JPS58189307U - Internal combustion engine intake and exhaust valve drive device - Google Patents
Internal combustion engine intake and exhaust valve drive deviceInfo
- Publication number
- JPS58189307U JPS58189307U JP8641482U JP8641482U JPS58189307U JP S58189307 U JPS58189307 U JP S58189307U JP 8641482 U JP8641482 U JP 8641482U JP 8641482 U JP8641482 U JP 8641482U JP S58189307 U JPS58189307 U JP S58189307U
- Authority
- JP
- Japan
- Prior art keywords
- valve drive
- internal combustion
- combustion engine
- drive device
- lift
- 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
Links
Landscapes
- 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
第１図は従来の内燃機関の吸排気弁駆動装置の縦断面図
、第２図は本考案の吸排気弁駆動装置の一実施例を示す
平面図、第３図は同じく縦断面図、第４図はトルク−バ
ルブリフト量特性図、第５図は他の実施例の平面図、第
６図は同じく縦断面図である。
１・・・・・・バルブ駆動カム、２・・・・・・バルブ
ステム、３・・・・・・ロッカアーム、４・・・・・・
背面、５・・・・・・レバー、６・・・・・・制御カム
、７．１２・・・・・・スプリング、１０・・・・・・
回転体（ギヤ）。
第４図
ｉ
゛）７ト 人
ｒ−ゝＮαＵ−FIG. 1 is a vertical cross-sectional view of a conventional intake and exhaust valve drive device for an internal combustion engine, FIG. 2 is a plan view showing an embodiment of the intake and exhaust valve drive device of the present invention, and FIG. FIG. 4 is a torque-valve lift characteristic diagram, FIG. 5 is a plan view of another embodiment, and FIG. 6 is a longitudinal sectional view. 1... Valve drive cam, 2... Valve stem, 3... Rocker arm, 4...
Back, 5... Lever, 6... Control cam, 7.12... Spring, 10...
Rotating body (gear). Figure 4 i゛) 7th person r-ゝNαU-
Claims (1)
前記バルブ駆動カムに他端がバルブステムにそれぞれ連
係するロッカーアームと、このロッカアームの背面に略
沿って配設され、この背面に一側面が支点接触しかつバ
ルブステムの略延長線で回動可能に支持されたレバーと
、このレバーの他側面に当接する制御カムとを備え、こ
の制御カムの機関運転状態に応じた回動に基づいて、吸
排気弁のリフトタイミングおよびリフト量を制御するよ
うにした内燃機関の吸排気弁駆動装置において、前記制
御カムまたはこれに連繋する回転体の軸心から外れた位
置およびシリンダヘッド間に、前記制御カムによるレバ
ーのリフト量が増加する方向であって、そのリフト量の
増加につれて増大するバルブスプリングによる反力に逆
らうトルクを付与するスプリングを張設してなる内燃機
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 is connected to the valve drive cam at one end and the valve stem at the other end; A lever that is in fulcrum contact and rotatably supported by an extension of the valve stem, and a control cam that comes into contact with the other side of the lever, and based on the rotation of the control cam depending on the engine operating condition. In the intake/exhaust valve drive device for an internal combustion engine, which controls the lift timing and lift amount of the intake/exhaust valves, a position off the axis of the control cam or a rotating body connected thereto and between the cylinder head; An intake/exhaust valve drive device for an internal combustion engine, comprising a spring tensioned in a direction in which the amount of lift of the lever by the control cam increases, and which applies a torque counteracting the reaction force of the valve spring that increases as the amount of lift increases. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8641482U JPS58189307U (en) | 1982-06-10 | 1982-06-10 | Internal combustion engine intake and exhaust valve drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8641482U JPS58189307U (en) | 1982-06-10 | 1982-06-10 | Internal combustion engine intake and exhaust valve drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58189307U true JPS58189307U (en) | 1983-12-16 |
| JPH0111931Y2 JPH0111931Y2 (en) | 1989-04-07 |
Family
ID=30095216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8641482U Granted JPS58189307U (en) | 1982-06-10 | 1982-06-10 | Internal combustion engine intake and exhaust valve drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58189307U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3413965A (en) * | 1967-07-13 | 1968-12-03 | Ford Motor Co | Mechanism for varying the operation of a reciprocating member |
| JPS55137306A (en) * | 1979-04-13 | 1980-10-27 | Nissan Motor Co Ltd | Valve lift for internal combustion engine |
| JPS6139049U (en) * | 1984-08-14 | 1986-03-12 | 象印マホービン株式会社 | electric pot |
-
1982
- 1982-06-10 JP JP8641482U patent/JPS58189307U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3413965A (en) * | 1967-07-13 | 1968-12-03 | Ford Motor Co | Mechanism for varying the operation of a reciprocating member |
| JPS55137306A (en) * | 1979-04-13 | 1980-10-27 | Nissan Motor Co Ltd | Valve lift for internal combustion engine |
| JPS6139049U (en) * | 1984-08-14 | 1986-03-12 | 象印マホービン株式会社 | electric pot |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0111931Y2 (en) | 1989-04-07 |
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