WO2009050948A1 - 還元剤供給装置の制御装置及び制御方法 - Google Patents

還元剤供給装置の制御装置及び制御方法 Download PDF

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Publication number
WO2009050948A1
WO2009050948A1 PCT/JP2008/065641 JP2008065641W WO2009050948A1 WO 2009050948 A1 WO2009050948 A1 WO 2009050948A1 JP 2008065641 W JP2008065641 W JP 2008065641W WO 2009050948 A1 WO2009050948 A1 WO 2009050948A1
Authority
WO
WIPO (PCT)
Prior art keywords
reducing agent
supply unit
injection valve
exhaust
cooling water
Prior art date
Application number
PCT/JP2008/065641
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Wataru Domon
Hiroyuki Igarashi
Eiji Nakao
Original Assignee
Bosch Corporation
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 Bosch Corporation filed Critical Bosch Corporation
Priority to US12/738,414 priority Critical patent/US20100242439A1/en
Priority to CN200880112164A priority patent/CN101828011A/zh
Publication of WO2009050948A1 publication Critical patent/WO2009050948A1/ja
Priority to US13/738,050 priority patent/US20130118155A1/en

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
    • 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
    • B01D53/92—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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
    • 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
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • 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
    • F01N2610/1473—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
    • F01N2900/1811—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
    • F01N2900/18—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/16—Outlet manifold
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/20—Cooling circuits not specific to a single part of engine or machine
    • 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)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
PCT/JP2008/065641 2007-10-19 2008-09-01 還元剤供給装置の制御装置及び制御方法 WO2009050948A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/738,414 US20100242439A1 (en) 2007-10-19 2008-09-01 Control unit and control method for reductant supply device
CN200880112164A CN101828011A (zh) 2007-10-19 2008-09-01 还原剂供给装置的控制装置及控制方法
US13/738,050 US20130118155A1 (en) 2007-10-19 2013-01-10 Control unit and control method for reductant supply device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-272370 2007-10-19
JP2007272370A JP2009097479A (ja) 2007-10-19 2007-10-19 還元剤供給装置の制御装置及び制御方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/738,050 Continuation-In-Part US20130118155A1 (en) 2007-10-19 2013-01-10 Control unit and control method for reductant supply device

Publications (1)

Publication Number Publication Date
WO2009050948A1 true WO2009050948A1 (ja) 2009-04-23

Family

ID=40567225

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065641 WO2009050948A1 (ja) 2007-10-19 2008-09-01 還元剤供給装置の制御装置及び制御方法

Country Status (4)

Country Link
US (1) US20100242439A1 (zh)
JP (1) JP2009097479A (zh)
CN (1) CN101828011A (zh)
WO (1) WO2009050948A1 (zh)

Cited By (11)

* Cited by examiner, † Cited by third party
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EP2192280A1 (en) * 2008-12-01 2010-06-02 International Engine Intellectual Property LLC Thermal management of urea dosing components in an engine exhaust after-treatment system
US20110047971A1 (en) * 2009-08-25 2011-03-03 Gm Global Technology Operations, Inc. Dosing control systems and methods
WO2011162691A1 (en) * 2010-06-21 2011-12-29 Scania Cv Ab Method and device pertaining to cooling of dosing units of hc dosing systems for exhaust cleaning
WO2011162688A1 (en) * 2010-06-21 2011-12-29 Scania Cv Ab Method and device pertaining to cooling of dosing units of scr systems
CN102892985A (zh) * 2010-05-17 2013-01-23 五十铃自动车株式会社 Scr系统
US20130091829A1 (en) * 2010-06-21 2013-04-18 Andreas Liljestrand Method and device pertaining to limiting the temperature of a dosing unit in a scr system
CN103097679A (zh) * 2010-07-21 2013-05-08 卡特彼勒公司 具有再循环加热和真空排放功能的剂量系统
WO2014185520A1 (ja) * 2014-05-16 2014-11-20 株式会社小松製作所 作業車両および作業車両の制御方法
JP2015152009A (ja) * 2014-02-14 2015-08-24 ドイツ アクチェンゲゼルシャフト ディーゼルエンジン排気ガスの浄化方法
WO2016076256A1 (ja) * 2014-11-13 2016-05-19 いすゞ自動車株式会社 尿素水噴射システム及び尿素水噴射装置の結晶化防止方法
WO2021106528A1 (ja) * 2019-11-25 2021-06-03 いすゞ自動車株式会社 車両の還元剤解凍装置

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DE102007017458A1 (de) * 2007-04-03 2008-10-09 Daimler Ag Verfahren zum Heizen eines Reduktionsmitteldosierventils bei einem SCR-System zur Abgasnachbehandlung eines Verbrennungsmotors
DE102008030756A1 (de) * 2008-06-27 2010-01-07 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Betrieb eines HWL-Dosiersystems
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JP6654469B2 (ja) * 2016-03-08 2020-02-26 株式会社Ｓｏｋｅｎ 内燃機関の制御装置
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