| 摘要 |
<p>A device for heating and/or frothing milk for machines for preparing hot beverages such as a cappuccino, comprising a tubular body inside which a Venturi tube is provided which has an intake end which can be associated with a source of steam and a discharge end, a mixing chamber, which is defined between a converging portion and a diverging portion of the Venturi tube, and at least one milk supply duct, which has a drawing port which can be associated with a milk reservoir and a port for introducing the milk in the mixing chamber, the milk being drawn into the mixing chamber due to the partial vacuum created by the flow of steam between the converging portion and the diverging portion of the Venturi tube.</p> |
