System and method for the preparation of hot and cold beverages

Abstract

The invention provides a beverage preparation system (1) for the preparation of hot and cold beverages, which system comprises a hot beverage ingredient cartridge (2′), a cold beverage ingredient cartridge (2), and a beverage preparation device (4) adapted to prepare hot and cold beverages. According to the invention, the beverage preparation device (4) comprises a water dispensing manifold (10) for directing hot water and cold water to a dispensing location, the water dispensing manifold (10) comprising a feed lace (11), a cold water conduit (14) and a hot water conduit (16) that ends in a port (20) provided in a wall of the cold water conduit (14). The hot water conduit (16) has a cross section that is smaller than the cross section of the feed lance (11), such that a flow of hot water fed from the hot water conduit (16) into the feed lance (11) via the port (20) passes through part of the cold water conduit (14) and through the feed lance (11) without contacting them.

Claims

1. Beverage preparation system for the preparation of hot and cold beverages which system comprises: a) a hot beverage ingredient cartridge filled with a single serve portion of a liquid ingredient to be mixed with hot water and a cold beverage ingredient cartridge filled with a single serve portion of a liquid ingredient to be mixed with cold water, wherein for each cartridge: the cartridge comprises a cartridge body with a bottom and a top, the cartridge body delimiting a reservoir that is filled with the liquid ingredient, the cartridge body at the bottom has one or more dispensing passages in communication with the reservoir and adapted to dispense the liquid ingredient at the bottom side of the cartridge, and the cartridge body comprises a column that has a bottom end at the bottom of the cartridge body and a top end at the top of the cartridge body, and has a channel that extends through the column from a channel inlet aperture at the top end of the column to a channel outlet aperture at the bottom end of the column, b) a beverage preparation device adapted to prepare hot and cold beverages, the apparatus comprising: a holder configured to support one of said hot and cold beverage cartridges in a dispensing position with the channel of the column in an upright position, at a dispensing location in the preparation device; optionally, a support, preferably comprising a drip tray, for supporting a beverage container, in which the hot or cold beverage is to be received, below the holder; a hot water source; a cold water source; optionally, a carbonator; a water feed assembly comprising a water dispensing manifold, located above the holder, for directing the hot water from the hot water source and the cold water from the cold water source to the dispensing location, wherein the water dispensing manifold comprises: a feed lance, which feed lance is embodied as a channel section having a linear central axis that extends in a vertical direction, and which feed lance at a lower end thereof has a dispensing opening for dispensing the hot water and the cold water in a vertical dispensing direction; a cold water conduit, which cold water conduit is, via a cold water supply line, connected to the cold water source, and which cold water conduit is embodied as a channel section having a curved central axis, the curvature of the central axis preferably being tangent to the central linear axis of the channel section of the feed lance, for guiding a flow of cold water into the vertical dispensing direction; a hot water conduit, connected via a hot water supply line to the hot water source, which hot water conduit is embodied as a channel section having a linear central axis that extends parallel to, preferably coincides with, the linear central axis of the channel section of the feed lance, wherein the hot water conduit ends, at a lower end thereof, in a port provided in a wall of the cold water conduit for dispensing a flow of hot water via the cold water conduit into the feed lance, wherein, when the hot beverage ingredient cartridge or the cold beverage ingredient cartridge is supported in the dispensing position, the feed lance of the water feed assembly is aligned with the channel in the column of the cartridge, and the channel of said hot and cold beverage ingredient cartridge forms a vertical extension of the feed lance, and wherein the hot water conduit has a cross section that is smaller than the cross section of the feed lance and preferably is smaller than the cross section of the channel in the column of the hot beverage ingredient cartridge, such that a flow of hot water, that is fed from the hot water conduit into the feed lance via the port, passes through part of the cold water conduit and through the feed lance without contacting the cold water conduit or the feed lance and preferably passes through the hot beverage cartridge without contacting the cartridge.

2. System according to claim 1, wherein the device comprises a pressurisation device to pressurise the hot water and the hot water is dispensed in the form of a jet into the cold water conduit and the feed lance.

3. System according to claim 1, wherein the cross section of a downstream part the channel in the column of the beverage ingredient cartridges is identical to the cross section of the dispense channel section.

4. System according to claim 1, wherein the feed lance is adapted to engage the channel in the column of the hot beverage ingredient cartridge and/or the cold beverage ingredient cartridge, and the feed lance and the channel, when the feed lance engages the channel, form a continuous channel having a continuous cross section.

5. System according to claim 1, wherein the feed lance and the cold water conduit form a continuous channel having a continuous cross section.

6. System according to claim 1, wherein the cartridge body at the top has an opening in communication with the reservoir, which opening is hermetically sealed by a top seal.

7. System according to claim 1, wherein the water feed assembly in cooperation with the holder is adapted to open the hot beverage ingredient cartridge or the cold beverage ingredient cartridge when said cartridge is held in the holder, and is adapted to pierce the cartridge or a seal thereof, to at least partially peel away and/or tear away and/or rupture a top seal hermetically sealing one or more inlet apertures of the reservoir and/or a bottom seal hermitically sealing one or more dispensing passage of the reservoir of the cartridge.

8. System according to claim 1, wherein the hot beverage ingredient cartridge and/or the cold beverage ingredient cartridge define one or more dispensing apertures for the beverage ingredient, and the beverage ingredient is dispensed directly from the cartridge into a beverage container provided below the holder.

9. System according to claim 1, wherein the preparation device forces the hot beverage ingredient or the cold beverage ingredient out of the reservoir of the respective hot beverage ingredient cartridge or cold beverage ingredient cartridge when held in the holder, and is configured to guide a pressurized fluid into the reservoir of the respective hot beverage ingredient or cold beverage ingredient cartridge to actively force the ingredient out of the reservoir.

10. System according to claim 9, wherein the preparation device further comprises: a pressurized gas source, preferably a pressurized air source, a pressurization dome member having annular gas seal that is adapted to engage the top of the hot beverage ingredient cartridge or cold beverage ingredient cartridge, and wherein the system is adapted to open, e.g. to pierce, peel away, rupture and/or tear away at least part of a top seal, the reservoir at the top of the cartridge, and wherein the pressurized gas source is connected to the pressurization dome member so as to allow feeding of pressurized gas beneath said dome member when the gas seal thereof engages the top of the respective cartridge and the reservoir has been opened, to allow entry of pressurized gas into the reservoir to pressurize said liquid ingredient therein to thereby assist the dispensing thereof from the reservoir via the one or more dispensing passages.

11. System according to claim 1, wherein the feed lance, the cold water conduit, are integral components.

12. System according to claim 1, wherein the feed lance, the cold water conduit, and the hot water conduit are rigid components.

13. System according to claim 1, wherein the central axis of the cold water conduit has a radius of curvature that is larger than the diameter of the cross section of the cold water conduit.

14. System according to claim 1, wherein the dispensing device further comprises a flow compensator, provided in the cold water supply line downstream of the carbonator.

15. System according to claim 1, further comprising: a second hot beverage ingredient cartridge filled with a single serve portion of a hot beverage ingredient, wherein the second hot beverage ingredient cartridge comprises a cartridge body with a bottom and a top, the cartridge body delimiting a reservoir that is filled with the hot beverage ingredient, the cartridge body at the bottom has one or more dispensing passages in communication with the reservoir and adapted to dispense the ingredient from the cartridge at the bottom side thereof, and wherein the beverage preparation device further comprises: a second holder configured to support the second hot beverage ingredient cartridge in a dispensing position at the dispensing location next to the holder configured to support the cold beverage ingredient cartridge and the hot beverage ingredient cartridge, and a second water feed assembly, located above the second holder, for directing hot water from the hot water source to the second hot beverage ingredient cartridge, which second water feed assembly is adapted to bring the hot water source in direct communication with the second hot beverage ingredient cartridge held in the second holder.

16. System according to claim 15, wherein: the hot beverage ingredient cartridge comprises an ingredient for dispensing milk, the second hot beverage ingredient cartridge comprises an ingredient for dispensing coffee, and the second water feed assembly is adapted to bring the hot water source in direct communication with the reservoir of the second hot beverage ingredient cartridge, and to pressurise the hot beverage ingredient therein by said hot water and thereby assisting the dispensing thereof from the reservoir via one or more dispensing passages into a beverage container.

17. Cold beverage ingredient cartridge for providing a system according to claim 1.

18. Hot beverage ingredient cartridge for providing a system according to claim 1.

19. Beverage preparation device for providing a system according to claim 1.

20. Method for providing a hot and a cold beverage using a system according to claim 1, the method comprising: placing a cold beverage ingredient cartridge in the holder, placing a beverage container below the holder for receiving the cold beverage, dispensing the cold beverage ingredient from the reservoir of the cold beverage ingredient cartridge into the beverage container and dispensing cold carbonated water, via the feed lance and the channel in the column of the cartridge into the beverage container, removing the beverage container holding the cold carbonated beverage from below the holder, removing the cold beverage cartridge from the holder, placing a hot beverage ingredient cartridge in the holder, placing a beverage container below the holder for receiving the hot beverage, dispensing the hot beverage ingredient from the reservoir of the hot beverage ingredient cartridge into the beverage container and dispensing hot water via the feed lance and the cartridge into the beverage container, and removing the beverage container holding the hot beverage from below the holder.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 schematically shows an exemplary embodiment of a system for the preparation of a liquid food product, e.g. a beverage according to the invention;

(2) FIG. 2 shows a detailed partial side view in cross section of the preparation device of FIG. 1, in a first working position;

(3) FIG. 3 shows the preparation device of FIG. 2, in a second working position;

(4) FIG. 4 shows a detailed partial side view in cross section of the preparation device of FIG. 1, dispensing a flow of cold water;

(5) FIG. 5 shows a detailed partial side view in cross section of the preparation device of FIG. 1, dispensing a flow of hot water;

(6) FIG. 6 shows a detailed partial side view in cross section of an exemplary embodiment hot beverage ingredient cartridge according to the invention;

(7) FIG. 7 shows a detail of the hot beverage ingredient cartridge of FIG. 7;

(8) FIG. 8 shows a detailed partial side view in cross section of an exemplary embodiment cold beverage ingredient cartridge according to the invention;

(9) FIG. 9 shows a detail of the cold beverage ingredient cartridge of FIG. 8;

(10) FIG. 10 shows a schematic side view in cross section of a holder of a preparation device according to the invention;

(11) FIG. 11 shows a schematic side view in cross section of an alternative holder of a preparation device according to the invention;

(12) FIG. 12 shows a cross sectional side view of a water dispensing manifold of the beverage preparation device of FIG. 1 in isolation; and

(13) FIG. 13 shows a cross sectional side view of an alternative water dispensing manifold of a beverage preparation device according to the invention in isolation.

DETAILED DESCRIPTION OF THE DRAWINGS

(14) FIG. 1 schematically shows an exemplary embodiment of a system 1 for the preparation of a liquid food product, e.g. a beverage, according to the invention, the system comprising beverage preparation device 4 adapted to prepare hot and cold beverages and a disposable hot beverage ingredient cartridge and a cold beverage ingredient cartridge.

(15) The preparation system further comprises a hot beverage ingredient cartridge filled with a single serve portion of a liquid ingredient to be mixed with hot water and a cold beverage ingredient cartridge filled with a single serve portion of a liquid ingredient to be mixed with cold water. In FIG. 1 the preparation device 4 is depicted with a cold beverage ingredient cartridge 2. Part of the cold beverage cartridge 2 is shown in cross section in FIG. 8 and FIG. 9. An exemplary embodiment of a hot beverage ingredient cartridge 2′ is shown in cross section in FIG. 6 and FIG. 7.

(16) According to the invention, the cartridges 2, 2′ comprise a cartridge body 30 with a bottom 31 and a top 32, the body 30 delimiting a reservoir 33 that is filled with the liquid ingredient 34.

(17) The cartridge body 30 at the bottom 31 has one or more dispensing passages 35 in communication with the reservoir 33. The dispensing passages 35 are adapted to dispense the liquid ingredient 34 at the bottom side of the cartridge 4, 4′. During transport, storage, etc., the one or more dispensing passages 35 are hermetically sealed by a bottom seal 36, shown in FIG. 6 and not shown in FIG. 7, to prevent the liquid ingredient from spilling from the beverage ingredient cartridge. The bottom seal is 36 perforated and/or partially removed prior dispensing the beverage ingredient, to allow the ingredient to exit the one or more dispensing passages.

(18) The cartridge body 30 comprises a column 37 that has a bottom end 38 at the bottom 31 of the cartridge body and a top end 39 at the top 32 of the cartridge body, and has a channel 40 that extends through the column 37 from a channel inlet aperture 41 at the top end of the column to a channel outlet aperture 42 at the bottom end of the column.

(19) In the exemplary embodiment shown, the beverage preparation device 2 comprises a housing 28. The beverage preparation device 4 further comprises a water feed assembly 9, shown in more detail in FIGS. 4 and 5, and the disposable cartridge 2, which is shown in more detail in FIGS. 6 and 7.

(20) The beverage preparation device comprises a holder 5, which holder is configured to support one of said hot and cold beverage cartridges 4,4′ in a dispensing position with the channel 40 of the column 37 in an upright position, at a dispensing location 6 in the preparation device. A perspective view of a drawer type holder is shown in FIG. 11.

(21) In the embodiment shown, the preparation device 2 comprises a holder in the form of a sliding drawer 58 for accommodating and retaining the cartridge 3 at a dispensing location 6 in the device. The dispensing location is directly above a support 23 for a beverage container 24, e.g. a glass.

(22) In the embodiment shown, the drawer is supported for movement between a closed position shown, in which the beverage cartridge is held in the dispensing position, and an open position, in which the cartridge can be removed from the holder. In the embodiment shown, the holder, when moved between the closed position and the open position, is moved parallel to the plane of the drawing, i.e. to the left and right.

(23) According to the invention, the beverage dispensing device 4 furthermore comprises a hot water source 7 and a cold water source 8.

(24) According to the invention, the water feed assembly 9 comprises a water dispensing manifold 10, located above the holder 5, for directing the hot water from the hot water source 7 and the cold water from the cold water source 8 to the dispensing location 6. The water dispensing manifold is shown in more detail in FIGS. 2-5, and is shown in isolation in FIG. 12. The water dispensing manifold 10 comprises a feed lance 11, a cold water conduit 14, and a hot water conduit 16.

(25) The feed lance 11 is embodied as a channel section 18 having a linear central axis 12 that extends in a vertical direction. The feed lance 11 at a lower end thereof has a dispensing opening 13 for dispensing the hot water and the cold water, provided via respectively the hot water conduit 16 and the cold water conduit 14 respectively, in a vertical dispensing direction.

(26) In the embodiment shown, the feed lace is configured to engage, more in particular to be partially inserted into, the channel 40 of the column 37 of the cartridge. Furthermore, the lower end of the feed lance is slanted, such that the feed lance has a pointed end, to facilitate engaging the inlet opening of the column, and, optionally, to pierce a top seal covering said inlet opening.

(27) In an embodiment, the feed lance may be configured to just engage the cartridge, and not be inserted into the channel. Also, in an embodiment according to the invention, the feed lance may be a two-part component, having a first section connected with the cold water conduit, and a second section downstream of the first section, which second section is adapted to engage the cartridge and is movable supported relative to the first section. Thus, the second section of the feed lance can be inserted into the channel of the column of the cartridge and/or move with the column of the cartridge between an initial position of the column and a second, lowered, dispensing position of the column. A two-part embodiment of the feed lance would allow for a main part of the water dispensing manifold, comprising the hot water conduit, the cold water conduit and the first section of the feed lance, to have a fixed position, while the feed lance may still be inserted into, and/or more with, the column of the cartridge.

(28) It is submitted that the end lower end of the feed lance can be provided with many different forms without departing from the invention. In the embodiment shown, the end is slanted relative to the linear axis 12 of the conduit, i.e. the edge of the conduit that dispenses the dispensing opening extend sin a plane that is slanted relative to the linear axis of the conduit. In an alternative embodiment, the end may be blunt, i.e. extend in a plane perpendicular to the linear axis 12. In addition to, or as an alternative, the edge of the conduit defining the dispensing opening may have one or more piercing teeth, have a jigsaw shape, have a curvature, etc.

(29) The cold water conduit 14 is connected, via a cold water supply line 24, to the cold water source 8. The cold water conduit 14 is embodied as a channel section having a curved central axis 15, the curvature of the central axis preferably being tangent to the vertical axis 12 of the channel section 18 of the feed lance 11, for guiding a flow of cold water into the vertical dispensing direction. Thus, the corner shaped channel section of the cold water conduit 14 guides cold water provided by the cold water supply line 24 into the vertically orientated channel section 18 of the feed lance 11.

(30) The hot water conduit 16 ends at a lower end thereof in a port 20 provided in a top wall 21 of the cold water conduit 14 for dispensing a flow of hot water via the corner channel section into the feed lance 11, more in particular into the linear channel section 18 of the feed lance.

(31) The hot water conduit 16 is connected, via a hot water supply line 25 to the hot water source 7. The hot water conduit 16 is embodied as a channel section 48 having a linear central axis 17 that extends parallel to, preferably coincides with, the central axis 12 of the channel section 18 of the feed lance 11.

(32) It is noted that in the preferred embodiment shown, the hot water conduit 16 has an internal restriction 49 stream upwards of the port 20. Thus, the flow of hot water dispensed via the hot water conduit has a cross section that is smaller than the cross section of the conduit downstream of the restriction and, in the embodiment shown, smaller than the cross section (perpendicular to linear axis 17) of the port 20. In such an embodiment, the flow of hot water is essentially dispensed from the restriction, in that it does not contact the hot water conduit, or the cold water conduit or the feed lance, after it exits the restriction. Thus, it is the restriction that defines the cross section of the flow of hot water, and not the shape of the port 40.

(33) It has been found that providing a restriction, the opening of the restriction preferably extending in a plane perpendicular to the linear axis of the hot water conduit, upwards of the port provides a linear flow of hot water and is thus beneficial in keeping the flow from coming into contact with the cold water conduit or the feed lance.

(34) In the exemplary embodiment shown, the beverage dispensing device 4 comprises a carbonator 26, which carbonator is provided in the cold water supply line 24 for providing cold water with CO2. In the embodiment shown, the CO2 is provided form a CO2 bottle 29. It is submitted that alternatives for providing the cold water with CO2 by way of an in-line carbonator, as shown in FIG. 1, can also be sued without departing from the invention.

(35) According to the invention, when the hot beverage ingredient cartridge 2′ or the cold beverage ingredient cartridge 2 is supported in the dispensing position at the dispensing location 6, the feed lance 11 of the water feed assembly 9 is aligned with the channel 40 in the column 37 of the cartridge 2, 2′ and the channel 40 of said hot and cold beverage ingredient cartridge forms a vertical extension of the feed lance 11, as is depicted in FIG. 1.

(36) Furthermore, the hot water conduit 16, in particular the restriction in the hot water conduit, has a cross section that is smaller than the cross section of the feed lance 11 and is smaller than the cross section of the channel 40 in the column 37 of the hot beverage ingredient cartridge 2′ and the cold beverage cartridge 2, such that a flow of hot water, that is fed from the hot water conduit 16 into the feed lance 11 via the port 20, passes through the feed lance and the cartridge without contacting the feed lance or the cartridge.

(37) In other words, according to the invention, the hot water conduit 17 has a central axis 18 that extends parallel to, preferably coincides with, the central axis 12 of the channel section of the feed lance 11. Furthermore, the hot water channel section 48 of the hot water conduit 17 has a cross section that is smaller than the cross section of the dispense channel section 11. The hot water flow dispensed by the hot water conduit is confined by the channel section 48, in the particular embodiment shown the restriction 49, and thus has a cross section similar to the cross section of the hot water conduit, more in particular the restriction of the hot water conduit. Therefore, a flow of hot water that is fed from the hot water conduit into the feed lance, via the port 20, passes through the feed lance 11 without contacting the walls of the channel section of the feed lance. Thus, the heat transfer from the flow of hot water to these components of the water dispensing manifold is minimal, and the temperature of these components of the water dispensing manifold will not, or only be marginally raised, by the passing flow of hot water. Therefore, dispensing the flow of hot water does not significantly influence the temperature of a subsequent flow of cold water being dispensed through the water dispensing manifold.

(38) In the embodiment shown, a water supply line 50 of the beverage preparation device 2 has a water inlet 39 to be connected to a water main. The water supply line 50 splits up into a cold water supply line 24, connected with the cold water source 8, and a hot water supply line 25, connected with the hot water source. The cold water supply line and the hot water supply line merge at the water dispensing manifold.

(39) In addition, or as an alternative, to the water inlet 39, the beverage preparation device can be provided with a water reservoir.

(40) In the embodiment shown, the hot water source 7 is provided in the form of a flow through water heater adapted to provide hot water to the feed lance 11. The flow thereof is controlled by hot water valve 46. Alternative hot water sources known from the prior art may also be sued, for example, in an alternative embodiment, the hot water source is embodied as a hot water supply tank, e.g. a water tank filled with water and a heating element.

(41) Furthermore, in the embodiment shown, the cold water source 8 is provided in the form of a water line guided through a water chiller device. The flow through the cold water line is controlled by cold water valve 47.

(42) The water chiller device comprises a water cooling tank 19, i.e. a tank filled with water and a refrigerating unit, preferably with a refrigerant coil disposed in the water within the water cooling tank. Thus, the water chiller device is configured to chill water passing through it via the water line, e.g. to a temperature between 2 and 10 Celsius.

(43) In a preferred embodiment, the carbonator 26 is at least partially submerged in the water of a water cooling tank 19.

(44) The water line 24 emerges from the water chiller device 8, and splits into a plain water line and a carbonated water line, the latter passing through the carbonator 26.

(45) The carbonated water line comprises the carbonator 26, e.g. an inline or tankless carbonator. A CO2 bottle 29 is connected to the carbonator 26 so that the CO2 can be dissolved in the cold water and then fed to water dispensing manifold 10, more in particular into the cold water conduit of the water dispensing manifold.

(46) The plain water supply line merges with the carbonated water supply line, after which the cold water supply line 24 is connected to the water dispensing manifold 10, more in particular to the cold water conduit 14 of the water dispensing manifold.

(47) At a distance below the dispensing location 6 of the holder 5 the apparatus 2 has a standing place 23 for a beverage container 51, e.g. a mug, a drinking glass or other receptacle, for receiving the combined flows of water and liquid ingredient.

(48) In an embodiment of the beverage preparation device according to the invention, the feed lance 11 is adapted to engage the channel 40 in the column 37 of the hot beverage ingredient cartridge 2′ and/or the cold beverage ingredient cartridge 2. When the feed lance engages the channel, the feed lance and the channel form a continuous channel having a continuous cross section.

(49) In the exemplary embodiment shown, see FIG. 12, the feed lance 11 and the cold water conduit 14 form a continuous channel having a continuous cross section. The wall of the continuous channel, when seen along the axis of the channel, i.e. in the flow direction of a flow of cold water being dispensed through the cold water conduit, defines a substantially continuous cross section, which allows for a laminar flow and thus is optimal for dispensing carbonated water.

(50) Furthermore, in the embodiment shown, the curved central axis 15 of the cold water conduit 14 has a radius of curvature that is larger than the diameter of the cross section of the cold water conduit. Providing the cold water conduit with a large radius of curvature is beneficial when the cold water conduit is used for dispensing carbonated water, as is the case with the exemplary embodiment shown because the promotes a laminar flow which benefits the CO2 content of the water, more in particular it allows the water to hold the CO2 dissolved therein by the carbonator.

(51) Also, in the embodiment shown, the feed lance, the cold water conduit, and the hot water conduit are rigid components. Thus, they do not move, or change trajectory or curvature during use, for example as a consequence of pressurised water being dispensed.

(52) In an embodiment the invention relates to the preparation of a beverage or component of a beverage, in particular the preparation of milk froth. In an embodiment the preparation device is adapted for also dispensing coffee with milk, preferably frothed milk. For example, the holder and hot beverage ingredient of the preparation device are adapted to dispense milk and the food preparation device comprises a second holder for holding a second beverage ingredient cartridge for dispensing coffee, e.g. by brewing within the second cartridge or by dispensing a coffee concentrate form the second cartridge, at the dispensing location. Thus, the invention is suitable in for the preparation of milk froth for a cappuccino, more in particular is suitable for dispensing a cappuccino.

(53) The beverage preparation device 2 comprises a pressurisation device, in the particular embodiment shown a pump 53, to pressurise the hot water dispensed via the hot water conduit 16. The pump can be used for dispensing the hot water in the form of a jet, the jet being directed though the cold water conduit and the feed lance. The jet of hot water is unhindered by restrictions and is dispensed directly in a vertical dispensing direction into a beverage container, e.g. a cup or glass, located below the holder, preferably located on a support. By thus providing the flow of hot water, the impact of the water on the bottom of the beverage container is increased, creating turbulence in the fluid in the beverage container, and thus promoting mixture of the dispensed water and beverage ingredient.

(54) In addition to providing the hot water in the form of a jet, the system shown comprises a hot beverage ingredient cartridge, shown in FIGS. 6 and 7 that is adapted to dispense milk in one or more vertical flows, parallel to the jet hot water dispensed via the manifold. The configuration of the dispensing device, in particular the manifold allows for locating multiple streams of milk closely to the hot water flow, and thus impact closely together at the bottom of a beverage container located below the dispensing location. These close impacts provide a dynamic interaction, which optimally stimulates the generation of milk forth.

(55) An exemplary embodiment of a cold beverage ingredient cartridge 2 is shown in part and in cross section in FIG. 8 and, in partial close up, in FIG. 9. In the particular embodiment shown, the cold beverage ingredient cartridge differs from the hot beverage ingredient cartridge 2′ in the design of the dispensing passages 35 in the bottom of the reservoir.

(56) The dispensing passages 35′ of the hot beverage cartridge 2′ are adapted for dispensing liquid beverage ingredient at high speed in a vertical direction, to thus generate a large impact of the dispensed flow of liquid ingredient onto the bottom of the beverage container and/or fluid already dispensed into the beverage container. Such a cartridge, more in particular a cartridge with such dispensing passages, is in particular beneficial for aerating the ingredient, for example for creating a foam, for example when dispensing concentrated milk for creating, in combination with the hot water dispensed via the hot water conduit, a foam for a cappuccino.

(57) The exemplary cold beverage ingredient cartridge 2 shown in FIG. 8 and FIG. 9 comprises multiple dispensing passages 35 that have an inlet facing a wall 56. Thus, the liquid ingredient, when entering the dispensing passage, first impacts the wall surface, which reduces the speed of the flow of liquid ingredient. In addition, the dispensing passages 35, more in particular the outlets of the dispensing passages, are configured to direct the flow of liquid ingredient parallel to and alongside the flow of water being dispensed through the channel 40 of the column 37. In a preferred embodiment, the cross section of the feed lance is similar to the cross section of the channel in the column 37, such that the flow of cold water is confined by the walls of the channel, and thus flows closely adjacent the flow of liquid ingredient dispensed through the dispensing passages. Thus the liquid ingredient can adhere to the flow of cold water, forming a shroud on the outside of the flow of cold water. Such a cartridge is in particular beneficial when dispensing a soda beverage, e.g. carbonated cold water to be mixed with a syrup provided in the reservoir of the cartridge.

(58) It is submitted that, to dispense water with a high CO2 content, carbonated water is preferably dispensed with a minimum of disturbance in the flow, thus at low pressure, and with a minimum of sharp angles and protrusions in the dispensing channel. The water dispensing manifold according to the invention provides such a channel, which furthermore in combination with the cold beverage ingredient cartridge allows for adding the liquid ingredient to the flow of cold water with a minimum of disturbance of the flow of cold water.

(59) Thus, the invention provides an improved beverage preparation device for providing both cold carbonated beverages and hot beverages.

(60) The exemplary embodiment of the beverage preparation device shown, furthermore comprises pressure device for forcing the hot beverage ingredient or the cold beverage ingredient out of the reservoir of the respective hot beverage ingredient cartridge or cold beverage ingredient cartridge when held in the holder.

(61) The preparation device shown comprises a pressurized gas source, more in particular a pressurized air source embodied as an air pump 54, and a pressurization dome member 43 having annular gas seal that is adapted to sealingly engage the top of the hot beverage ingredient cartridge or cold beverage ingredient cartridge, e.g. a top seal, e.g. at or near an upper rim of a circumferential wall of the hot beverage ingredient cartridge or the cold beverage cartridge. FIG. 2 shows the water feed assembly 9, with pressurisation dome member 43, in a raised position, and FIG. 3 shows the water feed assembly in a lowered positon, in which the feed lance is inserted in the channel of the cartridge, and the dome member engages to top of the cartridge.

(62) In an embodiment according to the invention, the system, is adapted to open, e.g. to peel, pierce, break, rupture and/or tear away at least part of a top seal, the reservoir at the top of the cartridge.

(63) In the embodiment shown, the preparation device and the cartridge are adapted to cooperate, and thus open the reservoir at the top and at the bottom, more in particular to rupture a top seal sealing an opening of the reservoir at the top of the cartridge and peeling away a bottom seal sealing the dispensing passages at the bottom of the cartridge by pushing the column of the cartridge in a downward direction.

(64) In the embodiment shown, the beverage ingredient cartridge, has a bottom with a flexible part extending around the column, enabling the column to be pushed in a downward direction relative to a circumferential walls of the cartridge. The cartridge is provided with a top seal and/or a bottom seal attached to the column and to another part of the cartridge, e.g. the circumferential wall of the cartridge, pushing down of the column may peel away and/or rupture the respective seal.

(65) The reservoir of the cartridge is furthermore provided with piercing elements, that pierce the top seal from the inside when the column is pushed in a downward direction.

(66) Thus, the preparation device and the cartridge are adapted to cooperate in opening the reservoir at the top and bottom, by moving the water feed assembly in a downward direction, the feed lance engaging the column and pushing it downward.

(67) The pressurized gas source is connected to the pressurization dome member so as to allow feeding of pressurized gas beneath said dome member when the gas seal thereof sealingly engages the top of the respective cartridge and the reservoir has been opened, to allow entry of pressurized gas into the reservoir to pressurize said liquid ingredient therein to thereby assist the dispensing thereof from the reservoir via the one or more dispensing passages.

(68) In an alternative embodiment, the preparation device is configured to guide a pressurized fluid in the form of a liquid, for example water, into the reservoir of the respective hot beverage ingredient or cold beverage ingredient cartridge to actively force the ingredient out of the reservoir.

(69) In embodiments a dispensing cycle for a glass of beverage, e.g. of about 250 ml, will take between 15 and 30 seconds.

(70) In an embodiment of a system according to the invention, the system furthermore comprises a second hot beverage ingredient cartridge filled with a single serve portion of a hot beverage ingredient and a second holder for holding the second cartridge adjacent the first holder at the dispensing location. The second hot beverage ingredient cartridge comprising a cartridge body with a bottom and a top, the body delimiting a reservoir that is filled with the hot beverage ingredient.

(71) FIG. 10 shows a schematical side view in cross section of a first holder 105 and second holder 155 located adjacent each other, the left holder 105 being the holder configured for holding the hot beverage ingredient cartridge 102′ and the cold beverage ingredient cartridge, the right holder being the second holder 155 for holding a second beverage ingredient cartridge, in FIG. 10 embodied as a pouch 57 type cartridge, e.g. a coffee pouch comprising a pouch of filter material holding a coffee granulate.

(72) FIG. 10 furthermore schematically shows a water feed assembly 109, a cold water supply line 124, a hot water supply line 125, a cold water source 108 and a hot water source 107.

(73) By providing the preparation device with a second holder two beverage ingredients can be dispensed in parallel, or one after the other, to provide a beverage comprising both ingredients. Thus, for example a cappuccino, comprising coffee and milk, can be provided.

(74) The beverage preparation device 2 comprises a second holder 55, which second holder is configured to support a second hot beverage ingredient cartridge 56 in a dispensing position at the dispensing location next to the holder 5 configured to support the cold beverage ingredient cartridge and the hot beverage ingredient cartridge. The second holder 55 is depicted in the perspective view of the drawer 58 shown in FIG. 11.

(75) In the embodiment shown, the second cart beverage cartridge is embodied similar to the cold beverage ingredient cartridge and the hot beverage ingredient cartridge shown, i.e. comprising a cartridge body defining a reservoir with a sealed top opening and sealed dispensing passages at the bottom of the cartridge.

(76) The beverage preparation device further comprises a second water feed assembly, located above the second holder, for directing hot water from the hot water source to the second hot beverage ingredient cartridge, which second water feed assembly is adapted to bring the hot water source in direct communication with the second hot beverage ingredient cartridge held in the second holder.

(77) The, the beverage preparation device can be used for providing a hot beverage and a cold beverage using a method according to the invention, wherein the hot beverage ingredient cartridge comprises an ingredient for dispensing milk, and preferably the beverage preparation device and/or the cartridge are adapted to froth the milk during the dispensing process, the second hot beverage ingredient cartridge comprises an ingredient for dispensing coffee, e.g. ground coffee or a coffee extract, and the second water feed assembly is adapted to bring the hot water source in direct communication with the reservoir of the second hot beverage ingredient cartridge, and to pressurise the hot beverage ingredient therein by said hot water and thereby assisting the dispensing thereof from the reservoir via one or more dispensing passages into a beverage container.

(78) In an embodiment, the beverage preparation device comprises a first and second holder, for the hot beverage ingredient cartridge and the cold beverage ingredient cartridge and for the second hot beverage ingredient cartridge respectively, and the first and second water feed assembly are combined into a single water feed assembly, e.g. comprising a water dispensing manifold for providing hot and cold water at the first holder and a hot water feed lance for providing water at the second holder.

(79) In a further embodiment, the single water feed assembly is configured as a reciprocating unit, for example vertically, driven by an operable displacement device, for example an excenter mechanism and an electric motor, to assist in opening the hot beverage ingredient cartridge and/or the cold beverage ingredient cartridge and/or the second hot beverage ingredient cartridge.

(80) In an embodiment, the beverage preparation device comprises a first and a second holder and a two similar water feed assemblies, each comprising a water dispensing manifold according to the invention, one for each holder. In such an embodiment, the cold beverage ingredient cartridge and the second hot beverage ingredient cartridge can be held in each of the holders.

(81) FIG. 13 depicts in isolation an alternative water dispensing manifold 110 of a beverage preparation device according to the invention. The water dispensing manifold 110 comprises a feed lance 111, a cold water conduit 114, and a hot water conduit 116. For dispensing a flow of hot water via the curved cold water conduit into the feed lance 111, more in particular into the linear channel section 118 of the feed lance, the hot water conduit 116 has a central axis 117 that coincides with the central axis 112 of the channel section of the feed lance 111. Furthermore, the hot water conduit 116 has a cross section that is smaller than the cross section of the channel section of the feed lance 111.

(82) It is noted that a flow of hot water dispensed via the hot water conduit has a central axis that coincides with the central axis of the hot water conduit. Thus, in an embodiment in which the central axis of the hot water conduit coincides with the central axis of the channel section of the feed lance, the central axis of the flow of hot water dispensed via the hot water conduit has a central axis that coincides with the central axis of the channel section of the feed lance. Also, the cross section of the hot water conduit determines the cross section of the flow of hot water dispensed via the hot water conduit.

(83) A flow of hot water that is fed from the hot water conduit 116 into the feed lance 111, passes through the feed lance without contacting the walls of the channel section of the feed lance. Therefore, heat transfer from the flow of hot water to the channel section of the feed lance 111 and the cold water conduit 114 is minimal, and the temperature of these components of the water dispensing manifold will not, or only be marginally raised, by the passing flow of hot water. Dispensing the flow of hot water does not significantly influence the temperature of a subsequent flow of cold water being dispensed through the water dispensing manifold.

REFERENCE SIGNS

(84) 01 System for the preparation of a liquid food product, e.g. a beverage 02 cold beverage ingredient cartridge 02′/102′ hot beverage ingredient cartridge 03 single serve portion of a liquid ingredient to be mixed with water, 04 beverage preparation device, e.g. a beverage dispensing apparatus 05/105 holder for accommodating and retaining the cartridge 06 dispensing location in the device 07/107 hot water source 08/108 cold water source 09 water feed assembly 10 water dispensing manifold 11 feed lance 12 linear central axis feed lance 13 dispensing opening feed lance for dispensing hot water and cold water 14 cold water conduit for providing the feed lance with cold water 15 central axis cold water conduit 16 hot water conduit for providing the feed lance with hot water 17 central axis hot water conduit 18 channel section of feed lance 19 water cooling tank 20 port at lower end hot water conduit 21 top wall of the corner channel section 22 flow of hot water fed from the hot water conduit into the feed lance 23 support beverage container 24/124 cold water supply line 25/125 hot water supply line 26 carbonator 27 flow compensator 28 housing 29 CO2 bottle 30/30′ cartridge body 31/31′ bottom cartridge body 32/32′ top cartridge body 33/33′ reservoir cartridge 34 liquid ingredient 35/35′ dispensing passages 36 bottom seal 37/37′ column 38/38′ bottom end column 39/39′ top end column 40/40′ channel in column 41/41′ inlet aperture channel 42/42′ outlet aperture column 43 dome member 44 displacement device water feed assembly 45 flow through heater 46 hot water valve 47 cold water valve 48 channel section hot water conduit 49 restriction 50 water supply line 51 beverage container 52 top seal 53 pressurisation device hot water 54 pressurisation device for reservoir cartridge 55/155 second holder 56 wall 57 second hot beverage ingredient cartridge 58 drawer 110 water dispensing manifold 111 feed lance 112 linear central axis feed lance 114 cold water conduit for providing the feed lance with cold water 115 central axis cold water conduit 116 hot water conduit for providing the feed lance with hot water 117 central axis hot water conduit 118 channel section of feed lance