FR2731467B1 - METHOD FOR DIAGNOSING THE OPERATION OF THE BLEEDING VALVE OF A FUEL VAPOR RECOVERY SYSTEM FOR A MOTOR VEHICLE - Google Patents

METHOD FOR DIAGNOSING THE OPERATION OF THE BLEEDING VALVE OF A FUEL VAPOR RECOVERY SYSTEM FOR A MOTOR VEHICLE

Info

Publication number
FR2731467B1
FR2731467B1 FR9502686A FR9502686A FR2731467B1 FR 2731467 B1 FR2731467 B1 FR 2731467B1 FR 9502686 A FR9502686 A FR 9502686A FR 9502686 A FR9502686 A FR 9502686A FR 2731467 B1 FR2731467 B1 FR 2731467B1
Authority
FR
France
Prior art keywords
diagnosing
motor vehicle
recovery system
fuel vapor
bleeding valve
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
FR9502686A
Other languages
French (fr)
Other versions
FR2731467A1 (en
Inventor
Dominique Salafia
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.)
Continental Automotive France SAS
Original Assignee
Siemens Automotive SA
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 Siemens Automotive SA filed Critical Siemens Automotive SA
Priority to FR9502686A priority Critical patent/FR2731467B1/en
Priority to PCT/EP1996/000643 priority patent/WO1996027738A1/en
Publication of FR2731467A1 publication Critical patent/FR2731467A1/en
Application granted granted Critical
Publication of FR2731467B1 publication Critical patent/FR2731467B1/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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0809—Judging failure of purge control system
    • F02M25/0818—Judging failure of purge control system having means for pressurising the evaporative emission space

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
FR9502686A 1995-03-06 1995-03-06 METHOD FOR DIAGNOSING THE OPERATION OF THE BLEEDING VALVE OF A FUEL VAPOR RECOVERY SYSTEM FOR A MOTOR VEHICLE Expired - Fee Related FR2731467B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9502686A FR2731467B1 (en) 1995-03-06 1995-03-06 METHOD FOR DIAGNOSING THE OPERATION OF THE BLEEDING VALVE OF A FUEL VAPOR RECOVERY SYSTEM FOR A MOTOR VEHICLE
PCT/EP1996/000643 WO1996027738A1 (en) 1995-03-06 1996-02-14 Method for diagnosing the operation of the drain valve of a fuel vapor recovery system for a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9502686A FR2731467B1 (en) 1995-03-06 1995-03-06 METHOD FOR DIAGNOSING THE OPERATION OF THE BLEEDING VALVE OF A FUEL VAPOR RECOVERY SYSTEM FOR A MOTOR VEHICLE

Publications (2)

Publication Number Publication Date
FR2731467A1 FR2731467A1 (en) 1996-09-13
FR2731467B1 true FR2731467B1 (en) 1997-04-18

Family

ID=9476850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9502686A Expired - Fee Related FR2731467B1 (en) 1995-03-06 1995-03-06 METHOD FOR DIAGNOSING THE OPERATION OF THE BLEEDING VALVE OF A FUEL VAPOR RECOVERY SYSTEM FOR A MOTOR VEHICLE

Country Status (2)

Country Link
FR (1) FR2731467B1 (en)
WO (1) WO1996027738A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6282945B1 (en) * 1999-12-16 2001-09-04 Siemens Automotive, Inc. Method and system for aggressive cycling of leak detection pump to ascertain vapor leak size
US6253598B1 (en) * 1999-12-16 2001-07-03 Siemens Automotive Inc. Method and system for predicting stabilized time duration of vapor leak detection pump strokes
DE10006186C1 (en) 2000-02-11 2001-06-13 Bosch Gmbh Robert Seal testing method for automobile fuel tank system, has measurement repeated when leak is indicated for verification before leakage signal is supplied
FR2827635B1 (en) 2001-07-20 2003-12-26 Siemens Automotive Sa METHOD AND DEVICE FOR DETECTING LEAKAGE IN A VEHICLE
DE10136183A1 (en) 2001-07-25 2003-02-20 Bosch Gmbh Robert Method for testing the operability of a motor vehicle fuel tank ventilation valve operates a control unit with a suction pipe connection
DE10161774A1 (en) * 2001-12-15 2003-01-23 Bayerische Motoren Werke Ag Functional checking system for fuel tank venting valve involves opening valve with air pump running, drawing conclusion re adequate valve functionality from change in required pump power
CN104884291B (en) 2012-12-21 2018-01-12 全耐塑料高级创新研究公司 Vehicle liquid containment system and method of verifying integrity of the system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124465C2 (en) * 1991-07-24 2002-11-14 Bosch Gmbh Robert Tank ventilation system and motor vehicle with such and method and device for checking the functionality of such
US5146902A (en) * 1991-12-02 1992-09-15 Siemens Automotive Limited Positive pressure canister purge system integrity confirmation
JP2741702B2 (en) * 1992-12-02 1998-04-22 本田技研工業株式会社 Evaporative fuel processor for internal combustion engines
US5411004A (en) * 1993-02-03 1995-05-02 Siemens Automotive Limited Positive pressure canister purge system integrity confirmation

Also Published As

Publication number Publication date
WO1996027738A1 (en) 1996-09-12
FR2731467A1 (en) 1996-09-13

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