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WO2025141022A1 - Cartouche symétrique pour un dispositif de génération d'aérosol - Google Patents

Cartouche symétrique pour un dispositif de génération d'aérosol Download PDF

Info

Publication number
WO2025141022A1
WO2025141022A1 PCT/EP2024/088308 EP2024088308W WO2025141022A1 WO 2025141022 A1 WO2025141022 A1 WO 2025141022A1 EP 2024088308 W EP2024088308 W EP 2024088308W WO 2025141022 A1 WO2025141022 A1 WO 2025141022A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge
aerosol
contact
generating device
cavity
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/EP2024/088308
Other languages
English (en)
Inventor
Matteo Bologna
Sébastien CAPELLI
Jerome Uthurry
Bruno Christian Joseph CHASSOT
Alexandre REDONDO
Srđan ISAJLOVIĆ
Yaobo DING
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 WO2025141022A1 publication Critical patent/WO2025141022A1/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
    • A24F40/42—Cartridges or containers for inhalable precursors
    • 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
    • A24F40/10—Devices using liquid inhalable precursors
    • 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
    • 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

Definitions

  • the center of the cartridge may be a geometric center of the cartridge.
  • the first contact may be closer to the proximal end of the cartridge than to the distal end of the cartridge.
  • the second contact may be closer to the distal end of the cartridge than to the proximal end of the cartridge.
  • the center of the cartridge may be a center point of the longitudinal central axis of the cartridge.
  • the center point of the longitudinal central axis may have the same distance from the proximal end of the cartridge and from the distal end of the cartridge.
  • the heating element may be point symmetric with respect to the center of the cartridge.
  • the heating element may lie in the width plane lying in the width direction of the cartridge and through which the longitudinal central axis of the cartridge runs.
  • the heating element may comprise heating tracks.
  • the heating tracks may be arranged in a wound, coiled, zigzag or spiral pattern.
  • the cartridge may further comprise a proximal recess and a distal recess.
  • the proximal and distal recesses may be arranged point symmetric with respect to the center of the cartridge.
  • proximal recess may be shaped identical to the distal recess.
  • the distal air openings may be configured as an air inlet.
  • the distal air openings may comprise one or more apertures to allow airflow into the cartridge.
  • the proximal air openings may be configured as an air outlet.
  • the distal air openings may comprise one or more apertures to allow outflow of air or aerosol out of the cartridge.
  • the distal air openings may alternatively be configured as the air outlet and the proximal air openings may be configured as the air inlet.
  • the distal air openings are configured as both the air inlet and the air outlet and the proximal air openings are configured as both the air inlet and the air outlet.
  • air may flow through the cartridge in both directions and the specific airflow may only depend upon the insertion orientation of the cartridge into the cavity of the aerosol-generating device.
  • One or both of the proximal air openings and the distal air openings may be arranged in an outer wall of the cartridge.
  • One or both of the proximal air openings and the distal air openings may fluidly connect the inside of the cartridge with the outside of the cartridge.
  • the cartridge may comprise a cartridge housing which may be point symmetric with respect to the center of the cartridge.
  • All elements of the cartridge may be point symmetric with respect to the center of the cartridge.
  • the cartridge may be configured as a replaceable cartridge.
  • the cartridge may be provided as external to the aerosol-generating device so that the cartridge can be received by the aerosol-generating device, more particularly by the cavity of the aerosol-generating device. After the cartridge is spent, the spent cartridge can be removed from the cavity of the aerosol-generating device and a fresh cartridge can be inserted into the cavity of the aerosol-generating device.
  • the cartridge may comprise a substrate storage portion.
  • the substrate storage portion may be fluidly connected with the cartridge outlet.
  • the heating element may be arranged in the cartridge.
  • the heating element may be arranged in the cartridge in order to heat the aerosol-forming substrate also arranged in the cartridge.
  • the electrical contacts of the cartridge may electrically contact the heating element.
  • the electrical contacts may be arranged on the housing of the cartridge.
  • the electrical contacts of the cartridge When the cartridge is received in the cavity of the aerosol-generating device, the electrical contacts of the cartridge may electrically contact corresponding electrical contacts of the aerosol-generating device, preferably of a main body of the aerosol-generating device.
  • the electrical contacts of the aerosol-generating device may be electrically contacted with the power supply of the aerosolgenerating device. In this way, when the cartridge is received in the cavity, the power supply of the aerosol-generating device can power the heating element of the cartridge.
  • the heating element may be configured as a resistive heating element.
  • the heating element may comprise heating tracks.
  • the heating tracks may be arranged in a wound, coiled, zigzag or spiral pattern.
  • the heating element may be configured as an inductive heating element.
  • the heating element may comprise an induction coil.
  • the heating element may further comprise a susceptor element which may be heated by eddy currents induced by an alternating current running through the induction coil.
  • the susceptor element in this case may be arranged inside of the induction coil.
  • the susceptor element may be provided in the cartridge while the induction coil may be provided in the aerosol-generating device, particularly the main body of the aerosol-generating device.
  • both the susceptor element as well as the induction coil may be provided in the cartridge.
  • the invention further relates to an aerosol-generating device that may comprise a cavity for receiving the cartridge as described herein.
  • the device may further comprise a third contact and a fourth contact.
  • the third contact may be arranged at a first side of a side wall of the cavity and the fourth contact may be arranged at a second opposite side of the sidewall of the cavity.
  • the device may further comprise a power supply electrically connected with the third contact and the fourth contact.
  • the power supply may be configured to supply electrical energy to the heating element of the cartridge, when the cartridge may be received in the cavity.
  • the invention further relates to an aerosol-generating device, comprising a cavity for receiving the cartridge as described herein.
  • the device further comprises a third contact and a fourth contact.
  • the third contact is arranged at a first side of a side wall of the cavity and the fourth contact is arranged at a second opposite side of the sidewall of the cavity.
  • the device further comprises a power supply electrically connected with the third contact and the fourth contact.
  • the power supply is configured to supply electrical energy to the heating element of the cartridge, when the cartridge may be received in the cavity.
  • Providing the aerosol-generating device with the third and fourth contacts at opposite sides of the sidewall of the cavity enables a contacting of the contacts of the aerosol-generating device with the contacts of the cartridge independent of the insertion orientation of the cartridge into the cavity of the aerosol-generating device.
  • One or both of the third contact and the fourth contact may comprise spring-biased connectors, preferably with rounded terminations.
  • the aerosol-forming substrate may be as described in one of WO2022154863, WO2022154869 and WO2021262266, which are incorporated herein by reference.
  • the internal heating element may be deposited in or on a rigid carrier material.
  • the electrically resistive heating element may be formed using a metal having a defined relationship between temperature and resistivity.
  • the metal may be formed as a track on a suitable insulating material, such as ceramic material, and then sandwiched in another insulating material, such as a glass. Heaters formed in this manner may be used to both heat and monitor the temperature of the heating elements during operation.
  • the heating element may be configured as an induction heating element.
  • the induction heating element may comprise an induction coil and a susceptor.
  • a susceptor is a material that is capable of generating heat, when penetrated by an alternating magnetic field. When located in an alternating magnetic field. If the susceptor is conductive, then typically eddy currents are induced by the alternating magnetic field. If the susceptor is magnetic, then typically another effect that contributes to the heating is commonly referred to hysteresis losses. Hysteresis losses occur mainly due to the movement of the magnetic domain blocks within the susceptor, because the magnetic orientation of these will align with the magnetic induction field, which alternates.
  • hysteresis losses Another effect contributing to the hysteresis loss is when the magnetic domains will grow or shrink within the susceptor.
  • the susceptor is both magnetic and electrically conductive, both hysteresis losses and the generation of eddy currents will contribute to the heating of the susceptor.
  • the susceptor is magnetic, but not conductive, then hysteresis losses will be the only means by which the susceptor will heat, when penetrated by an alternating magnetic field.
  • the susceptor may be electrically conductive or magnetic or both electrically conductive and magnetic.
  • An alternating magnetic field generated by one or several induction coils heat the susceptor, which then transfers the heat to the aerosol-forming substrate, such that an aerosol is formed.
  • the heat transfer may be mainly by conduction of heat. Such a transfer of heat is best, if the susceptor is in close thermal contact with the aerosol-forming substrate.
  • a cartridge refers to an element comprising an aerosol-forming substrate that is capable of releasing volatile compounds that can form an aerosol.
  • a cartridge may be a smoking cartridge that generates an aerosol that is directly inhalable into a user’s lungs through the user's mouth.
  • a cartridge may be disposable.
  • aerosol-forming substrate relates to a substrate capable of releasing one or more volatile compounds that can form an aerosol. Such volatile compounds may be released by heating the aerosol-forming substrate.
  • An aerosol-forming substrate may conveniently be part of an aerosol-generating article or smoking article.
  • the aerosol-forming substrate may be a solid aerosol-forming substrate.
  • the aerosolforming 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 non-tobacco material.
  • the aerosol-forming substrate may comprise an aerosol former that facilitates the formation of a dense and stable aerosol. Examples of suitable aerosol formers are glycerine and propylene glycol.
  • Example 1 A cartridge for an aerosol-generating device, wherein the cartridge comprises: a storage portion comprising aerosol-forming substrate, a heating element for heating the aerosol-forming substrate, and a first contact and a second contact, wherein the first and second contacts are configured to electrically contact the heating element, and wherein the first and second contacts are arranged point symmetric with respect to a center of the cartridge.
  • Example 2 The cartridge according to example 1 , wherein the first contact is arranged at a first side of a sidewall of the cartridge and the second contact is arranged at an opposite second side of the sidewall of the cartridge.
  • Example 3 The cartridge according to example 2, wherein the first contact is equally distanced from a proximal end of the cartridge and from a distal end of the cartridge.
  • Example 4 The cartridge according to example 2 or 3, wherein the second contact is equally distanced from the proximal end of the cartridge and from the distal end of the cartridge.
  • Example 5 The cartridge according to example 2, wherein the first contact is closer to the proximal end of the cartridge than to the distal end of the cartridge.
  • Example 6 The cartridge according to example 2 or 5, wherein the second contact is closer to the distal end of the cartridge than to the proximal end of the cartridge.
  • Example 7 The cartridge according to any of the preceding examples, wherein the center of the cartridge is a center point of a longitudinal central axis of the cartridge, wherein the center point of the longitudinal central axis has the same distance from the proximal end of the cartridge and from the distal end of the cartridge.
  • Example 8 The cartridge according to any of the preceding examples, wherein the heating element is point symmetric with respect to the center of the cartridge.
  • Example 9 The cartridge according to any of the preceding examples, wherein the cartridge further comprises a proximal recess and a distal recess, and wherein the proximal and distal recesses are arranged point symmetric with respect to the center of the cartridge.
  • Example 10 The cartridge according to example 9, wherein one or both of the proximal recess comprises proximal air openings and the distal recess comprises distal air openings.
  • Example 11 The cartridge according to any of the preceding examples, wherein the cartridge comprises a cartridge housing which is point symmetric with respect to the center of the cartridge.
  • Example 12 An aerosol-generating device, comprising: a cavity for receiving the cartridge according to any of the preceding examples, a third contact and a fourth contact, wherein the third contact is arranged at a first side of a side wall of the cavity and the fourth contact is arranged at a second opposite side of the sidewall of the cavity, a power supply electrically connected with the third contact and the fourth contact, wherein the power supply is configured to supply electrical energy to the heating element of the cartridge, when the cartridge is received in the cavity.
  • Example 13 The aerosol-generating device of example 12, wherein one or both of the third contact and the fourth contact comprise spring-biased connectors, preferably with rounded terminations.
  • Example 14 The aerosol-generating device of example 12 or 13, wherein one or both of the third contact and the fourth contact are mounted at the sidewall of the cavity or embedded within the sidewall of the cavity.
  • Example 15 The aerosol-generating device of any of examples 12 to 14, wherein the aerosol-generating device further comprises a fifth contact and a sixth contact, wherein the fifth contact is arranged at the first side of a side wall of the cavity and the fourth contact is arranged at the second opposite side of the sidewall of the cavity.
  • Example 16 The aerosol-generating device of example 15, wherein the third contact is arranged proximal of the fifth contact and the fourth contact is arranged proximal of the sixth contact.
  • Example 17 The aerosol-generating device of example 15 or 16, wherein a distance between the third contact and a proximal end of the aerosol-generating device is the same as a distance between the fourth contact and the proximal end of the aerosol-generating device.
  • Example 18 The aerosol-generating device of any of examples 15 to 17, wherein a distance between the fifth contact and a proximal end of the aerosol-generating device is the same as a distance between the sixth contact and the proximal end of the aerosol-generating device.
  • Example 19 The aerosol-generating device of any of examples 15 to 18, wherein the third contact and the fifth contact are directly electrically connected with each other.
  • Example 20 The aerosol-generating device of any of examples 15 to 19, wherein the fourth contact and the sixth contact are directly electrically connected with each other.
  • Example 21 An aerosol-generating system comprising the cartridge according to any of examples 1 to 11 and the aerosol-generating device according to any of examples 12 to 20.
  • Fig. 1 shows a sectional side view of an aerosol-generating system comprising an aerosol-generating device and a removable cartridge;
  • Fig. 2 shows a proximal section of the aerosol-generating device with a closed mouthpiece
  • Fig. 3 shows a side view of the cartridge to be inserted into the aerosol-generating device, wherein the cartridge comprises optimized contacts;
  • Fig. 4 shows the heating element of the cartridge
  • Fig. 5 shows the insertion of the cartridge into a cavity of the aerosol-generating device
  • Fig. 6 shows an alternative arrangement of the contacts of the cartridge
  • Fig. 7 shows the heating element and the contacting of the heating element with the contacts is shown in Figure 6;
  • Fig. 8 shows the insertion of the cartridge of Figures 6 and 7 into the cavity of the aerosol-generating device, wherein the cavity has four contacts;
  • Figs. 9A-D show the invariant of the cartridge concerning multiple rotations.
  • the cartridge 16 comprises aerosol-forming substrate.
  • the aerosol-forming substrate is arranged in a substrate storage (not shown) of the cartridge 16.
  • the vaporized aerosol-forming substrate is entrained in the airflow flowing through the cartridge 16.
  • FIG. 3 further shows a first electrical contact 48 and a second electrical contact 50 of the cartridge 16.
  • the first electrical contact 48 is arranged at a first side 52 of a side wall of the cartridge 16 and the second electrical contact 50 is arranged at a opposite second side 54 of the sidewall of the cartridge 16.
  • the first side 52 and the second side 54 are arranged opposite each other with respect to a width direction of the cartridge 16.
  • the width direction is measured along the lateral central axis 44.
  • a proximal distance between the first electrical contact 48 and the proximal end 38 of the cartridge 16 is equal to a distal distance between the first electrical contact 48 and the distal end 42 of the cartridge 16.
  • the first electrical contact 48 is arranged centrally at the first side 52 of the sidewall of the cartridge 16.
  • the second contact is arranged centrally at the second side 54 of the sidewall of the cartridge 16.
  • both the first contact as well as the second contact are arranged centrally around the lateral central axis 44 of the cartridge 16. This leads to an invariance of the cartridge 16 with respect to one or both of a 180° rotation around the lateral central axis 44 of the cartridge 16 and a 180° rotation around the longitudinal central axis 46 of the cartridge 16.
  • Figure 4 shows the heating element 58 of the cartridge 16.
  • the first electrical contact 48 of the cartridge 16 is electrically connected with the heating element 58.
  • the second electrical contact 50 of the cartridge 16 is electrically connected with the heating element 58.
  • the heating element 58 comprises heating tracks.
  • the heating element 58 is arranged point symmetric with respect to the center 56 of the cartridge 16.
  • the first electrical contact 48 of the cartridge 16 may be electrically connected with the heating element 58 via a first connection portion 60.
  • the second electrical contact 50 of the cartridge 16 may be electrically contacted with the heating element 58 via a second connection portion 62.
  • Figure 4 further shows the distal air openings 64 enabling airflow into the cartridge 16 or out of the cartridge 16 depending upon the orientation of the cartridge 16 when inserting the cartridge 16 into the cavity 22 of the aerosol-generating device.
  • the first electrical contact 48 of the cartridge 16 comes into contact with the third electrical contact 66 of the aerosol-generating device and the second electrical contact 50 of the cartridge 16 comes into contact with the fourth electrical contact 70 of the aerosol-generating device independent from the orientation of the insertion of the cartridge 16 into the cavity 22 of the aerosol-generating device. More generally, one of the first and second electrical contact 50 of the cartridge 16 comes into contact with the third or fourth electrical contact 70 of the aerosol-generating device and the other of the first and second electrical contact 50 of the cartridge 16 comes into contact with the other of the third and fourth electrical contact 70 of the aerosol-generating device when the cartridge 16 is inserted into the cavity 22 of the aerosol-generating device independent of the orientation of the insertion of the cartridge 16 into the cavity 22.
  • Figure 7 shows the electrical connection between the heating element 58 and the first electrical contact 48 and the second electrical contact 50 of the cartridge 16 in the embodiment of the electrical contacts from Figure 6.
  • the fourth electrical contact 70 and the sixth electrical contact 86 are both electrically connected to the power supply 18 of the aerosol-generating device. Both the third electrical contact 66 and the fourth electrical contact 70 are arranged, from the base 24 of the cavity 22, by the first distance 80. Consequently, the fifth electrical contact 84 and the sixth electrical contact 86 arranged, from the base 24 of the cavity 22, by the second distance 82.

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Abstract

L'invention se rapporte à une cartouche (16) pour un dispositif de génération d'aérosol. La cartouche (16) comprend une partie de stockage comprenant un substrat de formation d'aérosol. La cartouche (16) comprend en outre un élément chauffant (58) pour chauffer le substrat de formation d'aérosol. La cartouche (16) comprend en outre un premier contact (48) et un second contact (50). Les premier et second contacts (48, 50) sont conçus pour entrer en contact électrique avec l'élément chauffant (58). Les premier et second contacts (48, 50) sont agencés avec une symétrie ponctuelle par rapport à un centre de la cartouche. La présente invention se rapporte en outre à un dispositif de génération d'aérosol et à un système de génération d'aérosol.
PCT/EP2024/088308 2023-12-28 2024-12-23 Cartouche symétrique pour un dispositif de génération d'aérosol Pending WO2025141022A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23220458.6 2023-12-28
EP23220458 2023-12-28

Publications (1)

Publication Number Publication Date
WO2025141022A1 true WO2025141022A1 (fr) 2025-07-03

Family

ID=89427080

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/088308 Pending WO2025141022A1 (fr) 2023-12-28 2024-12-23 Cartouche symétrique pour un dispositif de génération d'aérosol

Country Status (1)

Country Link
WO (1) WO2025141022A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160345629A1 (en) * 2014-02-10 2016-12-01 Philip Morris Products S.A. Aerosol-generating system comprising a device and a cartridge, in which the device ensures electrical contact with the cartridge
WO2021262266A1 (fr) 2020-06-23 2021-12-30 Altria Client Services Llc Capsules à canaux internes, dispositifs de génération d'aérosol à chauffage sans combustion (hnb), et procédés de génération d'un aérosol
US20220211106A1 (en) * 2021-01-04 2022-07-07 Altria Client Services Llc Capsules with integrated mouthpieces, heat-not-burn (hnb) aerosol-generating devices, and methods of generating an aerosol
WO2022154863A1 (fr) 2021-01-18 2022-07-21 Altria Client Services Llc Capsules et dispositifs de génération d'aérosol à chauffage sans combustion (hnb)
WO2022154869A1 (fr) 2021-01-18 2022-07-21 Altria Client Services Llc Dispositifs de génération d'aérosol à chauffage sans combustion (hnb) et capsules
EP3863438B1 (fr) * 2018-10-12 2023-08-30 RAI Strategic Holdings, Inc. Connecteurs pour former des connexions électriques et mécaniques entre des unités interchangeables dans un système de distribution d'aérosol

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160345629A1 (en) * 2014-02-10 2016-12-01 Philip Morris Products S.A. Aerosol-generating system comprising a device and a cartridge, in which the device ensures electrical contact with the cartridge
EP3863438B1 (fr) * 2018-10-12 2023-08-30 RAI Strategic Holdings, Inc. Connecteurs pour former des connexions électriques et mécaniques entre des unités interchangeables dans un système de distribution d'aérosol
WO2021262266A1 (fr) 2020-06-23 2021-12-30 Altria Client Services Llc Capsules à canaux internes, dispositifs de génération d'aérosol à chauffage sans combustion (hnb), et procédés de génération d'un aérosol
US20220211106A1 (en) * 2021-01-04 2022-07-07 Altria Client Services Llc Capsules with integrated mouthpieces, heat-not-burn (hnb) aerosol-generating devices, and methods of generating an aerosol
WO2022154863A1 (fr) 2021-01-18 2022-07-21 Altria Client Services Llc Capsules et dispositifs de génération d'aérosol à chauffage sans combustion (hnb)
WO2022154869A1 (fr) 2021-01-18 2022-07-21 Altria Client Services Llc Dispositifs de génération d'aérosol à chauffage sans combustion (hnb) et capsules
US20220225672A1 (en) * 2021-01-18 2022-07-21 Altria Client Services Llc Heat-not-burn (hnb) aerosol-generating devices and capsules

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