Title:
SPARK PLUG, AND COMPRESSION-IGNITION INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2016/027877
Kind Code:
A1
Abstract:
[Problem] To prevent a reduction in the ignition properties of a spark plug due to carbon deposits. [Solution] This spark plug includes: a central electrode that transmits microwaves; a discharge electrode that is attached to the tip end portion of the central electrode; a ground electrode that is provided in an area around the central electrode and the discharge electrode at a distance therefrom; and an insulating body that insulates the central electrode and the ground electrode. The tip end of the insulating body is disposed more rearward than the rear end of the discharge electrode.
Inventors:
IKEDA YUJI (JP)
MAKITA MINORU (JP)
MAKITA MINORU (JP)
Application Number:
PCT/JP2015/073471
Publication Date:
February 25, 2016
Filing Date:
August 21, 2015
Export Citation:
Assignee:
IMAGINEERING INC (JP)
International Classes:
H01T13/20; F02P13/00; F02P23/04; H01T13/44
Foreign References:
| JP2009281188A | 2009-12-03 | |||
| JP2012219766A | 2012-11-12 |
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