DE50108667D1 - METHOD AND DEVICE FOR CONTROLLING DISCHARGE OF A NOX MEMORY CATALYST ARRANGED IN AN EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE - Google Patents

METHOD AND DEVICE FOR CONTROLLING DISCHARGE OF A NOX MEMORY CATALYST ARRANGED IN AN EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE

Info

Publication number
DE50108667D1
DE50108667D1 DE50108667T DE50108667T DE50108667D1 DE 50108667 D1 DE50108667 D1 DE 50108667D1 DE 50108667 T DE50108667 T DE 50108667T DE 50108667 T DE50108667 T DE 50108667T DE 50108667 D1 DE50108667 D1 DE 50108667D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
exhaust channel
controlling discharge
catalyst arranged
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
Application number
DE50108667T
Other languages
German (de)
Inventor
Ekkehard Pott
Hermann Hahn
Soeren Hinze
Michael Zillmer
Axel Lang
Frank Schulze
Jens Drueckhammer
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.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Priority to DE50108667T priority Critical patent/DE50108667D1/en
Application granted granted Critical
Publication of DE50108667D1 publication Critical patent/DE50108667D1/en
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
    • 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
    • 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
    • F02D41/146—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
    • F02D41/1463—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)
DE50108667T 2000-01-15 2001-01-11 METHOD AND DEVICE FOR CONTROLLING DISCHARGE OF A NOX MEMORY CATALYST ARRANGED IN AN EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE Expired - Lifetime DE50108667D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50108667T DE50108667D1 (en) 2000-01-15 2001-01-11 METHOD AND DEVICE FOR CONTROLLING DISCHARGE OF A NOX MEMORY CATALYST ARRANGED IN AN EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000101432 DE10001432A1 (en) 2000-01-15 2000-01-15 Control of desulfurization of nitrogen oxides storage catalyst in IC engine exhaust system using sensor downstream from catalyst to determine its activity and desulfurization of catalyst if this falls below threshold value
DE50108667T DE50108667D1 (en) 2000-01-15 2001-01-11 METHOD AND DEVICE FOR CONTROLLING DISCHARGE OF A NOX MEMORY CATALYST ARRANGED IN AN EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE
PCT/EP2001/000249 WO2001051779A1 (en) 2000-01-15 2001-01-11 METHOD AND DEVICE FOR CONTROL OF DESULPHURISATION OF AN NOx STORAGE CATALYST ARRANGED IN AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

Publications (1)

Publication Number Publication Date
DE50108667D1 true DE50108667D1 (en) 2006-04-06

Family

ID=7627577

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2000101432 Withdrawn DE10001432A1 (en) 2000-01-15 2000-01-15 Control of desulfurization of nitrogen oxides storage catalyst in IC engine exhaust system using sensor downstream from catalyst to determine its activity and desulfurization of catalyst if this falls below threshold value
DE50108667T Expired - Lifetime DE50108667D1 (en) 2000-01-15 2001-01-11 METHOD AND DEVICE FOR CONTROLLING DISCHARGE OF A NOX MEMORY CATALYST ARRANGED IN AN EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2000101432 Withdrawn DE10001432A1 (en) 2000-01-15 2000-01-15 Control of desulfurization of nitrogen oxides storage catalyst in IC engine exhaust system using sensor downstream from catalyst to determine its activity and desulfurization of catalyst if this falls below threshold value

Country Status (7)

Country Link
EP (1) EP1252419B1 (en)
JP (1) JP4619603B2 (en)
CN (1) CN1185405C (en)
AU (1) AU2001230174A1 (en)
DE (2) DE10001432A1 (en)
ES (1) ES2256197T3 (en)
WO (1) WO2001051779A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114456B4 (en) * 2000-04-07 2011-03-31 Volkswagen Ag Apparatus and method for coordinating exhaust gas-relevant measures
DE10102132B4 (en) * 2001-01-18 2009-12-10 Volkswagen Ag Method and device for desulphurizing a NOx storage catalytic converter
DE10115962B4 (en) * 2001-03-27 2009-03-05 Volkswagen Ag Process for the desulfurization of an arranged in the exhaust line of an internal combustion engine NOx storage catalyst
DE10249609B4 (en) * 2002-10-18 2011-08-11 Volkswagen AG, 38440 Method for controlling a NOx storage catalytic converter
FR2862703B1 (en) * 2003-11-25 2006-02-24 Peugeot Citroen Automobiles Sa A NOX TRAP DESULFATATION SYSTEM FOR MOTOR VEHICLE ENGINE
FR2872214B1 (en) 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa SYSTEM FOR MONITORING THE REGENERATION OF MEANS OF DEPOLLUTION
FR2872210B1 (en) * 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa EMERGENCY MEANS REGENERATION SYSTEM FOR MOTOR VEHICLE
FR2872213B1 (en) 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa EMERGENCY MEANS REGENERATION SYSTEM FOR MOTOR VEHICLE ENGINE
US7481046B2 (en) * 2005-02-28 2009-01-27 Ford Global Technologies, Llc Method of desulfating a NOx storage and conversion device
FR2897103B1 (en) * 2006-02-09 2011-06-10 Peugeot Citroen Automobiles Sa SYSTEM AND METHOD FOR SOX REMOVAL (SULFUR OXIDE), STOP MODULE FOR THIS SYSTEM
FR2897102B1 (en) * 2006-02-09 2012-06-01 Peugeot Citroen Automobiles Sa SYSTEM AND METHOD FOR SOX REMOVAL (SULFUR OXIDE), AND GENERATOR OF REQUESTS FOR THIS SYSTEM
JP4404073B2 (en) * 2006-06-30 2010-01-27 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP2009024505A (en) * 2007-07-17 2009-02-05 Toyota Motor Corp Exhaust emission control device
WO2013190633A1 (en) * 2012-06-19 2013-12-27 トヨタ自動車株式会社 Exhaust purification device for internal combustion engine
JP6102856B2 (en) * 2014-08-01 2017-03-29 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
CN113482752B (en) * 2021-07-02 2022-06-24 东风商用车有限公司 Packaging method of diesel engine post-processing packaging unit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3203931B2 (en) * 1994-01-28 2001-09-04 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US5743084A (en) * 1996-10-16 1998-04-28 Ford Global Technologies, Inc. Method for monitoring the performance of a nox trap
DE19705335C1 (en) * 1997-02-12 1998-09-17 Siemens Ag Process for the regeneration of a storage catalytic converter
DE19706608A1 (en) * 1997-02-20 1998-08-27 Ford Global Tech Inc Process for the desulfurization of a nitrogen oxide trap in the exhaust system of an internal combustion engine
JP3645704B2 (en) * 1997-03-04 2005-05-11 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP3772478B2 (en) * 1997-07-17 2006-05-10 株式会社日立製作所 Regeneration method of exhaust gas purification catalyst for internal combustion engine
JP3525708B2 (en) * 1997-11-10 2004-05-10 三菱自動車工業株式会社 Lean-burn internal combustion engine
JP3805098B2 (en) * 1998-03-26 2006-08-02 株式会社日立製作所 Engine exhaust gas purification control device
JP3518348B2 (en) * 1998-07-07 2004-04-12 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US6205773B1 (en) * 1998-07-07 2001-03-27 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an internal combustion engine
DE19830829C1 (en) * 1998-07-09 1999-04-08 Siemens Ag NOX storage catalyst regeneration process
JP4258923B2 (en) * 1999-11-22 2009-04-30 マツダ株式会社 Engine exhaust purification system
JP2002097939A (en) * 2001-07-31 2002-04-05 Mitsubishi Motors Corp Exhaust emission control device for internal combustion engine

Also Published As

Publication number Publication date
JP4619603B2 (en) 2011-01-26
ES2256197T3 (en) 2006-07-16
EP1252419A1 (en) 2002-10-30
DE10001432A1 (en) 2001-08-16
CN1395648A (en) 2003-02-05
EP1252419B1 (en) 2006-01-11
CN1185405C (en) 2005-01-19
JP2003519744A (en) 2003-06-24
AU2001230174A1 (en) 2001-07-24
WO2001051779A1 (en) 2001-07-19

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)