BACKGROUND OF THE INVENTION

1. Field of the Invention

[0001] The present invention relates to a system and method for dispensing beverages in a hospitality or other commercial setting, as well as in residential or consumer applications, and, more particularly, to the measurement of, automated pour control, and metered dispensing of beverages under pressure.

2. Description of the Related Art

[0002] Recent demographic changes are modifying the pattern of consumption in adult beverages throughout the United States. The Millennial generation (also known as Millennials or Generation Y) are the demographic cohort following Generation X. There are no precise dates when the generation starts and ends, but it is commonly identified as those birth years ranging from the early 1980s to the early 2000s, which includes the youngest legal drinkers. This social cohort are consuming more wine than previous generations when they turn legal drinking age. As a result, wine makers and distributors across the U.S. are seeing both more overall demand, as well as a change in the types of wine they produce. Other changes include the packaging used, as well as market tools to connect their brand with their customers.

[0003] One area where this demand is currently placing pressure on current beverage distribution systems is at event venues such as stadiums, arenas and high volume entertainment facilities Beverage delivery of prior preferred beverages has evolved to include bulk

containers, distribution tubes or hoses, and dispensing taps or fountains. This can be seen in the delivery of first soft drinks, and then beer.

[0004] Because of the nature of soft drinks,

technology was adapted to satisfy the post mixing of syrup, water and carbon dioxide in bulk distribution to satisfy dispensing of soft drinks in a manner currently efficient enough for mass venues. As beer became an adult beverage of choice of prior demographic cohort, technology was adapted to eventually satisfy the

cleaning, delivery, dispensing and changing of bulk keg beer products. However, these prior bulk beverage delivery systems do not lend themselves directly to the dispensed delivery of wine. Additionally, no existing systems exactly measure the volume of beverages they dispense, but rather make approximations based on weight and/or time. Such approximations lack sufficient precision and can lose their calibration over time. [0005] Beer and wine contain alcohol, and as such are carefully regulated and their distribution carefully controlled and taxed. Further, unlike beer and soda, wine is typically poured to fill only half the glass, rather than the entire glass. Consequently, there is a high tendency to "over pour" and controlled and

consistent metering of individual servings is highly desired by the retail vendor to minimize and eliminate such "over pouring". While similar motivations exist for beer, due to the carbonated nature of beer products the amount of waste or commercial spoilage is quite different. Consumers tend to place a lot of importance on beer heads: too much of a head is undesirable because it detracts from the mass of the drink (similar to carbonated soda drinks) . But, on the other hand, a beer drink is viewed as incomplete unless it has some head, and there is an expectation of a specific form of head based on the type of beer. Consequently, the automated metering, monitoring and control of beer beverage dispensing currently already estimates between a 5%-15% allocation or credit to accommodate for the inability to exactly meter the liquid and its associated foam.

[0006] However, the problem associated with the metering of an "exact" pour is exaggerated, and quite different, with wine. Wine does not foam, has a higher tax value, has a smaller serving size, and is served in stemware in which the cup or bowl is served only

partially filled. As an example, a wine glass as defined by the International Standards Organization (ISO) has a capacity of approximately 215ml, but it is intended to take a 50ml pour. While other types of wine stemware have differences in shape and size, generally such drink ware lend themselves easily to "over pouring", or dispensing serving amounts in excess of a desired standard. Such overages in the dispensing of wine can easily reach up to between 25%-50%.

[0007] Consequently, the need to provide a

standardized beverage dispensing system particularly adapted for use in dispensing metered volumes of wine is needed.

[0008] "Wine on Tap" is a distribution method for wine that has been developed for high volume dispensing and service applications. However, at an extreme event, such as a professional baseball event servicing 10,000-20,000 spectators, or a professional football event servicing

40,000-60,000 spectators, or a professional soccer event servicing upwards of 100,000 spectators all at a single venue, such systems still exhibit problems associated with consistency of pour, while providing ease of line cleaning and simplicity of keg changeover. In such systems, a typical process of delivering beverage to the customer is controlled by an operator (bartender) through a manual interface. The operator is responsible for the quality and the volume of each portion. For beverages that tend to oxidize, such as wine, the operator is supposed to flash (discharge to waste) one or several portions of the beverage from the delivery line before supplying the good portion to the customer. This manual system relies on the operator only and does not guarantee neither the quality nor the consistency of the required volume size of the beverage portion.

[0009] It is preferable that in a beverage dispensing and pour control system for use with keg wine or other bulk regulated beverage management should have the ability to control the quality and quantity of servings delivered by the operator. The suggested beverage

dispensing and pour control system should also provide precise measurement of each portion - not imprecise measurements based on time or weight. Further, such a beverage dispensing and pour control system should warn the operator about beverage tank low level, allow for force flashing of the poor quality beverage and record all the delivery process events in the log for the management . SUMMARY OF THE INVENTION

[0010] It is thus an object of the present invention to provide for more efficient beverage services for home, bars, restaurants or event venues.

[0011] It is another object of the present invention to provide a device, system and method for enabling the metered dispensing of any beverage which comes from pressurized containers.

[0012] It is yet another object of the present

invention to aid in the implementation of an

infrastructure to deliver alcoholic or other beverages on tap and in a metered fashion.

[0013] It is further still an object of the present invention to provide an automated beverage dispensing system that controls the standardized unit dispensing in the use of alcoholic beverage on tap delivery.

[0014] It is still a further object of the present invention to provide a bulk beverage control system that may deliver multiple different beverage types with each being able to be delivered at an appropriate service temperature .

[0015] The present application provides an automated beverage dispenser for dispensing a beverage into a drinking vessel. The automated beverage dispenser may include a user interface for operating a metering mechanism. The metering mechanism may have the ability to measure an exact amount of liquid to be dispensed, record the information on a permanent [magnetic] media,

sensor [s] for measuring the beverage pressure in the delivery line, a timer and a system of communication for information exchange between the metering mechanism and the user interface. The communication system may include an LCD, a keyboard, a mouse, or even interaction through sequence of blinking lights and buttons. The beverage dispenser may further include wireless

communication capability to communicate with a standard PC or smartphone using the wireless protocol (such as Bluetooth, Wi-Fi, Internet, etc.) . Bulk beverages from a number of sources can be metered upon demand as urged through a metering chamber of an identified volume by a single system pressure from fluid communication with the bulk beverage container. In addition to eliminating the need to provide an accurate (rather than estimated) dispensed volume of various beverages, the discharge may be dispensed at a temperature correlated as appropriate for the differing dispensed beverages. In such a manner and with such a system, quality and quantity control can be easily accomplished, tracked and reported.

[0016] An advantage of the present invention is that is can be adapted for use in the bulk service distribution of precise individual volumes of any

beverage, including alcoholic beverages, whether wine, beer, hard liquor or mixed cocktails.

[0017] It is another advantage of the present

invention to provide for operational functionality utilizing line pressure for dispensing determined

volumes, not electrically generated pressure (i.e.

dispensing is based upon the existing pressure of the bulk keg beverages, rather than from electrically

generated pumping pressure.

[0018] It is a further advantage of the present invention to provide for quick plugin component

connections to allow for changing bulk beverage

containers .

[0019] It is yet a further advantage of the present invention to provide for variations in dispensing volumes with a chamber having consistent dimensions such as to provide for a determined volume and for creating

variations through movement of a pistons.

[0020] It is a further advantage that determined volume changes may be further implemented through

differences in piston size, differences in container size, or both.

[0021] Further, the present invention provides

multiple valves that are synchronized to work in existing line pressure between each two end of the container without changing or adding in-line pressure, and can be accomplished with four 2-way valves; two 3-way valves; one 4-way valve; or an equivalent manifold, or other means of redirecting pressure. Further still, with applications having more than a single input or for mixing liquids, additional valves can be included.

[0022] The present invention may be further adapted with a transmitter (Infrared, RF, magnetic,

magnetostrictive or other technologies) incorporated into the piston or container in spaced specific intervals corresponding to a desired set measurement unit (e.g. loz. increments) such that calculation of different volumes may be accomplished through movement of the piston along intervals along the chamber.

[0023] The present invention may be further adapted such that the piston may further be moved along a partial interval along the chamber such that a fractional volume portion (e.g. ½ oz. increments.

[0024] These and further features of the invention will become apparent in the course of the following description .

BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The advantages and features of the present -J.Q.- invention will become better understood with reference to the following more detailed description and claims taken in conjunction with the accompanying drawings, in which like elements are identified with like symbols, and in which:

[0026] FIG. 1 is a perspective schematic view of a beverage dispensing and pour control system 10 for use with a metering system 20 according to an exemplary preferred embodiment of the present invention;

[0027] FIG. 2 is detailed perspective view of a metering system 20 for use in the beverage dispensing and pour control system 10 of the present invention;

[0028] FIG. 3 is a top plan view of the metering system 20 of FIG. 2;

[0029] FIG. 4 is a cross sectional view taken along line IV-IV of FIG. 3;

[0030] FIG. 5a is a perspective view of a metering cylinder 40 for use within the metering system 20 of FIG. 2-4;

[0031] FIG. 5b is a top plan view thereof;

[0032] FIG. 5c is a side elevational view thereof;

[0033] FIG. 6a is a perspective view of a disc shaped piston 50 for use within the metering system 20 of FIG. 2-4; -IX.-

[0034] FIG. 6b is a top plan view thereof;

[0035] FIG. 6c is a front elevational view thereof;

[0036] FIG. 6d is a cross sectional view taken along line VI-VI of FIG. 6c;

[0037] FIG. 7a is a perspective view of a sealing nut 70 for sealing each opposing end of the cylinder 40 of FIG. 5a-5c;

[0038] FIG. 7b is a front elevational view thereof;

[0039] FIG. 7c is a cross sectional view thereof taken along line VII-VII of FIG. 7b;

[0040] FIG. 8 is a top plan photograph of an

operational proof of concept prototype of a metering system is shown embodying the design, function, teachings and features of the metering system 20 of the present invention;

[0041] FIG. 9 is a side elevational photograph

thereof;

[0042] FIG. 10 is a front elevational photograph thereof;

[0043] FIG. 11 is a front perspective photograph thereof;

[0044] FIG. 12 is a hydraulic schematic of the first exemplary typical operation of a beverage dispensing station 10 for use according to the present invention -1Z- showing a first dispensing cycle;

[0045] FIG. 13 is a hydraulic schematic of the first exemplary typical operation of a beverage dispensing station 10 for use according to the present invention showing a second dispensing cycle;

[0046] FIG. 14 is a hydraulic schematic of the second exemplary typical operation of a beverage dispensing station 10 for use according to the present invention showing a first dispensing cycle;

[0047] FIG. 15 is a hydraulic schematic of the second exemplary typical operation of a beverage dispensing station 10 for use according to the present invention showing a second dispensing cycle;

[0048] FIG. 16 is a hydraulic schematic of a third exemplary typical operation of a beverage dispensing and pour control system 10 for use according to the present invention is shown in which a single mixed portion is dispensed; and

[0049] FIG. 17 is a control schematic of a beverage dispensing and pour control system 10 for use with a metering system 20 according to an exemplary preferred embodiment .

DESCRIPTION OF THE PREFERRED EMBODIMENTS [0050] The best mode for carrying out the invention is presented in terms of its preferred embodiment, herein depicted within the Figures.

1. Detailed Description of the Figures

[0051] Before explaining the present invention in detail, it is important to understand that the invention is not limited in its application to the details of the construction illustrated and the steps described herein. The invention is capable of other embodiments and of being practiced or carried out in a variety of ways. It is to be understood that the phraseology and terminology employed herein is for the purpose of description and not of limitation. It should be further apparent to a person having ordinary skill in the relevant art, in light of the present teachings, that the discussed enablement being described for use with bulk wine should be

considered equivalent for use with any other beverages.

[0052] Referring now to FIG. 1, a perspective

schematic view of a beverage dispensing and pour control system or "system", generally noted as 10, is shown as may be described herein. The system 10 may include: a metering mechanism 20; a tap or spigot 22; and a beverage bulk storage and distribution system 30. Generally, the metering mechanism 20 is in fluid communication with a _Χ4_ beverage supply 32 in operative connection with the bulk storage and distribution system 30. The metering

mechanism 20 also provides for a metered discharge 34 in fluid communication with the tap or spigot 22 in a manner that provides for a beverage specific controlled metered pour into a beverage container 36, as will be described in greater detail below.

[0053] Referring now in conjunction with FIG. 2-3, a preferred embodiment of a metering mechanism 20 for use in the beverage dispensing and pour control system 10 of the present invention is shown in greater detail. The metering mechanism 20 includes a metering chamber 40 that functions as a line pressure powered bi-directional dispenser by redirecting the pressure from one end of the chamber to the other end. Such a chamber 40 allows for accurate, repeatable metering, utilizing and preserving line pressure without the inclusion of an additional pumping device.

[0054] The metering mechanism 20 further incorporates a user interface 24 providing for operational control of the metering mechanism 20 including delivering a metered volume of liquid to the tap 20. As would be apparent to a person having ordinary skill in the relevant art, such a user interface 24 may include many types of -ail- communication systems for control of the system 10.

These may include a visual (video) display, a keyboard, a mouse, and the like. As presently shown, an exemplary user interface 24 is shown simply as a series of operator manipulated buttons, with interactions visually validated through sequences of blinking lights. The metering mechanism 20 may further include wireless communication capability to communicate with a standard PC or

smartphone using the wireless protocol (such as

Bluetooth, Wi-Fi, Internet, etc.).

[0054] Bulk beverages from a number of sources may be metered upon demand as urged through the metering chamber 40 of an identified volume by a single system pressure generated from fluid communication with the bulk beverage container 30. In addition to eliminating the need to provide an accurate (rather than estimated) dispensed volume of various beverages, the present invention may also provide for the discharge to be dispensed at a temperature correlated as appropriate for the differing dispensed beverages (as described in greater detail below) . With such operational characteristics, the present system 10 may provide a unique quality and quantity control can be easily accomplished, tracked and reported . -J.6.-

[0055] Referring now further in greater detail in conjunction with FIG. 4-5, the chamber 40 is provided in the form of a container having a selected, defined internal volume 42. The chamber 40 is shown embodied as a cylindrical container; however, it should be noted that such a shape and configuration is not intended to be limiting to the present invention. As will be described in greater detail below, according to an aspect of the present invention the defined volume 42 may be equal to the volume of a desired beverage pour. Further,

according to another aspect of the present invention the defined volume 42 may be equal to a fractional component of the volume of a desired beverage pour, thereby

facilitating its use with mixed or blended drinks.

Further still, according to yet another aspect of the present invention the defined volume 42 may be equal to a multiple of the volume of a desired beverage pour, thereby allowing for multiple dispenses from each

reciprocating cycle.

[0056] The internal volume 42 houses and contains a piston 50 adapted to match the cross sectional shape of the chamber 40. The piston 50 freely moves laterally, as urged, in a reciprocating manner about the internal volume 42. As shown in greater detail in conjunction with -11-

FIG. 6a-6d, the free floating piston 50 incorporates a pair of parallel, flat face surfaces 52 and a peripheral sealing surface 54. The sealing surface 54 may include a surface sealing mechanism, as shown herein as a pair of ring seal channels 56 that contain and seat a pair of elastomeric ring type seals 58.

[0057] The chamber 40 is sealed at each opposing end, shown herein by a sealing nut 70 as shown additionally in conjunction with FIG. 7a-7c. Each nut 70 engages with and seals a respective end of the chamber 40 and further forms an egress port 72. It should be apparent to a person having ordinary skill in the relevant art, in light of the present teachings, that such a configuration for the chamber 40 is merely exemplary, and that a variety of configurations may be employed that provide an equivalent element functionality.

[0058] As described above, the metering mechanism 20 provides for a fluid communication input from the

beverage supply 32, and a fluid communication discharge to the metered discharge 34. According to a preferred embodiment of the present invention, an input 42 is in connection with the beverage supply 32, and further includes a flow splitter 43 that directs a flow conduit to each egress port 72. Similarly, an outlet 44 is in -J.&- connection with the metered discharge 34 and further includes a similar flow splitter 43 that directs a flow conduit from each egress port 72. A three-way switching valve 45 is operatively connected between the input 42, outlet 44 and metering cylinder 40 in order to provide alternating and symmetric flow paths through the metering cylinder 40. As should be apparent to a person having ordinary skill in the relevant art, in light of the present disclosure, the particular arrangement of valves and flow splitters may be adapted to a number of

configurations, as long as existing line pressure is maintained while flow is alternately redirected between the opposite sides of the chamber 40 without changing or adding the pressure setup in-line. By way of example, and not as a limitation, alternate configurations for a single chamber design may be accomplished with four 2-way valves; two 3-way valves; one 4-way valve; or an

equivalent manifold configuration incorporating another means of redirecting pressure.

Example 1

[0059] As shown in FIG. 8 through FIG. 11, an

operational proof of concept prototype of a metering system is shown embodying the design, function, teachings and features of the metering mechanism 20 of the present invention. As shown herein, the metering mechanism 20 is provided in a modular block 80 and affixed to a mounting plate 82. As will be described in greater detail below, the modular block 80 may be subsequently configured and assembled to provide a plurality of metering mechanisms 20 in a vertically stacked arrangement that would provide for multi-line flow metering, while maintaining a compact form factor that is adapted for the systems particular use, namely, within tight or limited quarters provided by conventional concessions stands, bars, or other beverage dispensing environments about public venues.

[0060] It should be noted that the above described configurations and examples are provided for enabling a preferred embodiment, but are not intended to be

comprehensive or limiting. It should be apparent to a person having ordinary skill in the relevant art, and especially those in the hospitality industries in which the commercial dispensing of regulated beverages in medium, large or outdoor live hospitality venues, that the particular configurations may vary from those

examples provided, but that such variation should be considered within a broad scope of equivalents that is and is intended to be within the present invention. Adaptations in hydraulic flow path or electrical control schema would be foremost considered as with such range of equivalents. However, such adaptations should not be considered exhaustive in that other variations or

adaptations may be included while still incorporating the key aspects of the present inventive function. By way of example, and not intended as a limitation, one such adaptation may include the incorporation of a metering chamber 40 having a metered volume 42 in a greater quantity or multiple of an intended dispense pour volume such that numerous dispensed volumes may be provided within each bidirectional stroke of the piston 50.

Another similar adaptation may include the incorporation of a metering chamber 40 having a metered volume 42 in a fractional quantity of an intended dispensed pour volume, such that the automation of accurately blended multi- component cocktails may be accomplished through an integrated multi-line pour control system incorporating broadly the present teachings and features.

[0061] A further adaptation may a provide a bulk beverage control system that may deliver multiple

different beverage types with each being able to be delivered at an appropriate service temperature. By way of additional detail, for example, when it comes to serving temperature it is commonly accepted that a wine has an appropriate service temperature: if too warm the wine's alcohol will be emphasized, leaving it flat and flabby; and, if too cold the aromas and flavors will be muted and, for reds, the tannins may seem harsh and astringent. General guidelines for appropriate service temperatures include:

1. Light dry white wines, roses, and sparkling wines being served at between 40° to 50°F ;

2. Full-bodied white wines and light, fruity reds being serve at between 50° to 60°F;

3. Full-bodied red wines and Ports being served at 60° to 65°F.

Further still, beers may be considered best if served either warmer or colder (depending upon type and cultural preference) and mixed cocktails are generally considered best if served colder. In order to accommodate such a variation in service temperatures the present invention may accommodate such differences based upon beverage dispensed by providing a chilled beverage input to the metering system at the coldest temperature within the range, in addition to subsequently heating the dispensed beverage back to within a preferred temperature range. This post-heating may occur at the metering system discharge or directly at the tap and can be done easily through piezoelectric heating of the dispensed metered liquid. By way of further clarifying example, if both red and white wine are dispensed, by storing or chilling the metering volume to between 40° to 50°F, and post heating just the red wines to be between 50° to 60°F, or to between 60° to 65°F for fully body reds or ports, the proper service temperature may be accomplished

automatically through a common bulk dispensing system.

[ 0062 ] As part of and in addition to the control of the quality and quantity of servings delivered by an operator, a beverage dispensing and pour control system 10 may provide precise measurement of each portion, warn the operator about beverage tank low level, force

flashing of the poor quality beverage and record delivery process events in a log for use by management. The functions and operational characteristics may be further seen in conjunction with the examples described herein below .

2. Operation of the Preferred Embodiment

[ 0063 ] Referring in conjunction with Figure 12 and 13, a hydraulic schematic of a first exemplary typical operation of a beverage dispensing and pour control -2a- system 10 for use according to the present invention is shown. As shown in FIG. 12, a first portion is metered from the inlet 32 under line pressure and directed to a first inlet of the chamber by positioning of one valve 46a open and another valve 46b closed. Closure of valve 46c forces fluid in to the chamber 40 and caused the piston 50 to move from a first position to a second position. The opening of valve 46d causes fluid

originally in the chamber 40 to be dispensed out through the outlet 34. As shown in FIG. 13, subsequent metered volumes can be discharged by reversal of valve positions 46a, 46b, 46c, and 46d. It is envisioned that the valves 46 may be controlled by a dedicated collocated or remote microcontroller. While such a system will maintain volume within the discharge 34 through to the tap or spigot 22, an additional valving mechanism 47 may be incorporated between the metering chamber 40 and the spigot 22 in order to maintain system pressure throughout the entire system 10. This is accomplished by

maintaining the valving mechanism 47 open for the full durations of dispensing of one or several net volume portions until the total desire volume is dispensed;

then, at the end of closing all other valves 46 by closing valving mechanism 47 before initiation of the next cycle, i.e. reversal of the valve positions of 46a- d, the entire system is pressurized and ready for the next dispensing cycle. It is further envisioned that additional isolation valves may be used to isolate the system' s liquid contents from the external environment that would cause spoilage or degradation, or to otherwise prevent the dispensing of foamed beverage for carbonated drinks .

[ 0064 ] Referring now to FIG. 14-15, a hydraulic schematic of a second exemplary typical operation of a beverage dispensing and pour control system 10 for use according to the present invention is shown in which a sensor mechanism 51 is used to detect the position of the piston 50 or a target 49 within the piston within the chamber 40. In such a configuration, operation of the valves 46 are alternated through communication from sensors. The position of said piston 50 within said chamber 40 is detected with a sensor for detecting proximity. Multiple sensors may be positioned along the length of the metering chamber in order to increase precision of positioning the piston. Such sensors may consisting of RF sensors, magnets or halo effect sensors, magnetostrictive, or IR sensors. Such sensors may further be embedded within the chamber such that a sensor target formed in said piston can be quickly, easily, and repeatable detected.

[0065] Referring now to FIG. 15, a hydraulic schematic of a third exemplary typical operation of a beverage dispensing and pour control system 10 for use according to the present invention is shown in which a single mixed portion is dispensed. In such a configuration, multiple different input streams are delivered to the metering chamber 40 which then functions additionally as a mixing volume in which fixed volumes of multiple fluid streams are delivered into the chamber 40 at predetermined volumes controlled by opening supply valves at particular times within the movement of the piston 50. As described similarly above, the use of targets and detectors may be utilized for determining the positioning of the piston and controlling the various inlet volumes. In such a variant, the system may be used to automatically meter both the volumes of the individual constituent

ingredients of a mixed drink, as well as the overall mixed drink volume.

[0066] Referring now to FIG. 16 an electrical control schematic of a beverage dispensing and pour control system 10 for use with a metering system 20 according to an exemplary preferred embodiment of the present invention in which one line of dispensed beverage is accommodated. Further, FIG. 17 is an electrical control schematic of a beverage dispensing and pour control system 10 for use with a metering system 20 according to an exemplary first alternate embodiment of the present invention in which two lines of dispensed beverage is accommodated. And, FIG. 18 is an electrical control schematic of a beverage dispensing and pour control system 10 for use with a metering system 20 according to an exemplary second alternate embodiment of the present invention in which three lines of dispensed beverage is accommodated. While the features and operations of this variant are similar to that described above, the form factor and placement and number of check valves are shown alternately for equivalent functionality within the system, and those having ordinary skill in the relevant art, in light of the present teachings, may utilize a wide range of modifications within the range of

equivalents, including, by not limited to, variations in the number and configurations of electronic elements (i.e. boards, wiring, etc.) or the like.

[ 0067 ] In operation it is preferable that in a

beverage dispensing and pour control system for use with keg wine management should have the ability to control -21- the quality and quantity of servings delivered by the operator. The suggested beverage dispensing and pour control system should also provide precise measurement of each portion, warn the operator about beverage tank low level, force flashing of the poor quality beverage and records all the delivery process events in the log for the management .

[0068] Initially the system should be set up in that before the operation, the following parameters may be recorded in the control device memory:

V(t) as the volume of the beverage tank to be dispensed;

V(out) as the volume of the dispensing chamber; P(low) as percent of the total volume left in the tank to generate the signal; "Low Volume" (usually 10%)

L(in) the length of the input pipe 42;

D(in) the inner diameter of the input pipe 42;

L(out) the length of the output pipe 43;

D(out) the inner diameter of the output pipe

43;

R(min) the minimal pressure necessary for the normal operation of the dispenser (i.e. a pressure below minimal is to be considered as -2a- disconnected line during errant operation or keg supply changeover)

V(st) the standard volume of one portion of the beverage to be delivered to the consumer

T(in) the maximum time between the portions for the beverage in the input line to keep its quality (based upon oxidation characteristics of the beverage under operation conditions such as temperature and time)

T (out) the maximum time between the portions for the beverage in the output line to keep its quality

During operation, the control unit at the tap/spigot 22 may have several buttons to control the number of

portions to be delivered based on the whole system status. The minimum number of buttons is 1; in the presently shown configuration 3 control buttons are shown, marked as:

1) Pour

2) Full Flush

3) Small (Half) Flash.

Additional buttons like "NewTank" may further be added to the interface for additional automated functionality for -2a- operational control. A "New Tank" event can also be detected by measuring and analyzing the time required by the piston to complete its full run along the measuring chamber. In such an operation, short duration piston runs that are caused by the presence of air in the chamber may be used to indicate a New Tank event. Alternatively, a "New Tank" event may also be identified utilizing a special sensor measuring changes of the pressure inside the line connecting the tank with the measuring chamber. Each button could indicate its readiness, such as, for example, by lighting up an LED. The system may be able to block the operation of certain buttons depending on the current scenario.

[0069] By way of example of the normal intended operation, a standard one portion dispensing event requires the push of the button Pour. The operation of the button could be blocked under several conditions, including the time since the last pouring exceeds the predefined safe time T (out) for keeping the beverage in the output line. Additional lock out' operation may further be implemented remotely, though command or program configuration by a user from a web portal, cellular connection, or equivalent. In such a scenario the Small Flash button may be activated (steady lighting up or blinking) and the operation of all other buttons can be blocked. Pushing the Small Flash button initiates the system to calculate the number of cycles of delivery station to flash the output line, executes the cycles and unblocks the Pour button. The event is recorded in the log with the time stamp.

[0070] The operation of the button could be blocked under other conditions as well. By way of example, and not as a limitation, such as if the time since the last pour exceeds a predefined safe time T (out) for keeping the beverage in the input line. In such a scenario the Full Flash button can be activated (steady lighting up or blinking) and all other buttons are blocked. Pushing the Full Flash button initiates the system to calculate the number of cycles of delivery station to flash the output line, executes the cycles and unblocks the Pour button. The event is recorded in the log with the time stamp.

[0071] In its intended configuration and operation the system should calculate inventory and dispensing

statistics, such as, but not limited to: the number of cycles of delivery poured; the number of cycles to flash the input and output line (full and small flash) ; and the instances of low pressure (or supply keg changeover) . These events may be recorded in an output report or log with a time stamp.

[0072] Additional output report or log events may include when pressure in the input line falls below the minimum required R(min) . Such events indicates either and empty beverage tank or a pump failure (compressor broken, power failure, etc.) . The operator may resolve such situations by either pressing the Full Flash button after the pump has been repaired or new tanks connected in order to start the new delivery of a new batch. In the latter case the operator enters the New Tank command using button, The control device either records the Full Flash event or completes the last tank report for

delivery to the management by request and prepares for the new tank.

[0073] Such log reports are important for the

operation. Data acquisition can provide valuable

inventory information and allow the user to maintain an optimum operational efficiency. By way of example, and not meant as a limitation, such a log report may appear in following format of TABLE 1, or similar, and include information shown and described throughout this

describing .

TABLE 1

6/15/14 11:46:35 AM New Tank 6/15/14 11:46:59 AM Pressure Normal

6/15/14 11:50:33 AM Standard Pour

6/15/14 11:51:33 AM Standard Pour

6/15/14 11:52:33 AM Standard Pour

6/15/14 3:31:22 AM Small Flash (4 hr 39 min since last pour)

6/15/14 3:35:22 AM Standard Pour 6/15/14 3:37:22 AM Standard Pour

It should also be noted that a "standard pour" may consist of multiple individual piston cycles, and as such a record log may additional include an indication fo the direction of piston travel, dispensed volume, and also cycle time for the travel of the piston. [0074] It should be noted that a beverage dispensing station as described and disclosed above may provide a control device with ability to record such operating and inventory information on a permanent [magnetic] media, or may include a user interface incorporating an LCD display for graphic output as well as for use with a [virtual] keyboard for information exchange between the control device and operator. Additional option may include a wireless board to communicate with a standard PC or smartphone in order to upload records or logs in realtime using the wireless protocol (Bluetooth, Wi-Fi, Internet, etc.) or otherwise remotely reporting operation conditions, report output, alarms or the like. [0075] The foregoing descriptions of specific -3a- embodiments of the present invention are presented for purposes of illustration and description. They are not intended to be exhaustive nor to limit the invention to precise forms disclosed and, obviously, many

modifications and variations are possible in light of the above teaching. The embodiments are chosen and described in order to best explain principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention and its various embodiments with various modifications as are suited to the particular use contemplated. It is intended that a scope of the invention be defined broadly by the Drawings and Specification appended hereto and to their equivalents.