Abstract: An aerosol-generating device is provided, including a housing having a chamber; an induction coil disposed around at least a portion of the chamber; a heating compartment configured to receive an aerosol-generating article and being detachably insertable into the chamber of the housing, the heating compartment including a cavity configured to receive at least a portion of the aerosol-generating article; and a heating element arrangeable within the cavity of the heating compartment, the heating element extending into the cavity in a longitudinal direction of the cavity, and being configured to penetrate an aerosol-forming substrate in the aerosol-generating article and received in the cavity.

Abstract: An inductive component is provided, including: a wire winding, around which a magnetic foil is wrapped; an electrical shielding, which surrounds the magnetic foil, the magnetic foil including at least one magnetic layer, the at least one magnetic layer including a magnetic material, and the magnetic material being a nanocrystalline iron alloy; and a non-magnetic and non-conductive insulating layer, which includes a plastic and which is disposed between the magnetic foil and the wire winding. A method for adjusting an inductance value of an inductive component is also provided.

Abstract: An aerosol-generating device includes a receiving sleeve which in turn includes an inner receiving zone for receiving a first aerosol-forming substrate, and an outer receiving zone extending across at least a portion of an outer circumferential periphery of the receiving sleeve for receiving a second aerosol-forming substrate. The device includes a heater for heating the first aerosol-forming substrate or the second aerosol-forming substrate.

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 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 aerosol-generating device is provided, including: a device cavity having proximal and distal ends, the proximal end to receive an aerosol-generating article; an inductive heating arrangement to heat the substrate and including: a susceptor arrangement heatable by penetration with a varying magnetic field to heat the substrate, a first LC circuit having a first resonance frequency and including a first inductor coil arranged towards the proximal end and a first capacitor, and a second LC circuit having a second resonance frequency different from the first resonance frequency and including a second inductor coil arranged towards the distal end and a second capacitor, and the second coil has a different number of turns than that of the first coil; and a controller to initiate heating of the substrate by driving a first varying current in the first coil and subsequently driving a second varying current in the second coil.

Abstract: An aerosol-generating device is provided, including a housing defining a chamber having an open end configured for insertion of an aerosol-generating article into the chamber and a closed end disposed opposite the open end; a flat spiral inductor coil disposed at the closed end of the chamber; a susceptor element disposed within the chamber at the closed end; and a power supply and a controller connected to the flat spiral inductor coil and configured to provide an alternating electric current to the flat spiral inductor coil such that the flat spiral inductor coil is configured to generate an alternating magnetic field to inductively heat the susceptor element and thereby to heat at least a portion of an aerosol-generating article received within the chamber.

Abstract: An aerosol-generating device is provided, including: a housing having a chamber configured to receive at least a portion of an aerosol-forming article; a first helical inductor coil disposed at least partially around the chamber; a second helical inductor coil disposed at least partially around, or adjacent to, the chamber; and an elongate susceptor element configured to be inductively heatable by one or both of the first and the second helical inductor coils to heat at least a portion of an aerosol-forming substrate which is part of the aerosol-forming article, when the aerosol-forming substrate is at least partially received in the chamber. An aerosol-generating system including the aerosol-generating device 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 configured for removable attachment to the housing within the chamber and projecting into the chamber when the element is removably attached to the housing; an aperture positioned on a side of the housing, the aperture and the element being configured for insertion of the element into the chamber through the aperture and configured for removal of the element from the chamber through the aperture; and a power supply and a controller connected to the coil and to provide an alternating electric current to the coil such that the coil generates an alternating magnetic field to heat the element and thereby heat at least a portion of the article received within the chamber.

Abstract: An aerosol-generating device is provided, including a housing having a chamber configured to receive at least a portion of an aerosol-forming article; a first coil disposed at least partially around, or adjacent to, the chamber; and a second coil disposed at least partially around, or adjacent to, the chamber, the first coil being part of a first resonant circuit having a first resonant frequency and the second coil forming part of a second resonant circuit having a second resonant frequency.

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 housing having 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; a plurality of elongate susceptor elements projecting into the chamber and spaced apart from each other, the susceptor elements each extending substantially parallel to a magnetic axis of the inductor coil; 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 susceptor elements and thereby heat at least a portion of the article received in the chamber, the inductor coil being helical and having a non-circular cross-sectional shape. An aerosol-generating system including the device, the article, and the susceptor elements, is also provided.

Abstract: An aerosol-generating device is provided, including an induction heater configured to heat an aerosol-forming substrate, the heater including an induction coil and a heating element, the heating element being arrangeable within the induction coil; and a housing including first and second housing portions, the first housing portion including a power supply configured to supply power to the induction coil and a controller configured to control the supply of power to the induction coil, and the second housing portion includes the induction coil, and is configured to receive a consumable containing the aerosol-forming substrate, the first and the second housing portions are movable between a first operable position and a second position in which the first and the second housing portions are displaced and the heating element is accessible, and the heating element is configured to be replaced when the first and the second housing portions are in the second position.

Abstract: An aerosol-generating device is provided, including one or more DC power sources; a load network including an inductor and a capacitor connected in series; first drive circuitry connected to the DC power source(s) and across the network and being configured to provide a first voltage drop across the network; second drive circuitry connected to the DC power source(s) and across the network and being configured to provide a second voltage drop across the network, the second voltage drop being in an opposite direction to the first voltage drop; and a controller connected to the first and the second drive circuitry and being configured to control the first and the second drive circuitry so that both the first and the second voltage drops are provided across the network periodically and so that the second voltage drop is not provided across the network simultaneously with the first voltage drop.

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.

Abstract: An aerosol-generating device for generating an aerosol by inductive heating of an aerosol-forming substrate is provided, the device including a device housing including a cavity configured to receive the aerosol-forming substrate; an induction source including an induction coil configured to generate an alternating magnetic field within the cavity, the induction coil being arranged around at least a portion of the cavity; a flux concentrator arranged around the induction coil and configured to distort the alternating magnetic field of the induction source towards the cavity; and a bond layer firmly coupled to a least a portion of the flux concentrator, the bond layer including or consisting of a poly(p-xylylene) polymer. There is also provided an aerosol-generating system including an aerosol-generating device including and an aerosol-generating article for the device, the article including an aerosol-forming substrate to be heated.

Abstract: An inductive heating assembly is provided for generating an aerosol from an aerosol-forming liquid, the assembly including: a ring-shaped liquid retention element configured to hold and to transport the aerosol-forming liquid; and a ring-shaped susceptor element coaxially arranged at an axial end face of the ring-shaped liquid retention element and being configured to heat the aerosol-forming liquid within the ring-shaped liquid retention element, the ring-shaped susceptor element including an inductively heatable susceptor material exclusively confined within an inner ring portion having an outer radial extension of at most 50 percent of an outer radial extension of the ring-shaped liquid retention element. An aerosol-generating article including the inductive heating assembly 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: 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.