JPH0246056U - - Google Patents
Info
- Publication number
- JPH0246056U JPH0246056U JP12355988U JP12355988U JPH0246056U JP H0246056 U JPH0246056 U JP H0246056U JP 12355988 U JP12355988 U JP 12355988U JP 12355988 U JP12355988 U JP 12355988U JP H0246056 U JPH0246056 U JP H0246056U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- trap filter
- diesel engine
- exhaust
- egr
- 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
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims 1
- 239000000498 cooling water Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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図はコントロールバルブの制御
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、１３……ＥＧＲ弁、１４……温度センサ
、１５……エンジン回転数センサ、１７……エン
ジン負荷センサ、１９……ＥＣＵ、２１……冷却
ジヤケツト、２３……ラジエータ、２５……ウオ
ータホース、２７……連通路、２９……コントロ
ールバルブ、３１……戻り連通路。
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 a control valve. 3... Engine, 5... Intake passage, 7... Exhaust passage, 9... Trap filter, 11... Exhaust recirculation passage, 13... EGR valve, 14... Temperature sensor, 15... Engine rotation speed sensor, 17 ... Engine load sensor, 19 ... ECU, 21 ... Cooling jacket, 23 ... Radiator, 25 ... Water hose, 27 ... Communication path, 29 ... Control valve, 31 ... Return communication path.
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、上記排気還流通路中に
触媒付のパーテイキユレートトラツプフイルタを
装着し、当該トラツプフイルタの下流側排気還流
通路中にＥＧＲガスの温度センサを設けると共に
、トラツプフイルタの外周にエンジンの冷却回路
と連通路を介して連通する冷却ジヤケツトを設け
、当該連通路中に上記温度センサの検出値が設定
値以上で開く冷却水量コントロールバルブを設け
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, a particulate trap filter with a catalyst is installed in the exhaust recirculation passage, and the trap filter An EGR gas temperature sensor is provided in the exhaust gas recirculation passage on the downstream side of the trap filter, and a cooling jacket is provided on the outer periphery of the trap filter that communicates with the engine cooling circuit via a communication passage, and the detected value of the temperature sensor is provided in the communication passage. Diesel engine EGR characterized by having a cooling water flow control valve that opens above a set value.
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12355988U JPH0246056U (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12355988U JPH0246056U (en) | 1988-09-21 | 1988-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246056U true JPH0246056U (en) | 1990-03-29 |
Family
ID=31372519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12355988U Pending JPH0246056U (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011157866A (en) * | 2010-02-01 | 2011-08-18 | Mitsubishi Motors Corp | Fluid filtering and cooling device of internal combustion engine |
-
1988
- 1988-09-21 JP JP12355988U patent/JPH0246056U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011157866A (en) * | 2010-02-01 | 2011-08-18 | Mitsubishi Motors Corp | Fluid filtering and cooling device of internal combustion engine |