WO2007136849A3 - Hydrogen-producing fuel processing systems with a liquid leak detection system - Google Patents

Hydrogen-producing fuel processing systems with a liquid leak detection system Download PDF

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Publication number
WO2007136849A3
WO2007136849A3 PCT/US2007/012123 US2007012123W WO2007136849A3 WO 2007136849 A3 WO2007136849 A3 WO 2007136849A3 US 2007012123 W US2007012123 W US 2007012123W WO 2007136849 A3 WO2007136849 A3 WO 2007136849A3
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
fuel processing
leak detection
systems
liquid leak
Prior art date
Application number
PCT/US2007/012123
Other languages
French (fr)
Other versions
WO2007136849A2 (en
Inventor
Clint A Beliveau
Scott C Elliot
Vernon Wade Popham
Original Assignee
Idatech Llc
Clint A Beliveau
Scott C Elliot
Vernon Wade Popham
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 Idatech Llc, Clint A Beliveau, Scott C Elliot, Vernon Wade Popham filed Critical Idatech Llc
Priority to MX2008014956A priority Critical patent/MX2008014956A/en
Priority to JP2009512080A priority patent/JP2009538266A/en
Priority to CA002684318A priority patent/CA2684318A1/en
Priority to EP07809126A priority patent/EP2038955A4/en
Publication of WO2007136849A2 publication Critical patent/WO2007136849A2/en
Publication of WO2007136849A3 publication Critical patent/WO2007136849A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
    • H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/04664—Failure or abnormal function
    • H01M8/04686—Failure or abnormal function of auxiliary devices, e.g. batteries, capacitors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04746—Pressure; Flow
    • H01M8/04753—Pressure; Flow of fuel cell reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04746—Pressure; Flow
    • H01M8/04776—Pressure; Flow at auxiliary devices, e.g. reformer, compressor, burner
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

Liquid leak detection systems (160), and fuel cell systems and hydrogen-producing fuel processing systems (10) containing the same. The liquid leak detection systems are adapted to detect liquid leaks from the fuel cell and/or fuel processing systems and to respond thereto, such as by interrupting the delivery of liquid reactants, by generating an alert, by transitioning the fuel processing system to a different operating state, and/or by shutting down the fuel processing and/or fuel cell system. The liquid leak detection systems may include a controller and at least one liquid detector, and in some embodiments may include a cover (180). In some embodiments, the liquid detector includes a signal emitter (166) and a signal detector (168). In some embodiments, the liquid detector includes at least a pair of spaced-apart conductive members that nominally define an open circuit. In some embodiments, the cover is adapted to repel water and/or includes conductive particulate.
PCT/US2007/012123 2006-05-22 2007-05-21 Hydrogen-producing fuel processing systems with a liquid leak detection system WO2007136849A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
MX2008014956A MX2008014956A (en) 2006-05-22 2007-05-21 Hydrogen-producing fuel processing systems with a liquid leak detection system.
JP2009512080A JP2009538266A (en) 2006-05-22 2007-05-21 Hydrogen-producing fuel processing apparatus equipped with a liquid leak detection device
CA002684318A CA2684318A1 (en) 2006-05-22 2007-05-21 Hydrogen-producing fuel processing systems with a liquid leak detection system
EP07809126A EP2038955A4 (en) 2006-05-22 2007-05-21 Hydrogen-producing fuel processing systems with a liquid leak detection system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80271506P 2006-05-22 2006-05-22
US60/802,715 2006-05-22
US11/750,833 US7629067B2 (en) 2006-05-22 2007-05-18 Hydrogen-producing fuel processing systems and fuel cell systems with a liquid leak detection system
US11/750,833 2007-05-18

Publications (2)

Publication Number Publication Date
WO2007136849A2 WO2007136849A2 (en) 2007-11-29
WO2007136849A3 true WO2007136849A3 (en) 2008-09-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/012123 WO2007136849A2 (en) 2006-05-22 2007-05-21 Hydrogen-producing fuel processing systems with a liquid leak detection system

Country Status (9)

Country Link
US (2) US7629067B2 (en)
EP (1) EP2038955A4 (en)
JP (1) JP2009538266A (en)
KR (1) KR20090014171A (en)
CA (1) CA2684318A1 (en)
MX (1) MX2008014956A (en)
MY (1) MY142653A (en)
TW (1) TW200805769A (en)
WO (1) WO2007136849A2 (en)

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US9064401B2 (en) * 2013-05-07 2015-06-23 Caterpillar Inc. Liquid natural gas cryogenic tank leak detection system
WO2016121952A1 (en) * 2015-01-29 2016-08-04 アラム株式会社 Liquid sensor
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US10859461B2 (en) * 2019-05-01 2020-12-08 Dell Products, L.P. Method and apparatus for digital leak detection in liquid-cooled information handling systems
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US11814027B2 (en) * 2022-02-04 2023-11-14 Toyota Motor Engineering & Manufacturing North America, Inc. Fuel reactant leak detection system and method of detecting fuel reactant leaks

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EP2038955A2 (en) 2009-03-25
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TW200805769A (en) 2008-01-16
WO2007136849A2 (en) 2007-11-29
EP2038955A4 (en) 2012-01-11
US7629067B2 (en) 2009-12-08
US8438907B2 (en) 2013-05-14
US20100081023A1 (en) 2010-04-01
KR20090014171A (en) 2009-02-06
MX2008014956A (en) 2008-12-09
JP2009538266A (en) 2009-11-05
CA2684318A1 (en) 2007-11-29

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