JPS62111531U - - Google Patents
Info
- Publication number
- JPS62111531U JPS62111531U JP19944585U JP19944585U JPS62111531U JP S62111531 U JPS62111531 U JP S62111531U JP 19944585 U JP19944585 U JP 19944585U JP 19944585 U JP19944585 U JP 19944585U JP S62111531 U JPS62111531 U JP S62111531U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- pressure sensor
- internal pressure
- piezoelectric element
- shaped
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案にかかる金属ケースの平面図、
第２図はシリンダ内圧センサの従来例を示す断面
構成図、第３図は従来のシリンダ内圧センサの断
面構成図、第４図は従来の金属ケースの平面図で
ある。
１……シリンダヘツド、２……点火栓、３……
シリンダ内圧センサ、５……中心電極板、６……
圧電素子、７……上面電極板、８……下面電極板
、１９……金属ケース。
Figure 1 is a plan view of the metal case according to the present invention;
FIG. 2 is a cross-sectional configuration diagram showing a conventional example of a cylinder internal pressure sensor, FIG. 3 is a cross-sectional configuration diagram of a conventional cylinder internal pressure sensor, and FIG. 4 is a plan view of a conventional metal case. 1... Cylinder head, 2... Spark plug, 3...
Cylinder internal pressure sensor, 5... Center electrode plate, 6...
Piezoelectric element, 7...Top electrode plate, 8...Bottom electrode plate, 19...Metal case.
Claims (1)
せたリング状の電極板とをリング状の金属ケース
内に収納し、点火栓の座金として形成されるシリ
ンダ内圧センサにおいて、前記金属ケースの両座
面を、当該ケース周方向に切削加工して形成した
ことを特徴とする内燃機関のシリンダ内圧センサ
。 In a cylinder internal pressure sensor formed as a washer of a spark plug, a ring-shaped piezoelectric element and a ring-shaped electrode plate closely laminated to the piezoelectric element are housed in a ring-shaped metal case, and both seats of the metal case are provided. A cylinder internal pressure sensor for an internal combustion engine, characterized in that the surface is formed by cutting in the circumferential direction of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19944585U JPH0318903Y2 (en) | 1985-12-27 | 1985-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19944585U JPH0318903Y2 (en) | 1985-12-27 | 1985-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62111531U true JPS62111531U (en) | 1987-07-16 |
| JPH0318903Y2 JPH0318903Y2 (en) | 1991-04-22 |
Family
ID=31161076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19944585U Expired JPH0318903Y2 (en) | 1985-12-27 | 1985-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318903Y2 (en) |
-
1985
- 1985-12-27 JP JP19944585U patent/JPH0318903Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0318903Y2 (en) | 1991-04-22 |