JPS6018239U - Air fuel ratio control device - Google Patents
Air fuel ratio control deviceInfo
- Publication number
- JPS6018239U JPS6018239U JP10955483U JP10955483U JPS6018239U JP S6018239 U JPS6018239 U JP S6018239U JP 10955483 U JP10955483 U JP 10955483U JP 10955483 U JP10955483 U JP 10955483U JP S6018239 U JPS6018239 U JP S6018239U
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- air
- control device
- 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
- Control Of The Air-Fuel Ratio Of Carburetors (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の制御回路における信号波形図、第２図は
本考案の実施例を示す制御回路のブロック図、第３図は
同回路各部の信号波形図を表わす。
２・・・酸素センサ、３・・・比較回路、４・・・積分
回路、５・・・ピークホールド回路、９・・・アクチュ
エータ、１０・・・キャブレタ、１１・・・回転センサ
、１７・・・ス□ロットルセンサ、１８・・・吸気圧セ
ンサ、１９・・・水温センサ、３０・・・制御回路。
第１図
第３図FIG. 1 is a signal waveform diagram of a conventional control circuit, FIG. 2 is a block diagram of a control circuit showing an embodiment of the present invention, and FIG. 3 is a signal waveform diagram of various parts of the circuit. 2... Oxygen sensor, 3... Comparison circuit, 4... Integrating circuit, 5... Peak hold circuit, 9... Actuator, 10... Carburetor, 11... Rotation sensor, 17... ... Throttle sensor, 18... Intake pressure sensor, 19... Water temperature sensor, 30... Control circuit. Figure 1 Figure 3
Claims (1)
酸素センサと、内燃機関のアイドル状態を検出するアイ
ドル検出手段と、燃料供給量を調整し空燃比を制御する
アクチュエータと、前記酸素センサからの検出信号に基
づき空燃比を理論空燃比近傍にフィードバック制御する
制御信号を前７ 記アクチュエータに出力する制御回路
を備えた空燃比制御装置において、前記アイドル検出手
段がアイドル状態を検出した状態で前記酸素センサから
空燃比のリーン状態を示す検出信号が出力された時、前
記制御信号のその時の状態を保持するピークホール１手
段を前記制御回路に設けたことを特徴とする空燃比制御
装置。an oxygen sensor that detects an air-fuel ratio from the oxygen concentration in exhaust gas of an internal combustion engine; an idle detection means that detects an idle state of the internal combustion engine; an actuator that adjusts the fuel supply amount and controls the air-fuel ratio; In the air-fuel ratio control device, the air-fuel ratio control device includes a control circuit that outputs a control signal to the actuator as described above for feedback controlling the air-fuel ratio to near the stoichiometric air-fuel ratio based on the detection signal of An air-fuel ratio control device characterized in that the control circuit is provided with a peak hole 1 means for maintaining the current state of the control signal when a detection signal indicating a lean state of the air-fuel ratio is output from the oxygen sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10955483U JPS6018239U (en) | 1983-07-14 | 1983-07-14 | Air fuel ratio control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10955483U JPS6018239U (en) | 1983-07-14 | 1983-07-14 | Air fuel ratio control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6018239U true JPS6018239U (en) | 1985-02-07 |
Family
ID=30255151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10955483U Pending JPS6018239U (en) | 1983-07-14 | 1983-07-14 | Air fuel ratio control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6018239U (en) |
-
1983
- 1983-07-14 JP JP10955483U patent/JPS6018239U/en active Pending
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