JPS59194517U - Engine exhaust gas purification device - Google Patents
Engine exhaust gas purification deviceInfo
- Publication number
- JPS59194517U JPS59194517U JP9112083U JP9112083U JPS59194517U JP S59194517 U JPS59194517 U JP S59194517U JP 9112083 U JP9112083 U JP 9112083U JP 9112083 U JP9112083 U JP 9112083U JP S59194517 U JPS59194517 U JP S59194517U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- passage
- purification device
- catalytic converter
- gas purification
- 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 After Treatment (AREA)
- 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
図面は本考案の一実施例であるエンジンの排気ガス浄化
装置の全体構成図である。
１・・・・・・エンジン本体、２・・・・・・吸気通路
、３・・・・・・・排気通路、３ａ・・・・・・第１通
路、３ｂ−、−・・第２通路、６・・・・・・触媒コン
バータ、７・・・・・・排気ガス冷却手段、８・・・・
・・制御弁、２２・・・・・・ＥＧＲ通路、２２ａ・・
・・・・上流端開口、２２ｂ・・・・・・下流端開口、
２４・・・・・・ＥＧＲ−制御弁。The drawing is an overall configuration diagram of an engine exhaust gas purification device that is an embodiment of the present invention. 1...Engine body, 2...Intake passage, 3...Exhaust passage, 3a...First passage, 3b-, -...Second Passage, 6...Catalytic converter, 7...Exhaust gas cooling means, 8...
...Control valve, 22...EGR passage, 22a...
...Upstream end opening, 22b...Downstream end opening,
24...EGR-control valve.
Claims (1)
上流を、第１通路と、排気ガス冷却手段、を備えた第２
通路とにより並列に構成し、前記第２通路への排気ガス
量を触媒コンバータの温度が高くなる運転状態で増大さ
せる傷御弁を有するエンジンにおいて、前記排気ガス冷
却手段と触媒コンバータの間の排気通路に、排気ガス還
流通路の取出口を配設したことを特徴とするエンジンの
排気ガス浄化装置。A catalytic converter is disposed in the exhaust passage, and upstream of the catalytic converter is a first passage and a second passage including an exhaust gas cooling means.
In the engine, the engine has a control valve that is configured in parallel with the exhaust gas cooling means and the catalytic converter and increases the amount of exhaust gas flowing into the second passage in an operating state where the temperature of the catalytic converter becomes high. An exhaust gas purification device for an engine, characterized in that the passage is provided with an outlet for an exhaust gas recirculation passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9112083U JPS59194517U (en) | 1983-06-13 | 1983-06-13 | Engine exhaust gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9112083U JPS59194517U (en) | 1983-06-13 | 1983-06-13 | Engine exhaust gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59194517U true JPS59194517U (en) | 1984-12-24 |
Family
ID=30221094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9112083U Pending JPS59194517U (en) | 1983-06-13 | 1983-06-13 | Engine exhaust gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59194517U (en) |
-
1983
- 1983-06-13 JP JP9112083U patent/JPS59194517U/en active Pending
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