PERMANENT MAGNET TYPE ROTATING ELECTRIC MACHINE AND MANUFACTURING METHOD OF THE SAME

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United States of America Patent

SERIAL NO

15906425

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A rotor core (21) in a permanent magnet type rotating electric machine (1) is formed by laminating a plurality of plate materials (21A), (21B), (21C), and (21D) and includes one or a plurality of center bridges (26) formed between adjacent magnet slots (23) to couple an outer peripheral edge (24) and a core portion (25) together in one magnetic pole. Non-magnetic portions (30) are formed at a part or all of the one or the plurality of respective center bridges (26). Insulation films (32) are disposed on surfaces of parts other than regions where the non-magnetic portions (30) are formed on the plurality of respective plate materials (21A), (21B), (21C), and (21D) forming the rotor core (21).

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Patent Owner(s)

Patent OwnerAddress
FUJI ELECTRIC CO LTDKANAGAWA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imamori, Satoshi Hino, JP 5 2
Kubo, Toshikazu Hino, JP 3 43

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