KR20230094496A - Cartridge and device for generating aerosol with the same - Google Patents

Abstract

An aerosol generating device is disclosed. An aerosol generating device of the present disclosure includes a first chamber for storing a liquid; a second chamber having a chamber inlet and a chamber outlet positioned opposite to each other; a wick extended between the chamber inlet and the chamber outlet, disposed transversely in the second chamber, and connected to the first chamber; and a heater for heating the wick, wherein a first distance from an upper end of the chamber inlet to a central axis of the wick is greater than a second distance from a lower end of the chamber inlet to a central axis of the wick; A body to which the cartridge is coupled; As a body, one side communicates with the chamber outlet, the other side may include a body providing an insertion space opened to the outside.

Description

Cartridge and aerosol generating device including the same {CARTRIDGE AND DEVICE FOR GENERATING AEROSOL WITH THE SAME}

The present disclosure relates to cartridges and aerosol generating devices.

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 improve the efficiency of the flow of air through the cartridge.

Another object may be to increase the amount of entrained airborne aerosol passing through the cartridge.

According to one aspect of the present disclosure for achieving the above object, a first chamber for storing a liquid; a second chamber having a chamber inlet and a chamber outlet positioned opposite to each other; a wick extending between the chamber inlet and the chamber outlet, disposed transversely in the second chamber, and connected to the first chamber; and a heater for heating the wick, wherein a first distance from an upper end of the chamber inlet to a central axis of the wick is greater than a second distance from a lower end of the chamber inlet to a central axis of the wick; A body to which the cartridge is coupled; As a body, one side is in communication with the chamber discharge port, the other side is open to the outside to provide an insertion space.

According to at least one of the embodiments of the present disclosure, the flow efficiency of air passing through the cartridge may be improved.

According to at least one of the embodiments of the present disclosure, the amount of entrained aerosol in the air passing through the cartridge may be increased.

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 9 are diagrams illustrating 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 100 is defined based on the coordinate system shown in the drawing.

In the coordinate system, the x-axis direction can be defined as the forward and backward directions of the aerosol generating device 100. In this case, a direction toward +x based on the origin may mean a forward direction, and a direction toward -x may mean a rearward direction.

In the coordinate system, the y-axis direction can be defined as the left-right direction of the aerosol generating device 100. In this case, a direction toward +y based on the origin may mean a right direction, and a direction toward -y may mean a left direction.

In the coordinate system, the z-axis direction may be defined as a vertical direction of the aerosol generating device 100. In this case, a direction toward +z based on the origin may mean an upward direction, and a direction toward -y may mean a downward direction.

Referring to FIGS. 1 and 2 , the aerosol generating device 100 may include at least one of a battery 10, a controller 20, a heater 30, and a cartridge 40. At least one of the battery 10, the controller 20, the heater 30, and the cartridge 40 may be disposed inside the body 110 of the aerosol generating device 100.

The body 110 may have an insertion space into which the stick 200 can be inserted. An insertion space into which the stick 200 can be inserted may be formed around the heater 30 .

Referring to FIG. 1 , a battery 10, a controller 20, a cartridge 40, and a heater 30 may be arranged in a line. Referring to Figure 2, the cartridge 40 and the heater 30 may be arranged side by side to face each other. The internal structure of the aerosol generating device 100 is not limited to that shown.

The battery 10 may supply power so that at least one of the controller 20, the heater 30, and the cartridge 40 operates. The battery 10 may supply power necessary for the display, sensor, motor, etc. installed in the aerosol generating device 100 to operate.

The controller 20 may control the overall operation of the aerosol generating device 100. The controller 20 may control the operation of at least one of the battery 10 , the heater 20 and the cartridge 40 . The controller 20 may control the operation of the display, sensor, motor, etc. installed in the aerosol generating device 100. The controller 20 may check the state of each component of the aerosol generating device 100 to determine whether the aerosol generating device 100 is in an operable state.

The heater 30 may generate heat by power supplied from the battery 10 . The heater 30 may heat the stick 40 inserted into the aerosol generating device 100.

Cartridge 40 may generate an aerosol. The aerosol generated in the cartridge 40 may pass through the stick 200 inserted into the aerosol generating device 100 and be delivered to the user.

Referring to FIGS. 3 and 4 , the cartridge 40 may include a first container 41 and a second container 42 . The first container 41 may be coupled to an upper side of the second container 42 . The plate 45 may be coupled between the first container 41 and the second container 42 or between the first container 41 and the frame 43 .

The first container 41 may include a first chamber C1 capable of storing liquid therein. The first container 41 surrounds the first chamber C1, and a lower portion of the first chamber C1 may be opened. The opening of the first chamber C1 may be covered by the plate 45 .

The first container 41 may include an inflow passage 412 through which air passes. The first chamber C1 and the inflow passage 412 may be separated from each other. The inflow passage 412 may extend vertically and long on one side of the first container 41 .

The first container 41 may have a cartridge inlet 411 . The cartridge inlet 411 is formed by opening an upper portion of the first container 41 and may communicate with the inlet passage 412 . The cartridge inlet 411 may be in communication with the upper end of the inlet passage 412 . A lower end of the inlet passage 412 may communicate with the connection hole 451 , the frame passage 4310 and the chamber inlet 431 .

The second container 42 may be coupled to the lower portion of the first container 41 . The second container 42 may have a space 424 with an open top and a covered bottom. The frame 43 may be accommodated inside the space 424 of the second container 42 .

The second container 42 may have a cartridge outlet 422 . The cartridge outlet 422 may be formed on a lateral portion of the second container 42 . The cartridge outlet 422 may be formed inside the port protruding from the side of the second container 42 in the thickness direction. The cartridge outlet 422 may communicate with the space 424 .

The frame 43 may be inserted into the space 424 inside the second container 42 and combined with the second container 42 . The fastening member 426 protruding from the sidewall of the second container 42 into the space 424 may be fastened to the frame 43 to fix the frame 43 .

The frame 43 may include a second chamber C2 therein. The frame 43 surrounds the second chamber C2, and an upper portion of the second chamber C2 may be open. An upper portion of the second chamber C2 may be covered by a plate 45 .

The frame 43 may have a chamber inlet 431 . The chamber inlet 431 may be formed by opening one surface of a side wall surrounding the second chamber C2. The chamber inlet 431 may communicate with the second chamber C2. The frame passage 4310 may be opened upward of the frame 43 . The chamber inlet 431 may be connected to one end of the frame passage 4310 . The frame passage 4310 extends downward from an upper end of the frame passage 4310 and may extend to the chamber inlet 431 in a curved manner.

The frame 43 may have a chamber outlet 432 . The chamber outlet 432 may be formed on a lateral portion of the frame 43 . The chamber outlet 432 may communicate with the second chamber C2. The chamber outlet 432 may be formed inside the port protruding from the side of the frame 43 in the thickness direction. The chamber outlet 432 may communicate with the second chamber C2. The chamber outlet 432 may be formed at a position corresponding to the cartridge outlet 422 . The chamber outlet 432 may be formed at a position opposite to the second chamber inlet 431 with respect to the second chamber C2. When the frame 43 is coupled to the second container 42, the chamber outlet 432 and the cartridge outlet 422 may communicate with each other.

The frame 43 may have a wick coupling groove 434 therein. The wick coupling groove 434 may communicate with the second chamber C2. The wick coupling groove 434 may be formed by recessing the second chamber C2 to one side. The wick coupling grooves 434 are formed as a pair, and the pair of wick coupling grooves 434 may be formed to be positioned opposite to each other in the second chamber C2. An upper portion of the wick coupling groove 434 may be opened.

The wick 441 may have a cylindrical shape extending transversely to the second chamber C2. Both ends of the wick 441 may be inserted into and positioned in each of the pair of wick coupling grooves 434 . The center of the wick 441 may be located in the second chamber C2. The wick 441 may be connected to the first chamber C1 and receive liquid from the first chamber C1. The wick 441 may be fixed by the frame 43 and the plate 45 in the wick coupling groove 434 .

The heater 442 may wind the center of the wick 441 . The heater 442 may generate heat to heat the wick 441 . For example, the heater 442 may be a resistive heater. The heater 442 may be disposed in the second chamber C2. An end of the heater 422 may pass through the bottom of the frame 43 and be electrically connected to an electrode disposed on the bottom of the second container 42 .

The plate 45 may be coupled between the first container 41 and the second container 42 or between the first container 41 and the frame 43 . The plate 45 of the frame 43 may cover and seal the open portion of the first chamber C1. The plate 45 may cover the top of the frame 43 . The plate 45 may cover and seal the open portion of the second chamber C2.

The plate 45 may have a connection hole 451 on one side. The connection hole 451 may be located between the inflow passage 412 and the frame passage 4310 . The connection hole 451 may connect the inflow passage 412 and the frame passage 4310 .

The plate 45 may have a liquid inlet hole 454 . The liquid inlet hole 454 may be formed as a pair at a position corresponding to the wick coupling groove 434 . A pair of liquid inlet holes 454 may be located above both ends of the wick 441 . The liquid phase inlet hole 454 may connect the first chamber C1 and the wick coupling groove 434 . The wick 441 may be connected to the first chamber C1 through the liquid inlet hole 454 .

The hook groove 435 may be formed on the upper side of the chamber outlet 432 at a position adjacent to the chamber outlet 432 . The hook 453 may protrude downward from one side of the plate 45 . The hook 453 may be inserted into and fastened to the hook groove 435 formed in the upper portion of the frame 43 . The plate 45 is fastened to the frame 43 , and the first container 41 coupled to the second container 42 may press an edge portion of the plate 45 toward the frame 43 .

Air may be introduced into the cartridge 40 through the cartridge inlet 411 and discharged to the outside of the cartridge 40 through the cartridge outlet 412 . Air introduced into the cartridge 40 flows through the inflow passage 412, the connection hole 451, the frame passage 4310, the chamber inlet 431, the second chamber C2, the chamber outlet 432, and the cartridge outlet. 422 may be sequentially discharged to the outside.

When the heater 442 heats the wick 441, aerosol may be formed in the second chamber C2 from the wick 441. Air passing through the cartridge 40 may be discharged through the cartridge outlet 422 accompanied by aerosol from the second chamber C2.

Referring to FIG. 5 , the chamber inlet 431 may have the shape of a long hole elongated in the longitudinal direction of the wick 441 (see FIG. 3). The width w11 of the chamber inlet 431 may be defined as a length extending along the longitudinal direction of the wick 441 (see FIG. 3). The height w12 of the chamber inlet 431 may be defined as a length extending in the vertical direction perpendicular to the width w11 of the chamber inlet 431 . The width w11 of the chamber inlet 431 may be greater than the height w12 of the chamber inlet 431 . For example, the width w11 of the chamber inlet 431 may be 1.8 mm to 1.9 mm. Also, the height w12 of the chamber inlet 431 may be 1.5 mm to 1.6 mm.

The chamber outlet 432 may have a long hole shape elongated in the longitudinal direction of the wick 441 (see FIG. 3). The width w21 of the chamber outlet 432 may be defined as a length extending along the longitudinal direction of the wick 441 (see FIG. 3). The height w22 of the chamber outlet 432 may be defined as a length extending in the vertical direction perpendicular to the width w21 of the chamber outlet 432 . The width w21 of the chamber outlet 432 may be greater than the height w22 of the chamber outlet 432 .

Accordingly, the air introduced into the second chamber C2 from the chamber inlet 431 spreads over the entire wick 441, thereby uniformly moving the aerosol.

Referring to FIG. 6 , the frame 43 may include an inlet port 431a. The inlet port 431a may protrude outward from one side of the sidewall 430 of the frame 43 . The frame passage 4310 may be formed inside the inlet port 431a. The inlet port 431a may be curved from one end to the other end to have a shape corresponding to the frame passage 4310 . The inlet port 431a may include an inclined surface 431b formed by inclining an outer surface of the inlet port 431a. The inclined surface 431b may be formed by being offset so that the outer surface of the inlet port 431a forms an inclined surface.

The frame 43 may have a discharge port 432a. The discharge port 432a may protrude outward from the other side of the sidewall 430 of the frame 43 . The discharge port 432a may be positioned opposite to the inlet port 431a. The discharge port 432a may protrude in the thickness direction of the side wall 430 . The chamber discharge port 432 may be formed inside the discharge port 432a. The discharge port 432a may include an inclined surface 432b formed by inclining an outer surface of the discharge port 432a.

The frame passage 4310 may open upward. The frame passage 4310 may extend from an open upper end of the frame passage 4310 toward the chamber inlet 431 in a curved manner. The chamber inlet 431 may face the second chamber C2 and communicate with the second chamber C2. The chamber inlet 431 may include a portion that gradually expands toward the second chamber C2. An upper end of the chamber inlet 431 may be inclined upward to gradually widen toward the second chamber C2. The lower end of the chamber inlet 431 may be inclined downward to gradually widen toward the second chamber C2.

Accordingly, the diffusion force of the air flowing into the second chamber C2 from the chamber inlet 431 to the periphery of the wick 441 can be further increased. In addition, the flow efficiency of the air passing through the cartridge 40 is improved, and the amount of aerosol entrained in the air can be increased.

Referring to FIGS. 6 and 7 , inner walls 421a and 422a of the second container 42 may cover the side of the space 424 . The first inner wall 421a may be formed on the opposite side of the cartridge outlet 422 with respect to the space 424 . The second inner wall 422a may be formed to face the first inner wall 422a with respect to the space 424 . The cartridge outlet 422 may be formed by opening the second inner wall 422a.

The inner walls 421a and 422a of the second container 42 may include inclined portions such that the space 424 gradually narrows toward the bottom of the second container 42 . The first inner wall 421a of the second container 42 and the inclined surface 431b of the inlet port 431a may be formed with a corresponding slope. When the frame 43 is inserted into the space 424, the first inner wall 421a and the inclined surface 431b may slide in contact with each other. The first inner wall 421a and the inclined surface 431b may support each other.

The second inner wall 422a of the second container 42 and the inclined surface 432b of the discharge port 432a may have a corresponding slope. When the frame 43 is inserted into the space 424, the second inner wall 422a and the inclined surface 432b may slide in contact with each other. The second inner wall 422a and the inclined surface 432b may support each other. The chamber outlet 432 may communicate with the cartridge outlet 422 .

Accordingly, the frame 43 can be easily inserted into the space 424 .

In addition, formation of a gap between the discharge port 431a and the second container 42 can be reduced, and flow efficiency of air passing through the cartridge 40 can be improved.

Referring to FIGS. 6 and 8 , when the heater 442 heats the wick 441 , aerosol may be generated around the wick 441 . Heat generated from the heater 442 may diffuse to the periphery of the wick 441 in the second chamber C2 together with the aerosol. Air in the second chamber C2 having a high temperature may move to an upper portion of the second chamber C2, and air having a relatively low temperature may move to a lower portion of the second chamber C2.

The chamber inlet 431 faces the second chamber C2, but may be positioned offset from the wick 441. The chamber inlet 431 may face the thickness direction of the side wall 430 . The chamber inlet 431 includes a portion overlapping with the wick 441 in the air flow direction, but may be displaced from the center. The center of the chamber inlet 431 may be located above the central axis of the wick 441 . The first distance d1 from the upper end of the chamber inlet 431 to the central axis of the wick 441 is greater than the second distance d2 from the lower end of the chamber inlet 431 to the central axis of the wick 441. can

The chamber outlet 432 faces the second chamber C2, but may be positioned offset from the wick 441. The chamber outlet 432 may face the thickness direction of the side wall 430 . The chamber outlet 432 includes a portion overlapping with the wick 441 in the air flow direction, but may be displaced from the center. The center of the chamber outlet 432 may be located below the central axis of the wick 441 . The third distance d3 from the upper end of the chamber outlet 432 to the central axis of the wick 441 is smaller than the fourth distance d3 from the lower end of the chamber outlet 432 to the central axis of the wick 441. can

The chamber inlet 431 includes a portion overlapping with the chamber outlet 432 in the air flow direction, but may be disposed off center. The center of the chamber inlet 431 may be located above the center of the chamber outlet 432 .

Accordingly, the amount of air passing through the cartridge 40 carrying heat diffused into the second chamber C2 can be improved (see FIG. 9 ). It can also improve the amount of aerosol entrainment of air passing through the cartridge 40 (see Fig. 9).

The frame 43 may have a first inner inclined surface 430a. It may be formed on the inner surface of the side wall 430 adjacent to the chamber outlet 432 of the frame 43 . The first inner inclined surface 430a may be formed to be inclined in an air flow direction.

A lower surface 452 of the plate 45 may cover the second chamber C2. The plate 45 may include a second inner inclined surface 452a protruding obliquely from the lower surface 452 of the plate 45 in the direction of air flow. The second inner inclined surface 452a may be formed adjacent to the chamber outlet 432 . The second inner inclined surface 452a may cover the second chamber C2. The second inner inclined surface 452a may face the chamber outlet 432 from the lower surface 452 .

Accordingly, the air passing through the second chamber C2 is guided to the chamber outlet 432 by the first inner inclined surface 430a and the second inner inclined surface 452a, so that the air flow efficiency can be improved ( see Figure 9). In addition, a vortex formed when air passing through the second chamber C2 collides with a wall surrounding the second chamber C2 may be reduced.

Referring to FIG. 9, the flow test results (A-1, A-2) for the conventional cartridge and the flow test results (B-1, B-2) for the cartridge according to the embodiment of the present invention can be compared. there is. Comparing A-1 and B-1, the cartridge 40 according to the embodiment of the present invention accompanies heat more uniformly, and the air flow and heat are more smoothly discharged from the cartridge 40, so the fluidity of air is improved. can confirm that it is. Comparing A-2 and B-2, in the case of the cartridge 40 according to the embodiment of the present invention, it can be confirmed that the fluidity of the air is improved because the vortex is less generated and the air flow is smoothly discharged.

1 to 9, a cartridge according to an aspect of the present disclosure includes a first chamber for storing a liquid; a second chamber having a chamber inlet and a chamber outlet positioned opposite to each other; a wick extending between the chamber inlet and the chamber outlet, disposed transversely in the second chamber, and connected to the first chamber; and a heater for heating the wick, wherein a first distance from an upper end of the chamber inlet to a central axis of the wick may be greater than a second distance from a lower end of the chamber inlet to a central axis of the wick.

According to another aspect of the present disclosure, the chamber inlet overlaps the wick in the air flow direction and may be positioned above the central axis of the wick.

According to another aspect of the present disclosure, the chamber inlet may be a long hole extending in a longitudinal direction of the wick.

According to another aspect of the present disclosure, the width w11 of the chamber inlet extending in the longitudinal direction of the wick may be 1.8 mm to 1.9 mm.

According to another aspect of the present disclosure, the height w12 of the chamber inlet extending in the vertical direction of the wick may be 1.5 mm to 1.6 mm.

According to another aspect of the present disclosure, the chamber inlet may include a portion whose cross-sectional area gradually expands in a direction from the chamber inlet toward the inside of the second chamber.

According to another aspect of the present disclosure, the chamber outlet is a long hole extending in the longitudinal direction of the wick, overlapping the wick in the direction of air flow, and positioned below the central axis of the wick. can

According to another aspect of the present disclosure, a first container provided with the first chamber, separated from the first chamber, and having an inflow passage connecting the outside and the chamber inlet; a frame positioned below the first container and having the chamber inlet, the chamber outlet, and the second chamber; and a second container coupled to a lower side of the first container, accommodating the frame therein, and having a cartridge outlet communicating with the chamber outlet.

According to another aspect of the present disclosure, the frame may extend from the inflow passage toward the second chamber in a curved manner, and may include a frame passage connecting the inflow passage and the chamber inlet. can

According to another aspect of the present disclosure, the frame is formed to be inclined from the bottom of the frame to the chamber outlet, around the lower side of the chamber outlet, and guides the air of the second chamber to the chamber outlet. It may contain internal slopes.

According to another aspect of the present disclosure, the first chamber is open downward, the second chamber is open upward, and is coupled between the first container and the frame, so that the first chamber A second inner inclined surface covering the opening and the opening of the second chamber, extending obliquely from a lower surface covering the opening of the second chamber toward the periphery of the chamber outlet, and guiding the air of the second chamber to the chamber outlet; It may further include a plate provided.

According to another aspect of the present disclosure, the chamber outlet is formed therein, and a discharge port protrudes from the frame to one side, surrounds the cartridge outlet, and contacts the inner surface of the second container. can do.

According to another aspect of the present disclosure, the discharge port and the inner surface of the second container in contact with the discharge port may be inclined at a corresponding slope.

According to another aspect of the present disclosure, a first chamber for storing a liquid; a second chamber having a chamber inlet and a chamber outlet positioned opposite to each other; a wick extending long in one direction from the second chamber between the chamber inlet and the chamber outlet and connected to the first chamber; and a heater for heating the wick, and the chamber inlet may be formed longer in a longitudinal direction of the wick toward the wick.

An aerosol generating device according to an aspect of the present disclosure includes the cartridge; And a body to which the cartridge is coupled; As a body, one side communicates with the chamber discharge port, the other side may include a body providing an insertion space opened to the outside.

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 (15)

a first chamber for storing liquid;
a second chamber having a chamber inlet and a chamber outlet positioned opposite to each other;
a wick extending between the chamber inlet and the chamber outlet, disposed transversely in the second chamber, and connected to the first chamber; and
Including a heater for heating the wick,
The first distance from the upper end of the chamber inlet to the central axis of the wick is greater than the second distance from the lower end of the chamber inlet to the central axis of the wick.
According to claim 1,
The chamber inlet overlaps the wick in the direction of air flow and is positioned above the central axis of the wick.
According to claim 1,
The chamber inlet,
A cartridge that is a long hole extending in the longitudinal direction of the wick.
According to claim 3,
A cartridge having a width (w11) of the chamber inlet extending in the longitudinal direction of the wick is 1.8 mm to 1.9 mm.
According to claim 2,
A cartridge having a height (w12) of the chamber inlet extending in the vertical direction of the wick is 1.5 mm to 1.6 mm.
According to claim 1,
The chamber inlet,
A cartridge comprising a portion whose cross-sectional area gradually expands in a direction from the chamber inlet toward the inside of the second chamber.
According to claim 1,
The chamber outlet,
A cartridge that is a long hole extending in the longitudinal direction of the wick, overlaps the wick in the direction of air flow, and is located below the central axis of the wick.
According to claim 1,
a first container provided with the first chamber, separated from the first chamber, and having an inflow passage connecting the outside and the chamber inlet;
a frame positioned below the first container and having the chamber inlet, the chamber outlet, and the second chamber; and
A cartridge including a second container coupled to a lower side of the first container, accommodating the frame therein, and having a cartridge outlet communicating with the chamber outlet.
According to claim 8,
the frame,
A cartridge having a frame passage extending from the inflow passage toward the second chamber in a curved manner and connecting the inflow passage and the chamber inlet.
According to claim 8,
the frame,
A cartridge comprising a first inner inclined surface formed at a lower periphery of the chamber outlet, inclined from the bottom of the frame to the chamber outlet, and guiding air in the second chamber to the chamber outlet.
According to claim 10,
The first chamber is opened downward,
The second chamber is open upward,
coupled between the first container and the frame, covering the openings of the first chamber and the second chamber, and extending obliquely toward the periphery of the chamber discharge port from a lower surface covering the opening of the second chamber; A cartridge further comprising a plate having a second inner inclined surface for guiding the air of the second chamber to the chamber outlet.
According to claim 9,
A cartridge including a discharge port forming the chamber discharge port therein, protruding from the frame to one side, surrounding the periphery of the cartridge discharge port, and contacting an inner surface of the second container.
According to claim 12,
The discharge port and the inner surface of the second container in contact with the discharge port are inclined at a corresponding inclination to each other.
a first chamber for storing liquid;
a second chamber having a chamber inlet and a chamber outlet positioned opposite to each other;
a wick extending long in one direction from the second chamber between the chamber inlet and the chamber outlet and connected to the first chamber; and
Including a heater for heating the wick,
The chamber inlet,
A cartridge facing the wick and formed longer in the longitudinal direction of the wick.
a cartridge according to claim 1 or 14; and
a body to which the cartridge is coupled; As, an aerosol generating device comprising a body for providing an insertion space in which one side is in communication with the chamber outlet and the other side is open to the outside.

Images