METHOD OF MANUFACTURING A ROTOR ASSEMBLY

A method of manufacturing a rotor assembly for an electric motor is disclosed. The rotor assembly includes a lamination stack extending along an axis, a plurality of magnets including a first and second magnet each coupled to the lamination stack, and a plurality of pole pieces including a first pol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ishihara, Mitsuru, Campton, Calahan B, Mayer, Andreas WP
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A method of manufacturing a rotor assembly for an electric motor is disclosed. The rotor assembly includes a lamination stack extending along an axis, a plurality of magnets including a first and second magnet each coupled to the lamination stack, and a plurality of pole pieces including a first pole piece spaced from the lamination stack and separate from the lamination stack. The rotor assembly also includes a plurality of spacers including a first spacer spaced from the lamination stack. The method includes the step of disposing the first magnet and the second magnet between the lamination stack and the first pole piece. The method also includes the step of disposing the first spacer between the lamination stack and the first pole piece to reduce flux leakage between the lamination stack and the first pole piece.