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 main body and a cartridge detachably coupled to the main body. The main body includes a controller, a battery, and a first wireless communication unit. The cartridge includes a second wireless communication unit. The controller controls output power of the battery to apply a power pattern to the cartridge, and the first wireless communication unit establishes a wireless connection with the second wireless communication unit when power supplied from the battery to the cartridge matches a preset power pattern.

Abstract: A vaporizer includes a storage storing a liquid aerosol generating material, a wick extending in one direction and absorbing the aerosol generating material through both end portions thereof that are connected to the storage, and a coil surrounding the wick a plurality of times at different winding intervals and heating the aerosol generating material absorbed by the wick, based on an absorption rate profile of the aerosol generating material which changes in the wick along the one direction.

Abstract: An aerosol generating device may include a heater configured to heat an aerosol generating material, a battery configured to supply power to the heater, and a controller. In addition, the aerosol generating device may further include a user input detection sensor configured to receive a user's input and a pressure detection sensor configured to sense pressure. The controller may, in response to the user's input being sensed by using the user input detection sensor, obtain an initial pressure sensing value by using the pressure detection sensor. In addition, the controller may determine a reference pressure value based on the initial pressure sensing value and determine whether a puff of the aerosol generating device has occurred based on the reference pressure value.

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: The gas sensor according to an exemplary embodiment of the present invention comprises: an FET device including one or more gate electrodes; a sensor array part including a plurality of sensors, in which a first electrode of each sensor is connected to at least one gate electrode of the plurality of gate electrodes in the FET device; and a controller detecting a gas using a current between a drain-source in response to voltage changes in the gate electrode of the FET device, wherein each sensor includes: a first electrode connected to a gate electrode of the FET device; a second electrode receiving an operating voltage through a switch controlled by the controller; and a detection film interposed between the first electrode and the second electrode.

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.

Abstract: A cartridge includes a storage configured to store an aerosol generating material; a heater configured to heat the aerosol generating material to generate aerosol; and at least one terminal configured to transfer power from an external battery to the heater and comprising a conductive structure surrounding a wire connected to the heater, wherein the conductive structure takes a compressed form in which the wire is in contact with the conductive structure.

Abstract: According to some embodiments, there is disclosed an aerosol generating device which includes: a main body including a controller and a battery; and a cartridge detachably coupled to the main body, wherein the controller periodically detects whether the cartridge is coupled to the main body while the aerosol generating device operates in a first mode, determines whether a preset period of time has elapsed based on the cartridge being determined to have been separated from the main body, and switches the aerosol generating device from the first mode to a second mode based on whether the cartridge is coupled to the main body before the preset period of time elapses.

Abstract: An aerosol generating device includes a first cartridge including a delivery hole for delivering an aerosol generated from the first material, a second cartridge including chambers for accommodating a second material passing an aerosol delivered from the first cartridge therethrough and is capable of changing a relative position of the first cartridge with regard to the second cartridge, a drive device for changing the relative position of the first cartridge and the second cartridge, and a controller for changing the relative position of the first cartridge with regard to the second cartridge so that at least one of the plurality of chambers passes the aerosol therethrough when a previously determined condition is satisfied.

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 device includes a first cartridge configured to accommodate a first material and comprising a delivery hole through which an aerosol generated from the first material is delivered; a second cartridge comprising a plurality of chambers for accommodating a second 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 the one of the first cartridge and the second cartridge moves with respect to the other.

Abstract: An aerosol generating device includes a main body and a cartridge detachably coupled to the main body. The main body includes a controller, a battery, and a first wireless communication unit. The cartridge includes a second wireless communication unit. The controller controls output power of the battery to apply a power pattern to the cartridge, and the first wireless communication unit establishes a wireless connection with the second wireless communication unit when power supplied from the battery to the cartridge matches a preset power pattern.

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: A vaporizer includes a storage storing a liquid aerosol generating material, a wick extending in one direction and absorbing the aerosol generating material through both end portions thereof that are connected to the storage, and a coil surrounding the wick a plurality of times at different winding intervals and heating the aerosol generating material absorbed by the wick, based on an absorption rate profile of the aerosol generating material which changes in the wick along the one direction.

Abstract: An aerosol generating apparatus according to an aspect includes a cartridge for accommodating an aerosol generating material, a processor, and an electronic circuit connected to the cartridge and the processor, wherein the processor detects a remaining amount of the aerosol generating material by using a fixed resistor included in the electronic circuit

Abstract: An aerosol generating device includes: a heater configured to generate an aerosol by heating an aerosol generating material; a proximity sensor configured to measure a distance between a user of the aerosol generating device and the aerosol generating device; and a controller electrically connected to the heater and the proximity sensor and configured to control the heater on the basis of the distance measured by the proximity sensor.

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.