EP2138448A1 - Fass zum Abfüllen eines kohlensäurehältigen Getränks mit erweitertem Ausflussrohr - Google Patents

Fass zum Abfüllen eines kohlensäurehältigen Getränks mit erweitertem Ausflussrohr Download PDF

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Publication number
EP2138448A1
EP2138448A1 EP08158932A EP08158932A EP2138448A1 EP 2138448 A1 EP2138448 A1 EP 2138448A1 EP 08158932 A EP08158932 A EP 08158932A EP 08158932 A EP08158932 A EP 08158932A EP 2138448 A1 EP2138448 A1 EP 2138448A1
Authority
EP
European Patent Office
Prior art keywords
keg
beverage
tube
dispensing
opening
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.)
Ceased
Application number
EP08158932A
Other languages
English (en)
French (fr)
Inventor
designation of the inventor has not yet been filed The
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to EP08158932A priority Critical patent/EP2138448A1/de
Priority to PCT/IB2009/052596 priority patent/WO2009156914A1/en
Publication of EP2138448A1 publication Critical patent/EP2138448A1/de
Ceased 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
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D1/0802—Dip tubes
    • 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
    • B67D1/127—Froth control
    • B67D1/1272—Froth control preventing froth
    • 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
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D2001/0822—Pressurised rigid containers, e.g. kegs, figals
    • B67D2001/0824—Pressurised rigid containers, e.g. kegs, figals with dip tubes
    • 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
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D2001/0822—Pressurised rigid containers, e.g. kegs, figals
    • B67D2001/0825—Pressurised rigid containers, e.g. kegs, figals details of dip tube

Definitions

  • the invention is related to a keg for containing a carbonated beverage having an opening at its upper side for filling the keg and for dispensing the beverage out of the keg, which opening is provided with outlet means for allowing the outflow of the beverage, whereby inside the keg a tube is present for guiding the beverage to be dispensed from the lower part of the keg to said outlet means.
  • Such a keg is disclosed in WO-A-2004/050539 .
  • This publication describes a keg for containing beer to be used in a domestic beer dispensing device, or for use without such a domestic beer dispensing device.
  • the beer is stored in a flexible plastic bag, and the beer is driven out of the keg by pumping air in the space between the outside of the flexible bag and the inner wall of the keg.
  • the keg is provided with a valve assembly for allowing the outflow of the beer from the keg to a dispensing adapter.
  • the dispensing adapter comprises a dispensing tube connected with the valve assembly of the keg, and a tap for opening and closing the dispensing tube.
  • the device is provided with cooling means for cooling the beer and with pumping means for pumping pressurized air into the keg in order to drive the beer out of the keg.
  • the dispensing adapter is provided with pumping means that can be operated by hand in order to pump air into the keg.
  • the keg may have any appropriate shape, but in general the keg is a substantial rotationally symmetric vessel around a vertical axis, whereby the lower side and the upper side of the vessel are substantially flat.
  • the material of the keg can be metal or plastic, or a combination of these two materials.
  • the keg can be used in a domestic beverage dispensing device or can be used for dispensing beverage in a professional device in a pub or so, or can be used for any other private or public purpose.
  • the carbonated beverage is beer.
  • the beverage can be stored in the keg in a flexible bag or can be stored in the keg without such bag.
  • the dispensing flow is controlled by a tap outside the keg, which tap can be part of the beverage dispensing device comprising the keg.
  • a relative large pressure drop in the beverage occurs.
  • Such sudden pressure drop in the beverage has a negative influence on the dispensing characteristics of the beverage. It affects the controllability of the flow rate of the beverage in a negative way and it causes the creation of froth in an uncontrolled way.
  • An experienced operator may reduce such negative dispensing characteristics by controlling the tap in an appropriate way, but a less experienced operator will often have real problems.
  • the keg can be provided with an outflow restriction for restricting the beverage flow out of the keg.
  • the pressure drop over the such outflow restriction has negative effects on the beverage.
  • the object of the invention is a keg for containing a carbonated beverage, in particular beer, having an opening at its upper side comprising outlet means for allowing the outflow of the beverage, whereby inside the keg a tube is present for guiding the beverage to be dispensed from the lower part of the keg to said outlet means, whereby the dispensing characteristics of the beverage are improved.
  • the length of the tube inside the keg is at least two times the height of the keg.
  • there is a substantial pressure drop of the beverage which pressure drop is evenly distributed over the length of the tube.
  • the pressure drop over the dispensing tap can be minimized, so that negative dispensing characteristics can be avoided.
  • a very simple dispensing tap can be used, which tap, and the dispensing tube for guiding the beverage from the keg to the tap, can be made as a disposable part that can be delivered with the keg, so that it can be renewed when starting the use of the keg.
  • a cleaning operation of parts that has been contacted the beverage of a previous keg can be avoided.
  • the length of the tube is at least three times the height of the keg, so that a very gradual pressure drop of the beverage flowing through the tube is ensured.
  • a flexible bag for containing the beverage is present inside the keg as is described in WO-A-2004/050539 , whereby the extended tube is located inside the flexible bag.
  • the presence of a flexible bag may be preferred in order to avoid contact between the beverage and the gas for driving the beverage out of the keg.
  • the inner diameter of the tube is substantial equal over its length, being beneficial for a gradual decrease of the pressure of the beverage flowing through the tube.
  • the tube is a flexible tube.
  • the flexible tube can be made of flexible plastic, for example PE, and can readily be inserted into the keg through the opening at the upper side of the keg, whereby it can be connected with the outlet means of the keg. Thereby, the flexible tube will automatically arrive at an appropriate position, with its end near the bottom of the keg.
  • the tube is helically curved, whereby the tube can be located along the inner wall of the keg from the upper part of the keg to the lower part of the keg.
  • such tube having the shape of a coil can be used in a keg that will be collapsed by moving the upper wall towards the lower wall in order to drive out the beverage.
  • the invention is also related to a method of dispensing a beverage out of a keg having an opening at its upper side for filling the keg and for dispensing the beverage out of the keg, which opening is provided with outlet means for allowing the outflow of the beverage, whereby the beverage to be dispensed is guided from the lower part of the keg to said outlet means through a tube located inside the keg, which tube has a length of at least two times the height of the keg.
  • Figure 1 shows schematically a metal keg 1 containing beer.
  • the keg 1 has a substantial cylindrical shape and has a substantial flat upper wall 2 and lower wall 3.
  • the upper wall 2 is provided with a opening covered by a removable cover 4.
  • the keg 1 is represented with a transparent wall in order to show the flexible tube 5 inside the keg 1.
  • the lower end 6 of the flexible tube 5 is located near the lower wall 3 and the upper end 7 is connected to a valve (not shown) in the opening of the keg 1, being located under the cover 4.
  • the tube is helically curved in a coil along the substantial cylindrical wall 8 of the keg 1, so that its length can be made much larger than the height of the keg 1.
  • the height of the keg 1 is 0.3 meter
  • the length of the tube 5 is 1.5 meter.
  • the inner diameter of the flexible tube 5 is 2.5 mm.
  • the keg 1 can be placed in a domestic beer dispensing device comprising means for connecting the valve of the keg 1 to a beer dispensing tube of the dispensing device. Furthermore, the beer dispensing device comprises means for inserting pressurized gas, for example carbon dioxide, into the keg through the opening in the upper wall 2, whereby the beer is pressed through the tube 5 from the lower end 6 to the upper end 7, in order to drive the beer out of the keg 1 into said dispensing tube of the dispensing device.
  • pressurized gas for example carbon dioxide
  • the dimensions of the flexible tube 5 can be chosen in such manner that a convenient outflow of the beer is obtained when the dispensing tap is completely opened, i.e. whereby only minimal restrictions for the liquid flow are present outside the keg 1.
  • the dimensions (length and inner diameter) of the flexible tube 5 for different outflow rates (liters per minute) are shown in figure 2 , supposing that the pressure inside the keg 1 is 1.35 bar.
  • the length of the tube 5 is represented in meters along the horizontal axis, and the inner diameter of the tube 5 is represented in mm along the vertical axis of the graph.
  • the relation between the length of the tube 5 and its inner diameter is represented for three different outflow rates (0.5, 1 and 2 liters per minute).

Landscapes

  • Devices For Dispensing Beverages (AREA)
EP08158932A 2008-06-25 2008-06-25 Fass zum Abfüllen eines kohlensäurehältigen Getränks mit erweitertem Ausflussrohr Ceased EP2138448A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08158932A EP2138448A1 (de) 2008-06-25 2008-06-25 Fass zum Abfüllen eines kohlensäurehältigen Getränks mit erweitertem Ausflussrohr
PCT/IB2009/052596 WO2009156914A1 (en) 2008-06-25 2009-06-18 A keg for containing a carbonated beverage having an extended outflow tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08158932A EP2138448A1 (de) 2008-06-25 2008-06-25 Fass zum Abfüllen eines kohlensäurehältigen Getränks mit erweitertem Ausflussrohr

Publications (1)

Publication Number Publication Date
EP2138448A1 true EP2138448A1 (de) 2009-12-30

Family

ID=40297796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08158932A Ceased EP2138448A1 (de) 2008-06-25 2008-06-25 Fass zum Abfüllen eines kohlensäurehältigen Getränks mit erweitertem Ausflussrohr

Country Status (2)

Country Link
EP (1) EP2138448A1 (de)
WO (1) WO2009156914A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162842A (en) * 1937-02-09 1939-06-20 Oil Heating Devices Inc Beverage dispenser
DE1245783B (de) * 1965-12-01 1967-07-27 Paul Lanfer Stechrohr mit Zapfhahn zum Ausschenken von Fassbier
WO1997001490A1 (en) * 1995-06-27 1997-01-16 Todden Terry J Bottled water dispenser
WO2004050539A2 (en) 2002-11-29 2004-06-17 Interbrew S.A. Beer dispensing apparatus
US20080029543A1 (en) * 2006-04-07 2008-02-07 Martin Leufgen Beverage cooling and dispensing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE620218A (de) *
DE202006013534U1 (de) * 2006-09-04 2006-11-09 Afanassev, Sergei Aufsatz zum Eingießen von leicht schäumenden Flüssigkeiten

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162842A (en) * 1937-02-09 1939-06-20 Oil Heating Devices Inc Beverage dispenser
DE1245783B (de) * 1965-12-01 1967-07-27 Paul Lanfer Stechrohr mit Zapfhahn zum Ausschenken von Fassbier
WO1997001490A1 (en) * 1995-06-27 1997-01-16 Todden Terry J Bottled water dispenser
WO2004050539A2 (en) 2002-11-29 2004-06-17 Interbrew S.A. Beer dispensing apparatus
US20080029543A1 (en) * 2006-04-07 2008-02-07 Martin Leufgen Beverage cooling and dispensing device

Also Published As

Publication number Publication date
WO2009156914A1 (en) 2009-12-30

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