Abstract: A mouthpiece portion of an electronic cigarette includes a cartridge comprising a liquid store having a housing configured to store a liquid to be vaporized, the cartridge comprising a main vapor channel extending therethrough, between an air inlet opening through a vaporization chamber and to a vapor outlet opening; a mouthpiece connectable to a main body of the electronic cigarette, the mouthpiece comprising a vapor channel for receiving vapor from the main vapor channel of the cartridge. The cartridge is axially displaceable by a consumer with respect to the mouthpiece in the axial direction A thereof and movable between a first position and a second position. In the first position both the air inlet opening and the vapor outlet opening of the cartridge are open, and in the second position both the air inlet opening and the vapor outlet opening of the cartridge are closed.

Abstract: An aerosol generation device has a heating chamber for receiving a substrate carrier containing an aerosol substrate. The heating chamber includes a tubular side wall having an open first end; and a flanged portion at the open first end of the tubular wall, the flanged portion extending outwardly away from the tubular side wall. The flanged portion is gripped between a first washer and a second washer.

Abstract: An electronic cigarette comprising at least one heater, a controller, a timer, a user control wherein the user control comprising, or be in the form of, a rotary dial, the rotary dial being positioned on an end of the electronic cigarette; wherein the controller is configured to control at least one heater according to the setting based on the input from the user control.

Abstract: A pod includes a temperature-switchable material for an aerosol-generating device, a porous wick and a reservoir including a discharge opening for an aerosol-generating liquid material, wherein (i) the porous wick is coated with a temperature-switchable material on a surface of the porous wick sealing the discharge opening of the reservoir; or (ii) the porous wick is coated with a temperature-switchable material on a surface of the porous wick opposite of the surface of the porous wick sealing the discharge opening; or (iii) the porous wick is made of the temperature-switchable material and is arranged so that a surface of the porous wick seals the discharge opening of the reservoir. The temperature-switchable material is an amphiphilic material impermeable for an aerosol-generating liquid material below a transition temperature of between 25° C. and 300° C. and becoming permeable for an aerosol-generating liquid material when exposed to a temperature above the transition temperature.

Abstract: A vaporizer unit for a personal vaporizer device, especially an electronic smoking article, includes a housing which encloses a reservoir for storing a liquid to be vaporized; a heating element configured and arranged for heating the liquid to be vaporized to generate a vapour to be inhaled; and a liquid delivery element which is configured to convey the liquid from the reservoir to the heating element for vaporization. The liquid delivery element includes at least a first side configured to be in contact with or to form a wall of the reservoir and a second side in contact with the heating element fluidly connected with the first side and wherein the heating element includes an electrically conductive cover or coating applied to the second side of the liquid delivery element. A personal vaporizer device includes the vaporizer unit.

Abstract: A flat-shaped tobacco article configured to operate with an aerosol generating device and extending along an article axis (X) includes: a first tobacco layer defining a first layer internal surface and a first layer external surface designed to be heated by a heater of the aerosol generating device; and a non-tobacco core element in contact with the first layer internal surface and designed to exert pressure on this internal surface to push the first layer external surface toward the heater.

Abstract: An aerosol generating article includes aerosol generating material having first and second regions and an inductively heatable susceptor in the first region. The first region can be located upstream of the second region or downstream of the second region relative to an aerosol flow direction within the article. A method for manufacturing an aerosol generating article and an aerosol generating system are also described.

Abstract: An aerosol generating system comprises an aerosol generating substrate, an inductor for generating a primary electromagnetic field, a primary susceptor configured to be inductively heated by the primary electromagnetic field and to solely heat the aerosol generating substrate, and a secondary susceptor configured to solely generate a secondary electromagnetic field. The secondary electromagnetic field is generated under the influence of the primary electromagnetic field and acts in opposition to the primary electromagnetic field.

Abstract: An aerosol generating article includes a substantially cylindrical cup containing a plant-based aerosol generating material and at least one inductively heatable susceptor element (26). The cup includes an open end and a bottom wall. The cup has a self-supporting moulded form and includes a flange at the open end and a closure attached to the flange. The closure and/or bottom wall is porous or includes one or more openings.

Abstract: An aerosol generating device includes a planar heating element including a mesh of electrically conductive fibres, a heating rod in contact with a central portion of the planar heating element to provide a central region of high current density, thereby providing a temperature gradient across the planar heating element during use, a liquid store, and a liquid transport element arranged between the liquid store and the planar heating element and configured to transport liquid from the liquid store to the planar heating element under capillary action during use, wherein the liquid transport element is arranged in contact with an edge portion of the mesh.

Abstract: An aerosol generation device includes a casing; an aperture in the casing through which aerosol generating material is insertable into the aerosol generation device; a closure moveable relative to the aperture between a closed position in which the closure covers the aperture, an open position in which the aperture is unobstructed by the closure, and an activation position that is different from the open position; and a detector arranged to detect movement of the closure from the closed position to the open position and between the open position and the activation position.

Abstract: An electronic cigarette includes a laser and a replaceable atomiser. A reservoir is provided for storing a vaporisable liquid. The replaceable atomiser includes a light guide, an absorber and a vaporisation chamber. A liquid inlet in the atomiser provides a flow path for liquid in the reservoir to flow towards the absorber and the vaporisation chamber. The light guide is configured to couple light from the laser towards the absorber which can generate heat by absorbing the emitted light and this can cause vaporisation of the vaporisable liquid. When the light guide becomes dirty or contaminated it can be replaced simply by replacing the atomiser.

Abstract: An aerosol generating article includes a body of aerosol forming material, a first inductively heatable susceptor having a first resonant frequency, and a second inductively heatable susceptor having a second resonant frequency that is different from the first resonant frequency. An aerosol generating system includes the aerosol generating article with an aerosol generating device, the device including an induction coil defining a place, preferably a cavity, adapted to receive, in use, an aerosol generating article, and a controller adapted to control the induction coil to selectively and/or sequentially generate a first electromagnetic field with a first frequency and a second electromagnetic field with a second frequency that is different to the first frequency.

Abstract: A liquid detecting system for an electronic cigarette includes a light source; a light detector; a liquid store including an internal cavity for holding liquid; and a light guide optically coupled to the light source and detector such that light emitted from the source propagates towards the detector along an optical path including an internal reflection within the light guide at a boundary with the cavity, such that light received by the detector along the optical path varies depending on contents of the cavity. Also provided are a liquid cartridge and an electronic cigarette including the system, a method for determining contents of the liquid cartridge and a computer readable medium including executable instructions which, upon execution by a device, cause the method to be performed.

Abstract: An aerosol generation device includes an electrical power source; a heating chamber; a heater arranged to supply heat to the heating chamber; control circuitry configured to control the supply of electrical power from the electrical power source to the heater; a frame; and a housing having an internal volume containing the electrical power source, the heating chamber, the heater, the control circuity and the frame. The frame is arranged between a first volume of the internal volume containing the heater and the heating chamber, and a second volume of the internal volume containing the electrical power source.

Abstract: A heating element for a consumable article, the consumable article including a storage portion storing a vaporizable material, includes an element body configured to be engaged in an engaged position at least partially around the storage portion of the consumable article and the element body is configured to be removably received at least partially in an energy supplying cavity of an external energy supplied device. The element body includes a heat absorbing/releasing material able to: absorb heat during a pre-heating phase carried out when the element body is received with this consumable article in the energy supplying cavity; and while the element body is in the engaged position with the consumable article, release the absorbed heat to during a vaping phase.

Abstract: An aerosol-generating device has thermochromic material visible from outside the device and extending in a longitudinal direction and a heat transfer structure inside the device relative to the thermochromic material and essentially extending in the same longitudinal direction as the thermochromic material and at least overlapping with it, wherein a thermal resistance of the heat transfer structure increases in the longitudinal direction. Further, a method of indicating at least one operational state of an aerosol-generating device by changing colour of thermochromic material visible from outside is presented, wherein at least two portions of thermochromic material are heated successively due to a thermal resistance of a heat transfer structure inside the device relative to the thermochromic material increasing in a longitudinal direction of the thermochromic material and the heat transfer structure.

Abstract: A heating chamber for an aerosol generation device includes a chamber side wall and a chamber base. The chamber side wall and chamber base together define an interior volume of the heating chamber. A heater is provided in thermal engagement with the chamber side wall. An insulating member includes an insulating side wall and an insulating base, and is arranged so that a part of the heating chamber including the chamber base is nested inside the insulating member. There is also disclosed an aerosol generation device including an electrical power source, an outer casing, the heating chamber and control circuitry arranged to control the supply of electrical power from the electrical power source to the heater.

Abstract: An electronic cigarette includes a laser and a light guide. A reservoir is provided for storing a vaporisable liquid. An absorber is provided to absorb light emitted by the laser and to generate heat. An optical interface is provided at a second end face of the light guide, and a flow path is provided for vaporisable liquid to flow from the reservoir towards the optical interface at the second end face and the absorber. The optical interface selectively reflects or refracts light emitted by the laser such that light emitted by the laser is coupled towards the absorber when liquid is present at the optical interface and light emitted by the laser is coupled away from the absorber when liquid is not present at the optical interface.

Abstract: An aerosol generation device has a body and a closure. The body has an aperture through which an aerosol substrate is receivable into the aerosol generation device. The closure is moveable relative to the aperture between a closed position in which the closure covers the aperture and an open position in which the aperture is substantially unobstructed by the closure; the closure is stable in each of the closed position and the open position. The closure is further moveable from the open position to an activation position. At the activation position, the aerosol generation device is operable to initiate an activation signal.