JPS6280305U - - Google Patents
Info
- Publication number
- JPS6280305U JPS6280305U JP17194785U JP17194785U JPS6280305U JP S6280305 U JPS6280305 U JP S6280305U JP 17194785 U JP17194785 U JP 17194785U JP 17194785 U JP17194785 U JP 17194785U JP S6280305 U JPS6280305 U JP S6280305U
- Authority
- JP
- Japan
- Prior art keywords
- oval
- soft magnetic
- shaped
- shaped soft
- 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
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
- Particle Accelerators (AREA)
Description
第1図及び第2図は本考案の一実施例を示す断
面図及び平面図、第3図は本考案の作用の説明に
供する断面図、第4図は同じく第3図横断面図、
第5図は本考案の作用時の磁束の変化を示す線図
である。
1……リング状永久磁石、2……小判状軟磁性
体、3……リターンヨーク。
1 and 2 are a cross-sectional view and a plan view showing one embodiment of the present invention, FIG. 3 is a cross-sectional view for explaining the operation of the present invention, and FIG. 4 is a cross-sectional view similar to that shown in FIG.
FIG. 5 is a diagram showing changes in magnetic flux during operation of the present invention. 1...Ring-shaped permanent magnet, 2...Oval-shaped soft magnetic material, 3...Return yoke.
Claims (1)
中心を一致させて積層し、しかも前記小判状軟磁
性体の長尺は前記永久磁石の径より大とし、また
長尺箇所で複数の小判状軟磁性体が磁気的に橋絡
するようにリターンヨークを設け、前記小判状軟
磁性体とリターンヨークとの相対的回転により回
転中心での磁場の強さを可変するようにした磁場
発生装置。 Oval-shaped soft magnetic bodies and ring-shaped permanent magnets are stacked alternately with their centers coinciding, and the long length of the oval-shaped soft magnetic bodies is larger than the diameter of the permanent magnet, and a plurality of oval shaped permanent magnets are stacked at the long parts. A magnetic field generating device in which a return yoke is provided so that the oval-shaped soft magnetic material is magnetically bridged, and the strength of the magnetic field at the center of rotation is varied by relative rotation between the oval-shaped soft magnetic material and the return yoke. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17194785U JPH0244482Y2 (en) | 1985-11-08 | 1985-11-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17194785U JPH0244482Y2 (en) | 1985-11-08 | 1985-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6280305U true JPS6280305U (en) | 1987-05-22 |
JPH0244482Y2 JPH0244482Y2 (en) | 1990-11-27 |
Family
ID=31108042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17194785U Expired JPH0244482Y2 (en) | 1985-11-08 | 1985-11-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0244482Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01132879U (en) * | 1988-02-29 | 1989-09-08 | ||
JP2011009414A (en) * | 2009-06-25 | 2011-01-13 | Nidec Sankyo Corp | Method of manufacturing magnet, and lens drive device |
-
1985
- 1985-11-08 JP JP17194785U patent/JPH0244482Y2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01132879U (en) * | 1988-02-29 | 1989-09-08 | ||
JP2011009414A (en) * | 2009-06-25 | 2011-01-13 | Nidec Sankyo Corp | Method of manufacturing magnet, and lens drive device |
Also Published As
Publication number | Publication date |
---|---|
JPH0244482Y2 (en) | 1990-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6280305U (en) | ||
JPH0380744U (en) | ||
JPS62159177U (en) | ||
JPS63172277U (en) | ||
JPS62159176U (en) | ||
JPS6252913U (en) | ||
JPS6189280U (en) | ||
JPH0232054U (en) | ||
JPS6282707U (en) | ||
JPH0186466U (en) | ||
JPS61195012U (en) | ||
JPH0249054U (en) | ||
JPS61192667U (en) | ||
JPS6339679U (en) | ||
JPS58115885U (en) | magnet motor | |
JPS6223405U (en) | ||
JPS6166907U (en) | ||
JPS58143478U (en) | DC machine field device | |
JPS61104488U (en) | ||
JPH01135488U (en) | ||
JPS6437369U (en) | ||
JPS6355164U (en) | ||
JPH0384543U (en) | ||
JPS60111379U (en) | electromagnetic converter | |
JPH01135487U (en) |