GB2397036A - Controlling reductant injection in response to engine behaviour - Google Patents

Controlling reductant injection in response to engine behaviour Download PDF

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Publication number
GB2397036A
GB2397036A GB0325649A GB0325649A GB2397036A GB 2397036 A GB2397036 A GB 2397036A GB 0325649 A GB0325649 A GB 0325649A GB 0325649 A GB0325649 A GB 0325649A GB 2397036 A GB2397036 A GB 2397036A
Authority
GB
United Kingdom
Prior art keywords
engine
transient
nox
reductant
measure
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.)
Withdrawn
Application number
GB0325649A
Other languages
English (en)
Other versions
GB0325649D0 (en
Inventor
David Arthur Ketcher
William Charles Ruona
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of GB0325649D0 publication Critical patent/GB0325649D0/en
Publication of GB2397036A publication Critical patent/GB2397036A/en
Withdrawn legal-status Critical Current

Links

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
    • B01D53/92—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
    • 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
    • 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
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/10—Introducing corrections for particular operating conditions for acceleration
    • F02D41/107—Introducing corrections for particular operating conditions for acceleration and deceleration
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/04—Combinations of different methods of purification afterburning and catalytic conversion
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0404—Methods of control or diagnosing using a data filter
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1012—Engine speed gradient
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB0325649A 2002-11-06 2003-11-04 Controlling reductant injection in response to engine behaviour Withdrawn GB2397036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/065,650 US20040083721A1 (en) 2002-11-06 2002-11-06 Diesel aftertreatment systems

Publications (2)

Publication Number Publication Date
GB0325649D0 GB0325649D0 (en) 2003-12-10
GB2397036A true GB2397036A (en) 2004-07-14

Family

ID=29731621

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0325649A Withdrawn GB2397036A (en) 2002-11-06 2003-11-04 Controlling reductant injection in response to engine behaviour
GBGB0325812.6A Ceased GB0325812D0 (en) 2002-11-06 2003-11-05 A method and system for controlling a NOx reducing catalyst

Family Applications After (1)

Application Number Title Priority Date Filing Date
GBGB0325812.6A Ceased GB0325812D0 (en) 2002-11-06 2003-11-05 A method and system for controlling a NOx reducing catalyst

Country Status (4)

Country Link
US (2) US20040083721A1 (ja)
JP (1) JP2004156614A (ja)
DE (1) DE10346714A1 (ja)
GB (2) GB2397036A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7628009B2 (en) * 2005-10-07 2009-12-08 Eaton Corporation Exhaust aftertreatment system with transmission control
US20070079605A1 (en) * 2005-10-07 2007-04-12 Eaton Corporation Exhaust aftertreatment system with transmission control
US7650747B2 (en) * 2007-03-28 2010-01-26 Gm Global Technology Operations, Inc. Method and apparatus for exhaust gas purifying using hydrocarbon-selective catalytic reduction
DE102007031530A1 (de) 2007-05-08 2008-11-13 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Bereitstellen von Reduktionsmittel zur selektiven katalytischen Reduktion von Stickoxiden und entsprechende Vorrichtung
JP5560426B2 (ja) * 2008-12-19 2014-07-30 Ｕｄトラックス株式会社 エンジンの排気浄化装置
JP5655348B2 (ja) * 2010-03-31 2015-01-21 いすゞ自動車株式会社 内燃機関の排気浄化制御システム
US9038373B2 (en) 2010-05-03 2015-05-26 Cummins Inc. Ammonia sensor control of an SCR aftertreatment system
US8640448B2 (en) * 2010-05-03 2014-02-04 Cummins Inc. Transient compensation control of an SCR aftertreatment system
US9476338B2 (en) 2010-05-03 2016-10-25 Cummins Inc. Ammonia sensor control, with NOx feedback, of an SCR aftertreatment system
JP2011241692A (ja) * 2010-05-14 2011-12-01 Isuzu Motors Ltd Ｓｃｒシステム
US9677493B2 (en) 2011-09-19 2017-06-13 Honeywell Spol, S.R.O. Coordinated engine and emissions control system
DE102014018225A1 (de) 2014-12-06 2015-06-25 Daimler Ag Verfahren und Steuerungseinrichtung zum Ermitteln einer Menge eines Reduktionsmittels für die Abgasnachbehandlung
DE102020104487A1 (de) 2020-02-20 2021-08-26 Volkswagen Aktiengesellschaft Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors sowie Abgasnachbehandlungssystem
JP2022137751A (ja) * 2021-03-09 2022-09-22 株式会社小松製作所 制御装置、制御方法および排気浄化システム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5976475A (en) * 1997-04-02 1999-11-02 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
US20020069642A1 (en) * 1999-01-19 2002-06-13 Winfried Dolling Method for the catalytic conversion of nitrogen oxides contained in the exhaust gas of an internal combustion engine
US6408619B1 (en) * 1997-12-17 2002-06-25 Siemens Aktiengesellschaft Method and device for reducing the nitrogen oxides in the exhaust gas of a combustion system
US6442932B1 (en) * 1998-04-24 2002-09-03 Siemens Aktiengesellschaft Method and device for the catalytic reduction of nitrogen oxides contained in the off-gas from a combustion system
GB2381762A (en) * 2001-09-04 2003-05-14 Ford Global Tech Inc Control of reagent addition to NOx emission reducing systems, especially vehicle exhaust systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69326217T3 (de) * 1992-06-12 2009-11-12 Toyota Jidosha Kabushiki Kaisha, Toyota-shi Abgasemissionssteuerungssystem für verbrennungsmotoren
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
US6199374B1 (en) * 1997-10-22 2001-03-13 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying device for engine
DE19749400C2 (de) * 1997-11-07 2001-11-29 Siemens Ag Verfahren zur Verringerung des NOX-Gehaltes im Abgas einer Dieselbrennkraftmaschine
US6301377B1 (en) * 1999-10-05 2001-10-09 Large Scale Proteomics Corporation Gel electrophoresis image warping
US6311484B1 (en) * 2000-02-22 2001-11-06 Engelhard Corporation System for reducing NOx transient emission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5976475A (en) * 1997-04-02 1999-11-02 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
US6408619B1 (en) * 1997-12-17 2002-06-25 Siemens Aktiengesellschaft Method and device for reducing the nitrogen oxides in the exhaust gas of a combustion system
US6442932B1 (en) * 1998-04-24 2002-09-03 Siemens Aktiengesellschaft Method and device for the catalytic reduction of nitrogen oxides contained in the off-gas from a combustion system
US20020069642A1 (en) * 1999-01-19 2002-06-13 Winfried Dolling Method for the catalytic conversion of nitrogen oxides contained in the exhaust gas of an internal combustion engine
GB2381762A (en) * 2001-09-04 2003-05-14 Ford Global Tech Inc Control of reagent addition to NOx emission reducing systems, especially vehicle exhaust systems

Also Published As

Publication number Publication date
DE10346714A1 (de) 2004-06-17
US20040083721A1 (en) 2004-05-06
US20050066652A1 (en) 2005-03-31
GB0325649D0 (en) 2003-12-10
JP2004156614A (ja) 2004-06-03
GB0325812D0 (en) 2003-12-10

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)