EP3728933B1 - Adapter für druckgasbehälter - Google Patents

Adapter für druckgasbehälter Download PDF

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Publication number
EP3728933B1
EP3728933B1 EP18819218.1A EP18819218A EP3728933B1 EP 3728933 B1 EP3728933 B1 EP 3728933B1 EP 18819218 A EP18819218 A EP 18819218A EP 3728933 B1 EP3728933 B1 EP 3728933B1
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EP
European Patent Office
Prior art keywords
gas
adapter
neck
container
coupling
Prior art date
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Active
Application number
EP18819218.1A
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English (en)
French (fr)
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EP3728933A1 (de
Inventor
Haim Wilder
Gil YARDENI
Xu FENGMING
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.)
Strauss Water Ltd
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Strauss Water Ltd
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Publication of EP3728933A1 publication Critical patent/EP3728933A1/de
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Publication of EP3728933B1 publication Critical patent/EP3728933B1/de
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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
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • 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
    • F17C13/06—Closures, e.g. cap, breakable member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—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
    • 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
    • F17C2205/032—Closure means pierceable
    • 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
    • F17C2205/037—Quick connecting means, e.g. couplings
    • F17C2205/0373—Adapters
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/033—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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/035—High pressure, i.e. between 10 and 80 bars
    • 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

  • This disclosure concerns an adapter for a pressurized gas container, for example a disposable pressurized CO2 canister, for safely coupling the container to an appliance or system that utilize the pressurized gas, such as an appliance for preparing and dispensing a carbonated beverage.
  • a pressurized gas container for example a disposable pressurized CO2 canister
  • an appliance or system that utilize the pressurized gas, such as an appliance for preparing and dispensing a carbonated beverage.
  • Appliances for preparation of carbonated beverage often make use of pressurized carbon dioxide canisters that couple to a gas port of the appliance and, thus, deliver carbon dioxide into a carbonation system of the appliance.
  • Pressurized carbon dioxide canisters are typically designed for multiple use, although such which are intended for single use and, hence, disposable, have also been described (see, PCT applications WO 2015/118525 and WO 2017/195190 ).
  • Disposable canisters are sealed by a pierceable or rupturable seal, that once ruptured allows egress of gas from the canister.
  • Such canisters require dedicated adapters and such adapters have also been descried in the two PCT applications mentioned above.
  • This disclosure concerns an adapter for safely coupling a single-use pressurized gas container (or canister) to a gas port of an appliance, e.g. one intended for preparation of carbonated beverages.
  • the adapter may be an integral part of the appliance or may be a stand-alone device that is configured to be coupled to the appliance.
  • a stand-alone adapter may be used for coupling of a single-use pressurized gas container to an appliance originally designed for use with a multiple-use container.
  • the adapter of this disclosure has an integral safety mechanism that prevents unintended and/or uncontrolled disengagement of the container from the appliance as long as the pressure within the container exceeds a certain threshold.
  • an adapter for coupling a pressurized gas container to a gas port of an appliance.
  • the container is of a kind having an externally threaded neck and a barrier element disposed within an axial lumen in the container's neck for sealing the container's interior, such as the containers disclosed in PCT publications WO 2015/118525 and WO 2017/195190 .
  • the adapted comprises a plunger member and a plug, both of which functioning in order to safely couple and utilize the container to a device that utilizes pressurized gas, such that as long as pressure above a certain threshold exists in the container.
  • the adapter comprises a first coupling arrangement with an internally threaded neck receptacle for screw-type coupling with the container's neck and having a gas port portion coupled to or being configured for coupling to a gas port of the appliance.
  • the adapter has also a forwardly extending axial shaft configured to be received within said lumen, typically dimension to form a gas-tight association within the neck's axial lumen, and having a tip configured for piercing or rupturing the barrier upon screw-type engagement of the first coupling arrangement with said neck.
  • a gas conduit that comprises a shaft duct axially extending from one or more opening proximal to the tip and fluidly linked to other portions of the conduit. The conduit permits gas communication between the one or more openings and said gas port portion.
  • the adapter also comprises a blocking arrangement configured to block the decoupling of the first coupling arrangement from the container's neck as long as the pressure within the container exceeds a certain safety threshold, e.g. 1.5 or 2 bars.
  • This arrangement comprising a plunger member displaceable within a cavity between disengaged and engaged positions and configured for blocking said first coupling arrangement from decoupling from the neck when in the plunger is in the engaged position. A portion of the cavity is in gas communication with said gas duct, such that gas pressure within the duct causes displacement of the plunger member to said engaged position.
  • the adapter further comprises a plug fitted within the gas port portion and is displaceable between a gas flow-blocking state, in which it blocks the flow of gas from the cavity to the gas port of the appliance, and a gas flow-permitting state, in which it permits flow of gas into the gas port of the appliance.
  • the plug is axially switchable between the two states upon coupling of the adapter with the gas port and is biased to the gas flow-blocking state.
  • the adapter is configured such that the plug is biased to its gas flow-blocking state by a biasing arrangement (e.g. a spring) before the barrier element is pierced, and, once the barrier element is pierced - by the gas pressure within the cavity.
  • a biasing arrangement e.g. a spring
  • the plug is held in the gas flow-blocking state by the elevated gas pressure in the cavity.
  • the plug further ensures that even though the adapter may be coupled to the container and the barrier element pierced, still no gas flow out of the container will occur until the adapter is safely coupled to the gas port of the appliance and the plug is displaced into the gas flow-permitting state.
  • Such combination of a plunger and a plug increases the safety of coupling the container to the appliance, as once the barrier element is pierced by the shaft of the adapter a cavity filled with high pressure gas is formed within the adapter, the adapter is held securely onto the container by the pressure applied on the lips of the container by the plunger such that the adapter cannot be released from the container, and undesired gas release is prevented by the plug that is held in its gas flow-blocking state by the gas pressure within the cavity.
  • the plug may, by some embodiment, be received within a plug seat formed in the gas port portion.
  • the plug may have a rear end fitted with an elastic sealing member (e.g. an O-ring), such that the rear end sealingly engages the plug seat when in the gas flow-blocking state, and disengages the plug seat when in the gas flow-permitting state.
  • an elastic sealing member e.g. an O-ring
  • the plunger member is integral with said shaft and axially displaceable within an axial cavity between the disengaged and the engaged positions.
  • said gas duct terminates at a rear end of the plunger member and, accordingly, a gas pressure formed at said rear end causes the plunger member to displace into the engaged position in which it applies a gas pressure-induced axial force on the container's neck lips.
  • a neck-facing face of the plunger member comprises an annular depression around the shaft that is dimensioned for tight association with said lips in said engaged position of the plunger member.
  • the plunger member is radially displaceable within a radial cavity that defines a distal-proximal axis, along sidewalls of the cavity.
  • the plunger that forms a gas-tight association with the sidewalls of the cavity, is, thus, displaceable between a distal, disengaged and a proximal, engaged positions and is configured for engaging, in the engaged position, with a lateral portion of the neck to block its rotation.
  • the plunger member is, typically, biased into the disengaged position and is gas pressure-induced into the engaged position against said bias. Such pressure-induced displacement may be achieved through linking the gas conduit with a distal portion of the cavity by a linking duct.
  • This plunger member is axially displaceable within an axial cylindrical cavity that is defined by a rear wall and side walls.
  • the plunger member that forms a gas-tight association with the side walls is displaceable in a forward-rearward direction, between a disengaged position, in which the plunger's rear face rests against said rear wall, and an engaged position, in which said rear face is distanced from said rear wall to define a headspace therebetween. It comprises forward-directed shaft with a tip for piercing or rupturing the barrier element while said plunger member is in said disengaged position during screw-coupling with the container's neck.
  • the gas duct within the shaft extends therethrough from the openings proximal to said tip to said headspace thereby permitting pressurized gas from within the container to flow into said headspace and cause a pressure-induced displacement of the plunger into said engaged position in which it presses tightly against the container's neck lips.
  • the front face of the plunger member may comprise an annular depression around the shaft, said depression being dimensioned for tight association with said lips in said engaged position of the plunger member.
  • the front face of the plunger member comprises an annular depression around the shaft, the depression being dimensioned so as to accommodate the upper end of the container's lips and thereby ensure a tight association with said lips in said deployed position of the plunger member.
  • the adapter may be made of any suitable material, e.g. metal or plastic.
  • the adapters 10 ( Figs. 1-3 ) and 100 ( Fig. 4 ) shown in the annexed drawings are stand-alone adapter devices. However, similar construction and principles of operation may also be manifested in adapter devices that are made to be integral with an appliance.
  • the adapter 10 has a general axial design with a first coupling arrangement 12 that comprises an internally-threaded neck receptacle 14 for coupling with the externally-threaded neck 44 of the container 46, at one end; and a second coupling arrangement 16 at a gas-port end 18 of the adapter that is configured for coupling with a gas port of the appliance (not shown).
  • the second coupling arrangement 16 includes an externally-threaded neck 20 for screw-type coupling with said gas port.
  • the general axial arrangement is but an example and the first coupling arrangement 12 and the second coupling arrangement 16 may not be axial; for example they may be in a right-angle orientation with one to the other.
  • the adapter may be configured to be permanently coupled to and/or being an integral element of an appliance in which the gas is utilized, for example a carbonated beverage dispenser.
  • the coupling of the second coupling arrangement with said gas port may be by means other than a screw-type engagement, for example snap-type engagement.
  • the adapter 10 includes a plunger member 22 disposed within an axial cylindrical cavity 24 defined by a rear wall 26 and side walls 28.
  • the plunger member 22 has an annular groove 30 that accommodates an O-ring 32 that provides for a gas-tight association with the side walls 28 to thereby prevent pressurized gas from flowing past the plunger member 22 alongside side walls 28, namely not through the shaft duct 50 (see below).
  • the plunger member 22 is axially displaceable in a forward-rearward direction as indicated by arrow 23 between a disengaged position seen in Figs. 1 and 2 , in which the plunger's rear face 34 rests against rear wall 26 of the cavity (namely the plunger is disengaged from container's neck), and an engaged position seen in Fig.
  • the axial forward displacement may be arrested by the lips of the container's neck or by a shoulder or inward-facing protrusion (not shown) formed at side walls 28.
  • the plunger member 22 has a forward-directed shaft 38 having a tip 40 that is sufficiently rigid, such that when it is forced against a barrier element 42 disposed within the neck 44 of the container 46, sealing the container's interior 48, it ruptures the barrier element.
  • the shaft 38 may also be tapered, as shown, to facilitate such rupturing.
  • the shaft 38 comprises an axial shaft duct 50 with radial openings 52, proximal to tip 40.
  • pressurized gas can flow through duct 50 to the rear end of the plunger member 22 applying a force on rear face 34 to thereby displace the plunger member 22 in the forward direction to its deployed position seen in Fig. 3 . In this position, plunger presses tightly against lips 54 at the end of the container's neck.
  • annular depression 56 is defined around shaft 38 that is dimensioned to accommodate and tightly associate with lips 54 as seen in Fig. 3 .
  • the container 46 with the barrier element 42 may be constructed, for example, in a manner as described in WO 2015/118525 and PCT/IL2017/050502 .
  • the irreversibly reputable barrier configures the container for single-use.
  • the shaft is typically dimensioned so as to form a gas-tight association once within the neck 44; in this example the tight association is permitted by O-rings 58 disposed within the neck.
  • the adapter also includes a gas conduit that includes the shaft duct 50 and the downstream gas port portion 60 between the headspace 36 and the gas-port end 18.
  • Conduit 60 accommodated a plug 62 that is received in plug seat 68.
  • the plug 62 Before piercing of the barrier element, the plug 62 is rearward-biased (i.e. to a gas flow-blocking state) by means of spring 64 and through the action of O-ring 66 disposed at the plug's rear end, engages the plug seat 68 and seals the conduit 60.
  • the plug Once engaged with the appliance's gas port, the plug is held in the gas flow-blocking state by the gas pressure formed in cavity 24 to prevent undesired or uncontrolled release of gas.
  • the plug 62 For release of gas, the plug 62 is axially pressed in the direction of arrow 70 to open the conduit and permit gas flow from the container into the appliance.
  • the adapter also includes a safety plug 72 to provide for gas release in case gas pressure exceeds a certain safety threshold.
  • Fig. 4 shows another exemplary embodiment of an adapter 100 according to an embodiment of this disclosure fitted onto a neck 144 of a pressurized gas container 146.
  • elements that are functionally equivalent to those of the adapter shown in Figs. 1-3 are indicated by the same reference numerals shifted by 100.
  • shaft 138, with its tip 140 serves the same function of piercing the barrier element 142 as shaft 38 in Figs. 1-3 , with its tip 40 piercing barrier element 42.
  • shaft conduit 158 serves the same function as shaft conduit 58 in Figs. 1-3 .
  • the shaft 138 is stationary within the adapter and not part of a displaceable plunger member as in the case of shaft 38 of Figs. 1-3 .
  • the safety mechanism intended to block the decoupling of the first coupling arrangement 114 from the neck is by means of a blocking arrangement 117 that is configured for engagement with a lateral portion of the neck to block rotation as will be described below.
  • Blocking arrangement 117 includes a plunger 119 that reciprocates in a lateral direction as represented by a two-sided arrow 121 within a cylindrical cavity 115 defined between sidewalls 123.
  • the plunger 119 displaces distal, disengagement position in which it is relatively radially distanced from the neck; and a proximal, engaged position, which is that shown in Fig. 4 .
  • the plunger 119 is biased into the disengagement position by means of spring 125.
  • Plunger 119 includes an integral radial pin 127, that projects towards the neck, and its proximal head is accommodated within a cavity 129 when in the engaged position. When so accommodated, the adapter 100 is rotationally fixed, and its disengagement through screw-type rotation is blocked.
  • the distal portion 131 of cavity 115 is linked through a linking duct 133 with the downstream portion 160 of the gas conduit. Accordingly, once the barrier 142 is pierced or ruptured, pressurized gas flows into the gas conduit's downstream gas port portion 160 and from there through linking duct 133 into the distal portion 131 of cavity 115, displacing the plunger 119 into the engaged position shown in Fig. 4 . Thus, as long as the pressure within the container 148 and, hence, within said gas duct is above a safe pressure, the plunger 119 will be maintained in the engaged position and decoupling of the adapter from the container's neck will be blocked.
  • plug 162 functions similarly to the function of plug 60 in Figs. 1-3 . Namely, plug 162, that is accommodated in gas port portion 160, is received in plug seat 168, and is held in the gas flow-blocking state (with its O-ring 166 engaged with the plug seat) by spring 164 as long as the barrier element has not been pierced. Once the adapter 100 is coupled to the appliance's gas port, the plug 162 is held in the gas flow-blocking state by the gas pressure formed in cavity 115 and linking duct 133 to prevent undesired or uncontrolled release of gas.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (14)

  1. Adapter (10) zum Koppeln eines Druckgasbehälters (46) an einen Gasanschluss eines Geräts, wobei der Behälter einen mit Außengewinde versehenen Hals (44) und ein durchstechbares Barriereelement (42) aufweist, das in einem axialen Lumen im Behälterhals zum Abdichten der Behälterinnenseite angeordnet ist, wobei der Adapter umfasst:
    eine erste Kupplungsanordnung (12), die eine mit Innengewinde versehene Halsaufnahme (14) zur schraubenartigen Kupplung mit dem Hals des Behälters umfasst und einen Gasanschlussabschnitt (60) aufweist, der mit einem Gasanschluss des Geräts gekoppelt oder zum Koppeln mit diesem ausgebildet ist;
    einen sich nach vorne erstreckenden Schaft (38), der ausgebildet ist, um in dem Lumen aufgenommen zu werden und der eine Spitze (40) aufweist, die ausgebildet ist, um die Barriere (42) nach schraubenartigem Eingriff der ersten Kupplungsanordnung mit dem Hals durchzustechen oder zu zerreißen;
    eine Gasleitung innerhalb des Adapters, umfassend einen innerhalb des Schafts gebildeten Schaftkanal (50) zur Gaskommunikation zwischen einer oder mehreren Öffnungen (52) nahe der Spitze und dem Gasanschlussabschnitt;
    ein Kolbenelement (22), das innerhalb eines Hohlraums (24) zwischen einer ausgerückten und einer eingerückten Position verschiebbar ist und ausgebildet ist, um die erste Kupplungsanordnung, wenn in der eingerückten Position, daran zu hindern, sich vom Hals zu entkoppeln, wobei der Hohlraum in Gaskommunikation mit dem Gaskanal steht, so dass Gasdruck innerhalb des Kanals eine Verschiebung des Kolbenelements in die eingerückte Position bewirkt; und
    einen Stopfen (62), der in den Gasanschlussabschnitt eingepasst ist und zwischen einem Gasfluss blockierenden Zustand, in dem er den Fluss von Gas vom Hohlraum zum Gasanschluss des Geräts blockiert, und einem Gasfluss erlaubenden Zustand, in dem er den Fluss von Gas in den Gasanschluss des Geräts erlaubt, verschiebbar ist, wobei der Stopfen beim Koppeln des Adapters mit dem Gasanschluss axial zwischen den beiden Zuständen umschaltbar ist und im Gasfluss blockierenden Zustand vorgespannt ist,
    dadurch gekennzeichnet, dass das Kolbenelement einstückig mit dem Schaft und innerhalb eines axialen Hohlraums (24) zwischen der ausgerückten und der eingerückten Position axial verschiebbar ist, wobei der Gaskanal an einem hinteren Ende des Kolbenelements endet, ein an dem hinteren Ende gebildeter Gasdruck bewirkt, dass das Kolbenelement in die eingerückte Position verschoben wird, in der es eine durch Gasdruck induzierte Axialkraft auf die Halslippen (54) des Behälters ausübt, und
    eine dem Hals zugewandte Fläche des Kolbenelements eine ringförmige Vertiefung (56) um den Schaft herum umfasst, wobei die Vertiefung zur engen Assoziation mit den Halslippen in der eingerückte Position des Kolbenelements dimensioniert ist.
  2. Adapter (100) zum Koppeln eines Druckgasbehälters (146) an einen Gasanschluss eines Geräts, wobei der Behälter einen mit Außengewinde versehenen Hals (144) und ein durchstechbares Barriereelement (142) aufweist, das in einem axialen Lumen im Behälterhals zum Abdichten der Behälterinnenseite angeordnet ist, wobei der Adapter umfasst:
    eine erste Kupplungsanordnung (114), die eine mit Innengewinde versehene Halsaufnahme zur schraubenartigen Kupplung mit dem Hals des Behälters umfasst und einen Gasanschlussabschnitt aufweist, der mit einem Gasanschluss des Geräts gekoppelt oder zum Koppeln mit diesem ausgebildet ist;
    einen sich nach vorne erstreckenden Schaft (138), der ausgebildet ist, um in dem Lumen aufgenommen zu werden und der eine Spitze (140) aufweist, die ausgebildet ist, um die Barriere (142) nach schraubenartigem Eingriff der ersten Kupplungsanordnung mit dem Hals durchzustechen oder zu zerreißen;
    eine Gasleitung im Adapter, umfassend einen in dem Schaft gebildeten Schaftkanal zur Gaskommunikation zwischen einer oder mehreren Öffnungen nahe der Spitze und dem Gasanschlussabschnitt;
    ein Kolbenelement (119), das innerhalb eines Hohlraums (115) zwischen einer ausgerückten und einer eingerückten Position verschiebbar ist und ausgebildet ist, um die erste Kupplungsanordnung, wenn in der eingerückten Position, daran zu hindern, sich vom Hals zu entkoppeln, wobei der Hohlraum in Gaskommunikation mit dem Gaskanal steht, so dass Gasdruck innerhalb des Kanals eine Verschiebung des Kolbenelements in die eingerückte Position bewirkt; und
    einen Stopfen (62), der in den Gasanschlussabschnitt eingepasst ist und zwischen einem Gasfluss blockierenden Zustand, in dem er den Fluss von Gas vom Hohlraum zum Gasanschluss des Geräts blockiert, und einem Gasfluss erlaubenden Zustand, in dem er den Fluss von Gas in den Gasanschluss des Geräts erlaubt, verschiebbar ist, wobei der Stopfen beim Koppeln des Adapters mit dem Gasanschluss axial zwischen den beiden Zuständen umschaltbar ist und im Gasfluss blockierenden Zustand vorgespannt ist,
    dadurch gekennzeichnet, dass das Kolbenelement radial innerhalb des Hohlraums (115) entlang Seitenwänden verschiebbar ist, indem eine distal-proximale Achse, zwischen einer distalen, ausgerückten und einer proximalen, eingerückten Position, definiert wird und ausgebildet, um in der eingerückten Position mit einem seitlichen Abschnitt des Halses einzurücken, um seine Drehung zu blockieren, wobei das Kolbenelement eine gasdichte Assoziation mit den Seitenwänden bildet.
  3. Adapter nach Anspruch 2, wobei das Kolbenelement in die ausgerückte Position vorgespannt ist und gegen die Vorspannung durch Gasdruck in die eingerückte Position induziert wird.
  4. Adapter nach Anspruch 2 oder 3, wobei der distale Abschnitt des Hohlraums durch einen Verbindungskanal (133) mit der Gasleitung verbunden ist.
  5. Adapter nach einem der Ansprüche 1 bis 4, wobei der Stopfen durch (i) eine Vorspannanordnung, bevor das Barriereelement durchstochen wird und durch (ii) den Gasdruck innerhalb des Hohlraums, sobald das Barriereelement durchstochen ist, im Gasfluss blockierenden Zustand vorgespannt wird.
  6. Adapter nach Anspruch 5, wobei die Vorspannanordnung eine Feder ist.
  7. Adapter nach einem der Ansprüche 1 bis 6, der ein integraler Bestandteil des Geräts ist.
  8. Adapter nach einem der Ansprüche 1 bis 6, der eine unabhängige Vorrichtung ist, die zum Koppeln mit einem Gasanschluss eines Gas verwendenden Geräts ausgebildet ist.
  9. Adapter nach Anspruch 8, umfassend eine zweite Kupplungsanordnung (16) an einem Gasanschlussende, die zum Koppeln mit dem Gasanschluss ausgebildet ist.
  10. Adapter nach einem der Ansprüche 1 bis 9, wobei der Schaft so dimensioniert ist, dass er eine gasdichte Assoziation innerhalb des Lumens des Halses auf eine Weise bildet, die ein Ausströmen von Gas aus dem Inneren des Behälters anders als durch den Schaftkanal vermeidet.
  11. Adapter nach einem der Ansprüche 1 bis 10, wobei der Stopfen in einem Stopfensitz (68) aufgenommen wird, der im Gasanschlussabschnitt gebildet ist.
  12. Adapter nach Anspruch 11, wobei der Stopfen ein hinteres Ende aufweist, das mit einem elastischen Dichtungselement (66) ausgestattet ist, so dass das hintere Ende mit dem Stopfensitz in dem Gasfluss blockierenden Zustand abdichtend eingerückt und von dem Stopfensitz ausgerückt ist, wenn sich der Stopfen in seinem Gasfluss erlaubenden Zustand befindet.
  13. Adapter nach Anspruch 12, wobei das elastische Dichtungselement ein O-Ring ist.
  14. Gerät umfassend einen Adapter nach einem der Ansprüche 1 bis 13.
EP18819218.1A 2017-11-26 2018-11-26 Adapter für druckgasbehälter Active EP3728933B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL255921A IL255921A (en) 2017-11-26 2017-11-26 Adapter for a pressurized gas container
PCT/IL2018/051284 WO2019102479A1 (en) 2017-11-26 2018-11-26 Adapter for a pressurized gas container

Publications (2)

Publication Number Publication Date
EP3728933A1 EP3728933A1 (de) 2020-10-28
EP3728933B1 true EP3728933B1 (de) 2021-10-20

Family

ID=61198552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18819218.1A Active EP3728933B1 (de) 2017-11-26 2018-11-26 Adapter für druckgasbehälter

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Country Link
EP (1) EP3728933B1 (de)
CN (2) CN109838690B (de)
IL (2) IL255921A (de)
WO (1) WO2019102479A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111852818B (zh) * 2020-06-30 2022-08-26 微密斯点胶技术有限公司 一种压缩空气适配器、配量系统及其供料方法
EP4370824A1 (de) * 2021-07-15 2024-05-22 Sodapop Gmbh Aufnahmevorrichtung zur aufnahme einer gaskartusche für eine karbonisierungsmaschine; karbonisierungsmaschine; verfahren zur verwendung einer karbonisierungsmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE846754A (fr) 1976-09-30 1977-01-17 Dispositif de percement et d'etancheite pour cartouches de gaz carbonique et similaires
JPS58501870A (ja) * 1981-11-07 1983-11-04 リレット、ジョン　ウォルタ− 加圧容器の放出を行なう装置
GB8508548D0 (en) * 1985-04-02 1985-05-09 Gomersall R Attachment for pressure vessel
EP1990309B1 (de) * 2007-05-09 2012-09-26 Kurt Oberhofer Behälter mit CO2-Druckgasquelle und Überdruck-Berstsicherung
EP3102869B1 (de) 2014-02-04 2020-01-01 Strauss Water Ltd Druckgasbehälter und kupplungsmittel für anwendungen
US20150329341A1 (en) 2014-02-04 2015-11-19 Strauss Water Ltd. Pressurized Gas Container
GB2526821B (en) * 2014-06-03 2016-04-27 The Salford Valve Company Valve assembly
WO2016135715A1 (en) * 2015-02-25 2016-09-01 Strauss Water Ltd. Pressurized gas container
GB2540807A (en) * 2015-07-29 2017-02-01 Gobubl Ltd Valve
CN206890071U (zh) 2016-05-08 2018-01-16 施特劳斯净水有限公司 加压气体容器及多件式组合件

Also Published As

Publication number Publication date
IL274830A (en) 2020-07-30
CN109838690A (zh) 2019-06-04
EP3728933A1 (de) 2020-10-28
WO2019102479A1 (en) 2019-05-31
CN209672058U (zh) 2019-11-22
IL274830B (en) 2020-11-30
CN109838690B (zh) 2021-06-25
IL255921A (en) 2018-01-31

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