JPH03203547A - Motor - Google Patents
MotorInfo
- Publication number
- JPH03203547A JPH03203547A JP34160389A JP34160389A JPH03203547A JP H03203547 A JPH03203547 A JP H03203547A JP 34160389 A JP34160389 A JP 34160389A JP 34160389 A JP34160389 A JP 34160389A JP H03203547 A JPH03203547 A JP H03203547A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- magnetic pole
- pole
- inner ring
- protrusion
- 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
- 238000004804 winding Methods 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000000717 retained effect Effects 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は外輪ヨーク部と内輪磁極部とに分割されてな
る固定子に回転子を挿入し、コイルを内輪磁極片に巻回
した電動機に関する。ものである。[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to an electric motor in which a rotor is inserted into a stator that is divided into an outer ring yoke portion and an inner ring magnetic pole piece, and a coil is wound around the inner ring magnetic pole piece. . It is something.
従来、この種の電動機としては第５図および第６図に示
すように外周に複数の磁極片（１）を突設して設けられ
た固定子［２１の外壁に絶縁樹脂が施され、この絶縁樹
脂と一体に上記磁極片（１）に上下方向に巻枠柱（３）
が同ピツチ、同形状に配設され回転子（４）が固定子（
２］に挿入されて後、コイル（４ａ）が井げた状に磁極
片（１）間に巻回されたものが知られている（例えば、
実願平１−７６９７５公報参照〉。Conventionally, as shown in FIGS. 5 and 6, electric motors of this type have a stator (21) with a plurality of magnetic pole pieces (1) protruding from its outer periphery, the outer wall of which is coated with an insulating resin; A winding frame column (3) is attached to the magnetic pole piece (1) in the vertical direction integrally with the insulating resin.
are arranged in the same pitch and shape, and the rotor (4) is connected to the stator (
2], and then the coil (4a) is wound between the magnetic pole pieces (1) in a protruding manner (for example,
See Utility Model Application No. 1-76975>.
上記のような従来の電動機では、磁極片（１）間にコイ
ル（４ａ）が井げた状に巻回されているが、コイル（４
ａ）の巻回部分、特に回転子（４）中心に位置する巻回
部の中央部においては巻枠柱０）にコイル（４ａ）が当
接して保持されないため、コイルエンドのばらけが発生
し、コイル（４ａ）の断線、傷付およびコイル増が発生
するという課題があった。In the conventional electric motor as described above, the coil (4a) is wound in a protruding manner between the magnetic pole pieces (1).
In the winding part a), especially in the central part of the winding part located at the center of the rotor (4), the coil (4a) is not held in contact with the winding frame column 0), so the coil ends may come loose. However, there were problems in that the coil (4a) was disconnected, damaged, and the coil increased.
この発明は係る課題を解決するためになされたもので、
コイルが巻枠柱に当接して保持され、コイルの断線、傷
付およびコイル量の増加のない電動機を得ることを目的
とする。This invention was made to solve the problem,
To obtain an electric motor in which a coil is held in contact with a winding frame column, and the coil is not disconnected or damaged, and the coil amount is not increased.
この発明に係る電動機は、外輪部を形成する外輪ヨーク
部と、この外輪ヨーク部にスロットを有して複数の磁極
片からなる内輪磁極部が嵌合されて形成された固定子と
、この固定子の磁極片に突設された巻枠柱と、上記内輪
磁極部に回転子を挿入し上記巻枠柱間を通過して上記ス
ロット間に巻回されたコイルとを備え、上記巻枠柱に上
記内輪磁極部中心方向に延設された凸部を設けたもので
ある。The electric motor according to the present invention includes: an outer ring yoke portion forming an outer ring portion; a stator formed by having a slot in the outer ring yoke portion and fitting an inner ring magnetic pole portion consisting of a plurality of magnetic pole pieces; The winding frame column includes a winding frame column projecting from the child magnetic pole piece, and a rotor inserted into the inner ring magnetic pole portion and a coil passing between the winding frame columns and being wound between the slots. A convex portion extending toward the center of the inner magnetic pole portion is provided on the inner ring.
この発明において、外輪部を形成する外輪ヨーク部と、
この外輪ヨーク部にスロットを有して複数の磁極片から
なる内輪磁極部が嵌合されて形成された固定子と、この
固定子の磁極片に突設された巻枠柱と、上記内輪磁極部
に回転子を挿入し上記巻枠柱間を通過して上記スロット
間に巻回されたコイルとを備え、上記巻枠柱に上記内輪
磁極部中心方向に延設された凸部を設けたことより、巻
枠柱の凸部によりコイルが規制され且つ保持される。In this invention, an outer ring yoke portion forming an outer ring portion;
A stator formed by having a slot in the outer ring yoke part and into which an inner ring magnetic pole part consisting of a plurality of magnetic pole pieces is fitted, a winding frame column protruding from the magnetic pole pieces of this stator, and the inner ring magnetic pole. A rotor is inserted into the winding frame column, and a coil is wound between the slots by passing between the winding frame columns, and the winding frame column is provided with a convex portion extending toward the center of the inner ring magnetic pole portion. In particular, the coil is regulated and held by the convex portion of the winding frame column.
第１図〜第４図はこの発明の一実施例を示す図であり、
図において（５）は外輪ヨーク部で、フープ状に巻回さ
れた電気鋼帯か高速自動プレス（図示せず）により後述
される内輪磁極部と回転子鉄心とに分割して打ち抜きさ
れ、同時にかしめにより所定厚さに積層され、固定子（
６）の外輪部を形成する。（６ａ）はこの外輪ヨーク部
内壁に設けられた切欠き部、（７）は上記外輪ヨーク部
［５１と同心状に設けられた内輪磁極部で、外輪ヨーク
部（５１内周より中心方向へスロット（８）を形成して
突設された複数の磁極片（９）を有し、所定厚さに積層
されて形成される。（１０１はこの内輪磁極部に例えば
射出成形により設けられた絶縁樹脂で、上記スロット（
８）内部および固定子（７）の端面に成形固着される。FIGS. 1 to 4 are diagrams showing an embodiment of the present invention,
In the figure, (5) is the outer ring yoke part, which is punched out by an electric steel strip wound into a hoop shape or into the inner ring magnetic pole part and the rotor core, which will be described later, using a high-speed automatic press (not shown). The stator (
6) Form the outer ring part. (6a) is a notch provided on the inner wall of this outer ring yoke part, (7) is an inner ring magnetic pole part provided concentrically with the outer ring yoke part [51], and extends from the inner circumference of the outer ring yoke part (51 toward the center). It has a plurality of protruding magnetic pole pieces (9) forming slots (8), and is formed by laminating them to a predetermined thickness. Insert the resin into the slots above (
8) Molded and fixed inside and on the end face of the stator (7).
（１１）はこの絶縁部にて同時に成形された巻枠柱で、
上記磁極片の先端に突設されて位置し、内輪磁極部（７
）中心側に頂点を設けた三角柱よりなり巻線用ガイドと
なる。（Ｉｌａ）はこの巻枠柱に一体形成された凸部で
、三角形からなる断面のその頂点より上記固定子（６）
中心方向へ延設され後述されるコイルと当接しコイルを
保持且つ、規制するとともに、上記巻枠柱（１１）にお
いて対向する複数個に設けられている。なお、内輪磁極
部（７）の一方の端面側には図示されてないが、上記絶
縁樹脂叫にて一体で漏斗状に形成され、中央に回転軸貫
通口を設けた絶縁部か設けられている。（１２）はピン
本体で、上記巻枠柱の先端に挿入されたピン＜１２ａ）
およびコモン部（１２ｂ）とから構成され、後述される
主コイルおよび補助コイルに導通される、（１３）は上
記内輪磁極部（７）内に設けられる回転子で、中央に回
転軸（１４）が嵌通されている。（１５）は上記内輪磁
極部（７）に回転軸（１４）を貫通して装着される絶縁
カバーで、単独にて漏斗状に成形され、これにより回転
子（１３）の導体部であるエントリ、ング（１６）は外
部と絶縁される。 （１７）はコイルで、主コイル（１
８）と補助コイル（１９）とにて構成され、例えば自己
融着性を有するマグネットワイヤよりなる。 （１８ａ
）は主コイル＜１８）の巻始め部、（１８ｂ）は主コイ
ル〈１８）の巻終り部、（１９ａ）は補助コイル（１９
）の巻始め部、（１９ｂ）は補助コイル（１９）の巻終
り部、 （２０）は絶縁用ウェッジで、上記コイル（１
７）と上記外輪ヨーク部（５）との絶縁をなすもので、
外輪ヨーク部（５）とコイル（１７）との隙間に嵌着さ
れる。（２１）は上記回転軸（１４）に装着される軸受
で、例えば玉軸受よりなる。（２２）は電動機（２２ａ
）の外筐で、フレーム（２３）およびブラケット（２４
）からなる。（２５）はこのブラケットに設けられたピ
ン用貫通穴で、上記ピン本体（１２）が突出される。（
２６）はこのピン用貫通穴に挿通される脚部（２７）を
有する端子台で、例えば絶縁性樹脂よりなり、上記脚部
（２７）はピン本体（１２）が所定長さに突出されるよ
う開口が設けられている。（２８）はこの端子台の周端
に設けられたコード溝、（２９）は上記端子台（２６）
上に配設された電子部品で、例えばコンデンサ（２９ａ
＞ 、温度ヒユーズ（２９ｂ）等からなり、所定形状に
て接続されたリード線（３０）がその先端が上記ピン本
体（１２）と直交するように配設されている。、（３１
）は電源コードで、その先端が所定寸法のみ接続用に皮
ムキされている。（３２）はパテで、例えば常温硬化可
能な２液性とし、さらにタレ防止の為、紫外線硬化性が
付与されている。(11) is the winding frame column formed at the same time in this insulation part,
The inner ring magnetic pole part (7
) It is made of a triangular prism with the apex on the center side and serves as a guide for the winding. (Ila) is a convex portion integrally formed on this winding frame column, and from the apex of the triangular cross section, the above-mentioned stator (6)
The coils extend toward the center and come into contact with the coils, which will be described later, to hold and regulate the coils, and are provided in a plurality of opposing columns on the winding frame column (11). Although not shown in the drawings, one end face of the inner ring magnetic pole part (7) is provided with an insulating part that is integrally formed into a funnel shape using the above-mentioned insulating resin and has a rotating shaft through hole in the center. There is. (12) is the pin body, the pin inserted at the tip of the winding frame column <12a)
and a common part (12b), and is electrically connected to a main coil and an auxiliary coil (to be described later). (13) is a rotor provided in the inner ring magnetic pole part (7), with a rotating shaft (14) in the center. is inserted. (15) is an insulating cover that is attached to the inner ring magnetic pole part (7) through the rotating shaft (14), and is individually formed into a funnel shape, thereby forming an entry which is the conductor part of the rotor (13). , the rings (16) are insulated from the outside. (17) is the coil, the main coil (1
8) and an auxiliary coil (19), which is made of, for example, self-bonding magnet wire. (18a
) is the winding start of the main coil <18), (18b) is the winding end of the main coil <18), and (19a) is the auxiliary coil (19).
), (19b) is the winding end of the auxiliary coil (19), (20) is an insulating wedge, and (19b) is the winding end of the auxiliary coil (19).
7) and the outer ring yoke part (5),
It is fitted into the gap between the outer ring yoke portion (5) and the coil (17). (21) is a bearing attached to the rotating shaft (14), and is made of, for example, a ball bearing. (22) is an electric motor (22a
), the frame (23) and bracket (24
). (25) is a pin through hole provided in this bracket, through which the pin body (12) protrudes. (
26) is a terminal block having a leg (27) that is inserted into this pin through hole, and is made of, for example, insulating resin, and the leg (27) has a pin body (12) protruding to a predetermined length. An opening is provided for this purpose. (28) is the cord groove provided on the peripheral edge of this terminal block, (29) is the above terminal block (26)
An electronic component disposed on the top, such as a capacitor (29a
>, a temperature fuse (29b), etc., and a lead wire (30) connected in a predetermined shape is disposed such that its tip is perpendicular to the pin body (12). , (31
) is a power cord whose tip is stripped to a specified length for connection. (32) is a putty, which is, for example, a two-component type that can be cured at room temperature, and furthermore has UV curability to prevent sagging.
（３３）はカバーで、例えば金属性よりなり端子台（２
６）およびパテ（３２）硬化部の保護の為、ブラケット
（２４）に装着される。(33) is a cover made of metal, for example, and the terminal block (2
6) and putty (32) are attached to the bracket (24) to protect the hardened portion.
上記のように構成された電動機において、その組立ては
絶縁部００）およびピン本体（１２）が設けられた内輪
磁極部（刀に回転軸（１４）を回転軸貫通口に挿通させ
るようにして回転子（１３）が収納され、絶縁カバー（
１５）が回転軸（１４）に挿通されて、エンドリング（
１６）が絶縁される。次に多軸制御のできるフライヤー
タイプの巻線ａ！（図示せず）により所定のピン本体（
１２）にコイル（１７）をからげることにより接続し、
回転子（１３）を周回するようにスロット（８）間を井
げた状に凸部（ｌｌａ）に規制されながら巻回後、その
巻終り部分を別の所定のピン本体（１２）にからげ主コ
イル（１８）が下部に形成される。そして、同様にコイ
ル（１７）を上記主コイル（１８）の上方に位置するよ
うにスロット（８１間を井げた状に巻回し、からげるこ
とにより補助コイル（１９）が形成される。The electric motor configured as described above is assembled by inserting the rotating shaft (14) into the rotating shaft through-hole in the inner ring magnetic pole part (to which the insulating part 00) and the pin body (12) are provided. child (13) is stored, and the insulating cover (
15) is inserted into the rotating shaft (14), and the end ring (
16) is insulated. Next, flyer type winding a! that can be controlled by multiple axes! (not shown) allows the predetermined pin body (
12) by wrapping the coil (17),
After winding the rotor (13) while being regulated by the convex portion (lla) extending between the slots (8), the end portion of the winding is tied to another predetermined pin body (12). A coil (18) is formed at the bottom. Similarly, the auxiliary coil (19) is formed by winding the coil (17) so that it is positioned above the main coil (18) in a manner that the slots (81) are protruding and then twisting the coil (17).
この場合、第４図に示すように補助コイル（１９）の巻
終り部（１９ｂ）は主コイル（１８）の巻終り部（１８
ｂ）であるからげ部分へ重ねて接続され、コモン部（１
２ｂ）が形成される。主コイル（１８）の巻始め部＜１
８ａ）と補助コイル（１９）の巻始め部（１９ａ）とが
接続されたピン本体（１２）をデイツプ半田することに
て主コイル（１８）及び（１９）とピン＜１２ａ）とを
有する端子部分が導通される。なお、上記コモン部はか
らげたのみで、導通していない為、上記ピン（１２ａ）
間に所定電圧を印加し耐圧力をチエツクすることにより
、主コイル（１８）と補助コイル（１９）との相間耐圧
検査がなされる。この後、上記コモン部（１２ｂ）がデ
イツプ半田され、内輪磁極部（７）が外輪ヨーク部（勺
の切欠き部（６ａ）を介して圧入により嵌着され、第３
図に示すようにコイル（１７）と外輪ヨーク部（旬間を
絶縁するためウェッジ（２０）が嵌着される。次に、コ
イル（１７）を加熱し自己融着性のマグネットワイヤー
の融着層を溶融しコイル（１７）間を固着し、回転軸（
１４）に軸受（２１）およびＥ型止め輪（図示せず）を
装着した後、外輪ヨーク部（５１をフレーム（２３）に
圧入、ブラケット（２４）が例えばかしめあるいはネジ
等により結合される。一方で、端子台（２６）にコンデ
ンサ（２９ａ）、温度ヒユーズ（２９ｂ）等のリード線
（３０）を所定形状に成形して装着される。そしてブラ
ケット（２４）に脚部（２７）をピン用貫通穴（２５）
に挿入することにて装着される。この場合、端子台（２
６）の脚部（２７）に内輪磁極部（７）の巻枠柱（＋１
）部分が挿入され、位置決め、固定され、リード線（３
０）先端とピン本体（１２）とが直交して重合する部分
に電極を当てスポット溶接がされることにより接合され
る。次に、ピン本体（１２）に検査用の接触子（図示せ
ず）を当接させ、電圧を印加して所定項目のモータ性能
検査を実施する。そして、端子台（２６）上に電源コー
ド（３１）が配設され、その先端部分がピン本体（１２
）と直交するように仮止めされ、スポット溶接により接
合される。さらに、端子台（２６）上にパテ（３２）が
充填されてリード線（３０）等の充電露出部の絶縁およ
び電源リード（３１）の固定がなされる。最後に、カバ
ー（３３）がブラケット（２４）に嵌着される。In this case, as shown in FIG. 4, the winding end (19b) of the auxiliary coil (19) is the winding end (18
b) is overlapped and connected to the Karage part, and the common part (1
2b) is formed. Winding start part of main coil (18) <1
By dip-soldering the pin body (12) to which 8a) and the winding start portion (19a) of the auxiliary coil (19) are connected, a terminal having the main coils (18) and (19) and the pin <12a) is created. The part is electrically conductive. Note that the common part above is only exposed and is not conductive, so the above pin (12a)
By applying a predetermined voltage between them and checking the withstand pressure, an interphase withstand voltage test is performed between the main coil (18) and the auxiliary coil (19). After that, the common part (12b) is dip soldered, the inner ring magnetic pole part (7) is fitted into the outer ring yoke part (through the notch part (6a) of the screw), and the third
As shown in the figure, a wedge (20) is fitted to insulate the coil (17) from the outer ring yoke.Next, the coil (17) is heated to form a bonded layer of self-bonding magnet wire. is melted and fixed between the coils (17), and the rotating shaft (
After the bearing (21) and the E-type retaining ring (not shown) are attached to the outer ring yoke (51), the outer ring yoke (51) is press-fitted into the frame (23), and the bracket (24) is connected, for example, by caulking or screws. On the other hand, lead wires (30) such as a capacitor (29a) and a temperature fuse (29b) are molded into a predetermined shape and attached to the terminal block (26).Then, the legs (27) are attached to the bracket (24) with pins. Through hole (25)
It is installed by inserting it into the In this case, the terminal block (2
The winding frame column (+1) of the inner magnetic pole part (7) is attached to the leg (27)
) part is inserted, positioned and fixed, and the lead wire (3
0) An electrode is applied to the overlapping portion of the tip and the pin body (12) at right angles and spot welding is performed to join them. Next, a test contact (not shown) is brought into contact with the pin body (12), voltage is applied, and a motor performance test of predetermined items is carried out. A power cord (31) is placed on the terminal block (26), and its tip end is connected to the pin body (12).
) and are temporarily fixed so that they are perpendicular to each other, and then joined by spot welding. Furthermore, the terminal block (26) is filled with putty (32) to insulate the charging exposed parts such as the lead wire (30) and fix the power lead (31). Finally, the cover (33) is fitted onto the bracket (24).
この発明は以上説明したとおり、外輪部を形成する外輪
ヨーク部と、この外輪ヨーク部にスロットを有して複数
の磁極片からなる内輪磁極部が嵌合されて形成された固
定子と、この固定子の磁極片に突設された巻枠柱と、上
記内輪磁極部に回転子を挿入し上記巻枠柱間を通過して
上記スロット間に巻回されたコイルとを備え、上記巻枠
柱に上記内輪磁極部中心方向に延設された凸部を設けた
ことよりコイルが巻枠柱の凸部にて規制且つ保持されコ
イルがまとめられるので、コイルエンドのばらけ、傷付
さらに傷付から発生する断線がなくなり品質が向上され
るとともに、コイル増がなくなりコイル量の削減ができ
、電動機を安価にできる。As explained above, the present invention includes an outer ring yoke portion forming an outer ring portion, a stator formed by having slots in the outer ring yoke portion and fitting an inner ring magnetic pole portion consisting of a plurality of magnetic pole pieces; The winding frame includes winding frame columns projecting from the magnetic pole pieces of the stator, and a rotor inserted into the inner ring magnetic pole portion, passing between the winding frame columns, and being wound between the slots. Since the pillar is provided with a protrusion extending toward the center of the inner ring magnetic pole, the coil is regulated and held by the protrusion of the winding frame pillar, and the coils are gathered together, thereby preventing the coil ends from coming loose, being scratched, or being scratched. The quality is improved by eliminating wire breakage that occurs during installation, and the number of coils can be reduced by eliminating the need to increase the number of coils, making the motor cheaper.
第１図および第２図はこの発明の一実施例を示す組立斜
視図、第３図は同じくウェッジの取り付は斜視図、第４
図は同じく電動機のコイル結線図、第５図は従来の電動
機の内輪磁極部を示す斜視図、第６図は同じ〈従来の電
動機を示す斜視図である。
なお、＋５１は外輪ヨーク部、（６）は固定子、（７）
は内輪磁極部、
（８）はスロット、
（９）は磁極片、
（１１）は巻
枠柱、
（ｌｌａ）は凸部、
（１７）はコイルである。1 and 2 are assembled perspective views showing one embodiment of the present invention, FIG. 3 is a perspective view showing the installation of the wedge, and FIG.
The figure is a coil wiring diagram of the motor, FIG. 5 is a perspective view showing the inner magnetic pole part of a conventional motor, and FIG. 6 is a perspective view of the same conventional motor. In addition, +51 is the outer ring yoke, (6) is the stator, (7)
is the inner magnetic pole part, (8) is the slot, (9) is the magnetic pole piece, (11) is the winding frame column, (lla) is the convex part, and (17) is the coil.
Claims (1)
にスロットを有して複数の磁極片からなる内輪磁極部が
嵌合されて形成された固定子と、この固定子の磁極片に
突設された巻枠柱と、上記内輪磁極部に回転子を挿入し
上記巻枠柱間を通過して上記スロット間に巻回されたコ
イルとを備え、上記巻枠柱に上記内輪磁極部中心方向に
延設された凸部を設けたことを特徴とする電動機。An outer ring yoke part forming an outer ring part, a stator formed by having slots in the outer ring yoke part and fitting an inner ring magnetic pole part consisting of a plurality of magnetic pole pieces, and a protrusion provided on the magnetic pole pieces of this stator. A rotor is inserted into the inner ring magnetic pole part, and a coil is wound between the slots by passing between the winding frame pillars, An electric motor characterized by having a convex portion extending from the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1341603A JPH0744803B2 (en) | 1989-12-27 | 1989-12-27 | Electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1341603A JPH0744803B2 (en) | 1989-12-27 | 1989-12-27 | Electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03203547A true JPH03203547A (en) | 1991-09-05 |
| JPH0744803B2 JPH0744803B2 (en) | 1995-05-15 |
Family
ID=18347358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1341603A Expired - Lifetime JPH0744803B2 (en) | 1989-12-27 | 1989-12-27 | Electric motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744803B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11038385B2 (en) | 2015-12-11 | 2021-06-15 | Dyson Technology Limited | Stator assembly |
| US11128198B2 (en) | 2015-12-11 | 2021-09-21 | Dyson Technology Limited | Electric motor |
| US11183895B2 (en) | 2015-12-11 | 2021-11-23 | Dyson Technology Limited | Electric motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5778250U (en) * | 1980-10-27 | 1982-05-14 | ||
| JPS6132776U (en) * | 1984-07-27 | 1986-02-27 | 株式会社精工舎 | Small rotating magnetic field type motor |
| JPS6356140A (en) * | 1986-08-22 | 1988-03-10 | Matsushita Electric Ind Co Ltd | Rotor of cup type coreless motor |
-
1989
- 1989-12-27 JP JP1341603A patent/JPH0744803B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5778250U (en) * | 1980-10-27 | 1982-05-14 | ||
| JPS6132776U (en) * | 1984-07-27 | 1986-02-27 | 株式会社精工舎 | Small rotating magnetic field type motor |
| JPS6356140A (en) * | 1986-08-22 | 1988-03-10 | Matsushita Electric Ind Co Ltd | Rotor of cup type coreless motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11038385B2 (en) | 2015-12-11 | 2021-06-15 | Dyson Technology Limited | Stator assembly |
| US11128198B2 (en) | 2015-12-11 | 2021-09-21 | Dyson Technology Limited | Electric motor |
| US11183895B2 (en) | 2015-12-11 | 2021-11-23 | Dyson Technology Limited | Electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0744803B2 (en) | 1995-05-15 |
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