JPH0321818U - - Google Patents

Info

Publication number
JPH0321818U
JPH0321818U JP1880589U JP1880589U JPH0321818U JP H0321818 U JPH0321818 U JP H0321818U JP 1880589 U JP1880589 U JP 1880589U JP 1880589 U JP1880589 U JP 1880589U JP H0321818 U JPH0321818 U JP H0321818U
Authority
JP
Japan
Prior art keywords
recess
coil
magnetic poles
groove
magnetizing 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.)
Granted
Application number
JP1880589U
Other languages
English (en)
Other versions
JPH0735365Y2 (ja
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 filed Critical
Priority to JP1989018805U priority Critical patent/JPH0735365Y2/ja
Publication of JPH0321818U publication Critical patent/JPH0321818U/ja
Application granted granted Critical
Publication of JPH0735365Y2 publication Critical patent/JPH0735365Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る着磁ヨークの一実施例を
示す構成図、第2図は第1図の着磁ヨークにより
着磁されたリング磁石の特性曲線図、第3図およ
び第4図は磁気バブルを利用した回転数検出器の
原理を示す図、第5図および第6図は従来の着磁
ヨークの構成を示す図である。 1……着磁ヨーク、11……磁極、12……凹
部、13……溝、14……コイル。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円周方向に等間隔に複数の磁極を設けた着磁ヨ
    ークにおいて、磁極間に設けた凹部と、この凹部
    の底に設けた前記凹部の幅より細い溝と、この溝
    内に収められ前記磁極を巻くように配設されたコ
    イルとを備え、コイルに流す電流で隣接する磁極
    が互いに異極に励磁されるように構成したことを
    特徴とする着磁ヨーク。
JP1989018805U 1989-02-20 1989-02-20 着磁ヨーク Expired - Lifetime JPH0735365Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989018805U JPH0735365Y2 (ja) 1989-02-20 1989-02-20 着磁ヨーク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989018805U JPH0735365Y2 (ja) 1989-02-20 1989-02-20 着磁ヨーク

Publications (2)

Publication Number Publication Date
JPH0321818U true JPH0321818U (ja) 1991-03-05
JPH0735365Y2 JPH0735365Y2 (ja) 1995-08-09

Family

ID=31521947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989018805U Expired - Lifetime JPH0735365Y2 (ja) 1989-02-20 1989-02-20 着磁ヨーク

Country Status (1)

Country Link
JP (1) JPH0735365Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61263206A (ja) * 1985-05-17 1986-11-21 Hitachi Metals Ltd 着磁方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61263206A (ja) * 1985-05-17 1986-11-21 Hitachi Metals Ltd 着磁方法

Also Published As

Publication number Publication date
JPH0735365Y2 (ja) 1995-08-09

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