Abstract: An aerosol-generating article according to an embodiment of the disclosure includes: a tobacco rod; a filter rod located downstream of the tobacco rod; and a wrapper surrounding outer circumferential surfaces of the tobacco rod and the filter rod, wherein the tobacco rod includes: a structure supporting the wrapper in a transverse direction; and at least one channel formed between the wrapper and the structure.

Abstract: One or more embodiments relate to a cellulose acetate tow, a filter including the same, and an aerosol generating article including the filter.

Abstract: An aerosol generating device includes: a housing including a hole for receiving an aerosol generating article and a guide apart from the hole; and a cover configured to move along the guide between a first position and a second position to open or close the hole, wherein the hole is open when the cover is located in the first position, and the hole is closed when the cover is located in the second position.

Abstract: A heater assembly for heating a cigarette accommodated in an aerosol generating device includes a heating element that extends in a longitudinal direction of the cigarette and includes a ferromagnetic substance for generating heat by an external magnetic field, and a temperature sensor that measures a temperature of the heating element. The heater assembly is disposed at an inner end portion of an accommodation space provided in the aerosol generating device to accommodate the cigarette.

Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.

Abstract: An aerosol generation device includes a first housing including an inner accommodating space and an opening exposing the inner accommodating space to an outside of the first housing; a second housing including an inner space and coupled to the first housing with a fastening portion; a battery inserted into the inner space of the second housing and having a part exposed to an outside of the second housing; a case into which the second housing is inserted, the case covering at least one of the first housing or the second housing; and a cap coupled to the first housing and covering the first housing, wherein the case covers the part of the battery exposed to the outside of the second housing.

Abstract: An aerosol generating article includes an aerosol generator including a first aerosol generating material which does not include nicotine; a tobacco filler arranged adjacent to an end of the aerosol generator and including a second aerosol generating material including nicotine; a cooler arranged adjacent to an end of the tobacco filler and configured to cool aerosol; and a mouth piece arranged adjacent to an end of the cooler.

Abstract: An electronic vaporizer for generating an aerosol includes a housing to be installed to an electronic device by being coupled to the electronic device through a connecting interface of the electronic device, and including: a connecting interface that receives power from a battery included in the electronic device when coupled to the connecting interface of the electronic device, a liquid storage for storing a liquid aerosol generating material and supplying the liquid aerosol generating material to a wick when the housing is disposed in a predetermined posture, an atomizer that includes a wick and a heater for generating an aerosol by heating the liquid aerosol generating material supplied to the wick, and a control circuit that controls heating of the heater for generating the aerosol, based on the power supplied from the battery.

Abstract: An aerosol generating device includes an accommodation portion configured to accommodate an aerosol generating article through an opening, a heater configured to heat the accommodation portion and move along a longitudinal direction of the accommodation portion; and a heater support that supports the heater and move the heater along the longitudinal direction of the accommodation portion, wherein the heater moves between a first position corresponding to a first point of the aerosol generating article and a second position corresponding to a second point of the aerosol generating article, and wherein the first position and the second position differ according to specifications of the aerosol generating article.

Abstract: An aerosol generating device according to an aspect comprises a main body that comprises a battery and a controller, a cartridge which is coupled to the main body and comprises a liquid storage that contains liquid composition and an atomization portion that generates an aerosol by heating the liquid composition contained in the liquid storage, and a cover that forms an inner space by being coupled to the main body such that the cartridge is arranged in the inner space, wherein the main body further comprises a light source that emits light toward an inside of the liquid storage, and the cover comprises a window hole through which light entitled from the light source toward the inside of the liquid storage is transmitted to the outside of the cover.

Abstract: An aerosol generating device includes a battery, a heater for heating an aerosol generating material, a voltage converter, and a controller. An aerosol generating device is provided with a voltage converter that is arranged between a battery and a heater, and converts a voltage applied from the battery to a constant voltage to output a preset fixed voltage that is applied to the heater. A controller controls electric power supplied to the heater such that the preset fixed voltage is applied to the heater in a preheating mode.

Abstract: Provided is a heater for an aerosol-generating device including a first electrically conductive pattern configured to perform heating and a second electrically conductive pattern arranged in parallel with the first electrically conductive pattern. The first electrically conductive pattern and/or the second electrically conductive pattern may include a material having a relatively small resistance temperature coefficient. Accordingly, a temperature increase rate of the heater may be greatly improved.

Abstract: A sidestream smoke removal device and a control method thereof are provided. The sidestream smoke removal device according to some embodiments of the present disclosure may include a housing in which a smoking space is formed, an article insertion portion which is disposed at one end of the housing and forms an opening for insertion of a smoking article into the smoking space, an ignition portion which is configured to ignite the smoking article inserted into the smoking space, a sidestream smoke processing portion which is configured to process sidestream smoke generated from the smoking article inserted into the smoking space, and a heating portion disposed inside the housing to heat the smoking space. The heating portion may heat the smoking space to remove a smell generated due to by-products of smoking, and accordingly, the cleanliness of the sidestream smoke removal device can be improved.

Abstract: An aerosol generating device includes a heater configured to heat an aerosol generating material to generate aerosol; a controller configured to: calculate a current flowing through the heater based on a predefined resistance of the heater and power supplied to the heater, measure the current flowing through the heater, and control the power supplied to the heater based on a difference between the calculated current and the measured current.

Abstract: There is provided an aerosol generating device including: an aerosol generating material delivery element configured to absorb an aerosol generating material stored in the cartridge; a heating element configured to heat the aerosol generating material; a support that includes a through-hole and accommodates the heating element and the aerosol generating material delivery element such that an end of the heating element passes through the through-hole and is exposed to an outside of the support; and a connector comprising a terminal providing power, and coupled to the support such that the end of the heating element contacts the terminal.

Abstract: A recharging system includes a first case; a second case coupled to the first case to form the inner space; a first plate that is disposed in the first case; and a second plate that is disposed in the second case, wherein the first plate and the second plate are formed of a thermally conductive material, and wherein at least one end of the first plate is exposed out of the first case and at least one end of the second plate is exposed out of the second case, such that the exposed end of the first plate and the exposed end of the second plate are in contact with each other when the first case and the second case are coupled to each other.

Abstract: An aerosol generating device includes a first heater for heating a liquid composition accommodated in a liquid storage of a vaporizer, a puff sensor detecting a pressure change within the aerosol generating device, and a controller. The aerosol generating device may determine a puff pattern including a plurality of sections, based on a signal received from the puff sensor. In addition, the aerosol generating device may control an operation of the first heater, based on states of the plurality of sections.

Abstract: An aerosol-generating device is disclosed.

Abstract: According to one or more embodiments, a cartridge includes a connector comprising a plurality of terminals configured to provide an electrical connection between the cartridge and an external device; a heater configured to be heated by a current flowing through a first pair of terminals among the plurality of terminals; and a processor configured to: count a number of times a signal is received through a second pair of terminals among the plurality of terminals, store the number of times corresponding to a counting result in a memory, and initialize the stored number of times when the plurality of terminals are short-circuited according to a preset pattern.