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1. WO2022004481 - MAGNETIC POLE ELEMENT, ELECTRIC MOTOR, AND MAGNETIC POLE ELEMENT MANUFACTURING METHOD

Publication Number WO/2022/004481
Publication Date 06.01.2022
International Application No. PCT/JP2021/023538
International Filing Date 22.06.2021
IPC
H02K 21/24 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
21Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
12with stationary armatures and rotating magnets
24with magnets axially facing the armatures, e.g. hub-type cycle dynamos
H02K 1/27 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
H02K 1/22 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
CPC
H02K 1/22
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
H02K 1/27
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
H02K 21/24
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
21Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
12with stationary armatures and rotating magnets
24with magnets axially facing the armatures, e.g. hub-type cycle dynamos
Applicants
  • 株式会社神戸製鋼所 KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) [JP]/[JP]
Inventors
  • 辰巳 舞帆 TATSUMI, Maho
  • 林 俊平 HAYASHI, Shumpei
  • 笠井 信吾 KASAI, Shingo
Agents
  • 小谷 昌崇 KOTANI, Masataka
  • 小谷 悦司 KOTANI, Etsuji
  • 村松 敏郎 MURAMATSU, Toshiro
Priority Data
2020-11542603.07.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) MAGNETIC POLE ELEMENT, ELECTRIC MOTOR, AND MAGNETIC POLE ELEMENT MANUFACTURING METHOD
(FR) ÉLÉMENT DE PÔLE MAGNÉTIQUE, MOTEUR ÉLECTRIQUE ET PROCÉDÉ DE FABRICATION D'ÉLÉMENT DE PÔLE MAGNÉTIQUE
(JA) 磁極子、電動機、及び磁極子の製造方法
Abstract
(EN) Provided is a magnetic pole element capable of supporting a plurality of iron cores and a plurality of permanent magnets so as to be rotatable without deteriorating properties thereof. This magnetic pole element is provided with: a plurality of iron cores arrayed in a rotational direction; a plurality of permanent magnets arranged so as to face, among the outer surfaces of the iron cores, outer surfaces excluding open surfaces; and a support unit formed from a nonmagnetic material. The support unit includes an inner support member and an outer support member. A portion of the open surfaces is fixed to the inner and outer support members.
(FR) L'invention concerne un élément de pôle magnétique apte à supporter une pluralité de noyaux de fer et une pluralité d'aimants permanents de manière à pouvoir tourner sans détériorer leurs propriétés. Cet élément de pôle magnétique est pourvu : d'une pluralité de noyaux de fer disposés en réseau dans une direction de rotation ; d'une pluralité d'aimants permanents agencés de manière à faire face, parmi les surfaces externes des noyaux de fer, à des surfaces externes à l'exception de surfaces ouvertes ; et d'une unité de support formée à partir d'un matériau non magnétique. L'unité de support comprend un élément de support interne et un élément de support externe. Une partie des surfaces ouvertes est fixée aux éléments de support interne et externe.
(JA) 提供されるのは、特性を低下させることなく複数の鉄心及び複数の永久磁石を回転可能に支持することができる磁極子である。磁極子は、回転方向に配列された複数の鉄心と、複数の鉄心のそれぞれの複数の外面のうち開放面を除く外面と対向するように配置された複数の永久磁石と、非磁性材料にて成形された支持ユニットと、を備える。支持ユニットは、内側支持部材及び外側支持部材を含み、前記開放面の一部が内側支持部材及び外側支持部材に固定される。
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