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FR2790088B1 - Procede de correction de l'influence de l'eau sur le signal d'un capteur pour detecter la concentration de reducteur dans le gaz d'echappement d'un moteur - Google Patents

Procede de correction de l'influence de l'eau sur le signal d'un capteur pour detecter la concentration de reducteur dans le gaz d'echappement d'un moteur

Info

Publication number
FR2790088B1
FR2790088B1 FR0002105A FR0002105A FR2790088B1 FR 2790088 B1 FR2790088 B1 FR 2790088B1 FR 0002105 A FR0002105 A FR 0002105A FR 0002105 A FR0002105 A FR 0002105A FR 2790088 B1 FR2790088 B1 FR 2790088B1
Authority
FR
France
Prior art keywords
reducer
correcting
engine
influence
detect
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.)
Expired - Fee Related
Application number
FR0002105A
Other languages
English (en)
Other versions
FR2790088A1 (fr
Inventor
Tillmann Braun
Klaus Jurgen Marquardt
Ralf Moos
Ralf Muller
Carsten Plog
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of FR2790088A1 publication Critical patent/FR2790088A1/fr
Application granted granted Critical
Publication of FR2790088B1 publication Critical patent/FR2790088B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00Electrical control of exhaust gas treating apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495Controlling the catalytic process
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G01N33/0032General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0037NOx
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/02Adding substances to exhaust gases the substance being ammonia or urea
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR0002105A 1999-02-23 2000-02-21 Procede de correction de l'influence de l'eau sur le signal d'un capteur pour detecter la concentration de reducteur dans le gaz d'echappement d'un moteur Expired - Fee Related FR2790088B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19907669A DE19907669C1 (de) 1999-02-23 1999-02-23 Verfahren zur Korrektur des Wassereinflusses auf das Signal eines Sensors zur Detektion der im Abgas eines Verbrennungsmotors befindlichen Reduktionsmittelkonzentration

Publications (2)

Publication Number Publication Date
FR2790088A1 FR2790088A1 (fr) 2000-08-25
FR2790088B1 true FR2790088B1 (fr) 2001-08-10

Family

ID=7898499

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0002105A Expired - Fee Related FR2790088B1 (fr) 1999-02-23 2000-02-21 Procede de correction de l'influence de l'eau sur le signal d'un capteur pour detecter la concentration de reducteur dans le gaz d'echappement d'un moteur

Country Status (4)

Country Link
DE (1) DE19907669C1 (fr)
FR (1) FR2790088B1 (fr)
GB (1) GB2347219B (fr)
IT (1) IT1315836B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142236A1 (de) * 2001-08-29 2003-04-10 Conti Temic Microelectronic Verfahren zum Bestimmen der Reduktionsmittelkonzentration (NH3) im Abgasstrom eines Verbrennungsmotors
US7294252B2 (en) 2005-10-07 2007-11-13 Delphi Technologies, Inc. NOx sensor and methods of using the same
DE102007037569B4 (de) 2007-08-09 2020-01-16 Daimler Ag Verfahren zum Prüfen eines Abgasnachbehandlungssystems
FR2934010B1 (fr) * 2008-07-15 2010-08-20 Renault Sas Gestion optimisee d'un catalyseur scr de vehicule automobile
FR2934011B1 (fr) * 2008-07-15 2010-08-20 Renault Sas Diagnostic d'un catalyseur scr de vehicule automobile
US7964072B2 (en) 2008-10-03 2011-06-21 Delphi Technologies, Inc. Sensor material and gas sensor element and gas sensor derived therefrom
DE102011011441B3 (de) 2011-02-16 2012-06-14 Mtu Friedrichshafen Gmbh Verfahren zur dynamischen Durchbrucherkennung für SCR-Katalysatoren
US10267761B2 (en) 2016-06-14 2019-04-23 Delphi Technologies Ip Limited Material for sensing electrode of NOX gas sensor
US10488380B2 (en) * 2016-10-24 2019-11-26 Ngk Insulators, Ltd. Apparatus for measuring ammonia concentration, system for measuring ammonia concentration, system for treating exhaust gas, and method for measuring ammonia concentration
CN110411852B (zh) * 2019-07-30 2021-09-07 重庆大学 一种高炉内焦炭性能递变的测定方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165948B (en) * 1984-10-23 1988-12-07 Health Lab Service Board Formaldehyde monitor
US4829183A (en) * 1987-09-11 1989-05-09 Andros Analyzers Incorporated Dual sample cell gas analyzer
KR950012137B1 (ko) * 1989-02-02 1995-10-14 닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤 디이젤엔진 배기가스 중의 질소산화물 제거방법
JP2943433B2 (ja) * 1990-08-24 1999-08-30 株式会社デンソー 触媒の浄化率検出装置
DE4213051A1 (de) * 1992-04-21 1993-10-28 Siemens Ag Verfahren und Anordnung zum Messen der Konzentration eines Nachweisgases in einem ein Störgas enthaltenden Meßgas
DE4217552C1 (fr) * 1992-05-27 1993-08-19 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
US5418366A (en) * 1994-05-05 1995-05-23 Santa Barbara Research Center IR-based nitric oxide sensor having water vapor compensation
DE4332512C2 (de) * 1993-09-24 1995-11-02 Karlsruhe Forschzent Sensitives Material für einen optochemischen Sensor zum Nachweis von gasförmigem Ammoniak
DE4334071C1 (de) * 1993-10-06 1995-02-09 Siemens Ag Verfahren zur Verminderung der Stickoxidkonzentration im Abgas einer Brennkraftmaschine oder einer Verbrennungsanlage

Also Published As

Publication number Publication date
DE19907669C1 (de) 2000-11-30
GB0003734D0 (en) 2000-04-05
ITRM20000080A0 (it) 2000-02-18
ITRM20000080A1 (it) 2001-08-18
FR2790088A1 (fr) 2000-08-25
IT1315836B1 (it) 2003-03-26
GB2347219A (en) 2000-08-30
GB2347219B (en) 2001-04-18

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