WO2004089173A2 - Steam automatic dispensing device for preparing hot and/or frothed drinks - Google Patents
Steam automatic dispensing device for preparing hot and/or frothed drinks Download PDFInfo
- Publication number
- WO2004089173A2 WO2004089173A2 PCT/IB2004/001201 IB2004001201W WO2004089173A2 WO 2004089173 A2 WO2004089173 A2 WO 2004089173A2 IB 2004001201 W IB2004001201 W IB 2004001201W WO 2004089173 A2 WO2004089173 A2 WO 2004089173A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- duct
- steam
- way
- air
- drink
- Prior art date
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
- A47J31/4489—Steam nozzles, e.g. for introducing into a milk container to heat and foam milk
Definitions
- the present invention refers to a steam automatic dispensing device for preparing hot and/or frothed drinks.
- the invention is employed as an accessory separated or integrated of the espresso coffee machine for bar, for producing frothed hot milk to be used for instance for preparing cappuccinos.
- the operator uses a container within which he pours a certain amount of milk, inside which he introduces steam through a jet simultaneously shaking the container, so td generate a certain turbulence inside the milk and to add in the environmental air needed for producing froth.
- the qualities and the quantity of the produced froth depend on the way the milk is shaken and on the amount of steam introduced, and they are therefore linked to the sensibility and experience of each operator. It follows that such features, and then the ones of the cappuccino within which the frothed milk is used, vary from operator to operator and they can be completely unsatisfactory to the client even deemed to be excellent by the operator.
- a solution to the problem of how making the quality of the obtained product independent from the operator is the subject of the international patent application WO 01/97668, in the name of the applicant.
- Such patent application discloses a device essentially consisting of a container within which milk to be heated and to be frothed can be poured, inside which are provided a first duct for introducing steam in milk and a second duct, joined to said first duct, for introducing in milk the air needed for producing froth.
- the duct for steam dispensing is provided with a radial opening for the exit of steam and the duct for air ends with an axial opening placed in front of said radial opening of the steam duct.
- the steam dispensing from said radial opening produces a depression that in its turn causes the air suction through the corresponding duct, the steam effusion velocity generates a turbulence at the bottom of milk causing that it is heated and mixed with air and a milk-air-steam mixture is therefore produced directly inside milk, with consequent froth formation.
- the device above illustrated proves to be not much versatile, because it always provides the production of a milk-air-steam mixture and it makes impossible, for instance, the production of hot milk without froth.
- Another object of the present invention is to realise a device for heating and/or preparing froth of a liquid having limited size, that can be easily used in association with a professional coffee machine.
- a further object of the present invention is to realise a device for heating and/or preparing froth of a liquid that allows to control the temperature of the liquid to be heated.
- the device according to the invention comprises a first duct to introduce steam and a second duct through which it is possible to introduce air inside a liquid to be heated in order to obtain the formation of froth.
- each of said ducts is connected to an electrovalve: the user can select the kind of wanted drink and, on the basis of said selection, a microprocessor controls the opening and the closing of said electrovalves, so to permit or prevent according to a preset cycle the introduction of air and steam in the drink.
- Said microprocessor can be equipped with a storage within which a plurality of operating cycles are stored, corresponding to a plurality of drinks that can be prepared with said device.
- Each of said operating cycles provides a sequence of steps of preset duration of opening and closing of each valve.
- the device according to the invention can further comprise a sensor for measuring the temperature, so to control the temperature of the liquid to be heated and/or frothed and, in case, to correct the parameters of the above-mentioned operating cycles in order to obtain a drink at the desired temperature.
- FIG. 1 is a schematic side view of the ducts dispensing steam and air of the device according to the invention
- FIG. 2a is a scheme of a first embodiment of the device according to the invention.
- - Figure 2b is a scheme of a second embodiment of the device according to the invention
- - Figure 3 is a block diagram of the electronic control unit of the device according to the invention
- FIG. 4 is a graph showing the opening and closing steps of the valves in an example of preparing cycle of a drink.
- an embodiment of the device according to the invention comprises a first duct 13 for steam and a second duct 15 for air.
- said ducts are immersed into the liquid, for instance milk, contained inside a container 11.
- the steam duct 13 has the lower end 13a closed and it is provided, near said end, with a radial hole 17.
- the air duct 15, having a diameter smaller than the one of the steam duct, has the end portion 19 tapered and it ends with an axial opening 21, placed in front of said radial hole 17 of said steam duct 13.
- a temperature electronic sensor 23, fit for measuring the temperature of the liquid to be heated, is further fastened to one of said ducts 13, 15. Said sensor 23 is electrically connected to an electronic control unit through a couple of conductors passing inside a protective sheath 25.
- the air duct 15 is provided with a first three-way electrovalve 16, whose remaining two ways are connected one to the outside environment through a suction pipe 33 that has the end 35 open and the other to a second three-way electrovalve 14 through an intermediate pipe 31.
- the remaining two ways of said second electrovalve 14 are in their turn connected one to said steam duct 13 and the other to a steam source 27 through a dispensing pipe 29.
- one and/or the other of said ducts 13, 15 can be put in communication with said steam source 27 or with the outside environment.
- the intermediate pipe 31 that connects the two electrovalves 14, 16 it is possible to introduce steam into the liquid to be heated through both said ducts 13, 15, or, alternatively, to simultaneously introduce into said liquid steam through duct 13 and air through duct 15.
- said first electrovalve 16 is positioned so to close the intermediate pipe 31 and to put in communication the suction pipe 33 with the air duct 15, the steam generated from said steam source 27 will only reach the steam duct 13, while the air duct 15 will be reached by the air sucked from the outside environment and it will be therefore obtained the froth formation during the liquid heating.
- said steam source 27 consists of a steam jet of an espresso coffee machine for bar and, to this purpose, said pipe 29 can be equipped with means to be tight fastened to said steam jet.
- the device according to the invention can be provided with an autonomous steam generator and it can therefore be used independently from other apparatuses for bar .
- FIG. 2b a second embodiment of the device according to the invention is shown.
- the first three-way electrovalve 16 instead of being connected through the intermediate pipe 31 to the second three-way electrovalve 14, is directly connected through a pipe 37 to the pipe 29 carrying steam from the source 27 to the second electrovalve 14 (alternatively, pipe 37 could be connected to duct 13 immediately downstream the second electrovalve 14 as shown in Figure 2b with the dotted line) .
- the second three-way electrovalve 14 can be advantageously equipped with a pipe 39 open to the outside at 43 in order to allow the downwards easy flow by gravity of the liquid in case present in the duct 13 that, otherwise, should tend to clog, when said second valve 14 is positioned so to allow the passage from pipe 41 to duct 13.
- FIG. 3 is a block diagram that illustrates in a simplified way the electronic control unit 51 of the device according to the invention.
- Said control unit 51 comprises a selector 53 onto which the user can select the kind of wanted drink.
- the selection carried out onto the selector 53 controls a microprocessor 55, provided with a storage 57, within which the data relevant to the operating cycle corresponding to each possible user's selection are stored.
- microprocessor 55 On the basis of the instructions stored inside the storage 57 said microprocessor 55 performs a cycle based on a sequence of opening and closing steps of each electrovalve 14, 16. Said microprocessor 55 is further connected to the temperature sensor 23, if this is present. On the basis of the temperature-indicative signal sent by said sensor 23, the microprocessor 55 can modify the duration of the different steps of the opening and closing cycle of the electrovalves stored inside the storage 57 in order to obtain a drink with the optimum temperature and froth amount .
- Figure 4 is reproduced a graph that illustrates the operating cycle of the device according to the invention in case of preparing a cappuccino.
- said first electrovalve 16 and said second electrovalve 14 are maintained in such a position to simultaneously send steam to both the ducts 13 and 15 and to prevent air entering through the suction pipe 35.
- the first electrovalve 16 When milk reaches a preset temperature TI, for instance about 35 °C (or after a fixed time when the temperature control is not present) , in a second step II, shown with a continuous line in the graph, the first electrovalve 16 is positioned so to allow the air entering through the duct 15 and to prevent steam passing from the intermediate pipe 31. Said first electrovalve is maintained open up to a preset temperature T2 (or for a fixed time when the temperature control is not present), for instance of 5°C under the final wanted temperature T3 (in the example 65 °C) .
- said first electrovalve 16 is again positioned so to allow the steam entering also through duct 15 and to prevent air suction through the suction pipe 35.
- the ducts of the device according to the invention are directly connected to the steam jet of a professional espresso coffee machine, by following the teachings of WO 01/97668 it will be possible to provide a device comprising a container for the liquid to be heated, wherein said ducts are fastened to said container.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Apparatus For Making Beverages (AREA)
- Devices For Dispensing Beverages (AREA)
- Dairy Products (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/550,694 US7487711B2 (en) | 2003-04-09 | 2004-04-05 | Steam automatic dispensing apparatus for preparing hot and/or frothed drinks |
DE602004015754T DE602004015754D1 (en) | 2003-04-09 | 2004-04-05 | AUTOMATIC STEAM POWDER FOR THE PREPARATION OF HOT AND / OR CREAMED BEVERAGES |
AU2004228777A AU2004228777B2 (en) | 2003-04-09 | 2004-04-05 | Steam automatic dispensing device for preparing hot and/or frothed drinks |
EP04725765A EP1610658B1 (en) | 2003-04-09 | 2004-04-05 | Steam automatic dispensing device for preparing hot and/or frothed drinks |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2003A000271 | 2003-04-09 | ||
IT000271A ITTO20030271A1 (en) | 2003-04-09 | 2003-04-09 | AUTOMATIC STEAM DISPENSER DEVICE FOR THE PREPARATION OF HOT AND / OR FOAM DRINKS. |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004089173A2 true WO2004089173A2 (en) | 2004-10-21 |
WO2004089173A3 WO2004089173A3 (en) | 2004-12-16 |
Family
ID=33156367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2004/001201 WO2004089173A2 (en) | 2003-04-09 | 2004-04-05 | Steam automatic dispensing device for preparing hot and/or frothed drinks |
Country Status (10)
Country | Link |
---|---|
US (1) | US7487711B2 (en) |
EP (1) | EP1610658B1 (en) |
CN (1) | CN100455239C (en) |
AT (1) | ATE404096T1 (en) |
AU (1) | AU2004228777B2 (en) |
DE (1) | DE602004015754D1 (en) |
ES (1) | ES2311817T3 (en) |
IT (1) | ITTO20030271A1 (en) |
PT (1) | PT1610658E (en) |
WO (1) | WO2004089173A2 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1949829A1 (en) * | 2007-01-23 | 2008-07-30 | RANCILIO MACCHINE PER CAFFE' S.p.A. | Device for heating and/or frothing a beverage |
EP2070456A1 (en) * | 2007-10-17 | 2009-06-17 | Nuova Simonelli S.p.A. | Steam dispenser |
WO2009132743A1 (en) | 2008-04-30 | 2009-11-05 | Eugster/Frismag Ag | Method for preparing and dispensing milk foam or a drink, device for carrying out the method, espresso machine comprising such a device and preparation vessel for use in such a device or espresso machine |
WO2010121299A1 (en) * | 2009-04-20 | 2010-10-28 | Sunbeam Corporation Limited | Steam wand |
WO2011048078A2 (en) | 2009-10-22 | 2011-04-28 | Elektra S.R.L. | Milk frothing method and milk frothing device for implementing the method |
EP2534986A1 (en) | 2011-06-17 | 2012-12-19 | Wmf Württembergische Metallwarenfabrik Ag | Device for heating and foaming a beverage |
US9301635B2 (en) | 2008-04-30 | 2016-04-05 | Eugster/Frismag | Method of producing a drink, and drinks-preparing device for implementing the method |
US10117541B2 (en) | 2006-12-06 | 2018-11-06 | RHEAVENDORS SERVI CES, S.p.A. | Beverage dispensing machine and operating method |
AU2020294225B2 (en) * | 2011-05-10 | 2023-05-18 | Breville Pty Limited | Apparatus and method for an improved coffee maker |
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TW200633668A (en) * | 2005-03-24 | 2006-10-01 | Benq Corp | Drink maker |
DE602008006358D1 (en) * | 2007-02-20 | 2011-06-01 | Koninkl Philips Electronics Nv | DEVICE FOR PREPARING BEVERAGES WITH A EASILY CLEANING SYSTEM AND MINIMUM WET CONTENT |
EP2025270B1 (en) * | 2007-08-16 | 2017-04-12 | Cafina AG | Device for foaming and heating up milk |
GB2469874B (en) * | 2009-05-01 | 2012-09-19 | Kraft Foods R & D Inc | Beverage preparation machines |
IT1394980B1 (en) * | 2009-07-30 | 2012-08-07 | Tecnorama Srl | DEVICE FOR DETERMINATION OF DYES IN SOLUTION OR DISPERSION INTENDED FOR THE PREPARATION OF DYEING BATHS FOR TEXTILE MATERIALS. |
IT1400265B1 (en) * | 2010-05-28 | 2013-05-24 | Gruppo Cimbali Spa | DEVICE FOR HEATING AND MOUNTING THE MILK AND ITS METHOD |
CH703364A2 (en) * | 2010-06-24 | 2011-12-30 | Eversys Ag | An apparatus for treating a liquid, preferably milk, with a steam-carrying dip tube. |
US20120073448A1 (en) * | 2010-09-23 | 2012-03-29 | Husted Royce Hill | Coffee maker with computerized steeping control |
EP2651270B1 (en) | 2010-12-16 | 2017-02-15 | Briggo, LLC | Apparatus and method for brewed and espresso drink generation |
WO2014144358A1 (en) * | 2013-03-15 | 2014-09-18 | Briggo, Inc. | Frothing assembly and method of operating the same |
RU2680647C2 (en) * | 2013-04-10 | 2019-02-25 | Уильям Вестмор ПЕРТОН | Espresso milk frother |
CN103393351A (en) * | 2013-08-05 | 2013-11-20 | 广东万事泰集团有限公司 | Method for conducting milk foaming on milk by using ultrasonic waves |
US20150316256A1 (en) * | 2014-05-02 | 2015-11-05 | Air Products And Chemicals, Inc. | Oil Burner With Monitoring |
US10043226B2 (en) | 2014-07-22 | 2018-08-07 | Briggo, Inc. | Facilitating beverage ordering and generation |
EP3232878B1 (en) * | 2014-12-18 | 2019-03-06 | Luigi Lavazza S.p.A. | Device for heating and frothing milk and wand for such a device |
CH710913B1 (en) * | 2015-03-26 | 2020-03-31 | Steiner Ag Weggis | Process and steam lance for producing milk foam. |
AU2016240389B2 (en) * | 2015-03-30 | 2019-04-18 | Breville Pty Limited | Improved apparatus and method for frothing milk |
US10258191B2 (en) * | 2015-09-18 | 2019-04-16 | Starbucks Corporation | Beverage dispensing systems and methods |
ITUB20155711A1 (en) * | 2015-11-18 | 2017-05-18 | Ambrodesign Di Marco Ambrosini | WASHING AND HYGIENIZING DEVICE FOR STEAM LANCES OF COFFEE MACHINES |
US11083328B2 (en) | 2017-06-22 | 2021-08-10 | Starbucks Corporation | Apparatus and method for foaming a beverage |
IT201800001717A1 (en) * | 2018-01-24 | 2019-07-24 | De Longhi Appliances Srl | DEVICE FOR HEATING AND EMULSION OF BEVERAGES |
TWI686156B (en) * | 2018-08-24 | 2020-03-01 | 吉諾工業有限公司 | Beverage conveying device |
US11058250B2 (en) | 2018-09-06 | 2021-07-13 | Starbucks Corporation | Apparatus for foaming a beverage |
US11478106B2 (en) * | 2019-04-26 | 2022-10-25 | Digital Heat Technology Ltd. | Portable baby food warmer |
CN110279298B (en) * | 2019-07-31 | 2021-02-02 | 宁波卜合电器有限公司 | Coffee machine and method for cleaning a milk foam preparation system of a coffee machine |
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WO2001097668A1 (en) | 2000-06-23 | 2001-12-27 | Rancilio Macchine Per Caffe' S.P.A. | Automatic device for heating and frothing a liquid, in particular milk |
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2004
- 2004-04-05 AT AT04725765T patent/ATE404096T1/en not_active IP Right Cessation
- 2004-04-05 DE DE602004015754T patent/DE602004015754D1/en not_active Expired - Lifetime
- 2004-04-05 PT PT04725765T patent/PT1610658E/en unknown
- 2004-04-05 WO PCT/IB2004/001201 patent/WO2004089173A2/en active IP Right Grant
- 2004-04-05 ES ES04725765T patent/ES2311817T3/en not_active Expired - Lifetime
- 2004-04-05 EP EP04725765A patent/EP1610658B1/en not_active Expired - Lifetime
- 2004-04-05 US US10/550,694 patent/US7487711B2/en active Active
- 2004-04-05 AU AU2004228777A patent/AU2004228777B2/en not_active Ceased
- 2004-04-05 CN CNB2004800094889A patent/CN100455239C/en not_active Expired - Fee Related
Patent Citations (1)
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WO2001097668A1 (en) | 2000-06-23 | 2001-12-27 | Rancilio Macchine Per Caffe' S.P.A. | Automatic device for heating and frothing a liquid, in particular milk |
Cited By (18)
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US11154160B2 (en) | 2006-12-06 | 2021-10-26 | RHEAVENDORS SERVICES SpA. | Beverage dispensing machine and operating method |
US10117541B2 (en) | 2006-12-06 | 2018-11-06 | RHEAVENDORS SERVI CES, S.p.A. | Beverage dispensing machine and operating method |
US8962053B2 (en) | 2007-01-23 | 2015-02-24 | Rancilio Group Spa | Device for heating and/or frothing a beverage |
WO2008090482A1 (en) * | 2007-01-23 | 2008-07-31 | Rancilio Macchine Per Caffe' S.P.A. | Device for heating and/or frothing a beverage |
EP1949829A1 (en) * | 2007-01-23 | 2008-07-30 | RANCILIO MACCHINE PER CAFFE' S.p.A. | Device for heating and/or frothing a beverage |
AU2008208629B2 (en) * | 2007-01-23 | 2014-04-03 | Rancilio Group S.p.A. | Device for heating and/or frothing a beverage |
EP2070456A1 (en) * | 2007-10-17 | 2009-06-17 | Nuova Simonelli S.p.A. | Steam dispenser |
WO2009132743A1 (en) | 2008-04-30 | 2009-11-05 | Eugster/Frismag Ag | Method for preparing and dispensing milk foam or a drink, device for carrying out the method, espresso machine comprising such a device and preparation vessel for use in such a device or espresso machine |
US9635974B2 (en) | 2008-04-30 | 2017-05-02 | Eugster/Frismag Ag | Device for preparing and dispensing milk foam or a drink, espresso machine comprising such a device and preparation vessel for use in such a device or espresso machine |
US9301635B2 (en) | 2008-04-30 | 2016-04-05 | Eugster/Frismag | Method of producing a drink, and drinks-preparing device for implementing the method |
AU2010239136B2 (en) * | 2009-04-20 | 2016-04-14 | Newell Australia Pty Ltd | Steam wand |
WO2010121299A1 (en) * | 2009-04-20 | 2010-10-28 | Sunbeam Corporation Limited | Steam wand |
WO2011048078A2 (en) | 2009-10-22 | 2011-04-28 | Elektra S.R.L. | Milk frothing method and milk frothing device for implementing the method |
AU2020294225B2 (en) * | 2011-05-10 | 2023-05-18 | Breville Pty Limited | Apparatus and method for an improved coffee maker |
DE102011077776B4 (en) * | 2011-06-17 | 2013-11-14 | Wmf Württembergische Metallwarenfabrik Ag | Device for heating and frothing a beverage product |
DE102011077776A1 (en) | 2011-06-17 | 2012-12-20 | Wmf Württembergische Metallwarenfabrik Ag | Device for heating and frothing a beverage product |
US9474408B2 (en) | 2011-06-17 | 2016-10-25 | Wmf Group Gmbh | Apparatus for heating and frothing a beverage product |
EP2534986A1 (en) | 2011-06-17 | 2012-12-19 | Wmf Württembergische Metallwarenfabrik Ag | Device for heating and foaming a beverage |
Also Published As
Publication number | Publication date |
---|---|
US20060272516A1 (en) | 2006-12-07 |
CN100455239C (en) | 2009-01-28 |
AU2004228777A1 (en) | 2004-10-21 |
CN1771001A (en) | 2006-05-10 |
ITTO20030271A1 (en) | 2004-10-10 |
ES2311817T3 (en) | 2009-02-16 |
EP1610658A2 (en) | 2006-01-04 |
DE602004015754D1 (en) | 2008-09-25 |
EP1610658B1 (en) | 2008-08-13 |
WO2004089173A3 (en) | 2004-12-16 |
AU2004228777B2 (en) | 2009-09-24 |
US7487711B2 (en) | 2009-02-10 |
ATE404096T1 (en) | 2008-08-15 |
PT1610658E (en) | 2008-11-18 |
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