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WO2008006623A2 - Dispositif pour acheminer du lait - Google Patents

Dispositif pour acheminer du lait Download PDF

Info

Publication number
WO2008006623A2
WO2008006623A2 PCT/EP2007/006299 EP2007006299W WO2008006623A2 WO 2008006623 A2 WO2008006623 A2 WO 2008006623A2 EP 2007006299 W EP2007006299 W EP 2007006299W WO 2008006623 A2 WO2008006623 A2 WO 2008006623A2
Authority
WO
WIPO (PCT)
Prior art keywords
supply line
hot water
inlet end
milk
cleaning
Prior art date
Application number
PCT/EP2007/006299
Other languages
German (de)
English (en)
Other versions
WO2008006623A3 (fr
Inventor
Peter Blockwoldt
Armin Startz
Original Assignee
Wmf Württembergische Metallwarenfabrik Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from EP06014893.9A external-priority patent/EP1797801B1/fr
Application filed by Wmf Württembergische Metallwarenfabrik Ag filed Critical Wmf Württembergische Metallwarenfabrik Ag
Priority to US12/307,760 priority Critical patent/US8739688B2/en
Priority to JP2009518803A priority patent/JP5066183B2/ja
Publication of WO2008006623A2 publication Critical patent/WO2008006623A2/fr
Publication of WO2008006623A3 publication Critical patent/WO2008006623A3/fr

Links

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
    • A47J31/60—Cleaning devices
    • 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
    • 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
    • B67D1/07—Cleaning beverage-dispensing apparatus

Definitions

  • the invention relates to a device for supplying milk of the type explained in the preamble of claim 1.
  • Such a device is known from EP 344 859.
  • the known direction serves for dispensing heated milk and also contains a foaming device, with which the milk can be additionally foamed.
  • Foaming devices for milk are known in a variety of active principles; in the described device, milk is sucked out of a storage container, for example by utilizing the Venturi principle. This is done via a supply line in the form of a tube whose outlet end is connected to the frothing device and whose inlet end is simply plugged into a reservoir for milk.
  • a problem with all devices that handle milk is the cleaning. Milk spoils quickly and therefore the parts in contact with milk should be cleaned as often as possible and as thoroughly as possible.
  • the invention is therefore the object of developing a device of the type mentioned so that the cleaning is facilitated.
  • the object is achieved in a device by the features of claim 1, in a method by the features of claim 6 and in a coffee machine by the features of claim 9.
  • the inventive design a very effective cleaning system for the milk-bearing supply line is created.
  • hot water and / or steam which are present anyway for conveying or heating the milk
  • an effective cleaning of the feed line can be made possible.
  • only a hot water and / or steam outlet must be provided if it is not present anyway (which is the case with most coffee machines), and the user only has to remove and remove the inlet end of the supply line from and to the milk storage container connect the outlet to perform a cleaning process.
  • the outlet is preferably arranged in the region of the storage container.
  • connection device may include a specially adapted coupling piece.
  • the supply line can be mounted either in or on the reservoir.
  • a particularly preferred and easy-to-clean design is that the supply line to the reservoir, and that is attached to a fixed integrated into the reservoir suction. In this way, the intake manifold can be cleaned together with the reservoir in a simple manner, for example in a dishwasher, while an internal cleaning of the supply hose takes place in the manner according to the invention.
  • Fig. 3 shows a third principle of the invention in a schematic representation
  • Fig. 4 shows a coffee machine according to the invention in a schematic representation.
  • the device 1 shows a first embodiment of a device 1 according to the invention for feeding milk from a storage container 2 to an output device 3.
  • the device 1 shown only as a schematic diagram can be part of any device that handles milk in the manner described.
  • the device 1 is designed as a device for preparing and dispensing heated milk froth and contains for this purpose a foaming device 4, which may be formed in a known manner, for example, the frothing device according to DE 44 45 436 may contain.
  • the mode of action and the structural design of foaming devices are known and need not be explained again.
  • the frothing device 4 is connected via a supply line 5 to the reservoir 2 for the milk in combination.
  • the supply line 5 is detachably attached with its inlet end 5a in or on the storage container 2, in the illustrated embodiment simply inserted into the storage container 2.
  • the outlet end 5b of the supply line 5 is fixed to the frothing device 4, but may also be detachably arranged there to allow disassembly for basic cleaning.
  • the supply line 5 is preferably flexible, and in particular a flexible hose made of plastic or rubber.
  • the foaming device 4 is supplied in the illustrated embodiment via a line 6 air, which is either sucked by the Venturi principle or provided as compressed air, for example via a compressed air source 7, such as a compressed air cartridge or a pump or the like.
  • the frothing device 4 is supplied with steam for heating the milk via a further line 8.
  • the line 8 is connected to a suitable steam generator 9.
  • the steam generator 9 is of conventional design and may be formed, for example, as a water heater. Preferably, however, a combined hot water and steam generator is used, which supplies 4 hot water for a hot water outlet 10 in addition to the steam for the AufM ⁇ gifted.
  • the hot water outlet 10, through which also vapor portions can be discharged, is accessible to the user and arranged so that it lies in the region of the inlet end 5a of the supply line 5 when the supply line 5 is connected to the frothing device 4.
  • the hot water outlet 10 should be located at a distance from the outlet end 5b of the supply line 5, which is equal to or smaller than the total length of the supply line 5 between the inlet and outlet ends 5a, 5b.
  • the hot water outlet 10 is arranged in the region of the reservoir 2 for the milk.
  • connection device 11 includes a coupling piece 12 which is fixed to the hot water outlet 10.
  • connection device 11 can also by corresponding fittings on the outlet 10 and at the inlet end 5a or by a coupling piece alone on Inlet end 5a are formed.
  • the attachment means may be of any suitable construction, such as a latching connection, plug connection or bayonet connection, which is capable of providing an easily detachable connection between the supply conduit 5 and the outlet 10, but which nevertheless satisfies the mechanical stresses imposed by the outflow or pressure Hot water withstands.
  • the connector 11 merely by dimensionally fitting the outer and inner dimensions of the outlet 10 and the inlet end 5a, respectively, so that the inlet end 5a and the outlet 10 can be easily mated. This is particularly useful when the inlet end 5a has a certain material elasticity, as is the case for example with a hose made of rubber or plastic.
  • the outlet 10 with the inlet end connector 5a of the supply line 5 forms a cleaning device for the supply line 5.
  • the device 1 is operated as usual for preparing and dispensing milk froth, for heating and dispensing heated milk or for dispensing cold milk, with air and steam being added to the frothing device 4 for frothing milk, milk there from the storage container 2 suck in via the feed line 5 and output the finished milk froth from the dispenser 3. If the milk is merely heated, only steam enters the frothing device 4, sucks in milk from the storage container 2 and dispenses heated milk from the dispensing device 3. If milk is only to be dispensed, only air enters the frothing device 4 and sucks in milk from the storage container 2 and dispenses the cold milk from the dispenser 3.
  • the cleaning of the frothing device 4 can be carried out in the usual way by a jet of steam.
  • the inlet end 5a of the feed line 5 is released from its connection to the storage container 2, ie pulled out of the storage container 2 in the illustrated embodiment, and connected to the hot water outlet 10, while the outlet end 5b of the feed line 5 the output device 3 and the foaming device 4 remains connected.
  • a hot water surge from the outlet 10 into the supply line 5 passed. This hot water surge flushes through the supply line 5 and at the same time also cleans the parts of the foaming device 4 and the outlet device 3 contaminated by the milk, and then exits the outlet device 3.
  • FIG. 2 shows a device 1 'according to the invention, which differs from the device 1 according to FIG. 1 only by the details described below, wherein identical or comparable components are identified by the same reference numerals and are not explained again.
  • the device 1 1 differs from the device 1 only in that is the introduction of the milk from the reservoir 2 into the outlet 3 and the frothing device 4 is performed by a pump 13 and supported.
  • the pump 13 is disposed in the supply line 5 between the inlet end 5a in the reservoir 2 and the outlet end 5b on the foaming device 4.
  • the operation of the device 1 ' and the cleaning process corresponds to the method as already explained with reference to FIG. Only the expulsion of residual hot water can be done here in a simple manner by pressing the pump 13.
  • Fig. 3 shows a further embodiment of a device according to the invention 1 ", which differs from the devices 1 and 1 1 according to FIGS. 1 and 2 only by the details described below, wherein the same or similar parts with the same reference numerals and are not explained again.
  • the device 1 "differs only by a modified reservoir 2", which has the receiving space of milk and a suction nozzle attached to the reservoir 2a.
  • the intake manifold 2a is connected to the reservoir 2 "so that both can be easily cleaned together in a dishwasher.”
  • the intake manifold 2a is thus either permanently or detachably connected to the reservoir 2 ".
  • the intake manifold is dimensioned and arranged such that the inlet end 5a of the supply line 5 is detachably connected to the intake manifold 2a outside the milk level in the reservoir 2 " Bottom of the reservoir 2 "has a suction and extends beyond the milk level in the reservoir 2" and there connected to the inlet end 5a of the supply line 5, wherein the inlet end 5a is preferably attached to the intake manifold 2a. For cleaning, the inlet end 5a is removed from the intake manifold 2a and connected to the connector 11.
  • the devices 1, 1 ', 1 "according to the invention may be designed as separate devices, but may also be integrated into a coffee machine 100 according to Fig. 4.
  • the coffee machine equipped according to the invention is of the usual type, ie it is designed as a semi-automatic or fully automatic machine and is controlled by a not shown control unit.
  • the coffee machine 100 includes a housing 17 in and on which the usual in coffee machines elements are arranged. Via an operating device 14, the user request different drinks, which are then automatically prepared and output by the coffee machine.
  • the coffee machine 100 contains for this purpose, for example, a conventional brewing unit 15, which is supplied via a line 15 a with hot water from the hot water heater 9 and is connected via a line 15 b with a coffee outlet 16.
  • the coffee machine 100 further includes the already described foaming device 4 with the supply line 5.
  • the reservoir 2 for milk is in the illustrated embodiment, for example, a commercial milk carton, which is housed in a holder.
  • the hopper 2 may also be a preferably cooled chamber in the interior of the housing 17 of the coffee machine 100.
  • the coffee machine 100 is provided with one of the usual hot water outlets 10, as they are provided on many coffee machines, so that tea can be prepared.
  • the coffee machine 100 further includes a separate steam outlet 18, which is designed as a pivot lever and is used for example for heating drinks or other liquids (soups).
  • the hot water outlet 10 and / or the steam outlet 18 are provided with the connector 11 for connecting the inlet end 5a of the supply pipe 5; in the illustratedtientsbeispiei coupling parts 12 are provided at both terminals.
  • the hot water outlet 10 is arranged in the illustrated exemplary embodiment in the vicinity of the storage container 2, 2 ", so that the supply line 5 can be connected there without problem However, with its coupling piece 12 at a distance from the foaming device 4, which is smaller than the length of the supply line 5, so that the inlet end 5a can also be connected to the steam outlet 18.
  • the cleaning process for the supply line 5 can also be carried out in the coffee machine 100 in a manner as already described with reference to Figures 1 to 3, wherein the supply line 5 cleaned either with hot water or steam becomes.
  • the user after connecting the inlet end 5a to the hot water or steam outlet 10, 18 via the operating device 14, the user must initiate either the discharge of a hot water blast for tea preparation or the release of a steam blast for heating, depending on where the supply line 5 is connected ,
  • the expulsion of residual hot water can also take place in the manner already described.
  • the cleaning process according to the invention can be carried out either as part of a general cleaning of the device or the coffee machine, but can preferably be carried out as an intermediate cleaning step, optionally after each milk dispensing. This effectively suppresses the proliferation of harmful germs.
  • the intake manifold could be attached to the reservoir in a different way, for example, he could enforce the wall of the reservoir side, or open out of the ground.
  • the provided with an intake reservoir facilitates cleaning, however, in coffee machines and other milk dispensing devices that have no connection device, d. H. where the supply line has to be cleaned conventionally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Cleaning In General (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

L'invention concerne un dispositif (1, 11', 1'') permettant de prélever du lait dans un réservoir (2, 2'') pour l'acheminer jusqu'à un dispositif de distribution (3). Il est prévu une conduite d'alimentation (5) dont l'extrémité d'entrée (5a) est raccordée de manière amovible au réservoir (2, 2''). L'invention vise à permettre de mieux nettoyer ce type de dispositif. A cet effet, il est prévu un dispositif de nettoyage (10) pour la conduite d'alimentation (5), qui comprend une sortie d'eau chaude et/ou de vapeur (10, 18) avec un dispositif de raccordement (11) pour raccorder de manière amovible l'extrémité d'entrée (5a) de la conduite d'alimentation (5).
PCT/EP2007/006299 2005-12-13 2007-07-16 Dispositif pour acheminer du lait WO2008006623A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/307,760 US8739688B2 (en) 2005-12-13 2007-07-16 Device for supplying milk
JP2009518803A JP5066183B2 (ja) 2006-07-14 2007-07-16 ミルク供給装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06014893.9A EP1797801B1 (fr) 2005-12-13 2006-07-14 Une machine à café avec un dispositif de nettoyage de l'amenée de lait
EP06014893.9 2006-07-14

Publications (2)

Publication Number Publication Date
WO2008006623A2 true WO2008006623A2 (fr) 2008-01-17
WO2008006623A3 WO2008006623A3 (fr) 2008-02-28

Family

ID=38876128

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/006299 WO2008006623A2 (fr) 2005-12-13 2007-07-16 Dispositif pour acheminer du lait

Country Status (3)

Country Link
JP (1) JP5066183B2 (fr)
CN (1) CN101489452A (fr)
WO (1) WO2008006623A2 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2189085A1 (fr) 2008-11-20 2010-05-26 Spengler GmbH & Co. KG Agencement pour le moussage de lait et unité de moussage pour l'utilisation dans un tel agencement
DE102009019266A1 (de) * 2009-04-28 2010-11-11 Wmf Württembergische Metallwarenfabrik Ag Getränkeautomat
EP2272408A1 (fr) * 2009-07-08 2011-01-12 Jura Elektroapparate AG Machine de préparation de boissons et procédé de nettoyage d'une machine de préparation de boissons
EP2596727A3 (fr) * 2011-10-07 2014-11-26 Wmf Württembergische Metallwarenfabrik Ag Turbo-compresseur destiné à doser l'air dans les systèmes de mousse de lait
DE102017206767A1 (de) * 2017-04-21 2018-10-25 Wmf Group Gmbh Milchzufuhrvorrichtung sowie Verfahren zum Zuführen von Milch
EP3733032A1 (fr) * 2019-04-29 2020-11-04 BSH Hausgeräte GmbH Machine à café automatique
DE102023136597B3 (de) 2023-12-22 2025-03-13 Eugster / Frismag Ag Milchmodul mit optimierter Wärmeübertragung, Betrieb eines Milchmoduls mit optimierter Wärmeübertragung und Getränkezubereitungsvorrichtung mit optimiertem Milchmodul

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2353473A1 (fr) * 2010-02-03 2011-08-10 Nestec S.A. Distributeur de boissons avec cycle de nettoyage hygiénique
DE102010007143B4 (de) * 2010-02-05 2013-08-22 Eugster/Frismag Ag Kaffeemaschine mit einer Schäumvorrichtung und Mitteln zum Reinigen der Schäumvorrichtung und einer Milchansaugleitung sowie Verfahren zum Spülen der Milchansaugleitung
CN102160747A (zh) * 2011-01-27 2011-08-24 苏州工业园区咖乐美电器有限公司 一种咖啡机
DE102011077776B4 (de) * 2011-06-17 2013-11-14 Wmf Württembergische Metallwarenfabrik Ag Vorrichtung zum Erhitzen und Aufschäumen eines Getränkeprodukts
EP2702908A1 (fr) * 2012-08-30 2014-03-05 Jura Elektroapparate AG Dispositif destiné à préparer un liquide pour un automate de boissons et son utilisation
DE102015217964A1 (de) * 2015-09-18 2017-03-23 Franke Kaffeemaschinen Ag Reinigungssystem für eine Vorrichtung zur Ausgabe von flüssigen Lebensmitteln
BR112018010638B1 (pt) * 2015-11-27 2021-12-21 Delaval Holding Ab Sistema de análise para avaliar um processo de limpeza em relação a uma estrutura do tubo de transporte de leite
KR102218579B1 (ko) * 2015-12-08 2021-02-22 후지 덴키 가부시키가이샤 음료 공급 장치
PL3610762T3 (pl) * 2018-08-16 2021-11-22 Cup&Cino Kaffeesystem-Vertrieb Gmbh & Co. Kg Urządzenie do przygotowywania cieczy, w szczególności mleka, ze zintegrowanym systemem płuczącym i sposób płukania

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Publication number Priority date Publication date Assignee Title
US2961853A (en) * 1958-07-10 1960-11-29 Henry F Cohrt Refrigeration apparatus
US3132656A (en) * 1963-01-31 1964-05-12 Rankin Lillian Conduit cleaning system
FR2843104B1 (fr) * 2002-08-01 2004-10-08 Cyrille Lagoute Fontaine distributrice de boissons, autonome et deplacable
JP4204517B2 (ja) * 2004-05-27 2009-01-07 フジコーン株式会社 飲料ディスペンサにおけるチューブ状部材の取り回し構造

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2189085A1 (fr) 2008-11-20 2010-05-26 Spengler GmbH & Co. KG Agencement pour le moussage de lait et unité de moussage pour l'utilisation dans un tel agencement
DE102008058139A1 (de) 2008-11-20 2010-05-27 Spengler Gmbh & Co. Kg Anordnung zum Aufschäumen von Milch und Aufschäumeinheit zur Verwendung in einer solchen Anordnung
DE102008058139B4 (de) * 2008-11-20 2017-12-21 Spengler Gmbh & Co. Kg Aufschäumeinheit zum Aufschäumen von Milch und Anordnung enthaltend eine solche Aufschäumeinheit
DE102009019266A1 (de) * 2009-04-28 2010-11-11 Wmf Württembergische Metallwarenfabrik Ag Getränkeautomat
EP2272408A1 (fr) * 2009-07-08 2011-01-12 Jura Elektroapparate AG Machine de préparation de boissons et procédé de nettoyage d'une machine de préparation de boissons
EP2272409A1 (fr) * 2009-07-08 2011-01-12 Jura Elektroapparate AG Machine de préparation de boissons et procédé de nettoyage d'une machine de préparation de boissons
US8770099B2 (en) 2009-07-08 2014-07-08 Jura Elektroapparate Ag Beverage preparation machine and method for cleaning a beverage preparation machine
EP2596727A3 (fr) * 2011-10-07 2014-11-26 Wmf Württembergische Metallwarenfabrik Ag Turbo-compresseur destiné à doser l'air dans les systèmes de mousse de lait
DE102017206767A1 (de) * 2017-04-21 2018-10-25 Wmf Group Gmbh Milchzufuhrvorrichtung sowie Verfahren zum Zuführen von Milch
US11653787B2 (en) 2017-04-21 2023-05-23 Wmf Gmbh Milk supply device and method for supplying milk
EP3733032A1 (fr) * 2019-04-29 2020-11-04 BSH Hausgeräte GmbH Machine à café automatique
DE102023136597B3 (de) 2023-12-22 2025-03-13 Eugster / Frismag Ag Milchmodul mit optimierter Wärmeübertragung, Betrieb eines Milchmoduls mit optimierter Wärmeübertragung und Getränkezubereitungsvorrichtung mit optimiertem Milchmodul

Also Published As

Publication number Publication date
WO2008006623A3 (fr) 2008-02-28
JP5066183B2 (ja) 2012-11-07
CN101489452A (zh) 2009-07-22
JP2009543584A (ja) 2009-12-10

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