JPS6024841U - Air fuel ratio control device - Google Patents
Air fuel ratio control deviceInfo
- Publication number
- JPS6024841U JPS6024841U JP11772283U JP11772283U JPS6024841U JP S6024841 U JPS6024841 U JP S6024841U JP 11772283 U JP11772283 U JP 11772283U JP 11772283 U JP11772283 U JP 11772283U JP S6024841 U JPS6024841 U JP S6024841U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- fuel injection
- fuel ratio
- ratio control
- air fuel
- 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
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は空燃比と燃費率及びＮＯｘの排出量との間の関
係を説明するためのグラフ、第２図は０２センサの特性
を示すグラフ、第３図はこの考案の一実施例を示すブロ
ック図、第４図はこの考案の要部の具体的な実施例を示
すブロック図、第５図は第４図の動作を説明するための
波形図である。
１：エンジン、２：吸気マニホールド、３ａ〜３ｄ：燃
料噴射弁、４：スロットルバルブ、５ａ〜５ｄ：排気マ
ニホールド、６：酸素量検出センサ、７：燃料コントロ
ールユニット、８．１０：増幅器、９：補正回路。
１− トーーーーーコ
−□□□□□口口□Figure 1 is a graph for explaining the relationship between air-fuel ratio, fuel efficiency and NOx emissions, Figure 2 is a graph showing the characteristics of the 02 sensor, and Figure 3 is an example of this invention. FIG. 4 is a block diagram showing a specific embodiment of the main part of this invention, and FIG. 5 is a waveform diagram for explaining the operation of FIG. 4. 1: Engine, 2: Intake manifold, 3a-3d: Fuel injection valve, 4: Throttle valve, 5a-5d: Exhaust manifold, 6: Oxygen amount detection sensor, 7: Fuel control unit, 8.10: Amplifier, 9: correction circuit. 1- Too-oo-ko-□□□□□口口□
Claims (1)
出力により上記単一排気マニホールドに対応した燃料噴
射弁に対し空気過剰率が１となるようにル制御する閉ル
ープ制御手段を設け、他の燃料噴射弁に対しては上記燃
料噴射弁の燃料噴射量より一定の割合で少ない噴射量と
なるように制御する開ループ制御手段を設けて成る空燃
比制御装置。A closed loop control means is provided which detects the amount of oxygen in a single exhaust manifold and uses the detection output to control the fuel injection valve corresponding to the single exhaust manifold so that the excess air ratio becomes 1. An air-fuel ratio control device comprising open loop control means for controlling a fuel injection valve so that the injection amount is smaller at a constant rate than the fuel injection amount of the fuel injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11772283U JPS6024841U (en) | 1983-07-27 | 1983-07-27 | Air fuel ratio control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11772283U JPS6024841U (en) | 1983-07-27 | 1983-07-27 | Air fuel ratio control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6024841U true JPS6024841U (en) | 1985-02-20 |
Family
ID=30270880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11772283U Pending JPS6024841U (en) | 1983-07-27 | 1983-07-27 | Air fuel ratio control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6024841U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5297024A (en) * | 1976-02-09 | 1977-08-15 | Nissan Motor Co Ltd | Air fuel ratio controller |
| JPS57148042A (en) * | 1981-03-09 | 1982-09-13 | Mazda Motor Corp | Air-fuel ratio controller for multi-cylinder engine |
-
1983
- 1983-07-27 JP JP11772283U patent/JPS6024841U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5297024A (en) * | 1976-02-09 | 1977-08-15 | Nissan Motor Co Ltd | Air fuel ratio controller |
| JPS57148042A (en) * | 1981-03-09 | 1982-09-13 | Mazda Motor Corp | Air-fuel ratio controller for multi-cylinder engine |
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