JPS58139893U - brushless motor - Google Patents

brushless motor

Info

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
Application number
JP3657082U
Other languages
Japanese (ja)
Inventor
功 岸本
Original Assignee
株式会社東芝
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP3657082U priority Critical patent/JPS58139893U/en
Publication of JPS58139893U publication Critical patent/JPS58139893U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 環状の永久磁石より成るロータ磁極及びこのロータ磁極
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.
JP3657082U 1982-03-15 1982-03-15 brushless motor Pending JPS58139893U (en)

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)

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