JPS58139893U - brushless motor - Google Patents
brushless motorInfo
- Publication number
- JPS58139893U JPS58139893U JP3657082U JP3657082U JPS58139893U JP S58139893 U JPS58139893 U JP S58139893U JP 3657082 U JP3657082 U JP 3657082U JP 3657082 U JP3657082 U JP 3657082U JP S58139893 U JPS58139893 U JP S58139893U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- brushless motor
- magnetic pole
- magnetic sensor
- annular recess
- 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
Landscapes
- Brushless Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図及び第2図は夫夕本考案の一実施例を示す全体の
縦断面図及び要部の拡大縦断面図、第3図は本考案の他
の実施例を示す第2図相当図である。
図中、1はステータ、4はステータコイル、7はロータ
、11はロータ磁極、llaは軸方向端面部、llb、
IICは環状凹部、13はホール −素子(磁気センサ
)である。1 and 2 are an overall vertical sectional view and an enlarged longitudinal sectional view of essential parts showing one embodiment of the present invention, and FIG. 3 is a view equivalent to FIG. 2 showing another embodiment of the present invention. It is. In the figure, 1 is a stator, 4 is a stator coil, 7 is a rotor, 11 is a rotor magnetic pole, lla is an axial end face, llb,
IIC is an annular recess, and 13 is a Hall element (magnetic sensor).
Claims (1)
からの磁束に応じてロータの回転位置を検出する磁気セ
ンサを有し、この磁気センサの検出出力によって複数相
のステータコイルに順次通電させるようにしたものにお
いて、前記ロータ磁極の軸方向端面部にその回転軸心と
同心状をなす環状凹部を形成し、この環状凹部内に前記
磁気センサを配置したことを特徴とする無刷子モータ。It has a rotor magnetic pole made of an annular permanent magnet and a magnetic sensor that detects the rotational position of the rotor according to the magnetic flux from the rotor magnetic pole, and the stator coils of multiple phases are sequentially energized by the detection output of this magnetic sensor. A brushless motor characterized in that an annular recess is formed in an axial end face of the rotor magnetic pole and is concentric with the rotation axis thereof, and the magnetic sensor is disposed within the annular recess.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3657082U JPS58139893U (en) | 1982-03-15 | 1982-03-15 | brushless motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3657082U JPS58139893U (en) | 1982-03-15 | 1982-03-15 | brushless motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58139893U true JPS58139893U (en) | 1983-09-20 |
Family
ID=30047995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3657082U Pending JPS58139893U (en) | 1982-03-15 | 1982-03-15 | brushless motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58139893U (en) |
-
1982
- 1982-03-15 JP JP3657082U patent/JPS58139893U/en active Pending
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