WO2011033620A1 - 内燃機関の排気浄化装置及び排気浄化方法 - Google Patents
内燃機関の排気浄化装置及び排気浄化方法 Download PDFInfo
- Publication number
- WO2011033620A1 WO2011033620A1 PCT/JP2009/066155 JP2009066155W WO2011033620A1 WO 2011033620 A1 WO2011033620 A1 WO 2011033620A1 JP 2009066155 W JP2009066155 W JP 2009066155W WO 2011033620 A1 WO2011033620 A1 WO 2011033620A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exhaust
- detection
- internal combustion
- combustion engine
- additive
- Prior art date
Links
Images
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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
- F01N11/005—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus the temperature or pressure being estimated, e.g. by means of a theoretical model
-
- 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
- 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
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- 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
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/0601—Parameters used for exhaust control or diagnosing being estimated
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1402—Exhaust gas composition
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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
Abstract
Description
内燃機関の排気通路に設けられ排気の状態を検出する検出手段と、
前記排気通路内に添加剤を添加する添加手段と、
前記検出手段及び前記添加手段よりも下流側に設けられ該添加手段から添加剤の供給を受ける触媒と、
前記添加手段から添加される添加剤により前記検出手段の検出精度が低下するか否かを判定する判定手段と、
前記判定手段により前記検出手段の検出精度が低下すると判定される場合に、前記検出手段による排気の状態の検出を停止させる停止手段と、
を備えることを特徴とする。
前記停止手段により前記検出手段による排気の状態の検出が停止されている場合には、前記検出手段による排気の状態の検出に代えて、前記推定手段による排気の状態の推定を行なうことができる。
内燃機関の排気の状態を検出するときに、触媒へ添加する添加剤が存在することで排気の状態の検出精度が低下するか否かを判定する第1の工程と、
排気の状態の検出精度が低下すると判定される場合には排気の状態の検出を停止させる第2の工程と、
を含んで構成されることを特徴とする。
2 排気通路
3 触媒
4 センサ
5 添加弁
10 ECU
11 アクセルペダル
12 アクセル開度センサ
13 クランクポジションセンサ
21 酸化触媒
22 パティキュレートフィルタ
Claims (8)
- 内燃機関の排気通路に設けられ排気の状態を検出する検出手段と、
前記排気通路内に添加剤を添加する添加手段と、
前記検出手段及び前記添加手段よりも下流側に設けられ該添加手段から添加剤の供給を受ける触媒と、
前記添加手段から添加される添加剤により前記検出手段の検出精度が低下するか否かを判定する判定手段と、
前記判定手段により前記検出手段の検出精度が低下すると判定される場合に、前記検出手段による排気の状態の検出を停止させる停止手段と、
を備えることを特徴とする内燃機関の排気浄化装置。 - 前記判定手段は、前記添加手段により添加剤が添加されているときに、前記検出手段の検出精度が低下すると判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。
- 内燃機関の運転状態に基づいて該内燃機関の排気の状態を推定する推定手段を備え、
前記停止手段により前記検出手段による排気の状態の検出が停止されている場合には、前記検出手段による排気の状態の検出に代えて、前記推定手段による排気の状態の推定を行なうことを特徴とする請求項1または2に記載の内燃機関の排気浄化装置。 - 前記触媒は排気を選択的に還元する選択還元型NOx触媒を含んで構成され、前記検出手段は排気中のNOx濃度を検出するNOxセンサを含んで構成され、前記添加手段はアンモニア由来の還元剤を添加することを特徴とする請求項1から3の何れか1項に記載の内燃機関の排気浄化装置。
- 前記検出手段は、排気の温度を検出する温度センサを含んで構成されることを特徴とする請求項1から3の何れか1項に記載の内燃機関の排気浄化装置。
- 内燃機関の排気の状態を検出するときに、触媒へ添加する添加剤が存在することで排気の状態の検出精度が低下するか否かを判定する第1の工程と、
排気の状態の検出精度が低下すると判定される場合には排気の状態の検出を停止させる第2の工程と、
を含んで構成されることを特徴とする内燃機関の排気浄化方法。 - 前記第1の工程では、添加剤が添加されているときに、排気の状態の検出精度が低下すると判定することを特徴とする請求項6に記載の内燃機関の排気浄化方法。
- 前記第2の工程において排気の状態の検出が停止されている場合には、排気の状態の検出に代えて、排気の状態の推定を行なう第3の工程を含んで構成されることを特徴とする請求項6または7に記載の内燃機関の排気浄化方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/394,631 US8857161B2 (en) | 2009-09-16 | 2009-09-16 | Exhaust gas purification apparatus and exhaust gas purification method for an internal combustion engine |
PCT/JP2009/066155 WO2011033620A1 (ja) | 2009-09-16 | 2009-09-16 | 内燃機関の排気浄化装置及び排気浄化方法 |
JP2011531689A JP5382129B2 (ja) | 2009-09-16 | 2009-09-16 | 内燃機関の排気浄化装置及び排気浄化方法 |
CN200980161336.3A CN102482967B (zh) | 2009-09-16 | 2009-09-16 | 内燃机的排气净化装置及排气净化方法 |
EP09849479.2A EP2479391B1 (en) | 2009-09-16 | 2009-09-16 | Exhaust gas purifying device and method for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/066155 WO2011033620A1 (ja) | 2009-09-16 | 2009-09-16 | 内燃機関の排気浄化装置及び排気浄化方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011033620A1 true WO2011033620A1 (ja) | 2011-03-24 |
Family
ID=43758247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/066155 WO2011033620A1 (ja) | 2009-09-16 | 2009-09-16 | 内燃機関の排気浄化装置及び排気浄化方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8857161B2 (ja) |
EP (1) | EP2479391B1 (ja) |
JP (1) | JP5382129B2 (ja) |
CN (1) | CN102482967B (ja) |
WO (1) | WO2011033620A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015046273A1 (ja) | 2013-09-25 | 2015-04-02 | トヨタ自動車株式会社 | 排気浄化装置の異常診断装置 |
EP2759681A4 (en) * | 2011-09-20 | 2015-09-02 | Toyota Motor Co Ltd | EXHAUST GAS CLEANING DEVICE FOR A COMBUSTION ENGINE |
EP2947294A1 (en) | 2014-05-19 | 2015-11-25 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification apparatus for an internal combustion engine |
JP6037035B2 (ja) * | 2013-09-25 | 2016-11-30 | トヨタ自動車株式会社 | 排気浄化装置の診断装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5559230B2 (ja) * | 2012-04-03 | 2014-07-23 | 本田技研工業株式会社 | 内燃機関の排気浄化システム |
US9115626B2 (en) * | 2012-07-10 | 2015-08-25 | GM Global Technology Operations LLC | Kinetics-based SCR control model improvement |
KR101534714B1 (ko) * | 2013-12-23 | 2015-07-07 | 현대자동차 주식회사 | 선택적 환원 촉매에 흡장된 암모니아량 제어 방법 및 이를 사용하는 배기 시스템 |
JP6187505B2 (ja) * | 2015-03-02 | 2017-08-30 | トヨタ自動車株式会社 | 排気浄化装置 |
DE102017218327B4 (de) * | 2017-10-13 | 2019-10-24 | Continental Automotive Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine mit Dreiwegekatalysator und Lambdaregelung |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004092608A (ja) * | 2002-09-04 | 2004-03-25 | Mazda Motor Corp | NOx検出装置、及び排気浄化装置 |
JP2007170383A (ja) | 2005-12-23 | 2007-07-05 | Robert Bosch Gmbh | 排気ガス後処理装置のモニタ方法および装置 |
JP2008163856A (ja) * | 2006-12-28 | 2008-07-17 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2008223681A (ja) * | 2007-03-14 | 2008-09-25 | Mitsubishi Motors Corp | 排気浄化装置 |
JP2009024628A (ja) | 2007-07-20 | 2009-02-05 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の排気浄化装置 |
JP2009121413A (ja) | 2007-11-16 | 2009-06-04 | Toyota Motor Corp | 排気浄化システムの異常診断装置 |
JP2009127497A (ja) * | 2007-11-21 | 2009-06-11 | Toyota Motor Corp | NOx浄化装置の診断装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003069137A1 (fr) * | 2002-02-12 | 2003-08-21 | Isuzu Motors Limited | Systeme de decontamination de gaz d'echappement et procede de decontamination de gaz d'echappement |
JP3903977B2 (ja) * | 2003-10-17 | 2007-04-11 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置及び内燃機関の排気浄化方法 |
CN100416054C (zh) * | 2003-10-22 | 2008-09-03 | 日产柴油机车工业株式会社 | 发动机控制装置和发动机运转方法 |
JP2006132392A (ja) * | 2004-11-04 | 2006-05-25 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の排気浄化装置 |
JP4972914B2 (ja) * | 2005-11-21 | 2012-07-11 | いすゞ自動車株式会社 | 排気ガス浄化システムの再生制御方法及び排気ガス浄化システム |
JP5067614B2 (ja) * | 2007-08-21 | 2012-11-07 | 株式会社デンソー | 内燃機関の排気浄化装置 |
JP2009209839A (ja) * | 2008-03-05 | 2009-09-17 | Denso Corp | 内燃機関の排気浄化装置 |
EP2295750B1 (en) * | 2008-04-18 | 2012-05-23 | Honda Motor Co., Ltd. | Exhaust purification apparatus for internal combustion engine |
US8161730B2 (en) * | 2008-04-30 | 2012-04-24 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst |
US8161731B2 (en) * | 2008-05-12 | 2012-04-24 | Caterpillar Inc. | Selective catalytic reduction using controlled catalytic deactivation |
US8915062B2 (en) * | 2009-10-09 | 2014-12-23 | GM Global Technology Operations LLC | Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system |
-
2009
- 2009-09-16 WO PCT/JP2009/066155 patent/WO2011033620A1/ja active Application Filing
- 2009-09-16 US US13/394,631 patent/US8857161B2/en not_active Expired - Fee Related
- 2009-09-16 CN CN200980161336.3A patent/CN102482967B/zh not_active Expired - Fee Related
- 2009-09-16 JP JP2011531689A patent/JP5382129B2/ja not_active Expired - Fee Related
- 2009-09-16 EP EP09849479.2A patent/EP2479391B1/en not_active Not-in-force
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004092608A (ja) * | 2002-09-04 | 2004-03-25 | Mazda Motor Corp | NOx検出装置、及び排気浄化装置 |
JP2007170383A (ja) | 2005-12-23 | 2007-07-05 | Robert Bosch Gmbh | 排気ガス後処理装置のモニタ方法および装置 |
JP2008163856A (ja) * | 2006-12-28 | 2008-07-17 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2008223681A (ja) * | 2007-03-14 | 2008-09-25 | Mitsubishi Motors Corp | 排気浄化装置 |
JP2009024628A (ja) | 2007-07-20 | 2009-02-05 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の排気浄化装置 |
JP2009121413A (ja) | 2007-11-16 | 2009-06-04 | Toyota Motor Corp | 排気浄化システムの異常診断装置 |
JP2009127497A (ja) * | 2007-11-21 | 2009-06-11 | Toyota Motor Corp | NOx浄化装置の診断装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2479391A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2759681A4 (en) * | 2011-09-20 | 2015-09-02 | Toyota Motor Co Ltd | EXHAUST GAS CLEANING DEVICE FOR A COMBUSTION ENGINE |
WO2015046273A1 (ja) | 2013-09-25 | 2015-04-02 | トヨタ自動車株式会社 | 排気浄化装置の異常診断装置 |
US9453451B2 (en) | 2013-09-25 | 2016-09-27 | Toyota Jidosha Kabushiki Kaisha | Abnormality diagnosis apparatus for exhaust gas purification apparatus |
JP6037035B2 (ja) * | 2013-09-25 | 2016-11-30 | トヨタ自動車株式会社 | 排気浄化装置の診断装置 |
JP6037036B2 (ja) * | 2013-09-25 | 2016-11-30 | トヨタ自動車株式会社 | 排気浄化装置の異常診断装置 |
EP2947294A1 (en) | 2014-05-19 | 2015-11-25 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification apparatus for an internal combustion engine |
JP2016000990A (ja) * | 2014-05-19 | 2016-01-07 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US9884292B2 (en) | 2014-05-19 | 2018-02-06 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification apparatus for an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
CN102482967B (zh) | 2014-10-15 |
EP2479391B1 (en) | 2017-03-01 |
US8857161B2 (en) | 2014-10-14 |
JPWO2011033620A1 (ja) | 2013-02-07 |
JP5382129B2 (ja) | 2014-01-08 |
EP2479391A4 (en) | 2016-01-06 |
US20120174562A1 (en) | 2012-07-12 |
CN102482967A (zh) | 2012-05-30 |
EP2479391A1 (en) | 2012-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5382129B2 (ja) | 内燃機関の排気浄化装置及び排気浄化方法 | |
US10619547B2 (en) | Diagnosis apparatus and diagnosis method for NOx sensor | |
US8347604B2 (en) | Device for determining deterioration of catalyst and method for determining deterioration of catalyst | |
WO2018097246A1 (ja) | 排気浄化装置の異常診断システム | |
JP5120464B2 (ja) | 排気浄化装置の異常検出装置及び排気浄化装置の異常検出方法 | |
EP3006689B1 (en) | Abnormality diagnosis apparatus of exhaust gas purification apparatus | |
WO2008126927A1 (ja) | アンモニア酸化触媒におけるn2o生成量推定方法および内燃機関の排気浄化システム | |
US10648391B2 (en) | Abnormality diagnosis system for an exhaust gas purification apparatus | |
JP2010112220A (ja) | 触媒の診断装置 | |
JP5045339B2 (ja) | 内燃機関の排気浄化システム | |
WO2013161032A1 (ja) | 内燃機関の排気浄化装置の異常判定システム | |
JP4561656B2 (ja) | 内燃機関の触媒温度推定装置 | |
US10815853B2 (en) | Abnormality diagnosis system for an exhaust gas purification apparatus | |
US20140050623A1 (en) | Apparatus for detecting deterioration of nox selective reduction catalyst | |
US8650859B2 (en) | Exhaust gas purification system for an internal combustion engine | |
EP3401522B1 (en) | Exhaust gas control system for internal combustion engine and method of controlling exhaust gas control system for internal combustion engine | |
US20090158716A1 (en) | Exhaust gas purification system for an internal combustion engine | |
JP5900617B2 (ja) | 内燃機関の排気浄化システム | |
JP4190378B2 (ja) | 内燃機関の触媒床温推定装置、及び内燃機関の制御装置 | |
JP2010133375A (ja) | センサの出力補正装置及びセンサの出力補正方法 | |
JP2020045796A (ja) | 内燃機関の排気浄化装置 | |
JP2020060121A (ja) | 内燃機関の排気浄化装置 | |
JP2018031356A (ja) | 内燃機関の排気浄化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200980161336.3 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09849479 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13394631 Country of ref document: US Ref document number: 2011531689 Country of ref document: JP |
|
REEP | Request for entry into the european phase |
Ref document number: 2009849479 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009849479 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |