JPS60110608U

JPS60110608U - Internal combustion engine valve train

Info

Publication number: JPS60110608U
Application number: JP19919683U
Authority: JP
Inventors: 松本　泰郎; 誠之助原; 三井所　和幸; 康雄吉川
Original assignee: 日産自動車株式会社
Priority date: 1983-12-28
Filing date: 1983-12-28
Publication date: 1985-07-26

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 drawings]

第１図はこの考案装置の断面図で油圧大の状態□を示す
もの、第２図は同じく油圧小の状態を示すもの、第３図
はオープナの作用性能図、第４図は吸気弁の開弁期間を
変えたときのタイミングダイアグラム図、第５図は第４
図に相当する弁リフト図、第６図は吸排気弁共開弁期間
を変えたときのタイミングダイアグラム図、第７図は第
６図に相当する仰リフト図、第８図はランプ用スプリン
グの荷重線図である。図面に現わした符号の説明、１・・・ラッシュアジャス
タ、２・・・チェックボール、３・・・オープナ、４・
・・高圧室、５・・・スプリング（緩衝ランプ用）、９
　　　　、・・・リザーバ室、１０・・・スプリング（
オープナ用上方）、１１・・・スプリング（オープナ用
下方）、１４…バルブスプリング。Figure 1 is a cross-sectional view of this devised device, showing the high oil pressure state □, Figure 2 also showing the low oil pressure state, Figure 3 is a performance diagram of the opener, and Figure 4 is the intake valve. Timing diagram when changing the valve opening period, Figure 5 is the 4th
Figure 6 is a timing diagram when the intake and exhaust valve co-open period is changed, Figure 7 is an elevation lift diagram corresponding to Figure 6, Figure 8 is a diagram of the ramp spring. It is a load diagram. Explanation of the symbols shown in the drawings: 1... Lash adjuster, 2... Check ball, 3... Opener, 4...
...High pressure chamber, 5...Spring (for buffer lamp), 9
,...reservoir chamber, 10...spring (
Upper part for opener), 11... Spring (lower part for opener), 14... Valve spring.

Claims

[Scope of utility model registration request]

This is a hydraulic lash adjuster that communicates the reservoir chamber of the inner cylinder and the high pressure chamber of the outer cylinder via a check valve, and adjusts the valve mechanism by relative movement of the inner and outer cylinders. A valve train for an internal combustion engine equipped with a lash adjuster equipped with an opener for opening a check valve, characterized in that a spring having a spring force opposing a valve spring is installed in a high pressure chamber of the lash adjuster. Valve train.