SG49993G - Wound core having cross section periphery with circular and elliptic portions - Google Patents

Wound core having cross section periphery with circular and elliptic portions

Info

Publication number
SG49993G
SG49993G SG49993A SG49993A SG49993G SG 49993 G SG49993 G SG 49993G SG 49993 A SG49993 A SG 49993A SG 49993 A SG49993 A SG 49993A SG 49993 G SG49993 G SG 49993G
Authority
SG
Singapore
Prior art keywords
circular
cross
wound core
section periphery
elliptic portions
Prior art date
Application number
SG49993A
Other languages
English (en)
Original Assignee
Kitamura Kiden Kk
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
Priority claimed from JP61277816A external-priority patent/JPS63132408A/ja
Priority claimed from JP61278712A external-priority patent/JPH0666210B2/ja
Application filed by Kitamura Kiden Kk filed Critical Kitamura Kiden Kk
Publication of SG49993G publication Critical patent/SG49993G/en

Links

Classifications

    • 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
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons
    • 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
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
SG49993A 1986-11-22 1993-04-17 Wound core having cross section periphery with circular and elliptic portions SG49993G (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61277816A JPS63132408A (ja) 1986-11-22 1986-11-22 巻鉄心
JP61278712A JPH0666210B2 (ja) 1986-11-25 1986-11-25 半円形断面巻鉄心用帯材の切抜き方法

Publications (1)

Publication Number Publication Date
SG49993G true SG49993G (en) 1993-06-25

Family

ID=26552576

Family Applications (1)

Application Number Title Priority Date Filing Date
SG49993A SG49993G (en) 1986-11-22 1993-04-17 Wound core having cross section periphery with circular and elliptic portions

Country Status (6)

Country Link
US (1) US4848684A (de)
EP (1) EP0269347B1 (de)
KR (1) KR900006536B1 (de)
DE (1) DE3783731T2 (de)
HK (1) HK63693A (de)
SG (1) SG49993G (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5188305A (en) * 1988-09-27 1993-02-23 Kitamura Kiden Co., Ltd. Apparatus for cutting winding strips for use in a wound core
JPH0289304A (ja) * 1988-09-27 1990-03-29 Kitamura Kiden Kk 巻鉄心用帯材の切抜方法
GB9112435D0 (en) * 1991-06-10 1991-07-31 Gec Alsthom Ltd Distribution transformers
JP2901413B2 (ja) * 1992-04-22 1999-06-07 北村機電株式会社 巻鉄心用帯材の切り抜き装置
JP2838627B2 (ja) * 1992-09-03 1998-12-16 電気鉄芯工業株式会社 巻鉄心
US5604467A (en) * 1993-02-11 1997-02-18 Benchmarg Microelectronics Temperature compensated current source operable to drive a current controlled oscillator
JP2771109B2 (ja) * 1994-03-16 1998-07-02 北村機電株式会社 巻鉄心
ES2122426T3 (es) 1994-12-06 1998-12-16 Denso Corp Bobina de encendido para un motor de combustion interna.
JPH09186029A (ja) * 1995-12-27 1997-07-15 Aisan Ind Co Ltd 内燃機関用点火コイル
DE19629930A1 (de) * 1996-07-24 1998-02-05 Siemens Ag Kern eines Transformators mit geschichteten Blechen sowie eine Vorrichtung und ein Verfahren zur Herstellung der Bleche
KR20000070732A (ko) * 1997-02-03 2000-11-25 유니버시티 오브 유타 리써치 파운데이션 전자기 에플리케이션용 비매개 집적된 유도성 소자
JP3794928B2 (ja) 2000-04-17 2006-07-12 東京精電株式会社 低騒音・低損失リアクトル
JP4247314B2 (ja) * 2000-12-25 2009-04-02 Ｓｍｃ株式会社 電磁弁用ソレノイド
EP1348222A2 (de) * 2000-12-29 2003-10-01 ABB Technology AG Herstellungsverfahren für einen gestapelten kern einer induktiven magnetischen vorrichtung
US20060027269A1 (en) * 2004-08-06 2006-02-09 Neff Robert H Rapid response solenoid for electromagnetic operated valve
US9721716B1 (en) 2010-02-26 2017-08-01 Universal Lighting Technologies, Inc. Magnetic component having a core structure with curved openings
US8209850B2 (en) * 2010-03-25 2012-07-03 Tempel Steel Company Method for manufacturing pencil cores
US9824818B2 (en) 2011-10-19 2017-11-21 Keith D. Earhart Method of manufacturing wound transformer core
CA2853037A1 (en) * 2011-10-19 2013-04-25 Keith D. Earhart Wound transformer core and method of manufacture
TW201501148A (zh) * 2013-06-28 2015-01-01 Delta Electronics Inc 磁芯及其適用之磁性元件
CN106783058A (zh) * 2016-12-29 2017-05-31 山东驰翔电气有限公司 一种单相变压器器身结构

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1421899A (en) * 1922-07-04 Transformer
US2220732A (en) * 1938-01-25 1940-11-05 Gen Electric Transformer core and method of making the same
US2282854A (en) * 1939-09-28 1942-05-12 Gen Electric Stationary induction appartus
US2655717A (en) * 1947-03-24 1953-10-20 Ulysses S Dunn Method of forming wound magnetic cores
GB692845A (en) * 1950-10-21 1953-06-17 Asea Ab Method for producing wound magnetic cores having approximately circular cross-section
FR1107583A (fr) * 1954-06-18 1956-01-03 Cem Comp Electro Mec Procédé de fabrication de circuits magnétiques à tôles enroulées
US3066388A (en) * 1957-07-29 1962-12-04 Moloney Electric Company Methods for making magnetic cores
US3201734A (en) * 1960-08-03 1965-08-17 Fed Pacific Electric Co Transformer core and winding
US3465273A (en) * 1967-12-14 1969-09-02 Hunterdon Transformer Co Toroidal inductor
US3464041A (en) * 1968-03-06 1969-08-26 Allis Chalmers Mfg Co Electrical transformer having leakage flux shield
JPS5527614A (en) * 1978-08-18 1980-02-27 Toshiba Corp Winding iron core for transformer and manufacturing method
JPS55132027A (en) * 1979-04-02 1980-10-14 Kitamura Kikai:Kk Rolled core material forming device and rolled core forming device
JPS5680113A (en) * 1979-12-05 1981-07-01 Kitamura Kikai:Kk Cutting of band material for circular cross-sectional winding core
JPS58818A (ja) * 1981-06-25 1983-01-06 日立プラント建設株式会社 籾殻貯留倉庫
US4600911A (en) * 1984-03-20 1986-07-15 Pauwels-Trafo Belgium N.V. Elliptically shaped magnetic core
BE899193A (nl) * 1984-03-20 1984-07-16 Pauwels Trafo Belgium Magnetische kern.
JP3003813B2 (ja) * 1991-05-29 2000-01-31 シーアイ化成株式会社 防曇性塗膜形成用組成物及びこれを用いた農業用防曇性塩化ビニル系樹脂フイルム
JPH0628375A (ja) * 1992-07-07 1994-02-04 Nec Corp 物流業向け明細書作成方式

Also Published As

Publication number Publication date
EP0269347A3 (en) 1989-07-26
KR880006730A (ko) 1988-07-23
DE3783731D1 (de) 1993-03-04
EP0269347B1 (de) 1993-01-20
DE3783731T2 (de) 1993-05-13
EP0269347A2 (de) 1988-06-01
HK63693A (en) 1993-07-09
KR900006536B1 (ko) 1990-09-07
US4848684A (en) 1989-07-18

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