WO2000070201A1 - Verfahren zur entschwefelung von einem in einem abgaskanal einer verbrennungskraftmaschine angeordneten nox-speicherkatalysator - Google Patents
Verfahren zur entschwefelung von einem in einem abgaskanal einer verbrennungskraftmaschine angeordneten nox-speicherkatalysator Download PDFInfo
- Publication number
- WO2000070201A1 WO2000070201A1 PCT/EP2000/003582 EP0003582W WO0070201A1 WO 2000070201 A1 WO2000070201 A1 WO 2000070201A1 EP 0003582 W EP0003582 W EP 0003582W WO 0070201 A1 WO0070201 A1 WO 0070201A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- desulfurization
- combustion engine
- storage catalyst
- temperature
- nox
- 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
- F01N3/0807—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
- 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
- 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
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
-
- 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
- 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
- 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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
-
- 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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
- F02D41/1461—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine
- F02D41/1462—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine with determination means using an estimation
-
- 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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
- F02D41/1463—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases downstream of exhaust gas treatment 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/04—Sulfur or sulfur 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0818—SOx storage amount, e.g. for SOx trap or NOx trap
-
- 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
Definitions
- the invention relates to a method for desulfurization of at least one NO x storage catalytic converter arranged in an exhaust gas duct of an internal combustion engine with the features mentioned in the preamble of claim 1.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/031,657 US6637190B1 (en) | 1999-05-12 | 2000-04-20 | Method for desulphurating a nox-storage catalyst that is arranged in an exhaust channel of a combustion engine |
DE50012928T DE50012928D1 (de) | 1999-05-12 | 2000-04-20 | Verfahren zur entschwefelung von einem in einem abgaskanal einer verbrennungskraftmaschine angeordneten nox-speicherkatalysator |
EP00929396A EP1180201B1 (de) | 1999-05-12 | 2000-04-20 | Verfahren zur entschwefelung von einem in einem abgaskanal einer verbrennungskraftmaschine angeordneten nox-speicherkatalysator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921973A DE19921973A1 (de) | 1999-05-12 | 1999-05-12 | Verfahren zur Entschwefelung von wenigstens einem in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NO¶x¶-Speicherkatalysator |
DE19921973.7 | 1999-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000070201A1 true WO2000070201A1 (de) | 2000-11-23 |
Family
ID=7907883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/003582 WO2000070201A1 (de) | 1999-05-12 | 2000-04-20 | Verfahren zur entschwefelung von einem in einem abgaskanal einer verbrennungskraftmaschine angeordneten nox-speicherkatalysator |
Country Status (5)
Country | Link |
---|---|
US (1) | US6637190B1 (de) |
EP (1) | EP1180201B1 (de) |
CN (1) | CN1172079C (de) |
DE (2) | DE19921973A1 (de) |
WO (1) | WO2000070201A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE38051E1 (en) | 1998-03-05 | 2003-04-01 | Ford Global Technologies, Inc. | Catalytic converter decontamination method |
DE10223595A1 (de) * | 2002-05-27 | 2003-12-11 | Volkswagen Ag | Verfahren zum Betreiben eines Kraftfahrzeugs mit NOx-Speicherkatalysator |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10035525A1 (de) * | 2000-07-21 | 2002-02-07 | Bosch Gmbh Robert | Verfahren zum Betreiben eines Katalysators |
DE10040010A1 (de) * | 2000-08-11 | 2002-02-21 | Bosch Gmbh Robert | Verfahren zur Entschwefelung eines Speichermediums |
DE10107388B4 (de) * | 2001-02-07 | 2012-08-02 | Volkswagen Ag | Verfahren zur Nachbehandlung eines Abgases einer magerlauffähigen Verbrennungskraftmaschine |
JP3861733B2 (ja) * | 2002-04-04 | 2006-12-20 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP4046104B2 (ja) * | 2004-06-10 | 2008-02-13 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
FR2879656B1 (fr) * | 2004-12-22 | 2007-04-13 | Peugeot Citroen Automobiles Sa | Systeme de declenchement d'une purge de moyens de depollution comportant un piege a nox |
US20080006025A1 (en) * | 2006-07-06 | 2008-01-10 | Eaton Corporation | LNT regeneration during transient operation |
US10920645B2 (en) | 2018-08-02 | 2021-02-16 | Ford Global Technologies, Llc | Systems and methods for on-board monitoring of a passive NOx adsorption catalyst |
CN110284952A (zh) * | 2019-06-28 | 2019-09-27 | 潍柴动力股份有限公司 | 一种柴油机后处理系统催化剂硫中毒的处理方法和装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0869263A1 (de) * | 1997-03-31 | 1998-10-07 | Ford Global Technologies, Inc. | Verfahren und Einrichtung zur Aufrechterhaltung der Katalysatorfähigkeit einer Stickoxidfalle |
DE19747222C1 (de) * | 1997-10-25 | 1999-03-04 | Daimler Benz Ag | Verbrennungsmotoranlage mit Stickoxid-Speicherkatalysator und Betriebsverfahren hierfür |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69326217T3 (de) * | 1992-06-12 | 2009-11-12 | Toyota Jidosha Kabushiki Kaisha, Toyota-shi | Abgasemissionssteuerungssystem für verbrennungsmotoren |
JP2605586B2 (ja) * | 1992-07-24 | 1997-04-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JPH1071325A (ja) * | 1996-06-21 | 1998-03-17 | Ngk Insulators Ltd | エンジン排ガス系の制御方法および触媒/吸着手段の劣化検出方法 |
US5771685A (en) * | 1996-10-16 | 1998-06-30 | Ford Global Technologies, Inc. | Method for monitoring the performance of a NOx trap |
US5983627A (en) * | 1997-09-02 | 1999-11-16 | Ford Global Technologies, Inc. | Closed loop control for desulfating a NOx trap |
JP3456401B2 (ja) * | 1998-02-12 | 2003-10-14 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
JP2000265825A (ja) * | 1999-03-18 | 2000-09-26 | Nissan Motor Co Ltd | エンジンの排気浄化装置 |
US6305160B1 (en) * | 1999-07-12 | 2001-10-23 | Ford Global Technologies, Inc. | Emission control system |
US6308515B1 (en) * | 2000-03-17 | 2001-10-30 | Ford Global Technologies, Inc. | Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent |
-
1999
- 1999-05-12 DE DE19921973A patent/DE19921973A1/de not_active Ceased
-
2000
- 2000-04-20 WO PCT/EP2000/003582 patent/WO2000070201A1/de active IP Right Grant
- 2000-04-20 CN CNB008067678A patent/CN1172079C/zh not_active Expired - Fee Related
- 2000-04-20 DE DE50012928T patent/DE50012928D1/de not_active Expired - Lifetime
- 2000-04-20 EP EP00929396A patent/EP1180201B1/de not_active Expired - Lifetime
- 2000-04-20 US US10/031,657 patent/US6637190B1/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0869263A1 (de) * | 1997-03-31 | 1998-10-07 | Ford Global Technologies, Inc. | Verfahren und Einrichtung zur Aufrechterhaltung der Katalysatorfähigkeit einer Stickoxidfalle |
DE19747222C1 (de) * | 1997-10-25 | 1999-03-04 | Daimler Benz Ag | Verbrennungsmotoranlage mit Stickoxid-Speicherkatalysator und Betriebsverfahren hierfür |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE38051E1 (en) | 1998-03-05 | 2003-04-01 | Ford Global Technologies, Inc. | Catalytic converter decontamination method |
DE10223595A1 (de) * | 2002-05-27 | 2003-12-11 | Volkswagen Ag | Verfahren zum Betreiben eines Kraftfahrzeugs mit NOx-Speicherkatalysator |
Also Published As
Publication number | Publication date |
---|---|
US6637190B1 (en) | 2003-10-28 |
EP1180201A1 (de) | 2002-02-20 |
CN1172079C (zh) | 2004-10-20 |
EP1180201B1 (de) | 2006-06-07 |
CN1348527A (zh) | 2002-05-08 |
DE50012928D1 (de) | 2006-07-20 |
DE19921973A1 (de) | 2000-11-16 |
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