GB1325729A - Ignition coils - Google Patents

Ignition coils

Info

Publication number
GB1325729A
GB1325729A GB5212470A GB1325729DA GB1325729A GB 1325729 A GB1325729 A GB 1325729A GB 5212470 A GB5212470 A GB 5212470A GB 1325729D A GB1325729D A GB 1325729DA GB 1325729 A GB1325729 A GB 1325729A
Authority
GB
United Kingdom
Prior art keywords
strip
former
coil
braid
conductive
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
GB5212470A
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas Industries 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 Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of GB1325729A publication Critical patent/GB1325729A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • 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
    • H01F41/04—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 for manufacturing coils
    • H01F41/10—Connecting leads to windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

1325729 Making ignition coils JOSEPH LUCAS (INDUSTRIES) Ltd 3 Nov 1970 52124/70 Heading B3A [Also in Division H1] A method of manufacturing an ignition coil includes the steps of positiong a short length of thin gauge conductive strip 13 on the inner surface of a hollow insulating former 11 such that the end of the strip 14 projects beyond the end of the adjacent inner surface, positioning a length of copper braid 15 on the outer surface of the former, securing the braid 15, and strip 13 to the former 10 and to each other with a staple 16 which electrically interconnects the braid and strip, inserting electrically conductive core into the former so that it electrically contacts the conductive strip 13, and winding a coil on to the former and electrically connecting one end of the wire forming the coil to the copper braid such that there is an electrical connection between the wire forming the coil and the conductive core. The latter two stages, i.e. the insertion of the conductive core and the winding of the coil may be interchanged. Preferably the end 14 of the strip 13 is bent away from the former axis before insertion of the core to prevent damaging the strip.
GB5212470A 1970-11-03 1970-11-03 Ignition coils Expired GB1325729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5212470 1970-11-03

Publications (1)

Publication Number Publication Date
GB1325729A true GB1325729A (en) 1973-08-08

Family

ID=10462732

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5212470A Expired GB1325729A (en) 1970-11-03 1970-11-03 Ignition coils

Country Status (4)

Country Link
US (1) US3731246A (en)
DE (1) DE2101728A1 (en)
FR (1) FR2112876A5 (en)
GB (1) GB1325729A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1807606A (en) * 1931-06-02 Radio coil winding
US865907A (en) * 1905-10-26 1907-09-10 Gen Electric Coil for electrical purposes.
US1142027A (en) * 1912-04-03 1915-06-08 Roeblings John A Sons Co Solenoid.
US2058088A (en) * 1934-07-18 1936-10-20 Geo E Kirk High tension electrical coil
US2875420A (en) * 1956-03-27 1959-02-24 Zenith Radio Corp Method of manufacturing an electric coil
US3142030A (en) * 1958-11-10 1964-07-21 Basic Products Corp Coil construction to facilitate tapping
US3263198A (en) * 1964-03-27 1966-07-26 Square D Co Positioning transformer structure
GB1268645A (en) * 1968-10-14 1972-03-29 Lucas Industries Ltd Ignition coils

Also Published As

Publication number Publication date
DE2101728A1 (en) 1972-05-31
FR2112876A5 (en) 1972-06-23
US3731246A (en) 1973-05-01

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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