EP2791485A4 - METHOD FOR A SCR SYSTEM AND SCR SYSTEM - Google Patents

METHOD FOR A SCR SYSTEM AND SCR SYSTEM

Info

Publication number
EP2791485A4
EP2791485A4 EP12857883.8A EP12857883A EP2791485A4 EP 2791485 A4 EP2791485 A4 EP 2791485A4 EP 12857883 A EP12857883 A EP 12857883A EP 2791485 A4 EP2791485 A4 EP 2791485A4
Authority
EP
European Patent Office
Prior art keywords
scr system
method pertaining
scr
pertaining
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Withdrawn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
EP12857883.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2791485A1 (en
Inventor
Andreas Liljestrand
Per Bremberg
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.)
Scania CV AB
Original Assignee
Scania CV AB
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 Scania CV AB filed Critical Scania CV AB
Priority claimed from PCT/SE2012/051378 external-priority patent/WO2013089625A1/en
Publication of EP2791485A1 publication Critical patent/EP2791485A1/en
Publication of EP2791485A4 publication Critical patent/EP2791485A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F01N2610/1433—Pumps
    • 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
    • F01N2610/1433—Pumps
    • F01N2610/144—Control thereof
    • 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
    • F01N2900/1404—Exhaust gas temperature
    • 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
    • F01N2900/1411—Exhaust gas flow rate, e.g. mass flow rate or volumetric flow rate
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
EP12857883.8A 2011-12-14 2012-12-12 METHOD FOR A SCR SYSTEM AND SCR SYSTEM Withdrawn EP2791485A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1151192A SE536241C2 (sv) 2011-12-14 2011-12-14 Förfarande för reduktionsmedelsdosering vid ett SCR-system med tryckreglering på basis av en temperatur vid avgasrör
PCT/SE2012/051378 WO2013089625A1 (en) 2011-12-14 2012-12-12 Method pertaining to an scr system and an scr system

Publications (2)

Publication Number Publication Date
EP2791485A1 EP2791485A1 (en) 2014-10-22
EP2791485A4 true EP2791485A4 (en) 2015-08-26

Family

ID=48749643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12857883.8A Withdrawn EP2791485A4 (en) 2011-12-14 2012-12-12 METHOD FOR A SCR SYSTEM AND SCR SYSTEM

Country Status (2)

Country Link
EP (1) EP2791485A4 (sv)
SE (1) SE536241C2 (sv)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008196375A (ja) * 2007-02-13 2008-08-28 Toyota Motor Corp 内燃機関の排気浄化装置
US20090301067A1 (en) * 2008-06-06 2009-12-10 Delphi Technologies, Inc. Reagent dosing system and method of dosing reagent
US20110023466A1 (en) * 2009-08-03 2011-02-03 Hydraulik-Ring Gmbh SCR exhaust gas aftertreatment device
US20110083424A1 (en) * 2009-10-09 2011-04-14 Gm Global Technology Operations, Inc. Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system
US20110239625A1 (en) * 2008-12-10 2011-10-06 Continental Automotive Gmbh Method and device for adapting the injection agent supply in an injection system, and exhaust gas aftertreatment system
WO2011142708A1 (en) * 2010-04-23 2011-11-17 Scania Cv Ab Method and device pertaining to the service need of a filter in a scr-system's liquid supply device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008196375A (ja) * 2007-02-13 2008-08-28 Toyota Motor Corp 内燃機関の排気浄化装置
US20090301067A1 (en) * 2008-06-06 2009-12-10 Delphi Technologies, Inc. Reagent dosing system and method of dosing reagent
US20110239625A1 (en) * 2008-12-10 2011-10-06 Continental Automotive Gmbh Method and device for adapting the injection agent supply in an injection system, and exhaust gas aftertreatment system
US20110023466A1 (en) * 2009-08-03 2011-02-03 Hydraulik-Ring Gmbh SCR exhaust gas aftertreatment device
US20110083424A1 (en) * 2009-10-09 2011-04-14 Gm Global Technology Operations, Inc. Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system
WO2011142708A1 (en) * 2010-04-23 2011-11-17 Scania Cv Ab Method and device pertaining to the service need of a filter in a scr-system's liquid supply device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013089625A1 *

Also Published As

Publication number Publication date
SE536241C2 (sv) 2013-07-16
EP2791485A1 (en) 2014-10-22
SE1151192A1 (sv) 2013-06-15

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