Aerosol generating device

Abstract

An aerosol-generating device is described.SOLUTION: The aerosol generating device is for generating an aerosol from an aerosol generating material. The device has a heating zone for receiving at least a portion of an article comprising an aerosol generating material, and a heating assembly. The heating assembly comprises a magnetic field generator for generating a varying magnetic field, the magnetic field generator comprising an inductor coil, and a heating element comprising a heating material that is heatable by penetration with the varying magnetic field. The heating element projects into the heating zone and the inductor coil projects at least partially into the heating zone.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to an aerosol-generating device for generating an aerosol from an aerosol-generating material. The present invention also relates to a system comprising the aerosol-generating device, a heating assembly for the aerosol-generating device, and an article containing the aerosol-generating material. [Background technology]

[0002] Smoking articles, such as cigarettes and cigars, burn tobacco to produce tobacco smoke during use. Attempts have been made to provide alternatives to such tobacco-burning articles by creating products that release compounds without combustion. Examples of such products include heating devices that release compounds by heating a material rather than burning it. The material may be, for example, a smoking material. Summary of the Invention

[0003] According to one aspect, an aerosol-generating device for generating an aerosol from an aerosol-generating material is provided. The device includes a heating region for receiving at least a portion of an article containing the aerosol-generating material, and a heating assembly including a magnetic field generator configured to generate a varying magnetic field including an inductor coil, and a heating element including a heating material heatable by penetration of the varying magnetic field. The heating element protrudes into the heating region, and the inductor coil protrudes at least partially into the heating region.

[0004] The inductor coil may extend at least partially within the heating region.

[0005] The inductor coil may be fluidly isolated from the heating region.

[0006] The heating element may include a cavity, and the inductor coil may extend at least partially within the cavity.

[0007] The cavity may be fluidly isolated from the heated region.

[0008] The cavity may at least partially define an air passageway through the heating element.

[0009] The heating element may include a wall and an air outlet in communication through the wall.

[0010] The heating element may include a heating member and insulation within the heating member.

[0011] Insulation may support the inductor coil within the heating element.

[0012] The insulator may include a filler.

[0013] The filler may fill the cavity.

[0014] The filler may be a non-conductive material.

[0015] The filler may be a thermal putty.

[0016] The coil may include a coating.

[0017] The insulator may electrically insulate the coil from the heating element.

[0018] 13. The aerosol generating device according to claim 4, wherein the heating material is spaced apart from the inductor coil.

[0019] The distance between the inductor coil and the heating material may be between 0.1 and 0.2 mm.

[0020] The inductor coil may be spaced from the heating material by a distance of less than 0.2 mm.

[0021] The inductor coil may be spaced a distance between 0.1 and 0.2 mm from the heating material.

[0022] The inductor coil may be a spiral coil.

[0023] The inner diameter of the inductor coil may be between 1 mm and 1.5 mm.

[0024] The outer diameter of the inductor coil may be between 2mm and 2.5mm.

[0025] The heating element may be tubular.

[0026] The heating element may be a blade.

[0027] The inductor coil may comprise a coil winding having a cross-sectional diameter between 0.5mm and 0.75mm.

[0028] The magnetic field generator may be configured to generate a varying magnetic field at a frequency between 800 kHz and 1.5 MHz.

[0029] The inner diameter of the heating element may be between 2.5mm and 3mm.

[0030] The outer diameter of the heating element may be between 3.3 mm and 3.8 mm.

[0031] According to one aspect, an aerosol-generating device for generating an aerosol from an aerosol-generating material is provided, the device comprising: a receiving portion for receiving at least a portion of an article containing the aerosol-generating material; and a heating assembly including a magnetic field generator configured to generate a varying magnetic field including an inductor coil and a heating element heatable by penetration of the varying magnetic field, with at least a portion of the inductor coil and the heating element protruding into the receiving portion.

[0032] According to one aspect, an aerosol-generating device for generating an aerosol from an aerosol-generating material is provided. The device includes a receiving portion for receiving at least a portion of an article containing the aerosol-generating material, and a heating assembly including a magnetic field generator configured to generate a varying magnetic field including an inductor coil, and a heating element heatable by penetration of the varying magnetic field. The spacing between the heating element and the inductor coil is less than 0.2 mm.

[0033] According to one aspect, a heating assembly for an aerosol generation device is provided, comprising: an inductor coil for a magnetic field generator configured to generate a varying magnetic field; and a heating element arranged to extend within a heating region of the aerosol generation device, the heating element including a heating material that can be heated by penetration of the varying magnetic field, wherein the inductor coil extends at least partially within the heating element.

[0034] According to one aspect, there is provided a system comprising an aerosol generating device as described above, and further comprising an article containing an aerosol-forming material.

[0035] The article may be free of materials that can be heated by the penetration of a varying magnetic field.

[0036] The item may be a consumable item.

[0037] The heating element may be removable from the heating zone. The heating element may be replaceable.

[0038] The heating element and the receiver may be coaxial.

[0039] Devices of this aspect may include one, more or all of the above features as appropriate.

[0040] The aerosol generating device may be a non-combustible aerosol generating device.

[0041] The device may be a tobacco heating device, also known as a non-combustion heating device.

[0042] The aerosol-forming material may be a non-liquid aerosol-forming material.

[0043] The article may be sized to be at least partially received in the heating zone.

[0044] According to one aspect, an aerosol generating device for generating an aerosol from an aerosol-generating material is provided, the aerosol generating device comprising: a receiving portion defining a heating region configured to receive at least a portion of an article including the aerosol-generating material; and a heating element arranged to heat the heating region.

[0045] According to one aspect, an aerosol generation system is provided, comprising: an article including an aerosol-generating material; an aerosol-generating device for heating the aerosol-generating material, the aerosol-generating device having a heating region configured to receive at least a portion of the article; and a heating element.

[0046] According to one aspect, an aerosol generating device for generating an aerosol from an aerosol generating material includes a heating assembly including a magnetic field generator configured to generate a varying magnetic field including an inductor coil, and a heating element including a heating material heatable by penetration of the varying magnetic field, wherein the inductor coil protrudes at least partially into the heating element.

[0047] According to one aspect, there is provided an aerosol delivery system comprising the aerosol generating device of the above aspect and an aerosol product.

[0048] The aerosol generator may include a hole configured to receive the heating arrangement.

[0049] According to one aspect, there is provided a method of using the device of the previous aspect to generate an aerosol from an aerosol-generating product.

[0050] The method may include inserting a heating arrangement into the aerosol generating product.

[0051] According to one aspect, there is provided an aerosol generation device for generating an aerosol from an aerosol-generating material, the aerosol generation device comprising a heating assembly, the heating assembly including a magnetic field generator configured to generate a varying magnetic field including an inductor coil, and a heating element heatable by penetration of the varying magnetic field, wherein the spacing between the heating element and the inductor coil is less than 0.2 mm.

[0052] According to one aspect, there is provided an aerosol delivery system comprising the aerosol generating device of the above aspect and an aerosol product.

[0053] The aerosol generator may include a hole configured to receive the heating arrangement.

[0054] According to one aspect, there is provided a method of using the device of the previous aspect to generate an aerosol from an aerosol-generating product.

[0055] The method may include inserting a heating arrangement into the aerosol generating product.

[0056] According to one aspect, a heating assembly for an aerosol generation device is provided, comprising: an inductor coil for a magnetic field generator configured to generate a varying magnetic field; and a heating element including a heating material that can be heated by penetration of the varying magnetic field, wherein the inductor coil extends at least partially within the heating element.

[0057] According to one aspect, there is provided an aerosol delivery system comprising the aerosol generating device of the above aspect and an aerosol product.

[0058] The aerosol generator may include a hole configured to receive the heating arrangement.

[0059] According to one aspect, there is provided a method of using the device of the previous aspect to generate an aerosol from an aerosol-generating product.

[0060] The method may include inserting a heating arrangement into the aerosol generating product.

[0061] According to one aspect, there is provided an aerosol generating device for generating an aerosol from an aerosol-generating material, the aerosol generating device comprising a housing and an exposed heating element protruding from the housing configured to be received within the aerosol generating product and to heat the aerosol generating product.

[0062] The heating arrangement may comprise a heating element configured to be received within the aerosol product and protruding from the housing.

[0063] The housing may include a base from which the heating element projects.

[0064] The heating arrangement may comprise a protruding element protruding from the housing configured to be received in the aerosol product.

[0065] The housing may include a base from which the protruding elements protrude.

[0066] The heating arrangement may be a resistive heating arrangement.

[0067] The heating arrangement may be an induction heating arrangement.

[0068] The heating arrangement may comprise an inductor coil.

[0069] The heating region may extend around the exposed heating element. The heating region may be configured to at least partially receive an article including the aerosol-forming material.

[0070] According to one aspect, there is provided an aerosol delivery system comprising the aerosol generating device of the above aspect and an aerosol product.

[0071] The aerosol generator may include a hole configured to receive the heating arrangement.

[0072] The aerosol generator may comprise a heating element, which may comprise a material that is heatable by the penetration of a fluctuating magnetic field.

[0073] According to one aspect, there is provided a method of using the device of the previous aspect to generate an aerosol from an aerosol-generating product.

[0074] The method may include inserting a heating arrangement into the aerosol generating product.

[0075] Devices of these aspects may include one, more or all of the above features as appropriate.

[0076] Some embodiments will now be described, by way of example only, with reference to the accompanying drawings, in which: [Brief explanation of the drawings]

[0077] [Figure 1] FIG. 1 is a front perspective view of an aerosol generation system having an aerosol generation device and an article inserted into the device. [Figure 2] FIG. 2 is a schematic diagram of the aerosol generation system of FIG. 1. [Figure 3] FIG. 2 is a schematic diagram of a heating arrangement of the aerosol generation system of FIG. 1. [Figure 4] 2 is a schematic diagram illustrating another heating configuration of the aerosol generation system of FIG. 1, in which the heating element comprises a cavity in which an inductor coil is disposed. [Figure 5] 5 is a schematic diagram of another heating arrangement of FIG. 4 further including insulation disposed within the cavity. [Figure 6] 6 is a schematic diagram of the alternative heating arrangement of FIG. 5, in which the insulation fills the cavity. [Figure 7] FIG. 7 shows a schematic representation of an alternative heating arrangement of FIGS. 4 to 6, in which the heating element is provided with an air inlet and outlet. [Figure 8] FIG. 1 is a schematic diagram of another aerosol generating system. [Figure 9] FIG. 1 is a schematic diagram of another aerosol generating system. DETAILED DESCRIPTION OF THE INVENTION

[0078] As used herein, the term "aerosol-forming material" refers to a material that can generate an aerosol when, for example, heated, irradiated, or otherwise energized. Aerosol-forming materials may be in the form of, for example, a solid, liquid, or gel, and may or may not contain active substances and / or flavorings. Aerosol-forming materials may include any plant material, such as any tobacco-containing material, including, for example, one or more of tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco, or tobacco substitutes. Aerosol-forming materials may also include other non-tobacco products, which may or may not contain nicotine, depending on the product. Aerosol-forming materials may be in the form of, for example, a solid, liquid, gel, or wax. Aerosol-forming materials may also be, for example, a combination or blend of several materials. Aerosol-forming materials may also be known as "smoking materials."

[0079] The aerosol-forming material may include a binder and an aerosol-forming agent. Optionally, an active agent and / or a filler may also be present. Optionally, a solvent, such as water, may also be present, in which one or more other components of the aerosol-forming material may or may not be soluble. In some embodiments, the aerosol-forming material is substantially free of plant material. In some embodiments, the aerosol-forming material is substantially free of tobacco.

[0080] The aerosol-forming material may include or be an "amorphous solid." An "amorphous solid" may be a "monolithic solid." In some embodiments, the amorphous solid may be a dry gel. An amorphous solid is a solid material that can retain some fluid, such as a liquid, within it. In some embodiments, the aerosol-forming material may contain, for example, about 50%, 60%, or 70% amorphous solid by weight to about 90%, 95%, or 100% amorphous solid by weight.

[0081] The aerosol-generating material may include an aerosol-generating film. The aerosol-generating film may include or be a sheet, optionally shredded to form a shredded sheet. The aerosol-generating sheet or shredded sheet may be substantially free of tobacco.

[0082] Devices are known that heat an aerosol-generating material to volatilize at least one component of the aerosol-generating material, typically to form an inhalable aerosol without burning or combusting the aerosol-generating material. Such devices may also be described as "aerosol-generating devices," "aerosol delivery devices," "non-combustion heating devices," "tobacco heating product devices," or "tobacco heating devices," or the like. Similarly, there are so-called e-cigarette devices, which typically vaporize a liquid form of the aerosol-generating material, which may or may not contain nicotine. The aerosol-generating material may be in the form of, or provided as part of, a rod, cartridge, or cassette that can be inserted into the device. A heater for heating and volatilizing the aerosol-generating material may be provided as a "permanent" part of the device.

[0083] The aerosol-generating device can accept an article containing an aerosol-generating material for heating. An "article" in this context is a component that includes or contains an aerosol-generating material when used, which is heated to volatilize the aerosol-generating material and, optionally, other components. A user can insert the article into the aerosol-delivery device and then heat the article to generate an aerosol, which the user then inhales. The article can be of a predetermined or specific size, for example, configured to be placed in a heating chamber of a device sized to accept the article.

[0084] 1 shows an example of an aerosol-generating system 100. The system 100 includes an aerosol-generating device 101 for generating an aerosol from an aerosol-generating material and a replaceable item 110 containing the aerosol-generating material. The device 101 can be used to heat the replaceable item 110 containing the aerosol-generating material to generate an aerosol or other inhalable material that can be inhaled by a user of the device 101.

[0085] The device 101 comprises a housing 103 that surrounds and houses the various components of the device 101. The housing 103 is elongated. The device 101 has an opening 104 at one end through which an item 110 can be inserted for heating by the device 101. The item 110 can be fully or partially inserted into the device 101 for heating by the device 101.

[0086] In various embodiments, there are no openings in device 101. In such a configuration, device 101 or a component thereof can be partially received within at least a portion of article 110.

[0087] The device 101 may include a user-operable control 106, such as a button or switch, that, when depressed or otherwise manipulated, operates the device 101. For example, a user may activate the device 101 by pressing the switch 106.

[0088] The device 101 defines a longitudinal axis 102 along which the article 110 may extend when inserted into the device 101. The opening 104 is aligned with the longitudinal axis 102.

[0089] 2 is a schematic diagram of the aerosol generating device 100 of FIG. 1, illustrating various components of the device 101. It will be appreciated that the device 101 may include other components not shown in FIG. 2, or may not include some of the components shown in FIG. 2.

[0090] As shown in FIG. 2 , device 101 includes an apparatus 200 for heating an aerosol-generating material. Apparatus 200 includes a heating assembly 201, a controller (control circuit) 202, and a power supply 204. Apparatus 200 also includes a body assembly 210, which may include a housing and other components that form part of the device. Heating assembly 201 is configured to heat an aerosol-generating medium or material of an article 110 inserted into device 101, such that an aerosol is generated from the aerosol-generating material. Power supply 204 provides power to heating assembly 201, which converts the provided electrical energy into thermal energy for heating the aerosol-generating material.

[0091] The power source 204 may be, for example, a battery, such as a rechargeable or non-rechargeable battery. Examples of suitable batteries include, for example, lithium batteries (such as lithium-ion batteries), nickel batteries (such as nickel-cadmium batteries), and alkaline batteries.

[0092] Power supply 204 may be electrically coupled to heating assembly 201 to provide power to heat the aerosol-generating material when needed under the control of controller 202. Control circuitry 202 may be configured to activate and deactivate heating assembly 201 based on a user operating control element 106. For example, controller 202 may activate heating assembly 201 in response to a user operating switch 106.

[0093] The end of device 101 closest to opening 104 is sometimes known as the proximal end (or oral end) 107 of device 101, as it is closest to the user's mouth during use. In use, a user inserts article 110 into opening 104 and operates user control 106 to initiate heating of the aerosol-generating material and draw in the aerosol generated within the device. This causes the aerosol to flow along a flow path through article 110 toward the proximal end of device 101.

[0094] The other end of the device, furthest from opening 104, is sometimes known as the distal end 108 of device 101, as it is the end farthest from a user's mouth in use. When a user inhales the aerosol generated in the device, the aerosol flows in a direction toward the proximal end of device 101. The terms proximal and distal as applied to features of device 101 are described by referencing the relative placement of such features with respect to one another in the proximal-distal direction along axis 102.

[0095] The heating assembly 201 may include various components for heating the aerosol-generating material of the article 110 by an induction heating process. Induction heating is a process in which an electrically conductive heating element (such as a susceptor) is heated by electromagnetic induction. The induction heating assembly may include an induction element, such as one or more inductor coils, and a device for passing a varying current, such as an alternating current, through the induction element. The varying current in the induction element generates a varying magnetic field.

[0096] The fluctuating magnetic field penetrates a susceptor appropriately positioned relative to the inductive element, generating eddy currents within the susceptor. The susceptor has an electrical resistance to the eddy currents, and the eddy currents flow against this resistance, causing the susceptor to heat up by Joule heating. If the susceptor contains a ferromagnetic material such as iron, nickel, or cobalt, heat can also be generated by magnetic hysteresis losses in the susceptor, i.e., by the magnetic dipoles of the magnetic material changing their orientation as a result of aligning with the fluctuating magnetic field. In induction heating, heat is generated within the susceptor, allowing for rapid heating compared to, for example, conduction heating. Furthermore, no physical contact between the inductive element and the susceptor is required, allowing for greater flexibility in design and application.

[0097] The apparatus 200 includes a heating chamber 211 configured and dimensioned to receive the article 110 to be heated. The heating chamber 211 defines a heating region 215. In this example, the article 110 is generally cylindrical, and the heating chamber 211 is correspondingly generally cylindrical in shape. However, other shapes would be possible. The heating chamber 211 is formed by a receiver 212. The receiver 212 includes an end wall 213 and a peripheral wall 214. The end wall 213 serves as a base for the receiver 212. In some embodiments, the receiver 212 is a unitary component. As used herein, the term "unitary component" is intended to mean that features are formed together such that no joint is defined therebetween. In other embodiments, the receiver comprises two or more components.

[0098] The heating chamber 211 is defined by the inner surface of the receiving portion 212. The receiving portion 212 functions as a support member. The receiving portion 212 comprises a generally tubular member. The receiving portion 212 extends substantially coaxially around the longitudinal axis 102 of the device 101. However, other shapes may be possible. The receiving portion 212 (and therefore the heating region 215) is open at the proximal end of the receiving portion 212 such that an item 110 inserted into the opening 104 of the device 101 can be received by the heating chamber 211 through the opening 104. The receiving portion 212 is closed at its distal end by an end wall 213. The receiving portion 212 may comprise one or more conduits that form part of the air passageway. In use, the distal end of the item 110 may be positioned adjacent to or engaged with the end of the heating chamber 211. Air can flow through one or more conduits that form part of the air passageway, into the heating chamber 211 and through the article 110 towards the proximal end of the device 101 .

[0099] The receptacle 212 is formed without a material that can be heated by the penetration of a fluctuating magnetic field. The receptacle 212 may be formed from an insulating material. For example, the receptacle 212 may be formed from a plastic such as polyether ether ketone (PEEK). Other suitable materials are possible. The receptacle 212 may be formed from a material that ensures that the heating assembly 201 remains rigid / sturdy when the assembly is in operation. Using a non-metallic material for the receptacle 212 can help limit heating of other components of the device 101. The receptacle 212 may be formed from a rigid material to help support the other components.

[0100] Other configurations for receiver 212 may be possible. For example, in one embodiment, end wall 213 is defined by a portion of heating assembly 201. In some embodiments, receiver 212 includes a material that is heatable by the penetration of a varying magnetic field.

[0101] 2, the heating assembly 201 includes a heating element 220. The heating element 220 is configured to heat a heating region 215. The heating region 215 is defined in a heating chamber 211. In some embodiments, the heating chamber 211 defines a portion of the heating region 215 or an extent of the heating region 215.

[0102] Heating region 215 is a region or volume that can receive an item for heating by device 101. Thus, heating region 215 is defined at least in part by heating assembly 201. Heating region 215 is the space adjacent to heating element 220. In embodiments comprising heating chamber 211 as shown in FIG. 2, heating chamber 211 defines heating region 215. That is, heating chamber defines heating region 215. In some embodiments, heating element 220 defines the heating region.

[0103] As shown in FIG. 8 , in various embodiments, the apparatus lacks a heating chamber. The device 101 comprises a protruding element protruding from the housing. The protruding element comprises a heating element. In such embodiments, the receiver and heating chamber may be omitted, and the protruding element may be surrounded by free space. The protruding element, or at least a portion of the protruding element, is not surrounded by a surrounding member, such as a peripheral wall of the device, when an item is on the protruding element. The term "heating region" will be understood to include the space surrounding the protruding element. That is, the heating region may not be bounded or surrounded by components of the device 101.

[0104] The heating element 220 is heatable to heat the heating region 215. The heating element 220 is an induction heating element. That is, the heating element 220 comprises a susceptor that can be heated by the penetration of a varying magnetic field. In some embodiments, the device 101 does not comprise a susceptor, and a susceptor is provided on the article 110. In some embodiments, the heating element is a resistive heating element. The susceptor comprises a conductive material suitable for heating by electromagnetic induction. For example, the susceptor may be formed from carbon steel. It will be understood that other suitable materials may be used, for example, ferromagnetic materials such as iron, nickel, or cobalt.

[0105] The heating assembly 201 includes a magnetic field generator 240. The magnetic field generator 240 is configured to generate one or more varying magnetic fields that penetrate the heating element 220 to cause heating in the heating element 220. The magnetic field generator 240 includes an inductor coil arrangement 241. The inductor coil arrangement 241 includes an inductor coil 242 that functions as an inductor element. The inductor coil 242 is a helical coil, although other configurations are contemplated. In some embodiments, the inductor coil arrangement 241 may include two or more inductor coils 242. The two or more inductor coils in some embodiments may be positioned next to each other or coaxially aligned along an axis. The inductor coil arrangement 241 is disposed on the heating element 220 as described below.

[0106] In some examples, when in use, the inductor coil is configured to heat the heating element 220 to a temperature between about 200°C and about 350°C, such as between about 240°C and about 300°C or between about 250°C and about 280°C.

[0107] In some embodiments, the heating element forms part of a heating configuration. The heating configuration comprises a heating element protruding from a base. In other embodiments, the heating element is in the article and the heating configuration comprises a protruding member protruding from the base. The heating element or protruding member in some embodiments comprises a magnetic field generator configured to generate a varying magnetic field, including an inductor coil. In some embodiments, the heating configuration is an induction heating configuration. In some embodiments, the heating configuration is a resistive heating configuration.

[0108] The heating element 220 extends into the heating region 215. The heating element 220 functions as a protruding element and protrudes into the heating region 215. The heating element 220 stands up from a base. The heating element 220 is spaced apart from the peripheral wall 214. The heating assembly 201 is configured such that the heating element 220 extends into the distal end of the article 110 when the article 110 is received by the heating chamber 211. The heating element 220 is disposed within the article 110 during use. The heating element 220 is configured to heat the aerosol-generating material of the article 110 from the inside, and is therefore referred to as an internal heating element.

[0109] In an embodiment, the base is formed by features other than the end wall 213 of the receiver.

[0110] The heating element 220 extends into the heating chamber 211 from a distal end thereof along the longitudinal axis 102 of the device (axially). In some embodiments, the heating element 220 extends into the heating chamber 211 spaced apart from the axis 102. The heating element 220 may be offset from or not parallel to the axis 102. While one heating element 220 is shown, it will be understood that in some embodiments, the heating assembly 201 comprises multiple heating elements 220. Such heating elements in some embodiments are spaced apart from one another but parallel to one another.

[0111] Inductor coil 241 may be a helical coil comprising a conductive material such as copper. The coil is formed from a wire, such as Litz wire, wound helically around a support member. In some embodiments, the support member is omitted. The support member is tubular. Coil 241 defines a generally tubular shape. Inductor coil 241 has a generally circular outline. In other embodiments, inductor coil 241 may have a different shape, such as a generally square, rectangular, or oval shape. The coil width may increase or decrease along its length.

[0112] Other types of inductor coils may also be used, for example, flat spiral coils.

[0113] Litz wire comprises multiple individual wires, each individually insulated and twisted together to form a single wire. Litz wire is designed to reduce skin effect losses in the conductor. Other wire types, such as solid, may also be used. The configuration of the spiral inductor coil may vary along the axial length of the spiral inductor coil. For example, the inductor coil, or each inductor coil, may have substantially the same or different values ​​of inductance, axial length, radius, pitch, number of turns, etc.

[0114] The heating element 220 protrudes within the heating region 215 and is received by the item 110. FIG. 2 shows the item 110 received in the device 101. The item 110 is sized to be received by the receiver 212. The outer dimensions of the item 110 perpendicular to its longitudinal axis substantially correspond to the inner dimensions of the chamber 211 perpendicular to the longitudinal axis 102 of the device 101 so that the item 110 can be inserted into the receiver 212. In some embodiments, a gap 216 is defined between the outer side 111 of the item 110 and the inner side 217 of the receiver 212. The gap 216 can function as an air passageway along at least a portion of the axial length of the chamber 211. The insertion end 112 of the item 110 is positioned adjacent to the base of the receiver 212.

[0115] The heating element 220 extends from the distal end of the receiving portion 212 into the heating region 215. The heating element 220 upstands from the end wall 213. The heating element 220 comprises a heating member 224. The heating member 224 is elongated. The heating element 220 comprises a base end 221 and an opposite free end 222. The heating member 224 is a pin or post. Other shapes are also possible; for example, in some embodiments, the heating member 224 is a blade. The heating member 224 upstands from a collar 225. The collar can function as a seal to seal with the end of the article 110. The collar 225 may be omitted.

[0116] Heating element 220 includes an exterior surface 223. Exterior surface 223 defines the periphery of heating element 220. Exterior surface 223 extends between proximal end 221 and free end 222. Heating element 220 is generally cylindrical, although other shapes are contemplated.

[0117] Article 110 includes a hole 113. Hole 113 is pre-formed in article 110. In embodiments, hole 113 is formed by a tubular portion of article 110. In some embodiments, hole 113 extends partially along the longitudinal axis of the article. Hole 113 includes an inner surface 114. Hole 113 has a closed end 115. Heating element 224 is sized to be received in hole 113. Heating element 224 and hole 113 are complementary sized to form a snug fit. Hole inner surface 114 is configured to intimately contact heating element 224 to maximize heat transfer between heating element 220 and article 110.

[0118] The free end 222 in this embodiment is not sharp. Referring to FIG. 4 , in some embodiments, the hole 113 in the article 110 is omitted. In some embodiments, the outer dimensions of the heating element are larger than the outer dimensions of the hole. In such a configuration, the heating element is configured to deform and / or expand the article 110 to be inserted into the article 110. To facilitate this, the inner heating element 220 is configured to pierce the article 110 as it is inserted into the device 101. In such an embodiment, the free end 222 of the heating element 220 comprises a sharp edge or point. The free end 222 of the heating element 220 in embodiments comprises a sharp edge, point, or other guiding feature to aid in positioning the heating element 220 in the article 110.

[0119] 3 shows an expanded view of the heating configuration 201. In this embodiment, the inductor coil 242 of the magnetic field generator 240 is disposed within the heating element 220. Providing the heating configuration 201 in which the inductor coil 242 is disposed within the inner heating element 220, which functions as a susceptor, helps enable a significant reduction in the size of the device compared to known devices. Reducing the size requirements of the device 101 with the heating configuration 201 can result in, for example, greater portability and compactness, increased battery capacity for the same sized device, and / or a larger heating area 215 to accommodate larger items 110. In some embodiments, the inductor coil 242 is completely encased by the material forming the heating element 220.

[0120] The heating element 220 includes a heating material configured to generate heat in the presence of a varying magnetic field. The heating element 224 is formed from the heating material. The heating element 224 functions as a susceptor. In some embodiments, the heating element 224 includes a layer of heating material, for example, forming the outer surface of the heating element. The coil 242 includes a coating to electrically insulate the coil 242 from the heating material and to electrically insulate adjacent turns of the coil 242. The coating functions as an insulator. In operation, a varying current is passed through the inductor coil 242. This varying current generates a varying magnetic field in the region of the heating element 220, which increases the temperature of the heating material in this region. The heating induced in the heating material by this magnetic field heats the heating element, which transfers heat to the article 110, thereby aerosolizing the material in the article 110.

[0121] FIG. 4 illustrates another configuration of the heating configuration 201 of the device 101. As shown, the heating element 220 in this example comprises a heating member 420. The heating member 420 comprises a cavity 430. In this embodiment, the coil 242 is at least partially disposed within the cavity 430. The cavity 430 can have any shape and may either completely contain the coil 242 or contact and / or partially encase the coil windings. The cavity 430 is fluidly isolated from the heating region 215. Providing the heating member 420, which houses the coil 242, with a cavity 430 helps improve the reliability of the device 101 by isolating the coil from condensation and / or debris that may accumulate in the heating region 215. The heating element 220 shown in each of the figures is depicted as being generally cylindrical or tubular in shape. However, the heating element 220 can have any form or shape. As a result, the coil may be a helical coil or any other coil form capable of generating a magnetic field, such as a flattened helical coil or an ovoid coil, etc. The coil form is, in some embodiments, independent of the choice of form or shape of the heating element.

[0122] The heating element 220 includes a carrier (not shown) to support the coil 242 in the cavity 430. The carrier keeps the coil windings in place. One such carrier is shown in FIG. 5. The carrier may be omitted, for example, the coil 242 may be self-supporting. In some embodiments, the coil 242 is bonded to the heating element 220. In such embodiments, an insulating layer or coating is provided.

[0123] FIG. 5 illustrates another configuration similar to FIG. 4 . As in the embodiment of FIG. 4 , the heating element 220 includes a heating element 420 having a cavity 430. In this embodiment, the inductor coil 242 is contained within the cavity 430. An electrical insulator 500 is disposed in the cavity 430 of the heating element 420. In this embodiment, the insulator 500 is disposed between the windings of the inductor coil 242 and the cavity wall 531. The insulator 500 serves as support. Although the cavity wall at the free end 222 is not shown with the insulator 500, the insulator 500 may also be disposed along this portion of the cavity wall 531. The free end 222 forms the closed end of the heating element 220. The insulator 500 may include thermal putty or resin. In some embodiments, the insulator 500 is plastic, such as PEEK. The presence of the insulator 500 in this embodiment serves to electrically insulate the coil 242 from the heating element 420. This prevents the heating element 420 from conducting electricity applied to the coil 242. The insulator 500 in this embodiment also helps support the coil 242 in position within the cavity 430 relative to the heating element 420. A thermally conductive insulator 500 may be used to aid in the distribution of heat in the heating element. The space in the heating element 220 that is not filled with the insulator 500 or the coil forms a chamber 440, which may be filled with air. The air in the chamber 440 can function to convect heat along the heating element 220. Providing such an air-filled chamber 440 can also distribute the heat of the heating element 220 around the edges of the heating element 220 that are adjacent to the item 110 during use, resulting in improved heating of the material in the item 110.

[0124] FIG. 6 shows another configuration of the heating arrangement 201. In this embodiment, an insulator 600, similar to the insulator 500 of FIG. 5, fills the cavity 430 around the coil 242. When provided, the insulator 600 supports the coil 242 in position relative to the heating element, ensuring reliability and longevity of the device. The insulator 600 may be formed from a thermal conductor such as thermal putty. Using thermal putty as the insulator 600 improves heat distribution across the heating element, resulting in more effective aerosolization of the article during use.

[0125] FIG. 7 illustrates a further embodiment. In this embodiment, the heating element 420 includes an air outlet 750 through a wall 721 of the heating element 420. Also shown is an air inlet 752 through the base of the heating element 220. Generally, the air inlet 752 is in fluid communication with a passageway (not shown) that communicates with the exterior of the device 101. In use, when a user draws on the mouthpiece of the device 101, air enters the device 101, enters the heating element 220 through the air inlet 752, travels through the cavity 430 of the heating element 420, and exits through the air outlet 750. The air then passes over the heated aerosol-generating material of the inserted article, providing aerosolized material to the user. While the air inlet 752 is shown in FIG. 7 as being located at the base of the heating element 220, the air inlet 752 may be located anywhere on the heating element 220. Similarly, the air outlet 750 may be located anywhere on the heating element 220. Although only one air inlet 752 and one air outlet 750 are shown, the heating element 220 may include any number of air inlets 752 and air outlets 750. The heating element 220 may also include a perforated heating element 420. One advantage of providing an air passage through the cavity 430 and past the coil 242 is that when the device 101 is operated, air is drawn into the coil 242 to cool it. This reduces undesirable resistive heating losses in the coil 242, thereby improving the overall efficiency of the device and extending battery life. The embodiment shown in FIG. 7 and described above may be combined with any of the previously described embodiments of FIGS. 1-6. This means that any of the described embodiments may be provided with at least one air inlet 752 and air outlet 750 through the heating element 220.

[0126] The wall 721 of the heating element 420 of any of the embodiments described in connection with Figures 4-7 may also include a heating material configured to generate heat in the presence of a varying magnetic field. The heating element 420 may be constructed from the heating material or may further include a support layer disposed on the exterior or interior of the heating element 420. The heating element 420 may further include an outer protective coating disposed on the exterior surface of the heating element 420. The outer coating may be thermally conductive so as not to interfere with heating of the aerosol-generating material.

[0127] In any of the foregoing embodiments, the coil 242 may include a coating on the exterior surface of the coil 242 to protect the coil 242 from oxidation and to prevent electrical contact between adjacent coil turns and the heating element 420. Such a coating may include enamel.

[0128] In any of the above-described embodiments, the coil 242 may be spaced apart from the heating element 224 and / or heating material. The coil 242 may be spaced apart from the heating element 224 and / or heating material by between 0.1 mm and 0.2 mm. This means that the distance between the outer periphery of the coil 242 and the inner surface of the heating element 224 and / or the heating material present in the heating element 224 may be between 0.1 mm and 0.2 mm. In some embodiments, the distance between the outer periphery of the coil 242 and the inner surface and / or heating material of the heating element 224 may be less than 0.2 mm. The inductor coil 242 may be a helical coil, and the interior volume of the heating element defined by the cavity 430 may be generally cylindrical. The heating element 224 may be tubular. In such embodiments, the spacing between the outer periphery of the coil 242 and the inner surface and / or heating material of the heating element 224 may be constant around the circumference of the coil 242.

[0129] In some embodiments, the inner diameter of coil 242 is between 1 mm and 1.5 mm. In some embodiments, the outer diameter of coil 242 is between 2 mm and 2.5 mm. Coil 242 may be a spiral in these embodiments.

[0130] In some embodiments, the cross-sectional diameter of the coil windings may be between 0.5 mm and 0.75 mm.

[0131] In any of the embodiments described herein, the magnetic field generator 240 may be configured to generate a varying magnetic field having a frequency between 800 kHz and 1.5 MHz.

[0132] In some embodiments, as generally shown in the figures, the inductor coil 242 begins at the end proximate the collar 225 and extends partially along the length of the heating element 220. However, any of the foregoing embodiments may also include a coil 242 that extends completely along the entire length of the heating element 220. The coil may also extend partially along the heating element 220 but not begin at the end proximate the collar. For example, the coil 242 may extend from the free end 222 of the heating element 220. The coil 242 may extend over any selected length of the heating element 220 to provide a particular heating profile. When the coil 242 is positioned and extends, it can provide localized heating to the heating element 220, and thus the article 110, along specific regions of the heating element 220 and the article 110. When the coil 242 extends along the entire length of the heating element 220, this ensures consistent heating along the entire length of the heating element 220, increasing the overall heat supplied to the article 110.

[0133] Figure 8 shows another embodiment. The embodiment of Figure 8 generally corresponds to the embodiment of Figure 2, except that the heating element 220 protrudes from the housing 103. In such an embodiment, the device does not have a receptacle into which the heating element is received, i.e., the heating area 215 is not surrounded or bounded by any other components.

[0134] Any of the heating elements of FIGS. 3-7 can be used in the aerosol generation device of FIG. 8. In some embodiments, an inductor coil resides at least partially within the heating element corresponding to the above-described configuration. The inductor coil extends at least partially within the heating region. In some embodiments, the heating configuration is an inductive heating configuration. In some embodiments, the heating configuration is a resistive heating configuration. In some embodiments, a resistive heating element is used in the device of FIG. 8. In such a configuration, the heating assembly 201 comprises a resistive heating generator including components for heating the heating element by a resistive heating process. In this case, an electric current is applied directly to the resistive heating component, such that the heating component is heated by Joule heating due to the current flowing through the heating component. The resistive heating component comprises a resistive material configured to generate heat when an appropriate electric current passes through it, and the heating assembly comprises electrical contacts for supplying the electric current to the resistive material.

[0135] The housing 103 defines a base 213a from which the heating element 220 protrudes. The heating element 220 rises from the base 213a. The heating element 220 is configured to receive at least a portion of the item 110. The heating element 220 is exposed. The term "exposed" will be understood to mean that a portion of a feature is not surrounded by another feature, such that the feature extends beyond its exterior. The heating element 220 is not received within a heating chamber. In the device of FIG. 8, the heating element extends beyond the exterior of the device's housing. In the embodiment of FIG. 8, the entire heating element 220 protruding from the base is not surrounded. In some embodiments, a substantial portion of the heating element 220 is exposed. In such embodiments, a minor portion of the heating element extends within the exterior of the device's housing. Optionally, at least 80% of the heating element 220 is exposed, optionally 60%, and optionally 50%.

[0136] Figure 8 also shows an article 110 for use with any of the embodiments described herein. The article 110 in Figure 8 is generally similar to the article 110 in Figure 2. The article 110 in Figure 8 can be used with the aerosol generating device 101 in Figure 8. The article 110 includes a hole 113. The hole 113 may be omitted. The exposed heating element in Figure 8 allows the device to be lighter and more compact, and makes the heating element easier to access for cleaning.

[0137] Figure 9 shows another embodiment. The embodiment of Figure 9 generally corresponds to the embodiment of Figure 8, except that the device 101 does not include a heating element 220. In the above embodiment, the heating element 220 functions as a protruding element. In the embodiment described with reference to Figure 9, the device includes a protruding element 243, and the article 110 includes a heating element. The protruding element 243 includes an inductor coil 242.

[0138] In such embodiments, the device lacks a receptacle into which a heating element is received. That is, the heating region 215 is not surrounded or bounded by any other components. The housing 103 defines a base 213a from which a protruding element 243 protrudes. The protruding element 243 rises from the base 213a. The protruding element 243 is configured to receive at least a portion of the item 110. The protruding element 243 is exposed. The term "exposed" should be understood to mean that a portion of a feature is not surrounded by another feature, thereby extending beyond the exterior of the feature. The protruding element 243 is not received in the heating chamber. In the device of FIG. 9, the protruding element 243 extends beyond the exterior of the housing 103 of the device 101. In the embodiment of FIG. 9, the entire protruding element 243 protruding from the base is not surrounded. In some embodiments, a substantial portion of the protruding element 243 is exposed. In such embodiments, a small portion of the protruding element 243 extends within the exterior of the housing 103 of the device 101. Optionally, at least 80% of the protruding element 243 is exposed, optionally 60%, and optionally 50% is exposed.

[0139] The protruding elements 243 are disposed within the article 110 in use.

[0140] The protruding elements 243 are pins or posts. The protruding elements function as rods. The protruding elements are elongated. Other shapes are possible, for example, the heating elements in some embodiments are blades.

[0141] The protruding element 243 extends from the proximal end of the housing 103 (axially) along the longitudinal axis 102 of the device. In some embodiments, the protruding element 243 extends at a distance from the axis 102. The protruding element 243 may be offset from the axis 102 or may not be parallel to the axis 102. While one protruding element 243 is shown, it will be understood that in some embodiments, the device 101 comprises multiple protruding elements 243. Such protruding elements in some embodiments are spaced apart from one another but parallel to one another.

[0142] The protruding element 243 extends from the end wall 213a of the housing 103. The protruding element 243 has a base end 221a and an opposite free end 222a. The protruding element 243 may be a pin or a post. Other shapes are possible; for example, in some embodiments, the protruding element 243 is a blade.

[0143] The protruding element 243 has an outer surface 223a. The outer surface 223a defines the perimeter of the protruding element 243. The outer surface 223a extends between the proximal end 221a and the free end 222a. The protruding element 243 is generally cylindrical, although other shapes are contemplated.

[0144] Article 110 includes hole 113. Hole 113 is pre-formed in article 110. In some embodiments, hole 113 is formed by a tubular portion of article 110. In some embodiments, hole 113 extends partially along the longitudinal axis of the article. Hole 113 includes an inner surface 114. Hole 113 has a closed end 115. Protruding element 224 is sized to be received in hole 113. Protruding element 243 and hole 113 are complementary sized to form a snug fit. Hole inner surface 114 is configured to intimately contact protruding element 243 and retain article 110 on protruding element 243.

[0145] The free end 222a in this embodiment is not sharp. Referring to FIG. 9 , in some embodiments, the hole 113 in the article 110 is omitted. In some embodiments, the outer dimensions of the protruding element 243 are larger than the outer dimensions of the hole. In such a configuration, the protruding element 243 is configured to deform and / or expand the article 110 to be inserted into the article 110. To facilitate this, the protruding element 243 is configured to pierce the article 110 as it is inserted into the device 101. In such an embodiment, the free end 222a of the protruding element 243 comprises a sharp edge or point. In some embodiments, the free end 222a of the protruding element 243 comprises a sharp edge, point, or other guiding feature to aid in positioning the protruding element 243 on the article 110.

[0146] The inductor coil 242 is embedded in a protruding element 243. The protruding element 243 is an electrical insulator. The protruding element 243 protects and supports the inductor coil 242. The protruding element 243 may comprise thermal putty or resin. In some embodiments, the protruding element 243 is plastic, such as PEEK.

[0147] The article 110 includes a heating element 224 that functions as a heating element. The heating element 224 is formed from a heating material configured to generate heat in the presence of a varying magnetic field. The heating element 224 functions as a susceptor. The heating element 224 is tubular. The heating element 224 can be positioned around the protruding elements 243. The heating element 224 is embedded in the aerosol-generating material. In some embodiments, the heating element 224 forms a layer or coating on the aerosol-generating material. In some embodiments, the heating element 224 forms a surface of the hole 113 in the article 110. The heating element 224 comprises a film of a heating material. In some embodiments, the heating element includes a plurality of particles of the heating material dispersed in the aerosol-generating material. In some embodiments, the heating element comprises a coil of heating material. Providing the heating element 224 on the article 110 improves the safety of the device by not directly heating the exposed protruding elements 243, reducing the likelihood of a user accidentally coming into contact with the exposed protruding elements 243 and being burned after use and removal of the article 110.

[0148] In embodiments having an induction heating arrangement, the protruding element 243 comprises a body that functions as a protruding member and defines the outer extent of the protruding element 243. The body defines the exposed outer surface of the protruding element 243. In some embodiments, the body is free of material that can be heated by the penetration of a varying magnetic field.

[0149] In the above embodiments, the heating element is an induction heating element. In some embodiments, other types of heating elements, such as resistive heating, are used. The device configuration is generally similar to that described above and therefore will not be described in detail. In such an arrangement, the heating assembly 201 comprises a resistive heating generator including components for heating the heating element by a resistive heating process. In this case, electrical current is applied directly to the resistive heating element, such that the current flowing through the heating element heats the heating element by Joule heating. The resistive heating element comprises a resistive material configured to generate heat when an appropriate electrical current is passed through it, and the heating assembly comprises electrical contacts for supplying the electrical current to the resistive material.

[0150] In some embodiments, the heating element forms the resistive heating component itself, hi some embodiments, the resistive heating component transfers heat to the heating element, for example, by conduction.

[0151] The above-described embodiments should be understood as illustrating examples of the present invention. Additional embodiments of the present invention are also contemplated. It should be understood that any feature described in connection with any one embodiment may be used alone or in combination with other features described, and may also be used in combination with one or more features of any other embodiment or one or more features of any combination of any other embodiment. Furthermore, equivalents and modifications not described above may also be employed without departing from the scope of the present invention, which is defined in the appended claims.

Claims

1. 1. An aerosol-generating device for generating an aerosol from an aerosol-generating material, comprising: a heating region for receiving at least a portion of the article including the aerosol-forming material; a heating assembly; a magnetic field generator configured to generate a varying magnetic field, the magnetic field generator including an inductor coil; a heating element including a heating material that can be heated by the penetration of the fluctuating magnetic field; a heating assembly comprising: Equipped with the heating element projects into the heating area; An aerosol generating device, wherein the inductor coil protrudes at least partially into the heating region.

2. The aerosol generation device according to claim 1 , wherein the inductor coil extends at least partially within the heating element.

3. The aerosol generating device of claim 2 , wherein the inductor coil is fluidly isolated from the heating region.

4. 4. The aerosol generating device according to claim 2 or 3, wherein the heating element comprises a cavity and the inductor coil extends at least partially within the cavity.

5. The aerosol generating device according to claim 4 , wherein the cavity is isolated from the heating region.

6. 6. The aerosol generating device according to claim 4, wherein the cavity at least partially defines an air passage through the heating element.

7. 9. The aerosol generation device according to claim 8, wherein the heating element comprises a wall and an air outlet communicating through the wall.

8. The aerosol generation device according to any one of claims 1 to 7, wherein the heating element comprises a heating member and an insulator within the heating member.

9. The aerosol generating device of claim 8 , wherein the insulator supports the inductor coil within the heating member.

10. The aerosol generating device according to claim 8 or 9, wherein the insulator comprises a filler.

11. The aerosol generating device according to any one of claims 8 to 10, wherein the coil comprises a coating.

12. An aerosol generating device according to any one of claims 8 to 11, wherein the insulator electrically insulates the coil from the heating element.

13. 13. The aerosol generating device according to claim 4, wherein the heating material is spaced apart from the inductor coil.

14. 14. The aerosol generating device according to claim 1, wherein the inductor coil is spaced apart from the heating material by a distance of less than 0.2 mm.

15. 15. The aerosol generating device of claim 14, wherein the inductor coil is spaced apart from the heating material by a distance between 0.1 and 0.2 mm.

16. An aerosol generating device according to any one of claims 1 to 15, wherein the inductor coil is a helical coil.

17. 17. The aerosol generating device according to claim 16, wherein the inner diameter of the inductor coil is between 1 mm and 1.5 mm and / or the outer diameter of the inductor coil is between 2 mm and 2.5 mm.

18. An aerosol generating device according to any one of claims 1 to 17, wherein the heating element is tubular.

19. An aerosol generating device according to any one of claims 1 to 15, wherein the heating element is a blade.

20. 19. The aerosol generation device according to any one of claims 1 to 18, wherein the inductor coil comprises a coil winding having a cross-sectional diameter between 0.5 mm and 0.75 mm.

21. 21. An aerosol generation device according to any one of claims 1 to 20, wherein the magnetic field generator is configured to generate a varying magnetic field at a frequency between 800 kHz and 1.5 MHz.

22. 1. An aerosol-generating device for generating an aerosol from an aerosol-generating material, comprising: a receiving portion for receiving at least a portion of an article including an aerosol-forming material; a heating assembly; a magnetic field generator configured to generate a varying magnetic field, the magnetic field generator including an inductor coil; a heating element heatable by penetration of said fluctuating magnetic field; a heating assembly comprising: Equipped with An aerosol generating device, wherein at least a portion of the inductor coil and the heating element protrude into the receiving portion.

23. 1. An aerosol-generating device for generating an aerosol from an aerosol-generating material, comprising: a receiving portion for receiving at least a portion of an article including an aerosol-forming material; a heating assembly; a magnetic field generator configured to generate a varying magnetic field, the magnetic field generator including an inductor coil; a heating element heatable by penetration of said fluctuating magnetic field; a heating assembly comprising: Equipped with An aerosol generating device, wherein the spacing between the heating element and the inductor coil is less than 0.2 mm.

24. 1. A heating assembly for an aerosol generating device, comprising: an inductor coil for a magnetic field generator configured to generate a varying magnetic field; a heating element arranged to extend within a heating region of the aerosol generating device, the heating element including a heating material that can be heated by penetration of the fluctuating magnetic field; Equipped with A heating assembly wherein the inductor coil extends at least partially within the heating element.

25. A system comprising at least one of the aerosol generating device according to any one of claims 1 to 23 and the heating assembly according to claim 24, and an article containing an aerosol-generating material.

26. 26. The system of claim 25, wherein the article is free of materials that can be heated by penetration of the varying magnetic field.

27. 1. An aerosol-generating device for generating an aerosol from an aerosol-generating material, comprising: a heating assembly; a magnetic field generator configured to generate a varying magnetic field, the magnetic field generator including an inductor coil; a heating element including a heating material that can be heated by the penetration of the fluctuating magnetic field; a heating assembly comprising: Equipped with An aerosol generating device, wherein the inductor coil protrudes at least partially into the heating element.

28. 1. An aerosol-generating device for generating an aerosol from an aerosol-generating material, comprising: a heating assembly; a magnetic field generator configured to generate a varying magnetic field, the magnetic field generator including an inductor coil; a heating element heatable by penetration of said fluctuating magnetic field; a heating assembly comprising: Equipped with An aerosol generating device, wherein the spacing between the heating element and the inductor coil is less than 0.2 mm.

29. 1. A heating assembly for an aerosol generating device, comprising: an inductor coil for a magnetic field generator configured to generate a varying magnetic field; a heating element including a heating material that can be heated by the penetration of the fluctuating magnetic field; Equipped with A heating assembly wherein the inductor coil extends at least partially within the heating element.

30. 1. An aerosol-generating device for generating an aerosol from an aerosol-generating material, comprising: Housing and an exposed heating element protruding from the housing, the heating element configured to be received within the aerosol product to heat the aerosol product; and An aerosol generating device comprising:

31. 31. The aerosol generating device of claim 30, wherein the heating arrangement comprises a heating element protruding from the housing configured to be received within the aerosol generating product.

32. 32. The aerosol generating device of claim 31 , wherein the housing comprises a base from which the heating element protrudes.

33. 31. The aerosol generating device of claim 30, wherein the heating configuration comprises a protruding element protruding from the housing configured to be received within the aerosol generating product, the protruding element comprising an inductor coil.

34. 34. The aerosol generation device of claim 33, wherein the housing comprises a base from which the protruding elements protrude.

35. An aerosol generating device according to any one of claims 30 to 34, wherein the heating element is a resistive heating element.

36. An aerosol generating device according to any one of claims 30 to 34, wherein the heating arrangement is an induction heating arrangement.

37. 37. The aerosol generating device of claim 36, wherein the heating arrangement comprises an inductor coil.

38. 38. The aerosol generating device according to any one of claims 30 to 37, wherein a heating region extends around the exposed heating element and is configured to at least partially receive the article containing the aerosol-generating material.

39. An aerosol generating device according to any one of claims 27, 28, or 30 to 38; Aerosol-generating products and An aerosol delivery system comprising:

40. 40. The aerosol delivery system of claim 39, wherein the aerosol generator comprises a hole configured to receive the heating arrangement.

41. 41. An aerosol delivery system according to claim 39 or 40, wherein the aerosol generator comprises a heating element comprising a material heatable by the penetration of a fluctuating magnetic field.

42. Use of a device according to any one of claims 27, 28 or 30 to 38 for generating an aerosol from an aerosol generating product.

43. 43. The method of claim 42, comprising inserting the heating arrangement into the aerosol generating product.

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