Abstract: An aerosol-generating system includes two substance sources, including a nicotine source and a second substance source, and a susceptor for heating any one of the two substance sources. The system also includes a power source connected to a load network, the load network including an inductor for being inductively coupled to the susceptor. The two substance sources are thermally coupled such that the other one of the two substance sources not heated by the susceptor is heatable by heat transfer from the one of the two substance sources that is heated by the susceptor. An aerosol-generating article includes a cartridge including a first compartment and a second compartment source, and a susceptor is arranged in any one of the first compartment or the second compartment.

Abstract: The aerosol-generating system comprises a nicotine source, a second substance source and a susceptor (2) for heating the nicotine source and the second substance source. The system further comprises a power source connected to a load network, the load network comprising an inductor for being inductively coupled to the susceptor. The invention also relates to an aerosol-generating article comprising a cartridge comprising a first compartment (11) with a nicotine source and a second compartment (12) with a second substance source and a susceptor arranged between the first compartment and the second compartment.

Abstract: The invention refers to an aerosol-generating article comprising a susceptor assembly (1). The susceptor assembly for heating an aerosol-forming substrate comprises a first susceptor material (11) having an elongate shape and being coated with a coating material (3). The assembly further comprises a second susceptor material provided in the form of a plurality of susceptor particles (12) and having a second Curie temperature below 500 degree Celsius, wherein the susceptor particles are embedded in the coating material.

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: An aerosol-generating system is provided, including: an aerosol-generating device, including a housing, a heating chamber defining a heating zone and being sized to receive at least a portion of an aerosol-forming substrate within the heating zone, an induction element disposed around, or adjacent to, the heating zone, a power supply, and a controller connected to the induction element and configured to provide an alternating electric current to the induction element to generate an alternating magnetic field within the heating zone, the induction element being configured to be controlled to sequentially provide a first alternating magnetic field having a first frequency for a first period of time followed by a second alternating magnetic field having a second frequency for a second period of time.

Abstract: An aerosol-generating system including a fluid-permeable electric heater assembly is provided, the fluid-permeable electric heater assembly including: an electrically insulating substrate; an aperture formed in the electrically insulating substrate; and a heater element fixed to the electrically insulating substrate, the heater element spanning the aperture and comprising a plurality of electrically conductive filaments connected to first and second electrically conductive contact portions, the first and the second electrically conductive contact portions disposed on opposite sides of the aperture to one another, and the plurality of electrically conductive filaments form interstices, the first and the second electrically conductive contact portions being configured to allow contact with an external power supply; and the aerosol-generating system having a longitudinal axis and the heater element being substantially flat and extending parallel to the longitudinal axis.

Abstract: An aerosol-generating system is provided, including a fluid-permeable electric heater assembly, the heater assembly including an electrically insulating substrate, an aperture being formed in the electrically insulating substrate, and a heater element having a first face fixed to the electrically insulating substrate, the heater element spanning the aperture and including a plurality of electrically conductive filaments connected to first and second electrically conductive contact portions, the first and second electrically conductive contact portions positioned on opposite sides of the aperture to one another, wherein the first and second electrically conductive contact portions are configured to allow contact with an external power supply.

Abstract: The aerosol-generating system comprises a nicotine source, a second substance source, a first susceptor (21) for heating the nicotine source and a second susceptor (22) for heating the second substance source. The system further comprises a power source connected to a load network, the load network comprising an inductor for being inductively coupled to the first susceptor (21) and to the second susceptor (22). The invention also relates to an aerosol-generating article comprising a cartridge comprising a first compartment (11) with a nicotine source and a first susceptor (21) and a second compartment (12) with a second substance source and a second susceptor (22).

Abstract: An electrically heated aerosol-generating system is provided, including an aerosol-generating device and a cartridge configured to be removably coupled with the device, the device including a device housing comprising a cavity configured to receive at least a portion of the cartridge when the device housing is engaged with the device housing, an inductor coil disposed 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; 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, at least a portion of the external surface being formed by a fluid permeable susceptor element configured to allow the aerosol-forming substrate, in liquid phase, to permeate therethrough.

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: There is provided a cartridge for an aerosol-generating system, including a housing configured to hold an aerosol-forming substrate and having an opening; and a heater assembly including at least one heater element fixed to the housing and extending across the opening of the housing, wherein the at least one heater element defines a plurality of apertures configured to allow fluid to pass through the at least one heater element, and wherein apertures of the plurality of apertures have different sizes. There is also provided an aerosol-generating system, including an aerosol-generating device and the cartridge. And, there is provided a method of manufacturing a cartridge for an aerosol-generating system.

Abstract: A heater assembly for an aerosol-generating system is provided, including: an electrically insulating support having an aperture; an electrical heating element disposed across the aperture in the electrically insulating support, being configured to heat a liquid aerosol-forming substrate to form an aerosol, and being substantially flat; capillary material, wherein a portion of the capillary material is in contact with the electrical heating element, and the capillary material is configured to convey the liquid aerosol-forming substrate to the electrical heating element; and two electrical contacts respectively connected to ends of the electrical heating element, the two electrical contacts supported by the electrically insulating support. An aerosol-generating system including an aerosol-generating device and a cartridge is 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: An assembly for an aerosol-generating system is provided, including: a liquid storage portion configured to hold a liquid aerosol-forming substrate; a mouthpiece having an outlet opening at a proximal end; and a heater assembly including an electrical heating element configured to heat the substrate to form an aerosol, and a porous capillary material disposed in contact with the heating element and including a ceramic or a ceramic-based material, the heating element being disposed along a surface of the capillary material, the liquid storage portion being disposed at a first side of the heater assembly and a first airflow channel is disposed at a second side of the heater assembly, the first airflow channel defining an airflow path that extends in a direction perpendicular to the surface of the capillary material and is directed at a center of the heating element. An aerosol-generating system and a heater assemble are also provided.

Abstract: An aerosol-generating system is provided, including: an aerosol-generating device including a power source; and a cartridge removably coupled to the device, the cartridge including a liquid storage portion including a housing having an open end and containing a liquid aerosol-forming substrate, a substantially flat heater assembly fixed to the open end of the housing and including an electrical heating element arranged in a curved manner and configured to heat the substrate to form an aerosol, and a capillary material disposed in contact with the heating element and being configured to convey the substrate to the heating element, the liquid storage portion being disposed at a first side of the assembly and an airflow channel at a second side of the assembly, the airflow channel defining an airflow path over the assembly and configured to convey the aerosol, and the power source being configured to supply power to the assembly.

Abstract: There is provided a cartridge for an aerosol-generating system, including a housing configured to hold an aerosol-forming substrate and having an opening; and a heater assembly including at least one heater element fixed to the housing and extending across the opening of the housing, wherein the at least one heater element defines a plurality of apertures configured to allow fluid to pass through the at least one heater element, and wherein apertures of the plurality of apertures have different sizes. There is also provided an aerosol-generating system, including an aerosol-generating device and the cartridge.

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 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: 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 housing having a chamber sized to receive at least a portion of an aerosol-forming substrate, the chamber defining a heating zone; a first coil disposed at least partially around, or adjacent to, the heating zone; and a second coil disposed at least partially around, or adjacent to, the heating zone, the first coil being a drive coil couplable to a source of alternating current, and the second coil being a resonant coil of a resonant circuit, the second coil being inductively couplable to the first coil.