DE69616269T2 - Vorrichtung und verfahren zur detektion eines lecks in einem verdampfungsemissionssteuerungssystem - Google Patents

Vorrichtung und verfahren zur detektion eines lecks in einem verdampfungsemissionssteuerungssystem

Info

Publication number
DE69616269T2
DE69616269T2 DE69616269T DE69616269T DE69616269T2 DE 69616269 T2 DE69616269 T2 DE 69616269T2 DE 69616269 T DE69616269 T DE 69616269T DE 69616269 T DE69616269 T DE 69616269T DE 69616269 T2 DE69616269 T2 DE 69616269T2
Authority
DE
Germany
Prior art keywords
leak
detecting
control system
emission control
evaporation emission
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 - Lifetime
Application number
DE69616269T
Other languages
English (en)
Other versions
DE69616269D1 (de
Inventor
J Remboski
L Plee
R Woznick
Francis Foley
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE69616269D1 publication Critical patent/DE69616269D1/de
Application granted granted Critical
Publication of DE69616269T2 publication Critical patent/DE69616269T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

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)
DE69616269T 1995-08-03 1996-06-12 Vorrichtung und verfahren zur detektion eines lecks in einem verdampfungsemissionssteuerungssystem Expired - Lifetime DE69616269T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/511,331 US5637788A (en) 1995-08-03 1995-08-03 Apparatus and method of detecting a leak in an evaporative emissions system
PCT/US1996/010131 WO1997006421A1 (en) 1995-08-03 1996-06-12 Apparatus and method of detecting a leak in an evaporative emissions system

Publications (2)

Publication Number Publication Date
DE69616269D1 DE69616269D1 (de) 2001-11-29
DE69616269T2 true DE69616269T2 (de) 2002-06-27

Family

ID=24034432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69616269T Expired - Lifetime DE69616269T2 (de) 1995-08-03 1996-06-12 Vorrichtung und verfahren zur detektion eines lecks in einem verdampfungsemissionssteuerungssystem

Country Status (4)

Country Link
US (1) US5637788A (de)
EP (1) EP0789836B1 (de)
DE (1) DE69616269T2 (de)
WO (1) WO1997006421A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011115630B4 (de) * 2010-10-01 2017-09-07 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Werkzeug zur diagnose eines grossen lecks für ein abgedichtetes kraftstoffsystem in einem fahrzeug
DE102020112715A1 (de) 2020-05-11 2021-11-11 Kautex Textron Gmbh & Co. Kg Verfahren und System zur Ermittlung des Verschlussstatus eines Kraftstofftankverschlusses

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SE509087C2 (sv) * 1997-04-30 1998-12-07 Volvo Ab Förfarande och anordning för täthetsmätning i ett tanksystem
DE19726559A1 (de) * 1997-06-23 1998-12-24 Bosch Gmbh Robert Diagnosemodul
US6016690A (en) * 1997-09-05 2000-01-25 Siemens Canada Limited Automotive evaporative emission leak detection system and method
US5884610A (en) * 1997-10-10 1999-03-23 General Motors Corporation Fuel reid vapor pressure estimation
JPH11303693A (ja) * 1998-04-17 1999-11-02 Nissan Motor Co Ltd 蒸発燃料処理装置の診断装置
JP3561650B2 (ja) * 1999-02-05 2004-09-02 本田技研工業株式会社 内燃機関の蒸発燃料処理装置
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US6530265B2 (en) * 1999-08-30 2003-03-11 Daimlerchrysler Corporation Small/gross leak check
US6382017B1 (en) * 1999-11-10 2002-05-07 Delphi Technologies, Inc. Evaporative emission leak detection method with vapor generation compensation
US6477890B1 (en) 2000-09-15 2002-11-12 K-Line Industries, Inc. Smoke-producing apparatus for detecting leaks
US6550316B1 (en) * 2001-10-01 2003-04-22 General Motors Corporation Engine off natural vacuum leakage check for onboard diagnostics
US6807847B2 (en) * 2002-02-21 2004-10-26 Delphi Technologies, Inc. Leak detection method for an evaporative emission system including a flexible fuel tank
US6742537B2 (en) * 2002-07-16 2004-06-01 Eaton Corporation Combination solenoid operated flow control and shut-off valve with pressure transducer
EP1816338A1 (de) * 2006-02-07 2007-08-08 Inergy Automotive Systems Research (SA) Verfahren zur Erkennung von Leckagen und zugehöriges Kraftstoffsystem
DE102006034076A1 (de) * 2006-07-24 2008-01-31 Robert Bosch Gmbh Verfahren zur Tankleckdiagnose in einer Tankentlüftungsvorrichtung
EP1946954A1 (de) * 2007-01-18 2008-07-23 Inergy Automotive Systems Research (SA) Verfahren und System zum Erkennen des Fehlens des Tankdeckels eines Fahrzeugs
KR20090073198A (ko) * 2006-10-25 2009-07-02 이너지 오토모티브 시스템즈 리서치 (소시에떼 아노님) 차량 연료 탱크의 캡 탈거 상황을 검출하는 방법 및 시스템
US20140334946A1 (en) * 2013-05-08 2014-11-13 Volvo Car Corporation Leakage detection system and method for fuel tank systems
US9091227B2 (en) 2013-07-18 2015-07-28 Ford Global Technologies, Llc Leak detection based on fuel level
KR101532485B1 (ko) * 2013-09-17 2015-06-30 코리아에프티 주식회사 차량용 캐니스터 검사장치
US9458801B2 (en) 2013-10-31 2016-10-04 Ford Global Technologies, Llc Fuel system leak check based on fuel reid vapor pressure
US9822737B2 (en) 2014-04-08 2017-11-21 Ford Global Technologies, Llc System and methods for a leak check module comprising a reversible vacuum pump
KR102379164B1 (ko) * 2014-07-29 2022-03-25 삼성전자주식회사 가스 내부누출 자동 검사 방법 및 led 칩 제조 방법
US9829370B2 (en) 2015-04-27 2017-11-28 Ford Global Technologies, Llc Methods and systems for fuel level indicators in a saddle fuel tank
US9677512B2 (en) 2015-04-29 2017-06-13 Ford Global Technologies, Llc Systems and methods for reducing bleed emissions
US10101238B2 (en) 2016-05-16 2018-10-16 General Electric Company Integrated ventilation and leak detection system and method of assembly
US10173520B1 (en) * 2017-09-29 2019-01-08 Nissan North America, Inc. Fuel cap detection system
CN107886593B (zh) * 2017-10-27 2020-11-10 西安交通大学 一种燃油箱蒸发排放泄漏诊断检测策略的计算方法
CN110230547B (zh) * 2019-05-27 2021-11-23 江苏大学 一种车载燃油泄漏检测方法及其检测系统
US11333570B1 (en) 2020-11-10 2022-05-17 Denso International America, Inc. Leak check strategies avoiding high vapor generation conditions

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US4905501A (en) * 1987-12-24 1990-03-06 Kabushiki Kaisha Nippon Automation Jig for leak check
US4993256A (en) * 1988-04-20 1991-02-19 Kabushiki Kaisha Fukuda Leakage test method and apparatus
US4854158A (en) * 1988-08-22 1989-08-08 Expertek, Inc. Method and apparatus for leak testing a fluid containing chamber
US5078006A (en) * 1990-08-30 1992-01-07 Vista Research, Inc. Methods for detection of leaks in pressurized pipeline systems
US5107698A (en) * 1991-04-05 1992-04-28 Leslie Gilliam Smoke generating apparatus and method for in situ vacuum leak detection
US5187974A (en) * 1991-08-29 1993-02-23 Snap-On Tools Corporation Vehicular pressure-testing apparatus
US5408866A (en) * 1992-11-25 1995-04-25 Nissan Motor Co., Ltd. Leak diagnosis system for evaporative emission control system
GB9302958D0 (en) * 1993-02-13 1993-03-31 Lucas Ind Plc Method of and apparatus for detecting fuel system leak

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011115630B4 (de) * 2010-10-01 2017-09-07 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Werkzeug zur diagnose eines grossen lecks für ein abgedichtetes kraftstoffsystem in einem fahrzeug
DE102020112715A1 (de) 2020-05-11 2021-11-11 Kautex Textron Gmbh & Co. Kg Verfahren und System zur Ermittlung des Verschlussstatus eines Kraftstofftankverschlusses

Also Published As

Publication number Publication date
US5637788A (en) 1997-06-10
EP0789836A1 (de) 1997-08-20
EP0789836B1 (de) 2001-10-24
WO1997006421A1 (en) 1997-02-20
DE69616269D1 (de) 2001-11-29
EP0789836A4 (de) 1998-12-16

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Legal Events

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Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8364 No opposition during term of opposition