JP3498129B2 - Rotating electric machine - Google Patents
Rotating electric machineInfo
- Publication number
- JP3498129B2 JP3498129B2 JP2001155038A JP2001155038A JP3498129B2 JP 3498129 B2 JP3498129 B2 JP 3498129B2 JP 2001155038 A JP2001155038 A JP 2001155038A JP 2001155038 A JP2001155038 A JP 2001155038A JP 3498129 B2 JP3498129 B2 JP 3498129B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- winding
- insertion groove
- core
- electric machine
- 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
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Windings For Motors And Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、連結ステータが
用いられる回転電機に関するものであり、特に、連結ス
テータコアにおける巻線方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary electric machine using a connected stator, and more particularly to a winding method for a connected stator core.
【０００２】[0002]
【従来の技術】図９は従来の連結ステータが用いられる
回転電機を示す側面断面図であり、図において、１１は
ステータ、１２はロータ、１３はフレーム、１４はブラ
ケット、１５はステータ１１に電流を供給するターミナ
ル、１６はロータ１２と一体に構成されたシャフト、１
７はシャフト１６を軸支するためのベアリングである。
又、図１０は連結ステータを示す正面図、図１１は同じ
く平面図、図１２は同じく側面図、図１３はコアを取り
外し、ボビンのみを取出した状態を示す正面図である。
図において、１８はコア、１９はコイルボビン、２０は
コイル、２１ａは巻き始め用のコイル挿入溝、２１ｂは
巻き終わり用のコイル挿入溝、２２ａ，２２ｂはボビン
１９に設けられたフックである。2. Description of the Related Art FIG. 9 is a side sectional view showing a rotary electric machine in which a conventional coupled stator is used. In the drawing, 11 is a stator, 12 is a rotor, 13 is a frame, 14 is a bracket, and 15 is a current to the stator 11. Terminal 16 for supplying the electric power, 16 is a shaft integrally formed with the rotor 12, 1
Reference numeral 7 is a bearing for supporting the shaft 16.
10 is a front view showing the connected stator, FIG. 11 is a plan view of the same, FIG. 12 is a side view of the same, and FIG. 13 is a front view showing a state in which the core is removed and only the bobbin is taken out.
In the figure, 18 is a core, 19 is a coil bobbin, 20 is a coil, 21a is a coil insertion groove for starting winding, 21b is a coil insertion groove for ending winding, and 22a and 22b are hooks provided on the bobbin 19.
【０００３】以上のように構成された連結ステータコア
のコイル巻線においては、巻線の巻き始めは、巻き始め
用のコイル挿入溝２１ａに、また、巻線の巻き終わりは
巻き終わり用のコイル挿入溝２１ｂに、それぞれ巻き始
めと、巻き終わりのコイル２０を挿入していた。そし
て、それぞれのコイル挿入溝２１ａ，２１ｂには、フッ
ク２２ａ，２２ｂを設け、その部分にコイル２０が引っ
掛る構造をとっていた。In the coil winding of the coupled stator cores constructed as described above, the winding start of the winding is inserted into the coil insertion groove 21a for winding start, and the winding end is inserted into the coil insertion for winding end. The coil 20 at the beginning and the end of winding was inserted into the groove 21b. Then, hooks 22a and 22b are provided in the coil insertion grooves 21a and 21b, respectively, and the coil 20 is hooked on the hooks 22a and 22b.
【０００４】そして、連結ステータは、コイル巻線の巻
線密度向上のため、ステータコアを帯状にした状態にて
巻線し、その後、ステータコアを丸め、円筒形状にす
る。即ち、円筒ステータコアからの巻線では、隣り合う
スロット間に、巻線時のノズルスペースが必要となる
が、上記の形状では、帯状状態での巻線になるため、巻
線しやすく、１スロットの巻線スペースを有効に利用で
き、巻線密度も向上できるものである。In order to improve the winding density of the coil winding, the coupled stator is wound in a state where the stator core is in a strip shape, and then the stator core is rolled into a cylindrical shape. That is, in the winding from the cylindrical stator core, the nozzle space at the time of winding is required between the adjacent slots, but in the above-mentioned shape, since the winding is in a strip state, it is easy to wind and one slot The winding space can be effectively used and the winding density can be improved.
【０００５】[0005]
【発明が解決しようとする課題】従来の回転電機は以上
のように構成されていたので、以下のような問題点があ
った。即ち、図１４(ａ)，(ｂ)は従来のステータ構造を
示す平面図であり、図１４(ａ)はコイルが正常位置に固
定されている状態、図１４(ｂ)は巻き終わりのコイルが
たるんだ状態をそれぞれ示しており、従来の構造では、
巻線後、コイルは、図１４(ａ)に図示する方向には固定
されず、図１４(ｂ)に示すように、巻き終わりのコイル
２０がａ方向にたるんで、１スロットの巻線スペースか
らはみ出し、巻線後の丸めが困難であった。また、挿入
溝をコイル径よりも狭くし、コイルを押し込み固定する
方法も試みたが、コイル線被膜に傷がついてしまい、更
に、回転電機のバリエーションにてコイル径が異なる場
合、そのコイル線径に応じた挿入溝を有するコイルボビ
ンを、個々に新作する必要があるという問題があった。Since the conventional rotary electric machine is constructed as described above, it has the following problems. That is, FIGS. 14 (a) and 14 (b) are plan views showing a conventional stator structure, FIG. 14 (a) shows a state where the coil is fixed at a normal position, and FIG. 14 (b) shows a coil at the end of winding. Each shows a slack state, and in the conventional structure,
After winding, the coil is not fixed in the direction shown in FIG. 14A, but the coil 20 at the end of winding sags in the direction a as shown in FIG. It was difficult to round off after winding out after protruding. We also tried to fix the insertion groove by making it smaller than the coil diameter and pushing the coil in, but if the coil wire coating is damaged and the coil diameter is different depending on the variation of the rotating electric machine, the coil wire diameter There is a problem that it is necessary to individually make a new coil bobbin having an insertion groove corresponding to the above.
【０００６】又、コイル巻線をコイルボビンに巻き付け
る時に、ｎ層目からｎ＋１層目に移す時のクロスポイン
トを、図１２あるいは図１４(ａ)に示すように、コア１
８の側面部に位置するＡ部としていたので、クロスポイ
ントＡ部で巻線半径が大きくなり、結果的に巻線密度の
制約（上限）となるという問題点もあった。Further, when the coil winding is wound around the coil bobbin, the cross point at the time of moving from the nth layer to the (n + 1) th layer is the core 1 as shown in FIG. 12 or FIG. 14 (a).
Since the portion A is located on the side surface of No. 8, the winding radius becomes large at the cross point A portion, and as a result, there is a problem that the winding density is restricted (upper limit).
【０００７】この発明は、上記のような問題点を解決す
るためになされたものであり、巻線コイルを強固に固定
して、たるみを防止するとともに、巻線密度の向上を図
ることを目的とするものである。即ち、コイルの巻き終
わりがコイルボビンの溝から外れず、たるまないように
して、巻線後のステータコアの丸め工程を容易にし、自
動化を可能にする。又、コイル線径が異なっても、同一
のコイルボビン溝に固定できるようにして、コイル線径
が異なる回転電機に対し、１つのコイルボビンで済ませ
るようにすることを目的とする。The present invention has been made to solve the above problems, and an object of the present invention is to firmly fix a winding coil to prevent slack and to improve winding density. It is what That is, the winding end of the coil does not come off from the groove of the coil bobbin and does not sag, thereby facilitating the rounding process of the stator core after winding and enabling automation. Another object of the present invention is to enable fixing to the same coil bobbin groove even if the coil wire diameters are different, so that only one coil bobbin is required for rotating electric machines having different coil wire diameters.
【０００８】[0008]
【課題を解決するための手段】この発明の請求項１に係
る回転電機は、コアに取り付けられたコイルボビンにコ
イルを巻回させるとともに、コアを複数個帯状に連結さ
せた連結ステータを有するものであって、コイルボビン
に巻き始め用のコイル挿入溝、巻き終わり用のコイル挿
入溝及び中央凸部を設け、巻き終わり用のコイル挿入溝
側に対応するコア側面に沿って巻き始めるとともに、巻
き始め用のコイル挿入溝に対応するコア側面に沿って巻
かれてきたコイルの巻き終わりを、凸部に巻かれるよう
にして巻き終わり用のコイル挿入溝に入り込み固定した
ものである。According to a first aspect of the present invention, there is provided a rotating electric machine including a coil bobbin mounted on a core, a coil wound around the coil bobbin, and a plurality of cores connected to each other in a band shape. Therefore, the coil bobbin is provided with a coil insertion groove for starting winding, a coil insertion groove for ending winding, and a central convex portion, and starts winding along the side surface of the core corresponding to the side of the coil inserting groove for ending winding, and for starting winding. The winding end of the coil wound along the side surface of the core corresponding to the coil insertion groove is inserted into the coil insertion groove for winding so as to be wound on the convex portion and fixed.
【０００９】この発明の請求項２に係る回転電機は、コ
イル巻線のｎ層目からｎ＋１層目に移す時のクロスポイ
ントを、コアの上面側に配置させたものである。In the rotating electric machine according to the second aspect of the present invention, the cross point when moving from the nth layer to the (n + 1) th layer of the coil winding is arranged on the upper surface side of the core.
【００１０】[0010]
【発明の実施の形態】実施の形態１．以下、この発明の
一実施形態を図に基づいて説明する。図１はこの発明の
実施の形態１による回転電機の連結ステータを示す正面
図、図２は同じく平面図、図３は同じく側面図、図４は
コアを取り外し、ボビンのみ取り出した状態を示す正面
図、図５はステータ１個を示す拡大平面図である。図に
おいて、１はコア、２はコイルボビン、３はコイル、４
ａは巻き始め用のコイル挿入溝、４ｂは巻き終わり用の
コイル挿入溝、２ａはコイルボビン２の中央に設けられ
た凸部である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. An embodiment of the present invention will be described below with reference to the drawings. 1 is a front view showing a coupled stator of a rotary electric machine according to Embodiment 1 of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side view of the same, and FIG. 4 is a front view showing a state in which a core is removed and only a bobbin is taken out. 5 and 5 are enlarged plan views showing one stator. In the figure, 1 is a core, 2 is a coil bobbin, 3 is a coil, and 4
Reference numeral a is a coil insertion groove for starting winding, 4b is a coil insertion groove for ending winding, and 2a is a convex portion provided at the center of the coil bobbin 2.
【００１１】本発明では、コイル３の巻き始めを、コイ
ルボビン２に設けられたコイル挿入溝４ａに挿入し、コ
ア１へのコイル３の巻付けを、もう一つのコイル挿入溝
４ｂ側に対応するコア側面１Ｂに沿って巻き始める。ま
た、巻き終わりは、コイル挿入溝４ａ側に対応するコア
側面１Ａに沿って巻かれてきたコイル３を、コイル挿入
溝４ｂに挿入して巻き終わりとする。In the present invention, the winding start of the coil 3 is inserted into the coil insertion groove 4a provided in the coil bobbin 2, and the winding of the coil 3 around the core 1 corresponds to the side of the other coil insertion groove 4b. Start winding along the core side surface 1B. At the end of winding, the coil 3 wound along the core side surface 1A corresponding to the coil insertion groove 4a side is inserted into the coil insertion groove 4b to end winding.
【００１２】このように、コイル挿入溝４ａ側のコア側
面１Ａに沿ってきたコイル３を、コイル挿入溝４ｂにク
ロスし挿入して巻き終わりとすることにより、巻き終わ
りのコイル３は２層目のコイル（図５の３ａ，３ｂ）間
にはまり込み（巻線時のテンションは、巻き終わりのコ
イルがコイル３ａ，３ｂ間にはまり込む方向に作用す
る）、コイルボビン２の中央の凸部２ａに巻かれるよう
に挿入溝４ｂに入り込み固定されるため、図１４(ｂ)に
示されるようなコイル３のズレによる撓みはなくなる。
よって、ステータコアの丸め工程を阻害するコイル３の
撓みは解消される。又、この方法では、従来のようなフ
ックを必要とせず、コイル３の線径が変化しも、同一ボ
ビンの挿入溝幅にてコイル３を固定できる。In this way, by winding the coil 3 along the core side surface 1A on the side of the coil insertion groove 4a into the coil insertion groove 4b and inserting it to finish winding, the coil 3 at the winding end is the second layer. Between the coils (3a, 3b in FIG. 5) (the tension at the time of winding acts in the direction in which the coil at the end of winding fits between the coils 3a, 3b), and on the central convex portion 2a of the coil bobbin 2. Since it is wound and inserted into the insertion groove 4b and fixed, the bending due to the displacement of the coil 3 as shown in FIG. 14 (b) is eliminated.
Therefore, the bending of the coil 3, which hinders the rounding process of the stator core, is eliminated. In addition, this method does not require a hook as in the prior art, and even if the wire diameter of the coil 3 changes, the coil 3 can be fixed with the insertion groove width of the same bobbin.
【００１３】図６は連結ステータコアにコイル３を巻い
ている状態を示す平面図、図７は連結ステータを丸めて
いる状態を示す平面図、図８は連結ステータを完全に丸
めることにより、ステータを形成した状態を示す平面図
である。連結ステータは、コイル巻線の巻線密度向上の
ため、図６に示すように連結ステータコアを帯状にした
状態にてコイル３を巻線し、その後、図７に示すように
連結ステータを丸め、最終的に図８に示すような円筒形
状にし、その中にロータを挿入する。FIG. 6 is a plan view showing a state in which the coil 3 is wound around the connected stator core, FIG. 7 is a plan view showing a state in which the connected stator is rolled, and FIG. It is a top view showing the formed state. In order to improve the winding density of the coil winding, the connected stator winds the coil 3 with the connected stator core in a strip shape as shown in FIG. 6, and then rounds the connected stator as shown in FIG. Finally, a cylindrical shape as shown in FIG. 8 is formed, and the rotor is inserted therein.
【００１４】即ち、円筒ステータコアからの巻線では、
隣り合うスロット間に巻線時のノズルスペースが必要と
なるが、図６に示した形状では、帯状状態での巻線にな
るため、巻線しやすく、１スロットの巻線スペースを有
効に利用でき、巻線密度も向上できるものである。ま
た、連続的にコイル巻線を行う場合、コイル挿入溝４ｂ
から出たコイル線を、任意の位置でＵターンして次のコ
ア１の巻き始めコイルにすることにより、巻き終わりの
コイル線はより撓みにくくなる。That is, in the winding from the cylindrical stator core,
Nozzle space for winding is required between adjacent slots, but with the shape shown in FIG. 6, winding is done in a strip shape, so winding is easy, and one slot of winding space is effectively used. It is possible to improve the winding density. When the coil winding is continuously performed, the coil insertion groove 4b
By making a coil turn from the coil wire at any position to make a winding start coil for the next core 1, the coil wire at the winding end becomes more difficult to bend.
【００１５】以上のように構成することにより、巻線し
たコイル３が容易に固定でき、又、コイル３の線径が異
なっても、同しコイルボビンを使用できる。更に、コイ
ル３を引っ掛けるためのフックが不要となるため、経済
的となり、巻線密度の向上が図れるとともに、巻線コイ
ルの巻き終わりと巻き始めを連続させることにより、コ
イル３のたるみを防止することができる。With the above structure, the wound coil 3 can be easily fixed, and the same coil bobbin can be used even if the wire diameter of the coil 3 is different. Further, since a hook for hooking the coil 3 is not required, it is economical, the winding density can be improved, and the slack of the coil 3 can be prevented by continuing the winding end and winding start of the winding coil. be able to.
【００１６】実施の形態２．本実施形態においては、図
５に示すように、コイル巻線のｎ層目からｎ＋１層目
（図５では１層目から２層目）に移す時のクロスポイン
トＢを、コア１の上面に配置したものである。従来にお
いては、図１２に示すように、クロスポイントＡが相隣
り合うコア１の側面にあったため、巻線密度を高めるた
めの制約になっていたが、本実施形態では、クロスポイ
ントＢがコア１の上面側に移ったため、巻線密度の高密
度化が図れるようになり、ステータコアを丸めるときの
障害が少なくなった。又、図９に示すように、コア１の
上面部にはクロスポイントを配置するためのスペースＣ
が存在しており、このスペースを利用できることとな
る。Embodiment 2. In the present embodiment, as shown in FIG. 5, the cross point B when the coil winding is moved from the nth layer to the n + 1th layer (the first layer to the second layer in FIG. 5) is located on the upper surface of the core 1. It is arranged. In the related art, as shown in FIG. 12, since the cross points A are on the side surfaces of the cores 1 adjacent to each other, there is a restriction for increasing the winding density. However, in the present embodiment, the cross points B are the cores. Since it moved to the upper surface side of No. 1, the winding density can be increased, and the obstacles when rolling the stator core are reduced. In addition, as shown in FIG. 9, a space C for arranging the cross points is provided on the upper surface of the core 1.
Exists, and this space will be available.
【００１７】[0017]
【発明の効果】この発明の請求項１に係る回転電機によ
れば、コアに取り付けられたコイルボビンにコイルを巻
回させるとともに、コアを複数個帯状に連結させた連結
ステータを有するものであって、コイルボビンに巻き始
め用のコイル挿入溝、巻き終わり用のコイル挿入溝及び
中央凸部を設け、巻き終わり用のコイル挿入溝側に対応
するコア側面に沿って巻き始めるとともに、巻き始め用
のコイル挿入溝に対応するコア側面に沿って巻かれてき
たコイルの巻き終わりを、凸部に巻かれるようにして巻
き終わり用のコイル挿入溝に入り込み固定したので、巻
線したコイルを容易に固定できるとともに、巻線密度の
向上を図ることができる。According to the rotating electric machine according to the first aspect of the present invention, the coil bobbin attached to the core is wound with a coil, and the rotating electric machine has a connecting stator in which a plurality of cores are connected in a band shape. The coil bobbin is provided with a coil insertion groove for starting winding, a coil insertion groove for ending winding, and a central convex portion, and starts winding along the side surface of the core corresponding to the side of the coil insertion groove for ending winding, and a coil for starting winding. The winding end of the coil wound along the side surface of the core corresponding to the insertion groove is inserted into the coil insertion groove for winding end and fixed as if it was wound on the convex part, so the wound coil can be easily fixed At the same time, the winding density can be improved.
【００１８】この発明の請求項２に係る回転電機によれ
ば、コイル巻線のｎ層目からｎ＋１層目に移す時のクロ
スポイントを、コアの上面側に配置させたので、コアを
丸めるときの障害を少なくさせることができる。According to the rotating electric machine of the second aspect of the present invention, since the cross point when the coil winding is moved from the nth layer to the (n + 1) th layer is arranged on the upper surface side of the core, when the core is rolled. The obstacles can be reduced.
【図１】 この発明の実施の形態１による回転電機の連
結ステータを示す正面図である。FIG. 1 is a front view showing a connected stator of a rotary electric machine according to Embodiment 1 of the present invention.
【図２】 この発明の実施の形態１による回転電機の連
結ステータを示す平面図である。FIG. 2 is a plan view showing a connected stator of the rotary electric machine according to Embodiment 1 of the present invention.
【図３】 この発明の実施の形態１による回転電機の連
結ステータを示す側面図である。FIG. 3 is a side view showing a connected stator of the rotary electric machine according to Embodiment 1 of the present invention.
【図４】 ボビン部を示す正面図である。FIG. 4 is a front view showing a bobbin portion.
【図５】 ステータ１個を示す平面図である。FIG. 5 is a plan view showing one stator.
【図６】 連結ステータコアにコイルを巻いている状態
を示す平面図である。FIG. 6 is a plan view showing a state in which a coil is wound around a connected stator core.
【図７】 連結ステータを丸めている状態を示す平面図
である。FIG. 7 is a plan view showing a state where the connected stator is rolled.
【図８】 ステータを完成した状態を示す平面図であ
る。FIG. 8 is a plan view showing a state where a stator is completed.
【図９】 従来の回転電機を示す側面断面図である。FIG. 9 is a side sectional view showing a conventional rotary electric machine.
【図１０】 従来の連結ステータを示す正面図である。FIG. 10 is a front view showing a conventional coupled stator.
【図１１】 従来の連結ステータを示す平面図である。FIG. 11 is a plan view showing a conventional connected stator.
【図１２】 従来の連結ステータを示す側面図である。FIG. 12 is a side view showing a conventional coupled stator.
【図１３】 従来のボビン部を示す正面図である。FIG. 13 is a front view showing a conventional bobbin portion.
【図１４】 (ａ)(ｂ)は、従来のステータ構造のコイル
の状態を示す平面図である。14 (a) and 14 (b) are plan views showing a state of a coil of a conventional stator structure.
１ コア、２ コイルボビン、２ａ 凸部、３ コイ
ル、４ａ，４ｂ コイル挿入溝、Ｂ クロスポイント。1 core, 2 coil bobbins, 2a convex part, 3 coils, 4a, 4b coil insertion groove, B cross point.
フロントページの続き (72)発明者 米賀多 秀樹 東京都千代田区大手前二丁目６番２号 三菱電機エンジニアリング株式会社内 (72)発明者 杉山 武史 東京都千代田区丸の内二丁目２番３号 三菱電機株式会社内 (56)参考文献 特開 平10−285880（ＪＰ，Ａ) 特開2000−201443（ＪＰ，Ａ) 特開2001−103698（ＪＰ，Ａ) 特開2001−25198（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02K 3/46 H02K 1/18 H02K 3/18 Front page continuation (72) Inventor Hideki Yonegata 2-6 Otemae, Chiyoda-ku, Tokyo Mitsubishi Electric Engineering Co., Ltd. (72) Inventor Takeshi Sugiyama 2-3-3 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Electric Within the corporation (56) Reference JP 10-285880 (JP, A) JP 2000-201443 (JP, A) JP 2001-103698 (JP, A) JP 2001-25198 (JP, A) ( 58) Fields investigated (Int.Cl. 7 , DB name) H02K 3/46 H02K 1/18 H02K 3/18
Claims (2)
イルを巻回させるとともに、上記コアを複数個帯状に連
結させた連結ステータを有する回転電機において、上記
コイルボビンに巻き始め用のコイル挿入溝、巻き終わり
用のコイル挿入溝及び中央凸部を設け、上記巻き終わり
用のコイル挿入溝側に対応するコア側面に沿って巻き始
めるとともに、上記巻き始め用のコイル挿入溝に対応す
るコア側面に沿って巻かれてきた上記コイルの巻き終わ
りを、上記凸部に巻かれるようにして上記巻き終わり用
のコイル挿入溝に入り込み固定したことを特徴とする回
転電機。1. A rotary electric machine having a coil stator wound on a coil bobbin attached to a core and having a plurality of the cores connected to each other in a band shape, wherein a coil insertion groove for starting winding and a winding end for the coil bobbin are provided. A coil insertion groove and a central convex portion for winding are provided, and winding is started along the side surface of the core corresponding to the coil insertion groove side for winding end and winding along the side surface of the core corresponding to the coil insertion groove for winding start. A rotary electric machine characterized in that the winding end of the wound coil is inserted into and fixed to the coil insertion groove for winding end by being wound around the convex portion.
す時のクロスポイントを、コアの上面側に配置させたこ
とを特徴とする請求項１記載の回転電機。2. The rotating electric machine according to claim 1, wherein a cross point when the coil winding is moved from the nth layer to the (n + 1) th layer is arranged on the upper surface side of the core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001155038A JP3498129B2 (en) | 2001-05-24 | 2001-05-24 | Rotating electric machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001155038A JP3498129B2 (en) | 2001-05-24 | 2001-05-24 | Rotating electric machine |
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| Publication Number | Publication Date |
|---|---|
| JP2002354738A JP2002354738A (en) | 2002-12-06 |
| JP3498129B2 true JP3498129B2 (en) | 2004-02-16 |
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ID=18999288
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001155038A Expired - Fee Related JP3498129B2 (en) | 2001-05-24 | 2001-05-24 | Rotating electric machine |
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