JPS6057711U - Valve opening/closing mechanism of overhead valve type engine - Google Patents

Valve opening/closing mechanism of overhead valve type engine

Info

Publication number
JPS6057711U
JPS6057711U JP1983151060U JP15106083U JPS6057711U JP S6057711 U JPS6057711 U JP S6057711U JP 1983151060 U JP1983151060 U JP 1983151060U JP 15106083 U JP15106083 U JP 15106083U JP S6057711 U JPS6057711 U JP S6057711U
Authority
JP
Japan
Prior art keywords
closing mechanism
type engine
valve opening
overhead
valve
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
JP1983151060U
Other languages
Japanese (ja)
Other versions
JPH032653Y2 (en
Inventor
二郎 永松
Original Assignee
日産ディーゼル工業株式会社
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 日産ディーゼル工業株式会社 filed Critical 日産ディーゼル工業株式会社
Priority to JP1983151060U priority Critical patent/JPS6057711U/en
Publication of JPS6057711U publication Critical patent/JPS6057711U/en
Application granted granted Critical
Publication of JPH032653Y2 publication Critical patent/JPH032653Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (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) [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 the drawing]

第１図は従来のオーバヘッドバルブ型機関のバルブ開閉
機構を示す断面図、第２図はこの考案の実施例の断面図
、第３図は同ロッカアームのレバー比を示す曲線図であ
る。 図において、５はバルブ開閉機構、７はブツシュロッド
、８はロッカアーム、９は支持アーム、１０はカム側γ
−ム、１５はブツシュロッドの作用点である。FIG. 1 is a sectional view showing a valve opening/closing mechanism of a conventional overhead valve type engine, FIG. 2 is a sectional view of an embodiment of this invention, and FIG. 3 is a curve diagram showing the lever ratio of the same rocker arm. In the figure, 5 is a valve opening/closing mechanism, 7 is a bushing rod, 8 is a rocker arm, 9 is a support arm, and 10 is a cam side γ
15 is the point of action of the bushing rod.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブツシュロッドとロッカアームのカム側アームとの間に
、前記ブツシュロッドの上端を保持しつつカム側アーム
に当接し乍ら略水平方向に移動可能なブツシュロッドの
揺動形支持アームを設け、該支持アームは機関の運転状
態に応じて変動してブツシュロッドの作用点を可変する
ようにしたことを特徴とするオーバヘッドバルブ型機関
のバルブ開閉機構。A rocking support arm for the bushing rod is provided between the bushing rod and the cam-side arm of the rocker arm, and is movable in a substantially horizontal direction while holding the upper end of the bushing rod and in contact with the cam-side arm. A valve opening/closing mechanism for an overhead valve type engine, characterized in that the point of action of a bushing rod is varied according to the operating state of the engine.
JP1983151060U 1983-09-29 1983-09-29 Valve opening/closing mechanism of overhead valve type engine Granted JPS6057711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983151060U JPS6057711U (en) 1983-09-29 1983-09-29 Valve opening/closing mechanism of overhead valve type engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983151060U JPS6057711U (en) 1983-09-29 1983-09-29 Valve opening/closing mechanism of overhead valve type engine

Publications (2)

Publication Number Publication Date
JPS6057711U true JPS6057711U (en) 1985-04-22
JPH032653Y2 JPH032653Y2 (en) 1991-01-24

Family

ID=30334857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983151060U Granted JPS6057711U (en) 1983-09-29 1983-09-29 Valve opening/closing mechanism of overhead valve type engine

Country Status (1)

Country Link
JP (1) JPS6057711U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187810A (en) * 1978-02-17 1980-02-12 Buehner Joseph F Poppet valve stroke adjusting device for, and combination with, an internal combustion valve in head engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187810A (en) * 1978-02-17 1980-02-12 Buehner Joseph F Poppet valve stroke adjusting device for, and combination with, an internal combustion valve in head engine

Also Published As

Publication number Publication date
JPH032653Y2 (en) 1991-01-24

Similar Documents

Publication Publication Date Title
JPS5965908U (en) Internal combustion engine valve train
JPS6057711U (en) Valve opening/closing mechanism of overhead valve type engine
JPS58165204U (en) Intake and exhaust valve operation stop device
JPS6043106U (en) Engine valve mechanism
JPS58156107U (en) Overhead valve internal combustion engine
JPS6032504U (en) variable cylinder engine
JPS59107006U (en) Internal combustion engine valve train
JPS6075610U (en) Internal combustion engine valve actuation device
JPS59107005U (en) Tappet
JPS584701U (en) Internal combustion engine intake and exhaust valve drive device
JPS60145204U (en) valve train
JPS6125514U (en) Variable valve lift mechanism
JPS592905U (en) Valve mechanism of internal combustion engine
JPS584704U (en) Internal combustion engine intake and exhaust valve drive device
JPS58130003U (en) Internal combustion engine valve drive device
JPS58129011U (en) Engine valve clearance adjustment device
JPS6015940U (en) exhaust brake system
JPS5967502U (en) Rotska Arm
JPS59505U (en) Valve mechanism push rod
JPS60102411U (en) Internal combustion engine intake and exhaust valve drive device
JPS59105003U (en) Tappet structure
JPS5872404U (en) Internal combustion engine intake and exhaust valve drive device
JPS59105004U (en) Roller tappet rotation prevention structure
JPS5968105U (en) Rotska Arm
JPS5859907U (en) Internal combustion engine intake and exhaust valve drive device