Abstract: An inductively heatable susceptor for use with an inductively heated aerosol-generating device or system includes an open-porous inductively heatable ceramic material configured to hold an aerosol-forming liquid and configured to heat the aerosol-forming liquid under the influence of an alternating electromagnetic field. A cartridge for use with an aerosol-generating device includes an aerosol-forming liquid and a susceptor. An aerosol-generating device includes a susceptor.

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: There is described an aerosol-forming substrate for use in combination with an inductive heating device. The aerosol-forming substrate comprises a solid material which is 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 the aerosol-forming substrate. The at least first susceptor material is arranged in thermal proximity of the solid material. The aerosol-forming substrate further comprises at least a second susceptor material which has a second Curie-temperature which is lower than a first Curie-temperature of the first susceptor material. The second Curie-temperature of the second susceptor material corresponds to a predefined maximum heating temperature of the first susceptor material. There is also described an aerosol-delivery system.

Abstract: A smoking article is provided, including: a combustible heat source having front and rear ends; an aerosol-forming substrate downstream of the rear end; an outer wrapper circumscribing the substrate and at least a rear portion of the heat source; one or more airflow pathways along which air may be drawn through the article for inhalation; one or more third air inlets downstream of the substrate for drawing air into the airflow pathways; and an airflow directing element downstream of the substrate, the third air inlets being provided between a downstream end of the substrate and a downstream end of the airflow directing element, the airflow pathways include an airflow pathway extending between the third air inlets and a mouth end of the article, and the heat source being isolated from the pathways such that air drawn through the article along the pathways does not directly contact the heat source.

Abstract: An aerosol-generating article is provided, including: a plurality of elements assembled within a wrapper in the form of a rod having a mouth end and a distal end upstream from the mouth end, the plurality of elements including an aerosol-forming substrate disposed at or towards the distal end of the rod; and a susceptor configured to heat the aerosol-forming substrate, the susceptor including a first susceptor material and a second susceptor material being different from the first susceptor material, the second susceptor material being plated, deposited, or welded onto the first susceptor material, the susceptor being an elongate susceptor having a length dimension that is greater than a width dimension thereof or than a thickness dimension thereof, the susceptor being disposed in a radially central position within the aerosol-forming substrate, and the second susceptor material having a Curie temperature that is lower than 500° C.

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 vaporise 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 electrically heatable aerosol-generating system is provided, including an aerosol-generating device and a cartridge configured to be used with the aerosol-generating device, the aerosol-generating device including: a device housing, an inductor coil, and a power supply connected to the inductor coil and configured to provide a high-frequency oscillating current to the inductor coil; and the cartridge including: a cartridge housing configured to engage the device housing and containing an aerosol-forming substrate, the cartridge housing having an external surface surrounding the aerosol-forming substrate, and a fluid-permeable susceptor element. A cartridge for an electrically heatable aerosol-generating system 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: An inductive heating arrangement to heat an aerosol-forming substrate is provided, including: a DC power source and power supply electronics including a DC/AC inverter connected to the power source, the inverter including a resonant switching power amplifier with a transistor switch, a transistor switch driver circuit associated with the switch and an LC load network including a capacitor and an inductor to generate an alternating magnetic field, the driver circuit including a tunable oscillator to output a switching signal to the switch having a tunable switching frequency; a current sensor to determine a DC supply current drawn from the power source; and a controller to receive a current signal from the sensor indicative of the supply current and to tune the frequency of the switching signal in response to the received current signal in order to tune the supply current to be in a predetermined range.

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: 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: 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: An aerosol-generating system including a cartridge is provided, the cartridge including a liquid storage portion including a housing configured to hold a liquid aerosol-forming substrate, the housing having an opening; and a heater assembly including at least one heater element fixed to the housing and extending across an opening of the housing, wherein a width of the at least one heater element of the heater assembly is smaller than a width of the opening of the housing. The heater element may be spaced from a periphery of the opening, leading to more efficient heating and aerosol production.

Abstract: A split airflow system for an electrically heatable smoking system for generating aerosol is provided, the system having a downstream end, the system including: a first channel defining a first flow route; and a second Channel defining a second flow route, the first flow route directing ambient air from outside the split airflow system to the downstream end of the split airflow system, the second flow route directs ambient air from outside the split airflow system towards a substantially flat, fluid-permeable heating element before conveying the ambient air to the downstream end, and the first channel and the second channel define a total volume of ambient air passing through the split airflow system and the first channel provides at least 50 percent of the total volume of ambient air passing through the split airflow system.

Abstract: An inductively heatable susceptor for use with an inductively heated aerosol-generating device or system includes an open-porous inductively heatable ceramic material configured to hold an aerosol-forming liquid and configured to heat the aerosol-forming liquid under the influence of an alternating electromagnetic field. A cartridge for use with an aerosol-generating device includes an aerosol-forming liquid and a susceptor. An aerosol-generating device includes a susceptor.

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: An aerosol-generating device is provided, including: a housing having a chamber, an induction coil around at least part of the chamber; a heating compartment to receive an aerosol-generating article, being detachably insertable into the chamber, and including a cavity to receive the article; and a heating element arrangeable within and extending into the cavity in a longitudinal direction, configured to penetrate an aerosol-forming substrate included in the article and received in the cavity, the compartment further including a first open end to receive the article, and a second, base end opposite the first open end, the first open end and the base end connected by side surfaces including openings and locking elements, and the chamber including recesses corresponding to the locking elements to facilitate a snap-fit when the compartment is inserted into the chamber, the compartment further including a press button to allow release of the snap-fit connection.

Abstract: An aerosol-generating device is provided, including: an induction heater configured to heat an aerosol-forming substrate, the induction heater including an induction coil and a heating element, the heating element being arrangeable within the induction coil, and the induction coil having a varying pitch. An aerosol generating system is also provided, including the aerosol generating device and an aerosol generating article including an aerosol-forming substrate.

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 element including a susceptor configured to heat, the susceptor being arranged as multiple elongate elements forming a hollow tubular arrangement with gaps between individual elongate elements, the susceptor including a thermally deformable element arranged in the cavity, and the thermally deformable element being configured to thermally deform during a heating operation to contact and hold the aerosol-generating article received in the cavity during a heating operation. A system including the aerosol-generating device and an aerosol-generating article is also provided.

Abstract: A cartridge for an electrically heatable aerosol-generating system is provided, the system including an aerosol-generating device, the cartridge configured to be used with the device, the device including a device housing defining a cavity to receive the cartridge, an inductor coil around or adjacent to the cavity, and a power supply connected to the coil and to provide a high-frequency oscillating current; the cartridge including: a cartridge housing to engage the device housing and containing an aerosol-forming substrate, the cartridge housing having an external surface, at least part of which is formed by a fluid permeable susceptor element that is electrically isolated from any other electrically conductive components; a first capillary material in the cartridge housing in contact with the susceptor element; and a second capillary material in the cartridge housing in contact with the first material, the first material having a higher thermal decomposition temperature than the second material.