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US 11,229,313 B2Granted
Device for heating and emulsifying beverages
AssigneeDe'Longhi Appliances S.R.L.
InventorsGiuseppe De'Longhi, Guido Quaratesi, Claudio Cristofoli, Giovanni Rossetto
Life of this patent
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Abstract
Device for heating and emulsifying beverages includes a pump (2), an air and water meeting zone (10), a device for producing steam, and a first conduit (5) for steam mixed with air that communicates with a steam wand (6) adapted to be immersed into a beverage (7) to be heated and emulsified. The device for producing steam includes an instant steam generator (4). The meeting zone (10) is positioned before the instant steam generator (4).
Claims13
A device for heating and emulsifying beverages comprising:
- a pump (2),
- an air and water meeting zone (10),
- a device for producing steam that comprises an instant steam generator (4), where the meeting zone (10) is positioned after said pump (2) and before said instant steam generator (4);
- a first conduit (5) for steam mixed with air communicating with a steam wand (6) adapted to be immersed in a beverage (7) to be heated and emulsified;
- and
- a control unit (20) connected to at least said pump (2), to a source of compressed air (8), to said instant steam generator (4), to a thermal probe (15) of said steam wand (6), and to at least one first valve (21), wherein the control unit (20) is configured to control said at least one first valve (21) to lower pressure inside the instant steam generator (4) up to ambient pressure and to ensure emptying of the instant steam generator (4) when in a rest condition.
3 more elements
Dependencies are inferred from the claim text.