JPS5920594U - Internal combustion engine spark plug - Google Patents
Internal combustion engine spark plugInfo
- Publication number
- JPS5920594U JPS5920594U JP11556582U JP11556582U JPS5920594U JP S5920594 U JPS5920594 U JP S5920594U JP 11556582 U JP11556582 U JP 11556582U JP 11556582 U JP11556582 U JP 11556582U JP S5920594 U JPS5920594 U JP S5920594U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- spark plug
- engine spark
- coating layer
- 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
Links
Landscapes
- Spark Plugs (AREA)
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
第１図は、内燃機関の点火栓の全体を示す正面図、第２
図は同じ〈従来の要部構造を示す断面図、第３図は本考
案の点火栓の要部構造を示す断面図である。
′
４・・・中心電極、５・・・接地電極、８，９・・・芯
部分、１０．１１−・・放電面、１２ａ、 １２ｂ、
１３ａ。
１’３ｂ・・・被覆層。Figure 1 is a front view showing the entire spark plug of an internal combustion engine;
The figures are the same (a cross-sectional view showing the structure of the main part of the conventional spark plug, and FIG. 3 is a cross-sectional view showing the structure of the main part of the ignition plug of the present invention.
' 4... Center electrode, 5... Ground electrode, 8, 9... Core portion, 10.11-... Discharge surface, 12a, 12b,
13a. 1'3b...Covering layer.
Claims (1)
を有する接地電極をタングステン合金にて形成するとと
もに、これらの電極の前記各放電面を除く表面に耐酸化
性材料の被覆層を設り、この被覆層の前記各電極側から
最外部に向ってそのタングステンの含有量を段階的に少
なくし、被覆層の最外部は耐酸化性材料のみとしたこと
を特徴とする内燃機関の点火栓。A ground electrode having a center electrode and a discharge surface opposite to the discharge surface of the center electrode is formed of a tungsten alloy, and a coating layer of an oxidation-resistant material is provided on the surfaces of these electrodes other than the discharge surfaces, An ignition plug for an internal combustion engine, characterized in that the tungsten content of the coating layer is gradually reduced from the electrode side toward the outermost part, and the outermost part of the coating layer is made of only an oxidation-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11556582U JPS5920594U (en) | 1982-07-29 | 1982-07-29 | Internal combustion engine spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11556582U JPS5920594U (en) | 1982-07-29 | 1982-07-29 | Internal combustion engine spark plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920594U true JPS5920594U (en) | 1984-02-08 |
Family
ID=30266721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11556582U Pending JPS5920594U (en) | 1982-07-29 | 1982-07-29 | Internal combustion engine spark plug |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920594U (en) |
-
1982
- 1982-07-29 JP JP11556582U patent/JPS5920594U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5920594U (en) | Internal combustion engine spark plug | |
| JPS6139880U (en) | Spark plug for internal combustion engine | |
| JPS5917584U (en) | Spark plug with built-in pressure sensor | |
| JPS60140391U (en) | spark plug | |
| JPS5881886U (en) | Covering structure of spark plug ground electrode | |
| JPS5874788U (en) | Spark plug for internal combustion engine | |
| JPS5831687U (en) | spark plug | |
| JPS6130989U (en) | spark plug | |
| JPS5917583U (en) | Spark plug with built-in pressure sensor | |
| JPS611290U (en) | Engine fuel saving spark plug | |
| JPS6037193U (en) | spark plug | |
| JPS6044383U (en) | spark plug | |
| JPS6098289U (en) | spark plug | |
| JPS5912489U (en) | spark plug | |
| JPS595897U (en) | Internal combustion engine ignition system | |
| JPS599077U (en) | Internal combustion engine spark plug | |
| JPS58101483U (en) | engine spark plug | |
| JPS60891U (en) | spark plug | |
| JPS5998592U (en) | Spark plug for internal combustion engine | |
| JPS60133592U (en) | Spark plug for internal combustion engine | |
| JPS6044382U (en) | Internal combustion engine spark plug | |
| JPS60121288U (en) | spark plug | |
| JPS60141420U (en) | engine cylinder head | |
| JPS597220U (en) | Hot plug mounting structure | |
| JPS58107595U (en) | internal combustion engine spark plug |