EP3500517A1 - Fass mit druckventil zum aufbewahren von bier, dessen verwendung, verfahren zum regeln des drucks im fass, fasshohlboden, modulares system zum herstellen eines fasshohlbodens und verfahren zum befüllen eines fasses - Google Patents
Fass mit druckventil zum aufbewahren von bier, dessen verwendung, verfahren zum regeln des drucks im fass, fasshohlboden, modulares system zum herstellen eines fasshohlbodens und verfahren zum befüllen eines fassesInfo
- Publication number
- EP3500517A1 EP3500517A1 EP17777079.9A EP17777079A EP3500517A1 EP 3500517 A1 EP3500517 A1 EP 3500517A1 EP 17777079 A EP17777079 A EP 17777079A EP 3500517 A1 EP3500517 A1 EP 3500517A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure valve
- pressure
- chamber
- container
- insert
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 235000013405 beer Nutrition 0.000 title claims description 25
- 238000000034 method Methods 0.000 title description 13
- 239000007788 liquid Substances 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 51
- 239000003380 propellant Substances 0.000 description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 13
- 239000000203 mixture Substances 0.000 description 9
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 239000001569 carbon dioxide Substances 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000001272 nitrous oxide Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
- B67D1/0412—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container
- B67D1/0437—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container comprising a gas pressure space within the container for the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/60—Contents and propellant separated
- B65D83/66—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head
- B65D83/663—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head at least a portion of the propellant being separated from the product and incrementally released by means of a pressure regulator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0801—Details of beverage containers, e.g. casks, kegs
- B67D1/0802—Dip tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
- B67D1/1252—Gas pressure control means, e.g. for maintaining proper carbonation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0801—Details of beverage containers, e.g. casks, kegs
- B67D2001/0822—Pressurised rigid containers, e.g. kegs, figals
- B67D2001/0824—Pressurised rigid containers, e.g. kegs, figals with dip tubes
Definitions
- the invention relates to the technical field of packaging technology. Specifically, the invention relates to a pressure valve for a container whose contents can be conveniently removed by a consumer, in particular the container is under an increased internal pressure compared to the external pressure.
- the container is comparatively bulky, significantly larger than a common one
- Beverage can and the contents is a drink to be tapped under pressure.
- Portable beer kegs those with a volume of less than 50 liters, in particular under
- a variant of such, provided with metallic mantle, portable beer kegs can be emptied by the action of gravitational force.
- a tap is in the
- Such containers are not very user-friendly, since the barrel is placed, for example, on the edge of a table for filling a glass with beer
- containers comprising an internal pressure system. Through these systems, the pressure inside is kept above the ambient pressure. This allows the arrangement of the tap in the upper region of the container. As a result, a consumer typically has sufficient space between the lower outlet end of the tap and the level of the container to hold a glass to be filled under the tap, without having to specially position the keg.
- the shelf life of the beer after the onset of the barrel can be up to more than 30 days, since during beer extraction no
- a beer keg system of the second variant is known to those skilled in the art from WO 1999/47451
- beer keg system comprising a print cartridge located inside the container space filled with beer is arranged and generates an overpressure in this room.
- the print cartridge comprises activated carbon, whereby a larger amount of pressurized or propellant gas can be introduced into the cartridge with respect to a not provided with activated carbon cartridge without raising the pressure in the cartridge too much.
- these cartridges are called "carbonator”.
- this system has proven to be the best-performing solution for portable beer kegs in the market under 20 liters in the market. It became, so to speak, the market standard.
- the wall material of the "carbonator” typically consists of a different metal than the wall material of the beer keg, is stored in the beer. This leads in the recycling process to a mixed scrap (including material of the wall of the
- Carbonators and material of the outer wall of the beer keg), which is undesirable.
- the object of the invention is to provide a system which is inexpensive to produce with high ease of use by a consumer, provides high flexibility in terms of the choice of fuel gas (pressure and type of gas) and a long shelf life of the contents, even after opening of the container
- a container for storing a liquid comprises a filling space (also: filling space), a pressure chamber and a pressure valve.
- the filling space is formed by a container bottom, a container wall and a container top and in the Beglallraum there is a first pressure.
- the pressure chamber is formed by the
- the pressure valve is connected to the container bottom and the pressure chamber floor. In the open state of the pressure valve, the pressure valve connects the filling chamber and the pressure chamber fluidkommuniplasticd. In the closed state of the pressure valve, the pressure valve separates the filling chamber and the pressure chamber fluid-tight against each other.
- Pressure chamber bottom and the container bottom can lead to a deformation or buckling of the container bottom and / or the pressure chamber floor.
- Fluid communicating means that a fluid exchange between two spaces (for example, filling space and pressure space) is possible, in particular fast and not tough.
- Fluid-tight means that practically no fluid exchange can take place between two rooms; The skilled person understands that perfect sealing of two spaces without any fluid exchange or fluid flow is practically unrealizable. Parasitic flow or exchange is always given, so it is not a practically substantial exchange. A marginal fluid flow or fluid exchange will also take place between two fluid-tight spaces separated from each other, wherein the pressure difference between the two spaces has an influence on the amount of the parasitically exchanged fluid per unit time. In any case, the fluid exchange in the closed state of the pressure valve, so fluid-tight, much lower than the fluid exchange in the open state of the pressure valve, so fluidkommuniplasticd.
- the container bottom and the pressure chamber bottom can each have a recess.
- the pressure valve can intervene, whereby a force resulting from a pressure difference between the pressure chamber and the Be Schollraum and the
- the pressure valve may have a pressure valve body. At the upper and at the lower end of the pressure valve, in each case a projection may be arranged, wherein the upper and the lower projection project in each case at least partially circumferentially in the r-direction over at least one radial part of the pressure valve body.
- Projections (top and bottom) may be formed over the entire circumference of the pressure valve or be formed teilumflind briefly. Also a training of several Projections per axial end of the pressure valve (top and bottom) is possible, wherein each of the projections may be formed partially circumferentially.
- the projection on the upper end of the pressure valve contacts the upper side of the container bottom and the projection on the lower end of the pressure valve contacts the lower side of the pressure chamber bottom.
- the force acting on the container bottom and the pressure chamber floor resulting from the pressure difference described at least partially be absorbed by the pressure valve.
- the projections of the pressure valve may comprise a sealing element.
- a plurality of sealing elements per side of the pressure valve may be arranged or only one
- Sealing element or sealing elements may be arranged on a projection or on projections of one side of the pressure valve. By attaching a sealing element is an improved tightness at the contact point between the pressure valve and
- the container may include an outlet conduit with one end and another end.
- the one end of the outlet conduit may be in the filling space.
- the other end may be outside the container.
- a consumer can take a content from the filling space via the outlet line (tap).
- the container bottom may be curved or dome-shaped, which means that at least a portion of the container bottom is curved or dome-shaped.
- the distance is preferably the shortest distance of a point on the pressure chamber floor and the end lying in the filling space.
- the shortest distance can be determined by the selection of a point on the pressure chamber floor, which has the smallest distance to the lying in the filling space end of the outlet.
- the distance between the described end of the outlet conduit and the pressure space bottom may be smaller than a distance between the described end of the outlet conduit and the apex or edge of an opening of the container bottom.
- the container bottom is curved or dome-shaped and has a central opening (recess), at a location of the container bottom, where the vertex would lie on the container bottom, if the
- Container bottom would not have the opening or the opening would be at a different location, the container bottom has a vertex.
- Vertex in this case is to be determined by extrapolation and is at one Location located at the vertex would lie on the container bottom, if no opening in the container bottom is present or the opening is present at another location.
- the arrangement of the one end of the outlet duct close to the pressure chamber bottom results in an advantageous removal possibility of the contents of the container via the outlet duct, especially if the contents are a fluid-prone liquid, e.g. Beer, and the level in the filling space is low.
- a fluid-prone liquid e.g. Beer
- the liquid When gas flows from the pressure chamber via the pressure valve in the filling space, the liquid can be foamed in the filling space to a considerable extent. Because of the low density, the foam spreads above the outlet and laterally therefrom and accumulates primarily near the interface in the filling space.
- a z-axis can also be formed through the container.
- the z-axis extends therein from or through the pressure chamber bottom toward the container top. Accordingly, there is a lower numerical value on the z-axis for the pressure chamber floor than for the container top.
- the end of the outlet line can not be located above (ie at the same height or below) of the pressure valve with respect to the z-axis.
- the container bottom may be curved or dome-shaped. In this case, at least a portion of the container bottom is curved or dome-shaped.
- An end of the outlet duct, especially one end located in the filling space, can not be above (equal height or below) the apex or edge of an opening of the tank bottom.
- the vertex determination described above is also applicable to this container.
- the embodiment again has the advantage of reduced removal of foam from the filling space.
- the pressure in the pressure chamber can be at least 1 bar higher than in the filling chamber.
- the pressure in the pressure chamber is at least 2 bar, more preferably at least 3 bar, greater than the pressure in the Be bendraum.
- Quantity of propellant gas (high pressure) be stored in the pressure chamber and at the same time be the pressure in the filling space (relatively) lower, resulting in a better and more stable over different filling levels of the filling space
- Any pressure valve disclosed herein may be a control valve.
- the pressure chamber can be filled with a propellant gas.
- the propellant is preferably carbon dioxide (C0 2 ), nitrogen (N 2 ), nitrous oxide (N 2 0) or mixtures of the gases.
- the pressure in the pressure space is preferably between 5 bar (0.5 MPa) and 35 bar
- the pressure in the pressure chamber is also determined by the volume of the pressure chamber, so that at a larger volume of the pressure chamber under
- Presence of a constant amount of substance may be lower or may be higher for a larger volume of the pressure chamber, the pressure.
- the pressure in the filling chamber may be smaller than the pressure in the pressure chamber.
- the pressure in the filling space can be between 1.2 bar (0.12 MPa) and 7 bar (0.7 MPa), more specifically between 1.5 bar and 6 bar, more particularly between 1.7 and 5 bar.
- the volume of the pressure space may be between 0.1 L and 5 L, especially between 0.1 L and 3 L, more specifically between 0.5 L and 2.5 L, more particularly between 0.5 L and 1.5 L.
- the volume of the filling space can be between 1 L and 25 L, especially between 2 L and 20 L.
- the filling space preferably has a volume which allows 2 L, 3 L, 5 L or 20 L of a liquid to be accommodated so that a gas-filled area of at least 0.05 L preferably exists in addition to the liquid in the filling space.
- the pressure chamber can not include filing.
- a sizing agent is a component that is typically in solid state at ambient conditions and allows for the uptake of a substance amount of a substance. In this case, the pressure increase, in the space in which the filament is introduced, falls lower by the introduction of the substance, compared with the introduction of the same amount of substance in the same space without filament.
- the vapor pressure of the propellant gas or propellant gas mixture may be above the pressure of the pressure space, especially down to a temperature of -5 ° C.
- the propellant gas or the propellant gas mixture in the pressure chamber is for the most part in gaseous form, it being known to the person skilled in the art that even in this state a (very) small proportion of the propellant gas or the propellant gas mixture is present in liquid form (cf.
- the container bottom is curved or dome-shaped. Specifically, the container bottom is curved in the z-direction to the container interior.
- the vertex or the edge of an opening of the container bottom in the (z) direction of the container interior is the vertex or the edge of an opening of the container bottom in the (z) direction of the container interior.
- a curvature of the container bottom can be a space of only a total of two components (here tank bottom and pressure chamber floor) form.
- an inwardly curved container bottom allows improved drainability of a filled container, since at constant residual filling in the edge region of the container over a non-curved container bottom results in an increased filling height (smaller cross-sectional area).
- the pressure chamber floor can be configured substantially planar, especially the pressure chamber floor is formed substantially parallel to the container top. The "essentially” allows a deviation from the flatness and parallelism by 10%.
- the pressure chamber floor can be designed so that the pressure chamber floor does not contact the planar surface when the container is standing upright on a level surface.
- the container bottom, the pressure chamber bottom, the container wall and / or the container top made of metal sheet with wall thickness (s) of less than 1.00 mm.
- the wall thickness is less than 0.80 mm, more preferably less than 0.55 mm.
- a small material thickness (wall thickness) of the components of the container results in a particularly economical use as a disposable container.
- a disposable container is typically disposed of by a consumer after use and is not reused.
- Each container disclosed herein may be a keg, in particular a beer keg.
- the pressure valve sleeve is designed such that the first pressure valve insert and the second pressure valve insert can be inserted or inserted into the pressure valve sleeve.
- the first and the second pressure valve insert are at least partially disposed within the pressure valve sleeve.
- Pressure valve sleeve comprises a metallic material, in particular is the
- Pressure valve sleeve at least partially made of metal, and the first and second pressure valve insert include a Kunststoffoffoff- Werkst off, especially the first and the second pressure valve insert at least partially made of plastic.
- the pressure valve is inserted into a container, wherein the pressure valve is connected to a container bottom and to a pressure chamber bottom, the force resulting from an overpressure in the pressure chamber (as described above) can be absorbed by the container bottom and the pressure chamber bottom primarily by the metal-comprising pressure valve sleeve become.
- the pressure valve sleeve may have lateral and axial openings and / or channels.
- the pressure valve sleeve is not intended as a pipe without radial openings or channels understand.
- the wall or one of the walls of the pressure valve sleeve can be configured, for example, as a grid.
- the pressure valve sleeve of the pressure valve may be made of metal and the first and / or the second pressure valve insert made of plastic.
- the pressure valve sleeve may have at one axial end a projection which is designed so that the projection can overlap or embrace an opening of a container bottom.
- the projection can be fully formed.
- the pressure valve sleeve can be configured at an axial end so that the end can be connected to a pressure chamber floor.
- the compound can be specifically provided via a double fold.
- the first pressure valve insert may have a first and a second channel. Through the channels, a space located outside the pressure valve (pressure chamber) with another lying outside the pressure valve chamber (Be spallraum)
- the first pressure valve insert may have a groove. Specifically, the groove is completely circumferential. The groove is configured with a lateral opening of the
- the first pressure valve insert of the pressure valve may comprise at least one sealing element.
- the first pressure valve insert comprises a plurality, particularly preferably three, sealing elements.
- the sealing element acts between the first
- Pressure valve insert and the pressure valve sleeve in the axial direction which improves the connection of the two elements.
- the first pressure valve insert can positively or non-positively with the
- Pressure valve insert opposite the pressure valve sleeve.
- the second pressure valve insert may comprise a membrane.
- the membrane comprises a landing element.
- the membrane is made of a flexible plastic.
- the second pressure valve insert may comprise a tensioning element, in particular a spring.
- the clamping element can between a membrane and a
- the second pressure valve insert may have a groove.
- the groove can be designed on the inside. In the groove can engage a projection of a closing element.
- the closing element can be inserted into the second pressure valve insert. Specifically, the closing element can be pushed into the second pressure valve insert so far that a projection of the closing element engages in a groove of the second pressure valve insert.
- the second pressure valve insert of the pressure valve may be positively or non-positively connected to the first pressure valve insert. Specifically, the second one
- Pressure valve insert bolted to the first pressure valve insert.
- the second pressure valve insert of the pressure valve may also be positively or non-positively connected to the pressure valve sleeve. Especially by an excess of the second pressure valve insert against the pressure valve sleeve.
- the pressure valve may include a third pressure valve insert.
- the third pressure valve insert may include a third pressure valve insert.
- Pressure valve insert may include a valve.
- the valve of the third pressure valve insert may be a poppet valve.
- the third pressure valve insert of the pressure valve may include an opening.
- the opening in the opened state of the valve, a pressure chamber, which is outside the pressure valve, via a second channel in the first pressure valve insert and an opening of the pressure valve sleeve with a Beglallraum, which is outside the pressure valve, via a first channel in the first pressure valve insert connect fluid communicating.
- the third pressure valve insert may comprise a tensioning element.
- the clamping element can press a sealing plate in the direction of a valve seat.
- a membrane of the second pressure valve insert may be coupled to a valve, in particular mechanically coupled.
- the membrane is coupled to a valve in a third pressure valve insert, in particular mechanically coupled.
- the first pressure valve insert and the second pressure valve insert can each be arranged in the pressure valve sleeve to at least 50% of the total height of the pressure valve insert, preferably at least 70% of the total height of the pressure valve insert, more preferably at least 90% of the total height of the pressure valve insert.
- a pressure valve for a container may include a pressure valve body, a first
- Pressure valve chamber, a second pressure valve chamber and a third pressure valve chamber include.
- the first pressure valve space is formed by the pressure valve body and a first movable piston.
- the second pressure valve space is through the
- the second pressure valve chamber is connected in a fluid-communicating manner via a filling space channel to a first space located outside the pressure valve.
- the third pressure valve chamber is delimited by the pressure valve body and the second piston and is fluid-communicatively connected via a first pressure chamber passage to a second space located outside the pressure valve.
- the first and second movable piston is preferably guided in their respective movement and, in particular, a movement substantially only in the axial direction (z-direction) is possible.
- the "essentially” refers to the fact that, in the case of use according to the invention, the axial mobility is the main mobility.
- the first space outside the pressure valve may be any space outside the pressure valve, specifically it is a fill space.
- the second space outside the pressure valve may be any space outside the pressure valve. This space is preferably the pressure chamber.
- the pressure valve body may comprise a second pressure chamber passage which is closed in a fluid-tight manner at one end of the second pressure chamber passage by the first piston in the closed state of the pressure valve and at another end opposite to the second, outside of the pressure valve chamber is open.
- Pressure chamber channel fluidkommunilastd connected. Specifically, in the open state of the pressure valve, the first space located outside the pressure valve and the second space outside the pressure valve are connected in a fluid-communicating manner.
- the pressure valve may include a seat valve. In the sealing state of the seat valve, the pressure valve is closed and in the non-sealing state of the seat valve, the pressure valve is opened.
- the seat valve comprises a sealing element, wherein the sealing element formed by a portion of the second piston and the sealing element can bear fluid-tightly against a portion of the pressure valve body.
- the sealing element is conical, spherical or plate-shaped, so that a conical seat valve, ball seat valve or plate seat valve results.
- the first movable piston may be mechanically coupled to the second movable piston as soon as the pressure in the first pressure-valve space is so great that the first piston moves toward and contacts the second piston based on the pressure in the z-direction. Due to the pressure in the first pressure valve chamber, a force acts on the first piston as a function of the area of the first piston to which the pressure acts. By overcoming at least one frictional force and possibly a weight force, the first piston can move.
- the first piston comprises a receiving element, whereby the first piston and the second piston can be coupled.
- the first piston may comprise a seal.
- the seal is a molded seal or O-ring.
- the molded seal can be made by a 2-component production (multi-component injection molding).
- a clamping element can be clamped between the pressure valve body and the second piston.
- the clamping element is a spring made of metal or plastic.
- the tensioning member is provided to hold the second piston in a fixed position relative to the pressure valve body, even when no additional forces act on the elements of the pressure valve.
- the clamping element is arranged in the third pressure valve chamber.
- the first piston and / or the second piston may not have a channel.
- At least one of the first and second pistons is configured in full.
- the first and / or the second piston may be formed in one piece.
- the pressure valve body may have a fluid-tight closable pressure valve inlet, through which a substance in the first pressure valve chamber can be introduced.
- the substance is preferably a gas and especially a propellant gas.
- Equally possible is the introduction of a substance in liquid or solid form, wherein the phase transformation into the gaseous form takes place later in the first pressure valve chamber.
- carbon dioxide can be introduced in the form of dry ice or introduced liquid, wherein in the first pressure valve chamber sublimation or evaporation of not
- a described container may comprise a described pressure valve
- the pressure valve can be used on the bottom side in the container.
- the filling space of a container can be filled with a liquid.
- the liquid is beer.
- the described container can be used as a portable drum, the drum having a filling volume of not more than 20 L, preferably not more than 10 L or 5 L. Specifically, the volume is greater than 1 L and in particular greater than 2 L.
- the pressure in the filling space of a described container can be regulated (automatically) in one method.
- the filling space is at least partially with a
- Liquid filled and the pressure chamber is at least partially filled with a propellant gas.
- the container includes an outlet conduit with a valve. When the valve is open, the outlet line connects the filling chamber and a container
- the valve is actuated, whereby a portion of the liquid in the filling space in the - surrounding the container - space is drained and according to the volume of the drained liquid, the pressure in the filling chamber decreases.
- the pressure valve opens at
- the method may include a previously described pressure valve.
- a metallic container may store a pressurized liquid, preferably beer.
- the container comprises a filling space for the liquid and a pressure space for a propellant gas.
- the filling space is formed between an upwardly curved container bottom and a container top. The filling space absorbs the liquid and a first overpressure relative to the exterior.
- Pressure chamber is formed between the container bottom and a pressure chamber bottom located further down (in an upright container).
- the pressure chamber receives a second overpressure of a propellant gas.
- a first recess is provided in the container bottom and a second recess is provided in the pressure chamber bottom, the recesses being axially aligned to receive a sealing pressure valve closing and sealing both recesses.
- a container hollow bottom can be used for a container.
- Container hollow bottom comprises a first bottom and a second bottom and a pressure valve. Both the first floor and the second floor has one
- the first floor is connected to the second floor.
- Pressure valve is connected to the first floor and the second floor. This is formed a fluid-tight pressure chamber. In the open state of the pressure valve is the pressure chamber with a space surrounding the container hollow bottom,
- the pressure chamber In the closed state of the pressure valve, the pressure chamber is separated from a space surrounding the container hollow bottom, fluid-tight.
- the first floor and / or the second floor made of steel, iron or aluminum.
- the pressure valve is preferably made of plastic, especially of a thermoplastic, more preferably the pressure valve consists of two or three different thermoplastics.
- both the container bottom, the container wall, the container top and the pressure chamber floor can be made of tinplate.
- the first bottom of the container hollow bottom may have a domed or dome-like shape.
- the pressure valve of the container hollow bottom can each engage in the recess of the first bottom and the second bottom.
- the pressure valve of the container hollow bottom at the upper and lower ends in each case at least one projection.
- the protrusion at the upper end contacts the outer surface of the first floor and the protrusion at the lower end contacts the outer surface of the second floor.
- a pressure PD 3 in the pressure space above the atmospheric pressure.
- This overpressure may be caused by a propellant gas, in particular
- Carbon dioxide, nitrogen, nitrous oxide or mixtures of gases are gases.
- the first bottom of the container bottom can be the second bottom of the container bottom
- edge region of the first floor can be configured such that the container hollow floor can be connected to a container via the first floor. This connection can be designed in particular by a crimp.
- the pressure valve may be connected in the container hollow bottom to the first bottom and the second bottom so that forces acting on the first bottom and the second bottom at an overpressure in the pressure chamber, at least partially from or can be absorbed by the pressure valve. This results in an improved stability of the container hollow bottom at an overpressure in the pressure chamber.
- a modular system for producing a container bottom comprises a first bottom, a second bottom and a pressure valve.
- the first floor has one
- the second floor has a
- the pressure valve has a projection at its (axial) upper end and at its (axial) lower end.
- the first floor and the second floor are connectable via the bead of the first floor.
- the pressure valve may be connected to the first bottom and the second bottom such that the protrusion at the top (axial) end of the pressure valve contacts the top of the first bottom and the protrusion at the bottom (axial) end of the pressure valve contacts the bottom of the second bottom ,
- the first bottom of the modular system may have a domed or dome-like shape.
- the pressure valve of the modular system can engage in each of a recess of the first floor and the second floor.
- a fluid-tight pressure chamber can be formed when the pressure valve is closed.
- a container with a filling chamber, a pressure chamber and a pressure valve can be filled in one method.
- the filling space is formed by a container bottom, a container wall and a container top.
- the pressure chamber is through the container bottom and a
- the pressure valve is connected to the container bottom and the pressure chamber floor.
- the pressure valve has a pressure valve inlet.
- the container has a Be Schollraumeinlass. Within the process, a liquid is filled into the filling space via the Be Pavllraumeinlass. A gas is introduced into the pressure valve via the pressure valve inlet. The pressure valve inlet is closed.
- the method steps are preferably carried out in the following sequence: filling the liquid into the filling space via the filling chamber inlet, filling a Gas in the pressure valve via the pressure valve inlet and closing the pressure valve inlet.
- a cover can be connected to the pressure valve via at least one web. To close the pressure valve inlet, the cover on the
- Pressure valve inlet are applied, whereby the pressure valve inlet is closed.
- the cover is applied cohesively to the pressure valve inlet.
- the cover may be friction welded to the pressure valve or applied to the pressure valve inlet, particularly by ultrasonic welding.
- a first piston of the pressure valve By filling a gas in the pressure valve via the pressure valve inlet, a first piston of the pressure valve can be moved until the first piston contacts or abuts a second piston of the pressure valve.
- the gas filled in the pressure valve is carbon dioxide, nitrogen, nitrous oxide or a mixture of these gases.
- One of the pressure valves disclosed herein may be used in a container.
- the container comprises a pressure chamber and a filling space.
- the filling space is formed by a container bottom and a container top and in the Behellraum there is a first pressure (Be colllraumdruck) PBS.
- the pressure chamber is through the
- the pressure valve is connected to the container bottom and to the pressure chamber bottom. In the open state of the pressure valve, the filling chamber and the pressure chamber are connected in a manner that communicates with the fluid, and in the closed state of the pressure valve, the filling chamber and the pressure chamber are fluid-tightly separated from one another.
- a projection of the pressure valve sleeve may contact the upper side of the container bottom and the pressure valve sleeve may be connected to the pressure chamber bottom.
- the pressure valve sleeve via a fold, preferably a double fold, connected to the pressure chamber floor.
- the pressure chamber floor can be welded to the container bottom in the edge region.
- the container may comprise an outlet line
- the container bottom may be curved or dome-shaped.
- the distance between an end of the outlet line located in the filling space and a point on the pressure chamber bottom, especially the point with the smallest distance to the end of the filling space lying in the filling space Outlet line may be less than or smaller than the distance between the end of the discharge line lying in the filling space and the vertex or the edge of the opening of the container bottom.
- a z-axis may be formed, wherein the z-axis of the
- Pressure chamber floor extends in the direction of the container top. One in the filling room
- lying end of the outlet line may, with respect to the z-axis, not above the pressure valve.
- Tank top extends, and with a dome-shaped or domed
- the container bottom can bulge in the direction of
- Liquid in the filling space of an outlet line can be reached well and only a (very) small amount of liquid can not be removed.
- One of the pressure valves disclosed herein may be used in a container having a liquid filled filling space.
- the liquid is beer.
- One of the pressure valves disclosed herein may be used in a portable drum, the portable drum as a container, wherein the portable drum is a filling volume
- FIG. 1 shows a schematic representation of a container 1 in FIG.
- FIG. 2 shows a sectional view through the bottom region of a container 1 in the z-direction, with a detailed representation of a pressure-side valve 10 that can be used on the bottom side and attached to the bottom.
- FIG. 3 shows a container bottom region 1a without bottom-side
- Figure 4 shows a bottom side to be used pressure valve 10 in
- FIG. 5 shows another bottom-side usable pressure valve
- FIG. 6 shows a container hollow bottom 200.
- FIG. 7 shows a container 301 to be filled.
- FIG. 8 shows a section of a filled container 301
- FIG. 9 shows a detail of a filled container 301
- FIG. 10 shows a pressure valve 410 before a closing element
- FIG. 11 shows a pressure valve 410 after a closing element
- Figure 12a shows a step during the connection of a
- FIG. 12b shows a step during the connection of a
- Figure 12c shows a step during the connection of a
- Pressure valve sleeve 444 with a pressure chamber bottom 405th An embodiment of a container 1 is shown schematically in FIG.
- a filling space 40 is arranged in the upper region of the container 1, a filling space 40 is arranged.
- the filling space 40 is partially filled with a liquid and the uppermost region of the filling space 40 is filled with a gas.
- the filling chamber 40 is formed by a container wall 7, a container top 8 and a container bottom 2.
- a pressure valve 10 connects the container bottom 2 and the pressure chamber bottom 5 and extends through the pressure chamber 6.
- the pressure pp in the pressure chamber 6 is greater than the pressure pe in the filling space 40th
- the pressure pe is the pressure to be understood on the
- the pressure pe in the filling chamber 40 is greater than the ambient pressure of the container 1, so that the liquid in the filling chamber 40 flows out of an outlet line 30 by opening a valve 32. Due to the outflow of the liquid in the filling space 40, the pressure pe decreases in accordance with the volume of liquid removed.
- Pressure valve 10 and a gas flows from the pressure chamber 6 into the filling chamber 40 until a certain pressure in the filling chamber 40 is reached. Then the pressure valve 10 closes and no further gas can flow from the pressure chamber 6 into the filling space 40. This ensures that the pressure p.sub.s in the filling space 40 is always sufficiently high to allow the liquid content of the filling space 40 to escape by opening the valve 32 via the outlet line 30.
- This arrangement serves to prevent possible foaming by a liquid in the filling space 40, during or after a gas flows from the pressure space 6 into the filling space 40, to distance from this end of the outlet line 30, so that a small amount of foam and a large proportion of non-foamed liquid can be removed via the outlet line 30.
- the end of the outlet line 30 located in the filling space 40 also lies below the apex of the curved container bottom 2 in the z-direction and below the edge of the opening in the container bottom 2.
- the pressure valve 10 engages in the opening of the container bottom 2.
- the container bottom 2 is arched or dome-shaped and protrudes into the container interior in the positive z-direction. In this case, the vertex and the edge of the opening of the container bottom 2 projects in the direction of the interior of the container first
- a Be Heilllraum inlet 45 is arranged, via which the filling chamber 40 can be filled with a liquid and, if appropriate, a first overpressure can be applied.
- FIG. 2 shows a sectional view through the bottom region 1a of a container 1 with a detailed illustration of a pressure valve 10.
- the container bottom region 1a shows a lower region of the filling space 40, the pressure chamber 6 and the pressure valve 10.
- the container bottom 2 is connected to the container wall 7 via a fold connected.
- the pressure chamber floor 5 is connected to the container bottom 2. In recesses of the container bottom 2 and the pressure chamber floor 5 engages the pressure valve 10.
- the pressure valve 10 is configured so that from the pressure chamber 6 outwardly directed forces acting on the container bottom 2 and the pressure chamber bottom 6 are received by the pressure valve 10, at least partially.
- FIG. 3 shows a container bottom region la in section in the z direction, similar to the embodiment in FIG. 2, but without the pressure valve 10.
- the container bottom 2 has a recess 2a and the pressure chamber bottom 5 has a recess 5a.
- the recesses 2a, 5a are axial (z-direction) aligned along the axis A.
- the pressure valve 10 is typically in two parts designed.
- Such a two-part design of the pressure valve can be connected, for example, via a screw to a one-piece pressure valve 10, wherein a part of the pressure valve 10 has an external thread and another part of the pressure valve 10 has an internal thread that to the
- the pressure valve 10 can be, for example, by inserting a part of the pressure valve in one of the two recesses 2a, 5a, insert the second part of the pressure valve 10 in the remaining of the two recesses 2a, 5a and screw the two pressure valve parts in the pressure chamber 6 introduce. As a result, the recesses 2a, 5a sealed sealed and the pressure valve 10 is connected to the container bottom 2 and the pressure chamber floor 5.
- FIG. 4 shows an embodiment of a pressure valve 10 in section in the z-direction, which can be inserted on the bottom side into a container 1, as described above.
- the pressure valve 10 comprises a first pressure valve chamber 15 in which a pressure pv prevails.
- the first pressure valve chamber 15 is limited by a
- a pressure valve inlet 24 is arranged, via which the first pressure valve chamber 15 can be filled with a gas.
- the pressure valve inlet 24 is fluid-tight by a cover 25 lockable.
- the pressure valve comprises a second
- Pressure valve chamber 16 which is limited by the pressure valve body 11, the first piston 12 and a second piston 13.
- the second pressure valve chamber 16 is connected via a Beglallraum channel 22 with a fluid communicating space, which is outside of the pressure valve 10.
- the pressure valve 10 also includes a third
- Pressure valve chamber 17 which is limited by the second piston 13 and the
- Pressure valve body 11 About a first pressure chamber channel is the third
- Pressure valve chamber 17 fluidkommuniecuringd with a space outside the pressure valve
- the clamping element 19 is a spring.
- the clamping element 19 is a conical portion of the second piston 13 in a pressure in the valve body
- Pressure valve 10 the space that is outside the Be Schollraum channel 22, from the space that is outside of the first pressure chamber channel 20, fluid-tight manner separated.
- a projection 28a, 28b is arranged in each case.
- the projections 28 a, 28 b protrude radially (r-direction) beyond the radial extent of the pressure valve body 10.
- sealing elements 27a, 27b are arranged.
- the sealing elements 27a, 27b are correspondingly on the top of the container bottom 2 and on the underside of the pressure chamber bottom 5. This ensures better tightness.
- the seals 14a, 14b designed as O-rings, as well as the seals 14a, 14b can be realized as molded seals.
- Pressure relief valve 16 improves fluid-tightly separated from each other and cause a large part of the friction force in a movement of the first piston 12th
- Pressure valve chamber 15 prevails to the frictional force between the first piston 12 and the seals 14 a, 15 b and the pressure valve body 11 and the
- Pressure valve chamber 15 in conjunction with the surface of the first piston 12, at which the pressure pv is applied.
- a force acts in the positive z-direction, resulting from the pressure in the space outside the Be Stirllraum-channel 22, the axially acting on the conical portion of the second piston 13 abuts.
- a force acts on the first piston 12, which results from the pressure outside the Be Schollraum channel 22, the front side of the first piston 12 is applied.
- negative z-direction also acts a force resulting from the pressure outside the first pressure chamber channel 20 results, as far as the pressure is applied to the upper end side of the second piston 13.
- Threshold values Si and S 2 result from the geometric configuration of the pressure valve 10, especially from the surfaces on which the pressures shown act, and from the magnitude of the pressures and the clamping force of the tension element 19.
- the pressure valve 10 opens by a movement of the first and second pistons 12, 13 in the positive z-direction.
- the pressure valve 10 closes by a movement of the first and second pistons 12, 13 in the negative z direction. If the pressure valve 10 is arranged in a container 1, the pressure outside the filling space channel 22 can correspond to the pressure PB in the filling space 40 and the pressure outside the first pressure space channel 20 can correspond to the pressure PD in the pressure space 6.
- FIG. 4 also shows an insert 23 which can be inserted into the pressure valve body 11.
- the clamping element 23 and the second piston 13 can be introduced into the interior of the pressure valve 10 during the production of a pressure valve 10.
- the pressure valve body 11 may be divided into two (not shown in Figure 4), especially so that one of the two projections 28a, 28b on a part of the two-part
- Pressure valve body 11 is arranged and the other of the two projections 28 a, 28 b is arranged on the other part of the two-part pressure valve body 11.
- the two parts of the pressure valve body 11 may be connectable for example by a screw. In the connected state of the two parts results in a two-part pressure valve body 11th
- FIG. 5 shows a pressure valve 10a, which can be inserted in a container 1 on the bottom side.
- the difference to the pressure valve 10 of Figure 4 is that no gas was introduced through the pressure valve inlet 24 in the pressure valve 10 a, so that the first piston 12 is not coupled to the second piston 13.
- FIG. 6 shows a container hollow bottom 200.
- a pressure chamber 206 is formed in the container hollow bottom 200.
- a pressure PD 3 In the pressure chamber 206 there is a pressure PD 3 .
- the pressure space 206 is fluid tight to the environment closed by a first bottom 202, a second bottom 205 and a pressure valve 210 when the pressure valve 210 is closed.
- the pressure valve 210 When the pressure valve 210 is opened, the pressure valve 210 connects the pressure chamber 206 with the container hollow bottom 200
- the pressure chamber 206 may be an overpressure, which means that the pressure PD 3 in the pressure chamber 206 is greater than the pressure of the container hollow bottom 200 surrounding space or greater than the space that the upper portion (in the positive z-direction) of the pressure valve surrounds.
- an overpressure in the pressure chamber 206 a gas flows from the pressure chamber 206 in the vicinity of the container hollow bottom 200 when the pressure valve 210 is opened.
- the pressure valve 210 is disposed in a respective recess of the first bottom 202 and the second bottom 205. By such an arrangement of the pressure valve 210, the pressure valve 210 closes the recesses of the first bottom 202 and the second bottom 205. In this embodiment, the recesses of the first bottom 202 and the second bottom 205 are aligned in the z-direction.
- the pressure valve 210 has a (fully) circumferential projection 228a at the upper portion.
- the projection 228a is arranged so that the outer
- the material thickness of the first bottom 202 and / or the second bottom 205 can be made smaller than the material thickness of the bottoms 202, 205 without the same pressure difference between the pressure chamber 206 and the space or the spaces outside of the floors 202, 205 and the same stability Force absorption of the pressure valve 210.
- the protrusions 228a, 228b may each be configured with circumferential breaks.
- the pressure valve 210 may be on the inner surfaces of the floors 202, 205 (lying in the pressure chamber 206),
- the second (bottom) bottom 205 is substantially planar (less than 10% deviation from the flatness) and is disposed in a fluid-tight manner in a peripheral bead 204 of the first bottom 202.
- the second floor 205 may also be connected to the first floor 202 by crimping, welding or gluing. In other embodiments, the bottom floor 205 may not be planar.
- the first (upper) bottom 202 is (in sections) arched. In the negative direction r, from the peripheral bead 204, the first bottom 202 is formed in the form of a spherical shell segment or hollow spherical segment with a central recess.
- connection point At the edge region 203 of the first bottom 202 is a connection point or
- the edge region 203 of the first bottom 202 is configured in such a way that the container hollow bottom 200 can be connected to the rim via a border region 203 of the first bottom 202.
- FIG. 6 also shows an embodiment of a container hollow bottom, which can be designed by a modular system.
- a modular system includes a first bottom 202, a second bottom 205 and a pressure valve 210 as individual components. Through the individual components of the modular system, a container hollow bottom can be produced. Due to the modular design, for example, an improved transportability compared to already mounted container hollow floors can be achieved.
- Figures 7, 8 and 9 show various stages during the filling of a container.
- the container 301 in FIG. 7 is identical to the container 1 in FIG. 1, with the difference that the filling space 340 (filling space 40 in FIG. 1) is not filled with a liquid.
- the container 301 comprises a filling space 340, which is formed between a container bottom 302, a container wall 307 and a container top 308.
- the container top 308 comprises a filling chamber inlet 345 and the passage of an outlet conduit 330.
- the outlet conduit 330 comprises a valve 332 and leads inside the container Filling space 340 into the container bottom portion 301 a. In the filling space 340 there is a pressure pe 4 .
- the container 301 further comprises a pressure chamber 306, which is formed between the container bottom 302 and a pressure chamber bottom 305.
- the container bottom 302 and the pressure chamber bottom 305 each have a recess, to which a pressure valve 310 is arranged.
- Such a container 301 (FIG. 7) can be connected to a filler of a liquid,
- the filler fills a liquid via the Be Schollraumeinlass 345 in the filling space 340.
- the Be Schollraumeinlass 345 is closed.
- FIG. 8 shows a detailed representation of a container 301 filled with a liquid (filling space 340).
- the pressure valve 310 comprises a second pressure valve space 316, which is connected in a fluid-communicating manner via a filling space channel 322 to the filling space 340.
- the pressure valve 310 comprises a third pressure valve chamber 317, in which a clamping element 319 is arranged, which exerts a force on a second piston 313 in the negative z-direction.
- the third pressure valve chamber 317 is connected via a first pressure chamber channel 320 to the pressure chamber 306 fluidkommuniticiand.
- the second piston Due to the overpressure in the pressure chamber 306 and by the clamping force of the clamping element 319, the second piston is in the pressure valve 310, that the pressure valve 310 is present in the closed state. Accordingly, the second pressure valve chamber 316 is not connected in a fluid-communicating manner via the second pressure chamber channel 321 to the pressure chamber 306. Only the pressure pe 4 in the filling space 340 (sum of pressure and Pressure resulting from the liquid column) exerts a force on the second piston 313 in the positive z-direction, the forces acting in the negative z-direction on the second piston 312 being greater.
- the first piston 312 is located at the bottom of the pressure valve 310. In the negative z-direction act on the first piston 312, the weight of the first piston and a force resulting from the pressure in the second pressure valve chamber 316 in connection with its engagement surface on the first piston.
- a positive pressure pressure above atmospheric pressure
- a pressure valve inlet 324 a pressure valve inlet 324.
- a cover 325 is arranged on the pressure valve 310 in the region of the pressure valve inlet 324 via webs 326. The cover 325 serves to close the
- Pressure valve inlet 324 after the introduction of an overpressure by the
- a force (corresponding to the magnitude of the overpressure and the engagement surface) is exerted on the first piston 312, which is so great that the first piston 312 moves guided in the positive z-direction.
- the weight of the first piston 312, the force resulting from the pressure in the second pressure valve chamber, and frictional forces must be overcome.
- the first piston 312 moves in the positive z-direction until it rests against the second piston 313 or possibly further in the positive z-direction when passing through the
- Pressure valve inlet 324 introduced pressure is sufficiently high.
- a first pressure valve chamber 315 has been formed by the pressure introduction and this is below the first piston 312.
- the first piston 312 separates the second pressure valve chamber 316 from the first pressure valve chamber 315.
- the cover 325 closes the pressure valve inlet 324.
- the closing of the pressure valve inlet 324 may be accomplished by friction welding
- an ultrasonic lance is applied to the cover 325.
- the cover 325 is materially connected to the pressure valve 310, and the webs 326 can thereby with the pressure valve 310 or the connection region between the cover 326 and Pressure valve 310 (cohesively) are connected and need not be removed separately.
- first piston 312 and the second piston 313 are mechanically coupled.
- the force of the first piston 312 acting on the second piston 313 in the positive z-direction (as a result of forces acting in the negative and positive z directions) also acts accordingly.
- the force action in the negative z-direction is reduced the first piston 312 by reducing the pressure PB 4 in the filling 340, the first piston 312 and the second piston 313 can move in the positive z-direction, so that the filling chamber 340 is connected via the second pressure chamber channel 321 to the pressure chamber 306 fluidkommunizifugd.
- the pressure valve 310 is in the open state and a propellant gas can flow from the pressure chamber 306 into the filling space 340. This happens until the force influences on the first piston 312 and the second piston 313 change in such a way that the first piston 312 and the second piston 313 move in the negative z-direction until the connection between the filling chamber 340 and the pressure chamber 306 is interrupted is. Then the pressure valve 310 is closed.
- this can determine the type of gas introduced, for example air, carbon dioxide, nitrogen, nitrous oxide or mixtures of gases, and the pressure in the first pressure valve chamber 315th determine yourself.
- the gas introduced into the pressure valve 310 (first pressure valve chamber 315) via the pressure valve inlet 324 may correspond to the composition of the gas introduced in the pressure chamber 306 or with regard to the composition of the component or the component
- a pressure valve (pressure control valve) 410 is shown inserted into a container.
- the pressure valve 410 includes a pressure valve sleeve 444, a first pressure valve insert 450, a second pressure valve insert 460, and a third pressure valve insert 470.
- the pressure valve sleeve 444 is made of metal and is connected to a container bottom 402 and a pressure chamber bottom 405. The connection is made by the Pressure valve sleeve 444 engages through an opening in the container bottom 402 and a projection 442 a of the pressure valve sleeve 444 rests against the top of the container bottom 402.
- the connection of the pressure valve sleeve 444 to the pressure chamber bottom 405 is shown in Fig. 10 analogous thereto by abutment of a projection 442 b of the pressure valve sleeve 444 on an underside of the pressure chamber bottom 405.
- An alternative solution for the connection between pressure chamber bottom 405 and pressure valve sleeve 444 is shown in FIGS. 12a, 12b, 12c and explained in the associated description. Between the projections 442a, 442b of the pressure valve sleeve 444 and the container bottom 402 and the pressure chamber bottom 405 sealing elements 443a, 443b are arranged.
- the pressure valve is largely located in a pressure chamber 406, which is formed by the pressure chamber bottom 405 and the container bottom 402, as already shown above analogously.
- the pressure space 406 may have the properties disclosed above.
- the pressure PDS in the pressure chamber 406 is above the ambient pressure, especially at pressure values, as already described above for pressure chambers.
- a first pressure valve insert 450 is inserted in the pressure valve sleeve 444.
- the first pressure valve insert 450 is frictionally arranged in the pressure valve sleeve 444.
- the frictional connection is given by an excess of the first pressure valve insert 450 against the dimension of the pressure valve sleeve 444.
- the outer diameter of the pressure valve sleeve 444 may be less than 30 mm.
- the inner diameter of the pressure valve sleeve 444 is reduced by twice its wall thickness.
- Outer diameter of the first pressure valve insert 450 may be greater than the inner diameter of the pressure valve sleeve 444 by up to 0.5 mm, preferably between 0.1 mm and 0.3 mm.
- a plurality of sealing elements 451a, 451b, 451c effect the frictional connection with the
- Pressure valve sleeve 444 The sealing elements can be designed in an O-ring shape.
- the first pressure valve insert 450 comprises a first channel 422 (filling space channel) which connects a (second) space 416 located in the pressure valve 420 to a filling space 440 of the container.
- a pressure PBS which is lower than the pressure PDS in the pressure chamber 406.
- the first pressure valve insert 450 comprises a second channel 420 (pressure space channel), which opens into the pressure chamber 406 via a groove 454 in the first pressure valve insert 450 and an opening 441.
- the first pressure valve insert 450 has a projection 452 which engages over the projection 442a of the pressure valve sleeve and partially rests against the upper side of the container bottom 402.
- the first pressure valve body is preferably made of plastic, so that a possible corrosion effect of a liquid in the filling chamber 440 does not come into direct contact with the metallic pressure valve sleeve 444, which improves the resistance of the pressure valve 410.
- Pressure valve insert 470 arranged.
- the third pressure valve insert 470 is positively or positively connected to the first pressure valve insert 450.
- the third pressure valve insert 470 comprises an opening 477 which connects a (third) space 417 located in the third pressure valve insert 470 to the pressure space 406 via the second passage 416, so that the pressure in the third space 417 corresponds to (almost) the pressure pD5 in the pressure space 406.
- a clamping element 473 especially a spring, is fastened via a clamping element guide 474.
- Clamping element 473 is also connected to a sealing plate 475 of a poppet valve 475, 476 and presses the sealing plate 475 in a valve seat 476th
- a second pressure valve insert 460 is connected to the first pressure valve insert 450.
- the connection can be made non-positively or positively, with a screw or a weld, especially by
- Friction welding is preferred.
- the second pressure valve insert 460 comprises a membrane 461, which preferably consists of a flexible plastic. On the membrane 461, a contact element 462 is formed as a thickened region of the membrane 461.
- the second pressure valve insert 460 is preferably produced by a multi-component injection molding process.
- Clamping element 463 especially a spring arranged.
- the tensioning element 463 is disposed in a (first) space 415 located in the second pressure valve insert 460 and exerts a force between the diaphragm 461 and a closure element 480.
- the closure element 480 is loose in Fig. 10 or only slightly hold connected to the second pressure valve insert 460.
- the function of the closure element 480 can best be described by considering the different states, as shown in FIGS. 10 and 11.
- the closing element 480 is not firmly connected to the clamping element 462. It comprises a projection 481 and a channel 482. The closing element 480 is designed so that it can be inserted into the second pressure valve insert 460.
- the second pressure valve insert 460 comprises a groove 464 and a contact surface 465.
- the groove 464 is configured corresponding to the projection 481 of the closure element 480.
- the distance between the abutment surface 465 and the groove 464 is not smaller than the distance between the protrusion 481 and the top (in the positive z direction) of the closure member 480.
- the closing element 480 can be introduced, for example by means of a closing device 490 in a (fourth) space 418 in the pressure valve sleeve 444 and pushed by applying a force F in the positive z-direction in the second pressure valve insert 460 until the The projection 481 of the closure element 480 engages in the groove 464 of the second pressure valve insert 460 and, if appropriate, the upper side (in the positive z direction) of the closure element 480 on the abutment surface 465 of the second
- Pressure valve insert 460 is applied.
- the clamping element 463 can be tensioned, as a result of which a force is exerted on the diaphragm 461 and the diaphragm 461 moves in the positive z direction until it rests against a section of the sealing plate 475, for example through the abutment element 462.
- the pressure valve 410 is activated and there is an equilibrium of forces between the pressure PB5 in the filling 440, the pressure PDS in the pressure chamber 406 and the clamping elements 463, 473rd
- an overpressure in the space 415 which may occur due to a compression of the volume in the space 415, escape through the channel 482 into the surrounding environment.
- the pressure in the room 415 corresponds due to the opening from the environment (almost) the ambient pressure.
- the opening of the space 415 with respect to the environment is further advantageous to ambient pressure fluctuations, for example, by different altitudes of places; to balance and thus minimize the influence of ambient pressure fluctuations on the control behavior.
- the pressure PDS in the pressure chamber acts on the contact surface of the sealing plate 475 in the negative z-direction.
- one of the clamping element 473 acts on the
- the pressure PBS acts in the filling chamber 440 on the attack surface of the diaphragm 461 in the negative z-direction, the diaphragm 461 with the sealing plate
- a small or negligible force also results from the pressure PBS in the filling space 440 in the positive z-direction, acting on the sealing plate 475 due to the small or negligible attack surface of the pressure PBS on the sealing plate 475.
- the clamping element 463 exerts a force in the positive z-direction on the membrane 461, which is forwarded to the sealing plate 475 because of the coupling between the membrane 461 and the sealing plate 475.
- a volume is taken from the filling space 440, for example a beer tap by a consumer, the pressure PBS in the filling space 440 drops, as a result of which the corresponding force influences on the balance of force described change.
- Be hypoxia Be hypoxia 440 is connected to another threshold value of the pressure PBS in
- Filling 440 is exceeded and the sealing plate 475 moves back into the valve seat 476, whereby a fluid communication between the filling chamber 440 and the pressure chamber 406 is not given (until the balance of forces is in turn changed accordingly).
- a gas in particular a propellant gas, flows from the pressure chamber 406 into the filling chamber 440.
- the clamping force of the clamping element 463 can provide different control pressures.
- FIGS. 12a, 12b, 12c a possibility for connecting a pressure valve sleeve 444 to a container bottom 402 and a pressure chamber bottom 405 is shown.
- Container bottom 405 welded, which is represented by the two arrows facing each other.
- the pressure valve sleeve 444 may through an opening in the container bottom 402 and are guided or plugged through an opening in the pressure chamber bottom 405, so that a projection 442 a of the pressure valve sleeve 444 at the top of
- the opposite end of the pressure valve sleeve 444 protrudes from the opening in the pressure chamber bottom 406 and abuts a projection 405 b of the pressure chamber bottom 405.
- the connection of the pressure valve sleeve 444 to the pressure space bottom 405 can be made via a double seam, which can be seen in the enlarged illustrations of the relevant section of FIGS. 12b and 12c (the enlarged area is shown by the circle in broken line in FIG. 10).
- a (slight) bias is applied by the pressure chamber bottom 405 is pressed in the direction of the container bottom 402. This is shown in Fig. 12a by a changed position of the pressure space bottom 405 and the projection 405b relative to the container bottom 402 as the position of the pressure space bottom 405 'and the projection 405b'.
- a bias voltage can improve the tightness of the connections.
- a sealing element 443b is arranged between the pressure valve sleeve 444 and the pressure chamber bottom.
- a portion of the pressure valve sleeve 444 protruding beyond the projection 405b 'of the pressure space bottom 405' in the negative z-direction is bent over the projection 405b 'in the positive r-direction so that a projection 442b of the pressure valve sleeve 444 is formed. Subsequently, the bent-over projection 442b is further bent around the projection 405b ', so that the end of the projection 443b in the z-direction
- Hollow tray can be used, even if they are covered by methods.
- the disclosed inflation chambers and pressure chambers may be used in any of the disclosed containers, container trays, or modular systems for producing a container bottom, even if encompassed by methods.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Devices For Dispensing Beverages (AREA)
- Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16185057 | 2016-08-20 | ||
EP16190516.1A EP3284713A1 (de) | 2016-08-20 | 2016-09-26 | Fass mit druckventil zum aufbewahren von bier und regelverfahren fuer den druck im fass |
EP17152529 | 2017-01-20 | ||
PCT/IB2017/055046 WO2018037334A1 (de) | 2016-08-20 | 2017-08-21 | Fass mit druckventil zum aufbewahren von bier, dessen verwendung, verfahren zum regeln des drucks im fass, fasshohlboden, modulares system zum herstellen eines fasshohlbodens und verfahren zum befuellen eines fasses |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3500517A1 true EP3500517A1 (de) | 2019-06-26 |
Family
ID=61245542
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17772762.5A Active EP3500516B1 (de) | 2016-08-20 | 2017-08-21 | Fass mit druckventil zum aufbewahren von bier, dessen verwendung, verfahren zum regeln des drucks im fass, fasshohlboden, modulares system zum herstellen eines fasshohlbodens und verfahren zum befuellen eines fasses |
EP17777079.9A Withdrawn EP3500517A1 (de) | 2016-08-20 | 2017-08-21 | Fass mit druckventil zum aufbewahren von bier, dessen verwendung, verfahren zum regeln des drucks im fass, fasshohlboden, modulares system zum herstellen eines fasshohlbodens und verfahren zum befüllen eines fasses |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17772762.5A Active EP3500516B1 (de) | 2016-08-20 | 2017-08-21 | Fass mit druckventil zum aufbewahren von bier, dessen verwendung, verfahren zum regeln des drucks im fass, fasshohlboden, modulares system zum herstellen eines fasshohlbodens und verfahren zum befuellen eines fasses |
Country Status (8)
Country | Link |
---|---|
US (1) | US11597643B2 (de) |
EP (2) | EP3500516B1 (de) |
CN (1) | CN109890747B (de) |
AU (1) | AU2017316746B2 (de) |
BR (1) | BR112019003230A2 (de) |
CA (1) | CA3034506A1 (de) |
ES (1) | ES2868678T3 (de) |
WO (2) | WO2018037332A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109052301A (zh) * | 2018-08-18 | 2018-12-21 | 林文茂 | 饮料售卖机 |
CN112340252A (zh) * | 2020-11-18 | 2021-02-09 | 秦刚垒 | 一种全自动多用途节料装置 |
Citations (3)
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US2345081A (en) * | 1940-07-29 | 1944-03-28 | Knapp Monarch Co | Siphon construction |
US3024800A (en) * | 1958-08-08 | 1962-03-13 | Alumasc Ltd | Casks and valve means therefor |
DE69900940T2 (de) * | 1998-03-16 | 2002-08-14 | Heineken Technical Services B.V., Amsterdam | Abgabevorrichtung für unter druck stehende flüssigkeiten |
Family Cites Families (20)
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US3127059A (en) * | 1964-03-31 | figure | ||
US2112637A (en) * | 1933-10-30 | 1938-03-29 | Jean Karp | Beverage cooling and dispensing apparatus |
US2630942A (en) | 1948-03-24 | 1953-03-10 | John E Shaffer | Home rechargeable liquid wax insecticide and fire-fighting bomb |
US3055553A (en) | 1959-10-29 | 1962-09-25 | Specialties Dev Corp | Fuel cartridge assembly for airborne power units |
US3211350A (en) * | 1961-02-13 | 1965-10-12 | Brown Albert William | Pressure regulating valve and dispenser for carbonated beverages |
US3228559A (en) * | 1963-09-17 | 1966-01-11 | Dole Valve Co | Pressurized beverage dispenser development |
US3347417A (en) * | 1965-08-23 | 1967-10-17 | Reynolds Metals Co | Charged liquid dispenser with pocketed gas container |
US3352456A (en) * | 1966-01-03 | 1967-11-14 | Goss Gas Inc | Combined pressure regulating and cartridge piercing assembly |
GB1390937A (en) * | 1971-04-23 | 1975-04-16 | Unilever Ltd | Pressurised aerosol dispensing device |
US4095624A (en) * | 1975-11-26 | 1978-06-20 | Davis Elisha C | Pressure tank |
ATE32208T1 (de) * | 1982-12-27 | 1988-02-15 | Cornelius Co | Vorrichtung zum ausschenken von fluessigkeiten. |
DE68901817T2 (de) * | 1988-06-29 | 1993-01-07 | Jaico Cv | Druckkapsel fuer spritzbehaelter, und spritzbehaelter, welcher eine solche kapsel anwendet. |
DE202005017072U1 (de) | 2005-10-28 | 2006-12-07 | SCHäFER WERKE GMBH | Getränkeschankanlage zum Zapfen mit Druckgas aus einem Getränkebehälter |
NL1031412C2 (nl) * | 2006-03-20 | 2007-09-21 | Heineken Supply Chain Bv | Container voor drank. |
CN200977495Y (zh) * | 2006-11-13 | 2007-11-21 | 陈洪滨 | 贮压式家用喷雾灭病毒器 |
NL1035233C2 (nl) | 2008-03-31 | 2009-10-01 | Heineken Supply Chain Bv | Drukregelaar en tapinrichting voorzien daarvan. |
EP2419369A1 (de) * | 2009-04-15 | 2012-02-22 | Carlsberg Breweries A/S | Verfahren und system zur druckbeaufschlagung und abgabe von kohlensäurehaltigen getränken |
US9056689B2 (en) * | 2010-06-17 | 2015-06-16 | Carlsberg Breweries A/S | Method for adsorbing propellent gas for a beer dispensing system |
US9790019B2 (en) * | 2013-07-17 | 2017-10-17 | Airopack Technology Group B.V. | Foam dispenser |
NL2012981B1 (en) * | 2014-06-11 | 2017-01-17 | Heineken Supply Chain Bv | Beverage dispensing system, beverage container and pressurizing system for use in a beverage dispensing system or container. |
-
2017
- 2017-08-21 AU AU2017316746A patent/AU2017316746B2/en not_active Ceased
- 2017-08-21 BR BR112019003230A patent/BR112019003230A2/pt active Search and Examination
- 2017-08-21 EP EP17772762.5A patent/EP3500516B1/de active Active
- 2017-08-21 WO PCT/IB2017/055044 patent/WO2018037332A2/de active Search and Examination
- 2017-08-21 CA CA3034506A patent/CA3034506A1/en active Pending
- 2017-08-21 EP EP17777079.9A patent/EP3500517A1/de not_active Withdrawn
- 2017-08-21 WO PCT/IB2017/055046 patent/WO2018037334A1/de unknown
- 2017-08-21 ES ES17772762T patent/ES2868678T3/es active Active
- 2017-08-21 US US16/326,631 patent/US11597643B2/en active Active
- 2017-08-21 CN CN201780064776.1A patent/CN109890747B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2345081A (en) * | 1940-07-29 | 1944-03-28 | Knapp Monarch Co | Siphon construction |
US3024800A (en) * | 1958-08-08 | 1962-03-13 | Alumasc Ltd | Casks and valve means therefor |
DE69900940T2 (de) * | 1998-03-16 | 2002-08-14 | Heineken Technical Services B.V., Amsterdam | Abgabevorrichtung für unter druck stehende flüssigkeiten |
Non-Patent Citations (1)
Title |
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See also references of WO2018037334A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2018037332A2 (de) | 2018-03-01 |
CN109890747B (zh) | 2022-04-08 |
AU2017316746B2 (en) | 2022-02-10 |
EP3500516A2 (de) | 2019-06-26 |
US20210206618A1 (en) | 2021-07-08 |
US11597643B2 (en) | 2023-03-07 |
AU2017316746A1 (en) | 2019-04-11 |
BR112019003230A2 (pt) | 2019-06-18 |
CN109890747A (zh) | 2019-06-14 |
WO2018037334A1 (de) | 2018-03-01 |
ES2868678T3 (es) | 2021-10-21 |
EP3500516B1 (de) | 2021-01-27 |
WO2018037332A3 (de) | 2018-05-03 |
CA3034506A1 (en) | 2018-03-01 |
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