[go: up one dir, main page]

ATE247768T1 - Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung - Google Patents

Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung

Info

Publication number
ATE247768T1
ATE247768T1 AT99965765T AT99965765T ATE247768T1 AT E247768 T1 ATE247768 T1 AT E247768T1 AT 99965765 T AT99965765 T AT 99965765T AT 99965765 T AT99965765 T AT 99965765T AT E247768 T1 ATE247768 T1 AT E247768T1
Authority
AT
Austria
Prior art keywords
reducing agent
agent injection
nox reduction
improved nox
scr
Prior art date
Application number
AT99965765T
Other languages
English (en)
Inventor
Joseph A Patchett
Original Assignee
Engelhard 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 Engelhard Corp filed Critical Engelhard Corp
Application granted granted Critical
Publication of ATE247768T1 publication Critical patent/ATE247768T1/de

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
    • 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
    • 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
    • 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
    • B01D53/9495—Controlling the catalytic process
    • 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
    • F01N13/0093—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 of the same type
    • 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
    • F01N3/10—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]
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/07—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas flow rate or velocity meter or sensor, intake flow meters only when exclusively used to determine exhaust gas parameters
    • 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
    • F01N2570/18—Ammonia
    • 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
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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
    • 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
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
AT99965765T 1998-11-13 1999-11-05 Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung ATE247768T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/191,779 US6125629A (en) 1998-11-13 1998-11-13 Staged reductant injection for improved NOx reduction
PCT/US1999/026286 WO2000029728A1 (en) 1998-11-13 1999-11-05 STAGED REDUCTANT INJECTION FOR IMPROVED NOx REDUCTION

Publications (1)

Publication Number Publication Date
ATE247768T1 true ATE247768T1 (de) 2003-09-15

Family

ID=22706902

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99965765T ATE247768T1 (de) 1998-11-13 1999-11-05 Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung

Country Status (8)

Country Link
US (1) US6125629A (de)
EP (1) EP1129278B1 (de)
JP (1) JP2003529699A (de)
KR (1) KR100642701B1 (de)
AT (1) ATE247768T1 (de)
AU (1) AU2146200A (de)
DE (1) DE69910605T2 (de)
WO (1) WO2000029728A1 (de)

Families Citing this family (203)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477834B1 (en) * 1997-05-12 2002-11-12 Toyota Jidosha Kabushiki Kaisha Exhaust emission controlling apparatus of internal combustion engine
DE19817994A1 (de) * 1998-04-22 1999-11-04 Emitec Emissionstechnologie Verfahren und Vorrichtung zur Reinigung von Stickoxid (NO¶x¶) enthaltendem Abgas eines Verbrennungsmotors
JP2001303934A (ja) 1998-06-23 2001-10-31 Toyota Motor Corp 内燃機関の排気浄化装置
US6560958B1 (en) 1998-10-29 2003-05-13 Massachusetts Institute Of Technology Emission abatement system
DE19901915C1 (de) * 1999-01-19 2000-04-20 Siemens Ag Verfahren zur katalytischen Umsetzung von im Abgas eines Verbrennungsmotors enthaltenen Stickoxiden
DE19919472C2 (de) * 1999-04-29 2001-04-19 Bosch Gmbh Robert Vorrichtung und Verfahren zur Detektion von Ammoniak
JP2000337129A (ja) * 1999-05-21 2000-12-05 Honda Motor Co Ltd 内燃機関の排気浄化装置
US6295809B1 (en) 1999-07-12 2001-10-02 Ford Global Technologies, Inc. Emission control system with a catalyst
US6363771B1 (en) * 1999-11-24 2002-04-02 Caterpillar Inc. Emissions diagnostic system
US6354079B1 (en) * 1999-11-26 2002-03-12 Hyundai Motor Company Apparatus and method of purifying NOx in the exhaust gas of the diesel engine
WO2001064319A1 (de) * 2000-02-28 2001-09-07 Siemens Aktiengesellschaft Verfahren und abgasreinigungsanlage zur katalytischen reduktion von stickoxiden im abgas einer verbrennungsanlage
US6269633B1 (en) * 2000-03-08 2001-08-07 Ford Global Technologies, Inc. Emission control system
US6427439B1 (en) * 2000-07-13 2002-08-06 Ford Global Technologies, Inc. Method and system for NOx reduction
US6758036B1 (en) * 2000-10-27 2004-07-06 Delphi Technologies, Inc. Method for sulfur protection of NOx adsorber
GB0100756D0 (en) * 2001-01-11 2001-02-21 Powderject Res Ltd Needleless syringe
GB0104682D0 (en) * 2001-02-26 2001-04-11 Johnson Matthey Plc Gas treatment using ammonia
US6449945B1 (en) * 2001-04-18 2002-09-17 Ford Global Technologies, Inc. Emission control system
US6591604B2 (en) 2001-06-19 2003-07-15 Ford Global Technologies, Llc Oxygen storage capacity estimation
US6912842B2 (en) 2001-06-19 2005-07-05 Ford Global Technologies, Inc. Oxygen storage capacity estimation
US6594986B2 (en) 2001-06-19 2003-07-22 Ford Global Technologies, Inc. Oxidant storage capacity estimation
US6594985B2 (en) 2001-06-19 2003-07-22 Ford Global Technologies, Inc. Exhaust gas aftertreatment device efficiency estimation
US6742326B2 (en) * 2001-08-09 2004-06-01 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
US6698191B2 (en) 2001-08-09 2004-03-02 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
US6928359B2 (en) 2001-08-09 2005-08-09 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
US6421599B1 (en) * 2001-08-09 2002-07-16 Ford Global Technologies, Inc. Control strategy for an internal combustion engine in a hybrid vehicle
US20030047146A1 (en) * 2001-09-10 2003-03-13 Daniel Michael J. Plasmatron-internal combustion engine system having an independent electrical power source
AUPR812401A0 (en) * 2001-10-08 2001-11-01 Orbital Engine Company (Australia) Proprietary Limited An internal combustion engine
US7264785B2 (en) * 2001-12-20 2007-09-04 Johnson Matthey Public Limited Company Selective catalytic reduction
US6959542B2 (en) 2002-01-25 2005-11-01 Arvin Technologies, Inc. Apparatus and method for operating a fuel reformer to regenerate a DPNR device
US6976353B2 (en) 2002-01-25 2005-12-20 Arvin Technologies, Inc. Apparatus and method for operating a fuel reformer to provide reformate gas to both a fuel cell and an emission abatement device
US7014930B2 (en) * 2002-01-25 2006-03-21 Arvin Technologies, Inc. Apparatus and method for operating a fuel reformer to generate multiple reformate gases
US7021048B2 (en) * 2002-01-25 2006-04-04 Arvin Technologies, Inc. Combination emission abatement assembly and method of operating the same
US6651597B2 (en) * 2002-04-23 2003-11-25 Arvin Technologies, Inc. Plasmatron having an air jacket and method for operating the same
JP3858752B2 (ja) * 2002-04-25 2006-12-20 トヨタ自動車株式会社 内燃機関の排気浄化装置
US7055311B2 (en) * 2002-08-31 2006-06-06 Engelhard Corporation Emission control system for vehicles powered by diesel engines
GB0220645D0 (en) * 2002-09-05 2002-10-16 Johnson Matthey Plc Exhaust system for a lean burn ic engine
US20040050345A1 (en) * 2002-09-17 2004-03-18 Bauer Shawn D. Fuel reformer control system and method
US6758035B2 (en) * 2002-09-18 2004-07-06 Arvin Technologies, Inc. Method and apparatus for purging SOX from a NOX trap
DE10243270A1 (de) * 2002-09-18 2004-03-25 Robert Bosch Gmbh Abgasreinigungsanlage einer Brennkraftmaschine und Verfahren zur Reinigung deren Abgase
US20040052693A1 (en) * 2002-09-18 2004-03-18 Crane Samuel N. Apparatus and method for removing NOx from the exhaust gas of an internal combustion engine
US6779337B2 (en) * 2002-09-20 2004-08-24 Ford Global Technologies, Llc Hydrogen fueled spark ignition engine
US6993900B2 (en) 2002-10-21 2006-02-07 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
JP4526390B2 (ja) * 2002-11-08 2010-08-18 エミテク・ゲゼルシャフト・フュール・エミシオーンテクノロギー・ミット・ベシュレンクテル・ハフツング 排気装置およびその動作方法
US6702991B1 (en) 2002-11-12 2004-03-09 Arvin Technologies, Inc. Apparatus and method for reducing power consumption of a plasma fuel reformer
US6715452B1 (en) 2002-11-13 2004-04-06 Arvin Technologies, Inc. Method and apparatus for shutting down a fuel reformer
US6941746B2 (en) * 2002-11-21 2005-09-13 Combustion Components Associates, Inc. Mobile diesel selective catalytic reduction systems and methods
US6823663B2 (en) 2002-11-21 2004-11-30 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US6862879B2 (en) 2002-11-21 2005-03-08 Ford Global Technologies, Llc Diesel aftertreatment system
US6928806B2 (en) * 2002-11-21 2005-08-16 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US6832473B2 (en) 2002-11-21 2004-12-21 Delphi Technologies, Inc. Method and system for regenerating NOx adsorbers and/or particulate filters
US7093427B2 (en) 2002-11-21 2006-08-22 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US6895747B2 (en) 2002-11-21 2005-05-24 Ford Global Technologies, Llc Diesel aftertreatment systems
US6834498B2 (en) 2002-11-21 2004-12-28 Ford Global Technologies, Llc Diesel aftertreatment systems
US6981368B2 (en) * 2002-11-21 2006-01-03 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US6892530B2 (en) 2002-11-21 2005-05-17 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US6903259B2 (en) * 2002-12-06 2005-06-07 Arvin Technologies, Inc. Thermoelectric device for use with fuel reformer and associated method
US6761025B1 (en) * 2002-12-19 2004-07-13 Caterpillar Inc. Enhanced ammonia feed control for selective catalytic reduction
US20040139730A1 (en) * 2003-01-16 2004-07-22 William Taylor Method and apparatus for directing exhaust gas and reductant fluid in an emission abatement system
US6843054B2 (en) * 2003-01-16 2005-01-18 Arvin Technologies, Inc. Method and apparatus for removing NOx and soot from engine exhaust gas
US6851398B2 (en) * 2003-02-13 2005-02-08 Arvin Technologies, Inc. Method and apparatus for controlling a fuel reformer by use of existing vehicle control signals
DE10315593B4 (de) * 2003-04-05 2005-12-22 Daimlerchrysler Ag Abgasnachbehandlungseinrichtung und -verfahren
ATE416948T1 (de) * 2003-04-30 2008-12-15 Inergy Automotive Systems Res Einfüllleitung welcher ein zusatzstofftank zugeordnet ist für ein kraftstoffsystem und verfahren zur herstellung dieser einheit
US7285247B2 (en) 2003-10-24 2007-10-23 Arvin Technologies, Inc. Apparatus and method for operating a fuel reformer so as to purge soot therefrom
US7244281B2 (en) 2003-10-24 2007-07-17 Arvin Technologies, Inc. Method and apparatus for trapping and purging soot from a fuel reformer
US7155331B1 (en) 2003-12-15 2006-12-26 Donaldson Company, Inc. Method of prediction of NOx mass flow in exhaust
US7900441B2 (en) * 2004-02-12 2011-03-08 Fleetguard, Inc. Precat-NOx adsorber exhaust aftertreatment system for internal combustion engines
US7776265B2 (en) * 2004-03-18 2010-08-17 Cummins Filtration Ip, Inc. System for diagnosing reagent solution quality
US7767163B2 (en) * 2004-04-20 2010-08-03 Umicore Ag & Co. Kg Exhaust treatment devices
DE102004025062B4 (de) * 2004-05-18 2006-09-14 Hydraulik-Ring Gmbh Gefriertaugliches Dosierventil
US7067319B2 (en) * 2004-06-24 2006-06-27 Cummins, Inc. System for diagnosing reagent solution quality and emissions catalyst degradation
US6996975B2 (en) * 2004-06-25 2006-02-14 Eaton Corporation Multistage reductant injection strategy for slipless, high efficiency selective catalytic reduction
JP2006057578A (ja) * 2004-08-23 2006-03-02 Hino Motors Ltd 排気浄化装置
US7784272B2 (en) * 2004-08-31 2010-08-31 Cummins Inc. Control system for an engine aftertreatment system
US20060112678A1 (en) * 2004-11-04 2006-06-01 Eaton Corporation Multiple reactant multiple catalyst selective catalytic reduction for NOx abatement in internal combustion engines
US7776280B2 (en) 2005-05-10 2010-08-17 Emcon Technologies Llc Method and apparatus for selective catalytic reduction of NOx
US7803338B2 (en) 2005-06-21 2010-09-28 Exonmobil Research And Engineering Company Method and apparatus for combination catalyst for reduction of NOx in combustion products
US7743602B2 (en) * 2005-06-21 2010-06-29 Exxonmobil Research And Engineering Co. Reformer assisted lean NOx catalyst aftertreatment system and method
US20070012032A1 (en) * 2005-07-12 2007-01-18 Eaton Corporation Hybrid system comprising HC-SCR, NOx-trapping, and NH3-SCR for exhaust emission reduction
US7435275B2 (en) * 2005-08-11 2008-10-14 Delphi Technologies, Inc. System and method of heating an exhaust treatment device
US7418816B2 (en) * 2005-09-01 2008-09-02 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US20070084116A1 (en) * 2005-10-13 2007-04-19 Bayerische Motoren Werke Aktiengesellschaft Reformer system having electrical heating devices
US7485272B2 (en) * 2005-11-30 2009-02-03 Caterpillar Inc. Multi-stage system for selective catalytic reduction
DE102006008400B4 (de) * 2006-02-21 2015-06-03 Fev Gmbh Direkteinspritzende, fremdgezündete Verbrennungskraftmaschine mit SCR-Katalysator und Verfahren hierfür
DE102006009934A1 (de) * 2006-03-03 2007-09-06 Daimlerchrysler Ag Abgasnachbehandlungssystem und Verfahren zur Abgasreinigung
JP4432917B2 (ja) * 2006-03-06 2010-03-17 トヨタ自動車株式会社 内燃機関の排気浄化装置
US8156732B2 (en) * 2006-03-24 2012-04-17 Fleetguard, Inc. Apparatus, system, and method for regenerating an exhaust gas treatment device
US20070277505A1 (en) * 2006-05-30 2007-12-06 Ford Global Technologies, Llc Venting of on-board vehicle emissions treatment system
US20070289288A1 (en) * 2006-06-19 2007-12-20 Ford Global Technologies, Llc Venting of on-board vehicle emissions treatment system with pressure assist
EP2040834B2 (de) 2006-07-08 2019-10-30 Umicore AG & Co. KG Strukturierter scr-katalysator zur reduktion von stickoxiden im abgas von magermotoren unter verwendung von ammoniak als reduktionsmittel
US7587890B2 (en) 2006-08-21 2009-09-15 Cummins Inc. Reductant injection rate shaping method for regeneration of aftertreatment systems
US7469531B2 (en) * 2006-09-20 2008-12-30 Gm Global Technology Operations, Inc. Method and apparatus to control injection of a reductant into an exhaust gas feedstream
US20080072575A1 (en) * 2006-09-21 2008-03-27 Eaton Corporation Catalyst to improve low temperature deNOx activity in a reformer-LNT exhaust aftertreatment system
US8389432B2 (en) 2006-09-25 2013-03-05 Umicore Ag & Co. Kg Structured automotive catalyst with improved thermal ageing stability
US8109077B2 (en) * 2006-10-11 2012-02-07 Tenneco Automotive Operating Company Inc. Dual injector system for diesel emissions control
EP2087214B1 (de) * 2006-12-05 2013-07-10 Mack Trucks, Inc. Motor mit abgaskühlung und verfahren
US20080141662A1 (en) * 2006-12-14 2008-06-19 Markus Schuster Fluid injecting and mixing systems for exhaust after-treatment devices
DE102007004687B4 (de) * 2007-01-25 2012-03-01 Hydraulik-Ring Gmbh Volumensmengenabgabeeinheit und Verfahren zur Kalibrierung der Druckausgangssignal-Volumensmenge-Charakteristik
US20100199634A1 (en) * 2007-05-02 2010-08-12 David Mark Heaton Exhaust treatment system implementing selective doc bypass
US20080295499A1 (en) * 2007-05-31 2008-12-04 James Joshua Driscoll Exhaust system utilizing a low-temperature oxidation catalyst
KR100867799B1 (ko) * 2007-06-07 2008-11-10 현대자동차주식회사 요소를 이용한 선택적 촉매 환원 차량의 엔진 제어방법
US8209956B2 (en) * 2007-07-31 2012-07-03 Caterpillar Inc. SCR emissions control system
US8166751B2 (en) * 2007-07-31 2012-05-01 Caterpillar Inc. Particulate filter
US20090035194A1 (en) * 2007-07-31 2009-02-05 Caterpillar Inc. Exhaust treatment system with an oxidation device for NO2 control
US7799289B2 (en) * 2007-07-31 2010-09-21 Caterpillar Inc Exhaust treatment system with NO2 control
US8001769B2 (en) * 2007-08-20 2011-08-23 Caterpillar Inc. Control of SCR system having a filtering device
US7992380B2 (en) * 2007-08-23 2011-08-09 Caterpillar Inc. Emission control system implementing reduction agent injection
DE102007046460A1 (de) * 2007-09-28 2009-04-02 Daimler Ag Verfahren zur Verminderung der Emission von Stickstoffdioxid bei einem Kraftfahrzeug mit einer mager betriebenen Brennkraftmaschine
JP2009091976A (ja) * 2007-10-09 2009-04-30 Denso Corp 内燃機関の排気浄化装置
DE102008042678A1 (de) * 2007-10-09 2009-05-07 Denso Corp., Kariya-shi Abgasreinigungsgerät mit verbessertem Aufbau zur Sicherstellung einer exakten Einspritzung von Reduktionsmittel
US8151558B2 (en) * 2008-01-31 2012-04-10 Caterpillar Inc. Exhaust system implementing SCR and EGR
DE102008012780B4 (de) 2008-03-05 2012-10-04 Hydraulik-Ring Gmbh Abgasnachbehandlungseinrichtung
US8176729B2 (en) * 2008-03-06 2012-05-15 GM Global Technology Operations LLC Perturbation control strategy for low-temperature urea SCR NOx reduction
ATE460973T1 (de) 2008-04-11 2010-04-15 Umicore Ag & Co Kg Abgasreinigungssystem zur behandlung von motorenabgasen mittels scr-katalysator
US8555623B2 (en) 2008-04-18 2013-10-15 Honda Motor Co., Ltd. Exhaust purification apparatus for internal combustion engine
US9518492B2 (en) * 2008-04-23 2016-12-13 Caterpillar Inc. Exhaust system implementing in situ calibration
US7832200B2 (en) * 2008-04-23 2010-11-16 Caterpillar Inc Exhaust system implementing feedforward and feedback control
US8281572B2 (en) * 2008-04-30 2012-10-09 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions from an engine system
US8505278B2 (en) * 2009-04-30 2013-08-13 Cummins Ip, Inc. Engine system properties controller
US8161730B2 (en) * 2008-04-30 2012-04-24 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
US8201394B2 (en) * 2008-04-30 2012-06-19 Cummins Ip, Inc. Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system
US8256208B2 (en) * 2008-04-30 2012-09-04 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
JP4558816B2 (ja) * 2008-06-05 2010-10-06 株式会社日本自動車部品総合研究所 内燃機関の排気浄化装置
GB2460825A (en) * 2008-06-06 2009-12-16 Delphi Tech Inc Reagent dosing system
DE102008035562A1 (de) * 2008-07-30 2010-02-04 Emitec Gesellschaft Für Emissionstechnologie Mbh Abgasreinigungssystem für Dieselmotoren von Nutzkraftfahrzeugen
KR100974599B1 (ko) * 2008-08-07 2010-08-06 현대자동차주식회사 차량의 요소 분사량 제어장치 및 방법
US20100115930A1 (en) * 2008-11-07 2010-05-13 Gm Global Technology Operations, Inc. Exhaust after treatment system
US8225595B2 (en) * 2008-12-05 2012-07-24 Cummins Ip, Inc. Apparatus, system, and method for estimating an NOx conversion efficiency of a selective catalytic reduction catalyst
WO2010065965A2 (en) * 2008-12-05 2010-06-10 Cummins Ip, Inc. Apparatus, system, and method for controlling reductant dosing in an scr catalyst system
RU2011122628A (ru) * 2008-12-08 2012-12-10 Мицубиси Хеви Индастриз, Лтд. Устройство очистки выхлопных газов
US8448424B2 (en) * 2009-01-16 2013-05-28 Ford Global Technologies, Llc. Emission control system with an integrated particulate filter and selective catalytic reduction unit
DE102009000804B4 (de) * 2009-02-12 2013-07-04 Ford Global Technologies, Llc Abgasreinigungsanlage
EP2230001A1 (de) 2009-03-18 2010-09-22 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Abgasbehandlung
DE102009015419A1 (de) * 2009-03-27 2010-09-30 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zur Zufuhr von Reduktionsmittel in ein Abgassystem und entsprechendes Abgassystem
US8140248B2 (en) * 2009-04-07 2012-03-20 General Electric Company System and method for obtaining an optimal estimate of NOx emissions
US8813480B2 (en) 2009-06-03 2014-08-26 Toyota Jidosha Kabushiki Kaisha Exhaust purification system of internal combustion engine
DE102009027182A1 (de) * 2009-06-25 2010-12-30 Robert Bosch Gmbh Einspritzsystem zum Einspritzen von Fluid in einen Abgastrakt
US9133749B2 (en) * 2009-07-10 2015-09-15 Kevin Andrew Gady Ammonia storage set-point control for selective catalytic reduction applications
US8240194B2 (en) 2009-07-30 2012-08-14 Ford Global Technologies, Llc Methods and systems for diagnostics of an emission system with more than one SCR region
US8516798B2 (en) * 2009-07-30 2013-08-27 Ford Global Technologies, Llc Methods and systems for control of an emission system with more than one SCR region
DE102009035940C5 (de) * 2009-08-03 2017-04-20 Cummins Ltd. SCR-Abgasnachbehandlungseinrichtung
DE112010003613T5 (de) * 2009-09-10 2012-11-08 Cummins Ip, Inc. Niedertemperatur-Katalysator für die selektive katalytische Reduktion sowie dazugehörige Systeme und Verfahren
US20110064632A1 (en) * 2009-09-14 2011-03-17 Ford Global Technologies, Llc Staged Catalyst System and Method of Using the Same
US8529754B2 (en) 2009-09-28 2013-09-10 China Petroleum & Chemical Corporation Catalytic conversion process for producing more diesel and propylene
WO2011061839A1 (ja) * 2009-11-19 2011-05-26 イビデン株式会社 ハニカム構造体及び排ガス浄化装置
US9120056B2 (en) * 2010-02-16 2015-09-01 Ford Global Technologies, Llc Catalyst assembly for treating engine exhaust
DE102010013696A1 (de) * 2010-04-01 2011-10-06 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Betrieb einer Abgashandlungsvorrichtung
EP2375023B1 (de) * 2010-04-07 2012-09-19 Ford Global Technologies, LLC Verfahren zur Harnstoffdosierung in einem Abgassystem eines Fahrzeugs
JP2011220213A (ja) * 2010-04-08 2011-11-04 Hitachi Constr Mach Co Ltd 建設機械の内燃機関における排気ガス浄化システム
US8733083B2 (en) 2010-04-26 2014-05-27 Cummins Filtration Ip, Inc. SCR catalyst ammonia surface coverage estimation and control
CN101940880B (zh) * 2010-05-21 2012-06-27 中国神华能源股份有限公司 烟气脱硝方法
CN101940876B (zh) * 2010-05-21 2012-06-27 中国神华能源股份有限公司 一种烟气脱硝方法
CN101929379A (zh) * 2010-09-09 2010-12-29 中国第一汽车集团公司 尿素还原剂的二阀喷射方法
CN101929377A (zh) * 2010-09-09 2010-12-29 中国第一汽车集团公司 尿素还原剂的三阀喷射方法
CN101922336A (zh) * 2010-09-09 2010-12-22 中国第一汽车集团公司 尿素还原剂的四阀喷射方法
CN101929375B (zh) * 2010-09-09 2014-04-16 中国第一汽车集团公司 尿素还原剂的一阀三控喷射方法
CN101929378A (zh) * 2010-09-09 2010-12-29 中国第一汽车集团公司 尿素还原剂的多阀喷射方法
CN101922334A (zh) * 2010-09-09 2010-12-22 中国第一汽车集团公司 尿素还原剂的一阀五控喷射方法
US8943808B2 (en) 2010-09-27 2015-02-03 Caterpillar Inc. Reductant dosing system
EP2444613B1 (de) * 2010-10-22 2015-03-18 Volvo Car Corporation Anordnung und Verfahren zur Behandlung von Abgasen
JP5804544B2 (ja) * 2010-10-26 2015-11-04 日野自動車株式会社 内燃機関の排気処理装置
DE102010061222B4 (de) 2010-12-14 2015-05-07 Cummins Ltd. SCR-Abgasnachbehandlungseinrichtung
US8661785B2 (en) 2011-04-15 2014-03-04 Ford Global Technologies, Llc System and method for liquid reductant injection
US8789356B2 (en) * 2011-07-28 2014-07-29 Johnson Matthey Public Limited Company Zoned catalytic filters for treatment of exhaust gas
US9162183B2 (en) 2012-03-06 2015-10-20 Cummins Inc. System and method to manage SCR catalyst NO2/NOX ratio
WO2013133801A2 (en) * 2012-03-06 2013-09-12 International Engine Intellectual Property Company, Llc Multilayered (double-walled) ammonia canister
WO2013133799A1 (en) * 2012-03-06 2013-09-12 International Engine Intellectual Property Company, Llc Deep drawn, high compaction ammonia canister
US8997461B2 (en) 2012-05-21 2015-04-07 Cummins Emission Solutions Inc. Aftertreatment system having two SCR catalysts
US20130343959A1 (en) * 2012-06-21 2013-12-26 Tenneco Automotive Operating Company Inc. Common rail reductant injection system
CN104364484B (zh) * 2012-06-28 2016-12-14 博世株式会社 异常诊断装置以及内燃机的排气净化装置
SE538193C2 (sv) * 2012-07-05 2016-03-29 Scania Cv Ab SCR-system och förfarande vid ett SCR-system
JP2014020310A (ja) * 2012-07-20 2014-02-03 Hino Motors Ltd 排ガス浄化装置
CH707551A1 (de) * 2013-02-01 2014-08-15 Liebherr Machines Bulle Sa Abgasnachbehandlungssystem.
US9222388B2 (en) 2013-02-28 2015-12-29 Tenneco Automotive Operating Company Inc. Urea common rail
RU2015143694A (ru) 2013-03-14 2017-04-20 Басф Корпорейшн Каталитическая система селективного каталитического восстановления
RU2015143697A (ru) 2013-03-14 2017-04-20 Басф Корпорейшн Каталитические системы для селективного каталитического восстановления
US9181835B2 (en) 2013-08-13 2015-11-10 Caterpillar Inc. Supervisory model predictive selective catalytic reduction control method
US9284872B2 (en) 2013-09-17 2016-03-15 Cummins Emission Solutions Inc. System, methods, and apparatus for low temperature dosing in diesel exhaust systems
CN103511041A (zh) * 2013-10-17 2014-01-15 刘观柏 一种用于发动机scr的碳酸氢铵湿法制氨及计量喷射系统
US9192892B2 (en) 2014-01-16 2015-11-24 Cummins Emission Solutions, Inc. Selective dosing module control system
US9677439B2 (en) 2014-01-20 2017-06-13 Cummins Inc. Systems and methods to mitigate NOx and HC emissions
US9512761B2 (en) 2014-02-28 2016-12-06 Cummins Inc. Systems and methods for NOx reduction and aftertreatment control using passive NOx adsorption
US9567888B2 (en) 2014-03-27 2017-02-14 Cummins Inc. Systems and methods to reduce reductant consumption in exhaust aftertreament systems
DE112014006732T5 (de) 2014-06-11 2017-05-11 Tenneco Automotive Operating Company Inc. Fluidzufuhrsystem mit Leitungsdrucksteuerventil
JP6222168B2 (ja) * 2014-06-12 2017-11-01 トヨタ自動車株式会社 尿素水供給システム
EP2955351B1 (de) * 2014-06-12 2017-07-26 Toyota Jidosha Kabushiki Kaisha Befüllen eines harnstoff-fördersystems
JP6477250B2 (ja) * 2014-06-12 2019-03-06 トヨタ自動車株式会社 尿素水供給システム
US9624805B2 (en) * 2014-08-26 2017-04-18 Caterpillar Inc. Aftertreatment system having dynamic independent injector control
JP6330614B2 (ja) * 2014-10-17 2018-05-30 トヨタ自動車株式会社 内燃機関の排気浄化装置の故障判定装置
EP3228839B1 (de) 2014-11-21 2019-09-25 Tenneco (Suzhou) Emission System Co.,Ltd. Common-rail-anordnung, harnstoffeinspritzsystem und anwendung davon
CN105673154B (zh) 2014-11-21 2019-11-08 天纳克（苏州）排放系统有限公司 共轨、该共轨的应用、尿素喷射系统及其控制方法
KR101627052B1 (ko) * 2014-12-24 2016-06-02 두산엔진주식회사 선택적 촉매 환원 시스템
US9644516B1 (en) 2015-10-16 2017-05-09 Cummins Emission Solutions Inc. Mounting plate for mounting injectors and directing reductant flow in exhaust conduits
CN108472584A (zh) * 2015-12-22 2018-08-31 国际壳牌研究有限公司 催化剂床和用于还原氮氧化物的方法
WO2017112618A1 (en) 2015-12-22 2017-06-29 Shell Oil Company A reactor for reducing nitrogen oxides
EP3393630A1 (de) * 2015-12-22 2018-10-31 Shell Internationale Research Maatschappij B.V. Katalysatorbett und verfahren zur reduktion von stickoxiden
FR3054857B1 (fr) * 2016-08-04 2020-10-16 Peugeot Citroen Automobiles Sa Dispositif de post-traitement des gaz d’echappement d’un moteur thermique
JP6888452B2 (ja) * 2017-07-20 2021-06-16 いすゞ自動車株式会社 Ｓｃｒシステム
US10753254B2 (en) * 2018-03-06 2020-08-25 Cummins Emission Solutions Inc. Reductant insertion assemblies including multiple metering assemblies and a single pump
DE102018218465A1 (de) * 2018-10-29 2020-04-30 Robert Bosch Gmbh Verfahren zum Betreiben einer Abgasnachbehandlungseinrichtung
CN117345381A (zh) 2019-05-09 2024-01-05 康明斯排放处理公司 用于分流式紧密联接催化剂的阀门装置
JP7215323B2 (ja) * 2019-05-17 2023-01-31 トヨタ自動車株式会社 ハイブリッド車両の制御装置
WO2021074652A1 (en) 2019-10-16 2021-04-22 Johnson Matthey Public Limited Company Composite, zone-coated, dual-use ammonia (amox) and nitric oxide oxidation catalyst
US11352927B2 (en) * 2020-07-21 2022-06-07 Paccar Inc Control of selective catalytic reduction in heavy-duty motor vehicle engines

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599427A (en) * 1969-09-22 1971-08-17 Ford Motor Co Exhaust gas purification
GB1586530A (en) * 1977-05-31 1981-03-18 Caterpillar Tractor Co Two-stage catalysts of engine exhaust
US4403473A (en) * 1981-06-22 1983-09-13 Caterpillar Tractor Co. Ammonia/fuel ratio control system for reducing nitrogen oxide emissions
EP0148358B1 (de) * 1983-11-10 1991-04-03 KAT-TEC Gesellschaft für Katalysatortechnik mbH Katalysator zur Verbrennung und Umwandlung von Gasen und höheren Kohlenwasserstoffen, sowie Vorrichtung zur Reduktion von Stickoxiden und Abgasnachverbrenner mit einem solchen Katalysator
DE3430870A1 (de) * 1984-08-22 1986-02-27 Didier Engineering Gmbh, 4300 Essen Verfahren zur abgasreinigung
JPS6219229A (ja) * 1985-07-16 1987-01-28 Babcock Hitachi Kk アンモニアの注入量制御装置
US4842834A (en) * 1987-02-02 1989-06-27 Fuel Tech, Inc. Process for reducing the concentration of pollutants in an effluent
JPS63198713A (ja) * 1987-02-13 1988-08-17 Hino Motors Ltd デイ−ゼルエンジンの窒素酸化物除去方法
DE3830045C2 (de) * 1988-09-03 1993-09-30 Bayer Ag Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden mittels eines zeolithhaltigen Katalysators
KR950012137B1 (ko) * 1989-02-02 1995-10-14 닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤 디이젤엔진 배기가스 중의 질소산화물 제거방법
US4961917A (en) * 1989-04-20 1990-10-09 Engelhard Corporation Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts
US5024981A (en) * 1989-04-20 1991-06-18 Engelhard Corporation Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same
US5189876A (en) * 1990-02-09 1993-03-02 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification system for an internal combustion engine
DE4038054A1 (de) * 1990-11-29 1992-06-04 Man Technologie Gmbh Verfahren und vorrichtung zur selektiven katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion in sauerstoffhaltigen abgasen
DE4109305A1 (de) * 1991-03-21 1992-09-24 Siemens Ag Einrichtung zum einbringen eines reaktionsmittels in einen gasstrom
US5224346A (en) * 1991-05-16 1993-07-06 James W. Davis Engine NOx reduction system
DE4117143C2 (de) * 1991-05-25 1995-04-20 Daimler Benz Ag Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in Abgasen aus Kraftfahrzeugdieselmotoren
US5208205A (en) * 1991-10-07 1993-05-04 Ford Motor Company Catalyst system for converting emissions of a lean-burn engine
JP2783074B2 (ja) * 1991-10-29 1998-08-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
ATE190240T1 (de) * 1991-11-26 2000-03-15 Engelhard Corp Oxidationskatalysator und verfahren zur anwendung
DE4203219A1 (de) * 1992-02-05 1993-08-12 Basf Ag Verfahren zur stickoxidminderung in abgasen durch gesteuerte nh(pfeil abwaerts)3(pfeil abwaerts)-zugabe
DE4214183A1 (de) * 1992-04-30 1993-06-09 Daimler Benz Ag Abgasnachbehandlungseinrichtung fuer verbrennungsmotoren, mit einem reduktionskatalysator zur selektiven katalytischen reduktion von stickoxiden aus abgasen, insbesondere aus abgasen von kraftfahrzeugdieselmotoren
DE4217552C1 (de) * 1992-05-27 1993-08-19 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
US5285640A (en) * 1992-07-21 1994-02-15 Olivo John R Integrated post-engine emissions heater, catalytic converter and muffler
JPH06123218A (ja) * 1992-10-07 1994-05-06 Mitsubishi Motors Corp 排気ガス浄化装置
DE4338883B4 (de) * 1992-11-24 2005-03-03 Volkswagen Ag Katalysatoranordnung zum Vermindern von in sauerstoffhaltigen Abgasen enthaltenen Stickoxiden
US5406790A (en) * 1992-12-11 1995-04-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an engine
EP0611594A1 (de) * 1993-02-17 1994-08-24 Siemens Aktiengesellschaft Katalysator zur Umsetzung von Reaktanten eines Gasgemisches
DE4315278A1 (de) * 1993-05-07 1994-11-10 Siemens Ag Verfahren und Einrichtung zur Dosierung eines Reduktionsmittels in ein stickoxidhaltiges Abgas
ES2119944T3 (es) * 1993-11-04 1998-10-16 Siemens Ag Procedimiento y dispositivo para la dosificacion de un reactivo en un medio fluido.
JP3344040B2 (ja) * 1993-11-25 2002-11-11 トヨタ自動車株式会社 内燃機関の排気浄化装置
JPH07243322A (ja) * 1994-03-03 1995-09-19 Hino Motors Ltd エンジンのＮＯｘ低減装置
DE4432576A1 (de) * 1994-09-13 1996-03-14 Siemens Ag Einrichtung zur Einbringung einer Flüssigkeit in ein Strömungsmedium
JPH08338297A (ja) * 1995-04-12 1996-12-24 Toyota Motor Corp 触媒劣化判定装置
JP3557815B2 (ja) * 1996-11-01 2004-08-25 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE19709102A1 (de) * 1997-03-06 1998-10-08 Degussa Katalysatorsystem zur Abgasreinigung von Dieselmotoren
US5924280A (en) * 1997-04-04 1999-07-20 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine while maximizing fuel economy

Also Published As

Publication number Publication date
DE69910605D1 (de) 2003-09-25
WO2000029728A1 (en) 2000-05-25
EP1129278A1 (de) 2001-09-05
JP2003529699A (ja) 2003-10-07
DE69910605T2 (de) 2004-06-17
WO2000029728A9 (en) 2001-04-19
KR20010075708A (ko) 2001-08-09
US6125629A (en) 2000-10-03
EP1129278B1 (de) 2003-08-20
AU2146200A (en) 2000-06-05
KR100642701B1 (ko) 2006-11-10

Similar Documents

Publication Publication Date Title
ATE247768T1 (de) Stufenweise reduktionsmittelinjektion zur verbesserten nox reduzierung
ATE157278T1 (de) Verfahren zur selektiven katalytischen reduktion von nox in wasserdapmf- und sauerstoffhaltigen gasen
TR199801663A2 (xx) Bir redüksiyon malzemesinin bir içten yanmalı motorun nitrikli oksit içeren egzos gazında dozajlanması sistemi.
DE60134473D1 (de) Abgassanlage für eine verbesserte reduktion von stickoxiden und partikeln eines dieselmotors
ATE209954T1 (de) Vorrichtung zur reduktion von nox in abgasen
DE59803471D1 (de) Verfahren und vorrichtung zur reduzierung der stickoxide im abgas einer verbrennungsanlage
GB0220645D0 (en) Exhaust system for a lean burn ic engine
DE59909041D1 (de) Verfahren und vorrichtung zur katalytischen reduzierung von stickoxiden im abgas einer verbrennungsanlage
DK0998625T4 (da) Reduktion af emissioner af NOx fra en motor under maksimering af brændstoføkonomi
ATE303506T1 (de) Steuerungssystem für scr-anwendungen
EP1036591A4 (de) Abgasenreinigungskatalisator und verfahren zm reinigun von abgasen
TR199801535A2 (xx) Motor artık gazlarında katalitik NOx-redüksiyonu için mekanizma.
EP1069287A3 (de) Abgasemissionsregeleinrichtung
IL147074A0 (en) Process and device for reducing nitrous oxide
ATE253972T1 (de) Verfahren und abgasreinigungsanlage zur katalytischen reduktion von stickoxiden im abgas einer verbrennungsanlage
EP1176289A3 (de) Abgasemissions-Steuerungssystem für Verbrennungsmotoren
ZA987852B (en) Automobile emission catalysts
DE59904961D1 (de) Verfahren zur reinigung dieselmotorischen abgases
CN116085097B (zh) 一种车辆的后处理系统控制方法、装置、存储介质和车辆
KR100587807B1 (ko) 차량 배기계의 선택적 촉매장치의 제어 방법
ATE146694T1 (de) Katalysator zur verminderung der stickoxide im rauchgas und verfahren zu seiner herstellung
IT1261585B (it) Sistema di scarico per un motore a combustione interna di autoveicolo,e procedimento per la produzione di tale sistema
JPS5390187A (en) Catalys for ammonia catalytic reduction
DE69415950D1 (de) Katalysator und katalytisches verfahren zur reduktion von stickstoffoxiden
JP2508640Y2 (ja) 排出ガス後処理装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties