JPS62177272U - - Google Patents
Info
- Publication number
- JPS62177272U JPS62177272U JP6213986U JP6213986U JPS62177272U JP S62177272 U JPS62177272 U JP S62177272U JP 6213986 U JP6213986 U JP 6213986U JP 6213986 U JP6213986 U JP 6213986U JP S62177272 U JPS62177272 U JP S62177272U
- Authority
- JP
- Japan
- Prior art keywords
- field magnet
- rotor yoke
- stator coil
- view
- yoke
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第１図は本考案に係るブラシレスモータの分解
斜視図であり、第２図は界磁マグネツトの着磁パ
ターン及びロータヨークの垂下片の関係を示す平
面図であり、第３図は界磁マグネツトのロータヨ
ークに対する取付け状態を示す断面図であり、第
４図は界磁マグネツトのステータコイルに対する
磁束方向を示す部分断面図であり、第５図は上記
界磁マグネツトの内外周における磁束密度を示す
特性図であり、第６図は１相分の発生トルク及び
合成トルクの特性を示す特性図である。第７図は
本考案の第２の実施例に係る界磁マグネツトとロ
ータヨークの平面図であり、第８図は本考案を２
相のモータに適用した第３の実施例の界磁マグネ
ツトの着磁パターン及びロータヨークの垂下片の
関係を示す平面図である。第９図は従来のブラシ
レスモータの分解斜視図であり、第１０図はこの
ブラシレスモータの界磁マグネツトの着磁パター
ンを示す平面図であり、第１１図は上記界磁マグ
ネツトの着磁状態及び上記ブラシレスモータの発
生トルク特性を示す特性図である。
１１……ステータコイル、１３……ロータヨー
ク、１４……界磁マグネツト、１６ａ〜１６ｈ…
…磁極、１７ａ〜１７ｈ……垂下片、１８ａ〜１
８ｈ……突条部。
FIG. 1 is an exploded perspective view of the brushless motor according to the present invention, FIG. 2 is a plan view showing the relationship between the magnetization pattern of the field magnet and the hanging piece of the rotor yoke, and FIG. FIG. 4 is a partial cross-sectional view showing the magnetic flux direction of the field magnet with respect to the stator coil; FIG. 5 is a characteristic diagram showing the magnetic flux density at the inner and outer circumferences of the field magnet. FIG. 6 is a characteristic diagram showing the characteristics of the generated torque and composite torque for one phase. FIG. 7 is a plan view of the field magnet and rotor yoke according to the second embodiment of the present invention, and FIG. 8 is a plan view of the field magnet and rotor yoke according to the second embodiment of the present invention.
FIG. 7 is a plan view showing the relationship between the magnetization pattern of the field magnet of the third embodiment applied to the phase motor and the hanging piece of the rotor yoke. FIG. 9 is an exploded perspective view of a conventional brushless motor, FIG. 10 is a plan view showing the magnetization pattern of the field magnet of this brushless motor, and FIG. 11 is a diagram showing the magnetization state of the field magnet and FIG. 3 is a characteristic diagram showing the generated torque characteristics of the brushless motor. 11... Stator coil, 13... Rotor yoke, 14... Field magnet, 16a to 16h...
...Magnetic pole, 17a-17h...Descent piece, 18a-1
8h... Projection.
Claims (1)
ータヨークを介して取付けられる界磁マグネツト
と、ステータヨークを介して上記界磁マグネツト
を相対向して配設されるステータコイルとを備え
てなるモータにおいて、 上記ロータヨークの上記界磁マグネツトの外周
面に対向する位置に上記ステータコイルに対する
上記界磁マグネツトの磁界強度を弱める部分を設
けてなるモータ。[Scope of Claim for Utility Model Registration] A field magnet attached via a rotor yoke that is rotatably attached integrally with the motor shaft, and a stator coil disposed opposite to each other via the stator yoke. A motor comprising: a portion of the rotor yoke that weakens the magnetic field strength of the field magnet with respect to the stator coil at a position facing the outer peripheral surface of the field magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6213986U JPS62177272U (en) | 1986-04-24 | 1986-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6213986U JPS62177272U (en) | 1986-04-24 | 1986-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62177272U true JPS62177272U (en) | 1987-11-11 |
Family
ID=30896124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6213986U Pending JPS62177272U (en) | 1986-04-24 | 1986-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62177272U (en) |
-
1986
- 1986-04-24 JP JP6213986U patent/JPS62177272U/ja active Pending