Abstract: An aerosol generating device includes: a liquid storage configured to store an aerosol generating material; a first residual amount detection sensor and a second residual amount detection sensor respectively arranged on a first inner surface and a second inner surface that face each other among inner surfaces of the liquid storage; a third residual amount detection sensor and a fourth residual amount detection sensor respectively arranged on a third inner surface and a fourth inner surface of the liquid storage that face each other and are different from the first inner surface and the second inner surface of the liquid storage; and a controller configured to measure a remaining amount of the aerosol generating material based on a first detected value output by the first residual amount detection sensor and a second detected value output by the second residual amount detection sensor.

Abstract: An aerosol generating device includes a first cartridge including a first material and a delivery hole, a second cartridge including chambers for accommodating a second material through which an aerosol passes, a position of the second cartridge with respect to the first cartridge being changeable, a remaining amount sensor configured to detect a remaining amount of the first material, and a controller configured to determine a consumption amount at which the first material is consumed with respect to a usage chamber that currently passes the aerosol based on the detected remaining amount of the first material and to compare the consumption amount of the first material with a pre-set reference consumption amount of the first material with respect to the usage chamber, thereby determining a position changing time at which changing of a position of the second cartridge is required.

Abstract: A cartridge includes a storage unit configured to store an aerosol generating material, a wick arranged under the storage unit and configured to absorb the aerosol generating material supplied from the storage unit, and one or more susceptors arranged on at least one outer surface of the wick, and configured to atomize the aerosol generating material absorbed into the wick into an aerosol by generating heat in response to an induced magnetic field.

Abstract: An aerosol generating device may include: a cartridge including a reservoir for storing an aerosol generating material; a heater assembly detachably coupled to the cartridge and configured to heat the aerosol generating material provided from the cartridge to generate an aerosol; and a body detachably coupled to the heater assembly and including a battery configured to supply power to the heater assembly, wherein the heater assembly may include: a chamber in fluid communication with the reservoir of the cartridge; a wick configured to absorb the aerosol generating material supplied from the reservoir; and a heater arranged in at least a region of a side surface of the wick and configured to heat the aerosol generating material absorbed into the wick.

Abstract: The present disclosure relates to an aerosol generating device including a heater module that is detachable, wherein the aerosol generating device includes a main body including a controller and a battery, a heater module detachably coupled to the main body and including a heater configured to heat an aerosol generating material, and a cartridge detachably coupled to the heater module and configured to store the aerosol generating material to be delivered to the heater, wherein the heater module includes a first terminal configured to electrically connect the cartridge to the heater module when the cartridge is coupled to the heater module, and a second terminal and a third terminal configured to electrically connect the heater module to the controller when the heater module is coupled to the main body.

Abstract: An aerosol generating device includes: a cartridge including a liquid storage and an atomizer; and a main body including a battery, a puff sensor, and a controller configured to perform pulse width modulation (PWM) control for supplying power from the battery to the atomizer, wherein the controller performs the PWM control at a first duty ratio during a puff period and performs the PWM control at a second duty ratio lower than the first duty ratio during a non-puff period between puff periods.

Abstract: An aerosol generating device and a controlling method thereof are provided. An aerosol generating device includes: a battery configured to supply power for generating an aerosol from an aerosol generating material; a converter configured to convert a supply voltage from the battery into a constant voltage of a predetermined level; a heater configured to heat the aerosol generating material using the supply voltage; a detection circuit configured to detect a change in resistance of the heater by applying the constant voltage output from the converter and performing a current sensing on the heater with a resistance value; and a controller configured to control the heater for generating the aerosol by switching between a monitoring mode for performing the detection of the change in the resistance of the heater using the constant voltage and a heating mode for heating the heater using the supply voltage.

Abstract: An aerosol generating device includes: a first cartridge configured to accommodate a first material and including a delivery hole that is configured to deliver an aerosol generated from the first material; a second cartridge including a plurality of chambers that are each configured to accommodate a second material through which the aerosol delivered from the first cartridge passes and is discharged to the outside, wherein a position of the second cartridge with respect to the first cartridge is changeable so that at least one of the plurality of chambers corresponds to the delivery hole; a position sensor configured to generate a signal by detecting a position of at least one of the plurality of chambers with respect to the delivery hole; and a controller configured to identify a usage chamber based on the signal of the position sensor.

Abstract: Provided is an aerosol generating device including a heater configured to heat a first aerosol generating substrate inserted into a cavity, a vaporizer configured to heat a second aerosol generating substrate, and a controller configured to control power supplied to the heater and the vaporizer based on a first mode for generating a smokeless aerosol and a second mode for generating a smoke aerosol.

Abstract: Disclosed are an aerosol generating device including a heater that heats an aerosol generating material; a battery that supplies power to the heater; a sensor that senses puffs of aerosol; and a controller that determine a power profile based on a time interval between the puffs of the user and controls power to be supplied to the heater according to the determined power profile, and an operation method thereof.

Abstract: An aerosol generating article includes a front-end plug configured to introduce external air into the aerosol generating article, a tobacco medium portion including a tobacco material in the form of granules, and a filter unit arranged at a position opposite the front-end plug across the tobacco medium portion, wherein the tobacco material has a pH value of 7 to 11.

Abstract: An aerosol generating device includes an aerosol delivering device including a first cartridge in which a first material for generating an aerosol is accommodated, and a second cartridge rotatably coupled to the first cartridge, configured to accommodate a second material, and arranged such that an aerosol generated from the first material passes through the second material, and an atomizer that is connected to the first cartridge and configured to generate the aerosol by atomizing the first material and deliver the aerosol to the second cartridge.

Abstract: An aerosol generating device includes a first cartridge configured to accommodate a first smokable material and comprising a delivery hole through which an aerosol generated from the first smokable material is delivered; a second cartridge comprising a plurality of chambers for accommodating a second smokable material through which the aerosol delivered from the first cartridge passes, and movably coupled to the first cartridge such that a position of the second cartridge with respect to the first cartridge is changeable; a magnetic body arranged in one of the second cartridge and the first cartridge; and an electromagnet arranged in the other of the second cartridge and the first cartridge to face the magnetic body, and configured to generate magnetism toward the magnetic body such that one of the plurality of chambers is aligned with the delivery hole to form a flow path to a mouthpiece.

Abstract: A heater assembly includes a chamber including an air inlet, a liquid inlet, and an air outlet; a wick configured to absorb an aerosol generating material from outside of the heater assembly through the liquid inlet and including a first surface, a second surface, and a side surface surrounding a space between the first surface and the second surface; a heater arranged on the side surface of the wick and configured to heat the aerosol generating material absorbed into the wick; and a guide structure configured to induce external air flowing into the chamber through the air inlet to move in a direction toward the heater.

Abstract: A heater module for an aerosol generating device includes a heater module body detachably coupled to a cartridge which includes an aerosol generating material and having an inlet hole through which external air is introduced, a wick including a first surface that faces the inlet hole and extends in a direction crossing another direction in which air is introduced through the inlet hole and arranged in the heater module body to absorb the aerosol generating material, and a heater provided on the first surface of the wick to face the inlet hole and heating the aerosol generating material absorbed in the wick.

Abstract: A method of counting the number of puffs using an aerosol generating device is disclosed. The may include obtaining a first start time which is a time when a pressure measured by a sensor included in the aerosol generating device decreases below a first reference pressure value; obtaining a first end time which is a time when the pressure measured by the sensor reaches the first reference pressure value after the first start time; determining whether a first period, which is a period between the first end time and the first start time, is longer than or equal to a first reference period; and increase the number of puffs by one based on the first period being longer than or equal to the first reference period.

Abstract: A cartridge for an aerosol generating device includes: a storage in which an aerosol generating material is stored; a vibrator configured to atomize the aerosol generating material stored in the storage into an aerosol by generating vibrations; a delivery portion configured to deliver the aerosol generating material stored in the storage to the vibrator; a first conductor having a container shape, the first conductor in contact with a first surface of the vibrator and accommodating at least a portion of an outer circumferential surface of the vibrator; a second conductor in contact with a second surface of the vibrator and pressing the vibrator in a direction from the second surface to the first surface; and a support located inside the first conductor and configured to support the vibrator.

Abstract: An aerosol generating device includes a battery, a capacitive sensor, a controller, a first conductive element, a second conductive element, and a heater, wherein the controller is configured to control power supplied from the battery to the heater based on an order of a first time point at which the capacitive sensor senses contact of a user through the first conductive element and a second time point at which the capacitive sensor senses contact of the user through the second conductive element.

Abstract: Provided is an aerosol generating device including a heater that heats an aerosol-generating material and a controller that controls power supplied to the heater. The controller may measure a resistance value of the heater by using at least one electrical characteristic associated with the heater, select any one power profile from among a plurality of pre-stored power profiles including values of power to be supplied to the heater, such that a temperature of the heater reaches a target temperature within a predetermined time from a time point at which power supply to the heater is initiated regardless of variation in the resistance value of the heater, and control power supplied to the heater according to the selected power profile.

Abstract: According to an embodiment, an aerosol generating device may include a battery configured to supply a battery voltage, a first boost circuit configured to boost the battery voltage to a first boost voltage higher than the battery voltage, a second boost circuit configured to generate first and second switching voltages respectively based on first and second PWM signals, and boost the first boost voltage to a second boost voltage according to the generated first and second switching voltages, 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.