EP4028688B1 - Récipient sous pression et procédé de fabrication d'un récipient sous pression - Google Patents

Récipient sous pression et procédé de fabrication d'un récipient sous pression Download PDF

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Publication number
EP4028688B1
EP4028688B1 EP20811277.1A EP20811277A EP4028688B1 EP 4028688 B1 EP4028688 B1 EP 4028688B1 EP 20811277 A EP20811277 A EP 20811277A EP 4028688 B1 EP4028688 B1 EP 4028688B1
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EP
European Patent Office
Prior art keywords
end piece
opening
pressure
valve
pressure vessel
Prior art date
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Application number
EP20811277.1A
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German (de)
English (en)
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EP4028688A1 (fr
EP4028688C0 (fr
Inventor
Andreas Jahn
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Individual
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Individual
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Priority to EP24170782.7A priority Critical patent/EP4379253A2/fr
Publication of EP4028688A1 publication Critical patent/EP4028688A1/fr
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Publication of EP4028688B1 publication Critical patent/EP4028688B1/fr
Publication of EP4028688C0 publication Critical patent/EP4028688C0/fr
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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
    • 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
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0119—Shape cylindrical with flat 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
    • F17C2201/058—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
    • 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
    • F17C2203/0646—Aluminium
    • 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
    • F17C2205/0314—Closure means breakable, e.g. with burst discs
    • 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
    • F17C2205/0323—Valves
    • F17C2205/0332—Safety valves or pressure relief 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/013—Carbone dioxide
    • 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
    • F17C2223/033—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
    • 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
    • F17C2223/035—High pressure (>10 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/012—Reducing weight
    • 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
    • F17C2260/013—Reducing manufacturing time or effort
    • 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
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • 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
    • 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
    • F17C2270/0736—Capsules, e.g. CO2

Definitions

  • the invention relates to a pressure vessel.
  • the invention further relates to a method for producing a pressure vessel.
  • Pressure vessels also referred to as gas cartridges
  • a valve for coupling to an application, a valve, in particular a check valve, is arranged on the pressure vessel, which is screwed into the pressure vessel as a separate component.
  • a valve generally comprises a connection thread designed as an external thread, which is designed to be coupled to a corresponding connection thread on the application in a media-tight manner.
  • the valve also comprises an overpressure protection device.
  • From the EP2 914 542 B 1 is a container with a body and a neck, wherein a valve or a valve arrangement is provided on the neck.
  • the EP 1 783 092 B1 a container for drinks which comprises a valve arrangement.
  • the valve arrangement comprises a housing and a drinks channel with a valve body, wherein operating means are provided for moving the valve body.
  • the operating means comprise first coupling means for coupling the drinks channel to a filling device for filling the container through the valve body and second coupling means for coupling the drinks channel to a filling device for filling the container through the valve body.
  • the US2018/038553 A9 describes a compressed gas container comprising a container body with a container bottom.
  • the container body defines a compressed gas housing with a neck formed integrally therewith.
  • the neck has an end portion having on an outer side a coupling structure for coupling to a coupling element and provided with a plug.
  • the plug is formed with a bore provided with a blocking element forming a gas-tight barrier sealing the housing.
  • the blocking element is a rupturable or pierceable metal sheet configured for rupturing or piercing a gas channeling element of the coupling element by a shaft.
  • the blocking element has one or more sealing elements that are different from the blocking element and configured to form a gas-tight connection with the shaft.
  • the invention is based on the object of specifying a pressure vessel which is improved compared to the prior art and an improved method for producing such a pressure vessel.
  • the pressure vessel comprises a vessel body with a vessel bottom arranged at a lower end and formed integrally with the vessel body.
  • the pressure vessel further comprises an end piece arranged at an upper end of the vessel body and formed integrally with the vessel body and having an opening.
  • a connection geometry for example an external thread, a locking arrangement or a Quick release fastener, wherein the wall with the connection geometry forms a connection which is designed to be coupled to a corresponding further connection in a media-tight manner.
  • a fastening structure for a valve for example a check valve, is formed on the inside of the wall surrounding the opening of the end piece and an overpressure safety device is provided which is arranged in an overpressure opening of the end piece or an overpressure opening of the container body.
  • the pressure vessel for example a compressed gas vessel, enables the integration of the valve or a valve function into the end piece and a direct media-tight coupling of the pressure vessel with the further connection, for example a connection of an application.
  • the valve can be omitted as a separate component.
  • a number of individual parts can be reduced, and a base body of the valve made of brass, for example, can be omitted or at least made significantly weaker in terms of its material thickness and amount of material. This means that material and cost expenditure can be significantly reduced. For example, a measurement saving of up to 200 g per pressure vessel with valve can be achieved.
  • connection geometry on the end piece and thus on the pressure vessel due to the design of the connection geometry on the end piece and thus on the pressure vessel, reliable and improved media tightness can be achieved, which results in particular from a reduction in the number of joints and their sealing compared to the solutions known from the prior art with a separate valve. Furthermore, assembly effort is reduced.
  • a seal provided in the prior art for sealing the valve against the pressure vessel in particular a so-called O-ring, can be omitted, which also results in a reduction in the number of individual parts and a reduction in costs.
  • both the pressure vessel i.e. the vessel body with the vessel base and the end piece, and the components of the valve are made of aluminum. This has the advantage that particularly low costs can be achieved and that at least all components responsible for the media tightness are made of the same material with the same thermal expansion coefficient, thus avoiding different expansions and the resulting leaks when temperatures change.
  • the design of the components of the valve and the pressure vessel also allows for simple and complete recycling.
  • the fastening structure comprises an internal thread arranged on the inside of the wall.
  • the internal thread is produced by machining the inside of the wall.
  • the internal thread can also be produced in a forming process, for example a roll forming process, during the formation of the end piece.
  • other methods for producing the internal thread are also possible.
  • the valve further comprises a sealing element which is arranged at the opening of the end piece, extends from the opening into the end piece, rests against the end piece in a media-tight manner and comprises a passage opening.
  • the valve further comprises a sealing tappet which, in a closed position, closes the passage opening of the sealing element in a media-tight manner and, in an open position, closes the passage opening at least in sections. releases.
  • the valve comprises a support element which comprises an external thread corresponding to the internal thread of the fastening structure and is screwed into the internal thread, wherein the support element is at least substantially ring-shaped or tubular and comprises a material projection protruding from the inside on an inner side facing away from the external thread or, when screwed in, forms a material projection protruding from the inside of the wall of the end piece.
  • the valve comprises a spring element which is supported with a first end on the material projection and with an opposite second end on the sealing tappet, wherein the spring element is compressed when the sealing tappet moves from the closed position to the open position.
  • the valve is also characterized by a small number of components, is easy to assemble and is characterized by high reliability. Costs for realizing the valve and for assembling it are also particularly low.
  • a seal for example in the form of an O-ring, is arranged between the sealing element and the end piece.
  • a seal for example in the form of an O-ring, is also arranged between the sealing element and the sealing tappet.
  • the fastening structure comprises a material projection protruding from the inside of the wall.
  • the material projection is, for example, step-shaped.
  • the material projection is produced by machining the inside of the wall, for example by creating a so-called stepped bore.
  • the material projection can also be produced in a forming process, for example a roll forming process, during the formation of the end piece.
  • other methods for producing the material projection are also possible.
  • the valve comprises a sealing element which is arranged at the opening of the end piece, protrudes from the opening into the end piece, rests against the end piece in a media-tight manner and comprises a passage opening.
  • the valve also comprises a sealing tappet which, in a closed position, closes the passage opening of the sealing element in a media-tight manner and, in an open position, opens the passage opening at least in sections.
  • the valve comprises a spring element which is supported with a first end on the material projection and with an opposite second end on the sealing tappet, wherein the spring element is compressed when the sealing tappet moves from the closed position to the open position.
  • the valve is characterized by a particularly small number of components, is easy to assemble and is characterized by a high level of reliability. The costs for realizing the valve and for assembling it are particularly low.
  • a seal for example in the form of an O-ring, is arranged between the sealing element and the end piece.
  • a seal for example in the form of an O-ring, is also arranged between the sealing element and the sealing tappet.
  • the valve comprises a valve body with an external thread corresponding to the internal thread of the fastening structure, wherein the valve body, when screwed into the internal thread, is arranged in the region of the opening of the end piece, protrudes from the opening into the end piece, rests against the end piece in a media-tight manner and comprises a sealing element with a passage opening. Furthermore, the valve comprises a sealing tappet arranged within the valve body, which closes the passage opening of the sealing element in a media-tight manner in a closed position and opens the passage opening at least in sections in an open position.
  • the valve comprises a support element connected to the valve body or formed on the valve body and a spring element which is supported with a first end on the support element and with an opposite second end on the sealing tappet, wherein the spring element is compressed when the sealing tappet moves from the closed position to the open position.
  • a seal for example in the form of an O-ring, is arranged between the sealing element and the end piece.
  • a seal for example in the form of an O-ring, is also arranged between the sealing element and the sealing tappet.
  • the overpressure opening is formed in the vessel base. If the vessel base is designed accordingly, for example with a corresponding recess, this enables an integrated arrangement of the overpressure protection without it protruding beyond an outer edge of the pressure vessel. This increases protection against mechanical damage to the overpressure protection. Furthermore, the installation space required to accommodate the pressure vessel in an application can be reduced and assembly of the pressure vessel in the installation space is simplified.
  • the overpressure protection comprises a bursting disc, which is secured with a screw comprising a vent bolt.
  • Overpressure protection is particularly simple, cost-effective and reliable.
  • the overpressure protection is designed for a trigger pressure of 250 bar.
  • any other trigger pressure values are also possible.
  • the rupture disk is fluidically coupled to the interior of the pressure vessel and is held at the edge by the screw, within which a vent bolt is formed or arranged. If the trigger pressure is exceeded, the rupture disk is mechanically destroyed and releases a fluidic connection between the vent bolt and the interior of the pressure vessel, so that fluid, for example gas, located inside the pressure vessel can escape.
  • the overpressure opening comprises an internal thread that corresponds to an external thread of the screw, into which the screw is screwed.
  • the internal thread is produced by machining.
  • the internal thread can also be produced in a forming process, for example a roll forming process, during the formation of the end piece.
  • other processes for producing the internal thread are also possible.
  • the vessel body and the end piece are produced together from a material blank in a roll forming process.
  • the connection geometry and the fastening structure for the valve are produced by means of machining and/or forming, in particular during the roll forming process, and/or applying material and/or other suitable processes in the area of the end piece and then the valve is fastened in the area of the opening on the end piece in such a way that the support element with the external thread is screwed into the corresponding internal thread of the fastening structure.
  • the pressure vessel is can be manufactured particularly easily and with high quality using the roll forming process.
  • the production of the fastening structure and the fastening of the valve are also particularly easy, reliable and can be implemented at low cost.
  • the overpressure opening is created in the area of the end piece or in the container base by means of machining and/or forming, in particular during the roll forming process, and/or applying material and/or other suitable processes and then the overpressure safety device is attached to the overpressure opening.
  • the creation of the overpressure opening and the attachment of the overpressure safety device are particularly simple, reliable and can be implemented at low cost.
  • Figure 1 a sectional view of a possible first embodiment of a pressure vessel 1 is shown.
  • Figure 2 shows a detailed view of a section of the pressure vessel 1 according to Figure 1 in the area of an end piece 2.
  • the pressure vessel 1 is, for example, a compressed gas vessel and is designed to hold a gas under high pressure.
  • the pressure vessel 1 is a so-called gas cartridge.
  • the pressure vessel 1 comprises a vessel body 3 with a vessel bottom 4 arranged at a lower end and formed integrally with the vessel body 3.
  • the end piece 2 is arranged at an end opposite the container bottom 4 and is formed integrally with the container body 3.
  • the end piece 2 has an opening O.
  • the container bottom 4, the container body 3 and the end piece 2 are designed as a homogeneous one-piece component without joints and are manufactured together in a forming process, for example a roll forming process, from a material blank, for example from an aluminum blank.
  • connection geometry 5 which is introduced on the outside of a wall 2.1 surrounding the opening O of the end piece 2 and which is designed as an external thread, for example a so-called ACME thread, in the exemplary embodiment shown.
  • the wall 2.1 and the connection geometry 5 form a connection which is designed to be or is to be coupled in a media-tight manner to a corresponding further connection of the corresponding application.
  • the connection geometry 5 is created during the formation of the end piece 2 in the forming process and/or by means of machining after the forming and/or by applying material and/or other suitable processes.
  • a valve 6 designed as a check valve is arranged within the end piece 2.
  • the valve 6 comprises a sealing element 6.1, which is arranged at the opening O of the end piece 2, starting from the opening O into the end piece 2 protrudes, rests against the end piece 2 in a media-tight manner and comprises a passage opening DO.
  • a seal 6.2 designed as an O-ring is arranged between the sealing element 6.1 and the end piece 2.
  • the sealing element 6.1 is made of aluminum, for example.
  • the valve 6 further comprises a sealing tappet 6.3, which in a closed position shown penetrates the passage opening DO of the sealing element 6.1, closes it in a media-tight manner and in an open position not shown in detail, at least partially releases the passage opening DO.
  • a further seal 6.4 designed as an O-ring is arranged between the sealing tappet 6.3 and the sealing element 6.1.
  • the sealing tappet 6.3 is made of aluminum, for example.
  • the valve 6 also comprises a spring element 6.5, for example a helical spring, which presses the sealing tappet 6.3 against the sealing element 6.1, the spring element 6.5 being compressed when the sealing tappet 6.3 moves from the closed position to the open position.
  • a spring element 6.5 for example a helical spring, which presses the sealing tappet 6.3 against the sealing element 6.1, the spring element 6.5 being compressed when the sealing tappet 6.3 moves from the closed position to the open position.
  • This movement of the sealing tappet 6.3 occurs when the pressure vessel 1 is coupled to the application, an actuating element being provided at the connection of the corresponding application, which presses the sealing tappet 6.3 against the spring force in the direction of the vessel bottom 4 when it is attached to the connection geometry 5, for example when the external thread is screwed into the connection, and thus creates a fluidic connection between an interior of the pressure vessel 1 and the application.
  • the pressure vessel 1 comprises a fastening structure 7 formed on the inside of the wall 2.1 surrounding the opening O of the end piece 2.
  • the fastening structure 7 comprises a material projection 8 protruding from the inside of the wall 2.1, on which the spring element 6.5 is supported.
  • the fastening structure 7 with the material projection 8 is formed during the formation of the end piece 2 in the Forming processes and/or by machining after forming and/or by applying material and/or other suitable processes.
  • the pressure vessel 1 comprises an overpressure protection device 9 with a bursting disk 9.1, which is secured with a screw 9.2 comprising a vent bolt 9.3.
  • an overpressure opening UO is formed in the wall 2.1 of the end piece 2, wherein the overpressure opening UO is created during the forming of the end piece 2 in the forming process and/or by means of machining after the forming and/or by applying material and/or other suitable processes.
  • a wall delimiting the overpressure opening UO has an internal thread 10 corresponding to an external thread of the screw 9.2, into which the screw 9.2 is screwed.
  • the bursting disk 9.1 is fluidically coupled to the interior of the pressure vessel 1 and rests on the edge on a material projection 11 in the overpressure opening UO and is held on the edge on a side opposite the material projection 11 by the screw 9.2, within which the venting bolt 9.3 is formed or arranged. If a trigger pressure of, for example, 250 bar is exceeded, the bursting disk 9.1 is mechanically destroyed and releases a fluidic connection between the venting bolt 9.3 and the interior of the pressure vessel 1, so that fluid, for example gas, located inside the pressure vessel 1 can escape.
  • Figure 3 a sectional view of a possible second embodiment of a pressure vessel 1 is shown.
  • Figure 4 shows a Detailed view of a section of the pressure vessel 1 according to Figure 3 in the area of an end piece 2.
  • the fastening structure 7 comprises, instead of the material projection 8, an internal thread 12 arranged on the inside of the wall 2.1 of the end piece 2.
  • valve 6 comprises, in contrast to the valve shown in the Figures 1 and 2 illustrated first embodiment, a support element 6.6 which comprises an external thread 6.6.1 corresponding to the internal thread 12 of the fastening structure 7 and is screwed into the internal thread 12.
  • the support element 6.6 is formed, for example, from aluminum.
  • the support element 6.6 is at least substantially ring-shaped or tubular and comprises, on an inner side facing away from the external thread 6.6.1, a material projection 6.6.2 protruding from the inner side.
  • the support element 6.6 forms a material projection protruding from the inner side of the wall 2.1 of the end piece 2 when screwed in.
  • the material projection 6.6.2 of the support element 6.6 is intended to support the spring element 6.5 of the valve 6 and fulfils the same task as the Figures 1 and 2 shown material projection 8 of the fastening structure 7.
  • the support element 6.6 has a guide section 6.6.3 for guiding the spring element 6.5.
  • FIG 5 a sectional view of a possible third embodiment of a pressure vessel 1 is shown.
  • Figure 6 shows a detailed view of a section of the pressure vessel 1 according to Figure 5 in the area of an end piece 2.
  • Figure 7 is a detailed representation of a section of the pressure vessel 1 according to Figure 5 in the area of a container bottom 4.
  • the overpressure safety device 9 and the overpressure opening UO with the internal thread 10 and the material projection 11 are arranged in the container bottom 4 instead of in the wall 2.1 of the end piece 2.
  • the container base 4 has a section shaped towards the interior of the pressure vessel 1, so that a recess 4.1 is created on an outer side.
  • This recess 4.1 enables the overpressure safety device 9 to be arranged in such a way that it does not protrude beyond an outer edge of the pressure vessel 1.
  • the overpressure safety device 9 is otherwise designed according to the overpressure safety device 9 of the first embodiment of the pressure vessel 1.
  • Figure 8 shows a sectional view of a possible fourth embodiment of a pressure vessel 1.
  • Figure 9 is a detailed view of a section of the pressure vessel 1 according to Figure 8 in the area of an end piece 2.
  • the fastening structure 7 comprises, instead of the material projection 8, an internal thread 12 arranged on the inside of the wall 2.1 of the end piece 2.
  • valve 6 comprises, in contrast to the valve shown in the Figures 1 and 2 illustrated first embodiment, a valve body 6.7 with an external thread 6.7.1 corresponding to the internal thread 12 of the fastening structure 7.
  • the valve body 6.7 is arranged in the area of the opening O of the end piece 2 when screwed into the internal thread 12, protrudes from the opening O into the end piece 2, rests against the end piece 2 in a media-tight manner and comprises the sealing element 6.1 with the Passage opening DO.
  • the valve body 6.7 is made of aluminum, for example.
  • valve 6 comprises the sealing tappet 6.3, which is arranged within the valve body 6.7.
  • valve 6 comprises a support element 6.6, which is connected to the valve body 6.7.
  • the support element 6.6 comprises an external thread 6.6.1 and the valve body 6.7 comprises a corresponding internal thread 6.7.2, into which the support element 6.6 is screwed.
  • the spring element 6.5 is arranged within the valve body 6.7 and is supported with its first end on the support element 6.6 and with its opposite second end on the sealing tappet 6.3.
  • the function of the sealing element 6.1, the sealing tappet 6.3 and the spring 6.5 correspond to the function of the sealing element 6.1, the sealing tappet 6.3 and the spring 6.5 of the Figures 1 and 2 illustrated first embodiment.
  • valve 6 Due to the design of the valve 6 with the valve body 6.7, the latter can be screwed as a whole into the end piece 2.
  • Figure 10 shows a sectional view of a possible fifth embodiment of a pressure vessel 1.
  • Figure 11 is a detailed view of a section of the pressure vessel 1 according to Figure 10 in the area of an end piece 2.
  • Figure 12 shows a detailed view of a section of the pressure vessel 1 according to Figure 10 in the area of a container bottom 4.
  • the fourth embodiment shown is the overpressure protection 9 and the Overpressure opening UO with the internal thread 10 and the material projection 11 is arranged in the container bottom 4 instead of in the wall 2.1 of the end piece 2.
  • the container base 4 has a section shaped towards the interior of the pressure vessel 1, so that a recess 4.1 is created on an outer side.
  • This recess 4.1 enables the overpressure safety device 9 to be arranged in such a way that it does not protrude beyond an outer edge of the pressure vessel 1.
  • the overpressure safety device 9 is otherwise designed according to the overpressure safety device 9 of the first embodiment of the pressure vessel 1.

Landscapes

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

Claims (8)

  1. Récipient sous pression (1), comprenant
    - un corps de récipient (3) avec un fond de récipient (4) agencé à une extrémité inférieure et réalisé d'un seul tenant avec le corps de récipient (3),
    - une pièce d'extrémité (2) agencée à une extrémité supérieure du corps de récipient (3) et réalisée d'un seul tenant avec le corps de récipient (3) avec une ouverture (O),
    - une géométrie de raccordement (5) agencée du côté extérieur sur une paroi (2.1) entourant l'ouverture (O) de la pièce d'extrémité (2), la paroi (2.1) formant avec la géométrie de raccordement (5) un raccordement qui est adapté pour être couplé de manière étanche au fluide avec un autre raccordement correspondant,
    - une structure de fixation (7) pour une soupape (6), formée du côté intérieur sur la paroi (2.1) entourant l'ouverture (O) de la pièce d'extrémité (2),
    - une sécurité de surpression (9) agencée dans une ouverture de surpression (UO) de la pièce d'extrémité (2) ou une ouverture de surpression (UO) du corps de récipient (3),
    caractérisé en ce que
    - la structure de fixation (7) comprend un filetage intérieur (12) agencé sur le côté intérieur de la paroi (2.1),
    - la soupape (6)
    - comprenant un élément d'étanchéité (6.1), qui est agencé sur l'ouverture (O) de la pièce d'extrémité (2), pénètre dans la pièce d'extrémité (2) à partir de l'ouverture (O), s'applique de manière étanche au fluide contre la pièce d'extrémité (2) et comprend une ouverture de passage (DO),
    - comprenant un poussoir d'étanchéité (6.3) qui, dans une position fermée, ferme de manière étanche au fluide l'ouverture de passage (DO) de l'élément d'étanchéité (6.1) et, dans une position ouverte, libère au moins par sections l'ouverture de passage (DO),
    - comprenant un élément d'appui (6.6) qui comprend un filetage extérieur (6.6.1) correspondant au filetage intérieur (12) de la structure de fixation (7) et qui est vissé dans le filetage intérieur (12), l'élément d'appui (6.6) étant réalisé au moins essentiellement sous forme annulaire ou sous forme tubulaire et comprenant, sur un côté intérieur détourné du filetage extérieur (6.6.1), une saillie de matériau (6.6.2) dépassant de ce côté intérieur ou formant, à l'état vissé, une saillie de matériau dépassant du côté intérieur de la paroi (2.1) de la pièce d'extrémité (2), et
    - comprenant un élément de ressort (6.5) qui s'appuie par une première extrémité sur la saillie de matériau (6.6.2) et par une deuxième extrémité opposée sur le poussoir d'étanchéité (6.3), l'élément de ressort (6.5) étant comprimé lors d'un mouvement du poussoir d'étanchéité (6.3) de la position fermée à la position ouverte.
  2. Récipient sous pression (1) selon la revendication 1, caractérisé en ce que la structure de fixation (7) comprend une saillie de matériau (8) dépassant du côté intérieur de la paroi (2.1).
  3. Récipient sous pression (1) selon la revendication 2, caractérisé en ce que la soupape (6)
    - comprend un élément d'étanchéité (6.1) qui est agencé sur l'ouverture (O) de la pièce d'extrémité (2), pénètre dans la pièce d'extrémité (2) à partir de l'ouverture (O), s'applique de manière étanche au fluide contre la pièce d'extrémité (2) et comprend une ouverture de passage (DO),
    - comprend un poussoir d'étanchéité (6.3) qui, dans une position fermée, ferme l'ouverture de passage (DO) de l'élément d'étanchéité (6.1) et qui, dans une position ouverte, libère au moins par sections l'ouverture de passage (DO), et
    - comprend un élément de ressort (6.5) qui s'appuie par une première extrémité sur la saillie de matériau (8) et par une deuxième extrémité opposée sur le poussoir d'étanchéité (6.3), l'élément de ressort (6.5) étant comprimé lors d'un mouvement du poussoir d'étanchéité (6.3) de la position fermée à la position ouverte.
  4. Récipient sous pression (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ouverture de surpression (UO) est réalisée dans le fond de récipient (4).
  5. Récipient sous pression (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la sécurité de surpression (9) comprend un disque de rupture (9.1) qui est sécurisé par une vis (9.2) comprenant un boulon d'aération (9.3).
  6. Récipient sous pression (1) selon la revendication 5, caractérisé en ce qu'une paroi délimitant l'ouverture de surpression (UO) comprend un filetage intérieur (10) correspondant à un filetage extérieur de la vis (9.2), dans lequel la vis (9.2) est vissée.
  7. Procédé de fabrication d'un récipient sous pression (1) selon l'une quelconque des revendications précédentes, dans lequel
    - le corps de récipient (3) et la pièce d'extrémité (2) sont fabriqués ensemble à partir d'une ébauche de matériau dans un procédé de formage par roulage,
    - la géométrie de raccordement (5) et la structure de fixation (7) pour la soupape (6) sont produites au moyen d'un usinage par enlèvement de copeaux et/ou d'un formage, notamment pendant le procédé de formage par roulage, et/ou l'application de matériau dans la zone de la pièce d'extrémité (2) et
    - la soupape (6) est fixée dans la zone de l'ouverture (O) sur la pièce d'extrémité (2) de telle sorte que l'élément d'appui (6.6) est vissé avec le filetage extérieur (6.6.1) dans le filetage intérieur (12) de la structure de fixation (7) correspondant à celui-ci .
  8. Procédé selon la revendication 7, dans lequel
    - l'ouverture de surpression (UO) est produite dans la zone de la pièce d'extrémité (2) ou dans le fond de récipient (4) au moyen d'un usinage par enlèvement de copeaux et/ou d'un formage, notamment pendant le procédé de formage par roulage, et/ou d'une application de matériau, et
    - la sécurité de surpression (9) est fixée à l'ouverture de surpression (UO).
EP20811277.1A 2019-11-20 2020-11-20 Récipient sous pression et procédé de fabrication d'un récipient sous pression Active EP4028688B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP24170782.7A EP4379253A2 (fr) 2019-11-20 2020-11-20 Récipient sous pression et procédé de fabrication d'un récipient sous pression

Applications Claiming Priority (2)

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DE102019217896.0A DE102019217896B4 (de) 2019-11-20 2019-11-20 Druckbehälter und Verfahren zur Herstellung eines Druckbehälters
PCT/EP2020/082833 WO2021099542A1 (fr) 2019-11-20 2020-11-20 Récipient sous pression et procédé de fabrication d'un récipient sous pression

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EP4028688A1 EP4028688A1 (fr) 2022-07-20
EP4028688B1 true EP4028688B1 (fr) 2024-04-24
EP4028688C0 EP4028688C0 (fr) 2024-04-24

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EP24170782.7A Pending EP4379253A2 (fr) 2019-11-20 2020-11-20 Récipient sous pression et procédé de fabrication d'un récipient sous pression

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Publication number Priority date Publication date Assignee Title
DE102021212342B3 (de) 2021-11-02 2022-11-24 Andreas Jahn Druckbehälter mit mehreren seitlichen Ausströmöffnungen
DE202021105982U1 (de) 2021-11-02 2022-02-09 Andreas Jahn Druckbehälter
DE202021106738U1 (de) 2021-12-10 2023-03-15 ASS-NBG GmbH Druckbehälter
DE102021132643B3 (de) 2021-12-10 2023-02-23 ASS-NBG GmbH Druckbehälter und Verfahren zu dessen Befüllen
EP4276348A1 (fr) * 2022-05-09 2023-11-15 Sodapop Gmbh Soupape pour cartouche de gaz, cartouche de gaz pour un dispositif de purification d'eau et procédé de remplissage d'une telle cartouche de gaz
EP4384749A1 (fr) * 2022-05-27 2024-06-19 Sodapop Gmbh Soupape pour cartouche de gaz, cartouche de gaz pour un dispositif de gazéification d'eau et procédé de remplissage d'une telle cartouche de gaz

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Publication number Priority date Publication date Assignee Title
ZA817195B (en) 1980-10-23 1983-03-30 Alcan Aluminium Ltd High pressure gas cylinders
GB2188115B (en) * 1986-03-17 1990-04-04 Isoworth Ltd Carbonation apparatus and gas connector therefor.
NL1009654C2 (nl) 1998-07-15 2000-01-19 Heineken Tech Services Klepsamenstel voor een drankcontainer, container voor drank en werkwijze voor het vullen en legen van een drankcontainer.
JP2003090499A (ja) 2001-09-19 2003-03-28 Samtec Kk 高圧タンク装置
TR200202119A2 (tr) * 2002-08-29 2003-06-23 Hakan@Deni̇zyaran 12 Gram karbondioksit tüplerini kişinin tek başına doldurabilmesini sağlayan aygıtlar.
GB0904624D0 (en) 2009-02-25 2009-04-29 Linde Ag Gas capsule
US8132564B2 (en) * 2009-09-04 2012-03-13 Gayston Corporation Pressure bottle for paintball marker
NL2009731C2 (en) 2012-10-30 2014-05-06 Heineken Supply Chain Bv Container and valve for a container.
EP3102869B1 (fr) * 2014-02-04 2020-01-01 Strauss Water Ltd Récipient de gaz comprimé

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Publication number Publication date
EP4028688A1 (fr) 2022-07-20
DE102019217896A1 (de) 2021-05-20
EP4379253A2 (fr) 2024-06-05
WO2021099542A1 (fr) 2021-05-27
EP4028688C0 (fr) 2024-04-24
DE102019217896B4 (de) 2021-07-22

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