ATE554275T1 - Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr) - Google Patents
Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr)Info
- Publication number
- ATE554275T1 ATE554275T1 AT09173180T AT09173180T ATE554275T1 AT E554275 T1 ATE554275 T1 AT E554275T1 AT 09173180 T AT09173180 T AT 09173180T AT 09173180 T AT09173180 T AT 09173180T AT E554275 T1 ATE554275 T1 AT E554275T1
- Authority
- AT
- Austria
- Prior art keywords
- diagnostic
- catalytic reduction
- selective catalytic
- skr
- exhaust gas
- 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]
- 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
- 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
-
- 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
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/02—Catalytic activity of catalytic converters
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/18—Ammonia
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
-
- 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
- F01N2900/0402—Methods of control or diagnosing using adaptive learning
-
- 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
- F01N2900/0408—Methods of control or diagnosing using a feed-back loop
-
- 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
- F01N2900/0411—Methods of control or diagnosing using a feed-forward control
-
- 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
- F01N2900/0412—Methods of control or diagnosing using pre-calibrated maps, tables or charts
-
- 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
-
- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1621—Catalyst conversion efficiency
-
- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10817208P | 2008-10-24 | 2008-10-24 | |
US12/327,945 US20100101214A1 (en) | 2008-10-24 | 2008-12-04 | Diagnostic methods for selective catalytic reduction (scr) exhaust treatment system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE554275T1 true ATE554275T1 (de) | 2012-05-15 |
Family
ID=41528591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT09173180T ATE554275T1 (de) | 2008-10-24 | 2009-10-15 | Diagnoseverfahren zur abgasbehandlungssystem mit selektiver katalytischer reduktion (skr) |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100101214A1 (de) |
EP (1) | EP2180157B1 (de) |
AT (1) | ATE554275T1 (de) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009010888B4 (de) * | 2009-02-27 | 2012-02-02 | Continental Automotive Gmbh | Verfahren und Vorrichtung zur Steuerung eines SCR-Abgasnachbehandlungssystems einer Brennkraftmaschine |
GB0909987D0 (en) * | 2009-06-11 | 2009-07-22 | Agco Sa | Catalytic converter module |
JP5398372B2 (ja) * | 2009-06-18 | 2014-01-29 | Udトラックス株式会社 | エンジンの排気浄化装置 |
US8516796B2 (en) * | 2009-11-20 | 2013-08-27 | GM Global Technology Operations LLC | System and method for monitoring catalyst efficiency and post-catalyst oxygen sensor performance |
US20120067028A1 (en) * | 2010-02-22 | 2012-03-22 | Clerc James C | Aftertreatment catalyst degradation compensation |
US8429898B2 (en) * | 2010-06-18 | 2013-04-30 | GM Global Technology Operations LLC | Selective catalytic reduction (SCR) catalyst depletion control systems and methods |
US8454916B2 (en) | 2010-06-18 | 2013-06-04 | GM Global Technology Operations LLC | Selective catalytic reduction (SCR) catalyst depletion control systems and methods |
JP5883862B2 (ja) * | 2010-07-23 | 2016-03-15 | サウジ アラビアン オイル カンパニー | プログラマブルロジックコントローラ及びデータ伝送を一様に復元するためのコンピュータで実施する方法 |
JP2013534291A (ja) | 2010-08-18 | 2013-09-02 | エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング | 排ガス処理装置の作動方法 |
FR2968715B1 (fr) * | 2010-12-14 | 2015-10-02 | Peugeot Citroen Automobiles Sa | Procede de diagnostic d'un systeme de reduction catalytique selective pour un vehicule et vehicule correspondant |
DE102011011441B3 (de) | 2011-02-16 | 2012-06-14 | Mtu Friedrichshafen Gmbh | Verfahren zur dynamischen Durchbrucherkennung für SCR-Katalysatoren |
US9097192B2 (en) * | 2011-03-15 | 2015-08-04 | Delphi Technologies, Inc. | Method and apparatus for identifying gas sensor faults |
CN111502804B (zh) * | 2011-04-05 | 2022-04-05 | 卡明斯散发控制技术公司 | 用于后处理系统监测的系统、方法和设备 |
US9599006B2 (en) | 2011-08-30 | 2017-03-21 | GM Global Technology Operations LLC | Catalyst oxygen storage capacity adjustment systems and methods |
WO2013053088A1 (zh) * | 2011-10-09 | 2013-04-18 | 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 |
US20130152545A1 (en) * | 2011-12-14 | 2013-06-20 | Caterpillar Inc. | Diesel eission fluid quality detection system and method |
US8793976B2 (en) | 2012-01-19 | 2014-08-05 | GM Global Technology Operations LLC | Sulfur accumulation monitoring systems and methods |
WO2013134539A1 (en) * | 2012-03-07 | 2013-09-12 | Cummins Inc. | Method and algorithm for performing an nh3 sensor rationality diagnostic |
US9188046B2 (en) * | 2012-04-26 | 2015-11-17 | Toyota Jidosha Kabushiki Kaisha | Abnormality judging system for exhaust gas purification apparatus of internal combustion engine |
DE112014001022B4 (de) * | 2013-02-27 | 2021-07-29 | Cummins Ip, Inc. | Vorrichtung, Verfahren und System zur Diagnose der Leistung von Reduktionsmittelabgabe |
WO2015048099A1 (en) * | 2013-09-25 | 2015-04-02 | Cummins Inc. | Scr aftertreatment management to mitigate slip events |
US9771888B2 (en) | 2013-10-18 | 2017-09-26 | GM Global Technology Operations LLC | System and method for controlling an engine based on an oxygen storage capability of a catalytic converter |
SE540265C2 (sv) * | 2014-01-31 | 2018-05-15 | Scania Cv Ab | Förfarande och system vid tillförsel av tillsatsmedel till en avgasström |
DE102014208095B4 (de) * | 2014-04-29 | 2016-06-30 | Mtu Friedrichshafen Gmbh | Verfahren zur Alterungserkennung eines heterogenen Katalysators, Abgasnachbehandlungssystem für eine Brennkraftmaschine und Brennkraftmaschine |
US9115630B1 (en) | 2014-05-02 | 2015-08-25 | Cummins Inc. | Diagnostic for a mid-catalyst NH3 sensor |
US9606092B2 (en) | 2014-08-07 | 2017-03-28 | Cummins Emission Solutions, Inc. | NOx sensor diagnosis system and method |
US10071344B2 (en) * | 2015-10-19 | 2018-09-11 | Paccar Inc | Reductant dosing control using prediction of exhaust species in selective catalytic reduction |
DE102016122315A1 (de) | 2015-12-10 | 2017-06-14 | General Electric Company | System und Verfahren zur Fehlerdiagnose in einem Emissionssteuerungssystem |
US9650981B1 (en) | 2015-12-28 | 2017-05-16 | GM Global Technology Operations LLC | Adjustment of measured oxygen storage capacity based on upstream O2 sensor performance |
US9790835B1 (en) | 2016-04-25 | 2017-10-17 | Cummins Emission Solutions Inc. | Catalyst failure detection based combined ammonia to NOx ratios, conversion inefficiency values and ammonia slip values |
US10767584B2 (en) * | 2017-03-13 | 2020-09-08 | Cummins Inc. | Systems and methods for controlling an engine based on aftertreatment system characteristics |
CN107023359A (zh) * | 2017-06-07 | 2017-08-08 | 北京工业大学 | 一种非电控柴油机的NOx后处理系统 |
US10634032B2 (en) * | 2017-12-15 | 2020-04-28 | GM Global Technology Operations LLC | Method and apparatus for monitoring an exhaust aftertreatment system for an internal combustion engine |
US11107307B2 (en) * | 2018-05-01 | 2021-08-31 | Ford Global Technologies, Llc | Systems and methods for probabilistic on-board diagnostics |
DE102018213379A1 (de) * | 2018-08-09 | 2020-02-13 | Robert Bosch Gmbh | Verfahren zur Überwachung eines SCR-Katalysators |
DE102020205025A1 (de) | 2019-05-09 | 2020-11-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Überwachung eines SCR-Katalysators |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
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 |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
CN112697311B (zh) * | 2020-12-23 | 2022-10-28 | 潍柴动力股份有限公司 | 一种后处理排温传感器安装检测方法及装置 |
CN114790927B (zh) * | 2021-06-03 | 2023-12-19 | 长城汽车股份有限公司 | 尿素喷射控制方法、装置及终端设备 |
US11773798B1 (en) | 2022-12-01 | 2023-10-03 | Caterpillar Inc. | Controlling operation of an engine based on emissions monitoring |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6576587B2 (en) * | 2001-03-13 | 2003-06-10 | Delphi Technologies, Inc. | High surface area lean NOx catalyst |
US7093427B2 (en) * | 2002-11-21 | 2006-08-22 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US6981368B2 (en) * | 2002-11-21 | 2006-01-03 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
DE10300298A1 (de) * | 2003-01-02 | 2004-07-15 | Daimlerchrysler Ag | Abgasnachbehandlungseinrichtung und -verfahren |
US7240484B2 (en) * | 2003-12-29 | 2007-07-10 | Delphi Technologies, Inc. | Exhaust treatment systems and methods for using the same |
US7213395B2 (en) * | 2004-07-14 | 2007-05-08 | Eaton Corporation | Hybrid catalyst system for exhaust emissions reduction |
US20070044456A1 (en) * | 2005-09-01 | 2007-03-01 | Devesh Upadhyay | Exhaust gas aftertreatment systems |
US7418816B2 (en) * | 2005-09-01 | 2008-09-02 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US20070137181A1 (en) * | 2005-12-16 | 2007-06-21 | Devesh Upadhyay | Exhaust gas aftertreatment systems |
US7472545B2 (en) | 2006-05-25 | 2009-01-06 | Delphi Technologies, Inc. | Engine exhaust emission control system providing on-board ammonia generation |
US7426825B2 (en) * | 2006-07-25 | 2008-09-23 | Gm Global Technology Operations, Inc. | Method and apparatus for urea injection in an exhaust aftertreatment system |
US7610750B2 (en) * | 2006-07-25 | 2009-11-03 | Gm Global Technology Operations, Inc. | Method and apparatus for monitoring a urea injection system in an exhaust aftertreatment system |
-
2008
- 2008-12-04 US US12/327,945 patent/US20100101214A1/en not_active Abandoned
-
2009
- 2009-10-15 EP EP09173180A patent/EP2180157B1/de active Active
- 2009-10-15 AT AT09173180T patent/ATE554275T1/de active
Also Published As
Publication number | Publication date |
---|---|
US20100101214A1 (en) | 2010-04-29 |
EP2180157A2 (de) | 2010-04-28 |
EP2180157A3 (de) | 2010-07-21 |
EP2180157B1 (de) | 2012-04-18 |
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