EP1209332B8 - Method and device for regenerating an NOx storage catalytic converter - Google Patents

Method and device for regenerating an NOx storage catalytic converter Download PDF

Info

Publication number: EP1209332B8
Authority: EP; European Patent Office
Prior art keywords: regenerating; catalytic converter; nox storage; storage catalytic; nox
Prior art date: 2000-11-22
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

Application number

EP20010250407

Other languages

German (de)

French (fr)

Other versions

EP1209332A2 (en

EP1209332A3 (en

EP1209332B1 (en

Inventor

Hermann Hahn

Ekkehard Pott

Sören HINZE

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Volkswagen AG

Original Assignee

Volkswagen AG

Priority date (The priority date 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 date listed.)

2000-11-22

Filing date

2001-11-21

Publication date

2008-08-13

2000-11-22 Priority claimed from DE2000157938 external-priority patent/DE10057938A1/en

2000-11-22 Priority claimed from DE2000157936 external-priority patent/DE10057936A1/en

2001-11-21 Application filed by Volkswagen AG filed Critical Volkswagen AG

2002-05-29 Publication of EP1209332A2 publication Critical patent/EP1209332A2/en

2004-06-09 Publication of EP1209332A3 publication Critical patent/EP1209332A3/en

2008-06-25 Application granted granted Critical

2008-06-25 Publication of EP1209332B1 publication Critical patent/EP1209332B1/en

2008-08-13 Publication of EP1209332B8 publication Critical patent/EP1209332B8/en

2021-11-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the 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
- 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
- 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
- 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
- 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
- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
- F02D2200/0804—Estimation of the temperature of the exhaust gas treatment apparatus
- 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
- F02D2200/0806—NOx storage amount, i.e. amount of NOx stored on NOx trap
- 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
- F02D2200/0814—Oxygen storage amount
- 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
- F02D2200/0816—Oxygen storage capacity
- 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
- F02D41/1454—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 oxygen content or concentration or the air-fuel ratio

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)

EP20010250407 2000-11-22 2001-11-21 Method and device for regenerating an NOx storage catalytic converter Expired - Lifetime EP1209332B8 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE10057936		2000-11-22
DE2000157938 DE10057938A1 (en)	2000-11-22	2000-11-22	Regenerating nitrogen oxides storage catalyst in I.C. engine involves extrapolating oxygen-dependent signal from oxygen-sensitive measuring device
DE2000157936 DE10057936A1 (en)	2000-11-22	2000-11-22	Regenerating nitrogen oxides storage catalyst in exhaust gas channel of lean-burn I.C. engine involves using extrapolated oxygen-dependent signal
DE10057938		2000-11-22

Publications (4)

Publication Number	Publication Date
EP1209332A2 EP1209332A2 (en)	2002-05-29
EP1209332A3 EP1209332A3 (en)	2004-06-09
EP1209332B1 EP1209332B1 (en)	2008-06-25
EP1209332B8 true EP1209332B8 (en)	2008-08-13

Family

ID=26007746

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20010250407 Expired - Lifetime EP1209332B8 (en)	2000-11-22	2001-11-21	Method and device for regenerating an NOx storage catalytic converter

Country Status (2)

Country	Link
EP (1)	EP1209332B8 (en)
DE (1)	DE50114044D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10361286B4 (en)	2003-12-24	2013-09-19	Daimler Ag	Process for the regeneration of a nitrogen oxide storage catalyst
GB2424197B (en) *	2005-03-15	2009-01-14	Ford Global Tech Llc	A method for adaptively controlling the regeneration of a lean nox trap
US8006480B2 (en) *	2007-07-25	2011-08-30	Eaton Corporation	Physical based LNT regeneration strategy
GB2504975A (en) *	2012-08-15	2014-02-19	Gm Global Tech Operations Inc	Method of controlling a DeSOx regeneration process of a Lean NOx Trap
FR3030620B1 (en) *	2014-12-22	2018-03-09	Renault S.A.S	METHOD FOR PURGING A NITROGEN OXIDE TRAP AND ASSOCIATED MOTORIZATION DEVICE
US9631565B2 (en) *	2015-09-15	2017-04-25	Hyundai Motor Company	Control method for improving nitrogen oxide purification performance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0814031A (en) *	1994-06-24	1996-01-16	Hitachi Ltd	NO ▲ X ▼ Reduction Method of NOx Reduction Catalyst in Internal Combustion Engine and NO ▲ X ▼ Reduction Method
DE59800195D1 (en) *	1998-01-09	2000-08-17	Ford Global Tech Inc	Process for the regeneration of a nitrogen oxide trap in the exhaust system of an internal combustion engine
DE19808382A1 (en) *	1998-02-27	1999-09-02	Volkswagen Ag	Control of a NOx absorber catalytic converter
DE19844082C1 (en) *	1998-09-25	1999-10-14	Siemens Ag	Regeneration of a nitrogen oxides storage catalyst used with lean burn engine
FR2785331B1 (en) *	1998-10-28	2000-12-22	Renault	METHOD FOR CONTROLLING THE PURGE OF NITROGEN OXIDES FROM A CATALYTIC EXHAUST TREATMENT POT OF AN INTERNAL COMBUSTION ENGINE
DE19915793A1 (en) *	1999-04-08	2000-10-19	Daimler Chrysler Ag	Process for the desorption of a nitrogen oxide adsorber of an exhaust gas cleaning system

2001
- 2001-11-21 DE DE50114044T patent/DE50114044D1/en not_active Expired - Lifetime
- 2001-11-21 EP EP20010250407 patent/EP1209332B8/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP1209332A2 (en)	2002-05-29
DE50114044D1 (en)	2008-08-07
EP1209332A3 (en)	2004-06-09
EP1209332B1 (en)	2008-06-25

Publication	Publication Date	Title
GB2380434B (en)	2004-11-24	A system and method for estimating oxidant storage of a catalyst
MXPA01003937A (en)	2003-08-20	Method and catalyst for reducing nitrogen oxides.
AU2001289188A1 (en)	2002-03-13	Audio converter device and method for using the same
AU2002211004A1 (en)	2002-05-21	Catalyst for hydrocarbon reforming and method of reforming hydrocarbon with the same
EP1224970A4 (en)	2004-06-09	Deep desulfurization catalyst, method for preparing the same and method for desulfurization using the same
AU5653098A (en)	1998-06-10	Process and device for determining the cell density of a honeycombed body, in particular for an exhaust fume catalytic converter
AU1467201A (en)	2001-06-06	Method and apparatus to provide reductant for NOx
IL147879A0 (en)	2002-08-14	Method, system and computer readable storage medium for automatic device driver configuration
AU2001287753A1 (en)	2002-03-26	Catalyst and method for the catalytic reduction of nitrogen oxides
ID26707A (en)	2001-02-01	CATALYSTS FOR PRODUCTION-OLEFIN AND PRODUCTION-OLEFIN METHODS
PL355105A1 (en)	2004-04-05	Method and device for controlling an exhaust gas aftertreatment system
AU2654597A (en)	1998-09-29	Device and method for reducing emissions in catalytic converter exhaust systems
AU4274700A (en)	2000-11-10	Welding method and welding device for carrying out said welding method
AU2003244308A1 (en)	2004-01-06	METHOD OF REGENERATING NOx REMOVAL CATALYST
GB0120959D0 (en)	2001-10-17	Exhaust gas desulfurizing method and system therefor
AU3520000A (en)	2000-09-28	Exhaust gas catalytic converter
GB0019253D0 (en)	2000-09-27	Selective storage access apparatus,method and system
AU2003280652A1 (en)	2004-06-03	Denitration catalyst management method and denitration catalyst management device
DE50013777D1 (en)	2007-01-04	EMISSION CONTROL METHOD AND EMISSION CONTROL DEVICE WITH NO x? STORAGE Catalyst and Precatalyst
EP1209332B8 (en)	2008-08-13	Method and device for regenerating an NOx storage catalytic converter
AU3548600A (en)	2000-11-02	Method and device for exhaust gas cleaning
AU2001226786A1 (en)	2001-08-07	Method and device for detecting a nox storage capacity of a nox storage catalyst
AU2001229947A1 (en)	2001-08-27	Method and device for purifying liquids
GB0024962D0 (en)	2000-11-29	Data storage device and method for improving data storage device performance
AU2914000A (en)	2000-09-21	Catalytic converter unit with catalyst substrate and device and method for producing same

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2004-03-31	RIC1	Information provided on ipc code assigned before grant	Ipc: 7F 02D 41/14 B Ipc: 7F 01N 3/08 B Ipc: 7F 02D 41/02 A
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