Abstract: An electrically heatable aerosol-generating device for an aerosol-generating article is provided, including a device housing including a receiving cavity within a proximal portion of the device to receive the article; a separating wall adjacent to a distal end portion of the cavity, separating the cavity within the proximal portion from a distal portion of the device; an electrical heating device to heat an aerosol-forming substrate within the article when the article is received in the cavity; and sensing circuitry including a field generator adjacent to the distal end portion opposite to a proximal end portion of the cavity within the wall or circumferentially around a perimeter or outer circumference of the wall, the circuitry to measure a change of a property of the generator caused by a presence of an indicator at or within the article when the article is received in the cavity. An aerosol-generating system is also provided.

Abstract: An electrically heatable aerosol-generating device for an aerosol-generating article is provided, the device including a device housing including a receiving cavity within a proximal portion of the device to receive at least a portion of the aerosol-generating article; a separating wall disposed adjacent to a distal end of the cavity, separating the cavity within the proximal portion from a distal portion of the device; at least one electrical heating device configured to heat an aerosol-forming substrate within the article when the article is received in the cavity; and sensing circuitry including a field generator disposed within the distal portion adjacent to the separating wall, the sensing circuitry being configured to measure a change of at least one property of the field generator caused by a presence of an indicator arranged within the article when the article is received in the cavity. An aerosol-generating system is also provided.

Abstract: A method is provided for measuring a temperature of a susceptor of an inductive heating arrangement configured to heat an aerosol-forming substrate, the inductive heating arrangement including: a cavity to receive the substrate, at least one inductor coil configured to generate a varying magnetic field when a varying electric current flows through the at least one inductor coil, at least one susceptor arranged relative to the at least one inductor coil such that the at least one susceptor is heatable by penetration of the varying magnetic field, the at least one susceptor being configured to heat the substrate, and at least one temperature sensor; and the method including: providing the at least one temperature sensor in thermal contact with the at least one susceptor, and measuring the temperature of the at least one susceptor when the varying electric current does not flow through the at least one inductor coil.

Abstract: A cartridge for an aerosol-generating system is provided, the cartridge including: a liquid storage portion including a housing to contain a liquid aerosol-forming substrate; and a heater assembly including an electrically insulating element having an opening, an electrical heating element supported by the insulating element and to heat the substrate to form an aerosol, first and second electrically conductive contact portions disposed at opposite sides of the opening and to contact with a battery to supply power to the heater assembly, and a capillary material including a ceramic or a ceramic-based material and having first and second faces, the first face being in physical contact with the heating element and the second face being opposite the first face, the capillary material to convey the substrate to the heating element by capillary action, the heater assembly being fixed to the housing of the liquid storage portion.

Abstract: The inductively heatable tobacco product for aerosol-generation comprises an aerosol-forming substrate containing a susceptor in the form of a plurality of particles. The aerosol-forming substrate is a crimped tobacco sheet comprising tobacco material, fibers, binder, aerosol-former and the susceptor in the form of the plurality of particles.

Abstract: An aerosol-generating system is provided, including a liquid storage portion including a container configured to hold a liquid aerosol-generating substrate and defining an opening; a heater assembly extending across the opening along a plane transverse to the opening and including at least one electrically operated heating element; and a first channel defining a first flow route, a portion of the first channel being arranged with respect to the plane transverse to the opening such that at least a portion of the first channel is configured to direct air originating from outside the system to impinge against and across a surface portion of the at least one electrically operated heating element. A method for guiding an airflow in an electrically operated aerosol-generating system is also provided.

Abstract: A fluid permeable heater assembly for an aerosol-generating system includes a cap and a substantially flat electrically conductive and fluid permeable heating element. The cap includes a hollow body with a first cap opening and a second cap opening. The first cap opening is opposite to the second cap opening. The heating element is configured to vaporize aerosol-forming substrate. The heating element is mounted on the cap, such that the heating element extends across the first cap opening. A cartridge for an aerosol-generating system includes the heater assembly, a liquid storage portion, a mouth piece, and a retainer.

Abstract: An aerosol-generating system includes a liquid storage portion configured to hold a liquid aerosol-forming substrate, a first electrode and a second electrode spaced from the first electrode, an aerosol-generator including one or more aerosol-generating elements and a control system. At least one of the aerosol-generating elements includes one of the first electrode and the second electrode. The first electrode and the second electrode are arranged such that at least a portion of the liquid storage portion is between the first electrode and the second electrode. The control system is configured to measure an electrical quantity between the first electrode and the second electrode and determine the amount of liquid aerosol-forming substrate held in the liquid storage portion based on the measured electrical quantity information.

Abstract: A cartridge system is provided, including a liquid storage portion including a housing to hold a liquid aerosol-forming substrate; a mouthpiece having an outlet opening removably connected to a first end of the storage portion; and a heater assembly including an electrical heating element to heat the substrate to form an aerosol, and a porous capillary material having a first face contacting part of the heating element and to convey the substrate to the heating element by capillary action, the heating element disposed across the first face of the material, the liquid storage portion disposed at a first side of the heater assembly and a first airflow channel disposed at a second side of the assembly and defining an airflow path directed at a center of the heating element, and part of a second airflow channel extending to the outlet opening via a central channel of the housing.

Abstract: A method is provided for measuring a temperature of a susceptor of an inductive heating arrangement configured to heat an aerosol-forming substrate, the inductive heating arrangement including: a cavity to receive the substrate, at least one inductor coil configured to generate a varying magnetic field when a varying electric current flows through the at least one inductor coil, at least one susceptor arranged relative to the at least one inductor coil such that the at least one susceptor is heatable by penetration of the varying magnetic field, the at least one susceptor being configured to heat the substrate, and at least one temperature sensor; and the method including: providing the at least one temperature sensor in thermal contact with the at least one susceptor, and measuring the temperature of the at least one susceptor when the varying electric current does not flow through the at least one inductor coil.

Abstract: An aerosol-generating device is provided, including a storage container containing a liquid aerosol-forming substrate; a heating element spaced from the container for vaporising the substrate to form an aerosol; a transfer element between the container and the heating element to receive and retain the substrate, and to be coupled with the heating element to supply the received substrate to the heating element, at least one of the transfer element and the heating element being movable between a loading position and a heating position, such that when the movable element is in the loading position, the transfer element is in fluid communication with the outlet of the container and/or with the heating element, and such that when the movable element is in the heating position, the transfer element is in fluid communication with the heating element and the heating element is activated to vaporise the substrate retained in the transfer element.

Abstract: A cartridge for an aerosol-generating system is provided, the cartridge including: a liquid storage portion including a housing containing a liquid aerosol-forming substrate; a heater assembly including an electrical heating element configured to heat the liquid aerosol-forming substrate to form an aerosol; and a capillary material disposed in contact with the electrical heating element and including a ceramic or a ceramic-based material, the capillary material being configured to convey the liquid aerosol-forming substrate to the electrical heating element, the electrical heating element being supported by a support element having an opening, and the heater assembly further includes first and second electrically conductive contact portions disposed at opposite sides of the opening and being configured to contact with an external electrical power supply. An aerosol-generating system including the cartridge is also provided.

Abstract: There is described an aerosol-forming substrate for use in combination with an inductive heating device. The aerosol-forming substrate comprises a solid material capable of releasing volatile compounds that can form an aerosol upon heating of the aerosol-forming substrate and at least a first susceptor material for heating of the aerosol-forming substrate. The first susceptor material is arranged in thermal proximity of the solid material. The aerosol-forming substrate further comprises at least a second susceptor material having a second Curie-temperature which is lower than a predefined maximum heating temperature of the first susceptor material. There is also described an aerosol-delivery system.

Abstract: A susceptor assembly for inductively heating an aerosol-forming substrate is provided, the susceptor assembly including a multi-layer susceptor tube defining a cavity configured to receive an induction coil inside the multi-layer susceptor tube, the multi-layer susceptor tube includes an inner tubular layer, which includes a first electrically conductive material, and an outer tubular layer surrounding the inner tubular layer, which includes a second electrically conductive material, and an electrical resistivity of the first electrically conductive material is greater than an electrical resistivity of the second electrically conductive material. An inductive heating assembly for inductively heating an aerosol-forming substrate, an aerosol-generating article for an aerosol-generating device, and an aerosol-generating system are also provided.

Abstract: An aerosol-generating system is provided, including: a liquid storage portion including a container configured to hold a liquid aerosol-forming substrate and defining an opening at an end thereof; a heater assembly extending across the opening along a plane transverse to a longitudinal axis of the portion and including an arrangement of one or more electrically conductive flat filaments; a capillary material disposed between the portion and the heater assembly and being configured to convey the substrate to the one or more filaments; and conductive contacts, disposed in electrical contact with corresponding contacts of the heater assembly, the portion being disposed at a first side of the heater assembly and a first airflow channel being disposed at a second side of the heater assembly, and the first airflow channel defining an airflow pathway that extends in a direction orthogonal to the plane and to a surface of the capillary material.

Abstract: There is provided a cartridge (300) for a handheld aerosol-generating system, comprising: a cartridge body (305) comprising an outer wall (325) and an inner airflow tube (320) within the outer body, wherein the inner airflow tube is spaced from the outer wall; and a reservoir (340) of aerosol-forming substrate between the outer wall and the inner airflow tube; wherein the outer wall and inner airflow tube are connected to one another through one or more ribs (326) extending between the outer wall and inner airflow tube, and wherein the outer wall, inner airflow tube and one or more ribs are integrally moulded. With this arrangement a robust cartridge can be inexpensively and reliably manufactured. The ribs provide mechanical support between the outer wall and the inner airflow tube. The integral moulding of the outer wall, inner airflow tube and one or more ribs can ensure or minimise leakage of liquid from the cartridge.

Abstract: A vaporiser assembly for an electrically operated aerosol-generating device is provided, including: a substantially planar, fluid-permeable heating element having opposing first and second sides; a liquid transport medium having a first side in contact with the second side of the heating element, a second side opposite to the first side, and a thickness between the first and the second sides of the medium is between 1 mm and 5 mm, the heating element extending over a first area of the first side of the medium; and a liquid supply conduit having a first end in contact with the second side of the medium and extending over only a second area of the second side of the medium, the second area being smaller than the first area, and the medium being configured to transport liquid from the conduit to the first area of the second side of the heating element.

Abstract: An aerosol-generating system is provided, including an aerosol-generating article including at least one component incorporating an aerosol-forming substrate; a luminescent material having a temperature-dependent phosphorescence characteristic; a heater configured to heat the luminescent material and the at least one component; and an aerosol-generating device including a support configured to at least partially receive the aerosol-generating article, a light source configured to illuminate and to excite the luminescent material, a detector configured to detect a temperature-dependent phosphorescence characteristic of the excited luminescent material, and electrical hardware configured to control heating by the heater based on the detected characteristic. A method for controlling the aerosol-generating system is also provided.

Abstract: There is provided a sachet of aerosol-forming substrate for an electrically heated aerosol-generating device, the sachet including an aerosol-forming substrate disposed within the sachet, and an electrical heater element including first and second electrically conductive portions, the electrical heater element being disposed within the sachet and in direct contact with the aerosol-forming substrate, and the first and the second electrically conductive portions are configured to connect the electrical heater element with an external power supply. An electrically operated aerosol-generating device for a sachet is also provided. And, a method of manufacturing a sachet is provided.

Abstract: An inductively heatable aerosol-generating article for an inductively heating aerosol-generating device is provided, the article including: an aerosol-forming rod segment having a cylindrical shape with a constant outer cross-section including an elongate susceptor element and an aerosol-forming substrate surrounding the susceptor element so as to define the cylindrical shape of the rod segment, the susceptor element including at least one narrower portion at each extreme end of the susceptor element, and the narrower portion at each extreme end including a reduced transverse cross-section as compared to one or more portions of the susceptor element along a length extension of the susceptor element including a maximum transverse cross-section of the susceptor element.