GB9626290D0 - Method of de-sulphurating engine exhaust NOx traps - Google Patents

Method of de-sulphurating engine exhaust NOx traps

Info

Publication number
GB9626290D0
GB9626290D0 GBGB9626290.2A GB9626290A GB9626290D0 GB 9626290 D0 GB9626290 D0 GB 9626290D0 GB 9626290 A GB9626290 A GB 9626290A GB 9626290 D0 GB9626290 D0 GB 9626290D0
Authority
GB
United Kingdom
Prior art keywords
sulphurating
engine exhaust
exhaust nox
nox traps
traps
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.)
Pending
Application number
GBGB9626290.2A
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 Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Motor Co Ltd
Ford Motor Co
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 Motor Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd
Priority to GBGB9626290.2A priority Critical patent/GB9626290D0/en
Publication of GB9626290D0 publication Critical patent/GB9626290D0/en
Priority to PCT/GB1997/003369 priority patent/WO1998027322A1/en
Pending 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • 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
    • B01D53/92—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
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • 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
    • F01N13/0097—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 the purifying devices are arranged in a single housing
    • 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
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • F01N2270/00—Mixing air with exhaust gases
    • 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
    • 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
    • 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
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
GBGB9626290.2A 1996-12-18 1996-12-18 Method of de-sulphurating engine exhaust NOx traps Pending GB9626290D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB9626290.2A GB9626290D0 (en) 1996-12-18 1996-12-18 Method of de-sulphurating engine exhaust NOx traps
PCT/GB1997/003369 WO1998027322A1 (en) 1996-12-18 1997-12-18 METHOD OF DE-SULPHURATING ENGINE EXHAUST NOx TRAPS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9626290.2A GB9626290D0 (en) 1996-12-18 1996-12-18 Method of de-sulphurating engine exhaust NOx traps

Publications (1)

Publication Number Publication Date
GB9626290D0 true GB9626290D0 (en) 1997-02-05

Family

ID=10804639

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9626290.2A Pending GB9626290D0 (en) 1996-12-18 1996-12-18 Method of de-sulphurating engine exhaust NOx traps

Country Status (2)

Country Link
GB (1) GB9626290D0 (en)
WO (1) WO1998027322A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19747222C1 (en) * 1997-10-25 1999-03-04 Daimler Benz Ag Lean burn internal combustion engine with periodic nitrogen oxide(s) storage catalyst regeneration control
DE19816276C2 (en) 1998-04-11 2000-05-18 Audi Ag Method and device for operating an internal combustion engine
SE514288C2 (en) * 1998-05-27 2001-02-05 Volvo Ab Apparatus and process for sulfur regeneration of NOx adsorbent catalyst
US6205773B1 (en) * 1998-07-07 2001-03-27 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an internal combustion engine
US6244046B1 (en) * 1998-07-17 2001-06-12 Denso Corporation Engine exhaust purification system and method having NOx occluding and reducing catalyst
EP1101019A1 (en) * 1998-07-31 2001-05-23 Volkswagen Aktiengesellschaft Method and device for post-treatment of exhaust gases of an internal combustion engine
DE19842625C2 (en) * 1998-09-17 2003-03-27 Daimler Chrysler Ag Method for operating an internal combustion engine system with sulfur enriching emission control component and thus operable internal combustion engine system
DE19847875A1 (en) * 1998-10-16 2000-04-20 Volkswagen Ag De-sulfation of nitrogen oxide storage catalyst following lean-burn common-rail engine comprises checking for exhaustion of capacity and reliability-critical component defects, before initiation
DE19851843B4 (en) * 1998-11-10 2005-06-09 Siemens Ag A process for sulfate regeneration of a NOx storage catalyst for a lean-burn engine
DE19910503C1 (en) * 1999-03-10 2000-07-06 Daimler Chrysler Ag Desulfating the nitrogen oxide or sulfur oxide storage unit of a catalytic converter comprises variably operating different groups of engine cylinders with different fuel/air ratios
DE19921971A1 (en) * 1999-05-12 2000-11-16 Volkswagen Ag Exhaust gas purifying device for lean-burn IC engine comprises a nitrogen oxides storage catalyst and a pre-catalyst
DE19922962C2 (en) * 1999-05-19 2003-02-27 Daimler Chrysler Ag Method for the periodic desulfurization of a nitrogen oxide or sulfur oxide storage of an emission control system
US6629453B1 (en) 2000-03-17 2003-10-07 Ford Global Technologies, Llc Method and apparatus for measuring the performance of an emissions control device
US6481199B1 (en) 2000-03-17 2002-11-19 Ford Global Technologies, Inc. Control for improved vehicle performance
US6360529B1 (en) 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for enabling lean engine operation upon engine start-up
EP1167710B1 (en) * 2000-07-01 2005-04-06 Volkswagen Aktiengesellschaft Method and apparatus to increase the temperature of a catalyst
DE10036794B4 (en) * 2000-07-28 2009-12-17 Daimler Ag Emission control system for a motor vehicle internal combustion engine and method for exhaust gas purification
DE10047809B4 (en) * 2000-09-27 2014-01-09 Volkswagen Ag Method for operating control of a secondary air pump and emission control system with a secondary air pump
DE102016015082A1 (en) * 2016-12-17 2018-06-21 Daimler Ag Method for operating an exhaust system of a motor vehicle and exhaust system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2605586B2 (en) * 1992-07-24 1997-04-30 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP2745985B2 (en) * 1992-08-13 1998-04-28 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP2605556B2 (en) 1992-10-13 1997-04-30 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
EP0636770B1 (en) * 1993-01-19 1999-09-08 Toyota Jidosha Kabushiki Kaisha Exhaust gas cleaning device for an internal combustion engine
JP2760251B2 (en) 1993-03-12 1998-05-28 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP3404846B2 (en) * 1993-12-28 2003-05-12 トヨタ自動車株式会社 Control device for internal combustion engine with automatic transmission
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

Also Published As

Publication number Publication date
WO1998027322A1 (en) 1998-06-25

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