JPS6111969Y2 - - Google Patents
Info
- Publication number
- JPS6111969Y2 JPS6111969Y2 JP7226579U JP7226579U JPS6111969Y2 JP S6111969 Y2 JPS6111969 Y2 JP S6111969Y2 JP 7226579 U JP7226579 U JP 7226579U JP 7226579 U JP7226579 U JP 7226579U JP S6111969 Y2 JPS6111969 Y2 JP S6111969Y2
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- resin layer
- stator
- circumferential surface
- inner circumferential
- 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
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 43
- 239000000057 synthetic resin Substances 0.000 claims description 43
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 14
- 239000011800 void material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Description
【考案の詳細な説明】
本考案は合成樹脂モールド形の外転形電動機に
関するもので、その目的は、固定子鉄心内周面及
び固定子巻線を合成樹脂層によつてモールドさせ
ることにより固定子を形成し、この固定子の合成
樹脂層に内周面に軸受機構部を圧入するととも
に、前記合成樹脂層の型成形時にゲートと対応し
た合成樹脂層の内周面と前記軸受機構部の外周面
との間に両者の内の一方に他方とは非接触状態と
なる非接触部を設けることにより空隙部を形成す
る構成とすることによつて、合成樹脂層の内周面
に軸受機構部を圧入した時にその合成樹脂層が圧
入代を吸収することになつて固定子鉄心が変形を
生ずることはなく、従つて固定子鉄心の変形によ
る性能への悪影響を防止し得、更に合成樹脂層の
成形時にその内周面の成形型のゲートと対応する
部位に必然的に形成される凹凸部を軸受機構部の
合成樹脂層の内周面に対する圧入時に両者の間に
形成された空隙部によつて逃げることができ、従
つてその凹凸部を除去する必要がなく、凹凸部を
除去する後加工が不要になつて工数低減を図り得
る外転形電動機を提供するにある。[Detailed description of the invention] The present invention relates to a synthetic resin molded external rotor electric motor, and its purpose is to fix the inner peripheral surface of the stator core and the stator windings by molding them with a synthetic resin layer. A bearing mechanism section is press-fitted onto the inner circumferential surface of the synthetic resin layer of the stator, and the inner circumferential surface of the synthetic resin layer corresponding to the gate and the bearing mechanism section are press-fitted into the inner circumferential surface of the synthetic resin layer of the stator. By forming a gap between the outer peripheral surface and the other by providing a non-contact part on one of the two, a bearing mechanism is formed on the inner peripheral surface of the synthetic resin layer. When the parts are press-fitted, the synthetic resin layer absorbs the press-fitting allowance and the stator core does not deform.This prevents the deformation of the stator core from having an adverse effect on performance. The unevenness that is inevitably formed on the inner peripheral surface of the layer corresponding to the gate of the mold when the layer is molded is replaced by the void that is formed between the synthetic resin layer of the bearing mechanism when the inner peripheral surface of the synthetic resin layer is press-fitted into the inner peripheral surface of the bearing mechanism. To provide an external rotor type electric motor which can be removed by the process, which eliminates the need to remove the uneven parts, eliminates the need for post-processing to remove the uneven parts, and can reduce the number of man-hours.
以下本考案の一実施例を図面に基づいて説明す
る。１は固定子であり、これは、多数の珪素鋼板
を積層して成る環状の固定子鉄心２に固定子巻線
３が巻装され、上記固定子鉄心２の内周面の全域
及び固定子巻線３の両端部が合成樹脂層４によつ
てモールドされた構成で、固定子鉄心２の外周面
２ａが合成樹脂層４により露出されているととも
に、中心部には円筒状の軸受孔部５が形成されて
いる。而して、この固定子１は、第３図に示され
るような成形型Ａによつて型成形されるものであ
り、以下これについて述べる。即ち、Ｂは第１の
金型であり、これには前記固定子鉄心２及び固定
子巻線３の左端部を収納する環状の成形凹部Ｃが
形成されており、更に中央部には左右に貫通して
注湯口Ｄが形成されている。Ｅは第２の金型であ
り、これには前記固定子巻線３の右端部を収納す
る環状の成形凹部Ｆが形成されている。そして第
１の金型Ｂの成型凹部Ｃに固定子鉄心２及び固定
子巻線３の左端部を収納し、更に第１の金型Ｂの
右端面に第２の金型Ｅの左端面を当接させると、
成形凹部Ｆに固定子巻線３の右端部が収納される
ようになり、金型Ｂ及びＥと固定子鉄心２の内周
面２ｂ及び固定子巻線３の左右両端部との間には
空隙Ｇが形成され、金型Ｂ及びＥの中央部間には
注湯口Ｄと連通し互いに反対方向に指向するゲー
トＨ，Ｈが形成され、これらのゲートＨ，Ｈの出
口Ha，Haは前記固定子鉄心２の内周面２ｂの中
央部に対向するようになつている。而して、前記
注湯口Ｄから図示しない合成樹脂溶湯を注入する
と、この合成樹脂溶湯はゲートＨ，Ｈの出口
Ha，Haから固定子鉄心２の内周面２ｂの中央部
に噴射され、更に左右に方向変換されて空隙Ｃ全
域に供給され、合成樹脂層４が形成されるように
なる。このようにして固定子１を型成形した後に
成形型Ａから取外すと、合成樹脂層４の内の固定
子鉄心２の内周面２ｂをモールドする合成樹脂層
４ａにおいて前記ゲートＨ，Ｈの出口Ha，Haに
対応する内周面に必然的に凹凸部６，６が形成さ
れるものである。一方、７は軸受機構部であり、
以下これについて述べる。即ち、８は軸受支持体
であり、これは右端を閉塞した円筒体の周壁の対
応する二個所に非接触部たる平坦面８ａ，８ａを
形成した如き形状をなし、内部に軸受メタル９及
び含油部材１０が嵌着固定されており、左端開口
部には蓋１１が嵌着固定されている。そして、こ
の軸受機構部７は前記固定子１の合成樹脂層４の
内周面たる軸受孔部５の周面に左方から圧入固定
されており、この時軸受支持体８の平坦面８ａ，
８ａが合成樹脂層４aの内周面とは非接触状態に
なつてその凹凸部６，６を有する部位に対応して
これらの間に空隙部１２，１２を形成している。
１３は回転子であり、これは、右端を閉塞した円
筒状の回転子支持体１４に内周面１５ａが露出す
るように回転子鉄心１５を埋設し、該回転子支持
体１４の右端閉塞部の中央部に回転軸１６の右端
部を嵌着固定した構成であり、その回転軸１６の
左端部が軸受支持体８に挿通されて軸受メタル９
に支承され、回転子鉄心１５の内周面１５ａが固
定子鉄心２の外周面２ａに所定の間隙をなして対
応するようになつている。 An embodiment of the present invention will be described below based on the drawings. Reference numeral 1 denotes a stator, in which a stator winding 3 is wound around an annular stator core 2 formed by laminating a large number of silicon steel plates, and the entire inner peripheral surface of the stator core 2 and the stator Both ends of the winding 3 are molded with a synthetic resin layer 4, and the outer peripheral surface 2a of the stator core 2 is exposed by the synthetic resin layer 4, and a cylindrical bearing hole is provided in the center. 5 is formed. The stator 1 is molded using a mold A as shown in FIG. 3, which will be described below. That is, B is a first mold, which is formed with an annular molding recess C that accommodates the left end portions of the stator core 2 and stator winding 3, and further has a molding recess C formed in the center on the left and right sides. A pouring spout D is formed through it. Reference numeral E denotes a second mold, in which an annular molding recess F for housing the right end portion of the stator winding 3 is formed. Then, the left end portions of the stator core 2 and stator winding 3 are stored in the molding recess C of the first mold B, and the left end surface of the second mold E is placed in the right end surface of the first mold B. When brought into contact,
The right end of the stator winding 3 is now accommodated in the molding recess F, and there are gaps between the molds B and E, the inner peripheral surface 2b of the stator core 2, and both left and right ends of the stator winding 3. A gap G is formed, and gates H and H that communicate with the pouring port D and are oriented in opposite directions are formed between the central parts of the molds B and E, and the exits Ha and Ha of these gates H and H are the same as those mentioned above. It faces the center of the inner circumferential surface 2b of the stator core 2. When a synthetic resin molten metal (not shown) is injected from the pouring port D, this synthetic resin molten metal flows through the exits of the gates H and H.
The particles Ha and Ha are injected onto the center of the inner circumferential surface 2b of the stator core 2, and the direction is changed left and right to be supplied to the entire gap C, forming the synthetic resin layer 4. When the stator 1 is molded in this way and then removed from the mold A, the exits of the gates H, Concave and convex portions 6, 6 are inevitably formed on the inner circumferential surface corresponding to Ha, Ha. On the other hand, 7 is a bearing mechanism section,
This will be discussed below. That is, 8 is a bearing support body, which has a shape such that flat surfaces 8a, 8a as non-contact parts are formed at two corresponding places on the peripheral wall of a cylindrical body with the right end closed, and the bearing metal 9 and oil-impregnated inside are formed. A member 10 is fitted and fixed, and a lid 11 is fitted and fixed to the left end opening. The bearing mechanism section 7 is press-fitted into the circumferential surface of the bearing hole section 5, which is the inner circumferential surface of the synthetic resin layer 4 of the stator 1, from the left side.
8a is in a non-contact state with the inner circumferential surface of the synthetic resin layer 4a , and voids 12, 12 are formed therebetween corresponding to the portions having the uneven portions 6, 6.
Reference numeral 13 denotes a rotor, in which a rotor core 15 is buried in a cylindrical rotor support 14 with the right end closed so that the inner circumferential surface 15a is exposed, and the rotor core 15 is buried in the right end closed part of the rotor support 14. The right end of the rotating shaft 16 is fitted and fixed in the center of the shaft, and the left end of the rotating shaft 16 is inserted into the bearing support 8 and the bearing metal 9
The inner peripheral surface 15a of the rotor core 15 corresponds to the outer peripheral surface 2a of the stator core 2 with a predetermined gap therebetween.
而して、図示しない電源スイツチを投入して固
定子巻線３に通電させると、固定子１に生ずる磁
界の作用により回転子１３が回転するようにな
り、この回転子１３の回転子支持体１４若しくは
回転軸１６に連結された負荷に動力を伝達させる
ものである。 When a power switch (not shown) is turned on to energize the stator winding 3, the rotor 13 begins to rotate due to the action of the magnetic field generated in the stator 1, and the rotor support of the rotor 13 rotates. 14 or a load connected to the rotating shaft 16.
このように本実施例によれば、固定子鉄心２の
内周面２ｂ及び固定子巻線３を合成樹脂層４によ
りモールドして固定子１を構成して、この時に固
定子鉄心２の内周面２ｂに合成樹脂層４ａを形成
するようにしたので、合成樹脂層４の内周面に軸
受機構部７を圧入する時にその圧入代が合成樹脂
層４ａによつて吸収されることになつて無理な力
が固定子鉄心２に加わることなく、従つて固定子
鉄心２が変形して性能に悪影響を及ぼすようなこ
とはない。又、本実施例によれば、軸受機構部７
の軸受支持体８に平坦面８ａ，８ａを形成して、
前記固定子１の合成樹脂層４の型成形時において
ゲートＨ，Ｈの出口Ha，Haに対応して必然的に
生ずる凹凸部６，６にその軸受支持体８の平坦面
８ａ，８ａを対応させて両者の間に空隙部１２，
１２を形成させるようにしたので、軸受機構部７
の圧入時にこれらの凹凸部６，６が何ら支障には
ならず、従つて固定子１の型形成後にこれらの凹
凸部６，６を除去すべく後加工即ち仕上げ成形加
工を行なう必要がなく、工数低減を図ることがで
きる。更に、本実施例によれば、固定子鉄心２の
内周面２ｂに合成樹脂層４ａ形成用の空隙部Ga
が形成されるようになり、従つてゲートＨ，Ｈか
らの合成樹脂溶湯はこの空隙部Gaを通つて固定
子巻線３の両端部に均一に供給されるようにな
り、該両端部を均一に合成樹脂層４でモールドで
きるようになつて成形性が向上するものであり、
又、ゲートＨ，Ｈの出口Ha，Haから空隙部Gaに
噴射された合成樹脂溶湯は固定子鉄心２の内周面
２ｂに衝突して左、右に分流されるので直接固定
子巻線３の端部に噴射されることはなく、従つて
噴射圧によつて固定子巻線３の端部が変形して絶
縁被覆が破れたり或いは断線したりするようなこ
とはない。 As described above, according to this embodiment, the stator 1 is constructed by molding the inner peripheral surface 2b of the stator core 2 and the stator winding 3 with the synthetic resin layer 4, and at this time, the inner peripheral surface 2b of the stator core 2 Since the synthetic resin layer 4a is formed on the peripheral surface 2b, when the bearing mechanism part 7 is press-fitted into the inner peripheral surface of the synthetic resin layer 4, the press-fitting allowance is absorbed by the synthetic resin layer 4a. Therefore, no unreasonable force is applied to the stator core 2, and therefore the stator core 2 is not deformed and its performance is not adversely affected. Further, according to this embodiment, the bearing mechanism section 7
Forming flat surfaces 8a, 8a on the bearing support 8 of
When molding the synthetic resin layer 4 of the stator 1, the flat surfaces 8a, 8a of the bearing support 8 correspond to the uneven portions 6, 6 that inevitably occur corresponding to the exits Ha, Ha of the gates H, H. so that a gap 12 is formed between the two,
12, the bearing mechanism section 7
These uneven portions 6, 6 do not pose any hindrance during the press-fitting of the stator 1, and therefore there is no need to perform post-processing, that is, finish molding, to remove these uneven portions 6, 6 after forming the mold of the stator 1. It is possible to reduce the number of man-hours. Furthermore, according to this embodiment, a void Ga for forming the synthetic resin layer 4a is formed on the inner circumferential surface 2b of the stator core 2.
Therefore, the synthetic resin molten metal from the gates H and H is uniformly supplied to both ends of the stator winding 3 through this gap Ga, and the both ends are uniformly distributed. It is possible to mold with the synthetic resin layer 4, improving moldability,
In addition, the synthetic resin molten metal injected into the gap Ga from the exits Ha and Ha of the gates H and H collides with the inner circumferential surface 2b of the stator core 2 and is divided to the left and right, so that it directly flows into the stator winding 3. Therefore, the ends of the stator winding 3 will not be deformed by the injection pressure and the insulation coating will not be torn or the wires will be disconnected.
尚、上記実施例では軸受支持体８及び合成樹脂
層４ａの内の一方たる軸受支持体８に平坦面８
ａ，８ａを形成し他方たる合成樹脂層４ａの凹凸
部６，６が形成された部位との間に空隙部１２，
１２を形成するようにしたが、代りに合成樹脂層
４ａの凹凸部６，６が形成される部位を非接触部
たる凹条部に形成して軸受機構部の圧入時に空隙
部１２，１２と同様な空隙部を形成してもよい。 In the above embodiment, the bearing support 8, which is one of the bearing support 8 and the synthetic resin layer 4a, has a flat surface 8.
a, 8a, and a portion of the other synthetic resin layer 4a where the uneven portions 6, 6 are formed, a void portion 12,
12, but instead, the portions of the synthetic resin layer 4a where the uneven portions 6, 6 are formed are formed into grooved portions, which are non-contact portions, so that when the bearing mechanism portion is press-fitted, the portions where the uneven portions 6, 6 are formed are formed into grooves 12, 12. Similar voids may also be formed.
その他、本考案は上記し且つ図面に示す実施例
のみに限定されるものではなく、要旨を逸脱しな
い範囲で種々変更して実施できる。 In addition, the present invention is not limited to the embodiments described above and shown in the drawings, but can be implemented with various modifications without departing from the gist.
本考案は以上説明したように、固定子鉄心の内
周面及び固定子巻線を合成樹脂層によつてモール
ドすることにより固定子を形成し、この固定子の
合成樹脂層の内周面に軸受機構部を圧入するとと
もに、前記合成樹脂層の型成形時にゲートに対応
した合成樹脂層の内周面と前記軸受機構部の外周
面との間に両者の内の一方に他方とは非接触状態
となる非接触部を設けることにより空隙部を形成
する構成としたので、合成樹脂層の内周面に軸受
機構部を圧入した時にその合成樹脂層が圧入代を
吸収することになつて固定子鉄心が変形を生ずる
ことなく、従つて固定子鉄心の変形による性能へ
の悪影響を防止し得、更に合成樹脂層の成形時に
その内周面の成形型のゲートと対応する部位に必
然的に形成される凹凸部を軸受機構部の合成樹脂
層の内周面に対する圧入時に両者の間に形成され
た空隙部によつて逃げることができ、従つてその
凹凸部を除去する必要がなく、凹凸部を除去する
後加工が不要になつて工数低減を図り得る外転形
電動機を供給できる。 As explained above, the present invention forms a stator by molding the inner circumferential surface of the stator core and the stator winding with a synthetic resin layer, and the inner circumferential surface of the synthetic resin layer of the stator At the same time as press-fitting the bearing mechanism, when molding the synthetic resin layer, one of the two is placed between the inner circumferential surface of the synthetic resin layer corresponding to the gate and the outer circumferential surface of the bearing mechanism without contacting the other. By providing a non-contact part, the structure forms a gap, so when the bearing mechanism part is press-fitted into the inner circumferential surface of the synthetic resin layer, the synthetic resin layer absorbs the press-fitting allowance and is fixed. This prevents the child core from being deformed, thus preventing the deformation of the stator core from having an adverse effect on performance, and furthermore, when molding the synthetic resin layer, it is possible to prevent the deformation of the stator core from occurring. The unevenness that is formed can escape through the gap formed between the synthetic resin layer of the bearing mechanism when it is press-fitted into the inner circumferential surface of the synthetic resin layer, and therefore there is no need to remove the unevenness. It is possible to provide an external rotor type electric motor that eliminates the need for post-processing to remove parts, thereby reducing the number of man-hours.
図面は本考案の一実施例を示し、第１図は縦断
側面図、第２図は第１図−線に沿う断面図、
第３図は固定子を収納した状態における成形型の
横断平面図である。
図面中、１は固定子、２は固定子鉄心、２ａは
外周面、２ｂは内周面、３は固定子巻線、４は合
成樹脂層、５は軸受孔部、６は凹凸部、７は軸受
機構部、８は軸受支持体、８ａは平坦面（非接触
部）、９は軸受メタル、１２は空隙部、１３は回
転子、１４は回転子支持体、１５は回転子鉄心、
１６は回転軸、Ａは成形型、Ｈはゲートを示す。
The drawings show one embodiment of the present invention, FIG. 1 is a longitudinal side view, FIG. 2 is a sectional view taken along the line of FIG. 1,
FIG. 3 is a cross-sectional plan view of the mold in a state in which the stator is housed. In the drawing, 1 is a stator, 2 is a stator core, 2a is an outer peripheral surface, 2b is an inner peripheral surface, 3 is a stator winding, 4 is a synthetic resin layer, 5 is a bearing hole, 6 is an uneven part, 7 is a bearing mechanism part, 8 is a bearing support body, 8a is a flat surface (non-contact part), 9 is a bearing metal, 12 is a gap part, 13 is a rotor, 14 is a rotor support body, 15 is a rotor core,
16 is a rotating shaft, A is a mold, and H is a gate.
Claims (1)
層でモールドしてなる固定子と、この固定子の合
成樹脂層の内周面に圧入された軸受機構部と、こ
の軸受機構部に支承された回転軸を有し前記固定
子鉄心の外周面の周りを回転する回転子と、前記
合成樹脂層の型成形時にゲートと対応した合成樹
脂層の内周面とこれに対応する軸受機構部の外周
面との間に形成された空隙部とを具備してなり、
前記空隙部は合成樹脂層の内周面及び軸受機構部
の外周面の内の一方に他方とは非接触状態となる
非接触部を設けることにより形成されていること
を特徴とする外転形電動機。 A stator formed by molding the inner circumferential surface of a stator core and stator windings with a synthetic resin layer, a bearing mechanism section press-fitted into the inner circumferential surface of the synthetic resin layer of this stator, and this bearing mechanism section. A rotor having a supported rotating shaft and rotating around the outer circumferential surface of the stator core, an inner circumferential surface of the synthetic resin layer corresponding to the gate during molding of the synthetic resin layer, and a corresponding bearing mechanism. and a cavity formed between the outer peripheral surface of the part and the outer peripheral surface of the part,
The above-mentioned void portion is formed by providing a non-contact portion on one of the inner circumferential surface of the synthetic resin layer and the outer circumferential surface of the bearing mechanism portion, which is in a non-contact state with the other. Electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7226579U JPS6111969Y2 (en) | 1979-05-29 | 1979-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7226579U JPS6111969Y2 (en) | 1979-05-29 | 1979-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55173264U JPS55173264U (en) | 1980-12-12 |
| JPS6111969Y2 true JPS6111969Y2 (en) | 1986-04-15 |
Family
ID=29305929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7226579U Expired JPS6111969Y2 (en) | 1979-05-29 | 1979-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6111969Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512523A (en) * | 2017-12-28 | 2020-08-07 | 株式会社电装 | Rotating electrical machine and method for manufacturing rotating electrical machine |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006032847A (en) * | 2004-07-21 | 2006-02-02 | Toyota Motor Corp | Device and method for molding molded coil component |
| JP4683001B2 (en) * | 2007-03-27 | 2011-05-11 | トヨタ自動車株式会社 | Stator molding apparatus and molding method |
| JP5937554B2 (en) * | 2013-09-12 | 2016-06-22 | 日本電産サンキョー株式会社 | motor |
| US11843334B2 (en) | 2017-07-13 | 2023-12-12 | Denso Corporation | Rotating electrical machine |
| JP6885328B2 (en) | 2017-07-21 | 2021-06-16 | 株式会社デンソー | Rotating machine |
| CN113972807B (en) | 2017-07-21 | 2023-10-27 | 株式会社电装 | Rotary electric machine |
| JP2019075963A (en) * | 2017-10-19 | 2019-05-16 | トヨタ自動車株式会社 | Apparatus for manufacturing motor |
| DE112018006699T5 (en) | 2017-12-28 | 2020-09-10 | Denso Corporation | Rotating electric machine |
| JP7006541B2 (en) | 2017-12-28 | 2022-01-24 | 株式会社デンソー | Rotating machine |
| DE112018006651T5 (en) | 2017-12-28 | 2020-10-08 | Denso Corporation | Wheel drive device |
| JP6927186B2 (en) | 2017-12-28 | 2021-08-25 | 株式会社デンソー | Rotating machine |
| DE112018006717T5 (en) | 2017-12-28 | 2020-09-10 | Denso Corporation | Rotating electric machine |
| JP7434734B2 (en) * | 2019-06-20 | 2024-02-21 | 株式会社デンソー | Armature manufacturing method |
-
1979
- 1979-05-29 JP JP7226579U patent/JPS6111969Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512523A (en) * | 2017-12-28 | 2020-08-07 | 株式会社电装 | Rotating electrical machine and method for manufacturing rotating electrical machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55173264U (en) | 1980-12-12 |
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