ELECTROMAGNETIC COOKING DEVICE WITH AUTOMATIC BOILING DETECTION AND METHOD OF CONTROLLING COOKING IN THE ELECTROMAGNETIC COOKING DEVICE

An electromagnetic cooking device and method of controlling the same is provided herein. The cooking device includes a cavity in which a liquid is placed and a plurality of RF feeds configured to introduce electromagnetic radiation into the cavity for heating the liquid. A controller is provided and...

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Bibliographic Details
Main Authors NOCELLA, Valeria, GUATTA, Davide
Format Patent
LanguageEnglish
French
German
Published 19.08.2020
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:An electromagnetic cooking device and method of controlling the same is provided herein. The cooking device includes a cavity in which a liquid is placed and a plurality of RF feeds configured to introduce electromagnetic radiation into the cavity for heating the liquid. A controller is provided and is configured to analyze forward and backward power at the plurality of RF feeds to calculate efficiency; determine and monitor a coefficient of variation of the efficiency; detect a heating state in the liquid based on changes in the coefficient of variation; and adjust a power level of the electromagnetic radiation in response to detection of the heating state.
Bibliography:Application Number: EP20160925725