JPS5874788U - Spark plug for internal combustion engine - Google Patents

Spark plug for internal combustion engine

Info

Publication number
JPS5874788U
JPS5874788U JP17122781U JP17122781U JPS5874788U JP S5874788 U JPS5874788 U JP S5874788U JP 17122781 U JP17122781 U JP 17122781U JP 17122781 U JP17122781 U JP 17122781U JP S5874788 U JPS5874788 U JP S5874788U
Authority
JP
Japan
Prior art keywords
internal combustion
combustion engine
spark plug
firing part
face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17122781U
Other languages
Japanese (ja)
Inventor
実 安藤
Original Assignee
日本特殊陶業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本特殊陶業株式会社 filed Critical 日本特殊陶業株式会社
Priority to JP17122781U priority Critical patent/JPS5874788U/en
Publication of JPS5874788U publication Critical patent/JPS5874788U/en
Pending legal-status Critical Current

Links

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の内燃機関用点火栓の側面図、第２図Ａ
は従来の内燃機関用点火栓の火花放電部を示す側面図、
第２図Ｂは同図Ａに示した内燃機関用点火栓における中
心電極および外側電極の消耗状態を示す側面図である。 ′１・・・・・・中心電極、１１・・・・・・発火部、
ｌｌａ・・曲端面、ｌｌｂ・・・・・・外側電極と対向
する発火部外層、１１ｂ′・・・・・・延長線、４・・
・・・・外側電極、４１・曲・基部、４２・・・・・・
発火部、４３・・・・・・末端、Ｇ・・・・・・火花放
電間隙。Figure 1 is a side view of the spark plug for internal combustion engines of the present invention, Figure 2A
is a side view showing the spark discharge part of a conventional ignition plug for an internal combustion engine;
FIG. 2B is a side view showing the state of wear of the center electrode and the outer electrode in the internal combustion engine spark plug shown in FIG. 2A. '1... Center electrode, 11... Firing part,
lla...Curved end surface, llb...Outer layer of the firing part facing the outer electrode, 11b'...Extension line, 4...
...Outer electrode, 41, curve, base, 42...
Ignition part, 43... End, G... Spark discharge gap.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中心電極発火部端面の前方において火花放電間隙を形成
する、Ｌ字状に折曲された外側電極発火部の末端を、該
外側電極の基部と対向する側の中心電極発火部端面の延
長線と同一線上ないしはそれよりも外側方に設定したこ
とを特徴とす乞内燃機関用点火栓。The end of the outer electrode firing part, which is bent into an L shape and forming a spark discharge gap in front of the center electrode firing part end face, is defined as an extension of the center electrode firing part end face on the side opposite to the base of the outer electrode. An ignition plug for an internal combustion engine, characterized in that the spark plug is set on the same line or further outward.
JP17122781U 1981-11-17 1981-11-17 Spark plug for internal combustion engine Pending JPS5874788U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17122781U JPS5874788U (en) 1981-11-17 1981-11-17 Spark plug for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17122781U JPS5874788U (en) 1981-11-17 1981-11-17 Spark plug for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5874788U true JPS5874788U (en) 1983-05-20

Family

ID=29963165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17122781U Pending JPS5874788U (en) 1981-11-17 1981-11-17 Spark plug for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5874788U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1383214A2 (en) 2002-07-16 2004-01-21 Ngk Spark Plug Co., Ltd Spark plug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1383214A2 (en) 2002-07-16 2004-01-21 Ngk Spark Plug Co., Ltd Spark plug

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