Title:
IGNITER FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP3229515
Kind Code:
B2
Abstract:
PURPOSE: To provide an igniter for internal combustion engines which prevents its insulation resin layer from the generation of breakdown, without any increase of its device size.
CONSTITUTION: A first core portion 1b for winding a primary coil 2 of an ignition coil 100, a secondary coil 3 wound on the outside of the primary coil 2, a second core portion 1c forming a closed magnetic path together with the first core portion 1b which is positioned on the outside of the secondary coil 3, a storage case 4 for storing the primary and secondary coils 2, 3 and an insulation resin layer 7a disposed between the case 4 and the secondary coil 3 are provided respectively. Further, the wall thickness of a first resin portion 7a1 of the insulation resin layer 7a which is interposed between the second core portion 1c and the secondary coil 3 is made larger than the one of a second resin portion 7a2 other than the first resin portion 7a1 of the insulation resin layer 7a.
Inventors:
Shigeru Murata
Application Number:
JP10971295A
Publication Date:
November 19, 2001
Filing Date:
May 08, 1995
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H01F38/12; (IPC1-7): H01F38/12
Domestic Patent References:
| JP3149805A | ||||
| JP729750A |
Attorney, Agent or Firm:
Soga Doteru (6 people outside)