GB2245106A - Gapped flyback smps transformer core with gap faces of reduced area - Google Patents

Gapped flyback smps transformer core with gap faces of reduced area Download PDF

Info

Publication number
GB2245106A
GB2245106A GB9111508A GB9111508A GB2245106A GB 2245106 A GB2245106 A GB 2245106A GB 9111508 A GB9111508 A GB 9111508A GB 9111508 A GB9111508 A GB 9111508A GB 2245106 A GB2245106 A GB 2245106A
Authority
GB
United Kingdom
Prior art keywords
core
cylindrical portion
gap
central
core halves
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.)
Withdrawn
Application number
GB9111508A
Other languages
English (en)
Other versions
GB9111508D0 (en
Inventor
Masakazu Kazama
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB9111508D0 publication Critical patent/GB9111508D0/en
Publication of GB2245106A publication Critical patent/GB2245106A/en
Withdrawn legal-status Critical Current

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
    • 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
    • H01F27/255—Magnetic cores made from particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Dc-Dc Converters (AREA)
  • Coils Or Transformers For Communication (AREA)
GB9111508A 1990-05-29 1991-05-29 Gapped flyback smps transformer core with gap faces of reduced area Withdrawn GB2245106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5537490U JPH0415220U (US06265458-20010724-C00056.png) 1990-05-29 1990-05-29

Publications (2)

Publication Number Publication Date
GB9111508D0 GB9111508D0 (en) 1991-07-17
GB2245106A true GB2245106A (en) 1991-12-18

Family

ID=12996710

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9111508A Withdrawn GB2245106A (en) 1990-05-29 1991-05-29 Gapped flyback smps transformer core with gap faces of reduced area

Country Status (3)

Country Link
JP (1) JPH0415220U (US06265458-20010724-C00056.png)
DE (1) DE4116740A1 (US06265458-20010724-C00056.png)
GB (1) GB2245106A (US06265458-20010724-C00056.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TNSN00089A1 (fr) * 1999-04-26 2002-05-30 Int Paper Co Scelleur a machoires multiples
GB2367192B (en) * 2000-09-01 2003-11-05 Minebea Electronics A method of designing an inductor
DE10319532B4 (de) * 2003-04-30 2017-12-21 BSH Hausgeräte GmbH Vorrichtung zur induktiven Übertragung von Energie

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1219217A (en) * 1968-06-21 1971-01-13 Varo Constant voltage transformer
EP0039485A1 (de) * 1980-05-07 1981-11-11 Licentia Patent-Verwaltungs-GmbH Zeilentransformator für einen Fernsehempfänger
US4334206A (en) * 1979-08-23 1982-06-08 Sanyo Electric Co., Ltd. Ferrite core type transformer
US4887061A (en) * 1988-01-18 1989-12-12 Tdk Corporation Transformer for a flyback type converter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010204B (de) * 1952-03-14 1957-06-13 Siemens Ag Spulenanordnung mit ferromagnetischem Kern
JPS47946U (US06265458-20010724-C00056.png) * 1971-01-16 1972-08-09
AT384127B (de) * 1985-12-11 1987-10-12 Schrack Elektronik Ag Sperrwandler mit wenigstens einer sperrwandler-transformatoranordnung
EP0385220B1 (en) * 1989-02-27 1995-05-03 TDK Corporation Coil device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1219217A (en) * 1968-06-21 1971-01-13 Varo Constant voltage transformer
US4334206A (en) * 1979-08-23 1982-06-08 Sanyo Electric Co., Ltd. Ferrite core type transformer
EP0039485A1 (de) * 1980-05-07 1981-11-11 Licentia Patent-Verwaltungs-GmbH Zeilentransformator für einen Fernsehempfänger
US4887061A (en) * 1988-01-18 1989-12-12 Tdk Corporation Transformer for a flyback type converter

Also Published As

Publication number Publication date
GB9111508D0 (en) 1991-07-17
DE4116740A1 (de) 1991-12-05
JPH0415220U (US06265458-20010724-C00056.png) 1992-02-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)