JPS61128347U - - Google Patents
Info
- Publication number
- JPS61128347U JPS61128347U JP1135485U JP1135485U JPS61128347U JP S61128347 U JPS61128347 U JP S61128347U JP 1135485 U JP1135485 U JP 1135485U JP 1135485 U JP1135485 U JP 1135485U JP S61128347 U JPS61128347 U JP S61128347U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel injection
- air
- injection amount
- load 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成、機能を示すブロツク図
、第２図は本考案の一実施例の構成を示す図、第
３図は同上実施例による空燃比制御ルーチンを示
すフローチヤート、第４図は同上実施例により制
御される基本噴射量と空燃比との関係を示す線図
である。
１……内燃機関、２……吸気通路、４……スロ
ツトルセンサ、５……エアフロメータ、６……燃
料噴射弁、７……クランク角センサ、９……コン
トロールユニツト。
FIG. 1 is a block diagram showing the configuration and functions of the present invention, FIG. 2 is a diagram showing the configuration of an embodiment of the present invention, FIG. 3 is a flowchart showing an air-fuel ratio control routine according to the above embodiment, and FIG. The figure is a diagram showing the relationship between the basic injection amount and the air-fuel ratio controlled by the embodiment. DESCRIPTION OF SYMBOLS 1... Internal combustion engine, 2... Intake passage, 4... Throttle sensor, 5... Air flow meter, 6... Fuel injection valve, 7... Crank angle sensor, 9... Control unit.
Claims (1)
る電磁式の燃料噴射弁からの燃料噴射量を制御し
て混合気の空燃比を制御してなる内燃機関の空燃
比制御装置において、機関の負荷状態を検出する
手段と、機関の所定値以下の低・中負荷状態検出
時にはλ（空気過剰率）＞１となるように燃料噴
射量を設定する手段と、前記所定値を上回る高負
荷状態検出時にはλ≦１となるように燃料噴射量
を設定する手段と、これら燃料噴射量設定手段か
らの信号に応じて前記燃料噴射弁を通電駆動して
設定量の燃料を噴射供給させることにより空燃比
をフイードフオワード制御する手段とを設けたこ
とを特徴とする内燃機関の空燃比制御装置。 An air-fuel ratio control device for an internal combustion engine that controls the air-fuel ratio of a mixture by controlling the amount of fuel injected from an electromagnetic fuel injection valve installed in the intake system of the engine according to engine operating conditions. means for detecting a load state; means for setting a fuel injection amount so that λ (excess air ratio) > 1 when detecting a low/medium load state of the engine below a predetermined value; and a high load state exceeding the predetermined value. At the time of detection, the fuel injection amount is set by means for setting the fuel injection amount so that λ≦1, and the fuel injection valve is energized and driven in response to signals from these fuel injection amount setting means to inject and supply the set amount of fuel. 1. An air-fuel ratio control device for an internal combustion engine, comprising means for feedforward controlling a fuel ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1135485U JPS61128347U (en) | 1985-01-31 | 1985-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1135485U JPS61128347U (en) | 1985-01-31 | 1985-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61128347U true JPS61128347U (en) | 1986-08-12 |
Family
ID=30493399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1135485U Pending JPS61128347U (en) | 1985-01-31 | 1985-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61128347U (en) |
-
1985
- 1985-01-31 JP JP1135485U patent/JPS61128347U/ja active Pending
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