FR2741113B1 - METHOD AND DEVICE FOR DETECTING A LEAK IN A FUEL SUPPLY SYSTEM OF A HIGH PRESSURE INJECTION INTERNAL COMBUSTION ENGINE - Google Patents

METHOD AND DEVICE FOR DETECTING A LEAK IN A FUEL SUPPLY SYSTEM OF A HIGH PRESSURE INJECTION INTERNAL COMBUSTION ENGINE

Info

Publication number
FR2741113B1
FR2741113B1 FR9613655A FR9613655A FR2741113B1 FR 2741113 B1 FR2741113 B1 FR 2741113B1 FR 9613655 A FR9613655 A FR 9613655A FR 9613655 A FR9613655 A FR 9613655A FR 2741113 B1 FR2741113 B1 FR 2741113B1
Authority
FR
France
Prior art keywords
leak
detecting
combustion engine
internal combustion
high pressure
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
Application number
FR9613655A
Other languages
French (fr)
Other versions
FR2741113A1 (en
Inventor
Bernhard Bronkal
Juergen Biester
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Priority claimed from DE19622757A external-priority patent/DE19622757B4/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2741113A1 publication Critical patent/FR2741113A1/en
Application granted granted Critical
Publication of FR2741113B1 publication Critical patent/FR2741113B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • 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
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • 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
    • F02D2041/224—Diagnosis of the fuel system

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
FR9613655A 1995-11-09 1996-11-08 METHOD AND DEVICE FOR DETECTING A LEAK IN A FUEL SUPPLY SYSTEM OF A HIGH PRESSURE INJECTION INTERNAL COMBUSTION ENGINE Expired - Fee Related FR2741113B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19541775 1995-11-09
DE19622757A DE19622757B4 (en) 1995-11-09 1996-06-07 Method and device for detecting a leak in a fuel supply system of a high-pressure injection internal combustion engine

Publications (2)

Publication Number Publication Date
FR2741113A1 FR2741113A1 (en) 1997-05-16
FR2741113B1 true FR2741113B1 (en) 1998-01-23

Family

ID=26020218

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613655A Expired - Fee Related FR2741113B1 (en) 1995-11-09 1996-11-08 METHOD AND DEVICE FOR DETECTING A LEAK IN A FUEL SUPPLY SYSTEM OF A HIGH PRESSURE INJECTION INTERNAL COMBUSTION ENGINE

Country Status (3)

Country Link
JP (1) JP3995118B2 (en)
FR (1) FR2741113B1 (en)
GB (1) GB2310458B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856203C2 (en) * 1998-12-05 2001-12-06 Bosch Gmbh Robert Fuel supply system for an internal combustion engine, in particular of a motor vehicle
DE10005208A1 (en) * 2000-02-05 2001-08-16 Bosch Gmbh Robert Process for adapting the maximum injection pressure in a high pressure accumulator
GB2366598A (en) * 2000-09-07 2002-03-13 Cummins Engine Co Ltd Detecting leakage in the fuel rail of an i.c. engine
JP2002115622A (en) 2000-10-12 2002-04-19 Toyota Motor Corp High pressure fuel supply device
US7392792B2 (en) * 2006-08-21 2008-07-01 Caterpillar Inc. System for dynamically detecting fuel leakage
US20090139488A1 (en) * 2007-11-30 2009-06-04 Caterpillar Inc. Diagnostic system for high pressure fuel system
JP2009197756A (en) * 2008-02-25 2009-09-03 Honda Motor Co Ltd Abnormality decision device for common-rail system
US7762234B2 (en) * 2008-04-22 2010-07-27 Ford Global Technologies, Llc Fuel delivery system diagnostics after shut-down
US7987704B2 (en) * 2009-05-21 2011-08-02 GM Global Technology Operations LLC Fuel system diagnostic systems and methods
DE102011087266A1 (en) * 2011-11-29 2013-05-29 Robert Bosch Gmbh Fuel delivery device for a fuel injection system and fuel injection system
US9683511B2 (en) 2015-05-14 2017-06-20 Ford Global Technologies, Llc Method and system for supplying fuel to an engine
JP2016217263A (en) * 2015-05-21 2016-12-22 スズキ株式会社 Controller for internal combustion engine
US9689341B2 (en) 2015-06-08 2017-06-27 Ford Global Technologies, Llc Method and system for fuel system control
CN105863920B (en) * 2016-03-31 2018-06-26 江苏大学 A kind of high-pressure natural gas injector caliberating device and its method
WO2019132867A1 (en) 2017-12-27 2019-07-04 Cummins Inc. System and method for identifying a source of high pressure leakage
US10519890B2 (en) 2018-03-26 2019-12-31 Ford Global Technologies, Llc Engine parameter sampling and control method
CN114592984B (en) * 2022-03-14 2023-08-18 潍柴动力股份有限公司 Rail pressure sensor verification method, device and equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079366B (en) * 1980-07-03 1984-03-28 Lucas Industries Ltd Fuel system for compression ignition engines
JPS6294728A (en) * 1985-10-18 1987-05-01 Hitachi Ltd Automatic control device for burner
JP3147460B2 (en) * 1991-04-26 2001-03-19 株式会社デンソー Fuel injection device for internal combustion engine
JP3191388B2 (en) * 1992-03-27 2001-07-23 株式会社デンソー Accumulation type fuel supply system for diesel engine
JP3345933B2 (en) * 1993-01-19 2002-11-18 株式会社デンソー Accumulator type fuel injection device
DE19513158A1 (en) * 1995-04-07 1996-10-10 Bosch Gmbh Robert Device for detecting a leak in a fuel supply system

Also Published As

Publication number Publication date
GB9623407D0 (en) 1997-01-08
JP3995118B2 (en) 2007-10-24
FR2741113A1 (en) 1997-05-16
GB2310458B (en) 1998-01-14
GB2310458A (en) 1997-08-27
JPH09170518A (en) 1997-06-30

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090731