JPS6296541U - - Google Patents
Info
- Publication number
- JPS6296541U JPS6296541U JP18732585U JP18732585U JPS6296541U JP S6296541 U JPS6296541 U JP S6296541U JP 18732585 U JP18732585 U JP 18732585U JP 18732585 U JP18732585 U JP 18732585U JP S6296541 U JPS6296541 U JP S6296541U
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- combustion engine
- internal combustion
- detection device
- wire
- 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
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 3
- 239000003989 dielectric material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図Ａ，Ｂは本考案の一実施例における圧力
センサの電極引出線部分を示す図であつて、同図
Ａは部分縦断面図、同図Ｂは同図ＡのＢ−Ｂ部分
の断面図、第２図は圧力センサの断面図、第３図
は圧力センサの等価回路図、第４図は圧力センサ
の出力側に等価的に並列接続される静電容量とセ
ンサ出力との関係を示す線図、第５図は圧力セン
サの取付例を示す断面図である。
３……圧力センサ、９……電極引出線としての
シールド線、９１……芯線、９２……シールド外
線、９５……誘電体部材。
1A and 1B are diagrams showing the electrode lead line portion of a pressure sensor according to an embodiment of the present invention, in which FIG. 1A is a partial vertical sectional view, and FIG. 2 is a sectional view of the pressure sensor, 3 is an equivalent circuit diagram of the pressure sensor, and 4 is the relationship between the capacitance equivalently connected in parallel to the output side of the pressure sensor and the sensor output. FIG. 5 is a cross-sectional view showing an example of mounting a pressure sensor. 3... Pressure sensor, 9... Shield wire as an electrode lead wire, 91... Core wire, 92... Shield outer wire, 95... Dielectric member.
Claims (1)
力センサを備える内燃機関の筒内圧力検出装置に
おいて、圧力センサの電極引出線をシールド線で
構成すると共に、このシールド線の一部にて、圧
力センサの浮遊側極に接続する芯線と接地側極に
接続するシールド外線との間に量可変の誘電体部
材を介在させたことを特徴とする内燃機関の筒内
圧力検出装置。 (2) 誘電体部材が誘電体材料からなるテープで
あることを特徴とする実用新案登録請求の範囲第
１項記載の内燃機関の筒内圧力検出装置。[Scope of Claim for Utility Model Registration] (1) In a cylinder pressure detection device for an internal combustion engine equipped with a piezoelectric pressure sensor formed as a washer for a spark plug, the electrode lead wire of the pressure sensor is configured with a shielded wire, and An internal combustion engine characterized in that, in a part of the shielded wire, a variable amount dielectric member is interposed between the core wire connected to the floating side pole of the pressure sensor and the shielded outer wire connected to the grounded side pole. Cylinder pressure detection device. (2) The in-cylinder pressure detection device for an internal combustion engine according to claim 1, wherein the dielectric member is a tape made of a dielectric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18732585U JPS6296541U (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18732585U JPS6296541U (en) | 1985-12-06 | 1985-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6296541U true JPS6296541U (en) | 1987-06-19 |
Family
ID=31137702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18732585U Pending JPS6296541U (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6296541U (en) |
-
1985
- 1985-12-06 JP JP18732585U patent/JPS6296541U/ja active Pending
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