Rotor for dynamo-electric machine, and dynamo-electric machine

A rotor for a dynamo-electric machine includes a shaft and a rotor core constituted by laminating a plurality of electromagnetic steel sheets, and the rotor core is configured such that the shaft is attached to an inner periphery of the rotor core. Each of the electromagnetic steel sheets constituti...

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Bibliographic Details
Main Authors Mizokami, Ryouichi, Koike, Yasuhisa
Format Patent
LanguageEnglish
Published 04.10.2022
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A rotor for a dynamo-electric machine includes a shaft and a rotor core constituted by laminating a plurality of electromagnetic steel sheets, and the rotor core is configured such that the shaft is attached to an inner periphery of the rotor core. Each of the electromagnetic steel sheets constituting the rotor core includes an insertion hole into which the shaft is inserted, and a key protruding radially inwardly from the insertion hole, the shaft includes a keyway formed along an axial direction, the shaft is attached by clearance fit to the insertion holes of the electromagnetic steel sheets, and the key is fitted by pressing into the keyway such that a side face of the key abuts on a side face of the keyway.
Bibliography:Application Number: US201816966695