JPH0394077U - - Google Patents
Info
- Publication number
- JPH0394077U JPH0394077U JP191390U JP191390U JPH0394077U JP H0394077 U JPH0394077 U JP H0394077U JP 191390 U JP191390 U JP 191390U JP 191390 U JP191390 U JP 191390U JP H0394077 U JPH0394077 U JP H0394077U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical stator
- stator
- drive coil
- brushless motor
- rotor magnet
- 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
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005291 magnetic effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
Description
第１図乃至第６図は本考案の一実施例を示し、
第１図は全体の継断面図、第２図は第１図のＡ−
Ａ線断面図、第３図は円筒型ステータの斜視図、
第４図は平板状強磁性体の正面図、第５図Ａ，Ｂ
，Ｃ，Ｄはロータマグネツトの回転状態を示す概
略説明図、第６図はトルク波形を示すグラフ、第
７図及び第８図は従来例を示し、第７図は全体縦
断面図、第８図は全体横断面図である。
２１……強磁性体、２３……凹部、２５，２５
Ａ……駆動コイル、２６……円筒型ステータ、２
７……軸受、２８……ロータ軸、２９……ロータ
ヨーク、３０……ロータグネツト、３２……位置
検出素子。
1 to 6 show an embodiment of the present invention,
Figure 1 is a cross-sectional view of the entire joint, Figure 2 is A-A in Figure 1.
A-line sectional view, Figure 3 is a perspective view of the cylindrical stator,
Figure 4 is a front view of a flat ferromagnetic material, Figures 5A and B
, C, and D are schematic illustrations showing the rotational state of the rotor magnet, FIG. 6 is a graph showing the torque waveform, FIGS. 7 and 8 show conventional examples, FIG. Figure 8 is an overall cross-sectional view. 21...Ferromagnetic material, 23...Recess, 25, 25
A... Drive coil, 26... Cylindrical stator, 2
7... Bearing, 28... Rotor shaft, 29... Rotor yoke, 30... Rota net, 32... Position detection element.
Claims (1)
巻装されたステータを設け、前記ロータマグネツ
トの磁極変化を検出する位置検出素子を設けたＤ
Ｃブラシレスモータにおいて、平板状の強磁性体
により円筒型ステータを形成し、この円筒型ステ
ータの上下縁部に駆動コイル巻装用の対をなす凹
部を複数組設けると共に円筒型ステータ内にロー
タ軸支承用の軸受を設けてなることを特徴とする
ＤＣブラシレスモータ。 A stator is provided with a drive coil wound around the rotor magnet with a gap therebetween, and a position detection element is provided for detecting a change in the magnetic pole of the rotor magnet.
In a C brushless motor, a cylindrical stator is formed from a flat ferromagnetic material, and a plurality of pairs of recesses for winding the drive coil are provided on the upper and lower edges of the cylindrical stator, and the rotor shaft is supported within the cylindrical stator. A DC brushless motor characterized by being equipped with a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP191390U JPH0394077U (en) | 1990-01-12 | 1990-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP191390U JPH0394077U (en) | 1990-01-12 | 1990-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0394077U true JPH0394077U (en) | 1991-09-25 |
Family
ID=31505800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP191390U Pending JPH0394077U (en) | 1990-01-12 | 1990-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0394077U (en) |
-
1990
- 1990-01-12 JP JP191390U patent/JPH0394077U/ja active Pending