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GB0322963D0 - Methods of controlling reducant addition - Google Patents

Methods of controlling reducant addition

Info

Publication number
GB0322963D0
GB0322963D0 GBGB0322963.0A GB0322963A GB0322963D0 GB 0322963 D0 GB0322963 D0 GB 0322963D0 GB 0322963 A GB0322963 A GB 0322963A GB 0322963 D0 GB0322963 D0 GB 0322963D0
Authority
GB
United Kingdom
Prior art keywords
reducant
controlling
methods
addition
reducant addition
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.)
Ceased
Application number
GBGB0322963.0A
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of GB0322963D0 publication Critical patent/GB0322963D0/en
Priority to AT04742996T priority Critical patent/ATE362041T1/en
Priority to KR1020057024349A priority patent/KR20060069355A/en
Priority to JP2006516452A priority patent/JP2006527815A/en
Priority to US10/561,069 priority patent/US7861516B2/en
Priority to CA002527006A priority patent/CA2527006A1/en
Priority to PCT/GB2004/002643 priority patent/WO2004113691A2/en
Priority to DE602004006415T priority patent/DE602004006415T2/en
Priority to EP04742996A priority patent/EP1633959B1/en
Ceased 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
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    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
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    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
    • 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
    • F02M26/45—Sensors specially adapted for EGR systems
    • F02M26/48—EGR valve position sensors
    • 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
    • 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
    • Y02T10/40—Engine management systems

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)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
GBGB0322963.0A 2003-06-18 2003-10-01 Methods of controlling reducant addition Ceased GB0322963D0 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT04742996T ATE362041T1 (en) 2003-06-18 2004-06-18 METHOD FOR CONTROLLING THE ADDITION OF REDUCING AGENT
KR1020057024349A KR20060069355A (en) 2003-06-18 2004-06-18 Methods of controlling reductant addition
JP2006516452A JP2006527815A (en) 2003-06-18 2004-06-18 Control method of reductant addition
US10/561,069 US7861516B2 (en) 2003-06-18 2004-06-18 Methods of controlling reductant addition
CA002527006A CA2527006A1 (en) 2003-06-18 2004-06-18 System and method of controlling reductant addition
PCT/GB2004/002643 WO2004113691A2 (en) 2003-06-18 2004-06-18 System and method of controlling reductant addition
DE602004006415T DE602004006415T2 (en) 2003-06-18 2004-06-18 PROCESS FOR CONTROLLING THE REDUCTION ADDITIVE
EP04742996A EP1633959B1 (en) 2003-06-18 2004-06-18 Methods of controlling reductant addition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0314463.1A GB0314463D0 (en) 2003-06-23 2003-06-23 Method of calibrating reductant injection in a SCR system

Publications (1)

Publication Number Publication Date
GB0322963D0 true GB0322963D0 (en) 2003-11-05

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Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB0314463.1A Ceased GB0314463D0 (en) 2003-06-18 2003-06-23 Method of calibrating reductant injection in a SCR system
GBGB0322963.0A Ceased GB0322963D0 (en) 2003-06-18 2003-10-01 Methods of controlling reducant addition
GB0414061A Withdrawn GB2403165A (en) 2003-06-23 2004-06-23 Correlating reductant injection with NOx leve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0314463.1A Ceased GB0314463D0 (en) 2003-06-18 2003-06-23 Method of calibrating reductant injection in a SCR system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0414061A Withdrawn GB2403165A (en) 2003-06-23 2004-06-23 Correlating reductant injection with NOx leve

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GB (3) GB0314463D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004113691A2 (en) 2003-06-18 2004-12-29 Johnson Matthey Public Limited Company System and method of controlling reductant addition
EP1901831B1 (en) * 2005-06-29 2012-12-19 Amminex A/S Method and device for safe and controlled delivery of ammonia from a solid ammonia storage medium
DE102005042488A1 (en) * 2005-09-07 2007-03-08 Robert Bosch Gmbh Method for operating an internal combustion engine and device for carrying out the method
GB2460053B (en) 2008-05-14 2012-06-13 Gm Global Tech Operations Inc A method for controlling the EGR and the throttle valves in an internal combustion engine
JP2011094540A (en) * 2009-10-30 2011-05-12 Toyota Industries Corp Exhaust gas purification apparatus in internal combustion engine
EP2375023B1 (en) * 2010-04-07 2012-09-19 Ford Global Technologies, LLC Method of controlling urea dosing in an exhaust system of a vehicle
CN105649722B (en) * 2014-12-04 2018-03-06 财团法人车辆研究测试中心 Adaptive control method and system for selective reduction catalyst
CN117869044B (en) * 2024-03-11 2024-06-18 潍柴动力股份有限公司 Urea nozzle injection precision correction method and related device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1071325A (en) * 1996-06-21 1998-03-17 Ngk Insulators Ltd Method for controlling engine exhaust gas system and method for detecting deterioration in catalyst/ adsorption means
DE19924029C2 (en) * 1999-05-26 2001-05-23 Porsche Ag Method for monitoring the function of an exhaust gas aftertreatment system

Also Published As

Publication number Publication date
GB2403165A (en) 2004-12-29
GB0414061D0 (en) 2004-07-28
GB0314463D0 (en) 2003-07-23
GB2403165A8 (en) 2005-01-04

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