Title:
IGNITION COIL FOR INTERNAL-COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2016/166850
Kind Code:
A1
Abstract:
Provided is an ignition coil for an internal-combustion engine, with which an increase in size is inhibited and a high output is possible even in a high-rotation range. This ignition coil for an internal-combustion engine is provided with: a center core that is disposed inside a primary coil and a secondary coil; a side core that is disposed outside the primary coil and the secondary coil, and that, in combination with the center core, forms a closed magnetic path; one or more gaps that are provided to the side core or between the center core and the side core; and magnets that are disposed on the gaps. The sum of the respective cross-sectional areas of the magnets is set to be at least 3 times but less than 7 times the cross-sectional area of the center core.
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Inventors:
IDOGAWA TAKASHI (JP)
Application Number:
PCT/JP2015/061611
Publication Date:
October 20, 2016
Filing Date:
April 15, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01F38/12
Foreign References:
| JP2008294192A | 2008-12-04 | |||
| JPH07263256A | 1995-10-13 | |||
| JP2005183516A | 2005-07-07 | |||
| JP2009124015A | 2009-06-04 | |||
| JP2007103482A | 2007-04-19 | |||
| JPH0620853A | 1994-01-28 | |||
| JPH07320960A | 1995-12-08 | |||
| JP2001210534A | 2001-08-03 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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