Coffee machine, in particular fully automatic espresso machine

摘要

The coffee machine has milk foaming device (1) with foaming chamber (4) to which internal milk duct (13) is connected. A bypass air inlet (17) and movable milk supply line (11) are connected to internal milk duct. The milk foaming device and supply line are cleaned with rinse water supplied over flushing valve from water heater. A passage (8) comprising passage reduction element (9) is extended from exhaust opening (5) of foaming chamber. An outlet reducing valve (6) is arranged in passage. The bypass air inlet is blocked when flushing valve is in rinsing position.