JPS6024841U - Air fuel ratio control device - Google Patents

Air fuel ratio control device

Info

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
Application number
JP11772283U
Other languages
Japanese (ja)
Inventor
光雄 服部
Original Assignee
いすゞ自動車株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to JP11772283U priority Critical patent/JPS6024841U/en
Publication of JPS6024841U publication Critical patent/JPS6024841U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 単一の排気マニホールド内の酸素量を検出し、その検出
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.
JP11772283U 1983-07-27 1983-07-27 Air fuel ratio control device Pending JPS6024841U (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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