US20090255238A1 - Exhaust Gas Purifying Apparatus and Exhaust Gas Purifying Method - Google Patents

Exhaust Gas Purifying Apparatus and Exhaust Gas Purifying Method Download PDF

Info

Publication number
US20090255238A1
US20090255238A1 US12/084,822 US8482206A US2009255238A1 US 20090255238 A1 US20090255238 A1 US 20090255238A1 US 8482206 A US8482206 A US 8482206A US 2009255238 A1 US2009255238 A1 US 2009255238A1
Authority
US
United States
Prior art keywords
exhaust gas
catalyst
atmosphere
gas purifying
loaded
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.)
Abandoned
Application number
US12/084,822
Other languages
English (en)
Inventor
Masahiko Ogai
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA reassignment TOYOTA JIDOSHA KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OGAI, MASAHIKO
Publication of US20090255238A1 publication Critical patent/US20090255238A1/en
Abandoned legal-status Critical Current

Links

Images

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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0242—Coating followed by impregnation
    • 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
    • F01N3/02—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
    • F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/025—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
    • F01N3/0253—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to 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
    • 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
    • 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
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with 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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • 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
    • B01D2255/1023—Palladium
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0437—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
US12/084,822 2005-11-10 2006-10-31 Exhaust Gas Purifying Apparatus and Exhaust Gas Purifying Method Abandoned US20090255238A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005-326388 2005-11-10
JP2005326388A JP2007130580A (ja) 2005-11-10 2005-11-10 排ガス浄化装置及び排ガス浄化方法
PCT/JP2006/322219 WO2007055216A1 (ja) 2005-11-10 2006-10-31 排ガス浄化装置及び排ガス浄化方法

Publications (1)

Publication Number Publication Date
US20090255238A1 true US20090255238A1 (en) 2009-10-15

Family

ID=38023219

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/084,822 Abandoned US20090255238A1 (en) 2005-11-10 2006-10-31 Exhaust Gas Purifying Apparatus and Exhaust Gas Purifying Method

Country Status (9)

Country Link
US (1) US20090255238A1 (ja)
EP (1) EP1949953A4 (ja)
JP (1) JP2007130580A (ja)
KR (1) KR20080066944A (ja)
CN (1) CN101304801A (ja)
BR (1) BRPI0619681A2 (ja)
CA (1) CA2628979A1 (ja)
RU (1) RU2385760C2 (ja)
WO (1) WO2007055216A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130232953A1 (en) * 2012-03-09 2013-09-12 Ford Global Technologies, Llc Exhaust-gas aftertreatment system and method for exhaust-gas aftertreatment
US9657626B2 (en) * 2015-05-18 2017-05-23 Ford Global Technologies, Llc Emissions reduction system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6921634B2 (en) 1999-12-23 2005-07-26 Board Of Regents, The University Of Texas System Replication competent hepatitus C virus and methods of use
JP5272455B2 (ja) * 2008-03-11 2013-08-28 いすゞ自動車株式会社 ＮＯｘ浄化システムの制御方法及びＮＯｘ浄化システム
JP5065180B2 (ja) * 2008-06-30 2012-10-31 トヨタ自動車株式会社 排ガス浄化用触媒
DE102009023550A1 (de) * 2009-05-30 2010-12-09 Deutz Ag Abgasnachbehandlungssystem

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020033015A1 (en) * 2000-07-28 2002-03-21 Guido Schaffner Process for denitrification of exhaust gasses, particularly for lean operated internal combustion engines
US20020048542A1 (en) * 1999-04-02 2002-04-25 Michel Deeba Catalytic trap and methods of making and using the same
US6497851B1 (en) * 1994-12-06 2002-12-24 Englehard Corporation Engine exhaust treatment apparatus and method of use
US6630115B1 (en) * 1998-12-11 2003-10-07 Hitachi, Ltd. Exhaust emission control process for internal combustion engines
US7219491B2 (en) * 2002-07-17 2007-05-22 Toyota Jidosha Kabushiki Kaisha Exhaust emission control apparatus of internal combustion engine and method thereof
US7375056B2 (en) * 2003-07-23 2008-05-20 Unicore Ag & Co. Kg Method of making a NOx adsorber catalyst
US7422731B2 (en) * 2003-09-08 2008-09-09 Honda Motor Co., Ltd. Catalyst and method for contact decomposition of nitrogen oxides

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3685463B2 (ja) * 1995-08-28 2005-08-17 株式会社豊田中央研究所 排ガス浄化用触媒
JPH09225307A (ja) * 1996-02-23 1997-09-02 Nissan Motor Co Ltd 排ガス浄化用触媒およびその製造方法
JP3775080B2 (ja) * 1998-11-25 2006-05-17 トヨタ自動車株式会社 排ガス浄化用触媒
JP3107303B2 (ja) * 1999-05-25 2000-11-06 株式会社日立製作所 内燃機関の排ガス浄化装置
JP3788141B2 (ja) * 1999-10-25 2006-06-21 日産自動車株式会社 排気ガス浄化システム
WO2004046514A1 (en) * 2002-11-15 2004-06-03 Catalytica Energy Systems, Inc. Devices and methods for reduction of nox emissions from lean burn engines
JP2005185965A (ja) * 2003-12-25 2005-07-14 Toyota Motor Corp 排ガス浄化用触媒

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6497851B1 (en) * 1994-12-06 2002-12-24 Englehard Corporation Engine exhaust treatment apparatus and method of use
US6630115B1 (en) * 1998-12-11 2003-10-07 Hitachi, Ltd. Exhaust emission control process for internal combustion engines
US20020048542A1 (en) * 1999-04-02 2002-04-25 Michel Deeba Catalytic trap and methods of making and using the same
US20020033015A1 (en) * 2000-07-28 2002-03-21 Guido Schaffner Process for denitrification of exhaust gasses, particularly for lean operated internal combustion engines
US7219491B2 (en) * 2002-07-17 2007-05-22 Toyota Jidosha Kabushiki Kaisha Exhaust emission control apparatus of internal combustion engine and method thereof
US7375056B2 (en) * 2003-07-23 2008-05-20 Unicore Ag & Co. Kg Method of making a NOx adsorber catalyst
US7422731B2 (en) * 2003-09-08 2008-09-09 Honda Motor Co., Ltd. Catalyst and method for contact decomposition of nitrogen oxides

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130232953A1 (en) * 2012-03-09 2013-09-12 Ford Global Technologies, Llc Exhaust-gas aftertreatment system and method for exhaust-gas aftertreatment
US8978368B2 (en) * 2012-03-09 2015-03-17 Ford Global Technologies, Llc Exhaust-gas aftertreatment system and method for exhaust-gas aftertreatment
US9657626B2 (en) * 2015-05-18 2017-05-23 Ford Global Technologies, Llc Emissions reduction system

Also Published As

Publication number Publication date
JP2007130580A (ja) 2007-05-31
EP1949953A1 (en) 2008-07-30
WO2007055216A1 (ja) 2007-05-18
BRPI0619681A2 (pt) 2011-10-11
EP1949953A4 (en) 2009-09-30
CN101304801A (zh) 2008-11-12
RU2385760C2 (ru) 2010-04-10
KR20080066944A (ko) 2008-07-17
RU2008123510A (ru) 2009-12-20
CA2628979A1 (en) 2007-05-18

Similar Documents

Publication Publication Date Title
JP3389851B2 (ja) 排ガス浄化用触媒
US6729125B2 (en) Exhaust gas purifying system
EP2301661B1 (en) Honeycomb catalyst for purifying exhaust gas discharged from automobile, method for producing the same, and exhaust gas purifying method using the catalyst
EP1793914B1 (en) Catalyst for purifying exhaust gases
KR101657151B1 (ko) 배기가스 정화용 촉매
US9440223B2 (en) Exhaust gas purification catalyst
EP1188908B1 (en) Exhaust gas purifying system
EP1095702B1 (en) Catalyst for exhaust gas purification, process for producing the same, and method of purifying exhaust gas
US7056859B2 (en) Catalyst for purifying exhaust gases
JPH08168675A (ja) 排ガス浄化用触媒
US6191061B1 (en) Method of purifying exhaust gas and catalyst for purifying exhaust gas
US10765998B2 (en) Three-way catalyst for purifying gasoline engine exhaust gas
US20090255238A1 (en) Exhaust Gas Purifying Apparatus and Exhaust Gas Purifying Method
WO2009144568A1 (en) Exhaust purification catalyst
JP2009273986A (ja) 排ガス浄化用触媒
JP3216858B2 (ja) 排ガス浄化用触媒及びその製造方法
US20110118113A1 (en) Exhaust gas purifying catalyst
JP3789231B2 (ja) 排ガス浄化用触媒
JP4793316B2 (ja) 硫黄吸蔵触媒
KR20100129465A (ko) 3중층 코팅구조의 삼원 촉매
JP2002168117A (ja) 排気ガス浄化システム
JP3739226B2 (ja) 排ガス浄化用触媒及び排ガス浄化方法
JP2005305338A (ja) 排ガス浄化触媒及びその製造方法
JPH057775A (ja) 排気ガス浄化用触媒

Legal Events

Date Code Title Description
AS Assignment

Owner name: TOYOTA JIDOSHA KABUSHIKI KAISHA, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:OGAI, MASAHIKO;REEL/FRAME:020962/0745

Effective date: 20080414

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE