DE69825813D1 - Verfahren und Vorrichtung zur Messung der Stickstoffoxidkonzentration - Google Patents
Verfahren und Vorrichtung zur Messung der StickstoffoxidkonzentrationInfo
- Publication number
- DE69825813D1 DE69825813D1 DE69825813T DE69825813T DE69825813D1 DE 69825813 D1 DE69825813 D1 DE 69825813D1 DE 69825813 T DE69825813 T DE 69825813T DE 69825813 T DE69825813 T DE 69825813T DE 69825813 D1 DE69825813 D1 DE 69825813D1
- Authority
- DE
- Germany
- Prior art keywords
- nitrogen oxide
- oxide concentration
- measuring nitrogen
- measuring
- concentration
- 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 - Lifetime
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title 3
Classifications
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- 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]
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- 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, e.g. for catalytic activity
-
- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
-
- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2474—Characteristics of sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/28—Interface circuits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
- G01N27/4175—Calibrating or checking the analyser
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
- G01N27/419—Measuring voltages or currents with a combination of oxygen pumping cells and oxygen concentration cells
-
- 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—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
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- 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
- F01N2550/02—Catalytic activity of catalytic converters
-
- 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
- F01N2550/03—Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
-
- 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
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
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- 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
-
- 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)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- Toxicology (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8736197 | 1997-03-21 | ||
JP08736197A JP3372186B2 (ja) | 1997-03-21 | 1997-03-21 | ガスセンサの補正方法及びガス濃度測定システム |
JP13035497 | 1997-05-02 | ||
JP13035497 | 1997-05-02 | ||
JP22422597 | 1997-08-06 | ||
JP22422597 | 1997-08-06 | ||
JP26497297 | 1997-09-11 | ||
JP26497297 | 1997-09-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69825813D1 true DE69825813D1 (de) | 2004-09-30 |
DE69825813T2 DE69825813T2 (de) | 2005-02-03 |
Family
ID=27467374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69825813T Expired - Lifetime DE69825813T2 (de) | 1997-03-21 | 1998-03-23 | Verfahren und Vorrichtung zur Messung einer NOx-Gaskonzentration |
Country Status (3)
Country | Link |
---|---|
US (3) | US6375828B2 (de) |
EP (4) | EP0878709B1 (de) |
DE (1) | DE69825813T2 (de) |
Families Citing this family (149)
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---|---|---|---|---|
US6344134B1 (en) * | 1998-01-16 | 2002-02-05 | Ngk Spark Plug Co., Ltd. | Method for measuring NOx concentration and NOx concentration sensor |
DE19819462A1 (de) * | 1998-04-30 | 1999-11-11 | Siemens Ag | Verfahren zur Bestimmung der NOx-Konzentration |
EP0981046A1 (de) * | 1998-08-10 | 2000-02-23 | Ngk Spark Plug Co., Ltd | Verfahren zur Messung der Konzentration einer Komponente eines Gases |
JP2000137018A (ja) * | 1998-11-02 | 2000-05-16 | Denso Corp | ガス濃度検出装置とそれに用いるガス濃度センサ |
JP4153113B2 (ja) * | 1998-12-04 | 2008-09-17 | 株式会社デンソー | ガス濃度検出装置 |
JP3607976B2 (ja) * | 1999-03-29 | 2005-01-05 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE19926139A1 (de) * | 1999-06-09 | 2000-12-14 | Volkswagen Ag | Kalibrierung eines NOx-Sensors |
DE19956822B4 (de) * | 1999-11-25 | 2004-01-29 | Siemens Ag | Verfahren zur Bestimmung der NOx-Konzentration |
DE10003228A1 (de) * | 2000-01-26 | 2001-09-06 | Volkswagen Ag | Verfahren und Vorrichtung zur Bestimmung einer NOx-Konzentration eines Abgasstromes einer Verbrennungskraftmaschine |
EP1120645A3 (de) | 2000-01-27 | 2004-07-07 | Ngk Spark Plug Co., Ltd. | Gassensor |
US6860100B1 (en) * | 2000-03-17 | 2005-03-01 | Ford Global Technologies, Llc | Degradation detection method for an engine having a NOx sensor |
DE10030939A1 (de) * | 2000-06-24 | 2002-01-17 | Bosch Gmbh Robert | Pt/Au-Elektroden zum Abpumpen von O¶2¶ und Verfahren zu ihrer Herstellung |
US6849239B2 (en) | 2000-10-16 | 2005-02-01 | E. I. Du Pont De Nemours And Company | Method and apparatus for analyzing mixtures of gases |
KR101127280B1 (ko) | 2000-10-16 | 2012-04-24 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 가스의 혼합물을 분석하는 방법 및 장치 |
JP4682465B2 (ja) * | 2000-10-31 | 2011-05-11 | 株式会社デンソー | ガス濃度検出装置 |
WO2002082067A2 (de) * | 2001-04-05 | 2002-10-17 | Robert Bosch Gmbh | Gassensor, insbesondere lambda-sonde |
DE60116278T2 (de) * | 2001-06-28 | 2006-08-03 | Isuzu Motors Ltd. | Vorrichtung zur Reinigung des Abgases mit einem Stickoxidfallekatalysator |
DE10133160C1 (de) * | 2001-07-07 | 2003-01-30 | Bosch Gmbh Robert | Sensorelement mit leitfähiger Abschirmung |
DE10145804B4 (de) * | 2001-09-17 | 2007-06-06 | Robert Bosch Gmbh | Stickoxidsensor mit unterdrückter Sauerstoffabhängigkeit des NO↓X↓-Signals |
DE10202859A1 (de) * | 2002-01-24 | 2003-08-21 | Volkswagen Ag | Verfahren zur Bestimmung der NOx-Konzentration |
DE10202869A1 (de) * | 2002-01-24 | 2003-08-21 | Volkswagen Ag | Verfahren zur Korrektur des NOx-Signals eines in der Abgasanlage einer Brennkraftmaschine anordenbaren NOx-Sensors |
JP4856851B2 (ja) * | 2002-04-05 | 2012-01-18 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | ガス放出プロセスを制御する方法および装置 |
CN100383516C (zh) * | 2002-04-15 | 2008-04-23 | 纳幕尔杜邦公司 | 改善化学/电活性材料的方法 |
US20040126286A1 (en) * | 2002-06-19 | 2004-07-01 | Deruyter John C. | Method and apparatus for reducing a nitrogen oxide |
US7575931B2 (en) * | 2002-06-19 | 2009-08-18 | E.I. Du Pont De Nemours And Company | Method and apparatus for reducing a nitrogen oxide, and control thereof |
WO2004003536A1 (ja) * | 2002-06-27 | 2004-01-08 | National Institute Of Advanced Industrial Science And Technology | 抵抗型酸素センサとそれを使った酸素センサ装置及び空燃比制御システム |
DE10339458A1 (de) * | 2002-08-28 | 2004-03-25 | Denso Corp., Kariya | Gasmessfühler und Verfahren zu dessen Herstellung |
DE10339976A1 (de) * | 2002-08-29 | 2004-04-22 | Denso Corp., Kariya | Gasmessfühler |
DE10254843A1 (de) * | 2002-11-25 | 2004-06-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Überwachung eines Abgasnachbehandlungssystems |
DE10339062A1 (de) * | 2003-04-16 | 2004-11-11 | Volkswagen Ag | Verfahren zur Bestimmung eines Offsetwertes eines Sensorsignals sowie Vorrichtung zur Durchführung des Verfahrens |
JP3835439B2 (ja) * | 2003-08-20 | 2006-10-18 | トヨタ自動車株式会社 | 濃度検出装置 |
US7763208B2 (en) * | 2003-11-12 | 2010-07-27 | E.I. Du Pont De Nemours And Company | System and method for sensing and analyzing gases |
US7030742B2 (en) * | 2003-12-03 | 2006-04-18 | Innova Electronics Corp. | Dual channel air/fuel ratio gauge |
JP2005273613A (ja) * | 2004-03-26 | 2005-10-06 | Hino Motors Ltd | 排気ガスのobd用センシング方法 |
US20080017510A1 (en) * | 2004-05-26 | 2008-01-24 | Nair Balakrishnan G | NOx Gas Sensor Method and Device |
US7803039B2 (en) * | 2004-06-18 | 2010-09-28 | Denso Corporation | Method of controlling air intake into air conditioned enclosure |
US7114325B2 (en) * | 2004-07-23 | 2006-10-03 | Ford Global Technologies, Llc | Control system with a sensor |
BRPI0514603A (pt) * | 2004-08-25 | 2008-06-17 | Environmental Syst Prod | método e sistema para calibrar um analisador de múltiplos gases baseado em absorção óptica |
US7460958B2 (en) * | 2004-10-07 | 2008-12-02 | E.I. Du Pont De Nemours And Company | Computer-implemented system and method for analyzing mixtures of gases |
US8236246B2 (en) * | 2004-10-07 | 2012-08-07 | E I Du Pont De Nemours And Company | Gas sensitive apparatus |
DE102004062737A1 (de) * | 2004-12-27 | 2006-07-13 | Rational Ag | Gargerät, enthaltend mindestens ein Gassensorarray, sowie ein Verfahren zum Garen mit diesem Gargerät, ein Verfahren zum Reinigen dieses Gargeräts und ein Probenentnahmesystem |
US7467614B2 (en) | 2004-12-29 | 2008-12-23 | Honeywell International Inc. | Pedal position and/or pedal change rate for use in control of an engine |
US20060151338A1 (en) * | 2005-01-12 | 2006-07-13 | Wang Da Y | Multi-function sensor system and method of operation |
WO2006081598A2 (de) * | 2005-02-03 | 2006-08-10 | Avl List Gmbh | Verfahren zur diagnose eines abgasnachbehandlungssystems |
US7611612B2 (en) * | 2005-07-14 | 2009-11-03 | Ceramatec, Inc. | Multilayer ceramic NOx gas sensor device |
JP4430591B2 (ja) * | 2005-07-25 | 2010-03-10 | 日本特殊陶業株式会社 | ガスセンサ素子及びガスセンサ |
US7389773B2 (en) * | 2005-08-18 | 2008-06-24 | Honeywell International Inc. | Emissions sensors for fuel control in engines |
DE102005051194A1 (de) * | 2005-10-26 | 2007-05-03 | Robert Bosch Gmbh | Sensor zur Messung der Konzentration einer Gaskomponente in einem Gasgemisch |
US7578925B2 (en) | 2005-12-07 | 2009-08-25 | Ford Global Technologies, Llc | System and method for updating a baseline output of a gas sensor |
US7581390B2 (en) * | 2006-04-26 | 2009-09-01 | Cummins Inc. | Method and system for improving sensor accuracy |
US7771576B2 (en) * | 2006-07-18 | 2010-08-10 | Ngk Spark Plug Co., Ltd. | Gas sensor and method for manufacturing gas sensor |
US7959863B2 (en) * | 2006-08-09 | 2011-06-14 | Ngk Spark Plug Co., Ltd. | Liquid state detecting sensor |
US7603226B2 (en) * | 2006-08-14 | 2009-10-13 | Henein Naeim A | Using ion current for in-cylinder NOx detection in diesel engines and their control |
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US20090026076A1 (en) * | 2007-02-16 | 2009-01-29 | Jiun-Chan Yang | Nox sensor with improved selectivity and sensitivity |
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US7805992B2 (en) * | 2007-03-27 | 2010-10-05 | Honeywell International Inc. | Gas sensor housing for use in high temperature gas environments |
US20090223836A1 (en) * | 2007-08-16 | 2009-09-10 | Leta Yar-Li Woo | Frequency Technique for Electrochemical Sensors |
DE102007042748B4 (de) | 2007-09-07 | 2009-06-25 | Testo Ag | Verfahren und Vorrichtung zur Motorabgasmessung |
US20090139210A1 (en) * | 2007-11-30 | 2009-06-04 | Rodrigo Lain Sanchez | Gas concentration sensor drift and failure detection system |
JP5074358B2 (ja) * | 2007-12-20 | 2012-11-14 | 日本特殊陶業株式会社 | ガスセンサ制御装置、及び窒素酸化物濃度検出方法 |
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- 1998-03-23 EP EP98105231A patent/EP0878709B1/de not_active Expired - Lifetime
- 1998-03-23 EP EP00109523A patent/EP1074834B1/de not_active Expired - Lifetime
- 1998-03-23 DE DE69825813T patent/DE69825813T2/de not_active Expired - Lifetime
- 1998-03-23 EP EP00109915A patent/EP1077375B1/de not_active Expired - Lifetime
- 1998-03-23 EP EP00109522A patent/EP1074833A1/de not_active Withdrawn
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2002
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EP1074834B1 (de) | 2012-05-23 |
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US20020130053A1 (en) | 2002-09-19 |
EP1074833A1 (de) | 2001-02-07 |
EP1077375B1 (de) | 2012-06-20 |
EP1077375A1 (de) | 2001-02-21 |
EP1074834A1 (de) | 2001-02-07 |
US20020017467A1 (en) | 2002-02-14 |
US6923902B2 (en) | 2005-08-02 |
US6743352B2 (en) | 2004-06-01 |
EP0878709B1 (de) | 2004-08-25 |
EP0878709A2 (de) | 1998-11-18 |
US20030042151A1 (en) | 2003-03-06 |
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