JPS6261909U - - Google Patents
Info
- Publication number
- JPS6261909U JPS6261909U JP15492885U JP15492885U JPS6261909U JP S6261909 U JPS6261909 U JP S6261909U JP 15492885 U JP15492885 U JP 15492885U JP 15492885 U JP15492885 U JP 15492885U JP S6261909 U JPS6261909 U JP S6261909U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- shaft
- control
- lift
- operating state
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
Description
第１図〜第５図はこの考案に係る内燃機関の吸
・排気弁リフト制御装置の一実施例を示す図であ
り、第１図は吸・排気弁リフト可変機構の断面図
、第２図は吸・排気弁リフト可変機構の部分断面
およびアクチユエータを示す図、第３図Ａはアク
チユエータおよびポテンシヨメータの部分断面図
、第３図Ｂは第３図ＡのＢ―Ｂ矢視図、第４
図はバルブリフト特性を示すグラフ、第５図はポ
テンシヨメータ軸の回転角度とポテンシヨメータ
の出力値との関係を示す図である。
１２……吸・排気弁、２０……リフト制御カム
、２０ａ〜２０ｆ……カム面、２１……カム制御
軸、２６……アクチユエータ（駆動手段）、２６
ｂ……駆動軸、２７……制御回路（制御手段）、
３０……ポテンシヨメータ（位置検出手段）、３
０ａ……軸（延長軸）、３６……ネジ（係止手段
）、３７……係止部材（係止手段）。
1 to 5 are diagrams showing an embodiment of the intake/exhaust valve lift control device for an internal combustion engine according to this invention, and FIG. 1 is a sectional view of the variable intake/exhaust valve lift mechanism, and FIG. 3A is a partial sectional view of the actuator and actuator of the variable intake/exhaust valve lift mechanism, FIG. 4
The figure is a graph showing valve lift characteristics, and FIG. 5 is a diagram showing the relationship between the rotation angle of the potentiometer shaft and the output value of the potentiometer. 12... Intake/exhaust valve, 20... Lift control cam, 20a to 20f... Cam surface, 21... Cam control shaft, 26... Actuator (driving means), 26
b... Drive shaft, 27... Control circuit (control means),
30... Potentiometer (position detection means), 3
0a... shaft (extension shaft), 36... screw (locking means), 37... locking member (locking means).
Claims (1)
的変化に応じてリフト特性を可変とする吸・排気
弁リフト可変機構と、リフト制御カムを回動可能
に支持するカム制御軸をその駆動軸を介して所定
カム面に回動変化させる駆動手段と、エンジンの
運転状態を検出する運転状態検出手段と、前記カ
ム制御軸に前記駆動軸を介して連結される延長軸
の位置を検出する位置検出手段と、エンジンの運
転状態および延長軸の位置に応じて所定のカム面
を選択するよう駆動手段を駆動、制御する制御手
段と、を備えた内燃機関の吸・排気弁リフト制御
装置において、前記延長軸の回動量を規制すると
ともに回動位置の位置決めをする係止手段を設け
たことを特徴とする内燃機関の吸・排気弁リフト
制御装置。 A variable intake/exhaust valve lift mechanism that changes lift characteristics according to stepwise changes in a lift control cam having multiple cam surfaces, a cam control shaft that rotatably supports the lift control cam, and a drive shaft for the cam control shaft that rotatably supports the lift control cam. a driving means for rotating the cam to a predetermined cam surface through the cam, an operating state detecting means for detecting the operating state of the engine, and a position detecting means for detecting the position of an extension shaft connected to the cam control shaft via the drive shaft. and a control means for driving and controlling the drive means to select a predetermined cam surface depending on the operating state of the engine and the position of the extension shaft. An intake/exhaust valve lift control device for an internal combustion engine, characterized in that a locking means is provided for regulating the amount of rotation of an extension shaft and for determining the rotation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985154928U JPH0350249Y2 (en) | 1985-10-09 | 1985-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985154928U JPH0350249Y2 (en) | 1985-10-09 | 1985-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6261909U true JPS6261909U (en) | 1987-04-17 |
| JPH0350249Y2 JPH0350249Y2 (en) | 1991-10-28 |
Family
ID=31075163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985154928U Expired JPH0350249Y2 (en) | 1985-10-09 | 1985-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0350249Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026109A (en) * | 1983-07-21 | 1985-02-09 | Nissan Motor Co Ltd | Intake/exhaust valve driving device of internal- combustion engine |
-
1985
- 1985-10-09 JP JP1985154928U patent/JPH0350249Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026109A (en) * | 1983-07-21 | 1985-02-09 | Nissan Motor Co Ltd | Intake/exhaust valve driving device of internal- combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0350249Y2 (en) | 1991-10-28 |