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CN102022168B - 监控scr催化器系统的功能的方法 - Google Patents

监控scr催化器系统的功能的方法 Download PDF

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Publication number
CN102022168B
CN102022168B CN201010283974.7A CN201010283974A CN102022168B CN 102022168 B CN102022168 B CN 102022168B CN 201010283974 A CN201010283974 A CN 201010283974A CN 102022168 B CN102022168 B CN 102022168B
Authority
CN
China
Prior art keywords
scr catalyst
catalyst system
valve
metering valve
resorption
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201010283974.7A
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English (en)
Chinese (zh)
Other versions
CN102022168A (zh
Inventor
D·西兰
H·克莱因内克特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN102022168A publication Critical patent/CN102022168A/zh
Application granted granted Critical
Publication of CN102022168B publication Critical patent/CN102022168B/zh
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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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring or estimating temperature or pressure in, or downstream of 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/05—Systems for adding substances into exhaust
    • 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
    • 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
    • F01N2610/1466—Means for venting air out of conduits or tanks
    • 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
    • F01N2900/1808—Pressure
    • 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
    • F01N2900/1822—Pump parameters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
CN201010283974.7A 2009-09-14 2010-09-13 监控scr催化器系统的功能的方法 Active CN102022168B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009029408.2 2009-09-14
DE102009029408.2A DE102009029408B4 (de) 2009-09-14 2009-09-14 Verfahren zur Überwachung der Funktion eines SCR-Katalysatorsystems

Publications (2)

Publication Number Publication Date
CN102022168A CN102022168A (zh) 2011-04-20
CN102022168B true CN102022168B (zh) 2015-01-28

Family

ID=43571026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010283974.7A Active CN102022168B (zh) 2009-09-14 2010-09-13 监控scr催化器系统的功能的方法

Country Status (3)

Country Link
CN (1) CN102022168B (de)
DE (1) DE102009029408B4 (de)
FR (1) FR2950106B1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011081628A1 (de) 2011-08-26 2013-02-28 Robert Bosch Gmbh Dosiersystem für ein flüssiges Reduktionsmittel
DE102011088217A1 (de) 2011-12-12 2013-06-13 Robert Bosch Gmbh Dosieranordnung für ein flüssiges Abgasnachbehandlungsmittel und Dosierverfahren
DE102011088221A1 (de) 2011-12-12 2013-06-13 Robert Bosch Gmbh Dosieranordnung für ein flüssiges Abgasnachbehandlungsmittel und Dosierverfahren
JP5914151B2 (ja) * 2012-05-09 2016-05-11 ボッシュ株式会社 還元剤噴射弁の異常検出装置及び還元剤供給装置
WO2014134273A1 (en) * 2013-02-27 2014-09-04 Cummins Ip, Inc. Apparatus, method and system for diagnosing reductant delivery performance
DE102013204686A1 (de) 2013-03-18 2014-09-18 Robert Bosch Gmbh Verfahren und Vorrichtung zur Bestimmung von Dosiermengenabweichungen eines SCR-Katalysators
CN103277176B (zh) * 2013-06-18 2015-04-01 苏州派格丽减排系统有限公司 Scr计量喷射系统
JP6477250B2 (ja) * 2014-06-12 2019-03-06 トヨタ自動車株式会社 尿素水供給システム
DE102016209832B4 (de) * 2016-06-03 2022-09-29 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Steuereinheit zum Überprüfen eines Dosiersystems für einen bei niedrigen Umgebungstemperaturen erstarrenden Zusatzstoff insbesondere zum Abgas eines Verbrennungsmotors
WO2017211425A1 (en) 2016-06-09 2017-12-14 Plastic Omnium Advanced Innovation And Research Method for detecting a leak in a feed line of a scr system
DE102016210262A1 (de) * 2016-06-10 2017-12-14 Robert Bosch Gmbh Verfahren zum Entleeren eines Reduktionsmittelfördersystems eines SCR-Katalysators
DE102016216235B4 (de) * 2016-08-29 2025-07-31 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zur wassereinspritzung in einem fahrzeug sowie verfahren zum betrieb einer solchen vorrichtung
DE102017204089A1 (de) * 2017-03-13 2018-09-13 Robert Bosch Gmbh SCR-Katalysatorsystem und Verfahren zu seiner Diagnose
CN107476860B (zh) * 2017-09-15 2023-08-29 华中科技大学无锡研究院 一种尿素溶液供给系统
DE102017217891A1 (de) * 2017-10-09 2019-04-11 Robert Bosch Gmbh Fördermodul zur Förderung eines Fluids
DE102017223365A1 (de) * 2017-12-20 2019-06-27 Robert Bosch Gmbh Verfahren zum Betrieb eines Hydrauliksystems
DE102018200572A1 (de) * 2018-01-15 2019-07-18 Robert Bosch Gmbh Verfahren zur Überprüfung eines SCR-Systems mit zumindest zwei Dosierventilen
JP7052422B2 (ja) 2018-03-01 2022-04-12 株式会社デンソー 異常検出装置
CN110388248B (zh) * 2018-04-20 2022-10-11 罗伯特·博世有限公司 用于诊断scr系统的方法
DE102019215603A1 (de) * 2019-10-11 2021-04-15 Robert Bosch Gmbh Verfahren zum Betreiben eines Förder- und Dosiersystems für die Reduktionsmittellösung mindestens eines SCR-Katalysators
DE102020201919A1 (de) 2020-02-17 2021-08-19 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines hydraulischen Dosiersystems zur Dosierung eines flüssigen Mediums
DE102021204410B4 (de) 2021-05-03 2023-05-04 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zur Diagnose eines SCR-Systems
JP2024100612A (ja) 2023-01-16 2024-07-26 株式会社デンソー 排気浄化制御装置
DE102023106197B3 (de) 2023-03-13 2024-05-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zur Leckagediagnose eines Wassereinspritzsystems, Vorrichtung zur Durchführung des Verfahrens und Verbrennungsmotor aufweisend wenigstens eine solche Vorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101103184A (zh) * 2004-12-15 2008-01-09 因勒纪汽车系统研究公司 用于存储添加剂并将其注入到发动机尾气的系统
CN101479450A (zh) * 2006-06-26 2009-07-08 日产柴油机车工业株式会社 发动机的排气净化装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10127834A1 (de) * 2001-06-08 2002-12-12 Bosch Gmbh Robert Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen
DE102006013293B4 (de) 2006-03-23 2016-08-18 Robert Bosch Gmbh Verfahren zur Diagnose einer Abgasnachbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
JP4730278B2 (ja) 2006-10-20 2011-07-20 株式会社デンソー エンジンの排気浄化装置
JP5139765B2 (ja) * 2007-10-12 2013-02-06 ボッシュ株式会社 還元剤供給システムの制御装置及び制御方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101103184A (zh) * 2004-12-15 2008-01-09 因勒纪汽车系统研究公司 用于存储添加剂并将其注入到发动机尾气的系统
CN101479450A (zh) * 2006-06-26 2009-07-08 日产柴油机车工业株式会社 发动机的排气净化装置

Also Published As

Publication number Publication date
CN102022168A (zh) 2011-04-20
DE102009029408B4 (de) 2023-10-19
DE102009029408A1 (de) 2011-03-17
FR2950106B1 (fr) 2016-06-10
FR2950106A1 (fr) 2011-03-18

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