JPS58177842U - Knocking detection device for internal combustion engine - Google Patents

Knocking detection device for internal combustion engine

Info

Publication number
JPS58177842U
JPS58177842U JP7527882U JP7527882U JPS58177842U JP S58177842 U JPS58177842 U JP S58177842U JP 7527882 U JP7527882 U JP 7527882U JP 7527882 U JP7527882 U JP 7527882U JP S58177842 U JPS58177842 U JP S58177842U
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
detection device
knocking detection
piezoelectric element
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
JP7527882U
Other languages
Japanese (ja)
Other versions
JPS641614Y2 (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 JP7527882U priority Critical patent/JPS58177842U/en
Publication of JPS58177842U publication Critical patent/JPS58177842U/en
Application granted granted Critical
Publication of JPS641614Y2 publication Critical patent/JPS641614Y2/ja
Granted legal-status Critical Current

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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
る他のノッキング検出装置の縦断側面図である。 ２：装着ケース、４：雄螺子、７：振動感知部材、９：
圧電素子、１２：ボルト、１７．１８：端子。Fig. 1.2 shows an embodiment of the present invention, Fig. 1 is a longitudinal side view, Fig. 2 is a sectional view taken along line A-A in Fig. 1, and Fig. 3 is a longitudinal cross-section of another knocking detection device for comparison. FIG. 2: Mounting case, 4: Male screw, 7: Vibration sensing member, 9:
Piezoelectric element, 12: Volt, 17.18: Terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 下面に内燃機関のシリンダ壁に螺合する雄螺子を突設し
、内部に装着空隙を設けてなる装着ケースを合成樹脂材
料で形成し、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によって前記装着ケース
の内底面上に固結するとともに、前記圧電素子の上下面
電極を装着空隙内に挿通し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 mounting case with a protruding male screw to be screwed into the cylinder wall of an internal combustion engine on the bottom surface and a mounting gap inside is made of a synthetic resin material, and a piezoelectric element is bonded to a thin metal plate. Vibration sensing members having substantially equal resonance frequencies are fixed onto the inner bottom surface of the mounting case by bolts passed through their centers, and electrodes on the upper and lower surfaces of the piezoelectric element are respectively connected to terminals inserted into the mounting gap. A knocking detection device for an internal combustion engine characterized by:
JP7527882U 1982-05-21 1982-05-21 Knocking detection device for internal combustion engine Granted JPS58177842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7527882U JPS58177842U (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
JP7527882U JPS58177842U (en) 1982-05-21 1982-05-21 Knocking detection device for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS58177842U true JPS58177842U (en) 1983-11-28
JPS641614Y2 JPS641614Y2 (en) 1989-01-13

Family

ID=30084646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7527882U Granted JPS58177842U (en) 1982-05-21 1982-05-21 Knocking detection device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS58177842U (en)

Also Published As

Publication number Publication date
JPS641614Y2 (en) 1989-01-13

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