AU2001237167A1 - Leak detection in a closed vapor handling system using a pressure switch and time counter - Google Patents

Leak detection in a closed vapor handling system using a pressure switch and time counter

Info

Publication number
AU2001237167A1
AU2001237167A1 AU2001237167A AU3716701A AU2001237167A1 AU 2001237167 A1 AU2001237167 A1 AU 2001237167A1 AU 2001237167 A AU2001237167 A AU 2001237167A AU 3716701 A AU3716701 A AU 3716701A AU 2001237167 A1 AU2001237167 A1 AU 2001237167A1
Authority
AU
Australia
Prior art keywords
handling system
pressure switch
leak detection
time counter
closed vapor
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.)
Abandoned
Application number
AU2001237167A
Inventor
Laurent Fabre
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.)
Siemens Automotive Inc
Original Assignee
Siemens Automotive 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 Siemens Automotive Inc filed Critical Siemens Automotive Inc
Publication of AU2001237167A1 publication Critical patent/AU2001237167A1/en
Abandoned 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
    • 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)
  • Examining Or Testing Airtightness (AREA)
AU2001237167A 2000-02-22 2001-02-22 Leak detection in a closed vapor handling system using a pressure switch and time counter Abandoned AU2001237167A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18419300P 2000-02-22 2000-02-22
US60184193 2000-02-22
US09/789,449 US6722189B2 (en) 2000-02-22 2001-02-21 Leak detection in a closed vapor handling system using a pressure switch and time
US09789449 2001-02-21
PCT/CA2001/000225 WO2001063116A1 (en) 2000-02-22 2001-02-22 Leak detection in a closed vapor handling system using a pressure switch and time counter

Publications (1)

Publication Number Publication Date
AU2001237167A1 true AU2001237167A1 (en) 2001-09-03

Family

ID=26879898

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001237167A Abandoned AU2001237167A1 (en) 2000-02-22 2001-02-22 Leak detection in a closed vapor handling system using a pressure switch and time counter

Country Status (7)

Country Link
US (1) US6722189B2 (en)
EP (1) EP1257740B1 (en)
JP (1) JP2003524112A (en)
KR (1) KR100537656B1 (en)
AU (1) AU2001237167A1 (en)
DE (1) DE60125722T2 (en)
WO (1) WO2001063116A1 (en)

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DE10038539A1 (en) * 2000-08-03 2002-02-21 Bosch Gmbh Robert Method and device for energy-saving leak testing of a fuel tank system, in particular a motor vehicle
US7233845B2 (en) * 2003-03-21 2007-06-19 Siemens Canada Limited Method for determining vapor canister loading using temperature
US20040237945A1 (en) * 2003-03-21 2004-12-02 Andre Veinotte Evaporative emissions control and diagnostics module
US7131322B2 (en) * 2005-04-07 2006-11-07 Daimlerchrysler Corporation Vehicle evaporative system diagnostic
JP4757691B2 (en) * 2006-04-03 2011-08-24 株式会社 ハジメ Pipe leak inspection method
DE102006045678B4 (en) * 2006-09-27 2012-08-09 Continental Automotive Gmbh Method for checking a tank ventilation device, control device and internal combustion engine
DE102006056384B4 (en) * 2006-11-29 2016-06-23 Audi Ag Method for functional testing of a pressure switch of a tank ventilation system and control device
WO2008088800A1 (en) * 2007-01-16 2008-07-24 Mahle Powertrain, Llc Evaporative emission system test apparatus and method of testing
DE102008039300A1 (en) * 2008-08-22 2010-03-04 Audi Ag Fuel tank firmness testing method for use in internal combustion engine of motor vehicle, involves testing opening characteristics of pressure switch for diagnosing operability of pressure switch after turning off of combustion engine
GB2463478B (en) * 2008-09-12 2011-12-21 Ford Global Tech Llc A vacuum decay testing method
US8539938B2 (en) * 2009-03-12 2013-09-24 Ford Global Technologies, Llc Fuel systems and methods for controlling fuel systems in a vehicle with multiple fuel tanks
JP5518537B2 (en) * 2010-03-18 2014-06-11 株式会社ケーヒン Shut-off valve failure diagnosis device
US8843265B2 (en) * 2012-04-23 2014-09-23 Chrysler Group Llc Turbo-charged engine purge flow monitor diagnostic
US9476792B2 (en) 2012-05-10 2016-10-25 Mahle Powertrain, Llc Evaporative emissions leak tester and leak test method
US9322342B2 (en) * 2013-04-17 2016-04-26 Ford Global Technologies, Llc Hybrid vehicle fuel system leak detection
US10288013B2 (en) * 2016-04-11 2019-05-14 Ford Global Technologies, Llc Systems and methods for preventing fuel tank overfilling
US10934948B2 (en) * 2018-02-05 2021-03-02 Caterpillar Inc. System and method to determine failure of a gas shut off valve
CN108953131B (en) * 2018-07-11 2020-01-10 北汽福田汽车股份有限公司 Method and apparatus for detecting leakage in an electric vacuum pump system
JP7266242B2 (en) * 2019-06-12 2023-04-28 パナソニックＩｐマネジメント株式会社 Gas minute leak detector and gas minute leak detection system
CN114215664B (en) * 2021-12-24 2023-04-14 安徽江淮汽车集团股份有限公司 Method and system for diagnosing leakage of evaporation system for fuel vehicle
CN114783717A (en) * 2022-06-17 2022-07-22 山东奥新医疗科技有限公司 Magnetic resonance system and quench protection device of superconducting magnet thereof

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USRE32157E (en) * 1981-03-17 1986-05-27 Waugh Controls Corporation Flow meter prover apparatus and method
JP2666557B2 (en) 1990-10-15 1997-10-22 トヨタ自動車株式会社 Failure diagnosis device for evaporation purge system
DE4132055A1 (en) 1991-09-26 1993-04-01 Bosch Gmbh Robert METHOD AND DEVICE FOR TESTING THE FUNCTIONALITY OF A TANK BLEEDING SYSTEM
US5744701A (en) 1995-01-20 1998-04-28 The Toro Company Electronic liquid leak detector
US5295472A (en) * 1992-01-06 1994-03-22 Toyota Jidosha Kabushiki Kaisha Apparatus for detecting malfunction in evaporated fuel purge system used in internal combustion engine
US5490414A (en) 1992-08-21 1996-02-13 Mercedes-Benz Ag. Method for detecting leaks in a motor vehicle tank ventilation system
DE4227698C2 (en) * 1992-08-21 1996-08-01 Daimler Benz Ag Method for determining leaks in a motor vehicle tank ventilation system
DE4232148A1 (en) * 1992-09-25 1994-03-31 Bayerische Motoren Werke Ag Method for leak testing a tank system for motor vehicles
US5263462A (en) 1992-10-29 1993-11-23 General Motors Corporation System and method for detecting leaks in a vapor handling system
DE4238503C1 (en) 1992-11-14 1993-11-25 Roehm Guenter H Drill chuck
GB9302958D0 (en) 1993-02-13 1993-03-31 Lucas Ind Plc Method of and apparatus for detecting fuel system leak
FR2732072B1 (en) 1995-03-24 1997-05-09 Siemens Automotive Sa METHOD FOR DETECTING AN OVERPRESSURE IN A FUEL VAPOR RECOVERY SYSTEM FOR A MOTOR VEHICLE
JP3132344B2 (en) 1995-07-21 2001-02-05 三菱自動車工業株式会社 Failure diagnosis device for fuel evaporative emission control system
US5957115A (en) 1997-02-12 1999-09-28 Siemens Canada Limited Pulse interval leak detection system
US5967124A (en) * 1997-10-31 1999-10-19 Siemens Canada Ltd. Vapor leak detection system having a shared electromagnet coil for operating both pump and vent valve
EP1019691B1 (en) 1997-10-02 2001-12-12 Siemens Canada Limited Temperature correction method and subsystem for automotive evaporative leak detection systems
US6089081A (en) 1998-01-27 2000-07-18 Siemens Canada Limited Automotive evaporative leak detection system and method
US5988206A (en) 1998-03-12 1999-11-23 Honda Of America Mfg., Inc. Apparatus and method for testing leaks
DE19818697A1 (en) 1998-04-25 1999-10-28 Opel Adam Ag Method for determining leaks in the fuel supply system of a motor vehicle
US6073487A (en) 1998-08-10 2000-06-13 Chrysler Corporation Evaporative system leak detection for an evaporative emission control system
JP3516599B2 (en) 1998-11-16 2004-04-05 株式会社日立ユニシアオートモティブ Leak diagnosis device for evaporative fuel treatment equipment
US6164123A (en) 1999-07-06 2000-12-26 Ford Global Technologies, Inc. Fuel system leak detection
US6158270A (en) 1999-08-17 2000-12-12 Garman; Benjamin D. Method and apparatus for detecting vapor leakage

Also Published As

Publication number Publication date
EP1257740A1 (en) 2002-11-20
KR20020081581A (en) 2002-10-28
US20010022173A1 (en) 2001-09-20
DE60125722T2 (en) 2007-11-08
DE60125722D1 (en) 2007-02-15
JP2003524112A (en) 2003-08-12
EP1257740B1 (en) 2007-01-03
US6722189B2 (en) 2004-04-20
WO2001063116A1 (en) 2001-08-30
KR100537656B1 (en) 2005-12-19

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