JPS5865544U

JPS5865544U - Knocking detector for internal combustion engine

Info

Publication number: JPS5865544U
Application number: JP15974681U
Authority: JP
Inventors: 眞尾崎; 正服部; 和彦三浦
Original assignee: 株式会社日本自動車部品総合研究所
Priority date: 1981-10-27
Filing date: 1981-10-27
Publication date: 1983-05-04

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

[Brief explanation of the drawing]

第１図はノッキング検出器のシリンダブロックへの取付
は状態図、第２図はノックフィードバック点火システム
の構成図、第３図乃至第５図は本考案になる内燃機関用
ノッキング検出器の第１実施例乃至第３実施例の構成を
示す縦断面図であり、図中同一符号は同−又は均等部分
を示す。１００・・・圧力脈動検出部、１０２・・・金属ダイヤ
フラム、１０３・・・圧電素子、１０１・・・ハウジン
グ、２００・・・防振接続部、１０５・・・支持部、３
００・・・シリンダブロック取付は部、３０１ａ・・・
取付はネジ、１０６・・・コネクタ。１９１１？２Ｔ’ｌＴ７゜１ｄ４１玉　−−Fig. 1 is a state diagram showing the installation of the knocking detector to the cylinder block, Fig. 2 is a configuration diagram of the knock feedback ignition system, and Figs. FIG. 3 is a vertical cross-sectional view showing the configurations of the embodiments to the third embodiment, and the same reference numerals in the figures indicate the same or equivalent parts. DESCRIPTION OF SYMBOLS 100... Pressure pulsation detection part, 102... Metal diaphragm, 103... Piezoelectric element, 101... Housing, 200... Vibration-proof connection part, 105... Support part, 3
00...Cylinder block installation part, 301a...
Installation is with screws, 106...connector. 1911?2T'lT7゜1d41 ball --

Claims

[Scope of utility model registration request]

(1) In a knocking detector that detects knocking in an internal combustion engine by detecting pressure pulsations in the engine cooling water, the pressure pulsation detection section is attached to the engine block, and the attachment is from the section to the pressure pulsation detection section. the pressure pulsation detection section, the vibration isolation connection section, and the mounting section are connected in series;
A knocking detector for an internal combustion engine, characterized in that the vibration-proof connection part has a tubular structure with low rigidity.

(2) The knocking detector for an internal combustion engine according to claim 1, wherein the vibration-proof connection portion is made of a conductive metal and has a tubular shape with a corrugated longitudinal section.

(3) The knocking detector for an internal combustion engine according to claim 1, wherein the vibration-proof connection portion is made of a resin material and has a bellows-like structure.

(4) The internal combustion engine according to claim 1 of the utility model registration, characterized in that the vibration-proof connection part is made of a resin material, has a tubular shape, and has notches on the outer circumferential side and the inner circumferential side thereof. Engine knocking detector.