US 12,133,608 B2
Method for operating a heating system and kitchen machine
Sebastian Tietz, Leverkusen (DE); Stefan Kraut-Reinkober, Leverkusen (DE); Kevin Schmitz, Haan (DE); Torsten Lang, Solingen (DE); Martin Weber, Wuppertal (DE); and Maria Diel, Leichlingen (DE)
Assigned to Vorwerk & Co. Interholding GmbH, Wuppertal (DE)
Filed by Vorwerk & Co. Interholding GmbH, Wuppertal (DE)
Filed on Oct. 13, 2020, as Appl. No. 17/069,326.
Claims priority of application No. 19203209 (EP), filed on Oct. 15, 2019.
Prior Publication US 2021/0106171 A1, Apr. 15, 2021
Int. Cl. A47J 36/32 (2006.01); A47J 27/00 (2006.01); H05B 1/02 (2006.01); H05B 3/68 (2006.01); G01K 7/18 (2006.01)
CPC A47J 36/32 (2013.01) [A47J 27/004 (2013.01); H05B 1/0261 (2013.01); H05B 3/68 (2013.01); G01K 7/18 (2013.01); H05B 2203/019 (2013.01); H05B 2203/02 (2013.01); H05B 2213/07 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for operating an electric heating system of a kitchen machine for processing food, comprising:
starting the kitchen machine and activating the heating system,
determining a heating temperature of a first area of the heating system by measuring an electrical resistance of a heating element of the heating system using a measuring device,
determining a localized measuring temperature of a second area of the heating system using a temperature sensor, the second area being smaller than the first area, and
comparing during the processing of the food the localized measuring temperature with the heating temperature to identify a heating state of the heating system, the heating state being a local temperature change of the heating element.