WO2025190855A1 - Dispositif hygiénique de génération d'aérosol équipé d'un dispositif de chauffage séquentiel - Google Patents

Dispositif hygiénique de génération d'aérosol équipé d'un dispositif de chauffage séquentiel

Info

Publication number
WO2025190855A1
WO2025190855A1 PCT/EP2025/056447 EP2025056447W WO2025190855A1 WO 2025190855 A1 WO2025190855 A1 WO 2025190855A1 EP 2025056447 W EP2025056447 W EP 2025056447W WO 2025190855 A1 WO2025190855 A1 WO 2025190855A1
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol
main body
body housing
generating device
movable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2025/056447
Other languages
English (en)
Inventor
Serge MÄDER
Giovanna LANDI
Valerio OLIANA
Poliana BELISÁRIO ZORZAL
Sean Antony MCMONAGLE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
Original Assignee
Philip Morris Products SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philip Morris Products SA filed Critical Philip Morris Products SA
Publication of WO2025190855A1 publication Critical patent/WO2025190855A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present disclosure relates to an aerosol-generating device.
  • the present disclosure further relates to an aerosol-generating system.
  • an aerosol-generating device for generating an inhalable vapor.
  • Such devices may heat aerosol-forming substrate to a temperature at which one or more components of the aerosol-forming substrate are volatilised without burning the aerosolforming substrate.
  • the aerosol-forming substrate may be present in solid form or in liquid form. Aerosol-forming substrate may be provided as part of an aerosol-generating article.
  • the aerosol-generating article may have a rod shape for insertion of the aerosol-generating article into a cavity, such as a heating chamber, of the aerosol-generating device.
  • a heating element may be arranged in or around the heating chamber for heating the aerosol-forming substrate once the aerosol-generating article is inserted into the heating chamber of the aerosolgenerating device.
  • a cartridge comprising a liquid aerosol-forming substrate may be attached to or inserted into the aerosol-generating device for supplying the liquid aerosol-forming substrate to the device for aerosol generation.
  • the aerosol-generating article or cartridge usually comprises a mixture of different materials.
  • a rodshaped aerosol-generating article may comprise a filter segment, an aerosol-cooling segment, and a metallic susceptor arranged within an aerosol-forming substrate potion, all wrapped within an outer paper wrapper.
  • an aerosol-generating device or system that is more ecologically friendly. It would be desirable to provide an aerosol-generating device which allows sequential heating of different portions of an aerosol-forming substrate. It would be desirable to provide an aerosol-generating device or system that is hygienic. It would be desirable to have a hygienic aerosol-generating device which allows sequential heating of different portions of an aerosol-forming substrate. It would be desirable to provide an aerosolgenerating device or system which allows for a plurality of usage sessions before the aerosolgenerating article or cartridge is depleted. It would be desirable to provide an aerosolgenerating device or system with improved handiness for its transportation and storage. It would be desirable to provide a robust aerosol-generating device.
  • an aerosol-generating device comprising a movable mouthpiece and a main body.
  • the main body may comprise a first main body housing rotatably connected to a second main body housing.
  • the movable mouthpiece may be movable with respect to the main body between a retracted position and an extended position in dependence of a rotational position of the first main body housing with respect to the second main body housing.
  • an aerosol-generating device comprising a movable mouthpiece and a main body.
  • the main body comprises a first main body housing rotatably connected to a second main body housing.
  • the movable mouthpiece is movable with respect to the main body between a retracted position and an extended position in dependence of a rotational position of the first main body housing with respect to the second main body housing.
  • An aerosol-generating device or system that is more ecologically friendly may be provided.
  • An aerosol-generating device which allows sequential heating of different portions of an aerosol-forming substrate may be provided.
  • An aerosol-generating device or system that is hygienic may be provided.
  • a hygienic aerosol-generating device which allows sequential heating of different portions of an aerosol-forming substrate may be provided.
  • An aerosol-generating device or system which allows for a plurality of usage sessions before the aerosol-generating article or cartridge is depleted may be provided.
  • An aerosolgenerating device or system with improved handiness for its transportation and storage may be provided.
  • a robust aerosol-generating device may be provided.
  • the mouthpiece may be protected from debris when being in the retracted position between uses.
  • This may be particularly advantageous for an aerosol-generating device with sequential heating of plural portions of an aerosol-generating article. In use of such devices, a large amount of time, for example several hours or days, may pass between use of different individual portions of the article.
  • the mouthpiece By moving the movable mouthpiece into the retracted position between uses of the individual portions, the mouthpiece may be protected from debris.
  • the mouthpiece may be protected from debris when being in the retracted position. It may thus not be required to use a fresh mouthpiece for each use. A more ecologically friendly device may be provided.
  • the device may comprise a longitudinal central axis.
  • the first main body housing may be axially rotatable relative to the second main body housing around the longitudinal central axis.
  • the first main body housing may be rotatable relative to the second main body housing in a direction perpendicular to the longitudinal central axis.
  • the movable mouthpiece may be movable along the longitudinal central axis between the retracted position and the extended position.
  • the movable mouthpiece may be movable over a distance of between 3 millimeters and 35 millimeters, preferably between 5 millimeters and 15 millimeters, more preferably between 8 millimeters and 12 millimeters along the longitudinal central axis between the retracted position and the extended position.
  • the movable mouthpiece, the first main body housing, and the second main body housing may be arranged in series.
  • the movable mouthpiece, the first main body housing, and the second main body housing may be arranged in series along the longitudinal central axis.
  • the movable mouthpiece may be mechanically coupled to the first main body housing.
  • the movable mouthpiece may be attached to the first main body housing.
  • the movable mouthpiece may be directly abutting the first main body housing.
  • the second main body housing may be attached to the first main body housing.
  • the second main body housing may be directly abutting the first main body housing.
  • the aerosol-generating device may be configured such that, in the retracted position, the movable mouthpiece is at least partly received in a mouthpiece cavity of the first main body housing.
  • the aerosol-generating device may be configured such that, in the extended position, the movable mouthpiece protrudes at least partly out of the mouthpiece cavity of the first main body housing.
  • the mouthpiece cavity may protect the movable mouthpiece in the retracted position.
  • a particularly robust aerosol-generating device may be provided.
  • a more space-saving device may be provided. Handiness of the device for a user may be improved.
  • the mouthpiece By the movable mouthpiece being at least partly received in the mouthpiece cavity in the retracted position, the mouthpiece may particularly effectively be protected from debris between uses.
  • the movable mouthpiece may be arranged at a proximal end of the device.
  • the second main body housing may be arranged at a distal end of the device.
  • the longitudinal central axis may extend between the proximal end and the distal end of the device.
  • the first main body housing may be rotatable relative to the second main body housing in both opposing first and second directions.
  • a rotation in the first direction may move the movable mouthpiece from the retracted position into the extended position.
  • a rotation in the second direction may move the movable mouthpiece from the extended position into the retracted position.
  • the first main body housing may comprise a power source.
  • the power source may be a battery.
  • the second main body housing may comprise a cavity for receiving an aerosolgenerating article.
  • the cavity of the second main body housing may be configured as a heating chamber for heating the aerosol-generating article.
  • the second main body housing may comprise a heater assembly configured for sequentially heating individual portions of the aerosol-generating article.
  • the heater assembly may comprise a tubular element.
  • the tubular element of the heater assembly may coaxially surround the cavity. At least a portion of a sidewall of the tubular element of the heater assembly may be fluid permeable.
  • the aerosol-generating device may comprise an airflow path extending from at least one air inlet to at least one air outlet.
  • the airflow path may extend from at least one air inlet through a first portion of the fluid permeable sidewall into the cavity.
  • the airflow path may extend from the cavity through a second portion of the fluid permeable sidewall towards at least one air outlet arranged at the movable mouthpiece.
  • the airflow path may comprise one or more distribution channels.
  • the one or more distribution channels may be arranged upstream of the first portion of the fluid permeable sidewall.
  • the one or more distribution channels may be configured to distribute incoming air over the first portion of the fluid permeable sidewall.
  • the fluid permeable sidewall of the tubular element of the heater assembly may be a porous sidewall.
  • the porous sidewall may comprise a porous material selected from one or more of a ceramic material, glass, a clay, a metal oxide, an iron oxide, alumina, titania, silica, silica-alumina, zirconia, ceria, a zeolite, and zirconium phosphate.
  • the heater assembly may comprise a plurality of individually controllable heating elements.
  • the individual heating elements may be configured to heat different portions of an aerosol-forming substrate of an aerosol-generating article.
  • the heater assembly may be configured to sequentially heat different portions of an aerosol-forming substrate of an aerosolgenerating article.
  • the heater assembly may be configured to sequentially heat different portions of an aerosol-forming substrate of an aerosol-generating article for one or both of a predetermined temperature and a predetermined duration. For example, for heating one portion, an individual heating element may be controlled to be heated to a temperature of between 250 degrees Celsius and 400 degrees Celsius for a duration of between 3 minutes and 6 minutes.
  • the heater assembly may comprise five individual heating elements and may be configured to sequentially heat five different portions of an aerosol-generating article.
  • five user sessions may be provided by a single article.
  • the movable mouthpiece By moving the movable mouthpiece into the retracted position between each one of the five user sessions, the mouthpiece may be protected from debris between user sessions.
  • the heating elements may be arranged on an inner surface of the sidewall of the tubular element of the heater assembly.
  • the heating elements may be configured as resistive heating elements.
  • the heating elements may be configured as susceptor elements.
  • the aerosol-generating device may be configured to inductively heat the susceptor elements.
  • the aerosol-generating device may comprise one or more inductor coils for inductively heating the susceptor elements.
  • the aerosol-generating device may comprise a plurality of inductor coils, one inductor coil for each susceptor element.
  • the heating elements may each comprise one or more metallic tracks.
  • the first portion of the fluid permeable sidewall may comprise a plurality of first fluid permeable sections arranged along a length of the cavity along the longitudinal central axis of the aerosol-generating device.
  • the first portion of the fluid permeable sidewall may comprise one first fluid permeable section per each of the individual heating elements.
  • Each of the first fluid permeable sections may be configured as a porous sidewall element of the tubular element of the heater assembly.
  • An individual heating element may be arranged on an inner surface each of the porous sidewall elements.
  • the second portion of the fluid permeable sidewall may comprise a plurality of second fluid permeable sections arranged along a length of the cavity along the longitudinal central axis of the aerosol-generating device.
  • the second portion of the fluid permeable sidewall may comprise one second fluid permeable section per each of the individual heating elements.
  • Each of the second fluid permeable sections may be configured as a porous sidewall element of the tubular element of the heater assembly.
  • An individual heating element may be arranged on an inner surface each of the porous sidewall elements.
  • the one or more distribution channels may be configured to distribute incoming air over the plurality of first fluid permeable sections of the first portion of the fluid permeable sidewall.
  • the aerosol-generating device may comprise at least one ascending groove of the second main body housing.
  • the ascending groove may be mechanically coupled to the movable mouthpiece, such that, on rotating the second main body housing with respect to the first main body housing, the ascending groove pushes the movable mouthpiece from the retracted position into the extended position.
  • the ascending groove may have a semi-circular extension.
  • the ascending groove may have a semi-circular extension in a direction orthogonal to the longitudinal central axis.
  • the ascending groove may ascend in a direction parallel to the longitudinal central axis.
  • the slope of the ascending groove may be in a direction parallel to the longitudinal central axis.
  • the ascending groove may have a constant slope along its semi-circular extension.
  • the ascending groove may be mechanically coupled to the movable mouthpiece via a movable first airflow tube of the first main body housing.
  • a downstream end of the movable first airflow tube may be attached to the movable mouthpiece.
  • the downstream end of the movable first airflow tube may be in fluid connection with the movable mouthpiece.
  • An upstream end of the movable first airflow tube may abut the ascending groove.
  • the upstream end of the movable first airflow tube may abut a first end of the ascending groove when the movable mouthpiece is in the retracted position.
  • the upstream end of the movable first airflow tube may abut a second end of the ascending groove when the movable mouthpiece is in the extended position.
  • the upstream end of the movable first airflow tube may move along the ascending groove on rotating the first main body housing with respect to the second main body housing.
  • the aerosol-generating device may be configured such that, when the movable mouthpiece is in the retracted position and the first main body housing is rotated with respect to the second main body housing, the ascending groove pushes the movable first airflow tube and thereby the movable mouthpiece moves into the extended position.
  • At least part of the movable first airflow tube may be slidably arranged within a tubular duct of the first main body housing.
  • the aerosol-generating device may comprise a second airflow tube of the second main body housing.
  • the second airflow tube may be fluidly connected to the movable first airflow tube when the movable mouthpiece is in the extended position.
  • the second airflow tube may be fluidly isolated from the movable first airflow tube when the movable mouthpiece is in the retracted position.
  • the second airflow tube of the second main body housing may extend up to an upper end of the ascending groove, such that, when the movable mouthpiece is in the extended position, a downstream end of the second airflow tube of the second main body housing coincides with an upstream end of first airflow tube of the first main body housing.
  • a downstream end of the second airflow tube may extend to the second end of the ascending groove.
  • the aerosol-generating device may be configured such that the first main body housing is rotatable with respect to the second main body housing, by an angle of between 90 degrees and 270 degrees, preferably between 150 degrees and 210 degrees, more preferably between 160 degrees and 200 degrees, more preferably between 170 degrees and 190 degrees.
  • the aerosol-generating device may comprise an expansion chamber.
  • the expansion chamber may be located downstream of the cavity for receiving the aerosol-generating article.
  • the expansion chamber may function as a nucleation chamber.
  • a portion of the second airflow tube may be configured as an expansion chamber.
  • the aerosol-generating device may comprise a controller.
  • the controller may be configured to initiate an operational mode of the device in dependence of a rotational position of the first main body housing with respect to the second main body housing.
  • the controller may be configured to disable operation of the aerosol-generating device to generate an aerosol when the movable mouthpiece is in the retracted position.
  • the controller may be configured to control the heating element, or the heating elements, in dependence of the rotational position of the first main body housing with respect to the second main body housing.
  • the aerosol-generating system comprises an aerosol-generating device as described herein.
  • the aerosol-generating system comprises an aerosol-generating article.
  • the aerosolgenerating article comprises an aerosol-forming substrate.
  • the aerosol-generating article may be a hollow tubular aerosol-generating article.
  • the hollow tubular aerosol-generating article may comprise a plurality of individual aerosol-forming substrate portions arranged in sequence along a longitudinal axis of the article.
  • the aerosol-generating article may not require for a plurality of different materials.
  • the aerosol-generating article may not require its own mouthpiece.
  • the aerosolgenerating article may consist of the plurality of individual aerosol-forming substrate portions.
  • the aerosol-generating device and system of the present invention may thus use articles which may be easy to manufacture.
  • the aerosol-generating device and system of the present invention may use articles which may be environmentally friendly.
  • the second main body housing of the aerosol-generating device may comprise a cavity for receiving the aerosol-generating article and a heater assembly configured for sequentially heating the individual aerosol-forming substrate portions of the aerosol-generating article.
  • An inner diameter of the hollow tubular aerosol-generating article may be between 1 millimeter and 10 millimeters, preferably between 3 millimeters and 8 millimeters, more preferably between 4 millimeters and 6 millimeters.
  • An outer diameter of the hollow tubular aerosol-generating article may be between 5 millimeters and 20 millimeters, preferably between 8 millimeters and 16 millimeters, more preferably between 10 millimeters and 12 millimeters.
  • a length of an individual aerosol-forming substrate portion may be between 5 millimeters and 15 millimeters, preferably between 7 millimeters and 12 millimeters, more preferably between 8 millimeters and 10 millimeters.
  • the aerosol-generating article may comprise between 1 and 10 individual aerosol-forming substrate portions, preferably between 3 and 8 individual aerosol-forming substrate portions, more preferably between 4 and 6 individual aerosol-forming substrate portions.
  • the aerosol-generating article may comprise 5 individual aerosol-forming substrate portions.
  • a length of the aerosol-generating article may be between 5 millimeters and 150 millimeters, preferably between 30 millimeters and 60 millimeters, more preferably between 40 millimeters and 50 millimeters.
  • the heater assembly may comprise one or more heating elements.
  • the heating element may be a dielectric or capacitive-type heating element.
  • dielectric or capacitive-type heating element can be used having two or more flat or planar electrodes arranged to removably receive an exemplary flat or planar aerosol-generating article therebetween, interconnected via an impedance matching circuit to an AC source, for generating microwaves between the electrodes for capacitive/dielectric heating.
  • the heating element may be a resistive or Joule-type heating element, for example being part of the aerosol-forming device, the exemplary flat or planar aerosol-forming article, or both.
  • the resistive heating element may take any suitable form.
  • the resistive heating element may take the form of one or more flexible heating foils on a dielectric substrate, such as polyimide.
  • the flexible heating foils can be shaped to conform to the perimeter of the respective cavity.
  • a resistive heating element may take the form of a metallic grid or grids, a flexible printed circuit board, a molded interconnect device (MID), ceramic heater, flexible carbon fibre heater or may be formed using a coating technique, such as plasma vapour deposition, on a suitable shaped substrate.
  • MID molded interconnect device
  • a resistive heating element may also be formed using a metal having a defined relationship between temperature and resistivity.
  • the metal may be formed as a track between two layers of suitable insulating materials.
  • a resistive heating element formed in this manner may be used to both heat and monitor the temperature of the resistive heating element during operation.
  • the resistive heating elements are part of the aerosol-forming article, for example a flat or planar aerosol-forming article, for example but not limited to a plate-like shape or having electrically resistive tracks arranged on a flat heater substrate, for example as described in W02016/005530 and WO2016/005533, showing a cartridge with integrated heating elements, these references herewith incorporated by reference in their entirety.
  • the heating element may be a radiation-based heating element, for example but not limited to a semiconductor based heating element, having an array of individual radiationbased heating elements, for example as shown in WO2017/182249, this reference incorporated by reference in its entirety.
  • the radiation-based heating element may a non-contact heater, for example as shown in WO2022/207447, this reference incorporated by reference in its entirety.
  • the radiation-based heating element may comprise a radiation source that can radiate onto a surface or layer of a flat aerosol-forming article to cause aerosolization or vaporization.
  • the radiation source may be configured to emit electromagnetic radiation.
  • the electromagnetic radiation may be microwaves, far infrared, infrared, near infrared, or visible light.
  • the radiation source may be a photonic device or laser irradiation device.
  • the photonic device may be a light-emitting diode (LED).
  • the radiation source may be a perovskite LED.
  • the photonic device may be a thin film that can irradiate electromagnetic radiation, preferably infrared radiation.
  • the radiation source may comprise an infrared radiating coating, for example an NiCr2O4 powder coating or other high-emissivity ceramic coating that can emit infrared light.
  • the heating element may be an induction heating element.
  • the induction heating element may comprise one or more induction coils which each may surround the respective cavity.
  • a helical induction coil may extend around the first and second major boundary surfaces of a cavity.
  • the longitudinal axis of the or each induction coil may be substantially parallel to the principal flow axis.
  • the heating element can be configured to have planar coils configured for inductively heating a flat susceptor inside, outside, or in contact with the aerosol-forming substrate of the flat or planar aerosol-forming article, for example as described in WO2015/177043 or WO2015/177044, these references herewith incorporate by reference in their entirety.
  • the term “longitudinal axis” in respect of an induction coil refers to an axis extending through the centre of the coil in a direction generally perpendicular to the turns of the coil.
  • the induction heating element may be arranged to inductively heat a susceptor.
  • the induction heating element may comprise one or more induction coils located adjacent the first and/or second major boundary surface of a respective cavity.
  • the longitudinal axis of the or each induction coil may be substantially perpendicular to the principal flow axis, for example and to a plane defined by the first major boundary surface.
  • the one or more induction coils may be planar.
  • a planar induction coil may be located adjacent and in parallel to one of the first and second major boundary surfaces of a respective cavity.
  • a first planar induction coil may be located adjacent and in parallel to the first major boundary surface and a second planar induction coil may be located adjacent and in parallel to the second major boundary surface.
  • the susceptor may be part of an aerosol-generating article within the cavity.
  • the susceptor may be part of the aerosol-generating device.
  • the susceptor may be arranged on an inner side of the cavity.
  • one or both of the first and second major boundary surfaces of a respective cavity may comprise a susceptor material.
  • a susceptor may be inductively heated by the or each induction coil.
  • the susceptor then, in turn, conductively, convectively and/or radiatively heats the aerosol-forming substrate located in proximity to the susceptor.
  • a ‘susceptor’ refers to an element that heats up when subjected to a varying or alternating magnetic field.
  • a susceptor is conductive, and heating of the susceptor is the result of eddy currents being induced in the susceptor or hysteresis losses. Both hysteresis losses and eddy currents can occur in a susceptor.
  • a susceptor may include graphite, molybdenum, silicon carbide, stainless steels, niobium, aluminium and any other conductive elements.
  • the susceptor element is a ferrite element.
  • the material and the geometry for the susceptor may be chosen to provide a desired electrical resistance and heat generation.
  • a high frequency alternating current is passed through one or more induction coils to generate one or more corresponding alternating magnetic fields that induce a voltage in a susceptor of an article.
  • the induced voltage causes a current to flow in the susceptor and this current causes Joule heating of the susceptor that in turn heats the aerosol-forming substrate. If the susceptor is ferromagnetic, hysteresis losses in the susceptor may also generate heat.
  • high frequency denotes a frequency ranging from about 500 Kilohertz (KHz) to about 30 Megahertz (MHz) (including the range of 500 KHz to 30 MHz), in particular from about 1 Megahertz (MHz) to about 10 MHz (including the range of 1 MHz to 10 MHz), and even more particularly from about 5 Megahertz (MHz) to about 7 Megahertz (MHz) (including the range of 5 MHz to 7 MHz).
  • magnetic field may refer to a varying or alternating magnetic field.
  • the term ‘current’ may refer to an alternating current.
  • the heating element may be configured or configurable to heat an article received in the cavity to a temperature less than 400 degrees centigrade, for example less than 300 degrees centigrade, say less than 270 degrees centigrade.
  • the heater may be configured or configurable to heat an article for forming an aerosol received in the heating chamber to a temperature less than 250, 225, 200, 175 or 150 degrees centigrade, for example less than 140, 130, 120, 110, 100 or 90 degrees centigrade.
  • the aerosol-generating device may comprise a power source or power supply, typically a battery, within a main body of the aerosol-generating device.
  • the power supply is a Lithium-ion battery.
  • the power supply may be a Nickel-metal hydride battery, a Nickel cadmium battery, or a Lithium based battery, for example a Lithium-Cobalt, a Lithium-lron-Phosphate, Lithium Titanate or a Lithium-Polymer battery.
  • the power supply may be another form of charge storage device such as a capacitor.
  • the power supply may require recharging and may have a capacity that enables to store enough energy for one or more usage experiences; for example, the power supply may have sufficient capacity to continuously generate aerosol for a period of around six minutes or for a period of a multiple of six minutes. In another example, the power supply may have sufficient capacity to provide a predetermined number of puffs or discrete activations of the heating element.
  • aerosol-forming substrate refers to a substrate capable of releasing volatile compounds that can form an aerosol. Such volatile compounds may be released by heating the aerosol-forming substrate.
  • the aerosol-forming substrate may be in solid form or may be in liquid form.
  • the aerosol-forming substrate may be solid or liquid or may comprise both solid and liquid components.
  • An aerosol-forming substrate may be part of an aerosol-generating article.
  • the aerosol-forming substrate may comprise a pharmaceutically active compound.
  • the aerosol-forming substrate may comprise one or more of: tobacco, nicotine, a gel composition and a flavour agent.
  • the aerosol-forming substrate may comprise nicotine.
  • the aerosol-forming substrate may comprise one or more of botanicals, botanical drugs, and pharmaceutical ingredients.
  • the one or more of botanicals, botanical drugs, and pharmaceutical ingredients may be part of an aerosol-forming substrate that can be at least partially aerosolized with an aerosol former for inhalation.
  • the aerosol-forming substrate may comprise one or more of botanicals, botanical drugs, and pharmaceutical ingredients, wherein the substrate has an aerosol former content of between 5% and 30% by weight on a dry weight basis.
  • the aerosol-forming substrate comprises plant material and an aerosol former.
  • the plant material is a plant material comprising an alkaloid, more preferably a plant material comprising nicotine, and more preferably a tobacco-containing material.
  • the aerosol-forming substrate comprises at least 70 percent of plant material, more preferably at least 90 percent of plant material by weight on a dry weight basis.
  • the aerosol-forming substrate comprises less than 95 percent of plant material by weight on a dry weight basis, such as from 90 to 95 percent of plant material by weight on a dry weight basis.
  • the aerosol-forming substrate comprises at least 5 percent of aerosol former, more preferably at least 10 percent of aerosol former by weight on a dry weight basis.
  • the aerosol-forming substrate comprises less than 30 percent of aerosol former by weight on a dry weight basis, such as from 5 to 30 percent of aerosol former by weight on a dry weight basis.
  • the aerosol-forming substrate comprises plant material and an aerosol former, wherein the substrate has an aerosol former content of between 5% and 30% by weight on a dry weight basis.
  • the plant material is preferably a plant material comprising an alkaloid, more preferably a plant material comprising nicotine, and more preferably a tobacco-containing material.
  • Alkaloids are a class of naturally occurring nitrogencontaining organic compounds. Alkaloids are found mostly in plants, but are also found in bacteria, fungi and animals. Examples of alkaloids include, but are not limited to, caffeine, nicotine, theobromine, atropine and tubocurarine. A preferred alkaloid is nicotine, which may be found in tobacco.
  • An aerosol-forming substrate may comprise nicotine.
  • An aerosol-forming substrate may comprise tobacco, for example may comprise a tobacco-containing material containing volatile tobacco flavour compounds, which are released from the aerosol-forming substrate upon heating.
  • an aerosol-forming substrate may comprise homogenised tobacco material, for example cast leaf tobacco.
  • the aerosol-forming substrate may comprise both solid and liquid components.
  • the aerosol-forming substrate may comprise a tobacco-containing material containing volatile tobacco flavour compounds, which are released from the substrate upon heating.
  • the aerosol-forming substrate may comprise a nontobacco material.
  • the aerosol-forming substrate may further comprise an aerosol former. Examples of suitable aerosol formers are glycerine and propylene glycol.
  • tobacco material is used to describe any material comprising tobacco, including, but not limited to, tobacco leaf, tobacco rib, tobacco stem, tobacco stalk, tobacco dust, expanded tobacco, reconstituted tobacco material and homogenised tobacco material.
  • homogenised tobacco denotes a material formed by agglomerating particulate tobacco. Homogenized tobacco may include reconstituted tobacco or cast leaf tobacco, or a mixture of both.
  • reconstituted tobacco refers to paperlike material that can be made from tobacco by-products, such as tobacco fines, tobacco dusts, tobacco stems, or a mixture of the foregoing. Reconstituted tobacco can be made by extracting the soluble chemicals in the tobacco by-products, processing the leftover tobacco fibers into a sheet, and then reapplying the extracted materials in concentrated form onto the sheet.
  • cast leaf is used herein to refer to a sheet product made by a casting process that is based on casting a slurry comprising plant particles (for example, clove particles, or tobacco particles and clove particles in a mixture) and a binder (for example, guar gum) onto a supportive surface, such as a belt conveyor, drying the slurry and removing the dried sheet from the supportive surface.
  • plant particles for example, clove particles, or tobacco particles and clove particles in a mixture
  • a binder for example, guar gum
  • Other added components in the slurry may include fibres, a binder and an aerosol former.
  • the particulate plant materials may be agglomerated in the presence of the binder.
  • the slurry is cast onto a supportive surface and dried to form a sheet of homogenised plant material.
  • the aerosol-forming substrate may comprise one or more flavourants.
  • flavourant refers to a composition having organoleptic properties, which provide a sensory experience to the user, for example to enhance the flavour of aerosol.
  • a flavourant can be used to deliver a gustatory sensation (taste), an olfactory sensation (smell), or both a gustatory and an olfactory sensation to the user, for example when inhaling the aerosol.
  • an aerosol-generating article refers to an article comprising an aerosol-forming substrate that is capable of releasing volatile compounds that can form an aerosol.
  • An aerosol-generating article may be disposable.
  • An aerosol-generating article comprising an aerosol-forming substrate comprising tobacco may be referred to herein as a tobacco stick.
  • aerosol-generating device refers to a device that interacts with an aerosol-forming substrate to generate an aerosol.
  • An aerosol-generating device may interact with one or both of an aerosol-generating article comprising an aerosol-forming substrate, and a cartridge comprising an aerosol-forming substrate.
  • the aerosol-generating device may heat the aerosol-forming substrate to facilitate release of volatile compounds from the substrate.
  • An electrically operated aerosol-generating device may comprise an atomiser, such as an electric heater, to heat the aerosol-forming substrate to form an aerosol.
  • aerosol-generating system refers to the combination of an aerosol-generating device with an aerosol-forming substrate.
  • aerosol-generating system refers to the combination of the aerosol-generating device with the aerosol-generating article.
  • the aerosol-forming substrate and the aerosol-generating device cooperate to generate an aerosol.
  • proximal As used herein, the terms ‘proximal’, ‘distal’, ‘downstream’ and ‘upstream’ are used to describe the relative positions of components, or portions of components, of the aerosolgenerating device and the aerosol-generating article in relation to the direction in which a user draws on the aerosol-generating device or aerosol-generating article during use thereof.
  • the aerosol-generating device may comprise a mouth end through which in use an aerosol exits the aerosol-generating device and is delivered to a user. In use, a user draws on the proximal or mouth end of the aerosol-generating device in order to inhale an aerosol generated by the aerosol-generating device.
  • the aerosol-generating device comprises a distal end opposed to the proximal or mouth end.
  • the proximal or mouth end of the aerosolgenerating device may also be referred to as the downstream end and the distal end of the aerosol-generating device may also be referred to as the upstream end.
  • Components, or portions of components, of the aerosol-generating device may be described as being upstream or downstream of one another based on their relative positions between the proximal, downstream or mouth end and the distal or upstream end of the aerosol-generating device.
  • tubular As used herein, the terms ‘tubular’, ‘tubular unit’, ‘tubular component’, ‘tubular element’, and ‘tubular shape’ refer to three-dimensional objects and three-dimensional geometric shapes comprising a bottom basal plane, a top basal plane, and a sidewall circumscribing a hollow interior, the sidewall being arranged between the bottom basal plane and the top basal plane.
  • the sidewall extends along a longitudinal axis of the tubular element between the bottom basal plane and the top basal plane. The longitudinal axis may be perpendicular to one or both of the bottom basal plane and the top basal plane.
  • a bottom base of the tubular element lies within the bottom basal plane.
  • a top base of the tubular element lies within the top basal plane.
  • a cross-sectional shape of one or both of the bottom and top bases may be circular.
  • a cross-sectional shape of one or both of the bottom and top bases may be non-circular, for example elliptic, stadium-shaped, or rectangular.
  • One or both of the bottom base and the top base may be at least partly open to provide an internal hollow passage of the tubular element.
  • the tubular element may have the shape of a right circular hollow cylinder.
  • the tubular element may have the shape of a non-circular hollow cylinder, for example an elliptic hollow cylinder, or a stadium-shaped hollow cylinder.
  • the tubular element may have the shape of a hollow cuboid.
  • the longitudinal axis of the tubular element may be arranged in parallel to the longitudinal axis of the aerosol-generating device.
  • a longitudinal central axis of the tubular element may coincide with a longitudinal central axis of the aerosol-generating device.
  • Example E1 An aerosol-generating device comprising a movable mouthpiece and a main body, the main body comprising a first main body housing rotatably connected to a second main body housing, wherein the movable mouthpiece is movable with respect to the main body between a retracted position and an extended position in dependence of a rotational position of the first main body housing with respect to the second main body housing.
  • Example E2 The aerosol-generating device according to Example E1 , wherein the device comprises a longitudinal central axis, and wherein the first main body housing is axially rotatable relative to the second main body housing around the longitudinal central axis.
  • Example E3 The aerosol-generating device according to Example E2, wherein the movable mouthpiece is movable along the longitudinal central axis between the retracted position and the extended position.
  • Example E4 The aerosol-generating device according to Example E2 or Example E3, wherein the movable mouthpiece, the first main body housing and the second main body housing are arranged in series along the longitudinal central axis.
  • Example E5 The aerosol-generating device according to any of the preceding examples, wherein the movable mouthpiece is mechanically coupled to the first main body housing.
  • Example E6 The aerosol-generating device according to Example E5, wherein, in the retracted position, the movable mouthpiece is at least partly received in a mouthpiece cavity of the first main body housing, and wherein, in the extended position, the movable mouthpiece protrudes at least partly out of the mouthpiece cavity of the first main body housing.
  • Example E7 The aerosol-generating device according to any of the preceding examples, wherein the movable mouthpiece is arranged at a proximal end of the device, and the second main body housing is arranged at a distal end of the device.
  • Example E8 The aerosol-generating device according to any of the preceding examples, wherein the first main body housing is rotatable relative to the second main body housing in both opposing first and second directions, wherein a rotation in the first direction moves the movable mouthpiece from the retracted position into the extended position, and wherein a rotation in the second direction moves the movable mouthpiece from the extended position into the retracted position.
  • Example E9 The aerosol-generating device according to any of the preceding examples, wherein the second main body housing comprises a cavity for receiving an aerosol-generating article; and a heater assembly configured for sequentially heating individual portions of the aerosolgenerating article.
  • Example E10 The aerosol-generating device according to Example E9, wherein the heater assembly comprises a tubular element coaxially surrounding the cavity, and wherein a sidewall of the tubular element of the heater assembly is fluid permeable.
  • Example E11 The aerosol-generating device according to Example E10, wherein an airflow path of the aerosol-generating device extends from at least one air inlet through a first portion of the fluid permeable sidewall into the cavity, and, further, from the cavity through a second portion of the fluid permeable sidewall towards at least one air outlet arranged at the movable mouthpiece.
  • Example E12 The aerosol-generating device according to Example E11 , wherein the airflow path of the aerosol-generating device comprises a distribution channel arranged upstream of the first portion of the fluid permeable sidewall and being configured to distribute incoming air over the first portion of the fluid permeable sidewall.
  • Example E13 The aerosol-generating device according to any of Examples E10 to E12, wherein the fluid permeable sidewall of the tubular element of the heater assembly is a porous sidewall.
  • Example E14 The aerosol-generating device according to Example E13, wherein the porous sidewall comprises a porous material selected from one or more of a ceramic material, glass, a clay, a metal oxide, an iron oxide, alumina, titania, silica, silica-alumina, zirconia, ceria, a zeolite, and zirconium phosphate.
  • Example E15 The aerosol-generating device according to any of Examples E10 to E14, wherein the heater assembly comprises a plurality of individually controllable heating elements arranged on an inner surface of the sidewall of the tubular element of the heater assembly.
  • Example E16 The aerosol-generating device according to Example E15, wherein the heating elements are configured as resistive heating elements, or are configured as susceptor elements to be inductively heated.
  • Example E17 The aerosol-generating device according to Example E16, wherein the heating elements each comprise one or more metallic tracks.
  • Example E18 The aerosol-generating device according to any of the preceding examples, comprising at least one ascending groove of the second main body housing, the ascending groove being mechanically coupled to the movable mouthpiece, such that, on rotating the second main body housing with respect to the first main body housing, the ascending groove pushes the movable mouthpiece from the retracted position into the extended position.
  • Example E19 The aerosol-generating device according to Example E18, wherein the ascending groove has a semi-circular extension.
  • Example E20 The aerosol-generating device according to Example E19, wherein the ascending groove has a constant slope along its semi-circular extension.
  • Example E21 The aerosol-generating device according to any of Examples E18 to E20, wherein the ascending groove is mechanically coupled to the movable mouthpiece via a movable first airflow tube of the first main body housing.
  • Example E22 The aerosol-generating device according to Example E21 , wherein the device is configured such that, when the movable mouthpiece is in the retracted position and the first main body housing is rotated with respect to the second main body housing, the ascending groove pushes the movable first airflow tube and thereby the movable mouthpiece moves into the extended position.
  • Example E23 The aerosol-generating device according to Example E21 or Example E22, wherein at least part of the movable first airflow tube is slidably arranged within a tubular duct of the first main body housing.
  • Example E24 The aerosol-generating device according to any of Examples E21 to E23, comprising a second airflow tube of the second main body housing, the second airflow tube being fluidly connected to the movable first airflow tube when the movable mouthpiece is in the extended position, and the second airflow tube being fluidly isolated from the movable first airflow tube when the movable mouthpiece is in the retracted position.
  • Example E25 The aerosol-generating device according to Example E24, wherein the second airflow tube of the second main body housing extends up to an upper end of the ascending groove, such that, when the movable mouthpiece is in the extended position, a downstream end of the second airflow tube of the second main body housing coincides with an upstream end of first airflow tube of the first main body housing.
  • Example E26 The aerosol-generating device according to any of the preceding examples, wherein the first main body housing is rotatable with respect to the second main body housing, by an angle of between 90 degrees and 270 degrees, preferably between 150 degrees and 210 degrees, more preferably between 160 degrees and 200 degrees, more preferably between 170 degrees and 190 degrees.
  • Example E27 The aerosol-generating device according to any of the preceding examples comprising a controller, wherein the controller is configured to initiate an operational mode of the device in dependence of a rotational position of the first main body housing with respect to the second main body housing.
  • Example E28 The aerosol-generating device according to Example E27, wherein the controller is configured to disable operation of the aerosol-generating device to generate an aerosol when the movable mouthpiece is in the retracted position.
  • Example E29 The aerosol-generating device according to Example E27 or Example E28, wherein the aerosol-generating device comprises at least one heating element, and wherein the controller is configured to control the at least one heating element in dependence of the rotational position of the first main body housing with respect to the second main body housing.
  • Example E30 An aerosol-generating system comprising an aerosol-generating article comprising an aerosol-forming substrate; and an aerosol-generating device according to any of the preceding examples.
  • Example E31 The aerosol-generating system according to Example E30, wherein the aerosol-generating article is a hollow tubular aerosol-generating article.
  • Example E32 The aerosol-generating system according to Example E31 , wherein the hollow tubular aerosol-generating article comprises a plurality of individual aerosol-forming substrate portions arranged in sequence along a longitudinal axis of the article.
  • Example E33 The aerosol-generating system according to Example E32, wherein the second main body housing of the aerosol-generating device comprises a cavity for receiving the aerosol-generating article; and a heater assembly configured for sequentially heating the individual aerosol-forming substrate portions of the aerosol-generating article.
  • Figs. 1a and 1b show an aerosol-generating device
  • Figs. 2a and 2b show an aerosol-generating device
  • Figs. 3a to 3c show an aerosol-generating device
  • Figs. 4a to 4c show an aerosol-generating device
  • Figs. 5a to 5c show an aerosol-generating device
  • Figs. 6a and 6b show an aerosol-generating device
  • Figs. 7a to 7e show an aerosol-generating article.
  • Figs. 1a and 1 b schematically show an aerosol-generating device in cross-sectional views.
  • the aerosol-generating device comprises a movable mouthpiece 10 and a main body.
  • the main body comprises a first main body housing 20 rotatably connected to a second main body housing 40.
  • the movable mouthpiece 10 is movable with respect to the main body between a retracted position shown in Fig. 1a, and an extended position shown in Fig. 1b.
  • the movable mouthpiece 10 is movable between the retracted position and the extended position in dependence of a rotational position of the first main body housing 20 with respect to the second main body housing 40 as indicated by an arrow in Fig. 1a.
  • the device comprises a longitudinal central axis 12.
  • the first main body housing 20 is axially rotatable relative to the second main body housing 40 around the longitudinal central axis 12.
  • the movable mouthpiece 10 is movable along the longitudinal central axis 12 between the retracted position shown in Fig. 1a and the extended position shown in Fig. 1 b.
  • the movable mouthpiece 10, the first main body housing 20, and the second main body housing 40 are arranged in series along the longitudinal central axis 12.
  • the movable mouthpiece 10 is arranged at a proximal end 14 of the device.
  • the second main body housing 40 is arranged at a distal end 16 of the device.
  • the longitudinal central axis 12 extends between the proximal end 14 and the distal end 16.
  • the movable mouthpiece 10 is mechanically coupled to the first main body housing 20.
  • the movable mouthpiece 10 is directly attached to the first main body housing 20.
  • the second main body housing 40 is directly attached to the first main body housing 20.
  • the aerosol-generating device is configured such that, in the retracted position shown in Fig. 1a, the movable mouthpiece 10 is received in a mouthpiece cavity 22 of the first main body housing 20. In the extended position, the movable mouthpiece 10 protrudes out of the mouthpiece cavity 22 of the first main body housing 20.
  • the mouthpiece cavity 22 may advantageously protect the movable mouthpiece 10 in the retracted position. For example, the mouthpiece may be protected from one or both of dust and mechanical stress.
  • a particularly robust aerosol-generating device may be provided. Longevity of the aerosol-generating device may be improved.
  • the movable mouthpiece 10 being at least partly received in the mouthpiece cavity 22 in the retracted position a more space-saving device may be provided. Handiness of the device for a user may be improved.
  • the first main body housing 20 may be rotatable relative to the second main body housing 40 in both opposing first and second directions.
  • a rotation in the first direction may move the movable mouthpiece 10 from the retracted position into the extended position.
  • a rotation in the second direction may move the movable mouthpiece 10 from the extended position into the retracted position.
  • the second main body housing 40 comprises a cavity 42 for receiving an aerosolgenerating article 100 as shown in Fig. 1 b.
  • the second main body housing 40 may comprise a hinged door 44 which may be opened for loading the aerosol-generating article 100 into the cavity 42.
  • the second main body housing 40 comprises a heater assembly.
  • the heater assembly comprises a plurality of individually controllable heating elements 46 configured for sequentially heating individual portions 102 of the aerosol-generating article 100.
  • the first main body housing 20 may comprise a battery 24 for providing energy to the device.
  • Figs. 2a and 2b show an aerosol-generating device in a configuration with the movable mouthpiece 10 being in the extended position.
  • Fig. 2a shows a side view.
  • Fig. 2b schematically shows a cross-sectional view.
  • the aerosol-generating device of Figs. 2a and 2b may be the same as, or similar to, the aerosol-generating device of Figs. 1a and 1b.
  • the first main body housing 20 may comprise a display 26 for indicating user information.
  • the display 26 may indicate to a user a number of remaining portions 102 of the aerosol-generating article 100 before it is depleted.
  • the first main body housing 20 may comprise a printed circuit board 28.
  • the second main body housing 40 comprises an openable bottom loading element 45 for inserting the aerosol-generating article 100 into the cavity 42.
  • the bottom loading element 45 may be configured as a hinged door 44 as shown in Fig. 1a.
  • the heater assembly comprises a tubular element 48 coaxially surrounding the cavity 42.
  • the tubular element 48 holds the heating elements 46.
  • the heating elements 46 are arranged on an inside surface of the tubular element 48.
  • the aerosol-generating device comprises an airflow path 80 extending from at least one air inlet (not shown in Fig. 2a and Fig. 2b) to at least one air outlet 18 arranged at the movable mouthpiece 10.
  • the airflow path 80 extends from the at least one air inlet into the cavity 42.
  • the airflow path 80 further extends from the cavity 42 through the fluid permeable sidewall of the tubular element 48 towards the at least one air outlet 18.
  • one of the individual heating elements 46 may be heated at a time to heat a corresponding one of the individual portions 102 of the aerosol-generating article 100 housed within cavity 42.
  • the airflow takes up evaporated components from the heated individual portion 102 which then travel further with the airflow along the airflow path 80 to form an inhalable aerosol to exit at the at least one air outlet 18 at the mouthpiece 10.
  • Figs. 3a to 3c schematically show cross-sectional views of an aerosol-generating device.
  • Fig. 3a shows a configuration with the movable mouthpiece 10 being in the retracted position.
  • Fig. 3b shows a configuration with the movable mouthpiece 10 being in the extended position.
  • Fig. 3c shows a cross-sectional view along line A-A’ indicated in Fig. 3b.
  • the aerosol-generating device comprises a movable first airflow tube 30 being at least partly arranged within the first main body housing 20.
  • the movable first airflow tube 30 comprises an upstream end 32 and a downstream end 34.
  • the downstream end 34 is attached to the movable mouthpiece 10.
  • the upstream end 32 is in fluid connection with to the movable mouthpiece 10.
  • the aerosol-generating device is configured such that, when the movable mouthpiece 10 is in the retracted position shown in Fig. 3a, and the first main body housing 20 is then rotated with respect to the second main body housing 40, the movable first airflow tube 30, and thereby the movable mouthpiece 10, move into the extended position shown in Fig. 3b.
  • At least part of the movable first airflow tube 30 may be slidably arranged within a tubular duct 36 of the first main body housing 20 as shown in Fig. 3c.
  • the aerosol-generating device comprises a second airflow tube 50 of the second main body housing 40.
  • the second airflow tube 50 is fluidly connected to the cavity 42.
  • the second airflow tube 50 is fluidly connected to the movable first airflow tube 30 when the movable mouthpiece 10 is in the extended position.
  • the upstream end 32 of the movable first airflow tube 30 is aligned with a downstream end 52 of the second airflow tube 50 to fluidly connect the second airflow tube 50 is fluidly connected to the movable first airflow tube 30.
  • Figs. 4a to 4c and 5a to 5c schematically show cross-sectional views of an aerosolgenerating device.
  • Figs. 4a to 4c show a configuration with the movable mouthpiece 10 being in the retracted position.
  • Fig. 4b shows a cross-sectional view along line B-B’ indicated in Fig. 4a.
  • Fig. 4c shows a detailed subsection of an area C’ indicated in Fig. 4a.
  • Figs. 5a to 5c show a configuration with the movable mouthpiece 10 being in the extended position.
  • Fig. 5b shows a cross-sectional view along line D-D’ indicated in Fig. 5a.
  • Fig. 5c shows a detailed subsection of an area E’ indicated in Fig. 5a.
  • the aerosol-generating device of Figs. 4 and 5 is configured such that, when the movable mouthpiece 10 is in the retracted position, and the first main body housing 20 is then rotated with respect to the second main body housing 40, the movable first airflow tube 30, and thereby the movable mouthpiece 10, move into the extended position shown in Fig. 3b.
  • such configuration is accomplished by means of an ascending groove 54 of the second main body housing 40.
  • the ascending groove 54 is provided at a proximal end of the second main body housing 40.
  • the ascending groove 54 is mechanically coupled to the movable mouthpiece 10, such that, on rotating the second main body housing 40 with respect to the first main body housing 20, the ascending groove 54 pushes the movable mouthpiece 10 from the retracted position into the extended position.
  • the ascending groove 54 has a semi-circular extension in a direction orthogonal to the longitudinal central axis 12 as shown in Figs. 4b and 5b.
  • the ascending groove 54 ascends from a distal end 55 thereof to a proximal end 57 thereof in a direction parallel to the longitudinal central axis 12 as shown in Figs. 4c and 5c.
  • the ascending groove 54 has a constant slope along its semi-circular extension.
  • the ascending groove 54 is mechanically coupled to the movable mouthpiece 10 via the movable first airflow tube 30 of the first main body housing 20.
  • the upstream end 32 of the movable first airflow tube 30 abuts the ascending groove 54.
  • the ascending groove 54 pushes the movable first airflow tube 30 and thereby the movable mouthpiece 10 moves into the extended position.
  • the upstream end 32 of the movable first airflow tube 30 abuts a distal end 55 of the ascending groove 54 when the movable mouthpiece 10 is in the retracted position.
  • the upstream end 32 of the movable first airflow tube 30 abuts a proximal end 57 of the ascending groove 54 when the movable mouthpiece is in the extended position.
  • the upstream end 32 of the movable first airflow tube 30 moves along the ascending groove 54 on rotating the first main body housing 20 with respect to the second main body housing 40.
  • the second airflow tube 50 of the second main body housing 40 extends up to the upper, proximal end 57 of the ascending groove 54, such that, when the movable mouthpiece 10 is in the extended position, the downstream end 52 of the second airflow tube 50 of the second main body housing 40 coincides with the upstream end 32 of first airflow tube 30 of the first main body housing 20.
  • the downstream end 52 of the second airflow tube 50 extends to the proximal end 57 of the ascending groove 54.
  • Figs. 6a and 6b schematically show cross-sectional views of an aerosol-generating device.
  • Fig. 6a shows a configuration with the movable mouthpiece 10 being in the retracted position.
  • Fig. 4b shows a cross-sectional view along line F-F’ indicated in Fig. 6a.
  • the aerosol-generating device may be the same as the device of any of Figs. 1 to 5.
  • the aerosol-generating device comprises at least one air inlet 56 at an upstream end of the airflow path.
  • the fluid permeable sidewall of the tubular element 48 of the heater assembly comprises a first portion upstream of the cavity 42, and a second portion downstream of the cavity 42.
  • the airflow path comprises a distribution channel 58 arranged upstream of the first portion of the fluid permeable sidewall.
  • the distribution channel 58 is configured to distribute incoming air over the first portion of the fluid permeable sidewall.
  • the first portion of the fluid permeable sidewall may comprise a plurality of first fluid permeable sections 60 arranged along a length of the cavity 42, for example one first fluid permeable section 60 per each of the individual portions 102 of the aerosol-generating article 100.
  • first fluid permeable sections 60 there are five first fluid permeable sections 60, one for each of five individual portions 102 of the aerosol-generating article 100.
  • Each of the first fluid permeable sections 60 may be configured as a porous sidewall element of the tubular element 48 of the heater assembly.
  • An individual heating element may be arranged on an inner surface each of the porous sidewall elements.
  • the second portion of the fluid permeable sidewall may comprise a plurality of second fluid permeable sections 62 arranged along a length of the cavity 42, for example one second fluid permeable section 62 per each of the individual portions 102 of the aerosol-generating article 100.
  • there are five second fluid permeable sections 62 one for each of five individual portions 102 of the aerosol-generating article 100.
  • Each of the second fluid permeable sections 62 may be configured as a porous sidewall element of the tubular element 48 of the heater assembly.
  • the airflow path extends from the at least one air inlet 56 to the distribution channel 58, and further from the distribution channel 58 into the cavity 42 via the first fluid permeable sections 60. From the cavity 42, the airflow path further extends into the second airflow tube 50 via the second fluid permeable sections 62.
  • the movable first airflow tube 30 and the second airflow tube 50 are misaligned such that the second airflow tube 50 is fluidly isolated from the movable first airflow tube 30 and there is a dead end of the airflow path at the downstream end 52 of the second airflow tube 50.
  • the second airflow tube 50 can be fluidly connected to the movable first airflow tube 30 by rotating the first main body housing 20 with respect to the second main body housing 40 such that the movable mouthpiece 10 is in the extended position as shown, for example, in the embodiment of Figs. 5a to 5c.
  • Fig. 6b shows an optional modification of the aerosol-generating device comprising an expansion chamber 64.
  • the expansion chamber 64 substitutes an upstream portion of the second airflow tube 50.
  • Fig. 6b further indicates the tubular element 48 of the heater assembly comprising the fluid permeable porous sidewall with the first and second fluid permeable sections 60, 62 and the heating elements 46.
  • the expansion chamber 64 is located upstream of the second airflow tube 50.
  • the expansion chamber 64 is located on the side of the tubular element 48 of the heater assembly comprising the fluid permeable porous sidewall with the second fluid permeable sections 62.
  • air drawn from the distribution channel 58 flows through the first sections 60 into the cavity 42, where the air entrains vapor generated by heating a portion 102 of the aerosol-generating article 100.
  • the vapor then flows through one or more of the second sections 62 into the expansion chamber 64 before entering the second airflow tube 50.
  • the expansion chamber 64 may help the vapor to cool to form an aerosol for inhalation by a user after travelling further through the second airflow tube 50, the movable first airflow tube 30, the movable mouthpiece 10 and the air outlet 18, when being in the extended configuration.
  • Figs. 7a to 7e show an aerosol-generating article 100.
  • the aerosol-generating article 100 is configured as a hollow tubular aerosol-generating article 100.
  • the hollow tubular aerosol-generating article 100 comprises a plurality of individual aerosol-forming substrate portions 102 arranged in sequence along a longitudinal axis 104 of the article 100.
  • An inner diameter 106 of the article 100 and the individual portions 102 may be between 1 millimeter and 10 millimeters, preferably between 3 millimeters and 8 millimeters, more preferably between 4 millimeters and 6 millimeters.
  • An outer diameter 108 of the article 100 and the individual portions 102 may be between 5 millimeters and 20 millimeters, preferably between 8 millimeters and 16 millimeters, more preferably between 10 millimeters and 12 millimeters.
  • a length 110 of each individual portion 102 may be between 5 millimeters and 15 millimeters, preferably between 7 millimeters and 12 millimeters, more preferably between 8 millimeters and 10 millimeters.
  • the aerosol-generating article 100 may comprise between 1 and 10 individual portions 102, preferably between 3 and 8 individual portions 102, more preferably between 4 and 6 individual portions 102.
  • the aerosol-generating article 100 may comprise 5 individual portions 102.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un dispositif de génération d'aérosol comprenant un embout buccal (10) mobile et un corps principal. Le corps principal comprend un premier boîtier de corps principal (20) relié rotatif à un second boîtier de corps principal (40). L'embout buccal mobile est mobile par rapport au corps principal entre une position rétractée et une position déployée en fonction de la position de rotation du premier boîtier de corps principal par rapport au second boîtier de corps principal. L'invention concerne en outre un système de génération d'aérosol comprenant un dispositif de génération d'aérosol et un article de génération d'aérosol comprenant un substrat de formation d'aérosol.
PCT/EP2025/056447 2024-03-15 2025-03-10 Dispositif hygiénique de génération d'aérosol équipé d'un dispositif de chauffage séquentiel Pending WO2025190855A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP24163899.8 2024-03-15
EP24163899 2024-03-15

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Publication Number Publication Date
WO2025190855A1 true WO2025190855A1 (fr) 2025-09-18

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Application Number Title Priority Date Filing Date
PCT/EP2025/056447 Pending WO2025190855A1 (fr) 2024-03-15 2025-03-10 Dispositif hygiénique de génération d'aérosol équipé d'un dispositif de chauffage séquentiel

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WO (1) WO2025190855A1 (fr)

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