US 12,245,720 B2
Device for producing milk or milk foam beverages and method for heating milk or milk foam
Jonathan Besse, Chamoson (CH); Paul Rouiller, Martigny-Croix (CH); and Sébastien Robyr, Sierre (CH)
Assigned to EVERSYS S.A., Sierre (CH)
Appl. No. 18/570,384
Filed by EVERSYS S.A., Sierre (CH)
PCT Filed Oct. 5, 2022, PCT No. PCT/EP2022/077623
§ 371(c)(1), (2) Date Dec. 14, 2023,
PCT Pub. No. WO2023/066659, PCT Pub. Date Apr. 27, 2023.
Claims priority of application No. 20 2021 105 696.7 (DE), filed on Oct. 19, 2021.
Prior Publication US 2024/0215753 A1, Jul. 4, 2024
Int. Cl. A47J 31/44 (2006.01); A47J 31/52 (2006.01); F24H 1/10 (2022.01)
CPC A47J 31/4485 (2013.01) [A47J 31/5253 (2018.08); F24H 1/10 (2013.01); A47J 2202/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A device for producing milk or milk foam beverages, the device comprising a pump, a milk suction line which is connected to the pump and is connectable to a milk reservoir, an outlet line connected to the pump, a heating element comprising a plurality of flow heaters comprising at least a first flow heater and a second flow heater arranged in series, and a control device; wherein each flow heater of the plurality of flow heaters is providing adjustable heating power, wherein the control device controls the adjustable heating power of each flow heater, wherein the adjustable heating power of each flow heater is controllable or adjustable independently of the adjustable heating power of the other flow heaters of the plurality of flow heaters over an electric current supplied to each of the flow heaters, wherein the control device operates the first flow heater with a constant heating power profile and the second flow heater with a time-variable heating power profile, and wherein each flow heater of the plurality of flow heaters has a housing which is thermally decoupled from the housings of the other flow heaters of the plurality of flow heaters.