DE69616133D1 - NOx-Sensor und Verfahren zur NOx-Konzentrationsmessung - Google Patents

NOx-Sensor und Verfahren zur NOx-Konzentrationsmessung

Info

Publication number
DE69616133D1
DE69616133D1 DE69616133T DE69616133T DE69616133D1 DE 69616133 D1 DE69616133 D1 DE 69616133D1 DE 69616133 T DE69616133 T DE 69616133T DE 69616133 T DE69616133 T DE 69616133T DE 69616133 D1 DE69616133 D1 DE 69616133D1
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
Application number
DE69616133T
Other languages
English (en)
Other versions
DE69616133T2 (de
Inventor
Tomonori Takahashi
Naoyuki Ogawa
Toshihiro Yoshida
Yuji Katsuda
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of DE69616133D1 publication Critical patent/DE69616133D1/de
Application granted granted Critical
Publication of DE69616133T2 publication Critical patent/DE69616133T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69616133T 1995-04-10 1996-04-10 NOx-Sensor und Verfahren zur NOx-Konzentrationsmessung Expired - Lifetime DE69616133T2 (de)

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 true DE69616133D1 (de) 2001-11-29
DE69616133T2 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)

* Cited by examiner, † Cited by third party
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
KR20010033717A (ko) * 1997-12-31 2001-04-25 알프레드 엘. 미첼슨 질소 산화물 검출을 위한 금속 산화물 센서
DE10064667A1 (de) * 2000-12-22 2002-07-04 Siemens Ag Mehrstufiger, Gassensor, Betriebs- und Herstellungsverfahren
WO2003008928A2 (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
US7574796B2 (en) * 2002-10-28 2009-08-18 Geo2 Technologies, Inc. Nonwoven composites and related products and methods
US7572311B2 (en) * 2002-10-28 2009-08-11 Geo2 Technologies, Inc. Highly porous mullite particulate filter substrate
US6946013B2 (en) * 2002-10-28 2005-09-20 Geo2 Technologies, Inc. Ceramic exhaust filter
US7582270B2 (en) * 2002-10-28 2009-09-01 Geo2 Technologies, Inc. Multi-functional substantially fibrous mullite filtration substrates and devices
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
US7682578B2 (en) 2005-11-07 2010-03-23 Geo2 Technologies, Inc. Device for catalytically reducing exhaust
US7682577B2 (en) * 2005-11-07 2010-03-23 Geo2 Technologies, Inc. Catalytic exhaust device for simplified installation or replacement
US7722828B2 (en) * 2005-12-30 2010-05-25 Geo2 Technologies, Inc. Catalytic fibrous exhaust system and method for catalyzing an exhaust gas
WO2007146369A2 (en) * 2006-06-14 2007-12-21 Ceramatec, Inc. Ammonia gas sensor with dissimilar electrodes
KR20110063442A (ko) * 2008-09-03 2011-06-10 테스토 아게 측정값 감지 및 측정값 표시를 위한 방법
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)

* Cited by examiner, † Cited by third party
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
EP0308870B1 (de) * 1987-09-22 1992-05-06 Japan Electronic Control Systems Co., Ltd. Elektronische Steuerungsvorrichtung für das Kraftstoff-Luftverhältnis 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
US5314828A (en) * 1990-06-12 1994-05-24 Catalytica, Inc. NOx sensor and process for detecting NOx
ATE134446T1 (de) * 1990-06-12 1996-03-15 Catalytica Inc Stickoxyd-sensoraufbau
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

Also Published As

Publication number Publication date
EP0737859B1 (de) 2001-10-24
JPH08278272A (ja) 1996-10-22
US5705129A (en) 1998-01-06
DE69616133T2 (de) 2002-06-20
EP0737859A1 (de) 1996-10-16

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Legal Events

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