In some embodiments, a system includes a cartridge assembly and a pen assembly. The cartridge assembly includes a mouthpiece assembly and a bracket cartridge assembly. The mouthpiece assembly includes a mouthpiece component defining a mouthpiece opening and an outer housing defining a vapor outlet and including a recessed sidewall portion. The pen assembly includes a pen housing and a bracket assembly configured to engage with the bracket cartridge assembly of the cartridge assembly such that a temperature of a coil of a wick assembly of the cartridge assembly may be increased such that a carrier material disposed near the coil may be vaporized by the coil. When the cartridge assembly is engaged with the pen housing, the recessed sidewall portion of the outer housing and an inner surface of the pen housing form a fluid path from the vapor outlet to the mouthpiece opening.

In some embodiments, a system includes a cartridge assembly and a pen assembly. The cartridge assembly includes a mouthpiece assembly and a bracket cartridge assembly. The mouthpiece assembly includes a mouthpiece component defining a mouthpiece opening and an outer housing defining a vapor outlet and including a recessed sidewall portion. The pen assembly includes a pen housing and a bracket assembly configured to engage with the bracket cartridge assembly of the cartridge assembly such that a temperature of a coil of a wick assembly of the cartridge assembly may be increased such that a carrier material disposed near the coil may be vaporized by the coil. When the cartridge assembly is engaged with the pen housing, the recessed sidewall portion of the outer housing and an inner surface of the pen housing form a fluid path from the vapor outlet to the mouthpiece opening.

Systems and methods for a smoking device for smoking a substance, the smoking device including: a hollow body, configured to hold the substance, wherein the hollow body includes: a tube defining a combustion bore within having vents, each of the vents being covered by a flap of a plurality of flaps having an initial shape configured to cover that vent, wherein when a combustion front of substance recedes into the combustion bore, any flap of the flaps that is heated to a threshold temperature bends away uncovering the vent it covers, and, when cooled, that flap regains its initial shape so as to cover that vent.

Systems and methods for a smoking device for smoking a substance, the smoking device including: a hollow body, configured to hold the substance, wherein the hollow body includes: a tube defining a combustion bore within having vents, each of the vents being covered by a flap of a plurality of flaps having an initial shape configured to cover that vent, wherein when a combustion front of substance recedes into the combustion bore, any flap of the flaps that is heated to a threshold temperature bends away uncovering the vent it covers, and, when cooled, that flap regains its initial shape so as to cover that vent.

A handheld hookah includes a gas valve assembly including a gas valve and a central shaft. The gas valve includes a first air duct and a second air duct. The central shaft includes a third air duct and a fourth air duct. The first air duct and the second air duct each includes a first end and a second end. When in use, the handheld hookah is placed vertically and added with water, a liquid level of the water is lower than that of the first end of the second air duct, but higher than that of the second end of the first air duct. The first end of the first air duct is connected to the third air duct so that the smoke goes into the first air duct from the third air duct. The second end of the first air duct is disposed in the water.

According to an exemplary embodiment, provided is an aerosol generation apparatus including: a liquid cartridge comprising a storage unit configured to store an aerosol-generating substrate which is liquid-type and an atomizer configured to generate aerosol by heating the aerosol-generating substrate; a mouth tip located at one end of the aerosol generation apparatus and comprising a filter unit configured to adsorb at least one material included in the generated aerosol; and an aerosol heating unit configured to heat the generated aerosol when the generated aerosol is inhaled by a user through the mouth tip.

According to an exemplary embodiment, provided is an aerosol generation apparatus including: a liquid cartridge comprising a storage unit configured to store an aerosol-generating substrate which is liquid-type and an atomizer configured to generate aerosol by heating the aerosol-generating substrate; a mouth tip located at one end of the aerosol generation apparatus and comprising a filter unit configured to adsorb at least one material included in the generated aerosol; and an aerosol heating unit configured to heat the generated aerosol when the generated aerosol is inhaled by a user through the mouth tip.

The present disclosure provides, in one embodiment, an electronic smoking device comprising a mouthpiece; a vaporizer portion in communication with the mouthpiece; a filter cartridge assembly in communication with the mouthpiece; an inlet check valve; and an outlet check valve. The vaporizer portion comprises a heating element for heating a smoking material housed within the vaporizer portion. The inlet check valve permits air to be inhaled from the vaporizer portion into the mouthpiece, but substantially prohibits air from being exhaled through the mouthpiece into the vaporizer portion. The outlet check valve permits air to be exhaled through the mouthpiece into the filter cartridge assembly, but substantially prohibits air from being inhaled from the filter cartridge assembly into the mouthpiece.

The present disclosure provides, in one embodiment, an electronic smoking device comprising a mouthpiece; a vaporizer portion in communication with the mouthpiece; a filter cartridge assembly in communication with the mouthpiece; an inlet check valve; and an outlet check valve. The vaporizer portion comprises a heating element for heating a smoking material housed within the vaporizer portion. The inlet check valve permits air to be inhaled from the vaporizer portion into the mouthpiece, but substantially prohibits air from being exhaled through the mouthpiece into the vaporizer portion. The outlet check valve permits air to be exhaled through the mouthpiece into the filter cartridge assembly, but substantially prohibits air from being inhaled from the filter cartridge assembly into the mouthpiece.

A capsule for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.