ITMI951121A0 - Procedimento per identificare una valvola di scarico anermetica - Google Patents
Procedimento per identificare una valvola di scarico anermeticaInfo
- Publication number
- ITMI951121A0 ITMI951121A0 ITMI951121A ITMI951121A ITMI951121A0 IT MI951121 A0 ITMI951121 A0 IT MI951121A0 IT MI951121 A ITMI951121 A IT MI951121A IT MI951121 A ITMI951121 A IT MI951121A IT MI951121 A0 ITMI951121 A0 IT MI951121A0
- Authority
- IT
- Italy
- Prior art keywords
- identifying
- procedure
- exhaust valve
- leaky
- leaky exhaust
- Prior art date
Links
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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
- G01M15/046—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12 by monitoring revolutions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
-
- 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/18—DOHC [Double overhead camshaft]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1015—Engines misfires
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Gas After Treatment (AREA)
- Testing Of Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4420290A DE4420290A1 (de) | 1994-06-10 | 1994-06-10 | Verfahren zum Erkennen eines undichten Auslaßventils |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI951121A0 true ITMI951121A0 (it) | 1995-05-30 |
ITMI951121A1 ITMI951121A1 (it) | 1996-11-30 |
IT1275277B IT1275277B (it) | 1997-08-05 |
Family
ID=6520260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI951121A IT1275277B (it) | 1994-06-10 | 1995-05-30 | Procedimento per identificare una valvola di scarico anermetica |
Country Status (4)
Country | Link |
---|---|
US (1) | US5531100A (it) |
JP (1) | JPH07333109A (it) |
DE (1) | DE4420290A1 (it) |
IT (1) | IT1275277B (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19734680B4 (de) * | 1996-08-16 | 2008-09-04 | Conti Temic Microelectronic Gmbh | Verfahren zur zylinderselektiven Dichtigkeitsprüfung der Brennräume von Brennkraftmaschinen |
DE19955250B4 (de) * | 1999-11-17 | 2005-05-04 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Funktionsüberwachung einer variablen Zylinderverdichtung |
DE10025846B8 (de) | 2000-05-25 | 2007-09-20 | Conti Temic Microelectronic Gmbh | Verfahren zur zylinderselektiven Dichtigkeitsprüfung der Brennräume einer Brennkraftmaschine |
JP2002317678A (ja) * | 2001-02-16 | 2002-10-31 | Toyota Motor Corp | 内燃機関の排気系異常検出装置 |
JP3796523B2 (ja) * | 2001-10-12 | 2006-07-12 | 本田技研工業株式会社 | 内燃機関のインテークマニホルドの漏洩検出装置 |
US6684869B2 (en) | 2002-01-11 | 2004-02-03 | Ford Global Technologies, Llc | System and method for detecting an air leak in an engine |
US6568246B1 (en) | 2002-01-11 | 2003-05-27 | Ford Global Technologies, L.L.C. | System and method for detecting an air leak in an exhaust system coupled to an engine |
US7204132B2 (en) * | 2005-04-28 | 2007-04-17 | Ford Global Technologies, Llc | Method for determining valve degradation |
DE102009018081B4 (de) * | 2009-04-20 | 2011-01-13 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
DE102009020118B3 (de) * | 2009-05-06 | 2010-07-22 | Audi Ag | Verfahren zum Prüfen der Dichtigkeit von Auslassventilen einzelner Zylinder einer Brennkraftmaschine |
CN101666708B (zh) * | 2009-09-27 | 2012-02-08 | 浙江宇太汽车零部件制造有限公司 | 一种排气门摇臂的封油测试方法及其测试装置 |
RU2443989C2 (ru) * | 2010-05-19 | 2012-02-27 | Федеральное государственное образовательное учреждение высшего профессионального образования Новосибирский государственный аграрный университет | Способ оценки технического состояния двигателя внутреннего сгорания |
US10100770B2 (en) * | 2015-06-30 | 2018-10-16 | Ford Global Technologies, Llc | Systems and methods for on-board cylinder leakdown testing |
US10018133B2 (en) * | 2016-09-22 | 2018-07-10 | Ford Global Technologies, Llc | System and method to extend operating time of valve actuators of an internal combustion engine |
CN107655667A (zh) * | 2017-09-20 | 2018-02-02 | 河南工业大学 | 一种排气阀检测装置的自动控制*** |
US10288003B1 (en) * | 2017-10-27 | 2019-05-14 | General Electric Company | System and method of valve wear detection |
FR3083269B1 (fr) * | 2018-06-29 | 2020-06-05 | Continental Automotive France | Procede de diagnostic d'une baisse d'etancheite d'un cylindre de moteur a combustion interne |
CN110672276A (zh) * | 2019-09-12 | 2020-01-10 | 潍柴动力股份有限公司 | 一种车辆排气管路密封性检测方法及装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1701876A (en) * | 1927-03-29 | 1929-02-12 | Black & Decker Mfg Co | Overhead-valve-testing apparatus |
US2573646A (en) * | 1947-01-02 | 1951-10-30 | Eaton Mfg Co | Valve testing apparatus |
US3563084A (en) * | 1969-03-03 | 1971-02-16 | Gene P Shaffer | Vacuum valve testing device |
JPS5458108A (en) * | 1977-10-18 | 1979-05-10 | Toyota Central Res & Dev Lab Inc | Method and device for checking airtight part of engine |
AT374281B (de) * | 1979-12-19 | 1984-04-10 | List Hans | Einrichtung zur funktionspruefung von ventilen von kolbenmaschinen |
JPS56104107A (en) * | 1980-01-22 | 1981-08-19 | Toyota Motor Corp | Valve mode detector for internal combustion engine |
DE3128072A1 (de) * | 1980-11-08 | 1982-06-24 | Robert Bosch Gmbh, 7000 Stuttgart | Pruefstand zum pruefen von einspritzduesen |
AT397579B (de) * | 1982-05-12 | 1994-05-25 | List Hans | Einrichtung zur kontrolle des ventilspiels |
US4633707A (en) * | 1982-09-13 | 1987-01-06 | Jodon Engineering Associates, Inc. | Method and apparatus for measuring engine compression ratio, clearance volume and related cylinder parameters |
DE3917978C2 (de) * | 1989-06-02 | 1998-04-02 | Bosch Gmbh Robert | Verfahren zum Messen von Laufunruhe bei einer Brennkraftmaschine, und Verwendung der Verfahren zur Erkennung von Verbrennungsaussetzern |
FR2666411B1 (fr) * | 1990-08-29 | 1995-07-07 | Souriau & Cie | Procede et appareil pour determiner des caracteristiques de fonctionnement d'un moteur a explosion a alimentation independante des cylindres. |
JPH06221143A (ja) * | 1992-06-13 | 1994-08-09 | Aft Atlas Fahrzeugtechnik Gmbh | 排気導管の漏れを検出するための監視装置 |
US5417109A (en) * | 1993-09-30 | 1995-05-23 | Lucas Automation & Control Engineering, Inc. | Methods and apparatus for testing engines |
US5372036A (en) * | 1993-11-22 | 1994-12-13 | Ford Motor Company | Exhaust leak detection |
-
1994
- 1994-06-10 DE DE4420290A patent/DE4420290A1/de not_active Withdrawn
-
1995
- 1995-03-15 US US08/404,564 patent/US5531100A/en not_active Expired - Fee Related
- 1995-05-30 IT ITMI951121A patent/IT1275277B/it active IP Right Grant
- 1995-06-07 JP JP7140850A patent/JPH07333109A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5531100A (en) | 1996-07-02 |
JPH07333109A (ja) | 1995-12-22 |
DE4420290A1 (de) | 1995-12-14 |
IT1275277B (it) | 1997-08-05 |
ITMI951121A1 (it) | 1996-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |