Title:
プラズマジェット点火プラグ
Document Type and Number:
Japanese Patent JP4948515
Kind Code:
B2
Abstract:
To provide a plasma jet spark plug capable of preventing a channeling progress and having excellent heat conduction. The plasma jet spark plug is comprised of: a ceramic insulator 10 having a small diameter portion 15 which assumes a linear shape in an axis O direction, and a center electrode 20 has an outer diameter increasing in the order of a frontmost portion 23, a step portion 24, a front end portion 22 and a body portion 21.
Inventors:
Hiroyuki Kameda
Mikuni Sato
Nakano Teijo
Naofumi Yamamura
Daisuke Kasahara
Mikuni Sato
Nakano Teijo
Naofumi Yamamura
Daisuke Kasahara
Application Number:
JP2008333152A
Publication Date:
June 06, 2012
Filing Date:
December 26, 2008
Export Citation:
Assignee:
Nippon Special Ceramics Co., Ltd.
International Classes:
H01T13/52; H01T13/20; H01T13/34; H01T13/39
Domestic Patent References:
| JP2008153190A | ||||
| JP2007287666A | ||||
| JP1267984A |
Attorney, Agent or Firm:
Meisei International Patent Office