H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 1/02 (2006.01) H01F 41/02 (2006.01) H02K 1/27 (2006.01) H02K 15/03 (2006.01)
Patent
CA 2432056
A permanent magnet type rotor comprises an inner member 2 having an outer ring portion 21; an approximately annular outer member 1 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 diffusion-bonded. Thickness and weight of a dynamotor itself can be reduced and high output and high efficiency can be achieved.
Rotor à aimant de type permanent et procédé de fabrication correspondant. Le rotor comprend un élément interne (2), un élément externe généralement annulaire à élément à aimantation temporaire, qui possède une surface périphérique interne entrant en contact avec la surface périphérique externe de la partie de l'anneau intérieur (21) de l'élément interne (2) et plusieurs aimants permanents (3) disposés à la surface périphérique externe de l'élément externe (1) à des intervalles réguliers dans une direction circulaire, au moins l'élément interne (2) ou l'élément externe (1) étant formés d'une matière frittée, le matériau interne (2) et le matériau externe (1) étant reliés par frittage. On peut construire un générateur moins épais à poids réduit, qui permet d'obtenir un rendement et une efficacité élevés.
Arakawa Tomoaki
Asaka Kazuo
Fukuda Kenji
Horie Tatsuro
Kagaya Tsuyoshi
Hitachi Powdered Metals Co. Ltd.
Honda Giken Kogyo Kabushiki Kaisha
Smart & Biggar
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