GB2383004B - Exhaust-gas cleaning apparatus - Google Patents

Exhaust-gas cleaning apparatus

Info

Publication number
GB2383004B
GB2383004B GB0223869A GB0223869A GB2383004B GB 2383004 B GB2383004 B GB 2383004B GB 0223869 A GB0223869 A GB 0223869A GB 0223869 A GB0223869 A GB 0223869A GB 2383004 B GB2383004 B GB 2383004B
Authority
GB
United Kingdom
Prior art keywords
exhaust
cleaning apparatus
gas cleaning
gas
cleaning
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
GB0223869A
Other versions
GB0223869D0 (en
GB2383004A (en
Inventor
Josef Guenther
Dirk Voigtlaender
Marko Weirich
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of GB0223869D0 publication Critical patent/GB0223869D0/en
Publication of GB2383004A publication Critical patent/GB2383004A/en
Application granted granted Critical
Publication of GB2383004B publication Critical patent/GB2383004B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F01N3/20—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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] 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
    • 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
    • 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
    • F01N3/0878—Bypassing absorbents or adsorbents
    • 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
    • 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
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
GB0223869A 2001-10-23 2002-10-14 Exhaust-gas cleaning apparatus Expired - Fee Related GB2383004B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10152187A DE10152187A1 (en) 2001-10-23 2001-10-23 Emission control system with nitrogen oxide storage catalyst and SCR catalyst and method for reducing the nitrogen oxide content in the exhaust gas of internal combustion engines

Publications (3)

Publication Number Publication Date
GB0223869D0 GB0223869D0 (en) 2002-11-20
GB2383004A GB2383004A (en) 2003-06-18
GB2383004B true GB2383004B (en) 2004-02-04

Family

ID=7703378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0223869A Expired - Fee Related GB2383004B (en) 2001-10-23 2002-10-14 Exhaust-gas cleaning apparatus

Country Status (3)

Country Link
DE (1) DE10152187A1 (en)
FR (1) FR2831077B1 (en)
GB (1) GB2383004B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0303201D0 (en) * 2003-09-09 2003-11-25 Volvo Lastvagnar Ab Piston-type internal combustion engine and method of controlling the same
DE102004036036A1 (en) 2004-07-24 2006-03-16 Daimlerchrysler Ag Exhaust system, in particular for an internal combustion engine of a motor vehicle
EP1904724B1 (en) * 2005-07-07 2012-09-12 Volvo Lastvagnar Ab Method, device and computer program product for diagnosing of at least one exhaust emission control unit
WO2008022751A2 (en) * 2006-08-19 2008-02-28 Umicore Ag & Co. Kg Method for operating an exhaust-gas purification system in a lean-burn spark-ignition engine
DE102007030235B4 (en) * 2007-06-29 2012-03-01 Ford Global Technologies, Llc Apparatus and method for treating exhaust gases of an internal combustion engine
DE102007042448A1 (en) * 2007-09-06 2009-03-12 Continental Automotive Gmbh Exhaust gas cleaning system for selective catalytic reduction of nitrogen oxide, comprises catalyst with catalytically active components for selective catalytic reduction, and exhaust gas of internal combustion engine flows through system
US9242242B2 (en) 2010-09-02 2016-01-26 Basf Se Catalyst for gasoline lean burn engines with improved NO oxidation activity
CN103201032B (en) 2010-09-02 2016-03-30 巴斯夫欧洲公司 There is improvement NH 3form active gasoline lean-combustion engine catalyst
US8950174B2 (en) 2010-09-02 2015-02-10 Basf Se Catalysts for gasoline lean burn engines with improved NH3-formation activity
DE102020116160B3 (en) 2020-06-18 2021-09-16 Volkswagen Aktiengesellschaft Process for exhaust aftertreatment of an internal combustion engine and exhaust aftertreatment system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0556854A1 (en) * 1992-02-20 1993-08-25 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust emission control system
EP0616115A1 (en) * 1993-03-17 1994-09-21 Hitachi, Ltd. Exhaust gas purifying apparatus and method for internal combustion engine
EP0802315A2 (en) * 1996-04-19 1997-10-22 Toyota Jidosha Kabushiki Kaisha An exhaust gas purification device for an internal combustion engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960004832B1 (en) * 1992-08-24 1996-04-16 미쯔비시지도오샤고오교오 가부시기가이샤 Engine exhaust gas purification apparatus
CA2127478A1 (en) * 1993-08-16 1995-02-17 William Hertl Modified zeolites for trapping hydrocarbons
DE19626835A1 (en) * 1995-07-08 1997-01-09 Volkswagen Ag Operating diesel engine with nitrogen oxide buffer store - which is located in first branch of exhaust gas system, with exhaust gas flow directed via second branch
DE19644407C2 (en) * 1996-10-25 1999-09-23 Daimler Chrysler Ag Process for reducing the emissions of an internal combustion engine
FR2764637B1 (en) * 1997-06-16 1999-08-13 Inst Francais Du Petrole METHOD AND ARRANGEMENT FOR REMOVING NITROGEN OXIDES FROM EXHAUST GASES USING A NITROGEN OXIDE TRAPPING MEANS
DE19815502A1 (en) * 1998-04-07 1999-10-14 Opel Adam Ag I.C. engine exhaust gas treatment unit
JP3546294B2 (en) * 1998-04-28 2004-07-21 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
DE10142804A1 (en) * 2000-10-17 2002-08-08 Bosch Gmbh Robert Emission control system and method for emission control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0556854A1 (en) * 1992-02-20 1993-08-25 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust emission control system
EP0616115A1 (en) * 1993-03-17 1994-09-21 Hitachi, Ltd. Exhaust gas purifying apparatus and method for internal combustion engine
EP0802315A2 (en) * 1996-04-19 1997-10-22 Toyota Jidosha Kabushiki Kaisha An exhaust gas purification device for an internal combustion engine

Also Published As

Publication number Publication date
GB0223869D0 (en) 2002-11-20
DE10152187A1 (en) 2003-04-30
GB2383004A (en) 2003-06-18
FR2831077B1 (en) 2004-12-10
FR2831077A1 (en) 2003-04-25

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Legal Events

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

Effective date: 20121014