• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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  • 优先权
    • 专利摘要:
    DRINK PREPARATION MACHINES The present invention relates to the preparation of drinks configured by means of a machine assembly comprising: an outlet nozzle assembly which is supplied to a dispensing machine by dispensing an outlet nozzle through it. exit and a second exit; and one or more ducts arranged to selectively distribute fluid to the first outlet or the second outlet.
    公开号:BR112015002823B1
    申请号:R112015002823-3
    申请日:2013-07-18
    公开日:2020-12-01
    发明作者:Nicholas Hansen；Mark Norton
    申请人:Koninklijke Douwe Egberts B.V；
    IPC主号:
    专利说明:

    The present invention relates to improvements in beverage preparation machines and, in particular, to a beverage preparation machine of the type that uses prepackaged containers of beverage ingredients.
    Cafeterias have been a part of "coffee culture" since the 17th century. Over the years, methods for making coffee have been refined and knowledgeable people have trained to produce the best coffee drinks. The first coffee machines were developed in the early 1800s and an automatic espresso machine was invented in the 1930s. Automation of the coffee making process has, in turn, led to rapid growth, particularly in the last ten years, of the number of coffee shops / coffee shops with more specialty drinks, such as espresso and cappuccino, which are in high demand. These types of drinks have historically been considered luxury items because of the need for complex and expensive machines that have the capacity to produce the high pressures necessary to make them, which had to be maintained and operated properly by a trained barista to produce good quality. Coffee aficionados agree that an espresso can be spoiled by a poorly trained operator, despite the use of a good quality machine and good quality coffee. This trend, however, has not only led to high consumer demand for high-quality luxury drinks, but also a desire for a greater variety of specialty drinks and the ability to make such drinks in the comfort of your own home.
    Although there is no agreed technical definition, it is generally understood that compared to espresso coffee, barista-quality espresso has a thicker consistency, due to a higher amount of dissolved solids and thin drops of oil suspended throughout the drink. The same one has a dark reddish brown cream, but thick, smooth that reaches 10 to 30% of the drink. The cream is a polyphasic emulsion of air and the oils, proteins and sugars extracted from coffee that are produced at a high pressure, traditionally in the region of 0.9 to 1 MPa (9 to 10 bar). The higher pressures increase the rate of coffee wetting and improve the extraction, as well as being responsible for the development of the cream. Air is drawn into the drink as it is prepared to produce the desired cream.
    Demanding espresso consumers recognize that espresso coffee produced using water that is colder than the ideal temperature tastes sour and that produced with water that is hotter than that temperature tastes bitter. The ideal temperature is claimed to be between 92 and 96 ° C. Other factors that affect the quality of espresso coffee include roasting and the age of coffee beans, the size of the ground bean, the compaction of the ground beans before preparation and the time of preparation. The "best" espresso is achieved by balancing these key elements of the brewing process.
    Domestic coffee machines have also developed significantly, since the first filter machines were invented in the 1960s, and coffee machines are now essential pieces of kitchen equipment in many household appliances. Some such machines dispense individual portions of a beverage directly into a beverage receptacle, and produce the beverage from a bulk supply of beverage ingredients or from individual packages of beverage ingredients, such as sachets, capsules or cartridges. In the following descriptive report, such packaging will be referred to by the cartridges in general terms. Machines using such cartridges require much less cleaning and can allow the user to make a selection of drinks. Drinks are formed by preparing, mixing, dissolving or suspending beverage ingredients in water. For example, for coffee drinks, the heated water is forced through the cartridge to form the extracted solution. The cartridge can be designed so that the air becomes entrained to produce a desired cream or foam. The extracted solution passes through a conduit to an outlet nozzle provided at a dispensing station. The dispensing station comprises a platform on which a receptacle can be supported. The spout is positioned above the platform in such a way that the drink is dispensed through the spout and into the receptacle. Cleaning can be performed using a steam purge, that is, passing steam through the duct. The use of cartridges in domestic coffee machines has become increasingly popular due to the convenience and quality of the beverage produced therein. An example of a beverage preparation machine using cartridges is described in EP-A-1440644, and examples of cartridges are described in EP-A-1440903.
    With changing consumer trends, however, there is a desire for household machines that have the capacity to produce barista-quality espresso coffee and a range of other drinks, for which no training is necessary, that are affordable and require little or no cleaning.
    As mentioned above, a lot of effort was directed to ensure that the coffee produced by such machines is of the highest quality. In particular, attention has been paid to ensuring that barista-quality espresso is produced in a way that has the different cream. It is also desired that the beverage preparation machine has the capacity to dispense other drinks, such as "regular" coffee, tea, hot milk and hot chocolate, in which the quality of each drink dispensed is as high as possible.
    Against this background, the present invention provides a beverage preparation machine configured to dispense a beverage via an outlet nozzle assembly, wherein the machine comprises an outlet nozzle assembly which has a first outlet and a second outlet, and one or more conduits arranged to selectively distribute beverage to the first outlet or the second outlet.
    Outputs can be selected from a range of alternatives. One of the outlets will comprise a dispensing orifice for dispensing beverage to a beverage receptacle. As will be described in detail below, the dispensing hole can be attached to a waste outlet, or two dispensing holes with different sized holes can be provided. Also, three outlets that correspond to a pair of distribution holes with differently sized holes and a waste outlet can be provided.
    Providing dispensing holes with different sized holes allows better quality drinks to be produced. This is due to the fact that the distribution of different drinks requires different flow rates and gas / liquid ratios, as well as liquids that have a range of rheological properties. For example, the preparation and distribution of an espresso is carried out at low flow rates (typically between 1 ml-1 and 2 ml "x), in which case the first dispensing orifice with the smallest hole is more suitable for dispensing the For other beverages, such as tea, chocolate and coffee cream, the brewing and dispensing process is performed at a higher flow rate (typically up to approximately 5 ml-1). with the larger hole it is more suitable for dispensing the drink. The present invention allows a dispensing orifice to be selected, which is more suitable for the drink being prepared.
    Providing a separate waste outlet allows the waste to be directed out of the beverage dispensing station, for example, to be collected in an exclusive waste receptacle. Although the beverage is delivered to the dispensing orifice through a conduit, a common or different fluid can be supplied at the waste outlet.
    For example, water or steam can be provided as a purge between beverage dispensing operations. For example, a single duct can be provided to serve all outlets, and a steam purge can be used to clean the duct after dispensing a drink.
    Multiple conduits can load the drink for the outlet nozzle assembly, with a conduit that is provided for each outlet. However, it is preferable for a single conduit to be provided that is arranged for selective drink distribution for the first outlet or the second outlet. The outlet nozzle assembly can be arranged to move between a first position where the first outlet is aligned for the distribution of fluid from the conduit and a second position where the second outlet is aligned for the distribution of fluid from of the flue. For example, the outlet nozzle assembly can be provided in a sliding drawer.
    Preferably, the conduit is arranged to move between a first position in which a conduit outlet is aligned to dispense fluid to the first outlet, and a second position in which the conduit outlet is aligned to dispense fluid to the second outlet. This can be achieved by making the duct flexible and providing an actuator arranged to move the duct outlet from one of the first and second positions to the other of the first and second positions. Optionally, the conduit entry is fixed in position. The actuator can be any device capable of moving the flexible conduit, such as a tongue or claw that deflects the conduit. The conduit can be a flexible hose that is fixed at one end (the inlet) and is free to move at its other end (the conduit exit where the drink is passed to the first and second exits). The actuator can move the flexible conduit from the first outlet to the second outlet and / or from the second outlet to the first outlet. The actuator may comprise a single device for executing the movement in both modes, for example, a gripper for holding the conduit to allow the conduit to be moved towards and out of the second exit.
    In an observed modality, the conduit is resilient and is willing to occupy the first or second position in its relaxed state. With such an arrangement, the actuator need only move the duct out of the relaxed position. For example, if the conduit is arranged to align with the first outlet in its relaxed state, then the actuator needs only to deflect the conduit to align with the second outlet: By simply releasing the conduit, you will see even return to alignment with the first exit.
    As noted above, one of the exits of the outlet nozzle assembly may comprise a waste outlet arranged to transfer waste to a waste receptacle. This can be used during a steam purge. For example, the beverage preparation machine may comprise a single conduit arranged to selectively deliver beverage to a first dispensing port, or a second dispensing port, if present, or to deliver fluid to the waste outlet. The conduit can be aligned with the waste outlet, and the steam purge is operated in such a way that the steam passes through the conduit to clean the conduit. The waste will then pass along the waste outlet and can be collected in the waste receptacle. As described above, the outlet nozzle assembly or conduit can be moved to cause the conduit and one of the first dispensing orifice, any second dispensing orifice and the waste outlet to line up. Also, as described above, an actuator can be used to divert an outlet from a flexible conduit between the alignment for a beverage dispensing to the first dispensing port, any second dispensing port and the waste outlet.
    The waste outlet can comprise a channel that is optionally arranged to guide the waste stream down and to the side. The channel can end in a hole provided at the base of the channel or on the side of the outlet nozzle assembly. This arrangement allows the waste to be directed out of the first dispensing orifice and any second dispensing orifice, and takes the waste into a waste receptacle. The waste receptacle can be provided inside the beverage preparation machine, for example inside a housing.
    The beverage preparation machine may comprise a dispensing station in which the first dispensing port and any second dispensing port are provided above a platform for supporting a beverage receptacle, such as a cup or mug. Where the first and second dispensing orifices are provided, they can be arranged side by side, so that the orifice is also capable of dispensing the drink in a receptacle placed on the platform. Where a second dispensing orifice is provided, one can have a larger hole than the first dispensing orifice and one can have a simple hole formed through the outlet nozzle assembly. For example, the second dispensing hole can be a cylindrical hole.
    Advantageously, the first dispensing orifice can have a smaller hole than the second dispensing orifice and can have an enlarged inlet. For example, the first delivery port may comprise a chamber for collecting fluid, and may have a hole extending from the base of the chamber, through the outlet nozzle assembly. In this way, any beverage not sufficiently accurately distributed to pass directly through the hole in the first dispensing hole can be collected in the chamber of the first dispensing hole. Alternatively, the conduit can be aligned with the chamber part of the first dispensing orifice and displaced from the orifice of the first dispensing orifice, such that the drink is dispensed in the chamber. The drink can then group and flow into the orifice to be dispensed from it. The chamber can tilt towards the orifice to help guide the drink through the orifice. A similar arrangement can be used for the second delivery port.
    Optionally, upright walls divide the outlets, for example, the first and the second dispensing orifice, or a dispensing orifice and a waste outlet, or the first and second dispensing orifice and a waste outlet. This separation with walls helps to prevent cross-contamination of drinks / waste from one outlet to another.
    Optionally, the outlet nozzle assembly is removable. This is to facilitate cleaning. For example, the outlet nozzle assembly can slide in and out of position, and can be retained by any convenient means.
    The present invention also provides a method for dispensing beverages from a 10 beverage preparation machine comprising an outlet nozzle assembly which has a first outlet and a second outlet provided thereto, and one or more ducts arranged to dispense selectively drunk on the first or second outing. The method comprises: (a) passing the fluid through one of one or more conduits that are aligned to distribute fluid at the first outlet; and (b) passing the fluid through one of one or more conduits that are aligned to distribute fluid to the second outlet.
    Optionally, a single conduit dispenses fluid for the first and second exits, and the method comprises: before step (a), ensure that the conduit is aligned to distribute fluid to the first outlet and, if not, cause the movement relative between the first outlet and the conduit bring the conduit in alignment to distribute 25 fluid to the first outlet; and, before step (b), ensure that the conduit is aligned to distribute fluid to the second outlet and, if not, cause the relative movement between the second outlet and the conduit to bring the conduit into alignment to distribute fluid to the second outlet .
    Optionally, the first outlet is a first distribution port and the second outlet is a waste outlet. Then, step (a) can comprise passing the drink through the aligned conduit to distribute the drink to the first dispensing port, through which it causes the drink to be dispensed from the first dispensing port. Step (b) can then comprise passing the fluid through the aligned conduit to distribute fluid to the waste outlet. For example, steam can be passed through the duct.
    Optionally, the first outlet is a first delivery port and the second outlet is a second delivery port, where the first delivery port has a smaller hole than the second delivery port. Then, step (a) may comprise passing the drink through the aligned conduit to deliver the drink to the first dispensing port at a relatively low flow rate, whereby the drink is dispensed from the first 20 port. distribution. Step (b) can then comprise passing the drink through the aligned duct to deliver the drink to the second dispensing port at a relatively high flow rate, whereby the drink is dispensed from the second outlet port. 25 distribution. The outlet nozzle assembly may additionally comprise a waste outlet, and the method may further comprise passing a fluid through an aligned conduit for delivery to the waste outlet.
    Other preferred features of the invention are defined in the appended claims.
    Preferred embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings in which:
    Figure 1 is a front perspective view of a prior art beverage preparation machine with the cartridge head in a closed position;
    Figure 2 is a front perspective view of the machine in Figure 1, with the cartridge head in an open position;
    Figure 3 is a rear elevation of the machine in Figure 1 with some parts omitted for clarity;
    Figure 4 is a front perspective view of a cartridge head for the machine of Figure 1, with some parts omitted for clarity;
    Figure 5 is another front perspective view of the cartridge head of Figure 4, with some parts omitted for clarity;
    Figure 6 is a cross-sectional view of the cartridge head of Figure 4 in a closed position that favors a beverage cartridge;
    Figure 7 is a lateral elevation in cross section of the cartridge head of Figure 4 in an open position that favors the beverage cartridge;
    Figure 8 is a perspective view of an outlet nozzle assembly, according to a first embodiment of the present invention;
    Figure 9 is the section through part of the outlet nozzle assembly of Figure 8, taken along line IX-IX;
    Figure 10 is a perspective view of the outlet nozzle assembly of Figure 8 and showing a nozzle in a first position for dispensing drink through a wide hole for dispensing the hole;
    Figure 11 is a perspective view of the outlet nozzle assembly of Figure 8 and showing a nozzle in a second position for dispensing drink through a wide dispensing hole in the hole;
    Figure 12 is a perspective view of the outlet assembly of the nozzle of Figure 8 and showing the nozzle in a third position aligned with a waste channel during a steam purge;
    Figures 13 and 14 are schematic views of the nozzle and an actuator to move the nozzle between the first position where the nozzle is aligned with the wide hole for distribution to the hole and the third position where the nozzle is aligned with the waste channel;
    Figure 15 is a perspective view of an outlet nozzle assembly, according to a second embodiment of the present invention; and
    Figure 16 is a section through the exit nozzle assembly part of Figure 15, along line XVI-XVI.
    In order to satisfy the desired wide selection of good quality beverage types, with different characteristics, the present invention involves one or more significant improvements to know the beverage preparation machines. The beverage machine may comprise a soda dispenser, beer pump or the like. The present invention takes advantage of the particular benefit when used with beverage preparation machines to prepare hot drinks such as coffee, tea, hot chocolate and hot milk. In particular, the enhancements provided by the present invention allow the production of good quality espresso coffees with a high quality cream, still provide a design that is easy to keep clean and hygienic, and that has the capacity to supply other high quality drinks.
    The improvements will be described in reference to a known beverage preparation machine 10 which is illustrated in Figures 1 to 7 of the accompanying drawings. It should be noted, however, that the improvements find application in a wide range of beverage preparation machines that may or may not be able to use a wide range of cartridges that, as noted above, include sachets, capsules, rigid cartridges and semi-rigid.
    The beverage preparation machine 10 of Figures 1 to 7 generally comprises a housing 11, a tank 12, a water heater 13, a pump 14, a waste receptacle 9, a control processor (not shown), an interface user 16 and a cartridge head 17. The cartridge head 17, in turn, generally comprises a cartridge holder 18 for retaining, in use, a beverage cartridge 19 and cartridge recognition means 20. The cartridge head 17 additionally comprises inlet and outlet punches 21, 22 to form into the beverage cartridge 19, in use, an inlet for the liquid to enter the cartridge 19 and an outlet 70 for the prepared drink to exit the beverage cartridge 19. The drink it leaves cartridge 19 through outlet 70 flows into conduit 75 and then exits machine 10 from outlet nozzle assembly 100.
    Although water may be the most common liquid used in the preparation of beverages, such as coffee, the machine 10 is also capable of handling other liquids, such as milk or milk preparations, to mix with the beverage ingredients. Any references in this document to water must also be taken to include any form of liquid used in the preparation of beverages.
    The housing 11 is preferably produced wholly or in part from a suitable metal or plastic material. The housing 11 preferably comprises a tilting door design that has a front half 25 and a rear half 26 that allows access during assembly for fitting the machine components 10.
    The front half 25 of the housing 11 defines a dispensing station 27 where the beverage is dispensed through the outlet nozzle assembly 70. The dispensing station 27 includes a cup platform 23 with a drip tray located below. The user interface of machine 16 is also located in front of housing 11 and comprises a plurality of control switches, for example, a start / stop button 28, and various status indicators 29 to 32. Status indicators 29 to 32 are preferably light-emitting diodes (LEDs), which, for example, indicate the availability of the machine 10, if an error occurred in the operation of the machine 10 and the operating mode of the machine 10. The start / stop button 28 controls the start of a dispensing cycle and is preferably a manually operated push button, key or similar.
    The tank 12 is located at the rear of the housing 11 and is preferably incorporated into, or connected to the rear half 26 of the housing 11. The tank 12 has an entrance to fill the tank 12 with water, or other liquid, which is closed when the tank 12 is in position on the machine 10. An outlet is provided towards the lower end of the tank 12 which communicates with the pump 14. The tank 12 can be produced from a translucent or transparent material to allow a consumer to see the amount of water remaining in tank 12.
    Alternatively, the tank 12 can be produced from an opaque material, but has provided a viewing window 10 therein. In addition, or in place of the above, tank 12 can be provided with a low level sensor that prevents the pump 14 from operating and optionally triggers a warning indicator, such as an LED, when the liquid level is not tank goes down to a pre-selected level.
    Pump 14 is operatively connected between tank 12 and water heater 13, and is controlled by the control processor. The rate of water flow through the machine 10 can be controlled by the control processor. A volumetric fluid sensor (not shown) is preferably provided in the flow line upstream or downstream of the pump 14.
    The heater 13 is located inside the housing 11. The water for the dispensing cycle is distributed to the cartridge head 17 at a predetermined temperature. The heater 13 is capable of quickly adjusting the dispensing temperature to the required temperature, usually between 80 ° C and 98 ° C, and possibly higher from the inlet water temperature. The heater 13 comprises an overtemperature limit which turns the heater 13 off if the temperature exceeds 98 ° C. Machine 10 also incorporates a steam purge. The preferred means of generating the steam purge is to use a water heater 13 in the form of a rapid heater (also known as a flow or instantaneous heater). Typically, such rapid heaters comprise a tube through which water passes through which the tube is heated by one or more resistive elements. The rapid heater can be used not only to heat water to form beverages, but also, in higher power settings, to generate a steam purge by boiling the remaining water with the rapid heating tube after the drink has been formed . An advantage of fast heaters is that there is no significant delay as the water in a boiler heats up. The quick heaters heat the water as needed and deactivate immediately after each preparation cycle and thus save a lot of energy.
    The water leaving the heater 13 is fed through a distribution system suitable for the cartridge head 17 and the cartridge 19 via a valve. If the water flow pressure is acceptable, the water is passed to the cartridge 19. If the pressure is below or above the predetermined limits, then the water is diverted through the valve to the waste receptacle 9.
    The water distribution system for the cartridge comprises ducts that connect the tank 12, the water pump 14, the water heater 13 and the cartridge head 17 (as shown in Figure 8) to transport the water from the tank 12 to cartridge 19.
    The cartridge holder 18 is designed to be able to handle the opening forces generated by the pressure inside the cartridges 19, which are approximately 250 kg for espresso drinks. During the operation of the machine 10, the cartridges 19 attempt to expand, but the integrity of the cartridges 19 needs to be maintained. In addition, the user does not need to be able to open the support 18 while the system is pressurized and suitable locking mechanisms are provided to achieve this.
    A suitable cartridge head design 17, as described in WO-A-2006/014936, is shown in Figures 4 to 7. The cartridge holder 18 of cartridge head 17 comprises a fixed lower part 43, a rotatable upper part 44 and a pivotable cartridge holder 45 positioned between the fixed bottom 43 and the swiveling upper part 44. The upper part 44, the bottom 43 and the cartridge holder 45 are rotated on a common hinge geometric axis 46. The Figures 4 to 7 show support 18 with some machine components 10 omitted for clarity.
    The cartridge holder 45 is provided with a substantially circular recess 55 which receives, in use, the beverage cartridge 19. The recess 55 includes an irregularity 56 to favor a handle portion of the beverage cartridge 19 which also acts to prevent rotation of the beverage cartridge 19 in the holder 18. The cartridge holder 45 is released in relation to the fixed bottom part 43 such that, in the open position, as shown in Figure 7, the cartridge holder 45 is tilted out of contact with the fixed bottom part 43. This causes the cartridge holder 45 to move out of contact with the inlet and outlet punch members 21, 22. The cartridge holder 45 is provided with an opening 57 for receiving the punch holes. inlet and outlet 21, 22 and a cartridge recognition means head 20 when cartridge holder 45 is moved in the closed position.
    The upper part 43 comprises a generally circular body 58 which houses a circular viewing window 59 through which a consumer can view the beverage cartridge 19 during a dispensing cycle and can also visually confirm that a cartridge 19 is loaded in the machine 10. The viewing window 59 is cup-shaped, with a downward-facing border. In addition, the viewing window 59 is provided with a fixing member in the form of an inwardly directed tubular extension 61, as shown in Figure 7. Extension 61 is directed towards the bottom 44 and is within the volume of the cartridge head 17 when in the closed position, as shown in Figure 6. When the cartridge holder 18 is in the closed position, a distal end 62 of the tubular extension 61 of the viewing window 59 rests against the fixing surface 19a of the cartridge drink 19 which leans against bottom 44, as shown in Figure 6 (where the arrangement is illustrated containing a cartridge that has a greater depth). The pressure exerted by the tubular extension 61 ensures a hermetic seal of fluid between the cartridge 19 and the support 18.
    The lower part 43 comprises the inlet and outlet punches 21, 22 and the head of the cartridge recognition means 20. The inlet punch 21 comprises a hollow needle-like tube that has a sharp end for piercing a laminate of the cartridge. drink 19 in use. Inlet punch 21 is in fluid communication with water conduit 65, as shown in Figure 7, which passes through bottom 43 and is connected to outlet conduit 66 of water heater 13.
    The outlet punch 22 is similar in type to the outlet punch described in EP-A-0389141 and EP-A-0334572. An arcuate portion of the upper end of the outlet punch 22 is serrated to pierce and eventually cut the laminate from the beverage cartridge 19. The residue from the upper end of the outlet punch 22 is cut longitudinally from the cylinder, at least at the base of the teeth of the serrated portion, to bend or pull the cut laminate out from the outlet opening 70, before the drink is dispensed through it.
    Advantageously, the outlet punch 22 is removable from the bottom 43 to allow it to be perfectly cleaned, for example, in a dishwasher. The removable outlet punch 22 is received in a recess at the bottom 43, where it is seated. The entry punch 21 and / or the exit punch 22 can be produced from a metal, such as stainless steel, or from a plastic material. Preferably, the entrance punch 21 and the exit punch 22 are formed as a single, whole unit, which is removable from the bottom 43.
    In use, the upper part 44 of the support 18 is movable from an open position, in which it is oriented vertically or in the perpendicular direction, according to a closed position, in which it is oriented substantially horizontally and in interlocking with a fixed bottom part 43 and the cartridge holder 45. To close the top part 44, a user picks it up and pulls it down. Consequently, the upper part 44 rotates, where it first places the tubular extension 61 of the viewing window 59 in contact with the fixing surface 19a of the beverage cartridge 19. The continued rotation of the upper part 44 rotates the upper part 44 and the support cartridge 45 downwards, in contact with the bottom 43.
    With the upper part 44 closed, the hole punch 22 formed the outlet through the laminate provided in the cartridge 19. The hole punch 22 has a hollow center 22a that extends downwards through the fixed bottom 43 to form an outlet 70. A hose hose 75 is attached to the bottom of outlet 70, as best seen in Figure 7. Hose 75 carries dispensed drink from cartridge 19 for outlet nozzle assembly 100. Hose 75 is deflected to an appropriate part of outlet nozzle assembly 100, i.e., a large dispensing port 102 or a small dispensing port 104 when dispensing drink, or to a waste channel 106 during a steam purge. Details of outlet nozzle assembly 100 and hose deviation 75 are described in greater detail below.
    Control of the dispensing cycle is performed by the control processor of the beverage preparation machine 10, wherein the central processor comprises a processor module and a memory. The control processor is operatively connected to, and controls the operation of heater 13, pump 14, user interface 16 and the other components described below.
    The operating behavior of machine 10 is determined by the software embedded in the control processor, for example, as described in document EP-A-1440644. The memory of the control processor includes one or more variables for one or more operating parameters for the machine to the preparation of the beverage 10. These are generally the temperature of the liquid passed through the beverage cartridge 19 during the operating stage, the loading speed of the beverage cartridge 19, the presence or otherwise of an immersion step, the total volume dispensed from the drink, the flow rate of the liquid during the discharge stage and the purging stage period.
    One purpose of the cartridge recognition means 20 is, among others, to allow the machine 10 to recognize the type of beverage cartridge 19 that has been inserted and to adjust one or more operational parameters accordingly. The variables for the operational parameters are stored in memory. The cartridge 19 comprises a code provided on or inside the cartridge 19 which represents the operational parameters required for the optimal dispensing of the beverage in that cartridge 19. An example of the code is described in EP-A-1440644.
    The control processor memory additionally stores information on the type of beverage dispensed, so that the operating cycle of the machine 10 can be adjusted for the next cartridge 19. This is especially advantageous where two or more beverage cartridges 19 are used sequentially to form a drink. For example, a coffee cartridge can be used, followed by a milk cartridge to form a cappuccino drink. Alternatively, a chocolate cartridge could be used followed by a milk cartridge to produce a creamy hot chocolate drink. Using a memory that stores information on the first dispensed drink, the way of dispensing the second cartridge, that is, a milk cartridge, can be changed to achieve an optimal drink. In the example above, the milk dispensed for hot chocolate can typically be diluted less than the milk added to the coffee. In addition, the milk dispensed for chocolate can be dispensed at a slower flow rate to decrease the degree of foaming of the drink.
    Many combinations of cartridges and operating parameters are possible, as will be obvious to the skilled person. In addition, memory can be used to allow machine 10 to 'predict' the type of drink a user will want to dispense later. For example, if a user predominantly drinks a type of beverage, then the machine can instruct the water heater to remain at the ideal temperature for that type of beverage.
    Machine operation 10 comprises inserting a beverage cartridge 19 into the cartridge head 17, which 25 performs a dispensing cycle in which the beverage is dispensed, and removing the cartridge 19 from the machine.
    To insert the cartridge 19, the cartridge holder 18 is opened, as described above, to expose the cartridge holder 45. The cartridge 19 is then placed in the cartridge holder 45 received inside the recess 46. The cartridge holder 18 is then closed, as described above. During closing, inlet and outlet punches 21, 22 pierce cartridge 19 to form the cartridge inlet and outlet.
    To start the dispensing cycle, the user operates the start / stop button 28. The operating cycle comprises the cartridge recognition steps and the drink preparation cycle.
    Cartridge recognition is performed by the optical cartridge recognition means 20, as described. Once the bar code has been decoded, the operating parameters of the machine 10 are adjusted by the control processor. The preparation cycle is then automatically started. The preparation cycle has four main stages, although not all of these are used for all types of drink: 1. Pre-moist 2. Pause 3. Preparation stage 4. Purge
    In the pre-wet stage, cartridge 19 is loaded with liquid from storage tank 12 via pump 14. Loading with water causes the beverage ingredients in cartridge 19 to be moistened. Loading can occur at a "fast" flow rate of 600 ml / min or a "slow" flow rate of 325 ml / min. The slow loading rate is particularly useful for cartridges 19 containing viscous liquid beverage ingredients where the ingredients require some dilution before they are able to be pumped at a higher volume flow rate. The volume of liquid injected into the cartridge 19 is selected to ensure that the liquid or beverage does not drip out of the cartridge outlet during its stage.
    The pause stage allows the beverage ingredients to soak in the liquid injected during the pre-wet stage for a predetermined period of time. Both the pre-wetting and immersion stages are known to increase the yield of extractable ingredients from the beverage ingredients and to enhance the final flavor of the beverage. Pre-wetting and dipping are particularly used when the beverage ingredients are roasted and ground coffee.
    In the preparation stage, the liquid is passed through the cartridge 19 in order to produce the beverage from the beverage ingredients. The liquid temperature is determined by the control processor that sends instructions to the heater 13 to heat the liquid that passes from the tank 12 to the cartridge head 17. The liquid enters the cartridge holder 18 through an inlet valve and the inlet punch 21 and then passes through the beverage cartridge 19. The preparation and / or mixing of the beverage in the beverage cartridge 19 takes place, as described in document EP-A-1440644, before the prepared beverage leaves 25 of the cartridge 19, flows below the outlet 70, and through the hose 75, through the large delivery port 102 or the small delivery port 104 of the outlet nozzle assembly 100, and then fall into a receptacle properly placed in the dispensing station 27.
    During the purge cycle, the temperature of the water heater 13 is high, high enough to convert the remaining water in the steam system and the pressurized steam is blown through the beverage preparation machine 10, the beverage cartridge 19, from the outlet 70 and hose 75. This ensures that all the drink is dispensed and that the flow path is clean, ready to dispense another drink. The purge cycle may not start immediately at the cessation of the preparation / mixing stage to allow most of the fluid to clear the flow path.
    Once the operating cycle has been completed, the machine automatically stops, and the consumer removes cartridge 19 by opening cartridge holder 18 and manually removing and discarding cartridge 19. Alternatively, machine 10 can be provided with an automatic injection mechanism to automatically remove the cartridge at the opening of the cartridge holder 18.
    An embodiment of an outlet nozzle assembly 100 of the present invention is shown in Figures 8 to 12. The outlet nozzle assembly 100 has an elongated body with an enlarged head 110. A large distribution port 102 and a small distribution port 104 are provided on the expanded head 110. Two pairs of tabs 111 are provided for the edges of the outlet nozzle assembly 100. These tabs 111 cooperate with the features provided on the machine 10 to allow the outlet nozzle assembly 100 to be retained in the position with extended head 110 below hose 75.
    The outlet nozzle assembly 100 has a hollow interior 120 defined by the side walls and reinforced by an upper flange 122 of the outlet nozzle assembly 100. Most of the interior 120 is formed as a channel similar to a residue channel 106. A Residue channel 106 extends downwardly from enlarged head 5 110 and has a residue hole 108 provided at its base where it meets end wall 112 of outlet nozzle assembly 100.
    The interior 120 expands from when it has a flat rectangular view to a flat circular view where 10 itself meets the enlarged head 110. The center of this flat circular view is occupied by the large distribution hole 102. The annular volume around the large distribution orifice 102 is defined by upright walls 130. A first section of wall 130a has a shape of a bell, such that it extends inward, also from the side of the waste channel 108, where it enters the enlarged head 110, before extending into the enlarged head 110 and around the large distribution hole 102. This wall section 130a extends to the full height of the interior 120, except for a breaking section 130b between the large hole of distribution 102 and the small distribution orifice 104. The rupture wall section 130b extends from the base of the interior 120 to approximately half its height.
    An additional wall section 130c extends from the side of the large distribution hole 102: that wall section 130c essentially continues the straight side edge of the bell-shaped wall section 130a to meet the interior side 120. Thus, the 30 wall sections 130a through 130c define a chamber 103 and a space 105. Chamber 103 communicates with small orifice 104, and is provided with a tilt base to channel the beverage into a small hole 101 of small orifice 104 which extends from the lowest point of the base of the chamber, that is, the junction between the wall sections 130a and 130c. In this way, chamber 103 can be used to control the flow of drink to the small orifice 104. Wall 130c is located to define a desired size of chamber 103: The space 105 also defined by wall 130c is functionally redundant.
    Figures 10 to 12 show hose 75 in three distribution positions. The hose 75 is resilient in such a way that it can be deflected to various distribution positions. It will be apparent to the skilled person that there are many ways to deflect the outlet end of hose 75. A simple diagram is shown in Figures 13 and 14 to illustrate an arrangement. A pair of tabs 151 and 152 is used as an actuator to deflect the resilient hose 75 from its relaxed position in line with the large distribution port 102 (see also Figure 10) to an alignment with the waste channel 106 (see also Figure 12).
    The latches 151 and 152 form an opposite, offset pair. The tongue 151 is static, while the tongue 152 is driven by a motor 153. When the tongue 152 is actuated, it moves to deflect the hose 75 towards the waste channel 106. The static tongue 151 is positioned to contact hose 75 every time, so that hose 75 bends against the static tongue The tongue 151, like the driven tongue 152, moves in the direction of the waste channel 106. Then, the outlet end of the hose 75 deflects to point in the direction of the waste channel 106.
    To position the hose 75 back over the large distribution port 102, the actuated latch 152 is merely retracted using the motor 103: The resilience of the hose 75 sees its return to its relaxed position, in line with the large distribution port 102. A pair of similar tabs 151, 152 can be used to deflect hose 75 from large distribution port 102 in alignment with chamber 103 of small distribution port 104. Hose 75 is not brought into direct alignment over the small orifice 104, in such a way that the drink flows into the chamber 103 where it collects and flows to the small hole 101. In this way, the drink is distributed through the small dispensing hole 104. As will be clear, from the Figures 10 to 12, the movement from the large distribution port 102 to the small distribution port 104 is substantially at right angles to move from the large distribution port 102 to the waste channel 106. Figures 10 to 12 also show that the outlet end of the nozzle 75 sits just inside the wall section 103a, in its relaxed state. The rupture wall section 103b between the large delivery port 102 and the small delivery port 104 is provided to allow hose 75 to move between alignment with the large delivery port 102 and chamber 103 of the small delivery port 104.
    In use, a check of the position of the hose 75 is done when a user operates the beverage preparation machine 10 to prepare the beverage. The cartridge recognition means 20 determines the type of cartridge 19 that is used, and the processor determines the desired dispensing position of the hose 75, based on the type of cartridge and / or an indication of the drink to be prepared, provided by the user. For some drinks, hose 75 can remain in its relaxed position, aligned with the large dispensing port 102. Then, the drink is prepared as described above, and is distributed under hose 75 at relatively low pressure to pass through the large port. dispensing 102. The drink exits through the large dispensing orifice 102 to fall into a receptacle placed on platform 23.
    If the processor determines that the cartridge 19 requires dispensing through the small dispensing hole 104, for example, because of the user and / or the cartridge 19, it indicates that an espresso must be prepared, in which the processor commands an actuator ( similar to motor 153 / tongue 152) to move the outlet end of hose 75 in alignment with chamber 103 of small dispensing port 104. The drink is prepared as previously described, and flows under hose 75 at relatively high pressure where it flows out into chamber 103. The drink then flows below the tilt chamber 103, and into and through the small bore 101. The drink then falls into a receptacle placed on the platform for cup 23. Once the distribution of the drink is completed, hose 75 is allowed to return to alignment with the large dispensing port 102.
    No matter what type of beverage is delivered and the delivery port 102 or 104 used, a steam purge is performed after delivery. The processor first causes the hose 75 to be moved in alignment with the waste channel 106. The steam is then generated and passed through the cartridge 19, the outlet 70 and the hose 75, as previously discussed. Condensed water and waste flow down the waste channel 106, through the waste orifice 108 and into the waste receptacle 9. Once the steam purge is completed, hose 75 is allowed to return to its relaxed position, aligned with the large distribution port 102.
    An alternative design of outlet nozzle assembly 200 is shown in Figures 15 and 16. As many features are similar to the design in Figures 8 to 12, the corresponding reference numerals are used for corresponding parts, except incremented by 100. So, the large distribution orifice changes from 102 to become 202.
    The outlet nozzle assembly 200 of Figures 15 and 16 has a rectangular body and an enlarged head 210. Flange 222 extends around the enlarged head only. The hollow interior 220 is rectangular in the plan view, which changes to circulate in the enlarged head 210. The rectangular part forms the waste channel 206, although it is open, without a side wall 112 for the outlet nozzle 200 assembly. residue 208 is provided by the absent side wall 112, with the waste channel 206 which slopes down to the waste hole 208.
    The large distribution port 202 occupies the center of the enlarged head 210. The top of the large distribution port 202 is defined by the top of an upright, circular wall 230a. Three additional upright walls 230b to 230d radiate outwardly, from circular wall 230a, substantially also 120 ° apart. Two of these walls 230b and 230c extend linearly to meet the interior side wall 220, where it curves at the transition from the rectangular section to the circular section. The third wall 230d is curved and extends approximately in the longitudinal direction of the outlet nozzle assembly 200 before bending to meet the interior side wall 220. The walls 230a to 230d are the same height, and extends from the base from the inside 220 inside the enlarged head 210 to around half the height of the side wall that defines the interior 220 inside the extended head 210. The walls 230c and 230d, together with the circular wall part 230a, define the chamber 203 of the hole small distribution 204. The small orifice 201 extends from the base of the chamber 203, and is positioned close to the junction of the circular wall 230a and wall 230d. The bottom of the chamber forms towards the small hole 201. The space 205 is defined by the walls 230b and 230d, and the part of the circular wall 230a.
    The nozzle 75, in its relaxed state, ends just above the top of the circular wall 230a, so that it is in alignment with the large distribution hole 202. The nozzle 75 can be deflected in alignment with the chamber 203 of the small hole or 204 in the waste channel 206, as previously described.
    It will be apparent to the person skilled in the art that modifications can be made to the modality described above, without departing from the scope of the invention, as defined by the appended claims.
    For example, a waste channel 106; 206 need not be included in outlet nozzle assembly 100; 200. Also, the number, relative sizes and positions of the distribution ports 102, 104; 202, 204 can be varied, within the requirement to have at least two distribution holes with different hole sizes. The shape of the distribution ports 102, 104; 202, 204 may be varied and may or may not be uniform over its depth. Furthermore, the distribution ports 102, 104; 202, 204 need not extend to be parallel. For example, the entrances to the distribution ports 102, 104; 202, 204 can be moved away while their exits are closed together. This would allow the drink to be dispensed from a common position as closed as possible, while still providing increased separation of its inputs to minimize the chances of cross contamination.
    The shape, width and position of the walls 130; 230 can be varied. The general purpose of these walls 130; 230 is to provide a barrier between the large distribution port 102; 202, chamber 103; 203 and the waste channel 106; 206. The waste channel 106; 206 can be replaced by a simple residue hole, perhaps formed at the bottom of a second chamber, such as chamber 103; 203 supplied to the small distribution port 104; 204. The small distribution port 104; 204 does not need to have a camera 103; 203.
    权利要求:
    Claims (15)
    [0001]
    1. Beverage preparation machine (10) configured to dispense a drink through an outlet nozzle assembly (100), the machine (10) comprising: an outlet nozzle assembly (100) which is supplied with one first exit and a second exit; and wherein the machine (10) comprises a single conduit (75) arranged to selectively deliver fluid to the first outlet or the second outlet; characterized by the fact that the conduit (75) is arranged to move between a first position in which it is aligned to dispense fluid at the first outlet, and a second position in which it is aligned to dispense fluid at the second outlet; and in which the conduit (75) is flexible and in which the machine (10) additionally comprises an actuator arranged to move the conduit from one of the first and second positions to the other between the first and second positions.
    [0002]
    2. Beverage preparation machine (10) according to claim 1, characterized by the fact that the first outlet is a first dispensing orifice (102, 104) for receiving drink from the conduit and distributing the drink to a receptacle of beverage, such as a cup or mug, and the second outlet being a waste outlet (106) arranged to transfer the waste to a waste receptacle.
    [0003]
    3. Beverage machine (10) according to claim 1, characterized by the fact that a first outlet is a first dispensing orifice (104) for receiving beverage from the conduit and distributing the beverage to a beverage receptacle, such as like a cup or mug, and the second outlet is a second dispensing port (102) for receiving drink from one of one or more conduits and dispensing the drink to a beverage receptacle, the first dispensing port having a smaller hole than the second distribution port.
    [0004]
    4. Beverage preparation machine (10) according to claim 1, characterized by the fact that the outlet nozzle assembly (100) additionally comprises a third outlet and in which the conduit (75) is arranged to distribute the fluid selectively at the first exit, the second exit or the third exit.
    [0005]
    5. Beverage preparation machine (10) according to claim 4, characterized by the fact that the outlet nozzle assembly (100) is arranged to move between a first position that provides alignment for the distribution of the fluid to the first outlet, a second position that provides alignment for a distribution of fluid to the second outlet and a third position that provides alignment for a distribution of fluid to the third outlet.
    [0006]
    6. Beverage preparation machine (10), according to claim 4, characterized by the fact that the duct (75) is arranged to move between a first position in which it is aligned to dispense fluid at the first outlet, a second position in which it is aligned to dispense fluid to the second outlet and a third position in which it is aligned to dispense fluid to the third outlet; and preferably where the duct (75) is flexible and where the machine (10) additionally comprises an actuator arranged to move the duct (75) from one of the first, second or third positions to both among the others among the first, second and third positions.
    [0007]
    7. Beverage machine (10) according to any one of claims 4 to 6, characterized by the fact that the first outlet is a first dispensing orifice (104) for receiving drink from the conduit (75) and dispensing the drink to a beverage receptacle, the second outlet is a second dispensing orifice (102) for receiving beverage from one of one or more conduits and dispensing the beverage to a beverage receptacle, the first dispensing orifice having a smaller bore than than the second dispensing orifice, and the third outlet is a waste outlet (106) arranged to transfer waste to a waste receptacle.
    [0008]
    8. Beverage preparation machine (10) according to claim 2 or 7, characterized by the fact that the waste outlet (106) comprises a channel arranged to guide the waste stream down and to the side; wherein the channel preferably ends in an orifice (108) provided at the base of the channel or on the side of the outlet nozzle assembly (100).
    [0009]
    Beverage preparation machine (10) according to any one of claims 3 to 7, characterized in that the second dispensing orifice (102) comprises a substantially constant orifice and / or in which the first dispensing orifice (104) comprises an enlarged inlet.
    [0010]
    10. Beverage preparation machine (10) according to claim 9, characterized by the fact that the enlarged entrance comprises a chamber (103), optionally arranged to capture the drink distributed by the duct (75) when the duct (75) it is aligned with the chamber (103), but displaced from the first dispensing hole.
    [0011]
    11. System characterized by the fact that it comprises the beverage preparation machine (10), as defined in any of claims 1 to 10, and a complementary cartridge (19) containing one or more beverage ingredients, in which the machine (10 ) is arranged to prepare drinks from the cartridge (19) containing one or more beverage ingredients.
    [0012]
    12. Method for dispensing beverages from a beverage preparation machine (10) comprising an outlet nozzle assembly (100) which has a first outlet and a second outlet provided, and a single conduit (75) arranged through it to selectively deliver beverage to the first or second outlet, the method characterized by the fact that it comprises: (a) passing the fluid through the conduit (75) which is aligned to deliver fluid to the first outlet; and (b) passing the fluid through the conduit (75) which is aligned to deliver fluid to the second outlet; The method further comprising: before step (a), ensure that the conduit (75) is aligned to distribute fluid to the first outlet and, if not, cause the relative movement between the first outlet and the conduit (75) to align the same to distribute fluid to the first outlet; and before step (b), ensure that the conduit (75) is aligned to distribute drink to the second outlet and, if not, make the relative movement between the second outlet and the conduit (75) align them to distribute drink the second exit; and wherein the conduit (75) is flexible and the machine (10) additionally comprises an actuator, the method further comprising using the actuator to deflect the conduit (75) in such a way that it aligns to distribute fluid to the first outlet and / or the second exit.
    [0013]
    13. Method according to claim 12, characterized by the fact that the conduit (75) is resilient and the method further comprises allowing the conduit (75) to relax in its neutral position where it is aligned to distribute fluid to the first or the second exit.
    [0014]
    14. Method according to any one of claims 12 to 13, characterized by the fact that the first outlet is a first dispensing orifice (102, 104) and the second outlet is a waste outlet (106), and in which: step (a) comprises passing the drink through the duct (75) aligned to deliver the drink to the first dispensing port (102, 104), whereby the drink is dispensed from the first dispensing port (102 , 104); and step (b) comprises passing the fluid, for example, steam, through the aligned conduit (75) to distribute fluid to the waste outlet (106).
    [0015]
    15. Method according to any one of claims 12 to 13, characterized by the fact that the first outlet is a first dispensing orifice (104) and the second outlet is a second dispensing orifice (102), wherein the first orifice dispenser (104) has a smaller hole than the second dispenser port (102), and in which: step (a) comprises passing the drink through the conduit (75) aligned to deliver drink to the first dispenser port (104 ) at a relatively low flow rate, whereby the drink is dispensed from the first dispensing port (104); and step (b) comprises passing the drink through the duct (75) aligned to deliver the drink to the second dispensing port (102) at a relatively high flow rate, through which it causes the drink to be dispensed from the second distribution port (102).
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    同族专利:
    公开号 | 公开日
    EP2882321A1|2015-06-17|
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    CN104540428A|2015-04-22|
    US20150238045A1|2015-08-27|
    HUE033358T2|2017-11-28|
    US20180146816A1|2018-05-31|
    US10925433B2|2021-02-23|
    KR20150036550A|2015-04-07|
    WO2014027235A1|2014-02-20|
    HK1206572A1|2016-01-15|
    TW201410190A|2014-03-16|
    US9907431B2|2018-03-06|
    GB2504947A|2014-02-19|
    GB2504947B|2015-01-14|
    KR101967563B1|2019-04-09|
    RU2015107035A|2016-10-10|
    CA2879013A1|2014-02-20|
    EP2882321B1|2017-05-17|
    AU2013303850A1|2015-02-12|
    DK2882321T3|2017-07-24|
    TWI563953B|2017-01-01|
    JP2015526164A|2015-09-10|
    KR20170021363A|2017-02-27|
    GB201214433D0|2012-09-26|
    JP2017094137A|2017-06-01|
    CA2879013C|2017-08-15|
    RU2630758C2|2017-09-12|
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    法律状态:
    2018-01-30| B25A| Requested transfer of rights approved|Owner name: KONINKLIJKE DOUWE EGBERTS B.V (NL) |
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-01-08| B25K| Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: republication|Owner name: KONINKLIJKE DOUWE EGBERTS B.V. (NL) Free format text: RETIFICACAO DO DESPACHO ?(25.1) ? TRANSFERENCIA DE TITULAR? PUBLICADO NA RPI NO 2456, DE 30/01/2018, QUANTO AO ITEM ?(71) - DEPOSITANTE?.ONDE SE LE: ?KONINKLIJKE DOUWE EGBERTS B.V? LEIA-SE: ?KONINKLIJKE DOUWE EGBERTS B.V.? |
    2019-12-10| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-09-29| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
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    优先权:
    申请号 | 申请日 | 专利标题
    GB1214433.3|2012-08-13|
    GB1214433.3A|GB2504947B|2012-08-13|2012-08-13|Beverage preparation machines|
    PCT/IB2013/001661|WO2014027235A1|2012-08-13|2013-07-18|Beverage preparation machines|
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