AU2003257821A1 - Gas sensor and gas detecting method - Google Patents

Gas sensor and gas detecting method

Info

Publication number
AU2003257821A1
AU2003257821A1 AU2003257821A AU2003257821A AU2003257821A1 AU 2003257821 A1 AU2003257821 A1 AU 2003257821A1 AU 2003257821 A AU2003257821 A AU 2003257821A AU 2003257821 A AU2003257821 A AU 2003257821A AU 2003257821 A1 AU2003257821 A1 AU 2003257821A1
Authority
AU
Australia
Prior art keywords
gas
detecting method
sensor
gas sensor
gas detecting
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
AU2003257821A
Inventor
Kazutoshi Higashiyama
Hidehiro Iizuka
Masayuki Kamikawa
Masato Kaneeda
Noriko Yoshida
Yasuo Yoshii
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of AU2003257821A1 publication Critical patent/AU2003257821A1/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
    • 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
    • G01N33/0011—Sample conditioning
    • G01N33/0014—Sample conditioning by eliminating a gas
    • 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
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AU2003257821A 2003-08-11 2003-08-11 Gas sensor and gas detecting method Abandoned AU2003257821A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/010210 WO2005015191A1 (en) 2003-08-11 2003-08-11 Gas sensor and gas detecting method

Publications (1)

Publication Number Publication Date
AU2003257821A1 true AU2003257821A1 (en) 2005-02-25

Family

ID=34131282

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003257821A Abandoned AU2003257821A1 (en) 2003-08-11 2003-08-11 Gas sensor and gas detecting method

Country Status (3)

Country Link
JP (1) JP4375336B2 (en)
AU (1) AU2003257821A1 (en)
WO (1) WO2005015191A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5247305B2 (en) * 2008-08-26 2013-07-24 矢崎総業株式会社 Gas detector
US9358525B2 (en) * 2008-12-04 2016-06-07 Johnson Matthey Public Limited Company NOx storage materials for sensor applications
JP2011054515A (en) * 2009-09-04 2011-03-17 Toshiba Corp Pure hydrogen fuel cell system
WO2017082431A1 (en) * 2015-11-13 2017-05-18 新コスモス電機株式会社 Catalytic-conversion-type sensor
US10928339B2 (en) 2015-11-13 2021-02-23 New Cosmos Electric Co., Ltd. Catalytic-conversion-type sensor
JP6851185B2 (en) * 2015-11-13 2021-03-31 新コスモス電機株式会社 Catalytic conversion sensor and gas detector
JP6976991B2 (en) * 2019-06-06 2021-12-08 Ｎｉｓｓｈａ株式会社 Concentration ratio calculation method for two-component gas and concentration calculation method for detection target gas

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587940B2 (en) * 1975-06-03 1983-02-14 フイガロギケン カブシキガイシヤ Tokutei Ino Kangensei Gaso Sentakutekini Kenshiyutsu Sultameno Fukugogata Gas Kenchisoshi
JPS5596442A (en) * 1979-01-17 1980-07-22 Kaaku:Kk Contact-combustion-type carbon monoxide detector
US5314828A (en) * 1990-06-12 1994-05-24 Catalytica, Inc. NOx sensor and process for detecting NOx
ATE134446T1 (en) * 1990-06-12 1996-03-15 Catalytica Inc NITROGEN OXIDE SENSOR CONSTRUCTION
JPH0665856U (en) * 1991-12-13 1994-09-16 エヌオーケー株式会社 Gas detector
JP2832905B2 (en) * 1992-01-10 1998-12-09 東京瓦斯株式会社 City gas combustion rate measurement device
FR2718240B1 (en) * 1994-03-31 1996-06-21 Inst Nat Environnement Ind Process for characterizing a gas mixture by catalytic oxidation.
JP3144248B2 (en) * 1994-12-09 2001-03-12 富士電機株式会社 Contact combustion type flammable gas sensor
JP3023832B2 (en) * 1995-06-30 2000-03-21 株式会社森製作所 Low concentration alcohol sensor and its applied equipment
US5831145A (en) * 1997-04-30 1998-11-03 Ford Global Technologies, Inc. Method of introducing selectivity to nonselective gas sensors
JPH1123403A (en) * 1997-07-08 1999-01-29 Tokyo Gas Chem Kk Method and apparatus for sensing and examining fuel gas leaked from embedded gas piping
JP2001091487A (en) * 1999-09-20 2001-04-06 Yazaki Corp Gas detector

Also Published As

Publication number Publication date
WO2005015191A1 (en) 2005-02-17
JPWO2005015191A1 (en) 2006-10-05
JP4375336B2 (en) 2009-12-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase