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Title:
IGNITION COIL FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2019/202674
Kind Code:
A1
Abstract:
An ignition coil (1) for an internal combustion engine comprises: a center core (2); a primary coil (4) provided on the outer side of the center core (2); a secondary coil (5) provided on the outer side of the primary coil (4); and a side core (3) disposed on the outer side of the primary coil (4) and the secondary coil (5), and being formed of laminated electromagnetic steel plates that abut one end face of the center core (2) at one abutting part, and abut the other end face of the center core (2) via a magnet at another abutting part. The side core (3) is constituted from a plurality of side core parts that are engaged so as to be able to move mutually in the length direction of the center core (2).

Inventors:
HASHIDA Chikara (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
YAMADA Shuji (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/015935
Publication Date:
October 24, 2019
Filing Date:
April 18, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H01F38/12; F02P15/00
Foreign References:
JP2012099537A2012-05-24
DE102006044436A12008-03-27
JP2005260130A2005-09-22
JPS58166712A1983-10-01
JP2017092072A2017-05-25
JPS6096806U1985-07-02
Attorney, Agent or Firm:
OIWA Masuo et al. (35-8, Minamimukonoso 3-chomeAmagasaki-sh, Hyogo 33, 〒6610033, JP)
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