[go: up one dir, main page]

EP1124050A3 - Procédé et dispositif de la désulfatation d'un catalyseur accumulateur de nox - Google Patents

Procédé et dispositif de la désulfatation d'un catalyseur accumulateur de nox Download PDF

Info

Publication number
EP1124050A3
EP1124050A3 EP01101850A EP01101850A EP1124050A3 EP 1124050 A3 EP1124050 A3 EP 1124050A3 EP 01101850 A EP01101850 A EP 01101850A EP 01101850 A EP01101850 A EP 01101850A EP 1124050 A3 EP1124050 A3 EP 1124050A3
Authority
EP
European Patent Office
Prior art keywords
catalytic converter
storage catalytic
exhaust gas
desulfurization
concentration
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.)
Granted
Application number
EP01101850A
Other languages
German (de)
English (en)
Other versions
EP1124050B1 (fr
EP1124050A2 (fr
Inventor
Stephan Ramatschi
Peter Müller
Stefan Detterbeck
Igor Milanovic
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1124050A2 publication Critical patent/EP1124050A2/fr
Publication of EP1124050A3 publication Critical patent/EP1124050A3/fr
Application granted granted Critical
Publication of EP1124050B1 publication Critical patent/EP1124050B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • 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
    • 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
    • F02D2200/0811—NOx storage efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
EP01101850A 2000-02-08 2001-01-26 Procédé et dispositif de la désulfatation d'un catalyseur accumulateur de nox Expired - Lifetime EP1124050B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10005473A DE10005473C2 (de) 2000-02-08 2000-02-08 Verfahren und Vorrichtung zur Desulfatisierung eines Stickoxidspeicherkatalysators
DE10005473 2000-02-08

Publications (3)

Publication Number Publication Date
EP1124050A2 EP1124050A2 (fr) 2001-08-16
EP1124050A3 true EP1124050A3 (fr) 2004-02-25
EP1124050B1 EP1124050B1 (fr) 2005-12-21

Family

ID=7630186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01101850A Expired - Lifetime EP1124050B1 (fr) 2000-02-08 2001-01-26 Procédé et dispositif de la désulfatation d'un catalyseur accumulateur de nox

Country Status (2)

Country Link
EP (1) EP1124050B1 (fr)
DE (2) DE10005473C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303085B4 (de) * 2002-01-28 2011-08-11 Toyota Jidosha Kabushiki Kaisha, Aichi-ken Abgassteuerungsvorrichtung und -verfahren eines Verbrennungsmotors
JP3867612B2 (ja) * 2002-04-12 2007-01-10 トヨタ自動車株式会社 内燃機関の空燃比制御装置
KR102107710B1 (ko) 2016-02-10 2020-05-07 스카니아 씨브이 악티에볼라그 배기 센서를 진단하기 위한 시스템 및 방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724808A (en) * 1995-04-26 1998-03-10 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control system for internal combustion engines
EP0915244A2 (fr) * 1997-11-10 1999-05-12 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Dispositif de purification de gaz d'échappement pour un moteur à combustion interne
DE19859462A1 (de) * 1998-03-05 1999-09-09 Ford Global Tech Verfahren zur Entgiftung eines Katalysators
EP0962639A1 (fr) * 1998-06-03 1999-12-08 Renault Procédé et dispositif de commande de purge en oxydes de soufre d'un pot catalytique de traitement des gaz d'échappement d'un moteur à combustion interne
DE19827195A1 (de) * 1998-06-18 1999-12-23 Volkswagen Ag Verfahren zur De-Sulfatierung eines NOx-Speicherkatalysators
EP0972927A2 (fr) * 1998-07-17 2000-01-19 Denso Corporation Système et méthode de purification de gaz d'échappement d'un moteur à combustion interne

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19731624A1 (de) * 1997-07-23 1999-01-28 Volkswagen Ag Verfahren und Vorrichtung zur Überwachung der De-Sulfatierung bei NOx-Speicherkatalysatoren
DE19801815A1 (de) * 1998-01-19 1999-07-22 Volkswagen Ag Mager-Regeneration von NOx-Speichern
DE19816276C2 (de) * 1998-04-11 2000-05-18 Audi Ag Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
DE19830829C1 (de) * 1998-07-09 1999-04-08 Siemens Ag Verfahren zur Regeneration eines NOx-Speicherkatalysators

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724808A (en) * 1995-04-26 1998-03-10 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control system for internal combustion engines
EP0915244A2 (fr) * 1997-11-10 1999-05-12 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Dispositif de purification de gaz d'échappement pour un moteur à combustion interne
DE19859462A1 (de) * 1998-03-05 1999-09-09 Ford Global Tech Verfahren zur Entgiftung eines Katalysators
EP0962639A1 (fr) * 1998-06-03 1999-12-08 Renault Procédé et dispositif de commande de purge en oxydes de soufre d'un pot catalytique de traitement des gaz d'échappement d'un moteur à combustion interne
DE19827195A1 (de) * 1998-06-18 1999-12-23 Volkswagen Ag Verfahren zur De-Sulfatierung eines NOx-Speicherkatalysators
EP0972927A2 (fr) * 1998-07-17 2000-01-19 Denso Corporation Système et méthode de purification de gaz d'échappement d'un moteur à combustion interne

Also Published As

Publication number Publication date
DE10005473A1 (de) 2001-08-09
DE50108418D1 (de) 2006-01-26
EP1124050B1 (fr) 2005-12-21
DE10005473C2 (de) 2002-01-17
EP1124050A2 (fr) 2001-08-16

Similar Documents

Publication Publication Date Title
DE102014109450B4 (de) System und Verfahren zum Entschwefeln einer Mager-NOx-Falle
DE19731623B4 (de) Verfahren und Vorrichtung zur De-Sulfatierung von NOx-Speichern bei Dieselmotoren
EP0987408A3 (fr) Procédé de fonctionnement d'un moteur à combustion interne avec composants de purification de gaz d'échappement accumulés en soufre et moteur à combustion interne fonctionnant à l'aide de ce procédé
DE102014105210A1 (de) System und Verfahren zum Reinigen von Abgas
DE59000979D1 (de) Verfahren zum regenerieren eines russfilters einer diesel-brennkraftmaschine, sowie vorrichtung zur durchfuehrung dieses verfahrens.
DE102015224267B4 (de) Abgasreinigungseinrichtung und Verfahren zum Berechnen der NOx-Masse, die in der Mager-NOx-Falle bei der Regenerierung reduziert wird
DE102009044689A1 (de) Abgasvorrichtung für ein Dieselfahrzeug
EP1101908A3 (fr) Dispositif et méthode servant à limiter la quantité de composants nocifs presents dans les gaz d'échappement d'un moteur à combustion interne, en particulier d'un moteur à combustion interne Diesel
EP1192343B1 (fr) PROCEDE PERMETTANT DE LANCER ET DE SURVEILLER LA DESULFURATION D'AU MOINS UN CATALYSEUR A STOCKAGE DE NOx PLACE DANS UN TUYAU D'ECHAPPEMENT D'UN MOTEUR A COMBUSTION INTERNE
EP1124050A3 (fr) Procédé et dispositif de la désulfatation d'un catalyseur accumulateur de nox
DE10361791A1 (de) Vorrichtung zur Reinigung des Abgases einer Brennkraftmaschine und Verfahren zur Regeneration einer solchen Abgasreinigungsanlage
EP1124051A3 (fr) Procédé et dispositif pour la désulfatation d'un catalyseur accumulateur de nox avec capteur de nox
EP1215373A3 (fr) Dispositif de purification des gaz d'échappement pour éliminer les oxydes d'azote contenus dans le gaz d'échappement d'un moteur à combustion interne
JPS57171425A (en) System for denitrating waste gas
EP1422410A3 (fr) Procédé de gestion du fonctionnement d'un moteur à combustion interne multi-cylindres avec catalysateur d'accumulation de NOx
DE102005053945A1 (de) System zur Überwachung von Abgaskonzentrationen
EP1136670A3 (fr) Dispositif et procédé de surveillance d'un catalyseur à trois voies dans le pot d'échappement d'un moteur à combustion interne
WO2007006655A1 (fr) Procede et dispositif pour desulfater un catalyseur accumulateur de nox
Sachdev et al. Effect of ash accumulation on the performance of diesel exhaust particulate traps
DE102017211710A1 (de) Ermitteln der Schwefelbeladung eines LNT
DE19949046A1 (de) Abgasreinigungsanlage mit interner Erzeugung und Zwischenspeicherung von Ammoniak sowie Betriebsverfahren hierfür
EP1209332A3 (fr) Méthode et appareil de régénération d'un catalyseur accumulateur de NOx
DE102008037156A1 (de) Verfahren und eine Vorrichtung zur Reinigung eines Abgasstroms einer magerlauffähigen Brennkraftmaschine
EP1160425A3 (fr) Méthode et procédé pour la régénération d'un catalyseur à stockage de NOx
EP0864356A3 (fr) Dispositif pour le post-traitement de gaz d'échappement d'un moteur à allumage commandé

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIC1 Information provided on ipc code assigned before grant

Ipc: 7F 02D 41/14 B

Ipc: 7F 02D 41/02 A

17P Request for examination filed

Effective date: 20040308

17Q First examination report despatched

Effective date: 20040428

AKX Designation fees paid

Designated state(s): DE FR GB IT SE

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50108418

Country of ref document: DE

Date of ref document: 20060126

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20060108

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20060922

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20140113

Year of fee payment: 14

Ref country code: DE

Payment date: 20140122

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20140131

Year of fee payment: 14

Ref country code: FR

Payment date: 20140129

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20140206

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50108418

Country of ref document: DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20150126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150126

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150801

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20150930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150127

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150126