Abstract: A dielectrically heatable aerosol-generating system is provided, including: an aerosol-forming substrate; a first electrode and a second electrode; and an aerosol-generating device including a controller configured to connect to the first electrode and the second electrode, in which the first electrode and the second electrode form a capacitor with a portion of the aerosol-forming substrate, in which the controller is further configured to supply an alternating voltage to the first electrode and the second electrode for dielectrically heating the aerosol-forming substrate, and in which the first electrode and the second electrode are configured to be spaced apart by a separation distance of between about 4 millimeters and about 9 millimeters. An aerosol-generating article for a dielectrically heated aerosol-generating system is also provided.

Abstract: An aerosol-generating system is provided, including: an aerosol-forming substrate; a first electrode and a second electrode spaced apart from the first electrode; an aerosol-generating device including a power supply, and a controller configured to connect to the first electrode and the second electrode; and a capacitor including the first electrode, the second electrode, and at least a portion of the aerosol-forming substrate, the controller being configured to supply an alternating voltage to the first electrode and the second electrode for dielectrically heating the aerosol-forming substrate, measure or determine an electrical property between the first electrode and the second electrode, and control heating of the aerosol-forming substrate based on the measured or determined electrical property.

Abstract: A shisha device comprises a cooling element (13) disposed along an airflow channel to cool an aerosol. The cooling element unit utilizes active cooling and may additionally utilize passive cooling. The cooling element may comprise a conduit (21) comprising a thermally conductive material. The cooling element may be integrally formed with an accelerating element (14) disposed along the airflow channel. Cooling may occur before or during acceleration of the aerosol by the accelerating element. The cooling may contribute to the condensation in the aerosol.

Abstract: An aerosol-generating device is provided for heating an aerosol-forming substrate to generate an aerosol, the aerosol-generating device including: an electromagnetic field generator configured to generate radio-frequency (RF) electromagnetic radiation having a predetermined frequency composition; a resonant chamber including a peripheral wall configured to be substantially opaque to RF electromagnetic radiation within the resonant chamber; and a filling arranged within an interior of the resonant chamber so as to circumscribe a substrate cavity defined within the resonant chamber, the substrate cavity being configured to receive the aerosol-forming substrate, the electromagnetic field generator being coupled to the resonant chamber so as to convey the RF electromagnetic radiation generated by the electromagnetic field generator to the resonant chamber, and the filling having a relative permittivity of greater than one.

Abstract: A shisha device (10) comprises an aerosol-generating element (11) for receiving an aerosol-forming substrate (12). The shisha device also comprises a vessel (17) spaced from the aerosol-generating element and defining an interior for housing a volume of liquid. The vessel comprises a head space outlet (15). The shisha device also comprises an aerosol conduit (21) positioned between the aerosol-generating element and the interior of the vessel. The aerosol conduit comprises a proximal end portion defining a proximal opening (24) positioned to receive airflow from the aerosol-generating element, a distal end portion defining a distal opening (26) positioned in the interior of the vessel, and a ventilation opening (30) positioned between the proximal and distal end portions. A ratio between the total aperture area of the ventilation opening and a transverse cross-sectional area of the aerosol conduit positioned proximate to the ventilation opening is at most 1:1000.

Abstract: A shisha system comprising an aerosol-generating article (90) and a shisha device (50). The aerosol-generating article (90) comprises an aerosol-forming substrate (92). The shisha system further comprises a first electrode (15) and a second electrode (16). The shisha device (50) comprises a liquid cavity (54) configured to contain a volume of liquid, the liquid cavity (54) having a head space outlet (60); an article cavity (14) configured to receive an aerosol-forming substrate (92), the article cavity (14) being in fluid communication with the liquid cavity (54). The shisha device further comprises an oscillation circuit (10) configured for connection to the first electrode (15) and the second electrode (16).

Abstract: A method includes generating an aerosol by heating, without combusting, an aerosol generating substrate (300) in a shisha device (100). The method further includes introducing at least one aerosol condensation particle to an airflow path (103) of the shisha device. The airflow path (103) carries the aerosol generated by the aerosol generating substrate to an outlet (104) of the shisha device for delivery to a user.

Abstract: A shisha device includes a vessel, an aerosol-generating element in fluid communication with the vessel, and a chamber between the vessel and the aerosol-generating element. The chamber is in fluid communication with the vessel and the aerosol-generating element. The chamber comprises an inlet configured to accelerate air containing aerosol that flows through the inlet from the aerosol-generating element.

Abstract: A shisha device for heating an aerosol-forming substrate to generate an aerosol is provided, the shisha device including: a liquid cavity containing a volume of liquid through which aerosol generated by the shisha device is drawn before inhalation by a user, the liquid cavity having a head space outlet; an article cavity to receive the aerosol-forming substrate, the article cavity being in fluid communication with the liquid cavity; and an electromagnetic field generator to generate a radio frequency (RF) electromagnetic field in the article cavity, the electromagnetic field generator including a magnetron or a solid state RF transistor. A shisha system is also provided, including the shisha device and the aerosol-generating article. An aerosol-generating article for the shisha system is also provided.

Abstract: An aerosol-generating device is provided, including: a first storage portion; a first liquid aerosol-forming substrate contained within the first storage portion; an electrospray device to generate a first aerosol from the first liquid aerosol-forming substrate, the electrospray device including a nozzle to receive the first liquid aerosol-forming substrate from the first storage portion, and a voltage circuit including a circuit ground, the voltage circuit to apply a voltage difference between the first liquid aerosol-forming substrate and the circuit ground; a second storage portion; a second liquid aerosol-forming substrate contained within the second storage portion; a heater to heat second liquid aerosol-forming substrate from the second storage portion; and a mixing chamber in fluid communication with the nozzle and the heater, the heater being downstream of the nozzle. A method of generating a mixed aerosol by the aerosol-generating device is also provided.

Abstract: An aerosol-generating device for heating an aerosol-forming substrate to generate an aerosol is provided, the aerosol-generating device including: a substrate cavity configured to receive an aerosol-forming substrate; and an electromagnetic field generator including a solid state radio frequency (RF) transistor and being configured to generate a RF electromagnetic field in the substrate cavity. A method for generating an aerosol from an aerosol-forming substrate is also provided. An aerosol-generating article is also provided.

Abstract: An aerosol-generating element for generating an aerosol in a shisha device, the aerosol-generating element comprising a receptacle for receiving an aerosol-forming substrate and a photonic device configured to generate a beam of IR radiation, wherein the aerosol-generating element is arranged to heat the aerosol-forming substrate by directing the beam of IR radiation onto the aerosol-forming substrate. The invention is further directed to a shisha device comprising the aerosol-generating element, an aerosol-generating system comprising both the shisha device and an aerosol-generating article, and a method for forming an aerosol in a shisha device.

Abstract: A cartridge for a radiation heated aerosol-generating device. A wall of the cartridge defines a cavity. An aerosol-forming substrate is housed within the cavity. The outer surface of the wall of the cartridge comprises a high emissivity material. The invention further relates to an aerosol-generating device for use with the cartridge, and to an aerosol-generating device or a shisha device comprising the aerosol-generating device, to a system comprising both the aerosol-generating device and the cartridge, and to a method for forming an aerosol in an aerosol-generating device.

Abstract: A shisha cartridge (200) comprises a body defining a cavity (218). An aerosol-forming substrate (300) and an absorbent carrier (310) forming a sheet impregnated with an aerosol former are disposed in the cavity. The absorbent carrier may be disposed adjacent or in contact with the internal cavity surface, the aerosol-forming substrate, or both the internal cavity surface and the aerosol-forming substrate. As the cartridge is heated, the aerosol former impregnated in the absorbent carrier may improve aerosol formation.

Abstract: A shisha cartridge comprises a body defining a cavity and an internal cavity surface. The cartridge comprises an aerosol-forming substrate disposed in the cavity and comprises a layer of gel disposed in the cavity adjacent the internal cavity surface. As the cartridge is heated, the gel may improve aerosol formation.

Abstract: An aerosol-generating article (500) includes an aerosol-forming substrate (511) and an absorbent carrier (512) impregnated or impregnatable with an aerosol former. The aerosol-generating article may be received in an aerosol-generating device that includes a heating element for heating the aerosol-forming substrate. The system may be configured such that the absorbent carrier is disposed between the aerosol-forming substrate and the heating element. As the aerosol generating article is heated, the aerosol former impregnated in the absorbent carrier may improve aerosol formation.

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: A shisha device (10) comprises an aerosol-generating element (11) for receiving an aerosol-forming substrate (12). The shisha device also comprises a vessel (17) spaced from the aerosol-generating element and defining an interior for housing a volume of liquid. The vessel comprises a head space outlet (15). The shisha device also comprises an aerosol conduit (21) positioned between the aerosol-generating element and the interior of the vessel. The aerosol conduit comprises a proximal end portion defining a proximal opening (24) positioned to receive airflow from the aerosol-generating element, a distal end portion defining a distal opening (26) positioned in the interior of the vessel, and a ventilation opening (30) positioned between the proximal and distal end portions. A ratio between the total aperture area of the ventilation opening and a transverse cross-sectional area of the aerosol conduit positioned proximate to the ventilation opening is at most 1:1000.

Abstract: An aerosol-generating device is provided, including: a heating element configured to heat an aerosol-forming substrate to generate an aerosol; a temperature sensor configured to measure a temperature of the heating element; an aerosol-monitor for measuring an aerosol property including at least one of a physical property and a chemical composition of a generated aerosol, the aerosol-monitor being disposed at or along a flow channel downstream of the heating element; a controller configured to adjust a power supplied to the heating element based on: i) a measured heating element temperature in a first feedback control loop, and ii) a measured aerosol property in a second feedback control loop; and an auxiliary aerosol controller for adjusting aerosol properties of the generated aerosol, the controller is further configured to adjust at least one control variable for the auxiliary aerosol controlling means based on the measured aerosol property in the second feedback control loop.

Abstract: A shisha device comprises a cooling element (13) disposed along an airflow channel to cool an aerosol. The cooling re) element unit utilizes active cooling and may additionally utilize passive cooling. The cooling element may comprise a conduit (21) comprising a thermally conductive material. The cooling element may be integrally formed with an accelerating element (14) disposed along the airflow channel. Cooling may occur before or during acceleration of the aerosol by the accelerating element. The cooling may contribute to the condensation in the aerosol.