FR2904364B1 - Procede de determination de la decharge de soufre d'un catalyseur accumulateur d'oxydes d'azote nox - Google Patents

Procede de determination de la decharge de soufre d'un catalyseur accumulateur d'oxydes d'azote nox

Info

Publication number
FR2904364B1
FR2904364B1 FR0756765A FR0756765A FR2904364B1 FR 2904364 B1 FR2904364 B1 FR 2904364B1 FR 0756765 A FR0756765 A FR 0756765A FR 0756765 A FR0756765 A FR 0756765A FR 2904364 B1 FR2904364 B1 FR 2904364B1
Authority
FR
France
Prior art keywords
determining
nitrogen oxide
sulfur discharge
accumulator catalyst
oxide accumulator
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 - Fee Related
Application number
FR0756765A
Other languages
English (en)
Other versions
FR2904364A1 (fr
Inventor
Stefan Scherer
Simone Neuberth
Christian Covini
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2904364A1 publication Critical patent/FR2904364A1/fr
Application granted granted Critical
Publication of FR2904364B1 publication Critical patent/FR2904364B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02D41/021—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
    • 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
    • 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
    • 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
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • 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
    • 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
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry

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)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR0756765A 2006-07-31 2007-07-27 Procede de determination de la decharge de soufre d'un catalyseur accumulateur d'oxydes d'azote nox Expired - Fee Related FR2904364B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006035283.1A DE102006035283B4 (de) 2006-07-31 2006-07-31 Verfahren zur Bestimmung der Schwefelentladung eines NOx-Speicherkatalysators

Publications (2)

Publication Number Publication Date
FR2904364A1 FR2904364A1 (fr) 2008-02-01
FR2904364B1 true FR2904364B1 (fr) 2013-03-01

Family

ID=38884753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0756765A Expired - Fee Related FR2904364B1 (fr) 2006-07-31 2007-07-27 Procede de determination de la decharge de soufre d'un catalyseur accumulateur d'oxydes d'azote nox

Country Status (4)

Country Link
US (1) US8074447B2 (fr)
DE (1) DE102006035283B4 (fr)
FR (1) FR2904364B1 (fr)
IT (1) ITMI20071487A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110171324A1 (en) * 2010-01-14 2011-07-14 Richard William Clemente Method of treating or preventing disease in bees
KR101251519B1 (ko) * 2010-12-02 2013-04-05 현대자동차주식회사 질소산화물 저감 촉매에 저장되는 황산화물의 양을 예측하는 방법 및 이를 이용한 배기 장치
CN102937556A (zh) * 2011-08-16 2013-02-20 贵州兴化化工股份有限公司 一种测量脱硫液中悬浮硫含量的方法
US8617495B1 (en) * 2012-11-08 2013-12-31 GM Global Technology Operations LLC Exhaust gas aftertreatment desulfurization control
CN103016121B (zh) * 2012-12-28 2014-12-31 潍柴动力股份有限公司 排放超标及老化检测的方法和系统
DE102021116698A1 (de) 2021-06-29 2022-12-29 Ford Global Technologies, Llc Steuerung einer Entschwefelung eines Stickoxid-Speicherkatalysators

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6199374B1 (en) * 1997-10-22 2001-03-13 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying device for engine
DE19910664A1 (de) * 1999-03-11 2000-09-14 Volkswagen Ag Verfahren zur De-Sulfatierung eines NOx-Speicherkatalysators
US7082753B2 (en) * 2001-12-03 2006-08-01 Catalytica Energy Systems, Inc. System and methods for improved emission control of internal combustion engines using pulsed fuel flow
DE10321676A1 (de) * 2003-05-14 2004-12-09 Umicore Ag & Co.Kg Regeneration am Dieselpartikelfilter mittels Lambda-Variation
JP2004339993A (ja) * 2003-05-14 2004-12-02 Toyota Motor Corp 内燃機関の排気浄化システム
DE102005014872A1 (de) * 2004-03-31 2005-11-17 Mitsubishi Fuso Truck And Bus Corp. Abgasreinigungsvorrichtung
WO2006041545A2 (fr) * 2004-10-04 2006-04-20 Southwest Research Institute Procede de desulfuration de pieges a nox pauvre et de regeneration simultanee d'un filtres a particules de moteur diesel

Also Published As

Publication number Publication date
ITMI20071487A1 (it) 2008-02-01
FR2904364A1 (fr) 2008-02-01
US20080022667A1 (en) 2008-01-31
US8074447B2 (en) 2011-12-13
DE102006035283B4 (de) 2015-07-16
DE102006035283A1 (de) 2008-02-07

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