JPS61186709U - - Google Patents
Info
- Publication number
- JPS61186709U JPS61186709U JP7070085U JP7070085U JPS61186709U JP S61186709 U JPS61186709 U JP S61186709U JP 7070085 U JP7070085 U JP 7070085U JP 7070085 U JP7070085 U JP 7070085U JP S61186709 U JPS61186709 U JP S61186709U
- Authority
- JP
- Japan
- Prior art keywords
- intake valve
- closing timing
- knocking
- control
- variable means
- 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 2
- 230000001934 delay Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案の実施例における吸気弁閉弁時
期可変手段を示す断面図、第２図は同上の吸気弁
閉弁時期可変手段を示す平面図、第３図は同上の
吸気弁閉弁時期可変手段の要部分解斜視図、第４
図は同上の実施例における吸気弁リフト量とクラ
ンク角との関係を示すグラフ、第５図は同上の実
施例における運転状態に対する吸気弁リフト量の
可変域を示すグラフ、第６図は同上の実施例にお
ける制御回路を示すブロツク図、第７図は同上の
実施例における制御フローを示すフローチヤート
、第８図は同上の実施例におけるカム制御軸の回
転位置に対する出力値を示すグラフ、第９図は吸
気弁の閉弁時期とノツキング発生境界点火時期と
の関係を示すグラフ、第１０図は従来例を示す制
御フローチヤートである。
１１……吸気弁駆動カム、１２……吸気弁、１
３……ロツカアーム、１５……レバー、２０……
リフト制御カム、２０ａ〜２０ｅ……カム面、２
３……カム制御軸。
FIG. 1 is a sectional view showing the intake valve closing timing variable means in an embodiment of the present invention, FIG. 2 is a plan view showing the intake valve closing timing variable means same as above, and FIG. 4th exploded perspective view of main parts of timing variable means
The figure is a graph showing the relationship between the intake valve lift amount and the crank angle in the same embodiment as above, FIG. FIG. 7 is a flowchart showing the control flow in the above embodiment; FIG. 8 is a graph showing the output value versus rotational position of the cam control shaft in the above embodiment; FIG. The figure is a graph showing the relationship between the intake valve closing timing and the knocking occurrence boundary ignition timing, and FIG. 10 is a control flowchart showing a conventional example. 11...Intake valve drive cam, 12...Intake valve, 1
3...Rotsuka arm, 15...Lever, 20...
Lift control cam, 20a to 20e...cam surface, 2
3...Cam control axis.
Claims (1)
キング検出手段と、吸気弁の閉弁時期を可変する
吸気弁閉弁時期可変手段と、前記ノツキング検出
手段の出力信号に基づく所定レベル以上のノツキ
ング発生領域で前記吸気弁閉弁時期可変手段に作
用して吸気弁の閉弁時期を吸入下死点より遅らせ
る方向に作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ノツキング回避装置。 knocking detection means for detecting knocking occurring in the internal combustion engine; intake valve closing timing variable means for varying the closing timing of the intake valve; A knocking avoidance device for an internal combustion engine, comprising: control means that acts on an intake valve closing timing variable means to control the closing timing of the intake valve in a direction that delays the closing timing of the intake valve from intake bottom dead center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7070085U JPS61186709U (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7070085U JPS61186709U (en) | 1985-05-15 | 1985-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61186709U true JPS61186709U (en) | 1986-11-21 |
Family
ID=30607518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7070085U Pending JPS61186709U (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61186709U (en) |
-
1985
- 1985-05-15 JP JP7070085U patent/JPS61186709U/ja active Pending