Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of 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 OF 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 OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of 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 OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/06—Use of materials for tobacco smoke filters
  • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
  • A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/06—Use of materials for tobacco smoke filters
  • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Definitions

• the present invention relates to a smoking article capable of providing users with a more improved smoking experience by applying lyocell tow to a support structure of the smoking article, thereby preventing the support structure from melting due to the high temperature applied to heat the smoking article.
• the transfer of tobacco components e.g., nicotine, tar
• the generation of an atomized aerosol have a significant impact on the user's smoking experience.
• the smoking articles operate by heating a stick to a high temperature of approximately 150 to 300°C using a device and transferring the heated heat to a medium portion so that the tobacco components such as nicotine and the like can be smoothly transferred as the temperature of the medium portion rises.
• substances such as glycerin and the like are heated to generate vapor, and the tobacco components contained in the vapor are transferred so that the user can inhale the tobacco components.
• the device is set to a temperature below the boiling point of glycerin, there is a problem in that the transfer of tobacco components is limited because vapor is not generated smoothly.
• CA cellulose acetate
• One object of the present invention is to provide a smoking article including: a medium portion, a support structure, a cooling structure, and a mouthpiece portion, wherein by configuring the support structure with lyocell tow composed of a plurality of lyocell fibers, deformation of the support structure, which is caused by heat transferred from a heater configured to heat the smoking article or an aerosol generated within the smoking article, may be prevented or minimized due to the excellent heat resistance of the lyocell tow.
• Another object of the present invention is to provide a smoking article including: a medium portion, a support structure, a cooling structure, and a mouthpiece portion, wherein by configuring the support structure with lyocell tow composed of a plurality of lyocell fibers, an amount of moisture transferred during smoking may be effectively reduced due to the excellent moisture affinity of the lyocell tow, thereby reducing the feeling of heat felt by the user and maximizing the cooling effect.
• Still another object of the present invention is to provide a smoking article including: a support structure, which includes lyocell tow composed of a plurality of lyocell fibers, and a binder, a medium portion, a cooling structure, and a mouthpiece portion, wherein appropriate hardness may be imparted to the lyocell tow through a binder, thereby stably maintaining the shape even when the support structure is a tubular structure composed of lyocell tow.
• the support structure may further include at least one binder dispersed in the lyocell tow.
• a “longitudinal direction” may refer to a direction corresponding to the longitudinal axis of a smoking article.
• the “longitudinal axis” of the smoking article may refer to an imaginary line that extends along the main longitudinal direction of the smoking article. This axis typically runs from one end of the smoking article (e.g., the mouthpiece or filter end) to the opposite end (e.g., the combustion or heat source end).
• a "lyocell filter” refers to a filter including or composed of lyocell tow.
• lyocell tow includes or is composed of a plurality of lyocell fibers.
• the lyocell tow may refer to a bundle formed by cross-linking adjacent lyocell fibers.
• lyocell fiber may refer to a fiber made of lyocell cellulose.
• the lyocell fiber may be a fiber made of cellulose derived from or mainly derived from wood pulp, particularly a semi-synthetic fiber.
• a "reconstituted tobacco leaf” refers to a tobacco leaf reconstituted from tobacco materials.
• a "reconstituted tobacco leaf” or “reconstituted tobacco sheet” may refer to a sheet made by combining tobacco by-products selected from the group consisting of stems, dust, particulates and a combination thereof with a binder.
• the reconstituted tobacco leaf is a homogenized tobacco leaf.
• a “hollow” may refer to a channel extending along in the longitudinal direction.
• a "recessed filter” may refer to a filter including one or more pores.
• the "wrapping" of a medium portion, a support structure, a cooling structure, and/or a mouthpiece portion by a wrapper may refer to at least a portion of the peripheral surface along the longitudinal axis of the medium portion, the support structure, the cooling structure, and/or the mouthpiece portion being surrounded by the wrapper.
• the hardness of the support structure is a value obtained by quantifying the degree to which the diameter of the support structure is maintained when the support structure is pressed with a certain level of force in a direction perpendicular to the longitudinal direction of the support structure, and may be the percentage of the diameter of the support structure after the force is applied compared to the diameter of the support structure before the force is applied.
• the hardness (%) of the support structure may be calculated as (D-a)/D ⁇ 100%.
• D represents the diameter of the support structure
• a represents the distance the support structure moves downward due to a 300 g weight (i.e., when the support structure is pressed).
• the measured value necessary for calculating the hardness may be obtained using, for example, DHT 200 TM of Filtrona.
• the force applied to the support structure may be considered to be a value equivalent to the force applied when an actual user holds a smoking article.
• a filter of the smoking article may collect at least a portion of smoke components generated when the smoking article is smoked.
• the filter of the smoking article may collect the total particulate matter (hereinafter, may be abbreviated as "TPM") including at least a portion of at least one of nicotine (hereinafter, may be abbreviated as "Nic”), tar, propylene glycol (hereinafter, may be abbreviated as "PG”), and glycerin (hereinafter, may be abbreviated as "Gly”) included in the smoke components generated when the smoking article is smoked.
• TPM total particulate matter
• Nic nicotine
• PG propylene glycol
• Gly glycerin
• resistance to draw refers to a difference in static pressure between both ends of a sample when an airflow passes through the sample.
• PDC refers to a value obtained by measuring the resistance to draw in a state in which the medium portion is open, the perforations of the filter portion are blocked, and the inflow of outside air is blocked
• PDO refers to a value obtained by measuring the resistance to draw in a state in which the medium portion is open, the perforations of the filter portion are not blocked, and the inflow of outside air is allowed.
• the resistance to draw may be measured using the method specified in ISO standard 6565:2015.
• the resistance to draw may refer to a difference in static pressure between both ends of the sample when an airflow passes through the sample by under normal conditions (22 ⁇ 2 °C and 60 ⁇ 5% relative humidity) with a volume flow rate of 17.5 mm/s at the discharge end.
• an organic acid is a general term for organic compounds that are acidic.
• room temperature may refer to 20 °C to 25 °C.
• component % and “component proportion” refer to the % by weight of the component and the weight proportion of the component, respectively.
• puff refers to an action of drawing or inhaling the air through a smoking article to produce and inhale smoke or vapor.
• puff count may refer to the total number of drawing and inhalation actions during use of the smoking article. Alternatively or additionally, the puff count may represent the maximum number of drawing and inhalation actions that the smoking article can provide before it is completely consumed or ceases to function.
• Health Canada (HC) conditions may include a puff volume of 55 ml, a puff frequency of 30 seconds, and a puff duration of 2 seconds.
• the HC conditions may be based on a state in which the perforations of a filter are blocked. In measurement under the HC conditions, the puff count may be 9.
• the "ventilation rate (hereinafter, may be abbreviated as "Vent")" of a smoking article may be defined as the ratio (expressed as a percentage) of the total volume flow rate (e.g., mL/s) of air entering the smoking article without burning or heating through the front region, that is, the longitudinal upstream end, of the smoking article to the total volume flow rate (e.g., mL/s) of air at the outlet, that is, the longitudinal downstream end, of the smoking article.
• the ventilation rate may be measured according to ISO 9512:2019.
• a Cambridge filter (Cambridge filter pad (CFP)) on which the smoke components are collected is immersed in methanol for a predetermined time (for example, 2 hours to 16 hours), treated using a shaker device, and then passed through a polytetrafluoroethylene (PTFE) syringe filter to remove impurities. Thereafter, the content of the components included in the total particulate matter (TPM) of the collected smoke may be measured using a GC/MS device.
• the immersion time may be 20 minutes or more, particularly for tar or nicotine, and 2 hours or more for PG and Gly.
• the GC/MS may be, for example, a measuring device from Agilent.
• FIG. 1 is a diagram schematically showing a smoking article according to one embodiment of the present invention
• FIG. 2 is a diagram schematically showing a smoking article according to another embodiment of the present invention.
• a smoking article 100 may include a medium portion 110, a support structure 120, and a cooling structure 130.
• the smoking article 100 may further include a mouthpiece portion 140 and/or a wrapper 150.
• the smoking article 100 may include a medium portion 110, a cooling structure 130 arranged to be spaced apart from the medium portion 110 at one side of the medium portion 110, and a support structure 120 arranged between the medium portion 110 and the cooling structure 130.
• the cooling structure 130 may be arranged to be spaced apart from one end of the medium portion 110 along the longitudinal direction of the medium portion 110.
• the smoking article 100 may further include a mouthpiece portion 140 arranged on one side (i.e., downstream) of the support structure 120 with the cooling structure 130 interposed therebetween. That is, the smoking article 100 may further include a mouthpiece portion 140 arranged in an opposite direction of the support structure 120 with respect to the cooling structure 130.
• the smoking article 100 may further include a wrapper 150 configured to wrap around at least a portion of the medium portion 110, the support structure 120, the cooling structure 130, and the mouthpiece portion 140. That is, the smoking article 100 may be arranged in the order of the medium portion 110, the support structure 120, the cooling structure 130, and optionally the mouthpiece portion 140 along the longitudinal direction of the smoking article 100.
• the medium portion 110 may include an aerosol-forming substrate. Since the medium portion 110 includes the aerosol-forming substrate, the medium portion 110 may generate an aerosol when heated.
• the medium portion 110 may have a length of approximately 10 mm to 14 mm (for example, 12 mm), but the present invention is not limited thereto.
• the medium portion 110 may be inserted into an aerosol generation device to generate an aerosol when heated.
• the generated aerosol e.g., mainstream smoke
• the generated aerosol may be inhaled through the user's oral region.
• the aerosol-forming substrate may include a reconstituted tobacco sheet and/or shredded leaf tobacco.
• the aerosol-forming substrate or the medium portion 110 may include at least one humectant.
• the humectant may include glycerin and/or propylene glycol, but the present invention is not limited thereto.
• the aerosol-forming substrate or the medium portion 110 may contain at least one flavoring agent (or, as may be referred to a "flavoring material”) and/or other additives such as an organic acid.
• the flavoring agent may include licorice, sucrose, fructose syrup, an artificial sweetener (e.g., Isosweet TM ), cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, mint oil, cinnamon, caraway, cognac, jasmine, chamomile, menthol, ylang ylang, sage, spearmint, ginger, coriander, and/or coffee, but the present invention is not limited thereto.
• the support structure 120 is located downstream (on one side) of the medium portion 110, and the upstream side of the support structure 120 may come into contact with the downstream side of the medium portion 110.
• the support structure 120 may function as a support member for the medium portion 110.
• the support structure 120 may function to prevent the medium portion 110 from moving downstream.
• the support structure 120 may also serve as a passage for aerosol (e.g., mainstream smoke) formed in the medium portion 110.
• the support structure 120 includes a tubular structure having a hollow 120H formed therein, and the hollow 120H may function as a channel for the aerosol (i.e., through which the aerosol moves).
• the hollow 120H may extend along the longitudinal direction of the support structure 120.
• the hollow 120H is located at the center of a cross-section perpendicular to the longitudinal direction of the support structure 120 and may extend along the longitudinal direction of the support structure 120.
• the hollow 120H and the support structure 120 may have a coaxial structure along the longitudinal direction.
• the support structure 120 may have a length of approximately 8 mm to 12 mm (for example, 10 mm), but the present invention is not limited thereto. In some embodiments, the length of the support structure 120 may be shorter than or equal to the length of the cooling structure 130 described below, but the present invention is not limited thereto.
• the downstream end of the tubular structure included in the support structure 120 may come into contact with the upstream end of the tubular structure included in the cooling structure 130.
• one end located on one side (downstream) of the support structure 120 may come into contact with an end located on the other side (upstream) opposite to the one side of the cooling structure 130, and the other end located on the other side (upstream) of the support structure 120 may come into contact with one side end of the medium portion 110.
• the aerosol formed in the medium portion 110 may move toward the mouthpiece portion 140 (i.e., in the downstream direction) through the hollow 120H or 130H.
• the support structure 120 may effectively prevent the medium portion 110 from moving in a downstream direction when a heating element is inserted, and may also provide filtration and cooling effects for the aerosol.
• the support structure 120 may be composed of lyocell tow including a plurality of lyocell fibers.
• the lyocell tow constituting the support structure 120 may have a tube shape having a hollow 120H formed therein.
• the lyocell fibers included in the support structure 120 are environmentally-friendly fibers made of cellulose extracted from wood pulp.
• the lyocell tow may refer to a bundle formed by cross-linking adjacent lyocell fibers.
• the support structure 120 When the support structure 120 is composed of lyocell tow that does not melt even at high temperatures, deformation of the support structure 120 caused by heat applied to heat the smoking article 100 and/or high-temperature aerosol passing through the hollow 120H of the support structure 120 may be minimized due to the high heat resistance characteristics of the lyocell tow. Accordingly, the support structure 120 may maintain its shape while smoking, so that the smoke components passing through the hollow 120H of the support structure 120 may also be maintained uniformly without variation depending on the smoking time, thereby providing a more improved smoking experience to the user.
• the support structure 120 may have an outer diameter of approximately 6 mm to 10 mm, preferably 6.1 mm to 9 mm, more preferably 6.2 mm to 8 mm, even more preferably 6.3 mm to 7.8 mm, even more preferably 6.4 mm to 7.6 mm, even more preferably 6.6 mm to 7.4 mm, even more preferably 6.8 mm to 7.2 mm, and even more preferably 7 mm.
• the inner diameter of the support structure 120 may be an appropriate value selected within the range of approximately 2 mm to 5.5 mm, preferably 2.1 mm to 5 mm, more preferably 2.2 mm to 4.5 mm, and even more preferably 2.5 mm to 4 mm, but the present invention is not limited thereto.
• the inner diameter of the support structure 120 i.e., the diameter of the hollow 120H
• the inner diameter of the support structure 120 may be 10% to 90%, preferably 20% to 80%, more preferably 25% to 75%, even more preferably 30% to 70%, and even more preferably 35% to 65% of the outer diameter of the support structure 120, but the present invention is not limited thereto.
• the lyocell fibers may have a Y-shaped cross-section with three protrusions branching from the center thereof, a cross-shaped cross-section with four protrusions, and/or a star-shaped cross-section with five protrusions, or may also have an O-shaped cross-section, but the present invention is not limited thereto.
• the support structure 120 may further include at least one binder dispersed in the lyocell tow constituting the cooling structure 130.
• the binder may be dispersed over the entire region of the lyocell tow constituting the support structure 120.
• the binder may function to impart appropriate hardness to the support structure 120 by binding between a plurality of lyocell fibers constituting the lyocell tow.
• lyocell does not have a plasticizer material that hardens lyocell fibers, so by adding a binder instead, appropriate hardness may be imparted to the support structure 120. That is, when the support structure 120 further includes at least one binder, excellent hardness may be achieved even though the support structure 120 is a structure composed of lyocell tow.
• the binder may include at least one of a cellulose-based binder, a vinyl-based binder, a polyester-based binder, a dextrin-based binder, a starch-based binder, guar gum, xanthan gum, gum arabic, carrageenan, konjac, and agar, but is not limited thereto as long as the binder is a material capable of binding between a plurality of lyocell fibers to impart appropriate hardness.
• the cellulose-based binder may include hydroxypropyl methyl cellulose (HPMC), ethyl cellulose (EC), methyl cellulose (MC), carboxymethyl cellulose (CMC), and the like
• the vinyl-based binder may include polyvinyl pyrrolidone (PVP), polyvinyl alcohol (PVA), ethylene vinyl acetate (EVAc), and the like
• the polyester-based binder may be a polyester including one or more selected from the group consisting of alkylenes, arylenes, and heteroarylenes having 5 to 12 carbon atoms
• the dextrin-based binder may include dextrin and the like
• the starch-based binder may include starch (for example, tapioca, corn, wheat, potato, sweet potato, and the like), cationic starch, esterified starch, and the like, but the present invention is not limited thereto.
• the binder may include at least one of a polyester including one or more selected from the group consisting of alkylenes, arylenes, and heteroarylenes having 5 to 12 carbon atoms, hydroxypropyl methyl cellulose (HPMC), ethyl cellulose (EC), methyl cellulose (MC), carboxymethyl cellulose (CMC), polyvinyl pyrrolidone (PVP), polyvinyl alcohol (PVA), ethylene vinyl acetate (EVAc), dextrin, tapioca starch, corn starch, wheat starch, potato starch, sweet potato starch, cationic starch, esterified starch, guar gum, xanthan gum, gum arabic, carrageenan, konjac, and agar.
• a polyester including one or more selected from the group consisting of alkylenes, arylenes, and heteroarylenes having 5 to 12 carbon atoms, hydroxypropyl methyl cellulose (HPMC), ethyl cellulose (EC),
• the smoking article 100 may have the effect of effectively reducing an amount of moisture transferred during smoking due to the superior moisture affinity characteristics of lyocell tow compared to cellulose acetate tow, thereby reducing the feeling of heat felt by the user and maximizing the cooling effect.
• a heating-type cigarette (as a smoking article of Example 1) having a structure, which includes a medium portion having a length of 12 mm, a support structure having a length of 10 mm, a cooling structure composed of a paper tube having an inner diameter of 6 mm and a length of 14 mm, and a mouthpiece portion composed of cellulose acetate tow and having a length of 12 mm, was manufactured, and the resistance to draw was measured. The results are shown in Table 1.
• PDC may refer to a value obtained by measuring the resistance to draw in a state in which the medium portion is open, the perforations of the filter portion are blocked, and the inflow of external air is blocked
• PDO may refer to a value obtained by measuring the resistance to draw in a state in which the medium portion is open, the perforations of the filter portion are not blocked, and the inflow of external air is allowed.
• a heating-type cigarette was manufactured in the same manner as in Example 1, except that the support structure was manufactured using a cellulose acetate material, and the resistance to draw was measured. The results are shown in Table 1 below.
• the smoking articles including lyocell tow and cellulose acetate, respectively, as a material constituting the support structure had similar physical properties, and similar levels of the ventilation rate (VR) and draw resistance, which may be associated with heat resistance and cooling during smoking, were exhibited.
• VR ventilation rate
• draw resistance which may be associated with heat resistance and cooling during smoking
• the medium portions of the smoking articles according to Comparative Example 1 and Example 1 were heated to a heating temperature of 190°C to 280°C using an external heating method, and the moisture content (as the moisture transfer amount) in the generated smoke was measured.
• the results are listed in Table 2 below.
• the smoking articles of Example 1 and Comparative Example 1 have similar physical properties, but the moisture content of the mainstream smoke is lower in the smoking article of Example 1 than in the smoking article of Comparative Example 1. That is, since the smoking article of Example 1 has a lower moisture transfer amount in the mainstream smoke compared to the smoking article of Comparative Example 1, it can be seen that the feeling of heat (i.e., hot feeling) transmitted to the user through the mainstream smoke during smoking is lower in the smoking article of Example 1 having a support structure composed of a lyocell material than in the smoking article of Comparative Example 1 having a support structure composed of cellulose acetate.
• the smoking article of Example 1 in which the support structure is composed of the lyocell material, has the superior effect of reducing the feeling of heat felt by the smoker during smoking compared to the smoking article of Comparative Example 1, in which the support structure is composed of the cellulose acetate material.
• the support structure of Example 1 has superior heat absorption performance compared to the support structure of Comparative Example 1, and has the advantage of being able to maintain the original shape without material deformation based on excellent heat resistance.
• a support structure of Example 2 having an inner diameter of approximately 2.8 mm and a circumference of 22.8 mm and a support structure of Example 3 having an inner diameter of approximately 3.8 mm and a circumference of approximately 22.8 mm were each manufactured.
• a smoking article having a structure including a medium portion having a length of 12 mm, the support structure of Example 2 or 3 having a length of 10 mm, a cooling structure composed of a paper tube and having an inner diameter of 6 mm and a length of 14 mm, and a mouthpiece portion composed of cellulose acetate tow and having a length of 12 mm was manufactured as in the smoking article 100 shown in FIG. 1 , and the physical properties of the smoking articles were measured. The results are listed in Table 3 below.
• the medium portion of each of the smoking articles according to Examples 2 and 3 was heated to a heating temperature of 190°C to 280°C using an external heating method, and the total particulate matter (TPM), nicotine components, moisture contents, and the like were measured.
• TPM total particulate matter
• this experiment was conducted on the smoking articles according to Examples 2 and 3 in a smoking room having an internal temperature of approximately 22 ⁇ 2°C and an internal relative humidity of approximately 60 ⁇ 5% (specifically, a temperature of approximately 21.9°C and a relative humidity of 64.3%).
• the experiment was conducted under smoking conditions, that is, HC conditions (Puff volume: 55 mL/Puff frequency: 30 s/Puff duration: 2 s/Puff count: 9 puffs).
• the generated smoke was collected on a Cambridge filter (i.e., a Cambridge filter pad (CFP)), and analyzed.
• the total particulate matter (TPM) is a value obtained by measuring the change in weight of the Cambridge filter before and after smoking using a smoking device.
• Example 2 in which the inner diameter of the support structure is 2.8 mm is 21.74 mg
• the moisture transfer amount of Example 3 in which the inner diameter of the support structure is 3.8 mm is 19.49 mg
• Example 3 has a smaller moisture transfer amount than Example 2, and thus the larger the inner diameter of the tubular structure, the better the effect of reducing the user's feeling of heat.
• FIGS. 4 to 6 show various types of aerosol generation devices to which smoking articles according to some embodiments of the present disclosure may be applied.
• FIG. 4 is an exemplary block diagram showing a cigarette-type aerosol generation device 1000
• FIGS. 5 and 6 are exemplary configuration diagrams showing a hybrid-type aerosol generation device 1000 in which a liquid and cigarette are used together.
• the aerosol generation device 1000 will be briefly described.
• the aerosol generation device 1000 may be a device configured to generate an aerosol through a cigarette 2000 inserted into an internal space.
• the cigarette 2000 may correspond to the smoking article 100 described above.
• the cigarette 2000 may include the medium portion 110, the support structure 120, and the cooling structure 130 described above. More specifically, when the cigarette 2000 is inserted into the aerosol generation device 1000, the aerosol generation device 1000 may operate the heater portion 1300 to generate an aerosol from the cigarette 2000. The generated aerosol may be delivered to the user through the cigarette 2000.
• the aerosol generation device 1000 may include a battery 1100, a controller 1200, and a heater portion 1300. However, only components related to the embodiments of the present disclosure are shown in FIG. 4 . Therefore, a person skilled in the art to which the present disclosure pertains may understand that other general-purpose components may be further included in addition to the components shown in FIG. 4 .
• the aerosol generation device 1000 may further include a display capable of outputting visual information and/or a motor configured to output tactile information, and/or at least one sensor (such as a puff detection sensor, a temperature detection sensor, and/or a cigarette insertion detection sensor).
• a display capable of outputting visual information and/or a motor configured to output tactile information
• at least one sensor such as a puff detection sensor, a temperature detection sensor, and/or a cigarette insertion detection sensor.
• the battery 1100 supplies power used to operate the aerosol generation device 1000.
• the battery 1100 may supply power to heat the heater portion 1300, and may supply power required for the controller 1200 to operate.
• the battery 1100 may supply power required for the display, sensor, motor, and the like (not shown) installed in the aerosol generation device 1000 to operate.
• the controller 1200 may control the overall operation of the aerosol generation device 1000.
• the controller 1200 may control the operation of not only the battery 1100 and the heater portion 1300, but also other components that may be included in the aerosol generation device 1000.
• the controller 1200 may also check the status of each of the components of the aerosol generation device 1000 to determine whether the aerosol generation device 1000 is in an operable state.
• the controller 1200 may include at least one processor.
• the processor may be implemented as an array of multiple logic gates, or may be implemented as a combination of a general-purpose microprocessor and a memory in which a program that may be executed on the microprocessor is stored. Also, it will be understood by those skilled in the art to which the present disclosure pertains that the processor may be implemented as other types of hardware.
• the heater portion 1300 may heat the cigarette 2000 using power supplied from the battery 1100.
• a heating element of the heater portion 1300 may be inserted into a portion of the inner region of the cigarette 2000 to increase the temperature of an aerosol-forming substrate in the cigarette 2000.
• the heater portion 1300 may alternatively or additionally include an external heating element, unlike that shown in FIG. 4 .
• the heating element of the heater portion 1300 may be arranged on the outside of the cigarette 2000 inserted into the device 1000.
• the heater portion 1300 may also include a plurality of heating elements.
• the heater portion 1300 may include a plurality of internal heating elements or a plurality of external heating elements.
• the heater portion 1300 may include one or more internal heating elements and one or more external heating elements.
• the heating elements may include or may be composed of an electrically resistant material and/or any material capable of induction heating.
• the present invention is not limited thereto, and any material may be used as long as it may be heated to a desired temperature under the control of the controller 1200.
• the desired temperature may be preset in the aerosol generation device 1000 or may be set by the user.
• FIG. 4 shows that the battery 1100, the controller 1200, and the heater portion 1300 are arranged in a row along the longitudinal direction
• the inner structure of the aerosol generation device 1000 is not limited to the example shown in FIG. 4 .
• the arrangement of the battery 1100, the controller 1200, and the heater portion 1300 may vary depending on the design of the aerosol generation device 1000.
• a hybrid-type aerosol generation device 1000 will be described with reference to FIGS. 5 and 6 .
• the description of overlapping components (1100, 1200, 1300) will be omitted.
• the aerosol generation device 1000 may further include a vaporizer 1400.
• the vaporizer 1400 may be used interchangeably with terms such as cartomizer or atomizer in the relevant technical field.

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