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
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/en

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 (en) 1969-12-09 1969-12-09 Transformer or induction coil with iron core

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 (en)
CH (1) CH524232A (en)
DE (1) DE2058779C2 (en)
ES (1) ES198355Y (en)
FI (1) FI54985C (en)
FR (1) FR2070783B1 (en)
GB (1) GB1328160A (en)
NL (1) NL7016858A (en)
NO (1) NO128886B (en)
SE (1) SE383060B (en)
ZA (1) ZA708278B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT323282B (en) * 1973-06-14 1975-07-10 Zumtobel Walter TRANSFORMER OR THROTTLE
FR2354619A1 (en) * 1976-06-10 1978-01-06 Banet H Fabrication method for transformer laminations - minimises cutting wastage and gives laminations which are butt fitted
FI57192C (en) * 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 (en) * 1980-11-12 1982-05-14 Marchal Equip Auto Air gaps setting method for automobile induction coil cores - uses non-magnetic spacer with pairs of orthogonal flanges to fully interlock yoke and U-core
DE3402036C1 (en) * 1984-01-21 1985-07-11 Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7067 Urbach Method for producing E-shaped core laminates and I-shaped magnetic return path laminates of an inductor or of a transformer, especially for gas-discharge lamps
DE3510854A1 (en) * 1985-03-26 1986-10-02 Schwabe GmbH & Co KG Elektrotechnische Fabrik, 7068 Urbach METHOD FOR THE PRODUCTION OF U-SHAPED CORE SHEETS AND T-SHAPED BACK-SHAPING SHEETS THAT MATCH BETWEEN THE SIDE OF THEM OF A THROTTLE OR A TRANSFORMER, ESPECIALLY FOR GAS DISCHARGE LAMPS
DE4139003A1 (en) * 1991-11-27 1993-06-03 May & Christe Gmbh MAGNETIC CORE IN THE SHELL DESIGN OF A THROTTLE OR TRANSFORMER, LAYERED FROM C AND I-SHAPED CORE SHEETS
ES2079925T3 (en) * 1992-07-20 1996-01-16 Knobel Lichttech REACTANCE COIL OR TRANSFORMER WITH E-SHAPED NUCLEUM SHEETS FORMED BY TWO U-SHAPED SHEETS.
DE4228642A1 (en) * 1992-08-28 1994-03-03 Tridonic Bauelemente Gmbh Dorn Choke impedance adjustment method
ES2076859B1 (en) * 1993-04-23 1998-05-01 Luminotecnicas Especial IMPROVEMENTS IN THE DIE CUTTING OF NUCLEUS PLATES IN THE FORM OF "E" AND "I"

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE218916C (en) *
FR963429A (en) * 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 (en) * 1949-12-22 1954-11-09 Lampes Sa Improvements in the manufacture of ballast windings
DE1028687B (en) * 1953-03-21 1958-04-24 Plathner Ernst Transformatoren Inductive ballast for low voltage fluorescent lamps
US3201731A (en) * 1962-11-27 1965-08-17 Electro Netic Steel Inc Transformer core and lamination therefor
DE1563242A1 (en) * 1966-08-23 1969-11-27 Licentia Gmbh Ballast for fluorescent lamps
DE1613628A1 (en) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Two-part iron core, especially for transformers
DE1638339A1 (en) * 1967-07-01 1970-06-18 Knobel Dubs Fritz Magnetic core
FR1560537A (en) * 1968-01-15 1969-03-21

Also Published As

Publication number Publication date
NL7016858A (en) 1971-06-11
DE2058779C2 (en) 1982-10-07
FI54985B (en) 1978-12-29
DE2058779A1 (en) 1971-06-09
CH524232A (en) 1972-06-15
ES198355Y (en) 1975-11-01
AT311485B (en) 1973-11-26
ES198355U (en) 1975-06-01
SE383060B (en) 1976-02-23
GB1328160A (en) 1973-08-30
FI54985C (en) 1979-04-10
NO128886B (en) 1974-01-21
FR2070783B1 (en) 1976-05-28
FR2070783A1 (en) 1971-09-17

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