BRPI0512250A - exhaust system for a vehicular poor burning internal combustion engine, diesel engine, and method of reducing nox in the exhaust gas of a vehicle poor burning internal combustion engine - Google Patents

exhaust system for a vehicular poor burning internal combustion engine, diesel engine, and method of reducing nox in the exhaust gas of a vehicle poor burning internal combustion engine

Info

Publication number
BRPI0512250A
BRPI0512250A BRPI0512250-3A BRPI0512250A BRPI0512250A BR PI0512250 A BRPI0512250 A BR PI0512250A BR PI0512250 A BRPI0512250 A BR PI0512250A BR PI0512250 A BRPI0512250 A BR PI0512250A
Authority
BR
Brazil
Prior art keywords
combustion engine
internal combustion
vehicle
burning internal
poor burning
Prior art date
Application number
BRPI0512250-3A
Other languages
Portuguese (pt)
Inventor
Jeremy Temple Gidney
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
Priority claimed from PCT/GB2004/002643 external-priority patent/WO2004113691A2/en
Application filed by Johnson Matthey Plc filed Critical Johnson Matthey Plc
Priority claimed from PCT/GB2005/002373 external-priority patent/WO2005124114A1/en
Publication of BRPI0512250A publication Critical patent/BRPI0512250A/en

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
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • 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
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2045—Calcium
    • 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
    • B01D2255/2047—Magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2066—Praseodymium
    • 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
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
  • Exhaust Gas After Treatment (AREA)

Abstract

SISTEMA DE EXAUSTãO PARA UM MOTOR DE COMBUSTãO INTERNA DE QUEIMA POBRE VEICULAR, MOTOR A DIESEL, E, MéTODO DE REDUZIR Nox NO GáS DE EXAUSTãO DE UM MOTOR DE COMBUSTãO INTERNA DE QUEIMA POBRE VEICULAR Um sistema de exaustão para um motor de combustão interna de queima pobre veicular compreende um absorvente de NOx, um injetor de redutor (78) disposto a montante do absorvente de NOx e meio (50), quando em uso, para controlar a adição de redutor, no qual o meio de controle de adição de redutor fornece redutor ao absorvente de NOx em todas as velocidades do veículo em um ciclo de funcionamento em uma taxa que é predeterminada para se correlacionar com uma conversão de NOx desejada na velocidade de ciclo de funcionamento média do veículo.EXHAUST SYSTEM FOR A POOR VEHICLE INTERNAL COMBUSTION ENGINE, DIESEL ENGINE AND NOx REDUCTION METHOD OF A POOR VEHICLE INTERNAL COMBUSTION ENGINE An internal exhaust combustion engine exhaust system The vehicle poor means comprises a NOx absorber, a reducer injector (78) disposed upstream of the NOx absorber and a medium (50), when in use, to control reducer addition, wherein the reducer addition control means provides NOx absorber at all vehicle speeds in a duty cycle at a rate that is predetermined to correlate with a desired NOx conversion at the average vehicle duty cycle speed.

BRPI0512250-3A 2004-06-18 2005-06-16 exhaust system for a vehicular poor burning internal combustion engine, diesel engine, and method of reducing nox in the exhaust gas of a vehicle poor burning internal combustion engine BRPI0512250A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/GB2004/002643 WO2004113691A2 (en) 2003-06-18 2004-06-18 System and method of controlling reductant addition
GBGB0428289.3A GB0428289D0 (en) 2004-12-24 2004-12-24 Reductant addition in exhaust system comprising NOx-absorbent
PCT/GB2005/002373 WO2005124114A1 (en) 2004-06-18 2005-06-16 Reductant addition in exhaust system comprising nox-absorbent

Publications (1)

Publication Number Publication Date
BRPI0512250A true BRPI0512250A (en) 2008-02-19

Family

ID=34130894

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0512250-3A BRPI0512250A (en) 2004-06-18 2005-06-16 exhaust system for a vehicular poor burning internal combustion engine, diesel engine, and method of reducing nox in the exhaust gas of a vehicle poor burning internal combustion engine

Country Status (4)

Country Link
US (1) US20110120086A1 (en)
BR (1) BRPI0512250A (en)
GB (1) GB0428289D0 (en)
MX (1) MXPA06014739A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9611774B2 (en) 2013-03-13 2017-04-04 Basf Corporation Catalyst with improved hydrothermal stability
WO2014164876A1 (en) 2013-03-13 2014-10-09 Basf Corporation Nox storage catalyst with improved hydrothermal stability and nox conversion
US9309823B2 (en) * 2014-01-13 2016-04-12 GM Global Technology Operations LLC Exhaust gas recirculation cooler protection system and method

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JPS6053165B2 (en) * 1981-03-16 1985-11-25 株式会社豊田中央研究所 Internal combustion engine exhaust smoke collection device
GB8516420D0 (en) * 1985-06-28 1985-07-31 Ontario Research Foundation Diesel particulate traps
DE3717140A1 (en) * 1987-05-21 1988-12-08 Webasto Ag Fahrzeugtechnik Soot filter system in the exhaust tract of a diesel internal combustion engine
JPH0621546B2 (en) * 1988-03-11 1994-03-23 工業技術院長 Method and apparatus for treating particulate matter in exhaust gas
JP3288536B2 (en) * 1994-06-21 2002-06-04 日本碍子株式会社 Exhaust gas filter and exhaust gas treatment device using the same
US5582002A (en) * 1994-06-29 1996-12-10 Pattas; Konstantin Method of and an apparatus for controlled regeneration of a diesel soot filter
DE19606657C1 (en) * 1996-02-23 1997-07-10 Basf Ag Process and device for cleaning gases
JPH1071325A (en) * 1996-06-21 1998-03-17 Ngk Insulators Ltd Method for controlling engine exhaust gas system and method for detecting deterioration in catalyst/ adsorption means
JPH1047048A (en) * 1996-08-02 1998-02-17 Toyota Motor Corp Emission control device for internal combustion engine
FR2753393B1 (en) * 1996-09-13 1998-10-30 Inst Francais Du Petrole METHOD AND DEVICE FOR CONTROLLING A PARTICLE FILTER
JP3341284B2 (en) * 1997-05-12 2002-11-05 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
DE19736384A1 (en) * 1997-08-21 1999-02-25 Man Nutzfahrzeuge Ag Method for metering a reducing agent into nitrogen oxide-containing exhaust gas from an internal combustion engine
DE19924029C2 (en) * 1999-05-26 2001-05-23 Porsche Ag Method for monitoring the function of an exhaust gas aftertreatment system
US6167698B1 (en) * 1999-12-21 2001-01-02 Ford Motor Company Exhaust gas purification system for a lean burn engine
US7081431B2 (en) * 2000-09-08 2006-07-25 Toyota Jidosha Kabushiki Kaisha NOx absorbent and absorption reduction-type NOx purifying catalyst
US6415602B1 (en) * 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
JP3716738B2 (en) * 2000-11-06 2005-11-16 日産自動車株式会社 Exhaust gas purification device for internal combustion engine
JP4122849B2 (en) * 2001-06-22 2008-07-23 株式会社デンソー Catalyst degradation detector
US6487852B1 (en) * 2001-09-04 2002-12-03 Ford Global Technologies, Inc. Method and apparatus for controlling reactant injection into an active lean NOx catalyst
DE10153284A1 (en) * 2001-10-29 2003-05-15 Emitec Emissionstechnologie Filter assembly and process for its manufacture
US6915629B2 (en) * 2002-03-07 2005-07-12 General Motors Corporation After-treatment system and method for reducing emissions in diesel engine exhaust
US6931839B2 (en) * 2002-11-25 2005-08-23 Delphi Technologies, Inc. Apparatus and method for reduced cold start emissions
JP3903977B2 (en) * 2003-10-17 2007-04-11 トヨタ自動車株式会社 Exhaust purification device for internal combustion engine and exhaust purification method for internal combustion engine

Also Published As

Publication number Publication date
US20110120086A1 (en) 2011-05-26
MXPA06014739A (en) 2007-03-01
GB0428289D0 (en) 2005-01-26

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired