JPS62140880U - - Google Patents
Info
- Publication number
- JPS62140880U JPS62140880U JP2794186U JP2794186U JPS62140880U JP S62140880 U JPS62140880 U JP S62140880U JP 2794186 U JP2794186 U JP 2794186U JP 2794186 U JP2794186 U JP 2794186U JP S62140880 U JPS62140880 U JP S62140880U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- teeth
- permanent magnets
- brushless motor
- rotor
- 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
- 239000011295 pitch Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図は本考案の一実施例の要部の正断面図、
第２図は本考案の他の実施例の正断面図、第３図
ないし第５図は従来例の説明図である。
１……ロータヨーク、２……永久磁石で２ａ，
２ｂ，２ｃはそのステータに対向する内周面、３
……ステータコアで３ａ，３ｂ，３ｃはそのテイ
ース、４……コイル、５……回転軸心。
FIG. 1 is a front sectional view of the main parts of an embodiment of the present invention.
FIG. 2 is a front sectional view of another embodiment of the present invention, and FIGS. 3 to 5 are explanatory views of conventional examples. 1...Rotor yoke, 2...2a with permanent magnet,
2b and 2c are inner peripheral surfaces facing the stator; 3
...In the stator core, 3a, 3b, 3c are its teeth, 4...coil, 5...rotation axis.
Claims (1)
成する永久磁石を配設したロータと、 このロータと径方向に対向するステータコアの
周面に等ピツチで削成されるテイースの中央部に
おいてその両端部より対向する永久磁石との空隙
を小さくした手段をそなえるステータと、 から成ることを特徴とするブラシレスモータ。 ２ テイースの外周形状を折線状にした実用新案
登録請求の範囲第１項記載のブラシレスモータ。 ３ テイースの外周形状を円弧状にした実用新案
登録請求の範囲第１項記載のブラシレスモータ。[Claims for Utility Model Registration] 1. A rotor in which permanent magnets are arranged concentrically at equal intervals on the circumferential surface of a rotor yoke, and permanent magnets are cut at equal pitches on the circumferential surface of a stator core that faces the rotor in the radial direction. 1. A brushless motor comprising: a stator having a means for reducing a gap between a stator and permanent magnets facing each other from both ends of the stator in the center of the teeth; 2. The brushless motor according to claim 1 of the utility model registration claim, in which the outer circumferential shape of the teeth is in the form of a broken line. 3. The brushless motor according to claim 1, in which the teeth have an arcuate outer circumferential shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2794186U JPS62140880U (en) | 1986-02-26 | 1986-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2794186U JPS62140880U (en) | 1986-02-26 | 1986-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62140880U true JPS62140880U (en) | 1987-09-05 |
Family
ID=30830445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2794186U Pending JPS62140880U (en) | 1986-02-26 | 1986-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62140880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992007412A1 (en) * | 1990-10-19 | 1992-04-30 | Seiko Epson Corporation | Brushless dc motor without position sensor and its controller |
-
1986
- 1986-02-26 JP JP2794186U patent/JPS62140880U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992007412A1 (en) * | 1990-10-19 | 1992-04-30 | Seiko Epson Corporation | Brushless dc motor without position sensor and its controller |