GB826749A - Improvements in and relating to electrical components - Google Patents

Improvements in and relating to electrical components

Info

Publication number
GB826749A
GB826749A GB1073256A GB1073256A GB826749A GB 826749 A GB826749 A GB 826749A GB 1073256 A GB1073256 A GB 1073256A GB 1073256 A GB1073256 A GB 1073256A GB 826749 A GB826749 A GB 826749A
Authority
GB
United Kingdom
Prior art keywords
coil
plug
resin
inductor
april
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
GB1073256A
Inventor
Derek James Carter
Cyril Alfred Cook
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.)
Telephone Manufacturing Co Ltd
Original Assignee
Telephone Manufacturing Co Ltd
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 Telephone Manufacturing Co Ltd filed Critical Telephone Manufacturing Co Ltd
Priority to GB1073256A priority Critical patent/GB826749A/en
Publication of GB826749A publication Critical patent/GB826749A/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
    • H01F41/005—Impregnating or encapsulating
    • 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
    • H01F27/02—Casings
    • H01F27/022—Encapsulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

826,749. Moulding " potted" electrical apparatus. TELEPHONE MANUFACTURING CO. Ltd. April 9, 1957 [April 9, 1956], No. 10732/56. Class 87(2). [Also in Group XXXV] A toroidally wound inductor carrying an auxiliary coil is encapsulated in an insulating material. Coil 11 is toroidally wound on a core 10 of magnetic dust material and a second coil 17 comprising a few turns of thicker wire is wound on coil 11. The coils 11 and 17 having external connections 12 and 18 respectively, are placed on a plug 14 of epoxy resin as shown. The plug and inductor are then placed in a mould and a synthetic resin 15 which may be similar to the material of plug 14, is cast around the assembly, with connections 12 and 18 projecting. The setting of the resin 15 alters the inductance of coil 11 and the coil 17 may be. connected in series-aiding or series-opposing relation to coil 11 as required. Part of the resin may be machined away as at 15a in order to engage the turns of coil 17 with contact 20 which is rotatable on shaft 19 and thus provides a variable inductor.
GB1073256A 1956-04-09 1956-04-09 Improvements in and relating to electrical components Expired GB826749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1073256A GB826749A (en) 1956-04-09 1956-04-09 Improvements in and relating to electrical components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1073256A GB826749A (en) 1956-04-09 1956-04-09 Improvements in and relating to electrical components

Publications (1)

Publication Number Publication Date
GB826749A true GB826749A (en) 1960-01-20

Family

ID=9973269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1073256A Expired GB826749A (en) 1956-04-09 1956-04-09 Improvements in and relating to electrical components

Country Status (1)

Country Link
GB (1) GB826749A (en)

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