Provided are an aerosol generating device, which discharges visible vapor in a first smoking mode and invisible vapor in a second smoking mode, and an operation method of the aerosol generating device.

An aerosol-generating device includes a housing having an opening configured to receive an aerosol-generating article; an accommodating space configured to accommodate the aerosol-generating article inserted through the opening; a heat-dissipating structure comprising an inner wall forming the accommodating space, and an outer wall surrounding the inner wall such that an inner space is formed between the inner wall and the outer wall; and a coil arranged between the outer wall and the housing, and configured to generate an induced magnetic field, wherein the inner wall is configured to generate heat by the induced magnetic field generated from the coil.

An aerosol-generating device includes a housing having an opening configured to receive an aerosol-generating article; an accommodating space configured to accommodate the aerosol-generating article inserted through the opening; a heat-dissipating structure comprising an inner wall forming the accommodating space, and an outer wall surrounding the inner wall such that an inner space is formed between the inner wall and the outer wall; and a coil arranged between the outer wall and the housing, and configured to generate an induced magnetic field, wherein the inner wall is configured to generate heat by the induced magnetic field generated from the coil.

An aerosol generating device according to one embodiment may include: a housing that forms an exterior of the aerosol generating device and includes an opening into which a cigarette is inserted; a heater that generates an aerosol by heating the cigarette; a battery that supplies power to the heater; a temperature sensor that senses a temperature of an internal component of the aerosol generating device; and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.

An aerosol-generating system provided, including an electrically operated aerosol-generating element; a first electrochemical energy storage device (EESD) configured to supply electrical power to the aerosol-generating element; and an EESD temperature control system including at least one temperature sensor positioned to sense a temperature of the first EESD and an electrical heater configured to heat the first EESD, wherein the EESD temperature control system operates the electrical heater dependent on an output from the at least one temperature sensor.

In one aspect, an aerosol provision system is provided. The system includes an assembly defining an opening configured to receive a replaceable consumable and a removable member releasably engaged with the assembly. The removable member is configured to form part of an outer surface of the system, and is positioned so as not to obstruct the opening.

An inductive heater assembly for an aerosol-generating device is provided, the assembly including: at least one inductor coil configured to generate a varying magnetic field when a varying electric current flows through the coil; at least one susceptor arranged to be penetrated by the magnetic field generated by the coil to heat the susceptor; at least one temperature sensor arranged to determine a temperature of the susceptor, the temperature sensor includes first and second resistive sensing elements, the first element being connected to the second element, and the first element being positioned relative to the second element such that a current induced in the first element by the magnetic field opposes a current induced in the second element by the magnetic field. An aerosol-generating device including the inductive heater assembly, control circuitry, and a power source, is also provided.

An inductive heater assembly for an aerosol-generating device is provided, the assembly including: at least one inductor coil configured to generate a varying magnetic field when a varying electric current flows through the coil; at least one susceptor arranged to be penetrated by the magnetic field generated by the coil to heat the susceptor; at least one temperature sensor arranged to determine a temperature of the susceptor, the temperature sensor includes first and second resistive sensing elements, the first element being connected to the second element, and the first element being positioned relative to the second element such that a current induced in the first element by the magnetic field opposes a current induced in the second element by the magnetic field. An aerosol-generating device including the inductive heater assembly, control circuitry, and a power source, is also provided.

A consumable for an aerosol generating device, comprising: a heating element comprising a base portion and a plurality of elongate portions extending from the base portion; and a columnar portion of aerosol generation substrate, the columnar portion being formed from a strip of aerosol generation substrate, wherein an axial portion of the strip extends through a gap between a pair of the elongate portions of the heating element, and the strip is wound around the heating element.

A consumable for an aerosol generating device, comprising: a heating element comprising a base portion and a plurality of elongate portions extending from the base portion; and a columnar portion of aerosol generation substrate, the columnar portion being formed from a strip of aerosol generation substrate, wherein an axial portion of the strip extends through a gap between a pair of the elongate portions of the heating element, and the strip is wound around the heating element.