GB1338769A - Laminated magnetic core for induction devices and laminations for forming such magnetic core - Google Patents

Laminated magnetic core for induction devices and laminations for forming such magnetic core

Info

Publication number
GB1338769A
GB1338769A GB5866771A GB5866771A GB1338769A GB 1338769 A GB1338769 A GB 1338769A GB 5866771 A GB5866771 A GB 5866771A GB 5866771 A GB5866771 A GB 5866771A GB 1338769 A GB1338769 A GB 1338769A
Authority
GB
United Kingdom
Prior art keywords
laminations
magnetic core
metal
strip
central
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.)
Expired
Application number
GB5866771A
Other languages
English (en)
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.)
F Knobel Elektro Apparatebau AG
Original Assignee
F Knobel Elektro Apparatebau AG
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 F Knobel Elektro Apparatebau AG filed Critical F Knobel Elektro Apparatebau AG
Publication of GB1338769A publication Critical patent/GB1338769A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08—High-leakage transformers or inductances
    • H01F38/10—Ballasts, e.g. for discharge lamps
    • 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)
  • Harvester Elements (AREA)
GB5866771A 1970-12-28 1971-12-17 Laminated magnetic core for induction devices and laminations for forming such magnetic core Expired GB1338769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1923170A CH536545A (de) 1970-12-28 1970-12-28 Lamellierter Magnetkern für Induktionsgeräte

Publications (1)

Publication Number Publication Date
GB1338769A true GB1338769A (en) 1973-11-28

Family

ID=4438153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5866771A Expired GB1338769A (en) 1970-12-28 1971-12-17 Laminated magnetic core for induction devices and laminations for forming such magnetic core

Country Status (13)

Country Link
US (1) US3694784A (enrdf_load_stackoverflow)
AT (1) AT311486B (enrdf_load_stackoverflow)
BE (1) BE777083A (enrdf_load_stackoverflow)
CA (1) CA939765A (enrdf_load_stackoverflow)
CH (1) CH536545A (enrdf_load_stackoverflow)
ES (1) ES398127A1 (enrdf_load_stackoverflow)
FR (1) FR2120827A5 (enrdf_load_stackoverflow)
GB (1) GB1338769A (enrdf_load_stackoverflow)
IL (1) IL38409A (enrdf_load_stackoverflow)
IT (1) IT945686B (enrdf_load_stackoverflow)
NL (1) NL7117580A (enrdf_load_stackoverflow)
NO (1) NO133116C (enrdf_load_stackoverflow)
SE (1) SE369002B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950789C2 (de) * 1979-12-17 1982-07-01 May & Christe Gmbh, Transformatorenwerke, 6370 Oberursel Vorschaltgerät für Leuchtstofflampen
ATE130119T1 (de) * 1992-07-20 1995-11-15 Knobel Lichttech Verfahren zur herstellung einer drossel oder eines transformators mit aus zwei u-förmigen blechen gebildeten e-förmigen kernblechen.
US6865057B2 (en) * 1999-10-05 2005-03-08 Seagate Technology Llc Gapless longitudinal magnetic recording head with flux cavity
US6865056B1 (en) 1999-10-05 2005-03-08 Seagate Technology Llc Longitudinal magnetic recording heads with variable-length gaps
TW200618003A (en) * 2004-11-26 2006-06-01 Mu-Tu Li Electric device, and its labor and materials

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB803914A (en) * 1955-04-20 1958-11-05 Bernhard Philberth Stationary electromagnetic induction apparatus
US3201731A (en) * 1962-11-27 1965-08-17 Electro Netic Steel Inc Transformer core and lamination therefor

Also Published As

Publication number Publication date
NO133116C (enrdf_load_stackoverflow) 1976-03-10
DE2162543B2 (de) 1976-01-15
CH536545A (de) 1973-04-30
FR2120827A5 (enrdf_load_stackoverflow) 1972-08-18
US3694784A (en) 1972-09-26
SE369002B (enrdf_load_stackoverflow) 1974-07-29
IT945686B (it) 1973-05-10
IL38409A (en) 1974-06-30
DE2162543A1 (de) 1972-07-27
CA939765A (en) 1974-01-08
IL38409A0 (en) 1972-02-29
NL7117580A (enrdf_load_stackoverflow) 1972-06-30
ES398127A1 (es) 1974-07-16
AT311486B (de) 1973-11-26
BE777083A (fr) 1972-04-17
NO133116B (enrdf_load_stackoverflow) 1975-12-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee