JPS604708U - Internal combustion engine intake and exhaust valve drive device - Google Patents
Internal combustion engine intake and exhaust valve drive deviceInfo
- Publication number
- JPS604708U JPS604708U JP9713983U JP9713983U JPS604708U JP S604708 U JPS604708 U JP S604708U JP 9713983 U JP9713983 U JP 9713983U JP 9713983 U JP9713983 U JP 9713983U JP S604708 U JPS604708 U JP S604708U
- Authority
- JP
- Japan
- Prior art keywords
- valve drive
- control lever
- internal combustion
- combustion engine
- exhaust 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.)
- Pending
Links
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (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
第１図は従来の内燃機関の吸排気弁駆動装置を示す断面
図、第２図はこの考案にかかる内燃機関の吸排気弁駆動
装置を示す断面図、第３図は同じく要部の平面図、第４
図はバルブリフト特性図、第５図は他の実施例を示す要
部の断面図である。
１１・・・バルブ駆動カム、１２・・・吸排気弁、１３
・・・バルブスプリング、１４・・・ブラケット、１７
・・・ロッカアーム、２０・・・制御レバー、２５・・
・油圧アクチュエータ、２６・・・オイルギヤラリ、２
８・・・外筒部、２９・・・油溜室、３０・・・内筒部
、３２．４０・・・トーションスプリング、３３・・・
シャフト、３７・・・ステップモータ、３８・・・コン
トロールユニット。FIG. 1 is a sectional view showing a conventional intake and exhaust valve drive device for an internal combustion engine, FIG. 2 is a sectional view showing an intake and exhaust valve drive device for an internal combustion engine according to this invention, and FIG. 3 is a plan view of the main parts. , 4th
The figure is a valve lift characteristic diagram, and FIG. 5 is a sectional view of a main part showing another embodiment. 11... Valve drive cam, 12... Intake and exhaust valve, 13
...Valve spring, 14...Bracket, 17
...Rocker arm, 20...Control lever, 25...
・Hydraulic actuator, 26...Oil gear rally, 2
8... Outer cylinder part, 29... Oil reservoir chamber, 30... Inner cylinder part, 32.40... Torsion spring, 33...
Shaft, 37...Step motor, 38...Control unit.
Claims (1)
上記バルブ駆動カムに当接し、かつ他端がバルブステム
に連係するロッカアームと、このロッカアームの略背面
に沿って配設され、上記背面が支点接触するロッカアー
ム支持面を備えた制御レバーと、この制御レバーのバル
ブ側の一端ヲ支持するブラケットと、上記制御レバーの
カム側の一端を支持し、ポンプから供給される油圧によ
り上記制御レバーの傾斜を規制する油圧アクチュエータ
と、機関運転条件に応じた反発力を発生して、上記制御
レバーの傾動調整を行う弾性揃御装廚とから構成したこ
とを特徴とする内燃機関の吸排気弁駆動装置。A valve drive cam that rotates in synchronization with engine rotation; a rocker arm that has one end in contact with the valve drive cam and the other end that is linked to the valve stem; A control lever with a rocker arm support surface that makes contact with the fulcrum, a bracket that supports one end of the control lever on the valve side, and one end of the control lever on the cam side that supports the control lever with hydraulic pressure supplied from a pump. An intake/exhaust valve drive for an internal combustion engine, comprising a hydraulic actuator that regulates inclination, and an elastic adjustment device that generates a repulsive force according to engine operating conditions to adjust the inclination of the control lever. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9713983U JPS604708U (en) | 1983-06-23 | 1983-06-23 | Internal combustion engine intake and exhaust valve drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9713983U JPS604708U (en) | 1983-06-23 | 1983-06-23 | Internal combustion engine intake and exhaust valve drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS604708U true JPS604708U (en) | 1985-01-14 |
Family
ID=30231191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9713983U Pending JPS604708U (en) | 1983-06-23 | 1983-06-23 | Internal combustion engine intake and exhaust valve drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604708U (en) |
-
1983
- 1983-06-23 JP JP9713983U patent/JPS604708U/en active Pending
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