JPS61176974U - - Google Patents
Info
- Publication number
- JPS61176974U JPS61176974U JP5978785U JP5978785U JPS61176974U JP S61176974 U JPS61176974 U JP S61176974U JP 5978785 U JP5978785 U JP 5978785U JP 5978785 U JP5978785 U JP 5978785U JP S61176974 U JPS61176974 U JP S61176974U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- ring magnet
- driving ring
- recess
- utility
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Dc Machiner (AREA)
Description
第１図は本考案の一実施例によるロータの断面
図。第２図は本考案の一実施例によるロータの断
面図。第３図はロータとステータの関係図。第４
図はコギングトルクの変動図。
１……軟磁性部材、２……駆動用リング磁石、
３……ステータ、４……コイル。
FIG. 1 is a sectional view of a rotor according to an embodiment of the present invention. FIG. 2 is a sectional view of a rotor according to an embodiment of the present invention. FIG. 3 is a diagram showing the relationship between the rotor and stator. Fourth
The figure shows the variation of cogging torque. 1...Soft magnetic member, 2...Driving ring magnet,
3...Stator, 4...Coil.
Claims (1)
駆動用リング磁石に形成される磁極境界の外周部
もしくは内周部に凹部を設けたことを特徴とする
直流モータ。 In the outer rotor type DC motor,
A DC motor characterized in that a recess is provided on the outer or inner periphery of a magnetic pole boundary formed in a driving ring magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5978785U JPS61176974U (en) | 1985-04-22 | 1985-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5978785U JPS61176974U (en) | 1985-04-22 | 1985-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61176974U true JPS61176974U (en) | 1986-11-05 |
Family
ID=30586529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5978785U Pending JPS61176974U (en) | 1985-04-22 | 1985-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61176974U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286759A (en) * | 1988-05-11 | 1989-11-17 | Toshiba Corp | Brushless motor |
| JPH02103933A (en) * | 1988-10-13 | 1990-04-17 | Supiide Fuamu Clean Syst Kk | Method of drying work by air and device therefor |
| JPH10234148A (en) * | 1997-02-20 | 1998-09-02 | Toshiba Corp | Permanent magnet type motor |
| JP2008043031A (en) * | 2006-08-04 | 2008-02-21 | Mabuchi Motor Co Ltd | Small motor having thin part formed on ring shaped field magnet |
-
1985
- 1985-04-22 JP JP5978785U patent/JPS61176974U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286759A (en) * | 1988-05-11 | 1989-11-17 | Toshiba Corp | Brushless motor |
| JPH02103933A (en) * | 1988-10-13 | 1990-04-17 | Supiide Fuamu Clean Syst Kk | Method of drying work by air and device therefor |
| JPH10234148A (en) * | 1997-02-20 | 1998-09-02 | Toshiba Corp | Permanent magnet type motor |
| JP2008043031A (en) * | 2006-08-04 | 2008-02-21 | Mabuchi Motor Co Ltd | Small motor having thin part formed on ring shaped field magnet |