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1. (WO2018127279) METHOD FOR DETECTING DEPOSITION OF SCALE ON A HEATING ELEMENT AND HOUSEHOLD APPLIANCE COMPRISING A HEATING ELEMENT

Pub. No.:    WO/2018/127279    International Application No.:    PCT/EP2017/050149
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Thu Jan 05 00:59:59 CET 2017
IPC: A47J 27/21
A47J 31/58
Applicants: ELECTROLUX APPLIANCES AKTIEBOLAG
Inventors: TÖRNQUIST, Vendela
WALDEBÄCK, Johan
Title: METHOD FOR DETECTING DEPOSITION OF SCALE ON A HEATING ELEMENT AND HOUSEHOLD APPLIANCE COMPRISING A HEATING ELEMENT
Abstract:
A method (100) for detecting deposition of scale on a heating element (1) of a household appliance (3) is provided. The method (100) comprises: sending (103) an electric pulse to the heating element (1), determining (105) a behaviour (Ch) of a parameter of the heating element in response to the electric pulse, and evaluating (107) the behaviour (Ch) for detecting the deposition of scale on the heating element (1), wherein the electric pulse comprises a predetermined amount of electric energy. Further, a household appliance (3) comprising a heating element (1) is provided.