BRPI0908236A2 - Aparelho de detecção da concentração de gás - Google Patents

Aparelho de detecção da concentração de gás

Info

Publication number
BRPI0908236A2
BRPI0908236A2 BRPI0908236-0A BRPI0908236A BRPI0908236A2 BR PI0908236 A2 BRPI0908236 A2 BR PI0908236A2 BR PI0908236 A BRPI0908236 A BR PI0908236A BR PI0908236 A2 BRPI0908236 A2 BR PI0908236A2
Authority
BR
Brazil
Prior art keywords
gas concentration
concentration detector
detector
gas
concentration
Prior art date
Application number
BRPI0908236-0A
Other languages
English (en)
Inventor
Takanori Sasaki
Original Assignee
Toyota Motor Co 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
Priority claimed from JP2008033351A external-priority patent/JP5067184B2/ja
Priority claimed from JP2008074458A external-priority patent/JP5067222B2/ja
Application filed by Toyota Motor Co Ltd filed Critical Toyota Motor Co Ltd
Publication of BRPI0908236A2 publication Critical patent/BRPI0908236A2/pt

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
    • G01N27/26—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
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
BRPI0908236-0A 2008-02-14 2009-02-10 Aparelho de detecção da concentração de gás BRPI0908236A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008033351A JP5067184B2 (ja) 2008-02-14 2008-02-14 ガス濃度検出装置
JP2008074458A JP5067222B2 (ja) 2008-03-21 2008-03-21 ガス濃度検出装置
PCT/JP2009/052593 WO2009102072A1 (en) 2008-02-14 2009-02-10 Gas concentration detection apparatus

Publications (1)

Publication Number Publication Date
BRPI0908236A2 true BRPI0908236A2 (pt) 2015-07-21

Family

ID=40577785

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0908236-0A BRPI0908236A2 (pt) 2008-02-14 2009-02-10 Aparelho de detecção da concentração de gás

Country Status (6)

Country Link
US (1) US8512531B2 (pt)
EP (1) EP2243026B1 (pt)
CN (1) CN102089649B (pt)
BR (1) BRPI0908236A2 (pt)
ES (1) ES2731339T3 (pt)
WO (1) WO2009102072A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5212574B2 (ja) * 2010-06-23 2013-06-19 トヨタ自動車株式会社 ガスセンサの異常診断装置
JP5155377B2 (ja) 2010-11-29 2013-03-06 日本特殊陶業株式会社 ガスセンサの制御装置
CN103018280B (zh) * 2012-12-06 2014-04-16 深圳市戴维莱实业有限责任公司 一种解决半导体式可燃气体探测器长期稳定性的方法
JP6229836B2 (ja) * 2013-12-13 2017-11-15 株式会社タニタ ガス濃度計測装置
JP6390560B2 (ja) * 2014-10-01 2018-09-19 株式会社デンソー ガス濃度検出装置
US9927413B2 (en) 2015-01-16 2018-03-27 Cummins Emission Solutions, Inc. NOx sensor diagnostic system and method
DE102015112217B3 (de) * 2015-07-27 2016-09-29 Borgwarner Ludwigsburg Gmbh Verfahren zum Steuern einer Koronazündeinrichtung
WO2017087402A1 (en) 2015-11-20 2017-05-26 Cummins, Inc. Systems and methods for using oxygen to diagnose in-range rationality for nox sensors
JP6539197B2 (ja) 2015-12-15 2019-07-03 日本碍子株式会社 ガスセンサの診断方法
JP6776533B2 (ja) * 2015-12-25 2020-10-28 株式会社デンソー ガスセンサの制御装置
CN107966544A (zh) * 2017-12-26 2018-04-27 重庆光可巡科技有限公司 避免人工校正的可燃气体探测器的校正系统
JP7009314B2 (ja) * 2018-06-08 2022-01-25 日本特殊陶業株式会社 ＮＯｘセンサ制御装置及びＮＯｘセンサ制御方法
DE102019207251A1 (de) * 2019-05-17 2020-11-19 Robert Bosch Gmbh Verfahren zum Überwachen eines Gassensors
WO2023026899A1 (ja) * 2021-08-25 2023-03-02 日本碍子株式会社 ガスセンサ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3596274B2 (ja) 1998-02-24 2004-12-02 日産自動車株式会社 ＮＯｘ濃度検出装置
DE10049685A1 (de) 2000-10-07 2002-04-11 Volkswagen Ag Verfahren und Vorrichtung zur Eigendiagnose eines NOX-Sensors
JP3843881B2 (ja) 2001-05-31 2006-11-08 株式会社デンソー ガス濃度センサのヒータ制御装置
JP3310274B2 (ja) 2001-07-05 2002-08-05 株式会社デンソー ガス濃度検出装置とそれに用いるガス濃度センサ
JP3736444B2 (ja) 2001-12-03 2006-01-18 株式会社デンソー 内燃機関のガス濃度検出装置
JP3873788B2 (ja) 2002-03-18 2007-01-24 トヨタ自動車株式会社 ＮＯｘセンサの故障診断装置
US20040238378A1 (en) 2002-03-29 2004-12-02 Shinji Kumazawa Nox measurement device, nox sensor self-diagnosis device, and self-diagnosis method thereof
JP3744486B2 (ja) 2002-11-25 2006-02-08 トヨタ自動車株式会社 酸素センサの劣化検出装置
DE10300939A1 (de) 2002-12-29 2004-07-29 Volkswagen Ag Verfahren und Vorrichtung zur Überwachung des NOx-Signals eines NOx-Sensors
JP4252359B2 (ja) 2003-05-09 2009-04-08 株式会社日本自動車部品総合研究所 ガス濃度センサの異常検出装置
JP4592571B2 (ja) 2005-11-25 2010-12-01 日本特殊陶業株式会社 センサ素子劣化判定装置およびセンサ素子劣化判定方法
WO2008004917A1 (en) 2006-07-06 2008-01-10 Volvo Technology Group Diagnosis of a cracked multi-chamber solid-electrolyte gas sensor

Also Published As

Publication number Publication date
US8512531B2 (en) 2013-08-20
WO2009102072A1 (en) 2009-08-20
CN102089649B (zh) 2014-01-29
EP2243026B1 (en) 2019-05-15
ES2731339T3 (es) 2019-11-15
EP2243026A1 (en) 2010-10-27
US20110016949A1 (en) 2011-01-27
CN102089649A (zh) 2011-06-08

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

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