JPH0480248U - - Google Patents
Info
- Publication number
- JPH0480248U JPH0480248U JP12502890U JP12502890U JPH0480248U JP H0480248 U JPH0480248 U JP H0480248U JP 12502890 U JP12502890 U JP 12502890U JP 12502890 U JP12502890 U JP 12502890U JP H0480248 U JPH0480248 U JP H0480248U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- rotor yoke
- rotor
- armature coil
- ribs
- 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
- 239000000758 substrate Substances 0.000 claims description 2
Description
第１図ａ，ｂ，ｃは本考案の１実施例の全体の
構成を示す縦断面図、要部の構成を示す横断面図
および部分拡大断面図、第２図ａ，ｂは一般的な
直流ブラシレスモータの全体の構成を示す縦断面
図および要部の構成を示す横断面図、第３図は薄
形化を図つた従来の直流ブラシレスモータの全体
の構成を示す縦断面図である。
１０……ステータ、１１……基板、１２……ベ
アリング保持筒、１３……ラジアルボールベアリ
ング、１４……アマチユアコイル、２０……ロー
タ、２１……ロータヨーク、２１ａ……リブ、２
２……回転軸、２３Ａ……永久磁石。
Figures 1a, b, and c are longitudinal sectional views showing the overall configuration of one embodiment of the present invention, a horizontal sectional view and a partially enlarged sectional view showing the configuration of the main parts, and Figures 2 a, b are general sectional views. FIG. 3 is a vertical cross-sectional view showing the overall structure of a DC brushless motor, and a cross-sectional view showing the structure of essential parts. FIG. 10... Stator, 11... Substrate, 12... Bearing holding tube, 13... Radial ball bearing, 14... Armature coil, 20... Rotor, 21... Rotor yoke, 21a... Rib, 2
2...Rotating shaft, 23A...Permanent magnet.
Claims (1)
されたステータと、回転軸を介して前記ステータ
に回動自在に装着されたロータヨークを有し、こ
のロータヨークの前記アマチユアコイルに対向す
る部位に永久磁石が装着されたロータとを備える
直流ブラシレスモータにおいて、前記アマチユア
コイルに対向するロータヨーク面に、複数の放射
状のリブを設け、このリブ間に扇形の永久磁石を
装着したことを特徴とする直流ブラシレスモータ
。 The stator has a stator in which a plurality of armature coils are annularly arranged on a substrate, and a rotor yoke rotatably attached to the stator via a rotating shaft, and a permanent magnet is provided at a portion of the rotor yoke that faces the armature coil. A DC brushless motor comprising a rotor mounted thereon, characterized in that a plurality of radial ribs are provided on the rotor yoke surface facing the armature coil, and sector-shaped permanent magnets are mounted between the ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12502890U JPH0480248U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12502890U JPH0480248U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480248U true JPH0480248U (en) | 1992-07-13 |
Family
ID=31872650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12502890U Pending JPH0480248U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0636377U (en) * | 1992-10-09 | 1994-05-13 | 株式会社三協精機製作所 | Motor rotor |
| JPH08275476A (en) * | 1995-03-30 | 1996-10-18 | Hitachi Ltd | Outer-pole type permanent-magnet rotary electric equipment and motor vehicle using outer-pole type permanent-magnet rotary electric equipment |
-
1990
- 1990-11-27 JP JP12502890U patent/JPH0480248U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0636377U (en) * | 1992-10-09 | 1994-05-13 | 株式会社三協精機製作所 | Motor rotor |
| JPH08275476A (en) * | 1995-03-30 | 1996-10-18 | Hitachi Ltd | Outer-pole type permanent-magnet rotary electric equipment and motor vehicle using outer-pole type permanent-magnet rotary electric equipment |