[특허]Apparatus for preparing a foamed beverage suitable for consumption

Sara Lee/DE N.V.

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특허 상세정보

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Apparatus for preparing a foamed beverage suitable for consumption

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A23F-005/00
미국특허분류(USC)	099/323.1; 099/323.3
출원번호	US-0480267 (2002-06-10)
등록번호	US-7350457 (2008-04-01)
우선권정보	NL-1018248(2001-06-08)
국제출원번호	PCT/NL02/000378 (2002-06-10)
§371/§102 date	20040730 (20040730)
국제공개번호	WO02/100224 (2002-12-19)
발명자 / 주소	Wessels,Hendrikus Christinus M. Rusche,Emil Herman
출원인 / 주소	Sara Lee/DE N.V.
대리인 / 주소	Altera Law Group, LLP
인용정보	피인용 횟수 : 5 인용 특허 : 6

초록
▼

The apparatus for preparing a beverage with a foam layer suitable for consumption is provided with a mixing chamber, supply means for supplying a liquid, such as water or steam, to the mixing chamber and first dosing means for dosed supply of a concentrate to be mixed with the liquid, such as a coffee concentrate, to the mixing chamber for mixing the concentrate with the liquid in the mixing chamber while foam is formed for obtaining the foamed beverage suitable for consumption. The mixing chamber is designed as a whirl chamber while the supply means supply the liquid to the whirl chamber in such a manner that in the whirl chamber a whirl is formed of the supplied fluid. The supply means are provided with a second dosing device for dosed supply of the liquid to the whirl chamber and the apparatus is further provided with a control device for controlling the first and second dosing device for preparing a predetermined amount of beverage.

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청구항
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The invention claimed is: 1. An apparatus for preparing from a concentrate, a foamed beverage suitable for consumption comprising a mixing chamber, a liquid supply comprising a liquid flow path for supplying a liquid under pressure to the mixing chamber, and first dosing device supplying, in a dosed manner, the concentrate to be mixed with the liquid to the mixing chamber for mixing the liquid with the concentrate in the mixing chamber, the apparatus being further provided with air supply supplying air to the mixing chamber for obtaining the beverage having a foam layer, wherein the mixing chamber is configured as a whirl chamber, wherein the liquid supply is configured to supply the liquid to the whirl chamber such that a whirl arises of the supplied liquid and the concentrate, the liquid supply further including a second dosing device for supplying, in a dosed manner, the liquid to the whirl chamber, and a nozzle included in the liquid flow path for generating a jet of the liquid which, in use, is spouted into the whirl chamber, the apparatus being further provided with a control device for controlling the first and second dosing devices for preparing a predetermined amount of the beverage with a foam layer and further including an air inlet which is included outside the whirl chamber downstream of the nozzle in the liquid flow path so that the air in the liquid flow path is drawn in exclusively by the liquid jet into the liquid flow path and independently of the concentrate. 2. An apparatus according to claim 1, characterized in that the nozzle is located at a distance from the whirl chamber. 3. An apparatus according to claim 1, characterized in that the size of a flow-through surface of the liquid flow path downstream of the nozzle increases. 4. An apparatus according to claim 1, characterized in that downstream of the nozzle, the liquid flow path slopes downwards. 5. An apparatus according to claim 1, characterized in that the apparatus is provided with a reservoir which is filled with the concentrate. 6. An apparatus according to claim 1, characterized in that the apparatus is provided with an inlet and/or a reservoir which is filled with the liquid for supply of the liquid to the second dosing device. 7. An apparatus according to claim 1, characterized in that the air supply means are provided with an aeration valve via which, with the aeration valve in an opened position, the air can be drawn in. 8. An apparatus according to claim 1, characterized in that the second dosing device is provided with means such as a pump for supplying the liquid to the whirl chamber under pressure. 9. An apparatus according to claim 1, characterized in that the apparatus is arranged such that, in use, the liquid is supplied to the whirl chamber in a direction deviating from the vertical. 10. An apparatus according to claim 9, characterized in that, in use, the liquid is supplied to the whirl chamber in an at least virtually horizontally directed direction. 11. An apparatus according to claim 1, characterized in that the whirl chamber in downward direction at least partly tapers. 12. An apparatus according to claim 1, characterized in that the whirl chamber is designed, at least substantially, rotation-symmetrically about a vertical axis. 13. An apparatus according to claim 12, characterized in that the whirl chamber is arranged such that with respect to the vertical axis, the liquid is tangentially supplied to the whirl chamber. 14. An apparatus according to claim 1, characterized in that the whirl chamber, at its upper side, is provided with a supply opening for supplying the concentrate to the whirl chamber. 15. An apparatus according to claim 14, characterized in that the first dosing device is located above the whirl chamber. 16. An apparatus according to claim 15, characterized in that the first dosing device dispenses an amount of concentrate while the amount of concentrate is not under pressure and moves towards the whirl chamber under the influence of gravity. 17. An apparatus according to claim 1, characterized in that the whirl chamber tapers in downward direction from a position which is located higher than a position in which the liquid is supplied to the whirl chamber. 18. An apparatus according to claim 1, characterized in that an upstanding inner wall of the whirl chamber is provided with an opening for supplying the liquid to the whirl chamber. 19. An apparatus according to claim 1, characterized in that the whirl chamber is further provided with an outflow opening for discharging the beverage from the whirl chamber. 20. An apparatus according to claim 19, characterized in that the outflow opening is located at an underside of the whirl chamber. 21. An apparatus according to claim 11, characterized in that an upstanding inner wall of the tapering part includes and angle of 5-30 degrees with the vertical. 22. An apparatus according to claim 21, characterized in that the angle included with the vertical is equal to 12-18 degrees. 23. An apparatus according to claim 22, characterized in that the included angle is approximately equal to 15 degrees. 24. An apparatus according to claim 19, characterized in that the outflow opening is provided with a grid through which the beverage flows while leaving the whirl chamber, for damping the whirl in the beverage flowing out of the whirl chamber through the outflow opening. 25. An apparatus according to claim 19, characterized in that the outflow opening has a smallest diameter of 2-10 mm. 26. An apparatus according to claim 1, characterized in that the apparatus is further provided with a heating unit for heating the liquid which is supplied to the whirl chamber. 27. An apparatus according to claim 1, characterized in that the control device for preparing the beverage activates the first and second dosing devices for supplying the concentrate and the liquid to the whirl chamber whereupon the control device deactivates the first dosing device sooner than the second dosing device for rinsing the whirl chamber with the liquid. 28. An apparatus according to claim 7, characterized in that the control device closes the aeration valve after the first dosing device has been deactivated and before the second dosing device is deactivated. 29. An apparatus according to claim 1, characterized in that a smallest flow-through surface of the nozzle is approximately equal to 2-3 square millimeters. 30. An apparatus according to claim 1, characterized in that the control device activates the second dosing device for rinsing the whirl chamber. 31. An apparatus for preparing, a foamed beverage suitable for consumption comprising a) a mixing chamber, a liquid supply comprising a liquid flow path for supplying a liquid under pressure to the mixing chamber, and b) first dosing device supplying, in a dosed manner, the supply to be mixed with the liquid to the mixing chamber for mixing the liquid with the supply in the mixing chamber, the apparatus being further provided with air source capable of supplying air to the mixing chamber for obtaining the beverage with a foam layer, wherein the mixing chamber is configured as a whirl chamber, wherein the liquid supply is configured to supply the liquid to the whirl chamber such that a whirl arises of the supplied liquid, c) a second dosing device for supplying, in a dosed manner, the liquid to the whirl chamber, and a nozzle included in the liquid flow path for generating a jet of the liquid configured to be spouted into the whirl chamber, the apparatus being further provided with a control capable of controlling the first and second dosing devices to thereby prepare a predetermined amount of the beverage with a foam layer and d) an air inlet which is included outside the whirl chamber downstream of the nozzle in the liquid flow path so that the air in the liquid flow path is drawn in exclusively by the liquid jet into the liquid flow path and independently of the supply.

이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 피인용횟수: 5

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Apparatus for preparing a foamed beverage suitable for consumption

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Apparatus for preparing a foamed beverage suitable for consumption

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