JPS60130586U

JPS60130586U - spark plug

Info

Publication number: JPS60130586U
Application number: JP1804084U
Authority: JP
Inventors: 浜井　九五
Original assignee: 日産自動車株式会社
Priority date: 1984-02-09
Filing date: 1984-02-09
Publication date: 1985-09-02

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１，２図は従来の点火プラグを示す図であり、第１図
はその正面図、第２図はその点火プラグを機関に取り付
けた状態を示す図、第３図は本考案の点火プラグの第１
実施例を示す図であり、第３図ａはその正面図、第３図
すはその側面図、第４図は本考案の点火プラグの第２実
施例を示す正面図、第５図は本考案の点火プラグの第３
実施例を示す正面図である。１１・・・・・・点火プラグ本体、１２・・・・・・中
心電極、１３・・・・・・側方電極、１５，２１，３１
．３２・・・・・パ突起。Figures 1 and 2 are diagrams showing conventional spark plugs, Figure 1 is a front view thereof, Figure 2 is a diagram showing the spark plug installed in an engine, and Figure 3 is a spark plug of the present invention. 1st of
3A is a front view thereof, FIG. 3 is a side view thereof, FIG. 4 is a front view showing a second embodiment of the spark plug of the present invention, and FIG. 5 is a front view thereof. Third spark plug invention
It is a front view showing an example. 11... Spark plug body, 12... Center electrode, 13... Side electrode, 15, 21, 31
．． 32...Pa projection.

Claims

[Scope of utility model registration request]

In a spark plug that is provided with a center electrode and a side electrode at the tip of the main body and is installed so that both electrodes protrude into the combustion chamber of an engine, the center electrode and the side electrode are arranged a predetermined distance from the spark plug main body. On the tip side from the position of the
The electrodes are arranged in parallel at intervals that allow discharge, and in the parallel portion of the two electrodes, at least one of the electrodes is provided with a protrusion formed of a noble metal and protruding in a direction that narrows the gap between the electrodes. spark plug.