JP4320582B2 - 内燃機関の排気浄化装置 - Google Patents
内燃機関の排気浄化装置 Download PDFInfo
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- JP4320582B2 JP4320582B2 JP2003365084A JP2003365084A JP4320582B2 JP 4320582 B2 JP4320582 B2 JP 4320582B2 JP 2003365084 A JP2003365084 A JP 2003365084A JP 2003365084 A JP2003365084 A JP 2003365084A JP 4320582 B2 JP4320582 B2 JP 4320582B2
- Authority
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- Japan
- Prior art keywords
- fuel
- reforming catalyst
- reforming
- temperature
- catalyst
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
- F01N13/017—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel the purifying devices are arranged in a single housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/30—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a fuel reformer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
4 ECU
22 排気管(排気通路)
22b 迂回流路
23 NOx触媒(排気浄化手段)
30 燃料添加弁(燃料噴射手段)
31 燃料改質触媒
33 酸化触媒
Claims (5)
- 燃料噴射手段と、前記燃料噴射手段により噴射された燃料を改質する燃料改質触媒と、前記燃料改質触媒により改質された燃料が導入される排気浄化手段とを排気通路内に備えた内燃機関の排気浄化装置であって、
前記燃料改質触媒の温度及び空燃比に基づいて前記燃料改質触媒の燃料改質率を推定する改質率推定手段と、前記改質率推定手段の推定結果に応じて前記燃料噴射手段による燃料の噴射状態を変化させる燃料噴射制御手段と、
を具備することを特徴とする内燃機関の排気浄化装置。 - 前記燃料噴射制御手段は、前記改質率推定手段の推定結果に応じて前記燃料の噴射及びその停止の実行時間及び実行間隔のうち少なくともいずれか一方を決定することを特徴とする請求項1に記載の内燃機関の排気浄化装置。
- 燃料噴射手段と、前記燃料噴射手段により噴射された燃料を改質する燃料改質触媒と、前記燃料改質触媒により改質された燃料が導入される排気浄化手段とを排気通路内に備え、前記燃料改質触媒の温度を考慮して燃料の噴射及びその停止を前記燃料噴射手段に実行させる燃料噴射制御手段を具備する内燃機関の排気浄化装置であって、
前記燃料改質触媒の温度が所定値よりも低い場合には、前記燃料噴射制御手段は、前記燃料の噴射及びその停止の実行に先立って、前記燃料改質触媒の温度を上昇させるべく前記燃料噴射手段に燃料の噴射を実行させ、
前記燃料噴射制御手段は、前記燃料改質触媒の温度上昇に要する燃料量が該温度上昇により見込まれる燃料消費量の減少分よりも小さくなる関係を満足する範囲内で、前記燃料噴射手段に燃料の噴射を実行させることを特徴とする内燃機関の排気浄化装置。 - 燃料噴射手段と、前記燃料噴射手段により噴射された燃料を改質する燃料改質触媒と、前記燃料改質触媒により改質された燃料が導入される排気浄化手段とを排気通路内に備えた内燃機関の排気浄化装置であって、前記燃料改質触媒における空燃比を制御する改質用空燃比制御手段と、前記燃料改質触媒の温度及び空燃比に基づいて前記改質触媒の燃料改質率を推定する改質率推定手段と、前記改質率推定手段の推定結果及び前記排気浄化手段の温度に基づいて該排気浄化手段の浄化率を推定する浄化率推定手段と、を具備し、
前記改質用空燃比制御手段は、前記浄化率推定手段により推定される浄化率が増加する方向に前記空燃比を制御することを特徴とする内燃機関の排気浄化装置。 - 前記空燃比制御手段は、前記燃料改質触媒の温度が高いほど前記改質触媒の空燃比をリッチ側とすることを特徴とする請求項4に記載の内燃機関の排気浄化装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003365084A JP4320582B2 (ja) | 2003-10-24 | 2003-10-24 | 内燃機関の排気浄化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003365084A JP4320582B2 (ja) | 2003-10-24 | 2003-10-24 | 内燃機関の排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005127257A JP2005127257A (ja) | 2005-05-19 |
JP4320582B2 true JP4320582B2 (ja) | 2009-08-26 |
Family
ID=34643872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003365084A Expired - Fee Related JP4320582B2 (ja) | 2003-10-24 | 2003-10-24 | 内燃機関の排気浄化装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4320582B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190046048A (ko) | 2017-10-25 | 2019-05-07 | 현대자동차주식회사 | 연료 개질 시스템 및 배기가스 공급 제어 방법 |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006348855A (ja) * | 2005-06-16 | 2006-12-28 | Hino Motors Ltd | 排気浄化装置 |
US8196388B2 (en) * | 2005-09-30 | 2012-06-12 | Korea Institute Of Energy Research | Heating device for exhaust gas in internal combustion engine |
JP2007278162A (ja) * | 2006-04-06 | 2007-10-25 | Hino Motors Ltd | ディーゼルエンジンの排ガス浄化装置 |
JP4894622B2 (ja) * | 2007-05-23 | 2012-03-14 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP4788664B2 (ja) | 2007-06-08 | 2011-10-05 | トヨタ自動車株式会社 | 内燃機関の排気浄化システム |
US8371111B2 (en) | 2007-07-04 | 2013-02-12 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification system for internal combustion engine |
US8959897B2 (en) | 2007-07-11 | 2015-02-24 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification apparatus in an internal combustion engine |
JP4730351B2 (ja) * | 2007-08-01 | 2011-07-20 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP4730379B2 (ja) * | 2007-12-26 | 2011-07-20 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
CN101878353B (zh) * | 2007-12-26 | 2012-09-05 | 丰田自动车株式会社 | 内燃机的排气净化装置 |
JP2009156168A (ja) * | 2007-12-26 | 2009-07-16 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP4867911B2 (ja) * | 2007-12-26 | 2012-02-01 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2009174502A (ja) * | 2008-01-28 | 2009-08-06 | Toyota Motor Corp | 内燃機関の排気浄化システム |
JP4475344B2 (ja) * | 2008-04-17 | 2010-06-09 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US20110107749A1 (en) * | 2008-04-17 | 2011-05-12 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification system for internal combustion engine |
US8484959B2 (en) | 2008-05-02 | 2013-07-16 | Toyota Jidosha Kabushiki Kaisha | Catalyst apparatus and exhaust gas purification system for internal combustion engine |
JP2009299580A (ja) | 2008-06-13 | 2009-12-24 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP4507018B2 (ja) * | 2008-06-27 | 2010-07-21 | 三菱自動車工業株式会社 | 内燃機関の排気浄化装置 |
JP4569690B2 (ja) * | 2008-09-04 | 2010-10-27 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP5126125B2 (ja) * | 2009-03-12 | 2013-01-23 | トヨタ自動車株式会社 | 排気ガス浄化装置 |
JP5263000B2 (ja) * | 2009-05-28 | 2013-08-14 | トヨタ自動車株式会社 | 内燃機関の排気通路構造 |
KR20110023158A (ko) * | 2009-08-28 | 2011-03-08 | 현대자동차주식회사 | 배기 시스템 |
JP5553582B2 (ja) * | 2009-11-25 | 2014-07-16 | 日野自動車株式会社 | エンジンの排ガス浄化装置 |
JP2011117395A (ja) * | 2009-12-04 | 2011-06-16 | Comotec Corp | 内燃機関のフィルタ再生装置 |
WO2011101896A1 (ja) * | 2010-02-17 | 2011-08-25 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP5557560B2 (ja) * | 2010-03-09 | 2014-07-23 | 日野自動車株式会社 | 排気浄化装置の制御方法 |
US20130004374A1 (en) * | 2010-03-12 | 2013-01-03 | Toyota Jidosha Kabushiki Kaisha | Exhaust purification system for internal combustion engine |
JP5713612B2 (ja) * | 2010-09-10 | 2015-05-07 | 日野自動車株式会社 | 排気浄化装置の制御方法 |
DE102010056281A1 (de) | 2010-12-24 | 2012-06-28 | Volkswagen Ag | Abgasanlage mit HC-Adsorber und parallelem Abgaskatalysator sowie Fahrzeug mit einer solchen Abgasanlage |
CN102803674A (zh) | 2011-02-07 | 2012-11-28 | 丰田自动车株式会社 | 内燃机 |
JP5761362B2 (ja) | 2011-10-18 | 2015-08-12 | トヨタ自動車株式会社 | 電気加熱式触媒 |
DE102011117090B4 (de) | 2011-10-27 | 2023-01-26 | Volkswagen Aktiengesellschaft | Abgasreinigungsvorrichtung |
US20130216473A1 (en) * | 2012-02-22 | 2013-08-22 | International Engine Intellectual Property Company, Llc | Catalytic fuel vaporizer and fuel reformer assembly |
CN104005816A (zh) * | 2013-02-22 | 2014-08-27 | 万国引擎知识产权有限责任公司 | 催化燃料汽化器和燃料重整器组件 |
JP5741643B2 (ja) * | 2013-08-08 | 2015-07-01 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP6015685B2 (ja) * | 2014-01-30 | 2016-10-26 | 株式会社デンソー | 還元剤添加装置 |
JP6270583B2 (ja) * | 2014-03-28 | 2018-01-31 | 株式会社クボタ | エンジンの排気処理装置 |
WO2015194022A1 (ja) * | 2014-06-19 | 2015-12-23 | 日産自動車株式会社 | 排気浄化装置 |
US10876450B2 (en) * | 2019-05-22 | 2020-12-29 | FEV Europe GmbH | Splitflow catalyst system |
-
2003
- 2003-10-24 JP JP2003365084A patent/JP4320582B2/ja not_active Expired - Fee Related
Cited By (1)
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KR20190046048A (ko) | 2017-10-25 | 2019-05-07 | 현대자동차주식회사 | 연료 개질 시스템 및 배기가스 공급 제어 방법 |
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