Abstract: Vapor provision apparatus including a reservoir housing defining a reservoir for liquid, a liquid transport element for transporting liquid from the reservoir to a vaporizer for vaporization and a channel for the liquid transport element, wherein the channel has a sidewall at least partly defined by a section of the reservoir housing; wherein the liquid transport element comprises a first portion arranged to deliver liquid to the vaporizer and a second portion extending along the channel, wherein the channel has a cross-section that corresponds with the cross-section of the second portion of the liquid transport element in the channel, and wherein the section of the reservoir housing that defines the sidewall of the channel has one or more openings to provide fluid communication between the liquid transport element in the channel and liquid in the reservoir.

Abstract: An electronic vapor provision system includes a vaporizer for vaporizing a payload for inhalation by a user of the electronic vapor provision system, the vaporizer taking a finite period of time from having power supplied to it to vaporize the payload; a power supply for supplying power to the vaporizer to vaporize the payload in response to a user activation; one or more sensors operable to output respective signals in response to interaction of the user with the electronic vapor provision system; an estimation processor configured to estimate a user's expected moment of activation, based upon analysis of one or more of the respective signals; and a control processor configured to cause power to be supplied to the vaporizer at a time that precedes the user's estimated expected moment of activation.

Abstract: Disclosed is an apparatus for heating smokable material to volatilize at least one component of the smokable material, the apparatus including a thermal insulator including an inner wall at least partially defining a heating zone for receiving at least a portion of an article including smokable material, wherein the inner wall includes heating material that is heatable by penetration with a varying magnetic field to heat the heating zone; an outer wall; and an insulation region bound by the inner wall and the outer wall, wherein the insulation region is evacuated to a lower pressure than an exterior of the insulation region; and a magnetic field generator for generating a varying magnetic field that penetrates the inner wall in order to heat the inner wall in use.

Abstract: An electronic vapor provision system includes an inhaler component for generating vapor from a vapor precursor material, and a base unit to which the inhaler component may be selectively coupled and uncoupled; wherein the base unit is configured to establish an identifier for the inhaler component and, when the inhaler component is coupled to the base unit, to provide the inhaler component with an amount of consumable for use by the inhaler component for generating vapor for user inhalation when the inhaler component is uncoupled from the base unit; wherein the base unit is further configured to establish a record of the identifier for the inhaler component in association with an indication the consumable has been provided to the inhaler component.

Abstract: A vapor provision system includes an inhalation sensor; an input button; control circuitry and a vaporizer for generating vapor from a vapor precursor material when provided with power from the control circuitry, wherein the control circuitry is configured to provide power for the vaporizer to generate vapor both in response to determining from signaling received from the inhalation sensor that a user is inhaling on the vapor provision system and in response to determining from signaling received from the input button that a user has activated the input button for at least a threshold amount of time.

Abstract: An assembly for a vapor provision device includes a reservoir for storing source liquid; a liquid conduit for delivering the source liquid from the reservoir to a vapor generator for vaporizing the source liquid; and a liquid capture element in liquid transfer contact with at least a portion of the liquid conduit between the vapor generator and a part of the liquid conduit that receives liquid from the reservoir, and including an absorbent structure providing a higher capillary force than a capillary force of the reservoir.

Abstract: An aerosol source for a vapor provision system includes a vapor-generating element; a reservoir for holding source liquid, the reservoir being bounded by a wall having an opening therein; and a liquid transport element including a first portion arranged to receive liquid from the reservoir via the opening, a second portion peripheral to the first portion, and a third portion arranged to deliver liquid from the first portion to the vapor-generating element; wherein at least part of the second portion is compressed against a section of the wall around the opening, in use, to provide a sealing effect around at least part of the first portion to promote movement of liquid towards the vapor-generating element.

Abstract: In combination, an article containing smokable material and an apparatus for volatilizing at least one component of the smokable material. The article is engageable with the apparatus and disengageable from the apparatus. The smokable material is a layer on at least one surface of the article. The apparatus includes comprises an irradiative light source for generating light. The article and the apparatus are arranged such that the irradiative light source and the smokable material overlap radially of the apparatus when the article is engaged with the apparatus. The irradiative light source is configured to emit light radially of the apparatus so as to impinge upon the smokable material on the at least one surface of the article to volatilize at least one component of the smokable material.

Abstract: A method of preparing a whitened tobacco material is provided, including: (i) extracting a tobacco material with a first extraction solution to provide a tobacco solids material and a tobacco extract; (ii) cooking the tobacco solids material in an alkaline cooking liquid comprising sodium sulfide and having a pH of greater than 11 to form a tobacco pulp; (iii) treating the tobacco pulp with an acid to lower the pH of the tobacco pulp and provide a neutralized tobacco pulp; (iv) extracting the neutralized tobacco pulp with a second extraction solution comprising at least one chelating agent to provide an extracted tobacco pulp; and (v) bleaching the extracted tobacco pulp with a bleaching solution to provide a whitened tobacco material.

Abstract: A vapor provision system includes a cartridge part configured for use with a reusable part and a sealing element, the cartridge part including a cartridge housing, a reservoir formed within the cartridge housing for containing liquid for vaporization; a vaporizer disposed within an air path forming a vaporization chamber within the cartridge housing; and a liquid transport element arranged within a channel from the reservoir to the vaporization chamber to transport liquid from the reservoir to the vaporizer for vaporization, the liquid transport element being formed with the vaporizer in the vaporization chamber to convey the vapor in use when air is drawn by a user through the air path, and the sealing element comprises a plurality of fingers projecting outwardly opposite one another from one end of a stalk.

Abstract: A vapor provision system including a vapor generation chamber, a reservoir containing liquid, a vaporizer located in the vapor generation chamber and a liquid transport element arranged to transport liquid from the reservoir through an opening in a wall of the vapor generation chamber to the vaporizer, wherein the liquid transport element in the vapor generation chamber has a cross-sectional area which is greater than that of the opening, and wherein the liquid transport element in the vapor generation chamber abuts the wall surrounding the opening to help prevent leakage.

Abstract: An apparatus arranged to heat smokable material to volatilize at least one component of the smokable material. The apparatus includes a housing, the housing having a first opening at a first end through which a consumable article containing smokable material can be removably inserted into the apparatus; at least one heater arrangement arranged within the housing for heating smokable material within the consumable article when in use and a hollow chamber between the first opening and the at least one heater arrangement. The hollow chamber surrounds at least a portion of the consumable article when the consumable article is inserted into the device and an inner wall of the chamber and the at least a portion of the consumable article define an air gap there between. Hot vapors that escape the consumable article in use can condense on the inner wall of the hollow chamber.

Abstract: An inductive heating arrangement for heating smokable material includes a susceptor arrangement, at least first and second inductor coils and a control circuit. The first inductor coil generates a first varying magnetic field heating a first section of the susceptor arrangement and the second inductor coil generates a second varying magnetic field heating a second section of the susceptor arrangement. The control circuit is configured so that when one of the first and second coils is actively being driven to generate a varying magnetic field the other of the first and second inductor coils is inactive, and so that the inactive one of the first and second inductor coils is prevented from carrying a current induced by the active one of the first and second inductor coils sufficient to cause significant heating of the susceptor arrangement.

Abstract: There is described an aerosol provision article for use in an aerosol provision system for generating an inhalable medium including an aerosol when a user draws on the aerosol provision system. The aerosol provision article includes at least a first heating element and a second heating element for heating liquid from a liquid reservoir to generate a flow of aerosol; and a region for receiving a substance which, in use, the flow of aerosol passes through and heats the substance before exiting the aerosol provision article, which substance modifies a property of the flow of aerosol. The at least a first heating element and a second heating element are positioned so as to additionally heat the substance in the region.

Abstract: An electronic vapor provision device comprises a body and a vaporizer. The body comprises a power cell and a processor, and the vaporizer is releasably connectable to the body. The processor is configured to enter a sleep mode when the vaporizer is connected to the body and the device is inactive for an inactive time. Furthermore, the processor is configured to leave the sleep mode and enter a usable mode when the vaporizer is disconnected from the body then reconnected to the body.

Abstract: There is provided a device for an electronic aerosol provision system, wherein the device includes a housing, the housing including a chassis section and a hatch section, wherein the hatch section is connected to the chassis section and moveable between a first position and a second position, wherein when in the first position a biasing cam is biased against the hatch section, the hatch section being prevented from moving to the second position by a releasable lug.

Abstract: There is provided a hatch section for an electronic aerosol provision device, wherein the hatch section includes a sleeve for receipt of an aerosol forming component, the sleeve defining a longitudinal axis and including first and second sections spaced along the longitudinal axis which exert different rotational biases on the aerosol forming component when inserted into the sleeve.