Abstract: Described is provided a vapor provision system for generating a vapor for user inhalation, the system including a housing, a first user input mechanism configured to provide a first input to control a first aspect of vapor generation and located on a first side of the housing, and a second user input mechanism configured to provide a second input to control a second aspect of vapor generation and located on a second side of the housing, the second side of the housing opposite to the first side of the housing, wherein the first user input mechanism and the second user input mechanism are different types of user input mechanisms.

Abstract: A mouthpiece for a vapor provision device having a length direction corresponding to the direction of insertion of the vapor provision device into the mouth of a user, a width direction corresponding to the direction along the lip-line of the user, and a depth direction corresponding to the opening direction of the lips of the user, the mouthpiece including first and second opposing faces and an exit hole located between the first and second opposing faces, wherein the opposing faces are approximately planar and lie within or slightly inclined to a plane defined by the longitudinal direction and the width direction, and each of the opposing faces has a width which is greater than its length.

Abstract: A pack for containing and recharging an e-cigarette includes: a re-chargeable pack battery; a first connector which is electrically connectable to an external power source; a first recharging mechanism for re-charging the pack battery using the external power source when the first connector is electrically connected to the external power source; a second connector which is electrically connectable to an e-cigarette contained within the pack; and a second recharging mechanism for re-charging the e-cigarette when the e-cigarette is electrically connected to the second connector. The first recharging mechanism includes a first protection circuit module and the second re-charging mechanism includes a second protection circuit module, wherein the protection modules protect the pack and e-cigarette against excessive voltage or current during re-charging.

Abstract: Described is provided a vapor provision system for generating a vapor for user inhalation, the system including a housing, a first user input mechanism configured to provide a first input to control a first aspect of vapor generation and located on a first side of the housing, and a second user input mechanism configured to provide a second input to control a second aspect of vapor generation and located on a second side of the housing, the second side of the housing opposite to the first side of the housing, wherein the first user input mechanism and the second user input mechanism are different types of user input mechanisms.

Abstract: An aerosol provision system comprising a reservoir for aerosolisable material; a wick configured to receive the aerosolizable material from the reservoir, a vaporizer configured to vaporize the aerosolizable material received in the wick, wherein the aerosol provision system is configured to measure at least one parameter of the wick to determine a status of the wick The parameter may be the moisture content of the wick, at least one physical dimension of the wick, and/or an optical parameter, such as the color of an external surface of the wick, or the reflectivity of an external surface of the wick.

Abstract: A pack for containing and recharging an e-cigarette includes: a re-chargeable pack battery; a first connector which is electrically connectable to an external power source; a first recharging mechanism for re-charging the pack battery using the external power source when the first connector is electrically connected to the external power source; a second connector which is electrically connectable to an e-cigarette contained within the pack; and a second recharging mechanism for re-charging the e-cigarette when the e-cigarette is electrically connected to the second connector. The first recharging mechanism includes a first protection circuit module and the second re-charging mechanism includes a second protection circuit module, wherein the protection modules protect the pack and e-cigarette against excessive voltage or current during re-charging.

Abstract: There is provided a connector configured to be retrofitted to an electronic aerosol provision system including a first connecting interface connectable to a vaporizer for vaporizing liquid for inhalation by a user; a second connecting interface connectable to a power supply for supplying power to the vaporizer; a sensor for sensing a parameter indicative of a change in the electronic aerosol provision system; and a control unit connected to the sensor and configured to output a signal based on the information from the sensor, wherein the connector, when connected to a vaporizer and to a power supply, forms an electronic aerosol provision system.

Abstract: An aerosol generator for an electronic aerosol provision system includes an electrical heater formed from a ceramic body, an aerosol-generating material transfer component also known as a wick for delivering aerosol-generating material from a storage area to the electrical heater for heating to generate aerosol, and a thermocouple embedded in the ceramic material and operable to provide a temperature-dependent voltage via the thermoelectric effect from which a temperature of the electrical heater can be determined. The wick may be a bundle of fibers or wadding in contact with the ceramic body. Alternatively, the wick may be formed from a porous ceramic. The porous ceramic either is bonded to a non-porous ceramic configured as the heater body, or is used for both wicking and heating so that both wick and heater are formed from a single portion of ceramic material.

Abstract: A vapor provision system includes a reservoir defining a storage volume to hold aerosolizable substrate material; and an aerosolizable substrate material detection system including an optical source located externally of the reservoir and operable to emit light into the storage volume; an optical detector located externally of the reservoir and operable to detect light emitted by the optical source that has traversed an optical path through the storage volume; and a controller configured to determine a characteristic of light detected by the optical detector and deduce information regarding a depth of aerosolizable substrate material in the storage volume from the determined characteristic of the light.

Abstract: A liquid storage tank of an electronic vapor provision device includes one or more boundary walls defining an interior volume of the tank for accommodating source liquid to be vaporized in the electronic vapor provision device; and one or more baffles, each baffle protruding from an inner surface of the boundary wall into the interior volume to impede a flow of source liquid between portions of the interior volume between which the baffle is located. The tank may be included in an electronic vapor provision device or in a component for an electronic vapor provision device such as a cartomizer.

Abstract: An electronic vapor provision device comprises: includes a first electrical resistive heater for vaporizing a precursor material to generate vapor in an airflow for inhalation by a user and a second electrical resistive heater for vaporizing the precursor material and/or heating said airflow. The first electrical resistive heater has a first thermal coefficient of resistance which is less than a second thermal coefficient of resistance of the second electrical resistive heater. The device further includes a control system to monitor for a change in the resistance of at least the second electrical resistive heater. The second electrical resistance heater therefore serves both as a heater and as a temperature monitor.

Abstract: There is provided a cartomizer for an aerosol provision system including a wall, the wall including a resilient portion, the resilient portion of the wall arranged to provide a sealing function at least partially around a liquid contained within the cartomizer to prevent uncontrolled exiting of liquid from the cartomizer during pressure changes to the cartomizer.

Abstract: An electronic vapor provision system includes a cartridge for storing material heatable to generate an aerosol and a control unit housing a battery to provide electrical power for heating, the cartridge and the control unit separably connectable together by at least one latching element, the latching element including a foot, and a leg joined at a first end to the foot by a flexible resilient joint and having a first latch member, the foot anchored within one of the cartridge and the control unit, and the other of the cartridge and the control unit having a second latch member on a surface, and positioned and configured to engage with the first latch member when the cartridge and the control unit are brought together with a substantially linear motion, and disengage with the first latch member when the cartridge and the control unit are pulled apart, the engagement and disengagement enabled by movement of the leg of the latching element about the flexible resilient joint.

Abstract: An electronic vapor provision device includes a first electrical resistive heater for vaporizing a precursor material to generate vapor in an airflow for inhalation by a user and a second electrical resistive heater for vaporizing the precursor material and/or heating said airflow. The first electrical resistive heater has a first thermal coefficient of resistance which is less than a second thermal coefficient of resistance of the second electrical resistive heater. The device further includes a control system to monitor for a change in the resistance of at least the second electrical resistive heater. The second electrical resistance heater therefore serves both as a heater and as a temperature monitor.

Abstract: An electronic aerosol provision system includes a vaporizer for generating an aerosol using electrical power; a battery for supplying electrical power to the vaporizer and to other components of the electronic aerosol provision system; a flat, flexible cable having a laminated structure and incorporating multiple conductor lines for transmitting electrical power and/or signals; and a temperature sensor incorporated into the flat, flexible cable and located adjacent the battery for sensing the temperature of the battery. The electronic aerosol provision system is configured to detect an error condition if the sensed temperature of the battery goes outside a specified operating range; and in response to such detection, to reduce or cease the supply of electrical power from the battery.

Abstract: A vaping monitor system comprises an electronic vapor provision system (EVPS) operable to generate vapor from a payload in response to an inhalation by a user, and to supply inhalation data to a dosage processor that is operable to calculate an amount of an active ingredient delivered to the user's bloodstream based on pharmacokinetic data for the EVPS and the inhalation data, the dosage processor also being operable to convert the calculated amount of an active ingredient into an equivalent number of a reference conventional combustion product based on pharmacokinetic data for the reference conventional combustion product, and the vaping monitor system being operable to indicate the equivalent number of a reference conventional combustion product via a user interface.

Abstract: A vapor provision apparatus including a vapor generation chamber containing a vaporizer for generating vapor from a vapor precursor material; and an air channel wall defining an air channel between the vapor generation chamber and a vapor outlet at a mouthpiece end of the vapor provision apparatus through which a user can inhale vapor during use; wherein an inner surface of the air channel wall is provided with at least one protrusion extending into the air channel to modify (redirect) a flow of air in the air channel during use. For example, the at least one protrusion may be arranged to define one or more portions of a helical wall extending into the air channel so as to impart a degree of rotation about an axis of extent of the air channel to air flowing in the air channel during use.

Abstract: An active ingredient adjustment system for an electronic vapor provision system (EVPS), comprises a memory configured to store data indicating a target amount of active ingredient to be delivered by the EVPS within a predetermined period having a predetermined start point; a payload usage sensor configured to detect the amount of payload being used; a usage timing processor configured to calculate the rate of active ingredient being delivered to the user based upon the amount of payload being used; and an adjustment processor adapted to alter the operation of the EVPS to reduce the rate of active ingredient being delivered to the user in response to the usage timing processor calculating a rate of active ingredient being delivered that will result in exceeding the target within the predetermined period.

Abstract: A cartomizer for a vapor provision system, the cartomizer including: a container for holding a reservoir of free liquid to be vaporized; an atomizing chamber; a porous wick extending from inside the container, through an aperture in a wall of the atomizing chamber, to inside the atomizing chamber in order to convey the liquid from the reservoir to the inside of the atomizing chamber for vaporization; and a resilient seal provided in the aperture to restrict the liquid from entering the atomizing chamber from the reservoir except by travelling along the wick.

Abstract: A temperature regulating system for an electronic vapor vapour provision system (EVPS) comprises a sensor to detect at least one parameter of the airflow within the EVPS; a user interface adapted to receive an indication from a user that a puff of the EVPS was too hot; and a processor adapted to change at least a first aspect of a vapor vapour generation process to reduce the vapor vapour temperature at the mouthpiece, based upon sensor data from the at least one parameter of the airflow, in response to the received indication.