EP0172385B1 - Dispositif de mélange de boissons - Google Patents

Dispositif de mélange de boissons Download PDF

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Publication number
EP0172385B1
EP0172385B1 EP85108643A EP85108643A EP0172385B1 EP 0172385 B1 EP0172385 B1 EP 0172385B1 EP 85108643 A EP85108643 A EP 85108643A EP 85108643 A EP85108643 A EP 85108643A EP 0172385 B1 EP0172385 B1 EP 0172385B1
Authority
EP
European Patent Office
Prior art keywords
piston
restoring force
flow
delivery valve
valve according
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP85108643A
Other languages
German (de)
English (en)
Other versions
EP0172385A2 (fr
EP0172385A3 (en
Inventor
Matthias Dipl.-Ing. Aschberger
Karlheinz Dipl.-Ing. Färber
Ulrich Dipl.-Ing. Wolf
Anton Dipl.-Ing. Deininger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOSCH-SIEMENS HAUSGERAETE GMBH
Coca Cola Co
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 DE19843430953 external-priority patent/DE3430953A1/de
Priority claimed from DE19843430901 external-priority patent/DE3430901A1/de
Application filed by Coca Cola Co filed Critical Coca Cola Co
Priority to AT85108643T priority Critical patent/ATE49137T1/de
Publication of EP0172385A2 publication Critical patent/EP0172385A2/fr
Publication of EP0172385A3 publication Critical patent/EP0172385A3/de
Application granted granted Critical
Publication of EP0172385B1 publication Critical patent/EP0172385B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1277—Flow control valves
    • B67D1/1279—Flow control valves regulating the flow
    • B67D1/1281—Flow control valves regulating the flow responsive to pressure
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • 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
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • 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
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/74—Devices for mixing two or more different liquids to be transferred
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/07—Carbonators

Definitions

  • the present invention relates to a dispensing valve for carbonated liquids under pressure in a storage container in a mixing arrangement for beverages, consisting of an outlet shut-off valve which can be controlled by a time control device and a flow control valve which controls a constant flow irrespective of the pressure of the supplied liquid.
  • a dispensing valve for carbonated liquids under pressure in a storage container in a mixing arrangement for beverages, consisting of an outlet shut-off valve which can be controlled by a time control device and a flow control valve which controls a constant flow irrespective of the pressure of the supplied liquid.
  • Such an arrangement is used, for example, in a vending machine in which a beverage concentrate or optionally one of several beverage concentrates can be mixed with carbonated water to form a soft drink immediately before consumption.
  • the carbonated water required for this purpose is cooled and stored under pressure. In a known manner, this carbonized water is output for the mixing process via a shut-off valve and, if appropriate, via an expansion valve downstream of this.
  • the quality of the mixed drink depends to a large extent on the mixing ratio of beverage concentrate and carbonated water. For this reason, it is essential to take measures that are suitable to ensure the required mixing ratio under the different conditions that are normal in normal operation. For example, it is known to determine the amount of beverage concentrate in portions via dosing chambers.
  • a dispensing valve arrangement has become known (US Pat. No. 3,653,548), by means of which beverages from fruit syrup and carbonated water were mixed in that the carbonated water via a line provided with a shut-off valve and the fruit syrup via a piston-controlled flow regulator and this downstream shut-off valve are fed in parallel with one another to an output channel.
  • the flow controller for the syrup has a single fixed flow restrictor and controls, depending on the input-side, directly variable pressure, flow restrictor on the outlet side by changing the outflow openings arranged in the cylinder wall via the piston wall.
  • the flow regulator / shut-off valve combination is not intended for carbonated water supply and is also not very suitable for high demands on the flow rate accuracy of gaseous liquids.
  • the object of the present invention is now to provide an arrangement by which an exact determination of the dispensing quantities of liquids is made possible.
  • An arrangement which meets these requirements is characterized in accordance with the invention in that a flow control valve controlling a constant flow irrespective of the pressure of the supplied liquid is directly connected to an outlet shut-off valve and that a timing device is assigned to the outlet shut-off valve.
  • An arrangement constructed according to these features of the invention follows the concept of assigning different functional requirements to different functional units and arranging them as closely as possible to one another.
  • a functional requirement is given in that the opening time of the dispensing valve, which is predetermined by the time control, is realized as precisely as possible. For this reason, an outlet shut-off valve is arranged, which can do this task to an outstanding degree.
  • this unit is not responsible for the flow rate control.
  • the flow control valve controlling a constant flow is arranged independently of the pressure of the supplied liquid. This, in turn, can do an excellent job.
  • both functional units are arranged in the immediate vicinity, since this largely prevents an uncontrolled outflow of the liquid during the switching phases of the outlet shut-off valve.
  • the arrangement according to the invention is characterized in that the pressure-independent flow control valve has a piston chamber with a displaceable piston loaded with restoring force, which divides the piston chamber into two sections, that between these two sections there is a flow choke section and that the first chamber Partial area, in the direction of which the restoring force acts, has an unchangeable flow inlet opening and the second piston chamber partial area has a flow outlet throttle that is variable in cross section due to the piston position.
  • a particularly uniform flow rate is realized by such an arrangement, since the measures taken men are extremely sensitive to react, in particular, to pressure fluctuations and, depending on this, to change the throttle behavior.
  • the flow inlet opening into the pressure-dependent flow control valve is designed as a throttle section.
  • a pressure reduction is already carried out in this area, so that the control behavior is closer to an area approaching the output pressure.
  • the arrangement according to the invention is characterized in that a plurality of bores are arranged on the circumference of the throttle chamber in the displacement area of the piston.
  • a particularly favorable control characteristic for the flow rate can be achieved by slightly displacing these bores in the piston stroke direction.
  • a spring will expediently be arranged to provide the restoring force on the piston. To readjust the flow rate to a certain desired quantity and to readjust the arrangement, it is expedient to take care of an adjustability of the restoring force.
  • a pressure screw acting on the return spring can be used for this.
  • the arrangement according to the invention is preferably further developed such that the restoring force for the control piston is guided via a temperature compensation rod.
  • plastic can be used, for example, for the control valve housing, while the control piston consists of metal.
  • This choice of material is advantageous both in terms of production technology and sliding technology.
  • the use of the temperature compensation rod makes it possible to compensate for the different temperature-related expansions of these functional parts, not only with regard to the conditions changed by the change in length, but also with regard to different diameter conditions.
  • the appropriate choice of material for the temperature compensation rod will expediently have to be determined empirically.
  • An automatic beverage machine for optional mixing of different beverage concentrates with chilled CO 2 water to form a mixed beverage contains as essential components a mixing trough 1, in which the mixing process is initiated or carried out, beverage concentrate containers 2, from which the beverage concentrates are added in portions to the mixing trough via metering devices 3 1 are supplied and a storage container 4 for cooled CO 2 water, which can flow into the mixing trough as required via an output valve 5.
  • the beverage mixture leaves the mixing trough 1 via an outlet funnel 6.
  • the CO 2 water supply is cooled by refrigerants which are passed through a pipe 7 wound around the storage container 4.
  • the CO 2 water supply within the container 4 is supplemented by the quantities withdrawn via the discharge valve 5 in that fresh water is supplied via a pipeline 8 - controlled via a valve system 9 - and via a pipeline 10 from a container 11 with a 00 2 gas filling - Controlled by a valve system 12 - Co 2 gas is supplied.
  • the quality of the mixed drink that can be achieved depends to a large extent on the mixing ratio of beverage concentrate and carbonated water.
  • the beverage concentrate quantity determination can be carried out with known accuracy of the metering devices 3 with sufficient accuracy.
  • a corresponding amount of carbonated water is now to be mixed into the respective beverage concentrate amounts.
  • the output valve 5 is used, which in the Fi g. 2 is shown in section. The time is controlled via a control circuit 13, which is not explained in detail.
  • the output valve 5 consists principally of two functional units, namely an electromagnetically controllable flow / shut-off valve 14 and a flow control valve 15 which controls the flow quantities independently of the supplied liquid pressure.
  • the flow / shut-off valve 14 contains an electromagnetic coil 16. At their excitation by current flow, a magnet armature 17 is attracted against the force of a spring 18. A membrane 19 connected to this plunger anchor 17 lifts off its valve seat 20, so that the carbonized water supplied from the reservoir 4 via the line 21 can pass this shut-off valve essentially unhindered. Through channels 22 and a housing bore 23, this reaches the area of the flow control valve 15, namely in the inlet-side portion 24 of a piston chamber of this flow control valve.
  • a piston 25 arranged in this piston chamber is acted upon by the force of a spring 26, specifically in the direction of the inflow region 24 of the carbonized water.
  • a throttle bore 27 is made in the end face of the piston, so that the carbonized water supplied can reach the second partial region 28 of the first partial region 24 of the piston chamber. When there is flow, a pressure reduction takes place at this throttle bore 27.
  • a plurality of bores 29 are arranged in the cylinder liner 30 on the circumference of the second partial region 28 of the piston chamber and lead to an outflow channel 31 via a ring line 35 in the housing wall. These bores 29 lie in the stroke area of the piston skirt 25.
  • the piston is pressed to an increased extent against the force of the spring 26, so that the outlet openings 29 are covered more by the piston skirt.
  • An increased throttling effect occurs at these points. If there is less pressure in the area of the first partial area 24 of the throttle chamber, then the piston 25 correspondingly follows the force of the spring 26 and the outlet openings 29 are increasingly opened. The throttling effect on the liquid flowing through in this area decreases accordingly.
  • Appropriate dimensioning means that the throttling effect in the area of the outlet openings 29 changes in proportion to the liquid pressure occurring in the first partial area 24 of the piston chamber. With this, however, the flow rate of the carbonated water can be regulated constantly irrespective of the liquid pressure supplied via line 21.
  • the amount of carbonated water dispensed can be determined extremely precisely by appropriate time control.
  • the force of the Feber 26 can be varied by changing its preload via an adjusting screw 32.
  • a temperature expansion compensation rod 33 is integrated, on which a sleeve 34 is placed.
  • the return spring 26 is supported against this sleeve 34, that is to say indirectly with respect to the valve housing.

Claims (8)

1. Valve de distribution pour liquides gazéifiés se trouvant sous pression dans une cuve (4) d'un dispositif de mélange pour boissons, comprenant une valve de débit/arrêt (14) commandée par un mécanisme à minuterie et une valve de régulation de débit (15) assurant un débit constant indépendamment de la pression du liquide amené, la valve de régulation du débit (15) dépendante de la pression comportant un compartiment muni d'un piston (25) qui est déplaçable sous l'action d'une force de rappel et qui divise le compartiment en deux zones partielles (24, 28) entre lesquelles est disposé un tronçon d'étranglement (27), la première zone partielle (24) du compartiment à piston, dans le sens de laquelle agit la force de rappel, comportant une ouverture d'entrée constante (23) faisant office de tronçon d'étranglement et la seconde zone partielle du compartiment à piston comportant un étranglement de sortie 29 de section transversale pouvant être modifiée par la position du piston, et cette valve de régulation de débit (15) étant montée juste derrière la valve de débit/arrêt (14) dans le sens du débit.
2. Valve de distribution selon la revendication 1, caractérisée. par le fait que l'étranglement de sortie de l'écoulement est une multitude de perçages (29) pratiqués sur la périphérie du compartiment à piston.
3. Valve de distribution selon l'une des revendications 1 ou 2, caractérisée par le fait que la force de rappel est fournie par un élément à ressort (26).
4. Valve de distribution selon l'une des revendications 1 à 3, caractérisée par le fait que la force de rappel agissant sur le piston (26) est réglable.
5. Valve de distribution selon la revendication 4, caractérisée par le fait que pour modifier la force de rappel on prévoit une vis de réglage (32) agissant sur un élément à ressort (26).
6. Valve de distribution selon l'une des revendications 1 à 5, caractérisée par le fait que la force de rappel, agissant à l'encontre de la pression d'amenée du fluide en circulation, pour le piston de commande (25), est guidé par un barreau de compensation de température (33).
7. Valve de distribution selon la revendication 6, caractérisée par le fait que le barreau de compensation de la température (33) est intégré à la vis de réglage (32).
8. Valve de distribution selon l'une des revendications 1 à 7, caractérisée par le fait que le corps de la valve est en matière plastique et le piston de commande (25) en métal.
EP85108643A 1984-08-22 1985-07-11 Dispositif de mélange de boissons Expired - Lifetime EP0172385B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85108643T ATE49137T1 (de) 1984-08-22 1985-07-11 Anordnung zum mischen von getraenken.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3430901 1984-08-22
DE19843430953 DE3430953A1 (de) 1984-08-22 1984-08-22 Anordnung zum mischen von getraenken
DE19843430901 DE3430901A1 (de) 1984-08-22 1984-08-22 Durchfuehrungs-regelventil
DE3430953 1984-08-22

Publications (3)

Publication Number Publication Date
EP0172385A2 EP0172385A2 (fr) 1986-02-26
EP0172385A3 EP0172385A3 (en) 1987-04-01
EP0172385B1 true EP0172385B1 (fr) 1990-01-03

Family

ID=25824078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108643A Expired - Lifetime EP0172385B1 (fr) 1984-08-22 1985-07-11 Dispositif de mélange de boissons

Country Status (7)

Country Link
US (1) US4665809A (fr)
EP (1) EP0172385B1 (fr)
KR (1) KR900000265B1 (fr)
AU (1) AU583528B2 (fr)
CA (1) CA1295297C (fr)
DE (1) DE3575084D1 (fr)
ES (1) ES8700634A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1302366C (fr) * 1986-10-29 1992-06-02 Kenneth G. Smazik Distributrice de jus reconstitue
CA2049080C (fr) * 1990-08-16 1996-07-09 Alfred Raab Dispositif de regulation de debit et d'ouverture de conduite de recircualtion pour liquides sous pression
US7077290B2 (en) * 2002-05-17 2006-07-18 Pepsico, Inc. Beverage forming and dispensing system
US7717294B2 (en) * 2005-06-20 2010-05-18 South-Tek Systems Beverage dispensing gas consumption detection with alarm and backup operation
US11524886B2 (en) * 2021-02-05 2022-12-13 Cana Technology, Inc. Ingredients cartridge for a beverage mixture dispensing system
EP4348189A1 (fr) * 2021-05-26 2024-04-10 Eugster/Frismag AG Dispositif de dosage pour régler et/ou commander un flux de gaz, procédé de réglage et/ou de commande d'un flux de gaz, et ensemble appareil ménager

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618217A (en) * 1949-03-10 1952-11-18 Robert J Minder Sirup and water dispenser
US2813541A (en) * 1954-11-12 1957-11-19 Controls Co Of America Fluid flow control means
US2838072A (en) * 1955-02-07 1958-06-10 Sterer Engineering & Mfg Compa Temperature compensated device for absorbing transient pressure fluctuations
US2962046A (en) * 1958-09-05 1960-11-29 Gen Electric Flow control device
US3340899A (en) * 1962-08-09 1967-09-12 Vendo Co Temperature compensated flow control valve
JPS485293Y1 (fr) * 1966-08-06 1973-02-10
DE1814695B1 (de) * 1968-12-14 1970-07-02 Tornado Gmbh Zapfhahn fuer kohlensaeurehaltige Mischgetraenke
DE2346350A1 (de) * 1973-09-14 1975-03-27 Holstein & Kappert Maschf Vorrichtung zum regeln des durchflusses von fluessigkeiten
NL181189C (nl) * 1975-03-21 Dagma Gmbh & Co Inrichting voor het bereiden van een koolzuurhoudende drank.
US4121507A (en) * 1976-03-17 1978-10-24 Dagma Gmbh & Co. Deutsche Automaten-Und Getranke Maschinen Apparatus for mixing a carbonated beverage
JPS5830568A (ja) * 1981-08-19 1983-02-23 Oval Eng Co Ltd 定流量弁
JPS5884031A (ja) * 1981-11-12 1983-05-20 ザ・コカ−コ−ラ・カンパニ− 後混合炭酸飲料分配装置
DE3147769A1 (de) * 1981-12-02 1983-06-16 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Absperrventil fuer unter druck stehende karbonisierte fluessigkeiten in getraenkeautomaten o.dgl.

Also Published As

Publication number Publication date
EP0172385A2 (fr) 1986-02-26
ES546306A0 (es) 1986-10-16
EP0172385A3 (en) 1987-04-01
CA1295297C (fr) 1992-02-04
KR860002067A (ko) 1986-03-26
DE3575084D1 (de) 1990-02-08
AU4650685A (en) 1986-02-27
ES8700634A1 (es) 1986-10-16
KR900000265B1 (ko) 1990-01-24
AU583528B2 (en) 1989-05-04
US4665809A (en) 1987-05-19

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