Patent Grant
11180309
This invention relates generally to the dispensing or other extraction of fluids from within a container, e.g., in the dispensing of wine from a wine bottle. Beverage dispensers, including devices arranged to clamp to a container, are described in U.S. Pat. Nos. 9,010,588 and 7,712,637.
One or more embodiments in accordance with aspects of the invention allow a user to withdraw or otherwise extract a beverage, such as wine, from within a bottle that is sealed by a cork, plug, elastomeric septum or other closure without removing the closure. In some cases, removal of liquid from such a bottle may be performed one or more times, yet the closure may remain in place during and after each beverage extraction to maintain a seal for the bottle. Thus, the beverage may be dispensed from the bottle multiple times and stored for extended periods between each extraction with little or no effect on beverage quality. In some embodiments, little or no gas, such as air, which is reactive with the beverage may be introduced into the bottle either during or after extraction of beverage from within the bottle. Thus, in some embodiments, a user may withdraw wine from a wine bottle without removal of, or damage to, the cork, and without allowing air or other potentially damaging gasses or liquids entry into the bottle.
In one aspect of the invention, a beverage dispensing device includes a body with a needle arranged to receive a flow of beverage under pressure from a beverage container and to dispense the beverage at a dispensing outlet of device. For example, the needle may include one or more lumens or passageways that receive beverage under pressure from a container, such as a wine bottle. In some embodiments, the needle may be passed through a cork or other closure of the container to both introduce pressurized gas into the container and receive beverage from the container. Beverage delivered by the needle to the dispensing outlet may be dispensed into a user's cup or glass.
In one aspect of the invention, a container-mounted beverage dispensing system includes at least one conduit to deliver gas into a container holding a beverage, such as a bottle of wine, and to receive beverage from the container for dispensing in a user's cup. At least one valve may be adapted to control gas flow into the container or beverage flow out of the container via the at least one conduit, and a controller may be adapted to automatically control the at least one valve to allow gas flow in the at least one conduit to purge the at least one conduit of beverage or other material before a dispensing operation is about to begin and/or after a dispensing operation is complete. In one embodiment, the device may include a movement sensor, such as an accelerometer, to detect movement of the body (thus indicating a dispensing operation is about to begin or has been completed), and the controller may control the at least one valve to allow gas flow in the at least one conduit to purge the at least one conduit of beverage after the movement sensor detects that the body is moved from a rest position or that the body has been moved from a dispensing condition to a non-dispensing condition. A rest position may be a position in which the device remains stationary for longer than a threshold period of time, e.g., 5 minutes or more, and movement from the rest position may indicate that a user is about to use the system to dispense. Movement from a dispensing condition to a non-dispensing condition could be movement from a pouring orientation to a non-pouring orientation, or movement from a position in which the at least one conduit is in fluid communication with a beverage container to not being in fluid communication with the container. This may allow the device to purge any remaining beverage from a needle or other conduit (e.g., to avoid cross contamination of beverages), remove cork particles or other debris from the needle or other conduit (which may have been lodged in the needle when being withdrawn from a cork), or otherwise remove unwanted material from the needle or gas/beverage flow path before a next dispensing operation. While movement of the device may be used to determine a dispensing operation is about to begin or has just been completed, the controller may detect that a dispensing operation is about to begin or has been completed in other ways, such as by employing a sensor to detect that a clamp or other element is secured, or not, to a container neck, a sensor to detect that the device is near a beverage container, or not (e.g., by the device reading an RFID tag on the container), by a user pressing a button or otherwise indicating to the device that a dispensing operation is about to begin or has ended, by detecting that the at least one conduit is in fluid communication with a beverage container or not, etc.
In some cases, the device may be able to automatically dispense beverage based on how a user manipulates the device when the device is engaged with a beverage container. For example, the movement sensor may be arranged to detect whether a container to which the device is attached is in a pour orientation or a no-pour orientation, e.g., whether the container is tilted to a generally horizontal orientation or is in a generally vertical orientation. The controller may be adapted to control the at least one valve to allow gas flow in the at least one conduit when the container is in a pour orientation to dispense beverage, and to control the at least one valve to stop gas or beverage flow when the container is moved from the pour orientation to the no-pour orientation.
The dispensing device may use one or more conduits to deliver gas into the container and receive beverage from the container, and these one or more conduits may be purged during a purge operation. In some cases, a single conduit may be used for both gas and beverage flow and the single conduit may be part of a needle arranged to be inserted through a cork in an opening of the container. In other cases, a first conduit may be used to deliver gas into the container and a second conduit to receive beverage from the container. The first and second conduits may be part of a needle arranged to be inserted through a cork in an opening of the container. This may allow a user to access wine or other beverage in a container without pulling or otherwise removing the cork or other closure. Purging of a single conduit needle may be done by directing pressurized gas into the needle as is done during the dispensing operation. Purging of a multi-conduit needle may be done in different ways, e.g., gas flow may be introduced into the first conduit and/or into the second conduit to purge the first conduit or second conduit of any beverage or other material. As noted above, at least one valve is used to control gas and/or beverage flow, and the at least one valve may include a gas control valve arranged to control flow of gas from a source of pressurized gas to the at least one conduit, and/or a beverage control valve arranged to control flow of beverage from the at least one conduit to a beverage outlet. These valves may be controlled as suitable to perform a purging operation.
In embodiments where the device performs a purging operation after a dispensing operation is complete, the controller may determine that a dispensing operation is complete in different ways. For example, in some embodiments the device may be capable of automatically dispensing beverage in response to the device and attached container being moved a pour orientation. When the container is moved to a no-pour orientation, dispensing of beverage may be stopped, e.g., by stopping a flow of gas into the container or stopping flow of beverage from the container. If the container remains in the no-pour orientation for a period time, e.g., longer than 10 seconds, the device may determine that dispensing is complete and perform a purge operation to purge a gas and/or beverage conduit. Thus, the controller may be adapted to control the at least one valve to purge the at least one conduit after the movement sensor detects that the container is moved from the pour orientation to the no-pour orientation.
The controller may determine that a dispensing operation is complete is other ways. For example, the controller may be adapted to detect when the at least one conduit is out of fluid communication with an interior space of the container, and in response purge the at least one conduit. For example, the controller may employ a sensor to detect that a needle has been withdrawn from a cork or other closure and determine that dispensing is complete and purging should be performed. The sensor may detect that a body to which the needle is attached has been moved relative to a base of the device that indicates the needle has been withdrawn. In other embodiments, the controller may detect that the device is located remotely from a container, and thus that dispensing is complete. Or the controller may detect that the device has remained stationary for an extended period of time and perform a purge operation in response.
In another aspect of the invention, a container-mounted beverage dispensing system includes a body, at least one conduit associated with the body to deliver gas into a container holding a beverage and to receive beverage from the container for dispensing in a user's cup, and at least one valve attached to the body to control gas flow into the container or beverage flow out of the container via the at least one conduit. A source of pressurized gas may be fluidly coupled to the at least one conduit, and a controller may be adapted to provide a visual display indicating at least one of the following: that the body has been moved from a rest position and the system is ready to dispense beverage, that the at least one conduit is in fluid communication with an interior of the container, and that the controller is controlling the at least one valve to deliver gas to the container or dispense beverage from the container. These types of displays, particularly when combined in a single system, may provide a user with useful feedback so the user can understand whether and how a system is operating, and whether corrective action should be taken. For example, if the device normally displays an indication that it has “woken up” upon movement, but does not do so when a user picks up the device, the user may conclude that a battery or other power supply must be charged or replace. A failure of the system to indicate that a needle or other conduit is in fluid communication with the interior of the bottle may advise the user that the needle should be more fully inserted into the container or other adjustment is needed.
In one embodiment, the system includes a movement sensor to detect movement of the body, and the controller is adapted to provide the visual display indicating that the system is ready to dispense beverage in response to the movement sensor detecting movement of the body from the rest position. The rest position may be a position in which the body remains stationary for more than a threshold period of time. For example, the visual display indicating that the system is ready to dispense beverage may include illuminating a light bar in a continuous fashion, e.g., with a blue color. If the system is not ready to dispense, such as because of low gas supply pressure or other problem, the light bar may be illuminated with a red color, as an example.
In one embodiment, the controller is adapted to provide the visual display indicating that the at least one conduit is in fluid communication with an interior of the container. For example, the at least one conduit may be part of a needle arranged to be inserted through a cork in an opening of the container, and the controller may be adapted to detect that the needle is inserted through the cork. In one embodiment, a pressure sensor of the system may be in fluid communication with the at least one conduit, and the pressure sensor may be adapted to detect an indication of pressure in the at least one conduit. That is, the controller may be adapted to control the at least one valve to introduce pressurized gas into the container via the at least one conduit, and the controller may be adapted to determine that the at least one conduit is in fluid communication with the container if the pressure sensor detects an indication of pressure that is above ambient pressure after the pressurized gas is introduced into the container. The visual indication may be to illuminate a light bar with a color, such as a green color. The controller may detect the needle is in fluid communication with the interior of the container in other ways, such as by employing a conductive sensor that detects liquid in the container contacting the needle, that a portion of the system such as the body which carries the needle has been moved relative to the container or another part of the system such as a container clamp in a way that indicates that the needle is inserted into the container, and others.
In some embodiments, the controller may be adapted to provide the visual display indicating that the controller is controlling the at least one valve to deliver gas to the container or dispense beverage from the container. As an example, the visual display may include illuminating a light bar so as to suggest movement. The light bar may have multiple portions that can be selectively illuminated, and to suggest movement, portions near a center of the light bar may be illuminated first, followed by portions that are successively positioned away from the center. In one case, the light bar may be illuminated with a green color in such a way that suggests movement. As described above, controlling of the at least one valve to dispense beverage may include controlling a gas control valve arranged to control flow of gas from the source of pressurized gas to the at least one conduit, and/or controlling a beverage control valve arranged to control flow of beverage from the at least one conduit to a beverage outlet.
Of course, the system may be arranged to provide some or all of the display indications above in any combination, as well as other display indications. When employing a light bar to provide visual indications, different colors and/or illumination patterns of the light bar may be associated with different system states, such as a blue color to indicate the system is awake and ready for use, a green color to indicate the needle or other conduit is in fluid communication with the interior of the container, and a green color that suggests movement to indicate the system is operating to dispense beverage. Other indications may be provided for other conditions, such as a red color to indicate a need for gas supply replacement or battery charge, a flashing blue color to indicate the system is clamped or otherwise engaged with a container neck, and so on. Of course other display types are possible, including audible displays, alphanumeric or icon displays, and so on, and such displays may be provided on a dispensing device or other component, such as a user's smartphone.
In another aspect of the invention, a beverage dispensing device may include a base to engage with a neck of a beverage container, and a body movably mounted to the base between upper and lower positions and having a needle attached to and extending from the body. The needle may be arranged to be inserted through a closure of a beverage container to introduce pressurized gas into the beverage container and extract beverage from the container. A container sensor may be arranged to detect that the container neck is engaged by the base, and a needle sensor may be arranged to detect that the needle is inserted through the closure of the beverage container. Thus, in some cases, the dispensing device may be controlled and/or information provided to a user based on information from the container and/or needle sensor so that gas delivery or beverage dispensing is enabled only once the device is suitably engaged with a beverage container and/or a needle is inserted through a closure.
In some embodiments, a controller may be arranged to enable gas flow and provide a suitable display to a user if the container sensor detects engagement of the container with the base and the needle sensor detects the needle inserted through the closure. As an example, the base may include a clamp to engage with a neck of the container, and the container sensor may detect that the clamp has engaged with the container neck. In some cases, the container sensor includes a switch that is actuated by contact of a container neck engaged by the clamp. The base may include a stop arranged to contact a top of a neck of the container when the container neck is engaged by the base, and the container sensor may include a switch that is actuated by contact of the top of the container neck with the switch. The stop may include a needle guide arranged to guide movement of the needle through the closure of the container. Upon insertion of the needle, the device may provide an indication to the user that the needle is in fluid communication with the interior of the container.
In some embodiments, the body is movable relative to the base between an upper position and a lower position, and the needle sensor includes a switch that is actuated when the body is in the lower position relative to the base. Thus, the needle sensor may be arranged to detect that the needle is inserted through the closure of the beverage container when the container sensor detects that the base is engaged with a container neck and the needle sensor switch is actuated to indicate the body is in the lower position. As in embodiments above, the body may include a clamp to engage with the container neck, the container sensor may be actuated by a container neck engaged by the clamp, and the needle sensor may detect that the body is in a lower position relative to the clamp to indicate that the needle is inserted through the closure. In some cases, a controller may be arranged to enable gas flow only if the container sensor switch is actuated by the container neck and the needle sensor switch is actuated by the body at the lower position.
In one embodiment, the body may be movable between an upper position and the lower position relative to the base, and the device may include a latch that releasably locks the body in the upper position until the container sensor is actuated by the container neck. The latch may be arranged to release the body for movement from the upper position to the lower position to insert the needle through the closure upon actuation of the container sensor. For example, the latch may be electrically actuated by a controller to release the body for movement when the container sensor detects engagement with a container.
In some embodiments, the device may include a source of pressurized gas arranged to deliver pressurized gas into a beverage container. The device may be fluidly coupled to the beverage container, e.g., by a needle, to receive the flow of beverage under pressure caused by the pressurized gas in the beverage container. A valve may be arranged to control a flow of pressurized gas into the beverage container or to control the flow of beverage under pressure from the beverage container. For example, if the device includes a needle arranged to be inserted through a closure of a beverage container to deliver the pressurized gas into the beverage container, a valve may be used to control flow of pressurized gas into the needle, and/or to control flow of beverage under pressure from the beverage container through the conduit.
In one embodiment, a dispensing system may include a container movement sensor to detect whether the container is in a pour orientation or a no-pour orientation, and a controller may be arranged to control at least one valve to allow gas or beverage flow when the container is in a pour orientation and to control the at least one valve to prohibit gas or beverage flow when the container is in a no-pour orientation. For example, the container movement sensor may detect a pour condition when a bottom of the container is above an opening of the container, and/or when a longitudinal axis of the container is rotated about a horizontal axis by at least 90 degrees. Thus, for example, a user may tilt or otherwise manipulate a wine bottle or other container in a way similar to that used to conventionally pour beverage from the bottle, and the system may automatically begin or otherwise control dispensing based on container position, as well as stop dispensing when the bottle is tilted back to an upright or nearly upright position.
In some cases, the controller may be arranged to open the at least one valve to allow pressurized gas to flow into the container when the container is in a pour orientation and to close the at least one valve to prohibit pressurized gas to flow into the container when the container is in a no-pour orientation. Such an arrangement may be useful when two conduits are used to access the container where one conduit delivers gas into the container and the other conduit delivers beverage from the container. In another embodiment, the at least one conduit, such as a needle, includes a single conduit, and the controller is arranged to alternate between opening the at least one valve to allow pressurized gas to flow into the container via the single conduit and closing the at least one valve to prohibit pressurized gas to flow into the container and allow beverage to flow from the container via the single conduit when the container is in a pour orientation. In another arrangement, the controller may be arranged to open the at least one valve to allow beverage to flow from the at least one conduit to a beverage outlet when the container is in a pour orientation and to close the at least one valve to prohibit beverage to flow from the at least one conduit to the beverage outlet when the container is in a no-pour orientation.
In some embodiments, the controller may be arranged to control the at least one valve to dispense a defined amount of beverage from the container. For example, if a user tilts a bottle so as to conventionally pour from the bottle, the system may automatically dispense a defined amount of beverage, such as 6 ounces, and stop dispensing even if the bottle is kept in a pour orientation. To dispense another serving, the user may be required to put the bottle in a no-pour orientation and then again to a pour orientation. In some embodiments, the controller may be arranged to control the at least one valve in two modes including a first mode for maximized beverage dispensing speed and a second mode for minimized pressurized gas usage. This may allow a user to control the rate at which beverage is dispensed, or to conserve dispensing gas as needed.
Various exemplary embodiments of the device are further depicted and described below.
Aspects of the invention are described with reference to various embodiments, and to the figures, which include:
Aspects of the invention are described below with reference to illustrative embodiments, but it should be understood that aspects of the invention are not to be construed narrowly in view of the specific embodiments described. Thus, aspects of the invention are not limited to the embodiments described herein. It should also be understood that various aspects of the invention may be used alone and/or in any suitable combination with each other, and thus various embodiments should not be interpreted as requiring any particular combination or combinations of features. Instead, one or more features of the embodiments described may be combined with any other suitable features of other embodiments. For example, different clamp, latch and sensor configurations are discussed below, and it should be understood that various combinations of clamp, latch and/or sensor features may be made.
In this embodiment, the body 3 also includes at least one valve to control the flow of gas and/or a flow of beverage from the container 700. In this embodiment, a gas control valve 36 is provided to control the flow of gas from the gas source 100 to a flow path in fluid communication with the interior of the container 700, and a beverage control valve 37 to control the flow of beverage from the container 700 to a dispensing outlet 38. (In some embodiments, the dispensing outlet 38 or a portion of the outlet 38 such as a tube may be removable or replaceable, e.g., for cleaning.) However, other arrangements are possible, e.g., a single valve may control the flow of both gas and beverage (e.g., using a three-way valve), a single valve may be used to control gas flow only (e.g., a beverage flow conduit may be always open from the container interior to the dispensing outlet and beverage may flow as gas is introduced into the container), or a single valve may be used to control beverage flow only (e.g., gas flow from the gas source 100 to the container 700 may be always open with the device 1 engaged with a container 700 and beverage flow may be controlled by opening/closing a beverage control valve only). One or both valves 36, 37 may be controlled by a controller 34, i.e., control circuitry. For example, the controller 34 may detect when the device 1 is engaged with a container 700 and/or that a conduit is in fluid communication with an interior space of the container 700, e.g., by detecting that the needle has been inserted through a cork or a device clamp is engaged with a container neck, and then control the valves accordingly. Where not controlled by a controller 34, the valves 36, 37 may be manually operable by a user, and/or a user may provide input to the controller 34 via a user interface (button, touch screen, etc.) to cause the valves to open and/or close. As another option, operation of the valves may be tied together, whether mechanically or via electronic control, e.g., so that when one valve is opened, the other valve is closed, and vice versa, or so that when one valve is open the other valve is open as well (such as when using a two lumen needle to access the interior of the container 700).
To introduce gas into the container 700 and extract beverage, at least one conduit is put in fluid communication with the interior of the container 700. In this embodiment, a needle 200 attached to the body 3 is inserted through a cork or other closure 730 that seals an opening at a neck of the container 700, as shown in
With the needle 200 suitably inserted as shown in
In accordance with an aspect of the invention, the dispensing device may include a sensor arranged to detect that the device is engaged with a container 700 and/or that a conduit, e.g., of a needle, is in fluid communication with the interior of the container 700 or not. For example, in one embodiment, a sensor may detect that a needle is inserted through the closure of the beverage container, putting a conduit of the needle in fluid communication with the interior of the container 700. In this illustrative embodiment, the device 1 includes a container sensor 81 that is attached to the needle guide 202 and that detects when a top of a container neck is near or in contact with the needle guide 202. The needle guide 202 may function as a stop that limits travel of the container neck relative to the base 2 in a vertical direction as viewed in
The controller 34 may control the gas valve 36 and/or the beverage valve 37 and/or other portions of the device 1 based on a detection state of the container sensor 81. For example, the controller 34 may not allow the delivery of gas through the gas valve 36 unless the container sensor 81 detects that a container 700 is suitably engaged with the base 2. This may help ensure that gas is only released when appropriate, e.g., when a container is suitably engaged with the device 1 to receive pressurized gas. Alternately, or in addition, the controller 34 may disable a display unless the container sensor 81 detects engagement with a container 700, or may indicate on the display (such as an indicator light, multi-pixel display with associated touch screen, etc.) whether the device 1 is engaged with a container or not. This may aid a user in ensuring a container is properly engaged with the device 1. The controller 34 may also use the detection state of the container sensor 81 to “wake” one or more systems of the device 1, e.g., if the container sensor 81 detects a container is engaged, a display may indicate that the device 1 is powered up and ready for operation, or provide instructions such as an indication to insert the needle 200 into the closure 730, and so on. The controller 34 may perform status checks on the device 1 in response to the container sensor 81 indication, such as a check to determine if suitable gas pressure is present in a cylinder 100 to dispense beverage, whether battery power (if used) is suitable for operation, etc., and provide one or more messages or other display to a user.
As noted above, the device 1 may also include a needle sensor 82 that detects whether the needle is inserted through the closure of the beverage container, and thus in fluid communication with the interior of the container 700. The needle sensor 82 may be implemented in a variety of different ways, but in this embodiment includes a sensor (such as a switch) that detects when the body 3 is moved to a lower position relative to the base 2, e.g., as shown in
In response to detecting that the needle 200 has been inserted through a closure 730, the controller 34 may take various actions, such as permitting the gas valve 36 to deliver pressurized gas to the needle 200 only if the needle has been inserted through a closure but not before (whether the valve 36 is operated automatically or manually), enabling beverage dispensing (e.g., by allowing the beverage valve 37 to operate or to be operated if the valve can be manually operated), causing a display on the device 1 to indicate that the system is in fluid communication with the container and ready to dispense beverage, providing a display (whether visual and/or audible) to the user how to dispense beverage, performing system status checks, and others. As noted above, the controller 34 may use information from the container sensor 81 to determine that the needle 200 has been inserted through a closure 730 (e.g., to determine a container is engaged with the base 2 while the body 3 and needle 200 are moved to the lower position relative to the base 2), or may use information from the needle sensor 82, a pressure sensor 39, or other sensor alone.
In some embodiments, the dispensing device may include a latch that releasably locks the body in the upper position, e.g., until the container neck is engaged by the base, and the latch may be arranged to release the body for movement from the upper position to the lower position to insert the needle through the closure. The latch may be manually operated, e.g., a user may engage the base 2 with a container neck such as by employing a clamp to secure the device to the container neck, and then the user may release the latch so that the body 3 and needle 200 can be moved downwardly to the lower position to insert the needle 200 through the closure 730. This may enable the user to keep the body 3 in an upper position until the user is ready to insert the needle 200 into the closure 730. For example, as can be seen in
In some embodiments, the latch may be released by suitable engagement of the base 2 with a container neck. For example, the base 2 may include a clamp and the latch 9 may be arranged so that when the clamp is engaged with the container neck, the latch 9 is released to allow movement of the body 3 and needle 200 relative to the base 2. In one embodiment, the base 2 may include a stop, such as the needle guide 202, that contacts a top of the container neck when the container neck is fully received by the clamp and engaged by the base 2. The latch 9 may include a spring-loaded plunger mounted to the needle guide 202 that engages with one of the rails 31 or other portion of the body 3 to prevent the body 3 from moving relative to the base 2. However, when the needle guide 202 contacts a container neck, the plunger may be moved against the spring bias so the plunger disengages from the rails 31 or other body 3 portion to allow movement of the body 3. Other arrangements are possible for the latch 9. For example, the latch 9 may include a solenoid-operated plunger that engages with the rails 31 or other body portion, and when the controller 34 determines that a container neck is suitably engaged based on information from the container sensor 81, the controller 34 may operate the solenoid to release the latch 9. Alternately, a user may provide input to the controller 34 via user interface (a microphone, touch screen icon, press button, etc.) and in response the controller 34 may release the latch 9. In another arrangement, a latch actuator associated with a clamp may be moved when the clamp exerts a suitable force on the container neck to engage with the neck. Movement of the actuator may cause a linkage or other mechanism to move a plunger or other latch element to release the body 3 for movement. Enabling latch release based on full engagement of a container neck by a clamp may help ensure that the base 2 is properly engaged with a container before the needle 200 is released for movement, helping to ensure the needle passes through the closure 730 without problem or difficulty.
With the device 1 engaged with a container 700 and the needle 200 in fluid communication with the interior of the container 700, beverage can be dispensed. In accordance with an aspect of the invention, a dispensing operation may be performed automatically by the controller 34. For example, as shown in
These conditions, or others, detected by the movement sensor 35 or other device can be used by the controller 34 to determine that the user has manipulated the container 700 to dispense beverage from the container 700, i.e., the container is in a pour orientation. In response, the controller 34 can control one or more valves to dispense beverage from the container 700. For example, in the illustrative embodiment of
The controller 34 may continuously, periodically or otherwise monitor the orientation information from the movement sensor 35 and control beverage dispensing accordingly. For example, if the movement sensor 35 detects that the container 700 is no longer in a pour orientation, the controller 34 may stop beverage dispensing, such as by closing the gas and/or beverage control valves 36, 37. If the device 1 is again detected to be in a pour orientation, beverage dispensing may begin again.
In some embodiments, the controller 34 may control an amount or volume of beverage dispensed for each pouring operation, e.g., for each time the device 1 is detected to be in a pour orientation and remains in the pour orientation for an extended period such as 1 second or more. For example, the controller 34 may be configured to dispense a predetermined amount of beverage, such as 1.5, 4 or 6 ounces/125 ml or 150 ml, for each pouring operation. In other arrangements, the controller 34 can receive user input to select one of two or more volume options, such as pouring a “taste” or relatively small amount, or pouring one or more larger volumes. Thus, the controller 34 may include a push button, voice control, or other user interface to receive selectable dispense volume information. Based on the selected pour volume, the controller 34 may control the operation of the valve(s) to dispense the selected amount. Note that controller 34 control of a dispense volume need not be coupled with an ability to detect whether a container is in a pour/no-pour orientation. Instead, a user may select a desired dispense volume and then press a button or other actuator to initiate dispensing. The controller 34 may stop dispensing when the selected volume has been dispensed, e.g., by closing a suitable valve.
The controller 34 can control how much beverage is dispensed in different ways. For example, the controller 34 may include a flow sensor arranged to detect an amount of beverage dispensed and control operation of the valve(s) based on information from the flow sensor. In another arrangement, the controller 34 may determine an amount of beverage dispensed based on a time that the beverage control valve 37 is open for dispensing. Where a pressure in the container 700 and/or other dispense conditions are known (e.g., a flow rate through a needle 200 may be relatively constant even for a relatively wide range of pressures in the container), a time-based control of beverage volume corresponding to an open time for the beverage control valve 37 may be sufficiently accurate. In another embodiment, the controller 34 may determine a flow rate from the container based on a pressure in the container 700, and thus may use the pressure sensor 39 to detect a value indicative of a pressure in the container 700. The pressure sensor 39 may have a sensor element positioned in the container (e.g., at an end of the needle 200), in a conduit between the gas source and the container, or in other suitable locations to provide an indication of pressure in the container 700. The pressure detected by the pressure sensor 39 may be used by the controller 34 to determine a flow rate of beverage from the container 700, and thus determine an amount of beverage dispensed (e.g., a flow rate of beverage out of the dispensing outlet 38 may be related to pressure in the container 700, and by multiplying the flow rate(s) by a dispense time, the dispense volume may be determined).
Information from the pressure sensor 39 may also be used by the controller 34 to control a pressure in the container 700 to be within a desired range. For example, the controller 34 may control pressure in the container 700 to be within a desired range to ensure that beverage is dispensed at a suitably high rate and/or at a known flow rate. In another arrangement, the controller 34 may control the pressure in the container 700 to be somewhat lower, e.g., to preserve gas provided from the gas source 100 and dispense at a slower flow rate. In some cases, a user may be able to set the device 1 to operate in different dispensing modes, such as “fast pour” or “save gas” modes in which the device 1 operates to dispense beverage at a maximum or other relatively high rate using a relatively higher pressure in the container 700 (a fast pour mode) or operates to dispense beverage in a way that uses as little dispensing gas as possible by using a relatively lower pressure in the container 700 (a save gas mode). Alternately, a user could interact with the controller 34 to adjust the dispense rate up or down. Again, the user could provide the dispense speed information by a user interface of the controller 34 or other means, and a selectable dispense rate feature may be used with or without dispense volume control, e.g., where the controller 34 dispenses a specified volume of beverage.
In accordance with an aspect of the invention, the controller 34 may be adapted to purge at least one conduit of beverage or other material in response to one or more different conditions. In some cases, the controller 34 may purge the at least one conduit in response to determining that a dispensing operation is about to begin. For example, in one embodiment, the controller 34 may determine based on information from the movement sensor 35 that the device 1 has been in a rest position for at least a threshold period of time. A rest position may be a condition in which the device 1 has not been moved for at least 1 minute, 2 minutes, 5 minutes or any other suitable period of time. Such movement of the device 1 from a rest position may indicate that a user is preparing to use the device 1 for dispensing, and so purging of the at least one conduit may be suitable to ensure proper operation of the device 1. If the controller determines that the device 1 is moved from the rest position, e.g., based on the movement sensor determining that the device 1 is moved any amount and in any orientation, the device 1 may operate the at least one valve, e.g., the gas control valve 36, to purge the at least one conduit, e.g., the one or more conduits of the needle 200, of beverage or other material. This may be done by causing pressurized gas to be delivered to the needle 200 in a relatively short burst, which may cause beverage, cork particles or other material in the needle 200 to be ejected from the needle opening 220. This purging operation may prepare the device 1 for a next dispensing operation by removing prior beverage from the needle 200, removing cork or other particles that may clog the needle 200, and/or allowing the device 1 to determine that the device 1 is in a condition to operate properly. For example, if the pressure sensor 39 detects that a pressure in the needle conduit does not vent to ambient relatively quickly after the purge burst of gas, the controller 34 may determine that the needle 200 is clogged or that some other fault condition exists that may interfere with proper operation of the device 1. In such a case, the controller 34 may provide a visual or other display to indicate that some sort of corrective action may be needed, such as replacement of the needle 200. The controller 34 determine a dispensing operation is about to begin in other ways, and in response purge the at least one conduit. For example, a user may press an “on” button on the device 1, causing the controller 34 to perform a purge operation. In other embodiments, the controller 34 may initiate a purge operation if the device 1 is secured to a container 700, e.g., a container sensor 81 detects the device 1 is associate with a container 700, or a sensor on a clamp or other portion of the device 1 indicates that the device 1 is secured to a container 700.
In the case where a needle 200 or other tube or conduit includes a single conduit or flowpath, purging may be a simple operation of directing pressurized gas into the proximal end of the needle 200 or other single conduit so gas and any other material is discharged at the distal end of the needle 200. Where the needle 200 includes two or more conduits, and where one or more conduits are used for gas flow and one or more conduits are used for beverage flow, the controller 34 may purge only the gas conduit(s), only the beverage conduit(s) or both gas and beverage conduits. As with a single conduit needle, pressurized gas may be directed into the proximal ends of the gas and beverage conduits so that beverage and any other material are discharged at the distal ends of the conduits. Depending on the flow control arrangement, the device 1 may include a purge valve or other arrangement to help direct pressurized gas into a beverage conduit. For example, where a needle includes a gas conduit and a beverage conduit, purging the gas conduit may be done simply by controlling a gas control valve 36 to direct pressurized gas into the gas conduit. However, since the beverage conduit may not be fluidly coupled to the gas source in the body 3, a purge valve may provide controllable fluid communication between the gas source and the beverage conduit.
In some embodiments, the controller 34 may be adapted to purge the at least one conduit (e.g., the needle lumen(s)) after a dispensing operation is complete. This purging may be performed in addition to purging that may be done in response to movement of the device 1 from a rest position or other condition that indicates a dispensing operation is to begin. For example, purging after a dispensing operation is complete may help remove beverage or other materials that may lodge securely in place, e.g., due to drying of beverage liquid, that may occur during longer times between uses of the device 1. The controller 34 may determine that a dispensing operation is complete in different ways, and thus trigger the purging operation. For example, the controller 34 may determine that the container 700 and device 1 are moved from a pour to a no-pour orientation and thus that a dispensing operation is complete. In response, the controller 34 may purge the lumen(s) of the needle 200 or other conduit. To avoid purging where a user pours one glass, and then moves the container 700 and device 1 to pour another glass immediately after the first glass, the controller 34 may purge after a period of time passes after movement to the no-pour orientation, e.g., after 5-10 seconds, or after the device 1 is in a vertical orientation and stationary. In other embodiments, the controller 34 may determine a dispensing operation is complete by detecting that the needle 200 or other conduit has been withdrawn from a cork or other closure of the container 700 or otherwise is no longer in fluid communication with the interior of the container 700. As discussed above, this may be done using information from a container sensor 81 and/or needle sensor 82, a pressure sensor 39 or other sensors. In some cases, a user may indicate a dispensing operation is complete, e.g., by pressing an “off” button on the device. The controller 34 may perform a purge operation before shutting the device down. In other embodiments, the controller 34 may cause a purge operation to be performed when the device 1 is disengaged from a container 700, e.g., as indicated by a container sensor 81, a sensor on a clamp of the base 2, or other sensor.
As will be appreciated, a beverage dispensing device may benefit from a clamp or other arrangement configured to engage the device with a bottle, e.g., by clamping the device to the neck of a bottle. For example, the device can include one or more clamp arms that are movably mounted to the device and are arranged to engage with a bottle, e.g., to support the device on the bottle during use. In one illustrative embodiment, a base includes a clamp with at least one clamp arm that defines a receiving space for the container neck. The at least one clamp arm may define, at least in part, an entry opening to the receiving space at a bottom of the clamp. Thus, the clamp may fully receive the container neck into the receiving space by inserting the container neck into the entry opening from the bottom of the clamp and moving the clamp downwardly relative to the container neck. This action inserts the container neck into the receiving space so that the clamp engages the container neck. The clamp may secure the base to the container neck in different ways, such as by securing a ratcheting strap, buckle, threaded fastener, etc., and in some embodiments the at least one clamp arm may be arm spring biased to move relative to the base to exert an engagement force on the container neck. Receiving the container neck into the receiving space may move the at least one clamp arm against the spring bias so that the at least one clamp arm exerts a clamping force on the neck when in the receiving space. The spring biased nature of the at least one clamp arm may also allow the clamp to accommodate differently sized container necks.
To aid in receiving the container neck into, and/or removing the neck from, the receiving space, the at least one clamp arm may include a container engagement surface, e.g., that extends vertically or in a direction in which the container neck moves relative to the at least one clamp arm during engagement/disengagement. The engagement surface may have a lower portion that ramps or slopes inwardly and upwardly relative to the receiving space, and the lower portion may be arranged to allow the clamp to be pushed downwardly on the container neck to receive the container neck in the receiving space. The ramped or sloped shape of the lower portion may function to move the at least one clamp away from the container neck as the neck is received into the receiving space while also exerting an engagement force on the container neck. The engagement surface may also assist in removing the clamp from the container neck, e.g., by pulling upwardly on the clamp relative to the container. The engagement surface may include an upper surface that is ramped or sloped upwardly and outwardly relative to the receiving space to assist in removing the neck from the receiving space.
As can be seen in
Combining various aspects of the invention together may provide a beverage dispensing device that is convenient for a user. For example, a device 1 that includes a latch 9 which locks a body 3 and needle 200 in an upper position until a container neck is properly engaged with the base, and a clamp that can be engaged by pressing downwardly onto the container neck may allow a user to grasp and press downwardly on the body 3 and/or base 2 to engage the device 1 with a container. This may be done without concern that the body 3 will move relative to the base 2, at least until the base 2 is suitably engaged with the container neck. Also, this arrangement may allow the user to engage the device 1 with a container and insert a needle into the container closure in a single operation in which the device 1 first engages the container, and then the needle is inserted after the container is fully engaged with the base 2. Further incorporating a container sensor 81 and/or a needle sensor 82 may provide additional advantages, such as enabling the device 1 automatically start a dispensing mode only after the device 1 is properly engaged with a container and the needle 200 is inserted through the closure.
In this illustrative embodiment, the clamp arms 41 are pivotally mounted to the base 2 such that the arms 41 are normally biased to move toward each other, e.g., to clamp a bottle neck positioned between the arms 41. However, the clamp arms 41 may be movably mounted relative to the base 2 in other ways, such as by a linkage, living hinge, a sliding engagement (such as by having a portion of a clamp arm move in a channel of the base), and others. Also, one arm may be fixed to the base while the other is made movable (although in this embodiment the arms are still said to be moveable relative to each other). Torsion or other springs may be used to provide the biasing force (if provided at all) on the clamp arms 41. The clamping force of the clamp arms 41 may be sufficiently robust to support the device 1 on the bottle 700, or even to allow a user to lift and pour beverage from the bottle 700 by grasping and manipulating the device 1. The clamp arms 41 may also include proximal portions that can be grasped by a user and moved together (overcoming the biasing force of the spring 47) so that the arms 41 are moved away from each other to receive a bottle neck. For example, in this embodiment, a user may pinch the proximal portions together to position a bottle neck between the arms 41, and then release the proximal portions to allow the clamp arms 41 to clamp the bottle neck. However, other arrangements are possible as discussed above. In arrangements where the clamp arms 41 are biased to move apart or are not biased at all, a locking mechanism may be used to engage the clamp arms 41 to the bottle. That is, whether the clamp arms 41 are spring biased or not, movement of the arms may be restricted or otherwise controlled in some way by a locking mechanism. For example, the arms 41 may be secured together by a ratchet and pawl mechanism that allows the clamp arms 41 to move freely toward each other, but prevents movement of the arms 41 away from each other unless the pawl is first cleared from the ratchet. This arrangement may allow a user to securely clamp the arms 41 onto a bottle neck with the ratchet and pawl ensuring that the arms 41 will not move away from each other to release the neck until the user releases the pawl. In other embodiments, the arms 41 may be secured against movement away from each other in alternate ways, such as by a buckle and strap (with the strap secured to one arm 41 and the buckle secured to the other arm 41), a screw and nut (in which the screw engages one arm 41, the nut engages the other arm 41, and the screw and nut threadedly engage each other to secure the arms 41 together), a hook-and-loop closure element that spans across the arms 41 at their distal end, or other arrangement suited to engage the arms 41 with the bottle 700. For example, a locking mechanism may include a buckle similar to that found in some ski boots. In this embodiment, the locking mechanism includes a handle that is pivotally mounted to a clamp arm 41 and carries a bail. The bail may be arranged to selectively engage with a bail-engaging slot formed in the other clamp arm 41. As noted above, a sensor 81 may be associated with a clamp arrangement to sense and indicate that the device 1 is engaged with a container. For example, a switch may be closed when the clamp is engaged with a container neck, indicating that the device 1 is engaged with a container. The controller 34 may use this information to control dispensing, e.g., the controller 34 may in response begin monitoring whether the container is in a pour orientation or not and control dispensing accordingly. The controller 34 may also use this information to determine that a dispensing operation is about to begin (e.g., engagement of the clamp may be sensed by the sensor 81 and indicate a dispensing operation is to be performed), or that a dispensing operation is complete (e.g., disengagement of the clamp may be sensed by the sensor 81 and indicate that a dispensing operation is complete), and the controller 34 may cause a purge operation to be performed accordingly.
The controller 34 may also use an ability to detect whether the device is mounted to a container and/or detect features of a container in a variety of ways. For example, the controller 34 may detect whether the device 1 is mounted to a container, e.g., by detecting that the needle has been inserted through a cork, by detecting an RFID tag, barcode or other indicia on a container, by detecting activation of a clamp or other container engagement feature of the device 1, etc., and in response initiate operation of the device 1. For example, if a sensor associated with a clamp of the device 1 indicates that the device 1 is secured to a container 700, the device 1 may perform a purge operation and then start to monitor its orientation and/or an orientation of an attached container to control beverage dispensing, may display gas and/or beverage remaining values, may display that the device 1 is secured to the container, and so on, after detecting that the device 1 is engaged with a container. Also, or alternately, other features regarding the container may be displayed, such as a type of beverage, a temperature of the beverage (where the device 1 is outfitted with a temperature sensor), an indication of when the container was last accessed by the device 1, suggestions for food pairing with the beverage, and so on. As noted above, information may be relayed from the device 1 to a user's smartphone or other device for display to the user, whether by visual indication, audible indication, etc. The device 1 may also use sensed information to access other information, e.g., stored remotely on a webserver, to provide additional information to a user. For example, a device 1 may be equipped with a temperature sensor to detect a temperature of the container itself and/or beverage in the container. Based on the temperature information, and possibly a type of beverage, the device 1 may access stored information to determine if the beverage is within a desired temperature range for suitable serving. If not, the device 1 may indicate the beverage temperature with information regarding optimal serving temperatures.
In accordance with aspects of the invention, the device 1 may provide a visual, audible and/or other display of information to a user indicating various conditions or operating states of the device 1. For example, the controller 34 may cause a user interface to display that the device 1 is awake and ready for use when a user picks up the device 1. That is, the controller 34 may normally power down to a “sleep” state while stationary at a rest position for more than a threshold period of time, such as 5 or 10 minutes. This may help the controller 34 conserve battery or other electrical power while the device 1 is not used. However, upon being moved, the controller 34 may provide a visual or other indication that the device 1 is awake and ready for use in dispensing. The controller 34 may detect movement of the device 1 as discussed above, e.g., using a movement sensor 35.
With the device 1 indicating it is ready for use, a user may engage the device 1 with a container for dispensing, e.g., by engaging a clamp with the container neck. The controller 34 may detect engagement with the container 700, and may provide a display to the user indicating proper engagement with the container 700. As described above, engagement with a container 700 may be sensed by a container detector 81, by a sensor associated with a clamp 4 (such as a strain gage, switch, or other sensor that detects when the clamp 4 engages with a container), or in other ways. Upon detection that the device 1 is engaged with a container 700, the device 1 may make a suitable display to a user, such as illuminating the U-shaped light bar 51 with a white color, or a flashing blue color, or some other visual display. As in other displays, other options are possible, such as displaying a text message (e.g., “bottle engaged”), an audible message, etc.
In some embodiments, the device 1 may detect that a needle or other conduit used to dispense beverage is fluidly coupled to the interior of the bottle. In the embodiment above, if the container sensor 81 and the needle sensor 82 detect that the device 1 is engaged with a container and the needle 200 is inserted into the container 700, the controller 34 may indicate that the device 1 is in fluid communication with the interior of the container 700. The controller 34 may detect that the needle 200 or other conduit is in fluid communication with the interior of the container 34 in other ways, such as by introducing gas flow into the needle 200 and detecting with the pressure sensor 39 whether the pressure in the needle 200 decays rapidly (indicating the opening 220 at the distal end of the needle 200 is likely in communication with ambient air) or decays more slowly (indicating that the opening 220 is in fluid communication with the interior of the container 700). The controller 34 may detect that the needle 200 or other conduit is in fluid communication with the interior of the container 700 in other ways as discussed above, such as by a user pressing a button (such as the button 52), by a detector on the needle 200 distal end detecting it has emerged from a cork or other closure, by detecting contact of liquid with the needle 200 distal end, etc. Upon determining that the device 1 is in fluid communication with the interior of the container 700, the controller 34 may provide a suitable display to the user, such as by illuminating the U-shaped light bar 51 with a green color, providing an audible message (e.g., “tilt to pour”), an alphanumeric text display on the user interface 5 or user's phone, or other display.
In some cases, the device 1 may provide a display that indicates that the container 700 is capable of holding suitable pressure for dispensing. As described above, dispensing beverage in some embodiments involves introducing gas pressure into the container 700 so that beverage is forced to flow out of a needle lumen or other conduit. If a container is not able to hold suitable pressure for a period of time, or if the device is not suitably sealed with respect to the container, beverage will not be forced to flow out of the container for dispensing. By indicating that the container 700 can hold suitable pressure, the device 1 can indicate that the system is suitably configured for dispensing. The controller 34 may made a display to convey this information, which may be the same as the display indicating that the needle or other conduit is in fluid communication with the container 700, e.g., a green lit U-shaped light bar 51.
While the device 1 dispenses beverage, the controller 34 may provide a display to indicate desired information, such as that dispensing is in process, a volume of beverage dispensed, a volume of beverage to be dispensed, a volume remaining in the container, and so on. For example, the U-shaped light bar 51 may be illuminated in a way to convey movement or flow during dispensing. In one embodiment, the U-shaped light bar 51 may be controlled so that the U-shaped light bar 51 is initially dark or unlit, and then the center portion of the U-shaped light bar 51 may be illuminated while other portions of the U-shaped light bar 51 are unlit. Portions of the U-shaped light bar 51 outwardly from the center portion may then be illuminated in succession so that the illumination appears to travel from the center of the U-shaped light bar 51 to the ends of the U-shaped light bar 51. This illumination pattern may convey flow or movement to the user, and thus indicate dispensing is in process. Other displays are possible, such as an audible message (e.g., “pouring your glass!”) or a text message, etc.
The user interface 5 may also allow a user to control aspects of operation of the device 1 or receive information from the device 1. For example, a user may press the button 52 to wake the device 1 and prepare it for dispensing. The button 52 may also be operated to select a mode of operation. For example,
It has been found that needles having a smooth walled exterior, pencil point or Huber point needle of 16 gauge or higher are effective to penetrate through a wine bottle cork or other closure, while sealing effectively with the cork to prevent the ingress or egress of gases or fluids during beverage extraction. Moreover, such needles allow the cork to reseal after withdrawal of the needle, allowing the bottle and any remaining beverage to be stored for months or years without abnormal alteration of the beverage flavor. Further, such needles may be used to penetrate a foil cover or other wrapping commonly found on wine bottles and other bottles. Thus, the needle may penetrate the foil cover or other element as well as the closure, eliminating any need to remove the foil or other wrapping prior to beverage extraction. Other needle profiles and gauges are also usable with the system.
While in the above embodiments, a user moves the body 3 in a linear fashion relative to the base 2 to insert/remove a needle with respect to a bottle closure, a manual or powered drive mechanism may be used to move a needle relative to a closure. For example, a rail 31 may include a toothed rack, while the base 2 may include a powered pinion gear that engages the rack and serves to move the body 3 relative to the base 2. The pinion may be powered by a user-operated handle, a motor, or other suitable arrangement. In another embodiment, the needle may be moved by a pneumatic or hydraulic piston/cylinder, e.g., which is powered by pressure from the gas cylinder 100 or other source.
With the correct needle gauge, it has been found that a passageway (if any) that remains following removal of the needle from a cork self-seals against egress or ingress of fluids and/or gasses under normal storage conditions. Thus, a needle may be inserted through a closure to extract beverage, and then be removed, allowing the closure to reseal such that beverage and gas passage through the closure is prevented. While multiple needle gauges can work, preferred needle gauges range from 16 to 22 gauge, with an optimal needle gauge in some embodiments being between 17 and 20 gauge. These needles gauges may offer optimal fluid flow with minimal pressures inside the bottle while doing an acceptably low level of damage to the cork even after repeated insertions and extractions.
Multiple needle lengths can be adapted to work properly in various embodiments, but it has been found that a minimum needle length of about 1.5 inches is generally required to pass through standard wine bottle corks. Needles as long as 9 inches could be employed, but the optimal range of length for some embodiments has been found to be between 2 and 2.6 inches. (Needle length is the length of a needle that is operable to penetrate a closure and/or contact a needle guide for guidance in moving through the closure.) The needle may be fluidly connected to the valve directly through any standard fitting (e.g. NPT, RPT, Leur, quick-connect or standard thread) or alternatively may be connected to the valve through an intervening element such as a flexible or rigid tube. When two or more needles are used, the needle lengths may be the same or different and vary from 0.25 inches to 10 inches. Creating distance between the inlet/outlets of the needles can prevent the formation of bubbles.
In some embodiments, a suitable gas pressure is introduced into a bottle to extract beverage from the bottle. For example, with some wine bottles, it has been found that a maximum pressure of between around 40 and 50 psi may be introduced into the bottle without risking leakage at, or ejection of, the cork, although pressures of between around 15 and 30 psi have been found to work well. These pressures are well tolerated by even the weakest of cork-to-bottle seals at the bottle opening without causing cork dislodging or passage of liquid or gas by the cork, and provide for relatively fast beverage extraction. The lower pressure limit in the bottle during wine extraction for some embodiments has been found to be between about 0 and 20 psi. That is, a pressure between about 0 and 20 psi has been found needed in a bottle to provide a suitably fast extraction of beverage from the bottle. In one example using a single 17 to 20 gauge needle, a pressure of 30 psi was used to establish an initial pressure in a wine bottle, and rapid wine extraction was experienced even as the internal pressure dropped to about 15-20 psi.
The source of pressurized gas can be any of a variety of regulated or unregulated pressurized gas bottles filled with any of a variety of non-reactive gasses. In a preferred embodiment, the gas cylinder contains gas at an initial pressure of about 2000-3000 psi. This pressure has been found to allow the use of a single relatively small compressed gas cylinder (e.g., about 3 inches in length and 0.75 inches in diameter) for the complete extraction of the contents of several bottles of wine. Multiple gasses have been tested successfully over extended storage periods, and preferably the gas used is non-reactive with the beverage within the bottle, such as wine, and can serve to protect the beverage oxidation or other damage. Suitable gases include nitrogen, carbon dioxide, argon, helium, neon and others. Mixtures of gas are also possible. For example, a mixture of argon and another lighter gas could blanket wine or other beverage in argon while the lighter gas could occupy volume within the bottle and perhaps reduce the overall cost of the gas.
The embodiments above, a single needle with a single lumen is used to introduce gas into the bottle and extract beverage from the bottle. However, in other embodiments two or more needles may be used, e.g., one needle for gas delivery and one needle for beverage extraction, or a single needle may include two or more conduits or lumens. In such an embodiment, the valve(s) may operate to simultaneously open a flow of gas to the bottle and open a flow of beverage from the bottle. The needles may have the same or different diameters or the same or different length varying from 0.25 to 10 inches. For example, one needle or conduit delivering gas could be longer than another that extracts wine from the bottle. Alternately, a two lumen needle may be employed where gas travels in one lumen and beverage travels in the other. Each lumen could have a separate entrance and exit, and the exits could be spaced from each other within the bottle to prevent circulation of gas.
Control of the system may be performed by any suitable control circuitry of the controller 34, which may include a programmed general purpose computer and/or other data processing device along with suitable software or other operating instructions, one or more memories (including non-transient storage media that may store software and/or other operating instructions), a power supply for the control circuitry and/or other system components, temperature and liquid level sensors, pressure sensors, RFID interrogation devices or other machine readable indicia readers (such as those used to read and recognize alphanumeric text, barcodes, security inks, etc.), input/output interfaces (e.g., such as the user interface to display information to a user and/or receive input from a user), communication buses or other links, a display, switches, relays, triacs, motors, mechanical linkages and/or actuators, or other components necessary to perform desired input/output or other functions.
While aspects of the invention have been shown and described with reference to illustrative embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention encompassed by the appended claims.
This Application claims priority under 35 U.S.C. § 119(e) to U.S. Provisional Application Ser. No. 62/770,299, entitled “BEVERAGE DISPENSER WITH CONDUIT PURGE FEATURES” filed on Nov. 21, 2018, which is herein incorporated by reference in its entirety.
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| 20200156857 A1 | May 2020 | US |
| Number | Date | Country | |
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| 62770299 | Nov 2018 | US |
