ROTOR ASSEMBLY AND MOTOR COMPRISING THE SAME

A rotor assembly including a rotor core, a plurality of permanent magnets, and a plastic body. The rotor core includes an inner core and a plurality of outer cores surrounding the inner core. The inner core includes an axial through hole. The plurality of outer cores is circumferentially disposed at...

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Bibliographic Details
Main Authors ZENG, Chongsheng, PAN, Mingpan, JIN, Jianwei
Format Patent
LanguageEnglish
Published 24.12.2020
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A rotor assembly including a rotor core, a plurality of permanent magnets, and a plastic body. The rotor core includes an inner core and a plurality of outer cores surrounding the inner core. The inner core includes an axial through hole. The plurality of outer cores is circumferentially disposed at intervals around the inner core; a radial groove is formed between every two adjacent outer cores. The plurality of permanent magnets is embedded in a plurality of radial grooves, respectively. The plurality of radial grooves each includes a first opening away from the inner core and a second opening towards the inner core; every outer core includes a first end away from the inner core and a second end towards the inner core. The first end includes two first hooks disposed on two sides of the first end, respectively.
Bibliography:Application Number: US201916697108