JPS59102960U - Diesel engine exhaust recirculation device - Google Patents
Diesel engine exhaust recirculation deviceInfo
- Publication number
- JPS59102960U JPS59102960U JP20202182U JP20202182U JPS59102960U JP S59102960 U JPS59102960 U JP S59102960U JP 20202182 U JP20202182 U JP 20202182U JP 20202182 U JP20202182 U JP 20202182U JP S59102960 U JPS59102960 U JP S59102960U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust recirculation
- exhaust
- passage
- recirculation
- diesel engine
- 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
- Exhaust-Gas Circulating Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- 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図は本考案装置の第１実施例を示す全体概略図、第
２図は同装置における制御回路の動作をフローチャート
的に示す説明図、第３図は本考案装置の第２実施例を示
す全体概略図、第４図は同装置における制御回路の動作
をフローチャート的に示す説明図である。
１・・・ディーゼルエンジンのシリンダ、２・・・吸気
通路、３・・・排気通路、４・・・排気還流装置、５・
・・排気還流弁、１０・・・吸気絞弁、２０． ２０’
・・・制御回路、２４・・・圧力センサ、２５・・・ポ
ジションセンサ、５１・・・バイパス吸気通路、５２・
・・バイパス吸気通路開閉弁。Fig. 1 is an overall schematic diagram showing the first embodiment of the device of the present invention, Fig. 2 is an explanatory diagram showing the operation of the control circuit in the device in a flowchart, and Fig. 3 is a diagram showing the second embodiment of the device of the present invention. The overall schematic diagram shown in FIG. 4 is an explanatory diagram showing the operation of the control circuit in the same device in the form of a flowchart. DESCRIPTION OF SYMBOLS 1... Diesel engine cylinder, 2... Intake passage, 3... Exhaust passage, 4... Exhaust recirculation device, 5...
...Exhaust recirculation valve, 10...Intake throttle valve, 20. 20'
... Control circuit, 24 ... Pressure sensor, 25 ... Position sensor, 51 ... Bypass intake passage, 52 ...
...Bypass intake passage opening/closing valve.
Claims (1)
還流通路を開閉する排気還流弁を設けるとともに、排気
還流通路の吸気通路側開口部より上流の吸気絞弁を設け
、排気還流時に排気還流弁を開くとともに、吸気絞弁を
閉じる構成としたディーゼルエンジンの排気還流装置に
おいて、排気還流弁および吸絞弁の少なくとも一方の作
動状態を検出する作動検出装置と、該作動検出装置の出
力により、吸気絞弁下流の吸気通路内圧力が所定以下の
状態を検出して、エンジンのシリンダ内に導入されるエ
ア供給量を増大させる制御装置とを設けたことを特徴と
するディーゼルエンジンの排気還流装置、An exhaust recirculation valve that opens and closes the exhaust recirculation passage is provided in the exhaust recirculation passage that connects the intake passage and the exhaust passage, and an intake throttle valve is provided upstream of the intake passage side opening of the exhaust recirculation passage to prevent exhaust recirculation during exhaust recirculation. In an exhaust gas recirculation system for a diesel engine configured to open a valve and close an intake throttle valve, an operation detection device detects the operating state of at least one of the exhaust recirculation valve and the intake throttle valve, and an output of the operation detection device, An exhaust gas recirculation device for a diesel engine, comprising a control device that detects a state in which the pressure in an intake passage downstream of an intake throttle valve is below a predetermined value and increases the amount of air supplied into the cylinders of the engine. ,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20202182U JPS59102960U (en) | 1982-12-27 | 1982-12-27 | Diesel engine exhaust recirculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20202182U JPS59102960U (en) | 1982-12-27 | 1982-12-27 | Diesel engine exhaust recirculation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59102960U true JPS59102960U (en) | 1984-07-11 |
Family
ID=30427501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20202182U Pending JPS59102960U (en) | 1982-12-27 | 1982-12-27 | Diesel engine exhaust recirculation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59102960U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578344A (en) * | 1980-06-20 | 1982-01-16 | Hitachi Ltd | Exhaust gas recirculating device for diesel engine |
-
1982
- 1982-12-27 JP JP20202182U patent/JPS59102960U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578344A (en) * | 1980-06-20 | 1982-01-16 | Hitachi Ltd | Exhaust gas recirculating device for diesel engine |
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