EP4193858A1 - Dispositif de génération d'aérosol comprenant une pluralité de dispositifs de chauffage et article de génération d'aérosol utilisé avec celui-ci - Google Patents

Dispositif de génération d'aérosol comprenant une pluralité de dispositifs de chauffage et article de génération d'aérosol utilisé avec celui-ci Download PDF

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Publication number
EP4193858A1
EP4193858A1 EP22813865.7A EP22813865A EP4193858A1 EP 4193858 A1 EP4193858 A1 EP 4193858A1 EP 22813865 A EP22813865 A EP 22813865A EP 4193858 A1 EP4193858 A1 EP 4193858A1
Authority
EP
European Patent Office
Prior art keywords
aerosol generating
heater unit
mode
segment
generating apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22813865.7A
Other languages
German (de)
English (en)
Other versions
EP4193858A4 (fr
Inventor
In Su Park
Chan Min KWON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KT&G Corp
Original Assignee
KT&G Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KT&G Corp filed Critical KT&G Corp
Publication of EP4193858A1 publication Critical patent/EP4193858A1/fr
Publication of EP4193858A4 publication Critical patent/EP4193858A4/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • A24B13/02—Flakes or shreds of tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0287—Manufacture of tobacco smoke filters for filters with special features for composite filters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/17—Filters specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present invention relates to an aerosol generating apparatus having a plurality of heaters and an aerosol generating article used together therewith. More particularly, the present invention relates to an aerosol generating apparatus including a plurality of heaters that are arranged to heat different positions of an aerosol generating article and can individually control temperature, and an aerosol generating article used together therewith.
  • the electrically heated aerosol generating apparatus and the cigarette stick applied thereto are being developed in various forms to meet consumer's tastes by using granules including the corresponding components instead of sheet leaf and leaf tobacco cut grass as tobacco materials of the cigarette stick, introducing a separate atomizing unit in the form of a cartridge into the electrically heated aerosol generating apparatus, and the like. Nevertheless, there is a limit to satisfying various consumers, such as being able to satisfy only consumers with specific preferences through the single cigarette stick and the electrically heated aerosol generating apparatus.
  • the present inventor completed the present invention after studying an electrically heated aerosol generating apparatus capable of generating aerosol of various components or amounts according to the consumer's preference even for one cigarette stick.
  • Patent Document 1 Korean Patent Laid-Open Publication No. 10-2014-7021388
  • the present invention provides an aerosol generating apparatus capable of generating aerosols of various components or amounts according to consumer's preference for one aerosol generating article.
  • an aerosol generating apparatus includes: a housing that forms an accommodation space in which an aerosol generating article is accommodated; a heater unit that heats an aerosol generating article accommodated in the accommodating space; and a control unit that adjusts a temperature of the heater unit, in which the heater unit may include a first heater unit and a second heater unit disposed to heat different positions of the aerosol generating article, respectively, and the control unit may control to separately adjust the temperature of the first heater unit and the second heater unit.
  • the aerosol generating article may include a first filter segment, a second filter segment, and a cavity segment, the cavity segment may be formed by the first filter segment and the second filter segment, the cavity segment may be filled with a tobacco granule, and the first filter segment may be located upstream of the cavity segment and include an aerosol forming agent.
  • the first filter segment and the cavity segment of the aerosol generating article may be accommodated in the accommodation space of the aerosol generating apparatus, the first heater unit may be located to heat the first filter segment, and the second heater unit may be located to heat the cavity segment.
  • the first heater unit may be driven in a smoky mode or a smokeless mode, in the smoky mode, the first heater unit may be heated to maintain a temperature range of 180°C to 240°C, and in the smokeless mode, the first heater unit may not be heated.
  • the second heater unit may be driven in one of a strong mode, a medium mode, and a weak mode, in the strong mode, the second heater unit may be heated to maintain a temperature range of 200°C to 260°C, in the medium mode, the second heater unit may be heated to maintain a temperature range of 160°C to 200°C, and in the weak mode, the second heater unit may be heated to maintain a temperature range of 150°C to 180°C.
  • the second heater unit when the temperature of the first heater unit is less than 100°C, the second heater unit may be driven in the strong mode.
  • the first heater unit and the second heater unit may be driven in a form of being reheated when they are out of a set range after being initially preheated.
  • the aerosol generating apparatus may further include: a switch that is disposed on an outer wall surface of the housing, in which the switch may set the smoky mode or the smokeless mode for the first heater unit and set the strong mode, the medium mode, or the weak mode for the second heater unit.
  • An aerosol generating apparatus separately adjusts a first heater unit that may heat a first filter segment capable of generating an aerosol and a second heater unit that may heat a cavity segment capable of supplying tobacco components to the aerosol, so for one aerosol generating article, a large amount of nicotine may be transferred to give a high satisfaction to consumers who prefer a strong tobacco taste and a small amount of nicotine may be transferred to give a high satisfaction to consumers who prefer a soft tobacco taste.
  • any component is “connected” or “coupled” to another component, it is to be understood that any component is directly connected or coupled to another component or is connected or coupled to another component with the other component interposed therebetween.
  • aerosol generating apparatus refers to an apparatus capable of generating an aerosol by applying an aerosol generating article to generate an aerosol that may be directly inhaled into a user's lung through a user's mouth.
  • An exemplary structure of the aerosol generating apparatus will be described with reference to FIGS. 1 and 2 .
  • the term "aerosol generating article” refers to an article capable of generating an aerosol, such as a cigarette or cigar.
  • the aerosol generating article may include at least one of an aerosol forming agent and an aerosol forming substrate.
  • the aerosol generating article may include several segments each having functionality.
  • the aerosol generating article includes a combustion-type an aerosol generating article that is used by direct fire, a heating-type an aerosol generating article that is used along with an aerosol generating apparatus, and the like.
  • the heating-type an aerosol generating article used along with the aerosol generating apparatus may be preferably applied.
  • the term "aerosol forming agent” means a substance capable of facilitating the formation of visible smoke and/or aerosol.
  • the aerosol generating material include, but are not limited to, glycerin (GLY), propylene glycol (PG), ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol.
  • GLY glycerin
  • PG propylene glycol
  • ethylene glycol dipropylene glycol
  • diethylene glycol diethylene glycol
  • triethylene glycol tetraethylene glycol
  • oleyl alcohol oleyl alcohol
  • the aerosol forming agent may be used interchangeably with the terms such as a moisturizer and a humectant.
  • aerosol forming substrate means a material capable of forming an aerosol.
  • the aerosol may include volatile compounds.
  • the aerosol forming substrate may be solid or liquid.
  • the solid aerosol forming substrate may include a solid material based on tobacco raw materials such as planar leaf tobacco, cut filler, and reconstituted tobacco
  • the liquid aerosol forming substrate may include liquid compositions based on nicotine, tobacco extracts, and/or various flavoring agents.
  • the aerosol forming substrate may further include an aerosol forming agent in order to stably form visible smoke and/or aerosol.
  • upstream and downstream are terms used to represent relative positions of segments constituting the aerosol generating article based on a direction in which a user inhales air using the aerosol generating article.
  • the aerosol generating article includes an upstream end portion (i.e., a portion through which air enters) and a downstream end portion (i.e., a portion through which air exits) opposite thereto.
  • upstream end portion i.e., a portion through which air enters
  • downstream end portion i.e., a portion through which air exits
  • the term "puff” refers to user's inhalation, and the inhalation refers to a situation in which air is drawn through a user's mouth or nose into a user's oral cavity, nasal cavity, or lung.
  • longitudinal direction refers to a direction corresponding to a longitudinal axis of the aerosol generating article.
  • the present invention relates to an aerosol generating apparatus, and is intended to provide an aerosol generating apparatus capable of generating various components or amounts of aerosol according to consumer's preference even when one aerosol generating article is applied.
  • FIGS. 1 and 2 schematically illustrate an exemplary an aerosol generating apparatus.
  • the aerosol generating apparatus 10 includes a housing, heater units 13 and 14, and a control unit 12.
  • the aerosol generating apparatus 10 may further include a battery 11, and may further include general-purpose components for those skilled in the art in addition to the above components.
  • the aerosol generating apparatus 10 may further include an input module (e.g., a button, a touchable display, etc.) for receiving a command from a user, or the like, and an output module (e.g., an LED, a display, a vibration motor, etc.) for outputting information such as an apparatus state and smoking information
  • an input module e.g., a button, a touchable display, etc.
  • an output module e.g., an LED, a display, a vibration motor, etc.
  • the housing forms an appearance of the aerosol generating apparatus 10.
  • an accommodation space capable of accommodating the aerosol generating article 20 is formed.
  • the housing may be preferably formed of a material capable of protecting internal components.
  • the heater units 13 and 14 heat the aerosol generating article 20 accommodated in the accommodation space. Specifically, when the aerosol generating article 20 is accommodated in the accommodation space of the aerosol generating apparatus 10, the heater unit 13 may heat the aerosol generating article 20 by power supplied from a battery 11.
  • the heater units 13 and 14 may be configured in various forms and/or manners.
  • the heater units 13 and 14 may be configured to include, for example, an electrical resistive heating element.
  • the heater unit 13 may include an electrically insulating substrate (for example, a substrate made of polyimide) and an electrically conductive track, and include a heating element that generates heat as current flows through the electrically conductive track.
  • the heater unit 13 is not limited thereto, and the heating element may be applicable without limitation as long as it may be heated to a desired temperature.
  • the desired temperature may be preset (for example, when a temperature profile is pre-stored) in the aerosol generating apparatus 10 or may be set to a desired temperature by a user.
  • the heater units 13 and 14 may be configured to include a heating element operating in an induction heating method.
  • the heater 13 may include an inductor (e.g., an induction coil) for heating the aerosol generating article 20 by the induction heating method and a susceptor for induction heating by the inductor.
  • the susceptor may be located inside or outside the aerosol generating article 20.
  • the heater units 13 and 14 may be configured to include a heating element (hereinafter referred to as an "internal heating element") for internally heating the aerosol generating article 20 and a heating element (hereinafter referred to as “external heating element”) for externally heating the aerosol generating article 20, or a combination thereof.
  • the internal heating element may have, for example, a tubular shape, a needle shape, a rod shape, or the like, and may be disposed to penetrate through at least a portion of an aerosol generating article 20.
  • the external heating element may be formed in a shape such as a plate shape or a cylinder shape and may be disposed in a shape that encloses at least a portion of the aerosol generating article 20.
  • the scope of the present disclosure is not limited thereto, and the shape, number, and arrangement of heating elements may be designed in various manners.
  • the heater units 13 and 14 include a first heater unit 13 and a second heater unit 14 disposed to heat different positions of the aerosol generating article 20, respectively. Since the first heater unit 13 and the second heater unit 14 are located separately, they may come into contact with the aerosol generating article 10 at different positions.
  • the shapes of the first heater unit 13 and the second heater unit 13 is not particularly limited as long as they are located separately.
  • an internal heating element in the form of a tubular, needle, rod, etc. and an external heating element in the form of a plate, cylinder, etc. may be possible, and in the aerosol generating apparatus 10 according to FIGS. 1 and 2 , as one specific example, a cylindrical external heating element is used.
  • the battery 11 supplies power used to operate the aerosol generating apparatus 10.
  • the battery 11 may supply power to allow the heater units 13 and 14 to heat the aerosol generating article 20, and may supply power required for the control unit 12 to operate.
  • the battery 11 may supply power required for electrical components such as a display (not illustrated), a sensor (not illustrated), and a motor (not illustrated) installed in the aerosol generating apparatus 10 to operate.
  • the control unit 12 may control the overall operation of the aerosol generating apparatus 10.
  • the control unit 12 may control operations of the heater units 13 and 14 and the battery 11, and may also control operations of other components included in the aerosol generating apparatus 10.
  • the control unit 12 may control the power supplied by the battery 11, and control a heating temperature or the like of the heater units 13 and 14.
  • the control unit 12 may control to separately adjust the temperature of the first heater unit and the second heater unit.
  • the control unit 12 may determine whether or not the aerosol generating apparatus 10 is in an operable state by confirming a state of each of the components of the aerosol generating apparatus 10.
  • the control unit 12 may be implemented by at least one processor.
  • the control unit may be implemented as an array of a plurality of logic gates or may be implemented as a combination of a general-purpose microcontroller and a memory in which a program executable in the microcontroller is stored.
  • the control unit 12 may be implemented with other types of hardware.
  • the aerosol generating article 20 applied to the aerosol generating apparatus 10 may have a structure similar to that of a general combustion type cigarette.
  • the aerosol generating article 20 may be divided into, for example, a first part (e.g., a tobacco rod) including a tobacco material (or an aerosol forming substrate) and a second part (e.g., a filter rod) including a filter and the like.
  • the entire first part may be inserted into the aerosol generating apparatus 10, and the second part may be exposed to the outside.
  • only a portion of the first portion may be inserted into the aerosol generating apparatus 10, or the entire first portion and a portion of the second portion may be inserted.
  • a user may smoke while holding the second part with his or her mouth.
  • FIG. 3 schematically illustrates an exemplary aerosol generating article.
  • the aerosol generating article 20 includes a first filter segment 21, a second filter segment 23, and a cavity segment 22.
  • the cavity segment 22 is formed by the first filter segment 21 and the second filter segment 23.
  • the first filter segment 21, the second filter segment 23, and the cavity segment 22 are components included in the above-described first part (or tobacco rod), and supply tobacco components (or smoking flavor components) such as nicotine as the first portion is heated.
  • the cavity segment 22 may be filled with tobacco granules 22A, which are tobacco substances in the form of granules.
  • the tobacco material included in the aerosol generating article according to the present invention is not limited to tobacco granules, but may be preferably applied in the aerosol generating apparatus according to the present invention.
  • the first filter segment 21 and the second filter segment 23 basically have functionality as a filter, but also have a function of designating a compartment in which the tobacco granules 22A may be retained without leaking when the tobacco granules 22A are filled in the cavity segment 22.
  • the first part including the first filter segment 21, the second filter segment 23, and the cavity segment 22 may be wrapped with a wrapper.
  • the first filter segment 21 is a filter segment forming the cavity segment 22 and may be located upstream of the cavity segment 22.
  • the first filter segment 21 has a basically similar configuration to the second filter segment 22 to be described later, but additional functionality is required.
  • the first filter segment 21 may perform a function of preventing the tobacco granules 22A from falling off.
  • the first filter segment 21 may allow the cavity segment 22 to be disposed at an appropriate position within the aerosol generating apparatus 10.
  • the first filter segment 21 may prevent the tobacco rod from escaping to the outside and prevent the aerosol liquefied from the tobacco rod from flowing into the aerosol generating apparatus 10 during smoking.
  • the first filter segment 21 may include a paper material.
  • the first filter segment 21 may be composed of a paper filter. It may be preferable that the paper material is arranged in the longitudinal direction to secure a smooth air flow path. However, it is not limited thereto. However, the present invention is not limited thereto.
  • a tobacco rod suitable for the heating type aerosol generating apparatus 10 according to the embodiment of the present invention may be manufactured. Specifically, the cellulose acetate fibers may be melted or contracted upon contact with the internal heating element, accelerating the falling-off phenomenon of the tobacco granules 22A. However, paper materials that are resistant to heat may greatly mitigate this phenomenon.
  • the first filter segment 21 may include a water-resistant or oil-resistant paper material.
  • the second filter segment 23 is a filter segment forming the cavity segment 22 and may be located downstream of the cavity segment 22.
  • the first filter segment 21 may further perform functions of filtering, cooling, and the like an aerosol.
  • the second filter segment 23 may include a paper material.
  • the second filter segment 23 may be composed of a paper filter. It may be preferable that the paper material is arranged in the longitudinal direction to secure a smooth air flow path.
  • a tobacco rod suitable for the heating type aerosol generating apparatus 10 according to the embodiment of the present invention may be manufactured. Specifically, since the cellulose acetate fibers melt or shrink when heated above a certain temperature, it is difficult to apply the cellulose acetate fibers to the portion of the tobacco rod heated by the heater units 13 and 14.
  • the paper material since the paper material is hardly denatured by heat, the paper material may be easily applied to the tobacco rod portion, so the tobacco rod suitable for the heating type aerosol generating apparatus 10 may be manufactured.
  • the second filter segment 23 may be composed of the cellulose acetate filter. In this case, an improvement effect of removal ability of the second filter segment 23 may be achieved.
  • the second filter segment 23 may include a water-resistant or oil-resistant paper material.
  • the problem e.g., the problem of reducing the amount of atomization in a smoky mode
  • the smoke component e.g., moisture, aerosol forming agent component
  • the first filter segment 23 includes a general paper material
  • the above-described smoke component may be absorbed due to the hygroscopicity of the paper material, thereby reducing the amount of visible atomization.
  • a water-resistant or oil-resistant paper material is applied, the absorption of the above-described smoke component hardly occurs, and thus the problem of reducing the amount of atomization may be solved.
  • the suction resistance of the first filter segment 21 or the second filter segment 23 may be 50mmH 2 O/60mm to 150mmH 2 O/60mm, preferably 50mmH 2 O/60mm to 130mmH 2 O/60mm, 50mmH 2 O/60mm to 120mmH 2 O/60mm, 50mmH 2 O/60mm to 110mmH 2 O/60mm, 50mmH 2 O/60mm to 100mmH 2 O/60mm, 50mmH 2 O/60mm to 90mmH 2 O/60mm, 50mmH 2 O/60mm to 100mmH 2 O/80mm, or 50mmH 2 O/60mm to 70mmH 2 O/60mm.
  • appropriate suckability may be ensured.
  • the probability of occurrence of a vortex flow in the cavity segment 22 is increased by the appropriate suckability, and accordingly, an effect of uniformly heating a plurality of tobacco granules 22A may be achieved.
  • the oil resistance of the paper material may be 4 or more (i.e., 4 or more in the range of 1 to 12), preferably 5, 6, 7, or 8 or more when measured by 3M Kit Test.
  • the problem e.g., reducing the amount of visible smoke in the smoky mode
  • the visible amount of smoke i.e., the amount of visible smoke generated
  • the thickness of the paper material may be 30 ⁇ m to 50 ⁇ m, and preferably 33 ⁇ m to 47 ⁇ m, 35 ⁇ m to 45 ⁇ m, or 37 ⁇ m to 42 ⁇ m.
  • the paper material may have a basis weight of 20 g/m 2 to 40 g/m 2 , and preferably 23 g/m 2 to 37 g/m 2 , 25 g/m 2 to 35 g/m 2 , or 27 g/m 2 to 33 g/m 2 .
  • the tensile strength of the paper material may be 2.5 kgf/15 mm or more, and preferably 2.8 kgf/15 mm, 3.2 kgf/15 mm, or 3.5 kgf/15 mm or more.
  • the elongation of the paper material may be 0.8% or more, and preferably 1.0%, 1.2% or 1.5% or more.
  • the stiffness of the paper material may be 100 cm 3 or more, and preferably 120 cm 3 , 150 cm 3 , or 180 cm 3 or more.
  • the ash content of the paper material may be 1.5% or less, and preferably 1.2%, 1.0%, or 0.8% or less.
  • the paper width of the paper material may be 80 mm to 250 mm, preferably 90 mm to 230 mm, 100 mm to 200 mm, 120 mm to 180 mm, or 120 mm to 150 mm. Within this numerical range, it was confirmed that the first filter segment 21 and the second filter segment 23 had an appropriate suction resistance and an appropriate amount of atomization was ensured.
  • the aerosol generating article 20 is an article filled with the tobacco granules 22A, and the aerosol generating apparatus 10 may operate to heat the aerosol generating article 20 at a heating temperature of about 270°C or lower. In this case, no visible smoke may be generated or the generation of visible smoke may be minimized during smoking. This is because the tobacco granules 22A have a significantly lower content of moisture and/or aerosol forming agent than the tobacco substances such as cut filler (e.g., leaf tobacco cut filler, sheet leaf cut filler), thereby reducing the generation of the visible smoke.
  • cut filler e.g., leaf tobacco cut filler, sheet leaf cut filler
  • the tobacco granules 22A may exhibit a sufficient smoking flavor even at a lower heating temperature (e.g., the heating temperature of the cut filler is usually 270°C or higher) than the tobacco substances such as cut filler and sheet leaf (i.e., nicotine may be sufficiently transferred), so the heating temperature of the heater unit 13 may be lowered, and the generation of the visible smoke may be further reduced as the heating temperature is lowered.
  • a lower heating temperature e.g., the heating temperature of the cut filler is usually 270°C or higher
  • the tobacco substances such as cut filler and sheet leaf
  • the aerosol generating article 20 when the aerosol generating article 20 includes the tobacco granules 22A as the tobacco material, the generation of aerosol or visible smoke may be reduced, so a configuration capable of supplementing this is required.
  • the cartridge including the aerosol forming agent may be added to the aerosol generating apparatus 10, and in the present invention, this configuration may also be included in the aerosol generating article 20 instead of the aerosol generating apparatus 10.
  • the first filter segment 21 includes the aerosol forming agent.
  • the aerosol needs to be generated upstream of the cavity segment 22, and the first filter segment 21 may be preferable as a location for generating the aerosol.
  • the aerosol forming agent may be applied in the form of being impregnated into the paper material constituting the first filter segment 21.
  • aerosol forming agent examples include, but are not limited to, glycerin (GLY), propylene glycol (PG), ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol.
  • GLY glycerin
  • PG propylene glycol
  • ethylene glycol dipropylene glycol
  • diethylene glycol diethylene glycol
  • triethylene glycol tetraethylene glycol
  • oleyl alcohol examples include, but are not limited to, glycerin (GLY), propylene glycol (PG), ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol.
  • Additives commonly used in the art such as perfumes, flavoring agents, and vitamin mixtures, may be used together with the aerosol forming agent.
  • the perfume may include menthol, peppermint, spearmint oil, various fruit flavor components, and the like, but is not limited thereto.
  • the flavoring agent is a material that may include a component capable of providing various flavors and savors.
  • the vitamin mixture may be a mixture of at least one of vitamin A, vitamin B, vitamin C, and vitamin E, but is not limited thereto.
  • the cavity segment 22 is a segment including a cavity, and may be located between the first filter segment 21 and the second filter segment 23. That is, the cavity segment 22 may be formed by the first filter segment 21 and the second filter segment 23.
  • the cavity segment 22 may be manufactured in various manners.
  • the cavity segment 22 may be manufactured in a form including, for example, a tubular structure such as a branch pipe.
  • the cavity segment 22 may be manufactured by wrapping the cavity formed by the first filter segment 21 and the second filter segment 23 with a wrapper of an appropriate material.
  • the cavity segment 22 may be manufactured in any way without any limitation as long as the cavity segment 22 may fill the tobacco granules 22.
  • the length of the cavity segment 22 may be freely selected within the range of 8 mm to 12 mm.
  • the cavity segment 22 may be filled with the tobacco granules 22A.
  • the tobacco granules 22A have significantly less moisture and/or aerosol forming agent content than other types of tobacco materials (e.g., leaf tobacco cut filler, sheet leaf, etc.), it is possible to greatly reduce the generation of the visible smoke, so a separate configuration capable of supplementing the generation of the aerosol and visible smoke is required.
  • the first filter segment 21 may also have this configuration.
  • a diameter, a density, a filling rate, a composition ratio of constituent materials, a heating temperature, and the like, of the tobacco granules 22 may be various, and may change according to embodiments.
  • the diameter of the tobacco granules 22A may be 0.3mm to 1.2mm. Within such a numerical range, proper hardness and the manufacturing easiness of the tobacco granules 22 may be ensured, and the probability of occurrence of a vortex flow in the cavity segment 212 may be increased.
  • the size of the tobacco granules 22A may be 15 meshes to 50 meshes, and preferably 15 meshes to 45 meshes, 20 meshes to 45 mesh, 25 meshes to 45 meshes, or 25 meshes to 40 meshes.
  • proper hardness and the manufacturing easiness of the tobacco granules 22A may be ensured, the fall-off phenomenon of the tobacco granules 22A may be minimized, and the probability of occurrence of a vortex flow in the cavity segment 22 may be increased.
  • the density of the tobacco granules 22A may be 0.5g/cm 3 to 1.2g/cm3, and preferably 0.6g/cm 3 to 1.0g/cm 3 , 0.7g/cm 3 to 0.9g/cm 3 , or 0.6 g/cm3 to 0.8 g/cm 3 .
  • proper hardness and the manufacturing easiness of the tobacco granules 22A may be ensured, and the probability of occurrence of a vortex flow in the cavity segment 212 may be increased.
  • the hardness of the tobacco granules 22A may be 80% or more, preferably 85% or 90% or more, more preferably 91%, 93%, 95%, or 97% or more. Within such a numerical range, the manufacturing easiness of the tobacco granules 22A may be improved, and a crumbling phenomenon of the tobacco granules 22A may be minimized, such that the manufacturing easiness of the aerosol generating article 20 may also be improved.
  • the hardness of the tobacco granules 22A may be a numerical value measured in accordance with the national standard test method KSM-1802 ("Activated carbon test method"). For details of a hardness measurement method and the meaning of the measured values, the national standard KSM-1802 is referred to.
  • the filling ratio of the tobacco granules 22 of the cavity segment 22 may be 80 vol% or less, and preferably 70 vol% less, 60 vol%, or 50 vol% or less. Within such a numerical range, the probability of occurrence of a vortex flow in the cavity segment 22 may be increased.
  • the filling rate of the tobacco granules 22A may be preferably 20 vol%, 30 vol%, or 40 vol% in order to ensure an appropriate smoking flavor.
  • the tobacco granules 22A may include 20 wt% or less of moisture, and preferably 15 wt%, 12 wt%, 10 wt%, 7 wt%, or 5 wt% or less of moisture. Within such a numerical range, the generation of visible smoke may be significantly decreased, and a smokeless function of the aerosol generating apparatus 10 may be easily implemented.
  • the tobacco granules 22A may include about 10 wt% or less of an aerosol forming agent, and preferably about 7 wt%, 5 wt%, 3 wt%, or 1 wt% of an aerosol forming agent.
  • the tobacco granules 22A may not include the aerosol forming agent. Within such a numerical range, the generation of visible smoke may be significantly decreased, and a smokeless function of the aerosol generating apparatus 10 may be easily implemented.
  • a content of nicotine on a wet basis in the tobacco granules may be about 1.0% to 4.0%, and preferably about 1.5% to 3.5%, 1.8% to 3.0%, or 2.0% to 2.5%. Within such a numerical range, an appropriate level of smoking flavor may be ensured.
  • a content of nicotine on a dry basis in the tobacco granules 22A may be 1.2% to 4.2%, and preferably about 1.7% to 3.7%, 2.0% to 3.2%, or 2.2% to 2.7%. Within such a numerical range, an appropriate level of smoking flavor may be ensured.
  • the aerosol generating article 20 further includes a cooling segment 24 and a mouthpiece segment 25.
  • the cooling segment 24 and the mouthpiece segment 25 are components included in the above-described second part (or filter rod), and are located downstream of the tobacco rod to perform the filtering function for the aerosol.
  • the filter rod may include a filter material such as paper, cellulose acetate fibers, and the like.
  • the filter rod may further include a wrapper wrapping the filter material.
  • the filter rod 22 may be manufactured in various shapes.
  • the filter rod may be a cylindrical rod or a tubular rod including a hollow therein.
  • the filter rod may be a recessed rod. If the filter rod is composed of a plurality of segments, at least one of the plurality of segments may be manufactured in a different shape.
  • the filter rod may be manufactured to generate flavor.
  • a flavoring solution may be sprayed into the filter rod 12 or a separate fiber to which a flavoring solution is applied may be inserted into the filter rod.
  • the filter rod may include at least one capsule (not illustrated) containing a flavoring solution.
  • the filter rod 12 may include the cooling segment 24 performing the function of cooling the aerosol and the mouthpiece segment 25 performing the function of filtering the aerosol. Alternatively, in some cases, the filter rod may further include at least one segment performing other functions.
  • the cooling segment 24 may be manufactured in various forms.
  • the cooling segment 24 may be manufactured in the form of, for example, a paper pipe, a hollow cellulose acetate filter, a cellulose acetate filter having a plurality of holes, a filter filled with a polymer material or a biodegradable polymer material, and the like.
  • the cooling segment 24 may be manufactured in any shape without limitation as long as the cooling segment 24 may perform the function of cooling the aerosol.
  • the polymer material or biodegradable polymer material may be a woven material of polylactic acid (PLA), but is not limited thereto.
  • the mouthpiece segment 25 may be, for example, a cellulose acetate filter (i.e., a filter made of a cellulose acetate fiber), but is not limited thereto.
  • a cellulose acetate filter i.e., a filter made of a cellulose acetate fiber
  • the above description of the filter rod may also be applied to the mouthpiece segment 25.
  • the aerosol generating article 20 may be wrapped with at least one wrapper (not illustrated). As an example, the aerosol generating article 20 may be wrapped by one wrapper. As another example, the aerosol generating article 20 may be wrapped in an overlapping manner by two or more wrappers. For example, the tobacco rod may be wrapped by a first wrapper and the filter rod may be wrapped by a second wrapper. In addition, the tobacco rod and the filter rod wrapped by individual wrappers may be coupled to each other, and the entire aerosol generating article 20 may be rewrapped by a third wrapper. If each of the tobacco rod 21 or the filter rod 22 is composed of a plurality of segments, each segment may be wrapped by an individual wrapper. In addition, the entire aerosol generating article 20 in which segments wrapped by individual wrappers are coupled to each other may be rewrapped by another wrapper. At least one hole through which external air is introduced or internal gas is discharged may be formed in the wrapper.
  • the heater unit 13 may be located to heat the first filter segment 21, and the second heater unit 14 may be located to heat the cavity segment 23.
  • the first heater unit 13 and the second heater unit 14 may be driven in a form of being reheated when they are out of a set range after being initially preheated.
  • the heating temperature range described above is a range of the temperature profile to which the above-described heating method is applied, and since the temperature may gradually drop when not heated, the heater unit is not necessarily driven to be maintained at a specific temperature. Nevertheless, a certain level of heat may be applied so that the temperature may be maintained as much as possible within the heating temperature range.
  • the first heater unit 13 that heats the first filter segment 21 may be driven in a smoky mode or a smokeless mode.
  • the first heater unit 13 in the smoky mode, the first heater unit 13 is heated to maintain a temperature range of 180°C to 240°C, and in the smokeless mode, the first heater unit 13 is not heated.
  • the temperature range may be adjusted to 180°C or higher, 190°C or higher, or 200°C or higher, or 240°C or lower, 230°C or lower, or 220°C or lower.
  • the temperature range in the smoky mode is a set temperature such that while a user smokes one aerosol generating article 20, the supplemented aerosol or visible smoke may be sufficiently perceived, and the aerosol or visible smoke may be maintained until the smoking ends.
  • the aerosol or the visible smoke may be exhausted before smoking is finished, and then the paper material without the aerosol forming agent may be directly heated and the smoking taste may be reduced.
  • the second heater unit 14 for heating the cavity segment 22 may be driven in one of a strong mode, a medium mode, and a weak mode.
  • the strong mode the second heater unit is heated to maintain a temperature range of 200°C to 260°C
  • the medium mode the second heater unit is heated to maintain a temperature range of 160°C to 200°C
  • the weak mode the second heater unit is heated to maintain a temperature range of 150°C to 180°C.
  • the temperature range in the strong mode may be adjusted to 200°C or higher, 250°C or higher, or 210°C or higher, or 260°C or lower, 255°C or lower, or 250°C or lower.
  • the temperature range in the medium mode may be adjusted to 160°C or higher, 165°C or higher, or 170°C or higher, or 200°C or lower, 195°C or lower, or 190°C or lower.
  • the temperature range in the weak mode may be adjusted to 150°C or higher, 155°C or higher, or 160°C or higher, or 180°C or lower, 175°C or lower, or 170°C or lower.
  • the temperature ranges of the strong mode, medium mode, and weak mode are set to be adjustable according to the user's preference within a range in which tobacco components such as nicotine are transferred to some extent and problems such as burnt taste due to overheating do not occur, and in the strong mode, the medium mode, and the weak mode, the composition of the tobacco components in the aerosol is clearly distinguished, so a user may implement various smoking sensations even with one aerosol generating apparatus 10 and aerosol generating article 20. As described above, since the heating in the aerosol generating apparatus 10 is not continuously performed throughout smoking, even if the temperature ranges in each mode partially overlap, when considering the overall temperature profile, each mode is clearly distinguished.
  • FIG. 1 illustrates that the aerosol generating apparatus 10 operates in the smoky mode
  • FIG. 2 illustrates that the aerosol generating apparatus 10 operates in the smokeless mode.
  • the second heater unit When the first heater unit is operated in the smoky mode, the second heater unit may be driven in all of the strong mode, the medium mode, and the weak mode, and when the first heater unit is operated in the smokeless mode, the second heater unit may be driven only in the strong mode.
  • the transfer amount of the tobacco component from the tobacco material is very low, and the user may not feel the smoking sensation at all in the medium mode and the weak mode.
  • the first heater unit When the first heater unit is switched from the smoky mode to the smokeless mode, since there is a heating temperature of the first heater unit in the smoky mode, when the first heater unit drops to a temperature of less than 100°C, less than 80°C, or less than 60°C, if the second heater unit is in the other mode, the second heater unit is switched to the strong mode.
  • the aerosol generating apparatus 10 further includes a switch that is disposed on an outer wall surface of the housing.
  • the switch sets the smoky mode or the smokeless mode for the first heater unit and sets the strong mode, the medium mode, or the weak mode for the second heater unit.
  • the control unit may control the temperature of the first heater unit and the second heater unit.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP22813865.7A 2021-10-28 2022-10-14 Dispositif de génération d'aérosol comprenant une pluralité de dispositifs de chauffage et article de génération d'aérosol utilisé avec celui-ci Pending EP4193858A4 (fr)

Applications Claiming Priority (2)

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KR1020210145553A KR102693883B1 (ko) 2021-10-28 2021-10-28 복수의 히터를 구비한 에어로졸 발생 장치 및 이와 함께 사용되는 에어로졸 발생 물품
PCT/KR2022/015572 WO2023075236A1 (fr) 2021-10-28 2022-10-14 Dispositif de génération d'aérosol comprenant une pluralité de dispositifs de chauffage et article de génération d'aérosol utilisé avec celui-ci

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EP4193858A4 EP4193858A4 (fr) 2024-03-27

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US (1) US20240225126A1 (fr)
EP (1) EP4193858A4 (fr)
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KR (1) KR102693883B1 (fr)
CN (1) CN116367738A (fr)
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KR102615473B1 (ko) * 2021-10-28 2023-12-19 주식회사 케이티앤지 가향 카트리지를 포함하는 에어로졸 발생 장치

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EP2625974A1 (fr) * 2012-02-13 2013-08-14 Philip Morris Products S.A. Article de génération d'aérosol avec un composant de génération de saveur
SG11201507291XA (en) * 2013-03-15 2015-10-29 Philip Morris Products Sa Aerosol-generating system with differential heating
GB201612945D0 (en) * 2016-07-26 2016-09-07 British American Tobacco Investments Ltd Method of generating aerosol
JP6967408B2 (ja) * 2017-09-07 2021-11-17 インテレクチュアルディスカバリーシーオー．，エルティーディー 無煙喫煙具
KR102343888B1 (ko) * 2018-01-31 2021-12-27 주식회사 케이티앤지 에어로졸 발생 시스템
US20190343179A1 (en) * 2018-05-10 2019-11-14 Rai Strategic Holdings, Inc. Control component for segmented heating in an aerosol delivery device
WO2020039589A1 (fr) * 2018-08-24 2020-02-27 日本たばこ産業株式会社 Générateur de composant d'aspiration, procédé de commande de générateur de composant d'aspiration et programme associé
KR20240105498A (ko) * 2019-03-11 2024-07-05 니코벤처스 트레이딩 리미티드 에어로졸 생성 디바이스
KR20210036716A (ko) * 2019-09-26 2021-04-05 주식회사 케이티앤지 복수의 에어로졸 생성기질로 에어로졸을 생성하는 에어로졸 생성 시스템 및 그 장치
KR102479092B1 (ko) * 2020-02-24 2022-12-19 주식회사 케이티앤지 에어로졸 생성 장치
KR20210145553A (ko) 2020-05-25 2021-12-02 삼성전자주식회사 발광 소자, 광원 모듈 및 발광 소자 제조 방법

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US20240225126A1 (en) 2024-07-11
JP2024538889A (ja) 2024-10-28
WO2023075236A1 (fr) 2023-05-04
KR20230060873A (ko) 2023-05-08
CN116367738A (zh) 2023-06-30
KR102693883B1 (ko) 2024-08-08
EP4193858A4 (fr) 2024-03-27

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