JPS58100250U - Diesel engine exhaust recirculation device - Google Patents
Diesel engine exhaust recirculation deviceInfo
- Publication number
- JPS58100250U JPS58100250U JP19341281U JP19341281U JPS58100250U JP S58100250 U JPS58100250 U JP S58100250U JP 19341281 U JP19341281 U JP 19341281U JP 19341281 U JP19341281 U JP 19341281U JP S58100250 U JPS58100250 U JP S58100250U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- exhaust recirculation
- throttle valve
- passage
- actuator
- 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.)
- Granted
Links
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Output Control And Ontrol Of Special Type 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図は本考案装置の実施例を示す概略図、第２図は絞
り弁作動用のアクチュエータおよび補正装置の拡大図、
第３図はアクチュエータおよび補正装置の別の実施例を
示す拡大図である。
１・・・・・・ディーゼルエンジン本体、２・・・・・
・吸気通路、３・・・・・・排気通路、４・・・・・・
排気環流通路、５・・−・・・排気環流弁、６・・・・
・・絞り弁、８・・・・・・アクチュエータ、９・・・
・・・補正装置、１５・・・・・・制御回路。Fig. 1 is a schematic diagram showing an embodiment of the device of the present invention, Fig. 2 is an enlarged view of an actuator for operating the throttle valve and a correction device;
FIG. 3 is an enlarged view showing another embodiment of the actuator and correction device. 1... Diesel engine body, 2...
・Intake passage, 3...Exhaust passage, 4...
Exhaust recirculation passage, 5...Exhaust recirculation valve, 6...
... Throttle valve, 8... Actuator, 9...
. . . Correction device, 15 . . . Control circuit.
Claims (1)
路を備えるとともに、吸気通路の該排気−環流通路開口
部より上流に絞り弁を配設し、排気環流時に該絞り弁を
所定開度閉じる構成としてなるディーゼルエンジンの排
気軸流装置において、排気環流通路を開閉する排気環流
弁と、上記絞り弁を所定開度閉じる方向に駆動するアク
チュエータと、上記排気環流弁およびアクチュエータに
作動信号を出力する制御回路と、上記絞り弁下流の吸気
通路圧力ば応じて上記アクチュエータによる絞り弁開度
を補正する補正装置とを備え、該補正装置によりアクチ
ュエータ作動時に絞り弁下流の吸気通路圧力をはＳ゛一
定に保持する構成としたことを特徴とするディーゼルエ
ンジンの排気環流装置。An exhaust recirculation passage that communicates the exhaust passage and intake passage of the engine is provided, and a throttle valve is disposed upstream of the opening of the exhaust-recirculation passage in the intake passage, and the throttle valve is closed to a predetermined opening during exhaust recirculation. In an exhaust axial flow device for a diesel engine, an exhaust recirculation valve opens and closes an exhaust recirculation passage, an actuator that drives the throttle valve in a direction to close it to a predetermined opening, and a control that outputs an operating signal to the exhaust recirculation valve and the actuator. circuit, and a correction device for correcting the opening degree of the throttle valve by the actuator in accordance with the intake passage pressure downstream of the throttle valve, and the correction device keeps the intake passage pressure downstream of the throttle valve constant S when the actuator is operated. An exhaust recirculation device for a diesel engine, characterized in that the exhaust recirculation device is configured to hold the exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19341281U JPS58100250U (en) | 1981-12-28 | 1981-12-28 | Diesel engine exhaust recirculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19341281U JPS58100250U (en) | 1981-12-28 | 1981-12-28 | Diesel engine exhaust recirculation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58100250U true JPS58100250U (en) | 1983-07-07 |
| JPS624663Y2 JPS624663Y2 (en) | 1987-02-03 |
Family
ID=30106767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19341281U Granted JPS58100250U (en) | 1981-12-28 | 1981-12-28 | Diesel engine exhaust recirculation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58100250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000034955A (en) * | 1998-07-21 | 2000-02-02 | Nissan Diesel Motor Co Ltd | Exhaust circulation device |
-
1981
- 1981-12-28 JP JP19341281U patent/JPS58100250U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000034955A (en) * | 1998-07-21 | 2000-02-02 | Nissan Diesel Motor Co Ltd | Exhaust circulation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS624663Y2 (en) | 1987-02-03 |
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