EP0580131A3 - - Google Patents

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Publication number
EP0580131A3
EP0580131A3 EP19930111617 EP93111617A EP0580131A3 EP 0580131 A3 EP0580131 A3 EP 0580131A3 EP 19930111617 EP19930111617 EP 19930111617 EP 93111617 A EP93111617 A EP 93111617A EP 0580131 A3 EP0580131 A3 EP 0580131A3
Authority
EP
European Patent Office
Prior art keywords
laminate
shaped
stack
core
another
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.)
Granted
Application number
EP19930111617
Other languages
English (en)
Other versions
EP0580131A2 (de
EP0580131B1 (de
Inventor
Jakob Marti-Hefti
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.)
Knobel AG Lichttechnische Komponenten
Original Assignee
Knobel AG Lichttechnische Komponenten
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 Knobel AG Lichttechnische Komponenten filed Critical Knobel AG Lichttechnische Komponenten
Publication of EP0580131A2 publication Critical patent/EP0580131A2/de
Publication of EP0580131A3 publication Critical patent/EP0580131A3/xx
Application granted granted Critical
Publication of EP0580131B1 publication Critical patent/EP0580131B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01F27/24—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)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Electromagnets (AREA)
EP93111617A 1992-07-20 1993-07-20 Verfahren zur Herstellung einer Drossel oder eines Transformators mit aus zwei U-förmigen Blechen gebildeten E-förmigen Kernblechen Expired - Lifetime EP0580131B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH228492 1992-07-20
CH2284/92 1992-07-20

Publications (3)

Publication Number Publication Date
EP0580131A2 EP0580131A2 (de) 1994-01-26
EP0580131A3 true EP0580131A3 (enrdf_load_stackoverflow) 1994-03-23
EP0580131B1 EP0580131B1 (de) 1995-11-08

Family

ID=4230175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93111617A Expired - Lifetime EP0580131B1 (de) 1992-07-20 1993-07-20 Verfahren zur Herstellung einer Drossel oder eines Transformators mit aus zwei U-förmigen Blechen gebildeten E-förmigen Kernblechen

Country Status (4)

Country Link
EP (1) EP0580131B1 (enrdf_load_stackoverflow)
AT (1) ATE130119T1 (enrdf_load_stackoverflow)
DE (1) DE59300886D1 (enrdf_load_stackoverflow)
ES (1) ES2079925T3 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07297055A (ja) * 1994-04-26 1995-11-10 Matsushita Electric Ind Co Ltd チョークコイル
US6975049B2 (en) 2003-10-29 2005-12-13 A. O. Smith Corporation Electrical machine and method of manufacturing the same
DE102004012436B4 (de) * 2004-03-12 2006-04-20 Vossloh-Schwabe Deutschland Gmbh Kernblech für induktives Bauelement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120827A5 (enrdf_load_stackoverflow) * 1970-12-28 1972-08-18 Elektro Apparat Knobel
GB1328160A (en) * 1969-12-09 1973-08-30 Zumtobel W Transformers or chokes
DE2638369A1 (de) * 1976-08-26 1978-03-02 Bernhard Philberth Eisenkern fuer transformatoren, drosseln o.dgl.
GB2048575A (en) * 1979-05-04 1980-12-10 Thorn Electrical Ind Ltd Electrical choke or transformer
DE3402036C1 (de) * 1984-01-21 1985-07-11 Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7067 Urbach Verfahren zum Herstellen E-förmiger Kernbleche und I-förmiger Rückschlußbleche einer Drossel oder eines Transformators, insbesondere für Gasentladungslampen
DE3727457A1 (de) * 1987-08-18 1989-03-02 Waasner Elektrotechnische Fabr Drehstromtransformator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1328160A (en) * 1969-12-09 1973-08-30 Zumtobel W Transformers or chokes
FR2120827A5 (enrdf_load_stackoverflow) * 1970-12-28 1972-08-18 Elektro Apparat Knobel
DE2638369A1 (de) * 1976-08-26 1978-03-02 Bernhard Philberth Eisenkern fuer transformatoren, drosseln o.dgl.
GB2048575A (en) * 1979-05-04 1980-12-10 Thorn Electrical Ind Ltd Electrical choke or transformer
DE3402036C1 (de) * 1984-01-21 1985-07-11 Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7067 Urbach Verfahren zum Herstellen E-förmiger Kernbleche und I-förmiger Rückschlußbleche einer Drossel oder eines Transformators, insbesondere für Gasentladungslampen
DE3727457A1 (de) * 1987-08-18 1989-03-02 Waasner Elektrotechnische Fabr Drehstromtransformator

Also Published As

Publication number Publication date
EP0580131A2 (de) 1994-01-26
ES2079925T3 (es) 1996-01-16
EP0580131B1 (de) 1995-11-08
ATE130119T1 (de) 1995-11-15
DE59300886D1 (de) 1995-12-14

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