JPH01142558U - - Google Patents
Info
- Publication number
- JPH01142558U JPH01142558U JP1988039836U JP3983688U JPH01142558U JP H01142558 U JPH01142558 U JP H01142558U JP 1988039836 U JP1988039836 U JP 1988039836U JP 3983688 U JP3983688 U JP 3983688U JP H01142558 U JPH01142558 U JP H01142558U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- egr
- detecting
- operating state
- operating range
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 208000032368 Device malfunction Diseases 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000003745 diagnosis Methods 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
- F02B47/04—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only
- F02B47/08—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
- F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/49—Detecting, diagnosing or indicating an abnormal function of the EGR system
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988039836U JPH01142558U (US20050075337A1-20050407-C00081.png) | 1988-03-25 | 1988-03-25 | |
| US07/327,551 US4974572A (en) | 1988-03-25 | 1989-03-23 | Apparatus for and method of diagnosing exhaust gas recirculation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988039836U JPH01142558U (US20050075337A1-20050407-C00081.png) | 1988-03-25 | 1988-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142558U true JPH01142558U (US20050075337A1-20050407-C00081.png) | 1989-09-29 |
Family
ID=12564051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988039836U Pending JPH01142558U (US20050075337A1-20050407-C00081.png) | 1988-03-25 | 1988-03-25 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4974572A (US20050075337A1-20050407-C00081.png) |
| JP (1) | JPH01142558U (US20050075337A1-20050407-C00081.png) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5243949A (en) * | 1991-08-22 | 1993-09-14 | Toyota Jidosha Kabushiki Kaisha | Diagnostic device for exhaust gas recirculation device |
| DE4213173C2 (de) * | 1992-04-22 | 2002-10-10 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Überprüfen der Funktionsfähigkeit eines einen Fluidstrom führenden Leitungssystems an einem Verbrennungsmotor |
| JPH0777110A (ja) * | 1993-09-03 | 1995-03-20 | Mitsubishi Motors Corp | 排気再循環システムの故障検出装置 |
| JP2922099B2 (ja) * | 1993-09-29 | 1999-07-19 | 三菱電機株式会社 | 排気ガス再循環装置の自己診断装置 |
| US5727533A (en) * | 1996-10-18 | 1998-03-17 | Ford Global Technologies, Inc. | Method and apparatus for monitoring EGR system flow |
| US6085732A (en) * | 1999-01-25 | 2000-07-11 | Cummins Engine Co Inc | EGR fault diagnostic system |
| US6446498B1 (en) * | 1999-06-30 | 2002-09-10 | Caterpillar Inc. | Method for determining a condition of an exhaust gas recirculation (EGR) system for an internal combustion engine |
| US6848434B2 (en) * | 2003-03-17 | 2005-02-01 | Cummins, Inc. | System for diagnosing operation of an EGR cooler |
| DE102007036258B4 (de) * | 2007-08-02 | 2019-01-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
| JP5902408B2 (ja) * | 2011-07-11 | 2016-04-13 | 日野自動車株式会社 | 排気ガス再循環量の異常検出方法及び装置 |
| US9109518B2 (en) * | 2012-05-23 | 2015-08-18 | GM Global Technology Operations LLC | Method and apparatus for monitoring performance of EGR heat exchanger |
| US9389144B2 (en) * | 2013-06-13 | 2016-07-12 | Hyundai Motor Company | Method for diagnosing EGR system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5194025A (US20050075337A1-20050407-C00081.png) * | 1975-02-14 | 1976-08-18 | ||
| US4793318A (en) * | 1986-11-26 | 1988-12-27 | Toyota Jidosha Kabushiki Kaisha | Diagnostic system for exhaust gas recirculation device |
| JPH07116995B2 (ja) * | 1987-04-10 | 1995-12-18 | 三菱自動車工業株式会社 | 排気還流装置の故障検出方法 |
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1988
- 1988-03-25 JP JP1988039836U patent/JPH01142558U/ja active Pending
-
1989
- 1989-03-23 US US07/327,551 patent/US4974572A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4974572A (en) | 1990-12-04 |
