CA1192636A - Ignition coil core and method of making it - Google Patents

Ignition coil core and method of making it

Info

Publication number
CA1192636A
CA1192636A CA000432182A CA432182A CA1192636A CA 1192636 A CA1192636 A CA 1192636A CA 000432182 A CA000432182 A CA 000432182A CA 432182 A CA432182 A CA 432182A CA 1192636 A CA1192636 A CA 1192636A
Authority
CA
Canada
Prior art keywords
center leg
laminated member
laminated
outer legs
oblique surfaces
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
CA000432182A
Other languages
English (en)
French (fr)
Inventor
Ronnalee House
Roger W. Kellams
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.)
Motors Liquidation Co
Original Assignee
General Motors Corp
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 General Motors Corp filed Critical General Motors Corp
Application granted granted Critical
Publication of CA1192636A publication Critical patent/CA1192636A/en
Expired legal-status Critical Current

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
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49004—Electrical device making including measuring or testing of device or component part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49078—Laminated

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CA000432182A 1982-09-27 1983-07-11 Ignition coil core and method of making it Expired CA1192636A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US424,465 1982-09-27
US06/424,465 US4480377A (en) 1982-09-27 1982-09-27 Method of making an ignition coil core

Publications (1)

Publication Number Publication Date
CA1192636A true CA1192636A (en) 1985-08-27

Family

ID=23682718

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000432182A Expired CA1192636A (en) 1982-09-27 1983-07-11 Ignition coil core and method of making it

Country Status (5)

Country Link
US (1) US4480377A (en:Method)
EP (1) EP0104792B1 (en:Method)
JP (1) JPS5978516A (en:Method)
CA (1) CA1192636A (en:Method)
DE (1) DE3370402D1 (en:Method)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0715853B2 (ja) * 1986-11-21 1995-02-22 日本電装株式会社 エネルギ−蓄積型点火コイル
US4706639A (en) * 1986-12-04 1987-11-17 General Motors Corporation Integrated direct ignition module
US5073766A (en) * 1990-11-16 1991-12-17 Square D Company Transformer core and method for stacking the core
US5218936A (en) * 1992-11-13 1993-06-15 Ford Motor Company Ignition system including spark distribution cassette and ignition coil
US5469124A (en) * 1994-06-10 1995-11-21 Westinghouse Electric Corp. Heat dissipating transformer coil
US6650217B1 (en) * 1997-03-07 2003-11-18 Koninklijke Philips Electronics N.V. Low profile magnetic component with planar winding structure having reduced conductor loss
DE10132718A1 (de) * 2001-07-05 2003-02-13 Abb T & D Tech Ltd Verfahren zum Bewickeln eines Dreiphasen-Kabeltransformators mit Koaxialkabel und Wickelvorrichtung hierzu
US10431367B2 (en) * 2005-09-22 2019-10-01 Radial Electronics, Inc. Method for gapping an embedded magnetic device
CN2924745Y (zh) * 2006-01-26 2007-07-18 杨建文 电子镇流器
EP1887589A1 (en) * 2006-08-09 2008-02-13 Magneti Marelli Holding S.p.A. Ignition coil
EP1887586A1 (en) * 2006-08-09 2008-02-13 Magneti Marelli Holding S.p.A. Ignition coil and assembly method thereof
US7834737B2 (en) * 2007-09-10 2010-11-16 Delphi Technologies, Inc. Ignition apparatus having bonded steel wire central core
CN107533903B (zh) * 2015-05-13 2019-11-22 三菱电机株式会社 点火线圈
EP4290537A1 (de) * 2022-06-10 2023-12-13 FRONIUS INTERNATIONAL GmbH Drossel und verfahren zur herstellung einer solchen drossel

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712084A (en) * 1955-06-28 Motor stator assembly
US1748993A (en) * 1926-10-19 1930-03-04 Western Electric Co Electrical coil and method of manufacturing it
US1841685A (en) * 1930-08-27 1932-01-19 Joseph G Sola Transformer
US2220126A (en) * 1937-01-13 1940-11-05 Hartford Nat Bank & Trust Co Inductance coil
US2439277A (en) * 1944-01-15 1948-04-06 Bendix Aviat Corp High-frequency coil
US3209294A (en) * 1962-10-23 1965-09-28 Westinghouse Electric Corp Magnetic core structures
DE1613628A1 (de) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Zweiteiliger Eisenkern,insbesondere fuer Transformatoren
US3522569A (en) * 1967-07-20 1970-08-04 Gen Electric Magnetic core and coil assembly having a gap which is fixed by a reinforced adhesive layer spanning the gap
DE2950727C2 (de) * 1979-12-17 1983-11-03 May & Christe Gmbh, Transformatorenwerke, 6370 Oberursel Drosselspule für das Vorschaltgerät von Leuchtstofflampen
DE3069353D1 (en) * 1980-06-30 1984-11-08 Clarel Sa Laminated magnetic circuit with air gap, and method of adjusting the air gap
DE3030641A1 (de) * 1980-08-13 1982-04-01 Siemens AG, 1000 Berlin und 8000 München Unter einschluss von kleinen eisenteilchen geformter magnetkern und verfahren zur herstellung des magnetkerns

Also Published As

Publication number Publication date
JPH0144003B2 (en:Method) 1989-09-25
DE3370402D1 (en) 1987-04-23
US4480377A (en) 1984-11-06
JPS5978516A (ja) 1984-05-07
EP0104792A1 (en) 1984-04-04
EP0104792B1 (en) 1987-03-18

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry