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
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
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。
Fig. 1 is a configuration diagram showing an embodiment of the magnetizing yoke according to the present invention, Fig. 2 is a characteristic curve diagram of a ring magnet magnetized by the magnetizing yoke of Fig. 1, and Figs. 3 and 4. 1 is a diagram showing the principle of a rotation speed detector using magnetic bubbles, and FIGS. 5 and 6 are diagrams showing the configuration of a conventional magnetizing yoke. 1... Magnetizing yoke, 11... Magnetic pole, 12... Recess, 13... Groove, 14... Coil.
Claims (1)
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。 In a magnetizing yoke having a plurality of magnetic poles arranged at equal intervals in the circumferential direction, a recess is provided between the magnetic poles, a groove is provided at the bottom of the recess and is narrower than the width of the recess, and the magnetic pole is housed in the groove. 1. A magnetizing yoke comprising: a coil arranged so as to be wound around the coil, and configured such that adjacent magnetic poles are excited to be different polarities by a current flowing through the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989018805U JPH0735365Y2 (en) | 1989-02-20 | 1989-02-20 | Magnetizing yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989018805U JPH0735365Y2 (en) | 1989-02-20 | 1989-02-20 | Magnetizing yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0321818U true JPH0321818U (en) | 1991-03-05 |
| JPH0735365Y2 JPH0735365Y2 (en) | 1995-08-09 |
Family
ID=31521947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989018805U Expired - Lifetime JPH0735365Y2 (en) | 1989-02-20 | 1989-02-20 | Magnetizing yoke |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735365Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61263206A (en) * | 1985-05-17 | 1986-11-21 | Hitachi Metals Ltd | Magnetizing method |
-
1989
- 1989-02-20 JP JP1989018805U patent/JPH0735365Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61263206A (en) * | 1985-05-17 | 1986-11-21 | Hitachi Metals Ltd | Magnetizing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735365Y2 (en) | 1995-08-09 |