Device for producing milk froth

A - Human Necessities – 47 – J

Patent

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Details

A47J 31/44 (2006.01)

Patent

CA 2754145

The invention relates to a device (11) for producing milk froth using steam and air, comprising a convergent-divergent nozzle (2) for achieving a suction effect. A milk feed line (4) is connected to the nozzle in such a way that milk can be drawn from a milk container (5) into the nozzle (2) under the suction effect. The nozzle (2) is designed as a one-piece component created in an injection-molding process and contains a nozzle inlet opening (14), a nozzle outlet opening (17), and a milk feed line connection in the form of a milk intake fitting (20). The air inlet is located before a nozzle inlet opening (14) of the nozzle (2) with regard to the flow direction. A controllable air pump (6) is provided to introduce air into the steam feed line (3).

L'invention concerne un dispositif (11) servant à produire de la mousse de lait à l'aide de vapeur et d'air et comprenant une buse convergente-divergente (2) pour réaliser un effet d'aspiration. Une conduite d'amenée de lait (4) est reliée à la buse de sorte que le lait peut être aspiré par effet d'aspiration d'un récipient de lait (5) dans la buse (2). La buse (2) est réalisée par moulage par injection en tant qu'élément d'un seul tenant et comprend un orifice d'entrée (14), un orifice de sortie (17) et un raccord pour la conduite d'amenée de lait ayant la forme d'une tubulure d'aspiration de lait (20). L'entrée d'air se trouve avant l'orifice d'entrée (14) de la buse (2) dans le sens d'écoulement. Une pompe à air (6) pouvant être commandée sert à introduire de l'air dans la conduite d'amenée de vapeur (3).

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