GB201214585D0 - Method of optimizing the desulphation strategy of an internal combustion engine in urban driving condition - Google Patents

Method of optimizing the desulphation strategy of an internal combustion engine in urban driving condition

Info

Publication number
GB201214585D0
GB201214585D0 GB201214585A GB201214585A GB201214585D0 GB 201214585 D0 GB201214585 D0 GB 201214585D0 GB 201214585 A GB201214585 A GB 201214585A GB 201214585 A GB201214585 A GB 201214585A GB 201214585 D0 GB201214585 D0 GB 201214585D0
Authority
GB
United Kingdom
Prior art keywords
desulphation
optimizing
strategy
combustion engine
internal combustion
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.)
Withdrawn
Application number
GB201214585A
Other versions
GB2504975A (en
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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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 GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Priority to GB201214585A priority Critical patent/GB2504975A/en
Publication of GB201214585D0 publication Critical patent/GB201214585D0/en
Priority to CN201310355907.5A priority patent/CN103590913A/en
Publication of GB2504975A publication Critical patent/GB2504975A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • F02D2200/50—Input parameters for engine control said parameters being related to the vehicle or its components
    • F02D2200/501—Vehicle speed
    • 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
    • F02D41/1454—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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB201214585A 2012-08-15 2012-08-15 Method of controlling a DeSOx regeneration process of a Lean NOx Trap Withdrawn GB2504975A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB201214585A GB2504975A (en) 2012-08-15 2012-08-15 Method of controlling a DeSOx regeneration process of a Lean NOx Trap
CN201310355907.5A CN103590913A (en) 2012-08-15 2013-08-15 Method for optimizing the desulphatian strategy of an internal combustion engine under urban driving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201214585A GB2504975A (en) 2012-08-15 2012-08-15 Method of controlling a DeSOx regeneration process of a Lean NOx Trap

Publications (2)

Publication Number Publication Date
GB201214585D0 true GB201214585D0 (en) 2012-09-26
GB2504975A GB2504975A (en) 2014-02-19

Family

ID=46981579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201214585A Withdrawn GB2504975A (en) 2012-08-15 2012-08-15 Method of controlling a DeSOx regeneration process of a Lean NOx Trap

Country Status (2)

Country Link
CN (1) CN103590913A (en)
GB (1) GB2504975A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110630361B (en) * 2019-09-20 2021-02-05 东风商用车有限公司 SCR efficiency recovery control method
CN115111079B (en) * 2021-12-02 2024-05-31 长城汽车股份有限公司 Sulfur removal method and device for diesel vehicle, electronic equipment and vehicle

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247650A (en) * 1998-03-04 1999-09-14 Honda Motor Co Ltd Exhaust emission control device of internal combustion engine
JP4061817B2 (en) * 2000-04-28 2008-03-19 三菱自動車工業株式会社 Exhaust gas purification device for internal combustion engine
DE50114044D1 (en) * 2000-11-22 2008-08-07 Volkswagen Ag Process and devices for the regeneration of a NOx storage catalyst
JP4241032B2 (en) * 2002-12-26 2009-03-18 日産自動車株式会社 Sulfur poisoning release control device for diesel engine catalyst
JP2005002854A (en) * 2003-06-11 2005-01-06 Nissan Motor Co Ltd Exhaust gas emission control device for engine
DE10349854B4 (en) * 2003-10-22 2012-08-23 Volkswagen Ag Method and device for desulphurizing a NOx storage catalytic converter
JP4415648B2 (en) * 2003-11-05 2010-02-17 いすゞ自動車株式会社 Sulfur purge control method and exhaust gas purification system
GB2424197B (en) * 2005-03-15 2009-01-14 Ford Global Tech Llc A method for adaptively controlling the regeneration of a lean nox trap
US7788910B2 (en) * 2007-05-09 2010-09-07 Ford Global Technologies, Llc Particulate filter regeneration and NOx catalyst re-activation
JP4816606B2 (en) * 2007-09-18 2011-11-16 トヨタ自動車株式会社 Exhaust gas purification system for internal combustion engine
EP2420655B1 (en) * 2009-04-06 2015-11-04 Toyota Jidosha Kabushiki Kaisha Exhaust purification device for internal combustion engine

Also Published As

Publication number Publication date
GB2504975A (en) 2014-02-19
CN103590913A (en) 2014-02-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)