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WO2010037827A2 - Récipient à très basse température - Google Patents

Récipient à très basse température Download PDF

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Publication number
WO2010037827A2
WO2010037827A2 PCT/EP2009/062781 EP2009062781W WO2010037827A2 WO 2010037827 A2 WO2010037827 A2 WO 2010037827A2 EP 2009062781 W EP2009062781 W EP 2009062781W WO 2010037827 A2 WO2010037827 A2 WO 2010037827A2
Authority
WO
WIPO (PCT)
Prior art keywords
plug
getter
container
nozzle
protective cover
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.)
Ceased
Application number
PCT/EP2009/062781
Other languages
German (de)
English (en)
Other versions
WO2010037827A3 (fr
Inventor
Guido Bartlok
Andreas Zieger
Harald Londer
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.)
Magna Steyr Fahrzeugtechnik GmbH and Co KG
Original Assignee
Steyr Daimler Puch Fahrzeugtechnik AG and Co KG
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 Steyr Daimler Puch Fahrzeugtechnik AG and Co KG filed Critical Steyr Daimler Puch Fahrzeugtechnik AG and Co KG
Priority to DE112009002357T priority Critical patent/DE112009002357T5/de
Publication of WO2010037827A2 publication Critical patent/WO2010037827A2/fr
Publication of WO2010037827A3 publication Critical patent/WO2010037827A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • 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
    • 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
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/014—Suspension means
    • F17C2203/018—Suspension means by attachment at the neck
    • 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
    • F17C2203/03—Thermal insulations
    • F17C2203/0391—Thermal insulations by vacuum
    • F17C2203/0395—Getter
    • 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
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • 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
    • F17C2203/0636—Metals
    • 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
    • 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
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2154—Winding
    • F17C2209/2163—Winding with a mandrel
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2260/03—Dealing with losses
    • F17C2260/031—Dealing with losses due to heat transfer
    • F17C2260/033—Dealing with losses due to heat transfer by enhancing insulation
    • 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

Definitions

  • the present invention relates to a cryogenic container according to the preamble of claim 1, a method for closing a nozzle of a cryogenic container according to the preamble of claim 10 and a motor vehicle.
  • Deep-temperature tanks are used to treat low-boiling liquefied gases, eg. As hydrogen or nitrogen to store and transport.
  • gases eg. As hydrogen or nitrogen
  • Deep-freeze containers generally consist of an inner and an outer container.
  • the inner container In the inner container, the low-boiling gas to be stored and transported is stored. Between the outer and inner container, a coat is present. This jacket is evacuated so that the inner container is highly thermally insulated from the outer container.
  • the DD 1570 12 shows a vacuum container with a nozzle.
  • the spigot serves to evacuate the jacket between an inner and an outer container.
  • an intermediate tube made of glass is arranged, which is surrounded by a high-frequency coil.
  • a getter material is attached to the stopper by a retaining wire.
  • the getter substance is in the effective range of a radio-frequency coil. Applying a voltage in the high frequency coil activates the getter.
  • the cryogenic container has an inner and an outer container.
  • the inner container serves to receive a low-boiling gas, for. Nitrogen.
  • a neck connects the inner container to the environment on the outer container for filling and emptying the inner container.
  • the neck can be closed by means of a receiving head.
  • To evacuate a forming between the inner and the outer container shell is on the outer container is formed a conduit which extends through the outer container and has an outward expansion, which forms the seat for a stuffing valve.
  • the line is closed by means of the stuffing valve.
  • a getter is also integrated. The getter rests on a grid. Disadvantageously, however, before closing the line with the stuffing valve, the getter can come into contact with the ambient air so that it can unintentionally absorb air.
  • the object of the present invention is therefore to provide a cryogenic container, a method for closing a nozzle of a cryogenic container and a motor vehicle, in which the getter integrated in a stopper is protected from fluids for use in evacuating a jacket of the cryogenic container and the getter can be easily brought into a fluid-conducting connection with the jacket after closing or during the closing of the nozzle with the stopper.
  • the cryogenic container should be inexpensive to manufacture.
  • a cryogenic container in particular for a motor vehicle, comprising an inner container, an outer container, wherein the outer container is arranged at a distance from the inner container, so that between the inner container and the outer container an evakuierbarer coat for thermal insulation, a conduit for filling and emptying the inner container, a nozzle penetrating the outer container, preferably for evacuating the jacket, a stopper for closing the nozzle, a getter as a gas trapping agent integrated in the stopper for adsorption and / or absorbing gas from the jacket, the getter being enclosed by a fluid-tight protective sheath to protect the getter from fluids from being used to evacuate the sheath.
  • the getter is surrounded by a fluid-tight protective cover. Fluids, ie liquids and / or gases, thus can not be used to evacuate the shell prior to using the getter get in touch with the getter.
  • the getter is a substance that can trap or adsorb gases.
  • the protective cover can both a separate component, for. B. may be a film, or may be at least partially part of the plug.
  • the protective cover is apparent by means of a mechanical movement of the plug for closing the nozzle.
  • the stopper To close the nozzle with the stopper, the stopper must be inserted into the nozzle or the stopper must be placed at the end of the nozzle. For this purpose, a movement of the plug is required. This movement of the plug can be used to open the protective cover.
  • the protective cover is at least partially formed as a membrane or film.
  • the membrane or the film may be bendable or unbendable.
  • the thickness of the membrane or foil is in the range between 0.1 and 15 mm.
  • the protective cover of a mandrel, a needle, a knife or a pointed object by means of the mechanical movement of the plug for closing the nozzle is obvious.
  • the protective cover is thereby opened in that, for example, the pointed object pierces the protective cover, so that an opening or a recess is present in the protective cover, through which the getter is fluid-conductively connected to the jacket.
  • the protective cover of a mechanical closure device for.
  • a flap or a valve by means of the mechanical movement of the plug for closing the nozzle apparently.
  • the movement of the plug can be used to use with a mechanism the kinetic energy in the movement of the plug to a mechanical closure device, for.
  • a flap or a valve to open is the protective cover composed of different materials or components.
  • a first component of the protective case is not movable and encloses partly the getter and consists for example of plastic or metal.
  • Another component of the protective cover comprises z. B. a flap.
  • the flap is provided with the mechanism, so that when an insertion of the plug into the nozzle from a certain position of the plug in the neck, the flap is opened. Subsequently, the stopper is fixed in the end position in which the flap is open, so that the getter is permanently fluid-conductively connected to the jacket.
  • the protective cover and the getter form a component and the component is connectable to the plug.
  • the plug is used to close the nozzle.
  • the getter can always be used only simply because after a use of the getter must be replaced or desorbed. For this purpose, it is advantageous if the protective cover and the getter
  • the component is releasably connectable to the plug.
  • the plug In a detachable connection between the component and the plug so that the
  • Protective cover and the getter are particularly easy to connect with the stopper. For example, in the case of a threaded or latching connection, only the component must be unscrewed from the plug and then a new component with a new getter and a new protective cover must be screwed to the plug.
  • the component is connectable to the plug by means of a positive and / or non-positive connection.
  • the component can be connected to the plug by means of a soldering and / or welding and / or threaded connection.
  • An inventive method for closing a neck of a cryogenic container with a stopper comprises the steps: Evacuating a shell between an inner and an outer container, closing the nozzle with the plug, wherein in the plug a getter is integrated, wherein after evacuation of the jacket, a fluid-tight protective cover, of which the getter is included, is opened.
  • the cryogenic container comprises an inner and an outer container. A spigot penetrates the outer container and is closed by a plug. In the plug a getter is integrated.
  • the jacket is evacuated by means of a vacuum pump.
  • the getter serves to maintain the vacuum in the shell and also to increase or improve it. So that before using the getter for evacuating the shell does not unnecessarily absorb gas, it is enclosed by a protective cover.
  • the fluid-tight protective cover is opened, for example, by introducing an opening into the protective cover.
  • an opening can be introduced into a fixed plug by means of a moving needle or mandrel in the fluid-tight protective cover.
  • the protective cover is opened after closing or during the closure of the nozzle with the stopper.
  • the nozzle is z. B. already in the end position, in which the stopper is closed.
  • the nozzle is already sealed, so that advantageously the getter can no longer come into contact with the ambient air around the outer container.
  • the protective cover is opened by means of a mechanical movement of the plug to close the connecting piece. The movement of the plug is thus used to open the protective cover.
  • the protective cover is opened by a spike, a needle, a knife or a pointed object, for. B. by the protective cover, in particular a membrane is severed.
  • a motor vehicle according to the invention comprises a cryogenic container described in this patent application and / or a method for closing a nozzle of the motor vehicle described in this patent application.
  • FIG. 1 shows a longitudinal section of a cryogenic container
  • Fig. 2 is a longitudinal section of a nozzle with a plug in a first position
  • Fig. 3 is a longitudinal section of the nozzle of FIG. 2 in a second position.
  • Fig. 1 is a longitudinal section of a cryogenic container 1 is shown.
  • the cryogenic container 1 comprises an inner and an outer container 2, 3.
  • the inner and outer container 2, 3 are circular in cross-section and arranged substantially concentric with each other. Between the inner container 2 and the outer container 3 thus forms a partially cylindrical jacket 4.
  • a low-boiling gas in particular liquefied hydrogen, stored.
  • the hydrogen serves to be used in an internal combustion engine of a motor vehicle for driving the internal combustion engine (not shown).
  • On the inner container 2 there is a conduit 5 through which liquid hydrogen is introduced and discharged into the inner container 2.
  • the line 5 pierces at the upper end of the jacket 4 and the outer container 3.
  • the line 5 can be closed by means of a closure head 6.
  • Closing valve can be used to z. B. in a motor vehicle as needed automatically to provide the hydrogen available (not shown).
  • the jacket 4 is used for thermal insulation of the inner container 2 with respect to the environment, in particular the outer container 3. For this purpose, it is necessary that the jacket 4 is evacuated.
  • a nozzle 7 pierces the outer container 3. Through a nozzle opening 18 of the nozzle 7 so that there is a fluid-conducting connection between the jacket 4 and the environment of the outer container 3.
  • a gas lock not shown, can be applied.
  • the air contained in the jacket 4 can then be pumped off and thus the jacket 4 can be evacuated.
  • the nozzle 7, d. H. in particular the nozzle opening 18, closed by a plug 8 FIGS. 1, 2 and 3
  • a getter 9 is integrated (FIGS. 2 and 3).
  • the getter 9 is a cloth which serves as a gas trapping agent.
  • the getter 9 can thus adsorb gases and thereby further increase the vacuum contained in the shell 4 and / or maintain this vacuum.
  • gases may diffuse through the inner and / or outer containers 2, 3 or the inner container 2 may desorb gases, for example.
  • Characterized the vacuum contained in the jacket 4 is reduced and thus also the thermal insulation effect of the shell 4 for the liquid contained in the inner container 3 liquid.
  • the getter 9 is brought into fluid communication with the jacket 4 after the evacuation and the closing of the nozzle 7.
  • the getter 9 is not only able to maintain the vacuum contained in the jacket 4, but also can further reduce the pressure attainable with a vacuum pump and thereby improve the thermal insulation effect of the jacket 4.
  • a longitudinal section of the nozzle 7 is shown with the plug 8 in a first and a second position.
  • the getter 9 is integrated in the plug 8.
  • the getter 9 is surrounded by a fluid-tight protective cover 12.
  • a part of the protective cover 12 is formed as a pierceable membrane 13.
  • the getter 9 and the protective cover 12 including the membrane 13 thereby form a component 17.
  • the plug 8 is provided with two elastic sealing rings 10.
  • the nozzle 7 and the plug 8 are circular in cross-section, wherein the inner diameter of the nozzle 7 is greater than the outer diameter of the plug 8. This forms between the plug 8 and the nozzle 7, a small cylindrical space. In this space partially the two sealing rings 10 are arranged to seal the nozzle 7 and thus also the nozzle opening 18 by means of the plug 8. Furthermore, a mandrel 14 is arranged in the neck 7 on a holding element 16. The mandrel 14 has a central mandrel bore 15.
  • a gas lock is first placed on the nozzle opening 18 on the outer container 3 (not shown).
  • the air contained in the jacket 4 is pumped by a vacuum pump (not shown).
  • the plug 8 with the integrated getter 9 is arranged.
  • the plug 8 with the getter 9 can be stored before being introduced into the gas lock usually because the getter 9 is surrounded by the fluid-tight protective cover 12.
  • the stopper 8 with the integrated getter 9 is introduced into the gas lock.
  • a rod can be attached to an internal thread 11 of the plug 8.
  • the movement of the plug 8 is achieved by means of the attached to the internal thread 11 rod.
  • the mandrel 14 penetrates the membrane 13 (FIG. 3).
  • the central mandrel bore 15 is formed.
  • the getter 9 partially absorbs the residual gas present in the jacket 4 and, moreover, permanently maintains the vacuum in the jacket 4.
  • this is fixed by means of a locking device, not shown in the nozzle 7.
  • the protective cover 12 and the getter 9 form a component 17 which is detachably connected to the plug 8. After use of the getter 9 and the consequent separation of the membrane 13 thus needs only for reuse a new component 17 are connected to the plug 8.
  • the inner and outer containers 2, 3, the conduit 5, the closure head 6, the nozzle 7 and the plug 8 are made of metal.
  • the metal used is, for example, iron or an iron alloy.
  • the protective cover 12 may be made of metal or plastic.
  • the part of the protective cover 12 which does not comprise the membrane 13 is made of metal, e.g. As iron or an iron alloy, or a fluid-tight plastic.
  • the membrane 13 is an easily pierceable plastic, z. B. a plastic film.
  • the holding element 16 is made of metal or plastic.
  • the plug 8 with the integrated getter 9 can be easily stored before use for evacuating the jacket 4, because the getter 9 is surrounded by a fluid-tight protective cover 12.
  • the protective cover 12, d. H. the membrane 13 is pierced automatically in a particularly advantageous manner when inserting the plug 8 by a mandrel 14, so that a fluid-conducting connection between the jacket 4 and the getter 9 is.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un récipient à très basse température, en particulier pour véhicule automobile, qui comprend un récipient intérieur, un récipient extérieur (3), le récipient extérieur (3) étant disposé à distance du récipient intérieur de telle sorte qu'une enveloppe apte à être placée sous vide soit formée pour l'isolation thermique entre le récipient intérieur et le récipient extérieur (3), un conduit de remplissage et de vidage du récipient intérieur, une tubulure (7) qui traverse le récipient extérieur (3), de préférence pour mettre l'enveloppe sous vide, un bouchon (8) qui ferme la tubulure (7), un dégazeur (9) qui sert de piège à gaz, intégré dans le bouchon (8) pour adsorber et/ou absorber le gaz provenant de l'enveloppe. L'objectif de l'invention est de protéger le dégazeur (9) intégré dans le bouchon (8) vis-à-vis des fluides avant d'être utilisé pour mettre sous vide l'enveloppe du récipient à très basse température, et de le mettre aisément en communication fluidique avec l'enveloppe après que la tubulure (7) a été fermée par le bouchon (8). L'objectif de l'invention est également de permettre la production d'un tel récipient à très basse température à faible coût. A cet effet, le dégazeur (9) est enfermé dans une gaine de protection (12) étanche aux fluides qui protège le dégazeur (9) des fluides avant qu'il soit utilisé pour mettre l'enveloppe (4) sous vide.
PCT/EP2009/062781 2008-10-01 2009-10-01 Récipient à très basse température Ceased WO2010037827A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112009002357T DE112009002357T5 (de) 2008-10-01 2009-10-01 Tiefsttemperaturbehälter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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EP2604904A3 (fr) * 2011-12-14 2014-03-05 Spirax-Sarco Limited Section de conduit isolé sous vide et bouchon
WO2015036752A3 (fr) * 2013-09-11 2015-07-30 Ricardo Uk Limited Getter
DE102014204985A1 (de) * 2014-03-18 2015-09-24 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zum Aktivieren und Einbringen eines Getters in eine Vakuum-Isolationshülle eines Behältersystems

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FR3123410B1 (fr) * 2021-05-27 2023-12-08 Cryolor Récipient cryogénique
FR3130933B1 (fr) * 2021-12-22 2024-06-28 Faurecia Systemes Dechappement Unité de stockage de fluide cryogénique

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DD157012A1 (de) 1981-01-13 1982-10-06 Horst Frodl Einrichtung zum einbringen und aktivieren von gatterstoff in vakuumbehaelter
DD157013A1 (de) * 1981-01-13 1982-10-06 Horst Frodl Einrichtung zum einbringen von aktiviertem getterstoff in vakuumbehaelter
JPS5956970A (ja) * 1982-09-27 1984-04-02 Taiyo Sanso Kk 金属製真空断熱容器の製造方法
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DE10107651A1 (de) * 2001-02-19 2002-08-29 Bsh Bosch Siemens Hausgeraete Verfahren zum Einbringen und Aktivieren eines Getters in einem Vakuumbehälter und Gettereinheit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604904A3 (fr) * 2011-12-14 2014-03-05 Spirax-Sarco Limited Section de conduit isolé sous vide et bouchon
WO2015036752A3 (fr) * 2013-09-11 2015-07-30 Ricardo Uk Limited Getter
DE102014204985A1 (de) * 2014-03-18 2015-09-24 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zum Aktivieren und Einbringen eines Getters in eine Vakuum-Isolationshülle eines Behältersystems

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DE112009002357T5 (de) 2012-01-26

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