Abstract:
There is provided a method and apparatus for manufacturing an airflow directing segment for a smoking article. The method includes feeding a continuous web of material having a first longitudinal edge and a second longitudinal edge; applying adhesive to the web material; forming the web into a channel; forming the channel into a closed tube of web material, the first longitudinal edge overlapping with the second longitudinal edge; compressing the tube of web material; feeding at least one continuous porous material about the formed tube of web material to form a substantially continuous airflow directing segment; and cutting the substantially continuous airflow directing segment to form discrete airflow directing segments. There is also provided a smoking article including the airflow directing segment.
Abstract:
An aerosol-generating system is provided, including: an aerosol-generating device, including a housing including ventilation holes, a heating chamber defining a heating zone and being sized to receive at least a portion of an aerosol-forming substrate within the heating zone, an induction element disposed around, or adjacent to, the heating zone, a power supply, and a controller connected to the induction element and configured to provide an alternating electric current to the induction element to generate an alternating magnetic field within the heating zone, the induction element being configured to be controlled to sequentially provide a first alternating magnetic field having a first frequency for a first period of time followed by a second alternating magnetic field having a second frequency for a second period of time.
Abstract:
An aerosol-generating system is provided, including a main component and a cartridge that is removably coupled to the main component, the cartridge including a liquid storage portion containing a liquid aerosol-forming substrate and a fluid-permeable electric heater assembly, and the main component includes a power supply, the heater assembly including: an electrically insulating substrate, an aperture being formed in the substrate, and a heater element fixed to the substrate, the heater element spanning the aperture and including a plurality of electrically conductive filaments connected to first and second electrically conductive contact portions, the first and the second contact portions being disposed on opposite sides of the aperture to one another, the first and the second contact portions being configured to allow contact with the power supply, and the heater assembly being provided at an end of the cartridge that is opposite to a mouthpiece portion of the system.
Abstract:
An aerosol-generating article is provided, including: a plurality of elements assembled in a form of a rod having a mouth end and a distal end upstream from the mouth end, the plurality of elements including an aerosol-forming substrate located at or towards the distal end of the rod, in which an elongate susceptor is arranged substantially longitudinally within the rod and in thermal contact with the aerosol-forming substrate, in which the aerosol-forming substrate includes tobacco, and in which the aerosol-forming substrate further includes a single aerosol former or a combination of two or more aerosol formers. An aerosol-generating system, a method of operating the aerosol-generating article, and a method of producing the aerosol-generating article, are also provided.
Abstract:
An aerosol-generating article is provided for an aerosol-generating device, the aerosol-generating article including: a liquid reservoir including a reservoir outlet and being configured to store an aerosol-forming liquid; a sealing member reversibly transferrable between an open configuration and a closed configuration so as to open or sealingly close the reservoir outlet, respectively; and an actuator member operatively coupled to the sealing member and being configured to transfer the sealing member at least from the closed configuration into the open configuration, in which the actuator member is a thermally driven actuator member comprising a bi-metal, and in which the sealing member is displaceable or deformable between the closed configuration and the open configuration.
Abstract:
A susceptor assembly is provided for inductively heating an aerosol-forming substrate under an influence of an alternating magnetic field, the susceptor assembly including: one or more composite susceptor particles, each one of the one or more composite susceptor particles including a particle core and a particle shell entirely encapsulating the particle core, in which the particle core includes or is made of a ferromagnetic or ferrimagnetic core material having a relative magnetic permeability of at least 200 for frequencies up to 10 kHz at a temperature of 20 degrees Celsius, and in which the particle shell includes or is made of an electrically conductive shell material. An aerosol-generating article for an inductively heating aerosol-generating device, and an aerosol-generating system including an aerosol-generating article, are also provided.
Abstract:
An aerosol-generating device is provided for generating an aerosol by inductive heating of an aerosol-forming substrate, the device including: a device housing including a cavity to removably receive the substrate; first and second induction coils arranged and configured to generate an alternating magnetic field within first and second sections of the cavity, respectively; and a control circuit to selectively drive the first and the second coils to selectively generate an alternating magnetic field within the first and the second sections, respectively, the circuit including: a first LC resonator circuit including the first coil and a first capacitor, and a second LC resonator circuit including the second coil and a second capacitor, the first and the second circuits having a first and a second resonance frequency, respectively, and a driving oscillator circuit including a common oscillator coil to selectively generate an alternating magnetic oscillator field. An aerosol-generating system is also provided.
Abstract:
An inductive heater assembly for an aerosol-generating device is provided, the assembly including: at least one inductor coil configured to generate a varying magnetic field when a varying electric current flows through the coil; at least one susceptor arranged to be penetrated by the magnetic field generated by the coil to heat the susceptor; at least one temperature sensor arranged to determine a temperature of the susceptor, the temperature sensor includes first and second resistive sensing elements, the first element being connected to the second element, and the first element being positioned relative to the second element such that a current induced in the first element by the magnetic field opposes a current induced in the second element by the magnetic field. An aerosol-generating device including the inductive heater assembly, control circuitry, and a power source, is also provided.
Abstract:
An aerosol-generating device is provided, including: an inductive heating arrangement to heat an aerosol-forming substrate and including: a susceptor arrangement heatable by penetration with a varying magnetic field, a first LC circuit having a resonance frequency and including a first inductor coil and capacitor, and a second LC circuit having the same resonance frequency and including a second inductor coil and capacitor; and a controller to drive the first and second circuits with respective first and second currents for generating respective first and second alternating magnetic fields for heating respective first and second portions of the susceptor, supply the first and currents with the resonance frequency a different frequency, respectively, supply the first current to the first circuit during a first phase to increase the first portion to a first operating temperature, and supply the first current with resonance frequency of the circuits during the first phase.
Abstract:
A method is provided for measuring a temperature of a susceptor of an inductive heating arrangement configured to heat an aerosol-forming substrate, the inductive heating arrangement including: a cavity to receive the substrate, at least one inductor coil configured to generate a varying magnetic field when a varying electric current flows through the at least one inductor coil, at least one susceptor arranged relative to the at least one inductor coil such that the at least one susceptor is heatable by penetration of the varying magnetic field, the at least one susceptor being configured to heat the substrate, and at least one temperature sensor; and the method including: providing the at least one temperature sensor in thermal contact with the at least one susceptor, and measuring the temperature of the at least one susceptor when the varying electric current does not flow through the at least one inductor coil.