CN116419685A - Aerosol generating device, related components and control method - Google Patents
Aerosol generating device, related components and control method Download PDFInfo
- Publication number
- CN116419685A CN116419685A CN202180075213.9A CN202180075213A CN116419685A CN 116419685 A CN116419685 A CN 116419685A CN 202180075213 A CN202180075213 A CN 202180075213A CN 116419685 A CN116419685 A CN 116419685A
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- heating
- tobacco product
- aerosol
- generating device
- vaporizable material
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- 239000000443 aerosol Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 227
- 235000019505 tobacco product Nutrition 0.000 claims abstract description 147
- 239000000463 material Substances 0.000 claims abstract description 110
- 230000004913 activation Effects 0.000 claims abstract description 66
- 230000003213 activating effect Effects 0.000 claims description 15
- 230000000391 smoking effect Effects 0.000 claims description 14
- 235000019504 cigarettes Nutrition 0.000 claims description 8
- 241000208125 Nicotiana Species 0.000 claims description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000000796 flavoring agent Substances 0.000 description 6
- 235000019634 flavors Nutrition 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229960002715 nicotine Drugs 0.000 description 3
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 2
- CBOQJANXLMLOSS-UHFFFAOYSA-N ethyl vanillin Chemical compound CCOC1=CC(C=O)=CC=C1O CBOQJANXLMLOSS-UHFFFAOYSA-N 0.000 description 2
- 230000037406 food intake Effects 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- MLFHJEHSLIIPHL-UHFFFAOYSA-N isoamyl acetate Chemical compound CC(C)CCOC(C)=O MLFHJEHSLIIPHL-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 description 1
- 240000008790 Musa x paradisiaca Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 244000290333 Vanilla fragrans Species 0.000 description 1
- 235000009499 Vanilla fragrans Nutrition 0.000 description 1
- 235000012036 Vanilla tahitensis Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229960001948 caffeine Drugs 0.000 description 1
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940073505 ethyl vanillin Drugs 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229940117955 isoamyl acetate Drugs 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- 230000008016 vaporization Effects 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/48—Fluid transfer means, e.g. pumps
- A24F40/485—Valves; Apertures
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/57—Temperature control
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
Abstract
The invention relates to an aerosol-generating device (10), comprising: a vaporizable material storage portion (24); a tobacco product slot (26); a flow channel (28) extending between the flow inlet and the flow outlet (28 a,28 b) and defining a vaporizable material channel portion (28C) through the reservoir portion and a slot channel portion (28D) through the slot; a heating system for heating vaporisable material and tobacco product (14) to form a mixed aerosol, the heating system comprising a vaporisable material heater (46) and a tobacco product heater (48) surrounding a tobacco product receiving aperture (42) and integrated into or adjacent a defining wall (40) defining the aperture; wherein the tobacco product heater comprises heating sections (51 to 55) arranged along the aperture. The aerosol-generating device comprises a control unit (32) for controlling the activation of the heating section according to a predetermined heating profile during the inhalation session.
Description
Technical Field
The present invention relates to an aerosol generating device.
The invention also relates to an aerosol-generating assembly comprising such a device and to a control method for controlling such a device.
Background
Different types of aerosol generating devices are known in the art. Typically, such devices include a storage portion for storing vaporizable material, which may include, for example, a liquid or a solid. The heating system is formed by one or more electrically activated resistive heating elements arranged to heat the vaporisable material to produce an aerosol. The aerosol is released into a flow path extending between an inlet and an outlet of the device. The outlet may be arranged as a mouthpiece through which a user inhales for delivering the aerosol.
Some aerosol-generating devices also include a component adapted to receive a tobacco product (e.g., a cigarette). In this case, these devices are generally suitable for heating tobacco products without burning the tobacco products, and therefore they are generally referred to as "heating without burning" devices. Some of these devices may include additional heaters for heating the tobacco product. This allows the tobacco product to be heated separately from the vaporisable material. An aerosol formed from the vaporisable material may be released into a flow path through the tobacco product where the aerosol mixes with the aerosol formed from the tobacco product to form a mixed aerosol at the outlet of the device.
However, it has been observed that the manner in which the vaporisable material and the tobacco product are heated strongly influences the flavour of the resultant mixed aerosol. In existing devices, such heating is not optimal and thus the flavor of the mixed aerosol can still be improved.
Disclosure of Invention
It is an object of the present invention to provide an aerosol-generating device having a heating system adapted to heat tobacco products in an optimal manner without burning the tobacco products, thereby delivering a mixed aerosol with a better flavor.
To this end, the invention relates to an aerosol-generating device comprising:
-a vaporizable material storing portion for storing vaporizable material;
-a tobacco product slot configured to receive tobacco;
-a flow channel extending between a flow inlet and a flow outlet, the flow channel defining a vaporizable material channel portion through the vaporizable material storage portion and a slot channel portion through the tobacco product; and
-a heating system configured to heat vaporisable material and tobacco product to form a mixed aerosol in the flow channel, the heating system comprising a vaporisable material heater for heating vaporisable material and a tobacco product heater for heating tobacco product, the tobacco product heater surrounding the tobacco product receiving aperture and being integrated into or adjacent to a defining wall defining the product receiving aperture;
wherein the tobacco product heater further comprises a sequence of heating sections arranged along the tobacco product receiving aperture;
wherein the aerosol-generating device comprises a control unit configured to control the activation of the heating sections according to a predetermined heating profile during the inhalation session.
The use of a sequence of heating zones and a control unit configured to control the activation of the heating zones according to a predetermined curve during a smoking session makes it possible to heat different portions of the tobacco product at different moments in time of the smoking session. Thus, during the smoking session, the amount of tobacco product aerosol may be gradually generated from the tobacco product. This allows a gradual generation of tobacco product aerosols during the smoking session, resulting in a mixed aerosol with better flavor. Using the predetermined heating profile, it is possible, for example, to extract at least some of the ingredients from the tobacco product uniformly during all of the smoking sessions, or conversely, to extract some of the ingredients in a non-uniform manner to provide a particular flavor change during the smoking session. Different heating profiles may also be provided, which may be selected by the user to alter the flavour of the aerosol obtained.
According to some embodiments, the predetermined heating profile comprises an activation time interval for each heating section, each time interval comprising a start time and a stop time, the start time being different and/or the stop time being different and/or the duration of the time interval being different for at least two heating sections.
According to some embodiments, the aerosol-generating device extends along a device axis along which the vaporizable material storage portion and the tobacco product groove are arranged one after the other, or along an axis perpendicular to the device axis.
According to some embodiments, the flow channel extends from the flow inlet to the flow outlet according to a channel direction, the vaporizable material channel part and the tobacco product channel part being arranged one after the other following the channel direction.
Because of these features, aerosols generated from the vaporizable material can pass through the tobacco product to form a mixed aerosol.
According to some embodiments, the flow channel comprises a bypass section connecting the flow inlet directly to the trough channel portion.
Because of these features, more air can be injected into the slot passage portion.
According to some embodiments, the dimensions of the tobacco product receiving aperture are adapted to retain the tobacco product within the aperture, the length of the tobacco product receiving aperture preferably being less than the length of the tobacco product such that when the tobacco product is inserted into the tobacco product receiving aperture, the mouth portion of the tobacco product protrudes from the tobacco product slot.
Because of these features, the use of the aerosol generating device is thus convenient for the user.
According to some embodiments, the tobacco product heater is configured to heat the tobacco product at a first temperature, and the vaporizable material heater is configured to heat vaporizable material at a second temperature, the first temperature being different from the second temperature, the first temperature preferably being below 400 ℃ and preferably between 200 ℃ and 399 ℃.
The first temperature below 400 ℃ may avoid combustion of the tobacco product.
According to some embodiments, each heating section is configured to activate independently of the other.
Due to these features, the heating section may follow a predetermined heating curve.
According to some embodiments, the predetermined heating profile defines for each heating zone an activation time interval within the suction session in which the heating zone is to be activated.
According to some embodiments, the heating sections are configured to activate sequentially from the first heating section according to the heating profile.
Due to these features, activating these heating sections sequentially starting from the first heating section can provide progressive and regular heating of the tobacco product. Thus, there may be sufficient tobacco product aerosol generated from the tobacco product in the mixed aerosol generated throughout the smoking session.
According to some embodiments, the activation time intervals of two consecutive heating zones within the suction session partially overlap the overlap interval.
Thanks to these features, continuous heating of the tobacco product is provided during the smoking session.
According to some embodiments, the duration of the or each overlap interval is between 5% and 50% of the duration of the activation time interval of the respective one of the two consecutive heating zones, preferably the duration of the or each overlap interval is between 25% and 40% of the duration of the activation time interval of the respective one of the two consecutive heating zones, and advantageously the duration of the or each overlap interval is equal to 1/3 of the duration of the activation time interval of the respective one of the two consecutive heating zones.
Due to these features, the aerosol-generating device does not overheat the tobacco product during the smoking session. Furthermore, due to these features, a saving in battery consumption is achieved.
According to some embodiments, the heating section sequence comprises at least a first heating section, a second heating section and a third heating section arranged successively in this order, the activation time interval of the first heating section and the activation time interval of the second heating section partially overlap a first overlap interval, and the activation time interval of the second heating section and the activation time interval of the third heating section partially overlap a second overlap interval, the first overlap interval being different from the second overlap interval.
Due to these features, the aerosol-generating device does not overheat the tobacco product during the smoking session.
According to some embodiments, each activation time interval has a duration between 80 seconds and 100 seconds.
Such a period of 80 seconds to 100 seconds ensures that the optimum amount of aerosol is extracted from the tobacco product portion.
The invention also relates to an aerosol-generating assembly comprising an aerosol-generating device as described above, a vaporisable material and a tobacco product.
According to some embodiments, the tobacco product is a rod or capsule comprising tobacco or a ready-made cigarette.
The invention also relates to a control method for controlling an aerosol-generating device as described above, the control method comprising the step of activating a sequence of heating sections according to a predetermined heating profile.
According to some embodiments, the predetermined heating profile defines for each heating zone an activation time interval within an inhalation session in which said heating zone is to be activated, and according to the heating profile, the heating zones are configured to be activated sequentially starting from the first heating zone;
wherein activating the sequence of heating sections comprises activating the sequence of heating sections sequentially from a first heating section according to the predetermined heating profile.
Drawings
The invention and its advantages will be better understood upon reading the following description, given by way of non-limiting example only, and made with reference to the accompanying drawings in which:
fig. 1 is a schematic view of an aerosol-generating assembly according to a first embodiment of the invention;
figure 2 shows an example of a heating profile for heating a tobacco product using the aerosol-generating assembly of figure 1; and
fig. 3 is a schematic view of an aerosol-generating assembly according to a second embodiment of the invention.
Detailed Description
Before the present invention is described, it is to be understood that this invention is not limited in its application to the details of construction set forth in the following description. It will be apparent to those skilled in the art having the benefit of this disclosure that the present invention is capable of other embodiments and of being practiced or of being carried out in various ways.
As used herein, the term "aerosol-generating device" or "device" may include an inhalation device that delivers to a user a mixed aerosol generated from a vaporizable material and a tobacco product received into the device. The device may be portable. "portable" may mean that the device is intended for use while held by a user. The device may be adapted to produce a variable amount of mixed aerosol, for example by activating the heating system for a variable amount of time (as opposed to a metered dose of aerosol) using a trigger. The trigger may be user-activated, such as a suction button and/or a suction sensor. The inhalation sensor may be sensitive to inhalation intensity and inhalation duration to enable a variable amount of vapour to be provided (thereby simulating the effect of smoking a conventional combustible smoking article such as a cigarette, cigar or pipe etc.).
As used herein, the term "control unit" refers to a component of an aerosol-generating device and which may control the operation of the heating system. The control unit may comprise a temperature adjustment control for driving the temperature of the heating system and/or the heating of the vaporisable material and/or the heating of the tobacco product to a specified target temperature and then maintaining the temperature at a target temperature effective to produce the mixed aerosol.
As used herein, the term "mobile device" may refer to a device that is capable of establishing a data connection with an aerosol-generating device. Advantageously, the mobile device is also able to establish a connection with a remote server via, for example, a global computer network such as the internet. In some cases, the mobile device may upload data to an associated aerosol generating apparatus. The mobile device comprises human-machine interaction means, such as a touch screen or a screen associated with the control means, to allow the user to communicate with the remote server and the aerosol-generating means. Thus, the mobile device may be a smart phone, a laptop, a personal computer, a tablet, a smart watch, or all other connected devices.
As used herein, the term "vaporizable material" or "precursor" or "aerosol-forming substance" or "substance" is used to designate any material that can be vaporized in air to form an aerosol. Vaporization is typically achieved by increasing the temperature to the boiling point of the vaporizable material (e.g., at a temperature below 400 c, preferably up to 350 c). The vaporizable material may comprise or consist of, for example, an aerosol-generating liquid, gel, wax, foam, or the like, an aerosol-generating solid, which may be in the form of a rod comprising a treated tobacco material, a crimped sheet, or an oriented reconstituted tobacco Rod (RTB), or any combination thereof. The vaporizable material may comprise one or more of the following: nicotine, caffeine or other active ingredients. The active ingredient may be carried by a carrier, which may be a liquid. The carrier may comprise propylene glycol or glycerol. A fragrance may also be present. The fragrance may include ethyl vanillin (vanilla), menthol, isoamyl acetate (banana oil) or the like.
As used herein, the term "tobacco product" may refer to a consumable product, and may be a capsule, stick, or ready-made cigarette containing ingredients such as nicotine and/or other substances. The tobacco product may be a solid. The target moisture of such tobacco products is about 12%, more or less than 0.5%. Preferably, such tobacco products do not contain any plant glycerol.
As used herein, the term "ready-made cigarette" may refer to a cylindrical element that includes components such as nicotine and/or other substances rolled into tissue. The ready-made cigarette may include a filter. The ready-made cigarettes may have a length of between 69mm and 100mm and a diameter of between 5mm and 8 mm.
As used herein, the term "aerosol" may include a suspension of precursors, one or more of the following: solid particles; a droplet; and (3) gas. The suspension may be in a gas comprising air. An aerosol herein may generally refer to/include a vapor. The aerosol may be formed from a vaporisable material or a tobacco product and may include one or more components thereof.
As used herein, the term "mixed aerosol" may refer to an aerosol composed of at least two components. The first component corresponds to an aerosol formed from vaporizable material and is hereinafter denoted as "vaporizable material aerosol". The second component corresponds to an aerosol formed from a tobacco product and is hereinafter denoted as "tobacco product aerosol". In other words, a mixed aerosol is a mixture of aerosols formed from a vaporizable material and a tobacco product.
As used herein, the term "inhalation session" may refer to a period of use of the aerosol-generating device from the start of activation of the trigger described above to the moment the aerosol-generating device is disabled.
First embodiment of the invention
An aerosol-generating assembly 8 according to a first embodiment of the invention is shown in fig. 1. In the example of fig. 1, the aerosol-generating assembly 8 comprises an aerosol-generating device 10, vaporisable material disposed in a replaceable cartridge 12 (also referred to as a "cartridge 12"), and a tobacco product 14.
The aerosol-generating device 10 extends along an axis X, which is hereinafter referred to as "device axis X". In the following description, the term "length" refers to the dimension of the elements in the aerosol-generating assembly 8 measured along the device axis X. The aerosol generating device 10 comprises an outer housing 16 and an inner component arranged in the outer housing 16.
The outer housing 16 defines an interior volume 18 and includes a side surface 20 extending along the device axis X. The side surface 20 may be made of a single piece, for example of a metallic material. The side surfaces 20 may be made of a smooth material.
The internal components include a battery 22 for powering the device 10, a vaporizable material storage portion 24, a tobacco product chute 26, a flow channel 28, a heating system, and a control unit 32. In a specific example of the first embodiment, the vaporizable material storage portion 24 and the tobacco product slot 26 are arranged sequentially along the device axis X. The aerosol generating device 10 may also include other components that perform different functions of the device 10. These other components are known per se and will therefore not be explained in further detail below.
The battery 22 is, for example, a known battery that is designed to be charged using an electric power supply provided by an external charger and to supply a direct current having a predetermined voltage.
The vaporizable material storage portion 24 is a portion of the interior volume 18 that is designed to store vaporizable material. In particular, the vaporizable material storage portion 24 may be configured to store vaporizable material in a liquid and/or solid form based on the properties of the vaporizable material. The vaporizable material storage portion 24 may form a vaporizable storage canister adapted to directly contain vaporizable material or to contain a replaceable cartridge that may be removed from this portion 24 through, for example, an opening formed in the side surface 20. In the first case, the vaporizable material storage portion 24 may be refilled with vaporizable material. In the second case, the vaporizable material storage portion 24 may house a replaceable cartridge (e.g., a pod or capsule containing electronic liquid) that may be removed and replaced with another cartridge when the vaporizable material is no longer available. In some embodiments, the replaceable cartridge may also be refilled with vaporizable material.
More specifically, the cartridge includes a vaporizable material compartment capable of storing vaporizable material and at least one heater capable of heating the vaporizable material to produce an aerosol of vaporizable material of a mixed aerosol. The heater of the cartridge may be electrically connected to the battery 22 of the device 10 through a pair of contacts arranged in both the cartridge and the heating system of the device 10. The cartridge may further define a flow path, hereinafter referred to as a "cartridge path". In the example shown in fig. 1, the replaceable cartridge 12 housed in the vaporizable material storage portion 24 defines a vaporizable material compartment 34 and a cartridge passageway 36, and includes a pair of contacts 38, referred to as cartridge contacts 38. According to other embodiments of the invention, the heater of the cartridge may be formed from a plate, for example a metal plate, intended to be in contact with a corresponding plate of the device 10. In this case, the vaporizable material is heated by heat transfer between the plates.
The tobacco product slot 26 is configured to receive a tobacco product 14. The tobacco product slot 26 includes a defining wall 40 that defines a tobacco product receiving aperture 42. The tobacco product receiving aperture 42 opens out of the aerosol-generating device 10 through an opening 44 defining the end of the aerosol-generating device 10 opposite the battery 22 along the device 10 axis X. The tobacco product receiving aperture 42 is adapted to retain the tobacco product 14 within such aperture 42. In particular, the inner diameter of the tobacco product receiving aperture 42 has dimensions suitable for retaining the tobacco product 14 within this aperture 42. Further, the length of the tobacco product receiving aperture 42 is less than the length of the tobacco product 14 such that when the tobacco product 14 is inserted into the tobacco product as shown in fig. 1, the mouth portion 14A of the tobacco product 14 protrudes from the tobacco product receiving aperture 42. In a variant, the tobacco product 14 is fully received into the tobacco product receiving aperture 42. In this case, the device 10 may also comprise a separate mouthpiece intended to cover the respective end of the tobacco product when received in the aperture 42. In the particular example shown in fig. 1, the tobacco product 14 is a rod having a cylindrical shape. The rod may have a length of between 69mm and 100mm and a diameter of between 5mm and 8 mm. As a variant, the tobacco product 14 may have a different shape.
The flow channel 28 extends between at least one flow inlet 28A and at least one flow outlet 28B and is capable of directing air and/or a vaporizable material aerosol and/or a tobacco product aerosol and/or a mixed aerosol. The flow inlet 28A is arranged, for example, on the side surface 20 of the outer housing 16. The flow inlet 28A may form a through-hole opening in the interior volume 18 between the tobacco product slot 26 and the vaporizable material storage portion 24. In the particular example of fig. 1, the aerosol-generating device 10 includes two flow inlets 28A that may face each other along an axis perpendicular to the device axis X. The flow outlet 28B is defined by the tobacco product receiving aperture 42, and in particular by the opening 44 of the tobacco product receiving aperture. The flow channel 28 also defines a vaporizable material channel portion 28C through the vaporizable material storage portion 24 and a slot channel portion 28D through the tobacco product slot 26. The flow channel 28 also has a channel direction defined in this order from the flow inlet 28A, the vaporizable-material channel portion 28C, the slot channel portion 28D to the flow outlet 28B. The channel direction is indicated by an arrow in fig. 1. The vaporizable-material passageway portion 28C includes a path parallel to the device axis X and is directed toward the slot-passageway portion 28D. The sluice channel section 28D comprises a path parallel to the apparatus axis X and directed towards the flow outlet 28B.
When the cartridge 12 and the tobacco product 14 are received in the aerosol-generating device 10, the flow channel 28 communicates with the cartridge passageway 36 and the interior portion of the tobacco product 14. As a result, the flow channel 28 extends at least partially through the cartridge 12 and the tobacco product 14 in this order. In particular, the vaporizable material passageway portion 28C extends inside the cartridge passageway 36 and the slot passageway portion 28D extends inside the tobacco product 14.
According to a specific example, the flow channel 28 includes a bypass section 28E that directly connects the flow inlet 28A to the trough channel portion 28D. The bypass section 28E directly connects the flow inlet 28A with the sluice channel section 28D. According to an example, the bypass section 28E may have a flow orientation perpendicular to the device axis. In the particular example of fig. 1, the flow channel 28 includes two bypass sections 28E, each connecting one flow inlet 28A directly to the trough channel portion 28D.
According to the specific example of fig. 1, the flow channel 28 further comprises two connection sections 28F, 28G extending from the flow inlet 28A to the vaporizable-material channel part 28C according to the channel direction. The two connecting sections 28F, 28G on the one hand and the vaporizable-material passageway portion 28C on the other hand have opposite flow orientations.
The heating system is configured to heat the vaporizable material and the tobacco product 14 to form a mixed aerosol in the flow channel 28. The heating system includes a vaporizable material heater 46 for heating vaporizable material and a tobacco product heater 48 for heating tobacco product 14. The heating system is powered by a battery 22.
The vaporizable material heater 46 may be in contact with the vaporizable material storage portion 24, at least partially integrated into the portion 24, or at least partially integrated into a removable cartridge as described above. The vaporizable material heater 46 is capable of heating vaporizable material contained in the vaporizable material compartment 34. As shown in fig. 1, the vaporizable material heater 46 may include electrical contacts 50 adapted to couple to corresponding cartridge electrical contacts 38. According to another example, vaporizable material heater 46 may comprise a heating element (such as a heating plate as described above) disposed in apparatus 10.
As also shown in fig. 1, a tobacco product heater 48 surrounds the tobacco product-containing aperture 42 and may be integrated into the defining wall 40. As a variant, the tobacco product heater 48 may be adjacent to the delimiting wall 40. The tobacco product heater 48 includes a sequence of heating sections disposed along the tobacco product-receiving aperture 42 (i.e., along the device axis X). The heating section sequence is configured to be controlled by the control unit 32 according to a predetermined heating profile during the suction session, as will be explained below. The heating section sequence defines a first heating section and a last heating section with respect to the channel direction of the flow channel 28. In particular, when the tobacco product 14 is received in the tobacco product slot 26, each heating section is disposed about and configured to heat a corresponding portion of the tobacco product 14. Each heating section may have an annular shape. Furthermore, in a cross-sectional plane perpendicular to the device axis X, each heating section may have a shape adapted to the shape of the delimiting wall 40. As an example, the shape of each heating section is circular. Each heating section may be made of metal or any other material suitable for heat transfer. In the example of fig. 1, the tobacco product heater 48 includes five heating sections, referred to as "first heating section 51", "second heating section 52", "third heating section 53", "fourth heating section 54", and "fifth heating section 55", respectively. In this particular example, the first heating section 51 is the first heating section and the fifth heating section 55 is the last heating section. The other heating sections 52 to 54 are arranged successively between the first heating section 51 and the fifth heating section 55.
The tobacco product heater 48 is adapted to heat the tobacco product 14 at a first temperature, while the vaporizable material heater 46 is configured to heat vaporizable material at a second temperature different from the first temperature. The first temperature is preferably below 400 ℃, and preferably between 200 ℃ and 390 ℃. Advantageously, the first temperature is substantially equal to 350 ℃. The first temperature is selected so as not to burn the tobacco product 14. For example, the second temperature is higher than 400 ℃. The second temperature is selected to produce an aerosol from the vaporizable material.
The control unit 32 is adapted to control the operation of the heating system, i.e. the operation of the vaporizable material heater and the tobacco product heater 46, 48. The control unit 32 is in particular configured to control the activation of these heating sections according to a predetermined heating profile P during the suction session. The control unit 32 may include a memory 32A. The memory 32A may be configured to store at least one predetermined heating profile. As an example, the memory 32A may be configured to store a plurality of different predetermined curves. The or each predetermined curve may be determined at a service centre of the aerosol-generating device 10 or may be created by a user of the aerosol-generating device 10.
For the tobacco product heater 48, the control unit 32 is configured to control operation of activating the heating section independently of each other. When the memory 32A stores a plurality of predetermined curves, the control unit 32 is configured to control the operation of the heating section according to a predetermined heating curve P selected among the plurality of heating curves. The duration of the suction session may be, for example, 330 seconds.
According to some embodiments, the aerosol-generating device 10 is configured to be connected to a mobile apparatus as described above. In particular, the mobile device may be adapted to upload the or each predetermined heating profile into the memory 32A of the control unit 32.
In particular, the predetermined heating profile P defines for each heating zone an activation time interval within the suction session in which said heating zone is to be activated. Each time interval includes a start time and a stop time. In the predetermined heating profile, the start times are different for at least two heating sections and the stop times are also different. Advantageously, all start moments are different and all stop moments are also different. According to an example, in the predetermined heating profile, the heating section sequence is configured to activate sequentially starting from the first heating section. For example, for successive heating zones starting from the first heating zone, the start moment increases and the stop moment also increases during the suction session. Each time interval may have the same duration as the other intervals or a different duration. The activation time intervals of at least two successive heating sections may partially overlap at least one overlapping interval.
According to a specific embodiment, the activation time intervals of each pair of two consecutive heating zones partially overlap at least one overlap interval.
According to a specific embodiment, the tobacco product heater comprises at least three heating sections, the or each set of three heating sections comprising a first heating section, a second heating section and a third heating section arranged successively in this order. For these or each set of three heating zones, the activation time interval of the first heating zone and the activation time interval of the second heating zone partially overlap the first overlap interval, and the activation time interval of the second heating zone and the activation time interval of the third heating zone partially overlap the second overlap interval. The first overlap interval is different from the second overlap interval.
In other words, at most two activation time intervals overlap at each instant of the sucking session.
According to other embodiments, the predetermined heating profile may be different. In such a curve, the heating zones may be activated sequentially in another order than the order from the first heating zone to the last heating zone. As a specific example, in the heating profile, the heating sections may be activated successively from the last heating profile to the first heating section, and will be denoted as "reverse predetermined profile" hereinafter.
According to a specific example of the predetermined profile P shown in fig. 2, the duration of each activation time interval is between 80 seconds and 100 seconds. Furthermore, according to the heating profile P, the heating sections are configured to be activated successively from the first heating section 51 to the last heating section 55. In particular, the suction profile P comprises in the abscissa the duration of the suction session (in seconds) and in the ordinate the identification of the heating zone. According to this example, the suction profile P comprises five activation time intervals, each associated with a corresponding heating zone 51 to 55 explained with reference to fig. 1. These five activation time intervals are hereinafter denoted as "first activation time interval 61", "second activation time interval 62", "third activation time interval 63", "fourth activation time interval 64", and "fifth activation time interval 65", and are associated with the first heating section 51, the second heating section 52, the third heating section 53, the fourth heating section 54, and the fifth heating section 55, respectively. The first activation time interval from 0 seconds to 90 seconds corresponds to the activation duration of the first heating section 51 (i.e. also referred to as first heating section 51 hereinabove). The second activation time interval 62 from 60 seconds to 150 seconds partially overlaps the first activation time interval 61 and the third activation time interval 63 and corresponds to the activation duration of the second heating section 52. The third activation time interval 63 from 120 seconds to 210 seconds partially overlaps the second activation time interval 62 and the fourth activation time interval 64 and corresponds to the activation duration of the third heating section 53. The fourth activation time interval 64 from 180 seconds to 270 seconds partially overlaps the third activation time interval 63 and the fifth activation time interval 65 and corresponds to the activation duration of the fourth heating section 54. The fifth activation time interval 65 from 240 seconds to 330 seconds partially overlaps the fourth activation time interval 64 and corresponds to the activation duration of the fifth heating section 55 (i.e. also referred to as last heating section 55 hereinabove).
The duration of each overlap interval may be between 20 seconds and 40 seconds, and is preferably equal to 30 seconds.
According to a particular embodiment, the duration of the or each overlap interval is between 5% and 50% of the duration of the respective one of the two consecutive heating sections 51, 52, 53, 54, 55, the duration of the or each overlap interval is preferably between 25% and 40% of the duration of the respective one of the two consecutive heating sections 51, 52, 53, 54, 55, the duration of the or each overlap interval 61, 62, 63, 64, 65, and advantageously the duration of the or each overlap interval is equal to 1/3 of the duration of the respective one of the two consecutive heating sections 51, 52, 53, 54, 55, the activation time interval 61, 62, 63, 64, 65.
A control method of the aerosol-generating device 10 for controlling the aerosol-generating assembly 8 according to the first embodiment of the invention will now be explained.
Initially, the user activates the aerosol generating device 10 using a trigger, such as a inhalation button, to begin an inhalation session.
The control unit 32 then activates the vaporizable material heater 46 and the tobacco product heater 48. Activation of the vaporizable material heater 46 produces an aerosol of vaporizable material of the mixed aerosol, and activation of the tobacco product heater 48 produces an aerosol of tobacco product of the mixed aerosol. In particular, after activating the tobacco product heater 48, the heating section 51 to 55 sequence is further controlled according to the predetermined heating profile P. Activating the sequence of heating sections 51 to 55 comprises activating the sequence of heating sections 51 to 55 sequentially starting from the first heating section 51 according to the heating profile P. Specifically, when a user inhales the tobacco product 14 using the mouthpiece portion 14A of the tobacco rod 14, air enters through the flow inlet 28A, passes through the cartridge passageway 36 disposed in the vaporizable-material passageway portion 28C, and drives the aerosol of vaporizable material generated by the heated tobacco product 14. When passing through the heated tobacco product 14, an aerosol of vaporizable material is charged with the tobacco product aerosol to produce a mixed aerosol.
According to some embodiments, when the memory 32A of the control unit 32 stores a plurality of different predetermined heating profiles, the method may include selecting a predetermined heating profile from the plurality of predetermined heating profiles prior to activating the heating system (i.e., activating the vaporizable material heater 46 and the tobacco product heater 48). The control unit 32 then activates the vaporizable material heater 46 and the tobacco product heater 48. In particular, the heating sections 51 to 55 of the tobacco product heater 48 are activated according to a selected predetermined profile.
According to some embodiments, a new ingestion session may be automatically started at the end of the ingestion session. The new session may include: when the plurality of heating profiles are stored in the memory 32A of the control unit 32, the activation of the heating section is controlled according to a predetermined heating profile P, according to a reverse predetermined profile or according to another predetermined heating profile of the plurality of heating profiles.
According to some embodiments, when the operation of the heating system is stopped during the inhalation session (i.e. for example, when the user deactivates the aerosol-generating device 10), the control unit 32 stores a reference stop time corresponding to the stop time of the aerosol-generating device 10 during the inhalation session. Then, when the user activates the aerosol-generating device 10 again, the inhalation session may be restarted from the reference stop time of the predetermined profile until the inhalation session ends. In particular, the heating section of the tobacco product heater 48 is activated from a reference stop time according to the remaining predetermined heating profile. The method may include preheating the vaporizable material heater 46 and the tobacco product heater 48 prior to activating the heating segment according to the remaining predetermined heating profile.
Second embodiment of the invention
An aerosol-generating assembly according to a second embodiment will be explained below. An aerosol-generating assembly according to the second embodiment is denoted by reference numeral 108 and will be explained in more detail with reference to fig. 3.
In particular, as shown in fig. 3, the aerosol-generating assembly 108 includes an aerosol-generating device 110, a cartridge 112, and a tobacco product 114. The cartridge 112 and the tobacco product 114 are similar to the cartridge 12 and the tobacco product 14 described above.
The aerosol-generating device 110 according to the second embodiment comprises a vaporisable material storage portion 124 similar to the vaporisable material storage portion described above and a tobacco product slot 126 similar to the tobacco product slot 26 described above. According to a second embodiment of the invention, the vaporisable material storage portion 124 and the smoking article slot 126 are arranged one after the other along an axis perpendicular to the device axis X.
The aerosol-generating device 110 has a flow channel 128 that is different from the flow channel 28 of the aerosol-generating device 10 according to the first embodiment, and has a unique flow inlet 128A arranged in a portion of the side surface 120 of the housing that is arranged in front of the vaporizable-material storing portion 124, for example. Advantageously, the flow inlet 128A opens into the interior volume 118 below the vaporizable material storage portion 124. The vaporizable-material passageway portion 128C includes two paths 128C that are oppositely oriented 1 And 128C 2 . Thus, when the cartridge 112 is received into the vaporizable material storage portion 124, the cartridge passageway 136 includes the two paths 128C having opposite orientations 1 And 128C 2 。
The control method for controlling the aerosol-generating device 110 is similar to that described in the first embodiment.
Claims (15)
1. An aerosol-generating device (10; 110) comprising:
-a vaporizable material storage portion (24; 124) for storing vaporizable material;
-a tobacco product slot (26; 126) configured to receive a tobacco product (14; 114);
-a flow channel (28; 128) extending between a flow inlet (28 a;128 a) and a flow outlet (28B), the flow channel (28; 128) defining a vaporizable material channel portion (28 c;128 c) through the vaporizable material storage portion (24; 124) and a slot channel portion (28D) through the smoking article slot (26; 126); and
-a heating system configured to heat the vaporizable material and the tobacco product (14; 114) to form a mixed aerosol in the flow channel (28; 128), the heating system comprising a vaporizable material heater (46) for heating the vaporizable material and a tobacco product heater (48) for heating the tobacco product (14), the tobacco product heater (48) surrounding a tobacco product receiving aperture (42) and being integrated into a defining wall (40) defining the product receiving aperture (42) or adjacent to the defining wall (40);
wherein the tobacco product heater (48) further comprises a sequence of heating sections (51, 52, 53, 54, 55) arranged along the tobacco product receiving aperture (40);
wherein the aerosol-generating device (10; 110) comprises a control unit (32) configured to control the activation of the heating sections (51, 52, 53, 54, 55) according to a predetermined heating profile (P) during the inhalation session.
2. An aerosol-generating device (10; 110) according to claim 1, which extends along a device axis (X), the vaporisable material storage portion (24) and the tobacco product slot (26) being arranged one after the other along the device axis (X), or the vaporisable material storage portion (124) and the tobacco product slot (126) being arranged one after the other along an axis perpendicular to the device axis (X).
3. Aerosol-generating device (10; 110) according to claim 1 or 2, wherein the flow channel (28; 128) extends from the flow inlet (28A; 128A) to the flow outlet (28B) according to a channel direction, the vaporisable material channel portion (28 c;128 c) and the tobacco product channel portion (28D) being arranged one after the other following the channel direction, the flow channel (28) comprising a bypass section (28D) connecting the flow inlet (28A) directly to the slot channel portion (28D).
4. The aerosol-generating device (10; 110) according to any one of the preceding claims, wherein the tobacco product heater (48) is configured to heat the tobacco product (14; 114) at a first temperature, and the vaporizable material heater (46) is configured to heat the vaporizable material at a second temperature, the first temperature being different from the second temperature, the first temperature preferably being below 400 ℃ and preferably between 200 ℃ and 399 ℃.
5. The aerosol-generating device (10; 110) according to any one of the preceding claims, wherein each heating section (51, 52, 53, 54, 55) is configured to be activated independently of each other.
6. An aerosol-generating device (10; 110) according to any one of the preceding claims, wherein the predetermined heating profile (P) defines for each heating section (51, 52, 53, 54, 55) an activation time interval (61, 62, 63, 64, 65) within the inhalation session in which the heating section (51, 52, 53, 54, 55) is to be activated.
7. Aerosol-generating device (10; 110) according to any one of the preceding claims, wherein the heating sections (51, 52, 53, 54, 55) are configured to be activated sequentially starting from the first heating section (51) according to the predetermined heating profile (P).
8. Aerosol-generating device (10; 110) according to any one of the preceding claims in combination with claim 6, wherein the activation time intervals (61, 62, 63, 64, 65) of two consecutive heating sections (51, 52, 53, 54, 55) within the inhalation session partially overlap the overlap interval.
9. Aerosol-generating device (10; 110) according to claim 8, wherein the duration of the or each overlap interval is between 5% and 50% of the duration of the activation time interval (61, 62, 63, 64, 65) of the respective one of the two consecutive heating sections (51, 52, 53, 54, 55), preferably the duration of the or each overlap interval is between 25% and 40% of the duration of the activation time interval (61, 62, 63, 64, 65) of the respective one of the two consecutive heating sections (51, 52, 53, 54, 55), and advantageously the duration of the or each overlap interval is equal to 1/3 of the duration of the activation time interval (61, 62, 63, 64, 65) of the respective one of the two consecutive heating sections (51, 52, 53, 54, 55).
10. Aerosol-generating device (10; 110) according to claim 8 or 9, wherein the tobacco product heater (48) comprises at least three heating sections (51, 52, 53, 54, 55), the or each group of three heating sections comprising a first heating section (51), a second heating section (52) and a third heating section (53) arranged successively in this order,
for the or each group of three heating sections (51, 52, 53, 54, 55), an activation time interval (61) of the first heating section (51) and an activation time interval (62) of the second heating section (52) partially overlap a first overlap interval, and an activation time interval (62) of the second heating section (52) and an activation time interval (63) of the third heating section (53) partially overlap a second overlap interval, the first overlap interval being different from the second overlap interval.
11. The aerosol-generating device (10; 110) according to any one of the preceding claims in combination with claim 6, wherein each activation time interval (61, 62, 63, 64, 65) has a duration of between 80 seconds and 100 seconds.
12. An aerosol-generating assembly (8; 108) comprising: the aerosol-generating device (10; 110), the vaporisable material and the tobacco product (14; 114) according to any of claims 1 to 11.
13. The assembly (8; 108) according to claim 12, wherein the tobacco product (14; 114) is a rod or capsule comprising tobacco or ready-made cigarettes.
14. A control method for controlling an aerosol-generating device (10; 110) according to any one of claims 1 to 11, comprising: activating the sequence of heating sections (51, 52, 53, 54, 55) according to the predetermined heating profile (P).
15. Control method for controlling according to claim 14, wherein the predetermined heating profile (P) defines for each heating section (51, 52, 53, 54, 55) an activation time interval (61, 62, 63, 64, 65) within a suction session in which said heating section (51, 52, 53, 54, 55) is to be activated, and according to the predetermined heating profile (P) the heating sections (51, 52, 53, 54, 55) are configured to be activated successively starting from the first heating section (51);
wherein activating the sequence of heating sections (51, 52, 53, 54, 55) comprises activating the sequence of heating sections (51, 52, 53, 54, 55) successively from the first heating section (51) according to the predetermined heating profile (P).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| EP20206188 | 2020-11-06 | ||
| EP20206188.3 | 2020-11-06 | ||
| PCT/EP2021/080661 WO2022096584A1 (en) | 2020-11-06 | 2021-11-04 | Aerosol generation device, associated assembly and controlling method |
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| CN116419685A true CN116419685A (en) | 2023-07-11 |
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| CN202180075213.9A Pending CN116419685A (en) | 2020-11-06 | 2021-11-04 | Aerosol generating device, related components and control method |
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| US (1) | US20230397661A1 (en) |
| EP (1) | EP4240185A1 (en) |
| JP (1) | JP2023547059A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3041922C (en) * | 2013-10-29 | 2022-07-12 | British American Tobacco (Investments) Limited | Apparatus for heating smokable material |
| KR102116961B1 (en) * | 2017-07-21 | 2020-06-02 | 주식회사 아모센스 | heater assembly for cylinderical type electronic cigarette and cylinderical type electronic cigarette including the same |
| CN111065285A (en) * | 2017-10-30 | 2020-04-24 | 韩国烟草人参公社 | Aerosol generating device and control method thereof |
| US20190343179A1 (en) * | 2018-05-10 | 2019-11-14 | Rai Strategic Holdings, Inc. | Control component for segmented heating in an aerosol delivery device |
| CN108713798A (en) * | 2018-07-05 | 2018-10-30 | 云南中烟工业有限责任公司 | A kind of circumferential direction heated multi-function electronic smoking set |
| GB201812507D0 (en) * | 2018-07-31 | 2018-09-12 | Nicoventures Holdings Ltd | aerosol generation |
| CN114727659A (en) * | 2019-11-29 | 2022-07-08 | 日本烟草国际股份有限公司 | Aerosol generating device and aerosol generating system |
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2021
- 2021-11-04 US US18/035,230 patent/US20230397661A1/en active Pending
- 2021-11-04 EP EP21802737.3A patent/EP4240185A1/en active Pending
- 2021-11-04 WO PCT/EP2021/080661 patent/WO2022096584A1/en active Application Filing
- 2021-11-04 JP JP2023523085A patent/JP2023547059A/en active Pending
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| US20230397661A1 (en) | 2023-12-14 |
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| WO2022096584A1 (en) | 2022-05-12 |
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