JPS6121858U - Diesel engine exhaust gas recirculation control device - Google Patents
Diesel engine exhaust gas recirculation control deviceInfo
- Publication number
- JPS6121858U JPS6121858U JP10565584U JP10565584U JPS6121858U JP S6121858 U JPS6121858 U JP S6121858U JP 10565584 U JP10565584 U JP 10565584U JP 10565584 U JP10565584 U JP 10565584U JP S6121858 U JPS6121858 U JP S6121858U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas recirculation
- control device
- diesel engine
- engine exhaust
- 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)
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
【図面の簡単な説明】
第１図は、本考案に係るディーゼルエンジンの排気ガス
再循環制御装置が採用された、自動車用電子制御ディー
ゼルエンジンの排気ガス再循環装置の実施例の構成を示
す、一部断面図及びブロック線図を含む管路図、第２図
は、前記実施例で用いられている電子制御ユニットの構
成を示すブロック線図、第３図は、同じく、負圧切換弁
を制御するための処理手順を示す流れ図である。
１０・・・ディーゼルエンジン、１６・・・排気ガス再
循環通路（ＥＧＲ通路）、１８・・・排気ガス再循環量
制御弁（ＥＧＲ弁）、１９・・・制御負圧通路、２２・
・・圧力制御弁、２４・・・負荷センサ、２６・・・回
転センサ、Ｎ・・・エンジン回転数、ｄＮ ／ｄ ｔ・
・・回転数変化率、２８・・・電子制御ユニット（ＥＣ
Ｕ）、３２・・・負圧切換弁、Ｋ・・・設定値。[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 shows the configuration of an embodiment of an exhaust gas recirculation device for an electronically controlled diesel engine for automobiles, in which the exhaust gas recirculation control device for a diesel engine according to the present invention is adopted. FIG. 2 is a block diagram showing the configuration of the electronic control unit used in the above embodiment; FIG. 3 is a pipeline diagram including a partial cross-sectional view and a block diagram; It is a flowchart which shows the processing procedure for control. DESCRIPTION OF SYMBOLS 10... Diesel engine, 16... Exhaust gas recirculation passage (EGR passage), 18... Exhaust gas recirculation amount control valve (EGR valve), 19... Control negative pressure passage, 22.
...Pressure control valve, 24...Load sensor, 26...Rotation sensor, N...Engine rotation speed, dN/dt.
...Revolution speed change rate, 28...Electronic control unit (EC
U), 32...Negative pressure switching valve, K...Setting value.
Claims (1)
通路と、 該排気ガス再循環通路を流れる排気ガス流量を制御する
排気ガス再循環量制御弁と、 エンジン負荷と回転数に応じて前記排気ガス再循環量制
御弁を制御する排気ガス再循環制御手段と、 エンジン回転数の変化率を検出するための手段と、 該エンジン回転数変化率が設定値以上である過渡運転時
に、前記排気ガス再循環量制御弁を閉じ方向へ駆動して
、排気ガス再循環を停止又は減量する排気ガス再循環停
止手段と、 を備えたことを特徴とするディーゼルエンジンの排気ガ
ス再循環制御装置。[Scope of Claim for Utility Model Registration] An exhaust gas recirculation passage that guides a portion of exhaust gas to the engine intake system, an exhaust gas recirculation amount control valve that controls the flow rate of exhaust gas flowing through the exhaust gas recirculation passage, and an engine. Exhaust gas recirculation control means for controlling the exhaust gas recirculation amount control valve according to load and rotation speed; means for detecting a rate of change in engine rotation speed; Exhaust gas recirculation stop means for stopping or reducing exhaust gas recirculation by driving the exhaust gas recirculation amount control valve in the closing direction during a transient operation, Exhaust gas recirculation control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10565584U JPS6121858U (en) | 1984-07-12 | 1984-07-12 | Diesel engine exhaust gas recirculation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10565584U JPS6121858U (en) | 1984-07-12 | 1984-07-12 | Diesel engine exhaust gas recirculation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6121858U true JPS6121858U (en) | 1986-02-08 |
Family
ID=30664965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10565584U Pending JPS6121858U (en) | 1984-07-12 | 1984-07-12 | Diesel engine exhaust gas recirculation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6121858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216064A (en) * | 1988-02-24 | 1989-08-30 | Toyota Motor Corp | Controller for recirculation of exhaust gas in internal combustion engine |
| KR20190038650A (en) * | 2016-09-14 | 2019-04-08 | 미츠비시 쥬고교 가부시키가이샤 | Engine and engine control method |
-
1984
- 1984-07-12 JP JP10565584U patent/JPS6121858U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216064A (en) * | 1988-02-24 | 1989-08-30 | Toyota Motor Corp | Controller for recirculation of exhaust gas in internal combustion engine |
| KR20190038650A (en) * | 2016-09-14 | 2019-04-08 | 미츠비시 쥬고교 가부시키가이샤 | Engine and engine control method |
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