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1. WO2016139991 - RELUCTANCE MOTOR, AND METHOD FOR MANUFACTURING ROTOR CORE USED IN RELUCTANCE MOTOR

Publication Number WO/2016/139991
Publication Date 09.09.2016
International Application No. PCT/JP2016/052473
International Filing Date 28.01.2016
IPC
H02K 1/22 2006.01
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 1/24 2006.01
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
24Rotor cores with salient poles
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 1/24
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
24Rotor cores with salient poles ; ; Variable reluctance rotors
H02K 1/246
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
24Rotor cores with salient poles ; ; Variable reluctance rotors
246Variable reluctance rotors
H02K 1/276
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
2706Inner rotor
272where the magnetisation axis of the magnets is radial or tangential
274consisting of a plurality of circumferentially positioned magnets
2753consisting of magnets or groups of magnets arranged with alternating polarity
276Magnets embedded in the magnetic core
H02K 2213/03
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
2213Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
03Machines characterised by numerical values, ranges, mathematical expressions or similar information
H02K 29/03
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
29Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
03with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
Applicants
  • 三菱電機株式会社 MITSUBISHI ELECTRIC CORPORATION [JP]/[JP]
Inventors
  • 伊藤 一将 ITO, Kazumasa
  • 山口 信一 YAMAGUCHI, Shinichi
  • 米谷 晴之 KOMETANI, Haruyuki
  • 中野 正嗣 NAKANO, Masatsugu
  • 阿知和 典弘 ACHIWA, Norihiro
  • 前田 美樹 MAEDA, Yoshiki
  • 原川 雅哉 HARAKAWA, Masaya
Agents
  • 曾我 道治 SOGA, Michiharu
Priority Data
2015-04112203.03.2015JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) RELUCTANCE MOTOR, AND METHOD FOR MANUFACTURING ROTOR CORE USED IN RELUCTANCE MOTOR
(FR) MOTEUR À RÉLUCTANCE ET PROCÉDÉ DE FABRICATION DE NOYAU DE ROTOR UTILISÉ DANS UN MOTEUR À RÉLUCTANCE
(JA) リラクタンスモータ、およびリラクタンスモータに用いられるロータコアの製造方法
Abstract
(EN)
With regard to the shape of slot end parts in a rotor core having as many flux barriers in the circumferential direction as the number of poles, the flux barriers being formed by alternately arranging one or more slits and core layers in the radial direction, the slit end parts are shaped so that δg i and εg i satisfy a predetermined formula, these variables representing the spacing between the first slit end to the ith slit end on the same direction side when viewed in the circumferential direction, where mg represents the number of slot end parts, ni represents a natural number equal to or greater than 1, α and β represent a number in the range of ‒1/4 to 1/4, q represents a natural number equal to or greater than 1, and Ns represents the number of slots.
(FR)
Selon la présente invention, en ce qui concerne la forme de parties d'extrémité d'encoche dans un noyau de rotor ayant autant de barrières de flux dans la direction circonférentielle que le nombre de pôles, les barrières de flux étant formées par agencement en alternance d'une ou de plusieurs fentes et couches de noyau dans la direction radiale, les parties d'extrémité de fente sont façonnées afin que δg i et εg i satisfassent une formule prédéterminée, ces variables représentant l'espacement entre la première extrémité de fente et la i-ième extrémité de fente du même côté, quand on regarde dans la direction circonférentielle, mg représentant le nombre de parties d'extrémité d'encoche, ni représentant un entier naturel supérieur ou égal à 1, α et β représentant un nombre compris dans la plage de ‒1/4 à 1/4, q représentant un entier naturel supérieur ou égal à 1, et Ns représentant le nombre d'encoches.
(JA)
 1つ以上のスリットとコア層とを径方向に交互に並べて形成したフラックスバリアを周方向に極数分有するロータコアにおけるスロットの端部形状に関して、mgをスロット端部の個数、niを1以上の自然数、α、βを-1/4~1/4の範囲の数、qを1以上の自然数、Nsをスロット数とした場合に、周方向に見て同一方向側のスリット壁の1番スリット端からi番スリット端までの間隔であるδgiおよびεgiが、特定の数式を満たすように、スリットの端部形状が形成されている。
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