JPS59108243U - Piezoelectric pressure sensor for internal combustion engines - Google Patents

Piezoelectric pressure sensor for internal combustion engines

Info

Publication number
JPS59108243U
JPS59108243U JP9289482U JP9289482U JPS59108243U JP S59108243 U JPS59108243 U JP S59108243U JP 9289482 U JP9289482 U JP 9289482U JP 9289482 U JP9289482 U JP 9289482U JP S59108243 U JPS59108243 U JP S59108243U
Authority
JP
Japan
Prior art keywords
pressure
pressure sensor
internal combustion
combustion engines
plate
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
Application number
JP9289482U
Other languages
Japanese (ja)
Other versions
JPS6242345Y2 (en
Inventor
修二 山下
松田　哲治
Original Assignee
日本特殊陶業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本特殊陶業株式会社 filed Critical 日本特殊陶業株式会社
Priority to JP9289482U priority Critical patent/JPS59108243U/en
Publication of JPS59108243U publication Critical patent/JPS59108243U/en
Application granted granted Critical
Publication of JPS6242345Y2 publication Critical patent/JPS6242345Y2/ja
Granted legal-status Critical Current

Links

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】[Brief explanation of drawings]

第１図Ａは本案を適用した圧電型圧力センサの正断面図
、同図ＢはＡ図イーイ線に沿う平断面図、第２図Ａは第
１図で用いたものと同様の加圧板（および受圧板）の斜
視図、同図Ｂは他の態様による加圧板（および受圧板）
の斜視図である。 １．１′・・・・・・圧電素子、３・・・・・・加圧板
、３′・・・・・・受圧板、３ａ、　　３’　ａ、　　
３ｂ、　　３’　ｂ・・・・・−突部、Ｎ・・・・・・
機関ボルト、Ｎ′・・・・・・六角頭部、Ｍ・・・・・
・シリンダヘッド面。Figure 1A is a front cross-sectional view of a piezoelectric pressure sensor to which the present invention is applied, Figure B is a plane cross-sectional view taken along line E in Figure A, and Figure 2A is a pressure plate similar to that used in Figure 1. Figure B is a perspective view of a pressure plate (and pressure receiving plate) according to another aspect.
FIG. 1.1'... Piezoelectric element, 3... Pressure plate, 3'... Pressure receiving plate, 3a, 3' a,
3b, 3' b...-Protrusion, N...
Engine bolt, N'...Hexagonal head, M...
・Cylinder head surface.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関ボルトの六角頭部とシリンダヘッド面との間に機関
ボルトを挿通して一定の圧縮応力下で装着され、シリン
ダ内圧力の変動に応じて電気信号を出力するものであっ
て、少なくとも圧電素子とこれを上下面で挾持する金属
の加圧板および受圧板とを具備する圧力センサにおいて
上記加圧板および受圧板の外面にそれぞれ機関ボルトの
六角頭部とシリンダヘッド面との熱伝導面積を少なくす
る突部を設けたことを特徴とする内燃機関用圧電型圧力
センサ。The engine bolt is inserted between the hexagonal head of the engine bolt and the cylinder head surface and is installed under a certain compressive stress, and outputs an electrical signal in response to fluctuations in cylinder pressure, and at least piezoelectric element In a pressure sensor equipped with a metal pressure plate and a pressure receiving plate that sandwich the pressure plate and the pressure plate at the upper and lower surfaces, the heat conduction area between the hexagonal head of the engine bolt and the cylinder head surface is reduced on the outer surface of the pressure plate and the pressure receiving plate, respectively. A piezoelectric pressure sensor for internal combustion engines characterized by having a protrusion.
JP9289482U 1982-06-21 1982-06-21 Piezoelectric pressure sensor for internal combustion engines Granted JPS59108243U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9289482U JPS59108243U (en) 1982-06-21 1982-06-21 Piezoelectric pressure sensor for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9289482U JPS59108243U (en) 1982-06-21 1982-06-21 Piezoelectric pressure sensor for internal combustion engines

Publications (2)

Publication Number Publication Date
JPS59108243U true JPS59108243U (en) 1984-07-21
JPS6242345Y2 JPS6242345Y2 (en) 1987-10-30

Family

ID=30223331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9289482U Granted JPS59108243U (en) 1982-06-21 1982-06-21 Piezoelectric pressure sensor for internal combustion engines

Country Status (1)

Country Link
JP (1) JPS59108243U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108244U (en) * 1983-01-10 1984-07-21 日産自動車株式会社 Washer type pressure sensor
JP2010071078A (en) * 2008-09-16 2010-04-02 Mitsuba Corp Engine starting device
JP2012097710A (en) * 2010-11-05 2012-05-24 Ihi Corp Heat transfer inhibition coupling structure and turbine with variable nozzle equipped with the structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013179752A1 (en) * 2012-05-31 2013-12-05 京セラ株式会社 Piezoelectric element for pressure sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108244U (en) * 1983-01-10 1984-07-21 日産自動車株式会社 Washer type pressure sensor
JP2010071078A (en) * 2008-09-16 2010-04-02 Mitsuba Corp Engine starting device
JP2012097710A (en) * 2010-11-05 2012-05-24 Ihi Corp Heat transfer inhibition coupling structure and turbine with variable nozzle equipped with the structure

Also Published As

Publication number Publication date
JPS6242345Y2 (en) 1987-10-30

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