Abstract: An aerosol-generating article according to one aspect of the present disclosure may include a tobacco medium portion, a filter portion disposed to be spaced apart from the tobacco medium portion, and a tubular cooling portion disposed between the tobacco medium portion and the filter portion. An inner peripheral surface of the cooling portion may include a nicotine component.

Abstract: A power supply device and an aerosol-generating system including the same are disclosed. The power supply device includes a housing having formed therein an accommodation space, a power supply battery, a power input terminal for receiving power from the outside, a power output terminal for outputting power to an aerosol-generating device accommodated in the accommodation space, a power circuit for transmitting power to the power supply battery or the power output terminal, and a controller for controlling the operation of the power circuit. The controller determines the remaining capacity of a device battery of the aerosol-generating device. When the remaining capacity is less than a predetermined reference capacity, the controller controls the power circuit to transmit power to the power output terminal. When the remaining capacity is equal to or greater than the reference capacity, the controller controls the power circuit to transmit power to the power supply battery.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a housing comprising an insertion space in communication with an outside of the housing; a probe extending long and installed in the housing such that the probe is movable from the insertion space to an inside of the housing; a pressure sensor installed in the housing and located adjacent to one end of the probe; and a sealer configured to receive the probe, wherein the sealer is located between the pressure sensor and the insertion space.

Abstract: An aerosol-generating device is disclosed.

Abstract: A flavoring sheet with an enhanced flavor holding amount and flavor retention and a smoking article including the same are provided. The flavoring sheet according to some embodiments of the present disclosure may include a hydrocolloid material configured to form a sheet, an emulsifier, and a fat-soluble flavoring. The emulsifier may serve as a cross-link between the water-soluble hydrocolloid material and the fat-soluble flavoring and increase a flavor holding amount and flavor retention of the flavoring sheet.

Abstract: According to an embodiment, an aerosol generating device includes a reservoir storing an aerosol generating material, a vibrator generating ultrasonic vibration to atomize the aerosol generating material into an aerosol, a drive circuit applying an alternating current (AC) voltage to the vibrator, a feedback circuit outputting a voltage proportional to a current supplied to the drive circuit, and a processor controlling a pulse width modulation (PWM) signal applied to the drive circuit, such that a value corresponding to the voltage is in a preset range defined by a first upper limit and a first lower limit.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a body; a cartridge coupled to the body and configured to store a liquid; and a printed circuit board (PCB) assembly disposed at the body and positioned adjacent to the cartridge, wherein the PCB assembly comprises: a PCB; at least one light source mounted on the PCB; and a first sensor mounted on the PCB at a region of the PCB different than the at least one light source.

Abstract: A vaporizer includes a liquid storage for storing an aerosol generating material, an upper cap having a liquid inlet through which the aerosol generating material is introduced, a lower cap coupled to the upper cap to form an aerosol generating space together with the upper cap, a liquid delivery element that is arranged in the aerosol generating space and absorbs the aerosol generating material delivered from the liquid storage, and a heating element that generates an aerosol by heating the aerosol generating material absorbed by the liquid delivery element, wherein the lower cap may include a support groove for supporting at least part of the liquid delivery element and inner walls facing both ends of the liquid delivery element.

Abstract: An aerosol generating system includes: a cavity configured to accommodate at least a portion of a cigarette; a first induction coil located around the cavity; a second induction coil located around the cavity and connected to the first induction coil in parallel; and a battery configured to supply an alternating current to the first induction coil and the second induction coil, wherein the first induction coil and the second induction coil have different resonant frequencies.

Abstract: A cartridge for mounting on a main body of an aerosol generating device includes: a liquid storage extending in a longitudinal direction of the cartridge to form an outer wall of the cartridge, the liquid storage including a space accommodating a liquid composition therein; a heater that heats the liquid composition accommodated in the liquid storage to generate an aerosol; and a coupling protrusion including an elastic material, the coupling protrusion protruding from an outer surface of the liquid storage and coupling the main body to the cartridge.

Abstract: An aerosol generating device according to an embodiment may include a case including an accommodation space for accommodating at least a part of an aerosol generating article; a heater that heats the aerosol generating article accommodated in the accommodation space to generate aerosol; and an air circulator that generates air flow to discharge air in the accommodation space to outside.

Abstract: An aerosol generating system includes an aerosol generating device including an induction coil that performs a heating operation for heating a susceptor arranged in a cigarette insertion portion and a charging operation for receiving electric power from the outside to charge a power supply, and a charging device including a transmission coil that transmits electric power to the induction coil.

Abstract: An aerosol generating device includes a housing including an accommodation space in which an aerosol generating article is accommodated and an air flow path through which fluid moves inside the housing, wherein a volume of the air flow path is variable.

Abstract: To process a user input when an electronic device is being charged, an electronic device receives a user input from a user, determines whether the user input is a heating command to heat an aerosol-generating substrate of a cigarette, when the user input is the heating command, determines whether the electronic device is being charged, when the electronic device is being charged, invalidate the user input, and when the user input is not the heating command, performs an operation corresponding to the user input.

Abstract: According to an embodiment, an aerosol generating device includes: a battery configured to supply a battery voltage having a first voltage value; a first boost circuit configured to boost the battery voltage to a first boost voltage having a second voltage value greater than the first voltage value; a second boost circuit configured to boost the first boost voltage to a second boost voltage having, as a peak-to-peak voltage value, a third voltage value greater than the second voltage value; a vibrator configured to generate ultrasonic vibration according to the second boost voltage and atomize an aerosol generating material; and a processor configured to control the battery, the first boost circuit, and the second boost circuit.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a housing comprising an insertion space in communication with an exterior of the housing; an elongated probe coupled to the housing and comprising a first end, wherein the elongated probe is movable from the insertion space to an interior of the housing; and a pressure sensor coupled to the housing and located adjacent to the first end of the elongated probe.

Abstract: Provided is a method of controlling a temperature of a heater included in an aerosol generation device according to a type of cigarette. The method includes receiving temperature profiles of different types of cigarette from a user terminal; sensing a cigarette coupled to the heater after receiving the temperature profiles; identifying a type of the sensed cigarette; selecting a temperature profile corresponding to the identified type from among the temperature profiles; and controlling power supplied from a battery to the heater according to the selected temperature profile.

Abstract: Provided is an aerosol generating device. The aerosol generating device includes: an accommodation part into which a cigarette is capable of being inserted; and a heating element passing through a hole formed in a bottom surface of the accommodation part, protruding into the accommodation part and capable of heating the cigarette inserted into the accommodation part, wherein, on the bottom-surface, the ratio of a cross-sectional area of the hole with respect to a cross-sectional area of the heating element is greater than or equal to 1.8.

Abstract: An aerosol generating device includes a first vaporizer configured to generate a first aerosol by heating a first liquid composition, a second vaporizer configured to generate a second aerosol by heating a second liquid composition, and a controller controlling power supplied to the first vaporizer and the second vaporizer, based on a first mode, in which a smokeless aerosol is generated, and a second mode, in which a transport amount of nicotine included in the second liquid composition is adjusted.

Abstract: An aerosol generating device and an operation method thereof are disclosed. The aerosol generating device may include a heater for heating an aerosol generating material, a battery for supplying power to the heater, and a controller for dividing a preheating period for preheating the heater into a plurality of sections and controlling so that more power is supplied to the heater in a first section than in a second section among the plurality of sections.