A composite wick is provided for use in a micro-vaporizer having a fluid reservoir and a heating element. The composite wick comprises a wick body positionable so that its upstream surface is in fluid communication with the fluid reservoir and the downstream surface is disposed in opposition to a surface of the heating element. The wick body comprises at least one base wick structure having a plurality of tortuous passages that collectively provide a capillary effect to draw fluid from the reservoir and transport it toward the downstream surface. The wick body further comprises an active material positioned within the wick body so that vaporizable fluid drawn through the wick body contacts and interacts with the active material. The active material is selected to impart a desired characteristic to the vaporizable fluid.

The disclosure discloses an electronic cigarette atomizer and an electronic cigarette, including an outer casing, wherein the outer casing is provided inside with an atomization cavity, a gas outlet is provided at a top end of the atomization cavity, a gas inlet is provided at a bottom end of the atomization cavity, the atomization cavity is provided inside with an atomization assembly, and the atomization assembly includes an oil guiding cotton swab, an electric heating wire wound around outer periphery of the oil guiding cotton swab, and an oil guiding cotton cloth layer covering the top of the oil guiding cotton swab.

Apparatus and methods are described for use with a vaporizer that vaporizes at least one active ingredient of a plant material. In response to receiving a first input to the vaporizer, the plant material is heated, in a first heating step. An indication of the temperature of the plant material is detected, and, in response to detecting an indication that the temperature of the plant material is at a first temperature, the first heating step is terminated, by withholding causing further temperature increase of the plant material. The first temperature is less than 95 percent of the vaporization temperature of the active ingredient. Subsequently, a second input is received at the vaporizer. In response thereto, the plant material is heated to the vaporization temperature, in a second heating step. Other applications are also described.

Vaporizer cartridges and vaporizer apparatuses, and methods for making, using and delivering vapor to a user, that are leak-resistant for use with cannabinoids. In particular, described herein are leak-resistant vaporizer cartridges and apparatuses adapted for use with oil-based vaporizable materials including cannabis oils.

A portable vaporizing device and/or cartridge comprises a product chamber capable of holding a vaporizable product therein, and a porous valve element configured to be heated to flow the vaporizable product therethrough and generate vapor from the vaporizable product, and optionally including a heat transfer element to heat the vaporizable product as it flows through the product chamber towards the porous valve element.

An aerosol generating system including a housing defining an airflow outlet; a liquid aerosol-forming substrate; an aerosol generator, configured to generate an aerosol from the liquid aerosol-forming substrate; a perforated plate disposed between the aerosol generator and the airflow outlet, the perforated plate defining a plurality of apertures extending through the perforated plate; and an electrode disposed between the aerosol generator and the perforated plate, wherein the perforated plate is electrically conductive, and wherein the electrode and the perforated plate are configured to generate an electrical potential.

A method for supplying a liquid to an inhaler cartridge includes a housing body including an accommodation space capable of accommodating a liquid, a first opening communicating with the accommodation space and opened in a first direction, and a second opening communicating with the accommodation space and opened in a second direction substantially perpendicular to the first direction, and a cap configured to be formed separately from the housing body and close the first opening. The method includes closing the first opening with the cap, and after the first opening is closed, supplying the liquid to the accommodation space through the second opening.

Vaporizer cartridges and vaporizer apparatuses, and methods for making, using, and/or delivering vapor to a user are described. In some aspects, leak-resistant vaporizer cartridges and/or apparatuses adapted for use with oil-based vaporizable materials including cannabis oils are described.

An aerosol generating system including a housing defining an airflow outlet; a liquid aerosol-forming substrate; an aerosol generator, configured to generate an aerosol from the liquid aerosol-forming substrate; a perforated plate disposed between the aerosol generator and the airflow outlet, the perforated plate defining a plurality of apertures extending through the perforated plate; and an electrode disposed between the aerosol generator and the perforated plate, wherein the perforated plate is electrically conductive, and wherein the electrode and the perforated plate are configured to generate an electrical potential.

Vaporizer cartridges and vaporizer apparatuses, and methods for making, using and delivering vapor to a user, that are leak-resistant for use with cannabinoids. In particular, described herein are leak-resistant vaporizer cartridges and apparatuses adapted for use with oil-based vaporizable materials including cannabis oils.