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GB2424197B - A method for adaptively controlling the regeneration of a lean nox trap - Google Patents

A method for adaptively controlling the regeneration of a lean nox trap

Info

Publication number
GB2424197B
GB2424197B GB0505272A GB0505272A GB2424197B GB 2424197 B GB2424197 B GB 2424197B GB 0505272 A GB0505272 A GB 0505272A GB 0505272 A GB0505272 A GB 0505272A GB 2424197 B GB2424197 B GB 2424197B
Authority
GB
United Kingdom
Prior art keywords
regeneration
nox trap
lean nox
adaptively controlling
adaptively
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
GB0505272A
Other versions
GB2424197A (en
GB0505272D0 (en
Inventor
Robert Anthony Marshall
Trevor Charles Taylor
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies 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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Priority to GB0505272A priority Critical patent/GB2424197B/en
Publication of GB0505272D0 publication Critical patent/GB0505272D0/en
Publication of GB2424197A publication Critical patent/GB2424197A/en
Application granted granted Critical
Publication of GB2424197B publication Critical patent/GB2424197B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01D53/9495—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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • 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
    • 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
    • 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
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Toxicology (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
GB0505272A 2005-03-15 2005-03-15 A method for adaptively controlling the regeneration of a lean nox trap Expired - Fee Related GB2424197B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0505272A GB2424197B (en) 2005-03-15 2005-03-15 A method for adaptively controlling the regeneration of a lean nox trap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0505272A GB2424197B (en) 2005-03-15 2005-03-15 A method for adaptively controlling the regeneration of a lean nox trap

Publications (3)

Publication Number Publication Date
GB0505272D0 GB0505272D0 (en) 2005-04-20
GB2424197A GB2424197A (en) 2006-09-20
GB2424197B true GB2424197B (en) 2009-01-14

Family

ID=34509079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0505272A Expired - Fee Related GB2424197B (en) 2005-03-15 2005-03-15 A method for adaptively controlling the regeneration of a lean nox trap

Country Status (1)

Country Link
GB (1) GB2424197B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013218234A1 (en) 2013-09-11 2015-03-12 Umicore Ag & Co. Kg Reduction of N2O in exhaust gas from lean-burn gasoline engines

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8196391B2 (en) * 2008-12-02 2012-06-12 Ford Global Technologies, Llc SCR emissions-control system
GB2502797A (en) * 2012-06-06 2013-12-11 Gm Global Tech Operations Inc Method of assessing the thermal ageing of a catalyst in an exhaust system
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
GB2532021B (en) 2014-11-05 2018-08-15 Ford Global Tech Llc A method of pre-emptively regenerating a lean NOx trap
GB2538961B (en) * 2015-06-01 2017-10-11 Ford Global Tech Llc A method of adaptively controlling purging of a lean NOx trap

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19844082C1 (en) * 1998-09-25 1999-10-14 Siemens Ag Regeneration of a nitrogen oxides storage catalyst used with lean burn engine
EP1209332A2 (en) * 2000-11-22 2002-05-29 Volkswagen Aktiengesellschaft Method and apparatus for regenerating a NOx storage catalyst
FR2847939A1 (en) * 2002-11-27 2004-06-04 Bosch Gmbh Robert Method of regenerating a catalytic accumulator volume installed in the exhaust gas from an internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19844082C1 (en) * 1998-09-25 1999-10-14 Siemens Ag Regeneration of a nitrogen oxides storage catalyst used with lean burn engine
EP1209332A2 (en) * 2000-11-22 2002-05-29 Volkswagen Aktiengesellschaft Method and apparatus for regenerating a NOx storage catalyst
FR2847939A1 (en) * 2002-11-27 2004-06-04 Bosch Gmbh Robert Method of regenerating a catalytic accumulator volume installed in the exhaust gas from an internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013218234A1 (en) 2013-09-11 2015-03-12 Umicore Ag & Co. Kg Reduction of N2O in exhaust gas from lean-burn gasoline engines
DE102013218234B4 (en) * 2013-09-11 2015-05-28 Umicore Ag & Co. Kg Using different strategies in the regeneration of nitrogen oxide storage catalysts to reduce N2O formation
US9719446B2 (en) 2013-09-11 2017-08-01 Umicore Ag & Co. Kg Reduction of N2O in the exhaust gas of lean-burn petrol engines

Also Published As

Publication number Publication date
GB2424197A (en) 2006-09-20
GB0505272D0 (en) 2005-04-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200315