A cartridge for an e-vaping device includes a reservoir configured to hold pre-vapor formulation, a vaporizer assembly configured to draw at least some of the pre-vapor formulation from the reservoir and vaporize the drawn pre-vapor formulation to form a vapor, and a superabsorbent polymer configured to absorb free water from pre-vapor formulation held in the reservoir. The superabsorbent polymer includes a cross-linked polyacrylate copolymer that is substantially inert to the pre-vapor formulation. The superabsorbent polymer may be included in a layer on one or more surfaces in the cartridge. The layer may include the superabsorbent polymer and a binder. The superabsorbent polymer may be included with the pre-vapor formulation in a formulation mixture. The superabsorbent polymer may be included in an interior of at least one element comprising the cartridge. The superabsorbent polymer may be included in a separate compartment in the reservoir.

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.

A rotary switch electronic cigarette includes a cylindrical electronic cigarette body, wherein: the electronic cigarette body from top to bottom is divided into a retractable smoking nozzle portion, an electric heating portion, and a rotary switch controlling portion. The retractable smoking nozzle portion snaps on the electrically retractable smoking nozzle portion, and snaps on an upper end of the rotary switch controlling portion. The electric heating portion is connected to an upper end of the rotary switch controlling portion in a screw thread manner. The invention has the aesthetical appearance, overall compact design, and is clean and hygiene, convenient to carry, easy to use and observe, wherein the tobacco shred and ash are not likely to leak.

A vaporiser assembly for an aerosol-generating system may include a capillary element made from porous glass. The capillary element has a first end and a second end. The vaporiser assembly further comprises a heater element. The first end of the capillary element is configured to be fluidically connected to a liquid storage portion. The heater element is provided at the second end of the capillary element. The pore size of the capillary element is configured to allow a liquid aerosol-forming substrate from the liquid storage portion to be conveyed from the first end to the second end of the capillary element by capillary action. The capillary element has a pore size gradient such that an average pore size of the capillary element transitions or varies from larger pores at the first end of the capillary element to smaller pores at the second end of the capillary element.

A vaporizing device generally having a tank, power component, battery, and shroud is disclosed. The power component may include a frame defining a slot configured to receive the tank in an upright position, such that a portion of the tank is adjacent to the power component when the tank is in position. The battery may be coupled to the frame of the power component. The shroud may be configured to be positioned around the battery and coupled to the frame. The battery may be activated when the shroud is compressed radially inward. The device may include a port for connection to an external power supply for recharging the battery. The device may be portable with a generally compact configuration in order to allow a user to comfortably hold the device in the palm of the hand.

Systems and methods are provided for aerosolizing and delivering therapeutic substances in an electronic aerosol delivery device with airflow regulation. Calibrated airflow resistance settings enable adjustment and control of flow velocity and or flow volume of air, aerosolized air, and or entrained aerosol particles, through the device, for optimal aerosol delivery among diverse conditions and applications.

An electronic vaporization assembly includes: a vaporization core having a heating element and a vaporization core body, the vaporization core body having a porous structure; a vaporization base having a vaporization top base, a vaporization bottom base, and a microgroove structure, the vaporization top base and the vaporization bottom base forming a vaporization cavity, the vaporization core being fixed between the vaporization top base and the vaporization bottom base, the microgroove structure including a plurality of microgrooves, and the plurality of microgrooves being provided on a surface of at least one of the vaporization top base and the vaporization bottom base in contact with the vaporization core body; and a liquid storage tank sleeved on the vaporization base.

A diverging vaporization module includes: an accommodating cavity for accommodating an aerosol-forming matrix; a heating component, a thermal insulation component, and a diverging airway arranged outside the accommodating cavity; and an air inlet and an air outlet respectively configured for air intake and exhaust. The air inlet is respectively in communication with the accommodating cavity and an air inlet end of the diverging airway and the air outlet is respectively in communication with the accommodating cavity and an air outlet end of the diverging airway so that an aerosol entering the air inlet flows out through the accommodating cavity and the diverging airway.

An electrically heated aerosol generating system for receiving an aerosol-forming substrate includes at least one heating element for heating the substrate to form the aerosol and a power supply for supplying power to the at least one heating element. The power supply includes a voltage source, two or more supercapacitors, and switches between the voltage source and the two or more supercapacitors. The switches are arranged so that, during a charging mode, the supercapacitors are connected so as to be charged by the voltage source and, during a heating mode, the supercapacitors are connected so as to discharge through the at least one heating element.

A melt spun tobacco composition, e.g., in flake or particle form, for oral use in a mammal made by melt spinning comprising tobacco and/or a tobacco extract and at least one material which is solid at room temperature, which melts at or below 500° F., and carries from 1% to 70% of tobacco when processed through melt spinning, and solidifies again in less than 5 seconds after melt spinning.