WO2025229035A1

WO2025229035A1 - Aerosol provision device and system

Info

Publication number: WO2025229035A1
Application number: PCT/EP2025/061781
Authority: WO
Inventors: Yudong Zhang; Min Xu
Original assignee: Nicoventures Trading Ltd
Current assignee: Nicoventures Trading Ltd
Priority date: 2024-04-30
Filing date: 2025-04-29
Publication date: 2025-11-06
Anticipated expiration: 2026-10-30
Also published as: CN120859209A

Abstract

There is provided an aerosol provision device and an aerosol provision system. The aerosol provision device may comprise: a housing, in which a heating chamber and an opening at the top of the heating chamber are provided; an extractor, which is arranged in the heating chamber and capable of moving along the depth direction of the heating chamber; a driving assembly, comprising a first magnetic element and a second magnetic element that cooperate with each other. The first magnetic element is arranged in the heating chamber, and the second magnetic element is fixedly arranged on the extractor. A repulsive force is formed between the first magnetic element and the second magnetic element to drive the extractor to move towards the direction of the opening.

Description

AEROSOL PROVISION DEVICE AND SYSTEM

Technical Field

The present application relates to the field of aerosol provision technology, and particularly relates to an aerosol provision device and an aerosol provision system.

Background

An aerosol provision system may include an aerosol provision device and an aerosolgenerating article (such as a tobacco article). By inserting the aerosol - generating article into the heating chamber of the aerosol provision device and heating the aerosol - generating article with the aerosol provision device, an aerosol may be obtained.

Summary

In accordance with some embodiments described herein, there is provided an aerosol provision device and an aerosol provision system, which can automatically eject the extractor after the puffing is finished, avoiding the situation that the user manually pulls out the aerosol - generating article, resulting in the aerosol - generating article breaking and remaining in the extractor.

In accordance with some embodiments described herein, there is provided an aerosol provision device. The device may comprise: a housing defining a heating chamber with an opening at its top end; an extractor movably disposed within the heating chamber along its depth direction; and a driving assembly comprising a first magnetic element and a second magnetic element that cooperate with each other, wherein the first magnetic element may be arranged within the heating chamber and the second magnetic element may be fixedly mounted on the extractor. A repulsive force between the first magnetic element and second magnetic element drives the extractor to move towards the direction of the opening.

In embodiments of any of the aforementioned aerosol provision devices, the driving assembly may comprise a coil. The coil may act on the first magnetic element or the second magnetic element, altering the magnetic characteristic of the corresponding magnetic element in the energized state to generate a repulsive force between the first magnetic element and the second magnetic element.

In embodiments of any of the aforementioned aerosol provision devices, the coil may be coaxially aligned with the corresponding magnetic element.

In embodiments of any of the aforementioned aerosol provision device, the device may comprise a heating assembly, wherein the heating assembly may comprise a heating element that can be inserted into the aerosol-generating article. The heating assembly may be fixed within the aerosol provision device. In embodiments of any of the aforementioned aerosol provision devices, the first magnetic element may be arranged at the bottom of the extractor.

In embodiments of any of the aforementioned aerosol provision devices, the heating element may be fixed on the first magnetic element.

In embodiments of any of the aforementioned aerosol provision devices, the first magnetic element may be provided with a central through hole, and the heating element may be installed in the through hole.

In embodiments of any of the aforementioned aerosol provision devices, the housing may further comprise a limiting structure to restrict the movement distance of the extractor along the depth direction.

In embodiments of any of the aforementioned aerosol provision devices, the device may further comprise a guiding structure, wherein the guiding structure may comprise a sliding slot extending along the depth direction and a sliding component that may move along the slot. One of the sliding slot and the sliding component may be arranged on the outer wall of the extractor, while the other one may be arranged on the inner wall of the heating chamber.

In embodiments of any of the aforementioned aerosol provision devices, the sliding slot may be located on the inner wall of the heating chamber, and the sliding component may be an elastic piece formed on the outer wall of the extractor.

In embodiments of any of the aforementioned aerosol provision devices, one end of the elastic piece may be attached to the outer wall of the extractor, while the other end may be a free end.

In embodiments of any of the aforementioned aerosol provision devices, the bottom of the sliding slot may be constructed as an inclined plane. During the movement of the extractor towards the opening, the friction between the sliding piece and the bottom of the sliding slot may gradually decrease.

In embodiments of any of the aforementioned aerosol provision devices, the device may comprise a control system. Both ends of the coil may be electrically connected to the control system. The control system may start supplying power to the coil after the end of a puff.

In embodiments of any of the aforementioned aerosol provision devices, the control system may further comprise a button, and controlling the power supply to the coil via the button.

In embodiments of any of the aforementioned aerosol provision devices, the control system may comprise a battery assembly and a controller, wherein the battery assembly may be connected to the heating element, the coil and the controller respectively, and the controller may be configured to control the battery assembly to supply power to the heating element and the coil. In embodiments of any of the aforementioned aerosol provision devices, the second magnetic element may be a permanent magnet. The first magnetic element may be a permanent magnet or the first magnetic element becomes magnetic after being induced by a magnetic field.

In accordance with some embodiments described herein, there is providedan aerosol provision system, the system comprises the aerosol provision device described in embodiments of any of the aforementioned aerosol provision devices.

In accordance with some embodiments described herein, there is provided an aerosol provision device comprising: a housing; a heating chamber in the housing; an opening providing access to the heating chamber; an extractor within the heating chamber, wherein the extractor is configured to move in an axial direction of the heating chamber; and a driving assembly comprising a first magnetic element fixedly mounted with the housing and a second magnetic element fixedly mounted with the extractor; wherein the first magnetic element and the second magnetic element are configured to magnetically cooperate to provide a biasing force to move the extractor in the axial direction of the heating chamber towards the opening.

In embodiments of any of the aforementioned aerosol provision devices a first end of the sliding slot may be constructed as an inclined plane, such that the friction between the sliding piece and the first end of the sliding slot, which resists the movement of the extractor, may gradually decrease as the extractor moves towards the opening.

In accordance with some embodiments described herein, there is provided an aerosol provision device comprising: a housing; a heating chamber in the housing; an opening providing access to the heating chamber; an extractor within the heating chamber, wherein the extractor is configured to move in an axial direction of the heating chamber; and a magnetic driving assembly configured to magnetically bias the extractor to move in the axial direction of the heating chamber towards the opening.

In embodiments of any of the aforementioned aerosol provision devices the magnetic driving assembly may comprise a first magnetic element and a second magnetic element, wherein the first magnetic element may be a permanent magnet, and wherein the second magnetic element may be an electromagnet.

One or more of any of the above may have at least one or more of the following beneficial effects:

In embodiments, a first magnetic element may be arranged in the heating chamber of a housing, and a second magnetic element may be arranged on the extractor. When the extractor is installed in the heating chamber, through the attractive force or repulsive force formed between the first magnetic element and the second magnetic element, the extractor may move along the depth direction of the heating chamber. Thus, after the puffing is finished, the extractor can drive the aerosol-generating article to automatically eject at least partially, reducing the frictional force between the aerosol-generating article and the heating element, and making the aerosol-generating article easier to take out, reducing or avoiding the aerosolgenerating matrix from remaining on the heating element, and avoiding the aerosol-generating article from breaking and remaining in the extractor.

Fixing the heating element on the first magnetic element and arranging the heating element to penetrate the first magnetic element can may, on the one hand, save the space occupation in the length direction, making the structure of the heating part more compact. On the other hand, arranging the first magnetic element on the movement path of the extractor may make it easier for the first magnetic element to generate an attractive or repulsive force with the second magnetic element, and may be also beneficial to reducing or avoiding the extractor from tilting during the movement process.

Additional aspects and advantages will be partially described in the following description, some will become apparent from the following description.

Brief Description of the Drawings

Referring to the accompanying drawings, the disclosure of the present application will become more understandable. Those skilled in the art can easily understand that these drawings are only for illustrative purposes and are not intended to limit the scope of protection. Moreover, similar numbers in the figures are used to represent similar components, wherein:

Figure 1 is a schematic structural diagram of the aerosol provision system;

Figure 2 is a cross-sectional view of the aerosol provision system;

Figure 3 is a schematic diagram of a partial structure of the aerosol provision device;

Figure 4 is a schematic structural diagram of the extractor;

Figure 5 is a schematic diagram of a partial structure of the aerosol provision device; and

Figure 6 is a cross-sectional view of the housing of the aerosol provision device.

Description of reference numerals:

10, Aerosol provision device; 101 , Housing; 102, Extractor; 103 .Heating chamber; 104, Opening; 105, First opening; 106, First magnetic element; 107, Second magnetic element; 108, Coil; 109, Heating element; 110, Central through hole; 111 , Receiving cavity; 112, Receiving port; 113, Second opening; 114, Limiting block; 115, First limiting part; 116, Second limiting part; 117, Sliding slot; 118, Elastic piece; 119, Bottom of the slot; 120, Battery assembly; 121 , Controller; 122, Free end; 123, Fixed end; 124, Recessed part; 20, Aerosolgenerating article.

Detailed Description The following describes embodiments of the present application with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present application and are not intended to limit the scope of protection of the present application.

As used herein, the term “delivery system” is intended to encompass systems that deliver at least one substance to a user in use, and includes: combustible aerosol provision systems, such as cigarettes, cigarillos, cigars, and tobacco for pipes or for roll-your-own or for make-your-own cigarettes (whether based on tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco, tobacco substitutes or other smokable material); non-combustible aerosol provision systems that release compounds from an aerosolgenerating material without combusting the aerosol-generating material, such as electronic cigarettes, tobacco heating products, and hybrid systems to generate aerosol using a combination of aerosol-generating materials; and aerosol-free delivery systems that deliver the at least one substance to a user orally, nasally, transdermally or in another way without forming an aerosol, including but not limited to, lozenges, gums, patches, articles comprising inhalable powders, and oral products such as oral tobacco which includes snus or moist snuff, wherein the at least one substance may or may not comprise nicotine.

According to the present disclosure, a “combustible” aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is combusted or burned during use in order to facilitate delivery of at least one substance to a user.

In some embodiments, the delivery system is a combustible aerosol provision system, such as a system selected from the group consisting of a cigarette, a cigarillo and a cigar.

In some embodiments, the disclosure relates to a component for use in a combustible aerosol provision system, such as a filter, a filter rod, a filter segment, a tobacco rod, a spill, an aerosol-modifying agent release component such as a capsule, a thread, or a bead, or a paper such as a plug wrap, a tipping paper or a cigarette paper.

According to the present disclosure, a “non-combustible” aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is not combusted or burned in order to facilitate delivery of at least one substance to a user.

In some embodiments, the delivery system is a non-combustible aerosol provision system, such as a powered non-combustible aerosol provision system.

In some embodiments, the non-combustible aerosol provision system is an electronic cigarette, also known as a vaping device or electronic nicotine delivery system (END), although it is noted that the presence of nicotine in the aerosol-generating material is not a requirement.

In some embodiments, the non-combustible aerosol provision system is an aerosolgenerating material heating system, also known as a heat-not-burn system. An example of such a system is a tobacco heating system.

In some embodiments, the non-combustible aerosol provision system is a hybrid system to generate aerosol using a combination of aerosol-generating materials, one or a plurality of which may be heated. Each of the aerosol-generating materials may be, for example, in the form of a solid, liquid or gel and may or may not contain nicotine. In some embodiments, the hybrid system comprises a liquid or gel aerosol-generating material and a solid aerosol-generating material. The solid aerosol-generating material may comprise, for example, tobacco or a non-tobacco product.

Typically, the non-combustible aerosol provision system may comprise a non- combustible aerosol provision device and a consumable for use with the non-combustible aerosol provision device.

In some embodiments, the disclosure relates to consumables comprising aerosolgenerating material and configured to be used with non-combustible aerosol provision devices. These consumables are sometimes referred to as articles throughout the disclosure.

In some embodiments, the non-combustible aerosol provision system, such as a non- combustible aerosol provision device thereof, may comprise a power source and a controller. The power source may, for example, be an electric power source or an exothermic power source. In some embodiments, the exothermic power source comprises a carbon substrate which may be energised so as to distribute power in the form of heat to an aerosol-generating material or to a heat transfer material in proximity to the exothermic power source.

In some embodiments, the non-combustible aerosol provision system may comprise an area for receiving the consumable, an aerosol generator, an aerosol generation area, a housing, a mouthpiece, a filter and/or an aerosol-modifying agent.

In some embodiments, the consumable for use with the non-combustible aerosol provision device may comprise aerosol-generating material, an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generator, an aerosol generation area, a housing, a wrapper, a filter, a mouthpiece, and/or an aerosolmodifying agent.

In some embodiments, the delivery system is an aerosol-free delivery system that delivers at least one substance to a user orally, nasally, transdermally or in another way without forming an aerosol, including but not limited to, lozenges, gums, patches, articles comprising inhalable powders, and oral products such as oral tobacco which includes snus or moist snuff, wherein the at least one substance may or may not comprise nicotine. In some embodiments, the substance to be delivered may be an aerosol-generating material or a material that is not intended to be aerosolised. As appropriate, either material may comprise one or more active constituents, one or more flavours, one or more aerosolformer materials, and/or one or more other functional materials.

In some embodiments, the substance to be delivered comprises an active substance. The active substance as used herein may be a physiologically active material, which is a material intended to achieve or enhance a physiological response. The active substance may for example be selected from nutraceuticals, nootropics, psychoactives. The active substance may be naturally occurring or synthetically obtained. The active substance may comprise for example nicotine, caffeine, taurine, theine, vitamins such as B6 or B12 or C, melatonin, cannabinoids, or constituents, derivatives, or combinations thereof. The active substance may comprise one or more constituents, derivatives or extracts of tobacco, cannabis or another botanical.

In some embodiments, the active substance comprises nicotine. In some embodiments, the active substance comprises caffeine, melatonin or vitamin B12.

As noted herein, the active substance may comprise one or more constituents, derivatives or extracts of cannabis, such as one or more cannabinoids or terpenes.

As noted herein, the active substance may comprise or be derived from one or more botanicals or constituents, derivatives or extracts thereof. As used herein, the term "botanical" includes any material derived from plants including, but not limited to, extracts, leaves, bark, fibres, stems, roots, seeds, flowers, fruits, pollen, husk, shells or the like. Alternatively, the material may comprise an active compound naturally existing in a botanical, obtained synthetically. The material may be in the form of liquid, gas, solid, powder, dust, crushed particles, granules, pellets, shreds, strips, sheets, or the like.

Example botanicals are tobacco, eucalyptus, star anise, hemp, cocoa, cannabis, fennel, lemongrass, peppermint, spearmint, rooibos, chamomile, flax, ginger, ginkgo biloba, hazel, hibiscus, laurel, licorice (liquorice), matcha, mate, orange skin, papaya, rose, sage, tea such as green tea or black tea, thyme, clove, cinnamon, coffee, aniseed (anise), basil, bay leaves, cardamom, coriander, cumin, nutmeg, oregano, paprika, rosemary, saffron, lavender, lemon peel, mint, juniper, elderflower, vanilla, Wintergreen, beefsteak plant, curcuma, turmeric, sandalwood, cilantro, bergamot, orange blossom, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon balm, lemon basil, chive, carvi, verbena, tarragon, geranium, mulberry, ginseng, theanine, theacrine, maca, ashwagandha, damiana, guarana, chlorophyll, baobab or any combination thereof. The mint may be chosen from the following mint varieties: Mentha Arventis, Mentha c.v., Mentha niliaca, Mentha piperita, Mentha piperita citrata c.v., Mentha piperita c.v, Mentha spicata crispa, Mentha cardifolia, Memtha longifolia, Mentha suaveolens variegata, Mentha pulegium, Mentha spicata c.v. and Mentha suaveolens. In some embodiments, the active substance comprises or is derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is tobacco. In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from eucalyptus, star anise, cocoa and hemp.

In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from rooibos and fennel.

In some embodiments, the substance to be delivered comprises a flavour. As used herein, the terms "flavour" and "flavourant" refer to materials which, where local regulations permit, may be used to create a desired taste, aroma or other somatosensorial sensation in a product for adult consumers. They may include naturally occurring flavour materials, botanicals, extracts of botanicals, synthetically obtained materials, or combinations thereof (e.g., tobacco, cannabis, licorice (liquorice), hydrangea, eugenol, Japanese white bark magnolia leaf, chamomile, fenugreek, clove, maple, matcha, menthol, Japanese mint, aniseed (anise), cinnamon, turmeric, Indian spices, Asian spices, herb, Wintergreen, cherry, berry, red berry, cranberry, peach, apple, orange, mango, clementine, lemon, lime, tropical fruit, papaya, rhubarb, grape, durian, dragon fruit, cucumber, blueberry, mulberry, citrus fruits, Drambuie, bourbon, scotch, whiskey, gin, tequila, rum, spearmint, peppermint, lavender, aloe vera, cardamom, celery, cascarilla, nutmeg, sandalwood, bergamot, geranium, khat, naswar, betel, shisha, pine, honey essence, rose oil, vanilla, lemon oil, orange oil, orange blossom, cherry blossom, cassia, caraway, cognac, jasmine, ylang-ylang, sage, fennel, wasabi, piment, ginger, coriander, coffee, hemp, a mint oil from any species of the genus Mentha, eucalyptus, star anise, cocoa, lemongrass, rooibos, flax, ginkgo biloba, hazel, hibiscus, laurel, mate, orange skin, rose, tea such as green tea or black tea, thyme, juniper, elderflower, basil, bay leaves, cumin, oregano, paprika, rosemary, saffron, lemon peel, mint, beefsteak plant, curcuma, cilantro, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon balm, lemon basil, chive, carvi, verbena, tarragon, limonene, thymol, camphene), flavour enhancers, bitterness receptor site blockers, sensorial receptor site activators or stimulators, sugars and/or sugar substitutes (e.g., sucralose, acesulfame potassium, aspartame, saccharine, cyclamates, lactose, sucrose, glucose, fructose, sorbitol, or mannitol), and other additives such as charcoal, chlorophyll, minerals, botanicals, or breath freshening agents. They may be imitation, synthetic or natural ingredients or blends thereof. They may be in any suitable form, for example, liquid such as an oil, solid such as a powder, or gas.

In some embodiments, the flavour comprises menthol, spearmint and/or peppermint. In some embodiments, the flavour comprises flavour components of cucumber, blueberry, citrus fruits and/or redberry. In some embodiments, the flavour comprises eugenol. In some embodiments, the flavour comprises flavour components extracted from tobacco. In some embodiments, the flavour comprises flavour components extracted from cannabis.

In some embodiments, the flavour may comprise a sensate, which is intended to achieve a somatosensorial sensation which are usually chemically induced and perceived by the stimulation of the fifth cranial nerve (trigeminal nerve), in addition to or in place of aroma or taste nerves, and these may include agents providing heating, cooling, tingling, numbing effect. A suitable heat effect agent may be, but is not limited to, vanillyl ethyl ether and a suitable cooling agent may be, but not limited to eucolyptol, WS-3.

Aerosol-generating material is a material that is capable of generating aerosol, for example when heated, irradiated or energized in any other way. Aerosol-generating material may, for example, be in the form of a solid, liquid or gel which may or may not contain an active substance and/or flavourants. In some embodiments, the aerosol-generating material may comprise an “amorphous solid”, which may alternatively be referred to as a“monolithic solid” (i.e. non-fibrous). In some embodiments, the amorphous solid may be a dried gel. The amorphous solid is a solid material that may retain some fluid, such as liquid, within it. In some embodiments, the aerosol-generating material may for example comprise from about 50wt%, 60wt% or 70wt% of amorphous solid, to about 90wt%, 95wt% or 100wt% of amorphous solid.

The aerosol-generating material may comprise one or more active substances and/or flavours, one or more aerosol-former materials, and optionally one or more other functional material.

The aerosol-former material may comprise one or more constituents capable of forming an aerosol. In some embodiments, the aerosol-former material may comprise one or more of glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1 ,3-butylene glycol, erythritol, meso-Erythritol, ethyl vanillate, ethyl laurate, a diethyl suberate, triethyl citrate, triacetin, a diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.

The one or more other functional materials may comprise one or more of pH regulators, colouring agents, preservatives, binders, fillers, stabilizers, and/or antioxidants.

The material may be present on or in a support, to form a substrate. The support may, for example, be or comprise paper, card, paperboard, cardboard, reconstituted material, a plastics material, a ceramic material, a composite material, glass, a metal, or a metal alloy. In some embodiments, the support comprises a susceptor. In some embodiments, the susceptor is embedded within the material. In some alternative embodiments, the susceptor is on one or either side of the material.

A consumable is an article comprising or consisting of aerosol-generating material, part or all of which is intended to be consumed during use by a user. A consumable may comprise one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generation area, a housing, a wrapper, a mouthpiece, a filter and/or an aerosol-modifying agent. A consumable may also comprise an aerosol generator, such as a heater, that emits heat to cause the aerosol-generating material to generate aerosol in use. The heater may, for example, comprise combustible material, a material heatable by electrical conduction, or a susceptor.

A susceptor is a material that is heatable by penetration with a varying magnetic field, such as an alternating magnetic field. The susceptor may be an electrically-conductive material, so that penetration thereof with a varying magnetic field causes induction heating of the heating material. The heating material may be magnetic material, so that penetration thereof with a varying magnetic field causes magnetic hysteresis heating of the heating material. The susceptor may be both electrically-conductive and magnetic, so that the susceptor is heatable by both heating mechanisms. The device that is configured to generate the varying magnetic field is referred to as a magnetic field generator, herein.

An aerosol-modifying agent is a substance, typically located downstream of the aerosol generation area, that is configured to modify the aerosol generated, for example by changing the taste, flavour, acidity or another characteristic of the aerosol. The aerosolmodifying agent may be provided in an aerosol-modifying agent release component, that is operable to selectively release the aerosol-modifying agent. The aerosol-modifying agent may, for example, be an additive or a sorbent. The aerosol-modifying agent may, for example, comprise one or more of a flavourant, a colourant, water, and a carbon adsorbent. The aerosol-modifying agent may, for example, be a solid, a liquid, or a gel. The aerosol-modifying agent may be in powder, thread or granule form. The aerosol-modifying agent may be free from filtration material.

An aerosol generator is an apparatus configured to cause aerosol to be generated from the aerosol-generating material. In embodiments, the aerosol generator is a heater configured to subject the aerosol-generating material to heat energy, so as to release one or more volatiles from the aerosol-generating material to form an aerosol. In embodiments, the aerosol generator is configured to cause an aerosol to be generated from the aerosolgenerating material without heating. For example, the aerosol generator may be configured to subject the aerosol-generating material to one or more of vibration, increased pressure, or electrostatic energy.

The present disclosure relates to aerosol delivery systems (which may also be referred to as vapour delivery systems) such as nebulisers or e-cigarettes. Throughout the following description the term "e-cigarette" or "electronic cigarette" may sometimes be used, but it will be appreciated this term may be used interchangeably with aerosol delivery system I device and electronic aerosol delivery system / device. Furthermore, and as is common in the technical field, the terms "aerosol" and "vapour", and related terms such as "vaporise", "volatilise" and "aerosolise", may generally be used interchangeably.

Aerosol delivery systems (e-cigarettes) often, though not always, comprise a modular assembly comprising a reusable device part and a replaceable (disposable/consumable) cartridge part. Often, the replaceable cartridge part will comprise the aerosol-generating material and the vaporiser (which may collectively be called a “cartomizer”) and the reusable device part will comprise the power provision (e.g. rechargeable power source) and control circuitry. It will be appreciated these different parts may comprise further elements depending on functionality. For example, the reusable device part will often comprise a user interface for receiving user input and displaying operating status characteristics, and the replaceable cartridge device part in some cases comprises a temperature sensor for helping to control temperature. Cartridges are electrically and mechanically coupled to the control unit for use, for example using a screw thread, bayonet, or magnetic coupling with appropriately arranged electrical contacts. When the aerosol-generating material in a cartridge is exhausted, or the user wishes to switch to a different cartridge having a different aerosol-generating material, the cartridge may be removed from the reusable part and a replacement cartridge attached in its place. Systems and devices conforming to this type of two-part modular configuration may generally be referred to as two-part systems/devices.

It is common for electronic cigarettes to have a generally elongate shape. For the sake of providing a concrete example, certain embodiments of the disclosure will be taken to comprise this kind of generally elongate two-part system employing disposable cartridges. However, it will be appreciated that the underlying principles described herein may equally be adopted for different configurations, for example single-part systems or modular systems comprising more than two parts, refillable devices and single-use disposables, as well as other overall shapes, for example based on so-called box-mod high performance devices that typically have a boxier shape. More generally, it will be appreciated certain embodiments of the disclosure are based on aerosol delivery systems which are operationally configured to provide functionality in accordance with the principles described herein and the constructional aspects of systems configured to provide the functionality in accordance with certain embodiments of the disclosure is not of primary significance.

The following will introduce in detail the structures of the aerosol provision device and the aerosol provision system of the present application by means of specific embodiments.

The user may remove aerosol-generating article, as a consumable, after heating. To prevent the aerosol-generating article from breaking and remaining in the heating chamber during the removal process, the current solution provides an extractor within the chamber of the aerosol provision device. The aerosol-generating article may be inserted into the extractor. After heating, the extractor and the aerosol generating article will be removed as a whole, and then the aerosol-generating article may be pulled out from the extractor. However, since the operation logic of the existing extractor may be somewhat different from the traditional operation logic of taking and placing cigarette sticks, after puffing, the user may still directly hold the aerosol-generating article to perform the pulling-out operation. When the pulling-out angle is inaccurate or the frictional force between the inserted section of the aerosolgenerating article and the aerosol provision device is relatively large, the cigarette stick will break and remain in the heating chamber of the extractor, causing cleaning difficulties.

Referring to Figure 1 and Figure 2, this embodiment discloses an aerosol provision system. The aerosol provision system may comprise an aerosol provision device 10 and an aerosol-generating article 20, and the aerosol-generating article 20 may be removably arranged on the aerosol provision device 10.

Referring to Figure 2, the aerosol provision device 10 may comprise a housing 101 , an extractor 102 and a driving assembly. A heating chamber 103 may be provided in the housing 101 , and an opening 104 communicating with the heating chamber 103 may be provided at the top of the housing 101. The extractor 102 may be arranged in the heating chamber 103 and may move along the depth direction of the heating chamber 103. The driving assembly may comprise a first magnetic element 106 and a second magnetic element 107 that cooperate with each other. The first magnetic element 106 may be arranged in the heating chamber 103, and the second magnetic element 107 may be fixedly arranged on the extractor 102. A repulsive force may be formed between the first magnetic element 106 and the second magnetic element 107 to push the extractor 102 to move towards the direction of the opening 104. Specifically, when the magnetic pole of the first magnetic element is the same as the magnetic pole of the second magnetic element 107, the second magnetic element 107 may drive the extractor 102 to move towards the direction of the opening 104.

In embodiments, the heating chamber extends along an axis (A). The heating chamber extends into the housing from the opening. The axis (A) of the heating chamber defines an axial direction parallel to the axis (A). The depth direction may also be referred to as the axial direction. The depth of the heating chamber is measurable in the axial direction.

In embodiments, the driving assembly may comprise a coil 108. The coil 108 may act on either the first magnetic element 106 or the second magnetic element 107. The coil 108 may change the magnetic characteristic of the corresponding magnetic element in the energized state to generate a repulsive force between the first magnetic element 106 and the second magnetic element 107. Wherein, the coil 108 may be arranged outside, inside, beside or nested with the corresponding magnetic element. Optionally, the coil 108 may be wound on the outer peripheral surface of the corresponding magnetic element, and the coil 108 and the corresponding magnetic element may be coaxially arranged. In embodiments, the driving assembly may also be referred to as a magnetic driving assembly. The magnetic driving assembly may comprise a first magnetic element and a second magnetic element. The first magnetic element may be a permanent magnet. The second magnetic element may be an electromagnet. The energising the coil may energise the electromagnet.

The second magnetic element 107 may be a permanent magnet; the first magnetic element 106 may be a permanent magnet or becomes magnetic after being induced by a magnetic field. In embodiments, the first magnetic element 106 may be a metal part, and the coil 108 may be arranged on the first magnetic element 106. When the coil 108 is not energized, the first magnetic element 106 itself does not have magnetism. After the coil 108 is energized, the first magnetic element 106 generates magnetism. In other embodiments, the first magnetic element 106 may be a permanent magnet, and the coil 108 may be arranged on the first magnetic element 106. When the coil 108 is not energized, the first magnetic element 106 itself has magnetism. After the coil 108 is energized, the magnetism of the first magnetic element 106 changes, for example, the S pole becomes the N pole. Referring to Figure 3, for example, the coil 108 may be wound on the first magnetic element 106. The side of the first magnetic element 106 opposite to the second magnetic element 107 may be the S pole, and the side of the second magnetic element 107 opposite to the first magnetic element

106 may be the N pole. When the coil 108 is not energized, and the second magnetic element

107 moves into the magnetic field range of the first magnetic element 106, the first magnetic element 106 and the second magnetic element 107 attract each other. Since the first magnetic element 106 is fixed in the heating chamber 103, the second magnetic element 107 will approach the first magnetic element 106, thereby driving the extractor 102 to approach the first magnetic element 106. When the coil 108 is energized, the magnetic field range of the first magnetic element 106 changes. Specifically, the side of the first magnetic element opposite to the second magnetic element 107 changes from the S pole to the N pole. Since the side of the second magnetic element 107 opposite to the first magnetic element 106 is also the N pole, the second magnetic element 107 and the first magnetic element 106 repel each other. And because the first magnetic element 106 is fixed in the heating chamber 103, the second magnetic element 107 will move in the direction away from the first magnetic element 106, thereby driving the extractor 102 to move towards the opening 104 of the heating chamber 103, achieving the effect of automatically ejecting the extractor 102.

In embodiments, the heating assembly may comprise a heating element 109 that may be inserted into the aerosol-generating article 20, and the heating element 109 may be fixed in the heating chamber 103. The moving distance of the extractor 102 along the depth direction is not less than the length of the heating element 109 extending into the heating chamber 103. Exemplarily, the heating element 109 may be configured to be needle-shaped, so that it is easier to pierce into the aerosol-generating article 20. The first magnetic element 106 may be located at the bottom of the extractor 102, and the heating element 109 may be fixed on the first magnetic element 106. In embodiments, the first magnetic element 106 has a central through hole 110, the upper end of the heating element 109 passes through the through hole, and the lower end of the heating element 109 may be accommodated and fixed in the through hole. Fixing the heating element 109 on the first magnetic element 106 and arranging the heating element 109 to penetrate the first magnetic element 106 can, on the one hand, save the space occupation in the length direction, making the structure of the heating part more compact. On the other hand, arranging the first magnetic element 106 on the movement path of the extractor 102 makes it easier for the first magnetic element 106 to generate an attractive or repulsive force with the second magnetic element 107, and is also beneficial to reducing or avoiding the extractor 102 from tilting during the movement process.

Referring to Figure 5, a first opening 105 may be provided at the bottom end of the heating chamber 103. A receiving cavity 111 for receiving the aerosol-generating article 20 may be provided inside the extractor 102. A receiving port 112 may be provided at the top end of the extractor 102, and a second opening 113 may be provided at the bottom end of the extractor 102. When the extractor 102 is arranged in the heating chamber 103, the second opening 113 at the bottom end of the extractor 102 communicates with the first opening 105 at the bottom end of the heating chamber 103, and the receiving port 112 at the top end of the extractor 102 communicates with the opening 104 at the top end of the heating chamber 103. The first magnetic element 106 at least partially passes through the first opening 105 and enters the heating chamber 103, and the heating element 109 passes through the first magnetic element 106 and the second opening 113 of the extractor 102 and enters the receiving cavity 111. Further, a limiting block 114 may be also provided at the second opening 113 of the extractor 102. The limiting block 114 protrudes towards the center from the inner wall of the receiving cavity 111. When the aerosol-generating article 20 is received in the receiving cavity 111 , the limiting block 114 contacts the bottom of the aerosol-generating article 20, and the bottom of the aerosol-generating article 20 does not directly contact the first magnetic element 106. In embodiments, as shown in Figure 4, a recessed part 124 may be provided on the outer wall of the extractor 102. The recessed part 124 may be arranged close to the second opening 113 and goes around the outer wall of the extractor 102 for one circle. The second magnetic element 107 may be arranged in the recessed part 124 and may be configured as a circular ring surrounding the recessed part 124.

In embodiments, the housing 101 may further comprise a limiting structure for limiting the movement distance of the extractor 102 along the depth direction. In embodiments, the limiting structure may include a first limiting part 115 and a second limiting part 116. During the movement of the extractor 102 in the direction close to the opening 104, the extractor 102 is in limit fit with the first limiting part 115. During the movement of the extractor 102 in the direction away from the opening 104, the extractor 102 is in limit fit with the second limiting part 116.

In embodiments, the limiting structure may also be referred to as a limiting assembly. The limiting assembly may be configured to restrict the maximum movement range of distance of the extractor along in the depth axial direction. The extractor may be configured to be movable from a first position, received within the device, to a second position. In embodiments, the extractor at least partially extends from the housing.

In embodiments, refer to Figure 6, the aerosol provision device 10 may further include a guiding structure for guiding the extractor 102 to move along the depth direction of the heating chamber 103. Specifically, the guiding structure may include a sliding slot 117 extending along the depth direction and a sliding component that can slide along the sliding slot 117. One of the sliding slot 117 and the sliding component may be arranged on the outer wall of the extractor 102, and the other may be arranged on the inner wall of the heating chamber 103. In embodiments, the sliding slot 117 may be arranged on the inner wall of the heating chamber 103, and the sliding component may be an elastic piece 118 formed on the outer wall of the extractor 102. One end of the elastic piece 118 may be a fixed end 123, and the other end may be a free end 122. The fixed end 123 may be arranged on the outer wall of the extractor 102. The bottom 119 of the sliding slot 117 may be configured as an inclined plane. The inclined plane may be set corresponding to the displacement of the extractor 102 moving along the depth direction of the heating chamber 103. During the movement of the extractor 102 towards the opening 104, the frictional force between the sliding component and the bottom 119 of the slot gradually decreases. This design may ensure that the extractor 102 moves more smoothly in the direction close to the opening 104. In embodiments, the limiting structure and the guiding structure may be integrated together. As shown in Figure 5, the slot wall of the sliding slot 117 close to the opening 104 constitutes the first limiting part 115, and the slot wall of the sliding slot 117 away from the opening 104 constitutes the second limiting part 116.

In embodiments, the end of the elastic piece attached to the outer wall of the extractor may also be referred to as a first end. The end of the elastic piece that is a free end may also be referred to as a second end.

In embodiments, the aerosol provision device 10 may further comprise a control system. Both ends of the coil 108 may be electrically connected to the control system, and the control system starts supplying power to the coil 108 after the end of a puff. Specifically, the control system may include a battery assembly 120 and a controller 121 . The battery assembly

120 may be electrically connected to the heating element 109, the coil 108 and the controller

121 respectively. The controller 121 may be configured to control the battery assembly 120 to supply power to the heating element 109 and the coil 108. Exemplarily, the controller 121 may pass a current through the coil 108 after a preset time after stopping supplying power to the heating assembly, so as to automatically eject the extractor 102. In embodiments, the control system may further comprise a button, and the power supply to the coil 108 may be controlled through the button. This design allows the user to operate the button, so that a current passes through the coil 108 and then ejects the extractor 102.

In embodiments, the ends of the coil may also be referred to as a first end and a second end. The second end may be opposed to the first end. The first and second ends of the coil of the coil may be electrically connected to the control system. The power supply to the coil may be controlled by actuating the button.

Insert the aerosol-generating article 20 into the extractor 102 of the aerosol provision device 10. The extractor 102 moves in the direction away from the opening 104 with the insertion action until it contacts the first magnetic element 106. After being energized, the heating element 109 generates heat to heat the aerosol- generating matrix of the aerosolgenerating article 20, thus generating an aerosol for the user to puff. Upon completion of puffing, power supply to the heating element 109 is terminated, and the heating element 109 no longer generates heat. Then, either through the automatic control of the controller 121 or by operating the button, an electric current may be passed through the coil 108 to change the magnetism of the first magnetic element 106. This creates a repulsive force between the first magnetic element 106 and the second magnetic element 107. The second magnetic element 107 then drives the extractor 102 to move in the direction close to the opening 104, resulting in the ejection of the extractor 102. During the ejection process of the extractor 102, the aerosol-generating article 20 moves relative to the heating element, reducing the frictional force between the heating element and the aerosol-generating article 20, allowing the user to completely remove the aerosol-generating article 20.

In this embodiment, a first magnetic element may be arranged in the heating chamber of the housing, and a second magnetic element may be arranged on the extractor. When the extractor is installed in the heating chamber, through the repulsive force formed between the first magnetic element and the second magnetic element, the extractor moves along the depth direction of the heating chamber. Thus, after the puffing is finished, the extractor can drive the aerosol-generating article to automatically eject at least partially, reducing the frictional force between the aerosol-generating article and the heating element, and making the aerosolgenerating article easier to take out, reducing or avoiding the aerosol-forming matrix from remaining on the heating element, and avoiding the aerosol-generating article from breaking and remaining in the extractor.

In the description of this specification, the referential terminology "an embodiment," "some embodiments," "example," "specific example," or "some examples" means that specific features, structures, materials, or characteristics described in connection with the embodiment or example are comprised in at least one embodiment or example of the present application. In this specification, the indicative expression of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials, or characteristics may be combined in any suitable way in any one or more embodiments or examples.

Moreover, the terms "first," "second," etc., are used merely for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the characteristics defined as "first," "second," etc., may explicitly or implicitly comprise at least one such characteristic. In the description of the present application, the term "multiple" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present application, unless explicitly defined and limited, terms such as "mounting," "connecting," "connection," "fixing," etc., should be understood broadly. For instance, the connection can be a fixed connection or a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary medium, it can be the internal communication of two components or the interaction between two components, unless explicitly defined otherwise. Those skilled in the art can understand the specific meanings of these terms in the context of the application based on the circumstances.

Although the embodiments of the application have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be considered as limiting the application. Those skilled in the art within the scope of the application can make variations, modifications, replacements, and variations to the abovedescribed embodiments.

Claims

1. An aerosol provision device comprising: a housing; a heating chamber in the housing; an opening providing access to the heating chamber; an extractor within the heating chamber, wherein the extractor is configured to move in an axial direction of the heating chamber; and a driving assembly comprising a first magnetic element fixedly mounted with the housing and a second magnetic element fixedly mounted with the extractor; wherein the first magnetic element and the second magnetic element are configured to magnetically cooperate to provide a biasing force to move the extractor in the axial direction of the heating chamber towards the opening.

2. The aerosol provision device according to claim 1 , wherein the driving assembly comprises a coil, wherein the coil is configured to act on one of the first magnetic element and the second magnetic element such that the magnetic characteristic of the corresponding magnetic element is altered in the energized state to generate a biasing force between the first magnetic element and the second magnetic element.

3. The aerosol provision device according to claim 2, wherein the coil is coaxially aligned with the corresponding magnetic element.

4. The aerosol provision device according to claim 1 , 2 or 3, wherein the device comprises a heating assembly comprising a heating element that is configured to be inserted into an article comprising aerosol generating material received by the device.

5. The aerosol provision device according to any preceding claim, wherein the first magnetic element is at a base of the extractor.

6. The aerosol provision device according to any preceding claim, wherein the heating element is on the first magnetic element.

7. The aerosol provision device according to any preceding claim, wherein the first magnetic element comprises a through hole, and wherein the heating element protrudes through the through hole.

8. The aerosol provision device according to any preceding claim, wherein the housing comprises a limiting assembly configured to restrict the movement range of the extractor in the axial direction.

9. The aerosol provision device according to any preceding claim, wherein the device comprises a guiding structure, wherein the guiding structure comprises a sliding slot extending in the axial direction and a sliding component that is configured to move axially within the slot.

10. The aerosol provision device according to claim 9, wherein the sliding slot is disposed on the heating chamber, and wherein the sliding component is an elastic piece on the extractor.

11. The aerosol provision device according to claim 9 or 10, wherein a first end of the elastic piece is attached to an outer wall of the extractor and a second end is a free end.

12. The aerosol provision device according to claim 9, 10 or 11 , wherein a first end of the sliding slot is constructed as an inclined plane, such that the friction between the sliding piece and the first end of the sliding slot, which resists the movement of the extractor, gradually decreases as the extractor moves towards the opening.

13. The aerosol provision device according to any of claims 4 to 12 when dependent on claim 4, wherein the device comprises a control system, wherein the coil comprises a first end and a second end, the second end being opposed to the first end, wherein the first and second ends of the coil are electrically connected to the control system, and wherein the control system is configured to supply power to the coil at the end of a puff.

14. The aerosol provision device according to claim 13, wherein the control system comprises a button, and wherein controlling the power supply to the coil is initiated by actuating the button.

15. The aerosol provision device according to claim 13, wherein the control system comprises a battery assembly and a controller, wherein the battery assembly is electrically connected to the heating element, the coil and the controller, and wherein the controller is configured to control the battery assembly to supply power to the heating element and the coil.

16. The aerosol provision device according to claim 1, wherein the second magnetic element is a permanent magnet, and wherein the first magnetic element is a permanent magnet or the first magnetic element becomes magnetic after being induced by a magnetic field.

17. An aerosol provision system, wherein the system comprises the aerosol provision device according to any of claims 1 to 16 and an article comprising aerosol generating material.

18. An aerosol provision device comprising: a housing; a heating chamber in the housing; an opening providing access to the heating chamber; an extractor within the heating chamber, wherein the extractor is configured to move in an axial direction of the heating chamber; and a magnetic driving assembly configured to magnetically bias the extractor to move in the axial direction of the heating chamber towards the opening.

19. The aerosol provision device according to claim 19, wherein the magnetic driving assembly comprises a first magnetic element and a second magnetic element, wherein the first magnetic element is a permanent magnet, and wherein the second magnetic element is an electromagnet.