WO2007102297A1 - バルブ、バルブ制御装置及び燃料電池システム - Google Patents

バルブ、バルブ制御装置及び燃料電池システム Download PDF

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Publication number
WO2007102297A1
WO2007102297A1 PCT/JP2007/052438 JP2007052438W WO2007102297A1 WO 2007102297 A1 WO2007102297 A1 WO 2007102297A1 JP 2007052438 W JP2007052438 W JP 2007052438W WO 2007102297 A1 WO2007102297 A1 WO 2007102297A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
tank
fuel cell
flow rate
gas
Prior art date
Application number
PCT/JP2007/052438
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Masahiro Takeshita
Tsukuo Ishitoya
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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 Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to DE112007000513T priority Critical patent/DE112007000513T5/de
Priority to US12/223,484 priority patent/US20090014089A1/en
Publication of WO2007102297A1 publication Critical patent/WO2007102297A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/30—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers
    • F16K1/304—Shut-off valves with additional means
    • F16K1/305—Shut-off valves with additional means with valve member and actuator on the same side of the seat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0648—One-way valve the armature and the valve member forming one element
    • 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
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04228—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during shut-down
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0619—Single wall with two layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0305—Bosses, e.g. boss collars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0311—Closure means
    • F17C2205/0317—Closure means fusing or melting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0326—Valves electrically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
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    • F17C2205/0332—Safety valves or pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
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    • F17C2205/0323—Valves
    • F17C2205/0335—Check-valves or non-return valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0338—Pressure regulators
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    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0391—Arrangement of valves, regulators, filters inside the pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
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    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0636—Flow or movement of content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/015—Facilitating maintenance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/018—Adapting dimensions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0173—Railways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use
    • F17C2270/0518—Semiconductors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0763—Fuel cells
    • 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
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • 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
    • H01M8/0432—Temperature; Ambient temperature
    • 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
    • H01M8/0438—Pressure; Ambient pressure; Flow
    • 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
    • Y02E60/32—Hydrogen storage
    • 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

Definitions

  • the present invention relates to a valve configured to be able to adjust a flow rate of a fluid to a secondary side, a pulp control device for the valve, and a fuel cell system including the valve.
  • An object of the present invention is to provide a valve capable of accurately adjusting the flow rate of fluid discharged to the outside of a tank, a valve control device for the pulp, and a fuel cell system including the valve.
  • the valve of the present invention for achieving the above object is configured to be able to adjust the flow rate of the fluid to the secondary side, and is provided in the tank so that the secondary side becomes the fluid discharge side from the tank. .
  • the valve then releases the fluid from the tank.
  • the amount can be adjusted by duty control.
  • the pulp in which the fluid flow rate can be adjusted by duty control is provided in the tank, so that the fluid discharge flow rate to the outside of the tank can be accurately adjusted.
  • valve As a configuration in which the valve is provided in the tank, for example, a configuration in which the valve is disposed inside the tank, a configuration in which the valve is directly or indirectly attached to the component of the tank and disposed outside the tank, or It is possible to adopt a configuration in which a part of the valve is disposed inside the tank and the other part of the valve is disposed outside the tank.
  • a valve may be attached to a tank base, or a valve and other valves may be configured as a valve assembly, and the pulp assembly is attached to the tank base. You may install it by screwing.
  • the valve of the present invention has a flow rate adjusting mechanism for adjusting the discharge flow rate by duty control.
  • the flow rate adjustment mechanism should be configured to be able to block the release of fluid from the tank.
  • the valve can also function as a shut-off valve.
  • the flow rate adjusting mechanism can include a valve body, a valve seat that can be separated from and attached to the valve body, and a solenoid that moves the valve body in the direction of separation and connection with respect to the valve seat.
  • the axial direction of the valve usually coincides with the direction of separation of the valve body.
  • the valve seat has elasticity more than the valve base or the valve body. In this way, the function as a pulp shut-off valve can be enhanced.
  • the norp preferably has a configuration in which the valve body comes into contact with the valve seat by the pressure of the tank (primary pressure) to block outflow of fluid.
  • the axis of the valve and the axis of the tank are substantially parallel or coincident.
  • the valve can be configured to be easy to self-clean.
  • a valve When configured as described above, it is possible to discharge contamination such as abrasion powder that may occur during the movement of the valve body to the secondary side by the flow of fluid from the primary side to the secondary side. Become.
  • the valve tends to have a longer length in the axial direction as a whole. For this reason, when the axial direction of the pulp is matched with the axial direction of the tank, the overall length of the pulp and the tank tends to be long.
  • the valve of the present invention is positioned outside the tank body, and the valve axis and the tank axis are substantially perpendicular to each other. There may be.
  • the tank may be provided with a main stop valve separate from the pulp.
  • the main stop valve should be located on the primary side of the valve.
  • the fluid pressure acting on the pulp can be suppressed by closing the main stop valve. Fail safe can also be achieved.
  • the main stop valve is located inside the tank with respect to the tank base, and the valve is located outside the body of the tank.
  • a valve control device of the present invention performs duty control on the above-described valve of the present invention.
  • a fuel cell system of the present invention includes the above-described valve and tank of the present invention, and a fuel cell to which oxidizing gas and fuel gas are supplied.
  • the fluid in the tank is fuel gas.
  • the fuel gas whose discharge flow rate is adjusted by the valve is supplied to the fuel cell.
  • the desired fuel gas can be supplied from the tank with high responsiveness in accordance with the fuel gas consumption in the fuel cell.
  • Another fuel cell system of the present invention is located on the primary side of the valve of the above-described pub of the present invention, a tank storing fuel gas, a fuel cell supplied with fuel gas from the tank, and a valve. And a main stop valve provided in the tank. The main stop valve is closed when the fuel cell system is stopped.
  • FIG. 1 is a configuration diagram of a fuel cell system according to the first embodiment.
  • FIG. 2 is a cross-sectional view showing the structure of the valve and tank according to the first embodiment.
  • FIG. 3 is a cross-sectional view showing the structure of the valve and tank according to the second embodiment.
  • a valve that is duty controlled is provided in a tank so that the flow rate of the fuel gas discharged to the outside of the tank is adjusted.
  • an injector will be described as an example of a valve that is duty controlled.
  • the fuel cell system 1 includes a fuel cell 2, an oxidizing gas piping system 3 that supplies air (oxygen) as an oxidizing gas to the fuel cell 2, and hydrogen gas as a fuel gas.
  • a fuel gas piping system 4 to be supplied to the fuel cell 2 and a control device 7 for controlling the entire system are provided.
  • the fuel cell 2 is composed of, for example, a solid polymer electrolyte type and has a large number of single cells. It has a layered stack structure.
  • the single cell of the fuel cell 2 has an air electrode on one surface of an electrolyte made of an ion exchange membrane and a fuel electrode on the other surface. Furthermore, the single cell has a pair of separators so as to sandwich the air electrode and the fuel electrode from both sides.
  • the fuel gas is supplied to the fuel gas flow path of one separator, and the oxygen gas is supplied to the oxidizing gas flow path of the other separator, and the fuel cell 2 generates electric power by this gas supply.
  • the oxidizing gas piping system 3 has a supply path 11 1 through which oxidizing gas supplied to the fuel cell 2 flows, and a discharge path 12 through which oxidizing off-gas discharged from the fuel cell 2 flows.
  • the supply path 11 is provided with a compressor 14 that takes in the oxidizing gas through the filter 13 and a humidifier 15 that humidifies the oxidizing gas fed by the compressor 14.
  • Oxidized off-gas flowing through the discharge path 1 2 passes through the back pressure regulating valve 16 and is used for moisture exchange in the humidifier 15, and is finally exhausted into the atmosphere outside the system as exhaust gas.
  • the fuel gas piping system 4 includes a hydrogen tank 21 as a fuel supply source, a supply path 2 2 through which hydrogen gas supplied from the hydrogen tank 21 to the fuel cell 2 flows, and a hydrogen off-gas discharged from the fuel cell 2. (Fuel off-gas) is returned to the confluence A of the supply path 22 and the circulation path 2 3, the permanent off-gas in the circulation path 2 3 is pumped to the supply path 2 2, and the circulation path 2 3 And a discharge path 25 and 5 connected to each other.
  • a hydrogen tank 21 as a fuel supply source
  • a supply path 2 2 through which hydrogen gas supplied from the hydrogen tank 21 to the fuel cell 2 flows
  • a hydrogen off-gas discharged from the fuel cell 2. (Fuel off-gas) is returned to the confluence A of the supply path 22 and the circulation path 2 3, the permanent off-gas in the circulation path 2 3 is pumped to the supply path 2 2, and the circulation path 2 3 And a discharge path 25 and 5 connected to each other.
  • the hydrogen tank 21 is configured to be capable of storing, for example, 35 MPa or 70 MPa of hydrogen gas.
  • the main stop valve 2 6 of the hydrogen tank 2 1 When the main stop valve 2 6 of the hydrogen tank 2 1 is opened, hydrogen gas flows out into the supply path 2 2. Thereafter, after the flow rate and pressure of the hydrogen gas are adjusted by the indicator 29, the hydrogen gas is finally further reduced to, for example, about 200 kPa by a pressure reducing valve including a mechanical pressure regulating valve 27. Supplied to the fuel cell 2.
  • the main stop valve 2 6 and the injector 29 are assembled in the dotted frame 30 in FIG. 1, and the valve assembly 30 is water. It is connected to the elementary tongue 2 1 (details will be described later).
  • a shutoff valve 28 is provided on the upstream side of the confluence A of the supply path 22.
  • the downstream flow path at the confluence point A of the supply path 22, the fuel gas flow path formed in the separator of the fuel cell 2, and the circulation path 23 are connected in order. It consists of
  • the purge valve 3 3 on the discharge path 25 is appropriately opened when the fuel cell system 1 is operating, impurities in the hydrogen off-gas are discharged together with the hydrogen off-gas to a hydrogen diluter (not shown).
  • the purge valve 3 3 By opening the purge valve 3 3, the concentration of impurities in the hydrogen off-gas in the circuit 2 3 decreases and the hydrogen concentration in the circulated hydrogen off-gas increases.
  • the control device 7 is configured as a microcomputer provided with CPU, ROM, and RAM inside.
  • C PU performs a desired calculation according to the control program and performs various processes and controls such as the flow control of the indicator 29.
  • R O M stores a control program and control data to be processed by CPU.
  • the RAM is mainly used as various work areas for control processing.
  • the control device 7 inputs detection signals from various pressure sensors and temperature sensors used in the gas system (3, 4) and a refrigerant system (not shown), and outputs a control signal to each component. As will be described later, the control device 7 functions as a valve control device for controlling the duty of the injector 29.
  • FIG. 2 is a cross-sectional view around the injector 29 provided in the hydrogen tank 21.
  • the hydrogen tank 21 is composed of a sealed circular tank body 10 0 1 constituting the body of the hydrogen tank 21 1, and a base portion 1 0 2 located at one end in the longitudinal direction of the tank body 1 0 1. I have.
  • the inside of the tank body 10 1 is a storage space 10 4 for storing hydrogen gas at high pressure.
  • the tank body 2 has an inner resin liner 10 7 having gas barrier properties, and a shell 1 0 covering the outside of the resin liner 1 0 7 8 and the two-layer structure.
  • Shell 1 0 8 consists of FRP.
  • the base part 10 2 (mouth part) is made of a metal such as stainless steel, for example, and is provided at the center of the spherical end wall part of the tank body 10 1.
  • the pulp assembly 30 is formed on the inner peripheral surface of the base portion 10 2 and is configured to be screwed into the base portion 10 2 through a screw.
  • Pulp assembly 3 0 inside and outside hydrogen tank 2 1! Is provided, and constitutes the gas discharge part in the water tank 21.
  • the valve assembly 30 includes, for example, a single housing 300, and the main stop valve 26 and the indicator engine 29 are incorporated in series in the housing 30.
  • the housing 300 has a main stop valve 26 incorporated in the first region 30 01 inserted into the hydrogen tank 21 and a second region exposed outside the hydrogen tank 21.
  • the indicator 29 is incorporated in the area 30 2.
  • the housing 300 is made of a metal such as SUS or aluminum.
  • the injector 29 and the main stop valve 26, which are the main parts of the present invention, are mainly shown.
  • the housing 30 is provided with a safety valve (relief valve, melted valve). Other pulps such as stopper valves and check valves may be provided.
  • the housing 300 is usually formed with a hydrogen gas filling passage (not shown). Further, the knowing 300 may be configured by a single member or a combination of a plurality of members.
  • the housing 300 also serves as the body (base) of the main stop valve 26 and the indicator 29, but the main stop valve 26 and the body of the injector 29 are formed separately, and the respective bodies Can be assembled to the housing 300.
  • An in-valve channel 3 10 that connects the storage space 10 4 and the external supply channel 2 2 is formed in the housing 3 0.
  • the pulp internal flow path 3 10 is configured by connecting the first flow path 3 11, the second flow path 3 1 2, and the third flow path 3 1 3 in order from the storage space 10 4 side. Between the first flow path 3 1 1 and the second flow path 3 1 2 It is communicated or blocked by valve 26.
  • the second flow path 3 1 2 constitutes the primary flow path of the injector 29.
  • the third flow path 3 1 3 constitutes a secondary flow path of the indicator 29 and is connected to the external supply path 22.
  • the main stop valve 26 (open / close valve) functions as a main valve for the hydrogen tank 21, and shuts off the flow of fluid (hydrogen gas) from the hydrogen tank 21 to the supply path 22.
  • the main stop valve 26 is a solenoid valve type shut-off valve.
  • the valve stem 3 2 1 movable element
  • the valve body 3 2 2 'at the tip of the valve stem 3 2 1 When contacted with 3, the valve flow path 3 1 0 is shut off.
  • the valve rod 3 2 1 is retracted in the axial direction due to demagnetization of the solenoid and the valve body 3 2 2 is separated from the valve seat 3 2 3, the outflow of hydrogen gas from the storage space 10 4 is allowed.
  • the axial direction X—X of the valve stem 3 2 1 and the valve body 3 2 2 coincides with the axial direction of the hydrogen tank 2 1.
  • the axial direction of the main stop valve 26 means the moving direction of the valve body 3 2 2, and in this case, corresponds to the axial direction X—X of the valve body 3 2 2.
  • the indicator 29 is located outside the outer peripheral surface of the tank body 10 1 and is electrically connected to the control device 7.
  • the indicator 29 can adjust the flow rate and pressure of hydrogen gas by driving the valve body 40 1 directly with a predetermined driving cycle with an electromagnetic driving force and separating it from the valve seat 40 2. This is an electromagnetically driven on-off valve.
  • the indicator 29 can control the drive cycle of the valve body 41 to a highly responsive region, and therefore has higher responsiveness than a mechanical pressure regulating valve.
  • the engineer 29 has a flow rate adjusting mechanism 29 0 which can adjust the flow rate and pressure of hydrogen gas to the secondary side.
  • the flow rate adjusting mechanism 29 0 is roughly composed of a main valve portion 4 1 0 and a solenoid portion 4 2 0.
  • the main valve part 4 1 0 and the solenoid part 4 2 0 are provided in the second region 3 0 2 of the housing 3 0 0, and the discharge flow rate of hydrogen gas from the hydrogen tank 2 1 is controlled by duty control. Adjust more.
  • the main valve section ⁇ 4 1 0 is composed of the valve body 4 0 1 and the valve seat 4 0 2 described above.
  • the valve body 4 0 1 is of a poppet type and is made of metal.
  • the axial direction Y—Y of the valve body 4 0 1 is orthogonal to the axial direction X—X of the hydrogen tank 2 1.
  • the axial direction of the injector 26 means the moving direction of the valve body 4 0 1, and in this case, corresponds to the axial direction Y—Y of the valve body 4 0 1.
  • the valve seat 4 0 2 is made of an annular resin member having a sealing property and a pressure resistance, and has a higher elastic modulus than the nosing 3 0 0 (substrate).
  • the center of the valve seat 4 0 2 is open and functions as an injection hole 4 0 4 for spraying hydrogen gas on the secondary side.
  • the opening area of the injection hole 40 4 is variable depending on the axial position of the valve body 41. In the state where the valve body 4 0 1 is in contact with the valve seat 4 0 2, the opening area of the spray hole 40 4 becomes zero, and the outflow of hydrogen gas to the secondary side is blocked.
  • valve body 4 0 1 can be brought into contact with the valve seat 4 0 2 so as to be firmly attached to the secondary side of the hydrogen gas. Can be blocked with a good sealing property.
  • the solenoid portion 4 20 can be constituted by various basic structures such as an I plunger type, and here, it is constituted by a so-called flat plate type.
  • the solenoid part 4 2 0 is composed of a coil 4 2 1, an iron core 4 2 2, and a plate-like plunger 4 2 3 formed integrally with the valve body 4 0 1.
  • a spring 4 2 5 is provided coaxially with the valve body 4 0 1 (Y-Y direction).
  • the spring 4 2 5 biases the valve body 4 0 1 toward the valve seat 4 0 2.
  • the magnetized core 4 2 2 attracts the plunger 4 2 3 and the valve body 4 0 1 by energizing the coil 4 2 1.
  • the valve body 4 0 1 moves in a direction away from the valve seat 4 0 2 against the spring 4 2 5.
  • energization of coil 4 2 1 is stopped, that is, when solenoid part 4 2 0 is demagnetized, valve body 4 0 1 comes into contact with valve seat 4 0 2 due to the panel force of spring 4 2 5.
  • the current supplied to the coil 4 2 1 is a pulsed excitation current.
  • the injector 29 has two stages of opening time (valve opening time) or opening C] of the injection hole 40 4 by turning on and off the pulsed excitation current supplied to the coil 4 2 1. Multi-stage, continuous (no stage), or linear can be switched.
  • the indicator 29 adjusts the flow rate and pressure of the hydrogen gas with high accuracy by controlling the time and timing of gas injection from the injection port 40 4 by the control signal output from the control device 7. To do.
  • duty control for changing the duty ratio of the pulsed excitation current is used as a control method of the indicator 29, duty control for changing the duty ratio of the pulsed excitation current is used.
  • the duty ratio is obtained by dividing the ON time of the pulsed excitation current by the switching period obtained by adding the ON time of the pulsed excitation current and the OFF time.
  • the injector 29 can adjust the secondary pressure to any pressure from 0 to the primary pressure (tank internal pressure).
  • the injector 29 is provided with a hand drain part 4 30 adjacent to the solenoid part 4 2 0.
  • a part of the handle part 4 3 0 is located outside the outer surface of the housing 3 0 0 so that the operator can operate it.
  • the axial direction of the handle part 4 3 0 coincides with the axial direction Y—Y.
  • a screw 4 3 1 is formed on a part of the outer peripheral surface of the handle portion 4 3 0 so as to be screwed into the housing 3 0 0.
  • the injector 29 is provided in the hydrogen tank 21, and when the hydrogen gas flows out from the hydrogen tank 21 to the supply path 22, the flow rate of the hydrogen gas and the The pressure can be adjusted.
  • the hydrogen tank 2 The hydrogen gas discharge flow rate (supply flow rate) from 1 to the fuel cell 2 can be precisely adjusted.
  • the indicator 29 since the indicator 29 is more responsive than a mechanical pressure regulator, it responds to the fuel cell 2 with a flow rate of hydrogen gas according to the amount of power generated by the fuel cell 2, the consumption state of hydrogen gas, or the operating state. It can be supplied with good quality.
  • the injector 29 can block the outflow of hydrogen gas to the secondary side, and the injector 29 itself can function as a tank main valve.
  • the primary hydrogen gas pressure (tank internal pressure) acts on the surface of the plunger 4 2 3 facing the iron core 4 2 2, so the valve body 4 0 1 is closed in the valve closing direction via the plunger 4 2 3.
  • the thrust is applied.
  • the degree of adhesion between the valve body 40 1 and the valve seat 4 0 2 can be increased, and the blocking performance of the flow path in the indicator 29 can be improved.
  • a main stop valve 26 is provided on the primary side of the injector 29 as a tank main valve. For this reason, by closing the main stop valve 26 when the fuel cell system 1 is stopped (when hydrogen gas supply is stopped), it is possible to suppress direct application of the tank internal pressure to the injector 29. Further, even when the shutoff characteristics of the injector 29 are deteriorated, the outflow of hydrogen gas from the hydrogen tank 21 can be shut off by the main stop valve 26, and the fail sale can be achieved satisfactorily.
  • the injector 29 since the injector 29 is disposed outside the hydrogen tank 21, handling and maintenance of the injector 29 can be improved. In addition, since the injector 29 can easily exchange heat with the outside air, the influence of the temperature drop of the hydrogen tank 21 during gas discharge can be suppressed. .
  • the axial direction Y—Y of the injector 29 is perpendicular to the axial direction X—X of the hydrogen tank 21, the total length of the structure in which the valve assembly 30 is provided in the hydrogen tank 21 is compared. Can be shortened. As a result, as a whole The size can be reduced, and the area occupied by the installation space such as the hydrogen tank 2 1 can be reduced. In relation to the limited installation space, although relative, the hydrogen tank 21 can be extended in the longitudinal direction, and the storage capacity of hydrogen gas can be increased.
  • the configuration may be such that the axial direction Y—Y of the injector 29 intersects the axial direction X—X of the hydrogen tank 21.
  • an indicator 29 (valve) according to the second embodiment will be described focusing on the differences.
  • the difference from the first embodiment is that the arrangement of the injectors 29 in the pulp assembly 30 is changed to a coaxial shape.
  • symbol same as 1st Embodiment is attached
  • subjected and the detailed description is abbreviate
  • the injector 29 has a main valve part 4 1 0, a solenoid part 4 2 0, and a handle part 4 3 0. These 4 1 0, 4 2 0 and 4 3 0 are the hydrogen tank 2 1 Are arranged in the first region 3 0 1 of the valve assembly 30 in order along the axial direction X—X. That is, in this embodiment, the axial direction of the indicator 29 corresponding to the axial direction of the valve body 40 1 matches the axial direction X—X of the hydrogen tank 21.
  • the flow path 45 1 extends in the axial direction X—X and communicates with the flow path 4 5 3 in the housing 3 0 0.
  • the flow path 4 5 3 extends in the axial direction X—X so that hydrogen gas flows on the outer periphery of the solenoid part 4 2 0, and communicates with the flow path 4 5 5 on the secondary side of the injector 2 9. Yes.
  • the flow path 45 5 is formed in the housing 300 and communicates with the supply path 22.
  • the hydrogen gas in the storage space 10 4 flows through the flow path 4 5 1, the flow path 4 5 3, the injection hole 4 0 4 and the flow path 4 5 5 in the injector 2 9 in this order, and the supply path 2 Spill to 2.
  • the advantage of this embodiment compared to the first embodiment is that the injector 29 is provided on the same axis as the hydrogen tank 21 so that the injector 29 can be easily cleaned.
  • contamination such as abrasion powder that may be generated when the valve body 40 1 moves in the axial direction can be discharged to the flow path 4 5 5 together with the hydrogen gas flowing through the flow path 4 53.
  • contamination such as abrasion powder that may be generated when the valve body 40 1 moves in the axial direction can be discharged to the flow path 4 5 5 together with the hydrogen gas flowing through the flow path 4 53.
  • the injector 29 can be self-cleaned with a simple structure.
  • Such a self-cleaning effect is particularly useful when the outer peripheral surface of the plunger 4 2 3 or the outer peripheral surface of the valve body 4 0 1 slides on the inner wall of the housing 3 0 0.
  • FIG. 3 does not show an aspect in which the outer peripheral surface of the plunger 4 2 3 or the outer peripheral surface of the valve body 4 0 1 slides.
  • the axial direction of the injector 29 does not have to coincide with the axial direction X—X of the hydrogen tank 21, for example, both may be parallel. Also in this case, the same effect as described above can be achieved. Further, in the valve assembly 30, the main stop valve 26 is omitted, but of course, the main stop valve 26 may be provided on the primary side of the injector 29.
  • the injector 29 described in the first embodiment and the second embodiment can be interpreted as a pressure regulating valve (a pressure reducing valve, a regulator) because it can adjust the gas pressure to the secondary side.
  • the fuel cell system 1 of the present invention described above can be mounted on a two-wheel or four-wheel vehicle, an electric vehicle, an aircraft, a ship, a robot, or other mobile objects. Further, the fuel cell system 1 can be used for stationary use and can be incorporated into a cogeneration system. Further, the tank provided with the injector 29 may be a tank for hydrogen storage alloy or other hydrocarbon-based fuel. It may store the gas. For example, the tank may store compressed natural gas, for example, at 2 O MPa, and the type of the stored fluid is not limited, such as whether it is a gas or a liquid. .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fuel Cell (AREA)
PCT/JP2007/052438 2006-03-06 2007-02-06 バルブ、バルブ制御装置及び燃料電池システム WO2007102297A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112007000513T DE112007000513T5 (de) 2006-03-06 2007-02-06 Ventil, Ventilsteuerung und Brennstoffzellensystem
US12/223,484 US20090014089A1 (en) 2006-03-06 2007-02-06 Valve, Valve Controller, and Fuel Cell System

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-060128 2006-03-06
JP2006060128A JP2007242304A (ja) 2006-03-06 2006-03-06 バルブ、バルブ制御装置及び燃料電池システム

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JP (1) JP2007242304A (enrdf_load_stackoverflow)
CN (1) CN101395423A (enrdf_load_stackoverflow)
DE (1) DE112007000513T5 (enrdf_load_stackoverflow)
WO (1) WO2007102297A1 (enrdf_load_stackoverflow)

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FR3095848B1 (fr) * 2019-05-07 2021-07-30 Faurecia Systemes Dechappement Tête de réservoir pour gaz sous pression
DE102020200679A1 (de) 2020-01-22 2021-07-22 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Öffnen einer Ventilanordnung für einen Treibstofftank
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CN101395423A (zh) 2009-03-25

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