JPS6441629U - - Google Patents
Info
- Publication number
- JPS6441629U JPS6441629U JP13725987U JP13725987U JPS6441629U JP S6441629 U JPS6441629 U JP S6441629U JP 13725987 U JP13725987 U JP 13725987U JP 13725987 U JP13725987 U JP 13725987U JP S6441629 U JPS6441629 U JP S6441629U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- engine
- opens
- intake port
- 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 3
- 238000010586 diagram Methods 0.000 description 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を示す断面図、第２図
Ａ，Ｂは第１、第２吸気弁の開閉時期を示す説明
図、第３図Ａ，Ｂは第２吸気弁の作動特性をあら
わす説明図である。
３……ピストン、４……第１吸気ポート、５…
…第１吸気弁、６……第２吸気ポート、７……第
２吸気弁、９……排気弁、１２……アクチユエー
タ、１３……制御回路、１４……回転数センサ、
１５……負荷センサ。
Fig. 1 is a sectional view showing an embodiment of the present invention, Figs. 2 A and B are explanatory diagrams showing the opening/closing timing of the first and second intake valves, and Figs. 3 A and B are operating characteristics of the second intake valve. FIG. 3... Piston, 4... First intake port, 5...
... first intake valve, 6 ... second intake port, 7 ... second intake valve, 9 ... exhaust valve, 12 ... actuator, 13 ... control circuit, 14 ... rotation speed sensor,
15...Load sensor.
Claims (1)
の吸気ポートを設け、かつ第１の吸気ポートを機
関吸入行程で開く第１の吸気弁と、第２の吸気ポ
ートをアクチユエータを介して第１の吸気弁の開
弁後に開いて同じく閉弁後に閉じる第２の吸気弁
を設け、機関運転状態を検出する手段からの信号
に基づき低中負荷域に比較して高負荷域での吸気
充填率を高めるように前記アクチユエータの作動
を制御する制御回路を設けたことを特徴する内燃
機関の吸気制御装置。 A first intake port communicating with the engine combustion chamber and a second intake port communicating with the engine combustion chamber.
A first intake valve which opens the first intake port during the engine intake stroke, and a second intake port which opens after the first intake valve is opened and also opens after the valve closes via an actuator. A control circuit that includes a second intake valve that closes and controls the operation of the actuator so as to increase the intake air filling rate in a high load range compared to a low to medium load range based on a signal from a means for detecting an engine operating state. An intake control device for an internal combustion engine, characterized in that it is provided with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13725987U JPS6441629U (en) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13725987U JPS6441629U (en) | 1987-09-08 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6441629U true JPS6441629U (en) | 1989-03-13 |
Family
ID=31398521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13725987U Pending JPS6441629U (en) | 1987-09-08 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6441629U (en) |
-
1987
- 1987-09-08 JP JP13725987U patent/JPS6441629U/ja active Pending
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