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    • 3. 发明申请
    • MILK FROTHER WITH IMPROVED ACCESS TO INNER PARTS THEREOF FOR CLEANING
    • WO2022171470A1
    • 2022-08-18
    • PCT/EP2022/052177
    • 2022-01-31
    • DE' LONGHI APPLIANCES S.R.L.
    • MARCON, DavideSARTORI, ErosPANCIERA, AntonioTREVISAN, GianpaoloROSETTA, Simone
    • A47J31/44
    • A milk frother (1) comprising a steam fitting (200) that is associable with a steam flow dispenser, a homogenization element (300) of a flow of frothed milk, a hollow longitudinal body (100) having a seat for the engagement (120) of the steam fitting (200) and bounding in cooperation with the steam fitting (200), a steam, air and milk mixing chamber (102), a channel of air access (103) to the mixing chamber (102), and a channel of milk access (104) to the mixing chamber (102), wherein the steam fitting (200) has a channel of steam access (201) to the mixing chamber (102), wherein the hollow longitudinal body (100) further has a channel for the outlet (110) of the flow of frothed milk from the mixing chamber (102), wherein the outlet channel (110) has a dispensing end (111) engaging with the homogenization element (300), wherein the permanent connection means (140) is provided between the hollow longitudinal body (100) and the steam fitting (200), wherein the first permanent connection means (140) have a variable configuration between a first engagement configuration and a first disengagement configuration between the steam fitting (200) and the engagement seat (120) thereof, and wherein second permanent connection means (150) is provided between the hollow longitudinal body (100) and the homogenization element (300), wherein the second permanent connection means (150) has a configuration that is variable between a second engagement configuration and a second disengagement configuration between the homogenization element (300) and the dispensing end (111) of the outlet channel (110).
    • 4. 发明申请
    • COFFEE MACHINE AND METHOD FOR DISPENSING A MILK EMULSION WITH SAID COFFEE MACHINE
    • WO2021254689A1
    • 2021-12-23
    • PCT/EP2021/062133
    • 2021-05-07
    • DE' LONGHI APPLIANCES S.R.L.
    • PANCIERA, AntonioROSETTA, Simone
    • A47J31/44A47J31/4403A47J31/4485
    • The coffee machine (1) comprises a water tank (23), boiler (2) for the production of steam, a water supply pump (3) for supplying water to the boiler (2) for generation of steam, an external coffee dispenser (4), an external steam dispenser (5) having a dispensing opening (21) for dispensing a steam flow, a milk container (6) having an emulsifying device for emulsifying the milk by Venturi effect generated by the steam flow, the emulsifying device (7) having a mixing chamber (10) for mixing milk/steam/air, a milk aspirating channel (12) by Venturi effect having an inlet opening (11) into the mixing chamber (10), an air aspirating channel (14) by Venturi effect having valve means (15) and an inlet opening (13) into the mixing chamber (10), the mixing chamber (10) having a sealed removable connection opening (16) with the external steam dispenser (5) and an outlet opening (17) of the milk emulsion aligned to the steam dispensing opening (21) and connected to an external dispenser (9) of the milk emulsion, wherein the outlet opening (17) of the milk emulsion is larger than the steam dispensing opening (21) for the activation of the Venturi effect, the milk aspirating channel (12) is dimensioned with a minimal passage area sufficiently large to provide an efficiency of milk aspiration by Venturi effect to which the dispensing of a milk emulsion, at a temperature no more than 25°C higher than the temperature of the milk present in the milk container (6) corresponds.