JPH0246057U - - Google Patents
Info
- Publication number
- JPH0246057U JPH0246057U JP12497688U JP12497688U JPH0246057U JP H0246057 U JPH0246057 U JP H0246057U JP 12497688 U JP12497688 U JP 12497688U JP 12497688 U JP12497688 U JP 12497688U JP H0246057 U JPH0246057 U JP H0246057U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- exhaust
- exhaust gas
- egr
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案の一実施例に係るＥＧＲ装置の
概略構成図、第２図はＥＧＲ弁の制御回路のフロ
ーチヤートである。
３……エンジン、５……吸気通路、７……排気
通路、９……トラツプフイルタ、１１……排気還
流通路、１１ａ，１１ｂ……管路、１３，１５…
…ＥＧＲ弁、１７……エンジン回転数センサ、１
９……エンジン負荷センサ、２１，２３……温度
センサ、２５……ＥＣＵ。
FIG. 1 is a schematic configuration diagram of an EGR device according to an embodiment of the present invention, and FIG. 2 is a flowchart of a control circuit for an EGR valve. 3... Engine, 5... Intake passage, 7... Exhaust passage, 9... Trap filter, 11... Exhaust recirculation passage, 11a, 11b... Pipe line, 13, 15...
...EGR valve, 17...Engine speed sensor, 1
9... Engine load sensor, 21, 23... Temperature sensor, 25... ECU.
Claims (1)
間に排気還流通路を接続してなるデイーゼルエン
ジンのＥＧＲ装置に於て、上記排気還流通路の上
流側を二つ以上の管路で形成し、各管路の先端を
排気通路の上流側から下流側に沿つて順次接続し
、当該各接続部に夫々ＥＧＲ弁を装着すると共に
、上記排気還流通路中にパーテイキユレートを燃
焼除去する触媒付トラツプフイルタを装着し、且
つ排気通路又は排気還流通路の少なくとも何れか
一方に温度センサを設置し、当該温度センサで検
出した排気ガス温度に応じて上記各ＥＧＲ弁の開
閉を制御するようにしたことを特徴とするデイー
ゼルエンジンのＥＧＲ装置。 In an EGR system for a diesel engine in which an exhaust gas recirculation passage is connected between an intake passage and an exhaust passage of the diesel engine, the upstream side of the exhaust gas recirculation passage is formed by two or more pipes, and each pipe The ends of the exhaust passage are sequentially connected from the upstream side to the downstream side, and an EGR valve is installed at each connection, and a trap filter with a catalyst is installed in the exhaust recirculation passage to burn and remove particulate. A diesel engine characterized in that a temperature sensor is installed in at least one of the exhaust passage or the exhaust gas recirculation passage, and the opening and closing of each of the EGR valves is controlled according to the exhaust gas temperature detected by the temperature sensor. Engine EGR device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12497688U JPH0246057U (en) | 1988-09-22 | 1988-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12497688U JPH0246057U (en) | 1988-09-22 | 1988-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246057U true JPH0246057U (en) | 1990-03-29 |
Family
ID=31375173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12497688U Pending JPH0246057U (en) | 1988-09-22 | 1988-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246057U (en) |
-
1988
- 1988-09-22 JP JP12497688U patent/JPH0246057U/ja active Pending