GB1418976A - Method for fabricating a ballast choke with adjustable air gap and choke produced thereby - Google Patents

Method for fabricating a ballast choke with adjustable air gap and choke produced thereby

Info

Publication number
GB1418976A
GB1418976A GB2705973A GB2705973A GB1418976A GB 1418976 A GB1418976 A GB 1418976A GB 2705973 A GB2705973 A GB 2705973A GB 2705973 A GB2705973 A GB 2705973A GB 1418976 A GB1418976 A GB 1418976A
Authority
GB
United Kingdom
Prior art keywords
choke
roller
air
gap
impedance
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
GB2705973A
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
Priority claimed from CH69873A external-priority patent/CH539935A/de
Application filed by F Knobel Elektro Apparatebau AG filed Critical F Knobel Elektro Apparatebau AG
Publication of GB1418976A publication Critical patent/GB1418976A/en
Expired 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
    • 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
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • 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
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266—Fastening or mounting the core on casing or support
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
GB2705973A 1973-01-18 1973-06-06 Method for fabricating a ballast choke with adjustable air gap and choke produced thereby Expired GB1418976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH69873A CH539935A (de) 1972-06-09 1973-01-18 Verfahren zur Herstellung einer Drossel mit einstellbarem Luftspalt

Publications (1)

Publication Number Publication Date
GB1418976A true GB1418976A (en) 1975-12-24

Family

ID=4193075

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2705973A Expired GB1418976A (en) 1973-01-18 1973-06-06 Method for fabricating a ballast choke with adjustable air gap and choke produced thereby

Country Status (2)

Country Link
AT (1) AT331373B (de)
GB (1) GB1418976A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305056A (en) * 1978-11-29 1981-12-08 Hitachi, Ltd. Transformer with gapped core
CN103093952A (zh) * 2011-10-27 2013-05-08 特变电工沈阳变压器集团有限公司 一种变压器铁芯夹件翻转装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305056A (en) * 1978-11-29 1981-12-08 Hitachi, Ltd. Transformer with gapped core
CN103093952A (zh) * 2011-10-27 2013-05-08 特变电工沈阳变压器集团有限公司 一种变压器铁芯夹件翻转装置

Also Published As

Publication number Publication date
ATA473173A (de) 1975-11-15
AT331373B (de) 1976-08-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee