DE69616133T2 - NOx-Sensor und Verfahren zur NOx-Konzentrationsmessung - Google Patents
NOx-Sensor und Verfahren zur NOx-KonzentrationsmessungInfo
- Publication number
- DE69616133T2 DE69616133T2 DE69616133T DE69616133T DE69616133T2 DE 69616133 T2 DE69616133 T2 DE 69616133T2 DE 69616133 T DE69616133 T DE 69616133T DE 69616133 T DE69616133 T DE 69616133T DE 69616133 T2 DE69616133 T2 DE 69616133T2
- Authority
- DE
- Germany
- Prior art keywords
- nox
- measuring
- concentration
- sensor
- nox 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
Classifications
-
- 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
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7084019A JPH08278272A (ja) | 1995-04-10 | 1995-04-10 | NOxセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69616133D1 DE69616133D1 (de) | 2001-11-29 |
DE69616133T2 true DE69616133T2 (de) | 2002-06-20 |
Family
ID=13818863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69616133T Expired - Lifetime DE69616133T2 (de) | 1995-04-10 | 1996-04-10 | NOx-Sensor und Verfahren zur NOx-Konzentrationsmessung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5705129A (de) |
EP (1) | EP0737859B1 (de) |
JP (1) | JPH08278272A (de) |
DE (1) | DE69616133T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3510447B2 (ja) * | 1997-03-19 | 2004-03-29 | 日本碍子株式会社 | ガス濃度測定方法 |
JPH10274630A (ja) * | 1997-03-31 | 1998-10-13 | Ngk Insulators Ltd | 低濃度NOx計測器 |
US6044689A (en) * | 1997-04-24 | 2000-04-04 | Ngk Insulators, Ltd. | Apparatus for sensing low concentration NOx, chamber used for apparatus for sensing low concentration NOx; gas sensor element and method of manufacturing the same; and ammonia removing apparatus and NOx sensor utilizing this apparatus |
US6082176A (en) * | 1997-06-13 | 2000-07-04 | Ngk Spark Plug Co., Ltd. | NOx-concentration detecting apparatus |
CN1285914A (zh) * | 1997-12-31 | 2001-02-28 | 康宁股份有限公司 | 用于检测氮的氧化物的金属氧化物传感器 |
DE10064667A1 (de) * | 2000-12-22 | 2002-07-04 | Siemens Ag | Mehrstufiger, Gassensor, Betriebs- und Herstellungsverfahren |
CA2453820A1 (en) * | 2001-07-16 | 2003-01-30 | Sensor Tech, Inc. | Sensor device and method for qualitative and quantitative analysis of gas phase substances |
US6843900B2 (en) | 2002-01-03 | 2005-01-18 | The Ohio State University | Potentiometric NOx sensors based on yttria-stabilized zirconia with zeolite modified electrode |
US7128818B2 (en) * | 2002-01-09 | 2006-10-31 | General Electric Company | Method and apparatus for monitoring gases in a combustion system |
US6764591B1 (en) | 2002-02-01 | 2004-07-20 | The Ohio State University | Potentiometric sensors comprising yttria-stabilized zirconia and measurement method of total NOx sensing without CO interference |
US7153401B2 (en) | 2002-05-13 | 2006-12-26 | The Regents Of The University Of California | Current-biased potentiometric NOx sensor for vehicle emissions |
US7582270B2 (en) * | 2002-10-28 | 2009-09-01 | Geo2 Technologies, Inc. | Multi-functional substantially fibrous mullite filtration substrates and devices |
US6946013B2 (en) * | 2002-10-28 | 2005-09-20 | Geo2 Technologies, Inc. | Ceramic exhaust filter |
US7572311B2 (en) * | 2002-10-28 | 2009-08-11 | Geo2 Technologies, Inc. | Highly porous mullite particulate filter substrate |
US7574796B2 (en) * | 2002-10-28 | 2009-08-18 | Geo2 Technologies, Inc. | Nonwoven composites and related products and methods |
US7053425B2 (en) | 2003-11-12 | 2006-05-30 | General Electric Company | Gas sensor device |
US20080017510A1 (en) * | 2004-05-26 | 2008-01-24 | Nair Balakrishnan G | NOx Gas Sensor Method and Device |
US7442555B2 (en) * | 2004-12-28 | 2008-10-28 | Nair Balakrishnan G | Ammonia gas sensor method and device |
US20090065370A1 (en) * | 2004-12-28 | 2009-03-12 | Nair Balakrishnan G | Ammonia gas sensor method and device |
US20060231422A1 (en) * | 2005-04-14 | 2006-10-19 | Honeywell International Inc. | Switched gas sensor |
US7611612B2 (en) * | 2005-07-14 | 2009-11-03 | Ceramatec, Inc. | Multilayer ceramic NOx gas sensor device |
US7294252B2 (en) * | 2005-10-07 | 2007-11-13 | Delphi Technologies, Inc. | NOx sensor and methods of using the same |
US7682577B2 (en) * | 2005-11-07 | 2010-03-23 | Geo2 Technologies, Inc. | Catalytic exhaust device for simplified installation or replacement |
US7682578B2 (en) | 2005-11-07 | 2010-03-23 | Geo2 Technologies, Inc. | Device for catalytically reducing exhaust |
US7722828B2 (en) * | 2005-12-30 | 2010-05-25 | Geo2 Technologies, Inc. | Catalytic fibrous exhaust system and method for catalyzing an exhaust gas |
EP2035824A2 (de) * | 2006-06-14 | 2009-03-18 | Ceramatec, Inc. | Ammoniakgassensor mit ungleichen elektroden |
US8852950B2 (en) * | 2008-09-03 | 2014-10-07 | Testo Ag | Method and device for measuring NOx concentration using measurements of NOx and a second gas component |
DE102008049768A1 (de) * | 2008-09-30 | 2010-04-08 | Siemens Aktiengesellschaft | Nichtverbrauchendes Gas-Konversionsmodul |
US9389212B2 (en) * | 2011-02-28 | 2016-07-12 | Honeywell International Inc. | NOx gas sensor including nickel oxide |
US20180348155A1 (en) * | 2017-06-02 | 2018-12-06 | Ngk Spark Plug Co., Ltd. | Gas detection apparatus |
JP6976991B2 (ja) * | 2019-06-06 | 2021-12-08 | Nissha株式会社 | 2成分ガスの濃度比算出方法および検知対象ガスの濃度算出方法 |
JP7278547B2 (ja) * | 2020-03-05 | 2023-05-22 | 新東工業株式会社 | ガス測定器及びガス測定方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2202614A1 (de) * | 1972-01-20 | 1973-08-02 | Bosch Gmbh Robert | Abgasnachverbrennungseinrichtung |
DE2335403C3 (de) * | 1973-07-12 | 1982-01-07 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur Überwachung des Gehaltes an Stickoxiden in Abgasen, insbesondere in Kfz.-Abgasen, sowie Sensor zur Durchführung des Verfahrens |
US4233033A (en) * | 1979-09-19 | 1980-11-11 | Bendix Autolite Corporation | Method and apparatus for measuring the O2 content of a gas |
US4315753A (en) * | 1980-08-14 | 1982-02-16 | The United States Of America As Represented By The Secretary Of The Interior | Electrochemical apparatus for simultaneously monitoring two gases |
US4840913A (en) * | 1986-11-06 | 1989-06-20 | Ford Motor Company | Oxides of nitrogen detector |
US4957705A (en) * | 1986-11-10 | 1990-09-18 | Japan Electronic Control Systems Co., Ltd. | Oxygen gas concentration-detecting apparatus |
DE3870782D1 (de) * | 1987-09-22 | 1992-06-11 | Japan Electronic Control Syst | Elektronische steuerungsvorrichtung fuer das kraftstoff-luftverhaeltnis eines inneren verbrennungsmotors. |
JP2636883B2 (ja) * | 1988-04-30 | 1997-07-30 | 日本碍子株式会社 | NOx濃度測定装置 |
US4953387A (en) * | 1989-07-31 | 1990-09-04 | The Regents Of The University Of Michigan | Ultrathin-film gas detector |
WO1991019975A1 (en) * | 1990-06-12 | 1991-12-26 | Catalytica, Inc. | NOx SENSOR ASSEMBLY |
US5314828A (en) * | 1990-06-12 | 1994-05-24 | Catalytica, Inc. | NOx sensor and process for detecting NOx |
JPH06222028A (ja) * | 1993-01-27 | 1994-08-12 | Idemitsu Kosan Co Ltd | NOxセンサ |
JPH06235715A (ja) * | 1993-02-10 | 1994-08-23 | Toyota Motor Corp | 酸素濃度センサ |
-
1995
- 1995-04-10 JP JP7084019A patent/JPH08278272A/ja not_active Withdrawn
-
1996
- 1996-04-02 US US08/626,314 patent/US5705129A/en not_active Expired - Lifetime
- 1996-04-10 EP EP96302529A patent/EP0737859B1/de not_active Expired - Lifetime
- 1996-04-10 DE DE69616133T patent/DE69616133T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0737859A1 (de) | 1996-10-16 |
US5705129A (en) | 1998-01-06 |
DE69616133D1 (de) | 2001-11-29 |
JPH08278272A (ja) | 1996-10-22 |
EP0737859B1 (de) | 2001-10-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |