An emulsifier assembly for emulsifying air, steam, and milk in preparing capuccino and the like beverages, particularly for use with bar-size coffee makers

An emulsifier assembly (1) for emulsifying air, steam, and milk in preparing cappuccino and the like beverages, particularly for use with bar-size espresso coffee makers, being also adapted for heating up milk in preparing cafe au lait, comprises a body (2), a steam delivery channel (3) open into a suction chamber (6), an air intake line (9) and a milk intake line (8), both said lines (8, 9) being in communication with the suction chamber (6), a flow rate adjuster (16) connected in the air intake line (9), a shutter member (18) operative in the air intake line (9), and a restrictor member (23) operative in an end section (11) of the milk intake line (8), both said members (18, 23) being hand-actuatable.