EP3578871B1 - Pressurized fluid delivery device - Google Patents

Pressurized fluid delivery device Download PDF

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Publication number
EP3578871B1
EP3578871B1 EP19174800.3A EP19174800A EP3578871B1 EP 3578871 B1 EP3578871 B1 EP 3578871B1 EP 19174800 A EP19174800 A EP 19174800A EP 3578871 B1 EP3578871 B1 EP 3578871B1
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EP
European Patent Office
Prior art keywords
valve
shut
internal circuit
circuit
mobile
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.)
Active
Application number
EP19174800.3A
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German (de)
French (fr)
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EP3578871A1 (en
Inventor
Antoine Frenal
Denis Muller
Hervé PAOLI
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to PL19174800T priority Critical patent/PL3578871T3/en
Publication of EP3578871A1 publication Critical patent/EP3578871A1/en
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Publication of EP3578871B1 publication Critical patent/EP3578871B1/en
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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
    • 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
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • 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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • 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
    • F17C2203/0617—Single wall with one layer
    • 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
    • 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
    • F17C2205/0329—Valves manually actuated
    • 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
    • F17C2205/0382—Constructional details of valves, regulators
    • F17C2205/0385—Constructional details of valves, regulators in blocks or units
    • 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
    • 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
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/048—Methods for emptying or filling by maintaining residual pressure

Definitions

  • the invention relates to a device for supplying pressurized fluid.
  • Such a device is known from WO2013 / 076263 .
  • the invention relates more particularly to a device for supplying pressurized fluid, in particular pressurized gas, comprising at least one pressurized fluid reservoir provided with an orifice connected to a first valve, the first valve housing an internal fluid circuit. provided with at least one closing valve, the device comprising a second valve connected mechanically in a separable manner to the first valve, the second valve comprising an internal circuit for transferring pressurized fluid, in the connected position of the second valve on the first valve, the internal circuit of the second valve being fluidly connected to the internal circuit of the first valve, the second valve comprising a movable actuator intended to open the at least one closing valve of the first valve, the second valve further comprising a control member movable, in particular manually, intended to control the movement of the actuator and control the opening or no of the shut-off valve of the first valve, the device comprising a residual pressure valve configured to prevent the complete emptying of the at least one tank below a determined pressure threshold when the at least one closure valve is open,
  • the invention relates in particular to a device for dispensing fluid, in particular pressurized gas, of modular type.
  • the invention relates in particular to the filling of gas cylinders at high pressure (for example between 200 and 700 bar).
  • Such a residual pressure valve conventionally prevents the total emptying of the bottle below a determined pressure threshold. This prevents the intrusion of air and humidity, in particular when the bottle (its valve) is kept open until it has been completely emptied.
  • such a residual pressure valve housed in the bottle can be subjected to sudden emptying (drawing off with Joule-Thompson effect) and rapid filling.
  • Such a valve can be subjected to extreme conditions with fluid passages in both directions.
  • An object of the present invention is to provide a fluid supply device having a simple, compact structure, good ergonomics of use and good safety vis-à-vis possible pollution of the interior of the reservoir.
  • An aim of the present invention is to overcome all or part of the drawbacks of the prior art noted above.
  • the device according to the invention is essentially characterized in that the residual pressure valve is located in the second valve.
  • the invention may also relate to any alternative device or method comprising any combination of the characteristics above or below within the scope of the claims.
  • the pressurized fluid supply device 1 illustrated in figure 1 comprises a reservoir 2 (for example a bottle) of pressurized fluid provided with an orifice in which is fixed (screwing for example) a first valve 3.
  • a reservoir 2 for example a bottle
  • pressurized fluid provided with an orifice in which is fixed (screwing for example) a first valve 3.
  • the first valve 3 houses an internal fluid circuit 4 provided with at least one closing valve 5.
  • This internal circuit 4 comprises for example a first upstream end in relation to the storage volume of the reservoir 2 and a downstream end 13 opening, for example, on one end of the body of the first valve 3.
  • the device 1 further comprises a second valve 6 mechanically connected in a separable (removable) manner on the first valve 3.
  • first 3 and the second valve 6 comprise respective hooking members 8, 9 forming a removable quick connection system from the second valve 6 to the first valve (cf. figures 2 and 3 ).
  • the second valve 6 also comprises an internal circuit 7 for transferring pressurized fluid.
  • the internal circuit 7 of the second valve 6 is fluidly connected to the internal circuit 4 of the first valve 3.
  • an upstream end 12 of the internal circuit 7 of the second valve 6 is connected at the downstream end 13 of circuit 4 of the first valve 3
  • the second valve 6 comprises a movable actuating member 9 preferably forming a valve pusher intended to open by mechanical actuation the at least one closing valve 5 of the first valve 3.
  • the second valve 6 comprises a valve member 10.
  • movable control preferably manually operable, provided to control the movement of the actuator 9 to control the opening or not of the valve 5 for closing the first valve.
  • the movable control member 10 may comprise or consist of at least one of: a lever mounted articulated on the second valve 6 (cf. figures 2 and 3 ), a button or handwheel movable in rotation and / or in translation (cf. figure 1 ) on the valve body 6.
  • the device 1 further comprises a residual pressure valve 11 configured to prevent the complete emptying of the tank 2 below a determined pressure threshold (for example between 1.5 and 10 bar, in particular between 2 and 10 bar).
  • a determined pressure threshold for example between 1.5 and 10 bar, in particular between 2 and 10 bar.
  • the residual pressure valve 11 is located in the second valve 6. That is to say that the function of maintaining a residual pressure is performed only by the second valve 6 which is connected to the first valve 3. This makes it possible to simplify the architecture of the first valve 3 without compromising the protection. the contents of the tank 2.
  • the internal circuit 7 of the second valve 6 comprises an upstream end 12 intended to be connected to the downstream end 13 of the internal circuit 4 of the first valve 3 and a first downstream end 14 opening at the level of a outlet connector 15.
  • the outlet connector 15 is for example intended to be fluidly connected with a member for receiving the gas withdrawn from the reservoir 2.
  • the residual pressure valve 11 is located in the internal circuit 7 of the second valve 6 between the upstream end 12 and the downstream end 13, preferably near the outlet connector 15.
  • the residual pressure valve 11 comprises for example a movable closing member 111 (piston for example) urged by a return member 211 (spring for example) towards a seat in a closed position of the internal circuit 7 of the second valve 6.
  • This closing member 211 is subjected to the force of the pressurized fluid in said internal circuit 7 coming from the upstream end 12. This pressure force tends to oppose the force of the return member 211.
  • this prevents the escape of fluid (valve closed under the action of the spring 211) when the upstream pressure is below a determined threshold.
  • NV Non Return Valve
  • the internal circuit 7 of the second valve 6 can include a separate second downstream end 16 opening onto the body of the second valve 6.
  • the two downstream ends 16, 14 can be connected in parallel to the upstream end 12 of the circuit. 7 internal.
  • This second downstream end 16 may be provided with a purge valve 17 which can preferably be actuated mechanically (for example manually) to open the second downstream end 16 of the circuit to the outside of the second valve 6 in order to purge said internal circuit 7. This thus makes it possible to depressurize the internal circuit 7 of the second valve, for example, before separating the second valve 6 from the first valve 3.
  • a purge valve 17 which can preferably be actuated mechanically (for example manually) to open the second downstream end 16 of the circuit to the outside of the second valve 6 in order to purge said internal circuit 7.
  • the internal circuit 4 of the first valve 3 can comprise two closing valves 5, 17 arranged in series.
  • a first 17 of the valves can be flush with one end of the first valve 3.
  • the actuator 9 can be movable in translation to form a valve pusher configured to open the closing valves 17, 5 in series by mechanical actuation of a first closing valve 17 so that the movement of this first valve Closure 17 (movement in the body of the first valve 3) pushes or allows the movement of the next closing valve 5 (cf. figures 2 and 3 and the document WO2012004481A1 for example).
  • the first valve 3 could comprise three valves in series (or more and / or other components).
  • the closing valve or valves 17, 5 may comprise a movable element (piston) urged towards a seat by a return member (spring for example).
  • the movable actuator 9 comprises an axis movable in translation. Of course this could be replaced by any other suitable system.
  • the invention has been described with a single reservoir 2 but could be applied to a set of reservoirs (frame of bottles for example) connected to the first valve 3.
  • the second valve may include an adjustable pressure regulator. or not to lower the gas pressure to a determined level.
  • the pressure reducer is located in the internal circuit 7 or at the outlet connection 15.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Fluid-Driven Valves (AREA)

Description

L'invention concerne un dispositif de fourniture de fluide sous pression.The invention relates to a device for supplying pressurized fluid.

Un tel dispositif est connu de WO2013/076263 .Such a device is known from WO2013 / 076263 .

L'invention concerne plus particulièrement un dispositif de fourniture de fluide sous pression, notamment de gaz sous pression, comprenant au moins un réservoir de fluide sous pression muni d'un orifice relié à un premier robinet, le premier robinet abritant un circuit interne de fluide muni d'au moins un clapet de fermeture, le dispositif comprenant un second robinet raccordé mécaniquement de façon séparable au premier robinet, le second robinet comprenant un circuit interne de transfert de fluide sous pression, en position raccordée du second robinet sur le premier robinet, le circuit interne du second robinet étant relié fluidiquement au circuit interne du premier robinet, le second robinet comprenant un organe d'actionnement mobile destiné à ouvrir le au moins un clapet de fermeture du premier robinet, le second robinet comprenant en outre un organe de commande mobile, notamment manuellement, prévu pour commander le déplacement de l'organe d'actionnement et commander l'ouverture ou non du clapet de fermeture du premier robinet, le dispositif comprenant un clapet de pression résiduelle configuré pour empêcher la vidange complète du au moins un réservoir en dessous d'un seuil de pression déterminé lorsque le au moins clapet de fermeture est ouvert,The invention relates more particularly to a device for supplying pressurized fluid, in particular pressurized gas, comprising at least one pressurized fluid reservoir provided with an orifice connected to a first valve, the first valve housing an internal fluid circuit. provided with at least one closing valve, the device comprising a second valve connected mechanically in a separable manner to the first valve, the second valve comprising an internal circuit for transferring pressurized fluid, in the connected position of the second valve on the first valve, the internal circuit of the second valve being fluidly connected to the internal circuit of the first valve, the second valve comprising a movable actuator intended to open the at least one closing valve of the first valve, the second valve further comprising a control member movable, in particular manually, intended to control the movement of the actuator and control the opening or no of the shut-off valve of the first valve, the device comprising a residual pressure valve configured to prevent the complete emptying of the at least one tank below a determined pressure threshold when the at least one closure valve is open,

L'invention concerne en particulier un dispositif de distribution de fluide, notamment de gaz sous pression de type modulaire. L'invention concerne notamment le remplissage des bouteilles de gaz à haute pression (par exemple entre 200 et 700 bar).The invention relates in particular to a device for dispensing fluid, in particular pressurized gas, of modular type. The invention relates in particular to the filling of gas cylinders at high pressure (for example between 200 and 700 bar).

Des exemples de dispositifs de distribution de fluide modulaires sont illustrés dans les documents FR2892799A1 , FR2979687A1 , FR2970313A1 FR3022972A1 ou FR303386A1 .Examples of modular fluid distribution devices are illustrated in the documents FR2892799A1 , FR2979687A1 , FR2970313A1 FR3022972A1 or FR303386A1 .

Pour éviter la contamination des bouteilles ou ensembles de bouteilles, il est connu de prévoir clapet de pression résiduelle au sein de la bouteille ou du robinet qui lui est attaché cf. par exemple FR303386A1 .To avoid contamination of bottles or sets of bottles, it is known to provide a residual pressure valve within the bottle or of the valve attached to it cf. for example FR303386A1 .

Un tel clapet de pression résiduelle empêche classiquement la vidange totale de la bouteille en-dessous d'un seuil de pression déterminé. Ceci empêche l'intrusion d'air et d'humidité notamment lorsque la bouteille (son robinet) est maintenu(e) ouvert(e) jusqu'à sa complète vidange.Such a residual pressure valve conventionally prevents the total emptying of the bottle below a determined pressure threshold. This prevents the intrusion of air and humidity, in particular when the bottle (its valve) is kept open until it has been completely emptied.

Cette solution, bien que satisfaisante peut parfois complexifier la structure et le coût de la bouteille ou de son robinet qui lui est atttaché.et s'avérer complexe.This solution, although satisfactory, can sometimes complicate the structure and the cost of the bottle or of its tap which is attached to it and prove to be complex.

De plus, un tel clapet de pression résiduelle logé dans la bouteille peut être soumis à des vidanges brutales (soutirage avec effet Joule-Thompson) et des remplissages rapides. Ainsi un tel clapet peut être soumis à des conditions extrêmes avec des passages de fluide dans les deux sens.In addition, such a residual pressure valve housed in the bottle can be subjected to sudden emptying (drawing off with Joule-Thompson effect) and rapid filling. Thus such a valve can be subjected to extreme conditions with fluid passages in both directions.

Un but de la présente invention est de proposer un dispositif de fourniture de fluide ayant un structure simple, compacte, une bonne ergonomie d'utilisation et une bonne sécurité vis-à-vis des pollutions possibles de l'intérieur du réservoir.An object of the present invention is to provide a fluid supply device having a simple, compact structure, good ergonomics of use and good safety vis-à-vis possible pollution of the interior of the reservoir.

Un but de la présente invention est de pallier tout ou partie des inconvénients de l'art antérieur relevés ci-dessus.An aim of the present invention is to overcome all or part of the drawbacks of the prior art noted above.

A cette fin, le dispositif selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que le clapet de pression résiduelle est situé dans le second robinet.To this end, the device according to the invention, moreover in accordance with the generic definition given in the preamble above, is essentially characterized in that the residual pressure valve is located in the second valve.

Par ailleurs, des modes de réalisation de l'invention peuvent comporter l'une ou plusieurs des caractéristiques suivantes :

  • le circuit interne de transfert de fluide du second robinet comprend une extrémité amont destinée à être raccordée à une extrémité aval du circuit interne du premier robinet et au moins une première extrémité aval débouchant au niveau d'un raccord de sortie, le raccord de sortie étant destiné à être raccordé fluidiquement avec un organe receveur du gaz soutiré du réservoir, le clapet de pression résiduelle étant situé dans le circuit interne de transfert de fluide du second robinet entre l'extrémité amont et l'extrémité aval,
  • le clapet de pression résiduelle comprend un organe de fermeture mobile sollicité par un organe de rappel vers un siège dans une position de fermeture du circuit interne du second robinet, l'organe de fermeture étant soumis à l'effort du fluide sous pression dans ledit circuit interne provenant de l'extrémité amont et qui s'exerce à l'encontre de l'effort de l'organe de rappel,
  • le circuit interne du second robinet comprend une seconde extrémité aval débouchant sur le corps du second robinet et comprenant un clapet de purge actionnable mécaniquement pour ouvrir la seconde extrémité aval du circuit vers l'extérieur du second robinet afin de purge ledit circuit interne,
  • l'organe d'actionnement mobile forme un pousse-clapet destiné à déplacer le au moins un clapet de fermeture par actionnement mécanique,
  • le circuit interne du premier robinet comprend deux clapets de fermeture disposés en série, et en ce que l'organe d'actionnement est mobile en translation et configuré pour ouvrir les clapets de fermeture en série par actionnement mécanique d'un premier clapet de fermeture de sorte que le déplacement de ce premier clapet de fermeture pousse et déplace en réaction le clapet (5) de fermeture suivant,
  • le premier et le second robinet comprennent des organes d'accrochage respectifs formant un système de connexion rapide amovible du second robinet sur le premier robinet,
  • l'organe de commande mobile comprend un levier monté articulé sur le second robinet ou un bouton mobile en rotation et/ou en translation,
  • l'organe d'actionnement mobile comprend un axe mobile en translation.
Furthermore, embodiments of the invention may include one or more of the following characteristics:
  • the internal fluid transfer circuit of the second valve comprises an upstream end intended to be connected to a downstream end of the internal circuit of the first valve and at least one first downstream end opening at an outlet connection, the outlet connection being intended to be fluidly connected with a body receiving the gas withdrawn from the reservoir, the residual pressure valve being located in the internal fluid transfer circuit of the second valve between the upstream end and the downstream end,
  • the residual pressure valve comprises a movable closure member urged by a return member towards a seat in a closed position of the internal circuit of the second valve, the closure member being subjected to the force of the pressurized fluid in said circuit internal coming from the upstream end and which is exerted against the force of the return member,
  • the internal circuit of the second valve comprises a second downstream end opening onto the body of the second valve and comprising a purge valve that can be actuated mechanically to open the second downstream end of the circuit to the outside of the second valve in order to purge said internal circuit,
  • the movable actuating member forms a valve pusher intended to move the at least one closing valve by mechanical actuation,
  • the internal circuit of the first valve comprises two closing valves arranged in series, and in that the actuating member is movable in translation and configured to open the closing valves in series by mechanical actuation of a first closing valve of so that the displacement of this first closing valve pushes and moves in reaction the following closing valve (5),
  • the first and the second valve comprise respective hooking members forming a removable quick connection system from the second valve to the first valve,
  • the movable control member comprises a lever mounted articulated on the second valve or a button movable in rotation and / or in translation,
  • the movable actuator comprises an axis movable in translation.

L'invention peut concerner également tout dispositif ou procédé alternatif comprenant toute combinaison des caractéristiques ci-dessus ou ci-dessous dans le cadre des revendications.The invention may also relate to any alternative device or method comprising any combination of the characteristics above or below within the scope of the claims.

D'autres particularités et avantages apparaîtront à la lecture de la description ci-après, faite en référence aux figures dans lesquelles :

  • la figure 1 représente une vue en coupe, schématique et partielle d'un premier exemple de réalisation possible du dispositif de fourniture de fluide selon l'invention,
  • les figures 2 et 3 représentent des vues en coupe, schématiques et partielles, d'un autre exemple de réalisation possible du dispositif de fourniture de fluide et selon respectivement deux configurations ou états d'utilisation.
Other features and advantages will become apparent on reading the description below, given with reference to the figures in which:
  • the figure 1 shows a sectional, schematic and partial view of a first possible embodiment of the fluid supply device according to the invention,
  • the figures 2 and 3 represent sectional views, schematic and partial, of another possible embodiment of the fluid supply device and according respectively to two configurations or states of use.

Le dispositif 1 de fourniture de fluide sous pression illustré à la figure 1 comprend un réservoir 2 (par exemple une bouteille) de fluide sous pression muni d'un orifice dans lequel est fixé (vissage par exemple) un premier robinet 3.The pressurized fluid supply device 1 illustrated in figure 1 comprises a reservoir 2 (for example a bottle) of pressurized fluid provided with an orifice in which is fixed (screwing for example) a first valve 3.

Le premier robinet 3 abrite un circuit 4 interne de fluide muni d'au moins un clapet 5 de fermeture. Ce circuit 4 interne comprend par exemple une première extrémité amont en relation avec le volume de stockage du réservoir 2 et une extrémité 13 aval débouchant par exemple sur une extrémité du corps du premier robinet 3.The first valve 3 houses an internal fluid circuit 4 provided with at least one closing valve 5. This internal circuit 4 comprises for example a first upstream end in relation to the storage volume of the reservoir 2 and a downstream end 13 opening, for example, on one end of the body of the first valve 3.

Le dispositif 1 comprend en outre un second robinet 6 raccordé mécaniquement de façon séparable (amovible) sur le premier robinet 3.The device 1 further comprises a second valve 6 mechanically connected in a separable (removable) manner on the first valve 3.

Par exemple, le premier 3 et le second robinet 6 comprennent des organes 8, 9 d'accrochage respectifs formant un système de connexion rapide amovible du second robinet 6 sur le premier robinet (cf. figures 2 et 3).For example, the first 3 and the second valve 6 comprise respective hooking members 8, 9 forming a removable quick connection system from the second valve 6 to the first valve (cf. figures 2 and 3 ).

Le second robinet 6 comprend également un circuit interne 7 de transfert de fluide sous pression. En position raccordée du second robinet 6 sur le premier robinet 3, le circuit interne 7 du second robinet 6 est relié fluidiquement au circuit 4 interne du premier robinet 3. Par exemple, une extrémité 12 amont du circuit 7 interne du second robinet 6 est reliée à l'extrémité 13 aval du circuit 4 du premier robinet 3The second valve 6 also comprises an internal circuit 7 for transferring pressurized fluid. In the connected position of the second valve 6 on the first valve 3, the internal circuit 7 of the second valve 6 is fluidly connected to the internal circuit 4 of the first valve 3. For example, an upstream end 12 of the internal circuit 7 of the second valve 6 is connected at the downstream end 13 of circuit 4 of the first valve 3

Le second robinet 6 comprend un organe 9 d'actionnement mobile formant de préférence un pousse-clapet destiné à ouvrir par actionnement mécanique le au moins un clapet 5 de fermeture du premier robinet 3. De plus, le second robinet 6 comprend un organe 10 de commande mobile, de préférence actionnable manuellement, prévu pour commander le déplacement de l'organe 9 d'actionnement pour commander l'ouverture ou non du clapet 5 de fermeture du premier robinet.The second valve 6 comprises a movable actuating member 9 preferably forming a valve pusher intended to open by mechanical actuation the at least one closing valve 5 of the first valve 3. In addition, the second valve 6 comprises a valve member 10. movable control, preferably manually operable, provided to control the movement of the actuator 9 to control the opening or not of the valve 5 for closing the first valve.

Comme illustré aux figures, l'organe 10 de commande mobile peut comprendre ou être constitué de l'un au moins parmi : un levier monté articulé sur le second robinet 6 (cf. figures 2 et 3), un bouton ou volant mobile en rotation et/ou en translation (cf. figure 1) sur le corps du robinet 6.As illustrated in the figures, the movable control member 10 may comprise or consist of at least one of: a lever mounted articulated on the second valve 6 (cf. figures 2 and 3 ), a button or handwheel movable in rotation and / or in translation (cf. figure 1 ) on the valve body 6.

Le dispositif 1 comprend en outre un clapet 11 de pression résiduelle configuré pour empêcher la vidange complète du réservoir 2 en dessous d'un seuil de pression déterminé (par exemple compris entre 1,5 et 10 bar, notamment entre 2 et 10 bar).The device 1 further comprises a residual pressure valve 11 configured to prevent the complete emptying of the tank 2 below a determined pressure threshold (for example between 1.5 and 10 bar, in particular between 2 and 10 bar).

Selon une particularité avantageuse, le clapet 11 de pression résiduelle est situé dans le second 6 robinet. C'est-à-dire que la fonction de maintien d'une pression résiduelle est réalisée uniquement par le second robinet 6 qui vient se raccorder au premier robinet 3. Ceci permet de simplifier l'architecture du premier robinet 3 sans nuire à la protection du contenu du réservoir 2.According to an advantageous feature, the residual pressure valve 11 is located in the second valve 6. That is to say that the function of maintaining a residual pressure is performed only by the second valve 6 which is connected to the first valve 3. This makes it possible to simplify the architecture of the first valve 3 without compromising the protection. the contents of the tank 2.

Par exemple, le circuit interne 7 du second robinet 6 comprend une extrémité amont 12 destinée à être raccordée à l'extrémité aval 13 du circuit 4 interne du premier robinet 3 et une première extrémité aval 14 débouchant au niveau d'un raccord 15 de sortie. Le raccord 15 de sortie est par exemple destiné à être raccordé fluidiquement avec un organe receveur du gaz soutiré du réservoir 2.For example, the internal circuit 7 of the second valve 6 comprises an upstream end 12 intended to be connected to the downstream end 13 of the internal circuit 4 of the first valve 3 and a first downstream end 14 opening at the level of a outlet connector 15. The outlet connector 15 is for example intended to be fluidly connected with a member for receiving the gas withdrawn from the reservoir 2.

Le clapet 11 de pression résiduelle est situé dans le circuit interne 7 du second robinet 6 entre l'extrémité amont 12 et l'extrémité aval 13, de préférence à proximité du raccord 15 de sortie.The residual pressure valve 11 is located in the internal circuit 7 of the second valve 6 between the upstream end 12 and the downstream end 13, preferably near the outlet connector 15.

Comme visible aux figures 2 et 3, le clapet 11 de pression résiduelle comprend par exemple un organe 111 de fermeture mobile (piston par exemple) sollicité par un organe 211 de rappel (ressort par exemple) vers un siège dans une position de fermeture du circuit interne 7 du second robinet 6. Cet organe 211 de fermeture est soumis à l'effort du fluide sous pression dans ledit circuit 7 interne provenant de l'extrémité amont 12. Cette effort de pression tend à s'opposer à l'effort de l'organe 211 de rappel. Ainsi, selon le dimensionnement du clapet 11 de pression résiduelle, ceci empêche la sortie de fluide (clapet fermé sous l'action du ressort 211) lorsque la pression en amont est en dessous d'un seuil déterminé.As visible to figures 2 and 3 , the residual pressure valve 11 comprises for example a movable closing member 111 (piston for example) urged by a return member 211 (spring for example) towards a seat in a closed position of the internal circuit 7 of the second valve 6. This closing member 211 is subjected to the force of the pressurized fluid in said internal circuit 7 coming from the upstream end 12. This pressure force tends to oppose the force of the return member 211. Thus, depending on the dimensioning of the residual pressure valve 11, this prevents the escape of fluid (valve closed under the action of the spring 211) when the upstream pressure is below a determined threshold.

Le clapet 11 de pression résiduelle peut intégrer par ailleurs une fonction anti-retour (« NRV » = « Non Return Valve ») empêchant l'écoulement de gaz entre l'extrémité aval 14 et l'extrémité amont 12 (empêchant ainsi un remplissage intempestif).The residual pressure valve 11 can also integrate a non-return function (“NRV” = “Non Return Valve”) preventing the flow of gas between the downstream end 14 and the upstream end 12 (thus preventing untimely filling. ).

Comme illustré aux figures, le circuit interne 7 du second robinet 6 peut comprendre une seconde extrémité aval 16 distincte débouchant sur le corps du second robinet 6. Les deux extrémité aval 16, 14 peuvent être raccordée en parallèle à l'extrémité amont 12 du circuit 7 interne.As illustrated in the figures, the internal circuit 7 of the second valve 6 can include a separate second downstream end 16 opening onto the body of the second valve 6. The two downstream ends 16, 14 can be connected in parallel to the upstream end 12 of the circuit. 7 internal.

Cette seconde extrémité 16 aval peut être munie d'un clapet 17 de purge actionnable de préférence mécaniquement (par exemple manuellement) pour ouvrir la seconde extrémité 16 aval du circuit vers l'extérieur du second robinet 6 afin de purge ledit circuit 7 interne. Ceci permet ainsi de dépressuriser le circuit 7 interne du second robinet par exemple, avant de séparer le second robinet 6 du premier robinet 3.This second downstream end 16 may be provided with a purge valve 17 which can preferably be actuated mechanically (for example manually) to open the second downstream end 16 of the circuit to the outside of the second valve 6 in order to purge said internal circuit 7. This thus makes it possible to depressurize the internal circuit 7 of the second valve, for example, before separating the second valve 6 from the first valve 3.

Bien entendu, l'invention n'est pas limitée à l'exemple de réalisation décrit ci-dessus.Of course, the invention is not limited to the exemplary embodiment described above.

Ainsi, comme représenté aux figures 2 et 3, le circuit 4 interne du premier robinet 3 peut comprendre deux clapets 5, 17 de fermeture disposés en série.Thus, as shown in figures 2 and 3 , the internal circuit 4 of the first valve 3 can comprise two closing valves 5, 17 arranged in series.

En position fermée, un premier 17 des clapets peut être affleurant à une extrémité du premier robinet 3.In the closed position, a first 17 of the valves can be flush with one end of the first valve 3.

L'organe 9 d'actionnement peut être mobile en translation pour former un pousse-clapet configuré pour ouvrir les clapets 17, 5 de fermeture en série par actionnement mécanique d'un premier clapet 17 de fermeture de sorte que le déplacement de ce premier clapet 17 de fermeture (déplacement dans le corps du premier robinet 3) pousse ou permet le déplacement du clapet 5 de fermeture suivant (cf. figures 2 et 3 et le document WO2012004481A1 par exemple).The actuator 9 can be movable in translation to form a valve pusher configured to open the closing valves 17, 5 in series by mechanical actuation of a first closing valve 17 so that the movement of this first valve Closure 17 (movement in the body of the first valve 3) pushes or allows the movement of the next closing valve 5 (cf. figures 2 and 3 and the document WO2012004481A1 for example).

De même, le premier robinet 3 pourrait comporter trois clapets en série (ou plus et/ou d'autres composants). On pourra se référer par exemple à l'exemple du document WO2016139404A1 pour la séquence d'ouverture de trois clapets en série.Likewise, the first valve 3 could comprise three valves in series (or more and / or other components). We can refer for example to the example of the document WO2016139404A1 for the opening sequence of three valves in series.

Ainsi, lorsque le second robinet 6 (qui assure l'ouverture du ou des clapets 17, 5) est détaché du premier robinet 3, le ou les clapets 17, 5 de fermeture referment automatiquement (sous l'action d'organe(s) de rappel tels que des ressorts) le circuit 4 interne du premier robinet 3. Ainsi, une pollution ou vidange complète du réservoir 2 est évitée. Lorsque le second robinet 6 est raccordé sur le premier robinet 3 et ouvre le circuit 4 interne du premier robinet (via le déplacement du ou des clapets 17, 5) la vidange complète ou la pollution du réservoir 2 n'est pas possible même si l'utilisateur oublie de déplacer l'organe 10 de commande en position de fermeture du circuit 4 interne.Thus, when the second valve 6 (which opens the valve (s) 17, 5) is detached from the first valve 3, the valve (s) 17, 5 close automatically (under the action of member (s) return such as springs) the internal circuit 4 of the first valve 3. Thus, pollution or complete emptying of the tank 2 is avoided. When the second valve 6 is connected to the first valve 3 and opens the internal circuit 4 of the first valve (via the displacement of the valve (s) 17, 5) the complete emptying or pollution of the tank 2 is not possible even if the user forgets to move the control member 10 to the closed position of the internal circuit 4.

Comme illustré schématiquement aux figures 2 et 3, le ou les clapets 17, 5 de fermeture peuvent comprendre un élément mobile (piston) sollicité vers un siège par un organe de rappel (ressort par exemple).As shown schematically in figures 2 and 3 , the closing valve or valves 17, 5 may comprise a movable element (piston) urged towards a seat by a return member (spring for example).

Dans l'exemple des figures 2 et 3 l'organe 9 d'actionnement mobile comprend un axe mobile en translation. Bien entendu ceci pourrait être remplacé par tout autre système approprié.In the example of figures 2 and 3 the movable actuator 9 comprises an axis movable in translation. Of course this could be replaced by any other suitable system.

De même, l'invention a été décrite avec un seul réservoir 2 mais pourrait s'appliquer à un ensemble de réservoirs (cadre de bouteilles par exemple) reliés au premier robinet 3. De plus, le second robinet peut comprendre un détendeur de pression réglable ou non pour abaisser la pression du gaz à un niveau déterminé. Par exemple, le détendeur est situé dans le circuit 7 interne ou au niveau du raccord 15 de sortie.Likewise, the invention has been described with a single reservoir 2 but could be applied to a set of reservoirs (frame of bottles for example) connected to the first valve 3. In addition, the second valve may include an adjustable pressure regulator. or not to lower the gas pressure to a determined level. For example, the pressure reducer is located in the internal circuit 7 or at the outlet connection 15.

Claims (9)

  1. Device for supplying pressurized fluid, notably pressurized gas, comprising at least one pressurized fluid reservoir (2) provided with an orifice connected to a first valve (3), the first valve (3) housing an internal fluid circuit (4) fitted with at least one shut-off member (5), the device (1) comprising a second valve (6) mechanically and detachably connected to the first valve (3), the second valve (6) comprising an internal circuit (7) for the transfer of pressurized fluid when the second valve (6) is in the position in which it is coupled to the first valve (3), the internal circuit (7) of the second valve being fluidically connected to the internal circuit (4) of the first valve (3), the second valve (6) comprising a mobile actuating member (9) intended to open the at least one shut-off member (5) of the first valve (3), the second valve (6) further comprising a control member (10) that is mobile, notably by hand, intended to command the movement of the actuating member (9) and command the opening or non-opening of the shut-off member (5) of the first valve, the device (1) comprising a residual-pressure valve (11) configured to prevent the at least one reservoir (2) from emptying fully below a determined pressure threshold when the at least one shut-off member (5) is open, characterized in that the residual-pressure valve (11) is situated in the second valve (6).
  2. Device according to Claim 1, characterized in that the internal fluid transfer circuit (7) of the second valve (6) comprises an upstream end (12) intended to be connected to a downstream end (13) of the internal circuit (4) of the first valve (3) and at least a first downstream end (14) opening onto an outlet coupling (15), the outlet coupling (15) being intended to be fluidically connected to a receiver of the gas withdrawn from the reservoir (2), and in that the residual-pressure valve (11) is situated in the internal fluid transfer circuit (7) of the second valve (6) between the upstream end (12) and the downstream end (13).
  3. Device according to Claim 2, characterized in that the residual-pressure valve (11) comprises a mobile shut-off member (111) urged by a return member (211) towards a seat in a position in which the internal circuit (7) of the second valve (6) is closed, the shut-off member (211) being subjected to the force of the pressurized fluid in the said internal circuit (7) coming from the upstream end (12) and which is exerted against the action of the force of the return member (211).
  4. Device according to Claim 2 or 3, characterized in that the internal circuit (7) of the second valve (6) comprises a second downstream end (16) opening onto the body of the second valve (6) and comprising a purge valve (17) that can be actuated mechanically in order to open the second downstream end (16) of the circuit to the outside of the second valve (6) in order to purge the said internal circuit (7).
  5. Device according to any one of Claims 1 to 4, characterized in that the mobile actuating member (9) forms a valve driver intended to move the at least one shut-off member (5) by mechanical actuation.
  6. Device according to any one of Claims 1 to 5, characterized in that the internal circuit (4) of the first valve (3) comprises two shut-off members (5, 17) positioned in series, and in that the actuating member (9) is translationally mobile and configured to open the shut-off members (17, 5) in series by mechanical actuation of a first shut-off member (17) such that the movement of this first shut-off member (17) by reaction pushes against and moves the next shut-off member (5).
  7. Device according to any one of Claims 1 to 6, characterized in that the first (3) and second (6) valves comprise respective coupling elements (8, 9) forming a quick-connection system for removably connecting the second valve (6) to the first valve (3).
  8. Device according to any one of Claims 1 to 7, characterized in that the mobile control member (10) comprises a lever mounted in articulated fashion on the second valve (6) or a knob that can be rotated and/or made to effect a translational movement.
  9. Device according to any one of Claims 1 to 8, characterized in that the mobile actuating member (9) comprises a translationally mobile rod.
EP19174800.3A 2018-06-04 2019-05-16 Pressurized fluid delivery device Active EP3578871B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19174800T PL3578871T3 (en) 2018-06-04 2019-05-16 Pressurized fluid delivery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1854815A FR3081965B1 (en) 2018-06-04 2018-06-04 DEVICE FOR PROVIDING PRESSURE FLUID

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EP3578871A1 EP3578871A1 (en) 2019-12-11
EP3578871B1 true EP3578871B1 (en) 2021-01-27

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US (1) US10711947B2 (en)
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CN (1) CN110553139B (en)
CA (1) CA3042903A1 (en)
DK (1) DK3578871T3 (en)
ES (1) ES2871408T3 (en)
FR (1) FR3081965B1 (en)
PL (1) PL3578871T3 (en)
PT (1) PT3578871T (en)

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FR3092643B1 (en) * 2019-02-11 2021-06-18 Air Liquide Pressurized fluid supply device and pressurized fluid storage assembly (s) comprising such a device
FR3092894B1 (en) * 2019-02-20 2021-10-15 Air Liquide Device for supplying pressurized fluid and bottle (s) for pressurized fluid comprising such a device
FR3093781B1 (en) * 2019-03-12 2021-02-12 Air Liquide Valve, pressurized fluid container and methods of filling and withdrawing.

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CN110553139A (en) 2019-12-10
CN110553139B (en) 2022-07-12
FR3081965B1 (en) 2020-05-08
ES2871408T3 (en) 2021-10-28
FR3081965A1 (en) 2019-12-06
PL3578871T3 (en) 2021-08-02
US20190368661A1 (en) 2019-12-05
EP3578871A1 (en) 2019-12-11
PT3578871T (en) 2021-04-13
CA3042903A1 (en) 2019-12-04
DK3578871T3 (en) 2021-04-19
US10711947B2 (en) 2020-07-14

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