EP0433719A1 - Mécanisme d'entraînement dans un appareil distributeur de liquide, en particulier dans un automate à boissons - Google Patents

Mécanisme d'entraînement dans un appareil distributeur de liquide, en particulier dans un automate à boissons Download PDF

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Publication number
EP0433719A1
EP0433719A1 EP90122737A EP90122737A EP0433719A1 EP 0433719 A1 EP0433719 A1 EP 0433719A1 EP 90122737 A EP90122737 A EP 90122737A EP 90122737 A EP90122737 A EP 90122737A EP 0433719 A1 EP0433719 A1 EP 0433719A1
Authority
EP
European Patent Office
Prior art keywords
piston pump
drive
cam
shaft
liquid
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.)
Granted
Application number
EP90122737A
Other languages
German (de)
English (en)
Other versions
EP0433719B1 (fr
Inventor
Karlheinz Dipl.-Ing. Färber (FH)
Klaus Dipl.-Ing. Erdmann (Fh)
Willi Dipl.-Ing. Niess (Fh)
Willi Dipl.-Ing. Lindenmaier (Fh)
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
Application filed by Coca Cola Co filed Critical Coca Cola Co
Priority to AT90122737T priority Critical patent/ATE100777T1/de
Publication of EP0433719A1 publication Critical patent/EP0433719A1/fr
Application granted granted Critical
Publication of EP0433719B1 publication Critical patent/EP0433719B1/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
    • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages 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
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/10—Pump mechanism
    • B67D1/101—Pump mechanism of the piston-cylinder type
    • B67D1/102—Pump mechanism of the piston-cylinder type for one liquid component only

Definitions

  • the present invention relates to a device in a liquid-dispensing device, in particular in a drinks machine for the quantity-determinable and controllable dispensing of drink concentrates, for driving a piston pump system, by means of which the liquid, in particular drink concentrates, for the purpose of mixing with a basic liquid a reservoir can be forcibly conveyed to an output point.
  • Such a device is preferably suitable in beverage vending machines, with which carbonated water is mixed with beverage concentrates to form a soft drink, to provide the beverage concentrates in a quantity-controlled manner from a storage container for the mixing process: in this environment, it is particularly important to use the simplest possible means besides the exact metering of the carbonated water also meter the beverage concentrates to be dispensed in order to achieve the desired mixing ratio for the beverage to be provided with the required accuracy. This mixing ratio should reach the standard of the comparable finished drinks that are put on the market in bottles.
  • Dosing chamber dispensers for dispensing beverage concentrates have become known for use in vending machines (DE-OS 25 44 671, DE-OS 34 09 124, DE-OS 36 22 745). In their operating position, these metering chamber dispensers are arranged on a storage container with the dispensing opening directed downwards. By means of a magnet system, a control slide within this metering chamber dispenser is raised from a lower position, in which the outlet-side flow opening is closed, to an upper position, in which the inlet-side flow opening is closed, so that the metering chamber contents, which are released by gravity the reservoir was filled, can also flow out of the metering chamber dispenser by gravity. The respective dispensing volume of the beverage concentrate is compensated for by a counter-flowing air volume. With metering chamber dispensing devices of this type, relatively low-volume dispensing quantities can be provided with low control forces to be used - conveying forces are not required.
  • the known metering chamber dispensing devices can be reduced in size extremely problematically due to the technical circumstances with regard to their size and thus the dispensing volume.
  • the object of the present invention is now to provide a device for driving a piston pump system, in addition to the functional, flawless operation of the drive system with the piston pump system, the possibility of a simple separation and merging of these two systems should be given.
  • a device which meets these requirements is characterized according to the invention in that a swivel lever, which is pivotally mounted in the device housing and is influenced by a motor-driven cam drive, has a receiving area for a plug-in coupling with the drive element of the piston pump system in the vicinity of a receiving cutout in the device housing for insertably receiving the piston pump housing .
  • the receiving areas which are preferably oriented toward the front of the device, in the device housing for the plug-in receptacle for the piston pump housing and on the swivel lever for the pluggable coupling with the drive element of the piston pump system allow the piston pump systems not to be an integral part of the drive, but rather to be an integral part of a storage container.
  • This is particularly useful and important because, for example, different beverage concentrates are to be mixed with a basic liquid, for example carbonated water, in a different, specific ratio depending on the type. With a uniform supply of basic liquid quantities, this different mixing ratio can be achieved by different dispensing volumes for the beverage concentrate.
  • the dispensing volume is to be assigned directly by means of piston pump systems designed according to the beverage concentrate stored in this storage container.
  • the close merging of the mounting cutout in the housing for insertable mounting of the piston housing on the one hand and the mounting area of the swivel lever for pluggable coupling with the piston system ensures that on the one hand the drive forces to be applied and transmitted to the piston pump system are quickly absorbed in the device housing. This serves for the functional reliability and security of the entire output system, especially since only a small amount per work cycle Working strokes are appropriate. Handling, in particular when inserting the piston pump system, is also simplified by this measure. Tolerance problems are also better mastered.
  • the two cam drives for driving the two piston pump systems are assigned to a common shaft which can be driven by a rerversive electric motor via a one-way clutch, the two one-way clutches in relation to the drive directions of the shaft act in opposite directions. It makes sense to mount the two cam drives on hollow shafts in a row, directly on the shaft that can be driven by the reversing electric motor. Sling belt clutches or wrap spring clutches are advantageously used as one-way clutches.
  • This particular embodiment of the invention provides a relatively simple drive system that can be controlled in terms of control for the optional dispensing of the liquids from one of the two storage containers.
  • the control for the conveying process can only be carried out by electrical or electronic control measures for the drive motor.
  • a liquid is dispensed by one of the piston pump systems for a desired dispensing time exclusively by the motor activity, ie electronically or electrically controllable in terms of control technology.
  • the selection of which of the two piston pump systems dispenses liquid from the storage container depends on the direction of rotation of the reversible electric motor, ie can also be controlled by electronic or electrical measures.
  • the arrangement according to the invention is characterized in that a control cam for controlling the electric motor is additionally arranged, via which the circuit for the electric motor is controlled in such a way that the cam drive and thus the piston pump system influenced by it are each in a defined starting position is returned.
  • a control cam on the drive shaft for controlling an output valve for a further liquid to be mixed with the liquid conveyed by the piston pump system.
  • this additional liquid is usually carbonated water, which is stored under pressure in a carbonator that is cooled as required.
  • this further liquid To dispense this further liquid, all that is required is to open a valve, so that this liquid can be dispensed in a known manner, for example in a known manner, and fed to the mixing area for mixing with the beverage concentrate dispensed in each case. It is possible to influence this output valve purely mechanically by a control cam or else to assign a control contact to the control cam which controls the excitation current for an electromagnet actuating the output valve. Through these measures, to arrange a control cam for controlling a dispensing valve for a further liquid to be mixed with the liquid conveyed by the piston pump system, the dispensing of this further liquid is clocked.
  • This measure of clocking the dispensing of the additional liquid is particularly advantageous for the dispensing of small amounts of finished beverages, since a defined amount of each of the two liquids in relation to one another is guaranteed for each working cycle. Any duplication of these output cycles has no influence on the mixing ratio.
  • beverage concentrates are stored in storage containers 20, which are connected via a connection area 2 to a piston pump system, through which the stored beverage concentrate is dispensed and metered in quantity.
  • This dispensing device is a piston pump system and consists of a housing 3, which is held in the dispensing area of an automatic beverage dispenser in the device housing 40 and can be inserted from the front.
  • the housing 3 has a groove 4, in which a shoulder 5 of the device housing 40 engages in a horseshoe shape.
  • a delivery plunger 6 is axially displaceable between limit stops. These stops determine the delivery stroke, which determines the delivery volume for the beverage concentrate to be dispensed per work cycle.
  • An inflow opening 7 in the housing 3, which extends towards the storage container 20, which is only indicated, and a central passage 8 in the delivery piston 3 are concentrically aligned with one another, so that a shaft of a control piston 9 can be guided axially displaceably therein.
  • the axial movement between control piston 9 and delivery piston 6 is in turn limited by stops.
  • the control piston 9 is driven via a lever 10 which, with its one lever end 11, engages in a groove 12 in the groove 12 of the control piston 9.
  • the lever 10 is mounted about a fixedly arranged axis 13 in the device housing and is driven by an eccentric drive 14, which is gripped by the second lever arm 15 of the lever 10, by rotation in the direction of the arrow.
  • the working piston 3 is also moved downward via the stop region 16, so that beverage concentrate is sucked out of the reservoir 20 into the piston pump system 1 via the inflow opening 7.
  • the upper shaft of the control piston 9 initially reaches the area of the inflow opening 7 and closes it.
  • the stop regions 17 interact between the control piston 9 and the delivery piston 6, so that the delivery piston 6 is now moved upward with the control piston 9.
  • the originally sucked-in beverage concentrate volume is conveyed via side channels 18 in the control piston 9 to a central delivery channel 19 in the control piston 9.
  • the beverage concentrate reaches an area in which it is mixed with carbonated water, which is also supplied, to form a beverage.
  • Any number of work cycles can be directly strung together and counted so that an extremely precise determination and assignment of the output quantity of the individual work cycles as well as the totality of the work cycles can be carried out.
  • FIG. 2 shows a drive for two piston pump systems 1 according to FIG. 1 in a simplified and schematic representation.
  • An electric motor 21, namely a reversible electric motor, is in drive connection with a drive shaft 23 via a gear transmission 22.
  • the electric motor 21 can rotate in both directions of rotation and thus also drive the drive shaft 23 in both directions of rotation.
  • This drive shaft 23 is rotatably guided through two hollow shafts 24 and 25, which in turn are rotatably mounted in the device housing 40 and each have an eccentric 14 or Wear 14 '.
  • the shaft 23 carries a wrap spring band 27 on a flange region 26, which extends over the hollow shafts 24 and 25, respectively.
  • This wrap spring band 27 acts between the flange region 26 of the drive shaft 23, and the two hollow shafts 24 and 25 each as a one-way clutch, the connection between the flange region 26 and one of the two hollow shafts 24 and 25 as well as the decoupling of the respective other hollow shaft from the flange region 26 is dependent on the winding direction of the loop belt coupling 27.
  • either the hollow shaft 24 is driven with the eccentric 14 and above the drive lever 10, while the drive shaft 25 is disengaged or the hollow shaft 25 with its eccentric 14 'driven while the hollow shaft 24 is decoupled.
  • the choice of the piston pump system to be driven for the optional dispensing of one of the two stored beverage concentrates can thus be carried out via the electronically or electrically controllable direction of rotation of the reverse electric motor.
  • control cams 28, 29 and 30, 31 are fixedly arranged on the hollow shaft 24. These control cams act on switching contact devices 32, 33 and 34, 35.
  • the control cams 28 and 30 act via their switching contact devices 32 and 34 on the control circuit for the reversing electric motor 21, so that it rotates further after an operating phase until the each driven hollow shaft 24 or 25 with its eccentric 14 or 14 'is returned to a defining rest position. It is thus ensured that entire drive cycles act on the respective piston pump system 1.
  • the control cams 29 and 31 act in terms of control technology via the switch contact devices 33 and 35 assigned to them on an electromagnet system, not shown, which actuates an output valve for the carbonated water to be added to the beverage concentrates.
  • this carbonated water is stored under increased pressure and is usually cooled in a so-called basket container and, when the dispensing valve is opened - regulated by a flow regulator - can be dispensed through the excess pressure in the carbonator and fed to the mixing area, into which the respective beverage concentrate is dispensed.
  • the working cycle is thus output to a certain amount of beverage concentrate, which is determined by the piston pump system 1, and a certain amount of carbonated water, quantified by the flow rate and the time achievable by the control cam contour.
  • control cams 29 and 31 act purely mechanically on the dispensing valve for the carbonized water.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Apparatus For Making Beverages (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Reciprocating Pumps (AREA)
EP90122737A 1989-12-11 1990-11-28 Mécanisme d'entraînement dans un appareil distributeur de liquide, en particulier dans un automate à boissons Expired - Lifetime EP0433719B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90122737T ATE100777T1 (de) 1989-12-11 1990-11-28 Antriebsvorrichtung in einem fluessigkeit spendenden geraet, insbesondere in einem getraenkeautomaten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3940876 1989-12-11
DE3940876A DE3940876A1 (de) 1989-12-11 1989-12-11 Antriebsvorrichtung in einem fluessigkeitsspendenden geraet, insbesondere in einem getraenkeautomaten

Publications (2)

Publication Number Publication Date
EP0433719A1 true EP0433719A1 (fr) 1991-06-26
EP0433719B1 EP0433719B1 (fr) 1994-01-26

Family

ID=6395241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122737A Expired - Lifetime EP0433719B1 (fr) 1989-12-11 1990-11-28 Mécanisme d'entraînement dans un appareil distributeur de liquide, en particulier dans un automate à boissons

Country Status (11)

Country Link
US (1) US5088625A (fr)
EP (1) EP0433719B1 (fr)
JP (1) JPH046082A (fr)
KR (1) KR910013012A (fr)
AT (1) ATE100777T1 (fr)
AU (1) AU651953B2 (fr)
CA (1) CA2032008C (fr)
DE (2) DE3940876A1 (fr)
DK (1) DK0433719T3 (fr)
ES (1) ES2048944T3 (fr)
ZA (1) ZA909621B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633346A (en) * 1992-06-19 1997-05-27 Takara Shuzo Co., Ltd. Process for systhesizing cyclic peptides
EP2829649A4 (fr) * 2012-03-22 2016-02-17 Wuxi Little Swan Co Ltd Dispositif de dosage pouvant s'adapter aux variations de viscosité de détergent et son procédé de contrôle

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137324C1 (fr) * 1991-11-13 1993-02-04 Cis Elektrogeraete Ag, Hinwil, Ch
US5540498A (en) * 1994-07-29 1996-07-30 Bio-Rad Laboratories, Inc. Cam-operated gradient former
US5485925A (en) * 1994-09-21 1996-01-23 Bulk Handling Systems, Inc. System and method for separating recycled debris
DE19715306A1 (de) * 1997-04-11 1998-10-15 Rammacher Hans Dieter Vorrichtung zum Aufbewahren und Abgeben von Flüssigkeiten od.dgl., insbesondere von Getränken
US6708741B1 (en) 2000-08-24 2004-03-23 Ocean Spray Cranberries, Inc. Beverage dispenser
US6557729B2 (en) 2001-02-20 2003-05-06 Sloan Valve Company Soap dispensing system with single soap pump and two unpressurized soap containers
DE102004027762B3 (de) * 2004-06-08 2005-12-01 Cmb Schankanlagen Gmbh Zapfhahn für Getränke, insbesondere Biere, mit einer Ausflusstüllenbelüftung
DE102004027764B3 (de) * 2004-06-08 2005-12-01 Cmb Schankanlagen Gmbh Zapfhahn für Getränke, insbesondere Biere, mit Schaumerzeugung
US7621426B2 (en) * 2004-12-15 2009-11-24 Joseph Kanfer Electronically keyed dispensing systems and related methods utilizing near field frequency response
GB2447678A (en) * 2007-03-21 2008-09-24 Dyson Technology Ltd Dispensing ingredients from hoppers
GB2453727A (en) * 2007-10-16 2009-04-22 Dyson Technology Ltd Cube shaped domestic appliances
GB2453731A (en) * 2007-10-16 2009-04-22 Dyson Technology Ltd Domestic equipment with a juxtaposed plurality of appliances
JP5116461B2 (ja) * 2007-12-28 2013-01-09 ホシザキ電機株式会社 飲料ディスペンサ
US8768524B2 (en) 2010-06-04 2014-07-01 Pepsico, Inc. System and method for rapid reconfiguration of post-mix beverage dispenser
DE102010043886A1 (de) * 2010-11-15 2012-05-16 Continental Teves Ag & Co. Ohg Kolbenpumpe
JP6025338B2 (ja) 2012-02-08 2016-11-16 株式会社フジシールインターナショナル 製袋機
US9027790B2 (en) * 2012-10-19 2015-05-12 Gojo Industries, Inc. Dispensers for diluting a concentrated liquid and dispensing the diluted concentrate

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US2887249A (en) * 1956-09-24 1959-05-19 Intercontinental Mfg Company I Dispensing device to deliver single measured volume
EP0266201A1 (fr) * 1986-10-29 1988-05-04 The Coca-Cola Company Système de mélange et de distribution de jus

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CH531152A (it) * 1970-10-15 1972-11-30 Meccaniche Cosmec Di Pighin E Macchina per la produzione istantanea di gelati ad uno o più sapori
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US4856676A (en) * 1987-09-03 1989-08-15 Jet Spray Corp. Post mix dispenser

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887249A (en) * 1956-09-24 1959-05-19 Intercontinental Mfg Company I Dispensing device to deliver single measured volume
EP0266201A1 (fr) * 1986-10-29 1988-05-04 The Coca-Cola Company Système de mélange et de distribution de jus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633346A (en) * 1992-06-19 1997-05-27 Takara Shuzo Co., Ltd. Process for systhesizing cyclic peptides
EP2829649A4 (fr) * 2012-03-22 2016-02-17 Wuxi Little Swan Co Ltd Dispositif de dosage pouvant s'adapter aux variations de viscosité de détergent et son procédé de contrôle

Also Published As

Publication number Publication date
ZA909621B (en) 1991-09-25
US5088625A (en) 1992-02-18
KR910013012A (ko) 1991-08-08
CA2032008C (fr) 1995-01-24
DK0433719T3 (da) 1994-06-06
AU651953B2 (en) 1994-08-11
ES2048944T3 (es) 1994-04-01
DE3940876A1 (de) 1991-06-13
JPH046082A (ja) 1992-01-10
ATE100777T1 (de) 1994-02-15
AU6797190A (en) 1991-06-13
EP0433719B1 (fr) 1994-01-26
DE59004418D1 (de) 1994-03-10

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