Abstract: There is provided a cartridge for use in an aerosol-generating system, the aerosol-generating system including an aerosol-generating device, the cartridge configured to be used with the device, wherein the device includes a device housing, an inductor coil positioned on or within the housing, and a power supply connected to the inductor coil and configured to provide a high frequency oscillating current to the inductor coil, the cartridge including a cartridge housing containing an aerosol-forming substrate and a ferrite mesh susceptor element positioned to heat the aerosol-forming substrate.

Abstract: A fluid permeable heater assembly for aerosol-generating systems includes an electrically conductive flat filament arrangement and a first contact point and a second contact point for electrically contacting the flat filament arrangement. A longitudinal axis is defined between the first contact point and the second contact point. A center resistance Rc is the electrical resistance between two points situated on the longitudinal axis. One of the two points is situated at a distance from the first contact point equal to about 40 percent and the other one of the two points being situated at a distance from the first contact point equal to about 60 percent.

Abstract: A cartridge for an aerosol-generating system may comprise a liquid storage portion, which includes a housing holding a liquid aerosol-forming substrate. The housing has a first and a second opening. The cartridge may further comprise a first and a second permeable planar heater assembly, wherein the first permeable planar heater assembly is fixed to the housing and extends across the first opening of the housing, and the second permeable planar heater assembly is fixed to the housing and extends across the second opening of the housing. The first and second permeable planar heater assemblies are arranged opposite each other such that they face each other and form an airflow channel in between.

Abstract: There is provided a cartridge for use in an aerosol-generating system, the aerosol-generating system including an aerosol-generating device, the cartridge configured to be used with the device, wherein the device includes a device housing, an inductor coil positioned on or within the housing, and a power supply connected to the inductor coil and configured to provide a high frequency oscillating current to the inductor coil, the cartridge including a cartridge housing containing an aerosol-forming substrate and a ferrite mesh susceptor element positioned to heat the aerosol-forming substrate.

Abstract: The split airflow system for an electrically heated smoking system for generating aerosol, the split airflow system having a downstream end comprises a first channel defining a first flow route and a second channel defining a second flow route. The first flow route directs ambient air from outside the system to the downstream end of the system. The second flow route directs ambient air from outside the system towards a preferably substantially flat, fluid permeable, heating element before conveying the ambient air to the downstream end. The first channel and the second channel define a total volume of ambient air passing through the system and the first channel provides at least 50 percent of the total volume of ambient air passing through the system. The invention also refers to a method for guiding an airflow in an electrically heated smoking system for generating aerosol and an electrically heated smoking system comprising the split airflow system.

Abstract: An aerosol-generating article may include a base layer, at least one aerosol-forming substrate positioned on the base layer, and a cover layer overlying the at least one aerosol-forming substrate and secured to the base layer so that the at least one aerosol-forming substrate is sealed between the base layer and the cover layer. The cover layer includes a polymeric film comprising at least one of a plurality of micropores and a plurality of microperforations.

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: An aerosol-generating system includes a storage portion configured to hold an aerosol-forming substrate, a first electrode, a second electrode spaced from the first electrode, and a control system. At least a portion of the storage portion is between the first electrode and the second electrode. The portion of the storage portion between the first electrode and the second electrode holds the aerosol-forming substrate when the aerosol-forming substrate is held in the storage portion. The control system is configured to measure an electrical quantity between the first electrode and the second electrode, and identify the liquid aerosol-forming substrate held in the storage portion based on the measured electrical quantity information.

Abstract: An aerosol-generating system includes a liquid-storage portion configured to hold a liquid aerosol-forming substrate, a first electrode, a second electrode, and a control system. The second electrode is spaced from the first electrode. At least a portion of the liquid storage portion is arranged 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 detect a draw on the aerosol-generating system based on the measured electrical quantity information.

Abstract: An aerosol-generating device configured to heat an aerosol-forming substrate is provided, including a power supply, a heater, a controller configured to control a supply of power from the power supply to the heater, and a combustion gas detector, wherein the controller is connected to the combustion detector and is configured to monitor a level of combustion gas based on signals from the combustion gas detector.

Abstract: There is provided an aerosol-generating system including an aerosol-generating device and an aerosol-forming cartridge including at least one aerosol-forming substrate, wherein in use the aerosol-forming cartridge is at least partially received within the aerosol-generating device. The system further includes at least one electric heater configured to heat the at least one aerosol-forming substrate, at least one air inlet, and at least one air outlet. The system further includes an air flow channel extending between the at least one air inlet and the at least one air outlet. The air flow channel is in fluid communication with the aerosol-forming substrate, and has an internal wall surface on which one or more flow disturbing devices are disposed, the flow disturbing devices being arranged to create a turbulent boundary layer in a flow of air drawn through the air flow channel.

Abstract: The inductive heating device (1) for aerosol-generation comprises a device housing (10) comprising a cavity (13) having an internal surface for receiving at least a portion of an aerosol-forming insert (2) comprising an aerosol-forming substrate and a susceptor. The device housing (10) further comprises a pin (14) extending into the cavity (13). The device (1) further comprises an induction coil (15) arranged along the pin (14) and a power source (11) connected to the induction coil (15) and configured to provide a high frequency current to the induction coil (15).

Abstract: There is provided a cartridge for an electrically heated aerosol-generating system, the electrically heated aerosol-generating system including an aerosol-generating device, the cartridge being configured to be used with the device, wherein the device includes a device housing; an inductor coil positioned in the device housing; and a power supply connected to the inductor coil and configured to provide a high-frequency oscillating current to the inductor coil; the cartridge includes a cartridge housing containing an aerosol-forming substrate, the housing having an internal surface surrounding an internal passage through which air can flow; and a susceptor element configured to heat the aerosol-forming substrate.

Abstract: An aerosol-generating article is provided, including a plurality of elements assembled in the form of a rod having a mouth end and a distal end upstream from the mouth end. The plurality of elements includes an aerosol-forming substrate disposed at or towards the distal end of the rod, and an elongate susceptor is disposed substantially longitudinally within the rod and in thermal contact with the aerosol-forming substrate, the susceptor be configured to allow the article to be consumed by an electrically-operated aerosol-generating device having an inductor.

Abstract: An electrically heated aerosol-generating system is provided, including an aerosol-generating device and a cartridge configured to be used with the device, the device including a device housing configured to engage at least a portion of the cartridge; an inductor coil positioned around or adjacent to the cavity; and a power supply connected to the inductor coil and configured to provide a high frequency oscillating current to the inductor coil; the cartridge including a cartridge housing configured to engage the device housing and containing an aerosol-forming substrate, the housing having an external surface surrounding the aerosol-forming substrate, at least a portion of the external surface being formed by a fluid-permeable susceptor 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: An inductive heating device (1) for heating an aerosol-forming substrate (20) comprising a susceptor (21) comprises: a device housing (10), a DC power source (11) for providing a DC supply voltage (VDC) and a DC current (IDC), a power supply electronics (13) comprising a DC/AC converter (132) comprising an LC load network (1323) comprising a series connection of a capacitor (C2) and an inductor (L2) having an ohmic resistance (RCoil), a cavity (14) in the device housing (10) for accommodating a portion of the aerosol-forming substrate (20) to inductively couple the inductor (L2) to the susceptor (21). The power supply electronics (13) further comprises a microcontroller (131) programmed to determine from the DC supply voltage (VDC) and from the DC current (IDC) an apparent ohmic resistance (Ra), and from the apparent ohmic resistance (Ra) the temperature (T) of the susceptor (21).

Abstract: An inductive heating device (1) for heating an aerosol-forming substrate (20) comprising a susceptor (21) comprises: a device housing (10), a DC power source (11) for providing a DC supply voltage(VDC) and a DC current (IDC), a power supply electronics (13) comprising a DC/AC converter (132), the DC/AC converter (132) comprising an LC load network (1323) comprising a series connection of a capacitor (C2) and an inductor (L2) having an ohmic resistance (RCoil), a cavity (14) in the device housing (10) for accommodating a portion of the aerosol-forming substrate (20) to inductively couple the inductor (L2) of the LC load network (1323) to the susceptor (21). The power supply electronics (13) further comprises a microcontroller (131) to determine from the DC supply voltage (VDC) and the DC current (IDC) an apparent ohmic resistance (Ra), and from the apparent ohmic resistance (Ra) the temperature (T) of the susceptor (21).

Abstract: This disclosure relates to nicotine powder inhalers where the nicotine powder is delivered at air flow rates that mimic a smoking regime.

Abstract: This disclosure relates to flavoured nicotine powder inhalers where the nicotine powder is delivered at air flow rates that mimic a smoking regime.