PERMANENT MAGNET FOR MOTOR, AND METHOD FOR MANUFACTURING THE PERMANENT MAGNET FOR MOTOR

The present invention relates to a permanent magnet for a motor, to be buried in a permanent magnet motor, including: a plurality of sheet magnets for lamination, and an insulating layer arranged between the plurality of sheet magnets for lamination. Since the invention has the above-mentioned const...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAKAYAMA, Junichi, NAKAMURA, Kenji, HOSHINO, Toshinobu, KUME, Katsuya, HORIO, Tomokazu, OZEKI, Izumi, FUKUDA, Yuuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS
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Beschreibung
Zusammenfassung:	The present invention relates to a permanent magnet for a motor, to be buried in a permanent magnet motor, including: a plurality of sheet magnets for lamination, and an insulating layer arranged between the plurality of sheet magnets for lamination. Since the invention has the above-mentioned constitution, the permanent magnets are free from the problems of temperature elevation and coercive force depression, therefore making it possible to provide a high-power small-sized motor. Furthermore, it is unnecessary to perform the conventional correcting processing after sintering, which can simplify the production steps, and therefore, it becomes possible to mold the permanent magnet with a high degree of dimension accuracy.