BR112012032245A2 - método e dispositivo relacionados ao resfriamento de unidades de dosagem de sistema scr - Google Patents
método e dispositivo relacionados ao resfriamento de unidades de dosagem de sistema scrInfo
- Publication number
- BR112012032245A2 BR112012032245A2 BR112012032245A BR112012032245A BR112012032245A2 BR 112012032245 A2 BR112012032245 A2 BR 112012032245A2 BR 112012032245 A BR112012032245 A BR 112012032245A BR 112012032245 A BR112012032245 A BR 112012032245A BR 112012032245 A2 BR112012032245 A2 BR 112012032245A2
- Authority
- BR
- Brazil
- Prior art keywords
- scr
- scr system
- relates
- cooling
- device related
- Prior art date
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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
-
- 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
- F01N9/00—Electrical control of exhaust gas treating 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
- 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
- F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
-
- 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
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
-
- 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
- F01N2900/1812—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
-
- 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
Abstract
método e dispositivo relacionados ao resfriamento de unidades de dosagem de sistema scr. a invenção refere-se a um método para o resfriamento de uma unidade de dosagem (250) relacionado a sistemas scr para limpeza de exaustão, que compreende as etapas, após a cessação do fluxo de exaustão, de resfriar uma unidade de dosagem de agente de redução (250) por meio de agente de redução fornecido à mesma, e de executar de modo intermitente um dispositivo de alimentação (230) para suprir o dito agente de redução refrigerante, e executar o dito dispositivo de alimentação (230) em energia reduzida comparada com a operação usual. a invenção também se refere a um produto de programa de computador que contém código de programa (p) para um computador (200; 210) para implantação de um método de acordo com a invenção. a invenção também se refere a um sistema scr e um veículo motorizado (100; 110) que é equipado com o sistema scr.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1050639A SE536874C2 (sv) | 2010-06-21 | 2010-06-21 | SCR-system för avgasrening och förfarande för kylning av endoseringsenhet vid ett sådant SCR-system |
SE1050639-2 | 2010-06-21 | ||
PCT/SE2011/050789 WO2011162692A1 (en) | 2010-06-21 | 2011-06-20 | Method and device pertaining to cooling of dosing units of scr systems |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112012032245A2 true BR112012032245A2 (pt) | 2016-11-22 |
BR112012032245B1 BR112012032245B1 (pt) | 2021-09-28 |
Family
ID=45371667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012032245-1A BR112012032245B1 (pt) | 2010-06-21 | 2011-06-20 | Método relacionados ao resfriamento de unidades de dosagem de sistemas scr, sistema scr para limpeza de exaustão e veículo motorizado |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130104527A1 (pt) |
EP (1) | EP2582943B1 (pt) |
JP (1) | JP2013531169A (pt) |
CN (1) | CN103038473A (pt) |
BR (1) | BR112012032245B1 (pt) |
RU (1) | RU2546386C2 (pt) |
SE (1) | SE536874C2 (pt) |
WO (1) | WO2011162692A1 (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE536920C2 (sv) | 2010-06-21 | 2014-10-28 | Scania Cv Ab | SCR-system för avgasrening och förfarande för kylning av endoseringsenhet vid ett sådant SCR-system |
SE535632C2 (sv) | 2010-06-21 | 2012-10-23 | Scania Cv Ab | Förfarande vid förekomst av luft i vätsketillförsel vid ett SCR-system och motsvarande SCR-system |
US8635854B2 (en) | 2011-08-05 | 2014-01-28 | Tenneco Automotive Operating Company Inc. | Reductant injection control system |
DE102013201537B4 (de) * | 2013-01-30 | 2021-10-14 | Mtu Friedrichshafen Gmbh | Zuführsystem für ein Medium |
DE102013101412A1 (de) * | 2013-02-13 | 2014-08-14 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung zur Bereitstellung eines flüssigen Additivs |
US8997467B2 (en) | 2013-03-15 | 2015-04-07 | Caterpillar Inc. | System and method for post-shutdown temperature management and purge |
US20190162107A1 (en) * | 2017-11-28 | 2019-05-30 | Deere & Company | Cooling system for diesel exhaust fluid doser |
US20240035411A1 (en) * | 2022-07-29 | 2024-02-01 | Cnh Industrial America Llc | Coolant system for an engine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4337207B2 (ja) * | 2000-02-10 | 2009-09-30 | 株式会社デンソー | 液冷式内燃機関の冷却装置 |
WO2003084647A1 (en) * | 2002-04-03 | 2003-10-16 | Cleaire Advanced Emission Controls, Llc. | Fluid-cooled mount for an injector |
JP4066361B2 (ja) * | 2003-07-30 | 2008-03-26 | トヨタ自動車株式会社 | 燃料電池の冷却システム |
DE102004050022B4 (de) * | 2004-10-13 | 2012-01-05 | L'orange Gmbh | Einrichtung zur Kühlung einer Düse für die dosierte Einspritzung eines Reduktionsmittels in den Abgastrakt einer Brennkraftmaschine |
JP2008169711A (ja) * | 2007-01-09 | 2008-07-24 | Denso Corp | 還元剤供給装置 |
DE102007039794A1 (de) * | 2007-08-23 | 2009-03-12 | Eberspächer Unna GmbH & Co. KG | Dosiersystem und Verfahren zum Dosieren eines flüssigen Reduktionsmittels in ein Abgassystem einer Brennkraftmaschine |
DE102008000666B3 (de) * | 2008-03-13 | 2010-01-28 | Hiwin Mikrosystem Corp. | Linearantrieb |
-
2010
- 2010-06-21 SE SE1050639A patent/SE536874C2/sv unknown
-
2011
- 2011-06-20 EP EP11798462.5A patent/EP2582943B1/en active Active
- 2011-06-20 CN CN2011800378429A patent/CN103038473A/zh active Pending
- 2011-06-20 BR BR112012032245-1A patent/BR112012032245B1/pt active IP Right Grant
- 2011-06-20 RU RU2013102542/06A patent/RU2546386C2/ru not_active IP Right Cessation
- 2011-06-20 JP JP2013516534A patent/JP2013531169A/ja active Pending
- 2011-06-20 WO PCT/SE2011/050789 patent/WO2011162692A1/en active Application Filing
- 2011-06-20 US US13/704,665 patent/US20130104527A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2013531169A (ja) | 2013-08-01 |
SE1050639A1 (sv) | 2011-12-22 |
EP2582943A4 (en) | 2016-02-17 |
EP2582943A1 (en) | 2013-04-24 |
SE536874C2 (sv) | 2014-10-14 |
RU2546386C2 (ru) | 2015-04-10 |
WO2011162692A1 (en) | 2011-12-29 |
CN103038473A (zh) | 2013-04-10 |
EP2582943B1 (en) | 2017-11-08 |
US20130104527A1 (en) | 2013-05-02 |
RU2013102542A (ru) | 2014-07-27 |
BR112012032245B1 (pt) | 2021-09-28 |
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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] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/06/2011, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO. |