Abstract: A heater device for an electronic cigarette includes: a heater unit arranged to vaporise a liquid received from a liquid reservoir to generate a vapour; and a vapour flow path extending from the heater unit arranged to fluidly communicate with a mouthpiece of an electronic cigarette to allow the generated vapour to flow from the heater unit to the mouthpiece. The heater unit includes a first heating portion and a second heating portion, and the first and second heating portions are integrally formed such that the first and second heating portions form a single heater unit.

Abstract: An aerosol generation unit for use in an aerosol generation device or consumable includes a wicking element and a variable clamping element for controlling wicking of liquid by the wicking element. A The aerosol generation unit includes the wicking element in communication with a liquid reservoir, one or more clamping elements configured to thermally expand and contract to variably clamp at least a portion of the wicking element for controlling the amount of wicking, by the wicking element, of liquid contained in the reservoir, and a heating element or heat transfer element configured to apply heat to the wicking element and the one or more clamping elements. By variably clamping the wicking element, the capillary effect of the wicking element can be increased, reduced, or substantially suppressed. This allows the flow rate of liquid into the wicking element to be controlled based on the heat applied to the clamping element.

Abstract: A cartridge for an aerosol generating device includes a reservoir for containing an aerosol generating liquid, an inductively heatable susceptor for heating the aerosol generating liquid, and a liquid transfer element configured to convey aerosol generating liquid from the reservoir towards the inductively heatable susceptor. The inductively heatable susceptor includes a susceptor ring extending around the liquid transfer element. The cartridge includes a recess configured for receiving, in a releasable connection a coil support having an induction coil of an aerosol generating device. An aerosol generating device, and an aerosol generating system including the aerosol generating device and a cartridge releasably connected to the aerosol generating device, are also described.

Abstract: A heating chamber (11) for an aerosol generation device (1), the heating chamber (11) comprising: a compression element (111) comprising a thermally active material; and a reaction surface (112), wherein the heating chamber (11) is adapted to receive an aerosol substrate (2) between the compression element (111) and the reaction surface (112), and the compression element (111) is configured to compress the aerosol substrate (2) against the reaction surface (112), wherein the compression element (111) is configured to undergo displacement according to a temperature of the heating chamber (11) and a thermal response characteristic of a magnetic property of the thermally active material.

Abstract: An aerosol generating device is disclosed. The aerosol generating device includes a housing and a heating chamber arranged to receive an aerosol substrate. The heating chamber is operable to heat the aerosol substrate to generate an aerosol. A first airflow passage is arranged to transport air from a first air inlet in the housing into or through the aerosol generating device, wherein the first airflow passage comprises a valve having an aperture, and wherein a size of the aperture is adjustable to alter an airflow through the first airflow passage.

Abstract: An aerosol generating device includes a heating chamber having a cavity for receiving an aerosol generating medium; a heating element extending along a length of the cavity and configured to heat the aerosol generating medium; a base plate that is moveable along the length of the cavity and is in contact with the heating element to provide an electrical contact, where movement of the base plate changes the position of the electrical contact; and one or more electrical connections configured to deliver electrical energy to the heating element so as to heat a portion of the heating element according to the position of the electrical contact.

Abstract: An aerosol generation system comprises a consumable and an aerosol generation device. The consumable comprises a housing configured to contain an aerosol generating material, the housing having a first surface configured to engage with the aerosol generation device. The first surface comprises a breakable material configured to be broken upon interaction with piercing elements of the aerosol generation device, and a protective barrier configured to be resistant to the piercing elements. The breakable material and the protective barrier are arranged such that the protective barrier defines breakable regions in the first surface. The aerosol generation device comprises piercing elements arranged to pierce cooperating breakable regions in the first surface of the consumable, and to be inhibited from piercing a protective barrier in the first surface of the consumable.

Abstract: An e-cigarette device includes a housing configured to hold a battery, a vent port arranged in the housing, and a safety valve means arranged on the vent port, wherein the safety valve means is configured to open and/or close the vent port partially and/or completely depending on the temperature within the housing. As the vent port opens automatically when the temperature of the battery exceeds a certain value, the potential danger of an explosion caused by an increase of pressure inside the housing due to a malfunction of the battery can be avoided.

Abstract: A vaporisation component of a vapour generation device is provided. The vaporisation component comprises an evaporator component configured to generate a vapour flow by vaporising a vaporisable substance. The evaporator component has a first surface over which air flows in an airflow channel of a vapour generation device in a direction toward a mouthpiece. At least a portion of the first surface is non-flat with respect to the airflow channel so as to interfere with an airflow in the airflow channel and affect a distribution of droplets in the generated vapour flow.

Abstract: A vaporisation component of a vapour generation device includes an evaporator component configured to generate a vapour flow by vaporising a vaporisable substance. The evaporator component has a first surface over which air flows in a vapour generation device. The first surface has hydrophobic properties configured to repel droplets from the vapour flow.

Abstract: An aerosol generation system including an aerosol generation device and a consumable for use with the aerosol generation device. The consumable including a heat transfer element for heating an aerosol generation substrate and being attachable to the aerosol generation device. The aerosol generation device including a heating element for heating the heat transfer element when the consumable is attached to the aerosol generation device, the heating element is moveable relative to the heat transfer element when the consumable is attached to the aerosol generation device, and configured to be moved when its temperature is at or above a threshold temperature, An area of a contact, which exists between the heating element and the heat transfer element when the consumable is attached to the aerosol generation device and the temperature of the heating element is below the threshold temperature, can be reduced, or the contact can be eliminated.

Abstract: An aerosol generation device includes a chamber with an opening for receiving an aerosol generation medium, a heating element configured to heat the aerosol generation medium, and a moveable base configured to move along a length of the chamber. The moveable base comprises one or more channels configured to allow an airflow through the moveable base. The moveable base divides the chamber to define a first region toward the opening, and a second region away from the opening. One or more air inlets are arranged in the second region of the chamber and configured to provide an air flow path from outside the device into the second region by one or more air inlet channels connecting one or more air inlet openings adjacent to the opening of the chamber to the one or more air inlets in the second region of the chamber.

Abstract: A vaporisation component of a vapour generation device includes an evaporator component configured to generate a vapour flow by vaporising a vaporisable substance. The evaporator component has a first surface over which air flows in an airflow channel of a vapour generation device in a direction toward a mouthpiece. The first surface includes a plurality of recessed portions configured to interfere with an airflow in the airflow channel and affect a distribution of droplets in the generated vapour flow. The evaporator component further includes one or more evaporator channels arranged therethrough to connect the first surface to a reservoir configured to store the vaporisable substance. The evaporator channels are configured to transport the vaporisable substance from the reservoir to openings in the first surface.

Abstract: An aerosol generating article includes an airflow channel, a substrate for generating an aerosol, wherein the substrate is disposed inside the airflow channel and a valve disposed inside the airflow channel, the valve having an open state and a closed state, wherein the valve is configured to restrict air flow through the airflow channel when in the closed state relative to when in the open state. The valve includes a shape memory alloy arranged such that the valve changes from the closed state to the open state when heated to a transition temperature of the shape memory alloy.

Abstract: A heater device for an electronic cigarette comprises: a heater unit arranged to vaporise a liquid received from a liquid reservoir and generate a vapour; and a vapour flow path extending from the heater unit and arranged to fluidly communicate with a mouthpiece of an electronic cigarette to allow the generated vapour to flow from the heater unit to the mouthpiece. The heater unit comprises a plurality of through-channels arranged to allow the generated vapour to flow from the heater unit to the vapour flow path. The plurality of through-channels comprises at least two primary through-channels and at least two secondary through-channels, where a diameter of a primary through-channel is different than a diameter of a secondary through-channel. The plurality of through-channels are arranged such that the at least two primary through-channels are alternately arranged with the secondary through-channels.

Abstract: An aerosol generating article includes a shell that extends along a first axis; a material part disposed inside the shell, wherein the material part includes a substrate for generating an aerosol and one or more inductively heatable susceptors for heating the substrate; and a conductive loop that is spaced from the material part along the first axis and is configured to produce, when in the presence of an oscillating magnetic field aligned substantially along the first axis, a reverse magnetic field aligned oppositely to the oscillating magnetic field.

Abstract: An aerosol generating device includes a heating chamber having an opening to receive an aerosol generating medium; and a base plate that is moveable along a length of the heating chamber to adjust a distance between the opening and the base plate, wherein the base plate is biased toward the opening and configured to move under contact with the aerosol generating medium as it is received in the heating chamber. The device further includes a heating element arranged to heat the aerosol generating medium when it is received in the heating chamber.

Abstract: An aerosol generating device configured to generate an aerosol for inhalation by a user includes: a heater configured to heat an aerosol forming fluid to a predetermined temperature; a sensor configured to measure a parameter which is related to the flow rate of the heated aerosol forming fluid; and a controller configured to enable or disable the generation of an aerosol based on the measured parameter.

Abstract: An aerosol generating device is described. The aerosol generating device includes a heating chamber comprising an opening arranged to receive a consumable; a heating apparatus for heating the consumable; wherein the heating apparatus comprises two or more heating segments and at least one insulator; 5 the two or more heating segments are arranged longitudinally along a length of the heating chamber and are configured to be independently heated; and the at least one insulator is arranged between adjacent heating segments. In this way, the device is capable of efficiently heating consumables of different shapes and sizes.

Abstract: A heater device for an electronic cigarette includes: a heater unit housing a vaporising chamber and arranged to vaporise a liquid received from a liquid reservoir and generate a vapour; and a vapour flow path extending from the vaporising chamber arranged to fluidly communicate with a mouthpiece of an electronic cigarette to allow the generated vapour to flow from the vaporising chamber to the mouthpiece. The heater unit includes a plurality of through-channels arranged to allow the generated vapour to flow from the vaporising chamber to the vapour flow path.