IE46062B1 - Dispenser for perishable beverages - Google Patents
Dispenser for perishable beveragesInfo
- Publication number
- IE46062B1 IE46062B1 IE2073/77A IE207377A IE46062B1 IE 46062 B1 IE46062 B1 IE 46062B1 IE 2073/77 A IE2073/77 A IE 2073/77A IE 207377 A IE207377 A IE 207377A IE 46062 B1 IE46062 B1 IE 46062B1
- Authority
- IE
- Ireland
- Prior art keywords
- bowl
- beverage
- valve
- tube
- refrigerated
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
- B67D3/02—Liquid-dispensing valves having operating members arranged to be pressed upwards, e.g. by the rims of receptacles held below the delivery orifice
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Dispensing Beverages (AREA)
- Packages (AREA)
Abstract
The device for delivering cooled drinks, especially milk, has a barrel (12) with an aperture (26) which is arranged in the floor (18) of the barrel and through which there extends an outlet pipe (28) with a discharging nozzle (30). The outlet pipe (28) extends into the filling space of the barrel and is situated below the surface of the liquid during operation. The outlet pipe (28) is made of a highly heat-conductive material, such as brass, and is kept by the surrounding liquid at a temperature which corresponds to the cooled liquid. A liquid inlet channel (38) opens out into the interior of the outlet pipe (28), in which a valve case (50) is mounted so as to be vertically movable, the said channel (38) opening out above the seat (58) of a valve which locks the delivery of liquid from the barrel (12) via the discharging nozzle (30). Movement of an actuating lever (80) which is arranged outside the bowl (12) is coupled via a compression bar (84) to movement of the valves case (50) in such a way that lifting of the lever (80) causes the valve case (50) to be lifted from its seat (58), leading to delivery of the liquid.
Description
This invention relates to beverage dispensers and more particularly comprises a new and improved refrigerated beverage dispenser designed to handle perishable and potentially hazardous beverages such as milk.
One of the major problems in handling potentially hazardous beverages such as milk in dispensers is that a portion of the beverage may remain in an unrefrigerated part of the dispensing system and. spoil, which creates a health hazard. This problem is recognized by the National Sanitation Foundation which has established standards for dispensers. Those standards require that dispensers be capable of maintaining the beverage and all dispenser surfaces in contact with it at 45° F. or less, in a 100° F. environment.
The standards imposed by the National Sanitation Foundation are particularly difficult to meet in the valve assemblies of dispensers and more particularly in those portions of the valve assemblies which a.re actually exposed to >
room temperature. The problem is even more acute in relatively inexpensive counter top dispensers where highly sophisticated and expensive valves are not suitable.
The principal object of this invention is to provide a simple valve assembly for beverage dispensers, which can maintain all the beverage in the dispenser including any residue trapped in the valve as well as all of the dispenser surfaces in contact with the beverage at 45° F. or below.
In accordance with this invention the valve assembly includes an outlet tube which is disposed in the bowl and extends through an opening in the bowl bottom wall. The tube
- 2 46062 is made of a highly conductive material such as brass. Because the tube is submerged in the refrigerated beverage which preferrably is being circulated in the bowl, it quickly assumes and maintains the beverage temperature. The tube is provided with an inlet port in the bowl, which permits beverage to enter the tube. A valve is movable in the tube and cooperates with a seat in the tube disposed downstream of the discharge port for opening and closing the outlet tube. The top of the valve is connected by a link to the top of a push rod which extends through a tubular support in the bowl to the bowl exterior. A push handle in turn mounted beneath the bowl is connected to the bottom of the push rod. The connecting link is designed for easy removal from the valve and push rod for ease of cleaning.
These and other objects and features of this invention will be better understood and appreciated from the following detailed description of two embodiments thereof, read in connection with the accompanying drawing.
FIG. 1 is a fragmentary cross-sectional view of a beverage dispenser constructed in accordance with one embodiment of this invention;
FIG. 2 is a view of the link detail of the dispenser; FIG. 3 is a fragmentary cross-sectional view of a beverage dispenser constructed in accordance with the preferred embodiment of this invention; and
FIG. 4 is a view of the link detail of the dispenser of FIG. 3.
The present invention typically has application in beverage dispensers such as shown in the United States Patent
No. 3,920,163 dated November 18, 1975 entitled BEVERAGE DISPENSER
- 3 46062
WITH IN-BOWL WHIPPER and Ho. 3,360,956 dated January 2, 1968 entitled CIRCULATION SYSTEMS FOR BEVERAGE DISPENSERS. The dispenser shown in FIGS. 1 and 2 is in fact the dispenser of patent No. 3,920,163, modified to include the improvement of this invention.
The dispenser illustrated includes a base 10, bowl 12 supported on the base and valve assembly 14. The portion of the bowl shown includes front wall 16 and bottom wall 18. The bottom wall 18 rests on base 10 and a condensate tray (not shown) may be provided on the base and in direct contact with the bowl.
A well 20 is formed in the front portion of the bottom wall 18 of the bowl immediately adjacent bowl front wall 16. The well 20 is generally cylindrical in shape and includes a bottom 22 and cylindrical side wall 24. An opening 26 is provided in the bottom wall 22 of well 20, and an outlet tube 28 is seated in the well. In this embodiment, the tube includes a spout 30 that extends out of the bowl through opening 26. The outlet tube 28 also includes an upper portion that serves as a valve support sleeve 32, which is of somewhat greater diameter than spout 30 and which is positioned in bowl 12 immersed in the beverage which fills the bowl. The shoulder 34 of the outlet tube rests on the bottom wall 22 of the well, and a,n 0-ring 36 provides a seal between the upper portion of. the outlet tube and the bowl to prevent beverage from leaking through opening 26 and about tube 28. It will be appreciated that the outlet tube 28 may be removed from the bowl by first disconnecting the other elements fastened to it and then lifting it upwardly out the top of the bowl.
- 4 A discharge port 38 is provided in the side of the upper portion 32 of the outlet tube and may include a nipple 40 to which flexible tubing 42 may be connected, which joins the 1n-bow1 whipper assembly 44. The in-bowl whipper assembly 44 may be identical to that shown in patent No. 3,920,163 supra, and its details do not form part of the present invention.
In the drawing the flexible tubing 42 is shown joining the discharge port 46 of the whipper housing 48 and the nipple 40 about port 38 on the outlet tube 28.
Valve 50 having an upper enlarged portion 52 and a lower portion 54 of reduced diameter is slidable in the upper portion (valve support sleeve) 32 of the outlet tube. 0-ring 56 carried at the bottom of lower portion 54 of the valve cooper ates with a valve seat 58 at the top of spout 30 to control flow of beverage from the bowl out port 38 and down through the outlet tube. In the position shown, 0-ring 56 forms a seal with the seat to prevent flow through the tube.
In this embodiment a vent passage 60 extends axially through valve 50 and is open to the atmosphere through the spout 30 of outlet tube 28. The valve in turn carries a vent tube 62 that extends upwardly to a level above the maximum liquid level in the bowl. As shown in the drawing, the top 64 of vent tube 62 is diposed above the level 66 of the beverage. Passage 60 and vent tube 62 thus provide continuous venting for the valve assembly 14.
The valve 50 is controlled by valve actuator 68 in the form of a push handle which is pivotally supported on the flange 70 forming part of bowl 12. As shown in the drawing, the push handle 68 is connected to flange 70 by means of a pin 72 30 that forms the pivotal support for it. The lower end 74 of
- 5 46062 the push handle extends generally vertically downward in front of base 10 of the dispenser and is positioned to engage a switch 75 on front panel 77 of the base and which forms part of the control circuit (not shown) of the motor 78 that drives the in-bowl whipper 44 as explained in detail in patent No. 3,920,163.
The horizontal arm 80 of push handle 58 is coupled to the bottom end 82 of push rod 84 that in turn extends upwardly through push rod tubular support 86, into bowl 12.
The push rod tubular support is anchored in an opening 88 provided in the bottom wall 18 of bowl 12, and the support extends upwardly in the bowl above the liquid level 65. The top end 90 of push rod 84 is connected by link 92 to the top end 64 of vent tube 62. The support 86 of course prevents liquid in the bowl from leaking out opening 88.
Link 92 has a collar 94 that receives the top end of push rod support 86 to prevent the beverage in the bowl from entering the top of the support and leaking out the support through opening 88. The collar is slotted at 96 as suggested in FIG. 2 to receive the cross pin 98 carried on the top of push rod 84, A slot TOO is also provided in the link 92 which provides a snap-type fit on the vent tube 62. Thus, the link provides a dependable connection between the connecting rod and vent tube while at the same time enabling them to be conveniently disassembled for removal of the various parts from the bowl for easy cleaning.
The outlet tube 28 is made of a highly thermally conductive material such as brass, properly coated to render a it suitable for use iji/food vending machine. Because the tube is disposed in the cold beverage in the dispenser maintained at
- 6 46062 perhaps 35°F. by the refrigeration system, the tube serves as a heat sink to keep the external portions of the valve, that is, the outlet tube surfaces, below the prescribed temperature of 45°F. The circulation of the beverage in the bowl in 5 contact with the tube 28 of course enhances the heat exchange relationship between the beverage and tube to maintain the tube at the beverage temperature. The circulation is caused by the evaporator-circulator 101 in the bowl which may be identical to that shown in United States Patent No. 3,822,565 dated July 9, 1974. Its details are not part of the present invention. The lower end of the outlet tube, that is spout 30, may be surrounded by a sleeve 96 of insulating material which would assist the tube in maintaining the low temperature.
The very bottom of valve 50 defines the closure 15 with valve seat 58, and no moving part of the valve assembly is located below the seat. Consequently, no dried product will form in the valve assembly that may cause the valve to stick in the tube. There is no opportunity for dried products to form in the valve assembly which would interfere with the valve because the spout is open and unobstructed and fully vented.
The valve 50 itself typically is made of stainless steel. Because the valve is fully vented through vent passage 60 and vent tube 62, the beverage will flow rapidly from the bowl through the outlet tube. There is no opportunity for a partial vacuum to form in the valve assembly which would retard flow.
In the beverage dispenser shown, the push handle is positioned with respect to the switch 76 so as to cause the switch to close after the valve in the outlet tube is open when
- 7 46062 the handle is pushed toward base 10, and conversely, when the handle is released, the switch 76 is opened before the valve closed. Of course the particular valve assembly of this invention is not confined to use in a system wherein the inbowl whipper is employed. Rather, the valve assembly has application in other beverage dispensers. When no in-bowl whipper is used, the outlet port 38 can be in direct communication with the contents of the bowl and all flow may be gravity induced.
In the preferred embodiment of FIGS. 3 and 4, the dispenser is very similar to that shown in FIGS. 1 and 2.
The bowl 150 rests on the base 152 and a whipper 154 disposed in the bowl is driven by motor and magnet assembly 156. An evaporator dome 158 extends from the base 152 into the bowl 150 through an opening (not shown) provided in the bottom wall of the bowl, and a· paddle wheel circulator assembly 160 causes the liquid in the bowl 150 to circulate about the evaporator 158 to efficiently reduce the temperature of the liquid in the bowl. The evaporator 158 and circulator 160 may be identical to that shown in U.S. Patent No. 3,360,956. The rest of the refrigeration system of which the evaporator forms but one part is contained in the base. The whipper assembly 154 identical to that shown in the first described embodiment is the same as the whipper shown in Patent No. 3,920,163 supra.
The preferred embodiment differs from the first described embodiment in the construction of the valve and actuator assembly 170.
A shallow well 172 identical to the well 20 of the first embodiment is formed in the bottom wall 174 of bowl 150
- 8 46062 adjacent front wall 176. An outlet tube 178 is seated in well 172 with its lower end 180 of reduced diameter extending through the opening 182 provided in the bottom wall 184 of well 172. An 0-ring 186 surrounds the lower portion of tube 178 and forms a seal with the inner surface of the cylindrical wall 188 that defines well 172.
The outlet tube 178 is made of a highly conductive material such as brass. While other materials may be used, it is important that the tube be a good thermal conductor so that it may maintain a temperature substantially equal to that of the liquid in bowl 150 within which it is submerged. Circulator 160 which causes the beverage refrigerated by the evaporator 158 to move about the bowl creates an effective heat exchange relationship between the beverage and the outlet tube. The beverage serves as a heat sink for the sleeve so that any heat absorbed by the tube particularly at its lower end may readily be dissipated into the circulating beverage. Because of the importance of this characteristic of the tube, a tube made of stainless steel for example, which is a poorer heat conductor than brass would produce an inferior result than the tube made of brass.
Valve 190 is slidably disposed in tube 178 and has a lower portion 192 of reduced diameter which carries an 0-ring 194 that is designed to form a seal at the shoulder 196 formed at the top of the lower section 180 of tube 178.
Thus, when the valve 190 is in the position shown in FIG. 3, the 0-ring 194 rests on the shoulder or seat 196 so as effectively to close the valve. As in the first described embodiment, tube 178 carries a nipple 200 to which is connected the duct 202 leading from the whipper assembly 154.
- 9 46062
The valve 190 is actuated by push handle 204 having a horizontal arm 206 connected to the lower end 208 of push rod 210. The upper end 212 of push rod 210 is connected to link 214 which in turn is connected to the upper end 216 of valve 190. Push rod 210 extends through sleeve 220 formed as a cylindrical wall in the lower wall 174 of the bowl, and the sleeve guides the motion of the push rod in an axial direction.
A bellows 222 is connected to the upper end of the sleeve 220, and the upper end of the bellows in turn is sealed to the upper portion 212 of the push rod. Thus, the bellows 222 serves both to seal the opening 224 in the sleeve through which the push rod extends and also serves as a spring to return the push rod to the lower position as shown in the drawing. When the push handle is pivoted in the direction of arrow A the push rod 210 is elevated in sleeve 220 against the bias of the bellows, and the link on the top of the rod moves the valve 19Q up with it and thereby opens the valve by unseating 0-ring 194 from shoulder 196. When the push handle is released, it pivots back to the position shown and the valve seats in the closed position illustrated.
It will be apparent from the foregoing description that assembly 170 can readily be disassembled for cleaning.
The link 214 whose slotted end 230 engages the upper end 216 of the valve may be disconnected readily from the valve by the snap action of the arms 232 that define the slot. Moreover, link 214 may be removed from the upper end of push rod 210 by being lifted off the upper portion 212. The bellows may be removed from sleeve 220, and valve 190 and sleeve 178 may separately be removed from the bowl so that all of the elements may be cleaned.
- 10 1 It is important to recognize that the tube 178 which itself is made of a highly conductive material is kept at a reduced temperature by the circulating beverage in the bowl in which it is submerged. Thus, the tube 178 forms a refrigerated outlet so that any liquid in the tube is maintained at the reduced temperature to retard the buildup of bacteria, etc.
That the sleeve is made of a highly conductive material, that it extends into the beverage, and that the beverage itself circulates about the sleeve all contribute to the efficiency of the system.
It will be appreciated that the valve assemblies of this invention accomplish all the recited objects of this invention. It serves to maintain all of the parts in contact with the beverage at the low temperature required by the
National Sanitation Foundation standards. Moreover, the valve assembly may be very quickly disassembled for cleaning.
Because modifications may be made of this invention without departing from its spirit, it is not intended that the breadth of the invention be limited to the specific embodiment illustrated and described. For example, while in the present invention the push handle 58 is shown to actuate the valve through the push rod and link (and vent tube, in one embodiment) it is to be understood that other systems may be employed for the same purpose. While the embodiment of
FIGS. 3 and 4 is preferred, other techniques may be employed as well. Therefore, the breadth of this invention is to be determined by the appended claims and their equivalents.
Claims (9)
1. A refrigerated beverage dispenser having a base and a bowl on the base for storing the refrigerated beverage, an opening in tne bowl, an outlet tube in the bowl and 5 registering with the opening, a port in the outlet tube within the bowl through which beverage in the bowl is permitted to discharge, a valve movable in the outlet tube within the bowl, a valve seat in the outlet tube and cooperating with the valve to control the discharge of 10 beverage from the bowl through the tube, and an actuator operatively connected to the valve for unseating it from the valve seat to permit discharge of beverage from the bowl? further characterized by said outlet tube being submerged in and surrounded by the beverage and being confined to the bowl 15 and made of a material having a high thermal conductivity? a refrigeration system operatively connected to the bowl for cooling the beverage in the bowl, and a circulator disposed in the bowl for circulating the refrigerated beverage in contact with the outlet tube to reduce the temperature of the 20 tube.
2. A refrigerated dispenser as defined in claim 1 further characterized by said valve having a solid, imperforate cylindrical body movable up and down in the tube within the bowl. 25
3. A refrigerated dispenser as defined in claim 2 further characterized by said tube being made of brass or similar material having a comparable thermal conductivity. - 12 4β0θ2
4. A refrigerated beverage dispenser as described in claim 1 or claim 2 further characterized by a second opening in the bowl bottom, a push rod extending through the opening and operatively connected to the valve, a bellows sealing the 5. Second opening about the push rod, and a handle outside the bowl and connected to the rod.
5. A refrigerated beverage dispenser as defined in claim 4 further characterized by an O-ring shut-off seal carried on the body down stream of the port and cooperating with the 10 seat to control flow from the bowl.
6. A refrigerated beverage dispenser as defined in claim 5 furhter characterized by a link connecting the top of the valve to the top of the rod.
7. A refrigerated beverage dispenser as defined in claim 15 1 or claim 2 further characterized by said circulator including a paddle rotataoie about a vertical axis in the bowl for moving the beverage.
8. A refrigerated beverage dispenser as defined in claim 7 further characterized by a whipper disposed in the bowl and 20 connected to the port for whipping the beverage before it enters the tube.
9. A refrigerated beverage dispenser substantially as described herein with reference to the accompanying drawings.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/827,954 US4161971A (en) | 1976-06-21 | 1977-08-26 | Dispenser for perishable beverages |
Publications (2)
Publication Number | Publication Date |
---|---|
IE46062L IE46062L (en) | 1979-02-26 |
IE46062B1 true IE46062B1 (en) | 1983-02-09 |
Family
ID=25250574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE2073/77A IE46062B1 (en) | 1977-08-26 | 1977-10-11 | Dispenser for perishable beverages |
Country Status (20)
Country | Link |
---|---|
JP (1) | JPS5438878A (en) |
AT (1) | AT370702B (en) |
AU (1) | AU509061B2 (en) |
BE (1) | BE860732A (en) |
BR (1) | BR7707559A (en) |
CA (1) | CA1059080A (en) |
CH (1) | CH625488A5 (en) |
DE (1) | DE2749938A1 (en) |
DK (1) | DK146685C (en) |
FI (1) | FI65976C (en) |
GB (1) | GB1585225A (en) |
IE (1) | IE46062B1 (en) |
IT (1) | IT1089154B (en) |
LU (1) | LU78464A1 (en) |
MX (1) | MX145508A (en) |
NL (1) | NL176355C (en) |
NO (1) | NO146741C (en) |
NZ (1) | NZ185405A (en) |
SE (1) | SE432091B (en) |
ZA (1) | ZA777640B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3430952A1 (en) * | 1984-08-22 | 1986-03-06 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | ARRANGEMENT OF A CIRCUIT PUMP IN A RESERVOIR |
DE3528273C1 (en) * | 1985-08-07 | 1987-04-02 | Milchquelle-Zapftechnik Vertriebsgesellschaft mbH, 8160 Miesbach | Self-tapping system for milk |
DE8908821U1 (en) * | 1989-07-20 | 1989-10-05 | Didier-Werke Ag, 6200 Wiesbaden | Lining stone made of refractory ceramic material |
DE102004041816B4 (en) * | 2004-08-30 | 2008-01-03 | Kwc Ag | Device for carbonating and cooling drinks |
-
1977
- 1977-10-10 DK DK448177A patent/DK146685C/en active
- 1977-10-10 FI FI772978A patent/FI65976C/en not_active IP Right Cessation
- 1977-10-11 SE SE7711426A patent/SE432091B/en unknown
- 1977-10-11 NZ NZ185405A patent/NZ185405A/en unknown
- 1977-10-11 GB GB42283/77A patent/GB1585225A/en not_active Expired
- 1977-10-11 MX MX170896A patent/MX145508A/en unknown
- 1977-10-11 IE IE2073/77A patent/IE46062B1/en unknown
- 1977-10-12 NO NO773490A patent/NO146741C/en unknown
- 1977-10-17 NL NLAANVRAGE7711349,A patent/NL176355C/en not_active IP Right Cessation
- 1977-10-21 AT AT0756677A patent/AT370702B/en not_active IP Right Cessation
- 1977-10-27 CH CH1308077A patent/CH625488A5/en not_active IP Right Cessation
- 1977-10-31 IT IT29224/77A patent/IT1089154B/en active
- 1977-11-07 LU LU78464A patent/LU78464A1/xx unknown
- 1977-11-08 DE DE19772749938 patent/DE2749938A1/en not_active Withdrawn
- 1977-11-10 BE BE182554A patent/BE860732A/en not_active IP Right Cessation
- 1977-11-11 BR BR7707559A patent/BR7707559A/en unknown
- 1977-11-21 AU AU30804/77A patent/AU509061B2/en not_active Expired
- 1977-11-22 JP JP14054877A patent/JPS5438878A/en active Granted
- 1977-11-24 CA CA291,640A patent/CA1059080A/en not_active Expired
- 1977-12-22 ZA ZA00777640A patent/ZA777640B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DK146685C (en) | 1984-05-14 |
DE2749938A1 (en) | 1979-03-08 |
NO773490L (en) | 1979-02-27 |
SE7711426L (en) | 1979-02-27 |
NO146741C (en) | 1982-12-01 |
NO146741B (en) | 1982-08-23 |
ZA777640B (en) | 1979-07-25 |
BR7707559A (en) | 1979-06-05 |
NL7711349A (en) | 1979-02-28 |
BE860732A (en) | 1978-03-01 |
FI772978A (en) | 1979-02-27 |
NL176355B (en) | 1984-11-01 |
LU78464A1 (en) | 1978-03-14 |
DK448177A (en) | 1979-02-27 |
DK146685B (en) | 1983-12-05 |
IE46062L (en) | 1979-02-26 |
AT370702B (en) | 1983-04-25 |
AU509061B2 (en) | 1980-04-17 |
CA1059080A (en) | 1979-07-24 |
CH625488A5 (en) | 1981-09-30 |
MX145508A (en) | 1982-02-26 |
ATA756677A (en) | 1982-09-15 |
FI65976B (en) | 1984-04-30 |
GB1585225A (en) | 1981-02-25 |
JPS573556B2 (en) | 1982-01-21 |
JPS5438878A (en) | 1979-03-24 |
IT1089154B (en) | 1985-06-18 |
SE432091B (en) | 1984-03-19 |
NL176355C (en) | 1985-04-01 |
NZ185405A (en) | 1980-10-24 |
FI65976C (en) | 1984-08-10 |
AU3080477A (en) | 1979-06-28 |
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