JPS6299836U - - Google Patents
Info
- Publication number
- JPS6299836U JPS6299836U JP19217885U JP19217885U JPS6299836U JP S6299836 U JPS6299836 U JP S6299836U JP 19217885 U JP19217885 U JP 19217885U JP 19217885 U JP19217885 U JP 19217885U JP S6299836 U JPS6299836 U JP S6299836U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- ring
- pressure sensor
- combustion engine
- internal pressure
- 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
- 239000004020 conductor Substances 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案の実施例を示すシリンダ内圧セ
ンサの断面図、第２図は同上他の実施例を示す要
部断面図、第３図は従来のシリンダ内圧センサの
取付例を示す断面図、第４図は同上のシリンダ内
圧センサの構造を示す断面図である。
２……点火栓、３……ケース、４，５……プレ
ート、６，７……圧電セラミツク、８……リード
プレート、１３……シリンダ内圧センサ、１５…
…メツシユ部材。
Fig. 1 is a sectional view of a cylinder internal pressure sensor showing an embodiment of the present invention, Fig. 2 is a sectional view of essential parts showing another embodiment of the same, and Fig. 3 is a sectional view showing an example of mounting a conventional cylinder internal pressure sensor. , FIG. 4 is a sectional view showing the structure of the cylinder internal pressure sensor same as above. 2... Spark plug, 3... Case, 4, 5... Plate, 6, 7... Piezoelectric ceramic, 8... Reed plate, 13... Cylinder internal pressure sensor, 15...
...Mesh parts.
Claims (1)
リング状の電極板とを備えてなり、内燃機関の点
火栓の座金として形成されたシリンダ内圧センサ
において、導電性材料によつてリング状に形成さ
れかつ軸方向に弾性を有する緩衝部材を前記圧電
素子の受圧方向に介装したことを特徴とする内燃
機関のシリンダ内圧センサ。 A cylinder internal pressure sensor comprising a ring-shaped piezoelectric element and a ring-shaped electrode plate in contact with the piezoelectric element, and formed as a washer for an ignition plug of an internal combustion engine, which is formed in a ring shape from a conductive material. A cylinder internal pressure sensor for an internal combustion engine, characterized in that a buffer member having elasticity in the axial direction is interposed in the pressure receiving direction of the piezoelectric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19217885U JPS6299836U (en) | 1985-12-16 | 1985-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19217885U JPS6299836U (en) | 1985-12-16 | 1985-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6299836U true JPS6299836U (en) | 1987-06-25 |
Family
ID=31147009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19217885U Pending JPS6299836U (en) | 1985-12-16 | 1985-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6299836U (en) |
-
1985
- 1985-12-16 JP JP19217885U patent/JPS6299836U/ja active Pending
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