Abstract: An aerosol-generating device is provided, including: a cavity configured to receive an aerosol-generating article including an aerosol-forming substrate; and an induction heating arrangement including an induction coil and a susceptor assembly, the susceptor assembly including a central susceptor arrangement arranged centrally within the cavity, and a peripheral susceptor arrangement arranged distanced from and around the central susceptor arrangement, and the central susceptor arrangement including at least two central susceptors. A system is also provided, including the aerosol-generating device, and an aerosol-generating article including an aerosol-forming substrate.

Abstract: An aerosol-generating article is provided, including: a first tubular aerosol-forming substrate layer defining a cylindrical hollow central core; and a second tubular aerosol-forming substrate layer arranged around the first tubular aerosol-forming substrate layer, the first tubular aerosol-forming substrate layer being a gel layer. A method of manufacturing an aerosol-generating article, a method of generating an aerosol, and an aerosol-generating system are also provided.

Abstract: The invention relates to an aerosol-generating device comprising a main body, a mouthpiece, which is configured removably attachable to the main body and a two-piece Venturi portion. The two-piece Venturi portion comprises an inlet portion, an outlet portion, a main airflow channel extending between the inlet portion and the outlet portion and a constricted airflow channel arranged in the main airflow channel. The inlet portion of the two-piece Venturi portion is at least partly arranged in the main body when the mouthpiece is attached to the main body, and the outlet portion of the two-piece Venturi portion is at least partly arranged in the mouthpiece or integrated with the mouthpiece.

Abstract: An aerosol-generating article is provided, including: a rod of aerosol-generating substrate including an aerosol former, the substrate having an aerosol former content of greater than 10 percent on a dry weight basis; a hollow tubular support element immediately downstream of the rod; and a first aerosol-cooling element downstream of the support element and including a hollow tubular segment including peripheral and transverse walls at a location between upstream and downstream ends of the tubular segment such that it defines a first cavity upstream of the transverse wall and a second cavity downstream of the transverse wall, the transverse wall including openings establishing fluid communication between the first and second cavities, and the peripheral wall including openings located at longitudinal positions away from the transverse wall so that fluid communication between an exterior of the tubular segment and at least one of the first and second cavities is established.

Abstract: The invention relates to an aerosol-generating device. The device may comprise a main body (10) that may comprise a connection portion (16). The device may further comprise a removable mouthpiece (12) that may comprise a first connection element (14). The first connection element may be configured removably engageable with the connection portion of the main body. The first connection element may be configured to irreversibly change upon disengagement of the first connection element from the connection portion of the main body.

Abstract: An aerosol-generating device is provided, including: a cavity to receive an aerosol-generating article including an aerosol-forming substrate; and an induction heating arrangement including susceptor arrangement and an induction coil, the susceptor arrangement including at least two elongate susceptors, the susceptors being arranged in the cavity, the susceptor arrangement having a flared shape at a downstream end, and an upstream end of each susceptor being attached to a base of the cavity. A system including the an aerosol-generating device and an aerosol-generating article is also provided.

Abstract: An electronic aerosol-generating device includes a housing extending between first and second ends along a longitudinal axis. The second end of the housing defines a cavity for receiving a consumable containing an aerosol generating substrate. The device further includes a heating component comprising a heating element extending along the longitudinal axis within the cavity and configured to penetrate into the aerosol generating substrate when the consumable is inserted into the cavity. The heating element comprises a material having a Curie temperature of less than 500° C. The device also includes an inductor comprising an inductor coil positioned to transfer magnetic energy to the heating element. The inductor is configured to induce eddy currents and/or hysteresis losses in the heating element. The device further includes a power supply operably connected to the inductor and control electronics operably connected to the power supply and configured to control heating of the heating element.

Abstract: An aerosol-generating system is provided, including: an aerosol-generating element; a housing including an upper surface, a lower surface, and a plurality of regions; an interface element including a plurality of contact sensing elements, each contact sensing element being configured to generate an input signal responsive to that contact sensing element detecting contact with the upper surface at or near one of the plurality of regions; and a circuit configured to receive the input signals from the plurality of contact sensing elements and to enable a first function of the aerosol-generating system responsive to a first plurality of the input signals satisfying a first criterion, satisfaction of the first criterion being part of a multi-step authentication procedure, the first criterion including the circuit receiving a predefined number of the input signals simultaneously. A method of operating an aerosol-generating system including an aerosol-generating element is also provided.

Abstract: An aerosol-generating device is provided, including: a cavity to receive an aerosol-generating article including an aerosol-forming substrate, the cavity including a base, and the base including at least one air aperture; an induction heating arrangement including a susceptor arrangement and an induction coil, and being arranged at least partly surrounding or forming the cavity; and a thermally insulating element arranged between the susceptor arrangement and the induction coil, the thermally insulating element being sealingly attached to the base so as to prevent lateral airflow in a direction perpendicular to a longitudinal axis of the device into the cavity at the base of the cavity, and one or more sidewalls of the susceptor arrangement are permeable and configured for lateral airflow to enter the cavity in the direction perpendicular to the longitudinal axis of the device.

Abstract: An aerosol-generating device is provided, including: a cavity configured to receive an aerosol-forming substrate; an external heating element of the aerosol-generating device configured to exclusively externally heat the aerosol-forming substrate when the aerosol-forming substrate is received in the cavity; and an elongate temperature sensor provided in the cavity and being configured to penetrate the aerosol-forming substrate when the aerosol-forming substrate is received in the cavity. An aerosol-generating system, and a method of generating an inhalable aerosol in an aerosol-generating device, are also provided.

Abstract: The invention relates to an aerosol-generating device comprising a cavity (10) for receiving an aerosol-generating article (12) containing aerosol-forming substrate (18). The device further comprises a resilient sealing element (38) having a ring shape. The resilient sealing element is arranged surrounding a downstream end of the cavity. The resilient sealing element is configured to interact with the aerosol-generating article received in the cavity by abutting the aerosol-generating article.

Abstract: A method of forming homogenized tobacco material is provided, including forming a homogenized slurry including tobacco powder; casting the homogenized slurry onto a moving belt; incorporating a porous reinforcement sheet into the cast homogenized slurry; and drying the cast homogenized slurry with the incorporated porous reinforcement sheet to form the homogenized tobacco material, the porous reinforcement sheet having anisotropic properties such that the porous reinforcement sheet has a higher tensile strength in a longitudinal direction thereof than in a transverse direction thereof.

Abstract: An electronic aerosol-generating device includes a housing extending between first and second ends along a longitudinal axis. The second end of the housing defines a cavity for receiving a consumable containing an aerosol generating substrate. The device further includes a heating component comprising a heating element extending along the longitudinal axis within the cavity and configured to penetrate into the aerosol generating substrate when the consumable is inserted into the cavity. The heating element comprises a material having a Curie temperature of less than 500° C. The device also includes an inductor comprising an inductor coil positioned to transfer magnetic energy to the heating element. The inductor is configured to induce eddy currents and/or hysteresis losses in the heating element. The device further includes a power supply operably connected to the inductor and control electronics operably connected to the power supply and configured to control heating of the heating element.

Abstract: An inductive heating arrangement is provided, including: a first inductor coil to generate a first varying magnetic field when a varying electric current flows through the first coil; a second inductor coil to generate a second varying magnetic field when a varying electric current flows through the second coil; and a tubular-shaped flux concentrator around the first coil and to distort the first field, including a main portion around the first coil and having an inner diameter, first and second ends, a first end portion having an inner diameter smaller than that of the main portion, and a second end portion having an inner diameter smaller than that of the main portion, an inner surface of the flux concentrator defining an annular channel between the first and second end portions, and the first inductor coil being disposed within the annular channel between the first and second end portions.

Abstract: An atomizing assembly includes a tubing section having an inlet end and an outlet end. The inlet end of the tubing section is connectable to a liquid storage portion, and the outlet end of the tubing section is in fluid communication with an atomizing nozzle. The tubing section is configured to deliver a flow of liquid aerosol-forming substrate through the atomizing nozzle. The atomizing nozzle includes an air channel configured to establish an air flow through the nozzle. The air flow is mixed with the flow of liquid aerosol-forming substrate.

Abstract: A system for determining a resistivity of a heating system for an aerosol generating article, the system including: a receptacle configured to receive a plurality of elements, each element including a heating system to be tested; and a testing assembly including: a plurality of sensors, each sensor including at least a pair of electrical contacts configured to pass an electric current therethrough and being configured to obtain signals related to properties of the heating system of each of the plurality of elements, and a processor configured to receive the signals obtained by the sensors and determine a resistivity of the heating system of each of the plurality of elements, the sensors being biasedly held in the testing assembly.

Abstract: An aerosol-generating article is provided, including a rod of aerosol-generating substrate; an aerosol-cooling element downstream of the rod and including a hollow tubular segment including a peripheral wall, the segment extending along a longitudinal axis and having a downstream end in fluid communication with an upstream end, the segment further including at least one elongated protrusion extending from the peripheral wall into an interior of the segment, the protrusion extending longitudinally from an upstream position on the wall to a downstream position on the wall; and a wrapper circumscribing the rod and the aerosol-cooling element, the protrusion being a deflecting fin configured to change a direction of flow of an aerosol flowing from the upstream to the downstream end the segment, and the fin being twisted along a length of the segment.

Abstract: A vaporizing assembly for an aerosol-generating system may comprise a delivery device and a heater assembly. The heater assembly may comprise a heat resistive substrate and a heating element. The delivery device is configured to deliver an aerosol-forming substrate to at least a surface of the heat resistive substrate, wherein the heating element is isolated or separated from the aerosol-forming substrate by the heat resistive substrate. The present disclosure is also directed to a method for generating an aerosol.

Abstract: An aerosol-generating device is provided, including: a housing defining a chamber configured to receive at least a portion of an aerosol-generating article; an inductor coil disposed around at least a portion of the chamber; an elongate susceptor element projecting into the chamber; and a power supply and a controller connected to the inductor coil and configured to provide an alternating electric current to the inductor coil such that the inductor coil generates an alternating magnetic field to heat the elongate susceptor element and thereby heat at least a portion of an aerosol-generating article received in the chamber, the elongate susceptor element including an elongate support body and at least one heating portion formed from a susceptor layer on an outer surface of the elongate support body, and the elongate support body being formed from a thermally insulative material and the susceptor layer including one or more susceptor materials.

Abstract: An aerosol-generating device is provided, including a chamber; an inductor coil disposed around at least a portion of the chamber; an elastic susceptor element disposed within the chamber and having a tubular shape configured to receive at least a portion of an aerosol-generating article within the elastic susceptor element; and a power supply and a controller connected to the inductor coil and configured to provide an alternating electric current to the inductor coil such that the inductor coil generates an alternating magnetic field to inductively heat the elastic susceptor element and thereby heat at least a portion of the aerosol-generating article received within the elastic susceptor element.