| 摘要 |
A method for heating and whipping milk, in particular for preparing cappuccino in coffee machines, in which the heating and whipping of the milk are carried out by the combined action of a flow of vapour, which is dispensed by a boiler which produces water vapour, and a flow of compressed air, which is dispensed by an associated source of compressed air, wherein the flow of compressed air is constituted by pulses which have a predetermined duration and which are intercalated in inactive periods.
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