ROTOR STRUCTURE FOR ROTATING MACHINE

PROBLEM TO BE SOLVED: To keep the rotor core stacking thickness of a rotor constant by forming pressing plates for fixing the permanent magnet rotor core to a shaft and fixing a permanent magnet embedded in the rotor core. SOLUTION: Rotor cores 3a are stacked at the roughly central part of a shaft 1...

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Bibliographische Detailangaben
Hauptverfasser:	HIRANO YOSHINAGA, KADOWAKI YOSHIKAZU
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To keep the rotor core stacking thickness of a rotor constant by forming pressing plates for fixing the permanent magnet rotor core to a shaft and fixing a permanent magnet embedded in the rotor core. SOLUTION: Rotor cores 3a are stacked at the roughly central part of a shaft 1 in the axial direction and the laminated rotors 3 are shrinkingly-fitted and fixed to the shaft 1. A pressing plate 10 formed out of a material having the identical coefficient of linear expansion as that of the rotor core 3 is shrinkingly-fitted and fixed to both ends of the rotor core 3a of the rotor 3 and the shaft 1. A permanent magnet 2 is mounted on the rotor core 3a and incorporated into an inserting slot 3b through a resin material. A pressing plate 11 for fixing the permanent magnet 2 is spigot-fitted to the outside diameter of the pressing plate 10 and fixed to the pressing plate 10 with bolts.