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JP3313134B2 - 触媒の老化状態を判定する方法及び装置 - Google Patents

触媒の老化状態を判定する方法及び装置

Info

Publication number
JP3313134B2
JP3313134B2 JP09135392A JP9135392A JP3313134B2 JP 3313134 B2 JP3313134 B2 JP 3313134B2 JP 09135392 A JP09135392 A JP 09135392A JP 9135392 A JP9135392 A JP 9135392A JP 3313134 B2 JP3313134 B2 JP 3313134B2
Authority
JP
Japan
Prior art keywords
catalyst
engine
value
lambda
lambda value
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.)
Expired - Fee Related
Application number
JP09135392A
Other languages
English (en)
Japanese (ja)
Other versions
JPH05179933A (ja
Inventor
ヘプナー ベルント
リヒター ヴォルフガング
シュトゥーバー アクセル
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPH05179933A publication Critical patent/JPH05179933A/ja
Application granted granted Critical
Publication of JP3313134B2 publication Critical patent/JP3313134B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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, e.g. for catalytic activity
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • 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
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Testing Of Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
JP09135392A 1991-04-17 1992-04-13 触媒の老化状態を判定する方法及び装置 Expired - Fee Related JP3313134B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4112480.4 1991-04-17
DE4112480A DE4112480C2 (de) 1991-04-17 1991-04-17 Verfahren und Vorrichtung zum Bestimmen des Alterungszustandes eines Katalysators

Publications (2)

Publication Number Publication Date
JPH05179933A JPH05179933A (ja) 1993-07-20
JP3313134B2 true JP3313134B2 (ja) 2002-08-12

Family

ID=6429748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP09135392A Expired - Fee Related JP3313134B2 (ja) 1991-04-17 1992-04-13 触媒の老化状態を判定する方法及び装置

Country Status (3)

Country Link
JP (1) JP3313134B2 (de)
DE (1) DE4112480C2 (de)
FR (1) FR2675538B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19549649B4 (de) * 1994-05-10 2004-06-17 Mitsubishi Jidosha Kogyo K.K. Steuer-Vorrichtung für einen Verbrennungsmotor mit einem Abgaskatalysator
DE19545706C2 (de) * 1995-12-07 1999-07-15 Mannesmann Vdo Ag Verfahren zur Kalibrierung einer Lambdasonde in einer Brennkraftmaschine
JPH09236569A (ja) * 1996-03-01 1997-09-09 Hitachi Ltd 内燃機関の排気浄化装置の機能診断装置
DE19705478A1 (de) * 1997-02-13 1998-08-20 Opel Adam Ag Verfahren zum Schutz eines Katalysators
DE19752965C2 (de) * 1997-11-28 2002-06-13 Siemens Ag Verfahren zur Überwachung des Abgasreinigungssystems einer fremdgezündeten Brennkraftmaschine
JP3625403B2 (ja) * 1999-10-26 2005-03-02 三菱電機株式会社 内燃機関の触媒劣化検出装置
DE19963938A1 (de) * 1999-12-31 2001-07-12 Bosch Gmbh Robert Verfahren zum Betreiben eines Dreiwegekatalysators einer Brennkraftmaschine
US6912842B2 (en) * 2001-06-19 2005-07-05 Ford Global Technologies, Inc. Oxygen storage capacity estimation
DE102007007502A1 (de) 2007-02-15 2008-08-21 Robert Bosch Gmbh Verfahren und Vorrichtung zur Diagnose einer Abgasreinigungsanlage
CN101975664B (zh) * 2010-09-27 2012-02-29 重庆建设摩托车股份有限公司 摩托车怠速排放等效测量方法
CN102692324A (zh) * 2012-06-27 2012-09-26 镇江跃进机械厂有限公司 摩托车怠速排放等效测量方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444334A1 (de) * 1974-09-17 1976-03-25 Bosch Gmbh Robert Verfahren und einrichtung zur ueberwachung der aktivitaet von katalytischen reaktoren
CH668620A5 (de) * 1984-04-12 1989-01-13 Daimler Benz Ag Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren.
DE3524592C1 (de) * 1985-07-10 1986-09-25 Pierburg Gmbh & Co Kg, 4040 Neuss Verfahren zur UEberpruefung der Funktionstuechtigkeit katalytischer Reaktoren und Einrichtung zur Durchfuehrung des Verfahrens
DE3736259C2 (de) * 1986-11-07 1998-01-29 Volkswagen Ag Einrichtung zur Ermittlung des Konvertierungsgrads eines Katalysators
JP2526640B2 (ja) * 1988-07-20 1996-08-21 トヨタ自動車株式会社 内燃機関の触媒劣化判別装置
DE3830515A1 (de) * 1988-09-08 1990-03-22 Bayerische Motoren Werke Ag Verfahren zur ueberpruefung der funktion des abgaskatalysators einer brennkraftmaschine

Also Published As

Publication number Publication date
DE4112480C2 (de) 2001-12-06
DE4112480A1 (de) 1992-10-22
FR2675538B1 (fr) 1993-08-20
JPH05179933A (ja) 1993-07-20
FR2675538A1 (fr) 1992-10-23

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