Aerosol delivery system

Abstract

To provide an aerosol delivery system, a consumable for use in the aerosol delivery system, a method of delivering an aerosol, and an aerosol delivery means.SOLUTION: The aerosol provision system 200 comprises a consumable 202 for an aerosol provision system comprising a plurality of regions 222, 224, 226 of aerosol generating material, and a heater 204 comprising a plurality of heating elements 232, 234, 236, each heating element corresponding to one of the plurality of regions of aerosol generating material, wherein, in use, the heater is configured to controllably heat at least two of the plurality of regions of aerosol generating material to generate a personalized aerosol for inhalation.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to an aerosol delivery system, a consumable item for use in an aerosol delivery system, a method for delivering an aerosol, and an aerosol delivery means. [Background technology]

[0002] Aerosol delivery systems are known. Typical systems use a heater to generate an aerosol from a suitable medium, which is then inhaled by a user. Often, the medium used must be replaced or changed to deliver a different aerosol for inhalation. This may require the user to open the system or access internal components of the system. Personalized aerosols are not delivered by typical aerosol delivery systems.

[0003] The present invention aims to solve or mitigate some of the problems identified above. Summary of the Invention

[0004] Aspects of the present invention are defined in the accompanying claims.

[0005] According to a first aspect described herein, there is provided an aerosol delivery (AP) system, the aerosol delivery system comprising: an aerosol delivery system consumable comprising a plurality of regions of aerosol-generating material; and a heater comprising a plurality of heating elements, each heating element corresponding to one of the plurality of regions of aerosol-generating material. In use, the heater is configured to controllably heat at least two of the plurality of regions of aerosol-generating material to generate a personalized aerosol for inhalation.

[0006] According to a second aspect described herein, there is provided an aerosol supply (AP), the AP comprising: a consumable for an aerosol supply system, the consumable comprising a carrier support and a plurality of portions of aerosol-generating material disposed on the carrier support; and a heater comprising a plurality of heating elements, each heating element corresponding to one of the plurality of portions of aerosol-generating material disposed on the carrier support. In use, the heater is configured to controllably heat at least two of the plurality of portions of aerosol-generating material to generate a personalized aerosol for inhalation.

[0007] In one embodiment, a first heating element heats a first portion of the aerosol-generating material for a first time period, and a second heating element heats a second portion of the aerosol-generating material for a second time period, the first time period and the second time period being different.

[0008] In one embodiment, a first heating element heats a first portion of the aerosol-generating material at a first power level and a second heating element heats a second portion of the aerosol-generating material at a second power level, the first power level and the second power level being different power levels.

[0009] In one embodiment, a control unit is provided and is configured to receive commands related to the generation of an aerosol and to control activation of specific heating elements of the heater to generate the aerosol.

[0010] In one embodiment, a movement system configured to effect relative movement between the consumable and at least two of the plurality of heating elements is provided, the system configured to move at least two of the plurality of heating elements relative to the consumable to selectively heat corresponding at least two of the plurality of portions.

[0011] In one embodiment, it is provided that a movement system is configured to provide movement to the consumable.

[0012] In one embodiment, the heater is moved relative to the consumable by a movement system to selectively heat at least two of the plurality of portions before or during an inhalation session.

[0013] In one embodiment, the portions of aerosol-forming material are in the form of at least one of a gel and a solid.

[0014] In one embodiment, the portions of aerosol-forming material are on one side of the carrier support, and the heaters face different sides of the carrier support.

[0015] In one embodiment, the carrier support is formed from at least one of paper or cellulose.

[0016] In one embodiment, the carrier support is substantially rectangular in configuration and the portions of aerosol-forming material are disposed in rows.

[0017] According to a third aspect described herein, there is provided an aerosol delivery system according to any one of the preceding claims, and substrate identification means, the substrate identification means comprising an input mechanism operable to receive an identifier corresponding to a substrate type, morphology acquisition means operable to acquire data indicative of the morphology of the plurality of regions of aerosol-generating material on the identified substrate type, and control setting means operable to modify heating control of at least two of the plurality of regions of aerosol-generating material in response to the indicated morphology of the substrate.

[0018] In one embodiment, it is provided that the mobile phone comprises the substrate identification means and the aerosol delivery system comprises wireless communication means operable to communicate with the mobile phone.

[0019] According to a fourth aspect described herein, there is provided a consumable for use in an aerosol delivery (AP) system, the consumable comprising a plurality of regions of aerosol-generating material, the plurality of regions of aerosol-generating material being arranged in a series of rows, and the aerosol-generating material comprising at least one of a gel and a solid.

[0020] According to a fifth aspect described herein, there is provided a consumable for use in an aerosol delivery (AP) system, comprising a carrier support and a plurality of portions of aerosol-generating material, the plurality of portions of aerosol-generating material being arranged in a series of rows on the carrier support, and the aerosol-generating material comprising at least one of a gel and a solid.

[0021] In one embodiment, multiple portions of aerosol-forming material are disposed on one side of the carrier support.

[0022] According to a sixth aspect described herein, there is provided a method for supplying an aerosol, the method comprising the steps of: providing a heater comprising a plurality of heating elements; providing a consumable comprising a plurality of regions of aerosol-generating material; and heating at least two of the plurality of regions of aerosol-generating material to generate a personalized aerosol, wherein the aerosol-generating material comprises at least one of a gel and a solid.

[0023] In one embodiment, the method of delivering an aerosol further includes moving at least one heating element of the heater relative to the consumable before heating at least one of the portions of the aerosol-generating material.

[0024] In one embodiment, the method further includes heating at least some of the plurality of heating elements to generate personalized aerosols from corresponding ones of the plurality of regions of the aerosol-generating material, each of the plurality of regions of the aerosol-generating material having a corresponding heating element within the plurality of heaters.

[0025] According to a seventh aspect described herein, there is provided an aerosol delivery (AP) means comprising: a consumable for an aerosol delivery system comprising a plurality of regions of aerosol-generating material; and a heating means comprising a plurality of heating elements, each heating element corresponding to one region of the plurality of regions of aerosol-generating material, wherein, in use, the heating means is configured to controllably heat at least two of the plurality of regions of aerosol-generating material to generate a personalized aerosol for inhalation.

[0026] According to an eighth aspect described herein, there is provided an aerosol delivery (AP) system comprising: an aerosol delivery system consumable comprising a plurality of portions of aerosol-generating material; and a heater comprising a plurality of heating zones, each heating zone corresponding to one of the plurality of portions of aerosol-generating material, wherein, during use, the heater is configured to controllably heat at least two of the plurality of portions of aerosol-generating material to generate a personalized aerosol for inhalation.

[0027] In one embodiment, multiple zones are provided on a single heating structure.

[0028] In one embodiment, the heater comprises at least one heating structure, each heating structure comprising multiple heating zones.

[0029] According to a ninth aspect described herein, there is provided a method of supplying an aerosol, the method comprising the steps of: providing a heater having a plurality of heating zones; providing a consumable having a plurality of regions of aerosol-generating material; and heating at least two of the plurality of regions of aerosol-generating material to generate a personalized aerosol.

[0030] In one embodiment, multiple zones are provided on a single heating structure.

[0031] In one embodiment, the heater comprises at least one heating structure, each heating structure comprising multiple heating zones.

[0032] The present teachings will now be described, by way of example only, with reference to the following figures, in which like parts are indicated by like reference numerals: [Brief explanation of the drawings]

[0033] [Figure 1] 1 is a schematic cross-sectional view of a consumable item for use in an aerosol delivery system according to an example embodiment. [Figure 2] 1 is a schematic cross-sectional view of a consumable item for use in an aerosol delivery system according to an example embodiment. [Figure 3] 1 is a schematic cross-sectional view of a portion of an example aerosol delivery system. [Figure 4] 1 is a schematic cross-sectional view of a portion of an example aerosol delivery system. DETAILED DESCRIPTION OF THE INVENTION

[0034] While the invention is susceptible to various modifications and alternative forms, specific embodiments have been shown by way of example in the drawings and are herein described in detail. It should be understood, however, that the drawings and detailed description of the specific embodiments are not intended to limit the invention to the particular forms disclosed. On the contrary, the invention covers all modifications, equivalents, and alternatives falling within the scope of the invention as defined by the appended claims.

[0035] 1 shows a schematic diagram of a consumable 1 for use in an aerosol delivery system. The consumable 1 shown in this example is designed for use in an aerosol delivery system that may be designed to simulate a cigarette, and therefore, by way of non-limiting example, may have a substantially cylindrical shape and be approximately the same size as a cigarette. In other embodiments, the consumable 1 may have a different shape, such as a substantially planar shape, a substantially rectangular shape, a substantially spherical shape, a trapezoid shape, or other shape.

[0036] The consumable product 1 has multiple regions of aerosol-generating material 2. The aerosol-generating material 2 has three regions 22, 24, and 26 as shown. During use, a heater in the aerosol delivery system can selectively heat one, some, or all of the regions 22, 24, and 26 simultaneously or separately. The regions 22, 24, and 26 of the aerosol-generating material 2 may be regions 22, 24, and 26 of the same aerosol-generating material, such as tobacco, or may be regions 22, 24, and 26 of different aerosol-generating materials, such as nicotine, glycol, and acid, which can be controllably heated to deliver a personalized aerosol.

[0037] The term region may be used herein to refer to a portion of a larger element, such as, for example, an aerosol-generating material. In examples, the term portion may be used in a manner similar to the term region. A portion may be, for example, an amount of aerosol-generating material suitable for delivering a set amount of aerosol in one or more puffs (or sessions) from an aerosol delivery system. The example consumable 1 with regions 22, 24, 26 of aerosol-generating material 2 may be used in any of the example aerosol delivery systems provided herein.

[0038] The heater may comprise one or more electrical resistance heaters, including, for example, one or more nichrome resistance heater(s) and / or one or more ceramic heater(s). The one or more heaters may comprise one or more induction heaters, including a structure comprising one or more susceptors that may form a chamber into which the consumable 1 or other item comprising the aerosolizable material is inserted or otherwise positioned during use. Alternatively or additionally, the one or more susceptors may be provided on the consumable 1 or aerosolizable material. Other heating structures may be used.

[0039] 2 shows a schematic diagram of a consumable 100 for use in an aerosol delivery system. The consumable 100 shown in this example is designed for use in an aerosol delivery system that may be designed to simulate a cigarette, and therefore, by way of non-limiting example, may have a substantially cylindrical shape and may be approximately the same size as a cigarette.

[0040] The consumable product 100 includes a carrier support 110. The consumable product 100 includes multiple portions of aerosol-generating material 120 disposed on the carrier support 110. The multiple portions of aerosol-generating material 120 may be disposed on the carrier support 110 in one or more rows. In the example shown in FIG. 2, the multiple portions of aerosol-generating material 120 include three portions of aerosol-generating material (122, 124, 126). The portions (122, 124, 126) may be disposed in any arrangement. The portions may be considered to be separate deposits of aerosol-generating material. The portions may have a uniform size or may have different sizes, as described later in this specification. The portions may be disposed in any predetermined configuration.

[0041] The portions of the aerosol-generating material 120 may be disposed exclusively on one side 112 of the carrier support 110, or, optionally, with portions also disposed on the opposite side 114 of the carrier support 110. In the illustrated example, the carrier support 110 has two sides, but the carrier support 110 need not be limited to such a shape; for example, the carrier support 110 may be substantially cylindrical, triangular, square, tubular, or the like. The carrier support 110 in any of these examples may be hollow or solid. In examples where the carrier support 110 has multiple sides, the portions 120 may be constrained to only one side of the carrier support 110 or to all but one side. In alternative examples, the portions 120 may be disposed on all sides of the carrier support 110. In a configuration where a heater is on one side of the carrier support 110 and aerosol-generating material 120 is on one other side (or multiple other sides), heat may be transferred from the heater through the carrier support 110 to the aerosol-generating material 120 on the other side. The material of the carrier support 110 can be selected to effectively transfer heat from the heater to the aerosol-generating material 120 .

[0042] 3 illustrates a portion of an example aerosol delivery system 200. The aerosol delivery (AP) system 200 includes a consumable 202 for the AP system 200. The consumable 202 has similar features to the consumable 100 shown in the example of FIG. 2 and described above; these features will not be repeated here.

[0043] The AP system 200 also includes a heater 204 that includes a plurality of heating elements 230. In the example of Figure 3, each of the heating elements 232, 234, 236 corresponds to one portion 222, 224, 226 of the plurality of portions 220 of aerosol-generating material disposed on the carrier support 210. During use, the heater 204 is configured to controllably heat at least two of the plurality of portions 220 of aerosol-generating material to generate a personalized aerosol for inhalation.

[0044] 3, each of the heating elements 232, 234, 236 can provide thermal energy to a particular portion 222, 224, 226 to enable aerosolization of the aerosol-generating material. During use of the AP system 200, one or more of the heating elements 232, 234, 236 can be activated to generate an aerosol from one or more of the portions 220 of the aerosol-generating material.

[0045] The AP system 200 may include a power chamber (not shown) that includes a power source for powering the heater 230. In the described example, the heater 230 may be an electrical resistance heater 230. However, in other examples, the heater 230 may be a chemically activated heater that may or may not operate via an exothermic reaction or the like. The heater 230 may be part of an induction heating system, in which case the heater 230 is an energy source for induction heating, such as a coil of copper wire, and the carrier support 210 may be or include a susceptor or the like. The susceptor may be, for example, a sheet of aluminum foil. In one example, the portions 222, 224, and 226 of the aerosol-generating material may each include a susceptor. The susceptor may be partially or completely incorporated within the portion. The portions 222, 224, and 226 of the aerosol-generating material may each include a substantially similar susceptor, or one or more of the portions 222, 224, and 226 may include substantially different susceptors. In one example, the heating elements 232, 234, 236 are sources for induction heating, such as induction coils. In one example, the heating elements 232, 234, 236 are not all the same type of heating element. In one example, at least one heating element 232, 234, 236 of the heater 230 is an electrical resistance heater, and other heating elements 232, 234, 236 are chemically activated heaters, and optionally other heating elements 232, 234, 236 are induction heaters, in which case the induction heater heating elements 232, 234, 236 may be sources of induction heating, such as induction coils, or the induction heater heating elements 232, 234, 236 may be susceptors.

[0046] In one example, the plurality of portions 220 and the plurality of heating elements 230 may be unequal in number. For example, one heating element can heat two portions if it is desired that the portions always be heated together. Conversely, two heating elements may be used for each corresponding portion in some cases, but may be used in concert to heat a larger portion (e.g., a portion related to the main component of the aerosol or consumed more frequently) in other cases. Alternatively or additionally, the carrier support may be physically movable laterally relative to the heaters to reposition one or more different portions on the corresponding heaters, thereby enabling a new mixing palette. Each portion 220 on the consumable 202 may have its own heater element positioned underneath (e.g., directly below) it when inserted into the system 200. When inserted, the consumable 202 is secured in place to prevent movement and ensure good contact between the heater 230 and the portion 220. In one example, the plurality of portions 220 may be a sample or reservoir of aerosolizable material, which may include nicotine and nicotine-containing substances.

[0047] During use, a user may activate or cause activation of particular heating elements 232, 234, 236 such that particular portions 222, 224, 226 of the aerosol-generating material are heated to generate the aerosol. Thus, the user may select the contributing material to be heated to generate the aerosol, thereby providing a personalized aerosol. Thus, "personalized aerosol" is used herein to mean one that is selected by the user or at least tailored in some way to the user's desires.

[0048] In use, the heating elements 232, 234, 236 may be activated simultaneously or may be operated with a delay between operations. This may be used to allow a particular atmosphere of aerosol to be more or less prevalent throughout the aerosol or smoking session. In one example, a particular heating element 232 may heat a particular portion 222, such as the tobacco portion, at a first time to produce a tobacco aerosol for inhalation. This may be immediately followed by a different heating element 234 that heats the menthol portion 224 at a second time to follow the tobacco aerosol with menthol aerosol when the user desires to end the smoking session.

[0049] Various heating profiles can be applied to multiple portions 222, 224, 226 of aerosol-generating material to provide personalized aerosols. Complex combinations of profiles can be utilized to generate very specific combinations of blends and release times to provide highly personalized aerosols.

[0050] In one example, the first heating element 232 heats the first portion 222 of the aerosol-generating material for a first time period, and the second heating element 234 heats the second portion 224 of the aerosol-generating material for a second time period, where the first and second times are different. This allows for greater personalization of the aerosol. It also allows for aerosol generation in different atmospheres during a smoking session.

[0051] In one example, the first heating element 232 heats the first portion 222 of the aerosol-generating material at a first power level, and the second heating element 234 heats the second portion 224 of the aerosol-generating material at a second power level, where the first power level and the second power level are different power levels. This further allows for greater personalization of the generated aerosol. Because the aerosol emitted is related to the power at which the heater 230 operates, flavorings can be emitted at different times during a smoking session, leading to a level of control over the generation of different ambiances within the session, as described above.

[0052] The power level may relate to the power at which a particular heating element 232, 234, 236 is operated, the rate of heat delivery, or the temperature reached by the heater 230 during the heating phase.

[0053] In one example, system 200 further includes a control unit configured to receive commands related to aerosol generation and to control activation of specific heating elements 232, 234, 236 of heater 230 to generate the aerosol. Selective activation of heating elements 232, 234, 236 results in selective heating of portions 222, 224, 226 of the aerosol-generating material such that a personalized aerosol is generated.

[0054] Commands received by the control unit may be entered by a user via a user interface on the exterior of AP system 200. Commands may be received by the control unit via a wired or wireless interface, such that system 200 may be operated, for example, via Bluetooth or a LAN, or via a smartphone or other such device.

[0055] 4, system 200 further includes a movement system 240 configured to effect relative movement between consumable 202 and at least two of the plurality of heating elements 232, 234, 236. System 200 is configured such that at least two of the plurality of heating elements 232, 234, 236 move relative to consumable 202 to selectively heat at least two corresponding ones of the plurality of portions 222, 224, 226.

[0056] While the movement system 240 shown in FIG. 4 is shown connected to the heater 230, it may also be connected to the consumable 202. By moving the heater 230 or portions of the heater 230, the individual heating elements 232, 234, 236 can be closer to their corresponding portions 222, 224, 226 such that the heating elements 232, 234, 236 need to emit less heat energy to generate aerosol from the portions 222, 224, 226. This therefore provides a more energy-efficient system. Moving the consumable 202 instead has the added advantage of avoiding the need to move the heater 230, as the heater 230 may have a certain amount of electronics, etc., that could become dislodged. Moving the consumable 202 therefore reduces the likelihood of this undesirable event occurring.

[0057] The above paragraphs may relate to relative movement of consumable 202 and heater 230 in the direction indicated by arrow B. Movement system 240 may alternatively or additionally provide relative movement in the direction indicated by arrow A.

[0058] This allows the motion system 240 to align and reduce the distance between particular heating elements 232, 234, 236 and particular portions 222, 224, 226 (in the direction indicated by arrow B), allowing efficient heating of selected portions 222, 224, 226 by any heating element 232, 234, 236. It should be apparent that the motion system 240 need not be constrained to demonstrate relative motion only in orthogonal directions, as indicated by the arrows in FIG.

[0059] Before or during a smoking session, the heater 230 may be moved relative to the consumable 202 by the movement system 240. This ensures that the thermal energy transferred to the aerosol-generating material 220 on the carrier support 210 is transferred efficiently. By shortening the distance between the heater 230 and the article to be heated, the thermal energy is transferred more efficiently, and therefore, less energy is required to provide an aerosol. Similarly, in one example where the heater 230 may be part of an induction heating system including an induction coil and the consumable 202 includes a susceptor, reducing the distance between the heater 230 and the article to be heated increases inductive coupling between the induction coil and the susceptor. Because energy is transferred more efficiently, less energy is required to provide an aerosol. This reduces the amount of power sent through the heater 230 per smoking session, thus extending the life of the system 200. Furthermore, the heater 230 can be moved away from the consumable 202 after a smoking session. In this manner, the heater 230 is less likely to unintentionally heat the aerosol-generating material 220 during non-smoking periods. Thus, the consumables 202 are less likely to run out, resulting in a longer life for the consumables 202 and making the system 200 less expensive for the user to run.

[0060] In one example, the portions 222, 224, 226 of aerosol-generating material may be in the form of a gel and / or a solid. Unlike liquids, a gel or solid does not require an internal reservoir, thereby reducing the overall cost of the device by eliminating the need for additional components. In general, the lack of a reservoir requirement reduces the complexity of the system 200 presented herein.

[0061] In system 200, portions 222, 224, and 226 may be of different compositions. Portions 222, 224, and 226 may be either nicotine, glycerol, or acid. Other portions may have different flavorings. In one example, the nicotine portion is heated to provide nicotine to the aerosol, and the glycerol portion is heated accordingly to provide the desired cloud yield. Varying the heat applied to the acid portion changes the level of protonation of the nicotine (if the nicotine portion is also heated).

[0062] The nicotine moieties may include any of nicotine free base, nicotine benzoate, nicotine malate, nicotine pyruvate, and nicotine succinate. In a particular example, there may be 10 nicotine moieties, 5 glycerol moieties, and 4 acid moieties disposed on the carrier support 210.

[0063] By disposing multiple portions of aerosol-generating material 220 on one side of carrier support 210 and heater 230 on the other side of carrier support 210, the dispensed aerosol flows away from heater 230. This reduces the amount of aerosol that can condense on heater 230, thereby reducing damage to heater 230 and thus extending the overall lifespan of system 200. In instances where carrier support 210 has three or more sides, heater 230 may be disposed facing the side not containing aerosol-generating material 220 to achieve the aforementioned benefits.

[0064] The carrier support 210 of the consumable product 202 may be formed from paper or cellulose. The aerosol-generating material 220 may be arranged on the carrier support 210 in multiple rows. In a particular example, the aerosol-generating material 220 may be arranged in two rows of three to five gel or solid portions. The carrier support 210 may be in the form of a rectangle or any other suitable shape.

[0065] The number of sections 222, 224, 226 on the carrier support 210 may be optimized relative to the number of heating elements 232, 234, 236 in the heater 230. This may be done with the feasible range of movement provided for each heating element 232, 234, 236 by the movement mechanism 240. For example, if a particular heating element can be moved to provide heat to four sections, the heater 230 may include a number of heating elements 232, 234, 236 that is 1 / 4 the number of sections; more specifically, if there are 12 sections, the system 200 may have three heating elements 232, 234, 236 in the heater 230. Alternatively, the system 200 may have an equal number of sections 222, 224, 226 and heating elements 232, 234, 236 in the heater 230.

[0066] In some embodiments, the multiple heating elements 232, 234, 236 may alternatively be referred to as multiple heating zones 232, 234, 236. For example, in such embodiments, the heater 204 may include multiple zones 232, 234, 236 disposed on a single heating structure; in one example, the heater includes multiple heating structures, each heating structure including multiple heating zones. The multiple heating zones 232, 234, 236 may be heated by electrical resistance heating, induction heating, chemically activated heaters, or a combination thereof. The multiple heating zones 232, 234, 236 have similar characteristics to the multiple heating elements 232, 234, 236 described above; these characteristics will not be repeated here.

[0067] In some embodiments, the non-combustible aerosol delivery system is an electronic cigarette, also known as a vaping device or electronic nicotine delivery system (END), although it should be noted that the presence of nicotine in the aerosolizable material is not a requirement.

[0068] In some embodiments, the non-combustion aerosol delivery system is a tobacco heating system, also known as a non-combustion heating system.

[0069] In some embodiments, the non-combustible aerosol delivery system is a hybrid system that generates an aerosol using a combination of aerosolizable materials, one or more of which may be heated. Each of the aerosolizable materials may be, for example, in solid, liquid, or gel form and may or may not contain nicotine. In some embodiments, the hybrid system includes a liquid or gel aerosolizable material and a solid aerosolizable material. The solid aerosolizable material may include, for example, tobacco or a non-tobacco product.

[0070] Generally, a non-combustible aerosol delivery system may comprise a non-combustible aerosol delivery device and an article for use with the non-combustible aerosol delivery device. However, it is contemplated that an article that itself comprises means for powering an aerosol generating component may itself form a non-combustible aerosol delivery system.

[0071] In some embodiments, the non-flammable aerosol delivery device may include a power source and a controller. The power source may be, for example, an electrical power source.

[0072] In some embodiments, an article for use with a non-combustible aerosol delivery device may comprise an aerosolizable material, an aerosol-generating component, an aerosol-generating region, a mouthpiece, and / or a region for receiving the aerosolizable material.

[0073] In some embodiments, the aerosol-generating component is a heater that can interact with the aerosolizable material to release one or more volatile substances from the aerosolizable material to form an aerosol.

[0074] In some embodiments, the aerosolizable material comprises one or more polyhydric alcohols such as propylene glycol, triethylene glycol, 1,3-butanediol, and glycerin, esters of polyhydric alcohols such as glycerol mono-, di-, or triacetate, and / or aliphatic esters of mono-, di-, or polycarboxylic acids such as dimethyl dodecanoate and dimethyl tetradecanoate.

[0075] In some embodiments, the substance to be delivered may be an aerosolizable material. An aerosolizable material, sometimes referred to herein as an aerosol-generating material, is a material that can generate an aerosol when, for example, heated, irradiated, or energized in any other manner. The aerosolizable material may be in the form of a solid, liquid, or gel, which may or may not contain, for example, nicotine and / or flavorings. In some embodiments, the aerosolizable 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 dry gel. An amorphous solid is a solid material that may retain some fluid, such as a liquid, within it. In some embodiments, the aerosolizable material may comprise, for example, about 50%, 60%, or 70% amorphous solid by weight to about 90%, 95%, or 100% amorphous solid by weight.

[0076] In some embodiments, the amorphous solid comprises a hardening agent. In examples, the hardening agent comprises or consists of calcium acetate, calcium formate, calcium carbonate, calcium bicarbonate, calcium chloride, calcium lactate, or a combination thereof. In some examples, the hardening agent comprises or consists of calcium formate and / or calcium lactate. In particular examples, the hardening agent comprises or consists of calcium formate. It has generally been found that the use of calcium formate as a hardening agent results in amorphous solids with greater tensile strength and greater resistance to elongation.

[0077] The amorphous solid may include a colorant. The addition of a colorant may change the visual appearance of the amorphous solid. The presence of a colorant in the amorphous solid may enhance the visual appearance of the amorphous solid and the aerosolizable material. By adding a colorant to the amorphous solid, the amorphous solid can be color-matched to other components of the aerosolizable material or other components of an article containing the amorphous solid.

[0078] Various colorants can be used depending on the desired color of the amorphous solid. The color of the amorphous solid may be, for example, white, green, red, purple, blue, brown, or black. Other colors are also contemplated. Natural or synthetic colorants can be used, such as natural or synthetic dyes, food-grade colorants, and pharmaceutical-grade colorants. In certain embodiments, the colorant is caramel, which can give the amorphous solid a brown appearance. In such embodiments, the color of the amorphous solid can be similar to the color of other components (such as tobacco material) in the aerosolizable material comprising the amorphous solid. In some embodiments, the addition of a colorant to the amorphous solid makes the amorphous solid visually indistinguishable from other components in the aerosolizable material.

[0079] The colorant may be incorporated during the formation of the amorphous solid (e.g., when forming a slurry containing the materials that will form the amorphous solid) or may be applied to the amorphous solid after its formation (e.g., by spraying the colorant onto the amorphous solid).

[0080] In some embodiments, the gel may include a gelling agent, which may include one or more compounds selected from cellulosic gelling agents, non-cellulosic gelling agents, guar gum, acacia gum, and mixtures thereof.

[0081] In some embodiments, the cellulosic gelling agent is selected from the group consisting of hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose (CMC), hydroxypropyl methyl cellulose (HPMC), methyl cellulose, ethyl cellulose, cellulose acetate (CA), cellulose acetate butyrate (CAB), cellulose acetate propionate (CAP), and combinations thereof.

[0082] In some embodiments, the gelling agent comprises (or is) one or more of hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methylcellulose (HPMC), carboxymethyl cellulose, guar gum, or acacia gum.

[0083] In some embodiments, the gelling agent comprises (or is) one or more non-cellulosic gelling agents, including, but not limited to, agar, xanthan gum, gum arabic, guar gum, locust bean gum, pectin, carrageenan, starch, alginate, and combinations thereof. In preferred embodiments, the non-cellulosic gelling agent is alginate or agar.

[0084] The aerosolizable material may include an acid. The acid may be an organic acid. In some of these embodiments, the acid may be at least one of a monobasic acid, a dibasic acid, and a tribasic acid. In some such embodiments, the acid may include at least one carboxyl functional group. In some such embodiments, the acid may be at least one of an alpha-hydroxy acid, a carboxylic acid, a dicarboxylic acid, a tricarboxylic acid, and a keto acid. In some such embodiments, the acid may be an alpha-keto acid.

[0085] In some such embodiments, the acid may be at least one of succinic acid, lactic acid, benzoic acid, citric acid, tartaric acid, fumaric acid, levulinic acid, acetic acid, malic acid, formic acid, sorbic acid, benzoic acid, propanoic acid, and pyruvic acid.

[0086] Suitably, the acid is lactic acid. In other embodiments, the acid is benzoic acid. In other embodiments, the acid may be an inorganic acid. In some of these embodiments, the acid may be a mineral acid. In some such embodiments, the acid may be at least one of sulfuric acid, hydrochloric acid, boric acid, and phosphoric acid. In some embodiments, the acid is levulinic acid.

[0087] In certain embodiments, the aerosolizable material comprises a gelling agent comprising a cellulosic and / or non-cellulosic gelling agent, an active agent, and an acid.

[0088] In some embodiments, the aerosolizable material comprises one or more cannabinoid compounds selected from the group consisting of cannabidiol (CBD), tetrahydrocannabinol (THC), tetrahydrocannabinolic acid (THCA), cannabidiolic acid (CBDA), cannabinol (CBN), cannabigerol (CBG), cannabichromene (CBC), cannabicyclol (CBL), cannabivarin (CBV), tetrahydrocannabivarin (THCV), cannabidivarin (CBDV), cannabiclovarin (CBCV), cannabigerovarin (CBGV), cannabigerol monomethyl ether (CBGM), cannabielsoin (CBE), and cannabicitran (CBT).

[0089] The aerosolizable material may include one or more cannabinoid compounds selected from the group consisting of cannabidiol (CBD) and THC (tetrahydrocannabinol).

[0090] The aerosolizable material may include cannabidiol (CBD).

[0091] The aerosolizable material may include nicotine and cannabidiol (CBD).

[0092] The aerosolizable material may include nicotine, cannabidiol (CBD), and THC (tetrahydrocannabinol).

[0093] Aerosolizable materials can include one or more active ingredients, one or more carrier components, and optionally one or more other functional ingredients.

[0094] The active ingredient may include one or more physiologically and / or olfactorily active ingredients included in the aerosolizable material to achieve a physiological and / or olfactory response in the user. The active ingredient may be selected from, for example, dietary supplements, nootropics, and psychotropic drugs. The active ingredient may be naturally occurring or synthetically derived. The active ingredient may include, for example, nicotine, caffeine, taurine, or any other suitable ingredient. The active ingredient may include a tobacco or another plant component, derivative, or extract. In some embodiments, the active ingredient is a physiologically active ingredient and may be selected from nicotine, nicotine salts (e.g., nicotine ditartrate / nicotine tartrate), nicotine-free tobacco substitutes, and other alkaloids such as caffeine.

[0095] In some embodiments, the active ingredient is an olfactory-active ingredient and, where local regulations permit, may be selected from "flavors" and / or "flavorings" that may be used to create a desired taste, aroma, or other somatic sensation in products for adult consumers. In some cases, such ingredients may be referred to as flavors, flavorings, coolants, heat agents, or sweeteners. They may be naturally occurring flavor materials, botanicals, extracts of botanicals, synthetically derived materials, or combinations thereof (e.g., tobacco, cannabis, licorice, hydrangea, eugenol, Japanese white bark magnolia leaf, chamomile, fenugreek, clove, maple, matcha, menthol, Japanese mint, aniseed, cinnamon, turmeric, Indian spices, Asian spices, herbs, wintergreen, cherry, berries). , red berries, cranberries, peaches, apples, oranges, mangoes, clementines, lemons, limes, tropical fruits, papaya, rhubarb, grapes, durian, dragon fruit, cucumbers, blueberries, mulberries, citrus fruits, drumsticks, 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, bell pepper, ginger, coriander, coffee, hemp, mint oil of any species of mint, eucalyptus, star anise, cocoa, lemongrass, rooibos, flax, ginkgo biloba, hazel, hazel Ibiscus, laurel, mate, orange skin, rose, teas such as green tea and black tea, thyme, juniper, elderflower, basil, bay leaf, cumin, oregano, paprika, rosemary, saffron, lemon peel, mint, beefsteak plant, curcuma, cilantro, myrtle, black currant, valerian, pimento, mace, damien, marjoram, olive, lemon balm, lemon basil, chives, ribs, verbena, tarragon, limonene, thymol,camphene), flavor enhancers, bitter taste receptor site blockers, sensory receptor site activators or stimulants, sugars and / or sugar substitutes (e.g., sucralose, acesulfame potassium, aspartame, saccharin, cyclamate, lactose, sucrose, glucose, fructose, sorbitol, or mannitol), and other additives such as charcoal, chlorophyll, minerals, botanicals, or breath fresheners, which may be mimics, synthetic, or natural ingredients, or blends thereof. They may be in any suitable form, for example, liquids such as oils, solids such as powders, or gasons or more of extracts (e.g., licorice, hydrangea, Japanese white bark magnolia leaves, chamomile, fenugreek, clove, menthol, Japanese mint, aniseed, cinnamon, herbs, wintergreen, cherry, berry, peach, apple, drambuie, bourbon, scotch, whiskey, spearmint, peppermint, lavender, cardamom, celery, cascarilla, nutmeg, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil). The additives may be selected from the group consisting of: cassia, caraway, cognac, jasmine, ylang-ylang, sage, fennel, bell pepper, ginger, anise, coriander, coffee, or mint oils of any species of the mint genus), flavor enhancers, bitter taste receptor site blockers, sensory receptor site activators or stimulants, sugars and / or sugar substitutes (e.g., sucralose, acesulfame potassium, aspartame, saccharin, cyclamate, lactose, sucrose, glucose, fructose, sorbitol, or mannitol), and additives such as charcoal, chlorophyll, minerals, botanicals, or breath fresheners. They may be mimics, synthetic or natural ingredients, or blends thereof. They may be in any suitable form, such as oil, liquid, or powder.

[0096] In some embodiments, the flavoring agent includes menthol, spearmint, and / or peppermint. In some embodiments, the flavoring agent includes cucumber, blueberry, citrus fruit, and / or red berry flavoring ingredients. In some embodiments, the flavoring agent includes eugenol. In some embodiments, the flavoring agent includes a flavoring agent extracted from tobacco. In some embodiments, the flavoring agent may include a sensory agent aimed at achieving somatic sensations that are typically chemically evoked and perceived by stimulation of the fifth cranial nerve (trigeminal nerve) in addition to or instead of the olfactory or gustatory nerves, and these may include agents that provide heating, cooling, tingling, or numbing effects. A suitable thermal agent may be, but is not limited to, vanillyl ethyl ether, and a suitable cooling agent may be, but is not limited to, eucalyptol, WS-3, etc.

[0097] The carrier component may include one or more components capable of forming an aerosol. In some embodiments, the carrier component may include one or more of glycerin, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso-erythritol, ethyl vanillate, ethyl laurate, diethyl suberate, triethyl citrate, triacetin, diacetin mixtures, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.

[0098] The one or more other functional ingredients may include one or more pH adjusters, colorants, preservatives, binders, fillers, stabilizers, and / or antioxidants.

[0099] In some embodiments, an article for use with a non-burning aerosol delivery device may comprise an aerosolizable material or a region for receiving an aerosolizable material. In some embodiments, an article for use with a non-burning aerosol delivery device may comprise a mouthpiece. The region for receiving an aerosolizable material may be a storage region for storing the aerosolizable material. For example, the storage region may be a reservoir. In some embodiments, the region for receiving an aerosolizable material may be separate from or combined with the aerosol-generation region.

[0100] As noted above, portions may be of different sizes to account for different consumption rates of the aerosol-forming materials, or multiple portions may contain the same material. Thus, for example, there may be a larger or greater portion of glycol and / or tobacco than any other individual flavoring or ingredient.

[0101] Optionally, large amounts of material can be placed at predetermined locations on the carrier support to match larger and / or more diffuse heating units in large quantities, or units designed to work in concert on multiple portions of the same material.

[0102] It will be appreciated that the above approach can provide a wide range of different aerosol compositions by controlling the amount and optionally the timing of production of each aerosol component.

[0103] Further, optionally, different consumables (100, 202) may be provided containing different components for mixing, e.g., from the list above, it being understood that in this case, applying the same heating pattern to different consumables may produce different aerosol mixtures, not all of which are desirable, and therefore, optionally, the composition of the current consumables must be communicated to the control unit responsible for heating so that an appropriate mixture can be produced.

[0104] Thus, in embodiments of the present invention, the composition of a portion on a given consumable can be obtained using either the aerosol delivery (AP) system itself or, typically, a mobile phone in communication with the AP system. For example, the consumable or its packaging may be provided with a name or code that can be entered into the AP system or phone to identify it, or may be provided with a marker (such as a QR code) that can be used in combination with the phone's (or AP system's) camera to identify it. Other methods are also contemplated, such as an RFID tag in the consumable that is read by the AP system, or any other passive or active identification scheme suitable for indicating the type of consumable being used.

[0105] Once identified, the composition of the consumable portions can be retrieved from either local or remote storage, along with any other configuration information regarding, for example, pre-set mixtures, vaporization temperatures of different portion materials, and / or any restrictions or correlations between portions (e.g., to avoid undesirable mixtures).

[0106] The user may then be presented with a user interface on the AP system or phone that, for example, provides access to pre-set mixtures or allows the user to dial up or down the levels and optionally timing of one or more components of the aerosol that correspond to their respective portions on the consumable, and in the case of the phone, can then relay the settings to a controller in the AP system or provide direct control via wireless signals.

[0107] Thus, an aerosol delivery (AP) system has been described, comprising: a consumable for the AP system, the consumable comprising a carrier support and a plurality of portions of aerosol-generating material disposed on the carrier support; and a heater comprising a plurality of heating elements, each heating element corresponding to one portion of the plurality of portions of aerosol-generating material disposed on the carrier support, wherein, during use, the heater is configured to controllably heat at least two of the plurality of portions of aerosol-generating material to generate a personalized aerosol for inhalation.

[0108] The aerosol (or vapor) delivery system can be used in tobacco industry products, for example, in non-combustible aerosol delivery systems.

[0109] In one embodiment, the tobacco industry product comprises one or more components of a non-combustible aerosol delivery system, such as a heater and an aerosolizable substrate.

[0110] In one embodiment, the aerosol delivery system is an e-cigarette, also known as a vaping device.

[0111] In one embodiment, an electronic cigarette comprises a heater, a power source capable of powering the heater, an aerosolizable substrate such as a gel or solid, a housing, and optionally a mouthpiece.

[0112] In one embodiment, the aerosolizable substrate is contained in or on a substrate container, hi one embodiment, the substrate container is combined with or includes a heater.

[0113] In one embodiment, the tobacco industry product is a heating product that releases one or more compounds by heating, but not burning, a substrate material. The substrate material is an aerosolizable material that may be, for example, tobacco or other non-tobacco products that may or may not contain nicotine. In one embodiment, the heating device product is a tobacco heating product.

[0114] In one embodiment, the heating product is an electronic device.

[0115] In one embodiment, the tobacco heating product comprises a heater, a power source capable of powering the heater, and an aerosolizable substrate, such as a solid or gel material.

[0116] In one embodiment, the heating product is a non-electronic item.

[0117] In one embodiment, the heating product comprises an aerosolizable substrate, such as a solid or gel material, and a heat source capable of providing thermal energy to the aerosolizable substrate without any electronic means, for example by burning a combustible material, such as charcoal.

[0118] In one embodiment, the heating product also includes a filter capable of filtering the aerosol generated by heating the aerosolizable substrate.

[0119] In some embodiments, the aerosolizable substrate material may include a vapor or aerosol generating agent or a humectant such as glycerol, propylene glycol, triacetin, or diethylene glycol.

[0120] In one embodiment, the tobacco industry product is a hybrid system that generates an aerosol by heating, but not burning, a combination of substrate materials. The substrate materials may include, for example, solids, liquids, or gels, which may or may not contain nicotine. In one embodiment, the hybrid system comprises a liquid or gel substrate and a solid substrate. The solid substrate may be, for example, tobacco or other non-tobacco products, which may or may not contain nicotine. In one embodiment, the hybrid system comprises a liquid or gel substrate and tobacco.

[0121] In one embodiment, a system is provided comprising an AP system according to any of the embodiments described herein, together with substrate identification means comprising an input mechanism (such as a user input or a camera, as previously described herein) operable to receive an identifier corresponding to a substrate type, morphology acquisition means (such as local memory or communication means for accessing remote memory in an associated telephone or network storage) operable to acquire data indicative of the morphology of the plurality of portions of aerosol-generating material on the identified substrate type, and control setting means (such as an AP system control unit or CPU of an associated mobile phone) operable to modify the heating control of at least two of the plurality of portions of aerosol-generating material in accordance with the indicated morphology of the substrate.

[0122] The AP system itself may comprise the substrate identification means, or the mobile phone may comprise the substrate identification means, while the AP system may comprise wireless communication means (such as Bluetooth) operable to communicate with the mobile phone.

[0123] To address various problems and advance the art, this entire disclosure illustrates, by way of example, various embodiments in which the claimed invention(s) may be implemented to provide a superior electronic vapor delivery system. The advantages and features of the present disclosure are only a representative sample of embodiments and are not exhaustive and / or exclusive. They are presented solely to aid in the understanding and teaching of the claimed features. The advantages, embodiments, examples, functions, features, structures, and / or other aspects of the present disclosure should not be considered limitations of the disclosure as defined by the limitations of the claims or their equivalents, and it should be understood that other embodiments may be utilized and changes may be made without departing from the scope and / or spirit of the present disclosure. Various embodiments may suitably comprise, consist of, or consist essentially of various combinations of the disclosed elements, components, features, parts, steps, means, etc. Furthermore, the present disclosure includes other inventions not currently claimed but which may be claimed in the future.

Claims

1. 1. An aerosol delivery system comprising: a consumable for the aerosol delivery system comprising a plurality of regions of aerosol-generating material; a heater including a plurality of heating elements, each heating element corresponding to one of the plurality of regions of the aerosol-forming material; and Equipped with and wherein, in use, the heater is configured to controllably heat at least two of the plurality of regions of the aerosol-generating material to generate a personalized aerosol for inhalation. Aerosol delivery system.

2. 1. An aerosol delivery system comprising: a consumable for the aerosol delivery system, a carrier support; a plurality of portions of aerosol-forming material disposed on the carrier support; a consumable; a heater including a plurality of heating elements, each heating element corresponding to one of the portions of the aerosol-forming material disposed on the carrier support; and Equipped with and wherein, in use, the heater is configured to controllably heat at least two of the portions of the aerosol-forming material to generate a personalized aerosol for inhalation. Aerosol delivery system.

3. 3. The aerosol delivery system of claim 2, wherein a first heating element heats a first portion of the aerosol-forming material for a first time period and a second heating element heats a second portion of the aerosol-forming material for a second time period, the first time period and the second time period being different.

4. 4. The aerosol delivery system of claim 2, wherein a first heating element heats a first portion of the aerosol-generating material at a first power level and a second heating element heats a second portion of the aerosol-generating material at a second power level, the first power level and the second power level being different power levels.

5. 5. The aerosol delivery system of claim 2, further comprising a control unit configured to receive commands related to the generation of an aerosol and to control activation of specific heating elements of the heater to generate the aerosol.

6. a movement system configured to effect relative movement between the consumable and at least two of the plurality of heating elements; 6. The aerosol delivery system of claim 2, wherein the system is configured such that at least two of the plurality of heating elements move relative to the consumable to selectively heat at least two corresponding portions of the plurality of portions.

7. The aerosol delivery system of claim 6 , wherein the motion system is configured to provide motion relative to the consumable.

8. 8. The aerosol delivery system of claim 6 or 7, wherein the heater is moved relative to the consumable by the movement system to selectively heat at least two of the plurality of portions before or during an inhalation session.

9. 9. The aerosol delivery system of claim 2, wherein the portions of the aerosol-forming material are in the form of at least one of a gel and a solid.

10. 10. The aerosol delivery system of claim 2, wherein the portions of the aerosol-forming material are on one side of the carrier support and the heater faces a different side of the carrier support.

11. 11. The aerosol delivery system of any one of claims 2 to 10, wherein the carrier support is formed from at least one of paper or cellulose.

12. 12. The aerosol delivery system of claim 2, wherein the carrier support is substantially rectangular in shape and the portions of aerosol-forming material are arranged in rows.

13. an aerosol delivery system according to any one of claims 1 to 12; A substrate identification means, an input mechanism operable to receive an identifier corresponding to a board type; morphology acquisition means operable to acquire data indicative of the morphology of the plurality of regions of the aerosol-generating material on the identified substrate type; control setting means operable to vary the heating control of at least two of the plurality of regions of the aerosol-generating material in response to an indicated configuration of the substrate; a substrate identification means comprising: A system comprising:

14. a mobile phone comprising the board identification means; the aerosol delivery system comprising wireless communication means operable to communicate with the mobile phone; The system of claim 13.

15. 1. A consumable for use in an aerosol delivery system, comprising: a plurality of regions of aerosol-generating material; the plurality of regions of the aerosol-forming material are arranged in a series of rows; the aerosol-forming material comprises at least one of a gel and a solid; consumables.

16. 1. A consumable for use in an aerosol delivery system, comprising: a carrier support; a plurality of portions of aerosol-forming material; Equipped with the plurality of portions of the aerosol-forming material are disposed in a series of rows on the carrier support; the aerosol-forming material comprises at least one of a gel and a solid; consumables.

17. The consumable of claim 16 , wherein the portions of the aerosol-forming material are disposed on one side of the carrier support.

18. 1. A method of delivering an aerosol, comprising: providing a heater comprising a plurality of heating elements; providing a consumable comprising a plurality of regions of aerosol-generating material; heating at least two of the plurality of regions of the aerosol-generating material to generate a personalized aerosol; Including, the aerosol-forming material comprises at least one of a gel and a solid; method.

19. 20. The method of claim 18, further comprising moving at least one heating element of the heater relative to the consumable before heating at least one of the portions of the aerosol-forming material.

20. the method further comprising heating at least some of a plurality of heating elements to generate personalized aerosols from corresponding ones of the plurality of regions of the aerosol-generating material; 20. The method of claim 18 or 19, wherein each of the plurality of regions of aerosol-forming material has a corresponding heating element in the plurality of heaters.

21. 1. An aerosol delivery system comprising: a consumable for the aerosol delivery system comprising a plurality of regions of aerosol-generating material; a heating means comprising a plurality of heating elements, each heating element corresponding to one of the plurality of regions of the aerosol-forming material; and Equipped with wherein the heating means is configured, in use, to controllably heat at least two of the plurality of regions of the aerosol-generating material to generate a personalized aerosol for inhalation. Aerosol delivery system.

22. 1. An aerosol delivery system comprising: a consumable for the aerosol delivery system comprising a plurality of portions of aerosol-generating material; a heater comprising a plurality of heating zones, each heating zone corresponding to one of the portions of the aerosol-forming material; Equipped with wherein the heater is configured, in use, to controllably heat at least two of the portions of the aerosol-forming material to generate a personalized aerosol for inhalation. Aerosol delivery system.

23. 23. The aerosol delivery system of claim 22, wherein the multiple heating zones are provided on a single heating structure.

24. 23. The aerosol delivery system of claim 22, wherein the heater comprises at least one heating structure, each heating structure comprising a plurality of heating zones.

25. 1. A method of delivering an aerosol, comprising: providing a heater having multiple heating zones; providing a consumable comprising a plurality of regions of aerosol-generating material; heating at least two of the plurality of regions of the aerosol-generating material to generate a personalized aerosol; A method comprising:

26. 26. The method of claim 25, wherein the multiple heating zones are provided on a single heating structure.

27. 26. The method of claim 25, wherein the heater comprises at least one heating structure, each heating structure comprising multiple heating zones.

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