JPS6261908U - - Google Patents
Info
- Publication number
- JPS6261908U JPS6261908U JP15492785U JP15492785U JPS6261908U JP S6261908 U JPS6261908 U JP S6261908U JP 15492785 U JP15492785 U JP 15492785U JP 15492785 U JP15492785 U JP 15492785U JP S6261908 U JPS6261908 U JP S6261908U
- Authority
- JP
- Japan
- Prior art keywords
- lift
- exhaust valve
- showing
- intake
- valve 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案に係る吸・排気弁リフト制御装
置を示すその基本概念図、第２図は本考案の一実
施例を示すその可変リフト機構の縦断面図、第３
図はその要部を示す平面図、第４図はそのリフト
制御カムの取付部を示す分解斜視図、第５図はそ
の制御回路の構成を示すブロツク図、第６図はエ
ンジン回転速度とスロツトル開度とによる目標位
置フラグ（Ｆｐｏｓ）の割り付けを示すグラフ、
第７図はカム制御軸の回転角とポテンシヨ出力及
び現在位置フラグとの関係を示すグラフ、第８図
はその可変リフト機構による弁リフト特性を示す
グラフ、第９図は可変リフト機構による吸・排気
弁の弁リフト特性の制御プログラムを示すフロー
チヤート、第１０図は従来の吸・排気弁リフト制
御装置を示すその概略全体図、第１１図はその要
部を示す縦断面図、第１２図は第１１図における
方向矢視図である。
２１……減速検出手段、２２……制御手段、２
３……可変リフト機構。
Fig. 1 is a basic conceptual diagram showing an intake/exhaust valve lift control device according to the present invention, Fig. 2 is a vertical sectional view of the variable lift mechanism showing an embodiment of the invention, and Fig. 3
The figure is a plan view showing the main parts, Figure 4 is an exploded perspective view showing the mounting part of the lift control cam, Figure 5 is a block diagram showing the configuration of the control circuit, and Figure 6 is the engine rotation speed and throttle. Graph showing allocation of target position flag (F pos ) according to opening degree,
Fig. 7 is a graph showing the relationship between the rotation angle of the cam control shaft, the potentiometer output, and the current position flag, Fig. 8 is a graph showing the valve lift characteristics due to the variable lift mechanism, and Fig. 9 is a graph showing the valve lift characteristics due to the variable lift mechanism. A flowchart showing a control program for the valve lift characteristics of an exhaust valve, Fig. 10 is a schematic overall view showing a conventional intake/exhaust valve lift control device, Fig. 11 is a vertical cross-sectional view showing the main parts thereof, Fig. 12 is a directional view in FIG. 11; 21...Deceleration detection means, 22...Control means, 2
3...Variable lift mechanism.
Claims (1)
、減速運転時低リフト信号を出力する制御手段と
、該低リフト信号に基づいて吸・排気弁の弁リフ
ト量を小とする可変リフト機構と、を備えたこと
を特徴とする内燃機関の吸・排気弁リフト制御装
置。 a deceleration detection means for detecting a deceleration operation state of the engine; a control means for outputting a low lift signal during deceleration operation; and a variable lift mechanism for reducing the valve lift amount of the intake/exhaust valve based on the low lift signal; An intake/exhaust valve lift control device for an internal combustion engine, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15492785U JPS6261908U (en) | 1985-10-09 | 1985-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15492785U JPS6261908U (en) | 1985-10-09 | 1985-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6261908U true JPS6261908U (en) | 1987-04-17 |
Family
ID=31075161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15492785U Pending JPS6261908U (en) | 1985-10-09 | 1985-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6261908U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04187806A (en) * | 1990-11-21 | 1992-07-06 | Nissan Motor Co Ltd | Internal combustion engine control device |
| JP2003106176A (en) * | 2001-09-28 | 2003-04-09 | Nissan Motor Co Ltd | Intake control device for internal combustion engine |
| JP2009108722A (en) * | 2007-10-29 | 2009-05-21 | Nissan Motor Co Ltd | Variable valve mechanism control apparatus for internal combustion engine |
-
1985
- 1985-10-09 JP JP15492785U patent/JPS6261908U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04187806A (en) * | 1990-11-21 | 1992-07-06 | Nissan Motor Co Ltd | Internal combustion engine control device |
| JP2003106176A (en) * | 2001-09-28 | 2003-04-09 | Nissan Motor Co Ltd | Intake control device for internal combustion engine |
| JP2009108722A (en) * | 2007-10-29 | 2009-05-21 | Nissan Motor Co Ltd | Variable valve mechanism control apparatus for internal combustion engine |