Abstract: A component for a vapour provision system comprises a reservoir for storing aerosolisable substrate material, the reservoir bounded by a boundary wall with at least one movable section configured to move to reduce a storage volume of the reservoir; an outlet in the reservoir for dispensing aerosolisable substrate material from the reservoir; a one-way outlet valve at the outlet configured to open for the dispensing of the aerosolisable substrate material; and a dispensing arrangement operable to increase pressure of aerosolisable substrate material in an outlet volume of the reservoir which is not bounded by the movable section, so as to open the outlet valve and dispense a portion of aerosolisable substrate material, the subsequent absence of the dispensed portion reducing the pressure to allow the movable section of the boundary wall to move to reduce the storage volume.

Abstract: Apparatus for an aerosol generating device includes an LC resonant circuit including an inductive element for inductively heating a susceptor arrangement to heat an aerosol generating material to thereby generate an aerosol. The apparatus includes a switching arrangement for enabling a varying current to be generated from a DC voltage supply and flow through the inductive element to cause inductive heating of the susceptor arrangement. The apparatus also includes a temperature determiner for, in use, determining a temperature of the susceptor arrangement based on a frequency that the LC resonant circuit is being operated at.

Abstract: A resonant circuit for an aerosol generating system includes an inductive element for inductively heating a susceptor arrangement to heat an aerosol generating material to thereby generate an aerosol. The circuit also includes a switching arrangement that, in use, alternates between a first state and a second state to enable a varying current to be generated from a DC voltage supply and flow through the inductive element to cause inductive heating of the susceptor arrangement. The switching arrangement is configured to alternate between the first state and the second state in response to voltage oscillations within the resonant circuit which operate at a resonant frequency of the resonant circuit, whereby the varying current is maintained at the resonant frequency of the resonant circuit.

Abstract: Apparatus for an aerosol generating device comprises a circuit comprising an inductive element for heating a susceptor arrangement to heat an aerosol generating material. The apparatus also comprises a controller configured to determine a change in an electrical parameter of the circuit when the circuit is changed between an unloaded state wherein the susceptor arrangement is not inductively coupled to the inductive element, and a loaded state wherein the susceptor arrangement is inductively coupled to the inductive element. The controller is configured to determine a property of the susceptor arrangement from the change in the electrical parameter of the circuit.

Abstract: Apparatus and methods for determining a characteristic of an aerosol generating material of an aerosol generating device are disclosed. The aerosol generating device comprises a heater for heating of the aerosol generating material in use. The apparatus is arranged to monitor a first property of the heating of the aerosol generating material, thereby to determine a heating profile of the aerosol generating material; analyse the heating profile to identify a feature of the heating profile corresponding to a heating of one or more constituents of the aerosol generating material; and determine, based on the identified one or more features, the characteristic of the aerosol generating material.

Abstract: A consumable article for use with an apparatus arranged to heat aerosolizable material to volatilize at least one component of the aerosolizable material is disclosed. The consumable article has an outer shell and an inner shell within the outer shell. The inner shell contains aerosolizable material. The consumable article also has a thermally insulating layer separating the inner shell from the outer shell.

Abstract: A method of operating an aerosol generating apparatus is disclosed. The method includes sensing, at a first sensor of a sensor arrangement, a first indicia of an article including aerosolizable medium; sensing, at a second sensor of the sensor arrangement spaced a predetermined distance from the first sensor, a second indicia of the article; determining a distance between the first indicia and the second indicia; and operating the aerosol generating apparatus based at least on the distance between the first indicia and the second indicia.

Abstract: An electronic vapor provision system includes a vaporizer for generating vapor for inhalation by a user of the electronic vapor provision system; an electrical power supply for supplying power to the vaporizer; a user input unit for detecting a manual user actuation; and a control unit configured to control, from an available power level range, a level of power supplied from the electrical power supply to the vaporizer in proportion to a level of manual user actuation detected by the user input unit during vapor generation.

Abstract: A removable liner configured to be used with an aerosol provision device is provided. The device includes a chamber for receiving a replaceable consumable and the liner has dimensions to fit within the chamber of the device, between walls of the chamber and the replaceable consumable. The liner is configured to receive the replaceable consumable, in use.

Abstract: An aerosol provision device is configured to couple to a consumable component, and includes a transceiver configured for connection of the device to a communications network; and a processor configured to: obtain identification information from a consumable component engaged with the device, the identification information being uniquely provided to the consumable component or to a group of consumable components to which the consumable component belongs; configure the identification information as an identifier for the consumable component; send, via the communications network, an authorization query including the identifier to a remote server holding a list of one or more authorized identifiers; receive, via the communications network, an authorization response to the authorization query from the remote server; and identify the consumable component as authorized if the authorization response indicates that the identifier is comprised in the list of authorized identifiers.

Abstract: Described is an aerosol provision system for generating aerosol for user inhalation, wherein the system includes an aerosol generating article including an aerosolizable material, the aerosolizable material being a solid or a gel; and a control unit having a receptacle configured to receive the aerosol generating article, wherein the control unit is configured, in use, to generate aerosol from the aerosolizable material. The aerosol generating article includes a data storage unit configured to store an identifier identifying the aerosol generating article. The control unit is configured to receive the identifier from the data storage unit and, based on the received identifier, cause the control unit to perform an action.

Abstract: An electronic vapor provision system includes a control unit configured to provide power from a battery in the control unit to components of the system, and including a controller configured to control components of the system; and an aerosolizable substrate material carrying portion separably connectable to the control unit to obtain power from the battery, and including a first electrical circuit including a characteristic-carrying element; and a second electrical circuit including a vapor generating element configured to generate an inhalable vapor from an aerosolizable substrate material; wherein: the second electrical circuit can be selectively provided with power from the battery when power is supplied to the aerosolizable substrate material carrying portion; and the controller is configured to operate in a first mode in which a characteristic of the characteristic-carrying element is determined by providing power from the battery to the first electrical circuit, and in a second mode in which the vapor

Abstract: An aerosol provision system for generating aerosol from a removable consumable comprising an aerosol forming material. The system includes an aerosol provision device and a removable consumable. The aerosol provision device includes a power source; a receptacle; and a first component configured to operate in response to power received from the power source. The removable consumable is for engagement with the receptacle, and the removable consumable comprises a second component configured to interact with the first component.

Abstract: Described is an aerosol provision device for generating aerosol for user inhalation, the aerosol provision device including a first aerosol generating area and a second aerosol generating area each for receiving an aerosol precursor material; a mouthpiece from which a user inhales generated aerosol during use, wherein the mouthpiece comprises first and second mouthpiece openings; a first pathway extending from the first aerosol generating area to the first mouthpiece opening for transporting a first aerosol generated from the aerosol precursor material in the first aerosol generating area; and a second pathway extending from the second aerosol generating area chamber to the second mouthpiece opening for transporting a second aerosol generated from the aerosol precursor material in the second aerosol generating area, wherein the first and second pathways are physically isolated from one another to prevent mixing of the first and second aerosols as the first and second aerosols are transported along the respect

Abstract: An aerosol delivery device includes a chamber for receiving an article including an aerosolizable material for delivery by the aerosol delivery device, a transmitter, a receiver spaced apart from the transmitter, and a processor. The processor is configured to: cause the transmitter to transmit a first signal to the receiver at least partially through an article in the chamber in use, so that the receiver receives a second signal, wherein the second signal is the first signal altered by interaction with a signal altering component of the article, and determine article data from the second signal. An article includes an aerosolizable material; and a signal altering component. The signal altering component is configured to alter a first signal transmitted at least partially through the article into a second signal indicative of article data.

Abstract: An aerosol generating device for receiving an aerosol generating article includes an electrical circuit including a controller for determining a change in an electrical property of the circuit. The change in the electrical property of the circuit is caused by the user interacting with an aerosol generating article received by the device.

Abstract: An apparatus for generating aerosol from an aerosolizable medium is disclosed. The apparatus includes a housing; a chamber for receiving an article, a sensor and a cover system. The article includes an aerosolizable medium and a detectable element provided in association with the article. The sensor is configured to sense the detectable element when an article is received within the chamber. The cover system can be configured in at least a first configuration to substantially cover the sensor, and a second configuration, in which a field of view of the sensor is substantially without obstruction.

Abstract: An apparatus for generating aerosol from an aerosolizable medium, the apparatus including a housing; and a chamber for receiving an article. The article includes an aerosolizable medium; and a marker arrangement including a first marker and a second marker. The apparatus includes a sensor arrangement configured to operate in a first mode and a second mode. In the first mode the sensor arrangement monitors non-continuously for the presence of the first marker. In the second mode the sensor arrangement is configured to read identification information from the second marker. The sensor arrangement operates in the second mode responsive to the detection of the presence of the first marker in the first mode.

Abstract: A control device for an electronic aerosol provision system is configured to receive a replaceable component to form an electronic aerosol provision system. The control device is further configured to receive an identifier from a replaceable component received by the control device; and to modify one or more characteristics (such as resistance to draw, RTD) of an airflow path through the electronic aerosol provision system dependent upon the received identifier.

Abstract: A control device for an electronic aerosol provision system is provided. The control device is configured to receive a replaceable component to form an electronic aerosol provision system. The control device includes a communication interface for performing communications external to the electronic aerosol provision system; a memory configured to hold a set of stored identifiers; and a control system. The control system is configured to: receive control information from a remote server via the communication interface; update the set of stored identifiers based on the control information received from the remote server; receive an identifier from a replaceable component received by the control device; make a comparison of the received identifier against the set of stored identifiers; and perform a control action for the electronic aerosol provision system dependent upon the result of said comparison.