JPH01149559U - - Google Patents
Info
- Publication number
- JPH01149559U JPH01149559U JP4766188U JP4766188U JPH01149559U JP H01149559 U JPH01149559 U JP H01149559U JP 4766188 U JP4766188 U JP 4766188U JP 4766188 U JP4766188 U JP 4766188U JP H01149559 U JPH01149559 U JP H01149559U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas recirculation
- trap filter
- recirculation passage
- recirculation device
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
従来例の構成図である。
１……排気還流通路、５……トラツプフイルタ
、７……ＥＧＲバルブ、１０，１２……圧力検出
通路、１３……サブバルブ。
FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional example. 1... Exhaust recirculation passage, 5... Trap filter, 7... EGR valve, 10, 12... Pressure detection passage, 13... Sub valve.
Claims (1)
ルブを設けて還流量を制御する排気還流装置にお
いて、上記排気還流通路にトラツプフイルタの上
流側及び下流側に圧力検出通路を設け、圧力差に
応じて開閉するサブバルブを設けたことを特徴と
する排気還流装置。 In an exhaust gas recirculation device in which a main valve is provided in an exhaust gas recirculation passage provided with a trap filter to control the recirculation amount, pressure detection passages are provided in the exhaust gas recirculation passage upstream and downstream of the trap filter, and sub-valves that open and close according to a pressure difference are provided. An exhaust gas recirculation device characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4766188U JPH01149559U (en) | 1988-04-08 | 1988-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4766188U JPH01149559U (en) | 1988-04-08 | 1988-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149559U true JPH01149559U (en) | 1989-10-17 |
Family
ID=31273855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4766188U Pending JPH01149559U (en) | 1988-04-08 | 1988-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010216449A (en) * | 2009-03-19 | 2010-09-30 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
-
1988
- 1988-04-08 JP JP4766188U patent/JPH01149559U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010216449A (en) * | 2009-03-19 | 2010-09-30 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |