JP2004019624A5 - - Google Patents
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- JP2004019624A5 JP2004019624A5 JP2002179561A JP2002179561A JP2004019624A5 JP 2004019624 A5 JP2004019624 A5 JP 2004019624A5 JP 2002179561 A JP2002179561 A JP 2002179561A JP 2002179561 A JP2002179561 A JP 2002179561A JP 2004019624 A5 JP2004019624 A5 JP 2004019624A5
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- exhaust
- combustion engine
- internal combustion
- passage
- 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.)
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Claims (6)
前記内燃機関からの排気の一部を内燃機関の吸気系へ還流させる排気再循環通路と、 An exhaust gas recirculation passage for recirculating a part of the exhaust gas from the internal combustion engine to an intake system of the internal combustion engine;
前記排気再循環通路内を流れる排気の流量を調整する排気再循環弁と、 An exhaust gas recirculation valve for adjusting a flow rate of exhaust gas flowing in the exhaust gas recirculation passage;
前記内燃機関の運転状態に応じて前記排気再循環弁の開閉制御を行う排気再循環制御手段と、 Exhaust gas recirculation control means for performing opening / closing control of the exhaust gas recirculation valve in accordance with the operating state of the internal combustion engine;
を備え、With
前記排気再循環通路の排気導入部上流の排気通路に酸化機能を有する触媒を設けたことを特徴とする内燃機関の排気浄化装置。 An exhaust gas purification apparatus for an internal combustion engine, characterized in that a catalyst having an oxidation function is provided in an exhaust passage upstream of an exhaust introduction portion of the exhaust gas recirculation passage.
前記排気通路を流れる排気の通路抵抗となる排気抵抗発生手段と、
前記内燃機関からの排気の一部を内燃機関の吸気系へ還流させる排気再循環通路と、
前記排気再循環通路内を流れる排気の流量を調整する排気再循環弁と、
前記内燃機関の運転状態に応じて前記排気再循環弁の開閉制御を行う排気再循環制御手段と、
を備え、
前記排気再循環通路の排気導入部を前記排気抵抗発生手段の上流の排気通路に接続し、前記排気再循環通路の排気導入部上流の排気通路に酸化機能を有する触媒を設けたことを特徴とする内燃機関の排気浄化装置。An exhaust purification catalyst that is provided in the exhaust passage of the internal combustion engine and purifies harmful substances in the exhaust system;
An exhaust resistance generating means that serves as a passage resistance of the exhaust gas flowing through the exhaust passage;
An exhaust gas recirculation passage for recirculating a part of the exhaust gas from the internal combustion engine to an intake system of the internal combustion engine;
An exhaust gas recirculation valve for adjusting a flow rate of exhaust gas flowing in the exhaust gas recirculation passage;
Exhaust gas recirculation control means for performing opening / closing control of the exhaust gas recirculation valve in accordance with the operating state of the internal combustion engine;
With
An exhaust gas introduction portion of the exhaust gas recirculation passage is connected to an exhaust gas passage upstream of the exhaust resistance generating means, and a catalyst having an oxidation function is provided in the exhaust gas passage upstream of the exhaust gas introduction portion of the exhaust gas recirculation passage. An exhaust purification device for an internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002179561A JP2004019624A (en) | 2002-06-20 | 2002-06-20 | Exhaust emission control device of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002179561A JP2004019624A (en) | 2002-06-20 | 2002-06-20 | Exhaust emission control device of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004019624A JP2004019624A (en) | 2004-01-22 |
| JP2004019624A5 true JP2004019624A5 (en) | 2005-09-08 |
Family
ID=31176929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002179561A Pending JP2004019624A (en) | 2002-06-20 | 2002-06-20 | Exhaust emission control device of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004019624A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4710846B2 (en) * | 2007-02-21 | 2011-06-29 | トヨタ自動車株式会社 | Exhaust gas purification device for internal combustion engine |
| JP5037263B2 (en) | 2007-03-02 | 2012-09-26 | 本田技研工業株式会社 | Control device for internal combustion engine |
| JP5061861B2 (en) * | 2007-11-21 | 2012-10-31 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| DE102008060063B4 (en) * | 2008-12-02 | 2011-08-25 | Man Diesel & Turbo, Filial Af Man Diesel & Turbo Se, Tyskland | internal combustion engine |
| DE102009038841A1 (en) * | 2009-08-25 | 2011-03-03 | Volkswagen Ag | Exhaust gas line for internal-combustion engine, has exhaust gas catalyst that is arranged between exhaust gas manifold and housing |
-
2002
- 2002-06-20 JP JP2002179561A patent/JP2004019624A/en active Pending
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