Abstract: An aerosol-generating system may include a liquid storage portion, a vaporizer, and a pump. The liquid storage portion may be configured to store a liquid aerosol-forming substrate. The vaporizer may be configured to volatilize the liquid aerosol-forming substrate. The pump may be configured to pump air into the liquid storage portion so as to push out a volume of the liquid aerosol-forming substrate from the liquid storage portion and to supply the volume of the liquid aerosol-forming substrate to the vaporizer. A method for generating an aerosol may be performed with the system.

Abstract: An aerosol-generating device is provided, including: a first housing portion defining a cavity configured to receive an aerosol-generating article; a second housing portion extending from the first housing portion, the second housing portion being movable relative to the first housing portion; an electric heater; a power supply; and a controller configured to supply power from the power supply to the electric heater, the electric heater being positioned within the first housing portion, and at least one of the power supply and the controller being positioned within the second housing portion. An aerosol-generating system including the aerosol-generating device and an aerosol-generating article is also provided.

Abstract: A heater assembly for an aerosol-generating system is provided, the heater assembly including: a liquid aerosol-forming substrate including at least two compounds, the first compound having a first boiling point and the second compound having a second boiling point; a retention material containing the liquid aerosol-forming substrate; and a heating element configured to heat the retention material by passing a current along a length of the heating element, the heating element being formed from a band of material, and a cross-sectional area of the band of material progressively decreasing along a length of the band of material from a maximum cross-sectional area of the band of material at a first end of the band of material to a minimum cross-sectional area of the band of material at a second end of the band of material, to provide a temperature gradient along a surface of the retention material.

Abstract: An aerosol-generating device is provided, including: a cavity configured to receive an aerosol-generating article, the cavity including a first end and a second end; a first opening at the first end of the cavity and a second opening at the second end of the cavity, the aerosol-generating article being configured to be inserted into the cavity through each of the first opening and the second opening; and an actuator arranged to move the aerosol-generating article through the cavity. An aerosol-generating system including an aerosol-generating article and the aerosol-generating device is also provided. An aerosol-generating article is also provided.

Abstract: A heater assembly for an aerosol-generating system is provided, the heater assembly including: a liquid aerosol-forming substrate storage component; a reservoir of free-flowing liquid aerosol-forming substrate, the reservoir being in fluid communication with the liquid aerosol-forming substrate storage component; and a heating element including a first portion, a second portion, and a further portion, in which the first portion of the heating element is embedded in the liquid aerosol-forming substrate storage component, the second portion of the heating element is not embedded in the liquid aerosol-forming substrate storage component, and the further portion of the heating element is located in the reservoir. An aerosol-generating system including the heater assembly is also provided.

Abstract: A method of generating an aerosol in an aerosol-generating system includes storing liquid aerosol-forming substrate in a liquid storage portion and delivering via a pump a liquid aerosol-forming substrate from the liquid storage portion to an atomizer. The method also includes sensing a puff via a a puff sensor in an airflow path of the aerosol-generating system and determining a puff intensity during the puff via a controller. The delivery flow rate of the liquid aerosol-forming substrate to the atomizer is adjusted in response to the determined puff intensity.

Abstract: A heater assembly for an aerosol-generating system is provided, the heater assembly including: a retention material containing an aerosol-forming substrate in condensed form, the aerosol-forming substrate including first and second compounds, the second compound having a higher boiling point than the first compound; at least one airflow path defined through the retention material; and at least one heating element shaped to define an interior volume filled with the retention material and having a cross-sectional area that decreases along a longitudinal axis, the at least one airflow path passes through a first central region of the interior volume and a second central region of the interior volume, the first and the second central regions being spaced-apart along the longitudinal axis, and a resistance of the at least one heating element increasing along the longitudinal axis in a same direction that the cross-sectional area of the interior volume decreases.

Abstract: A cartridge for an aerosol-generating system is provided, the cartridge including: a reservoir configured for liquid aerosol-forming substrate; a heating element configured to heat the liquid aerosol-forming substrate from the reservoir; and a wall including a porous material, such that: a first space adjacent to the heating element and between the wall and the heating element forms a hot zone, a second space adjacent to the heating element forms a feed zone, the reservoir is in fluid communication with the feed zone and the hot zone, at least a portion of the wall is positioned between the hot zone and the reservoir, the wall is in contact with the hot zone and the reservoir, and a portion of the wall in contact with the feed zone is thinner than a portion of the wall in contact with the hot zone.

Abstract: An aerosol-generating device is provided for heating an aerosol-forming substrate in a substantially cylindrical aerosol-generating article, the device including: a longitudinally extending cavity to receive a distal portion of the article, the cavity having a longitudinal axis and defined by a base, side walls extending from the base, and an opening at an opposite end of the cavity to the base, internal surfaces of the side walls defining a stabilising portion of the cavity having a first diameter, and a heating portion of the cavity being located between the stabilising portion and the base, the heating portion having a second diameter greater than the first diameter, and the internal surfaces further defining a locating portion at a distal end of the cavity, the heating portion being disposed between the stabilising and locating portions, the locating portion having a third diameter substantially equal to the first diameter.

Abstract: An aerosol-generating device is provided, including an aerosolisation chamber configured to receive an aerosol-generating article including an aerosol-forming substrate; an air inlet configured such that ambient air may flow therethrough and into the aerosol-generating device; and an airflow path fluidly connecting the air inlet with the aerosolisation chamber, the air inlet being disposed in a recessed portion of an outer surface of the aerosol-generating device, and the recessed portion having a length of more than 10 mm and being configured to prevent blocking of the air inlet by a user. A system is also provided, including the aerosol-generating device and a mouthpiece element.

Abstract: A shisha device article includes a vessel and an aerosol-generating element. The vessel defines an interior configured to contain a volume of liquid. The vessel also includes a head space outlet. The aerosol-generating element is in fluid connection with the vessel. The aerosol-generating element includes (i) a cartridge receptacle for receiving a cartridge containing an aerosol-generating substrate; (ii) a heating element defining at least two surfaces of the cartridge receptacle; and (iii) an aerosol outlet in fluid connection with the cartridge receptacle and a fresh air inlet channel in fluid connection with the cartridge receptacle. The fresh air inlet channel is arranged to preheat air prior to the air entering the cartridge receptacle.

Abstract: An aerosol-generating system is provided, including: an aerosol-forming substrate; and a venturi element including an airflow channel, the airflow channel including an inlet portion, a central portion, and an outlet portion, and the inlet portion is configured to converge towards the central portion with an inlet angle of between 1° and 19°, and the outlet portion is configured to diverge from the central portion.

Abstract: A shisha consumable cartridge includes a housing having an exterior surface sized and shaped for operable insertion into a shisha device. The cartridge further includes a first chamber in the housing; a first aerosol-generating substrate in the first chamber; a second chamber in the housing and adjacent to the first chamber. A second aerosol-generating substrate in the second chamber. The compositions of the first aerosol-generating substrate and the second aerosol-generating substrate may be the same or different. The first chamber defines a first fresh air inlet and an opposing first aerosol outlet, such that, in use, fresh air entering the first fresh air inlet carries aerosol generated from through the first aerosol outlet. The second chamber defines a second fresh air inlet and an opposing second aerosol outlet, such that, in use, fresh air entering the second fresh air inlet carries aerosol generated from through the second aerosol outlet.

Abstract: An aerosol-generating system may include a liquid storage portion, a vaporizer, and a pump. The liquid storage portion may be configured to store a liquid aerosol-forming substrate. The vaporizer may be configured to volatilize the liquid aerosol-forming substrate. The pump may be configured to pump air into the liquid storage portion so as to push out a volume of the liquid aerosol-forming substrate from the liquid storage portion and to supply the volume of the liquid aerosol-forming substrate to the vaporizer. A method for generating an aerosol may be performed with the system.

Abstract: A shisha cartridge comprises a body defining a cavity. An aerosol-forming substrate is disposed in the cavity. The cartridge also comprises a heatable surface area. The ratio of the heatable surface area of the cartridge to the volume of the cavity is in a range from about 1 cm?1 to about 4 cm?1. The maximum inner width of the cavity may be 4 cm. The height of the cavity may be 3 cm or greater.

Abstract: An aerosol-generating system may include a liquid storage portion, a vaporizer, and a pump. The liquid storage portion may be configured to store a liquid aerosol-forming substrate. The vaporizer may be configured to volatilize the liquid aerosol-forming substrate. The pump may be configured to pump air into the liquid storage portion so as to push out a volume of the liquid aerosol-forming substrate from the liquid storage portion and to supply the volume of the liquid aerosol-forming substrate to the vaporizer. A method for generating an aerosol may be performed with the system.

Abstract: A method of generating an aerosol in an aerosol-generating system includes storing liquid aerosol-forming substrate in a liquid storage portion and delivering via a pump a liquid aerosol-forming substrate from the liquid storage portion to an atomizer. The method also includes sensing a puff via a a puff sensor in an airflow path of the aerosol-generating system and determining a puff intensity during the puff via a controller. The delivery flow rate of the liquid aerosol-forming substrate to the atomizer is adjusted in response to the determined puff intensity.

Abstract: A method of generating an aerosol in an aerosol-generating system includes storing liquid aerosol-forming substrate in a liquid storage portion and delivering via a pump a liquid aerosol-forming substrate from the liquid storage portion to an atomizer. The method also includes sensing a puff via a a puff sensor in an airflow path of the aerosol-generating system and determining a puff intensity during the puff via a controller. The delivery flow rate of the liquid aerosol-forming substrate to the atomizer is adjusted in response to the determined puff intensity.

Abstract: An aerosol-generating system may include a liquid storage portion, a vaporizer, and a pump. The liquid storage portion may be configured to store a liquid aerosol-forming substrate. The vaporizer may be configured to volatilize the liquid aerosol-forming substrate. The pump may be configured to pump air into the liquid storage portion so as to push out a volume of the liquid aerosol-forming substrate from the liquid storage portion and to supply the volume of the liquid aerosol-forming substrate to the vaporizer. A method for generating an aerosol may be performed with the system.

Abstract: A method of generating an aerosol in an aerosol-generating system includes storing liquid aerosol-forming substrate in a liquid storage portion and delivering via a pump a liquid aerosol-forming substrate from the liquid storage portion to an atomizer. The method also includes sensing a puff via a a puff sensor in an airflow path of the aerosol-generating system and determining a puff intensity during the puff via a controller. The delivery flow rate of the liquid aerosol-forming substrate to the atomizer is adjusted in response to the determined puff intensity.