JP7172861B2 - 排ガスセンサ - Google Patents

排ガスセンサ Download PDF

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Publication number
JP7172861B2
JP7172861B2 JP2019100209A JP2019100209A JP7172861B2 JP 7172861 B2 JP7172861 B2 JP 7172861B2 JP 2019100209 A JP2019100209 A JP 2019100209A JP 2019100209 A JP2019100209 A JP 2019100209A JP 7172861 B2 JP7172861 B2 JP 7172861B2
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JP
Japan
Prior art keywords
exhaust gas
sensor
temperature
diagnosis
mounting
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.)
Active
Application number
JP2019100209A
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English (en)
Japanese (ja)
Other versions
JP2020193893A (ja
JP2020193893A5 (enExample
Inventor
雅登 湊
祐人 勝野
貴司 荒木
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2019100209A priority Critical patent/JP7172861B2/ja
Priority to PCT/JP2020/021260 priority patent/WO2020241808A1/ja
Publication of JP2020193893A publication Critical patent/JP2020193893A/ja
Publication of JP2020193893A5 publication Critical patent/JP2020193893A5/ja
Priority to US17/535,883 priority patent/US11512622B2/en
Application granted granted Critical
Publication of JP7172861B2 publication Critical patent/JP7172861B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/24—Determining the presence or absence of an exhaust treating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/20—Sensor having heating means
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2019100209A 2019-05-29 2019-05-29 排ガスセンサ Active JP7172861B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019100209A JP7172861B2 (ja) 2019-05-29 2019-05-29 排ガスセンサ
PCT/JP2020/021260 WO2020241808A1 (ja) 2019-05-29 2020-05-29 排ガスセンサ
US17/535,883 US11512622B2 (en) 2019-05-29 2021-11-26 Exhaust gas sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019100209A JP7172861B2 (ja) 2019-05-29 2019-05-29 排ガスセンサ

Publications (3)

Publication Number Publication Date
JP2020193893A JP2020193893A (ja) 2020-12-03
JP2020193893A5 JP2020193893A5 (enExample) 2021-09-09
JP7172861B2 true JP7172861B2 (ja) 2022-11-16

Family

ID=73548676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019100209A Active JP7172861B2 (ja) 2019-05-29 2019-05-29 排ガスセンサ

Country Status (3)

Country Link
US (1) US11512622B2 (enExample)
JP (1) JP7172861B2 (enExample)
WO (1) WO2020241808A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240369007A1 (en) * 2021-04-30 2024-11-07 Cummins Inc. Heater control unit for exhaust after treatment system
WO2024138214A2 (en) * 2022-12-23 2024-06-27 Chorus, Llc Systems and methods for identifying gas concentrations using an mox sensor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003254839A (ja) 2002-02-28 2003-09-10 Toyota Motor Corp 温度センサの状態検知装置および状態検知方法
JP2005030345A (ja) 2003-07-10 2005-02-03 Honda Motor Co Ltd 排気ガスセンサの劣化故障診断装置
JP2007002700A (ja) 2005-06-22 2007-01-11 Honda Motor Co Ltd 排気温度センサの異常診断装置
JP2007170360A (ja) 2005-12-26 2007-07-05 Denso Corp 内燃機関の排気浄化装置
WO2012032622A1 (ja) 2010-09-08 2012-03-15 トヨタ自動車株式会社 Ｐｍ検出装置
US20120120981A1 (en) 2009-05-14 2012-05-17 Andreas Genssle Method and device for monitoring a component arranged in an exhaust region of an internal combustion engine
JP2014222021A (ja) 2013-05-13 2014-11-27 ダイムラー・アクチェンゲゼルシャフトＤａｉｍｌｅｒ ＡＧ 排気温度センサの異常診断装置
US20180266298A1 (en) 2017-03-20 2018-09-20 Nissan North America, Inc. Exhaust gas temperature sensor diagnostic system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003254839A (ja) 2002-02-28 2003-09-10 Toyota Motor Corp 温度センサの状態検知装置および状態検知方法
JP2005030345A (ja) 2003-07-10 2005-02-03 Honda Motor Co Ltd 排気ガスセンサの劣化故障診断装置
JP2007002700A (ja) 2005-06-22 2007-01-11 Honda Motor Co Ltd 排気温度センサの異常診断装置
JP2007170360A (ja) 2005-12-26 2007-07-05 Denso Corp 内燃機関の排気浄化装置
US20120120981A1 (en) 2009-05-14 2012-05-17 Andreas Genssle Method and device for monitoring a component arranged in an exhaust region of an internal combustion engine
WO2012032622A1 (ja) 2010-09-08 2012-03-15 トヨタ自動車株式会社 Ｐｍ検出装置
JP2014222021A (ja) 2013-05-13 2014-11-27 ダイムラー・アクチェンゲゼルシャフトＤａｉｍｌｅｒ ＡＧ 排気温度センサの異常診断装置
US20180266298A1 (en) 2017-03-20 2018-09-20 Nissan North America, Inc. Exhaust gas temperature sensor diagnostic system

Also Published As

Publication number Publication date
WO2020241808A1 (ja) 2020-12-03
JP2020193893A (ja) 2020-12-03
US11512622B2 (en) 2022-11-29
US20220082044A1 (en) 2022-03-17

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