FR2731047B1 - METHOD FOR DIAGNOSING THE OPERATION OF A FUEL VAPOR RECOVERY SYSTEM OF A MOTOR VEHICLE - Google Patents

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

Info

Publication number
FR2731047B1
FR2731047B1 FR9502459A FR9502459A FR2731047B1 FR 2731047 B1 FR2731047 B1 FR 2731047B1 FR 9502459 A FR9502459 A FR 9502459A FR 9502459 A FR9502459 A FR 9502459A FR 2731047 B1 FR2731047 B1 FR 2731047B1
Authority
FR
France
Prior art keywords
diagnosing
motor vehicle
recovery system
fuel vapor
vapor recovery
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
FR9502459A
Other languages
French (fr)
Other versions
FR2731047A1 (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 FR9502459A priority Critical patent/FR2731047B1/en
Priority to PCT/EP1996/000642 priority patent/WO1996027080A1/en
Publication of FR2731047A1 publication Critical patent/FR2731047A1/en
Application granted granted Critical
Publication of FR2731047B1 publication Critical patent/FR2731047B1/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
    • 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
    • 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)
FR9502459A 1995-02-28 1995-02-28 METHOD FOR DIAGNOSING THE OPERATION OF A FUEL VAPOR RECOVERY SYSTEM OF A MOTOR VEHICLE Expired - Fee Related FR2731047B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9502459A FR2731047B1 (en) 1995-02-28 1995-02-28 METHOD FOR DIAGNOSING THE OPERATION OF A FUEL VAPOR RECOVERY SYSTEM OF A MOTOR VEHICLE
PCT/EP1996/000642 WO1996027080A1 (en) 1995-02-28 1996-02-14 Method for diagnosing motor vehicle fuel vapour recovery system operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9502459A FR2731047B1 (en) 1995-02-28 1995-02-28 METHOD FOR DIAGNOSING THE OPERATION OF A FUEL VAPOR RECOVERY SYSTEM OF A MOTOR VEHICLE

Publications (2)

Publication Number Publication Date
FR2731047A1 FR2731047A1 (en) 1996-08-30
FR2731047B1 true FR2731047B1 (en) 1997-04-18

Family

ID=9476684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9502459A Expired - Fee Related FR2731047B1 (en) 1995-02-28 1995-02-28 METHOD FOR DIAGNOSING THE OPERATION OF A FUEL VAPOR RECOVERY SYSTEM OF A MOTOR VEHICLE

Country Status (2)

Country Link
FR (1) FR2731047B1 (en)
WO (1) WO1996027080A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109401A1 (en) * 1991-03-22 1992-09-24 Bosch Gmbh Robert METHOD AND DEVICE FOR TANK BLEEDING
FR2681098B1 (en) * 1991-09-10 1995-05-05 Siemens Automotive Sa METHOD AND DEVICE FOR VERIFYING THE OPERATING STATE OF A VAPOR RECOVERY SYSTEM FROM THE FUEL TANK OF A MOTOR VEHICLE WITH INTERNAL COMBUSTION ENGINE.
DE4132055A1 (en) * 1991-09-26 1993-04-01 Bosch Gmbh Robert METHOD AND DEVICE FOR TESTING THE FUNCTIONALITY OF A TANK BLEEDING SYSTEM
US5297529A (en) * 1993-01-27 1994-03-29 Siemens Automotive Limited Positive pressure canister purge system integrity confirmation

Also Published As

Publication number Publication date
FR2731047A1 (en) 1996-08-30
WO1996027080A1 (en) 1996-09-06

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