Abstract: An aerosol generating article includes a heat source portion including a combustible heat source for generating heat; a heat conduction portion connected to the heat source portion and including an inlet hole through which external air is introduced; a tobacco medium connected to the heat conduction portion and heated by the heat of the heat source transferred through the heat conduction portion, to include an aerosol generating material for generating an aerosol; and a first heat conductor disposed in the tobacco medium and including a heat-conducting material for transferring heat generated by the heat source portion to the tobacco medium.

Abstract: Disclosed is an aerosol generating apparatus including a liquid storage configured to accommodate an aerosol generating material; a vibrator configured to generate ultrasonic vibration to atomize the aerosol generating material into an aerosol; and a processor configured to, based on a correlation between frequencies within a predetermined range including a resonant frequency of the vibrator and impedances of the vibrator changed by application of the frequencies within the predetermined range, determine an operating frequency for controlling the vibrator to a second temperature higher than a first temperature reached by application of a voltage of the resonant frequency and control the vibrator to the second temperature by applying a voltage of the operating frequency to the vibrator.

Abstract: Disclosed is an aerosol generating apparatus including an atomizer configured to generate an aerosol from an aerosol generating material; a controller configured to output a driving voltage for controlling the atomizer; and a voltage divider operationally connected to the controller and configured to control an input voltage of the atomizer by adjusting voltage division of the driving voltage, such that a pre-heating voltage is applied to the atomizer while the atomizer is being pre-heated in a non-puff period and an atomization voltage is applied to the atomizer while the atomizer is atomizing the aerosol generating material in a puff period.

Abstract: An aerosol-generating device includes a battery, a controller, an atomizer, and a scaling member disposed on one end of the atomizer and including a thermoplastic elastomer (TPE), wherein the thermoplastic elastomer has a melt flow index of 1.8 g/10 min to 80.0 g/10 min.

Abstract: According to an embodiment of the present disclosure, a method of controlling an aerosol generating device that generates an aerosol based on ultrasonic vibration of a vibrator of the aerosol generating device is provided. The method includes: operating, based on power of the aerosol generating device being turned on, the aerosol generating device in a preheat mode for preheating the vibrator; operating, based on the preheat mode being completed, the aerosol generating device in a power repetition control mode wherein supplying of power to the vibrator and cutting off supply of the power to the vibrator are alternately repeated; and operating, based on a puff of a user being sensed while operating in the power repetition control mode, the aerosol generating device in a puffing mode wherein power is supplied to the vibrator to generate the aerosol.

Abstract: An aerosol-generating device includes a heating element configured to heat an aerosol-generating substrate, a battery configured to supply power to the heating element, a harvest device configured to generate power, and a controller configured to control conversion of power generated by the harvest device and control charging of the battery by using converted power.

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: 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: A cover assembly includes a mouthpiece including one end, that is configured to come into contact with a mouth of a user, and another end opposite to the one end, the mouthpiece configured to move to an open position and a closed position by rotation of the mouthpiece around the other end; and an accommodation unit for accommodating the one end of the mouthpiece in the closed position. The accommodation unit includes a button unit including a body, the button unit configured to contact the one end of the mouthpiece and to be displaced in a longitudinal direction based on the one end being pressed; and a locking unit including a body, the body of the locking unit including a first portion that is configured to contact the one end of the mouthpiece and a second portion that is configured to contact the button unit.

Abstract: An aerosol generating device includes a vibrator configured to vibrate to generate an aerosol from an aerosol generating material, a controller configured to control the vibrator to vibrate at a target vibration speed, and a feedback circuit configured to detect an electrical signal representing a frequency response of the vibrator that changes according to an operating environment of the vibrator and output a feedback signal based on the detected electrical signal, and the controller may adjust the vibration speed of the vibrator based on the feedback signal output from the feedback circuit.

Abstract: An aerosol generating device includes a multilayered thermally conductive member forming an accommodation space into which an aerosol generating article is configured to be inserted; a heater surrounding the multilayered thermally conductive member; a battery configured to supply power to the heater; and a controller configured to control power supplied from the battery to the heater such that the multilayered thermally conductive member transfers heat from the heater to the aerosol generating article. Each layer of the multilayered thermally conductive member includes a corrosion-resistant material or a thermally conductive material.

Abstract: An aerosol generating device includes a storage tank configured to store an aerosol generating material; a compressed air generator configured to generate compressed air; and a nozzle including an inlet end through which compressed air flows in and an outlet end through which the compressed air flows out, wherein the aerosol generating material stored in the storage tank is atomized into an aerosol by colliding with the compressed air discharged from the outlet end of the nozzle.

Abstract: The aerosol generating device includes a storage tank configured to store an aerosol-generating material; a wick configured to absorb the aerosol-generating material stored in the storage tank; a vibrator configured to atomize the aerosol-generating material absorbed in the wick into an aerosol by generating ultrasonic vibrations; a discharge passage configured to discharge the aerosol to an outside of the aerosol generating device; and a structure located at one end of the discharge passage and configured to press the wick toward the vibrator such that contact between the wick and the vibrator is maintained.

Abstract: An aerosol generating apparatus according to an embodiment includes a susceptor arranged to surround an aerosol generating article, and comprising a first layer including a magnetic material and a second layer including a first non-magnetic metal material; an induction coil configured to form a time-varying magnetic field in the susceptor assembly; a battery configured to supply power to the induction coil; and a processor configured to control the power supplied to the induction coil from the battery.

Abstract: According to an embodiment, an aerosol generating apparatus includes an accommodation portion configured to accommodate an aerosol generating article, a pressure sensor configured to detect pressure in the accommodation portion, and a controller configured to determine whether the aerosol generating article is inserted into or removed from the accommodation portion and whether a user's puff has occurred on the aerosol generating article, based on whether pressure detected by the pressure sensor is increased or reduced from a reference value.

Abstract: A cartridge used for an aerosol-generating apparatus includes a liquid storage configured to store an aerosol-generating material, a heater configured to generate an aerosol by heating the aerosol-generating material, an air flow path through which the aerosol passes to be discharged to the outside of the cartridge, and a heating wire having a mesh shape, configured to generate heat, and arranged in the air flow path such that the aerosol is heated by the heating wire while passing through the air flow path.

Abstract: A heater assembly includes a heating element formed in a mesh having a tubular shape, and configured to generate heat when electricity is supplied, and a plurality of electrodes respectively connected to opposite end portions the heating element in a lengthwise direction, extending in a circumferential direction of the heating element, and configured to supply the electricity to the heating element.

Abstract: A cover assembly includes a mouthpiece including one end, that is configured to come into contact with a mouth of a user, and another end opposite to the one end, the mouthpiece configured to move to an open position and a closed position by rotation of the mouthpiece around the other end; and an accommodation unit for accommodating the one end of the mouthpiece in the closed position. The accommodation unit includes a button unit including a body, the button unit configured to contact the one end of the mouthpiece and to be displaced in a longitudinal direction based on the one end being pressed; and a locking unit including a body, the body of the locking unit including a first portion that is configured to contact the one end of the mouthpiece and a second portion that is configured to contact the button unit.

Abstract: Discloses is an aerosol generating device including: a main body; a cartridge detachably coupled to the main body and configured to contain an aerosol generating material; and an ultrasonic vibrator arranged in the cartridge, comprising electrodes on different surfaces, and configured to vibrate the aerosol generating material, wherein the electrodes are formed on the ultrasonic vibrator by deposition.

Abstract: An atomization assembly for an aerosol generating device includes an atomizer configured to atomize an aerosol generating material to generate an aerosol, a first liquid delivery element configured to absorb an aerosol generating material from a reservoir for storing the aerosol generating material, and a second liquid delivery element arranged between the first liquid delivery element and the atomizer and configured to deliver the aerosol generating material absorbed by the first liquid delivery element to the atomizer.