DE69400822D1 - Verfahren zur überwachung des wirkungsgrades eines beheizten katalytischen umwandlers - Google Patents
Verfahren zur überwachung des wirkungsgrades eines beheizten katalytischen umwandlersInfo
- Publication number
- DE69400822D1 DE69400822D1 DE69400822T DE69400822T DE69400822D1 DE 69400822 D1 DE69400822 D1 DE 69400822D1 DE 69400822 T DE69400822 T DE 69400822T DE 69400822 T DE69400822 T DE 69400822T DE 69400822 D1 DE69400822 D1 DE 69400822D1
- Authority
- DE
- Germany
- Prior art keywords
- monitoring
- efficiency
- catalytic converter
- heated catalytic
- heated
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
- F02D41/1441—Plural sensors
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9302871A FR2702516B1 (fr) | 1993-03-12 | 1993-03-12 | Procédé de surveillance de l'efficacité d'un pot catalytique chauffé, pour le traitement des gaz d'échappement d'un moteur à combustion interne. |
PCT/EP1994/000594 WO1994020737A1 (fr) | 1993-03-12 | 1994-03-01 | Procede de surveillance de l'efficacite d'un pot catalytique chauffe |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69400822D1 true DE69400822D1 (de) | 1996-12-05 |
DE69400822T2 DE69400822T2 (de) | 1997-04-03 |
Family
ID=9444903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69400822T Expired - Fee Related DE69400822T2 (de) | 1993-03-12 | 1994-03-01 | Verfahren zur überwachung des wirkungsgrades eines beheizten katalytischen umwandlers |
Country Status (6)
Country | Link |
---|---|
US (1) | US5647204A (de) |
EP (1) | EP0688394B1 (de) |
KR (1) | KR100289455B1 (de) |
DE (1) | DE69400822T2 (de) |
FR (1) | FR2702516B1 (de) |
WO (1) | WO1994020737A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4435196C1 (de) * | 1994-09-30 | 1995-10-12 | Siemens Ag | Verfahren zum Überprüfen eines Brennersystems zur Katalysatoraufheizung |
JPH08338297A (ja) * | 1995-04-12 | 1996-12-24 | Toyota Motor Corp | 触媒劣化判定装置 |
JP3542404B2 (ja) * | 1995-04-26 | 2004-07-14 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
SE505235C2 (sv) * | 1995-06-07 | 1997-07-21 | Volvo Ab | Sätt och anordning för att bestämma syrebuffertkapaciteten i en katalytisk avgasrenare |
SE505910C2 (sv) * | 1995-10-25 | 1997-10-20 | Forskarpatent I Linkoeping Ab | Provning av katalysator i en förbränningsmotors avgassystem |
GB2343259B (en) * | 1996-02-09 | 2000-07-19 | Snap On Equipment Ltd | Analysing catalyst and other systems operations |
GB9722950D0 (en) * | 1997-10-30 | 1998-01-07 | Lotus Car | A method of monitoring efficiency of a catalytic converter and a control systemsuitable for use in the method |
US5987885A (en) * | 1998-01-29 | 1999-11-23 | Chrysler Corporation | Combination catalytic converter and heat exchanger that maintains a catalyst substrate within an efficient operating temperature range for emmisions reduction |
US5983628A (en) * | 1998-01-29 | 1999-11-16 | Chrysler Corporation | System and method for controlling exhaust gas temperatures for increasing catalyst conversion of NOx emissions |
JP3613023B2 (ja) * | 1998-08-26 | 2005-01-26 | マツダ株式会社 | 筒内噴射式エンジンの制御装置 |
DE10203728A1 (de) * | 2002-01-30 | 2003-08-14 | Bosch Gmbh Robert | Elektronischer Vertauschschutz von Abgasmesssonden in einer abgasnachbehandelnden Brennkraftmaschine insbesondere eines Kraftfahrzeuges |
JP4449818B2 (ja) * | 2005-05-16 | 2010-04-14 | トヨタ自動車株式会社 | 触媒劣化判定装置 |
DE102011119214A1 (de) * | 2011-11-23 | 2013-05-23 | Daimler Ag | Verfahren zum Bestimmen einer Umsetzfähigkeit einer Abgasnachbehandlungseinrichtung für ein Fahrzeug |
JP6085947B2 (ja) * | 2012-11-06 | 2017-03-01 | 株式会社豊田自動織機 | 化学蓄熱装置 |
EP2989304A1 (de) * | 2013-04-26 | 2016-03-02 | Watlow Electric Manufacturing Company | Intelligente heizsystem |
CN111140327B (zh) * | 2020-04-08 | 2020-08-21 | 潍柴动力股份有限公司 | 一种三元催化器转化效率检测方法及装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5340022B2 (de) * | 1973-07-31 | 1978-10-25 | ||
US5077970A (en) * | 1990-06-11 | 1992-01-07 | Ford Motor Company | Method of on-board detection of automotive catalyst degradation |
JP2504265Y2 (ja) * | 1991-06-24 | 1996-07-10 | 本田技研工業株式会社 | 排気浄化触媒装置 |
JP2643038B2 (ja) * | 1991-07-25 | 1997-08-20 | 東京瓦斯株式会社 | 三元触媒の劣化判定方法 |
US5159810A (en) * | 1991-08-26 | 1992-11-03 | Ford Motor Company | Catalytic converter monitoring using downstream oxygen sensor |
-
1993
- 1993-03-12 FR FR9302871A patent/FR2702516B1/fr not_active Expired - Fee Related
-
1994
- 1994-03-01 US US08/525,671 patent/US5647204A/en not_active Expired - Lifetime
- 1994-03-01 DE DE69400822T patent/DE69400822T2/de not_active Expired - Fee Related
- 1994-03-01 EP EP94909097A patent/EP0688394B1/de not_active Expired - Lifetime
- 1994-03-01 WO PCT/EP1994/000594 patent/WO1994020737A1/fr active IP Right Grant
- 1994-03-01 KR KR1019950703847A patent/KR100289455B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2702516A1 (fr) | 1994-09-16 |
KR960701284A (ko) | 1996-02-24 |
EP0688394B1 (de) | 1996-10-30 |
KR100289455B1 (ko) | 2001-09-17 |
FR2702516B1 (fr) | 1995-06-02 |
US5647204A (en) | 1997-07-15 |
EP0688394A1 (de) | 1995-12-27 |
WO1994020737A1 (fr) | 1994-09-15 |
DE69400822T2 (de) | 1997-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: BERG, P., DIPL.-ING., PAT.-ASS., 80339 MUENCHEN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SIEMENS VDO AUTOMOTIVE, TOULOUSE, FR |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: MAIER, D., DIPL.-ING. UNIV., PAT.-ASS., 85221 DACH |
|
8339 | Ceased/non-payment of the annual fee |