DE3828985C1 - - Google Patents

Info

Publication number
DE3828985C1
DE3828985C1 DE19883828985 DE3828985A DE3828985C1 DE 3828985 C1 DE3828985 C1 DE 3828985C1 DE 19883828985 DE19883828985 DE 19883828985 DE 3828985 A DE3828985 A DE 3828985A DE 3828985 C1 DE3828985 C1 DE 3828985C1
Authority
DE
Germany
Prior art keywords
air gap
gaps
ferrite core
air
transformer
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
DE19883828985
Other languages
German (de)
English (en)
Inventor
Guenter 8565 Kirchensittenbach De Luber
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.)
Grundig Multimedia BV
Original Assignee
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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 Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Priority to DE19883828985 priority Critical patent/DE3828985C1/de
Priority to EP89110974A priority patent/EP0355298A3/de
Application granted granted Critical
Publication of DE3828985C1 publication Critical patent/DE3828985C1/de
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
    • H01F27/346—Preventing or reducing leakage fields
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Regulation Of General Use Transformers (AREA)
DE19883828985 1988-08-26 1988-08-26 Expired DE3828985C1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19883828985 DE3828985C1 (zh) 1988-08-26 1988-08-26
EP89110974A EP0355298A3 (de) 1988-08-26 1989-06-16 Luftspalt bei einem Transformator für ein Schaltnetzteil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883828985 DE3828985C1 (zh) 1988-08-26 1988-08-26

Publications (1)

Publication Number Publication Date
DE3828985C1 true DE3828985C1 (zh) 1989-09-14

Family

ID=6361651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883828985 Expired DE3828985C1 (zh) 1988-08-26 1988-08-26

Country Status (2)

Country Link
EP (1) EP0355298A3 (zh)
DE (1) DE3828985C1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680842A (zh) * 2013-12-03 2014-03-26 柳州市五环水暖器材经营部 一种可消涡流的软磁合金铁芯变压器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104021919A (zh) * 2014-05-09 2014-09-03 无锡晶磊电子有限公司 用于滤波电感器的块状组合磁芯
DE102017223322A1 (de) * 2017-12-20 2019-06-27 Robert Bosch Gmbh Transformatorkern und Transformator
US11139109B2 (en) * 2018-09-07 2021-10-05 Abb Power Grids Switzerland Ag Leakage reactance plate for power transformer
EP4379757A1 (en) * 2022-11-30 2024-06-05 Delta Electronics (Thailand) Public Co., Ltd. Magnetic component

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3426305A (en) * 1966-06-13 1969-02-04 British Lighting Ind Ltd Choke having a winding of foil
DE3505976A1 (de) * 1985-02-21 1986-08-21 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Transformator fuer einen fersehempfaenger

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7811481A (nl) * 1978-11-22 1980-05-27 Philips Nv Transformator met luchtspleet.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3426305A (en) * 1966-06-13 1969-02-04 British Lighting Ind Ltd Choke having a winding of foil
DE3505976A1 (de) * 1985-02-21 1986-08-21 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Transformator fuer einen fersehempfaenger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680842A (zh) * 2013-12-03 2014-03-26 柳州市五环水暖器材经营部 一种可消涡流的软磁合金铁芯变压器
CN103680842B (zh) * 2013-12-03 2017-02-08 佛山市顺德区万信电子电器有限公司 一种可消涡流的软磁合金铁芯变压器

Also Published As

Publication number Publication date
EP0355298A2 (de) 1990-02-28
EP0355298A3 (de) 1990-08-22

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GRUNDIG E.M.V. ELEKTRO-MECHANISCHE VERSUCHSANSTALT

8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: GRUNDIG AG, 90762 FUERTH, DE

8327 Change in the person/name/address of the patent owner

Owner name: GRUNDIG AG, 90471 NUERNBERG, DE

8327 Change in the person/name/address of the patent owner

Owner name: GRUNDIG MULTIMEDIA B.V., AMSTERDAM, NL

8328 Change in the person/name/address of the agent

Representative=s name: PROELL, J., RECHTSANW., 90471 NUERNBERG

8339 Ceased/non-payment of the annual fee