JP2009236058A - 内燃機関の排気ガス還流装置 - Google Patents
内燃機関の排気ガス還流装置 Download PDFInfo
- Publication number
- JP2009236058A JP2009236058A JP2008084929A JP2008084929A JP2009236058A JP 2009236058 A JP2009236058 A JP 2009236058A JP 2008084929 A JP2008084929 A JP 2008084929A JP 2008084929 A JP2008084929 A JP 2008084929A JP 2009236058 A JP2009236058 A JP 2009236058A
- Authority
- JP
- Japan
- Prior art keywords
- egr
- exhaust gas
- passage
- internal combustion
- combustion 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0065—Specific aspects of external EGR control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/33—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage controlling the temperature of the recirculated gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
- F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
【解決手段】内燃機関1の排気通路4と吸気通路3bとを連通するEGR通路51と、閉じることでEGR通路を遮断するEGR弁54と、EGR通路における排気通路との接続部55とEGR弁の設置位置との間に設けられ、EGR通路を流れる排気ガスを浄化するEGR触媒52とを備え、EGR弁を開いて排気通路を流れる排気ガスをEGR通路を介して吸気通路に還流させる排気ガス還流制御を行う内燃機関の排気ガス還流装置50であって、EGR触媒が、EGR通路における接続部の近傍に配置されている。
【選択図】 図1
Description
図1および図2を参照して、実施形態について説明する。本実施形態は、内燃機関の排気通路と吸気通路とを連通するEGR通路と、閉じることでEGR通路を遮断するEGR弁と、EGR通路を流れる排気ガスを浄化するEGR触媒とを備え、排気通路を流れる排気ガスを吸気通路に還流させる内燃機関の排気ガス還流装置に関する。
2 気筒
3 吸気マニホルド
3a 吸気枝管
3b サージタンク
4 排気マニホルド
4a 排気枝管
4b 合流部
5 吸気管
6 排気管
7 排気触媒
20 制御部
50 排気ガス還流装置
51 EGR通路
52 EGR触媒
53 EGRクーラ
54 EGR弁
55 排気側接続部
56 吸気側接続部
Claims (6)
- 内燃機関の排気通路と前記内燃機関の吸気通路とを連通するEGR通路と、閉じることで前記EGR通路を遮断するEGR弁と、前記EGR通路における前記排気通路との接続部と前記EGR弁の設置位置との間に設けられ、前記EGR通路を流れる排気ガスを浄化するEGR触媒とを備え、前記EGR弁を開いて前記排気通路を流れる前記排気ガスを前記EGR通路を介して前記吸気通路に還流させる排気ガス還流制御を行う内燃機関の排気ガス還流装置であって、
前記EGR触媒が、前記EGR通路における前記接続部の近傍に配置されている
ことを特徴とする内燃機関の排気ガス還流装置。 - 請求項1に記載の内燃機関の排気ガス還流装置において、
前記EGR触媒は、前記EGR弁が閉じた状態において、前記内燃機関の運転に伴う前記排気ガスの圧力変動により前記排気通路から前記EGR通路に流入する前記排気ガスが到達可能な位置に設けられている
ことを特徴とする内燃機関の排気ガス還流装置。 - 請求項2に記載の内燃機関の排気ガス還流装置において、
前記流入する前記排気ガスが到達可能な位置とは、前記EGR通路における前記EGR触媒と前記接続部との間の部分の容積が、前記内燃機関の運転に伴う前記排気ガスの圧力変動により前記排気通路から前記EGR通路に流入する前記排気ガスの容積の最小値よりも小さくなる位置である
ことを特徴とする内燃機関の排気ガス還流装置。 - 請求項1から3のいずれか1項に記載の内燃機関の排気ガス還流装置において、
前記EGR通路における前記EGR弁の設置位置と前記EGR触媒の設置位置との間には、前記EGR通路を流れる前記排気ガスを冷却するEGR冷却装置が設けられ、
前記EGR冷却装置は、前記EGR弁が閉じた状態において、前記内燃機関の運転に伴う前記排気ガスの圧力変動により前記EGR冷却装置から流出する前記排気ガスが、前記EGR触媒に到達することを抑制可能な位置に設けられている
ことを特徴とする内燃機関の排気ガス還流装置。 - 請求項4に記載の内燃機関の排気ガス還流装置において、
前記流出する前記排気ガスが、前記EGR触媒に到達することを抑制可能な位置とは、前記EGR通路における前記EGR冷却装置と前記EGR触媒との間の部分の容積が、前記内燃機関の運転に伴う前記排気ガスの圧力変動により、前記EGR冷却装置から前記EGR触媒へ向けて流出する前記排気ガスの容積の最大値よりも大きくなる位置である
ことを特徴とする内燃機関の排気ガス還流装置。 - 請求項1から5のいずれか1項に記載の内燃機関の排気ガス還流装置において、
前記EGR触媒の温度を検出または推定する温度検出推定手段と、
前記EGR弁の開閉状態を制御する制御手段とを備え、
前記制御手段は、前記温度検出推定手段により検出または推定された温度が予め定められた所定温度以下である間は前記EGR弁を閉じた状態に保つ
ことを特徴とする内燃機関の排気ガス還流装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008084929A JP4670884B2 (ja) | 2008-03-27 | 2008-03-27 | 内燃機関の排気ガス還流装置 |
US12/681,846 US8171918B2 (en) | 2008-03-27 | 2009-03-26 | Exhaust gas recirculation device of internal combustion engine |
DE112009000943T DE112009000943T5 (de) | 2008-03-27 | 2009-03-26 | Abgasrückführungsgerät einer Brennkraftmaschine |
CN2009801032350A CN101925731B (zh) | 2008-03-27 | 2009-03-26 | 内燃发动机的排气再循环装置 |
PCT/IB2009/005076 WO2009118622A1 (en) | 2008-03-27 | 2009-03-26 | Exhaust gas recirculation device of internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008084929A JP4670884B2 (ja) | 2008-03-27 | 2008-03-27 | 内燃機関の排気ガス還流装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009236058A true JP2009236058A (ja) | 2009-10-15 |
JP4670884B2 JP4670884B2 (ja) | 2011-04-13 |
Family
ID=40796265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008084929A Expired - Fee Related JP4670884B2 (ja) | 2008-03-27 | 2008-03-27 | 内燃機関の排気ガス還流装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8171918B2 (ja) |
JP (1) | JP4670884B2 (ja) |
CN (1) | CN101925731B (ja) |
DE (1) | DE112009000943T5 (ja) |
WO (1) | WO2009118622A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012167558A (ja) * | 2011-02-10 | 2012-09-06 | Toyota Motor Corp | 排気循環装置 |
JP2013194597A (ja) * | 2012-03-19 | 2013-09-30 | Honda Motor Co Ltd | 内燃機関の制御装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102124200B (zh) * | 2009-11-11 | 2013-09-25 | 丰田自动车株式会社 | 内燃机的控制装置 |
WO2011128967A1 (ja) * | 2010-04-12 | 2011-10-20 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US20140069086A1 (en) | 2012-09-13 | 2014-03-13 | Leon A. LaPointe | Exhaust system for spark-ignited gaseous fuel internal combustion engine |
US9175616B2 (en) * | 2012-10-10 | 2015-11-03 | Ford Global Technologies, Llc | Approach for controlling exhaust gas recirculation |
DE102012025002A1 (de) * | 2012-12-20 | 2014-06-26 | Volkswagen Aktiengesellschaft | Verfahren zur Diagnose eines Abgaskatalysators, Diagnoseeinrichtung sowie Kraftfahrzeug mit einer solchen |
US9297320B2 (en) * | 2014-07-25 | 2016-03-29 | Ford Global Technologies, Llc | Systems and methods for exhaust catalyst temperature control |
JP7131171B2 (ja) * | 2018-07-26 | 2022-09-06 | マツダ株式会社 | 圧縮着火式エンジンの制御装置 |
WO2021107931A1 (en) * | 2019-11-26 | 2021-06-03 | Cummins Inc. | Engine aftertreatment recycling apparatus, and system and method using same |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06147028A (ja) * | 1992-11-06 | 1994-05-27 | Yanmar Diesel Engine Co Ltd | 排気ガス還流装置付きディーゼル機関 |
JPH0771230A (ja) * | 1993-07-06 | 1995-03-14 | Nippon Soken Inc | 排気ガス浄化装置 |
JPH08189342A (ja) * | 1995-01-09 | 1996-07-23 | Nippon Soken Inc | 排気ガス浄化装置 |
JPH11125148A (ja) * | 1997-10-23 | 1999-05-11 | Mitsubishi Motors Corp | 排気ガス還流装置 |
JP2003097361A (ja) * | 2001-09-21 | 2003-04-03 | Hino Motors Ltd | Egr装置 |
JP2003214261A (ja) * | 2002-01-28 | 2003-07-30 | Mitsubishi Motors Corp | エンジンのegr装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE506130C2 (sv) * | 1994-12-08 | 1997-11-10 | Scania Cv Ab | Arrangemang för återledning av avgaser i överladdade motorer med seriella turbiner |
US5785030A (en) * | 1996-12-17 | 1998-07-28 | Dry Systems Technologies | Exhaust gas recirculation in internal combustion engines |
SE519922C2 (sv) | 1998-12-07 | 2003-04-29 | Stt Emtec Ab | Anordning och förfarande för avgasrening samt användning av anordningen |
US6301887B1 (en) * | 2000-05-26 | 2001-10-16 | Engelhard Corporation | Low pressure EGR system for diesel engines |
JP4089396B2 (ja) * | 2002-11-15 | 2008-05-28 | いすゞ自動車株式会社 | ターボチャージャーを備えた内燃機関のegrシステム |
US6981375B2 (en) * | 2003-09-16 | 2006-01-03 | Detroit Diesel Corporation | Turbocharged internal combustion engine with EGR flow |
JP2005264821A (ja) | 2004-03-18 | 2005-09-29 | Toyota Motor Corp | 内燃機関の排気還流システム |
US20060266018A1 (en) * | 2005-05-31 | 2006-11-30 | Caterpillar Inc. | Exhaust control system implementing sulfur detection |
JP2007023888A (ja) | 2005-07-15 | 2007-02-01 | Mitsubishi Motors Corp | 内燃機関の制御装置 |
US7299793B1 (en) * | 2007-02-06 | 2007-11-27 | International Engine Intellectual Property Company, Llc | EGR metallic high load diesel oxidation catalyst |
US8001778B2 (en) * | 2007-09-25 | 2011-08-23 | Ford Global Technologies, Llc | Turbocharged engine control operation with adjustable compressor bypass |
-
2008
- 2008-03-27 JP JP2008084929A patent/JP4670884B2/ja not_active Expired - Fee Related
-
2009
- 2009-03-26 DE DE112009000943T patent/DE112009000943T5/de not_active Ceased
- 2009-03-26 CN CN2009801032350A patent/CN101925731B/zh not_active Expired - Fee Related
- 2009-03-26 US US12/681,846 patent/US8171918B2/en not_active Expired - Fee Related
- 2009-03-26 WO PCT/IB2009/005076 patent/WO2009118622A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06147028A (ja) * | 1992-11-06 | 1994-05-27 | Yanmar Diesel Engine Co Ltd | 排気ガス還流装置付きディーゼル機関 |
JPH0771230A (ja) * | 1993-07-06 | 1995-03-14 | Nippon Soken Inc | 排気ガス浄化装置 |
JPH08189342A (ja) * | 1995-01-09 | 1996-07-23 | Nippon Soken Inc | 排気ガス浄化装置 |
JPH11125148A (ja) * | 1997-10-23 | 1999-05-11 | Mitsubishi Motors Corp | 排気ガス還流装置 |
JP2003097361A (ja) * | 2001-09-21 | 2003-04-03 | Hino Motors Ltd | Egr装置 |
JP2003214261A (ja) * | 2002-01-28 | 2003-07-30 | Mitsubishi Motors Corp | エンジンのegr装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012167558A (ja) * | 2011-02-10 | 2012-09-06 | Toyota Motor Corp | 排気循環装置 |
JP2013194597A (ja) * | 2012-03-19 | 2013-09-30 | Honda Motor Co Ltd | 内燃機関の制御装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2009118622A1 (en) | 2009-10-01 |
CN101925731A (zh) | 2010-12-22 |
JP4670884B2 (ja) | 2011-04-13 |
US8171918B2 (en) | 2012-05-08 |
DE112009000943T5 (de) | 2011-05-26 |
US20100205941A1 (en) | 2010-08-19 |
CN101925731B (zh) | 2013-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4670884B2 (ja) | 内燃機関の排気ガス還流装置 | |
JP4911249B2 (ja) | 内燃機関の制御装置 | |
US8429902B2 (en) | Secondary air supply system and secondary air supplying method of internal combustion engine | |
US7993582B2 (en) | Sulfur purge control device for an internal combustion engine | |
EP2685072B1 (en) | Control device for internal combustion engine | |
JP4802992B2 (ja) | 内燃機関の排気還流装置 | |
EP3090155B1 (en) | Exhaust gas control device for internal combustion engine mounted on vehicle | |
JP2010090773A (ja) | エンジンの制御装置 | |
JP2006207467A (ja) | 内燃機関の制御装置 | |
EP2682579B1 (en) | Exhaust emission control system for internal combustion engine, and control method for exhaust emission control system | |
JP2017036695A (ja) | ディーゼルエンジンの制御装置 | |
JP2008038696A (ja) | 内燃機関 | |
JP5834906B2 (ja) | 内燃機関の排気浄化装置 | |
EP2682580B1 (en) | Exhaust emission control system for internal combustion engine, and control method for exhaust emission control system | |
JP4882688B2 (ja) | 内燃機関の排気還流装置 | |
JP2016211486A (ja) | 排出ガス浄化システム | |
EP2957737B1 (en) | Engine exhaust-gas purification device | |
JP2016079861A (ja) | 内燃機関のNOx浄化システム | |
JP2008128115A (ja) | 内燃機関の排気浄化システム | |
JP2007332799A (ja) | 内燃機関の排気浄化装置 | |
EP3049648B1 (en) | Exhaust gas control apparatus and exhaust gas control method for internal-combustion engine | |
JP2014156786A (ja) | エンジンの排気浄化装置 | |
JP2009264203A (ja) | 内燃機関の排気装置 | |
JP2013217323A (ja) | 内燃機関の排気浄化装置 | |
JP2007120455A (ja) | 内燃機関の排気浄化システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100330 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100330 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100521 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100914 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101014 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101221 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110103 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140128 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |