JPS58177843U - Knocking detection device for internal combustion engine - Google Patents

Knocking detection device for internal combustion engine

Info

Publication number
JPS58177843U
JPS58177843U JP7527982U JP7527982U JPS58177843U JP S58177843 U JPS58177843 U JP S58177843U JP 7527982 U JP7527982 U JP 7527982U JP 7527982 U JP7527982 U JP 7527982U JP S58177843 U JPS58177843 U JP S58177843U
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
detection device
knocking detection
support
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
JP7527982U
Other languages
Japanese (ja)
Other versions
JPS641615Y2 (en
Inventor
犬塚　彰仁
敏彦 木村
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 JP7527982U priority Critical patent/JPS58177843U/en
Publication of JPS58177843U publication Critical patent/JPS58177843U/en
Application granted granted Critical
Publication of JPS641615Y2 publication Critical patent/JPS641615Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

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) [Abstract] 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 the drawing]

第１，２図は本考案の一実施例を示し、第１図は縦断側
面□図、第２図は第１図Ａ−Ａ線断面図、第３図は比較
する他の７ツキング検出装置の縦断側面図である。 ２：金属ケース、７：絶縁性支持体、１１：振動感知部
材、１２：圧電素子、２０．２１：端子。Figures 1 and 2 show an embodiment of the present invention, Figure 1 is a longitudinal side view, Figure 2 is a sectional view taken along the line A-A in Figure 1, and Figure 3 is a comparison of other seven-tracking detection devices. FIG. 2: Metal case, 7: Insulating support, 11: Vibration sensing member, 12: Piezoelectric element, 20.21: Terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内燃機関のシリンダ壁に固結する金属ケースの内底面に
、上面に螺子孔を形成した絶縁性支持体を螺着又は圧入
等によって固結し、金属薄板上に圧電素子を接合してな
るノッキング周波数と略等しい共振周波数を有する振動
感知部材を、その中心に通したボルトで前記支持体の螺
子孔に螺合して支持体上に支持すると共に、前記圧電素
子の上下面電極を金属ケースと絶縁された端子に夫々接
続したことを特徴とする内燃機関のノッキング検出装置
。A knocking device in which an insulating support with a screw hole formed on the top surface is fixed by screwing or press-fitting to the inner bottom surface of a metal case that is fixed to the cylinder wall of an internal combustion engine, and a piezoelectric element is bonded to the thin metal plate. A vibration sensing member having a resonant frequency substantially equal to the vibration sensing member is supported on the support by being screwed into the screw hole of the support with a bolt passed through its center, and the upper and lower electrodes of the piezoelectric element are connected to a metal case. A knocking detection device for an internal combustion engine, characterized in that the knocking detection device is connected to insulated terminals.
JP7527982U 1982-05-21 1982-05-21 Knocking detection device for internal combustion engine Granted JPS58177843U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7527982U JPS58177843U (en) 1982-05-21 1982-05-21 Knocking detection device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7527982U JPS58177843U (en) 1982-05-21 1982-05-21 Knocking detection device for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS58177843U true JPS58177843U (en) 1983-11-28
JPS641615Y2 JPS641615Y2 (en) 1989-01-13

Family

ID=30084647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7527982U Granted JPS58177843U (en) 1982-05-21 1982-05-21 Knocking detection device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS58177843U (en)

Also Published As

Publication number Publication date
JPS641615Y2 (en) 1989-01-13

Similar Documents

Publication Publication Date Title
JPS58177843U (en) Knocking detection device for internal combustion engine
JPS58175431U (en) Knocking detection device for internal combustion engine
JPS5865542U (en) Piezoelectric pickup for internal combustion engines
JPS58177842U (en) Knocking detection device for internal combustion engine
JPS58180426U (en) Knocking detection device for internal combustion engine
JPS59115322U (en) Pinching type piezoelectric sensor
JPS6384540U (en)
JPS6112028U (en) Knock sensor device
JPS6117643U (en) pressure detection device
JPS60100627U (en) Knock sensor
JPS6117641U (en) pressure detection device
JPS58144247U (en) Internal combustion engine cylinder pressure sensor mounting device
JPS60188339U (en) Knock sensor
JPS5860248U (en) Piezoelectric pickup for internal combustion engines
JPS6117639U (en) pressure detection device
JPS58138038U (en) Knocking detector
JPS59152815U (en) piezoelectric vibrator
JPS5871126U (en) Resonant type knob sensor equipped with piezoelectric element
JPS58132134U (en) Turbocharger oil coking prevention structure
JPS5888128U (en) Knock detection device for internal combustion engine
JPS6040127U (en) ultrasonic delay line
JPS58180427U (en) Notking sensor
JPS58178641U (en) Knocking detection device for internal combustion engine
JPS60150433U (en) vibration sensor
JPS6049431U (en) Notking sensor