WO2009063981A1 - 排気浄化システムの異常診断装置 - Google Patents
排気浄化システムの異常診断装置 Download PDFInfo
- Publication number
- WO2009063981A1 WO2009063981A1 PCT/JP2008/070787 JP2008070787W WO2009063981A1 WO 2009063981 A1 WO2009063981 A1 WO 2009063981A1 JP 2008070787 W JP2008070787 W JP 2008070787W WO 2009063981 A1 WO2009063981 A1 WO 2009063981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- urea solution
- aqueous urea
- exhaust gas
- sensor
- abnormality
- Prior art date
Links
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
- F01N3/10—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/30—Controlling by gas-analysis apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9495—Controlling the catalytic process
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/05—Systems for adding substances into exhaust
-
- 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
-
- 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
- F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—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
- 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
- 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
- F01N2900/1808—Pressure
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020097021013A KR101147588B1 (ko) | 2007-11-16 | 2008-11-14 | 배기 정화 시스템의 이상 진단 장치 |
EP08848643A EP2208873B1 (en) | 2007-11-16 | 2008-11-14 | Apparatus for diagnosis of abnormality in exhaust gas purification system |
CN2008800123663A CN101668931B (zh) | 2007-11-16 | 2008-11-14 | 排气净化系统的异常诊断装置 |
AT08848643T ATE538289T1 (de) | 2007-11-16 | 2008-11-14 | Vorrichtung zur diagnose von anomalien in einem abgasreinigungssystem |
US12/594,753 US8240130B2 (en) | 2007-11-16 | 2008-11-14 | Abnormality diagnosis apparatus for exhaust purification system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007298456A JP4840703B2 (ja) | 2007-11-16 | 2007-11-16 | 排気浄化システムの異常診断装置 |
JP2007-298456 | 2007-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009063981A1 true WO2009063981A1 (ja) | 2009-05-22 |
Family
ID=40638827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/070787 WO2009063981A1 (ja) | 2007-11-16 | 2008-11-14 | 排気浄化システムの異常診断装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8240130B2 (ja) |
EP (1) | EP2208873B1 (ja) |
JP (1) | JP4840703B2 (ja) |
KR (1) | KR101147588B1 (ja) |
CN (1) | CN101668931B (ja) |
AT (1) | ATE538289T1 (ja) |
WO (1) | WO2009063981A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010108790A1 (de) * | 2009-03-25 | 2010-09-30 | Continental Automotive Gmbh | Verfahren und vorrichtung zum überprüfen einer eindüsvorrichtung in einem abgasnachbehandlungssystem einer brennkraftmaschine. |
CN101696649B (zh) * | 2009-09-30 | 2011-02-09 | 无锡威孚力达催化净化器有限责任公司 | 选择性催化还原系统尿素溶液喷射电子控制器 |
CN113250797A (zh) * | 2021-04-29 | 2021-08-13 | 广西玉柴机器股份有限公司 | 一种尿素溶液消耗量偏差过程的诊断方法及装置 |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4692911B2 (ja) * | 2008-09-18 | 2011-06-01 | トヨタ自動車株式会社 | NOxセンサの出力較正装置及び出力較正方法 |
JP5440753B2 (ja) * | 2008-12-18 | 2014-03-12 | マツダ株式会社 | エンジンの排気浄化装置 |
JP4874364B2 (ja) * | 2009-04-14 | 2012-02-15 | 株式会社日本自動車部品総合研究所 | 内燃機関の排気浄化装置 |
JP2011052610A (ja) * | 2009-09-02 | 2011-03-17 | Toyota Industries Corp | 排気ガス浄化装置 |
JP5382129B2 (ja) | 2009-09-16 | 2014-01-08 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置及び排気浄化方法 |
JP5414504B2 (ja) * | 2009-12-18 | 2014-02-12 | ボッシュ株式会社 | 内燃機関の排気浄化装置 |
JP5462056B2 (ja) * | 2010-04-05 | 2014-04-02 | ボッシュ株式会社 | 排気浄化システムの異常診断装置及び異常診断方法並びに排気浄化システム |
JP5533235B2 (ja) * | 2010-05-17 | 2014-06-25 | いすゞ自動車株式会社 | NOxセンサ診断装置及びSCRシステム |
CN103097166B (zh) | 2010-06-15 | 2016-04-27 | 肖恩发展有限责任公司 | 用于流体贮存器的槽模块接口 |
US8495862B2 (en) * | 2010-10-06 | 2013-07-30 | GM Global Technology Operations LLC | System and method for detecting low quality reductant and catalyst degradation in selective catalytic reduction systems |
DE102010038176B4 (de) | 2010-10-14 | 2014-02-27 | Ford Global Technologies, Llc. | Verfahren zum Messen der Qualität der Ammoniakeinspritzung für ein Nachbehandlungssystem eines Kraftfahrzeugs |
WO2012063530A1 (ja) * | 2010-11-08 | 2012-05-18 | ボッシュ株式会社 | 還元剤噴射弁の異常判定装置及び還元剤供給装置 |
SE535363C2 (sv) * | 2010-11-17 | 2012-07-10 | Scania Cv Ab | Arrangemang samt förfarande för ett doseringssystem för tillförsel av ett reduktionsmedel i avgasflödet från en förbränningsanordning |
US8930121B2 (en) * | 2011-04-07 | 2015-01-06 | GM Global Technology Operations LLC | Offset and slow response diagnostic methods for NOx sensors in vehicle exhaust treatment applications |
CN102330592B (zh) * | 2011-10-09 | 2013-03-27 | 潍柴动力股份有限公司 | 用于柴油发动机的废气排放后处理的设备和方法 |
CN102518496A (zh) * | 2012-01-05 | 2012-06-27 | 潍柴动力股份有限公司 | 一种尿素喷射量的控制方法和系统 |
DE102012107430A1 (de) * | 2012-08-14 | 2014-02-20 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betrieb einer Dosiervorrichtung |
DE102013215891B4 (de) * | 2012-08-15 | 2020-12-17 | Ford Global Technologies, Llc | Verfahren und Vorrichtung zur Überwachung einer Reduktionsmittellösungszusammensetzung im Abgassystem eines Verbrennungsmotors |
US8943798B2 (en) | 2012-10-12 | 2015-02-03 | Ford Global Technologies, Llc | Methods and systems for ammonia slip detection |
JP6127509B2 (ja) * | 2012-12-28 | 2017-05-17 | いすゞ自動車株式会社 | 尿素scr用尿素水消費量診断装置 |
JP6127510B2 (ja) * | 2012-12-28 | 2017-05-17 | いすゞ自動車株式会社 | 尿素scr用尿素水消費量診断装置 |
DE102013207867B4 (de) * | 2013-04-30 | 2016-01-21 | Robert Bosch Gmbh | Verfahren zur Diagnose eines Dosierventils und Vorrichtung zur Durchführung des Verfahrens |
US9394822B2 (en) * | 2013-07-15 | 2016-07-19 | Ford Global Technologies, Llc | Emission control system including an oxidation catalyst and selective catalytic reduction catalyst |
JP6079567B2 (ja) * | 2013-11-01 | 2017-02-15 | トヨタ自動車株式会社 | 排気浄化装置の制御方法 |
US9217350B2 (en) * | 2013-11-13 | 2015-12-22 | Ford Global Technologies, Llc | Method and system for reductant injector degradation |
US9010087B1 (en) * | 2013-11-13 | 2015-04-21 | Ford Global Technologies, Llc | Method and system for NOx sensor degradation |
USD729722S1 (en) | 2014-05-28 | 2015-05-19 | Shaw Development LLC | Diesel emissions fluid tank floor |
USD729141S1 (en) | 2014-05-28 | 2015-05-12 | Shaw Development LLC | Diesel emissions fluid tank |
JP6330614B2 (ja) * | 2014-10-17 | 2018-05-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置の故障判定装置 |
US10094262B2 (en) * | 2015-06-02 | 2018-10-09 | Ngk Spark Plug Co., Ltd. | Concentration determination device and method |
US9670817B2 (en) * | 2015-06-15 | 2017-06-06 | Ford Global Technologies, Llc | Systems and methods for running a NOx self-diagnostic test |
KR101684135B1 (ko) | 2015-06-26 | 2016-12-08 | 현대자동차주식회사 | Scr 시스템의 고장진단방법 |
JP2017067041A (ja) * | 2015-10-01 | 2017-04-06 | 本田技研工業株式会社 | 内燃機関の排気浄化システム |
JP6631479B2 (ja) * | 2016-02-19 | 2020-01-15 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置の異常診断装置 |
US10570801B2 (en) * | 2016-06-24 | 2020-02-25 | Robert Bosch Gmbh | System and method of detecting an obstructed pressure line in a diesel exhaust fluid delivery system |
CN106290496A (zh) * | 2016-07-25 | 2017-01-04 | 杨林 | 用于柴油机废气的过滤器及其设备 |
US10018091B2 (en) * | 2016-11-17 | 2018-07-10 | Ford Global Technologies, Llc | Exhaust system |
DE112017006232T5 (de) * | 2016-12-12 | 2019-09-05 | Cummins Emission Solutions Inc. | Diagnostiksysteme und Verfahren zur Reduktionsmittelkonzentration |
DE102017204089A1 (de) * | 2017-03-13 | 2018-09-13 | Robert Bosch Gmbh | SCR-Katalysatorsystem und Verfahren zu seiner Diagnose |
JP6972878B2 (ja) * | 2017-10-10 | 2021-11-24 | 株式会社豊田自動織機 | 内燃機関の排気浄化装置の異常診断装置 |
US11286838B2 (en) | 2019-06-26 | 2022-03-29 | Ford Global Technologies, Llc | Methods for vehicle emissions control |
CN111120061B (zh) * | 2019-12-30 | 2021-10-15 | 广州城市职业学院 | 一种scr系统监控与故障诊断设备及方法 |
CN111005793B (zh) * | 2019-12-30 | 2021-05-18 | 潍柴动力股份有限公司 | 尿素消耗量异常检测方法、装置及存储介质 |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
CN112031903B (zh) * | 2020-09-10 | 2021-04-02 | 上海星融汽车科技有限公司 | 一种针对scr尿素喷射装置的故障诊断方法 |
CN112302771B (zh) * | 2020-11-06 | 2022-01-25 | 潍柴动力股份有限公司 | 检测尿素消耗量异常的方法、装置、设备及存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002525478A (ja) * | 1998-09-21 | 2002-08-13 | シーメンス アクチエンゲゼルシヤフト | 燃焼装置の排ガス中の有害物質含有量を低減する排ガス浄化設備及び方法 |
JP2005083223A (ja) | 2003-09-05 | 2005-03-31 | Nissan Diesel Motor Co Ltd | エンジンの排気浄化装置 |
JP2007032537A (ja) * | 2005-07-29 | 2007-02-08 | Suzuki Motor Corp | 下流側排気ガスセンサの故障診断装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19843174C2 (de) | 1998-09-21 | 2000-08-17 | Siemens Ag | Verfahren zum Steuern einer Brennkraftmaschine |
JP2001020724A (ja) | 1999-07-07 | 2001-01-23 | Isuzu Motors Ltd | ディーゼルエンジンのNOx浄化装置 |
JP2001234736A (ja) | 2000-02-25 | 2001-08-31 | Ngk Spark Plug Co Ltd | 脱硝装置及び脱硝方法 |
JP4326976B2 (ja) * | 2003-10-22 | 2009-09-09 | 日産ディーゼル工業株式会社 | エンジンの排気浄化装置 |
JP2006002663A (ja) * | 2004-06-17 | 2006-01-05 | Hino Motors Ltd | 排気浄化装置 |
JP4267535B2 (ja) * | 2004-07-23 | 2009-05-27 | 日野自動車株式会社 | 排気浄化装置のNOx低減率測定方法 |
JP3714559B1 (ja) * | 2004-11-05 | 2005-11-09 | 日産ディーゼル工業株式会社 | 排気浄化装置 |
-
2007
- 2007-11-16 JP JP2007298456A patent/JP4840703B2/ja not_active Expired - Fee Related
-
2008
- 2008-11-14 AT AT08848643T patent/ATE538289T1/de active
- 2008-11-14 US US12/594,753 patent/US8240130B2/en active Active
- 2008-11-14 KR KR1020097021013A patent/KR101147588B1/ko active IP Right Grant
- 2008-11-14 EP EP08848643A patent/EP2208873B1/en not_active Not-in-force
- 2008-11-14 WO PCT/JP2008/070787 patent/WO2009063981A1/ja active Application Filing
- 2008-11-14 CN CN2008800123663A patent/CN101668931B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002525478A (ja) * | 1998-09-21 | 2002-08-13 | シーメンス アクチエンゲゼルシヤフト | 燃焼装置の排ガス中の有害物質含有量を低減する排ガス浄化設備及び方法 |
JP2005083223A (ja) | 2003-09-05 | 2005-03-31 | Nissan Diesel Motor Co Ltd | エンジンの排気浄化装置 |
JP2007032537A (ja) * | 2005-07-29 | 2007-02-08 | Suzuki Motor Corp | 下流側排気ガスセンサの故障診断装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010108790A1 (de) * | 2009-03-25 | 2010-09-30 | Continental Automotive Gmbh | Verfahren und vorrichtung zum überprüfen einer eindüsvorrichtung in einem abgasnachbehandlungssystem einer brennkraftmaschine. |
CN101696649B (zh) * | 2009-09-30 | 2011-02-09 | 无锡威孚力达催化净化器有限责任公司 | 选择性催化还原系统尿素溶液喷射电子控制器 |
CN113250797A (zh) * | 2021-04-29 | 2021-08-13 | 广西玉柴机器股份有限公司 | 一种尿素溶液消耗量偏差过程的诊断方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
ATE538289T1 (de) | 2012-01-15 |
US8240130B2 (en) | 2012-08-14 |
US20100115918A1 (en) | 2010-05-13 |
EP2208873B1 (en) | 2011-12-21 |
KR101147588B1 (ko) | 2012-05-21 |
CN101668931A (zh) | 2010-03-10 |
JP4840703B2 (ja) | 2011-12-21 |
EP2208873A4 (en) | 2010-11-24 |
JP2009121413A (ja) | 2009-06-04 |
EP2208873A1 (en) | 2010-07-21 |
KR20090123943A (ko) | 2009-12-02 |
CN101668931B (zh) | 2012-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2009063981A1 (ja) | 排気浄化システムの異常診断装置 | |
CN108412589B (zh) | 内燃机的排气净化装置的异常诊断装置及诊断方法、内燃机系统及其控制方法 | |
WO2009031030A3 (en) | Exhaust emission control system of internal combustion engine and exhaust emission control method | |
CN101988422B (zh) | 用于对scr催化剂的工作进行检验的方法和系统 | |
US9657630B2 (en) | Diagnostic systems and methods for selective catalytic reduction (SCR) systems based on NOx sensor feedback | |
US8495862B2 (en) | System and method for detecting low quality reductant and catalyst degradation in selective catalytic reduction systems | |
WO2008078645A1 (ja) | 内燃機関の排気浄化装置 | |
WO2006081598A3 (de) | Verfahren zur diagnose eines abgasnachbehandlungssystems | |
ATE554274T1 (de) | Borddiagnoseverfahren für ein abgasnachverarbeitungssystem und borddiagnosesystem für ein abgasnachverarbeitungssystem | |
US9708952B2 (en) | Diagnostic device for urea water supply system | |
CN109339918B (zh) | 混合器结晶检测方法、混合器结晶处理方法及装置 | |
US8091343B2 (en) | Exhaust gas purification apparatus for internal combustion engine | |
EP3006689A1 (en) | Error diagnostic device for exhaust purification device | |
WO2009135021A3 (en) | Apparatus, system, and method for reducing nox emissions on an scr catalyst | |
EP1772599A3 (en) | System and method for monitoring of an exhaust gas treatment system | |
US9217351B2 (en) | Method and device for operating an SCR system | |
JP5461057B2 (ja) | 還元剤の異常検出方法 | |
JP5604953B2 (ja) | 排気ガス浄化装置及び排気ガス浄化装置の制御方法 | |
ATE557172T1 (de) | Abgasreinigungsvorrichtung für einen verbrennungsmotor | |
EP3006686B1 (en) | Abnormality diagnostis apparatus for exhaust purification apparatus | |
EP2133524A4 (en) | APPARATUS FOR PURIFYING EXHAUST GASES IN AN INTERNAL COMBUSTION ENGINE | |
Balland et al. | Control of a combined SCR on filter and under-floor SCR system for low emission passenger cars | |
US9482133B2 (en) | Exhaust emission control system of internal combustion engine | |
EP2843205B1 (en) | Abnormality judging system for exhaust gas purifiation apparatus of internal combustion engine | |
EP3453853B1 (en) | Exhaust gas purification system for internal combustion engine, and exhaust gas purification method for internal combustion engine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200880012366.3 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08848643 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12594753 Country of ref document: US Ref document number: 2008848643 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20097021013 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |