ATE528490T1 - Vorrichtung zur flüssigkeitsredukti- onsmittelbeurteilung - Google Patents

Vorrichtung zur flüssigkeitsredukti- onsmittelbeurteilung

Info

Publication number
ATE528490T1
ATE528490T1 AT05785706T AT05785706T ATE528490T1 AT E528490 T1 ATE528490 T1 AT E528490T1 AT 05785706 T AT05785706 T AT 05785706T AT 05785706 T AT05785706 T AT 05785706T AT E528490 T1 ATE528490 T1 AT E528490T1
Authority
AT
Austria
Prior art keywords
reducing agent
liquid reducing
determination
determined
solution
Prior art date
Application number
AT05785706T
Other languages
English (en)
Inventor
Mitsuhiro Nishina
Toshikazu Katou
Eitarou Asakawa
Original Assignee
Nissan Diesel Motor Co
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 Nissan Diesel Motor Co filed Critical Nissan Diesel Motor Co
Application granted granted Critical
Publication of ATE528490T1 publication Critical patent/ATE528490T1/de

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
    • 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
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
    • 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
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • 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
    • F01N2900/1814—Tank level
    • 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
    • F01N2900/1818—Concentration of the reducing agent
    • 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)
  • Biochemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
AT05785706T 2004-10-29 2005-09-20 Vorrichtung zur flüssigkeitsredukti- onsmittelbeurteilung ATE528490T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004315615A JP3686669B1 (ja) 2004-10-29 2004-10-29 液体還元剤判別装置
PCT/JP2005/017284 WO2006046367A1 (ja) 2004-10-29 2005-09-20 液体還元剤判別装置

Publications (1)

Publication Number Publication Date
ATE528490T1 true ATE528490T1 (de) 2011-10-15

Family

ID=35004097

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05785706T ATE528490T1 (de) 2004-10-29 2005-09-20 Vorrichtung zur flüssigkeitsredukti- onsmittelbeurteilung

Country Status (7)

Country Link
US (1) US7587288B2 (de)
EP (1) EP1811146B1 (de)
JP (1) JP3686669B1 (de)
CN (1) CN100504046C (de)
AT (1) ATE528490T1 (de)
ES (1) ES2370920T3 (de)
WO (1) WO2006046367A1 (de)

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JP3687917B2 (ja) * 2003-10-31 2005-08-24 日産ディーゼル工業株式会社 液体還元剤の濃度及び残量検出装置
JP4799289B2 (ja) * 2006-06-26 2011-10-26 Ｕｄトラックス株式会社 エンジンの排気浄化装置
JP4799358B2 (ja) 2006-10-12 2011-10-26 Ｕｄトラックス株式会社 エンジンの排気浄化装置
US7946109B2 (en) * 2006-12-14 2011-05-24 GM Global Technology Operations LLC Emissions conformance for an exhaust after-treatment system having a dosing agent supply
JP4832326B2 (ja) * 2007-02-06 2011-12-07 Ｕｄトラックス株式会社 エンジンの排気浄化装置
JP4895889B2 (ja) * 2007-03-29 2012-03-14 Ｕｄトラックス株式会社 凍結判定装置
JP4895888B2 (ja) * 2007-03-29 2012-03-14 Ｕｄトラックス株式会社 還元剤添加システムの解凍判定装置及びエンジンの排気浄化装置
JP4895887B2 (ja) * 2007-03-29 2012-03-14 Ｕｄトラックス株式会社 エンジンの排気浄化装置
JP4710868B2 (ja) * 2007-04-25 2011-06-29 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE102007024782B4 (de) * 2007-05-26 2011-08-25 Eichenauer Heizelemente GmbH & Co. KG, 76870 Heizeinsatz und dessen Verwendung in einem Harnstoffversorgungssystem
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JP6167781B2 (ja) * 2013-09-12 2017-07-26 いすゞ自動車株式会社 尿素水濃度誤診断防止システム
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CN112327705B (zh) * 2020-11-12 2021-12-31 浙江工业大学 一种基于铜丝溶断的智能小车停车控制系统、方法
CN113758534B (zh) * 2021-07-29 2024-04-19 江铃汽车股份有限公司 一种燃料存量显示方法、系统、可读存储介质及车辆
CN114495447B (zh) * 2022-01-17 2024-03-19 潍柴动力股份有限公司 一种发动机尿素溶液浓度异常的报警方法及装置
CN114382573A (zh) * 2022-03-24 2022-04-22 潍柴动力股份有限公司 一种尿素喷射量确定方法及装置

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JP3687916B2 (ja) * 2003-10-28 2005-08-24 日産ディーゼル工業株式会社 エンジンの排気浄化装置
JP3687917B2 (ja) * 2003-10-31 2005-08-24 日産ディーゼル工業株式会社 液体還元剤の濃度及び残量検出装置
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Also Published As

Publication number Publication date
JP2006125322A (ja) 2006-05-18
CN100504046C (zh) 2009-06-24
EP1811146B1 (de) 2011-10-12
JP3686669B1 (ja) 2005-08-24
US7587288B2 (en) 2009-09-08
EP1811146A4 (de) 2010-11-17
CN101052789A (zh) 2007-10-10
WO2006046367A1 (ja) 2006-05-04
ES2370920T3 (es) 2011-12-23
US20070204678A1 (en) 2007-09-06
EP1811146A1 (de) 2007-07-25

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