JPS6421990U - - Google Patents
Info
- Publication number
- JPS6421990U JPS6421990U JP11749087U JP11749087U JPS6421990U JP S6421990 U JPS6421990 U JP S6421990U JP 11749087 U JP11749087 U JP 11749087U JP 11749087 U JP11749087 U JP 11749087U JP S6421990 U JPS6421990 U JP S6421990U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- spark plug
- center electrode
- outer electrode
- ceramic heater
- 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
- 239000000919 ceramic Substances 0.000 claims description 2
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
Description
第１図は本考案の第１実施例を示す点火プラグ
全体の縦断面図、第２図は前図のＡ―Ａ線視要部
拡大図、第３図は第２実施例を示す要部拡大縦断
面図、第４図は前図のＢ―Ｂ線視要部拡大図、第
５図は点火プラグの一般的構成を示す全体図、第
６図は従来例を示す点火プラグ全体の縦断面図で
ある。
１…点火プラグ本体、２…中心電極、３…外部
電極、４，４０…セラミツクヒータ。
Fig. 1 is a longitudinal cross-sectional view of the entire spark plug showing the first embodiment of the present invention, Fig. 2 is an enlarged view of the main part taken along line A-A in the previous figure, and Fig. 3 is the main part showing the second embodiment. FIG. 4 is an enlarged view of the main parts taken along the line B-B in the previous figure. FIG. 5 is an overall view showing the general structure of the spark plug. FIG. 6 is a vertical cross-section of the entire spark plug showing a conventional example. It is a front view. DESCRIPTION OF SYMBOLS 1... Spark plug body, 2... Center electrode, 3... External electrode, 4, 40... Ceramic heater.
Claims (1)
えた点火プラグにおいて、前記中心電極と外部電
極の何れかの一方の電極若しくは相方の電極に当
接した状態でセラミツクヒータを配設したことを
特徴とする点火プラグ。 A spark plug having a center electrode and an outer electrode at the tip of a plug body, characterized in that a ceramic heater is disposed in contact with one or the other of the center electrode and the outer electrode. and spark plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11749087U JPS6421990U (en) | 1987-07-30 | 1987-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11749087U JPS6421990U (en) | 1987-07-30 | 1987-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6421990U true JPS6421990U (en) | 1989-02-03 |
Family
ID=31360994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11749087U Pending JPS6421990U (en) | 1987-07-30 | 1987-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6421990U (en) |
-
1987
- 1987-07-30 JP JP11749087U patent/JPS6421990U/ja active Pending