JPS6117641U - pressure detection device - Google Patents
pressure detection deviceInfo
- Publication number
- JPS6117641U JPS6117641U JP10168984U JP10168984U JPS6117641U JP S6117641 U JPS6117641 U JP S6117641U JP 10168984 U JP10168984 U JP 10168984U JP 10168984 U JP10168984 U JP 10168984U JP S6117641 U JPS6117641 U JP S6117641U
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- detection device
- pressure detection
- pressure
- mold member
- 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
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第１図は本考案の第１実施例の断面図、第２図はセンサ
部分の拡大断面図、第３図は同じく第２施例の断面図、
第４図は従来例の断面図、第５図は同じくセンサ部分の
断面図、第６図はその平面図である。
．１０・・・シリンダヘッド、１１・・・点火栓ネジ孔
、１２・・・点火栓、１４・・・取付座面、１５・・・
圧カセンサ、１６・・・中心電極、１７・・・圧電素子
、１８・・・上面電極、１９・・・下面電極、２０・・
・モールド部材、２１・・・リード線、３０．３１・・
・突出面、３３・・・ガスケツ庫。[Brief Description of the Drawings] Fig. 1 is a sectional view of the first embodiment of the present invention, Fig. 2 is an enlarged sectional view of the sensor portion, and Fig. 3 is a sectional view of the second embodiment.
FIG. 4 is a sectional view of the conventional example, FIG. 5 is a sectional view of the sensor portion, and FIG. 6 is a plan view thereof. ．． 10... Cylinder head, 11... Ignition plug screw hole, 12... Ignition plug, 14... Mounting seat surface, 15...
Pressure sensor, 16...center electrode, 17...piezoelectric element, 18...top electrode, 19...bottom electrode, 20...
・Mold member, 21...Lead wire, 30.31...
・Protruding surface, 33... Gasket storage.
Claims (1)
型の圧カセンサを挾み込み、この圧力センサは圧電素子
と電極の積層体の周囲に絶縁性のモールド部材を鋳包ん
で一体化し、この圧カセンサの出力によりシリンダ内圧
を測定するようにした内燃機関の圧力検出装置において
、前記圧力センサの圧電素子を挾む上面、下面電極の上
面または下面をモールド部材の上面または下面よりも突
出させたことを特徴とする圧力検出装置。A ring-shaped pressure sensor is inserted into the dowel seat of the spark plug that is screwed into the cylinder head, and this pressure sensor is integrated by casting an insulating mold member around the stack of piezoelectric elements and electrodes. In a pressure detection device for an internal combustion engine, which measures cylinder internal pressure using the output of the pressure sensor, the top surface or bottom surface of the top and bottom electrodes that sandwich the piezoelectric element of the pressure sensor protrude beyond the top surface or bottom surface of the mold member. A pressure detection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10168984U JPS6117641U (en) | 1984-07-05 | 1984-07-05 | pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10168984U JPS6117641U (en) | 1984-07-05 | 1984-07-05 | pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6117641U true JPS6117641U (en) | 1986-02-01 |
Family
ID=30661107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10168984U Pending JPS6117641U (en) | 1984-07-05 | 1984-07-05 | pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117641U (en) |
-
1984
- 1984-07-05 JP JP10168984U patent/JPS6117641U/en active Pending
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