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公开(公告)号:EP2572187B1
公开(公告)日:2020-07-08
申请号:EP11783870.6
申请日:2011-05-19
IPC分类号: G01N27/26 , B82Y15/00 , G01N27/12 , G01N27/407 , G01N27/417
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12.
公开(公告)号:EP3650848A1
公开(公告)日:2020-05-13
申请号:EP19207122.3
申请日:2019-11-05
发明人: AOKI, Keiichiro , TAKAOKA, Kazuya
IPC分类号: G01N27/417
摘要: A failure detection apparatus for a gas sensor includes an electronic control unit (12) configured to: perform control so that a predetermined voltage, which is a positive voltage and is a voltage lower than a limiting current range when the gas sensor (10) does not fail, is applied between a pair of electrodes (102, 103); acquire a determination current, which is a current flowing between the pair of electrodes when the predetermined voltage is applied between the pair of electrodes; and determine whether the gas sensor fails based on the acquired determination current.
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公开(公告)号:EP3622281A1
公开(公告)日:2020-03-18
申请号:EP18716922.2
申请日:2018-03-23
申请人: Robert Bosch GmbH
IPC分类号: G01N27/406 , G01N27/417
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公开(公告)号:EP3566048A2
公开(公告)日:2019-11-13
申请号:EP18702316.3
申请日:2018-01-05
申请人: Zodiac Aerotechnics , L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ÉTUDE ET L'EXPLOITATION DES PROCÉDÉS GEORGES CLAUDE
发明人: VANDROUX, Olivier , GIROUD, Nelly , PONSINET, Norbert , GASPAR, Jorge , DELAITRE, Gilles , CAZENAVE, Jean-Michel , BOGGETTO, Philippe
IPC分类号: G01N33/00 , A62C3/08 , B64D37/32 , G01N27/417
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公开(公告)号:EP3529603A1
公开(公告)日:2019-08-28
申请号:EP17794486.5
申请日:2017-10-18
申请人: Carrier Corporation
发明人: YANG, Zhiwei , CHEN, Lei
IPC分类号: G01N27/407 , G01N27/417 , G01N33/00
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公开(公告)号:EP2243026B1
公开(公告)日:2019-05-15
申请号:EP09709983.2
申请日:2009-02-10
发明人: SASAKI, Takanori
IPC分类号: G01N27/417 , G01N33/00
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公开(公告)号:EP2973103B1
公开(公告)日:2019-05-08
申请号:EP14722834.0
申请日:2014-03-12
发明人: SCHICK, Karl, G. , UHEN, David
IPC分类号: G06F19/00 , G01F1/00 , G01N27/417 , G01N27/416 , G06K19/00 , G06K7/10
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公开(公告)号:EP3465195A1
公开(公告)日:2019-04-10
申请号:EP17722424.3
申请日:2017-05-08
申请人: Robert Bosch GmbH
IPC分类号: G01N27/417 , G01N27/419 , F01N11/00
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公开(公告)号:EP2622337B1
公开(公告)日:2018-11-21
申请号:EP11758484.7
申请日:2011-09-23
申请人: Robert Bosch GmbH
IPC分类号: G01N27/417 , F02D41/14 , F23N5/12
CPC分类号: G01N27/4175 , F02D41/1454 , F02D41/2441 , F02D41/2454 , F02D41/2474 , F23N5/12 , F23N2025/30 , F23N2027/20
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公开(公告)号:EP1961942B1
公开(公告)日:2018-10-24
申请号:EP08002866.5
申请日:2008-02-15
发明人: Fukagai, Reina , Ieda, Norikazu , Tanaka, Masahiro , Inagaki, Hiroshi , Takamatsu, Kunihiko , Hirata, Masaki , Suzuki, Takahiro
IPC分类号: F02D41/22 , F02D41/14 , G01N27/417 , F02D41/12
CPC分类号: F02D41/1456 , F02D41/123 , F02D41/126 , F02D41/1495 , F02D2250/14 , G01N27/4175
摘要: A gas sensor diagnostic method includes: a fuel supply detecting step of detecting an interruption of a fuel supply to the internal combustion engine, and a restart of the fuel supply after the interruption of the fuel supply; a response time period accumulating step of determining a response time period by accumulating a first time period that the sensor output value reaches from a first threshold value to a second threshold value after the detection of the interruption of the fuel supply, and a second time period that the sensor output value reaches from a third threshold value to a fourth threshold value after the detection of the restart of the fuel supply after the interruption of the fuel supply; and an abnormal state diagnosing section of determining an abnormal state of the gas sensor when the response time period is greater than a predetermined time period.
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