JP3530336B2 - Synchronous motor rotor - Google Patents

Synchronous motor rotor

Info

Publication number
JP3530336B2
JP3530336B2 JP07003397A JP7003397A JP3530336B2 JP 3530336 B2 JP3530336 B2 JP 3530336B2 JP 07003397 A JP07003397 A JP 07003397A JP 7003397 A JP7003397 A JP 7003397A JP 3530336 B2 JP3530336 B2 JP 3530336B2
Authority
JP
Japan
Prior art keywords
magnetic
rotor
subdivided
synchronous motor
paths
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP07003397A
Other languages
Japanese (ja)
Other versions
JPH10271779A (en
Inventor
政行 梨木
芳宜 大竹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Okuma Corp
Original Assignee
Okuma Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Okuma Corp filed Critical Okuma Corp
Priority to JP07003397A priority Critical patent/JP3530336B2/en
Publication of JPH10271779A publication Critical patent/JPH10271779A/en
Application granted granted Critical
Publication of JP3530336B2 publication Critical patent/JP3530336B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/24Rotor cores with salient poles ; Variable reluctance rotors
    • H02K1/246Variable reluctance rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Synchronous Machinery (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、同期電動機のロー
タに関し、円周方向に不均一な磁気抵抗分布を持つ構造
のロータの改良に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotor of a synchronous motor, and more particularly to improvement of a rotor having a nonuniform magnetic resistance distribution in the circumferential direction.

【0002】[0002]

【従来の技術】図1,2は従来の同期電動機の4極のロ
ータを示した図である。高透磁率材料を成形したロータ
素片1には、スリット2に代表されるような複数のスリ
ットを成形することで、磁路3に代表されるような複数
の磁路を形成し、ロータの円方向に不均一な磁気抵抗分
布を発生させる。このような構成により、ロータ円周部
で低磁気抵抗部分が結集し、4個の磁極5〜8を形成す
る。これにより、ロータが回転磁界内で回転軸回りに回
転する。ロータ素片は、形状維持のため、隣接する磁路
が磁路3と磁路4のようにロータ外周部のごく一部で結
合部9を設け結合される。このように成形したロータ素
片1を回転軸方向に複数枚積層し、エンドリング10お
よび中間リング11にて挟み、ネジ軸12およびナット
13にて締結し、固定しロータを形成する。ロータは、
ヤキバメなどの方法にて回転軸14に結合される。
1 and 2 are diagrams showing a conventional four-pole rotor of a synchronous motor. By forming a plurality of slits typified by slits 2 in the rotor element 1 formed of a high magnetic permeability material, a plurality of magnetic paths typified by the magnetic path 3 are formed. Generates a non-uniform magnetic resistance distribution in the circular direction. With such a configuration, the low magnetic resistance portions are gathered at the circumferential portion of the rotor to form the four magnetic poles 5 to 8. As a result, the rotor rotates around the rotation axis within the rotating magnetic field. In order to maintain the shape of the rotor pieces, adjacent magnetic paths are connected to each other by providing a connecting portion 9 at only a small part of the outer peripheral portion of the rotor like the magnetic paths 3 and 4. A plurality of rotor pieces 1 thus formed are laminated in the rotation axis direction, sandwiched by the end ring 10 and the intermediate ring 11, fastened by the screw shaft 12 and the nut 13, and fixed to form a rotor. The rotor is
It is coupled to the rotating shaft 14 by a method such as a crepe.

【0003】[0003]

【発明が解決しようとする課題】しかし、上記従来のロ
ータにおいては、ロータの製作性、ロータ素片の扱い易
さなどの意味から、各磁路3,4を磁路と同材料の結合
部9にて結合した素片形状としているが、結合部9から
の漏れ磁束の増加を招き、磁極の磁気抵抗差が減少する
ため、同期電動機の発生トルクが低下するという問題が
あった。
However, in the conventional rotor described above, the magnetic paths 3 and 4 are formed of the same material as that of the magnetic paths in terms of the manufacturability of the rotor and the ease of handling the rotor pieces. Although the unit pieces are connected at 9, the leakage flux from the connecting portion 9 is increased, and the magnetic resistance difference between the magnetic poles is reduced, so that the torque generated by the synchronous motor is reduced.

【0004】本発明は、各磁路が磁気的に分離されたロ
ータ構造を実現し、性能の良好な同期電動機を提供する
ことを目的とする。
It is an object of the present invention to realize a rotor structure in which each magnetic path is magnetically separated, and to provide a synchronous motor having good performance.

【0005】[0005]

【課題を解決するための手段】前記目的を達成するため
本発明は、同期電動機のロータにおいて、高透磁率材料
による複数の細分化磁路と、ステンレスなどの非磁性材
料あるいは遠心力に対して強い方向すなわち回転軸の方
向に高透磁率材料を積層した部材と、エンドリグと、中
間リングとを用いて、組み付けあるいは溶接にてロータ
を形成する。
In order to achieve the above object, the present invention is directed to a rotor of a synchronous motor for a plurality of subdivided magnetic paths made of a high magnetic permeability material and a non-magnetic material such as stainless steel or centrifugal force. A rotor is formed by assembling or welding using a member in which high-permeability materials are laminated in the strong direction, that is, the direction of the rotation axis, the end rig, and the intermediate ring.

【0006】本発明によれば、同期電動機のロータにお
いて、各磁路は磁気的に分離した構造となる。従って、
磁極の磁気抵抗差を大きくすることができ、漏れ磁束に
よる発生トルクの低下を防ぐことができるので、性能の
良好な同期電動機の実現が可能となる。
According to the present invention, in the rotor of the synchronous motor, the magnetic paths are magnetically separated. Therefore,
Since the magnetic resistance difference between the magnetic poles can be increased and the generated torque can be prevented from lowering due to the leakage magnetic flux, a synchronous motor with good performance can be realized.

【0007】[0007]

【発明の実施の形態】以下、添付図面を参照しつつ本発
明の実施形態について説明する。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

【0008】図3,4は第1実施形態のロータの形状を
示した図である。高透磁率材料から成形された複数の細
分化磁路15〜18,47が、ロータ磁極間に磁気的に
導通し、回転軸方向に積層する。この回転軸は、大きな
磁気抵抗を有している。これらの複数の細分化磁路15
〜18,47とステンレス鋼材などの非磁性材料から成
る非磁性結合部材19〜21,48とが、互いに溶接2
2により一体化され、ロータを形成する。本実施形態に
おいては、複数の細分化磁路15〜18,47の間に非
磁性結合部材19〜21,48が存在するので、ロータ
の周方向で磁路と磁路の間に磁束が流れ易い結合部がな
くなる。このため、各細分化磁路15〜18,47が磁
気的に分離されたロータ構造となる。従って、磁極の円
周方向の磁気抵抗差を大きくすることができ、漏れ磁束
による発生トルクの低下を防ぐことができるので、性能
の良好な同期電動機の実現が可能となる。
3 and 4 are views showing the shape of the rotor of the first embodiment. The plurality of subdivided magnetic paths 15 to 18, 47 formed of a high magnetic permeability material are electrically connected between the rotor magnetic poles and are laminated in the rotation axis direction. This rotating shaft has a large magnetic resistance. These plural subdivided magnetic paths 15
˜18,47 and non-magnetic coupling members 19-21,48 made of non-magnetic material such as stainless steel are welded to each other 2
Are integrated by two to form a rotor. In this embodiment, since the non-magnetic coupling members 19 to 21, 48 are present between the plurality of subdivided magnetic paths 15 to 18, 47, magnetic flux flows between the magnetic paths in the circumferential direction of the rotor. There are no easy joints. Therefore, the subdivided magnetic paths 15 to 18 and 47 have a magnetically separated rotor structure. Therefore, the magnetic resistance difference in the circumferential direction of the magnetic poles can be increased, and the reduction of the generated torque due to the leakage magnetic flux can be prevented, so that the synchronous motor having good performance can be realized.

【0009】図5,6は第2実施形態のロータの形状を
示した図である。第1実施形態と同様に、高透磁率材料
から成形された複数の細分化磁路23〜26が、ロータ
磁極間に磁気的に導通し、回転軸方向に積層する。この
回転軸は、大きな磁気抵抗を有している。これらの複数
の細分化磁路23〜26とステンレス鋼材などの非磁性
材料から成る非磁性結合部材27〜29とは、互いに嵌
合関係にある嵌合部30を有している。従って、複数の
細分化磁路23〜26に非磁性結合部材27〜29を嵌
合部30を介して一体化できる。また、非磁性結合部材
27〜29は、複数の細分化磁路23〜26同様に、互
いに嵌合関係にある嵌合部33,34を有するエンドリ
ング31および中間リング32にて支持され、ネジ軸1
2およびナット13にて締結して一体化されて、ロータ
を形成する。本実施形態においては、複数の細分化磁路
23〜26の間に、非磁性結合部材27〜29が存在す
るので、ロータの周方向で磁路と磁路の間に磁束が流れ
易い結合部がなくなる。このため、各細分化磁路23〜
26が磁気的に分離されたロータ構造となる。従って、
磁極の円周方向の磁気抵抗差を大きくすることができ、
漏れ磁束による発生トルクの低下を防ぐことができるの
で、性能の良好な同期電動機の実現が可能となる。さら
に、嵌合部30,33,34を介する組立のみによりロ
ータの形成が可能であり、その作製が容易となる。また
第3実施形態として、回転軸方向に積層された複数の細
分化磁路23〜26と非磁性結合部材27〜29とを溶
接して一体化し、ロータを形成することも可能である。
5 and 6 are views showing the shape of the rotor of the second embodiment. Similar to the first embodiment, the plurality of subdivided magnetic paths 23 to 26 formed of a high magnetic permeability material are magnetically connected between the rotor magnetic poles and are laminated in the rotation axis direction. This rotating shaft has a large magnetic resistance. The plurality of subdivided magnetic paths 23 to 26 and the non-magnetic coupling members 27 to 29 made of a non-magnetic material such as stainless steel have a fitting portion 30 in a fitting relationship with each other. Therefore, the non-magnetic coupling members 27 to 29 can be integrated with the plurality of subdivided magnetic paths 23 to 26 via the fitting portion 30. Further, the non-magnetic coupling members 27 to 29 are supported by the end ring 31 and the intermediate ring 32 having the fitting portions 33 and 34 in a fitting relationship with each other similarly to the plurality of subdivided magnetic paths 23 to 26, and are screwed. Axis 1
2 and nut 13 are fastened and integrated to form a rotor. In the present embodiment, since the non-magnetic coupling members 27 to 29 are present between the plurality of subdivided magnetic paths 23 to 26, the coupling portion in which magnetic flux easily flows between the magnetic paths in the circumferential direction of the rotor. Disappears. Therefore, each subdivided magnetic path 23-
26 has a magnetically separated rotor structure. Therefore,
The magnetic resistance difference in the circumferential direction of the magnetic pole can be increased,
Since it is possible to prevent the generated torque from decreasing due to the leakage magnetic flux, it is possible to realize a synchronous motor with good performance. Further, the rotor can be formed only by assembling via the fitting portions 30, 33, 34, and the manufacturing thereof becomes easy. As a third embodiment, it is also possible to weld and integrate a plurality of subdivided magnetic paths 23 to 26 and nonmagnetic coupling members 27 to 29 stacked in the rotation axis direction to form a rotor.

【0010】図7,8は第4実施形態のロータの形状を
示した図である。第1実施形態と同様に高透磁率材料か
ら成形された複数の細分化磁路35〜38が、ロータ磁
極間に磁気的に導通し、回転軸方向に積層する。この回
転軸は、大きな磁気抵抗を有ている。同様にして、高透
磁率材料から成る積層部材39〜42を回転軸に平行に
積層する。この場合、複数の細分化磁路35〜38の外
周部に積層部材39〜42が嵌合部43を介して配置さ
れる。複数の細分化磁路35〜38は、積層部材39〜
42と互いに嵌合関係にある嵌合部46,47を有する
エンドリング44および中間リング45にて挟まれ、ネ
ジ軸12およびナット13にて締結されて一体化され、
ロータを形成する。本実施形態において、エンドリング
44および中間リング45は絶縁材料を用いることが好
適である。本実施形態では、スリット部に他の部材の挿
入がなく、ロータの周方向で磁路と磁路の間に磁束が流
れ易い結合部がなくなる。このため、各細分化磁路35
〜38が磁気的に分離されたロータ構造となる。従っ
て、磁極の円周方向の磁気抵抗差を大きくすることがで
き、漏れ磁束による発生トルクの低下を防ぐことができ
るので、性能の良好な同期電動機の実現が可能となる。
さらに、嵌合部43,45,46を介する組立のみによ
りロータの形成が可能であり、その作製が容易となる。
7 and 8 are views showing the shape of the rotor of the fourth embodiment. Similar to the first embodiment, the plurality of subdivided magnetic paths 35 to 38 formed of a high magnetic permeability material are magnetically connected between the rotor magnetic poles and are laminated in the rotation axis direction. This rotating shaft has a large magnetic resistance. Similarly, the laminated members 39 to 42 made of a high magnetic permeability material are laminated in parallel with the rotation axis. In this case, the laminated members 39 to 42 are arranged on the outer peripheral portions of the plurality of subdivided magnetic paths 35 to 38 via the fitting portion 43. The plurality of subdivided magnetic paths 35 to 38 are laminated members 39 to.
42 is sandwiched by an end ring 44 and an intermediate ring 45 having fitting portions 46 and 47 in a fitting relationship with each other, and fastened by a screw shaft 12 and a nut 13 to be integrated.
Form the rotor. In this embodiment, the end ring 44 and the intermediate ring 45 are preferably made of an insulating material. In this embodiment, there is no other member inserted in the slit portion, and there is no coupling portion in which magnetic flux easily flows between the magnetic paths in the circumferential direction of the rotor. Therefore, each subdivided magnetic path 35
˜38 has a magnetically separated rotor structure. Therefore, the magnetic resistance difference in the circumferential direction of the magnetic poles can be increased, and the reduction of the generated torque due to the leakage magnetic flux can be prevented, so that the synchronous motor having good performance can be realized.
Further, the rotor can be formed only by assembling through the fitting portions 43, 45, 46, and the manufacturing thereof becomes easy.

【0011】以上の実施形態では、4極の同期電動機の
ロータについて説明したが、4極以外についても同様に
本発明を適用可能である。また、実施形態の説明におい
て、第1実施形態では円形状の同期電動機のロータに
て、第2,3実施形態では磁極間に凹部を持つ突極形状
の同期電動機のロータにて説明を行ったが、どちらの同
期電動機のロータ形状またそれ以外の同期電動機のロー
タ形状においても、本発を適用可能である。また、磁路
形状は円弧以外でも、本発明を適用可能である。また、
結合部材の形態においては、その個数,形状および嵌合
部形状が実施形態異なっていても、本発明を適用可能で
ある。また、エンドリングおよび中間リングは円形でな
くとも、本発明を適用可能である。
Although the rotor of the synchronous motor having four poles has been described in the above embodiments, the present invention can be similarly applied to a rotor other than four poles. In the description of the embodiments, the rotor of the circular synchronous motor is described in the first embodiment, and the rotor of the salient pole synchronous motor having the concave portions between the magnetic poles is described in the second and third embodiments. However, the present invention can be applied to any of the synchronous motor rotor shapes or other synchronous motor rotor shapes. Further, the present invention can be applied to a magnetic path having a shape other than a circular arc. Also,
In the form of the connecting members, the present invention can be applied even if the number, the shape, and the shape of the fitting portion are different in the embodiments. The present invention can be applied even if the end ring and the intermediate ring are not circular.

【0012】[0012]

【発明の効果】以上のように、本発明によれば、ロータ
の周方向で磁路と磁路の間に磁束が流れ易い結合部がな
くなる。このため、各磁路が磁気的に分離された同期電
動機れ磁束による発生トルクの低下を防ぐことができ、
性能の良好な同期電動機の実現が可能となる。
As described above, according to the present invention, there is no coupling portion in which magnetic flux easily flows between magnetic paths in the circumferential direction of the rotor. Therefore, it is possible to prevent a decrease in generated torque due to the magnetic flux of the synchronous motor in which each magnetic path is magnetically separated,
It is possible to realize a synchronous motor with good performance.

【図面の簡単な説明】[Brief description of drawings]

【図1】 従来の4極の同期電動機のロータの断面形状
図である。
FIG. 1 is a cross-sectional view of a rotor of a conventional four-pole synchronous motor.

【図2】 従来の4極の同期電動機のロータの全体構成
図である。
FIG. 2 is an overall configuration diagram of a rotor of a conventional 4-pole synchronous motor.

【図3】 本発明の第1実施形態による同期電動機のロ
ータの断面形状図である。
FIG. 3 is a sectional shape view of a rotor of the synchronous motor according to the first embodiment of the present invention.

【図4】 本発明の第1実施形態による同期電動機のロ
ータの全体構成図である。
FIG. 4 is an overall configuration diagram of a rotor of the synchronous motor according to the first embodiment of the present invention.

【図5】 本発明の第2実施形態による同期電動機のロ
ータの断面形状図である。
FIG. 5 is a sectional shape view of a rotor of a synchronous motor according to a second embodiment of the present invention.

【図6】 本発明の第2実施形態による同期電動機のロ
ータの全体構成図である。
FIG. 6 is an overall configuration diagram of a rotor of a synchronous motor according to a second embodiment of the present invention.

【図7】 本発明の第4実施形態による同期電動機のロ
ータの断面形状図である。
FIG. 7 is a sectional shape view of a rotor of a synchronous motor according to a fourth embodiment of the present invention.

【図8】 本発明の第4実施形態による同期電動機のロ
ータの全体構成図である。
FIG. 8 is an overall configuration diagram of a rotor of a synchronous motor according to a fourth embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 ロータ素片、2 スリット、3,4 磁路、5〜8
磁極、9 結合部、10,31,44 エンドリン
グ、11,32,45 中間リング、12 ネジ軸、1
3 ナット、14 回転軸、15〜18,23〜26,
35〜38,47複数の細分化磁路、19〜21,27
〜29,48 結合部材、22 溶接、30,33,3
4,43,46,47 嵌合部、39〜42 積層部
材。
1 rotor element, 2 slits, 3, 4 magnetic path, 5-8
Magnetic poles, 9 coupling parts, 10, 31, 44 end rings, 11, 32, 45 intermediate rings, 12 screw shafts, 1
3 nuts, 14 rotating shafts, 15-18, 23-26,
35-38,47 a plurality of subdivided magnetic paths, 19-21,27
~ 29,48 coupling member, 22 welding, 30,33,3
4,43,46,47 Fitting part, 39-42 Laminated member.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平7−303357(JP,A) 米国特許4888513(US,A) 米国特許4110646(US,A) 米国特許4459502(US,A) 米国特許3671789(US,A) (58)調査した分野(Int.Cl.7,DB名) H02K 19/10 H02K 1/24 ─────────────────────────────────────────────────── --Continued front page (56) Reference JP-A-7-303357 (JP, A) US Patent 4888513 (US, A) US Patent 4110646 (US, A) US Patent 4459502 (US, A) US Patent 3671789 (US, A) (58) Fields investigated (Int.Cl. 7 , DB name) H02K 19/10 H02K 1/24

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 円周方向に不均一な磁気抵抗分布を持
ち、低磁気抵抗部分にロータ磁極を形成して回転磁界内
で回転軸回りに回転する同期電動機のロータにおいて、 ロータ磁極間に磁気的に導通し、大きな磁気抵抗を持つ
回転軸の方向に積層された複数の細分化磁路と、 上記細分化磁路の間に配置され、細分化磁路と互いに溶
接により一体化された非磁性の部材からなる非磁性結合
部材と、を備えることを特徴とする同期電動機のロー
タ。
1. In a rotor of a synchronous motor, which has a non-uniform magnetic resistance distribution in the circumferential direction, forms a rotor magnetic pole in a low magnetic resistance portion, and rotates around a rotation axis in a rotating magnetic field, a magnetic field is generated between rotor magnetic poles. Electrically connected to each other and arranged between the plurality of subdivided magnetic paths laminated in the direction of the rotation axis having a large magnetic resistance, and the non-submerged magnetic paths that are integrated with each other by welding. A non-magnetic coupling member made of a magnetic member, and a rotor for a synchronous motor.
【請求項2】 円周方向に不均一な磁気抵抗分布を持
ち、低磁気抵抗部分にロータ磁極を形成して回転磁界内
で回転軸回りに回転する同期電動機のロータにおいて、 ロータ磁極間に磁気的に導通し、大きな磁気抵抗を持つ
回転軸の方向に積層された複数の細分化磁路と、 上記細分化磁路の間に配置され、細分化磁路と嵌合関係
にある嵌合部を持ち、かつエンドリングおよび中間リン
グとも嵌合関係にある嵌合部を持ち、細分化磁路とエン
ドリングと中間リングとを締結して一体化する非磁性の
部材からなる非磁性結合部材と、を備えることを特徴と
する同期電動機のロータ。
2. In a rotor of a synchronous motor that has a non-uniform magnetic resistance distribution in the circumferential direction, forms a rotor magnetic pole in a low magnetic resistance portion, and rotates around a rotation axis in a rotating magnetic field, a magnetic field is generated between rotor magnetic poles. Electrically connected to each other and a plurality of subdivided magnetic paths laminated in the direction of the rotating shaft having a large magnetic resistance, and a fitting portion arranged between the subdivided magnetic paths and having a fitting relationship with the subdivided magnetic path. And a non-magnetic coupling member made of a non-magnetic member that has a fitting portion that also has a fitting relationship with the end ring and the intermediate ring, and that fastens and integrates the subdivided magnetic path, the end ring, and the intermediate ring. A rotor for a synchronous motor, comprising:
【請求項3】 請求項2記載の同期電動機のロータにお
いて、非磁性結合部材は、細分化磁路とエンドリングと
中間リングとを互いに溶接により一体化すること、を特
徴とする同期電動機のロータ。
3. The rotor for a synchronous motor according to claim 2, wherein the non-magnetic coupling member integrates the subdivided magnetic path, the end ring, and the intermediate ring by welding to each other. .
【請求項4】 円周方向に不均一な磁気抵抗分布を持
ち、低磁気抵抗部分にロータ磁極を形成して回転磁界内
で回転軸回りに回転する同期電動機のロータにおいて、 ロータ磁極間に磁気的に導通し、大きな磁気抵抗を持つ
回転軸の方向に積層された複数の細分化磁路と、 回転軸と平行に積層され、上記複数の細分化磁路の外周
部に嵌合部を介して配置され、細分化磁路と嵌合関係に
ある嵌合部を持ち、かつ絶縁材料からなるエンドリング
および中間リングとも嵌合関係にある嵌合部を持ち、細
分化磁路とエンドリングと中間リングとを締結して一体
化する、細分化磁路と同材料の部材からなる積層結合部
材と、を備えることを特徴とする同期電動機のロータ。
4. In a rotor of a synchronous motor, which has a non-uniform magnetic resistance distribution in the circumferential direction, forms a rotor magnetic pole in a low magnetic resistance portion, and rotates around a rotation axis in a rotating magnetic field, a magnetic field is generated between rotor magnetic poles. Electrically connected to each other, and a plurality of subdivided magnetic paths laminated in the direction of the rotating shaft having a large magnetic resistance, and laminated in parallel with the rotating shaft, with a fitting portion on the outer periphery of the plurality of subdivided magnetic paths. And the fitting portion that has a fitting relationship with the subdivided magnetic path and that also has a fitting relationship with the end ring and the intermediate ring made of an insulating material. A rotor for a synchronous motor, comprising: a subdivided magnetic path, which is fastened and integrated with an intermediate ring, and a laminated coupling member made of the same material.
JP07003397A 1997-03-24 1997-03-24 Synchronous motor rotor Expired - Fee Related JP3530336B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP07003397A JP3530336B2 (en) 1997-03-24 1997-03-24 Synchronous motor rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07003397A JP3530336B2 (en) 1997-03-24 1997-03-24 Synchronous motor rotor

Publications (2)

Publication Number Publication Date
JPH10271779A JPH10271779A (en) 1998-10-09
JP3530336B2 true JP3530336B2 (en) 2004-05-24

Family

ID=13419888

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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JP (1) JP3530336B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3507395B2 (en) 2000-03-03 2004-03-15 株式会社日立製作所 Rotating electric machine and electric vehicle using the same
US7489062B2 (en) 2005-11-14 2009-02-10 General Electric Company Synchronous reluctance machine with a novel rotor topology
FI118940B (en) * 2006-09-27 2008-05-15 Abb Oy Electric machine rotor
EP2465182A1 (en) * 2009-08-14 2012-06-20 ABB Research Ltd. Modular rotor for synchronous reluctance machine
EP2790296A1 (en) * 2013-04-12 2014-10-15 Siemens Aktiengesellschaft Reluctance motor with stabilized rotor
WO2014166826A2 (en) * 2013-04-11 2014-10-16 Siemens Aktiengesellschaft Reluctance motor comprising a stabilized rotor
WO2014166674A2 (en) * 2013-04-11 2014-10-16 Siemens Aktiengesellschaft Reluctance motor and associated rotor
CN110365179B (en) 2013-04-12 2022-07-01 西门子公司 Rotor for a reluctance machine and electric drive
CN104242504A (en) * 2014-08-22 2014-12-24 杭州易泰达科技有限公司 Rotor of synchronous reluctance motor
EP3070824A1 (en) * 2015-03-19 2016-09-21 Siemens Aktiengesellschaft Rotor of a synchronous reluctance machine
US20160294236A1 (en) * 2015-04-01 2016-10-06 General Electric Company System and method for supporting laminations of synchronous reluctance motors
DE102016203697B4 (en) * 2016-03-07 2022-06-15 Lenze Se Rotor for a synchronous reluctance machine
WO2021024517A1 (en) * 2019-08-05 2021-02-11 三菱電機株式会社 Rotor for rotary electric machine, rotary electric machine, manufacturing method for rotor of rotary electric machine, and manufacturing method for rotary electric machine

Also Published As

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