JP2001268828A - Motor rotor - Google Patents
Motor rotorInfo
- Publication number
- JP2001268828A JP2001268828A JP2000075415A JP2000075415A JP2001268828A JP 2001268828 A JP2001268828 A JP 2001268828A JP 2000075415 A JP2000075415 A JP 2000075415A JP 2000075415 A JP2000075415 A JP 2000075415A JP 2001268828 A JP2001268828 A JP 2001268828A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- rotor
- stopper
- central portion
- rotating shaft
- 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.)
- Granted
Links
Landscapes
- Motor Or Generator Frames (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はモータのロータに係
り、詳しくはロータコアの防振構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor rotor, and more particularly, to a vibration isolating structure for a rotor core.
【０００２】[0002]
【従来の技術】図５（ａ）は従来のモータのロータの一
例を示す左側面図、（ｂ）はＡＯＢ断面図、（ｃ）は右
側面図である。従来、モータのロータ１は、外周部に永
久磁石４を配し、同永久磁石４と中心部に設けられた回
転軸３に嵌合されたロータコア２との間の空隙部に２個
のゴムによる緩衝部材５を対向して配置する。それとと
もに、同緩衝部材５の外端面を各々押さえる端板６によ
って保持し、ピン１１とストッパ１２により嵌合してい
た。2. Description of the Related Art FIG. 5A is a left side view showing an example of a conventional motor rotor, FIG. 5B is an AOB sectional view, and FIG. 5C is a right side view. 2. Description of the Related Art Conventionally, a rotor 1 of a motor has a permanent magnet 4 disposed on an outer peripheral portion thereof, and two rubbers are provided in a gap between the permanent magnet 4 and a rotor core 2 fitted to a rotating shaft 3 provided at a central portion. Are arranged facing each other. At the same time, the outer end surfaces of the cushioning members 5 are held by end plates 6 that press the respective members, and fitted by pins 11 and stoppers 12.
【０００３】しかしながら、前記永久磁石４に対し緩衝
部材５及びロータコア２を回転軸方向から挿入するとと
もに、その方向に嵌合し取付けるため前記緩衝部材５が
２個となり、材料費、取付工数がかかりコスト削減の障
害となるおそれがあり問題となっていた。また、前記緩
衝部材５の緩衝効果を損ねることなく前記永久磁石４と
回転軸のズレ（外周振れ）を防止するため、同永久磁石
４の外径を切削しており、工数増加となるおそれがあり
問題となっていた。さらに、前記緩衝部材５を１個にす
ると、前記永久磁石４の抜止め手段が必要となり、コス
トアップとなるおそれがあり問題となっていた。一方、
特開平９−１４９５７１に開示された防振構造の技術
は、部品点数が多くなり、製造工程が多くなるととも
に、永久磁石と回転軸のズレを低減する構造を有してい
ない問題が残されている。However, the buffer member 5 and the rotor core 2 are inserted into the permanent magnet 4 in the direction of the rotation axis, and two buffer members 5 are required for fitting and mounting in the direction. This could be an obstacle to cost reduction and was a problem. Further, the outer diameter of the permanent magnet 4 is cut in order to prevent the displacement (peripheral runout) between the permanent magnet 4 and the rotating shaft without impairing the buffering effect of the buffer member 5, and the man-hour may be increased. There was a problem. Further, when the number of the buffer members 5 is one, a means for preventing the permanent magnets 4 from being removed is required, which may increase the cost, which is a problem. on the other hand,
The technique of the vibration isolating structure disclosed in Japanese Patent Application Laid-Open No. 9-149571 has a problem that the number of parts increases, the number of manufacturing steps increases, and there is no structure that reduces the displacement between the permanent magnet and the rotating shaft. I have.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、上記従来の
問題点に鑑みなされたもので、モータのロータの振動、
騒音を削減するとともに永久磁石と回転軸のズレを低減
して信頼性を向上し、製造コストを削減したモータのロ
ータを提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has been made in consideration of the vibration of a motor rotor.
It is an object of the present invention to provide a motor rotor in which noise is reduced, a displacement between a permanent magnet and a rotating shaft is reduced, reliability is improved, and manufacturing costs are reduced.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、円筒状の内周に内方に突出する凸部を備えた永久磁
石と、中心部に設けられた回転軸に嵌合され外周に回り
止を有するロータコアと、同ロータコアと前記永久磁石
との間の空隙部に配置され、中心部に挿通孔と、前記回
り止と嵌合される嵌合溝と、外周部に前記凸部と嵌合さ
れる嵌合溝と、一側に前記永久磁石の凸部の一端と当接
されるフランジと、前記外周部の嵌合孔と前記中心部の
挿通孔の間の他側縁に、前記凸部の長さに対応し内方に
突出する抜止めを有する緩衝部材と、同緩衝部材の外端
面に配設され中心部に挿通孔を有する一対の端板とから
なり、前記緩衝部材のフランジと抜止めとの間に前記永
久磁石の凸部を挟持するとともに、前記端板を前記回転
軸に両端から挿入固定してなるようにする。In order to achieve the above object, a permanent magnet having a cylindrical inner periphery having a protruding portion protruding inward and an outer periphery fitted to a rotating shaft provided at the center are provided. A rotor core having a detent, a through-hole disposed in a gap between the rotor core and the permanent magnet, an insertion hole in the center, a fitting groove to be fitted with the detent, and a protrusion on the outer peripheral part. A fitting groove to be fitted with, a flange abutting on one side with one end of the protrusion of the permanent magnet, and a second side edge between the fitting hole of the outer peripheral portion and the insertion hole of the central portion. A cushioning member having a retaining member protruding inward corresponding to the length of the convex portion, and a pair of end plates provided on an outer end surface of the cushioning member and having an insertion hole at a central portion thereof, Insert the end plate into the rotating shaft from both ends while sandwiching the projection of the permanent magnet between the flange of the member and the stopper. To be in constant.
【０００６】そして、前記緩衝部材の抜止めを、挟持さ
れる際に内方から外方に反転突出するようにしてなるよ
うにする。[0006] The stopper of the cushioning member is configured to be inverted and protruded from the inside to the outside when sandwiched.
【０００７】また、前記緩衝部材の抜止めの円周方向側
部に切欠を形成してなるようにする。[0007] Further, a cutout is formed in a circumferential side portion of the stopper of the cushioning member.
【０００８】さらに、前記緩衝部材の抜止めの軸方向断
面形状を、扇形にしてなるようにする。[0008] Further, the axial cross-sectional shape of the stopper of the cushioning member is made sector-shaped.
【０００９】[0009]
【発明の実施の形態】発明の実施の形態を実施例に基づ
き添付図面を参照して詳細に説明する。図１（ａ）は、
本発明によるロータの一例を示す左側面図、（ｂ）はＡ
ＯＢ断面図、（ｃ）は右側面図、図２（ａ）は、本発明
によるロータの緩衝部材の一実施例を示す左側面図、
（ｂ）は、ＡＡ断面図、（ｃ）は、右側面図、（ｄ）
は、ＢＢ断面図、図３は、本発明によるロータの図１に
対応するＡＯＢ要部拡大断面図、図４は、本発明による
ロータの端板の一実施例を示す側面図である。ここで、
従来例と同じ部分の符号は同一とする。図において、１
はロータ、２はロータコア、３は回転軸、３ａは回り
止、４は永久磁石、４ａは凸部、４ｂは面取部、５は緩
衝部材、５ａは挿通孔、５ｂは嵌合溝、５ｃは嵌合溝、
５ｄは抜止め、５ｅは切欠、５ｚはフランジ、６は端
板、６ａはフランジ、６ｂは挿通孔、６ｃはカシメ部を
示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail based on embodiments with reference to the accompanying drawings. FIG. 1 (a)
FIG. 5B is a left side view showing an example of the rotor according to the present invention, and FIG.
OB sectional view, (c) is a right side view, FIG. 2 (a) is a left side view showing one embodiment of the cushioning member of the rotor according to the present invention,
(B) is an AA sectional view, (c) is a right side view, (d)
Is a sectional view taken along the line BB, FIG. 3 is an enlarged sectional view of a main part of the AOB corresponding to FIG. 1 of the rotor according to the present invention, and FIG. 4 is a side view showing an embodiment of an end plate of the rotor according to the present invention. here,
The same reference numerals are used for the same parts as in the conventional example. In the figure, 1
Is a rotor, 2 is a rotor core, 3 is a rotating shaft, 3a is a rotation stop, 4 is a permanent magnet, 4a is a convex portion, 4b is a chamfered portion, 5 is a buffer member, 5a is an insertion hole, 5b is a fitting groove, 5c. Is the mating groove,
5d is a stopper, 5e is a notch, 5z is a flange, 6 is an end plate, 6a is a flange, 6b is an insertion hole, and 6c is a swaged portion.
【００１０】この実施例によるロータ１は、ロータコア
２、回転軸３及び回り止３ａ、永久磁石４、緩衝部材
５、端板６などから構成される。先ず、主な構成部品に
ついて説明すると、中心部には前記回転軸３に嵌合され
外周に回り止３ａを有するロータコア２が設けられる。
また、前記永久磁石４は、円筒状の内周に内方に突出す
る凸部４ａを備えている。そして、前記ロータコア２と
前記永久磁石４との間の空隙部に配置される緩衝部材５
は、材質がゴムであり、中心部に挿通孔５ａと、前記回
り止３ａと嵌合される嵌合溝５ｂと、外周部に前記凸部
４ａと嵌合される嵌合溝５ｃと、一側に前記永久磁石４
の凸部４ａの一端と当接されるフランジ５ｚと、前記外
周部の嵌合孔５ｃと前記中心部の挿通孔５ａの間の他側
縁に、内方に突出する抜止め５ｄと、同抜止めの円周方
向側部に切欠５ｅを有している。A rotor 1 according to this embodiment includes a rotor core 2, a rotating shaft 3, a rotation stopper 3a, a permanent magnet 4, a buffer member 5, an end plate 6, and the like. First, the main components will be described. At the center, a rotor core 2 fitted to the rotating shaft 3 and having a detent 3a on the outer periphery is provided.
Further, the permanent magnet 4 has a convex portion 4a protruding inward on a cylindrical inner periphery. Then, a cushioning member 5 arranged in a gap between the rotor core 2 and the permanent magnet 4
Is made of rubber, and has an insertion hole 5a at the center, a fitting groove 5b fitted to the detent 3a, and a fitting groove 5c fitted at the outer periphery to the projection 4a. The permanent magnet 4 on the side
A flange 5z abutting on one end of the convex portion 4a, and a retaining stopper 5d protruding inward at the other side edge between the fitting hole 5c in the outer peripheral portion and the insertion hole 5a in the central portion. A notch 5e is provided on the circumferential side of the stopper.
【００１１】また、前記緩衝部材５の外端面に配設され
る一対の端板６は、中心部に挿通孔６ｂとカシメ部６ｃ
と外周部に前記緩衝部材５に対向し突出するフランジ６
ａを有している。このような構成部品を用いて、前記緩
衝部材５のフランジ５ｚと抜止め５ｄとの間に前記永久
磁石４の凸部４ａを挟持するとともに、前記端板６を前
記回転軸３に両端から挿入し前記カシメ部６ｃによりか
しめ固定している。A pair of end plates 6 provided on the outer end surface of the buffer member 5 has an insertion hole 6b and a caulking portion 6c at the center.
And a flange 6 protruding from the outer peripheral portion so as to face the buffer member 5
a. Using such components, the convex portion 4a of the permanent magnet 4 is sandwiched between the flange 5z of the cushioning member 5 and the stopper 5d, and the end plate 6 is inserted into the rotating shaft 3 from both ends. It is caulked and fixed by the caulking portion 6c.
【００１２】そして、前記緩衝部材５の抜止め５ｄを、
挟持される際に内方から外方に反転突出するようにして
いる。この実施例では、前記緩衝部材５の抜止め５ｄの
軸方向断面形状を、扇形にしている。Then, the stopper 5d of the cushioning member 5 is
When it is pinched, it is configured to protrude from the inside outward. In this embodiment, the axial cross section of the retaining member 5d of the cushioning member 5 has a fan shape.
【００１３】次いで、上述の実施例による本発明の作
用、効果について説明する。前記緩衝部材５の一側に設
けたフランジ５ｚと前記永久磁石４の凸部４ａの一端を
当接するとともに、前記緩衝部材５の抜止め５ｄを前記
端板６と前記永久磁石４の凸部４ａの間に挟持している
ので、前記ロータ１の振動、騒音を削減するとともに、
前記永久磁石４と回転軸３の回転中心とのズレ（振れ）
を押さえ、前記永久磁石４の脱落を防止し信頼性を向上
させることができる。Next, the operation and effect of the present invention according to the above embodiment will be described. The flange 5z provided on one side of the buffer member 5 is in contact with one end of the protrusion 4a of the permanent magnet 4, and the stopper 5d of the buffer member 5 is fixed to the end plate 6 and the protrusion 4a of the permanent magnet 4. , So that vibration and noise of the rotor 1 can be reduced,
Deviation (vibration) between the permanent magnet 4 and the rotation center of the rotating shaft 3
, The permanent magnet 4 can be prevented from falling off, and the reliability can be improved.
【００１４】また、前記緩衝部材５はゴム製の１部品で
あるため、２部品の場合と比較しモータのロータ１の組
立作業性を改善でき、さらに前記緩衝部材５の抜止め５
ｄの軸方向断面形状を扇形にし、同抜止めの円周方向側
部に切欠５ｅを有しており、ゴムの形状自在性を利用
し、該緩衝部材５の抜止め５ｄが挟持される際に外方に
反転突出し易くしているので、製造コストを削減するこ
とができる。一方、前記永久磁石４を軸方向端部にて支
持する構造のため、前記永久磁石４と回転軸３の回転中
心とのズレ（振れ）を抑制でき、この結果、前記永久磁
石４の外径を前記ズレ（振れ）の修正のため切削するこ
とが不要となり、製造工数を削減できる。Further, since the cushioning member 5 is made of one piece of rubber, the workability of assembling the rotor 1 of the motor can be improved as compared with the case of two parts.
d has a fan-shaped cross-sectional shape in the axial direction, and has a notch 5e on the circumferential side portion of the stopper. When the stopper 5d of the cushioning member 5 is clamped by using the flexibility of rubber. In this case, the protruding portion is easily outwardly protruded, so that the manufacturing cost can be reduced. On the other hand, the structure in which the permanent magnet 4 is supported at the end in the axial direction makes it possible to suppress the deviation (vibration) between the permanent magnet 4 and the rotation center of the rotating shaft 3, and as a result, the outer diameter of the permanent magnet 4 Need not be cut to correct the deviation (runout), and the number of manufacturing steps can be reduced.
【００１５】[0015]
【発明の効果】以上のように本発明においては、円筒状
の内周に内方に突出する凸部を備えた永久磁石と、中心
部に設けられた回転軸に嵌合され外周に回り止を有する
ロータコアと、同ロータコアと前記永久磁石との間の空
隙部に配置され、中心部に挿通孔と、前記回り止と嵌合
される嵌合溝と、外周部に前記凸部と嵌合される嵌合溝
と、一側に前記永久磁石の凸部の一端と当接されるフラ
ンジと、前記外周部の嵌合孔と前記中心部の挿通孔の間
の他側縁に、前記凸部の長さに対応し内方に突出する抜
止めを有する緩衝部材と、同緩衝部材の外端面に配設さ
れ中心部に挿通孔を有する一対の端板とからなり、前記
緩衝部材のフランジと抜止めとの間に前記永久磁石の凸
部を挟持するとともに、前記端板を前記回転軸に両端か
ら挿入固定してなるようにした。この結果、モータのロ
ータの振動、騒音を削減するとともに永久磁石と回転軸
のズレ（外周振れ）を低減して信頼性を向上し、製造コ
ストを削減したモータのロータを提供することができ
る。As described above, according to the present invention, a permanent magnet provided with a convex portion protruding inward on a cylindrical inner periphery, and a non-rotatable outer periphery fitted on a rotating shaft provided at a central portion. A rotor core having the same, an insertion hole disposed at a center portion between the rotor core and the permanent magnet, a fitting groove fitted to the detent, a fitting groove fitted to the outer peripheral portion, and a fitting portion fitted to the outer peripheral portion. A fitting groove, a flange abutting on one side with one end of the convex portion of the permanent magnet, and the other side edge between the fitting hole of the outer peripheral portion and the insertion hole of the central portion, A buffer member having a retaining member protruding inward corresponding to the length of the portion, and a pair of end plates disposed on the outer end surface of the buffer member and having an insertion hole in the center portion, the flange of the buffer member The end plate is inserted and fixed to the rotary shaft from both ends while the convex portion of the permanent magnet is held between It was so. As a result, it is possible to provide a motor rotor in which the vibration and noise of the motor rotor are reduced, the deviation (peripheral runout) between the permanent magnet and the rotary shaft is reduced, the reliability is improved, and the manufacturing cost is reduced.
【図１】（ａ）は、本発明によるロータの一例を示す左
側面図、（ｂ）はＡＯＢ断面図、（ｃ）は右側面図であ
る。1A is a left side view showing an example of a rotor according to the present invention, FIG. 1B is an AOB sectional view, and FIG. 1C is a right side view.
【図２】（ａ）は、本発明によるロータの緩衝部材の一
実施例を示す左側面図、（ｂ）は、ＡＡ断面図、（ｃ）
は、右側面図、（ｄ）は、ＢＢ断面図である。2A is a left side view showing an embodiment of a buffer member of a rotor according to the present invention, FIG. 2B is an AA sectional view, and FIG.
Is a right side view, and (d) is a BB sectional view.
【図３】本発明によるロータの図１に対応するＡＯＢ要
部拡大断面図である。FIG. 3 is an enlarged sectional view of a main part of an AOB corresponding to FIG. 1 of the rotor according to the present invention.
【図４】本発明によるロータの端板の一実施例を示す側
面図である。FIG. 4 is a side view showing an embodiment of the end plate of the rotor according to the present invention.
【図５】（ａ）は従来のモータのロータの一例を示す左
側面図、（ｂ）はＡＯＢ断面図、（ｃ）は右側面図であ
る。5A is a left side view showing an example of a rotor of a conventional motor, FIG. 5B is an AOB sectional view, and FIG. 5C is a right side view.
１ ロータ ２ ロータコア ３ 回転軸 ３ａ 回り止 ４ 永久磁石 ４ａ 凸部 ５ 緩衝部材 ５ａ 挿通孔 ５ｂ 嵌合溝 ５ｃ 嵌合溝 ５ｄ 抜止め ５ｅ 切欠 ６ 端板 ６ａ フランジ ６ｂ 挿通孔 ６ｃ カシメ部 DESCRIPTION OF SYMBOLS 1 Rotor 2 Rotor core 3 Rotating shaft 3a Non-rotating 4 Permanent magnet 4a Convex part 5 Buffer member 5a Insertion hole 5b Fitting groove 5c Fitting groove 5d Retainer 5e Notch 6 End plate 6a Flange 6b Insertion hole 6c
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 5H002 AA04 AB07 AC06 5H605 AA05 AA07 BB05 CC03 CC05 CC10 DD01 EA07 EA09 FF08 GG04 GG06 5H622 CA01 CA05 CB04 PP04 PP10 PP11 PP14 PP16 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5H002 AA04 AB07 AC06 5H605 AA05 AA07 BB05 CC03 CC05 CC10 DD01 EA07 EA09 FF08 GG04 GG06 5H622 CA01 CA05 CB04 PP04 PP10 PP11 PP14 PP16
Claims (4)
えた永久磁石と、 中心部に設けられた回転軸に嵌合され外周に回り止を有
するロータコアと、 同ロータコアと前記永久磁石との間の空隙部に配置さ
れ、中心部に挿通孔と、前記回り止と嵌合される嵌合溝
と、外周部に前記凸部と嵌合される嵌合溝と、一側に前
記永久磁石の凸部の一端と当接されるフランジと、前記
外周部の嵌合孔と前記中心部の挿通孔の間の他側縁に、
前記凸部の長さに対応し内方に突出する抜止めを有する
緩衝部材と、 同緩衝部材の外端面に配設され中心部に挿通孔を有する
一対の端板とからなり、 前記緩衝部材のフランジと抜止めとの間に前記永久磁石
の凸部を挟持するとともに、前記端板を前記回転軸に両
端から挿入固定してなることを特徴とするモータのロー
タ。1. A permanent magnet having a cylindrical inner periphery provided with a protruding portion projecting inward, a rotor core fitted on a rotating shaft provided at a central portion and having a detent on the outer periphery; An insertion hole disposed in a gap between the permanent magnet and a central portion, a fitting groove fitted with the rotation preventing member, a fitting groove fitted with the convex portion on an outer peripheral portion, and one side. A flange abutting on one end of the projection of the permanent magnet, and on the other side edge between the fitting hole of the outer peripheral portion and the insertion hole of the central portion,
A buffer member having a retaining member that protrudes inward corresponding to the length of the convex portion; and a pair of end plates that are provided on an outer end surface of the buffer member and that have an insertion hole at a central portion thereof. A rotor for a motor, wherein the protrusion of the permanent magnet is sandwiched between the flange and the stopper, and the end plate is inserted and fixed to the rotating shaft from both ends.
に内方から外方に反転突出するようにしてなることを特
徴とする請求項１記載のモータのロータ。2. The motor rotor according to claim 1, wherein the stopper of the cushioning member is configured to protrude from the inside to the outside when it is pinched.
切欠を形成してなることを特徴とする請求項２記載のモ
ータのロータ。3. The motor rotor according to claim 2, wherein a notch is formed in a circumferential side portion of the stopper of the buffer member.
を、扇形にしてなることを特徴とする請求項１乃至請求
項３記載のモータのロータ。4. The rotor for a motor according to claim 1, wherein the retaining member has a fan-shaped axial cross-sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000075415A JP4547763B2 (en) | 2000-03-17 | 2000-03-17 | Motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000075415A JP4547763B2 (en) | 2000-03-17 | 2000-03-17 | Motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001268828A true JP2001268828A (en) | 2001-09-28 |
| JP4547763B2 JP4547763B2 (en) | 2010-09-22 |
Family
ID=18593315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000075415A Expired - Fee Related JP4547763B2 (en) | 2000-03-17 | 2000-03-17 | Motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4547763B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244425A (en) * | 2010-05-12 | 2011-11-16 | 株式会社电装 | Rotor of rotary motor |
| CN107294238A (en) * | 2016-03-30 | 2017-10-24 | 建准电机工业股份有限公司 | Axial induction motor, fan and rotor thereof |
| CN108988525A (en) * | 2017-06-03 | 2018-12-11 | 建准电机工业股份有限公司 | Counterweight rotor |
| CN111373639A (en) * | 2017-11-20 | 2020-07-03 | 韩国电气研究院 | Rotor of electric motor, electric motor having the same, supercharger having the electric motor, and method of assembling the electric motor |
| CN112134380A (en) * | 2020-08-12 | 2020-12-25 | 浙江迪贝电气股份有限公司 | Permanent magnet motor rotor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0865932A (en) * | 1994-08-25 | 1996-03-08 | Japan Servo Co Ltd | Permanent-magnet rotor |
| JPH09149571A (en) * | 1995-11-22 | 1997-06-06 | Kusatsu Denki Kk | Rotor of permanent magnet motor |
-
2000
- 2000-03-17 JP JP2000075415A patent/JP4547763B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0865932A (en) * | 1994-08-25 | 1996-03-08 | Japan Servo Co Ltd | Permanent-magnet rotor |
| JPH09149571A (en) * | 1995-11-22 | 1997-06-06 | Kusatsu Denki Kk | Rotor of permanent magnet motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244425A (en) * | 2010-05-12 | 2011-11-16 | 株式会社电装 | Rotor of rotary motor |
| CN107294238A (en) * | 2016-03-30 | 2017-10-24 | 建准电机工业股份有限公司 | Axial induction motor, fan and rotor thereof |
| CN108988525A (en) * | 2017-06-03 | 2018-12-11 | 建准电机工业股份有限公司 | Counterweight rotor |
| CN111373639A (en) * | 2017-11-20 | 2020-07-03 | 韩国电气研究院 | Rotor of electric motor, electric motor having the same, supercharger having the electric motor, and method of assembling the electric motor |
| CN111373639B (en) * | 2017-11-20 | 2022-07-22 | 韩国电气研究院 | Rotor of motor, motor with rotor, supercharger with motor and assembling method of motor |
| CN112134380A (en) * | 2020-08-12 | 2020-12-25 | 浙江迪贝电气股份有限公司 | Permanent magnet motor rotor |
| CN112134380B (en) * | 2020-08-12 | 2023-11-03 | 浙江迪贝电气股份有限公司 | Permanent magnet motor rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4547763B2 (en) | 2010-09-22 |
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