JP4069924B2 - 排出ガス浄化用触媒劣化検出装置 - Google Patents

排出ガス浄化用触媒劣化検出装置 Download PDF

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Publication number
JP4069924B2
JP4069924B2 JP2004379792A JP2004379792A JP4069924B2 JP 4069924 B2 JP4069924 B2 JP 4069924B2 JP 2004379792 A JP2004379792 A JP 2004379792A JP 2004379792 A JP2004379792 A JP 2004379792A JP 4069924 B2 JP4069924 B2 JP 4069924B2
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Prior art keywords
catalyst
fuel ratio
temperature
air
gas component
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Expired - Fee Related
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JP2004379792A
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Japanese (ja)
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JP2005106065A (ja
JP2005106065A5 (enExample
Inventor
久代 吉川
中山　　昌昭
向井　　弥寿夫
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Denso Corp
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Denso Corp
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Priority to JP2004379792A priority Critical patent/JP4069924B2/ja
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Publication of JP2005106065A5 publication Critical patent/JP2005106065A5/ja
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    • Y02T10/47—

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  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2004379792A 1996-03-19 2004-12-28 排出ガス浄化用触媒劣化検出装置 Expired - Fee Related JP4069924B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004379792A JP4069924B2 (ja) 1996-03-19 2004-12-28 排出ガス浄化用触媒劣化検出装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6221796 1996-03-19
JP2004379792A JP4069924B2 (ja) 1996-03-19 2004-12-28 排出ガス浄化用触媒劣化検出装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP02469797A Division JP3674017B2 (ja) 1996-03-19 1997-02-07 排出ガス浄化用触媒劣化検出装置

Publications (3)

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JP2005106065A JP2005106065A (ja) 2005-04-21
JP2005106065A5 JP2005106065A5 (enExample) 2008-01-24
JP4069924B2 true JP4069924B2 (ja) 2008-04-02

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JP2004379792A Expired - Fee Related JP4069924B2 (ja) 1996-03-19 2004-12-28 排出ガス浄化用触媒劣化検出装置

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JP (1) JP4069924B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4761526B2 (ja) * 2005-09-22 2011-08-31 独立行政法人交通安全環境研究所 自動車の実走行における排気流量計測による触媒劣化試験装置及び触媒劣化試験方法
JP4940903B2 (ja) * 2005-11-18 2012-05-30 トヨタ自動車株式会社 排気浄化システム
JP2008175134A (ja) * 2007-01-18 2008-07-31 Toyota Motor Corp 内燃機関の触媒劣化診断装置
JP5022997B2 (ja) * 2008-06-12 2012-09-12 本田技研工業株式会社 触媒の劣化判定装置
KR101699594B1 (ko) * 2014-12-31 2017-01-24 두산엔진주식회사 선택적 촉매 환원 시스템 및 이의 성능 진단 방법
JP2024063593A (ja) * 2022-10-26 2024-05-13 トヨタ自動車株式会社 内燃機関の制御装置
JP7718437B2 (ja) * 2023-02-06 2025-08-05 トヨタ自動車株式会社 内燃機関の制御装置

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JP2005106065A (ja) 2005-04-21

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