JPH0417141U - - Google Patents
Info
- Publication number
- JPH0417141U JPH0417141U JP1990056617U JP5661790U JPH0417141U JP H0417141 U JPH0417141 U JP H0417141U JP 1990056617 U JP1990056617 U JP 1990056617U JP 5661790 U JP5661790 U JP 5661790U JP H0417141 U JPH0417141 U JP H0417141U
- Authority
- JP
- Japan
- Prior art keywords
- way catalyst
- engine
- internal combustion
- fuel supply
- detection device
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- F01N2900/0421—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
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056617U JPH0417141U (US07223432-20070529-C00017.png) | 1990-05-30 | 1990-05-30 | |
| US07/700,542 US5191762A (en) | 1990-05-30 | 1991-05-15 | System for detecting deterioration of a three-way catalyst of an internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990056617U JPH0417141U (US07223432-20070529-C00017.png) | 1990-05-30 | 1990-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417141U true JPH0417141U (US07223432-20070529-C00017.png) | 1992-02-13 |
Family
ID=13032230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990056617U Pending JPH0417141U (US07223432-20070529-C00017.png) | 1990-05-30 | 1990-05-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5191762A (US07223432-20070529-C00017.png) |
| JP (1) | JPH0417141U (US07223432-20070529-C00017.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013083196A (ja) * | 2011-10-07 | 2013-05-09 | National Traffic Safety & Environment Laboratory | 減速走行下における触媒劣化診断方法 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128997A1 (de) * | 1991-08-31 | 1993-03-04 | Abb Patent Gmbh | Verfahren und vorrichtung zur regelung und pruefung |
| JP2812023B2 (ja) * | 1991-11-12 | 1998-10-15 | トヨタ自動車株式会社 | 触媒劣化度検出装置 |
| JP3303981B2 (ja) * | 1991-12-20 | 2002-07-22 | 株式会社日立製作所 | エンジン排気ガス浄化装置の診断装置 |
| DE4302779C2 (de) * | 1993-02-02 | 1995-10-05 | Porsche Ag | Verfahren zur Überprüfung der Funktionstüchtigkeit von im Abgasstrang, von mit einer Brennkraftmaschine ausgerüsteten Kraftfahrzeugen eingesetzten Abgaskatalysatoren |
| JP3266699B2 (ja) * | 1993-06-22 | 2002-03-18 | 株式会社日立製作所 | 触媒の評価方法及び触媒効率制御方法ならびにＮＯｘ浄化触媒評価装置 |
| JP3724634B2 (ja) * | 2000-08-28 | 2005-12-07 | 本田技研工業株式会社 | エンジン発電装置およびコジェネレーション装置 |
| JP4233490B2 (ja) * | 2004-05-25 | 2009-03-04 | 三菱電機株式会社 | 内燃機関の制御装置 |
| FR2883329B1 (fr) * | 2005-03-18 | 2007-05-11 | Renault Sas | Dispositif de surveillance d'un filtre a particules equipant la ligne d'echappement d'un moteur a combustion interne. |
| JP4930347B2 (ja) * | 2007-11-30 | 2012-05-16 | 株式会社デンソー | 内燃機関の異常診断装置 |
| JP5024405B2 (ja) * | 2010-03-09 | 2012-09-12 | トヨタ自動車株式会社 | 触媒劣化検出装置 |
Family Cites Families (5)
| 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 |
| US3939654A (en) * | 1975-02-11 | 1976-02-24 | General Motors Corporation | Engine with dual sensor closed loop fuel control |
| JPS5537562A (en) * | 1978-09-08 | 1980-03-15 | Nippon Denso Co Ltd | Air-fuel ratio control system |
| CH668620A5 (de) * | 1984-04-12 | 1989-01-13 | Daimler Benz Ag | Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren. |
| DE3841685A1 (de) * | 1988-12-10 | 1990-06-13 | Daimler Benz Ag | Verfahren zur erkennung des zustandes von katalysatoren |
-
1990
- 1990-05-30 JP JP1990056617U patent/JPH0417141U/ja active Pending
-
1991
- 1991-05-15 US US07/700,542 patent/US5191762A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013083196A (ja) * | 2011-10-07 | 2013-05-09 | National Traffic Safety & Environment Laboratory | 減速走行下における触媒劣化診断方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5191762A (en) | 1993-03-09 |
