JPH042972U - - Google Patents
Info
- Publication number
- JPH042972U JPH042972U JP4146790U JP4146790U JPH042972U JP H042972 U JPH042972 U JP H042972U JP 4146790 U JP4146790 U JP 4146790U JP 4146790 U JP4146790 U JP 4146790U JP H042972 U JPH042972 U JP H042972U
- Authority
- JP
- Japan
- Prior art keywords
- annular magnet
- motor
- rotor
- stator
- fixed
- 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
- 238000004804 winding Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
Landscapes
- Dc Machiner (AREA)
Description
第１図は本考案に係わる薄型モータの固定子を
内蔵する小型直流モータの一実施例断面図、第２
図は第１図の着磁説明図、第３図、第４図は従来
の小型直流モータの断面図を示している。
図中、１……環状マグネツト、２……回転子鉄
心、３……回転子巻線、４……整流子、５……刷
子、６……出力軸、７……モータケース、８……
モータケース蓋、９，９ａ……軸受、１０……絶
縁コア、１１……副環状マグネツトを表している
。
Fig. 1 is a sectional view of an embodiment of a small DC motor incorporating a stator of a thin motor according to the present invention;
The figure shows a magnetization explanatory diagram of FIG. 1, and FIGS. 3 and 4 show cross-sectional views of a conventional small DC motor. In the figure, 1... annular magnet, 2... rotor core, 3... rotor winding, 4... commutator, 5... brush, 6... output shaft, 7... motor case, 8...
Motor case lid, 9, 9a... Bearing, 10... Insulating core, 11... Sub-annular magnet.
Claims (1)
この環状マグネツトにより構成される空間に回転
子を装備してなる小型直流モータにおいて、 回転子鉄心と環状マグネツトと回転子巻線との
間に形成される刷子側の空間に、モータケース蓋
に固着されると共に回転子鉄心の磁束を増磁する
方向に着磁された副環状マグネツトを設けてなる
ことを特徴とする薄型モータの固定子。[Scope of claim for utility model registration] An annular magnet is fixed to the inner surface of the motor case,
In a small DC motor that is equipped with a rotor in the space formed by the annular magnet, the brush is fixed to the motor case lid in the space on the brush side formed between the rotor core, the annular magnet, and the rotor winding. 1. A stator for a thin motor, characterized in that the stator is provided with a sub-annular magnet magnetized in a direction that increases the magnetic flux of a rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4146790U JPH042972U (en) | 1990-04-18 | 1990-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4146790U JPH042972U (en) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042972U true JPH042972U (en) | 1992-01-10 |
Family
ID=31552160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4146790U Pending JPH042972U (en) | 1990-04-18 | 1990-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042972U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS513007B1 (en) * | 1971-05-10 | 1976-01-30 | ||
| JPS59226647A (en) * | 1983-06-02 | 1984-12-19 | Matsushita Electric Ind Co Ltd | Dc motor |
-
1990
- 1990-04-18 JP JP4146790U patent/JPH042972U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS513007B1 (en) * | 1971-05-10 | 1976-01-30 | ||
| JPS59226647A (en) * | 1983-06-02 | 1984-12-19 | Matsushita Electric Ind Co Ltd | Dc motor |