Abstract: An apparatus for dispensing a liquid foodstuff, in particular milk, includes a heating device for heating the liquid foodstuff, which has a fluid path for the liquid foodstuff and an electric heater. The fluid path and heater are in thermal contact with a heat store made from a material of high thermal mass and conductivity, and the heat store is brought by the heater to an operating temperature which lies below 80° C., preferably below 70° C. The fluid path is connectable via at least one directional control valve to a flushing line via which water and/or detergent can be conducted through the fluid path for cleaning purposes. A control device is provided that is configured to heat the heat store of the heating device to a temperature above 100° C. to carry out thermal regeneration, and to open the directional control device one or more times for conducting water or detergent solution through the fluid path of the heating device heated to a high temperature.

Abstract: A set (47), for use in the preparation of a beverage by a beverage preparation device, comprising a capsule (2) and an adapter (1). The adapter (1) and the capsule (2) are interconnected in a stand-by position such that the adapter (1) and the capsule (2) can be transferred, from the stand-by position, into an operating position in which the inlet (8) of the adapter (1) is in fluid connection with the substance chamber (49) of the capsule (2).

Abstract: The invention relates to a system for preparing beverage, including a second and first exchangeable capsule and an apparatus including a first brew chamber part having a cavity for holding one of the first and second capsules, and a second brew chamber part for closing the first brew chamber part and having an extraction plate for abutting against an exit face of the hold capsule, and including a central and a peripheral portion, the central portion being axially movable relative to the peripheral portion from a first position to a second position, the apparatus including a locking mechanism for locking the central portion in the first position when the cavity holds the first capsule. The invention also relates to an apparatus, a method and a capsule.

Abstract: A brewing module for preparing a brewed drink from a portion capsule, includes a first brewing module part and a second brewing module part, which is movable relative to the housing between a first brewing module part position and a second brewing module part position, wherein a brewing chamber is formed in the second brewing module part position. Furthermore, an operating element is able to be brought manually from a first into a second operating element position, from which a movement is transmitted via a transmission mechanism into a movement of the second brewing module part. The brewing module further includes a damping device for damping the movement of the second brewing module part. This damping device is designed such that it has non-constant damping characteristics as a function of the position and/or as a function of the movement direction.

Abstract: This disclosure relates to a capsule (1) for making a beverage, containing a powdered food substance (8) which enables a beverage to be made by passing water through it. The capsule (1) comprises a cup-shaped containment body (2), in turn comprising a tubular lateral wall (21) and a bottom portion (22), and a closing element (29) that closes the top of the containment body (2). The bottom portion (22) has a dispensing hole (26) and the containment body (2) defines a containment chamber (20) inside itself. A filtering element (3) is mounted in the containment chamber (20) and is positioned between the powdered food substance (8) and the bottom portion (22). A dispensing element (5) is mounted in the containment chamber (20) and is positioned between the filtering element (3) and the bottom portion (22).

Abstract: A beverage capsule (100) comprises a capsule body (102) defining a cavity (104) and comprising a first end face (106) cooperating with the water injecting means (206) of a beverage-preparation apparatus (200), and further comprises a cup-shaped partition (114) extending into said cavity (104) from a second end face (116) of said capsule body (102) opposite said first end face (106), forming a space (118) between the partition (114) and first end face (106), and a chamber (117) within the partition (114) in which a quantity of a beverage ingredient (120) is disposed, a fluid communication means (126) establishing fluid communication across said partition (114).

Abstract: Apparatus and methods are provided for brewing a beverage from precursor particulates. The apparatus comprises a liquid delivery system for delivering liquid into a brewing basket. The liquid delivery system comprises a showerhead disposed above at least a portion of the brewing basket. The showerhead has a plurality of outlet openings through which liquid flows outward from the showerhead into the brew basket. At least two of the outlet openings are oriented to direct the flow of liquid out of the showerhead at least in part transversely of the brew basket.

Abstract: A capsule for preparing a nutritional product in a device adapted to supply liquid into the capsule is disclosed. The capsule includes at least one compartment for providing nutritional ingredients for the preparation of the nutritional product in combination with the supplied liquid, and the compartment includes a liquid impermeable membrane forming a release side of the compartment. The capsule further includes at least one relief element. Also disclosed is a membrane for use in the manufacture of said capsule. Also disclosed are methods of producing and using the membrane and capsule.

Abstract: An apparatus for filling the basket of a portafilter of an espresso machine with a predetermined dose of coffee grounds and for pressing it within the portafilter is disclosed. A support device for supporting the portafilter projects out of a front wall of the espresso machine. The portafilter is placed on the support device in a first coffee-dispensing position below a coffee grounds dispenser, then moved to a second position below a pressing device. In the second position, a pestle of the pressing device is moved vertically toward the dose of coffee contained in a basket of the portafilter to compress the coffee grounds a desired amount, and is then removed vertically away from the basket of the portafilter containing the pressed coffee dose.

Abstract: A fluid pourover device for brewing a beverage is adapted to deliver a fluid, and includes a driving unit defining a vertical rotating axis, a transmitting shaft extending along a transmitting axis inclined relative to the rotating axis and coupled with the driving unit to be rotated about the rotating axis, a fluid delivering member connected and rotated with the transmitting shaft and having a nozzle assembly to deliver the fluid in a direction of the transmitting axis for forming an inclined fluid delivering path during rotation.

Abstract: A beverage preparation machine includes a main housing, a brew head having an outlet for discharging a prepared beverage, a water reservoir, and a water path for conveying water from the water reservoir to the brew head. The water reservoir is movable with respect to the main housing between a storage configuration and a beverage dispensing configuration. The water reservoir may be non-removable from the main housing. The water reservoir may be located laterally off-set from a midline of the main housing in the beverage dispensing configuration so as to increase the overall width of the beverage preparation machine compared to the width in the storage configuration. The water reservoir may include a dual-purpose lid.

Abstract: Embodiments of the present invention provide improved water fill capabilities, improved coffee baskets, and improved steam diverting and management features for coffee makers used on board passenger transport vehicles.

Abstract: A brewing material holder includes a spinning assembly for uniformly dispersing water into brewing material. The spinning assembly may be attached to a removable holder lid or reside in the base of the holder. When water is pumped into the holder, the flow of water is sprayed into brewing material contained in the brewing chamber. On one embodiment, water is pumped into the brewing material holder, and the flow of water causes the spinning assembly to spin by the water flowing past gears or a propeller, or by tangential jets on the spinning member. In another embodiment, the coffee maker includes a rotating shaft engaging the brewing material holder to cause the spinning assembly to spin, or may include stator winding creating a rotating magnetic field in the brewing chamber to cause the spinning assembly to spin.

Abstract: A pressurized boiler comprises a first three-way valve, a dispenser, and a control card. The first valve comprises a seat integrated in the boiler and a pilot screwed into the seat. The dispenser receives hot water from the boiler through a first pipe and comprises a plurality of consecutively connected serving elements, each of which has three branches, which include closing means controlled by the card and which enable the direction of hot water towards a selected hot beverage serving. The first valve enables the direction of hot water from the boiler towards the dispenser and air towards the dispenser, draining the water downstream from the boiler so that it does not remain in the system and cool down between two consecutive servings. The boiler and the dispenser can be remotely disposed relative to each other.

Abstract: A cartridge (1) for coffee or soluble products for producing a beverage, includes a container (2) able to contain the coffee or soluble product, a lid (6) disposed over the container so as to define a top wall for entry into the container of the hot water under pressure for formation of the beverage, a filter (4) able to be positioned inside the container above a bottom wall (20) of the container through which the beverage flows out, wherein the bottom wall of the container has a weakened, less thick central area (22), suitable to be broken by mechanical elements or by the pressure of the liquid inside the cartridge to allow delivery of the beverage, there being provided a plurality of concentric, spiral-shaped channels, ending in the less thick central area, able to cause a swirling movement of the beverage, with the consequent formation of a dense froth.

Abstract: The beverage producing device comprises a housing (3) and a removable water container (9) which is designed to be connected to the outside of said housing (3) in an operative position, when the device is in use. The water container is further designed to be recoverable in an inoperative position inside a recovery seat (27) formed by said housing or parts thereof, when the device is not in use.

Abstract: The present invention relates to a system for producing a beverage from portioned ingredients provided within a capsule or pod, the system including a base station including a (e.g. removable) water reservoir of large capacity, and an autonomous beverage preparation module including an extraction head and being removably connectable to the base station from an autonomous-use mode to docked-use mode. The autonomous module includes a water inlet connection member. The autonomous module and the base station respectively include matching positioning members which engage when the beverage preparation module is connected to the base station in the docked position, and the system includes alternative water supply members and water outlet connection members adapted for connecting to the water inlet connection member of the module for supplying water to the module when the module is in the autonomous-use mode.

Abstract: Device for producing a frothed liquid comprising a chamber opened to atmosphere with a transverse bottom wall and a longitudinal upward wall, at least one diluent inlet, at least one liquid delivery outlet. The at least one diluent inlet comprises a first diluent inlet provided through the upward wall and dimensioned and oriented for directing a thin jet of diluent in the chamber. The at least one liquid delivery outlet is configured in the bottom wall for liquid to rise up along the side of the upward wall by the jet of diluent entering the chamber as a result of the direction and dimension of the diluent inlet in the chamber.

Abstract: An apparatus includes a body, a first container for positioning on the body and a second container for positioning on the body. An interface is positioned on the body to accept preparation parameters for tea latte. A boiler within the body receives water from the first container and milk from the second container. A heater adjacent to the boiler heats the water and the milk in accordance with at least one preparation parameter. A filter and a dispensing valve are controlled electronically.

Abstract: A method and apparatus for forming a beverage. Movement of a brew chamber may automatically enable the provision of beverage precursor liquid into a reservoir in a brewer, which is then used (heated or not) to form a beverage. For example, closing of the brew chamber may cause a lid for a water reservoir to be fully opened or otherwise permit movement of the lid to allow access to the reservoir, allowing a user to provide water into the reservoir. The reservoir lid may open with an abrupt action, causing attention to be drawn to the reservoir lid. In another arrangement, closure of the brew chamber may cause actuation of a baffle, pump, valve or other device to provide a suitable amount of water to a reservoir for beverage formation. In another arrangement, opening of the brew chamber may cause the reservoir lid to be automatically and simultaneously opened with the brew chamber.

Abstract: A reusable brewing cartridge includes a lid having a permanent injection nozzle passage and includes an extraction nozzle pocket permanently open at the top of the cartridge allowing use in a coffee maker configured to puncture a single use disposable cartridge lid with both the injection and extraction nozzles. The cartridge thus avoids puncturing contact with the extraction needle. The reusable brewing cartridge includes at least one passage in a cartridge base allowing brewed drink to escape the reusable brewing cartridge into a coffee container.

Abstract: A beverage preparation machine for dispensing beverages comprising: a housing; a first reservoir station; a first reservoir for containing an aqueous medium, the first reservoir being connectable to said first reservoir station; an auxiliary module station for receiving an auxiliary module.

Abstract: A device (1) has: a cartridge seat (10) arranged to receive an ingredient cartridge (2) for extraction; a beverage outlet (35) connected to this cartridge seat for dispensing beverage during extraction; and a liquid injection arrangement (50, 60, 61, 70, 80, 81) comprising a pump (60) for pressurizing and circulating liquid from a source (50) via the cartridge seat into the beverage outlet. The liquid injection arrangement further comprises a valve (80?) between the pump and the cartridge seat. The liquid injection arrangement is configured to release via the valve (80?) pressure from this pressurized liquid in the injection arrangement and maintain liquid in the injection arrangement from the pump (60) to the cartridge seat (10) after the pump is stopped, so as to inhibit dripping from the beverage outlet (35).

Abstract: A priming valve device for a beverage machine. The device includes a casing assembly including a water inlet, a water outlet, and a drain and venting portion for discharging water or air during priming and a valve assembly associated with the casing assembly. The valve assembly includes a valve member which is moveable to a closed position which closes the water outlet by elastic return when the pressure in the water inlet decreases under the elastic return pressure of the valve member.

Abstract: Embodiments are directed towards regulating flow rate in an espresso machine, during a multi-phase brewing process which includes a pre-brew and an extraction phase. During the pre-brew phase, coffee grounds are slowly pre-wetted and/or out-gassed with a first volume of water delivered at a first flow rate. During the extraction phase, a second volume of water is delivered, at a second flow rate, to extract espresso, where the second volume is delivered at a generally greater pressure than the first volume. The second flow rate is greater than the first flow rate. The flow rates, volumes, and pressures are regulated by the espresso machine, which includes a flow rate regulation assembly that comprises first and second flow paths and first and second valves. Baristas may vary the flow rate, volume, and pressure of water throughout the brewing process by opening, closing, or otherwise adjusting at least one of the valves.

Abstract: The present invention concerns a heating unit (100) for a beverage preparation machine (1) said machine (1) being suitable for preparing a beverage by mixing a beverage ingredient with a fluid, said machine comprising a pump for circulating said beverage preparation fluid through said machine at least from a fluid source to said heating unit, the heating unit (100) being suitable for heating said fluid and comprising: a housing (103) defining a fluid heating chamber (108), and a heating element (104) located inside said housing (103) and being adapted to heat said fluid therein, wherein the heating unit (100) further comprises a pre-heating tube (101) for conveying said fluid received from said pump through said heating unit (100), the pre-heating tube (101) comprising a tube inlet (102) and a tube outlet (107), the tube outlet (107) connecting with the heating chamber (108), and wherein the pre-heating tube (101) is located at least partly within the housing (103) in such a way that the heating element (104)

Abstract: An apparatus including a removable filter carrier and a beverage maker is disclosed with a receiver for the removable filter carrier, a showerhead, and sealing surface. The filter carrier is linearly inserted into the receiver via a front face of the beverage maker. The receiver may also include the locking mechanism. The locking mechanism includes a lever that is actuated to operate the locking mechanism. Actuation of the lever is translated to lift and clamp the filter carrier against the seal surface.

Abstract: A brewer, system, and method of use for producing and dispensing a beverage. The apparatus, system, and method of use includes a receiver for receiving a brewing substance container. The receiver receives the container, positions it for infusion with heated water, and then positions the container for removal from the receiver. The present apparatus, system, and method minimizes the drive mechanisms associated with the apparatus and improves the control and reliability of the apparatus. The apparatus facilitates collection and dispensing of beverage produced in the receiver and removal of the brewing substance container from the receiver.

Abstract: The disclosure relates to a beverage preparation module intended for installation in a self-service beverage vending machine. According to the disclosure, a water connection and a preparation device for preparing a beverage by means of water provided at the water connection are provided. Beverage preparation parameters can be transmitted to a control unit via a communication interface. The control unit is configured to control the preparation device in order to prepare a beverage based on the beverage preparation parameters. A beverage outlet for discharging the beverage prepared by the preparation device is provided. In one embodiment, at least one additional module interface is provided for connecting the control unit to at least one additional module.

Abstract: A beverage forming method and system in which a carafe is positionable at a carafe receiving area of a beverage forming machine with a lid of the carafe in an open position or a closed position. The carafe may be positioned at the carafe receiving area in any one of multiple rotational positions within a range of 45 to 180 degrees, and the machine may detect whether the lid is open or not for any of the rotational positions. A drip tray may receive waste liquid into two different waste liquid receiving areas, and may detect the presence of liquid for different volumes received into the respective areas. Holes or other opening in the drip tray may be configured to receive liquid flowing down a side surface of a carafe when the liquid reaches a periphery of the carafe base.

Abstract: The invention relates to a brewing apparatus, in particular for coffee, comprising a drainage valve, which is located on the one hand in a brewing liquid path between a brewing liquid container and a brewing unit of the brewing apparatus and on the other hand, in a drainage liquid path between the brewing unit and an outlet of the brewing apparatus. In a brewing position of the drainage valve, the brewing liquid path is released and the drainage liquid path is blocked. The brewing apparatus is characterised by a drainage position of the drainage valve in which both the drainage liquid path and also the brewing liquid path are released and a decalcification position of the drainage valve in which the brewing liquid path is blocked and a decalcification liquid path is produced between the brewing liquid container and the outlet via the drainage valve.

Abstract: A modular infuser includes a back plate assembly containing drive mechanisms and supporting a belt assembly, and infusing and mixing chambers. The belt assembly includes rollers rotating a continuous filter belt in either direction, an annular seal, and a funnel directing liquid to a removable, rotatable spout. The infusing chamber moves between having the bottom clamped to the seal through the filter belt and being spaced apart from the filter belt to allow waste removal by rotation of the filter belt. The mixing chamber receives and mixes ingredient and water, passing the mixture into the infusing chamber below. Replacement of the filter belt with different mesh sizes and of the removable spout with different inner diameters allows the mechanism to be easily adapted for different beverages, such as coffee or tea. Multiple instances of the modular infuser may be mounted in a single vending machine.

Abstract: A device (1) has: a cartridge seat (10) arranged to receive an ingredient cartridge (2) for extraction; a beverage outlet (35) connected to this cartridge seat for dispensing beverage during extraction; and a liquid injection arrangement (50, 60, 61, 70, 80, 81) comprising a pump (60) for pressurizing and circulating liquid from a source (50) via the cartridge seat into the beverage outlet. The liquid injection arrangement further comprises a valve (80?) between the pump and the cartridge seat. The liquid injection arrangement is configured to release via the valve (80?) pressure from this pressurized liquid in the injection arrangement and maintain liquid in the injection arrangement from the pump (60) to the cartridge seat (10) after the pump is stopped, so as to inhibit dripping from the beverage outlet (35).

Abstract: This invention relates to a brew group for an infusion machine, in particular a machine for espresso coffee, having infusion means (43, 43b) designed for the preparation of infusions, a holding chamber (41) hydraulically connected to the said infusion means (43, 43b) and having at least two liquid inlets (411) allowing the delivery of liquids and heating means (46) capable of directly heating the liquids delivered to the holding chamber (41) through the inlets such as to hydraulically feed the infusion means (43, 43b) for the preparation of infusions. The invention also relates to a machine which includes the brew group and a method for operating the machine.

Abstract: The invention concerns a beverage production device (10) comprising a first dissolution chamber (1), said first dissolution chamber being configured for producing a beverage by mixing a beverage concentrate and a diluent and comprising:—at least one diluent inlet (11a, 11b) and—at least one liquid delivery outlet (12),—a bottom wall (13), the at least one liquid delivery outlet (12) being set in said bottom wall, wherein the device comprises a second dilution chamber (2), said second dilution chamber comprising a top wall (21), and—at least one liquid inlet (22) through the top wall, said liquid inlet being the liquid delivery outlet (12) of the first dissolution chamber, and—at least one diluent inlet (23) configured for introducing a diluent in the second dilution chamber and mixing said diluent with the liquid flowing from the at least one liquid inlet (22) through the top wall.

Abstract: A beverage preparation machine (1) comprises: a base (10) having a fluid circuit for conditioning and delivering a fluid via a base outlet (11) and a base data interface (12,13); and a removable module (20) having a module inlet (21) and a module data interface (22,23) disconnectably connectable to the base outlet and the base data interface, respectively. The data base interface (12,13) and the module data interface (22,23) are mechanically connectable and disconnectable along a direction (2) of the connection and disconnection of the base outlet (11) and the module inlet (21).

Abstract: Shown is an apparatus for brewing a beverage, such as coffee, as well as associated methods for brewing a beverage. Apparatuses and methods are included to reduce labor involved in pour-over brewing techniques, while providing greater consistency in the results. Manual and/or automatic movements are provided to a filter (e.g., rotation) and/or a nozzle dispensing liquid over the filter. Water dosage and timing therefore can be automated to the filter. The nozzle can be positioned off-center with respect to the filter to ensure wetting thereof. The nozzle can be made movable for constrained changes to the path of liquid flow relative to the rotating filter.

Abstract: A beverage forming system and method in which characteristics of a dispensed beverage are controlled. A beverage forming system may include an outlet chamber having an inlet opening to receive beverage from a beverage forming chamber, and an outlet opening to output beverage. The outlet chamber may have a standpipe in the outlet chamber between the inlet and the outlet openings that prevents a direct passage of beverage to the outlet openings, thus controlling characteristics of the beverage, such as an amount of foam, the size of bubbles in a foam, etc. The standpipe may have a portion extending upwardly from a bottom of the outlet chamber and impeding a direct flow path to between the inlet and the outlet openings, thus forcing flow to pass around and/or over the standpipe portion.

Abstract: A method for preparing hot beverages in a hot beverage machine by possibly repeatedly pumping a specific quantity of water from a water tank into a heating device, heating the quantity of water, pumping the heated quantity of water out of the heating device into a brewing chamber and possibly at the same time pumping a further quantity of water out of the water tank into the heating device, brewing a brewing substance contained in the brewing chamber to produce a hot beverage, and finally converting the quantity of water last pumped into the heating device completely into steam in a controlled manner for forcing liquid out of the entire line system downstream of the heating device.

Abstract: The present invention provides a beverage machine that heats up water in the upper water chamber(s). The water has direct contact with an electric heating system and the heated water flows by gravity and being distributed by a pour over system into an underlying filter basket. The hot water chamber comprises a sensor for water temperature. Once the water reaches an optimal temperature, a motor and gear system would drive a valve open and allow the heated water to flow into the underlying filter basket. The present invention allows certain amount of water to be heated up in individual batch, thereby making it easy to manage water temperature in every batch.

Abstract: A machine is provided for preparing a desired product from a capsule containing desired ingredients. The machine includes a brew chamber that is adapted to hold the capsule at a downward angle relative to a horizontal plane. A cover for the brew chamber is adapted to move between an open position and a closed position. A loading mechanism is provided for extending and retracting the brew chamber. An injection system is provided for injecting a fluid into the capsule. A fluid transfer system is provided for transferring a desired fluid from a fluid source to the injection system. A dispensing system is provided for dispensing product to a receptacle. A reusable capsule is also provided for use with the machine.

Abstract: A beverage maker, such as a pump espresso machine, comprises a noise attenuator reducing pump noise. The noise attenuator has a housing with an inlet chamber receiving inlet flow from an inlet port, the inlet chamber having compliant walls permitting volumetric expansion. An outlet chamber in the noise attenuator housing has an outlet port and spheroidal walls. A flow-restrictor is disposed between the inlet and outlet chambers. An elastomeric insert in the housing forms the inlet chamber and at least part of the outlet chamber.

Abstract: A beverage preparation machine of the type which uses pre-packaged containers of beverage ingredients comprises a cartridge recognition device for determining the type of beverage to be prepared from a cartridge inserted into the machine and a variable geometry valve located downstream of a cartridge when inserted in the machine. The valve enables preparation of beverages at a range of pressures by having at least an open position and at least one restricted flow position, and a controller for selecting an initial valve position and controlling the subsequent operation of the valve according to the determination of the type of beverage to be prepared by the cartridge recognition device.

Abstract: A beverage preparation machine has at least one pinch valve (1) in the fluid line system, wherein the pinch valve (1) has at least two fluid passage lines (20, 21) and is designed to execute valve and/or control functions on the fluid passage lines (20, 21). The operating mechanism of the pinch valve (1) is set up for coupled activation of the valve and/or control functions and a drive with a stepper motor (25) is provided.

Abstract: A method and apparatus for opening and closing a door of a beverage forming machine, e.g., for accessing a beverage forming station. The door may be opened by retracting the door into an interior space of the housing, e.g., by moving the door rearwardly. When at the closed position, at least one edge of the door may be flush with an adjacent outer housing portion.

Abstract: A beverage brewing device includes a pump that delivers water at a controlled rate to a heater via a conduit, and subsequently to a dispensing outlet for brewing a beverage. The heater heats the water to a target temperature designated by a user via a control interface. A thermal sensor measures the temperature of the heated water, and logic circuitry of a controller determines the presence of a deviation relative to a user-designated temperature. If a difference is detected, the controller affects the pump, correspondingly affecting a flow rate of water through the heater, until a water temperature measurement attains the designated temperature. A display device displays water temperature, flow rate, or user-selectable operational settings. Additionally, a bypass conduit having a user-adjustable flow control device diverts a portion of the heated water past a flavoring medium and into a brewed beverage reservoir at a controlled, user-variable flow rate.

Abstract: A bottle pouring dispenser featuring a dispenser housing having a lower end configured to be removably attached to and cover an open end of a bottle. The bottle pouring dispenser includes a valve providing one-way hydraulic communication from the bottle to a chamber defined within the dispenser housing. The dispenser housing has upper and lower chamber portions. A flavorant is disposed within the upper chamber portion in solid form and it is dissolvable in liquid so as to add flavoring to liquid flowing through the chamber. The flavorant is held spaced above a floor of the chamber, such that a lower portion of the chamber defines a drain volume beneath the flavorant for receiving liquid draining from about the flavorant. The bottle pouring dispenser further includes a pour spout extending from an upper end of the dispenser housing, for dispensing the flavored liquid from the chamber.

Abstract: A beverage forming method and system in which a heater tank can be filled with liquid to an expansion level after a beverage is formed. The liquid in the heater tank may be heated, causing expansion of the liquid in the tank. Thereafter, a volume of liquid may be delivered to the tank to fill the tank to a liquid delivery level at which the tank is filled to deliver a controlled volume of liquid to form a beverage. No further heating of liquid in the tank may be performed or required after filling to the delivery level since the volume of liquid delivered to fill the tank to the liquid delivery level may be relatively small. Accurate volumes of liquid may be delivered in a way that compensates for any expansion that may occur due to heating.

Abstract: In a beverage brewing apparatus and method for brewing a beverage from a ground ingredient, a filter is configured for containing the ground ingredient. A distribution system is coupled in fluid communication with a source of liquid. A showerhead is disposed above the filter and is coupled in fluid communication with the distribution system for receiving liquid from the source of liquid. The showerhead is rotatable about a rotation axis thereof and has an exit nozzle through which liquid delivered to the showerhead by the distribution system exits the showerhead for delivery to the filter. The exit nozzle is located other than at the rotation axis of the showerhead such that liquid is channeled into the filter in a generally circular pattern upon rotation of the showerhead.

Abstract: A beverage preparation machine of the type which uses pre-packaged containers of beverage ingredients comprises a cartridge recognition device for determining the type of beverage to be prepared from a cartridge inserted into the machine and a variable geometry valve located downstream of a cartridge when inserted in the machine. The valve enables preparation of beverages at a range of pressures by having at least an open position and at least one restricted flow position, and a controller for selecting an initial valve position and controlling the subsequent operation of the valve according to the determination of the type of beverage to be prepared by the cartridge recognition device.