The present invention relates to a multi-layer susceptor assembly for inductively heating an aerosol-forming substrate which comprises at least a first layer and a second layer intimately coupled to the first layer. The first layer comprises a first susceptor material. The second layer comprises a second susceptor material having a Curie temperature lower than 500° C. The susceptor assembly further comprises a third layer intimately coupled to the second layer. The third layer comprises a specific stress-compensating material and specific layer thickness for compensating differences in thermal expansion occurring in the multi-layer susceptor assembly after a processing of the assembly such that at least in a compensation temperature range an overall thermal deformation of the susceptor assembly is essentially limited to in-plane deformations. The compensation temperature range extends at least from 20 K below the Curie temperature of the second susceptor material up to the Curie temperature of the second susceptor material.

An induction heating assembly for a vapour generating device includes a rechargeable power source and an induction coil. The induction coil is arranged to heat, in use, a susceptor and is also arranged to receive, in use, an electromagnetic field generated by an external source to charge the power source.

A susceptor heating element is provided for an aerosol-generating device, the susceptor heating element being configured to heat an aerosol-forming substrate when received in the aerosol-generating device, and the aerosol-forming device including an induction coil configured to generate an alternating magnetic field when an alternating current is provided to the induction coil, the susceptor heating element being formed from a shape-memory material. An aerosol-generating article is also provided.

An aerosol-generating device for generating an aerosol by inductive heating of an aerosol-forming substrate is provided, the device including: a device housing including a cavity configured to removably receive the substrate to be heated; an inductive heating arrangement including at least one induction coil configured to generate an alternating magnetic field within the cavity, the coil being arranged around at least a portion of the cavity; and a flux concentrator arranged around at least a portion of the induction coil and configured to distort the alternating magnetic field of the at least one inductive heating arrangement towards the cavity, the flux concentrator including or being made of a flux concentrator foil, and the flux concentrator foil including at least one of a permalloy or a nano-crystalline soft magnetic alloy. An aerosol-generating system including the aerosol-generating device and an aerosol-generating article is also provided.

Disclosed is a tubular heating element for use in an apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material. The tubular heating element further includes heating material layer that is heatable by penetration with a varying magnetic field on a tubular support. The tubular heating element has a wall thickness of no more than one millimeter. Further, the tubular heating element can include a protective layer. The heating layer includes a ferromagnetic material based on cobalt or nickel.

A cooking appliance according to an embodiment of the present invention may comprise: a case in which a cooking chamber is formed; a door for opening or closing the front opening of the case; a steam generating device mounted to the outer surface of the case; and a steam supply tube for connecting the steam generating device to the cooking chamber, wherein the steam generating device includes: a housing fixed to the case; a drawer which can be pushed into and pulled out of the housing and is filled with water for steam generation; and an induction unit installed at the bottom of the housing so as to heat water filled in the drawer by using electromagnetic induction.

A cartridge includes a liquid portion, a first heater arranged on one side of the liquid portion to heat the liquid portion, a medium portion, and a second heater surrounding at least a portion of the medium portion to heat the medium portion. The first heater is porous, the first heater and the second heater are induction heating-type heaters, an aerosol generated by heating the liquid portion passes through the first heater and flows toward the medium portion, and the aerosol passing through the medium portion is discharged from one end portion of the medium portion.

A heating assembly includes: a preheating portion; and a vaporization portion located on the preheating portion. The preheating portion includes a porous ceramic and a positive temperature coefficient thermosensitive material. A circuit in which the preheating portion is located is connected in parallel with a circuit in which the vaporization portion is located.

The invention provides a frame-type heating assembly, including a heating sheet and a reinforcing frame. The heating sheet includes a heating portion and a connecting portion that is connected to the heating portion and configured for electrical connection with an external circuit. The heating sheet and the reinforcing frame are arranged side by side to improve the strength of the heating sheet. The invention further provides a heating unit including the heating assembly, a liquid conducting member configured for conducting liquid to the heating assembly, and a cover. The invention further provides an atomization system including a housing and the heating assembly disposed in the housing. The side of the heating assembly where the heating sheet is located faces an inner wall of the housing. The reinforcing frame body plays a role in supporting the heating sheet, so that the strength of the heating sheet is improved.

A heating assembly includes a main body and a high-frequency control assembly. The main body includes a heating chamber provided with a first opening. The main body further includes a heating element disposed in the heating chamber. The high-frequency control assembly is disposed outside the heating chamber. When in use, a tobacco material passes through the first opening and is disposed into the heating chamber; when the high-frequency control assembly is energized, an electromagnetic filed is produced, and the heating element produces heat to heat the tobacco material.