DE59901653D1 - VERFAHREN ZUR TEMPERATUR- UND LAMBDAABHÄNGIGEN DE-SULFATIERUNG EINES NO x?-SPEICHERKATALYSATORS - Google Patents
VERFAHREN ZUR TEMPERATUR- UND LAMBDAABHÄNGIGEN DE-SULFATIERUNG EINES NO x?-SPEICHERKATALYSATORSInfo
- Publication number
- DE59901653D1 DE59901653D1 DE59901653T DE59901653T DE59901653D1 DE 59901653 D1 DE59901653 D1 DE 59901653D1 DE 59901653 T DE59901653 T DE 59901653T DE 59901653 T DE59901653 T DE 59901653T DE 59901653 D1 DE59901653 D1 DE 59901653D1
- Authority
- DE
- Germany
- Prior art keywords
- desulfation
- temperature
- storage catalyst
- lambda
- dependent
- 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 - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
-
- 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
- F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
- F02D41/028—Desulfurisation of NOx traps or adsorbent
-
- 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
- F01N2570/04—Sulfur or sulfur oxides
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19835808 | 1998-08-07 | ||
DE19849082A DE19849082A1 (de) | 1998-08-07 | 1998-10-24 | Verfahren zur temperatur- und lambdaabhängigen De-Sulfatierung eines NOx-Speicherkatalysators |
PCT/EP1999/004397 WO2000008312A1 (de) | 1998-08-07 | 1999-06-24 | VERFAHREN ZUR TEMPERATUR- UND LAMBDAABHÄNGIGEN DE-SULFATIERUNG EINES NOx-SPEICHERKATALYSATORS |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59901653D1 true DE59901653D1 (de) | 2002-07-11 |
Family
ID=7876838
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19849082A Withdrawn DE19849082A1 (de) | 1998-08-07 | 1998-10-24 | Verfahren zur temperatur- und lambdaabhängigen De-Sulfatierung eines NOx-Speicherkatalysators |
DE59901653T Expired - Lifetime DE59901653D1 (de) | 1998-08-07 | 1999-06-24 | VERFAHREN ZUR TEMPERATUR- UND LAMBDAABHÄNGIGEN DE-SULFATIERUNG EINES NO x?-SPEICHERKATALYSATORS |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19849082A Withdrawn DE19849082A1 (de) | 1998-08-07 | 1998-10-24 | Verfahren zur temperatur- und lambdaabhängigen De-Sulfatierung eines NOx-Speicherkatalysators |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE19849082A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5974790A (en) | 1998-03-05 | 1999-11-02 | Ford Global Technologies, Inc. | Catalytic converter decontamination method |
US6539704B1 (en) | 2000-03-17 | 2003-04-01 | Ford Global Technologies, Inc. | Method for improved vehicle performance |
DE10036390B4 (de) * | 2000-07-26 | 2010-05-12 | Volkswagen Ag | Verfahren und Vorrichtung zur Entschwefelung eines NOx-Speicherkatalysators |
FR2818309B1 (fr) * | 2000-12-15 | 2003-04-11 | Renault | Procede de pilotage d'un systeme de traitement des gaz d'echappement |
DE10103557B4 (de) * | 2001-01-26 | 2012-02-23 | Volkswagen Ag | Verfahren und Vorrichtung zur Entschwefelung einer Katalysatoreinrichtung |
DE10107388B4 (de) * | 2001-02-07 | 2012-08-02 | Volkswagen Ag | Verfahren zur Nachbehandlung eines Abgases einer magerlauffähigen Verbrennungskraftmaschine |
DE10164931B4 (de) * | 2001-05-31 | 2011-07-07 | Daimler AG, 70327 | Verfahren zur Desulfatisierung eines Stickoxid-Speicherkatalysators und Anwendung des Verfahrens |
FR2830772B1 (fr) * | 2001-10-12 | 2004-12-24 | Volkswagen Ag | Procedes et dispositif de desulfuration d'un catalyseur a accumulation de nox, implante en aval d'un moteur diesel |
DE10153901B4 (de) * | 2001-10-12 | 2011-07-14 | Volkswagen AG, 38440 | Verfahren und Vorrichtung zur Entschwefelung eines einem Dieselmotor nachgeschalteten NOx-Speicherkatalysators |
DE10238771B4 (de) | 2002-08-23 | 2009-01-22 | Umicore Ag & Co. Kg | Verfahren zur Desulfatisierung eines Stickoxid-Speicherkatalysators |
GB2396122A (en) * | 2002-12-12 | 2004-06-16 | Ford Global Tech Inc | A method for desulphating NOx traps and a method for sulphating an internal combustion engine emission control system under test conditions. |
JP4276910B2 (ja) * | 2003-04-15 | 2009-06-10 | トヨタ自動車株式会社 | NOx触媒の管理方法 |
DE10347275B4 (de) * | 2003-08-18 | 2012-03-01 | Volkswagen Ag | Verfahren und Vorrichtung zur Entschwefelung eines Katalysators |
DE10349854B4 (de) * | 2003-10-22 | 2012-08-23 | Volkswagen Ag | Verfahren und Vorrichtung zur Entschwefelung eines NOx-Speicherkatalysators |
US7104045B2 (en) | 2004-01-28 | 2006-09-12 | Ford Global Technologies, Llc | System and method for removing hydrogen sulfide from an emissions stream |
US7998447B2 (en) | 2004-01-28 | 2011-08-16 | Ford Global Technologies, Llc | Method for removing hydrogen sulfide from an emissions stream |
US7047730B2 (en) * | 2004-07-08 | 2006-05-23 | International Engine Intellectual Property Company, Llc | De-sulfurization of a NOx adsorber catalyst in a diesel engine exhaust system |
DE102005032941A1 (de) * | 2005-07-14 | 2007-01-18 | Siemens Ag | Verfahren und Vorrichtung zur Desulfatisierung eines NOx-Speicherkatalysators |
FR2925357A1 (fr) * | 2007-12-21 | 2009-06-26 | Renault Sas | Procede et systeme de regeneration d'un piege a nox |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5657625A (en) * | 1994-06-17 | 1997-08-19 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Apparatus and method for internal combustion engine control |
-
1998
- 1998-10-24 DE DE19849082A patent/DE19849082A1/de not_active Withdrawn
-
1999
- 1999-06-24 DE DE59901653T patent/DE59901653D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19849082A1 (de) | 2000-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |