Title:
SPARK PLUG AND SOCKET
Document Type and Number:
WIPO Patent Application WO/2015/163366
Kind Code:
A1
Abstract:
Provided is a spark plug that enables electromagnetic wave power loss to be reduced and in which there is no erosion of a central electrode tip portion even if the spark plug is configured so as to supply power for electromagnetic waves and a high voltage for discharge from the terminal side of the spark plug. Thus, an electrode part (2) is composed of a central electrode (2A) provided with an electrode tip for producing a discharge spark between the central electrode and a ground electrode (5), and a cylindrical insulation tube (2B) that covers the central electrode (2A). A conductive member (21) is provided to the outer peripheral surface of the insulation tube (2B), and the central electrode (2A) is electrically connected to a terminal (20) that receives a supply of power from outside.
Inventors:
IKEDA YUJI (JP)
KANBARA SEIJI (JP)
KANBARA SEIJI (JP)
Application Number:
PCT/JP2015/062234
Publication Date:
October 29, 2015
Filing Date:
April 22, 2015
Export Citation:
Assignee:
IMAGINEERING INC (JP)
International Classes:
H01T13/20; F02P3/01; F02P13/00; F02P23/04; H01T13/04; H01T13/22; H01T13/34
Domestic Patent References:
| WO2011016569A1 | 2011-02-10 |
Foreign References:
| JP2009516342A | 2009-04-16 |
Other References:
See also references of EP 3136522A4
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