JPH03109143U - - Google Patents
Info
- Publication number
- JPH03109143U JPH03109143U JP1798190U JP1798190U JPH03109143U JP H03109143 U JPH03109143 U JP H03109143U JP 1798190 U JP1798190 U JP 1798190U JP 1798190 U JP1798190 U JP 1798190U JP H03109143 U JPH03109143 U JP H03109143U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- transmission member
- pressure receiving
- housing
- combustion engine
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１，２図はこの考案を具体化した一実施例を
示し、第１図は要部拡大断面図、第２図は圧力セ
ンサの部分断面図、第３図は従来の圧力センサの
断面図、第４図は同じく部分拡大断面図である。
図中、２……ハウジング、６……受圧部、１３
……圧電素子、１６……伝達部材、１９……球面
、ｌ……長さ、Ｒ……曲率半径である。
Figures 1 and 2 show an embodiment of this invention, with Figure 1 being an enlarged sectional view of the main parts, Figure 2 being a partial sectional view of a pressure sensor, and Figure 3 being a sectional view of a conventional pressure sensor. , FIG. 4 is a partially enlarged sectional view. In the figure, 2...Housing, 6...Pressure receiving part, 13
... piezoelectric element, 16 ... transmission member, 19 ... spherical surface, l ... length, R ... radius of curvature.
Claims (1)
れたハウジングと、 前記受圧部から後方へ離間した状態で前記ハウ
ジング内に配設された圧電素子と、 棒状をなし、前端面が前記受圧部後面に当接さ
れ、後端面が前記圧電素子前面に当接された伝達
部材と を備え、 前記伝達部材の前端を、曲率半径が同伝達部材
の長さ以上となる球面に形成したことを特徴とす
る内燃機関の圧力センサ。[Claims for Utility Model Registration] A housing that is attached to an internal combustion engine and has a pressure receiving section at its front end; a piezoelectric element disposed within the housing so as to be spaced rearward from the pressure receiving section; and a piezoelectric element having a rod shape. , a transmission member having a front end surface in contact with the rear surface of the pressure receiving part and a rear end surface in contact with the front surface of the piezoelectric element, the front end of the transmission member having a radius of curvature equal to or greater than the length of the transmission member. A pressure sensor for an internal combustion engine characterized by having a spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1798190U JPH03109143U (en) | 1990-02-23 | 1990-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1798190U JPH03109143U (en) | 1990-02-23 | 1990-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03109143U true JPH03109143U (en) | 1991-11-08 |
Family
ID=31521157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1798190U Pending JPH03109143U (en) | 1990-02-23 | 1990-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03109143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011105084A1 (en) * | 2010-02-25 | 2011-09-01 | シチズンファインテックミヨタ株式会社 | Combustion pressure sensor |
-
1990
- 1990-02-23 JP JP1798190U patent/JPH03109143U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011105084A1 (en) * | 2010-02-25 | 2011-09-01 | シチズンファインテックミヨタ株式会社 | Combustion pressure sensor |