ATE552411T1 - Vorrichtung zur unterscheidung eines flüssigkeitsreduktionsmittels - Google Patents

Vorrichtung zur unterscheidung eines flüssigkeitsreduktionsmittels

Info

Publication number
ATE552411T1
ATE552411T1 AT08703873T AT08703873T ATE552411T1 AT E552411 T1 ATE552411 T1 AT E552411T1 AT 08703873 T AT08703873 T AT 08703873T AT 08703873 T AT08703873 T AT 08703873T AT E552411 T1 ATE552411 T1 AT E552411T1
Authority
AT
Austria
Prior art keywords
liquid
reducing agent
distinguishing
liquid reducing
empty
Prior art date
Application number
AT08703873T
Other languages
English (en)
Inventor
Hideki Matsunaga
Yoshikuni Satou
Takashi Yamamoto
Takeo Sasanuma
Original Assignee
Nissan Diesel Motor Co
Ngk Spark Plug 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, Ngk Spark Plug Co filed Critical Nissan Diesel Motor Co
Application granted granted Critical
Publication of ATE552411T1 publication Critical patent/ATE552411T1/de

Links

Classifications

    • 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
    • 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
    • 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]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/802—Particular electronic circuits for digital processing equipment
    • G01F23/804—Particular electronic circuits for digital processing equipment containing circuits handling parameters other than liquid level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • 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
    • F01N2900/06—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
    • 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)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Power Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AT08703873T 2007-03-29 2008-01-25 Vorrichtung zur unterscheidung eines flüssigkeitsreduktionsmittels ATE552411T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007087850A JP4925890B2 (ja) 2007-03-29 2007-03-29 液体還元剤判別装置及びエンジンの排気浄化装置
PCT/JP2008/051046 WO2008120485A1 (ja) 2007-03-29 2008-01-25 液体還元剤判別装置及びエンジンの排気浄化装置

Publications (1)

Publication Number Publication Date
ATE552411T1 true ATE552411T1 (de) 2012-04-15

Family

ID=39808072

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08703873T ATE552411T1 (de) 2007-03-29 2008-01-25 Vorrichtung zur unterscheidung eines flüssigkeitsreduktionsmittels

Country Status (7)

Country Link
US (1) US8293180B2 (de)
EP (1) EP2136045B1 (de)
JP (1) JP4925890B2 (de)
CN (1) CN101702926B (de)
AT (1) ATE552411T1 (de)
ES (1) ES2382495T3 (de)
WO (1) WO2008120485A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5197345B2 (ja) 2008-12-22 2013-05-15 ボルボ パワートレイン アーベー 排気浄化装置及び水位測定装置
JP5585125B2 (ja) * 2010-02-26 2014-09-10 いすゞ自動車株式会社 尿素品質診断システム
JP5585203B2 (ja) * 2010-05-17 2014-09-10 いすゞ自動車株式会社 Ｓｃｒセンサ
US8978450B2 (en) 2010-07-22 2015-03-17 Watlow Electric Manufacturing Company Combination fluid sensor system
ITBO20130181A1 (it) * 2013-04-22 2014-10-23 Magneti Marelli Spa Sensore di livello per un serbatoio contenente un liquido di comando in un motore a combustione interna
US9869227B2 (en) 2015-05-26 2018-01-16 Intellectual Reserves, LLC System and method for repeatable fluid measurements
US9465000B1 (en) 2015-08-18 2016-10-11 Intellectual Reserves, LLC System and method for electronically determining fluid parameters
US9657628B1 (en) * 2016-01-29 2017-05-23 Caterpillar Inc. Reductant supply system for engine
CN105606642B (zh) * 2016-03-11 2018-10-16 东莞正扬电子机械有限公司 热传导式浓度检测机构及尿素箱液位传感器

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000027627A (ja) 1998-07-13 2000-01-25 Hino Motors Ltd 排気ガス浄化触媒用還元剤保温装置及びそれを組込んだ排気ガス浄化装置
DE10047594A1 (de) 2000-09-26 2002-04-18 Siemens Ag Verfahren und Vorrichtung zum Bestimmen des Füllstandes einer Flüssigkeit in einem Behälter
US6725651B2 (en) * 2000-11-16 2004-04-27 Toyota Jidosha Kabushiki Kaisha Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent
DE10102237A1 (de) 2001-01-19 2002-08-08 Bosch Gmbh Robert Vorrichtung zur Dosierung einer Harnstofflösung
JP3688672B2 (ja) * 2002-09-26 2005-08-31 株式会社東芝 半導体集積回路
JP3751962B2 (ja) * 2003-09-05 2006-03-08 日産ディーゼル工業株式会社 エンジンの排気浄化装置
JP3883198B2 (ja) * 2003-09-11 2007-02-21 三井金属鉱業株式会社 尿素溶液の尿素濃度識別装置
JP3883197B2 (ja) * 2003-09-11 2007-02-21 三井金属鉱業株式会社 尿素溶液の尿素濃度識別装置
JP3687915B2 (ja) 2003-10-27 2005-08-24 日産ディーゼル工業株式会社 液体判別装置
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
US7776265B2 (en) * 2004-03-18 2010-08-17 Cummins Filtration Ip, Inc. System for diagnosing reagent solution quality
JP3686670B1 (ja) * 2004-10-29 2005-08-24 日産ディーゼル工業株式会社 排気浄化装置
US20080314027A1 (en) * 2005-02-16 2008-12-25 Imi Vision Limited Exhaust Gas Treatment
JP4498983B2 (ja) * 2005-06-10 2010-07-07 Ｕｄトラックス株式会社 液体還元剤判別装置
JP4444165B2 (ja) * 2005-06-10 2010-03-31 日産ディーゼル工業株式会社 エンジンの排気浄化装置
US7712363B2 (en) * 2005-07-01 2010-05-11 Ngk Spark Plug Co., Ltd. Liquid state detecting sensor
JP4799079B2 (ja) * 2005-08-23 2011-10-19 Ｕｄトラックス株式会社 液体タンク装置
JP2007056741A (ja) * 2005-08-24 2007-03-08 Nissan Diesel Motor Co Ltd エンジンの排気浄化装置
US7665347B2 (en) * 2005-11-11 2010-02-23 Ngk Spark Plug Co., Ltd. Liquid state detecting apparatus
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

Also Published As

Publication number Publication date
EP2136045B1 (de) 2012-04-04
US8293180B2 (en) 2012-10-23
JP4925890B2 (ja) 2012-05-09
JP2008248708A (ja) 2008-10-16
CN101702926A (zh) 2010-05-05
WO2008120485A1 (ja) 2008-10-09
EP2136045A4 (de) 2011-02-09
EP2136045A1 (de) 2009-12-23
CN101702926B (zh) 2013-02-13
US20100003168A1 (en) 2010-01-07
ES2382495T3 (es) 2012-06-08

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