JPS58191361U - Fuel evaporative gas recovery device - Google Patents
Fuel evaporative gas recovery deviceInfo
- Publication number
- JPS58191361U JPS58191361U JP8972182U JP8972182U JPS58191361U JP S58191361 U JPS58191361 U JP S58191361U JP 8972182 U JP8972182 U JP 8972182U JP 8972182 U JP8972182 U JP 8972182U JP S58191361 U JPS58191361 U JP S58191361U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- ratio control
- evaporative gas
- recovery device
- 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
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (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図は従来装置の概略構成図、第２図は本考案の一実
施例を示す概略構成図、第３図は他の実施例を示す概略
構成図である。
５・・・負圧通路、７・・・排出通路、９・・・吸気マ
ニホールド、１２・・・排気センサ、１３・・・排気浄
化装置、２１・・・空燃比制御弁、２２・・・コントロ
ールユニット、２３・・・空燃比制御回路、２４・・・
判別回路、２５・・・検出回路、２６・・・電磁弁。FIG. 1 is a schematic block diagram of a conventional device, FIG. 2 is a schematic block diagram showing one embodiment of the present invention, and FIG. 3 is a schematic block diagram showing another embodiment. 5... Negative pressure passage, 7... Discharge passage, 9... Intake manifold, 12... Exhaust sensor, 13... Exhaust purification device, 21... Air-fuel ratio control valve, 22... Control unit, 23... Air-fuel ratio control circuit, 24...
Discrimination circuit, 25...detection circuit, 26... solenoid valve.
Claims (1)
センサの信号に基づき空燃比制御回路を介して吸気系の
空燃比制御弁を０Ｎ−ＯＦＦ作動させ、空燃比を目標値
にフィードバック制御するようにした内燃機関において
、燃料蒸発ガスを吸気マニホールドへ導入する通路と、
空燃比制御回路からの空燃比制御信号が所定時間デユー
ティ１００％であることを判別する手段と、どの判別手
段の信号に基づき前記蒸発ガスの吸気マニホールドへの
導入を停止する手段とを設けたことを特徴とする燃料蒸
発ガス回収装置。An exhaust sensor and an exhaust purification device are installed in the engine exhaust system, and based on the signal from the exhaust sensor, the air-fuel ratio control valve in the intake system is turned ON-OFF via the air-fuel ratio control circuit, and the air-fuel ratio is feedback-controlled to the target value. In such an internal combustion engine, a passage for introducing fuel evaporative gas into an intake manifold;
Means for determining whether the air-fuel ratio control signal from the air-fuel ratio control circuit has a duty of 100% for a predetermined period of time, and means for stopping the introduction of the evaporated gas into the intake manifold based on the signal from which determining means are provided. A fuel evaporative gas recovery device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8972182U JPS58191361U (en) | 1982-06-16 | 1982-06-16 | Fuel evaporative gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8972182U JPS58191361U (en) | 1982-06-16 | 1982-06-16 | Fuel evaporative gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58191361U true JPS58191361U (en) | 1983-12-19 |
Family
ID=30098312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8972182U Pending JPS58191361U (en) | 1982-06-16 | 1982-06-16 | Fuel evaporative gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58191361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1068359A (en) * | 1985-01-26 | 1998-03-10 | Robert Bosch Gmbh | Fuel tank exhaust device for internal combustion engine |
-
1982
- 1982-06-16 JP JP8972182U patent/JPS58191361U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1068359A (en) * | 1985-01-26 | 1998-03-10 | Robert Bosch Gmbh | Fuel tank exhaust device for internal combustion engine |
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