Rotary electric machine and rotor therefor

A rotor includes a rotor core (21) and a plurality of permanent magnets (22) aligned in a circumferential direction of the rotor core (21). An inner circumferential surface of the rotor core (21) includes a first portion (30) formed at a position corresponding to a central portion of the permanent m...

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Bibliographic Details
Main Author SAJIKAWA YUJI
Format Patent
LanguageChinese
English
Published 16.05.2012
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A rotor includes a rotor core (21) and a plurality of permanent magnets (22) aligned in a circumferential direction of the rotor core (21). An inner circumferential surface of the rotor core (21) includes a first portion (30) formed at a position corresponding to a central portion of the permanent magnet (22) in a circumferential direction, the first portion being recessed with respect to a second portion (31) corresponding to a boundary between circumferentially adjacent permanent magnets (22).
Bibliography:Application Number: CN201110320573