WO2009047954A1 - 還元剤供給システムの制御装置及び制御方法 - Google Patents

還元剤供給システムの制御装置及び制御方法 Download PDF

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Publication number
WO2009047954A1
WO2009047954A1 PCT/JP2008/065640 JP2008065640W WO2009047954A1 WO 2009047954 A1 WO2009047954 A1 WO 2009047954A1 JP 2008065640 W JP2008065640 W JP 2008065640W WO 2009047954 A1 WO2009047954 A1 WO 2009047954A1
Authority
WO
WIPO (PCT)
Prior art keywords
reducing agent
heating means
supply system
agent supply
controlling
Prior art date
Application number
PCT/JP2008/065640
Other languages
English (en)
French (fr)
Inventor
Shigehiro Ohno
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 CN2008801111305A priority Critical patent/CN101821485B/zh
Priority to US12/682,389 priority patent/US20100229532A1/en
Publication of WO2009047954A1 publication Critical patent/WO2009047954A1/ja

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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F02D17/04—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • 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
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • 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
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0408—Methods of control or diagnosing using a feed-back loop
    • 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
    • F01N2900/18—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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

　アイドリングストップモードに入った場合に加熱手段を速やかに停止して、エネルギー消費の軽減を図ることができる還元剤供給システムの制御装置及び制御方法を提供する。 　還元剤供給システムの制御を行う制御装置において、内燃機関を自動停止させるアイドリングストップ制御によって内燃機関が停止している状態か否かを判定するアイドリングストップ判定部と、還元剤噴射弁に液体還元剤を供給する還元剤供給系に備えられた加熱手段が作動中か否かを判定する加熱手段作動判定部と、内燃機関が自動停止状態にあり、かつ、加熱手段が作動中である場合に、加熱手段の作動を停止させる加熱手段制御部と、を備える。
PCT/JP2008/065640 2007-10-12 2008-09-01 還元剤供給システムの制御装置及び制御方法 WO2009047954A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008801111305A CN101821485B (zh) 2007-10-12 2008-09-01 还原剂供给系统的控制装置及控制方法
US12/682,389 US20100229532A1 (en) 2007-10-12 2008-09-01 Control unit and control method for reductant supply system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-266951 2007-10-12
JP2007266951A JP5139765B2 (ja) 2007-10-12 2007-10-12 還元剤供給システムの制御装置及び制御方法

Publications (1)

Publication Number Publication Date
WO2009047954A1 true WO2009047954A1 (ja) 2009-04-16

Family

ID=40549101

Family Applications (1)

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PCT/JP2008/065640 WO2009047954A1 (ja) 2007-10-12 2008-09-01 還元剤供給システムの制御装置及び制御方法

Country Status (4)

Country Link
US (1) US20100229532A1 (ja)
JP (1) JP5139765B2 (ja)
CN (1) CN101821485B (ja)
WO (1) WO2009047954A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
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US20110062357A1 (en) * 2009-09-14 2011-03-17 Robert Bosch Gmbh Method for heating a metering valve in an scr system for the exhaust gas aftertreatment of an internal combusion engine
CN102022168A (zh) * 2009-09-14 2011-04-20 罗伯特.博世有限公司 监控scr催化器系统的功能的方法
CN102052513A (zh) * 2009-10-30 2011-05-11 博世株式会社 还原剂喷射阀的异常检测装置和异常检测方法、以及内燃机的排气净化装置

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FR2921104B1 (fr) * 2007-09-14 2009-11-13 Inergy Automotive Systems Res Methode pour le chauffage d'un systeme scr a l'aide d'elements chauffants resistifs
DE102008002612A1 (de) * 2008-06-24 2009-12-31 Robert Bosch Gmbh Abgasnachbehandlungseinrichtung für eine Brennkraftmaschine
JP5326461B2 (ja) * 2008-09-22 2013-10-30 マツダ株式会社 エンジンの排気浄化装置
CN102395763A (zh) * 2009-04-13 2012-03-28 博世株式会社 车辆用的排气净化装置
JP5388286B2 (ja) * 2009-06-19 2014-01-15 ボッシュ株式会社 排気浄化装置及びその制御方法
SE536318C2 (sv) 2010-06-21 2013-08-20 Scania Cv Ab Förfarande och anordning för att avlägsna reduktionsmedel ur en doseringsenhet vid ett SCR-system
SE536316C2 (sv) * 2010-06-21 2013-08-20 Scania Cv Ab Förfarande och anordning för att avlägsna bränsle ur en doseringsenhet vid ett HC-doseringssystem
US8495867B2 (en) * 2010-10-29 2013-07-30 GM Global Technology Operations LLC Heating module for an exhaust gas treatment system
WO2012063530A1 (ja) 2010-11-08 2012-05-18 ボッシュ株式会社 還元剤噴射弁の異常判定装置及び還元剤供給装置
DE102010054912A1 (de) 2010-12-17 2012-06-21 Daimler Ag Dosieranordnung und Verfahren zum Betreiben einer Dosieranordnung
US8857152B2 (en) * 2010-12-21 2014-10-14 GM Global Technology Operations LLC System and method for unloading hydrocarbon emissions from an exhaust after-treatment device
DE102011016967A1 (de) 2011-04-13 2012-10-18 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Betrieb einer SCR-Dosiereinheit
DE102011087288A1 (de) * 2011-11-29 2013-05-29 Robert Bosch Gmbh Abgasnachbehandlungssystem und Verfahren zum Einbringen eines Reduktionsmittels in einen Abgaskanal einer Brennkraftmaschine
WO2013090543A1 (en) * 2011-12-15 2013-06-20 Ego-Gear, Llc A device to increase fuel economy
WO2013105221A1 (ja) 2012-01-11 2013-07-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
SE1250265A1 (sv) 2012-03-20 2013-09-21 Scania Cv Ab Förfarande vid ett SCR-system och ett SCR-system
JP5929474B2 (ja) * 2012-04-27 2016-06-08 トヨタ自動車株式会社 内燃機関の制御装置
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JP2014185549A (ja) * 2013-03-22 2014-10-02 Suzuki Motor Corp 車両用エンジン制御装置
JP5959082B2 (ja) * 2013-03-27 2016-08-02 ボッシュ株式会社 排気浄化システム及び排気浄化システムの制御方法
JP2014202094A (ja) 2013-04-02 2014-10-27 株式会社デンソー 尿素水添加装置の制御装置
US9765665B2 (en) * 2013-06-13 2017-09-19 Continental Automotive Gmbh Method for operating a device for providing a liquid additive
JP6100666B2 (ja) * 2013-10-07 2017-03-22 トヨタ自動車株式会社 エンジンの添加剤供給装置
CN103711597B (zh) * 2013-12-13 2017-01-18 中联重科股份有限公司 一种对发动机怠速状态进行控制的方法及设备
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JP6493953B2 (ja) * 2014-09-05 2019-04-03 ボッシュ株式会社 還元剤噴射装置の制御装置及び制御方法並びに還元剤噴射装置
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110062357A1 (en) * 2009-09-14 2011-03-17 Robert Bosch Gmbh Method for heating a metering valve in an scr system for the exhaust gas aftertreatment of an internal combusion engine
CN102022168A (zh) * 2009-09-14 2011-04-20 罗伯特.博世有限公司 监控scr催化器系统的功能的方法
US8763372B2 (en) * 2009-09-14 2014-07-01 Robert Bosch Gmbh Method for heating a metering valve in an SCR system for the exhaust gas aftertreatment of an internal combustion engine
CN102052513A (zh) * 2009-10-30 2011-05-11 博世株式会社 还原剂喷射阀的异常检测装置和异常检测方法、以及内燃机的排气净化装置

Also Published As

Publication number Publication date
CN101821485B (zh) 2012-10-17
JP5139765B2 (ja) 2013-02-06
JP2009097348A (ja) 2009-05-07
CN101821485A (zh) 2010-09-01
US20100229532A1 (en) 2010-09-16

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