JPS63117091U - - Google Patents
Info
- Publication number
- JPS63117091U JPS63117091U JP604887U JP604887U JPS63117091U JP S63117091 U JPS63117091 U JP S63117091U JP 604887 U JP604887 U JP 604887U JP 604887 U JP604887 U JP 604887U JP S63117091 U JPS63117091 U JP S63117091U
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- spark plug
- built
- plug body
- gasket
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 2
Landscapes
- Measuring Fluid Pressure (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
Description
第１図はエンジンヘツドに装着された円柱状の
圧力センサを内蔵した圧力センサ内蔵式スパーク
プラグの一部縦断面図で、第２図は同じく環状の
圧力センサを内蔵した圧力センサ内蔵式スパーク
プラグの一部縦断面図で、第３図は第１図におけ
るｄとセンサの出力との関係を示すグラフである
。
１：スパークプラグ本体、２：中心電極、３：
絶縁体、４：主体金具、５Ａ：円柱状の圧力セン
サ、５Ｂ：環状の圧力センサ、６：ガスケツト、
７：エンジンヘツド。
Figure 1 is a partial vertical sectional view of a spark plug with a built-in pressure sensor that has a built-in cylindrical pressure sensor attached to the engine head, and Figure 2 is a spark plug with a built-in pressure sensor that also has a built-in annular pressure sensor. FIG. 3 is a graph showing the relationship between d in FIG. 1 and the output of the sensor. 1: Spark plug body, 2: Center electrode, 3:
Insulator, 4: Metal shell, 5A: Cylindrical pressure sensor, 5B: Annular pressure sensor, 6: Gasket,
7: Engine head.
Claims (1)
または環状の圧力センサを内蔵するスパークプラ
グ本体と、エンジンヘツドへの取り付けのための
ガスケツトからなる圧力センサ内蔵式スパークプ
ラグにおいて、円柱状圧力センサの外径又は環状
圧力センサの環の幅をＤ、またはスパークプラグ
本体の中心軸と円柱状圧力センサの中心軸又は環
状圧力センサの環の幅の中心線との距離をＡとし
たとき、ガスケツトのスパークプラグ本体の主体
金具座面との接触部の内径ｄが２Ａ―Ｄ≦ｄ≦２
Ａ＋Ｄを満足するものであることを特徴とする圧
力センサ内蔵式スパークプラグ。 In a spark plug with a built-in pressure sensor, the spark plug body consists of a center electrode, an insulator, and a metal shell, and has a built-in cylindrical or annular pressure sensor, and a gasket for attachment to the engine head. When the diameter or the width of the ring of the annular pressure sensor is D, or the distance between the center axis of the spark plug body and the center axis of the cylindrical pressure sensor or the center line of the width of the ring of the annular pressure sensor is A, the spark of the gasket The inner diameter d of the contact part of the plug body with the metal shell seat is 2A-D≦d≦2
A spark plug with a built-in pressure sensor that satisfies A+D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP604887U JPS63117091U (en) | 1987-01-21 | 1987-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP604887U JPS63117091U (en) | 1987-01-21 | 1987-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63117091U true JPS63117091U (en) | 1988-07-28 |
Family
ID=30788198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP604887U Pending JPS63117091U (en) | 1987-01-21 | 1987-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63117091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031835A (en) * | 2010-08-03 | 2012-02-16 | Ngk Spark Plug Co Ltd | Spark plug |
-
1987
- 1987-01-21 JP JP604887U patent/JPS63117091U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031835A (en) * | 2010-08-03 | 2012-02-16 | Ngk Spark Plug Co Ltd | Spark plug |