Classifications

• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
  • A47J31/00—Apparatus for making beverages
  • A47J31/44—Parts or details or accessories of beverage-making apparatus
  • A47J31/4485—Nozzles dispensing heated and foamed milk, i.e. milk is sucked from a milk container, heated and foamed inside the device, and subsequently dispensed from the nozzle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
  • B01F23/20—Mixing gases with liquids
  • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
  • B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
  • B01F25/25—Mixing by jets impinging against collision plates
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/30—Injector mixers
  • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
  • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/30—Injector mixers
  • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
  • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
  • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
  • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/40—Static mixers
  • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
• • 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
  • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
  • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
  • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
  • B65D85/8043—Packages adapted to allow liquid to pass through the contents
  • B65D85/8055—Means for influencing the liquid flow inside the package

Definitions

• the present invention relates to a process for producing an at least partially frothed foodstuff, in particular at least partially frothed milk, an arrangement for producing an at least partially frothed food, a capsule-like container for producing a frothed foodstuff, and finally a coffee machine with an arrangement.
• Coffee powder is packed in capsules or bags in a coffee machine, the capsule is at least partially destroyed and dissolved the powder by means of hot water for dispensing the coffee in the desired form or preparation.
• milk is needed, for example, for a cappuccino or milk coffee, it is heated, for example, by means of hot steam and foamed or, if appropriate, further mechanically processed for frothing.
• hot steam for example, EP 0 575 762, EP 1 688 075, WO01 / 88187, WO2005 / 074770, US Pat. Nos. 4,735,133, 5,611,262, 5,473,972, 6,289,796 and DE4035270 disclose the production of a frothy milk proposed using hot steam.
• EP 0 919 776 proposes to add cold milk along with a flow of air through a nozzle swirl to produce a milk foam. For heating, in turn, the use of additional hot steam is proposed.
• EP 1 532 909 proposes a device for producing milk froth or milk froth beverages, wherein the milk is driven from a kind of compressible bladder in the manner of an accordion through a rotationally adjustable resistance passage disc having resistance passage elements.
• the compressible bellows is formed in two parts, comprising an air chamber and a chamber containing milk.
• the rotationally adjustable resistance passage disc together with the resistance passage elements, which is intended due to the complexity as a reusable part to be cleaned, is part of a coffee machine, in which the compressible capsules are inserted.
• the invention is achieved by means of a method according to the wording of claim 1.
• the liquid food which is at least partially froth
• a container such as a capsule or a bag
• the liquid food possibly still heated in the container without supply of hot steam into the container and then by generating a pressure is expelled from the container.
• the food expelled from the container is introduced into a device in which at least partially a turbulent flow is created to foam the liquid food.
• the food is dispensed from the container or device in the desired form for further use, such as to produce a cappuccino.
• the expulsion of the liquid from the container can be done on the one hand by compressed air by compressed air is forced into the interior through an opening in the container, or by the container is compressed or a wall is moved towards the inside.
• compressed air by compressed air is forced into the interior through an opening in the container, or by the container is compressed or a wall is moved towards the inside.
• a nozzle-like opening due to the compressed air can be opened automatically, the opening can be done by removing a slide, a membrane, etc., or the opening is done by bursting or Micronking either the opening along a predetermined breaking point or a membrane.
• the expelled liquid which has been heated in the case of a milk for producing a cappuccino in advance, for example, by means of microwave, infrared, by supplying hot steam to the container, etc., is input to a suitable device, such as injected, such as a funnel , a vertebral body, a tube-like device, etc., to generate turbulent flow therein for foaming.
• a suitable device such as injected, such as a funnel , a vertebral body, a tube-like device, etc.
• the foamy liquid such as the milk froth
• a dispensing opening such as a nozzle
• an arrangement for producing an at least partially frothed food, such as, in particular, frothed milk.
• the arrangement has at least one container which is provided for the presentation of the liquid to be foamed.
• the container may be such that either through from outside supplied compressed air, the liquid can be expelled, or the walls are such that they are compressed or inwardly displaceable.
• the arrangement has a preferably connected to the container device into which the liquid from the container can be injected or entered, and in which a turbulent flow of the liquid can be generated or the liquid can be vortex mixed with air.
• the device may be funnel-like, may have any flow orifice, direction reversal orifices, restrictions in the flow of the liquid, an air supply from the outside, etc., it is essential that the liquid is foamed by appropriate measures.
• the container integrally with the device for forming a one-piece capsule.
• the assembly may further comprise a heating unit such as a microwave, an infrared aggregate, a hot steam generator, etc. to heat the liquid in the container prior to expulsion into the apparatus.
• a heating unit such as a microwave, an infrared aggregate, a hot steam generator, etc. to heat the liquid in the container prior to expulsion into the apparatus.
• hot steam it is advantageous if it does not come into contact with the liquid food.
• the container or the device has an outlet opening or an outlet nozzle, through which the foamed food, such as, for example, the frothed milk, can be expelled.
• the foamed food such as, for example, the frothed milk
• a coffee machine comprising a receptacle into which the inventive arrangement or the above-mentioned capsule can be entered, and which has corresponding means to heat, for example, the milk to produce steam or compressed air, or to mechanically compress the container , Etc.
• the advantage of a coffee machine proposed in this way according to the invention is that the arrangement or the capsule for producing the milk foam can be quasi autonomously entered into the coffee machine and removed again after the milk foam has been produced, for example the coffee powder capsules or coffee capsules known today bag.
• the inventive arrangement can be disposed of as disposable, such as composted, if the individual components are made of biodegradable materials.
• FIG. 1 shows schematically in cross section an inventive arrangement for producing a milk foam
• Fig. 2 schematically based on individual parts of a
• Fig. 3 shows schematically in perspective a device for
• Fig. 4 is a horizontal section through the
• Fig. 5a, b shows a possible embodiment of a
• FIG. 6 shows in perspective a further embodiment of a container according to the invention
• FIG. 7a, b in turn, a further embodiment of a container according to the invention or a capsule
• Fig. 8 shows schematically a further embodiment of an inventive arrangement for producing a foam, such as a milk foam
• Fig. 9 shows a concrete embodiment of an apparatus for producing milk foam.
• Figure 1 shows schematically and in cross section an inventive arrangement for producing an at least partially foamy food, such as in particular foamed milk.
• a capsule-like container 1 for example having an upper edge 23 for holding the container in a corresponding housing receptacle 21, for example a coffee machine, contains the liquid food 3 to be foamed, such as milk.
• the bottom closing wall 5 may be straight or, for example, slightly funnel-shaped with a front still closed opening 7, which may be, for example, not centrally, but laterally offset and directed obliquely downwards.
• a funnel-like device 9 is provided, which is either integrally fixedly connected to the container 1 or in turn, for example, by means of lateral projections in the receptacle 21 is held.
• This device 9 may also have a funnel-like wall 8, opening into a downwardly directed opening 13, which may be formed, for example, nozzle-like.
• a funnel-like wall 8 opening into a downwardly directed opening 13, which may be formed, for example, nozzle-like.
• flow restrictors 11 may be provided, the operation of which will be discussed below.
• a console 17 which belongs to a coffee maker, which has the receptacle 21 for the container 1.
• a coffee cup 15 can be arranged, in which already the hot coffee is present.
• a piston-like device 25 may be provided, comprising a pressure line 26 which is provided for the depression of the ceiling of the container 1 by means of, for example, pressure.
• the generation of the milk foam for example by means of a switch or push button is triggered.
• the milk 3 is heated in the container 1, which can be done for example by means of microwave, infrared or other suitable heating unit.
• the heating can also be done by means of steam, which flows around the container.
• the piston 25 is actuated, which presses in the upper wall of the container 1 and thus generates a certain pressure in the container 1.
• a fine membrane is pressed away at the dispensing nozzle 7, or the opening can be done automatically in any other suitable manner.
• the hot milk jet is injected into the funnel-shaped device 9, in which a certain turbulence of the milk is generated, for example as a result of the deflector 11.
• the spiral, foam-producing liquid flow in the funnel-shaped device 9 finally reaches the opening 13, through which the foamed milk in the below cup 15 is issued.
• the pressure build-up can also take place instead of a piston, for example by means of a pressure nozzle piercing the top cover of the container 1.
• the container 1 with the device 9 automatically ejected into a dedicated chamber, or can be manually removed. It goes without saying that no parts of the coffee machine, including the receptacle 21, have come in any way in contact with milk. Thus, there is no contamination and the coffee maker must not be cleaned after use.
• FIG. 2 shows a possible embodiment variant of a container according to the invention, comprising a closure adhesive 31, which closes the opening 7 and is arranged on the container 1.
• the sealing adhesive can for example be arranged so that it on the one hand has predetermined breaking points 32 and is connected along a lateral line 33 fixed to the container bottom, so that even when pushing away the adhesive this can not get into the funnel-like device 9.
• the cup-like funnel 9 may either be a separate component connectable to the container 1, or it may be integrally connected to the container 1 to form a one-piece capsule.
• FIG 3 shows a possible embodiment of a funnel-like device 9, comprising a collar-like funnel-like wall 8 and a Ablenkblende 11, against which the hot liquid milk can be injected through the nozzle 7. Due to the relatively high speed of the rotating milk is correspondingly through the opening 13th Air sucked from below, creating a certain turbulence of the milk and thus as a product milk foam. This is finally also issued through the opening 13 down. So that the device is optionally held in the correct position in the receptacle 21 together with the container, it is possible to provide, for example, so-called positioning aids 24.
• FIG. 4 shows a horizontal section through a milk frothing unit similar to that shown in FIG. 3.
• the milk is injected in a sharp jet in the direction of arrow 10 with a tangential component into the annular chamber 12 of the device 8.
• the result is a rotating milk layer, wherein the milk undergoes a first foaming due to the violent turbulence of the incoming jet.
• the rotation in the direction of arrow 12 'around the center of rotation 16 of the device 9 having, for example, a funnel-like wall 8.
• This type of foaming creates an initially quite large-pored and unstable foam is smashed in further passes through the milk jet and so creates the desired fine-pored stable foam 14. The necessary air is sucked through the outlet opening 13.
• FIGS. 5a and 5b show a further possible embodiment variant of a container according to the invention, for example in the form of a bellows.
• Figure 5a shows the container 1 ', placed on the funnel-shaped device 9 in the starting position, containing the liquid, such as milk.
• the bellows-like container is compressed and designated by the reference numeral 1 ".
• this bellows-like design of the container it can easily be compressed by application of pressure or by means of a piston-like instrument.
• FIG. 6 again shows in perspective a further embodiment of an inventive cup-shaped container 1, mounted on a funnel-shaped device 9.
• the funnel-like device 9 an upper retaining ring 28, which is provided around the cup 1 in a corresponding receptacle 21, for example in a Coffee maker to arrange in the correct position.
• compressed air D By applying compressed air D, in turn, the milk from the cup 1 can be driven into the funnel-shaped device 9, where the foam is generated. Finally, the milk foam passes through the opening 13, for example, to be dispensed into a coffee cup.
• FIGS. 7a and 7b again show a further embodiment variant of a cup 1 according to the invention, having an upper wall 29 formed as a piston, for example, which can be pressed along the wall by applying a corresponding tool.
• the cup 1 is cartridge-shaped, and, as in the preceding examples, may be directly integrally connected to the funnel-shaped device 9 to form a one-piece capsule 20 in which the turbulence of the expelled milk can take place.
• a piston-like upper wall can also a fixedly arranged membrane-like wall may be provided, which can be punctured by means of a nozzle or pin-like device, for example, in a region 30 (shown in dashed lines) in order to build up the pressure in the inner 2 of the upper container region.
• FIG 8 shows schematically in section a different embodiment of the inventive arrangement in that here the cup is not placed on a funnel-shaped assembly 9, but connected to a Venturubehrartig formed foam-forming body 9 and placed on this.
• a channel-shaped passage 10 is provided with a tapered cross section, in which a lateral air pipe 35 opens, for introducing air, steam or compressed air.
• a lateral air pipe 35 opens, for introducing air, steam or compressed air.
• FIG. 9 shows a device 41 for producing a frothy milk, for example a cappuccino, a coffee latte macchiato, etc.
• a milk-containing capsule 20 is introduced, whereupon a lid 23 is folded down onto the upper opening of the capsule 20 ,
• the milk in the capsule 20 is first of all heated by means of a switch 45 and subsequently, for example, by means of a displaceable piston or by generating pressure or by introducing compressed air into the capsule, the milk is expelled from the container region into the flow region.
• the expulsion is analogous to the descriptions as given with reference to Figures 1 and following, wherein the responsible for producing the milk foam device or the funnel-like cup is integrally connected to the container area for forming the capsule.
• the now generated foam is injected into the container 15 as a cup or a cup containing a coffee to produce the corresponding desired coffee.
• a corresponding capsule 20 can be selected from a stand 4, which capsule 20 is initially closed by a corresponding cover 2.
• the closure 2 may either be removed prior to entering the device 41, or may not be removed for the production of the milk foam.
• the container or the capsule 20 (container 1 + funnel-shaped device 9 integrally connected to each other) is a disposable container, which has to be as inexpensive as possible.
• the container or the capsule should, if possible, be producible in a cost-effective production method, for example by means of deep drawing.
• the container or the capsule can either be made of a polymer material, or of aluminum or other suitable material which can be recycled after use.
• FIGS. 1 to 9 are only design variants for explaining the present invention. In no way the invention is limited to the embodiments and of course any other type of containers for the presentation of the milk can be selected, as well as other embodiments for the production of the milk foam.
• the present invention is by no means limited to the production of a milk foam, but the proposed method according to the invention as well as devices can generally be used for producing a foam from a liquid food.

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Dispersion Chemistry (AREA)
• Mechanical Engineering (AREA)
• Food Science & Technology (AREA)
• Apparatus For Making Beverages (AREA)
• Tea And Coffee (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Food-Manufacturing Devices (AREA)
• Jellies, Jams, And Syrups (AREA)
• Dairy Products (AREA)

Priority Applications (3)

Applications Claiming Priority (4)

Publications (2)

Family

ID=39364875

Family Applications (1)

Country Status (4)

Cited By (6)

Families Citing this family (17)

Family Cites Families (20)

• 2007
  • 2007-11-01 JP JP2009535686A patent/JP2010508927A/ja active Pending
  • 2007-11-01 US US12/446,863 patent/US8367133B2/en not_active Expired - Fee Related
  • 2007-11-01 EP EP07822146A patent/EP2086667B1/de not_active Not-in-force
  • 2007-11-01 WO PCT/EP2007/061802 patent/WO2008055845A2/de not_active Ceased

Non-Patent Citations (1)

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