AU2003225026A1 - Method for restoring the sensitivity, speed or stability of a gas-sensitive material - Google Patents

Method for restoring the sensitivity, speed or stability of a gas-sensitive material Download PDF

Info

Publication number
AU2003225026A1
AU2003225026A1 AU2003225026A AU2003225026A AU2003225026A1 AU 2003225026 A1 AU2003225026 A1 AU 2003225026A1 AU 2003225026 A AU2003225026 A AU 2003225026A AU 2003225026 A AU2003225026 A AU 2003225026A AU 2003225026 A1 AU2003225026 A1 AU 2003225026A1
Authority
AU
Australia
Prior art keywords
chemo
electro
active material
temperature
component
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.)
Abandoned
Application number
AU2003225026A
Other languages
English (en)
Inventor
John James Barnes
Eugene M. Mccarron
Charles E. Miller
Pat Morris
John Carl Steichen
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of AU2003225026A1 publication Critical patent/AU2003225026A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • 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
    • 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
    • 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
    • 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
    • F02D41/1459—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 a hydrocarbon 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
    • F02D41/02—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
    • F02D41/1493—Details
    • F02D41/1494—Control of sensor heater
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AU2003225026A 2002-04-15 2003-04-15 Method for restoring the sensitivity, speed or stability of a gas-sensitive material Abandoned AU2003225026A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37287502P 2002-04-15 2002-04-15
US60/372,875 2002-04-15
PCT/US2003/011895 WO2003089915A2 (en) 2002-04-15 2003-04-15 Method for restoring the sensitivity, speed or stability of a gas-sensitive material

Publications (1)

Publication Number Publication Date
AU2003225026A1 true AU2003225026A1 (en) 2003-11-03

Family

ID=29250923

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003225026A Abandoned AU2003225026A1 (en) 2002-04-15 2003-04-15 Method for restoring the sensitivity, speed or stability of a gas-sensitive material

Country Status (8)

Country Link
US (1) US20040055899A1 (https=)
EP (1) EP1511997A2 (https=)
JP (2) JP2005522711A (https=)
KR (1) KR100987272B1 (https=)
CN (2) CN100383516C (https=)
AU (1) AU2003225026A1 (https=)
CA (1) CA2481117C (https=)
WO (1) WO2003089915A2 (https=)

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KR20060012575A (ko) * 2003-03-26 2006-02-08 이 아이 듀폰 디 네모아 앤드 캄파니 가스 혼합물의 분석 장치
JP2008275383A (ja) * 2007-04-26 2008-11-13 Hitachi Engineering & Services Co Ltd 混合成分系の濃度測定方法及び装置、及びその装置を用いた省エネルギー或いは排気浄化設備の運転制御システム。
US8739604B2 (en) * 2007-12-20 2014-06-03 Amphenol Thermometrics, Inc. Gas sensor and method of making
EP2105733A1 (de) * 2008-03-26 2009-09-30 Micronas GmbH Verfahren zum Messen der Konzentration eines Gases
JP2010164344A (ja) 2009-01-13 2010-07-29 Nitto Denko Corp 物質検知センサ
KR101734911B1 (ko) 2010-08-10 2017-05-15 삼성디스플레이 주식회사 유기 발광 디스플레이 장치 및 그 제조 방법
US11584540B2 (en) * 2019-04-05 2023-02-21 Hamilton Sundstrand Corporation Air quality sensors and methods of monitoring air quality
CA3192681A1 (en) * 2020-12-04 2022-06-09 Refractory Intellectual Property Gmbh & Co. Kg Method for the quantitative determination of al4c3 and apparatus for carrying out the method
US12235235B2 (en) 2021-04-23 2025-02-25 Enmet, Llc System and method for gas concentration measurement

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US4854155A (en) * 1988-10-19 1989-08-08 Mine Safety Appliances Company Combustible gas detector having catalytic sensor stabilizing network
JP2702272B2 (ja) 1990-10-09 1998-01-21 新コスモス電機株式会社 ガス検知装置
JPH04269648A (ja) * 1991-02-26 1992-09-25 Toyota Central Res & Dev Lab Inc ガスセンサ
DE59106772D1 (de) * 1991-08-14 1995-11-30 Siemens Ag Gassensor-Array zur Detektion einzelner Gaskomponenten in einem Gasgemisch.
CN1027607C (zh) * 1991-09-09 1995-02-08 云南大学 高灵敏度半导体气敏元件
US5426934A (en) * 1993-02-10 1995-06-27 Hitachi America, Ltd. Engine and emission monitoring and control system utilizing gas sensors
DE4341632C2 (de) * 1993-12-07 1998-07-16 Heraeus Electro Nite Int Verfahren und Einrichtung zur Prüfung und Regelung von Kraftfahrzeugen
JP3670674B2 (ja) * 1993-12-28 2005-07-13 エフアイエス株式会社 ガス検出方法及びガス検知装置
WO1997028441A1 (en) * 1996-01-30 1997-08-07 Capteur Sensors & Analysers Ltd. Detection of gases
EP0822326B1 (en) * 1996-07-31 2003-11-05 NGK Spark Plug Co. Ltd. Temperature control for a wide range oxygen sensor
JPH10123080A (ja) * 1996-10-22 1998-05-15 Toyota Central Res & Dev Lab Inc 窒素酸化物濃度の測定方法
FI104654B (fi) * 1996-12-13 2000-03-15 Vaisala Oyj Menetelmä polymeeripohjaisen kaasuanturin selektiivisyyden parantamiseksi
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US6890715B1 (en) * 1999-08-18 2005-05-10 The California Institute Of Technology Sensors of conducting and insulating composites
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US6849239B2 (en) * 2000-10-16 2005-02-01 E. I. Du Pont De Nemours And Company Method and apparatus for analyzing mixtures of gases
BR0114823A (pt) * 2000-10-16 2004-02-25 Du Pont Aparelho e método para análise de pelo menos um componente individual de gás, aparelho e método para cálculo da concentração de pelo menos dois componentes individuais de gás analisado
US20030037590A1 (en) * 2001-08-27 2003-02-27 Stark Kevin C. Method of self-testing a semiconductor chemical gas sensor including an embedded temperature sensor
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
JP2005094624A (ja) * 2003-09-19 2005-04-07 Canon Inc 記録装置
US7763208B2 (en) * 2003-11-12 2010-07-27 E.I. Du Pont De Nemours And Company System and method for sensing and analyzing gases

Also Published As

Publication number Publication date
JP2005522711A (ja) 2005-07-28
CN101241096A (zh) 2008-08-13
CA2481117C (en) 2012-07-31
CN1646897A (zh) 2005-07-27
WO2003089915A2 (en) 2003-10-30
CN100383516C (zh) 2008-04-23
EP1511997A2 (en) 2005-03-09
HK1081264A1 (zh) 2006-05-12
JP2011237447A (ja) 2011-11-24
WO2003089915A3 (en) 2004-06-10
CN101241096B (zh) 2012-08-08
CA2481117A1 (en) 2003-10-30
US20040055899A1 (en) 2004-03-25
KR20050000504A (ko) 2005-01-05
KR100987272B1 (ko) 2010-10-12

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Legal Events

Date Code Title Description
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period