ROTOR FÜR EINE ELEKTRISCHE DREHMASCHINE
ROTOR DE MACHINE ÉLECTRIQUE TOURNANTE
2019-08-28
Patent
Elektronische Ressource
Englisch
ROTOR OF ROTATING ELECTRIC MACHINE AND ROTATING ELECTRIC MACHINE
Europäisches Patentamt | 2020
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