JPH0158131U - - Google Patents
Info
- Publication number
- JPH0158131U JPH0158131U JP15164787U JP15164787U JPH0158131U JP H0158131 U JPH0158131 U JP H0158131U JP 15164787 U JP15164787 U JP 15164787U JP 15164787 U JP15164787 U JP 15164787U JP H0158131 U JPH0158131 U JP H0158131U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical member
- engine
- sensor
- knocking
- end surface
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Of Engines (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の第１実施例を示す断面図、第
２図は本考案の第２実施例を示す要部断面図、第
３図は本考案の第３実施例を示す要部断面図、第
４図はノツキングセンサの従来例を示す断面図、
第５図は従来の欠点を説明するためのセンサ出力
特性図である。
２…ピエゾ素子、１１，１５，１６…ハウジン
グ、１１ａ，１４ａ，１６ａ…一端面、１２…端
子カバー、１３…Ｏリング、１５…凸部。
Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a sectional view of the main part showing the second embodiment of the invention, and Fig. 3 is a sectional view of the main part showing the third embodiment of the invention. Figure 4 is a sectional view showing a conventional example of a knocking sensor.
FIG. 5 is a sensor output characteristic diagram for explaining the conventional drawbacks. 2... Piezo element, 11, 15, 16... Housing, 11a, 14a, 16a... One end surface, 12... Terminal cover, 13... O ring, 15... Convex part.
Claims (1)
じた出力特性を有するセンサ本体部を、取付け、
かつ前記筒状部材の一端面をエンジン本体外壁に
当接させて、前記筒状部材の中空部を貫通する締
結部材により前記筒状部材をエンジン本体に取付
けるようにしたエンジンのノツキングセンサにお
いて、前記筒状部材の一端面に、前記締結部材を
囲むように、凸部を形成したことを特徴とするエ
ンジンのノツキングセンサ。 Attach a sensor body having output characteristics according to the knocking level of the engine to the cylindrical member,
In the engine knocking sensor, the cylindrical member is attached to the engine body by a fastening member passing through a hollow portion of the cylindrical member, with one end surface of the cylindrical member abutting an outer wall of the engine body. A knocking sensor for an engine, characterized in that a convex portion is formed on one end surface of the cylindrical member so as to surround the fastening member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15164787U JPH0158131U (en) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15164787U JPH0158131U (en) | 1987-10-05 | 1987-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0158131U true JPH0158131U (en) | 1989-04-11 |
Family
ID=31425873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15164787U Pending JPH0158131U (en) | 1987-10-05 | 1987-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0158131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003517596A (en) * | 1999-12-15 | 2003-05-27 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Vibration detector with pressure sleeve |
-
1987
- 1987-10-05 JP JP15164787U patent/JPH0158131U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003517596A (en) * | 1999-12-15 | 2003-05-27 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Vibration detector with pressure sleeve |
| JP4800539B2 (en) * | 1999-12-15 | 2011-10-26 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Vibration detector with pressure sleeve |