A Method for Controlling the Heating of a Susceptor of an Aerosol-Generating Device

Abstract: a method for controlling the heating of a susceptor of an aerosol-generating device is described. the susceptor is inductively heated by an oscillating circuit driven by an inverter. the method includes a pre-heating phase of the aerosol-generating device and a subsequent heating phase of the aerosol-generating device. a step of estimating or determining a temperature of the aerosol-generating device is performed during the pre-heating and heating phases. at the start of the pre-heating phase, the estimation or determination of the temperature is based on a determined resonant frequency of the oscillating circuit or a determined indicative electrical value of the oscillating circuit, e.g., a capacitor voltage. the determination or estimation of the temperature is transitioned to being based on a measured internal temperature of the aerosol-generating device.

Inventor(s): Grzegorz Aleksander Pilatowicz, Eduardo Jose Garcia Garcia

CPC Classification: A24F40/57 (SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes ))

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