PERMANENT MAGNET TYPE ROTOR AND MANUFACTURING METHOD OF THEREFOR

A PERMANENT MAGNET TYPE ROTOR COMPRISES AN INNER MEMBER (2) HAVING AN OUTER RING PORTION (2L); AN APPROXIMATELY ANNULAR OUTER MEMBER (L) HAVING SOFT MAGNETISM AND AN INNER CIRCUMFERENCE CONTACTING WITH AN OUTER CIRCUMFERENCE OF THE OUTER RING PORTION; AND PLURAL PERMANENT MAGNETS (3) DISPOSED AT EQU...

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Main Authors KAZUO ASAKA, KENJI FUKUDA, TOMOAKI ARAKAWA, TATSURO HORIE, HIROMITSU SATO, TSUYOSHI KAGAYA, HIROHISA OGAWA, AKIHIRO OKAMURA, TOSHIYASU KOMATSU, SATORU SHINZAKI, YOUICHI NAKAHARA, KATSUAKI SATO
Format Patent
LanguageEnglish
Published 28.11.2008
Subjects
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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Summary:A PERMANENT MAGNET TYPE ROTOR COMPRISES AN INNER MEMBER (2) HAVING AN OUTER RING PORTION (2L); AN APPROXIMATELY ANNULAR OUTER MEMBER (L) HAVING SOFT MAGNETISM AND AN INNER CIRCUMFERENCE CONTACTING WITH AN OUTER CIRCUMFERENCE OF THE OUTER RING PORTION; AND PLURAL PERMANENT MAGNETS (3) DISPOSED AT EQUAL INTERVALS ON THE OUTER CIRCUMFERENCE OF THE OUTER MEMBER TOWARD THE CIRCUMFERENTIAL DIRECTION. AT LEAST ONE OF THE INNER MEMBER (2) AND THE OUTER MEMBER (1) IS MADE FROM A SINTERED MATERIAL, AND THE INNER MEMBER (2) AND THE OUTER MEMBER (1) ARE MUTUALLY SINTERED AND BONDED. THICKNESS AND WEIGHT OF A DYNAMOTOR ITSELF CAN BE REDUCED AND HIGH OUTPUT AND HIGH EFFICIENCY CAN BE ACHIEVED.FIGURE 1A
Bibliography:Application Number: MY2002PI03294