Abstract: An aerosol generating device for heating an aerosol generating article to generate an aerosol for inhalation by a user includes an induction coil and a heating compartment arranged to receive an aerosol generating article. The device further includes a projecting element which projects into the heating compartment so that at least part of the projecting element is positioned inside an aerosol generating article received in the heating compartment, and at least part of the projecting element is inductively heatable in the presence of a time varying electromagnetic field.

Abstract: An aerosol generating device includes a heating chamber for receiving at least part of an aerosol generating substrate and a plurality of inductively heatable susceptors mounted in the heating chamber. The plurality of inductively heatable susceptors are electrically connected to each other, for example by at least one electrical connectors .

Abstract: An aerosol generating article includes a first layer of aerosol generating material; a second layer of aerosol generating material; and a plurality of strips of inductively heatable susceptor material; wherein each of the strips of inductively heatable susceptor material is located between the first and second layer of aerosol generating material.

Abstract: A liquid container having an aerosol forming liquid for an electronic cigarette, the liquid container including a primary liquid component including nicotine, and a secondary liquid component, wherein the primary and secondary liquid components are immiscible to form an interfacial tension surface between a first volume in the liquid container having the primary liquid component and a second volume in the liquid container having the secondary liquid component to fully separate the primary and secondary liquid components from each other.

Abstract: A heating oven for an aerosol generating device includes a tubular member including a first end and a second end and at least one planar support wall extending across the internal tubular cavity of the tubular member between the first and second ends, at least one planar heater attached to the planar support wall including electrical connections extending through the second end of the tubular member and, at least one closure configured for at least partially closing the second end. An aerosol generating device includes at least one such heating oven. In a method of assembling a heating oven for an aerosol generating device, a tubular member having two open ends is provided, at least one planar support wall having a planar heater attached thereto is inserted through one of the open ends, and one end is closed with electrical connections extending through a closure.

Abstract: A sheet-type aerosol generating article includes at least two aerosol generating sheets each having aerosol generating material and an inductively heatable susceptor The inductively heatable susceptor is positioned between the aerosol generating sheets and each of the aerosol generating sheets has an exposed surface. Methods for manufacturing sheet-type aerosol generating articles are also disclosed.

Abstract: A smoking device includes a heating chamber for heating a tobacco consumable and a storage portion for storing the tobacco consumable. The storage portion is resealable. In some embodiments, the smoking device is elongate and the storage portion includes a resealable closure situated at or toward an end of the device. Also provided is a smoking kit including the smoking device and a tobacco consumable.

Abstract: A vapor generating system for an electronic cigarette comprises a main liquid store configured to contain a liquid to be vaporised, a dosing chamber configured to receive liquid from the main liquid store, and a liquid regulating arrangement configured to transfer a metered dose of liquid from the main liquid store to the dosing chamber. The vapor generating system further comprises a vaporizing unit configured to transform said metered dose of liquid into a vapor. The main liquid store and the dosing chamber are arranged in a replaceable cartridge. The cartridge is connectable to a cartridge seating of the electronic cigarette and fluidic connection between the main liquid store and the dosing chamber is only established when the cartridge is connected to the cartridge seating.

Abstract: An aerosol generation device includes an indicator and a controller connectable to a battery and a heater. The heater is configurable to aerosolise a unit of aerosol generating material in an aerosolisation session and the battery is configurable to provide power to the heater for one or more aerosolisation sessions. The controller is configured to measure a charge level of the battery, determine whether the measured charge level is sufficient for only a predetermined number N of aerosolisation sessions by the heater, and to indicate, using the indicator in a first manner, when the measured charge level is sufficient for only N aerosolisation sessions by the heater.

Abstract: A method for controlling an aerosol generating device includes receiving an indication to start an aerosol generating session via a user input element; receiving a temperature of a heater measured by a temperature sensor; retrieving a session counter value from a memory; controlling the heater to perform an aerosol generating session according to the temperature of the heater and the session counter value; and when the temperature of the heater becomes lower than a first predetermined temperature, resetting the session counter value. Control circuitry configured to perform the method and an aerosol generating device including the control circuitry are also provided.

Abstract: The invention relates to an aerosol generation device including a heating element arranged for heating an aerosol substrate such as a tobacco stick; an energy supply configured to power said heating element; a temperature sensor configured to measure the temperature of the heating element; a controller configured to control, as soon as said aerosol generation device is turned on, power supplied from said energy supply to the heating element to heat up the heating element to a first temperature comprised within an operational temperature range wherein power can only be supplied to the heating element at an activation time of said aerosol device when said aerosol device is turned on, if the temperature of the heating element is lower than a predetermined activation temperature.

Abstract: The present invention relates to a heater assembly for an aerosol generating device. The heater assembly includes a tubular heating chamber and a flexible thin film heater comprising a heating element track supported on a surface of a flexible electrically insulating backing film; wherein the flexible thin film heater is wrapped around an outer surface of the heating chamber with the backing film toward the heating chamber. The invention further includes a temperature sensor comprising a temperature sensing element configured to sense a local temperature, wherein the temperature sensing element is positioned so as to overlap with a portion of heating element track. Because the temperature sensing element overlaps with a portion of the heating element track, the temperature sensor provides a more accurate reading of the temperature of the heating element itself.

Abstract: An electronic cigarette comprises a control circuitry, a vaporizing unit, and a liquid store. The vaporizing unit is a unitary element comprising a plurality of fluidic channels configured to receive liquid from the liquid store. The fluidic channels are separated into a plurality of groups and each group of fluidic channels is thermally connected to a separate heating element. The control circuitry is configured to selectively operate one or more of the heating elements to selectively heat one or more corresponding groups of fluidic channels).

Abstract: An aerosol generating device includes: a heating chamber arranged to hold an aerosol generating medium; a heater arranged, in use, to heat the heating chamber; a temperature measuring means arranged to measure the temperature of the heater or heating chamber; at least one indicator configured to indicate when the measured temperature has reached a use temperature and/or when an initialisation heating time has elapsed; a memory storing one or more rules, each rule defining an operating process of the heater and the indicator; control circuitry configured to select a rule stored in the memory and operate the heater and indicator according to the selected rule, such that the indicator is operated to indicate when the measured temperature has reached a use temperature and/or when an initialisation heating time has elapsed, thereby signalling when the aerosol generating device is ready for use.

Abstract: A heater assembly for an aerosol generating device includes a flexible heating element; a temperature sensor; and a flexible dielectric backing film with an adhesive on a surface of the flexible dielectric backing film, wherein the temperature sensor and the flexible heating element are supported adjacent to each other on the adhesive on the surface of the flexible backing film. The heater assembly allows for a more precise measurement of the heater temperature to be obtained while simplifying the assembly process.

Abstract: A thin film heater includes a flexible heating element and a flexible electrically insulating backing film supporting the heating element; wherein the backing film includes one or both of a fluoropolymer or Polyetheretherketone. By using a fluoropolymer or Polyetheretherketone, improved dielectric and mechanical properties are provided, which are particularly suited to application in an aerosol generating device. A method of fabricating a thin film heater is also provided.

Abstract: A sheet-type aerosol generating article includes at least two aerosol generating sheets each having aerosol generating material and an inductively heatable susceptor The inductively heatable susceptor is positioned between the aerosol generating sheets and each of the aerosol generating sheets has an exposed surface. Methods for manufacturing sheet-type aerosol generating articles are also disclosed.

Abstract: A sheet-type aerosol generating article includes at least two aerosol generating sheets each having aerosol generating material and an inductively heatable susceptor The inductively heatable susceptor is positioned between the aerosol generating sheets and each of the aerosol generating sheets has an exposed surface. Methods for manufacturing sheet-type aerosol generating articles are also disclosed.

Abstract: An aerosol generating device for heating an aerosol generating article to generate an aerosol for inhalation by a user includes an induction coil and a heating compartment arranged to receive an aerosol generating article. The device further includes a projecting element which projects into the heating compartment so that at least part of the projecting element is positioned inside an aerosol generating article received in the heating compartment, and at least part of the projecting element is inductively heatable in the presence of a time varying electromagnetic field.

Abstract: A smoking device includes a heating chamber for heating a tobacco consumable and a storage portion for storing the tobacco consumable. The storage portion is resealable. In some embodiments, the smoking device is elongate and the storage portion includes a resealable closure situated at or toward an end of the device. Also provided is a smoking kit including the smoking device and a tobacco consumable.