JPS6182607U - - Google Patents
Info
- Publication number
- JPS6182607U JPS6182607U JP16813784U JP16813784U JPS6182607U JP S6182607 U JPS6182607 U JP S6182607U JP 16813784 U JP16813784 U JP 16813784U JP 16813784 U JP16813784 U JP 16813784U JP S6182607 U JPS6182607 U JP S6182607U
- Authority
- JP
- Japan
- Prior art keywords
- inner circumferential
- permanent magnet
- annular yoke
- circumferential surface
- permanent magnets
- 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
- 230000005415 magnetization Effects 0.000 claims 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Description
第1図はこの考案による磁界発生装置に用いる
磁気回路の斜視図である。第2図は従来の磁界発
生装置の磁気回路の正面説明図である。
1…環状ヨーク、2…Fe−B−R系永久磁石
、3…空隙、4…磁極片、5…永久磁石、6…磁
極片、7…継鉄、8…空隙。
FIG. 1 is a perspective view of a magnetic circuit used in a magnetic field generating device according to this invention. FIG. 2 is an explanatory front view of a magnetic circuit of a conventional magnetic field generating device. DESCRIPTION OF SYMBOLS 1... Annular yoke, 2... Fe-B-R system permanent magnet, 3... Air gap, 4... Magnetic pole piece, 5... Permanent magnet, 6... Magnetic pole piece, 7... Yoke, 8... Air gap.
Claims (1)
向に磁化方向を有する断面弓形状の永久磁石の一
対を異磁極を対向させて設け、対向させた永久磁
石の湾曲内周面間に空隙を形成し、永久磁石の湾
曲内周面に同湾曲面を有する磁極片を設けたこと
を特徴とする磁界発生装置。 A pair of permanent magnets having an arcuate cross section and a magnetization direction in one diameter direction of the annular yoke are provided on the inner circumferential surface of the annular yoke, with different magnetic poles facing each other, and a gap is formed between the curved inner circumferential surfaces of the opposing permanent magnets. What is claimed is: 1. A magnetic field generating device comprising: a permanent magnet; and a magnetic pole piece having the same curved surface is provided on the curved inner circumferential surface of a permanent magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16813784U JPH0246001Y2 (en) | 1984-11-06 | 1984-11-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16813784U JPH0246001Y2 (en) | 1984-11-06 | 1984-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6182607U true JPS6182607U (en) | 1986-05-31 |
JPH0246001Y2 JPH0246001Y2 (en) | 1990-12-05 |
Family
ID=30725917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16813784U Expired JPH0246001Y2 (en) | 1984-11-06 | 1984-11-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0246001Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014007122A1 (en) * | 2012-07-02 | 2014-01-09 | 日立金属株式会社 | Magnetic circuit |
-
1984
- 1984-11-06 JP JP16813784U patent/JPH0246001Y2/ja not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014007122A1 (en) * | 2012-07-02 | 2014-01-09 | 日立金属株式会社 | Magnetic circuit |
JP5892246B2 (en) * | 2012-07-02 | 2016-03-23 | 日立金属株式会社 | Magnetic circuit |
JPWO2014007122A1 (en) * | 2012-07-02 | 2016-06-02 | 日立金属株式会社 | Magnetic circuit |
US9576712B2 (en) | 2012-07-02 | 2017-02-21 | Hitachi Metals, Ltd. | Magnetic circuit for magnetic field generator |
Also Published As
Publication number | Publication date |
---|---|
JPH0246001Y2 (en) | 1990-12-05 |
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