Patent ID: 11957272
Assignee: FRANKE KAFFEEMASCHINEN AG
Field: Furniture, games (Other fields)
Classification: CPC A  B  F | IPC A  B  F

Claim 8:
9. A method for operating a heating device for heating a liquid foodstuff as the liquid foodstuff is being dispensed, the heating device including a fluid path for the liquid foodstuff and an electric heater, and the fluid path and the electric heater are both in direct thermal heat-transferring contact with a heat store made from a metal of at least one of high thermal mass or conductivity, the method comprising:
bringing the heat store to an operating temperature of below 80° C. by the heater for a dispensing operation, and, for cleaning:
connecting the fluid path via at least one directional control valve to a flushing line via which at least one of water or detergent solution is conducted through the fluid path,
heating the heating device to a high temperature of above 100° C. in order to carry out thermal regeneration, and
opening the directional control valve one or more times in order to conduct the at least one of the water or the detergent solution through the fluid path of the heating device which is heated to a high temperature of above 100° C.