The present disclosure relates to an aerosol delivery device that includes a reservoir housing that defines a mouthpiece channel. The aerosol delivery device includes a sealing member configured to be received within the reservoir housing to define a reservoir chamber configured to retain an aerosol precursor composition therein. The aerosol delivery device also includes a substrate member that is configured to be received within the reservoir housing and to be directly engaged with a vaporizing assembly for forming an aerosol. The reservoir housing, sealing member, substrate member, and/or vaporizing assembly can be used for forming aerosols with precise and reproducible compositions.

An aerosol vaporization device includes: a trigger signal receiving unit for receiving a trigger signal; a detection unit for detecting an operating parameter, the operating parameter including at least one measured parameter of the aerosol vaporization device; a control unit for obtaining the operating parameter fed back by the detection unit when receiving the trigger signal transmitted by the trigger signal receiving unit and outputting a pulse signal after encoding the operating parameter; and a light-emitting diode (LED) unit for modulating a display level according to the pulse signal transmitted by the control unit and output a pulse display level, the display level representing an operating state of the aerosol vaporization device, the pulse display level being provided to a test device for detection and to obtain the operating parameter according to the pulse display level.

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.

An aerosol-generating system may include a cartridge, a heater section, and an aerosol-generating device. The cartridge may include a cartridge housing, a solid aerosol-forming substrate positioned within the cartridge housing, and a liquid aerosol-forming substrate positioned within the cartridge housing. The heater section is separate from the cartridge and includes an electric heater. The aerosol-generating device may include a device housing configured to receive the cartridge and a power supply for supplying electrical power to the electric heater. The power supply may be positioned within the device housing.

A system includes a converter configured to electrically couple to a power source and to a heating element of a vaporizer atomizer. The converter can be further configured to receive a first voltage from the power source and provide a second voltage to the heating element. The converter can be a direct-current to direct-current converter. A power monitor configured to electrically couple to the heating element, measure a current through the heating element, measure a voltage over the heating element, calculate a power and/or resistance, and output a control signal to the converter. The converter can be configured to be controlled by the control signal to vary the second voltage to maintain a target power or a target temperature over the heating element. Related apparatus, systems, techniques and articles are also described.

An aerosol delivery device is provided that includes a power source, a heating element, a switch coupled to and between the power source and the heating element, and processing circuitry coupled to the switch. The processing circuitry outputs a PWM signal during a heating time period to cause the switch to switchably connect and disconnect the output voltage to the heating element to power the heating element. The processing circuitry outputs a pulse of known current to the heating element, and measure voltage across the heating element, between adjacent pulses of the PWM signal. And the processing circuitry calculates the resistance of the heating element based on the known current and the voltage, calculates the temperature of the heating element based on the resistance, and adjusts a duty cycle of the PWM signal when the temperature deviates from a predetermined target.

Certain aspects of present invention relate to electronic cigarettes. In certain embodiments, the electronic cigarettes may include a vaporizer and e-liquid storage tank combo, and a power module. The vaporizer and e-liquid storage tank combo may include a heating element having a positive terminal and a negative terminal to receive electrical energy from a battery of the power module to heat e-liquid in direct contact with surfaces of a cylindrical vaporizer and a vaporizer connector having a circular base and the circular base having an external multiple threads connector. The power module may have a power connector having the battery, a positive terminal, a negative terminal, and an internal multiple threads connector. The external multiple threads connector of the vaporizer and e-liquid storage tank combo is threadedly connected to the internal multiple threads connector of the power connector of the power module.

The present disclosure relates to an aerosol delivery device that includes a reservoir housing that defines a mouthpiece channel. The aerosol delivery device includes a sealing member configured to be received within the reservoir housing to define a reservoir chamber configured to retain an aerosol precursor composition therein. The aerosol delivery device also includes a substrate member that is configured to be received within the reservoir housing and to be directly engaged with a vaporizing assembly for forming an aerosol. The reservoir housing, sealing member, substrate member, and/or vaporizing assembly can be used for forming aerosols with precise and reproducible compositions.

A smoking article and a method for making a smoking article are provided. The smoking article includes an aerosol-generating element configured to produce an aerosol in response to heat, a housing defining a cavity configured to receive the aerosol-generating element therein, a heating element engaged with the housing and configured to provide heat to the aerosol-generating element, a power source in electrical communication with the heating element and configured to provide electrical energy thereto, the heating element producing heat in response to the electrical energy, an aerosol-generating element identification device configured to identify an attribute of the aerosol-generating element, and a control device in communication with the aerosol-generating element identification device and configured to modulate the electrical energy provided to the heating element by the power source to direct the heating element to heat the aerosol-generating element to an aerosolization temperature associated with the identified attribute of the aerosol-generating element.

An electronic cigarette control method and an electronic cigarette. The method comprises: S1, reading the available smoking time when an atomization circuit of the electronic cigarette is in a turn-off state and the electronic cigarette detects a user's smoking action; S2, determining whether or not the available smoking time is equal to or less than the first preset value to obtain a first determination result; S3, when the first determination result is YES, outputting a prompt message to remind the user that e-liquid is almost to be exhausted, and outputting the available smoking time and/or available smoking times of the electronic cigarette; S4, determining whether the available smoking time is greater than the second preset value to obtain a second determination result; S5, controlling the atomization circuit to stay in the turn-off state when the second determination result is NO.