JPS5896030U - Air-fuel ratio control device for internal combustion engines - Google Patents
Air-fuel ratio control device for internal combustion enginesInfo
- Publication number
- JPS5896030U JPS5896030U JP19242181U JP19242181U JPS5896030U JP S5896030 U JPS5896030 U JP S5896030U JP 19242181 U JP19242181 U JP 19242181U JP 19242181 U JP19242181 U JP 19242181U JP S5896030 U JPS5896030 U JP S5896030U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- internal combustion
- control device
- intake air
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示すもので、第１図は空燃比
制御装置の全体の構成を示す説明図、第２図は制御回路
の回路図、第３図イはフューエルカットバルブの作動状
態を示す作動線図、第３図ロバエレクトリックエアーコ
ントロールバルブへ供給される電圧を示すタイムチャー
ト、第３図ハは吸気温度センサからの出力信号を示すタ
イムチャート、第３Ｎ：は０２センサからの出力信号を
示すタイムチャート、第３図ホは第１負圧スイツチから
の出力信号を示すタイムチャート、第３図 −へは第２
負圧スイツチからの出力信号を示すタイムチャート、第
３図トはエンジン回転数センサからの出力信号を示すタ
イムチャート、第３図チはスイッチングレギュレータか
らの出力信号を示すタイムチャート、第３図りは車速を
示すタイムチャートである。
４・・・・・・吸気温度センサ、１０・・・・・・制御
回路、１１・・・・・・エレクトリックエアーコントロ
ールバルブ。
第２図
： 順
：°＾品…
°２１〒１
５１す正−一長ン巾−
・蓄−＝７
８需Ｖ１
Ｌ−−−一二一一−The drawings show one embodiment of the present invention; Fig. 1 is an explanatory diagram showing the overall configuration of the air-fuel ratio control device, Fig. 2 is a circuit diagram of the control circuit, and Fig. 3 A shows the operation of the fuel cut valve. Fig. 3 is a time chart showing the voltage supplied to the electric air control valve; Fig. 3 C is a time chart showing the output signal from the intake air temperature sensor; 3rd N: is the output signal from the 02 sensor. A time chart showing the output signal; Fig. 3 (e) shows a time chart showing the output signal from the first negative pressure switch; Fig. 3 - to "2"
A time chart showing the output signal from the negative pressure switch, a time chart showing the output signal from the engine rotation speed sensor, a time chart showing the output signal from the switching regulator, and a time chart showing the output signal from the switching regulator. It is a time chart showing vehicle speed. 4... Intake air temperature sensor, 10... Control circuit, 11... Electric air control valve. Figure 2: Order: ° ＾ Product... ° 21〒1 51 square - 1 length - ・Storage - = 7 8 demand V1 L - - 1211 -
Claims (1)
ルバルブの下流側へ空気を導入するためのｆ路に介装さ
れたエレクトリックエアーコントロールバルブと、吸気
温度を検出するための吸気温度センサと、前記０２セン
サおよび吸気温度センサからの信号によって前記エアー
コントロールバルブの開度量を制御する制御回路とを有
する内燃機関の空燃比制御装置であって、前記制御回路
は前記吸気温度が所定温度より高くなったときには前記
電磁弁の開度量を大とする機能を有することを特徴とす
る内燃機関の空燃比制御装置。02 secessor provided in the exhaust system of the engine, an electric air control valve interposed in the f path for introducing air to the downstream side of the throttle valve, and an intake air temperature sensor for detecting the intake air temperature; 02 sensor and a control circuit that controls the opening amount of the air control valve according to signals from an intake air temperature sensor, the control circuit controlling the air fuel ratio when the intake air temperature becomes higher than a predetermined temperature. An air-fuel ratio control device for an internal combustion engine, characterized in that the device sometimes has a function of increasing the opening amount of the solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19242181U JPS5896030U (en) | 1981-12-22 | 1981-12-22 | Air-fuel ratio control device for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19242181U JPS5896030U (en) | 1981-12-22 | 1981-12-22 | Air-fuel ratio control device for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5896030U true JPS5896030U (en) | 1983-06-29 |
Family
ID=30105834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19242181U Pending JPS5896030U (en) | 1981-12-22 | 1981-12-22 | Air-fuel ratio control device for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5896030U (en) |
-
1981
- 1981-12-22 JP JP19242181U patent/JPS5896030U/en active Pending
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