JPH0466085U - - Google Patents
Info
- Publication number
- JPH0466085U JPH0466085U JP10882890U JP10882890U JPH0466085U JP H0466085 U JPH0466085 U JP H0466085U JP 10882890 U JP10882890 U JP 10882890U JP 10882890 U JP10882890 U JP 10882890U JP H0466085 U JPH0466085 U JP H0466085U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- internal combustion
- combustion engine
- spark plug
- insulator
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 4
Landscapes
- Spark Plugs (AREA)
Description
第１図ないし第４図は本考案の第１実施例を示
す。第１図はセミ沿面放電形スパークプラグの飛
火部付近を示す断面図、第２図はセミ沿面放電形
スパークプラグを取り付けたレース用内燃機関の
主要部を示す断面図、第３図はセミ沿面放電形ス
パークプラグの飛火部付近を示す平面図、第４図
はテーパ部の傾斜角度と着火性能との関係を表す
グラフである。第５図および第６図は本考案の第
２実施例を示す。第５図はセミ沿面放電形スパー
クプラグを取り付けたレース用内燃機関の主要部
の部分拡大図、第６図はセミ沿面放電形スパーク
プラグの飛火部付近を示す平面図である。第７図
および第８図は本考案の第３実施例を示す。第７
図はセミ沿面放電形スパークプラグを取り付けた
レース用内燃機関の主要部の部分拡大図、第８図
はセミ沿面放電形スパークプラグの飛火部付近を
示す平面図である。
図中、１……セミ沿面放電形スパークプラグ（
内燃機関用スパークプラグ）、２……絶縁体、３
……中心電極、４……取付金具、５，７１，８１
……接地電極、６，７，８……飛火部、１０……
レース用内燃機関、１１……燃焼室、５２，７２
，８２……テーパ部。
1 to 4 show a first embodiment of the present invention. Figure 1 is a sectional view showing the vicinity of the flying spark part of a semi-creeping discharge type spark plug, Figure 2 is a sectional view showing the main parts of a racing internal combustion engine equipped with a semi-creeping discharge type spark plug, and Figure 3 is a semi-creeping view. FIG. 4 is a plan view showing the vicinity of the flying spark part of the discharge type spark plug, and is a graph showing the relationship between the inclination angle of the tapered part and the ignition performance. 5 and 6 show a second embodiment of the invention. FIG. 5 is a partially enlarged view of the main parts of a racing internal combustion engine equipped with a semi-creeping discharge type spark plug, and FIG. 6 is a plan view showing the vicinity of the flying spark part of the semi-creeping discharge type spark plug. 7 and 8 show a third embodiment of the invention. 7th
The figure is a partially enlarged view of the main parts of a racing internal combustion engine equipped with a semi-creeping discharge type spark plug, and FIG. 8 is a plan view showing the vicinity of the flying spark part of the semi-creeping discharge type spark plug. In the figure, 1...Semi-creeping discharge type spark plug (
Spark plug for internal combustion engine), 2...Insulator, 3
... Center electrode, 4 ... Mounting bracket, 5, 71, 81
...Grounding electrode, 6,7,8...Flashing part, 10...
Internal combustion engine for racing, 11... Combustion chamber, 52, 72
, 82...Tapered portion.
Claims (1)
孔内に嵌め込まれて前記絶縁体に保持された中心
電極と、 先端部に、前記中心電極の先端との間に沿面放
電間隙を形成する筒状の接地電極を有し、 前記絶縁体の外周に固定された取付金具と を備えた内燃機関用スパークプラグにおいて、 前記取付金具は、前記接地電極が内燃機関の燃
焼室内に突き出した状態で内燃機関に取り突けら
れ、 前記接地電極は、先端に平坦面を有するととも
に、外周に前記平坦面の形成方向に対して軸方向
がわに１５°〜６０°だけ傾斜したテーパ部を有
することを特徴とする内燃機関用スパークプラグ
。[Claims for Utility Model Registration] A cylindrical insulator having a shaft hole in the axial direction, and a center electrode that is fitted into the shaft hole and held by the insulator with its tip protruding from the shaft hole. A spark plug for an internal combustion engine, comprising: a cylindrical ground electrode that forms a creeping discharge gap between the tip and the tip of the center electrode; and a mounting bracket fixed to the outer periphery of the insulator. In this, the mounting bracket is attached to an internal combustion engine with the ground electrode protruding into a combustion chamber of the engine, and the ground electrode has a flat surface at its tip and an outer periphery extending in the direction in which the flat surface is formed. A spark plug for an internal combustion engine, characterized in that it has a tapered portion that is inclined by 15° to 60° in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10882890U JPH0466085U (en) | 1990-10-17 | 1990-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10882890U JPH0466085U (en) | 1990-10-17 | 1990-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0466085U true JPH0466085U (en) | 1992-06-10 |
Family
ID=31855966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10882890U Pending JPH0466085U (en) | 1990-10-17 | 1990-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0466085U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5798993A (en) * | 1980-05-30 | 1982-06-19 | Esupaada Ansutaaruto | Ignition plug for internal combustion engine and method of producing same |
| JPS6243090A (en) * | 1985-08-19 | 1987-02-25 | 日本特殊陶業株式会社 | Ignition plug for internal combustion engine |
-
1990
- 1990-10-17 JP JP10882890U patent/JPH0466085U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5798993A (en) * | 1980-05-30 | 1982-06-19 | Esupaada Ansutaaruto | Ignition plug for internal combustion engine and method of producing same |
| JPS6243090A (en) * | 1985-08-19 | 1987-02-25 | 日本特殊陶業株式会社 | Ignition plug for internal combustion engine |
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