WO2024111010A1 - Système de distribution de boisson comprenant un échangeur de chaleur métallique imprimé en 3d - Google Patents

Système de distribution de boisson comprenant un échangeur de chaleur métallique imprimé en 3d Download PDF

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Publication number
WO2024111010A1
WO2024111010A1 PCT/IT2023/050263 IT2023050263W WO2024111010A1 WO 2024111010 A1 WO2024111010 A1 WO 2024111010A1 IT 2023050263 W IT2023050263 W IT 2023050263W WO 2024111010 A1 WO2024111010 A1 WO 2024111010A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
duct
channel
dispensing system
serpentine
Prior art date
Application number
PCT/IT2023/050263
Other languages
English (en)
Inventor
Viliam Alberini
Original Assignee
Celli S.P.A.
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 Celli S.P.A. filed Critical Celli S.P.A.
Publication of WO2024111010A1 publication Critical patent/WO2024111010A1/fr

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0857Cooling arrangements
    • B67D1/0858Cooling arrangements using compression systems
    • B67D1/0861Cooling arrangements using compression systems the evaporator acting through an intermediate heat transfer means
    • B67D1/0862Cooling arrangements using compression systems the evaporator acting through an intermediate heat transfer means in the form of a cold plate or a cooling block
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/0042Details of specific parts of the dispensers
    • B67D1/0057Carbonators
    • B67D1/0058In-line carbonators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/0042Details of specific parts of the dispensers
    • B67D1/0057Carbonators
    • B67D1/0061Carbonators with cooling means
    • B67D1/0066Carbonators with cooling means outside the carbonator

Definitions

  • the present invention relates to a dispensing system for dispensing a beverage.
  • the present invention relates to the sector of dispensing systems for dispensing a beverage and in particular to the structure of a dispensing system comprising a 3D printed metal heat exchanger.
  • the heat exchanger can be shaped and/or sized to reduce the size of said dispensing system.
  • the heat exchanger can be designed to increase the efficiency in terms of cooling the beverage before the beverage is dispensed by the dispensing system.
  • the dispensing system can dispense any beverage, other than carbonated water, without departing from the scope of the invention.
  • a dispensing system of a known type is provided with a heat exchanger.
  • the heat exchanger inside a dispensing system of known type has the shape of a cube or a parallelepiped.
  • the heat exchanger is sized based on the quantity of the beverage to be cooled by a refrigerant fluid over a period of time.
  • the heat exchanger which allows a heat exchange between a beverage and a refrigerant fluid in order to cool this beverage, typically has a low efficiency, and it is therefore necessary that the cooling power to cool the beverage is high, so as to subtract the greatest amount of heat to the beverage in a time unit.
  • the heat exchanger To quickly cool a quantity of beverage, the heat exchanger must be a device with a volume of significant dimensions.
  • the heat exchanger is a monolithic device, typically made of metallic material, such as aluminium, and in a beverage dispensing system said heat exchanger is the component that has the largest volume compared to the volume of the other components of the dispensing system.
  • a dispensing system of a known type has relevant dimensions according due to the size and shape of the heat exchanger included in said dispensing system.
  • the heat exchanger includes inside a fluid-dynamic circuit in which a refrigerant liquid flows.
  • the dispensing system comprises one or more further fluid-dynamic circuits therewithin in which a respective beverage or the same beverage flows and said further fluid-dynamic circuits are in contact with the fluiddynamic circuit of the heat exchanger.
  • the beverage to be refrigerated is water (for example water from an aqueduct)
  • the water can be transformed into carbonated water via a carbonation device included in the dispensing system.
  • a carbonation device is a device that allows to dissolve carbon dioxide in water to turn the water into carbonated water.
  • Carbon dioxide dissolves in water in a percentage that depends mainly on the pressure of the carbon dioxide, as well as on the pressure and temperature of the water.
  • a beverage can therefore be a single liquid, such as still water, carbonated water, fruit juice, beer, wine, or it can be obtained through a mixture of two liquids, for exam pie a first liquid which can be water or soda, and a second liquid which can be syrup.
  • the aim of the present invention is to overcome said disadvantage, by providing a dispensing system for dispensing a beverage comprising a 3D printed metal heat exchanger, wherein said heat exchanger is designed to reduce the size of the dispensing system compared to the size of a dispensing system of known type and to obtain greater efficiency in terms of cooling of the beverage (via the refrigerant fluid present in said heat exchanger) compared to a dispensing system of known type.
  • a second aim of the present invention is to make the heat exchanger a structural element of the dispensing system, i.e. an element to support one or more elements of the dispensing system.
  • a third aim of the present invention is to reduce the cost of manufacturing of the dispensing system, due to the fact that the heat exchanger of said dispensing system can perform one or more functions of one or more devices and/or components present in a dispensing system of known type, so as to reduce the number of components within the dispensing system.
  • a further aim of the present invention is to reduce the complexity of the dispensing system so as to facilitate the assembly and maintenance of the dispensing system.
  • the object of the invention is a dispensing system for dispensing a beverage comprising a heat exchanger, wherein said heat exchanger comprises:
  • said heat exchanger is a 3D printed metal heat exchanger.
  • Figure 1 is a schematic view of a first embodiment of a dispensing system for dispensing a beverage, according to the invention, in which said dispensing system comprises inside a 3D metal printed heat exchanger;
  • Figure 2 is a first perspective view of the heat exchanger arranged inside the dispensing system of Figure 1 ;
  • FIG. 3 is a second perspective view of the heat exchanger of Figure 2;
  • FIG 4 is a third perspective view of the heat exchanger of Figure 2;
  • Figure 5 is a cross-sectional view of the heat exchanger showing the ducts for the passage of a beverage and the channels for the passage of a refrigerant fluid;
  • Figure 6 shows a detail of Figure 5
  • Figure 7A is a schematic cross-sectional view of a second embodiment of a heat exchanger, wherein said heat exchanger comprises a first opening, a second opening, a third opening, and a further channel connecting said first opening to said second opening and to said third opening and is shaped to perform the function of an in-line carbonation device;
  • Figure 7B shows a variant of the second embodiment of the heat exchanger of Figure 7A
  • Figure 8A is a schematic cross-sectional view of a third embodiment of a heat exchanger, wherein said heat exchanger comprises a first opening, a second opening, a third opening, and a further channel connecting said first opening to said second opening and to said third opening and is shaped to perform the function of a carbonation device;
  • Figure 8B shows a variant of the third embodiment of the heat exchanger of Figure 8A.
  • the beverage is carbonated water.
  • the beverage is formed by a liquid, i.e. water, and by a quantity of carbon dioxide which is added to said liquid.
  • Said dispensing system 1 comprises a heat exchanger 2 to cool said liquid, i.e. the water.
  • Said heat exchanger 2 comprises:
  • the heat exchanger 2 is a 3D printed metal heat exchanger.
  • the heat exchanger 2 further comprises a third inlet 25 for receiving a quantity of carbon dioxide.
  • the first outlet 23 is connected to a dispensing unit (not shown) for dispensing the beverage through a connecting element 26 which connects a tube (not shown) to said first outlet 23.
  • Said dispensing system 1 can comprise inside at least one device between the following devices: a pressure gauge or a carbonation device or a in-line carbonation device or a collector or a tap or a fan or a electromechanical device or a electronic device,
  • Said heat exchanger 2 comprises an outer surface 29 and is provided with a coupling element 290, arranged on said outer surface 29, for coupling/uncoupling to/from said heat exchanger 2 a respective device between the devices mentioned above.
  • Said coupling element 290 can comprise a first portion and said device can comprise a second portion to be coupled to the first portion of said coupling element 290 through a force coupling.
  • said coupling element 290 can comprise a first threaded portion and said device can comprise a second threaded portion to be coupled to the first threaded portion of said coupling element 290.
  • said coupling element 290 can comprise a first portion having a first shape and said device can comprise a second portion having a shape to be coupled to said first portion of said coupling element 290 through a shape coupling.
  • said dispensing system 1 comprises a pressure gauge 27 for measuring the relative pressure of the refrigerant fluid, wherein said pressure gauge 27 is coupled to said heat exchanger 2 through a coupling element 290.
  • the heat exchanger 2 can comprise at least one recess and the coupling element 290 can be arranged inside said recess.
  • Said recess is a piece integral with said heat exchanger 2.
  • said heat exchanger 2 comprises a structure with the shape of a double serpentine.
  • Said heat exchanger 2 comprise a first serpentine 201 and a second serpentine 202, connected to the first serpentine 201 .
  • the first serpentine 201 is arranged on a first plane and said second serpentine 202 is arranged on a second plane, parallel to said first plane, wherein said first serpentine 201 and said second serpentine 202 are in contact with each other at one or more contact portions CP.
  • first serpentine 201 and the second serpentine 202 are in contact each other at a plurality of contact portions CP.
  • the first serpentine 201 and the second serpentine 202 are arranged in such a way that a contact portion CP is alternated with a space S present between said first serpentine 201 and said second serpentine 202.
  • first serpentine 201 and the second serpentine 202 are shaped so as to have a respective undulated longitudinal section comprising three respective portions contiguous to each other: a respective first portion or first end portion having a first concavity, a respective second portion or central portion having a second concavity, opposite to said first concavity, and a respective third portion or second end portion having a third concavity opposite to said second concavity.
  • the first portion of the first serpentine 201 is overlie to the first portion of the second serpentine 202
  • the second portion of the first serpentine 201 is overlie to the second portion of the second portion of the second serpentine 202
  • the third portion of the first serpentine 201 is overlie to the first portion of the second serpentine 202.
  • a first space S is formed between the first portion of the first serpentine 201 and the first portion of the second serpentine 202
  • a second space S is formed between the second portion of the first serpentine 201 and the second portion of the second serpentine 202
  • a third space S is formed between the third portion of the first serpentine 201 and the third portion of the second serpentine 202.
  • the first duct C1 (for the passage of the beverage) and the first channel CH1 (for the passage of a refrigerant fluid) mentioned above pass through each serpentine 201 , 202.
  • the first channel CH1 can be shaped so as to surround at least a first portion of the first duct C1 .
  • the heat exchanger 2 can comprise a second channel CH2 for the passage of the refrigerant fluid, shaped so as to surround at least one a second portion of the first duct C1 , different from the first portion of said first duct C1 .
  • Said second channel CH2 passes through each serpentine 201 , 202.
  • the heat exchanger 2 can comprise a second duct C2 for the passage of the beverage and a third channel CH3 for the passage of the refrigerant fluid.
  • the second channel CH2 can be shaped so as to surround at least one a first portion of said second duct C2, and the third channel CH3 can be shaped so as to surround at least one second portion of said second duct C2, different from the first portion of said second duct C2.
  • the second duct C2 and the third channel CH3 pass through each serpentine 201 , 202.
  • the heat exchanger 2 can comprise a third duct C3 for the passage of the beverage, a fourth duct C4 for the passage of the beverage, and a fourth channel CH4 for the passage of the refrigerant fluid.
  • the second channel CH2 can be shaped so as to surround a first portion of the fourth duct C4
  • the third channel CH3 can be shaped so as to surround at least one a first portion of the third duct C3 and a second portion of the fourth duct C4, different from the first portion of the fourth duct C4
  • the fourth channel CH4 can be shaped so as to surround at least one second portion of the third duct C3, different from the first portion of the third duct C3.
  • the third duct C3, the fourth duct C4 and the fourth channel CH4 pass through each serpentine 201 , 201 .
  • the first duct C1 is arranged between the first channel CH1 and the second channel CH2, so as to maximize the heat exchange between the beverage flowing in the first duct C1 and the refrigerant fluid flowing in the first channel CH1 and in the second channel CH2.
  • the second duct C2 and the fourth duct C4 are arranged between the second channel CH2 and the third channel CH3, so as to maximize the heat exchange between the beverage flowing in the second duct C2 and the third duct C3 and the refrigerant fluid flowing in the second channel CH2 and in the third channel CH3.
  • the second channel CH2 and the third channel CH3 can be shaped to delimit a respective area around the second duct C2 and the third duct C3.
  • the third duct C3 is arranged between the third channel CH3 and the fourth CH4, so as to maximize the heat exchange between the beverage flowing in the third duct C3 and the refrigerant fluid flowing in the third channel CH3 and in the fourth channel CH4.
  • Each serpentine 201 , 202 in cross section has the shape of a respective quadrilateral
  • Each duct C1 , C2, C3, C4 in cross section has the shape of a respective further quadrilateral.
  • each further quadrilateral has the rounded vertices. Consequently, each duct C1 , C2, C3, C4 has the rounded vertices.
  • the rounded vertices of each duct C1 , C2, C3, C4 prevent the residuals of the beverage or residuals of the 3D printing process for printing the heat exchanger 2.
  • each side of said further quadrilateral is parallel to a respective side of said quadrilateral.
  • each serpentine 201 , 202 has four sides and each duct C1 , C2, C3, C4 has four sides.
  • Each side of said ducts, for the part of said ducts passing through the first serpentine 201 is parallel to a side of the first serpentine 201
  • each side of said ducts, for the part of said ducts passing through the second serpentine 202 is parallel to a side of the second serpentine 202.
  • the duct C2, the third duct C3 and the fourth duct C4 are connected respectively to the first inlet 21 and the first outlet 23.
  • each of said ducts mentioned above shares the first inlet 21 and the first outlet 23 with the first duct C1 .
  • the second channel CH2, the third CH3 and the fourth channel CH4 are connected respectively to the second inlet 22 and the second outlet 24.
  • each of said channels mentioned above shares the second inlet 22 and the second outlet 24 with the first channel CH1 .
  • the heat exchanger 2 can have a structure having a shape different from the shape described above, without departing from the scope of the invention.
  • the heat exchanger can have a number of first inlets for receiving the beverage greater than one and a number of first outlets for the beverage greater than one (for example based on the a respective number of ducts in which a respective beverage to be cooled flows), as well as a number of said second inlets for receiving the refrigerant fluid greater than one and a number of second outlets greater than one (for example for a respective number of refrigerant fluids for cooling a respective number of beverage to be cooled), without departing from the scope of the invention.
  • the shape of the heat exchanger 2 is chosen to guarantee maximum heat exchange between a beverage and a refrigerant fluid.
  • first duct C1 for the passage of the beverage and the first channel CH1 for the passage of the refrigerant fluid pass through said first surfaces and said second surfaces.
  • said first surfaces and said second surfaces can be respective gyroids.
  • Figure 7A shows a second embodiment of the heat exchanger 2.
  • said heat exchanger 2 can comprise at least one first opening A1 , a second opening A2, a third opening A3, and a further channel CH for the passage of a fluid, wherein said further channel CH connects said first opening A1 to said second opening A2 and to said third opening A3.
  • Said further channel CH is integral with said heat exchanger 2.
  • said further channel CH is shaped to perform the function of an in-line carbonation device.
  • said heat exchanger 2 can comprise one or more further coupling elements 291 , each of which is arranged on a respective opening A1 , A2, A3 of said heat exchanger 2 for coupling/uncoupling a respective component (preferably a tube) to/from said heat exchanger 2.
  • said heat exchanger 2 comprises a respective further coupling element 291 arranged on each opening A1 , A2, A3.
  • Figure 8A shows a third embodiment of the heat exchanger 2.
  • said heat exchanger 2 can comprise at least one a first opening AT, a second opening A2’, a third opening A3’, and a further channel CH’ for the passage of a fluid, wherein said further channel CH’ connects said first opening AT to said second opening A2’ and to said third opening A3’.
  • Said further channel CH’ is integral with said heat exchanger 2.
  • said further channel CH’ is shaped to perform the function of a carbonation device.
  • said heat exchanger 2 can comprise one or more further coupling elements 29T, each of which is arranged on a respective opening AT, A2’, A3’ of said heat exchanger 2 for coupling/uncoupling a respective component (preferably a tube) to/from said heat exchanger 2.
  • said heat exchanger 2 comprises a respective further coupling element 29T arranged on each opening AT, A2’, A3’.
  • the fluid that flows in said further channel CH, CH' can be carbonated water or soda water.
  • said further channel CH, CH’ can be arranged in at least one space S between the first serpentine 201 and the second serpentine 202.
  • one or more spaces S can be at least partially occupied by said further channel CH, CH’.
  • one or more spaces S can be at least partially occupied by a quantity of one or more liquids (such as a fruit juice, syrup, soft drink, beer or whiskey), without departing from the scope of the invention.
  • each space may be occupied by a respective liquid or multiple spaces may be occupied by the same liquid.
  • a space S would perform the function of a container of liquid.
  • the dispensing system 1 for dispensing a beverage is designed to have smaller dimensions compared to a dispensing system of a known type and to have greater efficiency in cooling the beverage via the heat exchanger 2 included in said dispensing system 1 compared to a dispensing system of a known type.
  • a second advantage is given by the fact that the heat exchanger 2 of the dispensing system 1 , object of the invention, is configured to support one or more elements of the dispensing system itself.
  • a further advantage is that the dispensing system 1 , object of the invention, has a simplified structure compared to a dispensing system of a known type, due to the fact that the heat exchanger 2 of the dispensing system 1 can perform one or more functions of one or more devices and/or components present in a dispensing system of a known type, so as to reduce the number of components of the dispensing system and facilitate the assembly and maintenance of the dispensing system itself.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un système de distribution (1) pour distribuer une boisson. Ledit système de distribution (1) comprend un échangeur de chaleur (2) et ledit échangeur de chaleur (2) comprend : une première entrée (21) pour recevoir une boisson, une seconde entrée (22) pour recevoir un fluide frigorigène pour réfrigérer ladite boisson, une première sortie (23) pour ladite boisson, une seconde sortie (24) pour ledit fluide frigorigène, au moins un premier conduit (C1) pour le passage de ladite boisson reliant ladite première entrée (21) à ladite première sortie (23), au moins un premier canal (CH1) pour le passage dudit fluide frigorigène reliant ladite seconde entrée (22) à ladite seconde sortie (24), ledit échangeur de chaleur (2) étant un échangeur de chaleur métallique imprimé 3D.
PCT/IT2023/050263 2022-11-23 2023-11-23 Système de distribution de boisson comprenant un échangeur de chaleur métallique imprimé en 3d WO2024111010A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102022000024096 2022-11-23
IT202200024096 2022-11-23

Publications (1)

Publication Number Publication Date
WO2024111010A1 true WO2024111010A1 (fr) 2024-05-30

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PCT/IT2023/050263 WO2024111010A1 (fr) 2022-11-23 2023-11-23 Système de distribution de boisson comprenant un échangeur de chaleur métallique imprimé en 3d

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Country Link
WO (1) WO2024111010A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8026872U1 (de) * 1980-10-08 1981-01-22 Kuehltex Kuehl- Und Ausschankgeraete Gmbh, 5657 Haan Vorrichtung zur nachkuehlung von bier
US7013668B2 (en) * 1995-09-13 2006-03-21 Manitowoc Foodservice Companies, Inc. Apparatus for cooling fluids
US7373784B2 (en) * 2005-01-21 2008-05-20 Lancer Partnership Ltd. Methods and apparatus for beer dispensing systems
US7975989B2 (en) * 2002-10-04 2011-07-12 Lancer Partnership, Ltd Multiple brand ice beverage dispenser
US8757445B2 (en) * 2012-02-08 2014-06-24 Jon Joseph Robinson Cold block with embedded chambered beverage tap
EP2644562B1 (fr) * 2012-03-26 2015-03-11 CELLI S.p.A. Système pour la distribution de boissons réfrigérées
GB2554053A (en) * 2016-07-05 2018-03-28 Filton Brewery Products Ltd Beverage storage and dispensing
US20200094322A1 (en) * 2018-09-21 2020-03-26 Battelle Energy Alliance, Llc Heat exchangers fabricated by additive manufacturing, related components, and related methods
US20210245246A1 (en) * 2020-02-10 2021-08-12 Ut-Battelle, Llc Compliant heat exchangers, heat pipes and methods for making same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8026872U1 (de) * 1980-10-08 1981-01-22 Kuehltex Kuehl- Und Ausschankgeraete Gmbh, 5657 Haan Vorrichtung zur nachkuehlung von bier
US7013668B2 (en) * 1995-09-13 2006-03-21 Manitowoc Foodservice Companies, Inc. Apparatus for cooling fluids
US7975989B2 (en) * 2002-10-04 2011-07-12 Lancer Partnership, Ltd Multiple brand ice beverage dispenser
US7373784B2 (en) * 2005-01-21 2008-05-20 Lancer Partnership Ltd. Methods and apparatus for beer dispensing systems
US8757445B2 (en) * 2012-02-08 2014-06-24 Jon Joseph Robinson Cold block with embedded chambered beverage tap
EP2644562B1 (fr) * 2012-03-26 2015-03-11 CELLI S.p.A. Système pour la distribution de boissons réfrigérées
GB2554053A (en) * 2016-07-05 2018-03-28 Filton Brewery Products Ltd Beverage storage and dispensing
US20200094322A1 (en) * 2018-09-21 2020-03-26 Battelle Energy Alliance, Llc Heat exchangers fabricated by additive manufacturing, related components, and related methods
US20210245246A1 (en) * 2020-02-10 2021-08-12 Ut-Battelle, Llc Compliant heat exchangers, heat pipes and methods for making same

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