ITMI951121A0 - Procedimento per identificare una valvola di scarico anermetica - Google Patents

Procedimento per identificare una valvola di scarico anermetica

Info

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
Application number
ITMI951121A
Other languages
English (en)
Inventor
Manfred Mezger
Klaus Ries-Mueller
Original Assignee
Bosch Gmbh Robert
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ITMI951121A0 publication Critical patent/ITMI951121A0/it
Publication of ITMI951121A1 publication Critical patent/ITMI951121A1/it
Application granted granted Critical
Publication of IT1275277B publication Critical patent/IT1275277B/it

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)
ITMI951121A 1994-06-10 1995-05-30 Procedimento per identificare una valvola di scarico anermetica IT1275277B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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