JPS5671915A - Mold ignition coil - Google Patents

Mold ignition coil

Info

Publication number
JPS5671915A
JPS5671915A JP14894579A JP14894579A JPS5671915A JP S5671915 A JPS5671915 A JP S5671915A JP 14894579 A JP14894579 A JP 14894579A JP 14894579 A JP14894579 A JP 14894579A JP S5671915 A JPS5671915 A JP S5671915A
Authority
JP
Japan
Prior art keywords
coil
primary coil
secondary coil
voltage side
winding
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.)
Pending
Application number
JP14894579A
Other languages
Japanese (ja)
Inventor
Hiroshi Watanabe
Ryozo Takeuchi
Takao Miyashita
Mitsukuni Tsutsui
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14894579A priority Critical patent/JPS5671915A/en
Publication of JPS5671915A publication Critical patent/JPS5671915A/en
Pending 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
    • H01F38/12—Ignition, e.g. for IC engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

PURPOSE:To attempt the improvement of the insulating characteristics at the step of the primary coil and the secondary coil by shifting one end of the primary coil inserted in the secondary sectional winding coil to a low voltage side from the end section of the secondary coil high voltage side at least by the distance of sectional winding width. CONSTITUTION:A primary coil bobbin 1 winding the primary coil 2 is inserted at the inside of a secondary sectional winding coil bobbin 3 winding the secondary coil 4. In this case, one end of the primary coil 2 is shifted to a low voltage side from the end section of the secondary coil 4 high voltage side at least by the distance of sectional winding width. Therefore, the voltage at the secondary coil opposing to the primary coil becomes low by the degree of the shift of the secondary coil and the voltage difference between the coils becomes low. The slope of the equipotential line of an electric field at the step of the primary coil and the secondary coil will be mitigated by shifting the primary coil 2 from the end section of the secondary coil high voltage side. As a result, the insulating characteristics at the step of the primary coil and the secondary coil will be improved.
JP14894579A 1979-11-19 1979-11-19 Mold ignition coil Pending JPS5671915A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14894579A JPS5671915A (en) 1979-11-19 1979-11-19 Mold ignition coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14894579A JPS5671915A (en) 1979-11-19 1979-11-19 Mold ignition coil

Publications (1)

Publication Number Publication Date
JPS5671915A true JPS5671915A (en) 1981-06-15

Family

ID=15464164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14894579A Pending JPS5671915A (en) 1979-11-19 1979-11-19 Mold ignition coil

Country Status (1)

Country Link
JP (1) JPS5671915A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6747540B1 (en) 1996-10-18 2004-06-08 Denso Corporation Ignition coil for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6747540B1 (en) 1996-10-18 2004-06-08 Denso Corporation Ignition coil for internal combustion engine

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