SE0801374L - Metod och system för diagnostisering av gasläckage i ett gasdrivet fordon - Google Patents

Metod och system för diagnostisering av gasläckage i ett gasdrivet fordon

Info

Publication number
SE0801374L
SE0801374L SE0801374A SE0801374A SE0801374L SE 0801374 L SE0801374 L SE 0801374L SE 0801374 A SE0801374 A SE 0801374A SE 0801374 A SE0801374 A SE 0801374A SE 0801374 L SE0801374 L SE 0801374L
Authority
SE
Sweden
Prior art keywords
pressure
gas
low
pressure valve
leakage
Prior art date
Application number
SE0801374A
Other languages
English (en)
Other versions
SE532523C2 (sv
Inventor
Bjoern Malmgren
Andreas Johansson
Alexander Lindvall
Folke Fritzson
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE0801374A priority Critical patent/SE532523C2/sv
Priority to EP09762756.6A priority patent/EP2291627B1/en
Priority to PCT/SE2009/050698 priority patent/WO2009151387A1/en
Publication of SE0801374L publication Critical patent/SE0801374L/sv
Publication of SE532523C2 publication Critical patent/SE532523C2/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/025—Failure diagnosis or prevention; Safety measures; Testing
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • 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
    • 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
    • F02M65/006—Measuring or detecting fuel leakage of fuel injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/007—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/025—Details with respect to the testing of engines or engine parts
    • 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
    • F02D2041/225—Leakage detection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2400/00—Pretreatment and supply of gaseous fuel
    • F23K2400/20—Supply line arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/05001—Control or safety devices in gaseous or liquid fuel supply lines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Examining Or Testing Airtightness (AREA)
SE0801374A 2008-06-12 2008-06-12 Metod och system för diagnostisering av gasläckage i ett gasdrivet fordon SE532523C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0801374A SE532523C2 (sv) 2008-06-12 2008-06-12 Metod och system för diagnostisering av gasläckage i ett gasdrivet fordon
EP09762756.6A EP2291627B1 (en) 2008-06-12 2009-06-10 Method and system for diagnosis of gas leakage in a gas-powered vehicle
PCT/SE2009/050698 WO2009151387A1 (en) 2008-06-12 2009-06-10 Method and system for diagnosis of gas leakage in a gas-powered vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0801374A SE532523C2 (sv) 2008-06-12 2008-06-12 Metod och system för diagnostisering av gasläckage i ett gasdrivet fordon

Publications (2)

Publication Number Publication Date
SE0801374L true SE0801374L (sv) 2009-12-13
SE532523C2 SE532523C2 (sv) 2010-02-16

Family

ID=41416938

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0801374A SE532523C2 (sv) 2008-06-12 2008-06-12 Metod och system för diagnostisering av gasläckage i ett gasdrivet fordon

Country Status (3)

Country Link
EP (1) EP2291627B1 (sv)
SE (1) SE532523C2 (sv)
WO (1) WO2009151387A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8855898B2 (en) 2011-04-29 2014-10-07 GM Global Technology Operations LLC Systems and methods to diagnose valve leakage in a vehicle
CN103424232B (zh) * 2012-05-21 2015-10-14 广西大学 一种车载油气回收装置控制阀燃油泄漏检测装置
JP6045424B2 (ja) * 2013-03-29 2016-12-14 三菱重工業株式会社 ガス内燃機関の始動装置
DE102015223020A1 (de) 2015-11-23 2017-05-24 Robert Bosch Gmbh Leckageüberwachung eines Brennstoffzellensystems
DE102015225600A1 (de) * 2015-12-17 2017-06-22 Robert Bosch Gmbh Verfahren zur Diagnose einer Leckage sowie Brennstoffzellensystem
JP7477953B2 (ja) * 2019-10-03 2024-05-02 大陽日酸株式会社 水素ステーションの気密試験方法
CN112781792A (zh) * 2019-11-06 2021-05-11 中国石油化工股份有限公司 阀门内漏模拟试验装置及方法
CN112781860A (zh) * 2019-11-06 2021-05-11 中国石油化工股份有限公司 阀门内漏气液两相模拟试验装置及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099158B (en) * 1981-04-14 1985-02-27 Stelrad Group Ltd Gas flow control apparatus
DE3445281A1 (de) * 1984-12-12 1986-06-19 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren und vorrichtung zur dichtigkeitspruefung zweier absperrventile in einer gasdurchstroemten leitung
DE19831067C2 (de) * 1998-07-10 2000-05-31 Honeywell Bv Verfahren zur Dichtheitsprüfung von Gasventilen
JP3864875B2 (ja) * 2002-09-02 2007-01-10 日産自動車株式会社 供給開閉弁の故障診断システム
JP4085793B2 (ja) * 2002-11-22 2008-05-14 トヨタ自動車株式会社 流体の漏れの検出装置
JP4788989B2 (ja) * 2004-01-07 2011-10-05 トヨタ自動車株式会社 燃料電池システム
DE112005000589B8 (de) * 2004-03-17 2017-07-13 Toyota Jidosha Kabushiki Kaisha Gasaustritts-Erfassungsverfahren für ein Brennstoffzellensystem und Vorrichtung dafür
US7127937B1 (en) * 2005-06-01 2006-10-31 Gm Global Technology Operations, Inc. Method for leak detection in gas feeding systems with redundant valves
KR100706370B1 (ko) * 2005-08-30 2007-04-10 현대자동차주식회사 Ｌｐｉ 차량에서의 비상시 연료차단을 위한 연료시스템제어방법
DE102006005863B4 (de) * 2006-02-09 2015-04-30 Robert Bosch Gmbh Verfahren zur Diagnose einer Abgasbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
SE532523C2 (sv) 2010-02-16
EP2291627A1 (en) 2011-03-09
EP2291627B1 (en) 2018-11-14
EP2291627A4 (en) 2017-03-22
WO2009151387A1 (en) 2009-12-17

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