WO2021100110A1 - 霧化ユニット及び非燃焼加熱型香味吸引器具 - Google Patents
霧化ユニット及び非燃焼加熱型香味吸引器具 Download PDFInfo
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- WO2021100110A1 WO2021100110A1 PCT/JP2019/045225 JP2019045225W WO2021100110A1 WO 2021100110 A1 WO2021100110 A1 WO 2021100110A1 JP 2019045225 W JP2019045225 W JP 2019045225W WO 2021100110 A1 WO2021100110 A1 WO 2021100110A1
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- flow path
- aerosol flow
- aerosol
- atomization unit
- tank
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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
- A24F40/48—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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/42—Cartridges or containers for 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
- A24F40/10—Devices using liquid inhalable precursors
Definitions
- the present invention relates to an atomization unit and a non-combustion heating type flavor suction device.
- a flavor suction device for sucking a flavor without burning the material.
- An example of such a flavor suction device is to supply an aerosol produced by atomizing a flavor-containing liquid (aerosol source) to the user's mouth, or to atomize an aerosol produced by atomizing a flavor-free liquid.
- the aerosol is supplied to the user's mouth after passing through a flavor source (for example, a tobacco source).
- Such a flavor suction device generally includes an atomization unit, a power supply, a tank, an aerosol flow path, a mouthpiece, and the like.
- the atomization unit includes a heating element or the like that atomizes the aerosol source.
- the power supply is configured to power the atomization unit.
- the tank stores the aerosol source.
- the aerosol flow path is a flow path through which the aerosol generated by the atomization unit atomizing the aerosol source passes. The aerosol that has passed through the aerosol flow path reaches the user's mouth via the mouthpiece.
- the aerosol generated from the atomization unit may aggregate on the wall surface defining the aerosol flow path to form droplets. If the use of the flavor suction device is further continued, agglomerated droplets may accumulate in columns in the aerosol flow path. The columnar droplets may move toward the mouthpiece side as the user's flavor suction device is sucked and reach the user's mouth, causing discomfort to the user.
- Patent Document 1 discloses an electronic cigarette for sucking an aerosol.
- a porous body is arranged in the aerosol flow path to absorb the agglomerated liquid in the aerosol flow path.
- the present invention has been made in view of the above-mentioned conventional problems.
- the purpose is to prevent droplets formed by agglomeration of aerosols from reaching the user's mouth in the aerosol flow path.
- an atomization unit configured to atomize the aerosol source, a tank holding the aerosol source, and an aerosol generated by atomizing the aerosol source pass through and in the first direction. It has a wall portion that defines at least a part of the aerosol flow path extending to. At least a part of the wall portion constitutes a part of the side wall of the tank.
- the aerosol flow path includes a first aerosol flow path and a second aerosol flow path that communicates with the downstream side of the first aerosol flow path.
- the atomization unit is further provided in the second aerosol flow path and extends from the boundary between the first aerosol flow path and the second aerosol flow path toward the downstream side of the second aerosol flow path.
- the wall portion has a flat surface portion parallel to the second direction orthogonal to the first direction at the boundary between the first aerosol flow path and the second aerosol flow path, and the liquid evacuation portion is the flat surface portion. Includes the space defined by.
- the ratio of the cross-sectional area of the second aerosol flow path and the liquid evacuation portion in the second direction to the cross-sectional area of the first aerosol flow path in the second direction is more than 1 and 4.0 or less.
- a non-combustion heating type flavor suction device has the atomization unit and a power source for supplying electric power to the atomization unit.
- FIG. 4A It is a top view of the inner wall part of the tank which concerns on another embodiment. It is a top view of the inner wall part of the tank which concerns on another embodiment. It is a side sectional view of the inner wall part of the tank which concerns on another embodiment. It is a side sectional view of the inner wall part of the tank which concerns on another embodiment. It is a side sectional view of the inner wall part of the tank which concerns on another embodiment. It is a side sectional view of the inner wall part of the tank which concerns on another embodiment.
- FIG. 1 is an overall perspective view of the non-combustion heating type flavor suction device according to the present embodiment.
- the non-combustion heating type flavor suction device 100 has a reusable power supply unit 90 and a cartridge 10 that can be attached to the power supply unit 90.
- the power supply unit 90 has a power supply 92 inside thereof, and the power supply unit 92 is configured to supply electric power to the cartridge 10 attached to the power supply unit 90.
- the cartridge 10 has a vent 12 at its tip. The user can suck the aerosol produced by the non-combustion heating type flavor suction device 100 from the vent 12.
- FIG. 2 is an exploded perspective view of the cartridge 10 shown in FIG.
- the side facing the power supply unit 90 in a state where the cartridge 10 is attached to the power supply unit 90 may be referred to as a “rear end of the cartridge 10”.
- the side opposite to the rear end of the cartridge 10 may be referred to as the "tip of the cartridge 10.”
- the direction connecting the rear end and the tip of the cartridge 10 may be referred to as a "first direction”
- the direction orthogonal to the first direction may be referred to as a "second direction”.
- the cartridge 10 has a tank 30, an atomizing portion 14, an atomizing portion fixing member 16, a mouthpiece 18, and a cap 20.
- the tank 30 holds an aerosol source containing water, glycerin, propylene glycol, etc. inside the tank 30. Further, the tank 30 is provided with an atomization chamber 33 at a position near the rear end in the first direction.
- the atomizing unit 14 is configured to atomize the aerosol source supplied from the tank 30.
- the atomizing portion 14 is formed by a coil in which a resistance heating element is wound around the outer circumference of a tubular wick made of glass fiber or the like.
- the atomizing unit 14 includes electrical contacts as described later in connection with FIG. When the cartridge 10 is attached to the power supply unit 90, the electrode terminals of the power supply unit 90 and the electrical contacts of the atomization unit 14 are electrically connected, and power can be supplied from the power supply unit 90 to the atomization unit 14.
- the atomizing unit 14 has a tubular wick made of glass fiber or the like, a wick made of organic fiber (cellulose or the like), or a flat plate or tubular ceramic or the like. Porous material can be adopted as a wick.
- the resistance heating element for example, a metal such as nichrome or stainless steel or a non-metal such as carbon can be used.
- the heat generating resistor may be wound in a coil shape or may be arranged along the tubular wick.
- the resistance heating elements may be arranged linearly on the wick plane or may be arranged meanderingly.
- the atomizing unit 14 may be configured to atomize the aerosol source by ultrasonic waves or induction heating instead of the resistance heating element.
- the cartridge 10 may have a plurality of atomizing portions 14.
- the atomization chamber 33 is not limited to a position near the rear end in the first direction of the tank 30, and may exist at any position in the tank 30 or outside the tank 30. Further, the atomization chamber 33 may be defined by a member detachable from the tank 30.
- the cap 20 is attached to the rear end of the tank 30 in the first direction to protect the atomization chamber 33 of the tank 30 and is removed when the cartridge 10 is used.
- the atomizing portion fixing member 16 is fixed in the atomizing chamber 33 of the tank 30 while holding the atomizing portion 14. As a result, a part of the wick of the atomizing unit 14 comes into contact with the aerosol source held in the tank 30, and the aerosol source is supplied to the wick.
- the mouthpiece 18 is attached to the tip of the tank 30 in the first direction. Further, the mouthpiece 18 includes the vent 12 shown in FIG.
- FIG. 3 is a schematic side sectional view of the tank 30 shown in FIG. In FIG. 3, the atomizing portion fixing member 16 shown in FIG. 2 is not shown.
- the tank 30 has an upper wall portion 30a at the tip in the first direction, a bottom wall portion 30b at the rear end in the first direction, and an outer wall portion 30c constituting the outer peripheral surface thereof.
- the tank 30 includes an inner wall portion 34 (corresponding to an example of the wall portion) that defines at least a part of the aerosol flow path 32. That is, the tank 30 defines an aerosol flow path 32 extending in the first direction between the rear end and the tip of the tank 30 at a substantially central portion inside the tank 30 by the inner wall portion 34.
- the outer wall portion 30c and the inner wall portion 34 of the tank 30 are walls forming the side surface of the tank 30, and may also be a side wall.
- the side wall of the tank 30 means a wall having a function of holding an aerosol source in the tank 30 together with the upper wall portion 30a and the bottom wall portion 30b of the tank 30, and the upper wall portion 30a of the tank 30. Alternatively, it may or may not be integrally formed with the bottom wall portion 30b.
- the inner wall portion 34 defining the aerosol flow path 32 constitutes a part of the side wall of the tank 30. Not limited to this, at least a part of the aerosol flow path 32 may be defined by a wall portion made of a member different from the side wall of the tank 30.
- the atomizing unit 14 is fixed in the atomizing chamber 33 of the tank 30.
- the atomizing unit 14 includes a tubular wick 14a and a coil 14b wound around the wick 14a, and is arranged in the atomizing chamber 33 so that the wick 14a extends in the second direction.
- the wick 14a absorbs and retains the aerosol source held in the tank 30.
- the atomizing unit 14 further includes an electric contact 14c for supplying electric power to the coil 14b.
- the contacts of the power supply unit 90 and the electrical contacts 14c shown in FIG. 3 are electrically connected, and power is supplied to the coil 14b from the power supply unit 90.
- the coil 14b When electric power is supplied to the coil 14b, the coil 14b generates heat and atomizes the aerosol source held in the wick 14a to generate an aerosol.
- the aerosol generated in the atomization chamber 33 reaches the user's mouth through the vent 12 of the mouthpiece 18 through the aerosol flow path 32 as the user sucks. Therefore, the tank 30 and the atomizing unit 14 function as an atomizing unit for atomizing the aerosol source.
- the aerosol generated from the atomizing portion 14 aggregates on the wall surface of the inner wall portion 34 defining the aerosol flow path 32, and droplets are formed.
- agglomerated droplets may accumulate in a columnar shape in the aerosol flow path 32. The columnar droplets may move toward the mouthpiece 18 side with the suction of the non-combustion heating type flavor suction device 100 of the user, reach the mouth of the user, and cause discomfort to the user.
- the non-combustion heating type flavor suction device 100 has a liquid evacuation portion for retracting the droplets aggregated on the inner wall portion 34 from the aerosol flow path 32.
- FIG. 4A is a top view of the inner wall portion 34 of the tank 30 shown in FIG.
- FIG. 4B is a side sectional view of the inner wall portion 34 of the tank 30 in the arrow view BB of FIG. 4A. In FIGS. 4A and 4B, only the inner wall portion 34 of the tank 30 is shown as an excerpt.
- the aerosol flow path 32 defined by the inner wall portion 34 communicates with the first aerosol flow path 32a and the downstream side (that is, the tip end) of the first aerosol flow path 32a. It has a flow path 32b.
- the inner wall portion 34 is a first aerosol flow path wall portion 34a that defines at least a part of the first aerosol flow path 32a, and a second aerosol flow path wall that defines at least a part of the second aerosol flow path 32b. It has a part 34b and.
- the first aerosol flow path wall portion 34a and the second aerosol flow path wall portion 34b each form a part of the side wall of the tank 30.
- the second aerosol flow path wall portion 34b constitutes at least a part of the side wall of the tank 30, and the first aerosol flow path wall portion 34a is composed of a wall member different from the side wall of the tank 30. , May be located outside the tank 30.
- the cross-sectional shapes of the first aerosol flow path 32a and the second aerosol flow path 32b in the second direction are circular.
- the cross-sectional shape of the first aerosol flow path 32a in the second direction is the same as the cross-sectional shape of the second aerosol flow path 32b in the second direction.
- the first aerosol flow path 32a and the second aerosol flow path 32b have a constant cross-sectional shape and cross-sectional area in the first direction. That is, the cross-sectional shape and cross-sectional area of the first aerosol flow path 32a and the second aerosol flow path 32b do not change along the length direction thereof.
- the inner wall portion 34 includes a flat surface portion 40 parallel to the second direction at the boundary between the first aerosol flow path 32a and the second aerosol flow path 32b, and a pair of flat surface portions 40 extending from the flat surface portion 40 to the tip. It has a slit 42.
- the flat surface portion 40 and the slit 42 are located outside the second aerosol flow path 32b in the second direction.
- the inner wall portion 34 is provided with a pair of slits 42 so as to sandwich the second aerosol flow path 32b.
- the inner wall portion 34 may be provided with one or three or more slits 42.
- the inner wall portion 34 includes a corner portion 42a forming a slit 42 when viewed from the first direction.
- the tip of the slit 42 is open.
- the width W means the length including the diameter ⁇ of the second aerosol flow path 32b and the depth of the pair of slits 42, and the height H of the slits 42 is , The length of the slit 42 in the thickness direction.
- the cross-sectional shape of the slit 42 in the second direction is not limited to the shape shown in FIG. 4A.
- 4C and 4D are top views of the inner wall portion 34 of the tank 30 according to another embodiment.
- the cross-sectional shape of the corner portion 42a of the slit 42 in the second direction is formed in a rounded shape. That is, the corner portion 42a includes not only the 90-degree corner portion 42a but also the rounded corner portion 42a.
- the cross-sectional shape of the slit 42 in the second direction is formed in a semicircular shape.
- the slit 42 is not limited to the cross-sectional shape shown in FIGS. 4A, 4C, and 4D, and may have an arbitrary cross-sectional shape including a polygon such as a triangle.
- the aerosol generated from the atomizing portion 14 is the first aerosol flow path 32a and the second aerosol flow path defined by the inner wall portion 34 shown in FIGS. 4A and 4B. It passes through 32b. At this time, the aerosol may aggregate on the wall surface of the first aerosol flow path wall portion 34a or the second aerosol flow path wall portion 34b, and droplets may be formed.
- Droplets can be formed in columns in the aerosol flow path 32a. The columnar droplets move to the mouthpiece 18 side, that is, to the second aerosol flow path 32b side as the user sucks the non-combustion heating type flavor suction device 100.
- the columnar droplet reaches the second aerosol flow path 32b
- one of the droplets enters the space defined by the flat surface portion 40 formed at the boundary between the first aerosol flow path 32a and the second aerosol flow path 32b.
- the part evacuates. Since it is difficult for air to flow in the space near the flat surface portion 40, the flow velocity of the air passing through the flat surface portion 40 is smaller than the flow velocity of the second aerosol flow path 32b. Therefore, the droplets evacuated to the space defined by the flat surface portion 40 are less likely to move toward the mouthpiece 18, so that it is possible to prevent the droplets from reaching the user's mouth. That is, the space defined by the flat surface portion 40 functions as a part of the liquid evacuation portion in which the aggregated droplets evacuate from the second aerosol flow path 32b.
- the columnar droplets that have reached the second aerosol flow path 32b are also evacuated to the inside of the slit 42 extending from the flat surface portion 40.
- the droplet is no longer columnar and is located inside the slit 42, that is, in the space defined by the slit 42.
- the slit 42 includes the corner portion 42a as described above, the droplet is held by the corner portion 42a of the slit 42 by the capillary action. Since the slit 42 is located outside the first aerosol flow path 32a and the second aerosol flow path 32b in the second direction, the flow velocity of the air passing through the slit 42 is higher than the flow velocity of the second aerosol flow path 32b. Small.
- the droplets evacuated to the space defined by the slit 42 are less likely to move toward the mouthpiece 18, so that it is possible to prevent the droplets from reaching the user's mouth. That is, the space defined by the slit 42 functions as a liquid evacuation portion in which the agglomerated droplets evacuate from the second aerosol flow path 32b.
- the aerosol flow path 32 may be provided so as to extend to the side or the inside of the tank 30 as in the present embodiment. In this case, if the width or diameter of the aerosol flow path 32 is increased over the entire length, the space of the tank 30 is reduced accordingly, so that the volume of the tank 30 for storing the aerosol source is reduced.
- the non-combustion heating type flavor suction device 100 is provided in the second aerosol flow path 32b, and the second aerosol is provided from the boundary between the first aerosol flow path 32a and the second aerosol flow path 32b.
- a liquid evacuation portion extending downstream of the flow path 32b is provided.
- the non-combustion heating type flavor suction device 100 evacuates the space defined by the flat surface portion 40 and the space defined by the slit 42, particularly the space defined by the corner portion 42a. Prepare as a department.
- the space defined by the corner portion 42a has an excellent liquid retention capacity due to the action of capillary force, so that the liquid once reaching the liquid storage portion forms columnar droplets again in the first aerosol flow path 32a. Can be suppressed. Therefore, as compared with the case where the width or diameter of the aerosol flow path 32 is increased over the entire first direction of the inner wall portion 34, it is possible to suppress the decrease in the capacity of the tank 30 and prevent the droplets from reaching the user's mouth. can do. Further, in the present embodiment, it is possible to prevent the droplets from reaching the user's mouth without providing a separate member in the tank 30. As a result, it is possible to suppress an increase in member cost and the influence of providing a separate member.
- the flat surface portion 40 is parallel to the second direction, but is not limited to this.
- 4E and 4F are side sectional views of the inner wall portion 34 of the tank 30 according to another embodiment.
- the flat surface portion 40 is provided so as to be inclined with respect to the second direction.
- the flat surface portion 40 shown in FIG. 4B extends at a right angle to the first aerosol flow path wall portion 34a
- the flat surface portion 40 is the first aerosol flow path wall. It extends so as to be inclined at an obtuse angle with respect to the portion 34a.
- the flat surface portion 40 extends from the first aerosol flow path wall portion 34a toward the mouthpiece 18 side. Further, in the example shown in FIG. 4F, the flat surface portion 40 extends so as to be inclined at an acute angle with respect to the first aerosol flow path wall portion 34a. In other words, in the example shown in FIG. 4F, the flat surface portion 40 extends from the first aerosol flow path wall portion 34a toward the opposite side of the mouthpiece 18.
- the concave space S1 is determined by the flat surface portion 40 and the slit 42. The concave space S1 forms a part of the liquid evacuation portion, and has an excellent liquid holding ability due to the action of capillary force. Therefore, the concave space S1 can prevent the liquid that has reached the space S1 from forming columnar droplets again in the first aerosol flow path 32a.
- the aerosol flow path 32 is configured to extend to the inner center of the tank 30.
- the aerosol flow path 32 may be provided on the side of the tank 30, and the outer wall portion 30c of the tank 30 may function as a wall portion that defines at least a part of the aerosol flow path 32.
- 5A and 5B are schematic side sectional views showing a tank 30 according to another embodiment.
- the tank 30 and the atomizing portion 14 are housed in the housing 60, and the aerosol flow path 32 is formed on one side of the tank 30.
- the tank 30 and the atomizing portion 14 are housed in the housing 60, and aerosol flow paths 32 are formed on both sides of the tank 30.
- Arrows A1 and A2 in FIGS. 5A and 5B indicate the flow of air or aerosol through the housing 60.
- FIG. 6 is a top view of the inner wall portion 34 of the tank 30 used in Experimental Example 1.
- a predetermined amount of liquid is injected into the first aerosol flow path 32a defined by the inner wall portion 34 according to Examples 1 to 9 shown in FIG. 6 so as to form a columnar shape and sucked under predetermined conditions.
- the amount of liquid scattered from the second aerosol flow path 32b to the tip of the inner wall portion 34 was measured.
- the length of the first aerosol flow path 32a in the first direction is 10 mm
- the length of the second aerosol flow path 32b and the slit 42 in the first direction is 20 mm. did.
- the diameter ⁇ of the first aerosol flow path 32a and the second aerosol flow path 32b was set to 2 mm.
- the cross-sectional shapes of the second aerosol flow path 32b and the liquid evacuation portion (slit 42) of Examples 1, 4 and 7 in the second direction are square as a whole. Further, in Examples 2, 3, 5, 6, 8 and 9, the height H of the slit 42 is smaller than the diameter ⁇ in the second direction of the second aerosol flow path 32b.
- Comparative Example 1 the tank 30 provided with the inner wall portion 34 not provided with the liquid evacuation portion was designated as Comparative Example 1. That is, the inner wall portion 34 of Comparative Example 1 has the same shape as that of Examples 1 to 9 except that the slit 42 and the flat surface portion 40 are not provided.
- Table 1 shows the results of the experiment under the above conditions.
- the liquid evacuation portion area is the cross-sectional area of the slit 42 in the second direction, and does not include the cross-sectional area of the second aerosol flow path 32b. Further, in Table 1, (area of liquid evacuation portion + cross-sectional area of the second aerosol flow path in the second direction) / cross-sectional area of the first aerosol flow path in the second direction is the cross-sectional area of the second aerosol flow path 32b and the slit 42. The ratio of the cross-sectional area in the second direction to the cross-sectional area of the first aerosol flow path 32a in the second direction is shown. As shown in Table 1, the amount of droplets reached in each of Examples 1 to 9 is smaller than the amount of droplets reached in Comparative Example 1 not provided with the liquid evacuation portion. That is, by providing the liquid evacuation portion on the inner wall portion 34, the amount of droplets reaching can be reduced. Therefore, according to this experiment, it can be seen that the amount of droplets reached can be reduced when the above ratio is more than 1 and 4.0 or less.
- Example 1 the amount of droplets reached was 0.9, which was significantly reduced as compared with Comparative Example 1, but the area of the liquid evacuation portion, that is, the cross-sectional area of the slit 42 in the second direction was 8. It is 86 mm 2 , and the area of the liquid evacuation portion is larger than that of Examples 2 to 9. If the area of the liquid evacuation portion is large, the volume of the tank 30 may be affected. Therefore, according to this experiment, it can be seen that the above ratio is preferably about 3 or less.
- Examples 1-5 and 7 can significantly reduce the droplet arrival amount as compared with other examples. Therefore, according to this experiment, it can be seen that the above ratio is particularly preferable to be 1.5 or more.
- the outer surface shape of the inner wall portion 34 shown in FIG. 6 has the same diameter for the experiment. However, the outer surface shape of the inner wall portion 34 can be designed to correspond to the shapes of the second aerosol flow path 32b and the liquid evacuation portion.
- 7A and 7B are schematic views showing an inner wall portion 34 having an outer surface shape that does not correspond to the shapes of the second aerosol flow path 32b and the liquid evacuation portion.
- 7C and 7D are schematic views showing an inner wall portion 34 having an outer surface shape corresponding to the shapes of the second aerosol flow path 32b and the liquid evacuation portion.
- the outer surface shape of the inner wall portion 34 is similar to the cross-sectional shape of the second aerosol flow path 32b (that is, circular).
- the thickness of the inner wall portion 34 shown in FIG. 7A is relatively thin in the vicinity of the liquid evacuation portion (slit 42). Therefore, if the outer surface shape of the inner wall portion 34 is designed so that the inner wall portion 34 has sufficient strength in the thinnest portion, the thickness of the inner wall portion 34 becomes partially excessively thick. In the example of FIG. 7A, the inner wall portion 34 of the portion (upper and lower portions in the figure) defining the second aerosol flow path 32b is excessively thick.
- the outer surface shape of the inner wall portion 34 is rectangular.
- the outer surface shape of the inner wall portion 34 shown in FIG. 7A is shown by a broken line for reference.
- the thickness of the inner wall portion 34 shown in FIG. 7B is relatively thin in the vicinity of the liquid evacuation portion (slit 42), similarly to the inner wall portion 34 shown in FIG. 7A. Therefore, if the outer surface shape of the inner wall portion 34 is designed so that the inner wall portion 34 has sufficient strength in the thinnest portion, the thickness of the inner wall portion 34 becomes partially excessively thick.
- the inner wall portion 34 of the portion (upper and lower portions in the figure) defining the second aerosol flow path 32b is excessively thick.
- the outer surface shape of the inner wall portion 34 is elliptical.
- the outer surface shape of the inner wall portion 34 shown in FIG. 7A is shown by a broken line for reference.
- the inner wall portion 34 shown in FIG. 7C is designed so that the thickness in the vicinity of the liquid evacuation portion (slit 42) and the thickness of the portion defining the second aerosol flow path 32b (upper and lower portions in the drawing) are close to each other. Therefore, the area occupied by the outer surface shape of the inner wall portion 34 shown in FIG. 7C (the area of the ellipse in FIG. 7C) is the area occupied by the outer surface shape of the inner wall portion 34 shown in FIG.
- the outer surface shape of the inner wall portion 34 is a similar shape to the second aerosol flow path 32b and the liquid evacuation portion (slit 42).
- the outer surface shape of the inner wall portion 34 shown in FIG. 7A is shown by a broken line for reference.
- the area occupied by the outer surface shape of the inner wall portion 34 is smaller than the area occupied by the outer surface shape of the inner wall portion 34 shown in FIG. 7A (the area of the broken line circle in FIG. 7C). That is, the capacity of the tank 30 provided with the inner wall portion 34 shown in FIG. 7D can be increased as compared with the tank 30 provided with the inner wall portion 34 shown in FIG. 7A. Therefore, as shown in FIGS.
- the shape corresponding to the shapes of the second aerosol flow path 32b and the liquid evacuation portion has an outer surface shape similar to the cross-sectional shape of the second aerosol flow path 32b shown in FIG. 7A. It is a shape having a cross-sectional area smaller than the cross-sectional area of.
- Example 2 An experiment was conducted to evaluate the amount of droplets reached according to the length of the liquid evacuation section.
- the inner wall portion 34 (Example 10 and Example 11) in which the width W of the slit 42 is 3.0 mm and the height H is 1.5 mm, and the width W of the slit 42 is 4.5 mm and the height H.
- the inner wall portion 34 (Examples 12 and 13) having a size of 0.75 mm was prepared.
- the length of the slit 42 is set to 0 mm, 5 mm, 10 mm, 15 mm, and 20 mm with respect to the inner wall portion 34 of Examples 10 and 11, and the length of the slit 42 with respect to the inner wall portion 34 of Examples 12 and 13.
- FIG. 8 is a graph showing the evaluation results of Experimental Example 2.
- the plots of Examples 10 and 11 in which the liquid evacuation portion length is 0 mm show the evaluation results of the inner wall portion 34 having no liquid evacuation portion.
- the droplet arrival amount of Example 10 was about 19.2 mg
- the droplet arrival amount of Example 11 was about 13.3 mg. ..
- the amount of droplets reached can be reduced as compared with Examples 10 and 11, respectively, in which the liquid evacuation portion length is 0 mm.
- Example 10 when the length of the liquid evacuation part is 5 mm is about 14.3 mg
- the amount of droplets reached in Example 11 when the length of the liquid evacuation part is 5 mm is about 6. It was 0.4 mg. Therefore, from this experiment, it can be seen that the amount of droplets that reach can be reduced by the presence of the liquid evacuation portion.
- the amount of droplets reached from Example 1 to Example 4 having a liquid evacuation portion length of 10 mm was about 2.7 mg, about 1.3 mg, about 3.3 mg, and about 3.6 mg, respectively. Therefore, when the liquid evacuation portion length is 10 mm, the amount of droplets reached can be significantly reduced as compared with the case where the liquid evacuation portion length is 5 mm.
- the amount of droplets reached from Examples 1 to 4 having a liquid evacuation section length of 15 mm was about 1.2 mg, about 0.7 mg, about 2.8 mg, and about 0.6 mg, respectively.
- the amount of droplets reached from Examples 1 to 4 of 20 mm was about 1.1 mg, about 0.7 mg, about 0.4 mg, and about 0.5 mg, respectively. Therefore, by setting the length of the liquid evacuation portion to 10 mm or more, the amount of droplets that reach can be further reduced.
- the length of the liquid evacuation section is preferably 10 mm or more and 20 mm or less from the viewpoint of reducing the amount of droplets reached.
- the ratio of the length of the liquid evacuation portion (slit 42) in the first direction to the length (30 mm) of the first aerosol flow path 32a and the second aerosol flow path 32b is 1/3 or more and 2/3 or less. Is preferable.
- FIG. 9 is a schematic side sectional view of the tank 30 of the non-combustion heating type flavor suction device 100 according to another embodiment.
- the tank 30 shown in FIG. 9 may have the same structure as the tank 30 shown in FIG. In the example shown in FIG. 9, the tank 30 is provided with a lid member 50 that covers the upper wall portion 30a at the tip thereof.
- FIG. 10A is a perspective view of the lid member 50.
- FIG. 10B is a plan view of the lid member 50.
- FIG. 10C is a cross-sectional view taken along the line 10C-10C shown in FIG. 10B.
- the lid member 50 includes a top plate portion 52 having a substantially rectangular plate shape according to the shape of the tank 30, and a substantially tubular side plate portion 54 extending from the top plate portion 52.
- An opening 56 is provided in a substantially central portion of the top plate portion 52 so as to communicate with the aerosol flow path 32 of the tank 30 and allow the aerosol from the aerosol flow path 32 to pass through.
- the opening 56 is formed in the lid member 50 so that the center of the opening 56 substantially coincides with the center of the aerosol flow path 32 of the tank 30 in the second direction when the lid member 50 is attached to the tank 30. .. Further, one or a plurality of ridge portions 58 extending in the second direction are provided on the surface of the top plate portion 52 facing the upper wall portion 30a of the tank 30. As a result, an uneven portion is formed on the surface of the top plate portion 52 facing the upper wall portion 30a of the tank 30. When the lid member 50 is attached to the tank 30, the uneven portion communicates with the liquid evacuation portion of the tank 30.
- the ridge portion 58 is configured so that the gap between the ridge portions 58 becomes smaller as the distance from the aerosol flow path 32 (or the opening 56) increases in the second direction. Further, as shown in FIG. 10C, it is preferable that the ridge portion 58 is configured so that the gap between the ridge portions 58 increases as the distance from the top plate portion 52 in the first direction increases. In other words, in the state where the lid member 50 is attached to the tank 30, the gap between the ridges 58 becomes smaller as the ridge 58 moves away from the upper wall 30a (tip) of the tank 30 in the first direction. It is preferable to be configured in.
- the size of the gap in the second direction of the ridge portion 58 is arbitrary, and may be constant, for example.
- the aerosol can be aggregated on the wall surface of the inner wall portion 34 that defines the aerosol flow path 32, and droplets can be formed in a columnar shape.
- the columnar droplets move toward the mouthpiece 18 side with the suction of the user's non-combustion heating type flavor suction device 100, and are retracted to the liquid evacuation portion, that is, the flat surface portion 40 or the slit 42. If the use of the non-combustion heating type flavor suction device 100 is further continued, the droplets evacuated to the liquid evacuating portion may reach the tip of the liquid evacuating portion, or the liquid evacuating portion may be filled with the droplets. is there. In this case, the droplet may reach the user's mouth from the liquid evacuation section.
- the lid member 50 is provided with an uneven portion (corresponding to an example of the liquid holding portion) that communicates with the liquid evacuation portion.
- the droplet that has reached the tip of the liquid evacuation portion is held by the concave-convex portion of the lid member 50 by capillary action. Further, the droplets that have reached the tip of the liquid evacuation portion can be held by the capillary action in the gap between the top plate portion 52 of the lid member 50 and the upper wall portion 30a of the tank 30. As a result, it is possible to prevent the liquid stored in the liquid evacuation unit from reaching the user's mouth.
- the gap between the ridges 58 becomes smaller, so that the liquid separates from the aerosol flow path 32 in the second direction due to the capillary phenomenon. It can promote movement in the direction. Further, in the present embodiment, the gap between the ridges 58 becomes smaller as the distance from the upper wall portion 30a of the tank 30 increases in the first direction, so that the liquid flows from the tank 30 in the first direction due to the capillary phenomenon. It can be promoted to move away.
- a plurality of ridge portions 58 are provided to form the uneven portion, but the present invention is not limited to this.
- the shape thereof is arbitrary, and for example, a plurality of convex portions, a plurality of concave portions, and the like can be adopted.
- a liquid holding member made of a porous member, fibers, or the like. (Corresponding to one example) can also be provided.
- the porous member or fiber may include, for example, a cellulose-based non-woven fabric, a glass fiber non-woven fabric, paper, a sponge, a ceramic, a glass porous body, or the like.
- the lid member 50 may be detachable from the tank 30 by the user, or may be fixed to the tank 30 so as not to be detached.
- the uneven portion of the present embodiment is located radially outside the aerosol flow path 32. Therefore, it is possible to prevent the aerosol passing through the aerosol flow path 32 from reaching the uneven portion, and as a result, it is possible to prevent the aerosol from condensing on the uneven portion. Even when a liquid holding member made of a porous member or a fiber or the like is arranged between the top plate portion 52 of the lid member 50 and the upper wall portion 30a of the tank 30, this liquid holding member is radially larger than the aerosol flow path 32. It is preferable to arrange them at positions separated from each other on the outside.
- FIG. 11 is a schematic side sectional view of a tank 30 provided with a lid member 50 according to another embodiment.
- the lid member 50 shown in FIG. 11 does not have a ridge portion 58, but the droplets that reach the tip of the liquid storage portion receive a gap (a gap between the top plate portion 52 of the lid member 50 and the upper wall portion 30a of the tank 30). It is held by capillary action) in a liquid holding portion (corresponding to an example).
- the distance between the surface of the top plate portion 52 of the lid member 50 on the tank 30 side and the upper wall portion 30a of the tank 30 becomes smaller as the distance from the aerosol flow path 32 in the second direction increases.
- the lid member 50 is formed.
- the droplets that have reached the tip of the liquid evacuation portion are first held in a relatively large gap between the top plate portion 52 of the lid member 50 and the upper wall portion 30a of the tank 30.
- the distance between the surface of the top plate portion 52 of the lid member 50 on the tank 30 side and the upper wall portion 30a of the tank 30 may be constant. Further, the lid member 50 shown in FIG. 11 may be provided with the ridge portion 58 shown in FIGS. 10A to 10C.
- FIG. 12 is a schematic top view of the tank 30 of the non-combustion heating type flavor suction device 100 according to still another embodiment. As shown, one or more ridges 36 are formed on the tip surface of the tank 30. As a result, an uneven portion (corresponding to an example of the liquid holding portion) is formed on the end surface of the upper wall portion 30a of the tank 30 on the distal end side. This uneven portion communicates with the liquid evacuation portion of the tank 30.
- the ridge portion 36 is configured so that the gap between the ridge portions 36 becomes smaller as the distance from the aerosol flow path 32 in the second direction increases. Further, like the ridge portion 58 shown in FIG. 10C, the ridge portion 36 is preferably configured so that the gap between the ridge portions 36 becomes smaller as the distance from the upper wall portion 30a in the first direction increases. ..
- the size of the gap between the ridges 36 is arbitrary, and may be constant, for example.
- the tank 30 Since the tank 30 has an uneven portion that communicates with the liquid evacuation portion, the droplet that reaches the tip of the liquid evacuation portion is held by the uneven portion of the tank 30 by capillary action. As a result, it is possible to prevent the liquid stored in the liquid evacuation unit from reaching the user's mouth. Further, in the present embodiment, the gap between the ridges 36 becomes smaller as the distance from the aerosol flow path 32 in the second direction increases, so that the liquid separates from the aerosol flow path 32 in the second direction due to the capillary phenomenon. It can promote movement in the direction.
- the gap between the ridges 36 becomes smaller as the distance from the tip of the tank 30, that is, the upper wall portion 30a of the tank 30 increases in the first direction, the liquid is released in the first direction due to the capillary phenomenon. It is possible to promote the movement in the direction away from the upper wall portion 30a of the tank 30.
- a plurality of ridge portions 58 are provided to form the uneven portion, but the present invention is not limited to this.
- the shape thereof is arbitrary, and for example, a plurality of convex portions, a plurality of concave portions, and the like can be adopted.
- a liquid holding member (corresponding to an example of the liquid holding portion) made of a porous member or a fiber or the like may be provided on the upper wall portion 30a of the tank 30.
- the multi-layer member or fiber may include, for example, a cellulosic non-woven fabric, a glass fiber non-woven fabric, paper, a sponge, a ceramic, a glass porous body and the like. Further, the lid member 50 shown in FIGS. 10A to 10C or 11 may be attached to the tip of the tank 30 shown in FIG.
- an atomization unit configured to atomize the aerosol source, a tank holding the aerosol source, and an aerosol generated by atomizing the aerosol source pass through and in the first direction. It has a wall portion that defines at least a part of the aerosol flow path extending to. At least a part of the wall portion constitutes a part of the side wall of the tank.
- the aerosol flow path includes a first aerosol flow path and a second aerosol flow path that communicates with the downstream side of the first aerosol flow path.
- the atomization unit is further provided in the second aerosol flow path and extends from the boundary between the first aerosol flow path and the second aerosol flow path toward the downstream side of the second aerosol flow path.
- the wall portion has a flat surface portion parallel to the second direction orthogonal to the first direction at the boundary between the first aerosol flow path and the second aerosol flow path.
- the liquid evacuation portion includes a space defined by the flat surface portion. The ratio of the cross-sectional area of the second aerosol flow path and the liquid evacuation portion in the second direction to the cross-sectional area of the first aerosol flow path in the second direction is more than 1 and 4.0 or less.
- the wall portion in the first form, includes a second aerosol flow path wall portion that defines at least a part of the second aerosol flow path, and the second aerosol flow path wall portion is the tank.
- the gist is to form a part of the side wall of the.
- the wall portion further includes a first aerosol flow path wall portion that defines at least a part of the first aerosol flow path, and the first aerosol flow path wall portion is the said.
- the gist is to form a part of the side wall of the tank.
- the fourth form is the gist of any one of the first to third forms, wherein the wall portion includes a slit extending in the first direction, and the liquid evacuation portion includes a space defined by the slit. And.
- the cross-sectional shape of the second aerosol flow path in the second direction is circular, and the height of the slit is larger than the diameter of the second aerosol flow path in the second direction.
- the gist is that it is also small.
- the sixth form is characterized in that, in any of the first to third forms, the cross-sectional shape of the second aerosol flow path and the liquid evacuation portion in the second direction is rectangular as a whole.
- the seventh form is any of the first to sixth forms, and when viewed from the first direction, the wall portion has a corner portion, and the liquid evacuation portion is a space determined by the corner portion.
- the gist is to include.
- the ratio of the length of the liquid evacuation portion in the first direction to the length of the first aerosol flow path and the second aerosol flow path is , 1/3 or more and 2/3 or less.
- the cross-sectional shape of the first aerosol flow path in the second direction is the same as the cross-sectional shape of the second aerosol flow path in the second direction. The point is that.
- the tenth form is characterized in that, in any one of the first to ninth forms, the cross-sectional shape of the first aerosol flow path and the second aerosol flow path in the second direction is circular.
- the cross-sectional shapes of the first aerosol flow path and the second aerosol flow path in the second direction are constant in the first direction.
- a non-combustion heating type flavor suction device has an atomization unit according to any one of the first to sixth forms and a power source for supplying electric power to the atomization unit.
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Abstract
Description
液退避部の形状に応じた液滴到達量(ユーザの口内に到達する液滴量)を評価する実験を行った。図6は、実験例1で使用したタンク30の内壁部34の上面図である。本実験では、図6に示す実施例1から実施例9に係る内壁部34によって画定される第1エアロゾル流路32aに液体が柱状となるように所定量注入し、所定条件で吸引したときに第2エアロゾル流路32bから内壁部34の先端に飛散した液体量を測定した。
実施例1 幅W=6mm、高さH=2mm
実施例2 幅W=6mm、高さH=1mm
実施例3 幅W=6mm、高さH=0.6mm
実施例4 幅W=4mm、高さH=2mm
実施例5 幅W=4mm、高さH=1mm
実施例6 幅W=4mm、高さH=0.6mm
実施例7 幅W=3mm、高さH=2mm
実施例8 幅W=3mm、高さH=1mm
実施例9 幅W=3mm、高さH=0.6mm
吸引容量 2400cc/min
吸引時間 3秒
パフ回数 1回
N数(サンプルサイズ) 3
タンク30の向き(第1方向の角度) 鉛直に対して斜め45°
液体の組成 グリセリン:プロピレングリコール:水=45:45:10
液体注入量:40μl
液退避部の長さに応じた液滴の到達量を評価する実験を行った。本実験では、スリット42の幅Wを3.0mm、高さHを1.5mmとした内壁部34(実施例10、実施例11)と、スリット42の幅Wを4.5mm、高さHを0.75mmとした内壁部34(実施例12,13)を準備した。実施例10及び実施例11の内壁部34に対して、スリット42の長さを0mm、5mm、10mm、15mm、20mmとし、実施例12及び実施例13の内壁部34に対してスリット42の長さを10mm、15mm、20mmとして、以下の吸引条件で実験を行った。本実験では、実施例10から実施例13に係る内壁部34によって画定される第1エアロゾル流路32aに液体が柱状になるように所定量注入し、所定条件で吸引したときに第2エアロゾル流路32bから内壁部34の先端に飛散した液体量を測定した。なお、実施例10から実施例13では、第1エアロゾル流路32a及び第2エアロゾル流路32bの第1方向における長さを30mmとした。
吸引容量 2400cc/min
吸引時間 3秒
パフ回数 1回(実施例11及び実施例13)、5回(実施例10及び実施例12)
吸引間隔 20秒
N数(サンプルサイズ) 3
タンク30の向き(第1方向の角度) 鉛直に対して斜め45°
液体の組成 グリセリン:プロピレングリコール:水=45:45:10
液体注入量:20μl
14…霧化部
30…タンク
30a…上壁部
30b…底壁部
30c…外壁部
32…エアロゾル流路
32a…第1エアロゾル流路
32b…第2エアロゾル流路
34…内壁部
34a…第1エアロゾル流路壁部
34b…第2エアロゾル流路壁部
36…突条部
40…平面部
42…スリット
42a…角部
50…蓋部材
56…開口部
58…突条部
92…電源
100…非燃焼加熱型香味吸引器具
Claims (12)
- 霧化ユニットであって、
エアロゾル源を霧化するように構成される霧化部と、
前記エアロゾル源を保持するタンクと、
前記エアロゾル源が霧化されて生成されたエアロゾルが通過し且つ第1方向に延びるエアロゾル流路の少なくとも一部を画定する壁部を有し、
前記壁部の少なくとも一部は、前記タンクの側壁の一部を構成し、
前記エアロゾル流路は、第1エアロゾル流路と、前記第1エアロゾル流路の下流側と連通する第2エアロゾル流路と、を有し、
前記霧化ユニットは、さらに、前記第2エアロゾル流路に設けられ、前記第1エアロゾル流路と前記第2エアロゾル流路との境界から前記第2エアロゾル流路の下流に向かって延びる液退避部を有し、
前記壁部は、前記第1エアロゾル流路と前記第2エアロゾル流路との境界において前記第1方向と直交する第2方向に平行な平面部を有し、前記液退避部は、前記平面部によって画定される空間を含み、
前記第2エアロゾル流路及び前記液退避部の前記第2方向における断面積の、前記第1エアロゾル流路の前記第2方向における断面積に対する比率は、1超4.0以下である、霧化ユニット。 - 請求項1に記載された霧化ユニットにおいて、
前記壁部は、前記第2エアロゾル流路の少なくとも一部を画定する第2エアロゾル流路壁部を含み、
前記第2エアロゾル流路壁部は、前記タンクの側壁の一部を構成する、霧化ユニット。 - 請求項2に記載された霧化ユニットにおいて
前記壁部は、前記第1エアロゾル流路の少なくとも一部を画定する第1エアロゾル流路壁部をさらに含み、
前記第1エアロゾル流路壁部は、前記タンクの側壁の一部を構成する、霧化ユニット。 - 請求項1から3のいずれか一項に記載された霧化ユニットにおいて、
前記壁部は、前記第1方向に延びるスリットを含み、
前記液退避部は、前記スリットにより画定される空間を含む、霧化ユニット。 - 請求項4に記載された霧化ユニットにおいて、
前記第2エアロゾル流路の前記第2方向における断面形状は円形であり、
前記スリットの高さは、前記第2エアロゾル流路の前記第2方向における直径よりも小さい、霧化ユニット。 - 請求項1から3のいずれか一項に記載された霧化ユニットにおいて、
前記第2エアロゾル流路及び前記液退避部の前記第2方向における断面形状は、全体として角形である、霧化ユニット。 - 請求項1から6のいずれか一項に記載された霧化ユニットにおいて、
前記第1方向からみたときに、前記壁部は角部を有し、
前記液退避部は、前記角部により確定される空間を含む、霧化ユニット。 - 請求項1から7のいずれか一項に記載された霧化ユニットにおいて、
前記液退避部の前記第1方向における長さの、前記第1エアロゾル流路及び前記第2エアロゾル流路の長さに対する比率は、1/3以上2/3以下である、霧化ユニット。 - 請求項1から8のいずれか一項に記載された霧化ユニットにおいて、
前記第1エアロゾル流路の前記第2方向における断面形状は、前記第2エアロゾル流路の前記第2方向における断面形状と同一である、霧化ユニット。 - 請求項1から9のいずれか一項に記載された霧化ユニットにおいて、
前記第1エアロゾル流路及び前記第2エアロゾル流路の前記第2方向における断面形状は、円形である、霧化ユニット。 - 請求項1から10のいずれか一項に記載された霧化ユニットにおいて、
前記第1エアロゾル流路及び前記第2エアロゾル流路の前記第2方向における断面形状は、前記第1方向において一定である、霧化ユニット。 - 請求項1から11のいずれか一項に記載された霧化ユニットと、
前記霧化部に電力を供給するための電源と、を有する、非燃焼加熱型香味吸引器具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19953309.2A EP4062778A4 (en) | 2019-11-19 | 2019-11-19 | NON-COMBUSTION HEATING TYPE ATOMIZING UNIT AND AROMA INHALER |
JP2021558068A JP7203246B2 (ja) | 2019-11-19 | 2019-11-19 | 霧化ユニット及び非燃焼加熱型香味吸引器具 |
PCT/JP2019/045225 WO2021100110A1 (ja) | 2019-11-19 | 2019-11-19 | 霧化ユニット及び非燃焼加熱型香味吸引器具 |
TW109114343A TW202119945A (zh) | 2019-11-19 | 2020-04-29 | 霧化單元及非燃燒加熱型香味吸嚐器具 |
US17/698,503 US20220202099A1 (en) | 2019-11-19 | 2022-03-18 | Atomization unit and non-combustion heating-type flavor inhaler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2019/045225 WO2021100110A1 (ja) | 2019-11-19 | 2019-11-19 | 霧化ユニット及び非燃焼加熱型香味吸引器具 |
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US17/698,503 Continuation US20220202099A1 (en) | 2019-11-19 | 2022-03-18 | Atomization unit and non-combustion heating-type flavor inhaler |
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WO2021100110A1 true WO2021100110A1 (ja) | 2021-05-27 |
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PCT/JP2019/045225 WO2021100110A1 (ja) | 2019-11-19 | 2019-11-19 | 霧化ユニット及び非燃焼加熱型香味吸引器具 |
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US (1) | US20220202099A1 (ja) |
EP (1) | EP4062778A4 (ja) |
JP (1) | JP7203246B2 (ja) |
TW (1) | TW202119945A (ja) |
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WO2023112292A1 (ja) * | 2021-12-17 | 2023-06-22 | 日本たばこ産業株式会社 | 霧化ユニット、吸引具、及び、霧化ユニットの製造方法 |
WO2023112191A1 (ja) * | 2021-12-15 | 2023-06-22 | 日本たばこ産業株式会社 | たばこ成形体、吸引具用霧化ユニット、吸引具、たばこ成形体の製造方法、及び、吸引具用霧化ユニットの製造方法 |
WO2023112190A1 (ja) * | 2021-12-15 | 2023-06-22 | 日本たばこ産業株式会社 | たばこ成形体、吸引具用霧化ユニット、吸引具、たばこ成形体の製造方法、及び、吸引具用霧化ユニットの製造方法 |
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WO2023112190A1 (ja) * | 2021-12-15 | 2023-06-22 | 日本たばこ産業株式会社 | たばこ成形体、吸引具用霧化ユニット、吸引具、たばこ成形体の製造方法、及び、吸引具用霧化ユニットの製造方法 |
WO2023112292A1 (ja) * | 2021-12-17 | 2023-06-22 | 日本たばこ産業株式会社 | 霧化ユニット、吸引具、及び、霧化ユニットの製造方法 |
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EP4062778A1 (en) | 2022-09-28 |
EP4062778A4 (en) | 2023-08-23 |
US20220202099A1 (en) | 2022-06-30 |
TW202119945A (zh) | 2021-06-01 |
JP7203246B2 (ja) | 2023-01-12 |
JPWO2021100110A1 (ja) | 2021-05-27 |
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