EP3770872A1 - Machine pour préparer et distribuer automatiquement des boissons - Google Patents

Machine pour préparer et distribuer automatiquement des boissons Download PDF

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Publication number
EP3770872A1
EP3770872A1 EP20187497.1A EP20187497A EP3770872A1 EP 3770872 A1 EP3770872 A1 EP 3770872A1 EP 20187497 A EP20187497 A EP 20187497A EP 3770872 A1 EP3770872 A1 EP 3770872A1
Authority
EP
European Patent Office
Prior art keywords
machine
delivery
pipe
connection assembly
beverage
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.)
Pending
Application number
EP20187497.1A
Other languages
German (de)
English (en)
Inventor
Marco Bianchi
Michele Carretta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parmalat SpA
Original Assignee
Parmalat SpA
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
Application filed by Parmalat SpA filed Critical Parmalat SpA
Publication of EP3770872A1 publication Critical patent/EP3770872A1/fr
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
    • G07F13/06—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with selective dispensing of different fluids or materials or mixtures thereof
    • G07F13/065—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with selective dispensing of different fluids or materials or mixtures thereof for drink preparation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
    • G07F13/02—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs by volume
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/04—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity in which the quantity mechanism is set forward automatically by the insertion of a coin

Definitions

  • Embodiments described here concern a machine to automatically prepare and delivery, or distribute, beverages.
  • the present invention concerns an automated machine, also called “vending machine”, to prepare ready-to-drink beverages selected by a user, such as for example coffee-, chocolate-, tea-based beverages or suchlike, with the possibility of delivering liquid milk, in particular pasteurized fresh milk, microfiltered milk or long-life milk, for preparing said beverages.
  • Machines to produce beverages are known, generally starting from preparations in powder, granules, freeze-dried products, soluble preparations or suchlike, or even in grains or beans that are ground, such as for example, but not only, automatic distributing machines, or vending machines, of coffee, chocolate, tea or similar beverages.
  • Such machines generally include the possibility of adding a milk-based ingredient to the beverage, generally obtained from a powdered preparation present in the machine.
  • the powdered milk is usually mixed with water and/or steam and delivered.
  • This type of powdered milk lacks many of the sensory, organoleptic and nutritional characteristics and properties of liquid milk, whether fresh or long-life (UHT).
  • one purpose of the present invention is to provide a machine to automatically prepare and deliver beverages which guarantees a high quality of the beverage produced thanks to the possibility of using liquid, pasteurized fresh, microfiltered or long-life UHT milk.
  • Another purpose of the present invention is to provide a machine to automatically prepare and deliver beverages which is easy to maintain, and which guarantees the safety and health of the consumer, preventing the onset of bacterial proliferation and contamination of the beverages deriving from the use of liquid, pasteurized fresh, microfiltered or UHT long-life milk.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • a machine to automatically prepare and deliver beverages in accordance with the present invention comprises a support frame which has a delivery compartment to receive a container in which to deliver a prepared beverage.
  • a refrigerated compartment configured to receive and keep refrigerated a hermetic package of liquid milk provided with an exit connector.
  • a hydraulic connection assembly comprising a circuit provided with at least one pipe which on one side has an attachment element able to be connected in a releasable manner to the connector of the package and ends on the other side with a delivery nozzle removably positioned in the delivery compartment.
  • a peristaltic dosing pump is present in the support frame, and part of the at least one pipe is wound around the peristaltic dosing pump in a selectively removable manner in order to pump dosed quantities of liquid milk from the package to the delivery nozzle.
  • Such delivery nozzle is provided with an attachment end, configured to be selectively connected to the pipe of a delivery end opposite the attachment end and configured to deliver the beverage into the container, and with an internal channel that fluidically connects the attachment end with the delivery end.
  • the machine according to the present invention it is possible to automatically prepare and deliver beverages prepared using fresh pasteurized milk, microfiltered milk or UHT long-life milk, taking full advantage of the specific sensory, nutritional and organoleptic properties of liquid milk.
  • the milk delivered can be hot or cold, and also frothy or normal.
  • this machine overcomes the limits of the state of the art and eliminates the defects present therein, allowing to use liquid milk instead of powdered milk preparations, while avoiding the potential disadvantages linked to the use of liquid milk and connected to the cleaning of the internal circuits of the machine, reducing, if not eliminating, bacterial proliferation and therefore the risk of contamination.
  • the hydraulic connection assembly described above directly connects the package of liquid milk to the delivery compartment and, therefore, to the destination container, avoiding direct contact between the liquid milk and other components of the machine.
  • the hydraulic connection assembly since it is removable and possibly replaceable, allows to solve the problem of its sanitization and, therefore, the onset of bacterial proliferation that could enter the flow of the beverage delivered, contaminating it.
  • the hydraulic connection assembly in fact, comprising the milk delivery nozzle, is substantially completely removable, therefore it can be subjected to effective cleaning and maintenance operations.
  • This machine 10 is configured to automatically prepare and deliver, typically based on a request or selection of a consumer, a beverage, for example a liquid milk-based beverage alone or in combination with other beverages or flavors, such as for example coffee-, chocolate-, tea-based or similar beverages, depending on the type of ready-to-drink beverage selected by a user.
  • a beverage for example a liquid milk-based beverage alone or in combination with other beverages or flavors, such as for example coffee-, chocolate-, tea-based or similar beverages, depending on the type of ready-to-drink beverage selected by a user.
  • the machine 10 comprises a support frame 15 which has a delivery compartment 13 to receive a container 12 in which to deliver a prepared beverage.
  • This container 12 can be, for example, a glass or a cup, typically disposable, for example made of plastic material, or cellulose-based or other, and can be supplied automatically by the machine 10 itself.
  • a refrigerated compartment 17 configured to receive and keep refrigerated inside it a hermetic package 14 of liquid milk.
  • liquid milk as understood here can be liquid milk of vegetable or animal origin.
  • the package 14 can contain liquid milk, for example fresh pasteurized milk, microfiltered milk and/or UHT (Ultra High Temperature Treatment) long-life milk.
  • liquid milk for example fresh pasteurized milk, microfiltered milk and/or UHT (Ultra High Temperature Treatment) long-life milk.
  • the package 14 can be provided with an exit connector 16.
  • This exit connector 16 can be, or include, for example, a one-way valve, a faucet or other element for intercepting the fluid.
  • the package 14 can be a bag, also known as a "bag in box”.
  • the refrigerated compartment 17 is advantageously refrigerated in order to allow the milk contained in the package 14 to be correctly and suitably preserved, especially after it is first opened.
  • This refrigerated compartment 17 can be a special refrigeration device defined by a frame, a door, an internal refrigeration chamber and a suitable refrigeration circuit.
  • the refrigerated compartment 17 can also be equipped with a temperature sensor 45 ( fig. 2 ) to measure the temperature inside it and therefore detect an undesired increase in temperature, in order to prevent excessive heating of the milk.
  • a hydraulic connection assembly 11 in which, as explained below, the milk coming from the package 14 is able to flow.
  • This hydraulic connection assembly 11 is the only component of the machine 10 in which the milk is able to flow.
  • this hydraulic connection assembly 11 comprises one or more pipes, in which the milk flows, which are made of plastic material, easy to clean and recycle and suitable for food use, for example made of silicone polymer.
  • this hydraulic connection assembly 11 comprises a circuit provided with at least one pipe 18, 20 in which the liquid milk can flow, as explained in detail below.
  • the at least one pipe 18, 20 has on one side an attachment element 21 able to be connected in a releasable manner to the exit connector 16 of the package 14 and ends on the other side with a delivery nozzle 22 removably positioned in the delivery compartment 13.
  • the attachment element 21 can be selectively removable from the pipe 18, 20.
  • the hydraulic connection assembly 11 is selectively removable from the machine 10 in order to be replaced and interchanged with a similar clean hydraulic connection assembly 11.
  • This replacement can be advantageously carried out by an operator, quickly and easily, with a predetermined frequency and such as to prevent, or at least reduce, bacterial proliferation and the risk of contamination from residues or milk sediments along the hydraulic connection assembly 11; in this way, since the hydraulic connection assembly 11 is the only component through which the milk passes and it can be replaced with a desired frequency, the machine 10 can use liquid milk to automatically prepare beverages without risks of contamination and therefore without health risks for the consumer.
  • the hydraulic connection assembly 11 is, in particular, configured to be interchanged with a predetermined frequency, for example every 2-4 days, in order to prevent contaminations.
  • the package 14 is configured to preserve the liquid milk present inside it for a predetermined duration in order to prevent bacterial contaminations and the deterioration of the sensory, nutritional and organoleptic properties of the milk contained in it.
  • This predetermined time interval is comprised for example between 48 hours and 96 hours, preferably about 72 hours.
  • the predetermined frequency for replacing the hydraulic connection assembly 11 can coincide with the predetermined duration of the "shelf-life" of the milk present in the package 14. Therefore, every time a package 14 is replaced, preferably the hydraulic connection assembly 11 is also replaced, guaranteeing a better cleaning of the machine 10 preventing any possibility of bacterial contaminations.
  • the hydraulic connection assembly 11 can be of the disposable or reusable type. In this case, the hydraulic connection assembly 11, once removed and replaced with a similar hydraulic connection assembly, can be washed and sanitized outside the machine 10 in order to then be reused.
  • the at least one pipe 18, 20 of the hydraulic connection assembly 11 is flexible and can be made, for example but not only, of silicone.
  • this at least one pipe 18, 20 can be easily recycled once washed and sanitized.
  • the at least one pipe 18, 20 comprises inside it, disposed at one of its ends directly upstream of the delivery nozzle 22, a static mixer 24 configured to perturb the flow of milk in order to generate foam.
  • This static mixer 24 allows to obtain a good quality milk froth, starting from both hot and also cold liquid milk.
  • the static mixer 24 can be made of plastic material, for example polyoxymethylene, easily cleanable and recyclable and compatible with food use.
  • the static mixer 24 has an oblong undulating development configured to create a turbulent path for the liquid milk so as to aerate and therefore give frothiness to the latter, obtaining a milk froth to be delivered through the delivery nozzle 22.
  • the static mixer 24 can have a shape with a helical development.
  • the static mixer 24 can have a sequence of segments with a substantially helical development, disposed in sequence offset with respect to each other.
  • the static mixer 24 can be configured to obtain different degrees of froth of the liquid milk, depending on the sizes of the static mixer 24 itself and/or the speed of the liquid milk in transit in the hydraulic connection assembly 11.
  • the delivery nozzle 22 can be selectively disconnected from the pipe 18, 20.
  • the delivery nozzle 22 can be made of polycarbonate (BPA-free) or polysulfone or polyethersulfone, or other plastic or non-plastic material.
  • the delivery nozzle 22 is shaped like a spout in order to allow a correct outflow of the liquid milk into the container 12.
  • the delivery nozzle 22 is provided with an attachment end 22a configured to be selectively connected, that is, removably connected, to the pipe 18, 20 and with a delivery end 22b opposite the attachment end 22a and configured to deliver the beverage into the container 12.
  • the delivery nozzle 22 is also provided with an internal channel 22c that fluidically connects the attachment end 22a with the delivery end 22b in order to allow the beverage coming from the pipe 18, 20 to transit toward the delivery compartment 13.
  • the internal channel 22c has a truncated cone or flared development, divergent from the attachment end 22a toward the delivery end 22b. This development allows to reduce the formation of bubbles on the internal surface of the internal channel 22c allowing the correct outflow of the beverage into the container 12.
  • the delivery end 22b is provided with a delivery hole 22d with a cross section inclined or oblique with respect to the axis of development of the internal channel 22c.
  • a peristaltic dosing pump 23 is also present in the support frame 15.
  • the peristaltic dosing pump 23 there is wound, in a selectively removable manner, part of the at least one pipe 18, 20 in order to pump dosed quantities of liquid milk from the package 14 to the delivery nozzle 22.
  • the peristaltic dosing pump 23 allows to prevent direct contact between the liquid milk and the mechanical dosing components.
  • the machine 10 comprises, inside the support frame 15, an auxiliary hydraulic circuit 25 comprising a main pipe 26 which has on one side a first end connected to the hydraulic connection assembly 11 and on the other side a second end connected to one or more of a water supply pipe 27, a steam supply pipe 28 and an air supply pipe 29.
  • the auxiliary hydraulic circuit 25 is configured to alternatively send air, hot water/steam or cold water to the hydraulic connection assembly 11 in order to suitably condition the liquid milk according to the user's requests.
  • the hydraulic connection assembly 11 comprises a three-way connector 19, and the pipe 18, 20 comprises a first pipe segment 18 and a second pipe segment 20, wherein:
  • the first end of the main pipe 26 of the auxiliary hydraulic circuit 25 is connected to a third way of the three-way connector 19.
  • the three-way connector 19 can comprise a T-shaped or a Y-shaped connector.
  • the three-way connector 19 can comprise a three-way shut-off valve.
  • the static mixer 24 is provided inside the pipe of the second circuit segment 20 in the proximity of its second end.
  • the auxiliary hydraulic circuit 25 is advantageously made integral with the support frame 15.
  • the water supply pipe 27 is connected on one side to a water supply source 31 and on the other selectively to the main pipe 26 by means of a shut-off valve 32.
  • the steam supply pipe 28 can be associated with a steam generator 30, connected on one side to a water supply source 31 and on the other to the main pipe 26 by means of another shut-off valve 33.
  • the steam generator 30 can be configured to generate steam and/or hot water to be sent to the main pipe 26 according to requirements.
  • the steam supply pipe 28 can provide a filling valve 42 upstream of the steam generator 30 to selective supply water to the steam generator 30.
  • the steam generator 30 can be provided with one or more vents to remove the excess steam inside it and at least one drain valve to remove the excess steam inside it. These vents and this drain valve are not represented graphically in fig. 2 for illustrative ease.
  • the steam generator 30 can also comprise a temperature sensor 43 to detect the temperature of the steam generated inside the steam generator 30 and a level sensor 44 to detect the water level inside the steam generator 30.
  • the auxiliary hydraulic circuit 25 can also be used to carry out, by suitably activating the steam generator 30 and opening the shut-off valve 33, cleaning cycles of the hydraulic connection assembly 11, for example at each delivery of milk and/or or with a predetermined frequency.
  • the air supply pipe 29 can be provided with a suction device 34 to selectively draw air from a source of compressed air and send it toward the main pipe 26 to the hydraulic connection assembly 11, so that it can mix with the milk in order to possibly generate foam.
  • the suction device 34 can be configured to selectively send air to the main pipe 26.
  • the machine 10 has a command and control unit 40 configured to automatically manage at least the functioning of the peristaltic dosing pump 23 based on the beverage to be prepared selected by the user.
  • command and control unit 40 can also be connected to the temperature sensor 45 present in the refrigerated compartment 17 in order to receive the corresponding signal of the temperature measurement and possibly supply an alarm indication.
  • the command and control unit 40 is configured to automatically manage the functioning of the auxiliary hydraulic circuit 25 based on the beverage to be prepared selected by the user.
  • the machine 10 comprises a user interface 41, connected to the command and control unit 40, with which the user can select the desired beverage.
  • command and control unit 40 is configured to command the selective sending of water, steam or air through the supply pipes 27, 28, 29 of the auxiliary hydraulic circuit 25 as a function of the production of the beverage requested by the user by means of the user interface 41.
  • the machine 10 can have, inside the refrigerated compartment 17, a sensor 38 configured to detect the filling level of the package 14 and communicate it to the command and control unit 40, so as to signal, for example by means of the user interface 41, the need to replace the package 14.
  • command and control unit 40 is provided with, or connected to, a timer 39 configured to provide a temporal signal with a predetermined frequency of when the package 14 and/or the hydraulic connection assembly 11 have/has to be replaced, for example based on the criteria described above.
  • command and control unit 40 can be configured to reset the timer 39 every time a package 14 and/or a hydraulic connection assembly 11 are/is replaced.
  • the command and control unit 40 can also be configured to set, in the timer 39, the predetermined time interval for the replacement of the package 14 and/or of the hydraulic connection assembly 11 just replaced.
  • the command and control unit 40 can signal to an operator, for example by means of remote communication protocols, whether the package 14 and/or the hydraulic connection assembly 11 need/needs to be replaced as a function of the signals received by the timer 39 and/or the sensor 38.
  • the machine 10 can also comprise a beverage delivery circuit 36 to deliver beverages, such as for example, but not only, coffee, tea or chocolate, into the container 12 in the delivery compartment 13.
  • beverages such as for example, but not only, coffee, tea or chocolate
  • the beverage delivery circuit 36 can provide a supply exit 37 associated, in the delivery compartment 13, with the delivery nozzle 22 of the hydraulic connection assembly 11.
  • a specific beverage for example coffee, obtaining beverages such as a macchiato coffee or a cappuccino of higher quality than those obtainable using powdered milk.
  • the beverage delivery circuit 36 can also be equipped with a kit to deliver syrup with a flavor of choice, or similar foodstuff made with flavorings, for example connected to the hydraulic connection assembly 11 or communicating directly with the delivery compartment 13, in order to flavor the milk or the final beverage in a personalized manner, according to the needs or tastes of the consumer.
  • Fig. 6 and fig. 8 show a non-limiting example embodiment of the attachment element 21 which can be used in the present hydraulic connection assembly 11.
  • Such attachment element 21 comprises a duct 46 configured to couple in the exit connector 16 of the package 14.
  • This package 14 can be, for example, a so-called "bag-in-box”.
  • the duct 46 comprises a pointed end 47 and a plurality of circumferential fins 49, located along the surface of the first duct 46 and configured to hook onto the end 48 of a seating 54 made in the exit connector 16.
  • This seating 54 is a tubular element that allows the liquid milk of the package 14 to come out and its transfer toward the duct 46, following the drive of the peristaltic dosing pump 23.
  • This end 48 is equipped with a membrane 50 which, upon insertion of the attachment element 21 into the seating 54, is perforated by the pointed end 47 of the attachment element 21.
  • This attachment element 21 also comprises another duct 51 suitably shaped and configured to allow the rapid coupling of the pipe 18 of the hydraulic connection assembly 11, for example a rubber pipe or suchlike.
  • This other duct 51 can be disposed for example in a direction substantially orthogonal to the direction of the duct 46, so as to limit the bulk of the attachment element 21.
  • the exit connector 16 can be equipped with a cap 52, which is removed before the coupling of the attachment element 21.
  • This attachment element 21 can also be equipped with a flange 53 which, once the coupling of the attachment element 21 is completed, see fig. 8 , rests on the seating 54 of the exit connector 16. While the fins 49, as stated, hook onto the end 48 of the seating 54.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Devices For Dispensing Beverages (AREA)
EP20187497.1A 2019-07-26 2020-07-23 Machine pour préparer et distribuer automatiquement des boissons Pending EP3770872A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000013059A IT201900013059A1 (it) 2019-07-26 2019-07-26 Macchina per la preparazione e l’erogazione automatica di bevande

Publications (1)

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EP3770872A1 true EP3770872A1 (fr) 2021-01-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20187497.1A Pending EP3770872A1 (fr) 2019-07-26 2020-07-23 Machine pour préparer et distribuer automatiquement des boissons

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EP (1) EP3770872A1 (fr)
IT (1) IT201900013059A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160178A (en) 1984-06-13 1985-12-18 Grandmet Vending Services Limi Fresh milk hot drink vending machine
WO2002018265A1 (fr) 2000-08-29 2002-03-07 Dispenser Juice, Inc. Buse de distribution pour distributeur de boissons a melange posterieur
KR20090032996A (ko) * 2007-09-28 2009-04-01 카피나 아게 우유 거품기
RU2589605C1 (ru) * 2015-04-06 2016-07-10 Сергей Александрович Бучик Устройство для соединения потребительской емкости с молокопроводом торгового автомата для порционного розлива жидких пищевых продуктов
US20190166874A1 (en) 2017-11-27 2019-06-06 Morris Douer Universal, refrigerated, automated vending kiosk for interchangeable equipment serving soft serve ice cream and frozen beverages

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160178A (en) 1984-06-13 1985-12-18 Grandmet Vending Services Limi Fresh milk hot drink vending machine
WO2002018265A1 (fr) 2000-08-29 2002-03-07 Dispenser Juice, Inc. Buse de distribution pour distributeur de boissons a melange posterieur
KR20090032996A (ko) * 2007-09-28 2009-04-01 카피나 아게 우유 거품기
RU2589605C1 (ru) * 2015-04-06 2016-07-10 Сергей Александрович Бучик Устройство для соединения потребительской емкости с молокопроводом торгового автомата для порционного розлива жидких пищевых продуктов
US20190166874A1 (en) 2017-11-27 2019-06-06 Morris Douer Universal, refrigerated, automated vending kiosk for interchangeable equipment serving soft serve ice cream and frozen beverages

Also Published As

Publication number Publication date
IT201900013059A1 (it) 2021-01-26

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