WO2009001750A1 - 平行磁界を発生させるコイルコア - Google Patents
平行磁界を発生させるコイルコア Download PDFInfo
- Publication number
- WO2009001750A1 WO2009001750A1 PCT/JP2008/061223 JP2008061223W WO2009001750A1 WO 2009001750 A1 WO2009001750 A1 WO 2009001750A1 JP 2008061223 W JP2008061223 W JP 2008061223W WO 2009001750 A1 WO2009001750 A1 WO 2009001750A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetic flux
- gap
- coil core
- magnetic field
- distribution
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/002—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects
- F25B2321/0023—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects with modulation, influencing or enhancing an existing magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
Landscapes
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
磁束分布がギャップ部分で樽型に膨らまないように磁束分布を整流し、平行磁界に近い形の磁束分布を、ギャップ面積を広げることなく得る。
対向するポールにより形成された一つのエアギャップをもつコイルコアにおいて、上記対向するポールそれぞれの外周に、上記ギャップ方向に突出し、ギャップ内部の磁束密度分布を均一化する磁束整流板を設け、該磁束整流板は、上記ポールの対向面縁部からギャップ外方に向かって薄くなるように離反する、楔状突き出し部分を有する。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-166393 | 2007-06-25 | ||
JP2007166393A JP2009004696A (ja) | 2007-06-25 | 2007-06-25 | 平行磁界を発生させるコイルコア |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009001750A1 true WO2009001750A1 (ja) | 2008-12-31 |
Family
ID=40185568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/061223 WO2009001750A1 (ja) | 2007-06-25 | 2008-06-19 | 平行磁界を発生させるコイルコア |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2009004696A (ja) |
WO (1) | WO2009001750A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2963823A1 (fr) * | 2010-08-16 | 2012-02-17 | Cooltech Applications | Generateur thermique magnetocalorique |
JP6473546B1 (ja) * | 2018-10-12 | 2019-02-20 | 株式会社東栄科学産業 | 電磁石、磁場印加システム |
JP2021132191A (ja) * | 2020-02-21 | 2021-09-09 | 株式会社東栄科学産業 | 電磁石、磁場印加システム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10146326A (ja) * | 1996-11-19 | 1998-06-02 | Sumitomo Special Metals Co Ltd | Mri用磁界発生装置 |
JP2003153879A (ja) * | 2001-07-12 | 2003-05-27 | Shin Etsu Chem Co Ltd | 傾斜磁場発生コイル及びmri用磁場発生装置 |
-
2007
- 2007-06-25 JP JP2007166393A patent/JP2009004696A/ja active Pending
-
2008
- 2008-06-19 WO PCT/JP2008/061223 patent/WO2009001750A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10146326A (ja) * | 1996-11-19 | 1998-06-02 | Sumitomo Special Metals Co Ltd | Mri用磁界発生装置 |
JP2003153879A (ja) * | 2001-07-12 | 2003-05-27 | Shin Etsu Chem Co Ltd | 傾斜磁場発生コイル及びmri用磁場発生装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2963823A1 (fr) * | 2010-08-16 | 2012-02-17 | Cooltech Applications | Generateur thermique magnetocalorique |
JP6473546B1 (ja) * | 2018-10-12 | 2019-02-20 | 株式会社東栄科学産業 | 電磁石、磁場印加システム |
JP2020061523A (ja) * | 2018-10-12 | 2020-04-16 | 株式会社東栄科学産業 | 電磁石、磁場印加システム |
JP2021132191A (ja) * | 2020-02-21 | 2021-09-09 | 株式会社東栄科学産業 | 電磁石、磁場印加システム |
Also Published As
Publication number | Publication date |
---|---|
JP2009004696A (ja) | 2009-01-08 |
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