KR102573820B1 - Device for generating aerosol - Google Patents

Abstract

An aerosol generating device is disclosed. An aerosol generating device of the present disclosure includes: a container extending in a vertical direction, having a chamber between an outer wall and an inner wall for storing liquid, and having an insertion space into which a stick is inserted inside the inner wall; a wick disposed below the insertion space and connected to the chamber to absorb the liquid; a heater disposed around the wick; and a flow path formed between the insertion space and the wick, wherein the flow path includes: a first flow path positioned adjacent to the wick; a second passage positioned adjacent to the insertion space and connected to the insertion space; It may include a third flow path positioned between the first flow path and the second flow path to connect the first flow path and the second flow path, and having a width smaller than a width of the first flow path and a width of the second flow path. .

Description

Aerosol generating device {DEVICE FOR GENERATING AEROSOL}

The present disclosure relates to an aerosol generating device.

Aerosol generating devices are for extracting certain components from a medium or substance through an aerosol. The medium may contain materials of various components. Substances included in the medium may be flavor substances of various components. For example, the substance included in the medium may include a nicotine component, an herbal component, and/or a coffee component. Recently, many studies on these aerosol generating devices have been conducted.

The present disclosure aims to solve the foregoing and other problems.

Another object may be to provide an aerosol generating device with increased space efficiency for storing liquid.

Another object may be to provide an aerosol generating device with increased heat transfer efficiency of the aerosol by reducing the flow distance of the aerosol.

Another object may be to provide an aerosol generating device in which a flow path is designed so that the aerosol is uniformly spread on the stick.

According to one aspect of the present disclosure for achieving the above object, a container extending in one direction and having a chamber in which a liquid is stored between an outer wall and an inner wall is formed, an insertion space in which an inner side of the inner wall is opened and a stick is inserted, A wick disposed below the insertion space and connected to the chamber to absorb the liquid phase, a heater disposed around the wick, and a flow path formed between the insertion space and the wick, the flow path portion, A first flow path positioned adjacent to the wick. A second flow path located adjacent to the insertion space and connected to the insertion space, located between the first flow path and the second flow path to connect the first flow path and the second flow path, and the width of the first flow path and It provides an aerosol generating device including a third passage having a smaller width than the width of the second passage.

According to at least one of the embodiments of the present disclosure, it is possible to provide an aerosol generating device in which a stick is designed to be inserted into a container in which a chamber for storing a liquid phase is formed, and the efficiency of a space for storing a liquid phase is increased.

According to at least one of the embodiments of the present disclosure, the distance from the wick connected to the chamber in which the liquid phase is stored and the heater that heats it to generate the aerosol to the stick can be disposed close to each other, thereby reducing the flow distance of the aerosol and improving the heat transfer of the aerosol It is possible to provide an aerosol generating device with increased efficiency.

According to at least one of the embodiments of the present disclosure, the aerosol generated from the wick may vary in the generating area, but has the advantage of being uniformly diffused on the stick by passing through a channel whose width is narrowed and then widened.

Additional scope of applicability of the present disclosure will become apparent from the detailed description that follows. However, since various changes and modifications within the spirit and scope of the present disclosure can be clearly understood by those skilled in the art, it should be understood that the detailed description and specific examples such as preferred embodiments of the present disclosure are given as examples only.

1 to 10 are diagrams showing examples of aerosol generating devices according to embodiments of the present disclosure.

Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings, but the same or similar elements are given the same reference numerals regardless of reference numerals, and redundant description thereof will be omitted.

The suffixes "module" and "unit" for components used in the following description are given or used together in consideration of ease of writing the specification, and do not have meanings or roles that are distinct from each other by themselves.

In addition, in describing the embodiments disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the embodiment disclosed in this specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in this specification, the technical idea disclosed in this specification is not limited by the accompanying drawings, and all changes included in the spirit and technical scope of the present disclosure , it should be understood to include equivalents or substitutes.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but the components are not limited by the terms. These terms are only used for the purpose of distinguishing one component from another.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

Hereinafter, the direction of the aerosol generating device is defined based on the Cartesian coordinate system shown in FIGS. 1 to 10 . In the Cartesian coordinate system, the x-axis direction can be defined as the left-right direction of the aerosol generating device. At this time, with the origin as the reference point, a direction toward +x may mean a right direction, and a direction toward -x may mean a left direction. And, the y-axis direction can be defined as the vertical direction of the aerosol generating device. In this case, a direction toward +y based on the origin may mean an upward direction, and a direction toward -y may mean a downward direction.

Referring to FIG. 1 , the container 10 may have a shape extending vertically. The container 10 may have a hollow shape. The container 10 may have a cylindrical shape extending vertically.

The container 10 may have an outer wall 11 and an inner wall 12 . The outer wall 11 may extend vertically. The outer wall 11 may extend along the outer circumference of the container 10 . The outer wall 11 may extend in a circumferential direction to form a cylinder shape.

The inner wall 12 may extend vertically. The inner wall 12 may extend along the inner circumference of the container 10 . The inner wall 12 may extend in a circumferential direction to form a cylinder shape.

The inner wall 12 may be spaced inwardly from the outer wall 11 . The inner wall 12 may be spaced radially inward from the outer wall 11 . Upper sides of the outer wall 11 and the inner wall 12 may be connected to each other.

The chamber 101 may be formed between the outer wall 11 and the inner wall 12 . The chamber 101 may extend vertically. The chamber 101 may extend circumferentially along the outer wall 11 and the inner wall 12 . The chamber 101 may have a cylindrical shape. A liquid phase may be stored in the chamber 101 .

The passage part 20 may be formed on the inner lower part of the inner wall 12 . Inhaled air may pass through the passage part 20 .

The wick 31 may be connected to the chamber 101 . The wick 31 may absorb liquid stored in the chamber 101 .

The stick 40 may extend vertically and long. The stick 40 may have a cylindrical shape. The stick 40 may be inserted inside the container 10 . The stick 40 may be inserted inside the inner wall 12 of the container 10 . The aerosol generated from the wick 31 may be transferred to the stick 40 through the passage part 20 .

Accordingly, the chamber 101 of the container 10 in which the liquid is stored is arranged to surround the stick 40, so that the efficiency of the liquid storage space can be increased.

Accordingly, the distance from the wick 31 connected to the chamber 101 in which the liquid phase is stored and the heater 32 (see FIG. 2) that heats the liquid phase to generate an aerosol to the stick 40 can be disposed close, so that the aerosol The heat transfer efficiency of can be increased.

The main body 50 may have a shape extending vertically. The main body 50 may have a hollow shape. The main body 50 may have a cylindrical shape extending vertically.

The container 10 and the main body 50 may be connected to each other. The container 10 may be disposed above the main body 50 . The container 10 may be detachably coupled to the main body 50 . The container 10 and the main body 50 may form a continuous surface.

The control unit 51 may be disposed inside the main body 50 . The control unit 51 may control on/off of the device. The control unit 51 is electrically connected to the heater 32 (see FIG. 2 ), and may control supply of electric power to the heater 32 so that the heater 32 heats the wick. The controller 51 may be disposed below the heater 32 . The controller 51 may be disposed adjacent to the heater 32 .

The battery 52 may be disposed inside the main body 50 . A battery 52 may supply power to the device. The battery 52 may be electrically connected to the controller 51 and/or the terminal 53 . The battery 52 may be disposed below the controller 51 . The battery 52 may extend vertically.

The terminal 53 may be disposed at an end of the main body 50 . The terminal 53 may be electrically connected to an external power source to receive power and transfer the power to the battery 52 . The terminal 53 may be disposed under the main body 50 . Terminal 53 may be disposed on the lower side of battery 52 .

Referring to FIG. 2 , the inner wall 12 may extend in a circumferential direction along the vertical direction to form an insertion space 102 inside. The insertion space 102 may be formed by opening the inside of the inner wall 12 vertically. The stick 40 (see FIG. 1) may be inserted into the insertion space 102. The inner wall 12 may be disposed between the chamber 101 and the insertion space 102 .

The insertion space 102 may have a shape corresponding to a portion into which the stick 40 is inserted. The insertion space 102 may extend vertically and long. The insertion space 102 may have a cylindrical shape. When the stick 40 is inserted into the insertion space 102, the stick 40 is surrounded by the inner wall 12 and can be in close contact with the inner wall 12.

The outer wall 11 and the inner wall 12 can be connected to each other by means of the top 15 of the container 10 . The chamber 101 may be defined by an outer wall 11 , an inner wall 12 , an upper part 15 and a lower part 16 of the container 10 .

The wick 31 may be disposed on the lower side of the insertion space 102 . The wick 31 may be disposed below the flow path part 20 . The wick 31 is connected to the chamber 101. The liquid phase stored in the chamber 101 may be absorbed. The wick 31 may be inserted between the inner wall 12 and the lower portion 16 of the container 10 . The wick 31 may be formed to extend in one direction. The wick 31 may be disposed long in the left and right directions.

The heater 32 may be disposed around the wick 31 . The heater 32 may be wound around the wick 31 along the direction in which the wick 31 extends. The heater 32 may generate an aerosol from the liquid phase absorbed by the wick 31 by electric resistance heating. The heater 32 is connected to the control unit 51 (see FIG. 1), so that power supply can be controlled.

The passage part 20 may be formed between the insertion space 102 and the wick 31 . The aerosol generated from the wick 31 may flow toward the insertion space 102 through the passage part 20 . The passage part 20 may have a shape in which the width narrows and then widens along the flow direction of the aerosol. The flow direction of the aerosol may be upward.

The passage part 20 may be surrounded by an upper passage wall 220 protruding inward from the inner wall 12 . An upper portion of the flow path portion 20 may be surrounded by an upper flow path wall 220 and a lower portion of the flow path portion 20 may be surrounded by a lower flow path wall 210 . The lower passage wall 210 may be coupled to a lower portion of the upper passage wall 220 . The wick 31 may be inserted between the lower passage wall 210 and the lower part 16 of the container 10 .

Referring to FIG. 3 , the flow path unit 20 may be divided into a first flow path 21 , a second flow path 22 , and a third flow path 23 .

The first flow path 21 may be located adjacent to the wick 31 . The first flow passage 21 may be disposed above the wick 31 . The second passage 22 may be located adjacent to the insertion space 102 . The second passage 22 may be connected to the insertion space 102 .

The third flow path 23 may be located between the first flow path 21 and the second flow path 22 . The third flow path 23 may be located above the first flow path 21 . The second flow path 22 may be located above the third flow path 23 . The third flow path 23 may connect the first flow path 21 and the second flow path 22 .

A width W3 of the third passage 23 may be smaller than a width W1 of the first passage 21 . A width W3 of the third passage 23 may be smaller than a width W2 of the second passage 22 . The maximum width W1 of the first passage 21 and the maximum width W2 of the second passage 22 may be substantially the same or similar. The maximum width W1 of the first passage 21 may be greater than the maximum width W2 of the second passage 22 . The width W2 of the second passage 22 may be smaller than the width W0 of the insertion space 102 .

The flow path part 20 may become narrower as it goes from the first flow path 21 to the third flow path 23 . The width of the passage part 20 may increase from the third passage 23 toward the second passage. The width W2 of the second passage 22 may gradually increase toward the insertion space 102 .

Accordingly, the aerosol is collected from the first flow path 21 to the narrow third flow path 23 and then diffuses through the second flow path 22, even if the aerosol is not uniformly generated from the wick 31. It can be uniformly introduced into the bottom of the stick 40 (see FIG. 1) (see FIG. 6).

The width W1 of the first flow path 21 may become narrower toward the third flow path 23 . The width W2 of the second flow path 22 may become narrower toward the third flow path 23 .

The degree to which the width W1 of the first flow passage 21 narrows toward the third flow passage 23 is the degree to which the width W2 of the second flow passage 22 decreases toward the third flow passage 23. could be more abrupt. The distance L1 to reach from the maximum width W1 of the first passage 21 to the width W3 of the third passage 23 is the distance L1 from the maximum width W2 of the second passage 22 to the third passage. It may be shorter than the distance L2 to reach the width W3 of (23). That is, the change in width versus length may be greater when moving from the first flow path 21 to the third flow path 23 .

The width formed in the left-right direction of the first flow path 21 is W1, the width formed in the left-right direction of the second flow path 22 is W2, the width formed in the left-right direction of the third flow path 23 is W3, and the first flow path 21 If the vertical length of ) is L1 and the vertical length of the second flow path 22 is L2, (W1-W3)/(L1)> (W2-W3)/(L2) may have the same relationship.

The vertical length L1 of the first passage 21 may be shorter than the vertical length L2 of the second passage 22 (L1 < L2).

Accordingly, while reducing the length of the flow path in the first flow path 21, it is possible to secure a space for guiding the liquid phase to be atomized and collected in the third flow path 23, and the aerosols collected in the third flow path 23 can pass through the second flow path 23. It can be uniformly diffused and flowed into the insertion space 102 through the passage 22 (see FIG. 6).

The length of the third passage 23 in the vertical direction may be shorter than the length L1 of the first passage 21 in the vertical direction. The vertical length of the third passage 23 may be shorter than the vertical length L2 of the second passage 22 .

The width W2 of the second passage 22 gradually expands in the radially outward direction from the third passage 23 toward the insertion space 102, and then substantially constant width W2 from the section forming the maximum width W2. ) and may extend toward the insertion space 102.

The first flow path surface 211 may surround the first flow path 21 . The second flow path surface 221 may surround the second flow path 22 . The third flow path surface 231 may surround the third flow path 23 .

The first passage surface 211 may form an inner surface of the lower passage wall 210 . The second flow path surface 221 and the third flow path surface 231 may form an inner surface of the upper flow path wall 220 .

The first flow path surface 211 and the third flow path surface 231 may not form a continuous surface and may be spaced apart from each other. The first flow path surface 211 may extend vertically. The first flow path surface 211 may extend in a circumferential direction. The first flow path surface 211 may be formed in a ring shape.

The first flow path 21 extends with substantially the same width W1 toward the third flow path 23, and then the width W1 rapidly narrows near the third flow path 23 so that the third flow path 23 The width W3 may be reached.

Accordingly, the space of the first flow path 21 is secured between the first flow path surface 211 and the wick 31 to generate and flow aerosol up to the portion between the first flow path surface 211 and the wick 31. can be done smoothly.

The third flow path surface 231 may form a continuous surface with the second flow path surface 221 . The third flow path surface 231 may extend vertically. The third flow path surface 231 may extend in the circumferential direction. The third flow path surface 231 may be formed in a ring shape.

The second flow path surface 221 may include an extended portion that gradually expands outward toward the insertion space 102 . The second flow path surface 221 may include a portion inclined outward toward the insertion space 102 . The second flow path surface 221 may include a portion extending gradually in a radially outward direction towards the insertion space 102 . The second flow path surface 221 may have a substantially funnel shape or a Venturi shape.

The second flow path surface 221 extends gradually outward from the third flow path surface 231 toward the insertion space 102 and forms a substantially constant width W2 from a section forming the maximum width W2. And may extend toward the insertion space (102).

The second flow path surface 221 may include a portion that extends roundly outward toward the insertion space 102 . The second flow path surface 221 may extend upward from the third flow path surface 231 in a radially outwardly rounded shape.

Accordingly, when the aerosol diffuses from the third passage 23 to the second passage 22, flow resistance may be reduced.

The width W2 of the second passage 22 may be maximized at an upper end of the second passage 22 contacting the lower end of the insertion space 102 . The width W2 of the upper end of the second passage 22 may be narrower than the width W0 of the insertion space 102 .

The protruding surface 17 may be located between the lower end of the insertion space 102 and the upper end of the second passage 22 . The protruding surface 17 may protrude inward from the inner wall 12 of the container 10 . The protruding surface 17 may support the edge of the lower end of the stick 40 . The protruding surface 17 may protrude inward to determine the maximum width W2 of the second passage 22 .

The protruding surface 17 may form an upper surface of the upper passage wall 220 protruding inward from the inner wall 12 . The protruding surface 17 may be formed to extend substantially vertically from the inner surface 121 of the inner wall 12 . The protruding surface 17 and the inner surface 121 may face the insertion space 102 . The second flow path surface 221 may be formed to extend downward from the protruding surface 17 .

The protruding length L3 of the protruding surface 17 is preferably formed such that the lower edge of the stick 40 (see FIG. 1) is supported and at the same time minimizes the flow loss of the aerosol.

The wick 31 is disposed to extend along the width direction of the first flow path 21 , and the heater 32 may be wound around the wick 31 along the direction in which the wick 31 extends.

The width W1 of the first flow path 21 may be greater than the width W4 of the heater 32 . A width W3 of the third passage 23 may be smaller than a width W4 of the heater 32 . When the container 10 is extended in a vertical "?"* direction, the width direction of the flow path portion 20 may be a left-right direction.

Accordingly, when the heater 32 heats the liquid absorbed by the wick 31 to generate an aerosol, even if there is a deviation in the aerosol generating area of the wick 31, the aerosol is collected in the third flow path 23, and then It can be uniformly diffused from the two passages 22 to the insertion space 102.

Referring to FIGS. 3 and 4 , the first bending section 222 and the second bending section 223 formed on the second flow path surface 221 may be convexly bent in opposite directions.

The first bending section 222 may be formed below the second flow path surface 221 . The first bending section 222 may be formed adjacent to the third passage 23 . The first bending section 222 may be convexly bent toward the inside of the container 10 from the third flow path surface 231 .

The second bending section 223 may be formed above the second flow path surface 221 . The second bending section 223 may be formed adjacent to the insertion space 102 . The second bending section 223 may be convexly bent toward the outside of the container 10 from the first bending section 222 . The second bending section 223 may include a portion that is convexly bent toward the outside of the container 10 and then extends toward the insertion space 102 with a substantially constant width near the insertion space 102 . can

Accordingly, the aerosol diffuses outward along the first bending section 222 of the second flow path surface 221, and along the second bending section 223 of the second flow path surface 221, the insertion space 102 ) can be introduced with straightness (see FIG. 6).

Accordingly, the flow energy loss of the aerosol diffused from the third flow path 23 to the second flow path 22 can be reduced.

The upper passage wall 220 may extend downward from the inner wall 12 . The upper passage wall 220 may have a shape protruding inward from the inner wall 12 . The second flow path surface 221 and the third flow path surface 231 may form an inner surface of the upper flow path wall 220 .

The lower passage wall 210 may be coupled to a lower portion of the upper passage wall 220 . The first passage surface 211 may form an inner surface of the lower passage wall 210 .

The groove part 226 may be formed in the lower part of the upper passage wall 220 . The groove portion 226 may be formed by being recessed upward from a lower portion of the upper passage wall 220 .

The insertion part 216 may be formed on the upper part of the lower passage wall 210 . The insertion part 216 may be formed on the upper side of the first flow path surface 211 .

The insertion portion 216 may protrude upward from the top of the lower passage wall 210 . The insertion part 216 may be inserted into the groove part 226 and come into close contact with each other. When the insertion part 216 is inserted into the groove part 226, the upper passage wall 220 and the lower passage wall 210 may be coupled to each other. The lower passage wall 210 may be coupled to the lower part of the upper passage wall 220 to be replaceable.

The lower passage wall 210 may define the size of the width W1 (see FIG. 3 ) of the first passage 21 . The width W1 of the first flow path 21 may vary according to the degree to which the first flow path surface 211 constituting the inner surface of the lower flow path wall 210 is depressed in the left and right directions.

As the first flow path surface 211 of the lower flow path wall 210 is formed closer to the inner side, the width W1 of the first flow path 21 may become narrower. As the first flow path surface 211 of the lower flow path wall 210 is formed closer to the outer side, the width W1 of the first flow path 21 may become wider. Accordingly, the width W1 of the first flow path 21 may be defined or changed by combining the lower flow path wall 210 of a specific standard with the upper flow path wall 220 .

Accordingly, the length W1 of the wick 31 (see FIG. 3) exposed to the first flow path 21 and the width W4 of the winding of the heater 32 (see FIG. 3) around the wick 31 are changed, An area in which the liquid is atomized in the wick 31 may be defined.

The first flow path surface 211 may extend vertically. The first flow path surface 211 may be formed substantially perpendicular to the wick 31 . The first flow path surface 211 may define the length L1 of the first flow path 21 .

The extension surface 212 may form part of the inner surface of the upper passage wall 220 and the inner surface of the lower passage surface 210 . The extension surface 212 may be formed between the first flow path surface 211 and the third flow path surface 231 .

The extension surface 212 may be connected to an upper end of the first flow path surface 211 . The extension surface 212 may be connected to a lower end of the third flow path surface 231 . The extension surface 212 may extend from the upper end of the first flow path surface 211 in the left and right directions. The extension surface 212 may extend from the lower end of the third flow path surface 231 in the left and right directions.

The extending surface 212 may be spaced upwardly from the wick 31 . The extension surface 212 may be disposed in the width direction of the first flow path 21 . The extension surface 212 may extend from an upper end of the first flow path surface 211 toward the third flow path 23 . The extension surface 212 may connect the first flow path surface 211 and the third flow path surface 231 . The extending surface 212 may be spaced apart from the wick 31 and face the wick 31 .

The separation distance between the extension surface 212 and the wick 31 may be substantially the same as the height L1 of the first flow path 21 . The extension surface 212 may be disposed to face the wick 31 based on the first flow path 21 . The extending surface 212 may be disposed substantially parallel to the wick 31 . The extension surface 212 may be formed substantially perpendicular to the first flow path surface 211 . The extension surface 212 may be formed substantially perpendicular to the third flow path surface 231 .

An end of the first flow path 21 may be surrounded by the first flow path surface 211 , the wick 31 , and the extension surface 212 . The aerosol atomized at the end of the wick 31 may stay at the end of the first flow path 21 .

Accordingly, a space can be formed at the end of the wick 31 so that the atomized aerosol can flow and gather, and the suction force can be easily applied to the end of the wick 31 .

Accordingly, a turbulent flow is formed at the end of the first flow path 21 by the aerosol atomized at the end of the wick 31, and even if there is a deviation in the aerosol generating area in the wick 31, the aerosol is uniformly mixed. can be given (see Figure 6).

The first edge portion 213 may be formed between the first flow path surface 211 and the extension surface 212 . The first edge portion 213 may contact the edge portion of the upper end of the first flow path 21 . The first edge portion 213 may extend from the first flow path surface 211 toward the extension surface 212 in a rounded shape.

The second edge portion 214 may be formed between the extension surface 212 and the third flow path surface 231 . The second edge portion 214 may be formed adjacently between the first flow path 21 and the third flow path 23 . The second edge portion 214 may extend roundly from the extension surface 212 toward the third flow path surface.

Accordingly, the flow energy loss of the aerosol diffused from the first flow path 21 to the third flow path 23 can be reduced.

The wick insertion surface 215 may form a lower end of the lower passage wall 210 . The wick insertion surface 215 may extend in the width direction of the first flow path 21 . The wick insertion surface 215 may have an opening corresponding to the end shape of the wick 31 so that the wick 31 is inserted therein. The wick insertion surface 215 may be connected to the first flow path surface 211 .

The wick 31 may be inserted between the wick insertion surface 215 and the lower portion 16 of the container 10 . When the wick 31 is inserted, the wick insertion surface 215 may directly contact the upper end of the wick 31 . The wick insertion surface 215 is in close contact with the wick 31 to prevent liquid from leaking to the outside.

Referring to FIG. 5 , the above-described upper passage wall 220 (see FIG. 4 ) and the lower passage wall 210 (see FIG. 4 ) may be integrally formed without being coupled to form the passage wall 220a. The flow path wall 220a may have substantially the same shape as the combination of the upper flow path wall 220 and the lower flow path wall 210 .

Accordingly, the coupling process between the components can be excluded, and leakage of the liquid phase through the coupling portion between the components can be prevented.

Referring to FIG. 7 , the first extension surface 212a may constitute a part of the inner surface of the lower passage wall 210b. The first extension surface 212a may contact the first flow path 21 . The first extension surface 212a may be connected to an upper end of the first flow path surface 211 . The first extension surface 212a may extend from the upper end of the first flow path surface 211 in the left and right directions. The first edge portion 213 may be formed between the first flow path surface 211 and the first extension surface 212a.

The second extension surface 212b may constitute a part of the inner surface of the upper passage wall 220b. The second extension surface 212b may contact the first flow path 21 . The second extension surface 212b may be connected to the lower end of the third flow path surface 231 . The second extension surface 212b may extend from the lower end of the third flow path surface 231 in the left and right directions. The second edge portion 214 may be formed between the first extension surface 212b and the third flow path surface 231 .

The depression 212c may be formed by being depressed upward by a predetermined depth between the first extension surface 212a and the second extension surface 212b. The depression 212c may be formed between a portion where the lower passage wall 210b and the upper passage wall 220b are coupled. The recessed portion 212c may face an upper portion of the first flow path 21 .

Accordingly, by the aerosol atomized at the end of the wick 31, a turbulent flow is further formed at a position adjacent to the recessed portion 212c, so that even if there is a deviation in the aerosol generating area in the wick 31, the aerosol is uniformly distributed. you can mix

Referring to FIG. 8 , an upper portion 15 of the container 10 is formed above the outer wall 11 and the inner wall 12 and may connect the outer wall 11 and the inner wall 12 . The top 15 of the container 10 may cover the top of the chamber 101 . The upper portion 15 of the container 10 may extend in a circumferential direction to surround the insertion space 102 .

The inner surface 121 of the container 10 may constitute the inner surface of the inner wall 12 and the upper part 15 . The inner surface 121 of the container 10 may extend vertically.

The inclined surface 152 may be formed between the upper surface 151 and the inner surface 121 of the container 10 to connect the upper surface 151 and the inner surface 121 . The inclined surface 152 may be formed to gently extend from the upper surface 151 of the container 10 to the inner surface 121 . The inclined surface 152 may extend gradually from the inner surface 121 toward the upper surface 151 in a radially outward direction. The inclined surface 152 may form a shape gradually narrowing toward the lower side by having an inclination outward. The inner surface 121, the upper surface 151, and the inclined surface 152 may constitute a continuous surface.

The width W0 formed by the lower end of the inclined surface 152 may be narrower than the width W5 formed by the upper end of the inclined surface 152 . A width W formed by the lower end of the inclined surface 152 and a width W0 formed by the inner surface 121 may be substantially the same.

Accordingly, it may be easy to insert the stick 40 into the insertion space 102 .

Referring to FIG. 9 , the plug 41 may be disposed under the stick 40 . The filter unit 43 may be disposed above the stick 40 . The granular part 42 may be disposed between the plug 41 and the filter part 43 inside the stick 40 . A medium may be included in the granulating portion 42 .

The user may inhale air while holding the filter unit 43 of the stick 40 inserted into the container 10 in the mouth. When the user inhales air through the stick 40, the aerosol generated by the wick 31 may flow into the granulation part 42 via the plug 41 after passing through the flow path part 20. The aerosol introduced into the granulation unit 42 may flow into the filter unit 43 including the components of the medium, and then be filtered and provided to the user.

Referring to FIG. 8, the main body 50' may extend left and right. The container 10 may be coupled to the left or right side of the main body 50'. The container 10 may be coupled to the inside of the main body 50'.

The controller 51' may be disposed inside the main body 50'. The controller 51' may be disposed below the heater 32. The controller 51' may be disposed adjacent to the heater 32.

The battery 52' may be disposed inside the main body 50'. The battery 52' may be disposed on one side of the container 10. The battery 52' may extend vertically along the container 10.

The terminal 53' may be disposed inside the main body 50'. The terminal 53' may be disposed adjacent to the controller 51' and the battery 52'.

below. 1 to 10, an aerosol generating device according to an embodiment of the present invention. Extending in the vertical direction, a chamber 101 for storing liquid is provided between the outer wall 11 and the inner wall 12, and an insertion space 102 into which the stick 40 is inserted into the inner wall 12 Equipped container 10; a wick 31 disposed below the insertion space 102 and connected to the chamber 101 to absorb the liquid; a heater 32 disposed around the wick 31; and a flow path portion 20 formed between the insertion space 102 and the wick 31, wherein the flow path portion 20 includes a first flow path 21 positioned adjacent to the wick 31 ; a second passage 22 positioned adjacent to the insertion space 102 and connected to the insertion space 102; It is located between the first flow path 21 and the second flow path 22 to connect the first flow path 21 and the second flow path 22, and the width W1 of the first flow path 21 and the A third flow path 23 having a width W3 smaller than the width W2 of the second flow path 22 may be included.

Also, according to another aspect of the present disclosure, the second passage 22 may include a portion whose width gradually increases toward the insertion space 102 .

In addition, according to another aspect of the present disclosure, the width W2 of the second flow path 22 gradually expands in the radially outward direction from the third flow path 23 toward the insertion space 102, and then the maximum width ( It may extend toward the insertion space 102 with a substantially constant width (W2) from the section forming W2).

Also, according to another aspect of the present disclosure, the first flow path 21 may extend toward the third flow path 23 with a predetermined width W1.

According to another aspect of the present disclosure, the vertical length L1 of the first flow path 21 may be shorter than the vertical length L2 of the second flow path 22 .

According to another aspect of the present disclosure, the first flow path 21 and the second flow path 22 have narrow widths W1 and W2 toward the third flow path 23, The first flow path 21 may have a larger change in width W1 than the second flow path 22 .

According to another aspect of the present disclosure, the width of the first flow path 21 is W1, the width of the second flow path 22 is W2, the width of the third flow path 23 is W3, the first flow path ( 21) is defined as L1 and the length of the second flow path 22 is L2, it is possible to have a relationship of (W1-W3)/(L1) ≥ (W2-W3)/(L2).

According to another aspect of the present disclosure, a second flow path surface 221 surrounding the second flow path 22 is further included, and the second flow path surface 221 is the insertion space 102 It may include a portion inclined in a radially outward direction toward.

Also, according to another aspect of the present disclosure, the second flow path surface 221 may include a portion extending toward the insertion space 102 in a rounded shape.

According to another aspect of the present disclosure, the second flow path surface 221 is formed adjacent to the third flow path 23 and is bent convexly toward the inside of the container 10. bending section 222; and a second bending section 223 formed adjacent to the insertion space 102 and bent convexly toward the outside of the container 10 .

According to another aspect of the present disclosure, a first flow path surface 211 that surrounds the first flow path 21 and extends vertically; a third flow path surface 231 surrounding the third flow path 23 and extending vertically; and an extension surface 212 connecting the first flow path surface 211 and the third flow path surface 231 and spaced apart from the wick 31 to face the wick 31 .

According to another aspect of the present disclosure, the wick 31 extends along the width direction of the first flow path 21, and the extension surface 212 is parallel to the wick 31. may be extended.

In addition, according to another aspect of the present disclosure, the wick 31 extends along the width direction of the first flow path 21, and the heater 32 extends along the wick 31. 31, and the width of the third passage 23 may be narrower than that of the heater 32 wound along the wick 31.

Also, according to another aspect of the present disclosure, the width W2 of the upper end of the second flow passage 22 may be narrower than the width W0 of the insertion space 102 .

According to another aspect of the present disclosure, the aerosol generating device is located between the lower end of the insertion space 102 and the upper end of the second flow path 22, and the inner wall 12 of the container 10 ), and protrudes inward from the insertion space 102, and may further include a protruding surface 17 supporting the edge of the lower end of the stick 40 inserted into the insertion space 102.

According to another aspect of the present disclosure, the aerosol generating device includes an inclined surface 152 extending obliquely outward from the inner surface 121 of the container 10 toward the upper surface 151 of the container 10. ) may be further included.

Certain or other embodiments of the present disclosure described above are not mutually exclusive or distinct from each other. Certain embodiments or other embodiments of the present disclosure described above may be combined or combined in their respective components or functions (Certain embodiments or other embodiments of the disclosure described above are not mutually exclusive or distinct from each other. Any or all elements of the embodiments of the disclosure described above may be combined with another or combined with each other in configuration or function).

For example, configuration A described in a specific embodiment and/or drawing may be combined with configuration B described in another embodiment and/or drawing. That is, even if the coupling between components is not directly described, it means that coupling is possible except for cases where coupling is impossible (For example, a configuration "A" described in one embodiment of the disclosure and the drawings). and a configuration "B" described in another embodiment of the disclosure and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible).

The above detailed description should not be construed as limiting in all respects and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention (although embodiments have been described with reference to a number of illustrative embodiments Its, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles of this disclosure.More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims.In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art).

Claims (16)

a container extending in a vertical direction, having a chamber for storing liquid between an outer wall and an inner wall, and having an insertion space into which a stick is inserted inside the inner wall;
a wick disposed below the insertion space and connected to the chamber to absorb the liquid;
a heater disposed around the wick; and
A flow path formed between the insertion space and the wick,
The flow path part,
a first passage positioned adjacent to the wick;
a second passage positioned adjacent to the insertion space and connected to the insertion space;
A third flow path positioned between the first flow path and the second flow path to connect the first flow path and the second flow path, and having a width smaller than a width of the first flow path and a width of the second flow path,
The first flow path and the second flow path narrow toward the third flow path, and the first flow path has a greater change in width than the second flow path. According to claim 1,
The second flow path,
An aerosol generating device comprising a portion gradually widening toward the insertion space. According to claim 2,
The second flow path,
An aerosol generating device that gradually expands in a radially outward direction from the third passage toward the insertion space, and then extends toward the insertion space with a constant width from a section forming the maximum width. According to claim 1,
The first flow path,
An aerosol generating device extending with a predetermined width toward the third flow path. According to claim 1,
The length of the first flow path in the vertical direction is
An aerosol generating device shorter than the vertical length of the second flow path. delete According to claim 1,
If the width of the first passage is W1, the width of the second passage is W2, the width of the third passage is W3, the length of the first passage is L1, and the length of the second passage is defined as L2,
(W1-W3)/(L1) > (W2-W3)/(L2) An aerosol generating device having a relationship. According to claim 1,
Further comprising a second flow path surface surrounding the second flow path,
The second flow path surface,
An aerosol generating device comprising a portion inclined in a radially outward direction toward the insertion space. According to claim 8,
The second flow path surface,
An aerosol generating device comprising a portion extending in a round shape toward the insertion space. According to claim 8,
The second flow path surface,
a first bending section formed adjacent to the third passage and convexly bent toward the inside of the container; and
An aerosol generating device comprising a second bending section formed adjacent to the insertion space and bent convexly toward the outside of the container. According to claim 1,
a first flow path surface that surrounds the first flow path and extends vertically;
a third flow path surface that surrounds the third flow path and extends vertically; and
The aerosol generating device further comprises an extension surface connecting the first flow path surface and the third flow path surface and facing the wick while being spaced apart from the wick. According to claim 11,
The wick,
It extends along the width direction of the first flow path,
The extension surface,
An aerosol generating device extending parallel to the wick. According to claim 1,
The wick,
It extends along the width direction of the first flow path,
the heater,
It is wound on the wick along the wick,
The width of the third flow path is,
An aerosol generating device narrower than the width of the heater wound along the wick. According to claim 1,
The width of the upper end of the second flow path,
An aerosol generating device narrower than the width of the insertion space. According to claim 14,
The aerosol further comprises a protruding surface located between the lower end of the insertion space and the upper end of the second flow path, protruding inward from the inner wall of the container, and supporting an edge of the lower end of the stick inserted into the insertion space. generator. According to claim 1,
The aerosol generating device further comprises an inclined surface extending obliquely outward from an inner surface of the container toward an upper surface of the container.

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