Title:
内燃機関用のスパークプラグ
Document Type and Number:
Japanese Patent JP5804966
Kind Code:
B2
Abstract:
The spark plug for an internal combustion engine has a cylindrical housing, a center electrode held inside the housing, a ground electrode connected to the housing and forming a spark discharge gap between itself and the center electrode, and, an end projection projected from the end portion of the housing toward the head end side of the spark plug. The center electrode and ground electrode are arranged so that most of the spark discharge gap is disposed over the open areas and the electrode area in which the end projection is arranged.
Inventors:
Takanobu Aoji
Masamichi Shibata
Masamichi Shibata
Application Number:
JP2012033171A
Publication Date:
November 04, 2015
Filing Date:
February 17, 2012
Export Citation:
Assignee:
株式会社日本自動車部品総合研究所
株式会社デンソー
株式会社デンソー
International Classes:
H01T13/20; H01T13/32
Domestic Patent References:
| JP201338063A | ||||
| JP5315049A |
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office