JPS6214344U - - Google Patents
Info
- Publication number
- JPS6214344U JPS6214344U JP10548185U JP10548185U JPS6214344U JP S6214344 U JPS6214344 U JP S6214344U JP 10548185 U JP10548185 U JP 10548185U JP 10548185 U JP10548185 U JP 10548185U JP S6214344 U JPS6214344 U JP S6214344U
- Authority
- JP
- Japan
- Prior art keywords
- internal pressure
- cylinder internal
- gasket
- spark plug
- pressure sensor
- 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 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図はシリンダ内圧力とシリンダ内圧センサに加わ
る荷重との関係を示す力学モデル図、第３図はシ
リンダ内圧力とシリンダ内圧センサの出力電圧と
の関係を示すグラフ、第４図は従来例を示す要部
断面図、第５図は同上従来例の全体構成図である
。
１……シリンダ内圧センサ、６，７……圧電素
子、１０……点火栓、１１……シリンダヘツド、
１５……ネジ結合部、２０……ガスケツト、２０
ａ……軟質薄肉層、２０ｂ……リング部。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a dynamic model diagram showing the relationship between the cylinder internal pressure and the load applied to the cylinder internal pressure sensor, Figure 3 is a graph showing the relationship between the cylinder internal pressure and the output voltage of the cylinder internal pressure sensor, and Figure 4 is a conventional example. A sectional view of the main parts, and FIG. 5 is an overall configuration diagram of the conventional example. 1... Cylinder internal pressure sensor, 6, 7... Piezoelectric element, 10... Spark plug, 11... Cylinder head,
15...Screw joint, 20...Gasket, 20
a... Soft thin layer, 20b... Ring portion.
Claims (1)
内燃機関のシリンダ内圧を検出するシリンダ内圧
センサと、前記点火栓と、の間に介装されるシリ
ンダ内圧センサ用ガスケツトを備えたシリンダ内
圧検出装置において、前記点火栓と点火栓が装着
される機関本体部との結合部で構成される弾性係
数より大きな弾性係数の材質により前記ガスケツ
トを平板リング状に形成し、かつ、少なくとも前
記機関本体部と点火栓とに接触する前記ガスケツ
トの両端面に軟質薄肉層を設けたことを特徴とす
る内燃機関のシリンダ内圧検出装置。 A cylinder internal pressure detection device comprising a cylinder internal pressure sensor formed as a washer for an ignition plug and detecting the cylinder internal pressure of an internal combustion engine using a piezoelectric element, and a cylinder internal pressure sensor gasket interposed between the ignition plug, The gasket is formed into a flat ring shape made of a material having a higher elastic modulus than the elastic modulus of the connecting portion between the spark plug and the engine body to which the spark plug is attached, and at least the engine body and the spark plug are connected to each other. A cylinder internal pressure detection device for an internal combustion engine, characterized in that a soft thin layer is provided on both end surfaces of the gasket that come into contact with the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10548185U JPS6214344U (en) | 1985-07-12 | 1985-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10548185U JPS6214344U (en) | 1985-07-12 | 1985-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6214344U true JPS6214344U (en) | 1987-01-28 |
Family
ID=30979953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10548185U Pending JPS6214344U (en) | 1985-07-12 | 1985-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6214344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02248619A (en) * | 1989-03-22 | 1990-10-04 | Mazda Motor Corp | Intake device of v-type engine with supercharger |
-
1985
- 1985-07-12 JP JP10548185U patent/JPS6214344U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02248619A (en) * | 1989-03-22 | 1990-10-04 | Mazda Motor Corp | Intake device of v-type engine with supercharger |
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