Device for introducing gas into a liquid container

Abstract

The invention relates to a device for introducing gas, in particular carbon dioxide, into a liquid container, in particular a water bottle. The invention also relates to a liquid container and to a lid for closing a liquid container of this type. The invention additionally relates to a system comprising a device for introducing gas and a liquid container, and to a method for introducing gas into a liquid container. The device for introducing gas comprises a base element (10), a gas outlet element (20), and a gas flow path (30, 30a) which extends from a gas inlet opening (14) and at least partly within the gas outlet element (20) and to at least one gas outlet opening (22a, 22b, 22c). The gas outlet element (20) comprises a gas deflection portion (23). The gas flow path (30, 30a) has a change in direction in the region of the gas deflection portion (23), and in the region of the at least one gas outlet opening (22a, 22b, 22c) the gas flow path (30, 30a) extends along a direction deviating from the vertical direction (100).

Description

[0001] Device for introducing gas into a liquid container

[0002] The invention relates to a device for introducing gas, in particular carbon dioxide, into a liquid container, in particular a water bottle. Furthermore, the invention relates to a liquid container and a lid for closing a liquid container. Furthermore, the invention relates to a system comprising a device for introducing gas and a liquid container, as well as a method for introducing gas into a liquid container.

[0003] It is known to use devices for introducing gas into a liquid container, which are designed in such a way that the gas to be introduced, typically gaseous carbon dioxide (CO2), is introduced through a bottle opening from above into a bottle filled with water. In order to then introduce the gas into the water contained in the bottle, a gas outlet element is typically introduced through the bottle opening into the water so that the gas within the water can be released into the water. However, such an introduction of gas has several disadvantages. One disadvantage of such an introduction of gas into the water is that, due to the gas outlet element introduced into the water, impurities can enter the water via the gas outlet element.Therefore, regular cleaning of the gas outlet element is necessary, and even with regular cleaning, contamination cannot be completely ruled out. Hygiene conditions can therefore be problematic for such devices.

[0004] A further disadvantage of introducing gas into the water in this way is that a portion of the gas typically escapes from the water to the top and then out of the bottle through the bottle opening. This can result in a significant loss of gas, and the introduced gas is therefore not used efficiently.

[0005] Various systems are also known in which gas or liquid is introduced into a bottle through the bottom of the bottle. However, these systems each have their drawbacks.

[0006] EP 2866593 B1 and WO 2014 / 131101 A1 disclose various systems for carbonating a liquid. For example, a system is described in which a bottle is secured to a device by means of holding elements. A carbonated liquid can then be poured into the bottle from below via a container inlet valve, and liquid can flow out of the bottle via a container outlet valve. Furthermore, a system with a pump is described that can introduce carbon dioxide gas from a chamber into the container via the line. A carbon dioxide source is provided in the form of a solid material that can react chemically with the liquid to release carbon dioxide gas.

[0007] From WO 2020 / 097728 A1 and WO 2022 / 051839 A1, a system comprising a device and a bottle is known, wherein a chamber is provided in which gaseous carbon dioxide is produced from a powdered mixture of sodium bicarbonate and citric acid by means of a carbon dioxide source, which is then fed into the bottle via a line through the bottom of the bottle.

[0008] From WO 2022 / 157596 A1, it is known to first introduce gas into a portable gas container connected to a cylinder. This allows the cylinder to be transported together with the connected gas container, and gas can be introduced from the gas container into the cylinder at any time.

[0009] A fundamental disadvantage of these systems is that the cylinder must be secured during gas introduction to ensure that the cylinder remains in the intended position and does not move from its intended position due to the forces acting on the cylinder during gas introduction. Furthermore, the known systems are generally relatively complex, which increases the risk of errors.

[0010] The invention is therefore based on the object of providing an improved solution that addresses the aforementioned problems. In particular, the object of the invention is to provide a solution that enables the introduction of gas into a liquid container in a simpler and more efficient manner and under improved hygienic conditions.

[0011] According to a first aspect, the object is achieved by a device according to claim 1. According to this, a device is provided for introducing gas, in particular gaseous carbon dioxide, into a liquid container, in particular a water bottle, preferably through a base part of the liquid container, the device comprising a base element which has a receiving area for receiving a base part of a liquid container, a gas outlet element which has at least one gas inlet opening and at least one gas outlet opening, wherein the gas outlet element extends upwards in a vertical direction starting from the base element, a gas flow path which extends from the at least one gas inlet opening and at least in sections within the gas outlet element and to the at least one gas outlet opening.

[0012] According to the invention, it is provided that the gas outlet element has a gas deflection section, wherein the gas flow path has a change of direction in the region of the gas deflection section, wherein the gas flow path extends in the region of the at least one gas outlet opening along a direction deviating from the vertical direction.

[0013] It is thus provided that, by means of a gas deflection section of the gas outlet element, the gas flow path within the gas outlet element is deflected such that the gas flow path does not run vertically in the region of the at least one gas outlet opening. The gas guided through the gas outlet element thus flows out of the at least one gas outlet opening in a direction deviating from the vertical direction.

[0014] One advantage of such a device is that the gas outlet element never comes into contact with the liquid contained in the liquid container, even when gas is introduced into the liquid container. This particularly advantageously prevents contaminants from entering the liquid due to contact between the gas outlet element and the liquid.

[0015] It is also particularly advantageous that the gas can be introduced into the container from below, as this allows for improved mixing of gas and liquid, allowing the gas to dissolve more easily in the liquid. Another advantage of this introduction method is that the liquid container does not have to be filled to a specific level; instead, gas can be introduced into a partially filled liquid container, for example, since the gas enters the liquid directly at any fill level.

[0016] A further advantage of such a device is that, because the gas flow does not exit vertically from the gas outlet element, no purely vertical force acts on the liquid container. This is particularly the case when the gas exits the gas outlet element in a horizontal direction. This advantageously eliminates the need for a locking or latching mechanism for the liquid container on the device.

[0017] The device is preferably designed to introduce gas, in particular gaseous carbon dioxide, into a liquid container, preferably through a bottom part of the liquid container. The device is preferably designed to introduce gas, in particular carbon dioxide, into a liquid container through the bottom part of the liquid container.

[0018] A base element is understood in particular to be a component on which a liquid container, in particular a water bottle, can be arranged. A receiving area is understood in particular to be an area of ​​the base element on which a base part of a liquid container can be arranged. A base part of a liquid container is understood in particular to be the base of the liquid container, i.e. in particular the section of the liquid container on which the liquid container is normally placed. In the case of a water bottle, the base part is thus formed in particular by the base of the water bottle. Preferably, the receiving area of ​​the base element is designed to receive a base part of a liquid container. The receiving area of ​​the base element is preferably designed to receive a base part of a liquid container.

[0019] The gas outlet element preferably has at least one gas inlet opening, which can be arranged in particular in a lower section of the gas outlet element. The plurality of gas outlet openings of the gas outlet element preferably extend in a horizontal direction. The gas flow path preferably runs from the at least one gas inlet opening through the gas outlet element and to the at least one gas outlet opening.

[0020] The gas outlet element preferably consists of a single component. However, the gas outlet element can also comprise or consist of several components.

[0021] The gas deflection section is preferably designed to effect a change in the direction of the flow path. The gas deflection section is preferably designed such that it effects a change in the direction of the gas flow along the flow path by 90°, in particular a change in direction from the vertical direction along the longitudinal extent of the gas outlet element in the vertical direction to a horizontal direction in the region of the at least one gas outlet opening, so that gas exiting from the at least one gas outlet opening exits the gas outlet element in the horizontal direction.

[0022] It is particularly preferred that the gas flow path in the region of the at least one gas outlet opening extends along a direction deviating from the vertical direction by at least 70°, preferably by at least 80°, particularly preferably by at least 85°, in particular in the horizontal direction.

[0023] Preferably, the flow path at the at least one gas outlet opening has a direction deviating from the vertical direction, in particular a horizontal direction. It is particularly preferred that the outflow direction in which gas can exit from the at least one gas outlet opening is oriented substantially horizontally.

[0024] It is particularly preferred that the gas flow path in the region of the gas deflection section has a change in direction of at least 70°, preferably of at least 80°, particularly preferably of at least 85°, in particular of 90°.

[0025] The gas flow is thus preferably deflected within the gas outlet element by at least 70°, in particular by 90°.

[0026] It is particularly preferred that the gas deflection section is arranged directly in front of the at least one gas outlet opening with respect to the gas flow path.

[0027] The gas deflection section is preferably arranged, relative to the gas flow path, between the at least one gas inlet opening of the gas outlet element and the at least one gas outlet opening of the gas outlet element. The gas deflection section can be formed, in particular, by intersecting bores, wherein the bores preferably have bore centerlines rotated by 90° relative to one another. In particular, one bore can be arranged vertically and at least one further bore can be arranged horizontally, wherein the horizontally formed at least one further bore forms the at least one gas outlet opening.

[0028] It is particularly preferred that the at least one gas outlet opening is designed in the form of at least one gas outlet channel, wherein the gas flow path extends along the at least one gas outlet channel parallel to a central axis of the gas outlet channel, wherein the central axis of the gas outlet channel is preferably arranged parallel to the horizontal direction.

[0029] The at least one gas outlet channel is preferably designed as a bore or a section of a bore, in particular as a horizontally formed bore or a horizontally formed section of a bore.

[0030] The at least one gas outlet channel, and in particular the central axis of the at least one gas outlet channel, thus preferably extends in a horizontal direction.

[0031] It is particularly preferred for the gas outlet element to have a plurality of, preferably four, gas outlet openings, wherein the plurality of gas outlet openings are preferably arranged along an outer circumference of the gas outlet element, in particular equidistant from one another. Preferably, four gas outlet openings are provided, wherein these four gas outlet openings are oriented rotated by 90° relative to one another, preferably all in a horizontal plane. However, two or three gas outlet openings can also be provided, for example. With two gas outlet openings, the gas outlet openings preferably point in opposite directions, and with three gas outlet openings, the gas outlet openings are preferably rotated by 120° relative to one another, preferably oriented in a horizontal plane.

[0032] It is particularly preferred that the gas outlet element comprises at least one seal, in particular two seals, preferably designed as an O-ring, which is arranged on the outer circumference, in particular in at least one groove on the outer circumference, of the gas outlet element.

[0033] It is preferred if two seals are provided. Preferably, the at least one gas outlet opening is arranged between these two seals. These two seals can provide a sealing effect between the outer periphery of the gas outlet element and a component, in particular the receiving portion, of the base part of the liquid container. This allows for particularly advantageous prevention of unwanted gas leakage, and the available gas can be used efficiently.

[0034] It is particularly preferred that the gas outlet element is detachably connected to the base element, in particular by means of a gas outlet element adapter connectable to the base element, preferably by means of a threaded connection.

[0035] Preferably, the gas outlet adapter is detachably connectable and / or detachably connected to the base element by means of a screw connection, in particular by means of a screw connection with multiple screws. The gas outlet element preferably has a thread. The gas outlet element can preferably be screwed into the gas outlet adapter.

[0036] It is particularly preferred that the gas flow path extends at least partially along the base element. Preferably, the gas flow path extends along the base element through a gas line. Preferably, the gas flow path extends at least partially through a gas line, which may extend horizontally, for example, and the gas line may be arranged on the underside of the base element.

[0037] It is particularly preferred that the device comprises: a gas source receiving element for receiving a gas source, in particular in the form of a gas cylinder, and preferably a gas source, preferably in the form of a gas cylinder, in particular in the form of a carbon dioxide cylinder, wherein the gas source is arranged within the gas source receiving element.

[0038] The gas source receiving element preferably comprises a hollow, tubular component designed to receive a gas cylinder within the gas source receiving element. The gas source preferably has a screw cap so that the gas source, in particular in the form of a gas cylinder, can be screwed to the gas source receiving element. The gas source is preferably designed as a standard gas cartridge, in particular as a standard carbon dioxide gas cartridge.

[0039] It is particularly preferred that the device comprises: a gas flow regulation arrangement comprising a gas flow regulation rotary wheel for opening a gas source, preferably in the form of a gas cylinder, in particular in the form of a carbon dioxide cylinder, wherein the gas flow regulation arrangement is adjustable, preferably continuously, between a gas flow open position and a gas flow closed position.

[0040] Preferably, in the gas flow open position, a gas flow, i.e. a gas stream, of gas from the gas source is released to the gas flow path. The gas source is therefore open in the gas flow open position. The gas flow open position preferably has a gas flow opening range within which the opening of the gas source can be varied such that more or less gas escapes from the gas source. The size of the opening of the gas source can be continuously adjusted and the gas flow, i.e. the gas stream, can be varied in this way. Preferably, in the gas flow closed position, a gas flow, i.e. a gas stream, from the gas source to the gas flow path is not released but blocked. The gas source is therefore closed in the gas flow closed position.

[0041] Preferably, the gas flow regulation arrangement comprises a pressure spindle for opening a gas cylinder, wherein the pressure spindle is movable in the vertical direction by means of a pressure spindle guide component coupled to a thread of the pressure spindle. The pressure spindle is designed and arranged to adjust the gas flow regulation arrangement between the gas flow open position and the gas flow closed position by means of a movement in the vertical direction. The pressure spindle guide component is preferably designed to be stationary.

[0042] Preferably, the pressure spindle is movable in a vertical direction such that, by moving toward an opening portion of the gas source, it can exert pressure on the opening portion of the gas source to open the gas source and allow gas to escape from the gas source. One advantage of such a gas flow regulation arrangement is that improved force transmission can be achieved for applying a force to a gas source. Furthermore, this solution enables particularly ergonomic handling.

[0043] It is particularly preferred that the pressure spindle is rotatably mounted, in particular about a vertical axis of rotation, preferably by means of a threaded connection with the pressure spindle guide component.

[0044] Preferably, the gas flow regulation dial is coupled to a biasing element, wherein the biasing element is designed and arranged to cause a restoring moment on the gas flow regulation dial.

[0045] It is preferred that the biasing element comprises a spring or is designed as a spring or a spring element. It is particularly preferred that the biasing element is designed as a torsion spring. The biasing element is preferably connected to the gas flow control dial and to the pressure spindle.

[0046] By means of a restoring torque exerted by the pretensioning element on the gas flow control dial, the gas flow control dial is preferably arranged in the gas flow closed position or the gas flow control arrangement is arranged in the gas flow closed position when no external torque is applied to the gas flow control dial by a user. This ensures, in a particularly advantageous manner, that the gas source is closed in the rest state and is only opened when a user turns the gas flow control dial. After the gas flow control dial is released, it rotates back to its original position, i.e., the rest position, in which the gas source is closed.According to a further aspect, the object mentioned at the outset is achieved by a liquid container, in particular in the form of a water bottle, preferably for a device as described here, the liquid container comprising a container body, a container interior for receiving liquid, in particular water, a container opening for filling liquid into the container interior and / or for pouring liquid out of the container interior, a lid for closing the container opening, wherein the lid is preferably designed as described herein.

[0047] According to the invention, a base part is provided which has a base opening for introducing gas into the container interior, wherein the base opening has a valve which is designed to allow a fluid flow, in particular a gas flow, in the direction of the container interior and to block a fluid flow, in particular a liquid flow, in the direction out of the container interior, wherein the base part has a receiving section, wherein the receiving section is designed to receive a gas outlet element, preferably a gas outlet element of a device as described here, in particular by means of a recess in the receiving section.

[0048] It is preferred that the liquid container comprises or consists of plastic. Alternatively, the liquid container may also comprise or consist of another material, such as glass or steel.

[0049] The container interior is arranged, in particular, within the container body. The container body surrounds the container interior and thus delimits the container interior.

[0050] The lid preferably has a thread, wherein the thread of the lid is designed to connect to a thread of the container body in the region of the container opening of the liquid container. By means of such a threaded connection, the lid can be designed to be screwed onto and off the container body in order to close and open the liquid container.

[0051] The valve of the base part is preferably designed as a one-way valve. The valve of the base part is preferably designed to permit gas flow toward the container interior and to block gas flow out of the container interior. Furthermore, the valve of the base part is preferably designed to block liquid flow out of the container interior. This ensures that gas is introduced through the base part into the liquid present in the liquid container, but neither gas nor liquid escapes in the opposite direction.

[0052] The recess of the receiving section is preferably formed by the receiving section. The recess preferably has a diameter and a depth, wherein the diameter and depth are dimensioned such that the gas outlet element or the part of the gas outlet element protruding upward from the base element can be arranged in the recess.

[0053] It is particularly preferred that the base part has a nozzle which is arranged behind the valve of the base part with respect to a gas flow path, wherein the gas flow path extends through the nozzle.

[0054] Preferably, the nozzle is arranged downstream of the pressure relief valve relative to a gas inflow direction in which a gas flow occurs along the gas flow path from a gas source to the container interior. The nozzle is preferably in contact with a liquid present in the liquid container.

[0055] The nozzle preferably has a plurality of outlet channels, in particular vertically extending ones. The outlet channels are preferably arranged parallel to one another. An advantage of such a nozzle design with a plurality of, preferably four, outlet channels is that a plurality of small gas streams are generated, thus enabling a particularly efficient introduction and mixing of gas in the liquid.

[0056] It is particularly preferred that the base part be detachably connected to the container body, preferably by means of a threaded connection. For this purpose, the base part and the container body preferably have corresponding threads. One advantage of such a design is the improved cleaning options for these parts, since the parts can be separated from one another and then cleaned individually.

[0057] Preferably, the container body comprises an external thread and the base part comprises an internal thread, wherein the internal thread of the base part is designed to connect to the external thread of the container body. It is particularly preferred that the base part is designed to be arranged on a receiving area of ​​a base element of a device as described here.

[0058] It is particularly preferred that the lid has a pressure relief valve, in particular an adjustable one, wherein the lid preferably also has a safety valve, which is preferably not adjustable.

[0059] The pressure relief valve is preferably designed to release a gas flow along the pressure relief valve when a certain pressure is applied to the pressure relief valve and to keep the pressure relief valve closed below this certain pressure. This certain pressure, which can also be understood in particular as the desired opening pressure, can preferably be adjusted within a certain range, so that the specific pressure at which the pressure relief valve opens and the pressure up to which the pressure relief valve remains closed can be set.

[0060] The safety valve is preferably designed to release a gas flow along the safety valve above a critical pressure, which is in particular higher than the specific pressure of the pressure relief valve at which the pressure relief valve opens, and to keep the safety valve closed below the critical pressure. The critical pressure is preferably not adjustable.

[0061] The pressure relief valve is preferably coupled to an adjustment arrangement, wherein the adjustment arrangement is preferably designed to adjust an opening pressure of the pressure relief valve. The adjustment arrangement is in particular arranged in the cover and / or is a component of the cover. The adjustment arrangement preferably has a rotating mechanism, wherein the rotating mechanism is designed to adjust the adjustment arrangement by rotating the adjustment arrangement. The adjustment arrangement preferably has a spring that is designed and arranged to exert a force on the pressure relief valve and thus hold the pressure relief valve in the closed position.

[0062] According to a further aspect, the object mentioned at the outset is achieved by a system comprising a device as described here and a liquid container as described here, wherein the base part of the liquid container can be arranged on the receiving area of ​​the base element of the device, preferably in such a way that the gas outlet element of the device is arranged at least in sections within the base part of the liquid container, in particular within a recess of a receiving section of the base part.

[0063] Preferably, the liquid container is arranged on the receiving area of ​​the base element of the device. By accommodating the gas outlet element in the base part of the liquid container, a particularly advantageous interaction between the liquid container and the base element can be achieved, so that gas can be introduced into a liquid contained in the liquid container via a gas flow through the gas outlet element into the base part of the liquid container and from there into the container interior.

[0064] It is particularly preferred that, when the liquid container is arranged on the receiving area of ​​the base element of the device, the receiving section of the base part is designed to receive the gas outlet element of the device, wherein preferably at least one seal of the gas outlet element rests against the receiving section of the base part.

[0065] By means of such at least one seal, a seal can be provided in a particularly advantageous manner, by means of which gas leakage away from the gas flow path and out of the device, in particular to the environment, is prevented.

[0066] It is particularly preferred that the liquid container, when arranged on the receiving area of ​​the base element of the device, is movable in the vertical direction and preferably cannot be locked with the device in the vertical direction.

[0067] An advantage of such a design is that the liquid container does not need to be fixed to the device during the introduction of gas, but simply needs to be placed on the device. Because the gas flow from the gas outlet element deviates from the vertical direction, it is thus possible to place the liquid container on the device without locking it and to introduce the gas without the liquid container being pushed upward due to vertical forces.

[0068] According to a further aspect, the object mentioned at the outset is achieved by a lid for closing a liquid container, in particular a water bottle, preferably for closing a liquid container as described here, the lid comprising a gas outlet flow path which extends through the lid, a pressure relief valve which comprises a valve body, wherein the valve body is movable between an open position in which the valve body releases the gas outlet flow path and a closed position in which the valve body closes the gas outflow path, and an adjustment arrangement which comprises a holding element, wherein the holding element is designed and arranged to exert a holding force on the valve body, by means of which holding force the holding element holds the valve body in the closed position.

[0069] A particular advantage of such a lid is that it allows gas to be introduced into a liquid container sealed by such a lid. The introduced gas thus remains in the liquid container, and unlike typical known devices, relatively large gas losses do not occur when the gas is introduced into the liquid.

[0070] A gas outlet flow path is understood in particular to mean a flow path which runs through the lid and through which, when the pressure relief valve is opened, gas can escape from the interior of the liquid container through the gas outlet flow path into the environment.

[0071] In the closed position, the valve body closes the gas outlet flow path, preventing gas from escaping through the gas outlet flow path. In the open position, the valve body opens the gas outlet flow path, allowing gas to escape through the gas outlet flow path.

[0072] It is particularly preferred that the holding element comprises or consists of a spring, in particular a compression spring, wherein the holding element preferably rests against the valve body.

[0073] One advantage of a holding element designed as a spring is that the holding force acting on the valve body can be adjusted by compressing the spring. This makes it possible to adjust the strength of the holding force on the valve body, which then also adjusts a specific pressure at which the valve body opens. This specific pressure is just large enough that this pressure overcomes the holding force holding the valve body in the closed position, thereby moving the valve body into the open position. It is particularly preferred for the adjusting arrangement to comprise an adjusting element, wherein the adjusting element bears against the holding element, wherein the adjusting arrangement preferably has an adjusting wheel which is coupled to the adjusting element and is designed to adjust the adjusting element, in particular to adjust the adjusting element in the vertical direction.

[0074] Preferably, by adjusting the adjusting element in such a vertical direction, the holding force acting from the holding element on the valve body can be adjusted, in particular by changing the compression of the holding element as a result of this adjustment. The holding element is preferably arranged between the valve body and the adjusting element. When the adjusting element is moved towards the valve body, the compression of the holding element is increased and thus the holding force acting on the valve body is increased. And when the adjusting element is moved away from the valve body, the compression of the holding element is reduced and thus the holding force acting on the valve body is reduced.

[0075] It is particularly preferred that the adjusting element is connected, in particular detachably, to a cover housing of the cover by means of a threaded connection. The cover housing preferably has an internal thread that is designed to engage with an external thread of the adjusting element and that preferably engages with an external thread of the adjusting element.

[0076] It is particularly preferred that the adjustment wheel is mounted for rotation, in particular for rotation about a vertical axis. Thus, by rotating the adjustment wheel, the adjustment element and thus the holding element, and thus the holding force, can be adjusted in a particularly advantageous manner. The adjustment wheel is preferably mounted for rotation on the lid housing. This allows for a particularly advantageous continuous adjustment of the amount of gas introduced into the liquid.

[0077] It is particularly preferred that the lid has a safety valve, which is preferably not adjustable, wherein the safety valve is designed to release a safety flow path extending through the lid when a predetermined pressure on the safety valve is exceeded.

[0078] The safety valve is preferably arranged in the safety flow path. The safety flow path and the gas outlet flow path are preferably arranged at a distance from one another. The safety valve is preferably designed to release a gas flow along the safety valve starting at the predetermined pressure, which can also be referred to as the critical pressure, and which is in particular higher than the specific pressure of the pressure relief valve at which the pressure relief valve opens, and to keep the safety valve closed below the predetermined pressure. The predetermined pressure is preferably not adjustable.

[0079] According to a further aspect, the object mentioned at the outset is achieved by a method for introducing gas, in particular carbon dioxide, into a liquid container, in particular into a water bottle, preferably through a bottom part of the liquid container, the method comprising the following steps: providing a device, preferably a device as described here, for introducing gas, in particular carbon dioxide, into a liquid container, in particular a water bottle, the device comprising a bottom element with a receiving area and a gas outlet element which has at least one gas outlet opening and extends vertically upwards from the bottom element, arranging a liquid container, in particular in the form of a water bottle, preferably a liquid container as described here, on the receiving area of ​​the bottom element of the device, such thatthat the gas outlet element is arranged at least in sections within a bottom part of the liquid container, introducing gas, in particular carbon dioxide, from a gas source along a gas flow path into the liquid container, wherein the gas flow path extends from the gas source and at least in sections within the gas outlet element and to the at least one gas outlet opening.,

[0080] According to the invention, it is provided that the gas outlet element has a gas deflection section, wherein the gas flow path has a change of direction in the region of the gas deflection section, wherein the gas flow path extends in the region of the at least one gas outlet opening along a direction deviating from the vertical direction.

[0081] Preferably, the gas is guided along the gas flow path, starting from the base element of the device within the gas outlet element, in a vertical direction upstream of the gas deflection section and in a horizontal direction downstream of the gas deflection section. Preferably, gas is first guided along the gas flow path from the gas source to a gas inlet opening of the gas outlet element, then guided in a vertical direction within the gas outlet element, and then deflected in a horizontal direction by means of the gas deflection section, so that the gas exits from the at least one gas outlet opening in a horizontal direction, preferably in the form of several separate partial streams. Preferably, the gas flow path then impinges on the base part of the liquid container in a horizontal direction within the base part and is deflected in a vertical direction within the base part.Preferably, the gas is then guided at least partially in a vertical direction through the base part and then enters the container interior in a vertical direction through a nozzle.

[0082] For the advantages, design variants and design details of the various aspects of the solutions described here and their respective possible further developments, reference is also made to the description of the corresponding features, details and advantages of the other aspects and their further developments.

[0083] Preferred embodiments are explained by way of example with reference to the accompanying figures. The drawings are not necessarily to scale. In the figures, identical or essentially functionally identical or similar elements are designated by the same reference numerals. They show:

[0084] Fig. 1 : a schematic representation of a system with a device for

[0085] Introducing gas into a liquid container;

[0086] Fig. 2: a sectional view of a system with a device for introducing

[0087] gas into a liquid container;

[0088] Fig. 3a: the sectional view shown in Fig. 2 and an introduction of gas into the liquid container;

[0089] Fig. 3b: an alternative embodiment of a system with a device for introducing gas into a liquid container;

[0090] Fig. 3c: another alternative embodiment of a system with a device for introducing gas into a liquid container;

[0091] Fig. 4: a sectional view of a gas outlet element; Fig. 5: a view of the base element from below;

[0092] Fig. 6: a sectional view of a bottom part of a liquid container arranged on a gas outlet element;

[0093] Fig. 7: a sectional view of a bottom part of a liquid container;

[0094] Fig. 8: a perspective view of a bottom part of a liquid container;

[0095] Fig. 9: a sectional view of a container body of a liquid container;

[0096] Fig. 10: a sectional view of a gas flow regulating arrangement;

[0097] Fig. 1 1 : a diagram in which a pressure in the liquid container is plotted;

[0098] Fig. 12: a sectional view of a lid for closing a liquid container;

[0099] Fig. 13: a top view of a lid in three different adjustment states;

[0100] Fig. 14: a schematic representation of a method for introducing gas into a liquid container.

[0101] Fig. 1 shows a schematic representation of a system with a device for introducing gas into a liquid container 80. The device comprises a base element 10 having a receiving area 11 for receiving a base part 88 of the liquid container 80. The base element 10 has a plurality of feet 12a, 12b for placing the device on a surface, such as a table or work surface. A gas outlet element 20 is connected to the base part 10 and extends vertically upward from the base element 10.

[0102] Also connected to the base part is a gas source receiving element 50 for receiving a gas source, in particular in the form of a carbon dioxide cylinder. A gas flow regulation arrangement 60 is arranged at the upper end of the gas source receiving element 50, which arrangement has a gas flow regulation dial 60a for opening the gas source. The liquid container 80 is in the shape of a water bottle and has a base part 88 and a container body 81 connected to the base part 88. A container interior 82 is provided within the container body 81, in which a liquid 82a can be received. A lid 90 is screwed onto the container body 81. Fill level markings 81b are provided on the container body 81.

[0103] Fig. 2 shows a sectional view of a system with a device for introducing gas into a liquid container 80. In the illustration shown here, the bottom part 88 of the liquid container 80 is arranged on the receiving area 11 of the bottom element 10.

[0104] By means of a gas flow regulation arrangement 60, a pressure spindle 72 can be rotated and moved toward a gas cylinder 70 arranged in the gas source receiving element 50 in order to open the gas cylinder 70 and allow gas to flow out of the gas cylinder 70. The gas source receiving element 50 has a tube 51 designed to receive the gas cylinder 70. The gas cylinder 70 can be screwed to the gas source receiving element 50 by means of a threaded connection and thus detachably connected. The gas cylinder can be inserted into the tube 51 from below through an opening section 52.

[0105] A line 54 runs from the gas cylinder 70 to the gas outlet element 20, by means of which gas can be guided from the gas cylinder 70 to the gas outlet element 20. The gas outlet element 20 is connected to the base element 10 by means of a gas outlet element adapter 13. The gas outlet element 20 extends upward from the base element 20 in a vertical direction 100. When gas exits the gas outlet element 20, the gas flows in a horizontal direction 200, i.e., orthogonal to the vertical direction 100.

[0106] A valve 85 is arranged within the bottom part 88 through which gas which has escaped from the gas outlet element 20 and flows along the gas flow path can be passed so that the gas can be introduced into the container interior 82.

[0107] The lid 90 is detachably connected to the container body 81 at the container opening 83 of the container body 81. A pressure relief valve 91 is arranged within the lid. By means of an adjusting wheel 94, a holding force acting on the pressure relief valve 91 can be adjusted, whereby the pressure at which the pressure relief valve opens can also be indirectly adjusted. Fig. 3a shows the sectional view shown in Fig. 2 and the introduction of gas into the liquid container 80. This schematically shows how gas can be introduced into the liquid container 80. First, by turning the gas flow regulation rotary wheel 60a of the gas flow regulation arrangement 60, the pressure spindle 72 is moved vertically downwards so that the pressure spindle 72 exerts pressure on the gas cylinder 70 and thereby opens the gas cylinder 70. Gas then escapes from the gas cylinder 70. The gas then flows along a gas flow path 30.Within the gas outlet element 20, the gas flow path 30 is diverted from a vertical direction to a horizontal direction. Within the bottom portion 88 of the container 80, the gas then impinges in several partial flows in a horizontal direction. The gas then flows further in a vertical direction through a one-way valve 85 and then into the container interior 82, which contains water 82a. Gas bubbles 82b are shown schematically here.

[0108] Fig. 3b and Fig. 3c show, compared to the embodiment shown in Fig. 2 and Fig. 3a, alternative embodiments of a system with a device for introducing gas into a liquid container 80. The embodiments shown in Fig. 3b and Fig. 3c essentially correspond to the embodiment described in connection with Fig. 2 and Fig. 3a, which is why many details are not shown here and reference is made to Fig. 2 and Fig. 3a for these details. In contrast to the embodiment shown in Fig. 2 and Fig. 3a, however, the lids 90 in the embodiments shown in Fig. 3b and Fig. 3c are designed differently. Furthermore, in the embodiment shown in Fig. 3c, there is a difference in the base part 88 of the liquid container 80. This is explained in more detail below:

[0109] In the embodiment shown in Fig. 3b, the lid 90, which is detachably connected to the container body 81 at the container opening of the container body 81, has a pressure relief valve 97 within the lid. The pressure relief valve comprises a valve body 91 which, when there is excess pressure in the container body 81, opens a flow path through the lid 90, thus ensuring that, at a certain pressure in the container body 81, gas escapes from the container body 81 through the lid 90. However, this pressure relief valve 97 cannot be adjusted using an adjusting wheel, since no adjusting wheel is provided in this embodiment. In addition to the pressure relief valve 97, a safety valve, which is also not adjustable, can optionally be provided. This safety valve is then designed to open a safety flow path extending through the lid when a predetermined pressure on the safety valve is exceeded.If a safety valve is provided, the pressure at which the safety valve opens the safety flow path is higher than the pressure at which the pressure relief valve 97 opens the gas outlet flow path.

[0110] In the embodiment shown in Fig. 3c, the lid 90, which is detachably connected to the container body 81 at the container opening of the container body 81, has no valve, and therefore no pressure relief valve or safety valve. Accordingly, no flow path extending through the lid 90 is provided. Instead, a pressure relief valve 897 is arranged in the base part 88 of the liquid container 80, as shown schematically. The pressure relief valve 897 comprises a valve body 891 which, when there is excess pressure in the container body 81, opens a flow path through the base part 88 of the container body 81, thus ensuring that, at a certain pressure in the container body 81, gas escapes from the container body 81 through the container body 81.In addition to the pressure relief valve 897, a safety valve can optionally also be provided, wherein this safety valve is then designed to open a safety flow path extending through the bottom part 88 of the container body 81 when a predetermined pressure on the safety valve is exceeded. If a safety valve is provided, the pressure at which the safety valve opens the safety flow path is higher than the pressure at which the pressure relief valve 897 opens the gas outlet flow path.

[0111] Fig. 4 shows a sectional view of a gas outlet element 20. The gas outlet element 20 is connected to the gas outlet element adapter 13 by means of a threaded connection 27. The gas outlet element adapter 13 is connected to the base element 10. The gas outlet element 20 has a gas inlet opening 14 through which gas can enter the gas outlet element 20. A vertical bore 21 is arranged within the gas outlet element 20, through which the gas flow path 30 extends in the vertical direction. In the upper region of the gas outlet element 20, a gas deflection section 23 is arranged, which is formed by two horizontal bores that form four gas outlet openings 22a, 22b, 22c, rotated by 90° and formed as gas outlet channels 29a, 29b. The gas outlet openings 22a, 22b, 22c extend in a horizontal plane.In the area of ​​the gas outlet openings 22a, 22b, 22c, the gas flow path 30a runs horizontally, so that the gas exits the gas outlet openings 22a, 22b, 22c in a horizontal direction. The central axis 200a of the gas outlet channel 29a, 29b also extends in a horizontal direction. At the upper end 26 of the gas outlet element 20, a groove 20c is provided on the outer circumference 20a, in which a seal 24 in the form of an O-ring is arranged. Below the gas outlet openings 22a, 22b, 22c, a groove 20d is also provided, in which a seal 25 in the form of an O-ring is arranged.

[0112] Fig. 5 shows a bottom view of the base element 10. It features four feet 12a, 12b, 12c, and 12d. The gas line 54, which runs along the underside of the base element 10, is also visible. The gas outlet element adapter 13 is detachably connected to the base element 10 by means of several screws 13a.

[0113] Fig. 6 shows a sectional view of a base portion 88 of a liquid container. The base portion 88 is arranged on a gas outlet element 20. The flow path 30, 30a, 30b, 30c initially extends vertically through the gas outlet element 20 and then horizontally at the outlet from the gas outlet element 20. The gas flow path then extends vertically, is then rejoined horizontally, and then flows vertically through a one-way valve 85 and subsequently through a nozzle 86. The gas then enters the container interior 82 of the liquid container 80 from the nozzle 86.

[0114] The base part 88 has a base part housing 89 and a receiving section 89a, which can consist of several components. The receiving section 89a is designed such that the gas outlet element 20 can be received in the receiving section 89a, as shown in this illustration. The seal 25 ensures that no gas escapes downward from the base part 88.

[0115] The base part 88 has an internal thread 87a designed to connect to the external thread 81a of the container body 81. The internal thread 87a is located on a threaded component 87 of the base part 88. As shown here, the base part 88 and the container body 81 are connected to one another by means of this detachable threaded connection.

[0116] Fig. 7 shows a sectional view of a bottom part 88 of a liquid container. The bottom part 88 is connected to a container body 81. The receiving section 89a has openings 89c, 89d through which the gas flow path runs. The bottom opening 84 for introducing gas into the container interior 82 has a recess 84a designed to accommodate a gas outlet element. Fig. 8 shows a perspective view of a bottom part 88 of a liquid container. Above the valve 85, a nozzle 86 with four nozzle outlet openings 86a is provided, from which partial gas streams 30d exit in a vertical direction 100.

[0117] Fig. 9 shows a sectional view of a container body 81 of a liquid container. The container body 81 has a container opening 83 at its upper end. An opening is also provided at the lower end of the container body so that gas can be introduced into the container body from below.

[0118] Fig. 10 shows a sectional view of a gas flow regulation arrangement 60. The gas flow regulation arrangement 60 has a gas flow regulation dial 60a for opening the gas source 70 in the form of a gas cylinder. The gas flow regulation arrangement 60 has a pressure spindle 72 for opening the gas cylinder. The pressure spindle 72 is movable in the vertical direction by means of a pressure spindle guide component 65, which is coupled to a thread 72a of the pressure spindle 72. The pressure spindle 72 is designed and arranged to adjust the gas flow regulation arrangement 60 between the gas flow open position and the gas flow closed position by means of a movement in the vertical direction. The pressure spindle guide component 65 is stationary. To adjust the gas flow regulation arrangement 60, the tip 72b of the pressure spindle 72 is pressed onto the opening 71 of the gas cylinder 70.The gas cylinder 70 is screwed tight by means of a thread 73 and thus does not move vertically when pressure is exerted on the gas cylinder 70. Gas escaping from the gas cylinder 70 is guided through the component 83 and then via a connection point 53 into a line 53.

[0119] The gas flow control dial 60a is mounted for rotation about a vertical axis of rotation by means of a ball bearing 64. The pressure spindle 72 and the gas flow control dial 60a are coupled to a preloading element 61 in the form of a spring element. The preloading element 61 is designed and arranged to exert a restoring moment on the gas flow control dial 60a.

[0120] Fig. 1 1 shows a diagram in which a pressure in a liquid container is plotted. On the vertical axis, “SODA LEVEL” represents the amount of carbon dioxide in the water in a water bottle, plotted against the pressure (PRESSURE) in the water bottle on the horizontal axis. The amount of carbon dioxide in the water is plotted here as light, medium, and strong. With conventional devices for introducing gaseous carbon dioxide into a water bottle, gas can typically only be introduced up to a certain pressure (see Max. pressure in bottle). Therefore, for a relatively high amount of carbon dioxide in the water, it is necessary for several gas introduction processes to take place in succession, with the pressure having to be released again in between, as shown schematically in the following steps 401, 402, 403, 404, 405, and 406.

[0121] However, when using a device according to the invention, any amount of carbon dioxide can be introduced into the water in a single gas introduction process (see step 300). This allows for a significantly faster introduction of gas into the water. Furthermore, gas loss is significantly reduced, making the introduction of the gas significantly more efficient.

[0122] Fig. 12 shows a sectional view of a lid 90 for closing a liquid container. The lid 90 comprises a gas outlet flow path 98 that extends through the lid 90. A pressure relief valve 97 is provided, which comprises a valve body 91, wherein the valve body 91 is movable between an open position, in which the valve body 91 releases the gas outlet flow path 98, and a closed position, in which the valve body 91 closes the gas outlet flow path 98. Furthermore, an adjustment arrangement 93 is provided, which comprises a holding element 93a. The holding element 93 is designed and arranged to exert a holding force on the valve body 91. In the embodiment shown here, the holding element

[0123] 93 is designed as a coil spring. By means of the holding force, the holding element 93a can hold the valve body 91 in the closed position.

[0124] The adjustment assembly 93 includes an adjustment element 95, wherein the adjustment element 95 rests against the holding element 93a. The adjustment assembly 93 also includes an adjustment wheel 94, which is coupled to the adjustment element 95 and is configured to adjust the adjustment element 95 in the vertical direction.

[0125] The adjusting wheel 94 is connected to the adjusting element 95 by means of the section 94a. The adjusting element 95 has a threaded section 96. By means of the threaded section 96, the adjusting wheel is movably connected to the cover housing 90a by means of a threaded connection. The adjusting wheel has a recess 99 by means of which the adjusting wheel

[0126] 94 can be rotated by a user's finger. The lid housing 90a has a thread 90b that is connected to the container body 81. The lid 90 also has a non-adjustable safety valve 92. The safety valve is designed to open a safety flow path 92a extending through the lid 90 when a predetermined pressure on the safety valve 92 is exceeded. The pressure at which the safety valve 92 opens the safety flow path 92a is higher than the pressure at which the pressure relief valve 97 opens the gas outlet flow path 91.

[0127] Fig. 13 shows a plan view of a cover 90 in three different adjustment states.

[0128] In the illustration above, the adjustment wheel 94 is shown in a first position, in which the adjustment wheel is positioned relatively high, resulting in a relatively low holding force acting on the valve body. The pressure relief valve then opens at a relatively low pressure. This results in a relatively small amount of carbon dioxide being introduced into the water at this setting until the gas escapes through the lid 90 via the pressure relief valve due to the increasing pressure in the container.

[0129] In the middle illustration, the adjustment wheel 94 is shown in a second position, in which the adjustment wheel is positioned relatively centrally, whereby the holding force acting on the valve body is in a medium range. The pressure relief valve then opens at a medium pressure. This results in a medium amount of carbon dioxide being introduced into the water at this setting until the gas escapes through the lid 90 via the pressure relief valve due to the increasing pressure in the container.

[0130] In the illustration below, the adjustment wheel 94 is shown in a third position, in which the adjustment wheel is positioned relatively low, resulting in a relatively high holding force acting on the valve body. The pressure relief valve then only opens at a relatively high pressure. This results in a relatively large amount of carbon dioxide being introduced into the water at this setting until the gas escapes through the lid 90 via the pressure relief valve due to the increasing pressure in the container.

[0131] By means of such various settings of the adjustment wheel 94, it is therefore possible to adjust the amount of gas introduced into the liquid until the pressure relief valve opens. Fig. 14 shows a schematic representation of a method for introducing gas into a liquid container. The method comprises the following steps:

[0132] In a step 510, providing a device, preferably a device as described here, for introducing gas, in particular carbon dioxide, into a liquid container 80, in particular a water bottle, the device comprising a base element 10 with a receiving area 11 and a gas outlet element 20, which has at least one gas outlet opening 22a, 22b, 22c and extends upwards in the vertical direction 100 from the base element 10.

[0133] In a step 520, arranging a liquid container 80, in particular in the form of a water bottle, preferably a liquid container as described here, on the receiving area 11 of the base element 10 of the device, such that the gas outlet element 20 is arranged at least in sections within a base part 88 of the liquid container 80.

[0134] In a step 530, gas, in particular carbon dioxide, is introduced from a gas source 70 along a gas flow path 30, 30a into the liquid container 80, wherein the gas flow path 30, 30a extends from the gas source 70 and at least partially within the gas outlet element 20 and to the at least one gas outlet opening 22a, 22b, 22c. The gas outlet element 20 has a gas deflection section 23, wherein the gas flow path 30, 30a has a change of direction in the region of the gas deflection section 23, wherein the gas flow path 30, 30a extends in the region of the at least one gas outlet opening 22a, 22b, 22c along a direction deviating from the vertical direction 100. The gas is guided along the gas flow path starting from the bottom element 10 of the device within the gas outlet element 20 in front of the gas deflection section 23 in the vertical direction and after the gas deflection section 23 in the horizontal direction.The gas is first guided along the gas flow path from the gas source to a gas inlet opening of the gas outlet element, then guided in a vertical direction within the gas outlet element, and then deflected in a horizontal direction by means of the gas deflection section, so that the gas exits the at least one gas outlet opening in a horizontal direction, preferably in the form of several separate partial flows. Preferably, the gas flow path then impinges on the base part in a horizontal direction within the base part of the liquid container and is deflected in a vertical direction within the base part. Preferably, the gas is then guided at least partially in a vertical direction through the base part and then enters the container interior in a vertical direction through a nozzle.

[0135] List of reference symbols

[0136] 10 floor element

[0137] 11 Recording area

[0138] 12a, 12b Feet

[0139] 13 Gas outlet element adapter

[0140] 13a Screws

[0141] 14 Gas inlet opening

[0142] 20 Gas outlet element

[0143] 21 Hole

[0144] 20a Outer circumference of the gas outlet element

[0145] 20c, 20d groove

[0146] 22a, b, c gas outlet opening

[0147] 23 Gas diversion section

[0148] 24, 25 Seal

[0149] 26 End of the gas outlet element

[0150] 29a, 29b Gas outlet channel

[0151] 27 Threaded connection

[0152] 30, 30a-d gas flow path

[0153] 50 Gas source receiving element

[0154] 51 Tube of the gas source receiving element

[0155] 52 opening section

[0156] 53 liaison point

[0157] 54 Line

[0158] 60 Gas flow regulation arrangement

[0159] 60a Gas flow control dial

[0160] 61 Preload element

[0161] 64 ball bearings

[0162] 65 Pressure spindle guide component

[0163] 70 gas cylinders

[0164] 71 Opening the gas cylinder

[0165] 72 pressure spindle

[0166] 72a Thread of the pressure spindle

[0167] 72b Tip of the pressure spindle

[0168] 73 Gas cylinder thread

[0169] 80 liquid containers

[0170] 81 Container body

[0171] 81 a External thread of the container body 81 b Fill level mark

[0172] 82 Container interior

[0173] 82a Liquid

[0174] 82b Gas bubbles

[0175] 83 Container opening

[0176] 84 Floor opening

[0177] 84a recess

[0178] 85 Valve

[0179] 86 nozzle

[0180] 86a Nozzle outlet openings

[0181] 87 Threaded component

[0182] 87a internal thread

[0183] 88 base part

[0184] 89 Base housing

[0185] 89a Recording section

[0186] 89c openings

[0187] 89d openings

[0188] 90 lids

[0189] 90a cover housing

[0190] 90b thread

[0191] 91 , 891 pressure relief valve, valve body

[0192] 92 Safety valve

[0193] 92a Safety flow path

[0194] 93 Adjustment arrangement

[0195] 93a Holding element

[0196] 94 Adjustment wheel

[0197] Section 94a

[0198] 95 Adjustment element

[0199] 96 threaded section

[0200] 97, 897 pressure relief valve

[0201] 98 Gas outlet flow path

[0202] 99 Deepening

[0203] 100 vertical direction

[0204] 200 horizontal direction

[0205] 200a Central axis of the gas outlet channel

[0206] 500 procedures

[0207] 510-530 procedural steps

Claims

Claims 1. Device for introducing gas, in particular carbon dioxide, into a liquid container (80), in particular a water bottle, preferably through a bottom part of the liquid container, the device comprising a bottom element (10) which has a receiving area (11) for receiving a bottom part (88) of a liquid container (80), a gas outlet element (20) which has at least one gas inlet opening (14) and at least one gas outlet opening (22a, 22b, 22c), wherein the gas outlet element (20) extends upwards from the bottom element (10) in the vertical direction (100), a gas flow path (30, 30a) which extends from the at least one gas inlet opening (14) and at least partially within the gas outlet element (20) and to the at least one gas outlet opening (22a, 22b, 22c), characterized in that Gas outlet element (20) has a gas deflection section (23),wherein the gas flow path (30, 30a) has a change of direction in the region of the gas deflection section (23), wherein the gas flow path (30, 30a) extends in the region of the at least one gas outlet opening (22a, 22b, 22c) along a direction deviating from the vertical direction (100).

2. Device according to the preceding claim, wherein the gas flow path (30, 30a) extends in the region of the at least one gas outlet opening (22a, 22b, 22c) along a direction deviating from the vertical direction (100) by at least 70°, preferably by at least 80°, particularly preferably by at least 85°, in particular in the horizontal direction (200).

3. Device according to one of the preceding claims, wherein the gas flow path (30, 30a) in the region of the gas deflection section (23) has a change in direction of at least 70°, preferably of at least 80°, particularly preferably of at least 85°, in particular of 90°, and / or wherein the gas deflection section (23) is arranged directly upstream of the at least one gas outlet opening (22a, 22b, 22c) with respect to the gas flow path (30, 30a).

4. Device according to one of the preceding claims, wherein the at least one gas outlet opening (22a, 22b, 22c) is designed in the form of at least one gas outlet channel (29a, 29b), wherein the gas flow path (30, 30a) extends along the at least one gas outlet channel (29a, 29b) parallel to a central axis (200a) of the gas outlet channel (29a, 29b), wherein preferably the central axis (200a) of the gas outlet channel (29a, 29b) is arranged parallel to the horizontal direction (200).

5. Device according to one of the preceding claims, wherein the gas outlet element (20) has a plurality of, preferably four, gas outlet openings (22a, 22b, 22c), wherein the plurality of gas outlet openings (22a, 22b, 22c) are preferably arranged along an outer circumference (20a) of the gas outlet element (20), in particular equidistant from one another, and / or wherein the gas outlet element (20) comprises at least one seal (24, 25), in particular two seals, preferably designed as an O-ring, which is arranged on the outer circumference (20a), in particular in at least one groove (20c, 20d) on the outer circumference (20a), of the gas outlet element (20).

6. Device according to one of the preceding claims, wherein the gas outlet element (20) is detachably connected to the base element (10), in particular by means of a gas outlet element adapter (13) connectable to the base element (10), preferably by means of a threaded connection, and / or wherein the gas flow path (30, 30a) extends at least in sections along the base element (10).

7. Device according to one of the preceding claims, comprising a gas source receiving element (50) for receiving a gas source (70), in particular in the form of a gas cylinder, and preferably a gas source (70), preferably in the form of a gas cylinder, in particular in the form of a carbon dioxide cylinder, wherein the gas source (70) is arranged within the gas source receiving element (50).

8. Device according to one of the preceding claims, comprising a gas flow regulation arrangement (60), comprising a gas flow regulation rotary wheel (60a) for opening a gas source (70), preferably in the form of a gas cylinder, in particular in the form of a carbon dioxide cylinder, wherein the gas flow regulation arrangement (60) is adjustable, preferably continuously, between a gas flow open position and a gas flow closed position, wherein preferably the gas flow regulation arrangement (60) has a pressure spindle (72) for opening a gas cylinder, wherein the pressure spindle (72) is movable in the vertical direction by means of a pressure spindle guide component (65) which is coupled to a thread of the pressure spindle (72), wherein the pressure spindle (72) is designed and arranged to adjust the gas flow regulation arrangement (60) between the gas flow open position and the gas flow closed position by means of a movement in the vertical direction.

9. Device according to the preceding claim, wherein the pressure spindle (72) is rotatably mounted, in particular about a vertical axis of rotation, preferably by means of a threaded connection with the pressure spindle guide component (65), and wherein the pressure spindle (72) and / or the gas flow regulating rotary wheel (60a) is coupled to a pretensioning element (61), wherein the pretensioning element (61) designed and arranged to cause a restoring moment on the gas flow regulating rotary wheel (60a).

10. Liquid container (80), in particular in the form of a water bottle, preferably for a device according to one of the preceding claims or a device according to the preamble of claim 1, the liquid container (80) comprising a container body (81), a container interior (82) for receiving liquid, in particular water, a container opening (83) for filling liquid into the container interior (82) and / or for pouring liquid out of the container interior (82), a lid (90) for closing the container opening (83), wherein the lid (90) is preferably designed according to one of claims 15-17, characterized by a bottom part (88) which has a bottom opening (84) for introducing gas into the container interior (82), wherein the bottom opening (84) has a valve (85) which is designed to allow a fluid flow, in particular a gas flow, in the direction of the container interior (82) and a fluid flow,in particular to block a liquid flow in the direction out of the container interior (82), wherein the base part (88) has a receiving portion (89a), wherein the receiving portion (89a) is designed to receive a gas outlet element (20), preferably a gas outlet element (20) of a device according to one of the preceding claims, in particular by means of a recess (84a) of the receiving portion (89a). 1 1. Liquid container according to one of the preceding claims, wherein the bottom part (88) has a nozzle (86) which is arranged behind the valve (85) with respect to a gas flow path (30, 30d), wherein the Gas flow path (30, 30d) extends through the nozzle (86), wherein the nozzle (86) preferably has a plurality of, in particular vertically extending, outlet channels (86a), and / or wherein the base part (88) is detachably connected to the container body (81), preferably by means of a threaded connection, wherein preferably the container body (81) comprises an external thread (81a) and the base part (88) comprises an internal thread (87a), wherein the internal thread (87a) of the base part (88) is designed to be connected to the external thread (81a) of the container body (81), and / or wherein the base part (88) is designed to be arranged on a receiving area (11) of a base element (10) of a device according to one of claims 1-9.

12. Liquid container according to the preceding claim, wherein the lid (90) has a, in particular adjustable, pressure relief valve (91), wherein preferably the lid (90) further has a safety valve (92), which is preferably not adjustable, wherein preferably the pressure relief valve (91) is coupled to an adjusting arrangement (93), wherein the adjusting arrangement (93) is preferably designed to adjust an opening pressure of the pressure relief valve (91).

13. System comprising a device according to one of claims 1-9 and a liquid container according to one of claims 10-12, wherein the bottom part (88) of the liquid container (80) can be arranged on the receiving area (11) of the bottom element (10) of the device, preferably in such a way that the gas outlet element (20) of the device is arranged at least in sections within the bottom part (88) of the liquid container (80), in particular within a recess (84a) of a receiving section (89a) of the bottom part (88).

14. System according to the preceding claim, wherein, when the liquid container (80) is arranged on the receiving area (11) of the base element (10) of the device, the receiving section (89a) of the base part (88) is designed to receive the gas outlet element (20) of the device, wherein preferably at least one seal (24, 25) of the gas outlet element (20) rests against the receiving section (89a) of the base part (88), and / or wherein the liquid container (80), when it is arranged on the receiving area (11) of the base element (10) of the device, is movable in the vertical direction (100) and preferably cannot be locked with the device in the vertical direction (100).

15. Method (500) for introducing gas, in particular carbon dioxide, into a liquid container, in particular into a water bottle, preferably through a bottom part of the liquid container, the method comprising the following steps: Providing (510) a device, preferably a device according to one of claims 1-9, for introducing gas, in particular carbon dioxide, into a liquid container (80), in particular a water bottle, the device comprising a base element (10) with a receiving area (11) and a gas outlet element (20) which has at least one gas outlet opening (22a, 22b, 22c) and extends upwards from the base element (10) in the vertical direction (100), Arranging (520) a liquid container (80), in particular in the form of a water bottle, preferably a liquid container according to one of claims 10-12, on the receiving area (11) of the base element (10) of the device, such that the gas outlet element (20) is arranged at least in sections within a base part (88) of the liquid container (80), Introducing (530) gas, in particular carbon dioxide, from a gas source (70) along a gas flow path (30, 30a) into the liquid container (80), wherein the gas flow path (30, 30a) extends from the gas source (70) and at least extends in sections within the gas outlet element (20) and to the at least one gas outlet opening (22a, 22b, 22c), characterized in that the gas outlet element (20) has a gas deflection section (23), wherein the gas flow path (30, 30a) has a change of direction in the region of the gas deflection section (23), wherein the gas flow path (30, 30a) extends in the region of the at least one gas outlet opening (22a, 22b, 22c) along a direction deviating from the vertical direction (100), wherein the gas is preferably guided along the gas flow path starting from the base element (10) of the device within the gas outlet element (20) upstream of the gas deflection section (23) in the vertical direction and downstream of the gas deflection section (23) in the horizontal direction.

16. Lid (90) for closing a liquid container (80), in particular a water bottle, preferably for closing a liquid container (80) according to one of claims 10-12 or a liquid container (80) according to the preamble of claim 10, the lid (90) comprising a gas outlet flow path (98) extending through the lid (90), a pressure relief valve (97) comprising a valve body (91), wherein the valve body (91) is movable between an open position in which the valve body (91) releases the gas outlet flow path (98) and a closed position in which the valve body (91) closes the gas outlet flow path (98), and an adjustment arrangement (93) comprising a holding element (93a), wherein the holding element (93) is designed and arranged to exert a holding force on the valve body (91) by means of which the holding element (93a) holds the valve body (91) in the closed position.

17. Lid according to the preceding claim, wherein the holding element (93a) comprises or consists of a spring, in particular a compression spring, wherein the holding element (93a) preferably bears against the valve body (91), and / or wherein the adjusting arrangement (93) comprises an adjusting element (95), wherein the adjusting element (95) bears against the holding element (93a), wherein preferably the adjusting arrangement (93) has an adjusting wheel (94) which is coupled to the adjusting element (95) and is designed to adjust the adjusting element (95), in particular to adjust the adjusting element (95) in the vertical direction.

18. Lid according to the preceding claim, wherein the adjusting element (95) is connected, in particular detachably, to a lid housing (90a) of the lid (90) by means of a threaded connection, and / or wherein the adjusting wheel (94) is mounted rotatably, in particular rotatably about a vertical axis, and / or wherein the lid (90) has a safety valve (92), which is preferably not adjustable, wherein the safety valve (92) is designed to release a safety flow path (92a) extending through the lid (90) when a predetermined pressure on the safety valve (92) is exceeded.

Images