JPS61194708U - - Google Patents
Info
- Publication number
- JPS61194708U JPS61194708U JP7954485U JP7954485U JPS61194708U JP S61194708 U JPS61194708 U JP S61194708U JP 7954485 U JP7954485 U JP 7954485U JP 7954485 U JP7954485 U JP 7954485U JP S61194708 U JPS61194708 U JP S61194708U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- lift
- control
- torque
- intake 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図〜第５図はこの考案に係る内燃機関の吸
気弁リフト制御装置の一実施例を示す図であり、
第１図はその全体構成図、第２図は吸気弁の閉弁
時期とトルクとの関係を示すグラフ、第３図は駆
動信号と吸気弁の閉弁時期との関係を示すグラフ
、第４図Ａ〜Ｄは各信号のタイムチヤート、第５
図Ａ，Ｂ，Ｃはその制御プログラムを示す各フロ
ーチヤート、第６図はこの考案の他の実施例を示
すその全体構成図、第７図は従来の内燃機関のバ
ルブリフト制御装置を示すその断面図である。
３……吸気弁、１０……リフト制御カム、１０
Ａ……カム面、１１……カム制御軸、２８……リ
フト可変機構、３１……出力軸、３２……トルク
センサ（トルク検出手段）、３４……制御回路（
制御手段）、３６……アクチユエータ（駆動手段
）。
1 to 5 are diagrams showing an embodiment of an intake valve lift control device for an internal combustion engine according to this invention,
Figure 1 is its overall configuration diagram, Figure 2 is a graph showing the relationship between the intake valve closing timing and torque, Figure 3 is a graph showing the relationship between the drive signal and the intake valve closing timing, and Figure 4 is a graph showing the relationship between the drive signal and the intake valve closing timing. Figures A to D are time charts of each signal, 5th
Figures A, B, and C are flowcharts showing the control program, Figure 6 is an overall configuration diagram showing another embodiment of this invention, and Figure 7 is a diagram showing a conventional valve lift control device for an internal combustion engine. FIG. 3... Intake valve, 10... Lift control cam, 10
A...Cam surface, 11...Cam control shaft, 28...Lift variable mechanism, 31...Output shaft, 32...Torque sensor (torque detection means), 34...Control circuit (
control means), 36...actuator (drive means).
Claims (1)
応じて吸気弁のリフト特性を可変とする吸気弁リ
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所定位置に回動駆動する駆動
手段と、機関の出力軸のトルクを検出するトルク
検出手段と、トルク検出手段で検出したトルクが
全負荷運転時に最大値となるようにカム制御軸を
所定位置に回動するよう前記駆動手段を駆動、制
御する制御手段と、を備えたことを特徴とする内
燃機関の吸気リフト制御装置。 An intake valve lift variable mechanism that changes the lift characteristics of the intake valve according to changes in a lift control cam with a predetermined cam surface, and a cam control shaft that rotatably supports the lift control cam and drives it to a predetermined position. a torque detection means for detecting the torque of the output shaft of the engine; and a drive means for rotating the cam control shaft to a predetermined position so that the torque detected by the torque detection means reaches a maximum value during full load operation. An intake lift control device for an internal combustion engine, comprising: control means for driving and controlling the means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7954485U JPS61194708U (en) | 1985-05-27 | 1985-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7954485U JPS61194708U (en) | 1985-05-27 | 1985-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61194708U true JPS61194708U (en) | 1986-12-04 |
Family
ID=30624559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7954485U Pending JPS61194708U (en) | 1985-05-27 | 1985-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61194708U (en) |
-
1985
- 1985-05-27 JP JP7954485U patent/JPS61194708U/ja active Pending
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