Milk-frothing apparatus, and coffee or espresso machine and automatic beverage vending machine having a milk-frothing apparatus of this kind
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01F-003/04
A47J-031/44
A23C-009/00
B01F-005/02
출원번호
US-0352388
(2012-08-16)
등록번호
US-9380908
(2016-07-05)
우선권정보
DE-20 2011 051 719 U (2011-10-21); CH-342/12 (2012-03-09)
국제출원번호
PCT/EP2012/066011
(2012-08-16)
§371/§102 date
20140618
(20140618)
국제공개번호
WO2013/056871
(2013-04-25)
발명자
/ 주소
Aeberhard, Bruno
Egli, Peter
Mosimann, Bruno
Lüssi, André
출원인 / 주소
SCHAERER AG
대리인 / 주소
Pearne & Gordon LLP
인용정보
피인용 횟수 :
2인용 특허 :
3
초록▼
The invention relates to a milk-frothing apparatus, in particular for a coffee or espresso machine, comprising a froth-generating unit (22) which is in the form of a disposable part, which is easy to replace, and has a mixing chamber (40), an outlet (39), which leads to the outside from the mixing c
The invention relates to a milk-frothing apparatus, in particular for a coffee or espresso machine, comprising a froth-generating unit (22) which is in the form of a disposable part, which is easy to replace, and has a mixing chamber (40), an outlet (39), which leads to the outside from the mixing chamber (40), for the generated milk froth, and first means (42) through which the froth-generating unit (22) is supplied with steam and air (53), and also second means (43) through which the froth-generating unit (22) is supplied with milk, wherein the froth-generating unit (22) can be connected to a holding means (30) in a detachable manner. The froth-generating unit (22) can be replaced in a simple and reliable manner while at the same time operating in a flexible manner by the first means comprising a first inlet (42) through which steam and air enter the froth-generating unit (22) together, by a combined steam/air nozzle (33), which projects outward and is connected to a steam generator and an air pump and through which steam and air are routed together, being provided on the holding means (30), and by the first inlet (42) and the steam/air nozzle (33) being designed and matched to one another such that they form a detachable hydraulic plug connection.
대표청구항▼
1. A milk-frothing apparatus, for a coffee or espresso machine, comprising a froth-generating unit which is in the form of a disposable part or recyclable part, which is easy to replace, and has a mixing chamber, an outlet, which leads to the outside from the mixing chamber, for the generated milk f
1. A milk-frothing apparatus, for a coffee or espresso machine, comprising a froth-generating unit which is in the form of a disposable part or recyclable part, which is easy to replace, and has a mixing chamber, an outlet, which leads to the outside from the mixing chamber, for the generated milk froth, and means for supplying steam and air through which the froth-generating unit is supplied with steam and air, and also means for supplying milk through which the froth-generating unit is supplied with milk, wherein the froth-generating unit can be connected to a holding means in a releasable manner, characterized in that the means for supplying steam and air comprise a first inlet through which steam and air enter the froth-generating unit together, in that a combined steam/air nozzle, which projects outward and is connected to a steam generator and an air pump and through which steam and air are routed together, is provided on the holding means, and in that the first inlet and the steam/air nozzle are designed and matched to one another such that they form a releasable hydraulic plug connection, characterized in that the first inlet is in the form of a first pipe connection piece which is integrally formed on the mixing chamber. 2. The milk-frothing apparatus as claimed in claim 1, characterized in that the hydraulic plug connection, which is formed from the first inlet and the steam/air nozzle, has a rotary locking means. 3. The milk-frothing apparatus as claimed in claim 2, characterized in that the hydraulic plug connection, which is formed from the first inlet and the steam/air nozzle, has latching means by means of which it can be releasably latched in the locked state. 4. The milk-frothing apparatus as claimed in claim 1, characterized in that the means for supplying milk comprises a second inlet which is in the form of a second pipe connection piece which projects radially from the first pipe connection piece. 5. The milk-frothing apparatus as claimed in claim 4, characterized in that a hose attachment onto which a milk hose is to be pushed is integrally formed on the second pipe connection piece. 6. The milk-frothing apparatus as claimed in claim 4, characterized in that the second pipe connection piece is part of a releasable latching apparatus. 7. The milk-frothing apparatus as claimed in claim 6, characterized in that the latching apparatus comprises an elastic latching arm which is attached to the holding means and can engage in a latching manner with the second pipe connection piece when the hydraulic plug connection, which is formed from the first inlet and the steam/air nozzle, is locked in a rotary manner. 8. The milk-frothing apparatus as claimed in claim 3, characterized in that electrical switching means are arranged on the holding means, said electrical switching means being operated when the hydraulic plug connection, which is formed from the first inlet and the steam/air nozzle, is releasably latched in the locked state. 9. The milk-frothing apparatus as claimed in claim 8, characterized in that an operating element for operating the electrical switching means is arranged on the froth-generating unit. 10. The milk-frothing apparatus as claimed in claim 8, characterized in that the electrical switching means comprise a microswitch. 11. The milk-frothing apparatus as claimed in claim 2, characterized in that the rotary locking means comprises a holding element which is attached to the holding means and behind which the froth-generating unit engages by way of an integrally formed rotary bolt. 12. The milk-frothing apparatus as claimed in claim 1, characterized in that the means for supplying milk comprises a milk hose for supplying the milk to the froth-generating unit, and in that the milk throughflow rate through the milk hose can be adjusted by a reduction nozzle which can be inserted into one end of the milk hose. 13. A coffee or espresso machine having a milk-frothing apparatus as claimed in claim 1. 14. An automatic beverage vending machine having a milk-frothing apparatus as claimed in claim 1. 15. The automatic beverage vending machine as claimed in claim 14, characterized in that the milk-frothing apparatus is integrated into an outlet module of the automatic beverage vending machine. 16. A milk-frothing apparatus, for a coffee or espresso machine, comprising a froth-generating unit which is in the form of a disposable part or recyclable part, which is easy to replace, and has a mixing chamber, an outlet, which leads to the outside from the mixing chamber, for the generated milk froth, and means for supplying steam and air through which the froth-generating unit is supplied with steam and air, and also means for supplying milk through which the froth-generating unit is supplied with milk, wherein the froth-generating unit can be connected to a holding means in a releasable manner, characterized in that the means for supplying steam and air comprise a first inlet through which steam and air enter the froth-generating unit together, in that a combined steam/air nozzle, which projects outward and is connected to a steam generator and an air pump and through which steam and air are routed together, is provided on the holding means, and in that the first inlet and the steam/air nozzle are designed and matched to one another such that they form a releasable hydraulic plug connection, characterized in that the froth-generating unit comprises a plastic injection-molded part which is produced in one piece and has the mixing chamber which is open at the top and is closed by a fitted cover. 17. A milk-frothing apparatus, for a coffee or espresso machine, comprising a froth-generating unit which is in the form of a disposable part or recyclable part, which is easy to replace, and has a mixing chamber, an outlet, which leads to the outside from the mixing chamber, for the generated milk froth, and means for supplying steam and air through which the froth-generating unit is supplied with steam and air, and also means for supplying milk through which the froth-generating unit is supplied with milk, wherein the froth-generating unit can be connected to a holding means in a releasable manner, characterized in that the means for supplying steam and air comprise a first inlet through which steam and air enter the froth-generating unit together, in that a combined steam/air nozzle, which projects outward and is connected to a steam generator and an air pump and through which steam and air are routed together, is provided on the holding means, and in that the first inlet and the steam/air nozzle are designed and matched to one another such that they form a releasable hydraulic plug connection, characterized in that means for rinsing the froth-generating unit are provided. 18. The milk-frothing apparatus as claimed in claim 17, characterized in that the means for rinsing the froth-generating unit comprise a rinse line for supplying a rinsing medium, said rinse line being connected to the steam/air nozzle.
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이 특허에 인용된 특허 (3)
Lüssi, André, Apparatus for dispensing milk-based products.
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