JP3425176B2 - Motor or generator yoke - Google Patents
Motor or generator yokeInfo
- Publication number
- JP3425176B2 JP3425176B2 JP04576693A JP4576693A JP3425176B2 JP 3425176 B2 JP3425176 B2 JP 3425176B2 JP 04576693 A JP04576693 A JP 04576693A JP 4576693 A JP4576693 A JP 4576693A JP 3425176 B2 JP3425176 B2 JP 3425176B2
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- magnet
- rotor
- generator
- magnetic
- 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 - Lifetime
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は電動機又は発電機のヨー
クに関する。FIELD OF THE INVENTION The present invention relates to a motor or generator yoke.
【０００２】[0002]
【従来の技術】従来の電動機又は発電機のロータヨーク
を図８及び図９に示す。2. Description of the Related Art A rotor yoke of a conventional electric motor or generator is shown in FIGS.
【０００３】図８に示すロータヨーク１は、周方向に複
数分割した軟磁性体よりなるロータヨーク本体２を備
え、このロータヨーク本体２の複数の分割体３相互間に
磁石４を同極同士が互いに周方向に対向するようにして
介装し、複数の分割体３を非磁性体よりなるリング体５
により結合して構成したものである。A rotor yoke 1 shown in FIG. 8 is provided with a rotor yoke body 2 made of a soft magnetic material which is divided into a plurality of pieces in the circumferential direction. A plurality of divided bodies 3 of the rotor yoke body 2 have magnets 4 having the same poles surrounding each other. A ring body 5 made of a non-magnetic material, and the plurality of divided bodies 3 are interposed so as to face each other in the direction.
It is configured by combining.
【０００４】また図９に示すロータヨーク１ａは、非分
割構造のロータヨーク本体２ａに複数の磁石４を同極同
士が互いに周方向に対向するようにして内蔵して構成し
たものである。The rotor yoke 1a shown in FIG. 9 is constructed by incorporating a plurality of magnets 4 in a rotor yoke body 2a having a non-divided structure so that the same poles face each other in the circumferential direction.
【０００５】[0005]
【発明が解決しようとする課題】上述した従来例のうち
の図８に示すロータヨーク１は、ロータヨーク本体２を
周方向に複数分割した構成であるから、構造が複雑で、
製作が困難で、コストアップを招き、しかも高剛性を確
保するためには、より一層複雑な構造にしなければなら
ないという問題点がある。Among the above-mentioned conventional examples, the rotor yoke 1 shown in FIG. 8 has a complicated structure because the rotor yoke body 2 is divided into a plurality of parts in the circumferential direction.
It is difficult to manufacture, causes an increase in cost, and has a problem that a more complicated structure is required to secure high rigidity.
【０００６】また図９に示すロータヨーク１ａは、ロー
タヨーク本体２ａが非分割構造で、その内部に磁石４を
インサートしたものであるから、構造が簡単で製作が容
易となる利点がある反面、各磁石４から出る磁束がロー
タヨーク本体２ａ内で短絡し、磁気的効率が低いという
問題点がある。The rotor yoke 1a shown in FIG. 9 has the advantage that the rotor yoke body 2a has a non-divided structure and the magnet 4 is inserted into the rotor yoke main body 2a. There is a problem that the magnetic flux emitted from the magnetic flux 4 is short-circuited in the rotor yoke body 2a, and the magnetic efficiency is low.
【０００７】本発明は上記事情に鑑みてなされたもの
で、その目的とするところは、構造及び製作が簡単で、
コストが低いものでありながら、磁気的効率を向上させ
た電動機又は発電機のヨークを提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to simplify the structure and manufacture,
An object of the present invention is to provide a yoke for an electric motor or a generator, which has low magnetic cost and improved magnetic efficiency.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
本発明の請求項１記載の電動機又は発電機のヨークは、
ヨーク本体に複数個の磁石を同極同士が互いに周方向に
対向するように内蔵してなる電動機又は発電機のヨーク
において、ロータとステータとの間に形成されるエアギ
ャップとは反対側の前記磁石端部付近のヨーク本体に、
該ヨーク本体を切断しない程度の磁気的空間を前記磁石
の一方に設置したことを特徴とするものである。In order to achieve the above object, a yoke of an electric motor or a generator according to claim 1 of the present invention comprises:
In a yoke of a motor or a generator in which a plurality of magnets are built in a yoke main body so that the same poles face each other in the circumferential direction, the yoke on the side opposite to the air gap formed between the rotor and the stator. On the yoke body near the end of the magnet,
The magnet has a magnetic space that does not cut the yoke body.
It is characterized by being installed on one side.
【０００９】また、同じ目的を達成するため本発明の請
求項２記載の電動機又は発電機のヨークは、ヨーク本体
に複数個の磁石を同極同士が互いに周方向に対向するよ
うに内蔵してなる電動機又は発電機のヨークにおいて、
ロータとステータとの間に形成されるエアギャップとは
反対側の前記磁石端部付近のヨーク本体に、該ヨーク本
体を切断しない程度の磁気的空間を前記磁石の一方に設
置し、且つ前記磁石を放射方向軸線に対して所定角度傾
斜させたことを特徴とするものである。Further, in order to achieve the same object, the contract of the present invention is used.
The yoke of the electric motor or generator according to claim 2 is a yoke body.
A plurality of magnets with the same poles facing each other in the circumferential direction.
In the yoke of the motor or generator that is built in like this,
What is the air gap formed between the rotor and the stator?
On the yoke body near the end of the magnet on the opposite side,
Provide a magnetic space on one side of the magnet that does not cut the body.
The magnet and tilt the magnet at a predetermined angle with respect to the radial axis.
It is characterized by being slanted .
【００１０】また、同じ目的を達成するため本発明の請
求項３記載の電動機又は発電機のヨークは、請求項１記
載の電動機又は発電機のヨークにおいて、ヨーク本体に
複数個の磁石を同極同士が互いに周方向に対向するよう
に内蔵してなる電動機又は発電機のヨークにおいて、ロ
ータとステータとの間に形成されるエアギャップとは反
対側の前記磁石端部付近のヨーク本体に、該ヨーク本体
を切断しない程度の磁気的空間を前記磁石の一方に設置
し、前記ヨークは、ロータヨークであって、前記磁気的
空間を、前記磁石の回転軸側端面延長線、前記磁石の回
転軸側端面隅角部より外周側に微小量オフセットした点
と前記磁石相互間の磁極部の２等分線と前記ロータヨー
クの外周縁部との交点とを結ぶ線及び前記磁石部の２等
分線を前記磁石側に所定寸法オフセットした線により囲
まれた略三角形にしたことを特徴とするものである。更
に、同じ目的を達成するため本発明の請求項４記載の電
動機又は発電機のヨークは、請求項１記載の電動機又は
発電機のヨークにおいて、ヨーク本体に複数個の磁石を
同極同士が互いに周方向に対向するように内蔵してなる
電動機又は発電機のヨークにおいて、ロータとステータ
との間に形成されるエアギャップとは反対側の前記磁石
端部付近のヨーク本体に、該ヨーク本体を切断しない程
度の磁気的空間を前記磁石の一方に設置し、前記ヨーク
は、ロータヨークであって、前記磁気的空間を、前記磁
石の回転軸側端面延長線、前記磁石の回転軸側端面隅角
部より外周側に所定寸法オフセットした点と前記磁石相
互間の磁極部の２等分線と前記ロータヨークの外周縁部
との交点とを結ぶ線及び前記磁極部の２等分線を前記磁
石側に所定寸法オフセットした線によりそれぞれ囲まれ
た三角形の領域内に設置したことを特徴とするものであ
る。 [0010] In addition, 請of the present invention to achieve the same purpose
The yoke of the electric motor or generator according to claim 3 is the claim 1.
In the yoke of the installed motor or generator,
Make sure that multiple magnets have the same poles facing each other in the circumferential direction.
In the yoke of the motor or generator built into the
The air gap formed between the stator and the stator.
In the yoke body near the end of the magnet on the opposite side,
Install a magnetic space on one side of the magnet that does not cut the
The yoke is a rotor yoke, and the magnetic space is offset slightly from the rotation shaft side end surface extension line of the magnet to the outer peripheral side from the rotation shaft side end surface corner portion and the magnet mutual space. The line connecting the bisector of the magnetic pole portion and the intersection of the outer peripheral edge of the rotor yoke and the bisector of the magnet portion are formed into a substantially triangular shape surrounded by a line offset by a predetermined dimension toward the magnet side . It is characterized by that . Change
In order to achieve the same purpose, the power source according to claim 4 of the present invention.
The yoke of the motive or generator is the electric motor according to claim 1, or
In the yoke of the generator, multiple magnets are attached to the yoke body.
Built-in so that the same poles face each other in the circumferential direction
In a motor or generator yoke, rotor and stator
The magnet on the side opposite to the air gap formed between
If you do not cut the yoke body near the end,
A magnetic space of one degree on one side of the magnet,
Is a rotor yoke, and the magnetic space is
The extension line of the end face of the stone on the rotary shaft side, the angle of the end face of the magnet on the rotary shaft side
Point and the magnetic phase
Bisecting line of magnetic pole portion between each other and outer peripheral edge portion of the rotor yoke
The line connecting the intersection point with the
Surrounded by lines offset by a certain dimension on the stone side
It is characterized by being installed in a triangular area.
It
【００１１】[0011]
【００１２】[0012]
【実施例】以下、本発明の実施例を図１〜図７に基づき
説明する。Embodiments of the present invention will be described below with reference to FIGS.
【００１３】［第１実施例］まず本発明の第１実施例を
図１及び図２に基づき説明する。[First Embodiment] First, a first embodiment of the present invention will be described with reference to FIGS.
【００１４】図１は本実施例に係る電動機のロータヨー
クの縦断面図であり、同図中、１０はロータヨークで、
多数枚の珪素鋼板等の磁性薄板を積層固定してなるロー
タヨーク本体１１を有している。このロータヨーク本体
１１には、複数個（本実施例では８個）の磁石（永久磁
石）１２が同極同士を互いに周方向に対向させて内蔵さ
れている。FIG. 1 is a vertical cross-sectional view of a rotor yoke of an electric motor according to this embodiment. In FIG. 1, 10 is a rotor yoke,
It has a rotor yoke body 11 formed by stacking and fixing a plurality of magnetic thin plates such as silicon steel plates. A plurality (eight in this embodiment) of magnets (permanent magnets) 12 are built in the rotor yoke body 11 with their poles facing each other in the circumferential direction.
【００１５】ロータヨーク本体１１の外周縁部と各磁石
１２との間には磁石１２が抜け出ない幅の切離部１３が
形成されている。またロータとステータとの間に形成さ
れるエアギャップとは反対側の磁石１２の端部付近のロ
ータヨーク本体１１には、該ロータヨーク本体１１を切
断しない程度の略三角形状の磁気的空間１４が設けられ
ている。Between the outer peripheral edge portion of the rotor yoke body 11 and each magnet 12, there is formed a separating portion 13 having a width such that the magnet 12 does not come out. Further, in the rotor yoke body 11 near the end of the magnet 12 on the side opposite to the air gap formed between the rotor and the stator, a substantially triangular magnetic space 14 is provided so as not to cut the rotor yoke body 11. Has been.
【００１６】この磁気的空間１４は、図２に示す如く、
磁石１２の回転軸側端面１２ａの延長線Ｌ、磁極部１５
の２等分線Ｌ1より磁石１２側に所定寸法Ｈ1オフセット
した線Ｌ2及び磁石１２の回転軸側端面１２ａの隅角部
より外周側に所定寸法Ｈ2オフセットした点Ａと磁極部
１５の２等分線Ｌ1とロータヨーク本体１１の外周縁部
との交点Ｂとを結ぶ線Ｌ3によりそれぞれ囲まれた三角
形の領域Ｐ内に設けられている。このような領域Ｐ内に
磁気的空間１４を設けることが、磁気的効率の向上を図
る上で最も望ましい。The magnetic space 14 is, as shown in FIG.
Extension line L of the end surface 12a of the magnet 12 on the rotation axis side, the magnetic pole portion 15
Bisector L 1 than the predetermined dimension H 1 offset to the magnet 12 side lines L 2 and corner predetermined dimension H 2 offset point A and the magnetic pole portion on the outer peripheral side from the rotating shaft side end face 12a of the magnet 12 of 15 Is provided in a triangular area P surrounded by a line L 3 connecting the bisector L 1 and the intersection B of the outer peripheral edge portion of the rotor yoke body 11. It is most desirable to provide the magnetic space 14 in such a region P in order to improve the magnetic efficiency.
【００１７】磁気的空間１４は、１つの磁石１２に対し
て、その回転軸側端部両側に設けられている。この磁気
的空間１４により、各磁石１２からの磁束がロータヨー
ク本体１１内で短絡しないので、磁気的効率は低下しな
い。The magnetic space 14 is provided for each magnet 12 on both sides of its rotary shaft side end. Due to the magnetic space 14, the magnetic fluxes from the magnets 12 are not short-circuited in the rotor yoke body 11, so that the magnetic efficiency is not reduced.
【００１８】［第２実施例］次に本発明の第２実施例を
図３に基づき説明する。なお、本実施例において上述し
た第１実施例と同一部分については、図面に同一符号を
付して説明する。[Second Embodiment] Next, a second embodiment of the present invention will be described with reference to FIG. In the present embodiment, the same parts as those in the first embodiment described above will be described with the same reference numerals in the drawings.
【００１９】図３は本実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 3 is a longitudinal sectional view of the rotor yoke of the electric motor according to this embodiment.
【００２０】本実施例において第１実施例と異なる点
は、切割部１３を設けないことである。The present embodiment differs from the first embodiment in that the slit 13 is not provided.
【００２１】［第３実施例］次に本発明の第３実施例を
図４に基づき説明する。なお、本実施例において上述し
た第１実施例と同一部分には、図面に同一符号を付して
説明する。[Third Embodiment] Next, a third embodiment of the present invention will be described with reference to FIG. In this embodiment, the same parts as those in the first embodiment described above will be described with the same reference numerals in the drawings.
【００２２】図４は本実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 4 is a vertical sectional view of the rotor yoke of the electric motor according to this embodiment.
【００２３】本実施例において第１実施例と異なる点
は、切割部１３を設けないことと、磁気的空間１４を長
方形状にしたことである。The present embodiment is different from the first embodiment in that the slit portion 13 is not provided and the magnetic space 14 has a rectangular shape.
【００２４】［第４実施例］次に本発明の第４実施例を
図５に基づき説明する。なお、本実施例において上述し
た第１実施例と同一部分については、図面に同一符号を
付して説明する。[Fourth Embodiment] Next, a fourth embodiment of the present invention will be described with reference to FIG. In the present embodiment, the same parts as those in the first embodiment described above will be described with the same reference numerals in the drawings.
【００２５】図５は本実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 5 is a vertical sectional view of the rotor yoke of the electric motor according to this embodiment.
【００２６】本実施例において第１実施例と異なる点
は、切割部１３を設けないことと、磁気的空間１４を円
形状にしたことである。The present embodiment differs from the first embodiment in that the slit 13 is not provided and the magnetic space 14 is circular.
【００２７】［第５実施例］次に本発明の第５実施例を
図６に基づき説明する。なお、本実施例において上述し
た第１実施例と同一部分については、図面に同一符号を
付して説明する。[Fifth Embodiment] Next, a fifth embodiment of the present invention will be described with reference to FIG. In the present embodiment, the same parts as those in the first embodiment described above will be described with the same reference numerals in the drawings.
【００２８】図６は本実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 6 is a vertical cross-sectional view of the rotor yoke of the electric motor according to this embodiment.
【００２９】本実施例において第１実施例と異なる点
は、切割部１３を設けないことと、磁気的空間１４を１
つの磁石１２に対してその回転軸側端部一側に設けたこ
とである。This embodiment is different from the first embodiment in that the slit 13 is not provided and the magnetic space 14 is reduced to 1
The magnets 12 are provided on one side of the rotary shaft side end.
【００３０】［第６実施例］次に本発明の第６実施例を
図７に基づき説明する。なお、本実施例において上述し
た第１実施例と同一部分については、図面に同一符号を
付して説明する。[Sixth Embodiment] Next, a sixth embodiment of the present invention will be described with reference to FIG. In the present embodiment, the same parts as those in the first embodiment described above will be described with the same reference numerals in the drawings.
【００３１】図７は本実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 7 is a vertical cross-sectional view of the rotor yoke of the electric motor according to this embodiment.
【００３２】本実施例において第１実施例と異なる点
は、切割部１３を設けないことと、磁気的空間１４を１
つの磁石１２に対してその回転軸側端部一側に設けたこ
とと、各磁石１２を放射方向に沿う軸線に対して所定角
度傾斜させた状態にしてロータヨーク本体１１に内蔵し
たことである。This embodiment is different from the first embodiment in that the slit 13 is not provided and the magnetic space 14 is set to 1
One of the magnets 12 is provided on one side of the rotary shaft side end, and each magnet 12 is built in the rotor yoke main body 11 in a state of being inclined at a predetermined angle with respect to the axis line along the radial direction.
【００３３】［その他の実施例］なお、上記各実施例に
おいては、電動機のロータヨークに適用した場合につい
て説明したが、これに限られることなく、電動機のステ
ータヨーク或は発電機のロータヨーク及びステータヨー
クにも適用し得るものである。Other Embodiments In each of the above embodiments, the case where the invention is applied to the rotor yoke of the electric motor has been described, but the present invention is not limited to this, and the stator yoke of the electric motor or the rotor yoke and the stator yoke of the generator are not limited thereto. It is also applicable to.
【００３４】また、磁石１２の配設数も上記各実施例の
数に限定されるものではなく、適宜増減し得るものであ
る。Also, the number of magnets 12 provided is not limited to the number in each of the above-described embodiments, but can be increased or decreased as appropriate.
【００３５】[0035]
【発明の効果】以上詳述した如く本発明の電動機又は発
電機のヨークによれば、ヨーク本体が非分割構造で磁石
を内蔵し、ロータとステータとの間のエアギャップと反
対側の磁石端部付近のヨーク本体に該ヨーク本体を切断
しない程度に磁気的空間を設けたので、構造及び製作が
簡単でコストが低いものでありながら、磁気的空間によ
り、磁石からの磁束がヨーク本体内で短絡し難いので、
磁気的効率が低下しない。As described in detail above, according to the yoke of the electric motor or generator of the present invention, the yoke main body has a non-divided structure and contains a magnet, and the magnet end opposite to the air gap between the rotor and the stator is provided. Since a magnetic space is provided in the yoke body in the vicinity of the portion to the extent that the yoke body is not cut, the structure and manufacturing are simple and the cost is low, but the magnetic space allows the magnetic flux from the magnet to be generated in the yoke body. Because it is difficult to short circuit,
Magnetic efficiency does not decrease.
【図１】本発明の第１実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 1 is a vertical cross-sectional view of a rotor yoke of an electric motor according to a first embodiment of the present invention.
【図２】図１のロータヨークにおける磁気的空間形成領
域の説明図である。FIG. 2 is an explanatory diagram of a magnetic space forming region in the rotor yoke of FIG.
【図３】本発明の第２実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 3 is a vertical sectional view of a rotor yoke of an electric motor according to a second embodiment of the present invention.
【図４】本発明の第３実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 4 is a vertical sectional view of a rotor yoke of an electric motor according to a third embodiment of the present invention.
【図５】本発明の第４実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 5 is a vertical sectional view of a rotor yoke of an electric motor according to a fourth embodiment of the present invention.
【図６】本発明の第５実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 6 is a vertical sectional view of a rotor yoke of an electric motor according to a fifth embodiment of the present invention.
【図７】本発明の第６実施例に係る電動機のロータヨー
クの縦断面図である。FIG. 7 is a vertical sectional view of a rotor yoke of an electric motor according to a sixth embodiment of the present invention.
【図８】従来の電動機のロータヨークの縦断面図であ
る。FIG. 8 is a vertical sectional view of a rotor yoke of a conventional electric motor.
【図９】図８と異なる従来の電動機のロータヨークの縦
断面図である。9 is a vertical cross-sectional view of a rotor yoke of a conventional electric motor different from that of FIG.
【符号の説明】
１０ ロータヨーク（ヨーク）
１１ ロータヨーク本体（ヨーク本体）
１２ 磁石
１２ａ 回転軸側端面
１４ 磁気的空間
１５ 磁極部
Ｌ 磁石の回転軸側端面延長線
Ｌ1 磁極部の２等分線
Ｌ2 磁極部の２等分線より磁石側に所定寸法オフセッ
トした線
Ｌ3 磁石の回転軸側端面隅角部より外周側に所定寸法
オフセットした点と、磁極部の２等分線とロータヨーク
の外周縁部との交点とを結ぶ線
Ａ 磁石の回転軸側端面隅角部より外周側に所定寸法オ
フセットした点
Ｂ 磁極部の２等分線とロータヨークの外周縁部との交
点[Description of Reference Signs] 10 rotor yoke (yoke) 11 rotor yoke body (yoke body) 12 magnet 12a rotating shaft side end face 14 magnetic space 15 magnetic pole part L rotating shaft side end face extension line 1 bisector line L of magnetic pole part a point where the predetermined dimension offset on the outer peripheral side from the rotating shaft side end surface corner portions of the line L 3 magnets predetermined dimension offset on the magnet side of the bisector of the second magnetic pole portion, out of the bisector and the rotor yoke of the magnetic pole portion A line connecting the intersection with the peripheral portion A A point offset by a predetermined dimension to the outer peripheral side from the corner portion of the end face of the rotating shaft side of the magnet B The intersection of the bisector of the magnetic pole portion and the outer peripheral edge portion of the rotor yoke
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H02K 1/27 501 H02K 21/14 ─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) H02K 1/27 501 H02K 21/14
Claims (4)
互いに周方向に対向するように内蔵してなる電動機又は
発電機のヨークにおいて、ロータとステータとの間に形
成されるエアギャップとは反対側の前記磁石端部付近の
ヨーク本体に、該ヨーク本体を切断しない程度の磁気的
空間を前記磁石の一方に設置したことを特徴とする電動
機又は発電機のヨーク。1. A yoke of a motor or a generator in which a plurality of magnets are housed in a yoke body so that the same poles face each other in the circumferential direction, and an air gap formed between a rotor and a stator. A yoke of a motor or a generator, wherein a magnetic space is provided in one of the magnets on the opposite side of the magnet near the end of the magnet so as not to cut the yoke body.
互いに周方向に対向するように内蔵してなる電動機又は
発電機のヨークにおいて、ロータとステータとの間に形
成されるエアギャップとは反対側の前記磁石端部付近の
ヨーク本体に、該ヨーク本体を切断しない程度の磁気的
空間を前記磁石の一方に設置し、且つ前記磁石を放射方
向軸線に対して所定角度傾斜させたことを特徴とする電
動機又は発電機のヨーク。2. A yoke body having a plurality of magnets, each having the same pole.
An electric motor built in so as to face each other in the circumferential direction, or
Formed between the rotor and stator in the generator yoke.
Near the end of the magnet on the side opposite to the air gap formed
The yoke body is magnetic enough not to cut the yoke body.
A space is installed on one side of the magnet and the magnet is radiated.
Predetermined angle slanted yoke to that conductive <br/> motivation or generator, wherein the allowed relative direction axis.
互いに周方向に対向するように内蔵してなる電動機又は
発電機のヨークにおいて、ロータとステータとの間に形
成されるエアギャップとは反対側の前記磁石端部付近の
ヨーク本体に、該ヨーク本体を切断しない程度の磁気的
空間を前記磁石の一方に設置し、前記ヨークは、ロータ
ヨークであって、前記磁気的空間を、前記磁石の回転軸
側端面延長線、前記磁石の回転軸側端面隅角部より外周
側に微小量オフセットした点と前記磁石相互間の磁極部
の２等分線と前記ロータヨークの外周縁部との交点とを
結ぶ線及び前記磁石部の２等分線を前記磁石側に所定寸
法オフセットした線により囲まれた略三角形にしたこと
を特徴とする請求項１記載の電動機又は発電機のヨー
ク。3. A yoke body having a plurality of magnets having the same poles
An electric motor built in so as to face each other in the circumferential direction, or
Formed between the rotor and stator in the generator yoke.
Near the end of the magnet on the side opposite to the air gap formed
The yoke body is magnetic enough not to cut the yoke body.
A space is installed on one side of the magnet, and the yoke is a rotor yoke, and the magnetic space is located on the outer peripheral side of the rotation axis side end surface extension line of the magnet and the rotation axis side end surface corner portion of the magnet. A line connecting the point offset by an amount and the bisector of the magnetic pole portion between the magnets and the intersection of the outer peripheral edge of the rotor yoke and the bisector of the magnet portion offset to the magnet side by a predetermined dimension. claim 1 yoke electric motive or generator, wherein it has a substantially triangular surrounded by.
互いに周方向に対向するように内蔵してなる電動機又はAn electric motor built in so as to face each other in the circumferential direction, or
発電機のヨークにおいて、ロータとステータとの間に形Formed between the rotor and stator in the generator yoke.
成されるエアギャップとは反対側の前記磁石端部付近のNear the end of the magnet on the side opposite to the air gap formed
ヨーク本体に、該ヨーク本体を切断しない程度の磁気的The yoke body is magnetic enough not to cut the yoke body.
空間を前記磁石の一方に設置し、前記ヨークは、ロータA space is installed on one side of the magnet, and the yoke is a rotor.
ヨークであって、前記磁気的空間を、前記磁石の回転軸A yoke, wherein the magnetic space is the rotation axis of the magnet
側端面延長線、前記磁石の回転軸側端面隅角部より外周Side end face extension line, outer circumference from the rotation shaft side end face corner of the magnet
側に所定寸法オフセットした点と前記磁石相互間の磁極The magnetic pole between the magnet and the point offset by a predetermined dimension to the side
部の２等分線と前記ロータヨークの外周縁部との交点とAnd the intersection of the bisector of the portion and the outer peripheral edge of the rotor yoke
を結ぶ線及び前記磁極部の２等分線を前記磁石側に所定The line connecting the two and the bisector of the magnetic pole are predetermined on the magnet side.
寸法オフセットした線によりそれぞれ囲まれた三角形のDimension of triangles each surrounded by offset lines
領域内に設置したことを特徴とする請求項１記載の電動The electric motor according to claim 1, wherein the electric motor is installed in the area.
機又は発電機のヨーク。Machine or generator yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04576693A JP3425176B2 (en) | 1993-02-10 | 1993-02-10 | Motor or generator yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04576693A JP3425176B2 (en) | 1993-02-10 | 1993-02-10 | Motor or generator yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06245419A JPH06245419A (en) | 1994-09-02 |
| JP3425176B2 true JP3425176B2 (en) | 2003-07-07 |
Family
ID=12728419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04576693A Expired - Lifetime JP3425176B2 (en) | 1993-02-10 | 1993-02-10 | Motor or generator yoke |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3425176B2 (en) |
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| TWI625029B (en) * | 2017-04-26 | 2018-05-21 | 大銀微系統股份有限公司 | Interior-permanent-magnet motor |
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|---|---|---|---|---|
| CN102656773A (en) * | 2010-01-19 | 2012-09-05 | 株式会社安川电机 | Rotor, rotating electrical machine using same, and power generator |
| CN102656773B (en) * | 2010-01-19 | 2014-09-17 | 株式会社安川电机 | Rotor, rotating electrical machine using same, and power generator |
| WO2014119239A1 (en) | 2013-01-31 | 2014-08-07 | マブチモーター株式会社 | Rotor and motor |
| EP2953240A4 (en) * | 2013-01-31 | 2016-11-09 | Mabuchi Motor Co | Rotor and motor |
| TWI625029B (en) * | 2017-04-26 | 2018-05-21 | 大銀微系統股份有限公司 | Interior-permanent-magnet motor |
| DE102017111174A1 (en) | 2017-05-22 | 2018-11-22 | Hiwin Mikrosystem Corp. | Interior permanent magnet motor |
| DE102017130608A1 (en) | 2017-12-19 | 2019-06-19 | Hiwin Mikrosystem Corp. | Rotor of a rotary motor |
| US11770037B2 (en) | 2020-03-26 | 2023-09-26 | Aisin Corporation | Motor, actuator, and manufacturing method of rotor provided at motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06245419A (en) | 1994-09-02 |
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