IT1315836B1 - PROCEDURE FOR THE CORRECTION OF THE INFLUENCE OF WATER ON THE SIGNAL OF A CONCENTRATION OF CONTENT REDUCING AGENTS - Google Patents

PROCEDURE FOR THE CORRECTION OF THE INFLUENCE OF WATER ON THE SIGNAL OF A CONCENTRATION OF CONTENT REDUCING AGENTS

Info

Publication number
IT1315836B1
IT1315836B1 IT2000RM000080A ITRM20000080A IT1315836B1 IT 1315836 B1 IT1315836 B1 IT 1315836B1 IT 2000RM000080 A IT2000RM000080 A IT 2000RM000080A IT RM20000080 A ITRM20000080 A IT RM20000080A IT 1315836 B1 IT1315836 B1 IT 1315836B1
Authority
IT
Italy
Prior art keywords
correction
influence
procedure
concentration
signal
Prior art date
Application number
IT2000RM000080A
Other languages
Italian (it)
Inventor
Tillmann Braun
Klaus-Juergen Marquardt
Ralf Moos
Ralf Mueller
Carsten Plog
Original Assignee
Daimler Chrysler 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 Daimler Chrysler Ag filed Critical Daimler Chrysler Ag
Publication of ITRM20000080A0 publication Critical patent/ITRM20000080A0/en
Publication of ITRM20000080A1 publication Critical patent/ITRM20000080A1/en
Application granted granted Critical
Publication of IT1315836B1 publication Critical patent/IT1315836B1/en

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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • 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
    • B01D53/9495—Controlling the catalytic process
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G01N33/0032—General 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G01N33/0037—Specially adapted to detect a particular component for NOx
    • 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
    • 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
    • Y02T10/40—Engine management systems
IT2000RM000080A 1999-02-23 2000-02-18 PROCEDURE FOR THE CORRECTION OF THE INFLUENCE OF WATER ON THE SIGNAL OF A CONCENTRATION OF CONTENT REDUCING AGENTS IT1315836B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19907669A DE19907669C1 (en) 1999-02-23 1999-02-23 Method for correcting the influence of water on the signal from a sensor for detecting the reducing agent concentration in the exhaust gas of an internal combustion engine

Publications (3)

Publication Number Publication Date
ITRM20000080A0 ITRM20000080A0 (en) 2000-02-18
ITRM20000080A1 ITRM20000080A1 (en) 2001-08-18
IT1315836B1 true IT1315836B1 (en) 2003-03-26

Family

ID=7898499

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000RM000080A IT1315836B1 (en) 1999-02-23 2000-02-18 PROCEDURE FOR THE CORRECTION OF THE INFLUENCE OF WATER ON THE SIGNAL OF A CONCENTRATION OF CONTENT REDUCING AGENTS

Country Status (4)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142236A1 (en) * 2001-08-29 2003-04-10 Conti Temic Microelectronic Method for determining the reducing agent concentration (NH3) in the exhaust gas stream of an internal combustion engine
US7294252B2 (en) 2005-10-07 2007-11-13 Delphi Technologies, Inc. NOx sensor and methods of using the same
DE102007037569B4 (en) 2007-08-09 2020-01-16 Daimler Ag Method for testing an exhaust aftertreatment system
FR2934011B1 (en) * 2008-07-15 2010-08-20 Renault Sas DIAGNOSIS OF A SCR CATALYST OF A MOTOR VEHICLE
FR2934010B1 (en) * 2008-07-15 2010-08-20 Renault Sas OPTIMIZED MANAGEMENT OF A SCR CATALYST OF A MOTOR VEHICLE
US7964072B2 (en) 2008-10-03 2011-06-21 Delphi Technologies, Inc. Sensor material and gas sensor element and gas sensor derived therefrom
DE102011011441B3 (en) 2011-02-16 2012-06-14 Mtu Friedrichshafen Gmbh Dynamic breakthrough detection method for SCR catalysts
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 (en) * 2019-07-30 2021-09-07 重庆大学 Method for measuring performance gradient of coke in blast furnace

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 (en) * 1989-02-02 1995-10-14 닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤 Method of removing nitrogen oxides in exhaust gases from a diesel engine
JP2943433B2 (en) * 1990-08-24 1999-08-30 株式会社デンソー Catalyst purification rate detector
DE4213051A1 (en) * 1992-04-21 1993-10-28 Siemens Ag Method and arrangement for measuring the concentration of a detection gas in a measuring gas containing an interfering gas
DE4217552C1 (en) * 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 (en) * 1993-09-24 1995-11-02 Karlsruhe Forschzent Sensitive material for an optochemical sensor for the detection of gaseous ammonia
DE4334071C1 (en) * 1993-10-06 1995-02-09 Siemens Ag Process for reducing the nitrogen oxide concentration in the exhaust gas of an internal combustion engine or a combustion plant

Also Published As

Publication number Publication date
ITRM20000080A0 (en) 2000-02-18
GB2347219B (en) 2001-04-18
ITRM20000080A1 (en) 2001-08-18
GB2347219A (en) 2000-08-30
DE19907669C1 (en) 2000-11-30
FR2790088A1 (en) 2000-08-25
GB0003734D0 (en) 2000-04-05
FR2790088B1 (en) 2001-08-10

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