BE876741A - Tole de noyau d'une piece a au moins une fenetre et procede et outil pour la fabriquer - Google Patents

Tole de noyau d'une piece a au moins une fenetre et procede et outil pour la fabriquer

Info

Publication number
BE876741A
BE876741A BE0/195543A BE195543A BE876741A BE 876741 A BE876741 A BE 876741A BE 0/195543 A BE0/195543 A BE 0/195543A BE 195543 A BE195543 A BE 195543A BE 876741 A BE876741 A BE 876741A
Authority
BE
Belgium
Prior art keywords
window
tool
manufacturing
core sheet
piece core
Prior art date
Application number
BE0/195543A
Other languages
English (en)
Inventor
H Middecke
Original Assignee
Blum Eisen & Metallind
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 Blum Eisen & Metallind filed Critical Blum Eisen & Metallind
Publication of BE876741A publication Critical patent/BE876741A/fr

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
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • 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
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
BE0/195543A 1978-06-02 1979-06-01 Tole de noyau d'une piece a au moins une fenetre et procede et outil pour la fabriquer BE876741A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782824207 DE2824207A1 (de) 1978-06-02 1978-06-02 Einteiliges kernblech mit mindestens einem fenster fuer transformatoren, drosselspulen, konstanthalter o.dgl. sowie verfahren und werkzeug zu seiner herstellung

Publications (1)

Publication Number Publication Date
BE876741A true BE876741A (fr) 1979-12-03

Family

ID=6040854

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/195543A BE876741A (fr) 1978-06-02 1979-06-01 Tole de noyau d'une piece a au moins une fenetre et procede et outil pour la fabriquer

Country Status (4)

Country Link
BE (1) BE876741A (fr)
DE (1) DE2824207A1 (fr)
FR (1) FR2427669A1 (fr)
GB (1) GB2026778B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135687A1 (de) * 1981-09-09 1983-03-24 E. Blum GmbH & Co, 7143 Vaihingen Einteiliges kernblech mit mindestens einem fenster fuer transformatoren, drosselspulen, konstanthalter oder dergleichen, sowie verfahren und werkzeug zu seiner herstellung
DE3135684A1 (de) * 1981-09-09 1983-03-24 E. Blum GmbH & Co, 7143 Vaihingen Einteiliges kernblech mit mindestens einem fenster fuer transformatoren, drosselspulen, konstanthalter oder dergleichen, sowie verfahren und werkzeug zu seiner herstellung
CN114188134A (zh) * 2021-11-16 2022-03-15 国网浙江省电力有限公司金华供电公司 一种降低铁心角部噪声的降噪结构和电力变压器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053096B (de) * 1956-03-07 1959-03-19 Siemens Ag Zusammenhaengendes Kernblech mit mindestens einem Fenster zur Schichtung von Metallkernen fuer Transformatoren und Drosseln, insbesondere Magnetverstaerker
US3219957A (en) * 1957-12-03 1965-11-23 Advance Transformer Co Core for electromagnetic device
DE1613628A1 (de) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Zweiteiliger Eisenkern,insbesondere fuer Transformatoren
GB1568592A (en) * 1976-10-30 1980-06-04 Sawatzky W Core lamination for shell-type cores preferably for transformers

Also Published As

Publication number Publication date
GB2026778A (en) 1980-02-06
GB2026778B (en) 1982-11-24
FR2427669A1 (fr) 1979-12-28
DE2824207A1 (de) 1979-12-06
FR2427669B1 (fr) 1983-02-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EISEN- UND METALLINDUSTRIE E. BLUM K.G.

Effective date: 19840601