JPS63183529U - - Google Patents
Info
- Publication number
- JPS63183529U JPS63183529U JP7392887U JP7392887U JPS63183529U JP S63183529 U JPS63183529 U JP S63183529U JP 7392887 U JP7392887 U JP 7392887U JP 7392887 U JP7392887 U JP 7392887U JP S63183529 U JPS63183529 U JP S63183529U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- flange
- internal pressure
- pressure sensor
- sensor according
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係るシリンダ内圧センサの部
分断面図、第２図は同じくその動作を説明する要
部拡大断面図、第３図は本考案に係るシリンダ内
圧センサを構成する支持体と変位変換素子の組立
構造を示す断面図、第４図は同じくその底面図、
第５図は本考案に係るシリンダ内圧センサを構成
する変位変換素子の別の実施例における平面図、
第６図は本考案に係るシリンダ内圧センサの別の
実施例における断面図、第７図は同じく更に別の
実施例における断面図、第８図は従来のシリンダ
内圧センサの部分断面図、第９図はクランク角―
シリンダ内圧特性図である。
１……点火プラグ、２……シリンダ、４……支
持体、４１……開口部、４２……鍔部、５……変
位変換素子。
Fig. 1 is a partial sectional view of the cylinder internal pressure sensor according to the present invention, Fig. 2 is an enlarged sectional view of the main part similarly explaining its operation, and Fig. 3 is a support body and displacement that constitute the cylinder internal pressure sensor according to the present invention. A sectional view showing the assembled structure of the conversion element, and FIG. 4 is a bottom view thereof.
FIG. 5 is a plan view of another embodiment of the displacement conversion element constituting the cylinder internal pressure sensor according to the present invention;
FIG. 6 is a sectional view of another embodiment of the cylinder internal pressure sensor according to the present invention, FIG. 7 is a sectional view of yet another embodiment, FIG. 8 is a partial sectional view of a conventional cylinder internal pressure sensor, and FIG. The figure shows the crank angle.
It is a cylinder internal pressure characteristic diagram. DESCRIPTION OF SYMBOLS 1... Spark plug, 2... Cylinder, 4... Support body, 41... Opening part, 42... Flange part, 5... Displacement conversion element.
Claims (1)
て、開口部を有する鍔部を設けた筒状の支持体と
、前記支持体の前記鍔部の面上に接合された変位
変換素子とを備え、前記支持体の前記一端部をシ
リンダの外壁に当接させ、前記開口部を通り内燃
機関のシリンダに装着された点火プラグの端面を
前記鍔部の面上に当接させ、前記シリンダと前記
点火プラグとの間で前記支持体を締付けたことを
特徴とするシリンダ内圧センサ。 (2) 前記変位変換素子は、前記鍔部の内面に接
合させたことを特徴とする実用新案登録請求の範
囲第１項に記載のシリンダ内圧センサ。 (3) 前記変位変換素子は、前記鍔部の外面に接
合させたことを特徴とする実用新案登録請求の範
囲第１項に記載のシリンダ内圧センサ。 (4) 前記変位変換素子は、圧電素子でなること
を特徴とする実用新案登録請求の範囲第１項、第
２項または第３項に記載のシリンダ内圧センサ。[Claims for Utility Model Registration] (1) A cylindrical support provided with a flange having an opening at a distance from at least one end in the axial direction, and a cylindrical support provided with a flange having an opening, and the one end of the support is brought into contact with the outer wall of the cylinder, and the end face of the spark plug passed through the opening and attached to the cylinder of the internal combustion engine is placed on the surface of the flange. A cylinder internal pressure sensor, characterized in that the support body is brought into contact with the cylinder and the spark plug and is tightened between the cylinder and the spark plug. (2) The cylinder internal pressure sensor according to claim 1, wherein the displacement conversion element is bonded to the inner surface of the flange. (3) The cylinder internal pressure sensor according to claim 1, wherein the displacement conversion element is bonded to the outer surface of the flange. (4) The cylinder internal pressure sensor according to claim 1, 2, or 3, wherein the displacement conversion element is a piezoelectric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7392887U JPH0631397Y2 (en) | 1987-05-18 | 1987-05-18 | Cylinder pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7392887U JPH0631397Y2 (en) | 1987-05-18 | 1987-05-18 | Cylinder pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63183529U true JPS63183529U (en) | 1988-11-25 |
| JPH0631397Y2 JPH0631397Y2 (en) | 1994-08-22 |
Family
ID=30918693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7392887U Expired - Lifetime JPH0631397Y2 (en) | 1987-05-18 | 1987-05-18 | Cylinder pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631397Y2 (en) |
-
1987
- 1987-05-18 JP JP7392887U patent/JPH0631397Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631397Y2 (en) | 1994-08-22 |