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US 10,590,595 B2Granted
Method and energization circuit for an induction-heated laundry dryer
AssigneeMiele & Cie. KG
InventorsOliver Kalze, Martin Schulze Hobeling, Ludger Laame
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Abstract
A method for energizing an induction heater of a laundry dryer includes energizing the induction heater to heat a drum of the laundry dryer; interrupting the energization of the induction heater for a time interval, allowing an oscillator circuit of the induction heater to freely oscillate; measuring a resonant frequency of the oscillator circuit during the time interval; and determining a temperature of the drum based on the measured resonant frequency.
Claims11
A method for energizing an induction heater of a laundry dryer, the method comprising:
- energizing the induction heater to heat a drum of the laundry dryer;
- interrupting the energization of the induction heater for a time interval, allowing an oscillator circuit of the induction heater to freely oscillate;
- measuring a resonant frequency of the oscillator circuit during the time interval;
- and
- determining a temperature of the drum based on the measured resonant frequency.
2 more elements
Dependencies are inferred from the claim text.