JPS5961493U - spark plug - Google Patents
spark plugInfo
- Publication number
- JPS5961493U JPS5961493U JP15661482U JP15661482U JPS5961493U JP S5961493 U JPS5961493 U JP S5961493U JP 15661482 U JP15661482 U JP 15661482U JP 15661482 U JP15661482 U JP 15661482U JP S5961493 U JPS5961493 U JP S5961493U
- Authority
- JP
- Japan
- Prior art keywords
- spark plug
- insulator
- plug body
- ground electrode
- combustion chamber
- 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
- Ignition Installations For Internal Combustion Engines (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例である点火プラグがエンジン
に螺着された状態を示す図である。第２図は第１図の点
火プラグの要部を示す断面図である。
１０：点火プラグ、１２：中心電極、１４：接地電極、
２２：燃焼室、２６：プラグ本体、′２８＝絶縁体、６
０．６８：銅芯（芯材）。FIG. 1 is a diagram showing a state in which a spark plug according to an embodiment of the present invention is screwed onto an engine. FIG. 2 is a sectional view showing essential parts of the spark plug shown in FIG. 1. 10: Spark plug, 12: Center electrode, 14: Ground electrode,
22: Combustion chamber, 26: Plug body, '28 = Insulator, 6
0.68: Copper core (core material).
Claims (3)
って比較的長く突き出す絶縁体を保持するプラグ本体と
、該絶縁体によって該プラグ本体と絶縁した状態で保持
され、該絶縁体の先端部において前記燃焼室に露出する
棒状の中心電極と、基端部が前記プラグ本体と電気的に
接続された状態で設けられ、先端部が前記中心電極の先
端部に所定の間隙を隔てて対向させられた棒状の接地電
極とを備え、該中心電極と接地電極との間で放電が行な
われる点火プラグにおいて、前記棒状の中心電極と接地
電極との少なくとも一方に、前記プラグ本体近傍から先
端部に至る熱良導体金属製の芯材を設けたことを特徴と
する点火プラグ。(1) A plug body that is screwed onto the engine and holds an insulator that protrudes relatively long into the combustion chamber of the engine, and a tip of the insulator that is held insulated from the plug body by the insulator. A rod-shaped center electrode exposed to the combustion chamber at the portion, a base end portion electrically connected to the plug body, and a tip portion facing the tip portion of the center electrode with a predetermined gap therebetween. In the spark plug, a spark plug is provided with a rod-shaped ground electrode, and a discharge occurs between the center electrode and the ground electrode. A spark plug characterized by having a core material made of metal that is a good thermal conductor.
まで前記絶縁体によって覆われた状態で保持されたもの
である実用新案登録請求の範囲第１項に記載の点火プラ
グ。(2) The spark plug according to claim 1, wherein the ground electrode is covered with the insulator up to the vicinity of the tip of the ground electrode.
本体の前記燃焼室側において気密にシールされたもので
ある実用新案登録請求の範囲第１項または第２項に記載
の点火プラグ。(3) The spark plug according to claim 1 or 2, wherein the plug body and the insulator are airtightly sealed on the combustion chamber side of the plug body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15661482U JPS5961493U (en) | 1982-10-15 | 1982-10-15 | spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15661482U JPS5961493U (en) | 1982-10-15 | 1982-10-15 | spark plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5961493U true JPS5961493U (en) | 1984-04-21 |
Family
ID=30345524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15661482U Pending JPS5961493U (en) | 1982-10-15 | 1982-10-15 | spark plug |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5961493U (en) |
-
1982
- 1982-10-15 JP JP15661482U patent/JPS5961493U/en active Pending
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