ZA708278B - Improvements in transformers or chokes - Google Patents

Improvements in transformers or chokes

Info

Publication number
ZA708278B
ZA708278B ZA708278A ZA708278A ZA708278B ZA 708278 B ZA708278 B ZA 708278B ZA 708278 A ZA708278 A ZA 708278A ZA 708278 A ZA708278 A ZA 708278A ZA 708278 B ZA708278 B ZA 708278B
Authority
ZA
South Africa
Prior art keywords
chokes
transformers
Prior art date
Application number
ZA708278A
Other languages
English (en)
Inventor
E Wiesner
Original Assignee
Zumtobel W
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 Zumtobel W filed Critical Zumtobel W
Publication of ZA708278B publication Critical patent/ZA708278B/xx

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)
  • Coils Or Transformers For Communication (AREA)
  • Catching Or Destruction (AREA)
  • Coils Of Transformers For General Uses (AREA)
ZA708278A 1969-12-09 1970-12-08 Improvements in transformers or chokes ZA708278B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1141569A AT311485B (de) 1969-12-09 1969-12-09 Transformator oder Induktionsspule mit Eisenkern

Publications (1)

Publication Number Publication Date
ZA708278B true ZA708278B (en) 1971-08-25

Family

ID=3628582

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA708278A ZA708278B (en) 1969-12-09 1970-12-08 Improvements in transformers or chokes

Country Status (11)

Country Link
AT (1) AT311485B (no)
CH (1) CH524232A (no)
DE (1) DE2058779C2 (no)
ES (1) ES198355Y (no)
FI (1) FI54985C (no)
FR (1) FR2070783B1 (no)
GB (1) GB1328160A (no)
NL (1) NL7016858A (no)
NO (1) NO128886B (no)
SE (1) SE383060B (no)
ZA (1) ZA708278B (no)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT323282B (de) * 1973-06-14 1975-07-10 Zumtobel Walter Transformator oder drossel
FR2354619A1 (fr) * 1976-06-10 1978-01-06 Banet H Procede de decoupage de toles pour la fabrication de transformateurs
FI57192C (fi) * 1976-10-11 1980-06-10 Helvar Oy Jaernkaerna foer drosselanordning eller transformator
EP0028494B1 (en) * 1979-11-02 1984-06-20 Linton And Hirst Limited Method for forming laminations for transformer cores
FR2494026A2 (fr) * 1980-11-12 1982-05-14 Marchal Equip Auto Element de jonction permettant d'ajuster un entrefer magnetique et dispositif magnetique le comportant
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
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
DE4139003A1 (de) * 1991-11-27 1993-06-03 May & Christe Gmbh Magnetkern in mantelbauweise einer drossel oder eines transformators, geschichtet aus c- und i-foermigen kernblechen
DE59300886D1 (de) * 1992-07-20 1995-12-14 Knobel Lichttech Verfahren zur Herstellung einer Drossel oder eines Transformators mit aus zwei U-förmigen Blechen gebildeten E-förmigen Kernblechen.
DE4228642A1 (de) * 1992-08-28 1994-03-03 Tridonic Bauelemente Gmbh Dorn Verfahren zur Impedanz-Einstellung einer Drossel
ES2076859B1 (es) * 1993-04-23 1998-05-01 Luminotecnicas Especial Perfeccionamientos en el troquelado de chapas de nucleo con forma de "e" y de "i"

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE218916C (no) *
FR963429A (no) * 1950-07-10
US1698634A (en) * 1928-01-24 1929-01-08 Gen Electric Electrical induction apparatus
US2235425A (en) * 1938-12-09 1941-03-18 Western Electric Co Electromagnetic core
US2305686A (en) * 1938-12-09 1942-12-22 Western Electric Co Electromagnetic core
US2560224A (en) * 1948-12-31 1951-07-10 Gen Electric Laminated magnetic core
FR60546E (fr) * 1949-12-22 1954-11-09 Lampes Sa Perfectionnements à la fabrication des enroulements ballast
DE1028687B (de) * 1953-03-21 1958-04-24 Plathner Ernst Transformatoren Induktives Vorschaltgeraet fuer Niederspannungsleuchtstofflampen
US3201731A (en) * 1962-11-27 1965-08-17 Electro Netic Steel Inc Transformer core and lamination therefor
DE1563242A1 (de) * 1966-08-23 1969-11-27 Licentia Gmbh Vorschaltdrossel fuer Leuchtstofflampen
DE1613628A1 (de) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Zweiteiliger Eisenkern,insbesondere fuer Transformatoren
DE1638339A1 (de) * 1967-07-01 1970-06-18 Knobel Dubs Fritz Magnetkern
FR1560537A (no) * 1968-01-15 1969-03-21

Also Published As

Publication number Publication date
GB1328160A (en) 1973-08-30
CH524232A (de) 1972-06-15
FR2070783B1 (no) 1976-05-28
AT311485B (de) 1973-11-26
FR2070783A1 (no) 1971-09-17
DE2058779A1 (de) 1971-06-09
NO128886B (no) 1974-01-21
DE2058779C2 (de) 1982-10-07
ES198355U (es) 1975-06-01
FI54985C (fi) 1979-04-10
ES198355Y (es) 1975-11-01
NL7016858A (no) 1971-06-11
SE383060B (sv) 1976-02-23
FI54985B (fi) 1978-12-29

Similar Documents

Publication Publication Date Title
ZA705388B (en) Beverage composition
YU157570A (en) Jonizacioni pozarni alarmni uredaj sa kontrolnom izolacije
ZA705040B (en) Rail grinder
YU31259B (en) Njihajuce sito sa prisilnim pogonom
ZA708278B (en) Improvements in transformers or chokes
ZA703806B (en) Improvements in or relating to regulating transformers
AU6817774A (en) Coil assemblies
YU91570A (en) Drzac alata sa upravljanim pomeranjem alata
ZA701410B (en) Iron core
YU31513B (en) Sediste vozila sa elasticnim makazasto ukrstenim polugama i prigusivacima oscilacija
GB1362816A (en) Furniture core
YU33412B (en) Dvoredno kotrljajuce leziste sa buricima
ZA706531B (en) Improvements in wheelbarrows
ZA704931B (en) Improvements in laminates
ZA705898B (en) Improvements in mincers
IE33172B1 (en) Manually-propelled trolley
AU2174870A (en) Improvements in protective arrangements for transformers
YU31893B (en) Sediste sa elasticnim vesanjem
ZA702733B (en) Acylimidazoles
ZA707613B (en) Choke or transformer
YU31510B (en) Usavrsavanje spojnice izmedu kraja oscilujuce poluge i nosaca cetkica brisaca vetrobrana motornih vozila
AU2721167A (en) Improvements in chokes and transformers
YU32827B (en) Serijsko-naizmenicni i naizmenicno-serijski prekidac
YU246069A (en) Plovni objekat sa mlaznom propulzijom
YU31411B (en) Kocnica sa diskom