GB2102631B - Transformer with a magnetic screen - Google Patents

Transformer with a magnetic screen

Info

Publication number
GB2102631B
GB2102631B GB08218513A GB8218513A GB2102631B GB 2102631 B GB2102631 B GB 2102631B GB 08218513 A GB08218513 A GB 08218513A GB 8218513 A GB8218513 A GB 8218513A GB 2102631 B GB2102631 B GB 2102631B
Authority
GB
United Kingdom
Prior art keywords
transformer
magnetic screen
screen
magnetic
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.)
Expired
Application number
GB08218513A
Other languages
English (en)
Other versions
GB2102631A (en
Inventor
Siegried Mehl
Sieghard Post
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB2102631A publication Critical patent/GB2102631A/en
Application granted granted Critical
Publication of GB2102631B publication Critical patent/GB2102631B/en
Expired legal-status Critical Current

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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Coils Or Transformers For Communication (AREA)
GB08218513A 1981-07-04 1982-06-25 Transformer with a magnetic screen Expired GB2102631B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813126498 DE3126498C3 (de) 1981-07-04 1981-07-04 Magnetische Abschirming für einen Übertrager

Publications (2)

Publication Number Publication Date
GB2102631A GB2102631A (en) 1983-02-02
GB2102631B true GB2102631B (en) 1984-12-12

Family

ID=6136158

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08218513A Expired GB2102631B (en) 1981-07-04 1982-06-25 Transformer with a magnetic screen

Country Status (5)

Country Link
US (1) US4460884A (enExample)
JP (1) JPS5814514A (enExample)
DE (1) DE3126498C3 (enExample)
FR (1) FR2509083A1 (enExample)
GB (1) GB2102631B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646045A (en) * 1985-03-25 1987-02-24 General Electric Company Aperture sized disc shaped end caps of a ferromagnetic shield for magnetic resonance magnets
JPH0691335B2 (ja) * 1986-01-17 1994-11-14 三菱電機株式会社 電磁応用機器のシ−ルド
DE3627888A1 (de) * 1986-08-16 1988-02-18 Philips Patentverwaltung Transformator mit einer magnetischen abschirmung
DE3627887A1 (de) * 1986-08-16 1988-02-18 Philips Patentverwaltung Transformator mit einer magnetischen abschirmung
EP0256583A1 (de) * 1986-08-16 1988-02-24 Philips Patentverwaltung GmbH Transformator mit einer magnetischen Abschirmung
DE3627890A1 (de) * 1986-08-16 1988-02-25 Philips Patentverwaltung Transformator mit einer magnetischen abschirmung und verfahren zur herstellung einer solchen abschirmung
DE8904380U1 (de) * 1989-04-07 1989-05-24 Bosch-Siemens Hausgeräte GmbH, 8000 München Hochspannungstransformator
JP3311391B2 (ja) * 1991-09-13 2002-08-05 ヴィエルティー コーポレーション 漏洩インダクタンス低減トランス、これを用いた高周波回路及びパワーコンバータ並びにトランスにおける漏洩インダクタンスの低減方法
EP0775765B1 (en) * 1995-11-27 2004-02-04 Vlt Corporation Plating permeable cores
TWM411647U (en) * 2011-01-14 2011-09-11 Yujing Technology Co Ltd Dual-face secondary-side lamination transformer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE584291C (de) * 1928-10-12 1933-09-18 Ericsson Telefon Ab L M Induktionsspule mit Eisenkern, insbesondere zur Belastung von Fernmeldeleitungen
GB435038A (en) * 1934-03-10 1935-09-10 Marconi Wireless Telegraph Co Improvements in or relating to audio frequency transformers
DE912111C (de) * 1943-02-10 1954-05-24 Siemens Ag Induktive Belastung von symmetrischen Fernmeldeleitungen, insbesondere von verdrillten Kabeldoppelleitungen, fuer die Mehrfachtraegerfrequenzuebertragung mit Frequenzen ueber 50 kHz, vorzugsweise ueber 100 kHz, und Mantelkernspule hierfuer
DE1205614B (de) * 1960-08-04 1965-11-25 Standard Elektrik Lorenz Ag Spann- und Befestigungsvorrichtung fuer kleine und mittlere Schnittbandkerne
FR1499138A (fr) * 1966-04-21 1967-10-27 Radiotechnique Procédé et dispositif d'assemblage d'un élément cylindrique et de son boitier de protection
DE1539977B2 (de) * 1966-12-08 1971-01-14 Frako, Kondensatoren und Apparate bau GmbH, 7835 Temngen Befestigungsvorrichtung für Schnitt bandkerne
GB1220151A (en) * 1968-02-16 1971-01-20 Advance Electronics Ltd Magnetically screened inductance devices
US3626345A (en) * 1969-10-13 1971-12-07 Toko Inc Radiofrequency transformer
DE2025033A1 (de) * 1970-05-15 1971-12-02 Siemens Ag Transformator, Meßwandler oder dergleichen
JPS54119621A (en) * 1978-03-09 1979-09-17 Mitsubishi Electric Corp Electrostatic plate for electric induction apparatus
JPS55146919A (en) * 1980-03-06 1980-11-15 Victor Co Of Japan Ltd Manufacture of transformer

Also Published As

Publication number Publication date
US4460884A (en) 1984-07-17
DE3126498C3 (de) 1987-07-09
DE3126498C2 (de) 1983-08-11
DE3126498A1 (de) 1983-01-20
FR2509083A1 (fr) 1983-01-07
JPS5814514A (ja) 1983-01-27
GB2102631A (en) 1983-02-02
FR2509083B1 (enExample) 1984-12-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee