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ATE327817T1 - Emissionssteurungssystem für eine brennkraftmaschine mit magergemischverbrennung - Google Patents

Emissionssteurungssystem für eine brennkraftmaschine mit magergemischverbrennung

Info

Publication number
ATE327817T1
ATE327817T1 AT98909589T AT98909589T ATE327817T1 AT E327817 T1 ATE327817 T1 AT E327817T1 AT 98909589 T AT98909589 T AT 98909589T AT 98909589 T AT98909589 T AT 98909589T AT E327817 T1 ATE327817 T1 AT E327817T1
Authority
AT
Austria
Prior art keywords
lean
hydrocarbon
combustion engine
emission control
control system
Prior art date
Application number
AT98909589T
Other languages
English (en)
Inventor
Martyn Vincent Twigg
Original Assignee
Johnson Matthey Plc
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 Johnson Matthey Plc filed Critical Johnson Matthey Plc
Application granted granted Critical
Publication of ATE327817T1 publication Critical patent/ATE327817T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1021Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1023Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1025Rhodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9418Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
AT98909589T 1997-03-10 1998-03-09 Emissionssteurungssystem für eine brennkraftmaschine mit magergemischverbrennung ATE327817T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9705010.8A GB9705010D0 (en) 1997-03-10 1997-03-10 Improvements in emissions control systems

Publications (1)

Publication Number Publication Date
ATE327817T1 true ATE327817T1 (de) 2006-06-15

Family

ID=10809037

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98909589T ATE327817T1 (de) 1997-03-10 1998-03-09 Emissionssteurungssystem für eine brennkraftmaschine mit magergemischverbrennung

Country Status (6)

Country Link
EP (1) EP0969914B1 (de)
JP (1) JP4294097B2 (de)
AT (1) ATE327817T1 (de)
DE (1) DE69834714T2 (de)
GB (1) GB9705010D0 (de)
WO (1) WO1998040153A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10065473A1 (de) 2000-12-28 2002-07-04 Basf Ag Verfahren und Konverter zur katalytischen Umwandlung von Kraftstoff
US6594986B2 (en) * 2001-06-19 2003-07-22 Ford Global Technologies, Inc. Oxidant storage capacity estimation
US6912842B2 (en) * 2001-06-19 2005-07-05 Ford Global Technologies, Inc. Oxygen storage capacity estimation
BRPI0409451B1 (pt) 2003-04-17 2018-04-17 Johnson Matthey Public Limited Company Método de decompor dióxido de nitrogênio (no2) em monóxido de nitrogênio (no) em um gás de exaustão de um motor de combustão interna de queima pobre
GB0422549D0 (en) 2004-10-12 2004-11-10 Johnson Matthey Plc Method of decomposing nitrogen dioxide
ES2475890T3 (es) * 2006-10-23 2014-07-11 Haldor Topsøe A/S Método y aparato para la purificación del gas de escape de un motor de ignición por compresión

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1073363A (en) * 1975-11-24 1980-03-11 Haren S. Gandhi Segmented three-way catalyst
US5168085A (en) * 1991-05-20 1992-12-01 Corning Incorporated Multi-stage twc system
MX9204701A (es) * 1991-09-03 1993-03-01 Ford Motor Co Sistema catalizador de conversion de gas de escape de dos etapas,
EP0661089B1 (de) * 1993-12-28 1998-03-11 Kabushiki Kaisha Riken Vorrichtung und Verfahren zur Reinigung von Abgas
JPH08103656A (ja) * 1994-10-06 1996-04-23 N E Chemcat Corp 排気ガスの浄化用触媒及びその方法

Also Published As

Publication number Publication date
EP0969914B1 (de) 2006-05-31
GB9705010D0 (en) 1997-04-30
DE69834714D1 (de) 2006-07-06
JP4294097B2 (ja) 2009-07-08
WO1998040153A1 (en) 1998-09-17
DE69834714T2 (de) 2007-01-18
EP0969914A1 (de) 2000-01-12
JP2001514718A (ja) 2001-09-11

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Legal Events

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