BR112015027364A2 - método para a distribuição e estocagem de uréia a montante de um dispositivo de catalisador em um sistema de tratamento de gás de exaustão - Google Patents

método para a distribuição e estocagem de uréia a montante de um dispositivo de catalisador em um sistema de tratamento de gás de exaustão

Info

Publication number
BR112015027364A2
BR112015027364A2 BR112015027364A BR112015027364A BR112015027364A2 BR 112015027364 A2 BR112015027364 A2 BR 112015027364A2 BR 112015027364 A BR112015027364 A BR 112015027364A BR 112015027364 A BR112015027364 A BR 112015027364A BR 112015027364 A2 BR112015027364 A2 BR 112015027364A2
Authority
BR
Brazil
Prior art keywords
exhaust gas
cleaning system
engine
reducing agent
catalyst device
Prior art date
Application number
BR112015027364A
Other languages
English (en)
Inventor
Liljestrand Andreas
Birgersson Henrik
Nilsson Magnus
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
Publication of BR112015027364A2 publication Critical patent/BR112015027364A2/pt

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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • 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
    • 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
    • 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
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas apparatus
    • 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
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1811—Temperature
    • 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)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

1/1 resumo “método para a distribuição e estocagem de uréia a montante de um dispositivo de catalisador em um sistema de tratamento de gás de exaustão” a invenção refere-se a um método em um sistema de limpeza de gás de exaustão para um motor (235) no qual é adicionado um agente redutor em uma passagem (290) para gases de exaustão do referido motor (235) para fins de limpeza dos gases de exaustão, e onde o referido sistema de limpeza de gás de exaustão inclui arranjos (270) que requerem certo nível de temperatura (tmax) para obter a limpeza catalítica do gás de exaustão. o método compreende as etapas de: -distribuir e armazenar (s430) uma quantidade limitada de agente redutor na referida passagem de gás de exaustão (290) a montante dos referidos arranjos (270) em uma temperatura que não excede o referido certo nível de temperatura (tmax); e -o uso (s440) durante uma partida a frio do referido sistema de limpeza de gás de exaustão do referido agente redutor distribuído e armazenado para obter a referida limpeza catalítica do gás de exaustão. a invenção refere-se também a um produto de programa de computador compreendendo um código de programa (p) para um computador (200; 210) para implementar um método de acordo com a invenção. a invenção refere-se também a um arranjo para um sistema de limpeza de gás de exaustão para um motor (235), e um veículo motorizado (100) que é equipado com o arranjo.
BR112015027364A 2013-05-21 2014-05-21 método para a distribuição e estocagem de uréia a montante de um dispositivo de catalisador em um sistema de tratamento de gás de exaustão BR112015027364A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1350616 2013-05-21
PCT/SE2014/050622 WO2014189454A1 (en) 2013-05-21 2014-05-21 Method for distributing and storing urea upstream a catalytic device in an exhaust treatment system

Publications (1)

Publication Number Publication Date
BR112015027364A2 true BR112015027364A2 (pt) 2017-07-25

Family

ID=51933869

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015027364A BR112015027364A2 (pt) 2013-05-21 2014-05-21 método para a distribuição e estocagem de uréia a montante de um dispositivo de catalisador em um sistema de tratamento de gás de exaustão

Country Status (6)

Country Link
US (2) US9957869B2 (pt)
EP (1) EP2999863A4 (pt)
KR (1) KR101799949B1 (pt)
BR (1) BR112015027364A2 (pt)
RU (1) RU2015154499A (pt)
WO (1) WO2014189454A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2516245A (en) * 2013-07-15 2015-01-21 Gm Global Tech Operations Inc Method of determining the thermal state of a substance in cold condition
JP6436132B2 (ja) * 2016-06-03 2018-12-12 トヨタ自動車株式会社 内燃機関の排気浄化システム
CN106703958B (zh) * 2016-12-26 2021-05-18 潍柴动力股份有限公司 Scr催化消声器内部结晶的诊断方法、scr催化消声器及scr系统
DE102018200313A1 (de) * 2018-01-11 2019-07-11 Robert Bosch Gmbh Verfahren zum Herstellen eines Steuersystems für ein Kraftfahrzeug, Steuersystem
US10494976B2 (en) * 2018-01-26 2019-12-03 Gm Global Technology Operations, Llc Exhaust aftertreatment system and doc NO2 generation on-board diagnostics method
CN114645754A (zh) * 2021-05-20 2022-06-21 长城汽车股份有限公司 尿素喷射控制方法、装置、存储介质及电子设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001303934A (ja) 1998-06-23 2001-10-31 Toyota Motor Corp 内燃機関の排気浄化装置
US7264785B2 (en) 2001-12-20 2007-09-04 Johnson Matthey Public Limited Company Selective catalytic reduction
US6981368B2 (en) * 2002-11-21 2006-01-03 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US8079211B2 (en) * 2008-11-06 2011-12-20 Ford Global Technologies, Llc Bypass purge for protecting against formation of reductant deposits
US8671666B2 (en) 2010-03-11 2014-03-18 Cummins Inc. System and apparatus for enhancing exhaust aftertreatment startup emissions control
JP2012047109A (ja) * 2010-08-27 2012-03-08 Toyota Industries Corp 排気ガス浄化装置
JP2012052476A (ja) * 2010-09-02 2012-03-15 Toyota Industries Corp 排気ガス浄化システム
US8789358B2 (en) * 2010-11-12 2014-07-29 GM Global Technology Operations LLC Selective catalytic reduction catalyst ammonia storage control systems and methods

Also Published As

Publication number Publication date
US10662846B2 (en) 2020-05-26
EP2999863A4 (en) 2016-11-23
US20160097312A1 (en) 2016-04-07
US9957869B2 (en) 2018-05-01
EP2999863A1 (en) 2016-03-30
KR101799949B1 (ko) 2017-11-22
KR20160010564A (ko) 2016-01-27
WO2014189454A1 (en) 2014-11-27
RU2015154499A (ru) 2017-06-26
US20180073409A1 (en) 2018-03-15

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements
B350 Update of information on the portal [chapter 15.35 patent gazette]