NZ201639A - Small portable post-mix beverage dispenser - Google Patents

Small portable post-mix beverage dispenser

Info

Publication number
NZ201639A
NZ201639A NZ201639A NZ20163982A NZ201639A NZ 201639 A NZ201639 A NZ 201639A NZ 201639 A NZ201639 A NZ 201639A NZ 20163982 A NZ20163982 A NZ 20163982A NZ 201639 A NZ201639 A NZ 201639A
Authority
NZ
New Zealand
Prior art keywords
water
front wall
cabinet
carbonator
syrup
Prior art date
Application number
NZ201639A
Inventor
Jason K Sedam
Richard J Mueller
Andrew J Holoubek
Original Assignee
Coca Cola Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/320,478 external-priority patent/US4493441A/en
Application filed by Coca Cola Co filed Critical Coca Cola Co
Publication of NZ201639A publication Critical patent/NZ201639A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/0015Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components
    • B67D1/0021Apparatus or devices for dispensing beverages on draught the beverage being prepared by mixing at least two liquid components the components being mixed at the time of dispensing, i.e. post-mix dispensers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/0042Details of specific parts of the dispensers
    • B67D1/0057Carbonators
    • B67D1/0069Details
    • B67D1/0074Automatic carbonation control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00Machines, plants or systems, using electric or magnetic effects
    • F25B21/02Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00Apparatus or devices for dispensing beverages on draught
    • B67D1/08Details
    • B67D1/0801Details of beverage containers, e.g. casks, kegs
    • B67D2001/0812Bottles, cartridges or similar containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D2210/00Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D2210/00028Constructional details
    • B67D2210/00031Housing
    • B67D2210/00034Modules
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D2210/00Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D2210/00028Constructional details
    • B67D2210/00099Temperature control
    • B67D2210/00104Cooling only

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
  • Alcoholic Beverages (AREA)
  • Confectionery (AREA)

Abstract

A lightweight, portable post-mix carbonated beverage dispenser unit for use in small offices or small-volume locations is described. Flavoured syrup is supplied to the unit from disposable sealed syrup packages SP which are plugged into a dispenser valving system. CO2 is supplied to the unit carbonator system CT in returnable containers 42 which also may be quickly plugged into a CO2 valving system 44. A thermoelectric refrigeration system 72 may be provided to decrease noise and the number of moving parts or a mechanical freon system may be used. The unit construction may be modular for ease of repair. The cabinet is injection-molded from plastic. Water is supplied to the unit for mixing with the CO2 and syrup from a water reservoir WR which may be manually filled. The refrigeration system cools the water in the reservoir, as well as the syrup packages and carbonator tank.

Description

<div class="application article clearfix" id="description"> <p class="printTableText" lang="en">201639 <br><br> Priority Date(s): J.Q ."JJ I1; I <br><br> Complete Specification Filed: .l"?.-: Class: /367DI/.0&amp;i.Q£s- <br><br> Publication Date: ?.! .!??? <br><br> P.O. Journal, No: .(?&amp;? <br><br> 'ftZPATE,\; oPFtd? <br><br> ~ — -JO* <br><br> 19 AUG 1982 I <br><br> RECEIVED <br><br> Talents form No.5 <br><br> NEW ZEALAND <br><br> PATENTS ACT 1953 <br><br> COMPLETE SPECIFICATION "PORTABLE POST-MIX BEVERAGE DISPENSER UNIT" <br><br> "I-,WE THE COCA-COLA COMPANY, a corporation organised and existing under the laws of the State of Delaware, <br><br> 30301 <br><br> U.S.A. of 310 North Avenue, Atlanta, Georgia -30313; <br><br> U.S.A. <br><br> hereby declare the invention, for which f/we pray that a patent may be granted to m©-/us, and the method by which it is to be performed, to be particularly described in and by the following statement:- <br><br> -1- <br><br> 2016 39 <br><br> SPECIFICATION <br><br> Background of the Invention <br><br> The present invention relates to post-mix beverage dispensers which are compact, portable and suitable for use in small offices or small volume locations. More 5 specifically, the present invention relates to a compact post-mix beverage dispenser unit which may be disposed on a counter top in the above-mentioned environments and supplied with water from a pitcher, syrup from disposable sealed packages and CO2 for carbonation from refillable 10 containers in a rapid and efficient manner. An accessory attachment may allow connection to a building water supply for automatic refill of the reservoir. <br><br> Heretofore, the majority of commercially-available post-mix beverage dispenser units have been designed for 15 large volume commercial uses such as in fast food restaurants. Because of these large volume uses, design criteria have emphasized optimum cooling and dispenser speed rather than low unit cost, size and portability. Although some consideration has been given to cost, size 20 and portability even in these large volume commercial units, the resulting unit designs are generally far too expensive, bulky and heavy for small volume use. <br><br> Some attempts have been made in the beverages-dispenser industry to reduce the cost, size and weight of these units 25 to make them available for use by the general public. However, the units designed heretofore have lacked sufficient cooling capacity, dispensing efficiency, <br><br> beverage quality and reliability as a trade off to achieving the a for ei&amp;ent ioaed low cost, size and portability 30 needed for consumer accent a sice. <br><br> ( ^ ' "I <br><br> 2 016 3 9 <br><br> I <br><br> In order to bo accepted by the small volume consumer, post-mix dispenser units must be easy to set up for use, compact, lightweight, easily repaired, reliable and, most importantly, inexpensive. In addition, the syrup, water 5 and 00^ supplies must be quickly and easily replenished during use by an unskilled consumer. Although attempts have been made to design post-mix beverage dispenser units possessing the foregoing criteria, the design of such a unit has not been totally achieved prior to the invention 10 described hereinafter. <br><br> Summary of the Invention <br><br> Accordingly, it is a primary object of the present invention to provide a portable, low cost, miniature post-mix beverage dispenser unit suitable for use in small 15 offices or low volume locations. <br><br> It is a further object of the present invention to provide a post-mix beverage dispenser unit with cabinetry features which facilitate rapid set-up, loading and replenishing of the syrup, water and CO^ to be used in 20 making the beverages. <br><br> It is another object of the present invention to provide a heat transfer circuit in a post-mix beverage unit operatively associated with a mechanical refrigeration system which directly contacts and cools the water, 25 carbonator tank and syrup packages contained in the unit. <br><br> It is still a further object of one embodiment of the present invention to provide an alternative thermoelectric cooling system which is reliable, compact, adaptable to world electrical requirements, quiet and lightweight, 30 consistent with the objectives of an improved portable post-inix beverage dispenser unit. <br><br> The objects of the present invention are fulfilled by providing a post-mix beverage dispenser unit comprising: a <br><br> Z. <br><br> 201639 <br><br> a cabinet having front, side, back, top and bottom walls; a carbonator; a manually refillable water reservoir within the cabinet for supplying water to said carbonator, said water reservoir having entrance opening means contiguous to 5 said front wall for receiving a manually introduced water supply; at least one replaceable flavor concentrate container disposed contiguous to said front wall; at least one replaceable CC&gt;2 cylinder disposed contiguous to said front wall for supplying CC&gt;2 gas to said carbonator; access means for the 10 water entrance opening means, flavor concentrate container, <br><br> and COj cylinder, permitting water, flavor concentrate containers and CO2 cylinders to be introduced into said cabinet at the front wall thereof; and a dispensing station at said front wall for delivering a post-mix, carbonated beverage formed 15 from a mixture of flavor concentrate and carbonated water. <br><br> The dispenser unit in a preferred embodiment is adapted for rapid set-up by providing a unique cabinet construction comprising: a main cabinet portion having front, back, side and bottom walls with open compartments 20 formed therein for housing various components of the post- <br><br> mix beverage dispenser, said compartments including a water supply compartment for housing a water reservoir adjacent said back wall and an entrance chute therefor adjacent said front wall, a carbonator compartment for housing a carbonator 25 tank adjacent said back wall, a syrup supply compartment for housing replaceable syrup containers adjacent said front wall, and a C02 cylinder adjacent said front wall; said top wall of said main cabinet having openings therein providing access to said water reservoir, entrance chute, carbonator 30 compartment, and said syrup supply compartment; said front wall having openings therein providing access to said syrup supply compartment and said CO 2 supply compartment; first access panel means normally covering the openings in said <br><br> - 3 - <br><br> 201639 <br><br> ptoviding access to both said entrance chute of said water coapaitaant and said syrup compartment, and the opening in <br><br> ✓ <br><br> said front wall providing access to said syrup supply compartment, said first access panel means being movable to 3 selectively uncover said entrance chute and said syrup supply compartment; a second removable access panel normally covering said openings in said top wall providing access to said water compartment and said carbonator compartment; and a third access panel means normally 10 covering the opening in said front wall providing access to said COj supply compartment, said third access panel mean$ being movable to uncover said opening in said front wall to provide access to said COj supply compartment. <br><br> As an alternative, an accessory attachment may allow 15 connection to a building water supply for automatic refill of.the reservoir. <br><br> Brief Description of the Drawings * <br><br> The objects of the present invention and the attendant advantages thereof become more readily apparent by 20 reference to the accompanying drawings, wherein: <br><br> Figure 1 is a front perspective view of the post-mix beverage dispenser unit of the present invention; <br><br> Figure 2 is a left-side elevational view of the post-mix beverage dispenser unit of Figure 1; 25 Figure 3 is a right-side elevational view of the post-mix beverage dispenser unit of Figure 1; <br><br> Figure 4 is a back elevational view of the post-mix beverage dispenser unit of Figure 1; <br><br> Figure 5 is a top plan view of the post-mix beverage 30 dispenser unit of Figure 1 with the top access panels removed to illustrate the compartments for housing th respective component parts of the post-mix beverage dispenser system; <br><br> *b. <br><br> 2G1639 <br><br> ^ Figure C is a tear elevational view of the dispenser <br><br> • unit of Figure 1 with the rear panel renovedf <br><br> Figure 7 is a front perspective view showing -a front access, panel of the cabinet of the dispenser unit of 5 Figure 1 slid to an open position to expose the water entrance chute of the present invention} <br><br> Pigure 8 is a front perspective view with the front access panel completely removed to uncover both the water entrance chute and syrup supply compartment of the present 10 invention? <br><br> Figure 9 is a front perspective view illustrating the COj supply compartment of the dispenser cabinet of Figure 1 in an open position; <br><br> Figure 10 is a bottom perspective view- of a top access 15 panel which covers the carbonator compartment and water reservoir section of the dispenser unit of the present invention; <br><br> Figure 11 is a schematic diagram of the mechanical refrigeration system of the present invention; <br><br> 20 Figures 12A and 12B are cross-sectional views of a portion of an alternate embodiment of the refrigeration system of the present invention wherein a thermoelectric cooling element may be used. <br><br> I 1 ODEC1985n <br><br> Detailed Description of the Preferred Embodiments \ 25 Cabinetry Construction and General Component Arrangement <br><br> The cabinetry construction and the general arrangement of the components of the post-mix beverage dispenser unit of the present invention are illustrated in Figures 1 to 9. Referring in detail to these Figures, there is 30 illustrated the post-mix beverage unit of the present invention generally designated 10, including a maia cabinet portion 12 having front* back* side* top and botto« walls <br><br> 2G1C39 <br><br> 0** — to provide a generally cubicle shape, h front access panel 14 is slidably Mounted on the sain cabinet portion 12 is suitable tracks to provide selective access to a water entrance 5 chute EC and a syrup supply compartment 34. The front access panel 14 is so configured that it forms a flush corner of the final cabinet design in its closed position. That is, removable panel 14 has major surfaces parallel to the top, front and left side of the main cabinet portion 12 10 so that it wraps around and defines a corner of the overall cabinet surface of the unit in the closed position. As best illustrated in Figure 7 and Figure 10 in perspective, the front panel 14 is provided with an extension surface in the plane of the top wall of the main cabinet 12 which 15 covers water entrance chute EC in the closed position and may be selectively removed to uncover the entrance chute EC in an open position. In this position illustrated in Figure 7, the water reservoir WR illustrated in Figure 5 can be manually filled with water from a pitcher by pouring 20 water into entrance chute EC. However, it is advantageous to close off entrance chute EC from the atmosphere when water is not being introduced into the unit for sanitary reasons. <br><br> A top access panel 16 is provided to cover both the 25 water reservoir WR and carbonator compartment 38 juxtaposed near the back wall of the main cabinet portion 12. This access panel 16 is rectangular in shape and merely lifts off from the top of the unit by releasing latch members J.6A when access to the water reservoir WR and carbonator 30 compartment 38 is desired. As illustrated in Figure 10, the top access panel 16 has an agitator blade AG depending therefrom coupled to an agitator motor secured with access ^ panel 16 having a complimentary shape to the carboaator <br><br> ✓ s <br><br> .OV <br><br> compartment 38 to thereby seal and insulate the carbonator <br><br> ° &lt;&gt;•/ « <br><br> rcf V&gt; <br><br> ' 3 V v compartment 30 when the rear access panel 16 is secured to the top of the cabinet 12. <br><br> The back of the main cabinet 12 is provided with a removable access panel 30 which substantially covers the entire rear wall of the cabinet 12 and has attached thereto a conventional refrigeration condenser 32 for the mechanical refrigeration system of the present invention. Removal of this rear access panel 30 and condenser 32 provides ready access to the water pump and refrigeration components of the present invention which will be described in more detail hereinafter with reference to Figure 6. <br><br> An additional access panel 46 is provided in the lower right-hand corner of the dispenser unit of the present invention, as viewed in Figures 1 and 9. Ir. the closed position, panel 46 comprises the lower right-hand corner of the dispenser unit cabinet and is hinged at its back edge to, in effect, form a door which provides access to a CC^ compartment 40 for containing a CC^ cylinder 42 and a CC&gt;2 regulator valve assembly 44. That is, access panel 46 has a right angle configuration which conforms to the shape of the lower right-hand corner of the dispenser cabinet to close the CC^ supply compartment which is a cut-out in one corner of cabinet 12. <br><br> The unique combination of the access panels 14, 16 and 46 facilitates rapid set-up of the post-mix beverage system of the present invention and easy access for repair. With respect to set-up of the system, this may be achieved in the following manner. Front access panel 14 may be slid to a fully opened position, as illustrated in Figure 8, and suitable syrup containers SP may be inverted, directing their discharge ends downwardly and plugged into sockets 36 (Figure 5). Water may then be manually poured from a pitcher into water entrance chute EC whereby it flows down the chute into water reservoir WR. Front access panel 14 may then be closed to the fully closed position illustrated <br><br> 201639 j in Figure 1. In the event that the dispenser unit had an adequate j <br><br> 1 <br><br> supply of syrup and only water need be added, the access panel 14 could be slid to the partially open position of Figure 7, whereby only water entrance chute EC were exposed and water added as 5 described above- The CC^ cylinder 42 illustrated in Figure 9 may then be added by inverting the CC&gt;2 cylinder to direct the discharge opening downwardly and plugging the same into a socket provided on the top surface of CO2 regulator valve assembly 44. <br><br> Thus, it can be seen that the necessary ingredients to be supplied 10 to the post-mix beverage dispenser can be supplied in a rapid and efficient manner without cumbersome connections by virtue of the unique cabinetry design of the present invention and the plug-in <br><br> !■ * <br><br> nature of both the syrup packages SP and CO^ cylinder 42 of the j present invention. j <br><br> 15 In further reference to the plug-in nature of the syrup j packages SP and the CC^ supply cylinder 42, the specific structure of the valve assemblies and associated containers to be used with &gt; <br><br> the dispenser unit of the present invention have been described. j i <br><br> For example, the specific dispensing valve assembly 18 and mixing j <br><br> I <br><br> 20 nozzles 20 contemplated for use with the present invention is j described in U.S. Patent No:4306667. The specific socket for use j in combination with the valve assembly 18 contemplated for use | <br><br> \ <br><br> with the present invention is described in U.S. Patent No: 4426019. The specific COj cylinder construction to be used for cylinder 42 <br><br> 25 and the associated CC&gt;2 regulator valve socket and assembly to be \ <br><br> used with the dispenser unit of the present invention is des- I <br><br> cribed in U.S. Patent No: 4357284. The disclosures of each of \ <br><br> j these aforementioned Patents are incorporated herein by | <br><br> reference. <br><br> 201639 <br><br> The preferred embodiments of the syrup packages SP to be utilized with the present invention are described in U.S. Patent No: 4,216,885 to Jason K Sedam, issued August 12, 1980, and the particular shape of the package is disclosed in U.S. Patent Design No: 273768. As disclosed in U.S. Patent No: 4,216,885, the syrup package SP is provided with a flow control tube therein which is vented to the atmosphere through the bottom of the container after the container is plugged into socket 36. Containers SP are also provided with frangible seals or membranes over the discharge openings thereof and are punctured by a knife or cutting means of the type described in U.S. Patent No: 4,426,019.mentioned above. <br><br> The CC&gt;2 cylinder 42 to be used with the dispenser unit of the present invention is of the type described in the aforementioned U.S. Patent No: 4,357,284, which has a dip tube therein to facilitate the dispensing of CO^ gas from the container in an inverted position such as that which occurs when the discharge end is plugged into a socket in the top of CC&gt;2 regulator valve assembly 44. <br><br> Referring in further detail to Figures 5 and 9, it can be seen that the cabinetry construction of the present invention includes three component compartments accessible through the top wall of the cabinet, including the syrup compartment, water compartment and carbonator compartment and a CC^ supply compartment 40 (Figure 9) formed as a cut-out in the lower right-hand front corner of the dispenser cabinet. An additional compartment is provided <br><br> 2C1C39 <br><br> in the bottom rear of the cabinet, as illustrated in Figure 6, to house the components of the refrigeration system to be described hereinafter. <br><br> The main cabinet portion 12, as well as the various access panels in a preferred embodiment are made of injection molded plastics. Insulation may be provided within the unit and the access panels to increase the cooling efficiency. The injection molded piastics cabinet may be hot-stamped or otherwise decorated with suitable identifying logos, if desired. <br><br> The cabinet of the present invention is also provided with a conventional form of drip tray 20 disposed in an open recess below the syrup compartment and mixing nozzles 22. The cabinet also is provided with a single vertically adjustable front foot 26 centrally disposed under the front edge of the cabinet and a rear support bracket or leg 28 which extends along the entire back edge of the cabinet. This support arrangement facilitates adjustability and stability of the cabinet of the present invention. <br><br> As will be described in more detail hereinafter, a U-shaped cooling bracket 48 may be provided in the syrup supply compartment 34 as illustrated in Figure 8. This bracket may be formed of any good h&lt;?at conductor, and it wraps around the three syrup packages SP. As will be illustrated in more detail with reference to Figure 11, a portion of the evaporator coil C disposed within the water reservoir WR may pass behind and in direct contact with cooling bracket 48 to assist in the cooling of the syrup within syrup packages SP. <br><br> The arrangement of the components of the mechanical refrigeration system of a preferred embodiment of the present invention and other mechanical components not described hereinabove is illustrated in Figure 6. The compressor of the refrigeration system is indicated as CP and is disposed directly below the carbonator compartment lo. <br><br> 2016 <br><br> of the dispenser unit of the present invention. A circulating fan F is also provided and disponed directly below the water reservoir WR for exhausting hot air from the dispenser cabinet. The evaporator of the refrigeration 5 system is not illustrated in Figure 6, but can be viewed in the top plan view of Figure 5 as being in the bottom of the water reservoir NR. A water pump WP is disposed in the cabinet just below the fan F. The water pump, as will become more fully apparent hereinafter with respect to 10 Figure 11, is provided to pump water from the water reservoir WR into the carbonator tank CT on demand. The electrical controls for operating the dispensing system of the present invention are housed in a box CB just above the fan F, as illustrated in Figure 6. <br><br> 15 Water Supply, Carbonation and Refrigeration Systems <br><br> The water supply, carbonation and refrigeration systems of the present invention are illustrated in the schematic diagram of Figure 11. The water reservoir WR is connected to the carbonator tank CT through the water pump <br><br> 20 WP to pump water on demand from the reservoir to the carbonator tank under the supervision of a plurality of probes IP, MP and CO and suitable electrical controls within box CB. That is, when power is turned on, pump WP <br><br> will normally put^p water from reservoir WR into carbonator <br><br> 25 tank CT. However, if the water level falls below the minimum level of probe MP, the electrical circuitry provided within control box CB will turn pump WP off and indicator light 58 on, which signals the need to refill the water reservoir WR. <br><br> 30 Probes IP in water reservoir tank WR and carbonator tank CT sense the build-up of ice on the walls thereof, and when it exceeds a predetermined thickness whereby it covers probes IP, compressor CP is turned off via control box CB <br><br> //. <br><br> 201639 <br><br> and control Line 64. Probes CO in water reservoir tank WR ind carbonator tank CT are merely the common or ground connections for the circuitry of both probes IP and MP. <br><br> Carbonator tank CT also has an additional pair of 5 probes 66 and 68 to initiate or terminate the operation of water pump WP, depending on the level of water present in carbonator tank CT. That is, when the water level drops below probe G6, puinp WP turns on to fill the carbonator tank, and when it reaches a maximum level at the position 10 of probe 68, a signal is generated in the control circuitry within box CB via line 50 to turn the water pump WP off. <br><br> Thus, the respective probes in the water reservoir WR and carbonator tank CT are all connected through the electrical control circuitry in control box CB to either turn the 15 water pump WP on and off, or the refrigeration compressor CP via line 64. <br><br> With water present in carbonator tank CT, it operates in a conventional manner by mixing water from line 52 and CO., gas from line 56 within the tank CT and dispensing 20 carbonated water through outlet line 54 to the dispenser valve assembly 18 wherein it is mixed with syrup from the syrup packages SP. <br><br> As further illustrated in Figure 11, the mechanical refrigeration system includes a compressor CP, an 25 evaporator C, and a condenser 32 connected in a closed refrigeration loop. The evaporator C is disposed in contact with the water reservoir WR to directly chill the water to be pumped to the carbonator. As illustrated, a portion of the evaporator C, namely portion 60, wraps 30 around the carbonator tank CT to cool the same. In addition, anoth.ee portion 62 of evaporator C may pass directly behind and in direct contact with cooling bracket 48 which surrounds syrup packages SP on three sides to cool the contents of those packages. Thus, the mechanical 35 refrigeration system of the present invention may be in <br><br> 2 0 16 j 9 <br><br> heat transfer relationship with all of the essential components of the post-mix beverage to lie dispensed prior to the mixing of those components within mixing nozzles 22. This assures that a post-mix beverage is dispensed at 5 a controllable and suitable temperature into cups or containers resting on drip tray 20. <br><br> In an alternative embodiment, the heat transfer relationship achieved by the refrigeration system of Figure 11 and, more specifically, the portions 60 and 62 of 10 the evaporator coil C in conjunction with the heat transfer bracket 48, may be accomplished by use of a thermoelectric cooling system in combination with a specially designed cold plate therefor which makes a similar type of contact with the carbonator tank and syrup packages. This 15 embodiment of a thermoelectric refrigeration system is illustrated in Figures 12A and 12B. <br><br> Referring to Figure 12A, there is generally illustrated a thermoelectric module 72, having associated therewith a cold plate 76. Cold plate 76 is so configured 20 that it wraps around water reservoir WR and the syrup supply compartment which houses syrup packages SP. Thus, <br><br> both the water reservoir WR and the syrup packages SP are directly cooled by the cold plate 76. Also illustrated in Figure 12A is a heat sink 70 on the bottom of the 25 thennoelectcic module 72 and an associated fan 74 for removing heat from a dispenser cabinet. <br><br> Referring to Figure 12B, there is illustrated a carbonator tank CT, which is also juxtaposed to water reservoir WR and in direct contact with a portion of cold 30 plate 76. Thus, carbonator tank CT is also in a heat transferring relationship with cold plate 76 and is directly cooled thereby. Accordingly, the dispenser unit has three juxtaposed compartments housing the water reservoir, syrup packages and carbonator tank, <br><br> 35 respectively, which are all in direct heat transfer <br><br> /J. <br><br> relationship with cold plat* 76. Thus# as in the mechanical refrigeration system of the present invention# the water reservoir, carbonator tank and syrup packages are all directly cooled by the refrigeration system to provide * 5 a suitably chilled post-mix beverage- <br><br> It should be understood that a preferred embodiment of the dispenser cabinetry and system components of the beverage dispenser of the present invention have been described herein, but that modifications may be made as 10 would occur to one of ordinary skill in the art without departing from the spirit and scope of the present invention. <br><br> For example, the arrangement of the respective compartments of the cabinetry may be modified within the <br><br> 15 spirit and scope of the present invention. The terminology of front, back, side and bottom walls is used for descriptive purposes of the preferred embodiment only to define the relative locations of the component parts as illustrated in the drawings, it being recognized that the <br><br> 20 cabinet may be rotated making the cabinet front and back the sides and vice versa. In addition, the cabinet access panels may be modified slightly within the scope of the present panels could be invention as set forth in the appended claims. For example, canmon/ used to cover adjacent component compartments to reduce the 25 number of panels. <br><br></p> </div>

Claims (13)

<div class="application article clearfix printTableText" id="claims"> <p lang="en"> 2U1039<br><br> WHAT WE CLAIM IS:<br><br>
1. A post-mix, carbonated beverage dispenser apparatus comprising:<br><br> a) a cabinet having front, side, back, top and bottom walls;<br><br> b) a carbonator;<br><br> c) a manually refillable water reservoir within the cabinet for supplying water to said carbonator, said water reservoir having entrance opening means contiguous to said front wall for receiving a manually introduced water supply;<br><br> d) at least one replaceable flavor concentrate container disposed contiguous to said front wall;<br><br> e) at least one replaceable C02 cylinder disposed contiguous to said front wall for supplying C02 gas to said carbonator;<br><br> f) access means for the water entrance opening means, flavor concentrate container, and C02 cylinder, permitting water, flavor concentrate containers and CC&gt;2 cylinders to be introduced into said cabinet at the front wall thereof; and g) a dispensing station at said front wall for delivering a post-mix, carbonated beverage formed from a mixture of flavor concentrate and carbonated water.<br><br>
2. The apparatus of claim 1, wherein said water reservoir is disposed adjacent said back wall of said cabinet and a conduit connects said reservoir to said entrance opening means.<br><br>
3. The apparatus of claim 2, wherein said conduit slopes downwardly from said entrance opening means to said water reservoir.<br><br>
4. The apparatus of claim 1, wherein three of said flavor concentrate containers are disposed contiguous to said front wall.<br><br> - 15 -<br><br> 201639<br><br> 10<br><br> 15<br><br> 20<br><br> 25<br><br> 30<br><br> t n r<br><br>
5. The apparatus of claim 4, wherein said flavor concentrate containers have substantially flat sidewalls and are supported side-by-side, parallel to said front wall above said dispensing station.<br><br>
6. The apparatus of claim 1, wherein said dispensing station includes a valve assembly for each flavor concentrate container and a dispensing nozzle for each valve assembly.<br><br>
7. The apparatus of claim 5, wherein said dispensing station includes a valve assembly for each flavor concentrate container and a dispensing nozzle for each valve assembly..<br><br>
8. The apparatus of claim 7, wherein said dispensing station includes a recess in said front wall below said syrup concentrate containers into which said dispensing nozzles extend and a support surface at the bottom of said recess for drinking containers to be filled with the carbonated beverage.<br><br>
9. The apparatus of claim 1 wherein said entrance opening means includes an entrance chute extending to a front wall of said cabinet.<br><br>
10. The apparatus of claim 9, wherein said top wall of said cabinet has openings therein providing access to said water reservoir, entrance chute, carbonator and flavor concentrate container, and said access means includes,<br><br> a first access panel normally covering the openings in said front and top walls providing access to said container-,<br><br> a second access panel normally covering said openings in said top wall providing access to said water reservoir and said carbonator,<br><br> a third access panel at least covering the opening in said front wall providing access to said CC^ supply compartment, said third access panel being moveable to uncover said opening in said front wall to provide access to said CO2 cylinder.<br><br> 201639<br><br>
11. The apparatus of claim 1 further comprising: a refrigeration system including,<br><br> a compressor,<br><br> a condensor, and an evaporator coil, said evaporator coil having a main portion disposed in contact with said water reservoir for cooling said water, a second portion in heat transfer relationship with said carbonator tank, and a third portion in heat transfer relationship with said replaceable syrup containers.<br><br>
12. The apparatus of claim 1, wherein said flavor concentrate container is disposed in a syrup supply compartment including upwardly facing sockets for receiving the discharge end of replaceable gravity-feed flavor concentrate containers.<br><br>
13. A post-mix beverage dispenser system as claimed in Claim 1, substantially as specifically described herein with reference to any one of the embodiments shown in Figures 1 to 12B of the accompanying drawings.<br><br> jC %<br><br> - 17 -<br><br> </p> </div>
NZ201639A 1981-11-12 1982-08-19 Small portable post-mix beverage dispenser NZ201639A (en)

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US32047681A 1981-11-12 1981-11-12
US06/320,478 US4493441A (en) 1981-11-12 1981-11-12 Portable post-mix beverage dispenser unit

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AU (1) AU562616B2 (en)
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CA (1) CA1198395A (en)
DE (1) DE3280096D1 (en)
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IE (1) IE55576B1 (en)
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SU1184440A3 (en) 1985-10-07
AU562616B2 (en) 1987-06-18
ES524088A0 (en) 1984-06-16
IE55576B1 (en) 1990-11-07
BR8206313A (en) 1983-09-20
ES277888U (en) 1984-08-01
DE3280096D1 (en) 1990-03-08
EP0190811A3 (en) 1987-08-19
ES8405725A1 (en) 1984-06-16
NO159261C (en) 1988-12-14
KR840001929A (en) 1984-06-07
AU8747682A (en) 1983-05-19
EP0080253A3 (en) 1983-09-07
ES277888Y (en) 1985-03-01
CA1198395A (en) 1985-12-24
EP0080253B1 (en) 1990-01-31
EP0190811A2 (en) 1986-08-13
NO159261B (en) 1988-09-05
EP0080253A2 (en) 1983-06-01
IE822472L (en) 1983-05-12
NO823680L (en) 1983-05-13
ATE49949T1 (en) 1990-02-15

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