EP4028688A1 - Pressure vessel and method for producing a pressure vessel - Google Patents
Pressure vessel and method for producing a pressure vesselInfo
- Publication number
- EP4028688A1 EP4028688A1 EP20811277.1A EP20811277A EP4028688A1 EP 4028688 A1 EP4028688 A1 EP 4028688A1 EP 20811277 A EP20811277 A EP 20811277A EP 4028688 A1 EP4028688 A1 EP 4028688A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- opening
- end piece
- pressure vessel
- valve
- overpressure
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 27
- 238000003754 machining Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000009172 bursting Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 235000013361 beverage Nutrition 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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 also relates to a method for producing a pressure vessel.
- Pressure vessels also referred to as gas cartridges
- a valve for coupling with an application, a valve, in particular a check valve, is arranged on the pressure vessel, which valve is screwed into the pressure vessel as a separate component.
- a valve generally comprises a connection thread designed as an external thread, which is set up to be coupled to a corresponding connection thread on the application in a media-tight manner.
- the valve also includes an overpressure safety device.
- a container for beverages which comprises a valve arrangement.
- the valve arrangement comprises a housing and a beverage channel with a valve body, operating means being provided for moving the valve body.
- the operating means comprise first coupling means for coupling the beverage channel to a filling device for filling the container through the valve body and second coupling means for coupling the beverage channel to a filling device for filling the container through the valve body.
- the invention is based on the object of specifying a pressure vessel which is improved over 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 in one piece with the vessel body. Furthermore, the pressure vessel comprises an end piece with an opening which is arranged at an upper end of the vessel body and is formed in one piece with the vessel body.
- a connection geometry for example an external thread, a latching arrangement or a quick-release fastener, is arranged on the outside of a wall surrounding the opening of the end piece, the wall with the connection geometry forming a connection which is set up to be coupled or to be media-tightly coupled to a corresponding further connection be.
- 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 in an overpressure opening of the end piece or an overpressure opening in the container body.
- the pressure vessel for example a pressurized gas container, enables the valve or a valve function to be integrated into the end piece and a direct, media-tight coupling of the pressure vessel to the further connection, for example a connection to an application.
- the connection geometry for example a so-called ACME thread
- the valve can be omitted as a separate component.
- a base body of the valve made of brass for example, can be omitted or at least significantly weaker in terms of its material thickness and material quantity. In this way, the cost of materials and costs can be significantly reduced. For example, measurement savings 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 costs are reduced.
- a seal provided in the prior art for sealing the valve against the pressure vessel in particular a so-called O-ring, can also be omitted, which also results in a reduction in the number of individual parts and a reduction in costs.
- the valve Due to the integration of the valve in the pressure vessel and the formation of the external thread on the end piece, the valve no longer has to be made of brass.
- both the pressure vessel, ie the container body with the container 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, on the other hand, at least all components responsible for media tightness are made of the same material with the same coefficient of thermal expansion, and thus different expansions and the resulting leaks Temperature changes are avoided. Simple and complete recycling is also possible when designing the components of the valve and the pressure vessel.
- the fastening structure comprises a material protruding from the inside of the wall.
- the material projection is designed, for example, in the form of a step.
- the material is produced before jump by machining the inside of the wall, for example by producing a so-called stepped bore.
- the material before jump can also be generated in a forming process, for example a roll forming process, during the formation of the end piece.
- other methods of 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. Furthermore, the valve comprises a sealing plunger which, in a closed position, closes the passage opening of the sealing element in a media-tight manner and, in an open position, releases the passage opening at least in sections.
- the valve comprises a spring element, which is supported with a first end on the material in front of jump and with an opposite second end on the sealing plunger, the spring element being compressed when the sealing plunger 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. Costs for realizing the valve and for its assembly are particularly low.
- seals there is a seal between the sealing element and the end piece, for example in the form of an O-ring, arranged.
- a seal for example in the form of an O-ring, is also arranged between the sealing element and the sealing plunger.
- 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 of producing the internal thread 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. Furthermore, the valve comprises a sealing plunger which, in a closed position, closes the passage opening of the sealing element in a media-tight manner and, in an open position, releases the passage opening at least in sections.
- the valve comprises an Ab support element, which comprises an external thread corresponding to the internal thread of the fastening structure and is screwed into the internal thread, the Ab support element being at least essentially ring-shaped or tubular and a material protruding from the inside in front of an inside facing away from the external thread includes jump or, in the screwed-in state, 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 in front of jump and with an opposite second end on the sealing plunger, the spring element being compressed when the sealing plunger moves from the closed position to the open position.
- the valve is characterized by a small number of components, is easy to assemble and is characterized are characterized by a high level of reliability. Costs for realizing the valve and for its assembly 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 plunger.
- the valve comprises a valve body with an external thread corresponding to the internal thread of the fastening structure, the valve body, when screwed into the internal thread, being arranged in the area of the opening of the end piece, starting from the opening into the end piece the end piece rests in a media-tight manner and comprises a sealing element with a passage opening.
- the valve comprises a sealing plunger arranged within the valve body, which in a closed position closes the passage opening of the sealing element in a media-tight manner and in an open position releases the passage opening at least in sections.
- 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, the spring element when the sealing tappet moves from the closed Position is compressed 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 plunger.
- the overpressure opening is formed in the vessel bottom.
- the installation space required for accommodating the pressure vessel in an application can be reduced and assembly of the pressure vessel in the installation space is simplified.
- the overpressure safety device comprises a bursting disc which is secured with a screw comprising a ventilation bolt.
- a design of the overpressure protection is particularly simple, inexpensive and reliable.
- the overpressure safety device is designed for a release pressure of 250 bar.
- any other trigger pressure values are also possible.
- the bursting disc is fluidically coupled to an interior of the pressure vessel and is held at the edge by the screw, within which a ventilation bolt is formed or arranged. If the trigger pressure is exceeded, the rupture disc is mechanically destroyed and releases a fluidic connection between the ventilation 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 which corresponds to an external thread of the screw and 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 methods of producing the internal thread are also possible.
- the container body and the end piece are produced together from a material blank in a roll forming process. Furthermore, the connection geometry and the fastening structure for the valve are produced by machining and / or forming, in particular during the roll forming process, and / or application of material and / or other suitable processes in the area of the end piece and then the valve is created in the area of the opening on End piece attached.
- the pressure vessel can be produced particularly easily and with high quality by means of the roll forming process.
- the production of the fastening structure and the fastening of the valve can also be implemented in a particularly simple, reliable and inexpensive manner.
- the overpressure opening is generated in the area of the end piece or in the container bottom by means of machining and / or forming, in particular during the roll forming process, and / or the application of material and / or other suitable methods, and then the overpressure protection at the overpressure opening attached.
- the generation of the overpressure opening and the attachment of the overpressure safety device are particularly simple, reliable and can be implemented at low cost. Exemplary embodiments of the invention are described below with reference to FIG.
- Figure 1 is a schematic sectional view of a first embodiment of a pressure vessel
- Figure 2 schematically shows a detailed representation of a section of the
- FIG. 3 schematically shows a sectional illustration of a second exemplary embodiment of a pressure vessel
- FIG. 4 schematically shows a detailed representation of a section of the
- FIG. 5 schematically shows a sectional illustration of a third exemplary embodiment of a pressure vessel
- FIG. 6 schematically shows a detailed representation of a section of the
- FIG. 7 schematically shows a detailed representation of a section of the
- FIG. 8 schematically shows a sectional illustration of a fourth exemplary embodiment of a pressure vessel
- FIG. 9 schematically shows a detailed representation of a section of the
- FIG. 10 schematically shows a sectional illustration of a fifth exemplary embodiment of a pressure vessel
- FIG. 11 schematically shows a detailed representation of a section of the
- FIG. 12 schematically shows a detailed representation of a section of the
- FIG. 1 shows a sectional illustration of a possible first exemplary embodiment of a pressure vessel 1.
- FIG. 2 shows a detailed representation of a section of the pressure vessel 1 according to FIG. 1 in the area of an end piece 2.
- the pressure vessel 1 is, for example, a pressurized gas container and is designed to hold a gas under high pressure.
- the pressure vessel 1 is a so-called gas cartridge.
- the pressure container 1 comprises a container body 3 with a container base 4 arranged at a lower end and formed in one piece with the container body 3.
- the end piece 2 is arranged at an end opposite the container bottom 4 and is formed in one piece 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 together in a forming process, for example a roll forming process, made from a material blank, for example from an aluminum blank.
- connection geometry 5 introduced on the outside of a wall 2.1 surrounding the opening O of the end piece 2, which in the illustrated embodiment is designed as an external thread, for example a so-called ACME thread.
- the wall 2.1 with the connection geometry 5 forms a connection which is set up to be or to be coupled to a corresponding further connection of the corresponding application in a media-tight manner.
- the connection geometry 5 is also generated during the shaping of the end piece 2 in the shaping process and / or is generated by means of machining after shaping and / or by applying material and / or other suitable methods.
- a valve 6 designed as a check valve is arranged inside the end piece 2.
- the valve 6 comprises a sealing element 6.1, which is arranged on the opening O of the end piece 2, protrudes from the opening O into the end piece 2, 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 formed from aluminum, for example.
- the valve 6 further comprises a sealing plunger 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, releases the passage opening DO at least in sections.
- a further seal 6.4 designed as an O-ring is arranged between the sealing plunger 6.3 and the sealing element 6.1.
- the sealing plunger 6.3 is formed from aluminum, for example.
- the valve 6 comprises a spring element 6.5, for example a helical spring, which presses the sealing plunger 6.3 against the sealing element 6.1, the spring element 6.5 being compressed when the sealing plunger 6.3 moves from the closed position to the open position.
- This movement of the sealing plunger 6.3 takes place when the pressure vessel 1 is coupled to the application, an actuating element being provided at the connection of the corresponding application, which the sealing plunger 6.3 when fastened to the connection geometry 5, for example when screwing the external thread into the connection, against the Spring force presses in the direction of the container bottom 4 and thus creates a fluidic connection between an interior of the pressurized container 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 protruding from the inside of the wall 2.1 in front of jump 8 on which the spring element 6.5 is supported.
- the fastening structure 7 with the material before jump 8 is generated during the shaping of the end piece 2 in the shaping process and / or by means of machining after shaping and / or by applying material and / or other suitable methods.
- the pressure vessel 1 comprises an overpressure safety device 9 with a bursting disc 9.1, which is secured with a screw 9.2, including a venting bolt 9.3.
- an overpressure opening UO is formed in the wall 2.1 of the end piece 2, the overpressure opening UO being generated during the shaping of the end piece 2 in the shaping process and / or by means of machining after shaping and / or by applying material and / or others suitable process is generated.
- a wall delimiting the overpressure opening UO has an internal thread 10 which corresponds to an external thread of the screw 9.2 and into which the screw 9.2 is screwed.
- the rupture disc 9.1 is fluidically coupled to an interior of the pressure vessel 1 and rests on the edge of a material in front of jump 11 in the overpressure opening UO and is held on a side opposite the material in front of jump 11 on the edge side by the screw 9.2, within which the vent bolt 9.3 is formed or arranged. If a release pressure of 250 bar, for example, is exceeded, the rupture disc 9.1 is mechanically destroyed and releases a fluidic connection between the ventilation 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.
- FIG. 3 shows a sectional illustration of a possible second exemplary embodiment of a pressure vessel 1.
- FIG. 4 shows a detailed representation of a section of the pressure vessel 1 according to FIG. 3 in the area of an end piece 2.
- the fastening structure 7 comprises an internal thread 12 arranged on the inside of the wall 2.1 of the end piece 2.
- the valve 6 comprises 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 from aluminum, for example.
- the Ab support element 6.6 is at least substantially ring-shaped or tubular formed and comprises on an inside facing away from the external thread 6.6.1 a material projection 6.6.2 protruding from the inside.
- the support element 6.6 forms, in the screwed-in state, a material protruding from the inside of the wall 2.1 of the end piece 2.
- the material in front of jump 6.6.2 of the ab support element 6.6 is provided to support the spring element 6.5 of the valve 6 and fulfills the same task as the material projection 8 of the fastening structure 7 shown in FIGS.
- the support element 6.6 has a guide section 6.6.3 for guiding the spring element 6.5.
- FIG. 5 shows a sectional illustration of a possible third exemplary embodiment of a pressure vessel 1.
- FIG. 6 shows a detailed representation of a section of the pressure vessel 1 according to FIG. 5 in the region of an end piece 2.
- FIG. 7 shows a detailed representation of a section of the pressure vessel 1 according to FIG. 5 in the region 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 bottom 4 has a section shaped towards the interior of the pressure container 1, so that a depression 4.1 is created on an outside.
- 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 in accordance with the overpressure safety device 9 of the first exemplary embodiment of the pressure vessel 1.
- FIG. 8 shows a sectional view of a possible fourth exemplary embodiment of a pressure vessel 1.
- FIG. 9 shows a detailed view of a section of the pressure vessel 1 according to FIG. 8 in the area of an end piece 2.
- the fastening structure 7 comprises an internal thread 12 arranged on the inside of the wall 2.1 of the end piece 2.
- the valve 6 comprises 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, protrudes from the opening O into the end piece 2, rests against the end piece 2 in a media-tight manner and encompasses the sealing element 6.1 with the passage opening DO.
- the valve body 6.7 is formed from aluminum, for example.
- valve 6 comprises the sealing plunger 6.3, which is arranged inside 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, which is with its first end on the support element 6.6 and with his opposite second end is supported on the sealing plunger 6.3.
- the function of the sealing element 6.1, the sealing plunger 6.3 and the spring 6.5 correspond to the function of the sealing element 6.1, the sealing plunger 6.3 and the spring 6.5 of the first embodiment shown in FIGS.
- valve 6 Due to the design of the valve 6 with the valve body 6.7, this can be screwed into the end piece 2 as a whole.
- FIG. 10 shows a sectional view of a possible fifth exemplary embodiment of a pressure vessel 1.
- FIG. 11 shows a detailed view of a section of the pressure vessel 1 according to FIG. 10 in the area of an end piece 2.
- FIG. 12 shows a detailed illustration of a section of the pressure vessel 1 according to FIG. 10 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 bottom 4 has a section shaped towards the interior of the pressure container 1, so that a depression 4.1 is created on an outside.
- 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 in accordance with the overpressure safety device 9 of the first exemplary embodiment of the pressure vessel 1.
- REFERENCE SIGN LIST Pressure vessel end piece wall vessel body vessel bottom recess connection geometry valve sealing element seal sealing tappet seal spring element support element .6.1 external thread .6.2 material protrusion .6.3 guide section valve body .7.1 external thread .7.2 internal thread fastening structure material protrusion overpressure safety rupture disc screw ventilation bolt internal thread 11 material preload
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019217896.0A DE102019217896B4 (en) | 2019-11-20 | 2019-11-20 | Pressure vessel and method of making a pressure vessel |
PCT/EP2020/082833 WO2021099542A1 (en) | 2019-11-20 | 2020-11-20 | Pressure vessel and method for producing a pressure vessel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4028688A1 true EP4028688A1 (en) | 2022-07-20 |
EP4028688B1 EP4028688B1 (en) | 2024-04-24 |
Family
ID=73543249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20811277.1A Active EP4028688B1 (en) | 2019-11-20 | 2020-11-20 | Pressure vessel and method for producing a pressure vessel |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4028688B1 (en) |
DE (1) | DE102019217896B4 (en) |
WO (1) | WO2021099542A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202021105982U1 (en) | 2021-11-02 | 2022-02-09 | Andreas Jahn | pressure vessel |
DE102021212342B3 (en) | 2021-11-02 | 2022-11-24 | Andreas Jahn | Pressure vessel with several lateral outflow openings |
DE102021132643B3 (en) | 2021-12-10 | 2023-02-23 | ASS-NBG GmbH | Pressure vessel and method of filling it |
DE202021106738U1 (en) | 2021-12-10 | 2023-03-15 | ASS-NBG GmbH | pressure vessel |
EP4276348A1 (en) * | 2022-05-09 | 2023-11-15 | Sodapop Gmbh | Valve for a gas cartridge, gas cartridge for a water sprinkler and method for filling such a gas cartridge |
WO2023227531A1 (en) * | 2022-05-27 | 2023-11-30 | Sodapop Gmbh | Valve for a gas cartridge, gas cartridge for a water carbonator, and method for filling such a gas cartridge |
Family Cites Families (9)
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 (en) * | 1998-07-15 | 2000-01-19 | Heineken Tech Services | Valve assembly for a beverage container, container for beverage and method for filling and emptying a beverage container. |
JP2003090499A (en) * | 2001-09-19 | 2003-03-28 | Samtec Kk | High pressure tank device |
TR200202119A2 (en) * | 2002-08-29 | 2003-06-23 | Hakan@Deni̇zyaran | Devices that allow 12 grams of carbon dioxide tubes to be filled individually. |
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. |
US20180038553A9 (en) * | 2014-02-04 | 2018-02-08 | Strauss Water Ltd. | Pressurized gas container |
-
2019
- 2019-11-20 DE DE102019217896.0A patent/DE102019217896B4/en active Active
-
2020
- 2020-11-20 EP EP20811277.1A patent/EP4028688B1/en active Active
- 2020-11-20 WO PCT/EP2020/082833 patent/WO2021099542A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102019217896B4 (en) | 2021-07-22 |
EP4028688B1 (en) | 2024-04-24 |
DE102019217896A1 (en) | 2021-05-20 |
WO2021099542A1 (en) | 2021-05-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102019217896B4 (en) | Pressure vessel and method of making a pressure vessel | |
DE102008053229A1 (en) | Tensioning device for use in belt retractor for safety belt in motor vehicle, has piston element slidably arranged in channel and comprising elastic sealing element connected with dimensionally stable spherical base body | |
EP1725797A1 (en) | Valve | |
DE4018494A1 (en) | METHOD FOR ADJUSTING A PISTON CYLINDER ARRANGEMENT | |
EP1918626B1 (en) | Accumulator for damping pressure pulsations | |
DE102013015515A1 (en) | Device for draining gas | |
EP4174358A1 (en) | Pressure vessel having multiple lateral outflow apertures | |
DE102021132643B3 (en) | Pressure vessel and method of filling it | |
DE102009057165A1 (en) | Cartridge stop for vibration damper, is provided with housing, bush arranged in housing along axis, where return spring is disposed in housing | |
DE202021105982U1 (en) | pressure vessel | |
DE102019210515A1 (en) | Tank device for storing a gaseous medium | |
DE2825165C2 (en) | Controllable valve for a fire extinguishing system | |
DE102008001523A1 (en) | threaded connector | |
DE19911030A1 (en) | Pressure fluid accumulator | |
DE102011053445B4 (en) | Duct connection | |
DE102019007550A1 (en) | Pressurized gas container | |
DE202021106738U1 (en) | pressure vessel | |
DE19853652B4 (en) | Method for producing pressure relief valves for hydraulic systems of power steering systems | |
DE102019120227A1 (en) | Valve and device for regulating pressures of a fluid with the valve and device for securing the valve in the transmission component | |
EP0980981A1 (en) | Fluid pressure accumulator | |
DE19614982C1 (en) | High pressure line connection | |
DE102017205486A1 (en) | Hydraulic block for a hydraulic unit for a hydraulic vehicle brake system | |
DE102010019327B4 (en) | valve means | |
DE102022205439A1 (en) | Hydraulic assembly, housing assembly for a hydraulic assembly and method for producing a housing assembly | |
WO1989001879A1 (en) | Coupling piece for insertion in an opening of a container |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20220412 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20231120 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502020007786 Country of ref document: DE |