FR2367340B1 - - Google Patents

Info

Publication number
FR2367340B1
FR2367340B1 FR7730456A FR7730456A FR2367340B1 FR 2367340 B1 FR2367340 B1 FR 2367340B1 FR 7730456 A FR7730456 A FR 7730456A FR 7730456 A FR7730456 A FR 7730456A FR 2367340 B1 FR2367340 B1 FR 2367340B1
Authority
FR
France
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
FR7730456A
Other languages
French (fr)
Other versions
FR2367340A1 (fr
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.)
Helvar Oy AB
Original Assignee
Helvar Oy AB
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 Helvar Oy AB filed Critical Helvar Oy AB
Publication of FR2367340A1 publication Critical patent/FR2367340A1/fr
Application granted granted Critical
Publication of FR2367340B1 publication Critical patent/FR2367340B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Soft Magnetic Materials (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
FR7730456A 1976-10-11 1977-10-10 Noyau de fer pour une auto-inductrice ou un transformateur et son procede de fabrication Granted FR2367340A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI762891A FI57192C (fi) 1976-10-11 1976-10-11 Jaernkaerna foer drosselanordning eller transformator

Publications (2)

Publication Number Publication Date
FR2367340A1 FR2367340A1 (fr) 1978-05-05
FR2367340B1 true FR2367340B1 (OSRAM) 1984-02-24

Family

ID=8510328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7730456A Granted FR2367340A1 (fr) 1976-10-11 1977-10-10 Noyau de fer pour une auto-inductrice ou un transformateur et son procede de fabrication

Country Status (8)

Country Link
DE (1) DE2745701C2 (OSRAM)
FI (1) FI57192C (OSRAM)
FR (1) FR2367340A1 (OSRAM)
GB (1) GB1588765A (OSRAM)
NO (1) NO148466C (OSRAM)
PL (1) PL114511B1 (OSRAM)
SE (1) SE421362B (OSRAM)
SU (1) SU745390A3 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017368A1 (de) * 1980-05-07 1981-11-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Zeilentransformator fuer einen fernsehempfaenger
DE3510854A1 (de) * 1985-03-26 1986-10-02 Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7068 Urbach Verfahren zur herstellung u-foermiger kernbleche und zwischen deren schenkel passender t-foermiger rueckschlussbleche einer drossel oder eines transformators, insbesondere fuer gasentladungslampen
EP0571242A1 (fr) * 1992-05-21 1993-11-24 Acec Ballasts Circuit magnétique à entrefer, en particulier pour ballasts pour lampes à décharge, et son procédé de fabrication

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE159059C (OSRAM) *
GB128118A (en) * 1918-11-13 1919-06-19 Ralph Crosbie-Hill Improvements relating to Electric Transformers.
US1783050A (en) * 1930-04-22 1930-11-25 Gen Electric Magnetic core
US3132285A (en) * 1957-03-22 1964-05-05 Jefferson Electric Co Transformer ballast assembly for energizing gas discharge devices
GB878573A (en) * 1958-09-10 1961-10-04 Gen Electric Co Ltd Improvements in or relating to the production of magnetic core laminations
FR1218773A (fr) * 1959-03-11 1960-05-12 Normacem Sa Circuit magnétique pour transformateur
US3153961A (en) * 1963-06-20 1964-10-27 Advance Transformer Co Method of producing transformer core laminations from strip stock
DE1613628A1 (de) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Zweiteiliger Eisenkern,insbesondere fuer Transformatoren
AT304691B (de) * 1969-12-09 1973-01-25 Zumtobel Walter Transformator oder Induktionsspule
AT311485B (de) * 1969-12-09 1973-11-26 Zumtobel Walter Transformator oder Induktionsspule mit Eisenkern
AT304692B (de) * 1969-12-29 1973-01-25 Zumtobel Walter Eisenpaket oder Kern, vorzugsweise aus geschichteten Lamellen
SE363924B (OSRAM) * 1970-08-27 1974-02-04 Licentia Gmbh
DE2106900A1 (de) * 1971-02-13 1972-08-24 Siemens Ag Elektrische Drosselspule für den Betrieb von Gasentladungslampen
FR2173689B1 (OSRAM) * 1972-02-28 1975-06-13 Cetek Const Electrotech
DE2309727C3 (de) * 1973-02-27 1979-05-03 Fa. Hermann Schwabe, 7067 Urbach Verfahren zur Herstellung von insbesondere als Vorschaltgerät für Gasentladungslampen zu verwendende Drosseln oder Transformatoren
DE7427707U (de) * 1973-08-20 1974-11-28 Zumtobel W Transformator oder Drosselspule mit einem Eisenkörper

Also Published As

Publication number Publication date
FI57192B (fi) 1980-02-29
PL201439A1 (pl) 1978-04-24
NO148466C (no) 1983-10-12
SE421362B (sv) 1981-12-14
FI762891A7 (fi) 1978-04-12
SU745390A3 (ru) 1980-06-30
SE7711335L (sv) 1978-04-12
GB1588765A (en) 1981-04-29
NO773445L (no) 1978-04-12
DE2745701C2 (de) 1986-07-31
NO148466B (no) 1983-07-04
FI57192C (fi) 1980-06-10
FR2367340A1 (fr) 1978-05-05
DE2745701A1 (de) 1978-04-13
PL114511B1 (en) 1981-02-28

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