JP4779730B2 - 内燃機関の排気浄化装置の故障診断装置 - Google Patents

内燃機関の排気浄化装置の故障診断装置 Download PDF

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Publication number
JP4779730B2
JP4779730B2 JP2006070232A JP2006070232A JP4779730B2 JP 4779730 B2 JP4779730 B2 JP 4779730B2 JP 2006070232 A JP2006070232 A JP 2006070232A JP 2006070232 A JP2006070232 A JP 2006070232A JP 4779730 B2 JP4779730 B2 JP 4779730B2
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JP
Japan
Prior art keywords
fuel ratio
air
bypass
catalytic converter
ratio sensor
Prior art date
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Expired - Fee Related
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JP2006070232A
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English (en)
Japanese (ja)
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JP2007247486A (ja
Inventor
賢吾 久保
公良 西沢
先基 李
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Nissan Motor Co Ltd
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Nissan 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.)
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Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP2006070232A priority Critical patent/JP4779730B2/ja
Priority to KR1020070024741A priority patent/KR100905811B1/ko
Priority to US11/717,784 priority patent/US8341937B2/en
Priority to CN 200710086788 priority patent/CN100554656C/zh
Priority to EP07104230.3A priority patent/EP1835140B1/en
Publication of JP2007247486A publication Critical patent/JP2007247486A/ja
Application granted granted Critical
Publication of JP4779730B2 publication Critical patent/JP4779730B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • Y02T10/47—

Landscapes

  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2006070232A 2006-03-15 2006-03-15 内燃機関の排気浄化装置の故障診断装置 Expired - Fee Related JP4779730B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2006070232A JP4779730B2 (ja) 2006-03-15 2006-03-15 内燃機関の排気浄化装置の故障診断装置
KR1020070024741A KR100905811B1 (ko) 2006-03-15 2007-03-14 내연 기관의 배기 정화 장치의 고장 진단 장치
US11/717,784 US8341937B2 (en) 2006-03-15 2007-03-14 Diagnostic apparatus for an exhaust gas purification system of an internal combustion engine, an exhaust gas purification system and a diagnostic method thereof
CN 200710086788 CN100554656C (zh) 2006-03-15 2007-03-15 内燃机排气净化系统诊断设备、排气净化系统和诊断方法
EP07104230.3A EP1835140B1 (en) 2006-03-15 2007-03-15 Exhaust gas purification system and corresponding method of diagnosing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006070232A JP4779730B2 (ja) 2006-03-15 2006-03-15 内燃機関の排気浄化装置の故障診断装置

Publications (2)

Publication Number Publication Date
JP2007247486A JP2007247486A (ja) 2007-09-27
JP4779730B2 true JP4779730B2 (ja) 2011-09-28

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ID=38592053

Family Applications (1)

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JP2006070232A Expired - Fee Related JP4779730B2 (ja) 2006-03-15 2006-03-15 内燃機関の排気浄化装置の故障診断装置

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JP (1) JP4779730B2 (zh)
CN (1) CN100554656C (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5272512B2 (ja) * 2008-05-21 2013-08-28 日産自動車株式会社 排気バイパス弁の故障診断装置及び故障診断方法
DE102009055120B4 (de) * 2009-12-22 2023-11-16 Robert Bosch Gmbh Verfahren zum Überprüfen einer Funktion eines Aktuators bzw. eines Sensors, Verfahren zum Kalibrieren eines Aktuators bzw. eines Sensors sowie entsprechende Vorrichtung
DE102011003108B4 (de) * 2011-01-25 2015-06-11 Continental Automotive Gmbh Überprüfung einer Abgasklappe
CN103711551B (zh) * 2013-01-23 2016-05-18 日立汽车系统(苏州）有限公司 车辆尾气处理装置和发动机系统
DE102014005515A1 (de) * 2014-04-15 2015-10-15 Man Diesel & Turbo Se Verbrennungskraftmaschinensystem sowie Verfahren und Steuerungseinrichtung zum Betreiben desselben
DE102016221812A1 (de) * 2016-11-08 2018-05-09 Robert Bosch Gmbh Verfahren zur Erkennung einer Störung in einem einen Abgasstrom eines Verbrennungsmotors führenden Abgassystem
DE102018200572A1 (de) * 2018-01-15 2019-07-18 Robert Bosch Gmbh Verfahren zur Überprüfung eines SCR-Systems mit zumindest zwei Dosierventilen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3237090B2 (ja) * 1994-09-14 2001-12-10 本田技研工業株式会社 内燃エンジンの制御装置
JP3467657B2 (ja) * 1994-12-26 2003-11-17 株式会社日立製作所 内燃機関の排気制御装置
US6003309A (en) * 1995-02-17 1999-12-21 Hitachi, Ltd. Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine
JPH0916253A (ja) * 1995-06-30 1997-01-17 Nissan Motor Co Ltd 排気浄化装置の診断装置
JPH0972211A (ja) * 1995-09-04 1997-03-18 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JP3424406B2 (ja) * 1995-09-25 2003-07-07 日産自動車株式会社 内燃機関の排気浄化装置
JPH09209744A (ja) * 1996-01-29 1997-08-12 Nissan Motor Co Ltd 内燃機関の排気浄化装置における故障診断装置
JP3680650B2 (ja) * 1999-01-25 2005-08-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2000328930A (ja) * 1999-05-20 2000-11-28 Fuji Heavy Ind Ltd エンジンの触媒劣化診断装置

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Publication number Publication date
JP2007247486A (ja) 2007-09-27
CN100554656C (zh) 2009-10-28
CN101037954A (zh) 2007-09-19

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