JPH03145949A - Stator of rotating electric machine such as motor, generator, etc. - Google Patents
Stator of rotating electric machine such as motor, generator, etc.Info
- Publication number
- JPH03145949A JPH03145949A JP28253489A JP28253489A JPH03145949A JP H03145949 A JPH03145949 A JP H03145949A JP 28253489 A JP28253489 A JP 28253489A JP 28253489 A JP28253489 A JP 28253489A JP H03145949 A JPH03145949 A JP H03145949A
- Authority
- JP
- Japan
- Prior art keywords
- spool
- coil
- stator
- conductive member
- field core
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、界磁鉄心とコイルとを絶縁するスプールを備
えた電動機、発電機等の回転電気機械の固定子に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a stator for a rotating electrical machine such as a motor or a generator, which is provided with a spool that insulates a field core and a coil.
［従来の技術と発明が解決しようとする課題］上記構成
の回転電気機械において、界磁鉄心の各磁極片を巻回し
ているコイルを、スター結線やデルタ結線に配線する場
合、コイルを各磁極片から固定子外部に引き出し、ケー
シングと固定子との空間において、これらコイルの配線
を行なっていた。[Prior art and problems to be solved by the invention] In the rotating electric machine having the above configuration, when the coils around each magnetic pole piece of the field core are wired in star connection or delta connection, the coils are connected to each magnetic pole. These coils were drawn out from the stator from one side and wired in the space between the casing and the stator.
また、各磁極片を巻回しているコイルをモータの外部に
引き出す場合も、各磁極片の位置からケーシングにある
引き出し口までコイルを配線していた。Also, when the coils around each magnetic pole piece were drawn out of the motor, the coils were wired from the position of each magnetic pole piece to the outlet in the casing.
しかしながら、上記のような方法であると、コイルの配
線のためのスペースを取るとともに、その紐線作業も機
械の組立者の丁によって直接行なわないといけないため
、非常に手間がかかった。However, the above-mentioned method requires a large amount of space for wiring the coil, and the wiring work must be carried out directly by the machine assembler, which is very time-consuming.
［発明の目的］
本発明は、各磁極片に巻回したコイル間の結線や、前記
コイルのケーシング外部への引き出しのための配線を容
具に行え、かつ、その配線のスペースをとらない構造を
備えた電動機、発電機等のｌＬ！１転電気機城の同定子
を堤供するものである。[Object of the Invention] The present invention provides a structure in which wiring for connecting coils wound around each magnetic pole piece and wiring for drawing out the coils to the outside of the casing can be performed in a container, and the wiring does not take up space. lL of electric motors, generators, etc. equipped with! The purpose is to provide the Identifier of the 1st Turn Electric Machine Castle.
［、’！ａを解決するための手段］
本発明の請求項１の電動機、発電機等の回転電気機械の
固定子は、昇磁鉄心の前部と後部に設けられ、この界磁
鉄心とコイルとを絶縁させるスプールを備えた固定子に
おいてスプールが合成樹脂等の絶縁材より形成され、前
記界磁鉄心の各磁極片に巻回されたコイル間を結ぶ配線
用回路を、銅板等の伝導部材によって形成し、この伝導
部材を前記スプールの少なくともどちらか一方に埋設し
、各磁極片に位置するスプールより伝導部材の一部を露
出させてコイルとの接続を可能にしたことを特徴とする
ものである。[,'! Means for solving a] The stator of a rotating electric machine such as a motor or a generator according to claim 1 of the present invention is provided at the front and rear parts of a magnetizing core, and the field core and the coil are insulated. In a stator equipped with a spool, the spool is made of an insulating material such as a synthetic resin, and a wiring circuit connecting the coils wound around each magnetic pole piece of the field core is formed of a conductive material such as a copper plate. The conductive member is embedded in at least one of the spools, and a portion of the conductive member is exposed from the spool located at each magnetic pole piece to enable connection with the coil.
請求項２の電動機、発電機等の回転電気機械の固定子は
、界磁鉄心の前部と後部に没けられ、この界磁鉄心とコ
イルとを絶縁させるスプールを備えた固定子においてス
プールが合成樹脂等の絶縁材より形成され、前記界磁鉄
心の各磁極片にＳ ［ｉｌされたコイルを外部へ引き出
すための口出し配線用回路を銅板等の伝導部材によって
形成し、この伝導部材を前記スプールの少なくともどち
らか一方に埋設し、前記伝導部材の一部をスプールより
露出させて、外部からのコードと接続可能にしたことを
特徴とするものである。The stator of a rotating electrical machine such as a motor or a generator according to claim 2 is sunk in the front and rear parts of a field core, and the spool is provided with a spool that insulates the field core and the coil. A wiring circuit made of an insulating material such as a synthetic resin and connected to each magnetic pole piece of the field core is formed using a conductive member such as a copper plate for drawing out the coils connected to the outside. The conductive member is embedded in at least one of the spools, and a part of the conductive member is exposed from the spool so that it can be connected to an external cord.
［作 用］
請求項１の固定子において、各磁極片間のコイルの配線
をする場合、各磁極片に位置するスプールより露出した
伝導部材にコイルを接続すればよい。[Function] In the stator of claim 1, when wiring the coil between each magnetic pole piece, the coil may be connected to the conductive member exposed from the spool located at each magnetic pole piece.
請求項２の固定子において、コイルを外部に引き出す場
合、スプールより露出した伝導部材に外部からのコード
を接続すればよい。In the stator according to claim 2, when the coil is drawn out to the outside, a cord from the outside may be connected to the conductive member exposed from the spool.
［実施例］ 以下、本発明の一実施例を図面に基いて説明する。[Example] Hereinafter, one embodiment of the present invention will be described based on the drawings.
（ｌＯ〉は、本実施例のモータであり、そのケーシング
（１２）内部に、固定子（１４）と回転子〈１５〉とを
備えている。(lO> is the motor of this embodiment, and has a stator (14) and a rotor <15> inside its casing (12).
固定子０４〉は、昇磁鉄心（１６〉とスプール（１８）
（２０）及びこの界磁鉄心（１６）を巻回しているコイ
ル（２２）を備えている。この界磁鉄心（１６）は、６
つの磁極片（２４）を備え、それぞれ相対向する位置に
ある２つの磁極片（２４〉が対をなして、三相構造とな
っている。Stator 04〉 consists of a magnetized iron core (16〉) and a spool (18).
(20) and a coil (22) around which the field core (16) is wound. This field core (16) is 6
Two magnetic pole pieces (24) are provided, and the two magnetic pole pieces (24>) located opposite to each other form a pair to form a three-phase structure.
スプール（１８） （２０）は、ナイロン樹脂等の合成
樹脂よりなる絶縁材料より形成されている。スプール（
１８〉は界磁鉄心（１６）の前部に、スプール（２０）
はその後部に設けられており、コイル〈２２〉と界磁鉄
心（１６〉とを絶縁している。スプール（１８） （２
０）の形状は、界磁鉄心（１６）の縦断面形状とほぼ同
じである。The spools (18) and (20) are made of an insulating material made of synthetic resin such as nylon resin. spool(
18> is a spool (20) in front of the field core (16).
is provided at the rear of the coil (22) and insulates the field core (16).The spool (18) (2
0) is almost the same as the longitudinal cross-sectional shape of the field core (16).
すなわち、円環形の円環部（２６〉と、この円環部（２
６〉より内方に６０″毎に突出した６つの巻き枠部（２
８）よりなり、この巻き枠部（２８）が、磁極片（２４
〉の位置に対応する。なお、これからの説明のために、
第１図において、巻き枠部（２８）の符号を、左上方に
あるものを巻き枠部（２８ａ）と、順に時計回りに（２
８ｂ） （２８ｃ）・・・・・・（２１１ｆ’）とする
。That is, the annular ring part (26>) and this ring part (26)
Six winding frame parts (2
8), and this winding frame part (28) is made of a magnetic pole piece (24).
> corresponds to the position. For future explanation,
In FIG. 1, the numbers of the winding frame portions (28) are designated as the winding frame portion (28a) in the upper left corner, and clockwise in order (2
8b) (28c)... (211f').
スプール（２０）には、界磁鉄心（１Ｂ）に巻回したコ
イル（２２〉をスター結線するための伝導部材（３０）
が埋設されている。この伝導部材（２９）は、銅板より
なり、下記４つの部材（３０） （３２） （３４）よ
りなる。The spool (20) has a conductive member (30) for star connection of the coil (22) wound around the field core (1B).
is buried. This conductive member (29) is made of a copper plate and consists of the following four members (30), (32), and (34).
第一部材（３０）は、一端が巻き枠部（２８ａ）の先端
部から突出し、巻き枠部（２８ａ）の基部、円環部（２
６）の内部を経て、巻き枠部（２８ｂ）の基部まで設け
られ、その他端は円環部（２６）から突出している。そ
して、この第一部材（３ｏ）のスプール（２０〉より突
出した両端部にはコイル（２２）等が接続可能なように
接続端子（３０ａ） （３０ｂ）が設けられている。The first member (30) has one end protruding from the tip of the winding frame (28a), and the first member (30) has one end protruding from the tip of the winding frame (28a), and
6) to the base of the winding frame part (28b), and the other end protrudes from the annular part (26). Connection terminals (30a) (30b) are provided at both ends of the first member (3o) protruding from the spool (20>) so that a coil (22) or the like can be connected thereto.
第二部材（３２〉は、一端が巻き枠部（２８ｂ）の先端
部から突出し、巻き枠部（２８ｂ）内部を経て、その基
部から他端が突出している。そして、この第二部材（３
２）のスプール〈２０）より突出した両端部には、コイ
ル（２２）等が接続可能なように接続端子（３２ａ）
（３２ｂ） （３２ｃ）が設けられている。The second member (32> has one end protruding from the tip of the winding frame part (28b), passes through the inside of the winding frame part (28b), and has the other end projecting from its base.
Connecting terminals (32a) are provided at both ends of the spool (20) protruding from the spool (20) so that a coil (22), etc. can be connected thereto.
(32b) (32c) are provided.
第三部材（３４）は、一端が椹き枠部（２８ｃ）の先端
部から突出し、巻き枠部（２８ｃ）の基部、円環部（２
６）の内部を経て、巻き枠部（２８ｂ）の基部まで設け
られ、その他端は円環状（２６）から突出している。そ
して、この第三部材（３４）のスプール（２０）より突
出した両端部には、コイル（２２〉等が接続が可能なよ
うに接続端子（３４ａ） （３４ｂ）が設けられている
。The third member (34) has one end protruding from the tip of the winding frame (28c) and the base of the winding frame (28c), the annular part (2
6) to the base of the winding frame portion (28b), and the other end protrudes from the annular shape (26). Connection terminals (34a) (34b) are provided at both ends of the third member (34) protruding from the spool (20) so that the coil (22>, etc.) can be connected thereto.
第四部材（３６）は、三叉に分れた構造を有し、３つの
端部は巻き枠部（Ｈｄ） （２８ｅ） （２８１’）の
先端部から突出し、円環部（２Ｂ）内部で連続している
。The fourth member (36) has a three-pronged structure, with three ends protruding from the tip of the winding frame part (Hd) (28e) (281') and inside the annular part (2B). Continuous.
そして、第四部材（３Ｇ）のスプール（２０）より突出
した各端部には、コイル（２２〉等の接続端子（３６ａ
）（３６ｂ） （３Ｂｃ）が設けられている。Each end of the fourth member (3G) protruding from the spool (20) is provided with a connection terminal (36a) such as a coil (22>).
) (36b) (3Bc) are provided.
すなわち、第１部材（３０）、第２部材（３２）、第３
部材（３４）は口出し線の役割を行い、第４部材（３Ｂ
）は中性点の役割を行う。That is, the first member (30), the second member (32), and the third member
The member (34) serves as a lead wire, and the fourth member (3B
) acts as a neutral point.
なお、上記伝導部材（２９）は、スプール（２０）を合
成樹脂材料から成形するときに、同時に埋設する。その
ため、その製造は容易となる。The conductive member (29) is buried at the same time when the spool (20) is molded from a synthetic resin material. Therefore, its manufacture becomes easy.
次に、上記構成の界磁鉄心（１６）とスプール（１８）
（２０）にコイル（２２）を取付ける順序を下記に説
明する。Next, the field core (16) and spool (18) with the above configuration
The order in which the coil (22) is attached to (20) will be explained below.
■ ６つの磁極片及びスプール（１８）（２０）の巻き
枠部（２８）にコイル（２２）を前後方向に巻回して、
この巻回したコイル〈２２〉の両端部は、後部のスプー
ル（２０〉の側に突出させる。■ Wind the coil (22) in the front and back direction around the six magnetic pole pieces and the winding frame (28) of the spool (18) (20).
Both ends of this wound coil <22> are made to protrude toward the rear spool (20>).
■ 巻き砕（２８ａ）に巻回したコイル（２２）の一端
を接続端子（３０ａ）に半田付は等で接続し、他端は、
巻き砕（２８ｄ）に巻回したコイル（２２）の他端まで
、引き回して接続する。そして巻き枠（２８ｃｌ）のコ
イル（２２）の一端は、接続端子（３６ａ）に接続する
。■ Connect one end of the coil (22) wound around the coil (28a) to the connection terminal (30a) with soldering, etc., and the other end.
The coil (22) wound around the coil (28d) is routed and connected to the other end. One end of the coil (22) of the winding frame (28cl) is connected to the connection terminal (36a).
■ 巻き枠（２８ｂ）のコイル（２２）の一端を、接続
端子（３２ａ）に接続し、他端は、巻き枠（２８ｅ）の
コイル（２２）の他端まで引き回して接続する。(2) One end of the coil (22) of the winding frame (28b) is connected to the connection terminal (32a), and the other end is routed and connected to the other end of the coil (22) of the winding frame (28e).
巻き枠（２８ｃ）のコイル（２２）の一端は、接続端子
（３６ｂ）に接続する。One end of the coil (22) of the winding frame (28c) is connected to the connection terminal (36b).
■ 巻き枠（２８ｃ）のコイル（２２）の一端を接続端
子（３４ａ）に接続し、他端は巻き枠（２８ｒ）のコイ
ル（２２）の他端にまで引き回して接続する。(2) Connect one end of the coil (22) of the winding frame (28c) to the connection terminal (34a), and route the other end to the other end of the coil (22) of the winding frame (28r) for connection.
巻き枠（２８１’）のコイル（２２〉の一端は、接続端
子（３６ｃ）に接続する。One end of the coil (22>) of the winding frame (281') is connected to the connection terminal (36c).
■ ケーシング〈１２）外部からの３本のコード（３８
）をそれぞれ接続端子（３０ｂ） （３２ｂ） （３４
ｂ）に接続する。この接続の場合、着脱を容易にするた
めコネクタ（４０）に接続する。■ Casing <12) Three cords (38
) respectively to the connection terminals (30b) (32b) (34
Connect to b). In this case, the connector (40) is used to facilitate attachment and detachment.
以上■〜■によって、固定子（１４〉のコイル（２２）
のスター結線及びケーシング（１２〉外部への接続が容
易に行えるとともに、配線のためのスペースをとること
がない。According to the above ■～■, the coil (22) of the stator (14)
Star connection and casing (12) can be easily connected to the outside and does not take up space for wiring.
なお、本発明は、上記実施例に限らず、例えば下記のよ
うな実施例もある。Note that the present invention is not limited to the above-mentioned embodiments, and includes, for example, the following embodiments.
上記実施例では、巻き枠部（２８ａ） （２８ｄ）等の
コイル（２２）を接続するために、コイル（２２）を引
き回したが、これに代えて、これら巻き枠部（２８ａ）
（２８ｄ）等の間の引き回しのための配線用の伝導部材
（２９〉をスプール（１８〉（２０）の内部に埋設すれ
ば、この引き回したコイル（２２〉も省略できる。In the above embodiment, the coil (22) was routed in order to connect the coils (22) such as the winding frame parts (28a) and (28d).
(28d), etc., by embedding a conductive member (29>) for wiring inside the spool (18>(20)), the coil (22>) that is routed can also be omitted.
そのために、さらに配線が容易となり、固定子（１４）
の外部に飛び出るコイルがなくなってスペースも少なく
てすむという効果がある。なお、スプール（１８）内部
において、−層の伝導部材（２９）で配線できない場合
は、スプール（１８）内部で伝導部材（２９）を二層又
はそれ以上の層にして埋設すれば複雑な配線も可能とな
る。また、前部のスプール（１８）と後部のスプール（
２０）に分割して配線する方法もある。Therefore, wiring becomes easier and the stator (14)
This has the effect of requiring less space as there are no coils protruding from the outside. In addition, if it is not possible to wire with a conductive member (29) of -layer inside the spool (18), complex wiring can be avoided by burying two or more layers of conductive member (29) inside the spool (18). is also possible. Also, the front spool (18) and the rear spool (
20) There is also a method of dividing and wiring.
上記夫施例では、スター結線の場合を示したが、この他
にデルタ結線等に使用してもよい。In the above embodiment, a star connection is shown, but a delta connection or the like may also be used.
上記丈施例では、モータについて説明したがこれに代え
て、光電機万の回転電気機城の同定子に使用してもよい
。In the above-mentioned embodiments, a motor has been described, but instead of this, it may be used as an identifier for a rotary electric machine of a photoelectric machine.
［発明の効果〕
上記により、本発明の請求項１の電動機、発電機等のｌ
す１転電気機城の固定子は、昇磁鉄心の磁極片に巻回し
たコイル間の接続が容易でありその配線のためのスペー
スをとることがない。[Effects of the Invention] According to the above, the electric motor, generator, etc. of claim 1 of the present invention
In the stator of a single-turn electric machine, it is easy to connect the coils wound around the magnetic pole piece of the magnetizing iron core, and the wiring does not take up space.
請求項２の発明であると、目出し配線が容易であり、ま
たその配線のためのスペースをとることがない。According to the invention of claim 2, marking wiring is easy and space is not taken up for the wiring.
第１図は、本発明の一実施例を示すスプールの背面図、
第２図は、第１図におけるスプール（こコイルを昼間し
た状態の背面図、
第３図は、第２図におけるＩ−Ｉ線断面図である。
［符号の説明〕
１０・・・・・・モータ
１４・・・・・・固定子
１６・・・・・・界磁鉄心
２０・・・・・・スプール
２２・・・・・・コイル
２４・・・・・・磁極片
２９・・・・・・伝導部材
３８・・・・・・コードFIG. 1 is a rear view of the spool showing an embodiment of the present invention. FIG. 2 is a rear view of the spool in FIG. It is a sectional view taken along line I. [Explanation of symbols] 10...Motor 14...Stator 16...Field core 20...Spool 22... ... Coil 24 ... Magnetic pole piece 29 ... Conductive member 38 ... Cord
Claims (1)
コイルとを絶縁させるスプールを備えた固定子において
、 スプールが合成樹脂等の絶縁材より形成され、前記界磁
鉄心の各磁極片に巻回されたコイル間を結ぶ配線用回路
を、銅板等の伝導部材によって形成し、この伝導部材を
前記スプールの少なくともどちらか一方に埋設し、各磁
極片に位置するスプールより伝導部材の一部を露出させ
てコイルとの接続を可能にしたことを特徴とする電動機
、発電機等の回転電気機械の固定子。 ２、界磁鉄心の前部と後部に設けられ、この界磁鉄心と
コイルとを絶縁させるスプールを備えた固定子において
、 スプールが合成樹脂等の絶縁材より形成され、前記界磁
鉄心の各磁極片に巻回されたコイルを外部へ引き出すた
めの口出し配線用回路を銅板等の伝導部材によって形成
し、この伝導部材を前記スプールの少なくともどちらか
一方に埋設し、前記伝導部材の一部をスプールより露出
させて、外部からのコードと接続可能にしたことを特徴
とする電動機、発電機等の回転電気機械の固定子。[Claims] 1. In a stator equipped with spools provided at the front and rear parts of a field core and insulating the field core and the coil, the spool is made of an insulating material such as synthetic resin, A wiring circuit connecting the coils wound around each magnetic pole piece of the field core is formed using a conductive member such as a copper plate, and this conductive member is embedded in at least one of the spools, and a wiring circuit is formed between the coils wound around each magnetic pole piece of the field core. A stator for a rotating electric machine such as a motor or a generator, characterized in that a part of a conductive member is exposed from a spool located thereon to enable connection with a coil. 2. In a stator equipped with spools provided at the front and rear parts of the field core to insulate the field core and the coil, the spool is made of an insulating material such as synthetic resin, and each of the field cores A lead wiring circuit for drawing the coil wound around the magnetic pole piece to the outside is formed of a conductive member such as a copper plate, and this conductive member is buried in at least one of the spools, and a part of the conductive member is A stator for a rotating electric machine such as a motor or a generator, characterized in that it is exposed from a spool and can be connected to a cord from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28253489A JP2926245B2 (en) | 1989-10-30 | 1989-10-30 | Stator for rotating electric machines such as electric motors and generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28253489A JP2926245B2 (en) | 1989-10-30 | 1989-10-30 | Stator for rotating electric machines such as electric motors and generators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03145949A true JPH03145949A (en) | 1991-06-21 |
| JP2926245B2 JP2926245B2 (en) | 1999-07-28 |
Family
ID=17653713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28253489A Expired - Fee Related JP2926245B2 (en) | 1989-10-30 | 1989-10-30 | Stator for rotating electric machines such as electric motors and generators |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2926245B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09222093A (en) * | 1996-02-19 | 1997-08-26 | Minebea Co Ltd | Axial flow fan motor |
| EP1505711A2 (en) | 2003-08-02 | 2005-02-09 | ebm-papst St. Georgen GmbH & Co. KG | Electric motor |
| US7230356B2 (en) * | 2004-03-31 | 2007-06-12 | Denso Corporation | Brushless synchronous motor |
| US7268458B2 (en) * | 2004-09-16 | 2007-09-11 | Asia Optical Co., Inc. | Stator for electric motor |
-
1989
- 1989-10-30 JP JP28253489A patent/JP2926245B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09222093A (en) * | 1996-02-19 | 1997-08-26 | Minebea Co Ltd | Axial flow fan motor |
| EP1505711A2 (en) | 2003-08-02 | 2005-02-09 | ebm-papst St. Georgen GmbH & Co. KG | Electric motor |
| US7205689B2 (en) * | 2003-08-02 | 2007-04-17 | Ebm-Papst St. Georgen Gmbh & Co. | Electric motor with space-saving low-resistance neutral ring |
| EP1505711A3 (en) * | 2003-08-02 | 2008-06-04 | ebm-papst St. Georgen GmbH & Co. KG | Electric motor |
| US7230356B2 (en) * | 2004-03-31 | 2007-06-12 | Denso Corporation | Brushless synchronous motor |
| US7501730B2 (en) | 2004-03-31 | 2009-03-10 | Denso Corporation | Brushless synchronous motor |
| US7268458B2 (en) * | 2004-09-16 | 2007-09-11 | Asia Optical Co., Inc. | Stator for electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2926245B2 (en) | 1999-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |