JPS6117643U - pressure detection device - Google Patents
pressure detection deviceInfo
- Publication number
- JPS6117643U JPS6117643U JP10169184U JP10169184U JPS6117643U JP S6117643 U JPS6117643 U JP S6117643U JP 10169184 U JP10169184 U JP 10169184U JP 10169184 U JP10169184 U JP 10169184U JP S6117643 U JPS6117643 U JP S6117643U
- 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図は本考案の実施例の断面図、第２図は本考案の絶
縁性能を表す特性図、第３図は従来例の断面図、第４図
は同じくセンサ部分の断面図、第５図はその平面図であ
る。
１０・・・シリンダヘ′ツド、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、２３・・・内周
延長部、３０・・・防水剤。[Brief explanation of the drawings] Fig. 1 is a cross-sectional view of an embodiment of the present invention, Fig. 2 is a characteristic diagram showing the insulation performance of the present invention, Fig. 3 is a cross-sectional view of a conventional example, and Fig. 4 is a similar sensor. A sectional view of the portion, and FIG. 5 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, 23... Inner peripheral extension, 30... Waterproofing agent.
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、各電極およびモールド部
材とのそれぞれ接合面に防水剤を含浸させたことを特徴
とする圧力検出装置。A ring-shaped pressure sensor is inserted into the mounting surface of the ignition 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. A pressure detection device for an internal combustion engine that measures cylinder internal pressure based on the output of the pressure sensor, characterized in that the piezoelectric element of the pressure sensor, each electrode, and the bonding surface with the mold member are impregnated with a waterproofing agent. pressure detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169184U JPS6117643U (en) | 1984-07-05 | 1984-07-05 | pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169184U JPS6117643U (en) | 1984-07-05 | 1984-07-05 | pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6117643U true JPS6117643U (en) | 1986-02-01 |
Family
ID=30661109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10169184U Pending JPS6117643U (en) | 1984-07-05 | 1984-07-05 | pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117643U (en) |
-
1984
- 1984-07-05 JP JP10169184U patent/JPS6117643U/en active Pending
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