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 PDF

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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
Application number
PCT/JP2008/061223
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Ono
Original Assignee
International Manufacturing And Engineering Services Co., Ltd.
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 by International Manufacturing And Engineering Services Co., Ltd. filed Critical International Manufacturing And Engineering Services Co., Ltd.
Publication of WO2009001750A1 publication Critical patent/WO2009001750A1/ja

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。
PCT/JP2008/061223 2007-06-25 2008-06-19 平行磁界を発生させるコイルコア WO2009001750A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007166393A JP2009004696A (ja) 2007-06-25 2007-06-25 平行磁界を発生させるコイルコア
JP2007-166393 2007-06-25

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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 (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JP2009004696A (ja) 2009-01-08

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