DE69713875D1 - Verfahren zum kontrollieren der funktion eines katalysators - Google Patents
Verfahren zum kontrollieren der funktion eines katalysatorsInfo
- Publication number
- DE69713875D1 DE69713875D1 DE69713875T DE69713875T DE69713875D1 DE 69713875 D1 DE69713875 D1 DE 69713875D1 DE 69713875 T DE69713875 T DE 69713875T DE 69713875 T DE69713875 T DE 69713875T DE 69713875 D1 DE69713875 D1 DE 69713875D1
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- controlling
- function
- 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 - Lifetime
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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
- F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
-
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/764,658 US5732551A (en) | 1996-12-11 | 1996-12-11 | Method for monitoring the performance of a catalytic converter using mass transfer coefficients |
PCT/US1997/018812 WO1998026164A1 (en) | 1996-12-11 | 1997-10-15 | Method for monitoring catalytic converter performance |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69713875D1 true DE69713875D1 (de) | 2002-08-14 |
DE69713875T2 DE69713875T2 (de) | 2002-12-05 |
Family
ID=25071364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69713875T Expired - Lifetime DE69713875T2 (de) | 1996-12-11 | 1997-10-15 | Verfahren zum kontrollieren der funktion eines katalysators |
Country Status (4)
Country | Link |
---|---|
US (1) | US5732551A (de) |
EP (1) | EP0883737B1 (de) |
DE (1) | DE69713875T2 (de) |
WO (1) | WO1998026164A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6151888A (en) * | 1996-06-12 | 2000-11-28 | Robert Bosch Gmbh | Method of diagnosing a catalytic converter |
US5966930A (en) * | 1996-08-22 | 1999-10-19 | Honda Giken Kogyo Kabushiki Kaisha | Catalyst deterioration-determining system for internal combustion engines |
US5953905A (en) * | 1997-01-17 | 1999-09-21 | Ford Global Technologies, Inc. | System and method for monitoring a catalytic converter |
DE19736233C2 (de) * | 1997-08-20 | 2001-03-29 | Siemens Ag | Verfahren zum Überprüfen eines Katalysators |
CN1166855C (zh) * | 1998-07-17 | 2004-09-15 | 本田技研工业株式会社 | 排气净化用催化剂装置的劣化判别方法 |
JP3688533B2 (ja) * | 1999-11-12 | 2005-08-31 | 本田技研工業株式会社 | 排ガス浄化用触媒装置の劣化状態評価方法 |
US6553817B1 (en) * | 1999-11-18 | 2003-04-29 | Visteon Global Tech., Inc. | Method and apparatus for monitoring a catalytic converter |
JP4312325B2 (ja) * | 1999-12-28 | 2009-08-12 | 本田技研工業株式会社 | 排ガス浄化用触媒装置の劣化状態評価方法 |
DE19963903A1 (de) * | 1999-12-31 | 2001-07-12 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
DE10013893A1 (de) * | 2000-03-21 | 2001-09-27 | Dmc2 Degussa Metals Catalysts | Verfahren zur Überprüfung der Funktionstüchtigkeit eines Abgasreinigungskatalysators |
US6453662B1 (en) * | 2001-06-20 | 2002-09-24 | Ford Global Technologies, Inc. | System and method for estimating oxidant storage of a catalyst |
US6993899B2 (en) * | 2001-06-20 | 2006-02-07 | Ford Global Technologies, Llc | System and method for controlling catalyst storage capacity |
US6497093B1 (en) * | 2001-06-20 | 2002-12-24 | Ford Global Technologies, Inc. | System and method for adjusting air-fuel ratio |
US6453661B1 (en) * | 2001-06-20 | 2002-09-24 | Ford Global Technologies, Inc. | System and method for determining target oxygen storage in an automotive catalyst |
EP1300571A1 (de) * | 2001-10-04 | 2003-04-09 | Visteon Global Technologies, Inc. | Kraftstoffregelung für Brennkraftmaschine |
JP3963130B2 (ja) * | 2002-06-27 | 2007-08-22 | トヨタ自動車株式会社 | 触媒劣化判定装置 |
DE10248842A1 (de) * | 2002-10-19 | 2004-04-29 | Daimlerchrysler Ag | Vorrichtung und Verfahren zur Bestimmung des Alterungszustands eines Abgaskatalysators |
DE102005004670B4 (de) * | 2005-02-02 | 2007-05-24 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Verfahren zur Diagnose des Alterungsgrades eines im Abgaskanal einer Brennkraftmaschine angeordneten Katalysators |
US7324925B2 (en) * | 2005-05-04 | 2008-01-29 | Giovanni Bonvicini | Method of information analysis |
US7628063B2 (en) * | 2007-01-11 | 2009-12-08 | Cummins Inc. | Method for on-board diagnostics of diesel engine NOx adsorber catalysts |
US8146345B2 (en) * | 2007-03-20 | 2012-04-03 | GM Global Technology Operations LLC | Normalizing oxygen storage capacity(OSC) for catalyst monitoring |
GB2508666A (en) * | 2012-12-10 | 2014-06-11 | Jaguar Land Rover Ltd | Vehicle exhaust diagnosis |
JP6178501B2 (ja) * | 2013-05-27 | 2017-08-09 | ボルボトラックコーポレーション | 再生プロセスのタイミングをとる方法 |
US10001045B2 (en) | 2016-11-18 | 2018-06-19 | Ford Global Technologies, Llc | Non-intrusive air/fuel sensor diagnostics |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1257100B (it) * | 1992-09-14 | 1996-01-05 | Fiat Auto Spa | Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli. |
US5289678A (en) * | 1992-11-25 | 1994-03-01 | Ford Motor Company | Apparatus and method of on-board catalytic converter efficiency monitoring |
US5357751A (en) * | 1993-04-08 | 1994-10-25 | Ford Motor Company | Air/fuel control system providing catalytic monitoring |
US5363646A (en) * | 1993-09-27 | 1994-11-15 | Ford Motor Company | Engine air/fuel control system with catalytic converter monitoring |
US5351484A (en) * | 1993-12-16 | 1994-10-04 | Ford Motor Company | Light-off catalyst monitor |
US5357753A (en) * | 1993-12-16 | 1994-10-25 | Ford Motor Company | Catalyst monitor for a Y pipe exhaust configuration |
-
1996
- 1996-12-11 US US08/764,658 patent/US5732551A/en not_active Expired - Lifetime
-
1997
- 1997-10-15 DE DE69713875T patent/DE69713875T2/de not_active Expired - Lifetime
- 1997-10-15 EP EP97911781A patent/EP0883737B1/de not_active Expired - Lifetime
- 1997-10-15 WO PCT/US1997/018812 patent/WO1998026164A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO1998026164A1 (en) | 1998-06-18 |
US5732551A (en) | 1998-03-31 |
EP0883737A1 (de) | 1998-12-16 |
EP0883737A4 (de) | 1999-11-03 |
EP0883737B1 (de) | 2002-07-10 |
DE69713875T2 (de) | 2002-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |