BR112014014298A2 - método pertencente a um sistema scr e um sistema scr - Google Patents

método pertencente a um sistema scr e um sistema scr

Info

Publication number
BR112014014298A2
BR112014014298A2 BR112014014298A BR112014014298A BR112014014298A2 BR 112014014298 A2 BR112014014298 A2 BR 112014014298A2 BR 112014014298 A BR112014014298 A BR 112014014298A BR 112014014298 A BR112014014298 A BR 112014014298A BR 112014014298 A2 BR112014014298 A2 BR 112014014298A2
Authority
BR
Brazil
Prior art keywords
scr system
relates
controlling
pressure
motor vehicle
Prior art date
Application number
BR112014014298A
Other languages
English (en)
Inventor
Liljestrand Andreas
Bremberg Per
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
Priority claimed from SE1151192A external-priority patent/SE536241C2/sv
Application filed by Scania Cv Ab filed Critical Scania Cv Ab
Publication of BR112014014298A2 publication Critical patent/BR112014014298A2/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
    • F01N3/20—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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • 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
    • 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

  • 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)

Abstract

1/1 resumo “método pertencente a um sistema scr e um sistema scr” a invenção refere-se a um método pertencente a sistemas scr para um veículo motorizado (100, 110), compreendendo um dispositivo de alimentação (130) para alimentar agente de redução de um recipiente (205) para uma unidade de dosagem (250), para suprimento de dito agente de redução a um duto de exaustão do veículo (100, 110). o método compreende a etapa de controlar a dosagem da unidade de dosagem (250) por meio de uma pressão (pr) em que o agente de redução é dosado, pressão esta (pt) sendo controlada pelo controle de uma velocidade de rotação (rpm) de dito dispositivo de alimentação (130). a invenção refere-se também a um produto de programa de computador compreendendo 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 sistema scr e um veículo motorizado (100, 110), equipado com o sistema scr .
BR112014014298A 2011-12-14 2012-12-12 método pertencente a um sistema scr e um sistema scr BR112014014298A2 (pt)

Applications Claiming Priority (3)

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
SE1251409A SE537527C2 (sv) 2011-12-14 2012-12-12 Förfarande vid ett SCR- system och ett SCR-system

Publications (1)

Publication Number Publication Date
BR112014014298A2 true BR112014014298A2 (pt) 2017-06-13

Family

ID=48612939

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014014298A BR112014014298A2 (pt) 2011-12-14 2012-12-12 método pertencente a um sistema scr e um sistema scr

Country Status (5)

Country Link
US (1) US20140331647A1 (pt)
CN (1) CN104114825A (pt)
BR (1) BR112014014298A2 (pt)
SE (1) SE537527C2 (pt)
WO (1) WO2013089625A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537640C2 (sv) * 2013-03-07 2015-09-01 Scania Cv Ab Förfarande vid ett SCR-system och ett SCR-system
JP6365099B2 (ja) * 2014-08-08 2018-08-01 いすゞ自動車株式会社 尿素水の温度管理システム及び尿素水の温度管理方法
JP6804333B2 (ja) * 2017-02-27 2020-12-23 三菱重工業株式会社 排ガス処理装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4720054B2 (ja) * 2001-09-11 2011-07-13 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4464613B2 (ja) * 2003-02-28 2010-05-19 三菱自動車工業株式会社 触媒温度推定装置及び触媒温度推定方法
US7467749B2 (en) * 2004-04-26 2008-12-23 Tenneco Automotive Operating Company Inc. Methods and apparatus for injecting atomized reagent
US7644577B2 (en) * 2004-10-29 2010-01-12 Philip Morris Usa, Inc. Reducing agent metering system for reducing NOx in lean burn internal combustion engines
JP2008196375A (ja) * 2007-02-13 2008-08-28 Toyota Motor Corp 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
DE102009023325B4 (de) * 2008-12-10 2012-01-26 Continental Automotive Gmbh Verfahren zur Adaption der Injektionsmittelzufuhr in einem Injektionssystem
DE102008063488A1 (de) * 2008-12-17 2010-06-24 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zur tropfenförmigen Zugabe eines flüssigen Reduktionsmittels in eine Abgasleitung
US8479496B2 (en) * 2009-07-02 2013-07-09 GM Global Technology Operations LLC Selective catalytic reduction system using electrically heated catalyst
US8745973B2 (en) * 2009-08-20 2014-06-10 GM Global Technology Operations LLC System and method for controlling reducing agent injection in a selective catalytic reduction system
JP5570188B2 (ja) * 2009-11-16 2014-08-13 Ｕｄトラックス株式会社 エンジンの排気浄化装置
US8359842B2 (en) * 2010-01-21 2013-01-29 Emcon Technologies Llc Airless fuel delivery system
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
SE1251409A1 (sv) 2013-06-15
SE537527C2 (sv) 2015-06-02
CN104114825A (zh) 2014-10-22
WO2013089625A1 (en) 2013-06-20
US20140331647A1 (en) 2014-11-13

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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]