JPS6447570U - - Google Patents
Info
- Publication number
- JPS6447570U JPS6447570U JP14203087U JP14203087U JPS6447570U JP S6447570 U JPS6447570 U JP S6447570U JP 14203087 U JP14203087 U JP 14203087U JP 14203087 U JP14203087 U JP 14203087U JP S6447570 U JPS6447570 U JP S6447570U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- facing
- magnet
- motor
- another position
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Brushless Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第1図は本考案の一実施例に係るブラシレスモ
ータの分解斜視図、第2図は第1図のモータの平
面図、第3図は第1図のモータの正面図、第4図
は第1図のモータの回転子およびその周辺の縦断
面図、第5図は第1図中のガイド部材(ハウジン
グ部材)の正面図、第6図は第5図中の線−
から見た底面図、第7図は第1図のモータの作動
状態を示す模式的説明図、第8図は本考案の他の
実施例に係るブラシレスモータの分解斜視図であ
る。
1……第3のステータ、1A,1B……対向部
(磁極部)、2,7……励磁コイル、3,22…
…第1のステータ、3A,22A……対向部(磁
極部)、4……ガイド部材(ハウジング部材)、
4E,4F……回転位置検出素子の位置決め孔、
4G……軸受孔部、5……回転子、6,23……
第2のステータ、6A,23A……対向部(磁極
部)、8……マグネツト、10……磁気シールド
部材、14,15……回転位置検出素子(ホール
素子)、24,25……ガイド孔、30……凹部
(ガイド部材)、31,32……ガイド孔。
FIG. 1 is an exploded perspective view of a brushless motor according to an embodiment of the present invention, FIG. 2 is a plan view of the motor shown in FIG. 1, FIG. 3 is a front view of the motor shown in FIG. 1, and FIG. 1 is a vertical sectional view of the rotor of the motor and its surroundings, FIG. 5 is a front view of the guide member (housing member) in FIG. 1, and FIG. 6 is a line -
FIG. 7 is a schematic explanatory view showing the operating state of the motor of FIG. 1, and FIG. 8 is an exploded perspective view of a brushless motor according to another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Third stator, 1A, 1B... Opposing part (magnetic pole part), 2, 7... Excitation coil, 3, 22...
...First stator, 3A, 22A... Opposing part (magnetic pole part), 4... Guide member (housing member),
4E, 4F...Positioning hole for rotational position detection element,
4G...Bearing hole, 5...Rotor, 6,23...
Second stator, 6A, 23A... Opposing part (magnetic pole part), 8... Magnet, 10... Magnetic shielding member, 14, 15... Rotational position detection element (Hall element), 24, 25... Guide hole , 30... recess (guide member), 31, 32... guide hole.
Claims (1)
ステータと、別の位置に同様の対向部を有する第
2のステータと、さらに別の位置に前記第1のス
テータおよび第2のステータの他側の対向部を構
成する対向部を有する第3のステータとを備え、
前記各対向部と前記マグネツトとの間のエアギヤ
ツプを所定値に保つように、前記第1のステータ
、第2のステータおよび第3のステータを1つの
ガイド部材で位置決め固定することを特徴とする
ブラシレスモータ。 A first stator having a portion facing the magnet of the rotor, a second stator having a similar facing portion at another position, and the other side of the first stator and the second stator at another position. and a third stator having a facing part constituting a facing part of the stator,
The brushless motor is characterized in that the first stator, second stator, and third stator are positioned and fixed by one guide member so as to maintain an air gap between each of the opposing parts and the magnet at a predetermined value. motor.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14203087U JPS6447570U (en) | 1987-09-17 | 1987-09-17 | |
US07/236,850 US4958099A (en) | 1987-09-03 | 1988-08-26 | Brushless motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14203087U JPS6447570U (en) | 1987-09-17 | 1987-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6447570U true JPS6447570U (en) | 1989-03-23 |
Family
ID=31407620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14203087U Pending JPS6447570U (en) | 1987-09-03 | 1987-09-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6447570U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09154269A (en) * | 1995-11-28 | 1997-06-10 | Matsushita Electric Ind Co Ltd | Brushless motor |
-
1987
- 1987-09-17 JP JP14203087U patent/JPS6447570U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09154269A (en) * | 1995-11-28 | 1997-06-10 | Matsushita Electric Ind Co Ltd | Brushless motor |