JPS63190557U - - Google Patents
Info
- Publication number
- JPS63190557U JPS63190557U JP7966287U JP7966287U JPS63190557U JP S63190557 U JPS63190557 U JP S63190557U JP 7966287 U JP7966287 U JP 7966287U JP 7966287 U JP7966287 U JP 7966287U JP S63190557 U JPS63190557 U JP S63190557U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- passage
- recirculation
- compressor
- 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
- 238000000746 purification Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図はこの考案に係る排気還流装置の一実施
例を示す構成説明図、第２図は異なる実施例を示
す構成説明図、第３図は従来の排気還流装置を示
す構成説明図である。
１……エンジン、２……ターボチヤージヤ、２
ａ……コンプレツサ、７……排気還流通路、８…
…排気還流制御弁、９……浄化装置、１０……バ
イパス通路、１１……逆止弁。
FIG. 1 is a structural explanatory diagram showing one embodiment of the exhaust gas recirculation device according to this invention, FIG. 2 is a structural explanatory diagram showing a different embodiment, and FIG. 3 is a structural explanatory diagram showing a conventional exhaust gas recirculation device. . 1...engine, 2...turbocharger, 2
a... Compressor, 7... Exhaust recirculation passage, 8...
...Exhaust recirculation control valve, 9...Purification device, 10...Bypass passage, 11...Check valve.
Claims (1)
連通するとともに、機関運転条件によつて開閉制
御される排気還流制御弁が介装された排気還流通
路と、この排気還流通路の排気還流制御弁上流側
に配設され、かつ還流排気中の排気微粒子を捕集
除去する浄化装置と、ターボチヤージヤのコンプ
レツサ下流から分岐形成され、かつ上記排気還流
通路の浄化装置下流側に接続したバイパス通路と
、このバイパス通路に介装され、かつコンプレツ
サ側から排気還流通路側への通流のみを許容する
逆止弁とを備えたことを特徴とするデイーゼルエ
ンジンの排気還流装置。 An exhaust recirculation passage that connects the exhaust passage and intake passage of a diesel engine and is equipped with an exhaust recirculation control valve that is controlled to open and close according to engine operating conditions; a purification device arranged to collect and remove exhaust particulates in the recirculated exhaust; a bypass passage branched from the downstream side of the compressor of the turbocharger and connected to the downstream side of the purification device of the exhaust recirculation passage; An exhaust gas recirculation device for a diesel engine, characterized in that it is equipped with a check valve that is interposed and allows flow only from the compressor side to the exhaust gas recirculation passage side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7966287U JPS63190557U (en) | 1987-05-26 | 1987-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7966287U JPS63190557U (en) | 1987-05-26 | 1987-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63190557U true JPS63190557U (en) | 1988-12-08 |
Family
ID=30929736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7966287U Pending JPS63190557U (en) | 1987-05-26 | 1987-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63190557U (en) |
-
1987
- 1987-05-26 JP JP7966287U patent/JPS63190557U/ja active Pending
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