JPS6148593U - - Google Patents
Info
- Publication number
- JPS6148593U JPS6148593U JP13249284U JP13249284U JPS6148593U JP S6148593 U JPS6148593 U JP S6148593U JP 13249284 U JP13249284 U JP 13249284U JP 13249284 U JP13249284 U JP 13249284U JP S6148593 U JPS6148593 U JP S6148593U
- Authority
- JP
- Japan
- Prior art keywords
- center electrode
- tip
- gap
- tip side
- heat transfer
- 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)
Description
第１〜６図は本考案に係る点火栓の第１実施例
を示す図であり、第１図はその縦断面図、第２図
は第１図の要部拡大図、第３図はそのバイメタル
を示す斜視図、第４図ａ，ｂはそれぞれ従来の焼
型および冷型の放熱経路を説明するための図、第
５図ａ，ｂはそれぞれ本考案の低温時および高温
時における放熱経路を説明するための図、第６図
は車速と点火栓の温度との関係を示すグラフ、第
７図は本考案の第２実施例を示すその要部拡大図
、第８，９図は本考案の第３実施例を示す図であ
り、第８図はその縦断面図、第９図は第８図の要
部拡大図、第１０図は従来の点火栓を示す縦断面
図である。
１……点火栓、４……絶縁体、６……中心電極
、９，１４……空隙、１０Ａ，１０Ｂ……バイメ
タル（伝熱量可変手段）、１５……金属ナトリウ
ム（伝熱量可変手段）。
1 to 6 are views showing the first embodiment of the ignition plug according to the present invention, FIG. 1 is a longitudinal sectional view thereof, FIG. 2 is an enlarged view of the main part of FIG. 1, and FIG. A perspective view showing the bimetal, Figures 4a and b are diagrams for explaining the heat radiation paths of the conventional baking mold and cold mold, respectively, and Figures 5a and b are the heat radiation paths of the present invention at low and high temperatures, respectively. Fig. 6 is a graph showing the relationship between vehicle speed and spark plug temperature, Fig. 7 is an enlarged view of the main part showing the second embodiment of the present invention, and Figs. 8 and 9 are graphs showing the relationship between vehicle speed and spark plug temperature. 8 is a longitudinal sectional view thereof, FIG. 9 is an enlarged view of the main part of FIG. 8, and FIG. 10 is a longitudinal sectional view showing a conventional spark plug. 1...Spark plug, 4...Insulator, 6...Center electrode, 9, 14...Gap, 10A, 10B...Bimetal (heat transfer amount variable means), 15...Metal sodium (heat transfer amount variable means).
Claims (1)
に所定の空隙を形成し、この空隙内に中心電極の
先端側から基端側へ伝達される伝熱量を、先端部
の温度に応じて可変とする伝熱量可変手段を設け
たことを特徴とする点火栓。 A predetermined gap is formed at a predetermined position on the tip side of the center electrode that penetrates the insulator, and the amount of heat transferred from the tip side to the proximal side of the center electrode within this gap can be varied depending on the temperature of the tip. An ignition plug characterized by being provided with a heat transfer amount variable means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13249284U JPS6148593U (en) | 1984-08-30 | 1984-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13249284U JPS6148593U (en) | 1984-08-30 | 1984-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6148593U true JPS6148593U (en) | 1986-04-01 |
Family
ID=30691053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13249284U Pending JPS6148593U (en) | 1984-08-30 | 1984-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6148593U (en) |
-
1984
- 1984-08-30 JP JP13249284U patent/JPS6148593U/ja active Pending