JP2003259573A - Permanent magnet rotatary electric machine having concentrated winding split stator - Google Patents
Permanent magnet rotatary electric machine having concentrated winding split statorInfo
- Publication number
- JP2003259573A JP2003259573A JP2002054060A JP2002054060A JP2003259573A JP 2003259573 A JP2003259573 A JP 2003259573A JP 2002054060 A JP2002054060 A JP 2002054060A JP 2002054060 A JP2002054060 A JP 2002054060A JP 2003259573 A JP2003259573 A JP 2003259573A
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- Japan
- Prior art keywords
- stator
- electric machine
- permanent magnet
- cut
- rotating electric
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 102100033029 Carbonic anhydrase-related protein 11 Human genes 0.000 description 1
- 101000867841 Homo sapiens Carbonic anhydrase-related protein 11 Proteins 0.000 description 1
- 101001075218 Homo sapiens Gastrokine-1 Proteins 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は，小型で、かつ高トルク
の出力が得られる永久磁石回転電機に関し，特にコギン
グトルクが小さく、高効率が得られる集中巻分割固定子
を有する永久磁石回転電機を提供するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a permanent magnet rotating electric machine that is small in size and capable of obtaining a high torque output, and more particularly to a permanent magnet rotating electric machine having a concentrated winding split stator that provides a small cogging torque and high efficiency. Is provided.
【０００２】[0002]
【従来の技術】外転型モータの内周から外周へ向かう方
向に放射状に配置された固定子磁極に左右に張出したポ
ールピースを有した回転機の固定子鉄心において左右に
張出したポールピースの先端にはカットをつけていない
ので先端部厚みが厚かった。2. Description of the Related Art In a stator core of a rotating machine, which has pole pieces extending left and right on a stator magnetic pole radially arranged in a direction from an inner circumference to an outer circumference of an outer rotation type motor, Since the tip was not cut, the thickness of the tip was thick.
【０００３】特に，固定子磁極の左右に張出したポール
ピース間の隙間であるスロットオープンが、スロットに
巻線される電線よりも狭くなる構成では、隣接する固定
子磁極間で大きな漏れインダクタンスが発生していた。In particular, in a structure in which the slot opening, which is a gap between the pole pieces extending to the left and right of the stator magnetic pole, is narrower than the electric wire wound in the slot, a large leakage inductance occurs between the adjacent stator magnetic poles. Was.
【０００４】[0004]
【発明が解決しようとする課題】上記固定子のもので
は，漏れインダクタンスが増大して，そのインピーダン
ス降下により，回転数が低下し，モータ効率を低減させ
ていた。また，巻線を巻回するスロット面積が小さく，
巻線占積率を大きくすることができない。本発明は，漏
れインピーダンス値を低減し，高巻線占積率を確保する
ことで，小型化，高出力，高効率な回転電機を提供する
ことにある。In the stator described above, the leakage inductance increases, and the impedance drop causes a reduction in the rotational speed and a reduction in motor efficiency. In addition, the slot area for winding the winding is small,
The winding space factor cannot be increased. An object of the present invention is to provide a rotating electric machine that is small in size, high in output, and highly efficient by reducing the leakage impedance value and ensuring a high winding space factor.
【０００５】[0005]
【問題を解決するための手段】本発明の集中巻分割固定
子を有する永久磁石回転電機では上述の課題を解決する
ために，内周から外周へ向かう方向に配置された固定子
磁極に左右に張出したポールピースを有した回転電機の
固定子鉄心において、その固定子鉄心を複数のブロック
に分割して再組立する構造を有し、前記左右のポールピ
ースの内周側の両端をカットしたことを特徴とする集中
巻分割固定子を有する永久磁石回転電機を構成した。In order to solve the above-mentioned problems, a permanent magnet rotating electric machine having a concentrated winding split stator according to the present invention has a stator magnetic pole arranged in the direction from the inner circumference to the outer circumference to the left and right. In a stator core of a rotary electric machine having an overhanging pole piece, the stator core has a structure in which the stator core is divided into a plurality of blocks and reassembled, and both ends on the inner peripheral side of the left and right pole pieces are cut. And a permanent magnet rotating electric machine having a concentrated winding split stator.
【０００６】このように構成することにより，コギング
トルクが小さく、隣接する固定子磁極間の漏れインダク
タンスが低減し，そのインピーダンス降下の値が小さく
なり，モータ効率が向上し、小型化，高出力化が実現で
きる。更に，スロット面積も拡大されるので，巻線占積
率を向上することができる。With this configuration, the cogging torque is small, the leakage inductance between the adjacent stator magnetic poles is reduced, the value of the impedance drop is reduced, the motor efficiency is improved, the size is reduced, and the output is increased. Can be realized. Furthermore, since the slot area is also expanded, the winding space factor can be improved.
【０００７】また，請求項2記載のポールピース内外周
の両側をカットしたことを特徴とする集中巻分割固定子
を有する永久磁石回転電機を構成することで、更にコギ
ングトルクが小さく，更にポールピースの先端部の厚み
も薄くなるので隣接する固定子磁極間の漏れインダクタ
ンスが低減し，モータ効率が向上し，小型化，高出力が
実現できる。Further, by constructing a permanent magnet rotating electric machine having a concentrated winding split stator characterized in that both sides of the inside and outside of the pole piece according to claim 2 are cut, the cogging torque is further reduced, and the pole piece is further reduced. Since the thickness of the tip of the motor is also thin, the leakage inductance between adjacent stator magnetic poles is reduced, the motor efficiency is improved, and the miniaturization and high output can be realized.
【０００８】また，請求項3記載の内転型モータの固定
子磁極に左右に張出したポールピースを有した回転電機
の固定子鉄心において，固定子鉄心を複数のブロックに
分割して再組立てする構造を有し，前記左右のポールピ
ース先端の外周側又は外内周側の両方をカットしたこと
を特徴とする集中巻分割固定子を有する永久磁石回転電
機とすることで，内転型モータにおいても漏れインダク
タンスが低減し，回転数の低下も小さくなるので高出
力，高効率化が得られる。更に，巻線占積率も高くな
る。Further, in a stator core of a rotating electric machine having a pole piece extending laterally to a stator magnetic pole of an adder type motor according to claim 3, the stator core is divided into a plurality of blocks and reassembled. In the inner rotor type motor, a permanent magnet rotating electric machine having a concentrated winding split stator having a structure in which both the outer peripheral side and the outer inner peripheral side of the left and right pole pieces are cut is provided. In addition, the leakage inductance is reduced and the reduction in rotation speed is reduced, resulting in higher output and higher efficiency. In addition, the winding space factor also increases.
【０００９】請求項4記載のＭ個の固定子磁極とＰ個の
永久磁石数をＭ：Ｐ＝６ｎ：６ｎ±２(ｎは２以上の整
数)に構成し，左右に張出したポールピースの内外周側
の両端をカットしたことを特徴とする請求項1記載の集
中巻固定子を有する構成とした。このような構成にする
と，最小公倍数が大きくなることにより，コギングトル
クは更に小さく，漏れインダクタンスも低減し，回転数
の低下も小さくなり，モータ効率が向上し，小型化，高
出力の回転電機が実現できる。According to a fourth aspect of the present invention, there are M stator magnetic poles and P permanent magnets each having a number of M: P = 6n: 6n ± 2 (n is an integer of 2 or more), and the pole pieces are projected to the left and right. The structure having the concentrated winding stator according to claim 1, wherein both ends on the inner and outer peripheral sides are cut. With such a configuration, the least common multiple becomes large, the cogging torque becomes smaller, the leakage inductance decreases, the decrease in rotation speed also decreases, the motor efficiency improves, the miniaturization, and the high-output rotating electric machine are reduced. realizable.
【００１０】[0010]
【発明の実施の形態】以下，図面によって本発明の実施
例を示す。図1は本発明にかかるスロット数１２で極数
１０極の３相の集中巻分割固定子を有する外転型永久磁
石回転電機の形態を示す軸方向断面図である。図１にお
いて，電動機１は固定子２と回転子３と基板４からな
る。固定子２は，固定子鉄心５と３相の集中巻された固
定子巻線６で構成され，固定子２は円筒状のハウジング
１３に取り付けられる。回転子３は，コ字状の磁性材か
らなるホルダー７と固定子鉄心５と空隙８を介して対向
するリング状の例えば，フェライト系のプラスティック
永久磁石９がホルダー７の内周部に配置されている。ホ
ルダー７は，アルミ又はシンチュウ材からなるブッシュ
１９に嵌合又はコーキングかしめ等で固定され，ブッシ
ュ１９はシャフト１１のローレット部１２に圧入されて
いる。この時、ブッシュ１９が無く，ホルダー７とシャ
フト１１が直接結合することも可能である。カバー１０
には，永久磁石９の軸方向端面１８と対向する如く基板
４がカバー１０の突起１７に取り付けられる。回転子３
はカバー１０との間にボールベアリング１４を介して配
置され，イタバネ１５で軸方向のスラストを調整し，止
め輪１６で固定される。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an axial sectional view showing a form of an outer rotation type permanent magnet rotating electric machine having a three-phase concentrated winding split stator having 12 slots and 10 poles according to the present invention. In FIG. 1, the electric motor 1 comprises a stator 2, a rotor 3 and a substrate 4. The stator 2 is composed of a stator core 5 and a stator winding 6 which is concentratedly wound in three phases, and the stator 2 is attached to a cylindrical housing 13. The rotor 3 has a holder 7 made of a U-shaped magnetic material, a stator iron core 5 and a ring-shaped, for example, a ferrite plastic permanent magnet 9 facing each other with a gap 8 disposed inside the holder 7. ing. The holder 7 is fitted or fixed to a bush 19 made of aluminum or Shinchu material by caulking or caulking, and the bush 19 is press-fitted into the knurled portion 12 of the shaft 11. At this time, the holder 7 and the shaft 11 may be directly coupled without the bush 19. Cover 10
The substrate 4 is attached to the protrusion 17 of the cover 10 so as to face the axial end surface 18 of the permanent magnet 9. Rotor 3
Is arranged between the cover 10 and the cover 10 through a ball bearing 14, the axial spring 15 adjusts the axial thrust, and the retaining ring 16 fixes the thrust.
【００１１】図２は，本発明の永久磁石回転電機の固定
子と回転子の径方向断面図である。固定子２は，円周方
向に１２個の複数に分割する構造を有し，その分割され
た固定子磁極２０のそれぞれが内周側に配置される円筒
状のハウジング１３に結合されている。FIG. 2 is a radial cross-sectional view of the stator and the rotor of the permanent magnet rotating electric machine of the present invention. The stator 2 has a structure in which it is divided into a plurality of 12 pieces in the circumferential direction, and each of the divided stator magnetic poles 20 is coupled to a cylindrical housing 13 arranged on the inner peripheral side.
【００１２】固定子２は，円筒状のハウジングに放射状
に配置された２０ａから２０Ｌでなる１２個に分割され
た固定子磁極２０と，永久磁石９方向に配置した左右に
張出したポールピース２１からなる。左右のポールピー
スの張出し量は同寸法，左右のポールピースの内周側の
両端は，カットされている。固定子巻線６は１２個の各
固定子磁極毎にそれぞれ集中的に巻回される。The stator 2 is composed of twelve stator poles 20 of 20a to 20L which are radially arranged in a cylindrical housing, and a pole piece 21 which is arranged in the direction of the permanent magnet 9 and extends laterally. Become. The left and right pole pieces have the same amount of overhang, and the inner ends of the left and right pole pieces are cut. The stator winding 6 is concentratedly wound on each of the 12 stator magnetic poles.
【００１３】図７は従来の複数に分割された固定子磁極
の先端形状図である。固定子磁極２０の左右に張出した
ポールピース２１の内，外周ともカットしていない。こ
のため，先端の厚みｔ２が厚いので漏れインダクタンス
が大きく，回転数の低下も大きくなり効率が小さい。更
に，カットがないため磁束も急峻に変化するので，スロ
ット数１２で極数１０極の最小公倍数の大きな構造とし
てもコギングトルクは大きい。FIG. 7 is a view of the tip shape of a conventional stator magnetic pole divided into a plurality of pieces. The pole piece 21 extending to the left and right of the stator magnetic pole 20 is not cut either inside or outside. For this reason, since the thickness t2 of the tip is large, the leakage inductance is large, the reduction of the rotation speed is large, and the efficiency is small. Further, since there is no cut, the magnetic flux changes abruptly, so the cogging torque is large even if the structure has a large least common multiple of 12 slots and 10 poles.
【００１４】図３は複数に分割された固定子磁極２０の
左右に張出したポールピース２１の内周側にカット２２
を設けた拡大図である。内周側にカットを設けたこと
で，ポールピース先端厚みｔが薄くなり，隣接する固定
子磁極間の漏れインダクタンスが小さくなる。また、ポ
ールピースの内周側にカット２２を設けることでスロッ
ト面積が広がり、巻線を更に巻回できる。In FIG. 3, a cut 22 is formed on the inner peripheral side of a pole piece 21 extending to the left and right of a stator pole 20 divided into a plurality of pieces.
It is an enlarged view which provided. By providing the cut on the inner peripheral side, the tip thickness t of the pole piece becomes thin, and the leakage inductance between the adjacent stator magnetic poles becomes small. Further, by providing the cut 22 on the inner peripheral side of the pole piece, the slot area is expanded and the winding can be further wound.
【００１５】図４は複数に分割された固定子磁極２０の
左右に張出したポールピース２１の内外周側にカット２
２と２３を設けた形状である。内外周側にカット２２と
２３を設けることで，更に厚みｔ１が薄くなり，磁束の
変化も緩やかとなり，コギングトルク値が更に小さくな
る。また，ポールピース先端厚みｔ１が薄くなったこと
により，漏れインダクタンスを大幅に低減させる。ま
た、ポールピースの内周側にカット２２を設けることで
スロット面積が広がり，巻線を更に巻回できる。FIG. 4 shows a cut piece 2 formed on the inner and outer peripheral sides of a pole piece 21 extending to the left and right of a stator pole 20 divided into a plurality of pieces.
It is a shape provided with 2 and 23. By providing the cuts 22 and 23 on the inner and outer peripheral sides, the thickness t1 is further reduced, the change of the magnetic flux is made gentle, and the cogging torque value is further reduced. In addition, since the tip thickness t1 of the pole piece is reduced, the leakage inductance is greatly reduced. Further, by providing the cut 22 on the inner peripheral side of the pole piece, the slot area is expanded and the winding can be further wound.
【００１６】図５に内転型モータの複数に分割された固
定子磁極２０の左右に張出したポールピース２１の内周
側及び外周側にカット２２ａ，２３ａを設けた拡大図を
示す。効果は外転型と同じである。また，当然外周側の
みにカット２３ａを設けても良い。FIG. 5 is an enlarged view showing cuts 22a and 23a provided on the inner and outer peripheral sides of the pole piece 21 extending to the left and right of the stator pole 20 divided into a plurality of parts of the inner rotor type motor. The effect is the same as the abduction type. Further, the cut 23a may be provided only on the outer peripheral side.
【００１７】図６に示すように，スロットオープンｓが
極端に狭い(0.2〜1.0mm)構成において，ポールピース２
２の内周側及び外周側の両方をカットすれば，漏れイン
ダクタンスを大幅に低減できる。As shown in FIG. 6, when the slot opening s is extremely narrow (0.2 to 1.0 mm), the pole piece 2
By cutting both the inner and outer peripheral sides of 2, the leakage inductance can be greatly reduced.
【００１８】外転型の内周又は内，外周，内転型の外周
又は内，外周に設けたカット幅Ｗ1は図3に示すようにモ
ータトルクをさほど低減せず，コギングトルクを小さく
し，漏れインダクタンスを低減させ，巻線占積率を高め
るため，ポールピース幅Ｗの半分以下が良い。As shown in FIG. 3, the cut width W1 provided on the inner circumference or inner or outer circumference of the outer rotation die or on the outer circumference or inner or outer circumference of the inner rotation die does not significantly reduce the motor torque but reduces the cogging torque. In order to reduce the leakage inductance and increase the winding space factor, the pole piece width W should be less than half.
【００１９】本発明は分割コア構造で述べたが，分割し
ていない外転，内転型モータに適用しても同様の効果が
得られる。Although the present invention has been described with respect to the split core structure, the same effect can be obtained by applying it to an abduction and inversion type motor which is not split.
【００２０】[0020]
【発明の効果】本発明によれば，内周から外周へ向かう
方向に配置された固定子磁極に左右に張出したポールピ
ースを有した外転型回転機の固定子鉄心において、固定
子鉄心を複数のブロックに分割して1個ずつ巻回したあ
と再組立する構造を有し、前記ポールピースの内周側の
両端を内周側又は内周及び外周側の両方をカットしたこ
とにより，ポールピース先端厚みが薄くなることにより
漏れインダクタンスが低減される。このため，インピー
ダンス降下が小さくなるので，トルクに対する回転数の
低下が減少し，モータの高効率化が得られる。更に，内
周側をカットしたことにより，巻線を巻回する面積も増
えるので，巻線の占積率が大きくなり，太線化又は巻回
数増加が得られるので，回転機の小型化，高出力化，高
効率化，高トルク化が得られる。また，内転型モータに
おいても同様の効果が得られる。According to the present invention, in the stator core of the outer rotation type rotary machine having the pole pieces which are laterally extended to the stator magnetic poles arranged in the direction from the inner circumference to the outer circumference, the stator core is It has a structure in which it is divided into a plurality of blocks and wound one by one, and then reassembled. By cutting both ends on the inner peripheral side of the pole piece on the inner peripheral side or on both the inner peripheral side and the outer peripheral side, By reducing the thickness of the tip of the piece, the leakage inductance is reduced. As a result, the impedance drop is reduced, and the decrease in the number of revolutions with respect to torque is reduced, resulting in higher motor efficiency. Furthermore, by cutting the inner circumference side, the winding area of the winding also increases, so the space factor of the winding increases, and a thicker wire or more windings can be obtained. Higher output, higher efficiency, and higher torque can be obtained. In addition, the same effect can be obtained with an adder type motor.
【図１】本発明の外転型永久磁石回転電機の軸方向断面
図を示す。FIG. 1 shows an axial sectional view of an outer rotor permanent magnet rotating electric machine of the present invention.
【図２】本発明の内転型永久磁石回転電機の径方向断面
図を示す。FIG. 2 shows a radial cross-sectional view of an inner-rotating permanent magnet rotating electric machine of the present invention.
【図３】本発明の外転型永久磁石回転電機の固定子磁極
拡大図を示す。FIG. 3 is an enlarged view of a stator magnetic pole of the outer rotation type permanent magnet rotating electric machine of the present invention.
【図４】本発明の外転型永久磁石回転電機の固定子磁極
拡大図を示す。FIG. 4 is an enlarged view of a stator magnetic pole of the outer rotation type permanent magnet rotating electric machine of the present invention.
【図５】本発明の内転型永久磁石回転電機の固定子磁極
形状図を示す。FIG. 5 shows a stator magnetic pole shape diagram of the adder-type permanent magnet rotating electric machine of the present invention.
【図６】スロットオープンが狭い外転型回転電機の固定
子磁極形状図を示す。FIG. 6 shows a stator magnetic pole shape diagram of an outer rotation type rotary electric machine having a narrow slot opening.
【図７】従来の永久磁石回転電機の固定子磁極形状図を
示す。FIG. 7 shows a shape of a stator magnetic pole of a conventional permanent magnet rotating electric machine.
１ 電動機 ２ 固定子 ３ 回転子 ４ 基板 ５ 固定子鉄心 ６ 固定子巻線 ７ ホルダー ８ 空隙 ９ 永久磁石 １０ カバー １１ シャフト １２ ローレット部 １３ ハウジング １４ ボールベアリング １５ イタバネ １６ 止め輪 １７ カバーの突起 １８ 永久磁石の軸方向端面 １９ ブッシュ ２０ 固定子磁極 ２１ ポールピース ２２ ポールピース内周側カット ２３ ポールピース外周側カット Ｗ ポールピース幅 Ｗ1 ポールピースカット幅 ｓ スロットオープン ｔ 本発明のポールピース先端厚み ｔ1 本発明のポールピース先端厚み ｔ2 従来のポールピース先端厚み ｔ3 本発明のポールピース先端厚み 1 electric motor 2 stator 3 rotor 4 substrates 5 Stator core 6 Stator winding 7 holder 8 voids 9 Permanent magnet 10 covers 11 shaft 12 Knurl 13 housing 14 ball bearings 15 Itabane 16 retaining ring 17 Cover protrusion 18 Axial end face of permanent magnet 19 bush 20 Stator magnetic pole 21 pole pieces 22 Cut on the inner circumference of the pole piece 23 Pole piece outer peripheral side cut W pole piece width W1 pole piece cut width s slot open t Thickness of the pole piece tip of the present invention t1 Thickness of pole piece tip of the present invention t2 Conventional tip thickness of pole piece t3 The thickness of the tip of the pole piece of the present invention
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） // Ｈ０２Ｋ 1/16 Ｈ０２Ｋ 1/16 Ｃ (72)発明者 安藤 隆司 群馬県桐生市相生町３−93番地 日本サー ボ株式会社桐生工場内 Ｆターム(参考） 5H002 AA02 AB06 AE07 5H621 GA04 GA12 HH01 5H622 AA03 CA11 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) // H02K 1/16 H02K 1/16 C (72) Inventor Takashi Ando 3-93 Aioi-cho, Kiryu-shi, Gunma Address F-term in Kiryu Plant of Nippon Servo Co., Ltd. (reference) 5H002 AA02 AB06 AE07 5H621 GA04 GA12 HH01 5H622 AA03 CA11
Claims (4)
固定子磁極に左右に張出したポールピースを有した外転
型回転電機の固定子鉄心において，固定子鉄心を複数の
ブロックに分割して再組立する構造を有し，前記左右の
ポールピースの内周側の両端をカットしたことを特徴と
した集中巻分割固定子を有する永久磁石回転電機。1. In a stator core of an outer-rotating electric machine having a pole piece extending laterally on a stator magnetic pole formed in a direction from the inner circumference to the outer circumference, the stator core is divided into a plurality of blocks. A permanent magnet rotating electric machine having a concentrated winding split stator, characterized in that both ends of the left and right pole pieces on the inner peripheral side are cut.
右に張出したポールピースの先端部の内外周の両端をカ
ットしたことを特徴とする集中巻分割固定子を有する永
久磁石回転電機。2. The permanent magnet rotating electric machine having a concentrated winding split stator according to claim 1, wherein both ends of an inner and outer circumference of a tip end portion of a pole piece that extends laterally are cut.
したポールピースを有した回転電機の固定子鉄心におい
て，固定子鉄心を複数のブロックに分割して再組立てす
る構造を有し，前記左右のポールピース先端の外周側又
は外内周側の両方をカットしたことを特徴とする集中巻
分割固定子を有する永久磁石回転電機。3. A stator core of a rotating electric machine, comprising a pole piece extending laterally to a stator pole of an adder type motor, having a structure in which the stator core is divided into a plurality of blocks and reassembled, A permanent magnet rotating electric machine having a concentrated winding split stator, characterized in that both the outer peripheral side and the outer inner peripheral side of the ends of the left and right pole pieces are cut.
て，Ｍ個の固定子磁極とＰ個の永久磁石数をＭ：Ｐ＝６
ｎ：６ｎ±２(ｎは２以上の整数)に構成したことを特徴
とする集中巻固定子を有する永久磁石回転電機。4. The stator core according to claim 1, wherein M stator poles and P permanent magnets are M: P = 6.
n: 6n ± 2 (n is an integer of 2 or more). A permanent magnet rotating electric machine having a concentrated winding stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002054060A JP2003259573A (en) | 2002-02-28 | 2002-02-28 | Permanent magnet rotatary electric machine having concentrated winding split stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002054060A JP2003259573A (en) | 2002-02-28 | 2002-02-28 | Permanent magnet rotatary electric machine having concentrated winding split stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003259573A true JP2003259573A (en) | 2003-09-12 |
Family
ID=28665316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002054060A Pending JP2003259573A (en) | 2002-02-28 | 2002-02-28 | Permanent magnet rotatary electric machine having concentrated winding split stator |
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| Country | Link |
|---|---|
| JP (1) | JP2003259573A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005312194A (en) * | 2004-04-22 | 2005-11-04 | Isuzu Motors Ltd | Eddy current type reduction gear |
| JP2010098802A (en) * | 2008-10-15 | 2010-04-30 | Panasonic Corp | Dual rotor motor |
| JP2013138586A (en) * | 2011-12-28 | 2013-07-11 | Daikin Ind Ltd | Armature and manufacturing method thereof |
-
2002
- 2002-02-28 JP JP2002054060A patent/JP2003259573A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005312194A (en) * | 2004-04-22 | 2005-11-04 | Isuzu Motors Ltd | Eddy current type reduction gear |
| JP4581468B2 (en) * | 2004-04-22 | 2010-11-17 | いすゞ自動車株式会社 | Eddy current reducer |
| JP2010098802A (en) * | 2008-10-15 | 2010-04-30 | Panasonic Corp | Dual rotor motor |
| JP2013138586A (en) * | 2011-12-28 | 2013-07-11 | Daikin Ind Ltd | Armature and manufacturing method thereof |
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