JP7785949B2 - Cartridge and aerosol generating device including the same - Google Patents

Description

The present disclosure relates to a cartridge and an aerosol generating device.

Aerosol generating devices are used to extract specific components from a medium or substance via an aerosol. The medium can contain a variety of substances. The substances contained in the medium can be flavoring substances with a variety of components. For example, the substances contained in the medium can include nicotine, herbal, and/or coffee components. In recent years, much research has been conducted into such aerosol generating devices.

This disclosure aims to solve the above-mentioned problems and other problems.

Another object of the present disclosure is to improve the efficiency of air flow through the cartridge.

A further object of the present disclosure is to increase the amount of aerosol entrained in the air passing through the cartridge.

In order to achieve the above-mentioned object, one aspect of the present disclosure provides a cartridge including: a first chamber configured to store a liquid; a second chamber formed with a chamber inlet and a chamber outlet, the chamber outlet being located on the side of the second chamber opposite the position of the chamber inlet; a wick extending transversely to the chamber inlet and the chamber outlet, located between the chamber inlet and the chamber outlet, and connected to the liquid stored in 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 the central axis of the wick.

At least one of the embodiments of the present disclosure can improve the efficiency of air flow through the cartridge.

At least one embodiment of the present disclosure can increase the amount of aerosol entrained in the air passing through the cartridge.

Further scope of applicability of the present disclosure will become apparent from the following detailed description. However, since various changes and modifications within the spirit and scope of the present disclosure will be apparent to 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 by way of example only.

FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure.

The embodiments disclosed in this specification will now be described in detail with reference to the accompanying drawings. Identical or similar components will be given the same reference numerals even if they are shown in different drawings, and redundant descriptions will be omitted.

The suffixes "module" and "section" used in the following description for components are used solely for ease of explanation. "Module" and "section" do not have distinct meanings or roles.

Furthermore, in the following description of the embodiments disclosed herein, detailed descriptions of related publicly known technologies will be omitted if they may obscure the gist of the embodiments disclosed herein. Furthermore, the attached drawings are intended to facilitate understanding of the embodiments disclosed herein, and do not limit the technical concepts disclosed herein. Therefore, the attached drawings should be interpreted as including all modifications, equivalents, and alternatives within the spirit and scope of the present disclosure.

Terms including ordinal numbers such as "first," "second," etc. may be used to describe various components, but it should be understood that the components are not limited by these terms. These terms are used solely to distinguish one component from another.

When a component is said to be "connected" to another component, it is understood that there may be other components in between. On the other hand, when a component is said to be "directly connected" to another component, it is understood that there are no other components in between.

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

Below, the directions of the aerosol generating device 100 are defined based on the coordinate system shown in the drawings.

In the coordinate system, the x-axis direction can be defined as the front-to-back direction of the aerosol generating device 100. Here, with respect to the origin, the direction toward +x can be the front direction, and the direction toward -x can be the rear direction.

In the coordinate system, the y-axis direction can be defined as the left-right direction of the aerosol generating device 100. Here, with respect to the origin, the direction toward +y can be the right direction, and the direction toward -y can be the left direction.

In the coordinate system, the z-axis direction can be defined as the vertical direction of the aerosol generating device 100. Here, with respect to the origin, the direction toward +z can be the upward direction, and the direction toward -y can be the downward direction.

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

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

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

The battery 10 can supply power to operate at least one of the control unit 20, heater 30, and cartridge 40. The battery 10 can also supply the power necessary to operate the display, sensor, motor, etc. provided in the aerosol generating device 100.

The control unit 20 can control the overall operation of the aerosol generation device 100. The control unit 20 can control the operation of at least one of the battery 10, heater 30, and cartridge 40. The control unit 20 can control the operation of the display, sensors, motors, etc. provided in the aerosol generation device 100. The control unit 20 can check the status of each component of the aerosol generation device 100 and determine whether the aerosol generation device 100 is in an operable state.

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

The cartridge 40 can generate an aerosol. The aerosol generated in the cartridge 40 can be transmitted to the user through the stick 200 inserted into the aerosol generating device 100.

Referring to Figures 3 and 4, the cartridge 40 may include a first container 41 and a second container 42. The first container 41 may be attached to the upper side of the second container 42. A plate 45 may be attached 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 have a first chamber C1 in which a liquid can be stored. The first container 41 surrounds the first chamber C1, and the bottom of the first chamber C1 may be open. The opening of the first chamber C1 may be covered by a plate 45.

The first container 41 may have an inlet passage 412 through which air passes. The first chamber C1 and the inlet passage 412 may be isolated from each other. The inlet passage 412 may extend vertically 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 the top of the first container 41 and may be connected to the inlet channel 412. The cartridge inlet 411 may be connected to the upper end of the inlet channel 412. The lower end of the inlet channel 412 may be connected to the connecting hole 451, the frame channel 451, and the chamber inlet 431.

The second container 42 may be connected to the bottom of the first container 41. The second container 42 may have a space 424 that is open at the top and covered at the bottom. The frame 43 may be housed inside the space 424 of the second container 42.

The second container 42 may have a cartridge discharge port 422. The cartridge discharge port 422 may be formed on one side of the second container 42. The cartridge discharge port 422 may be formed inside a port that protrudes from the side of the second container 42 in the thickness direction. The cartridge discharge port 422 may be in communication with the space 424.

The frame 43 can be inserted into the space 424 inside the second container 42 and connected to the second container 42. Fastening members 426 protruding from the sidewall of the second container 42 into the space 424 can be fastened to the frame 43 to secure the frame 43.

The frame 43 may have a second chamber C2 inside. The frame 43 surrounds the second chamber C2, and the top of the second chamber C2 may be open. The top 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 the side wall surrounding the second chamber C2. The chamber inlet 431 may be connected to the second chamber C2. The frame channel 4310 may open to the upper side of the frame 43. The chamber inlet 431 may be connected to one end of the frame channel 4310. The frame channel 4310 may extend downward from the upper end of the frame channel 4310 and extend in a curved shape to the chamber inlet 431.

The frame 43 may have a chamber outlet 432. The chamber outlet 432 may be formed on one side of the frame 43. The chamber outlet 432 may be connected to the second chamber C2. The chamber outlet 432 may be formed inside a port protruding in the thickness direction from the side of the frame 43. The chamber outlet 432 may be connected to 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 the second chamber inlet 431 with respect to the second chamber C2. When the frame 43 is coupled to the second container 32, the chamber outlet 432 and the cartridge outlet 422 may be connected to each other.

The frame 43 may have a core coupling groove 434 therein. The core coupling groove 434 may be connected to the second chamber C2. The core coupling groove 434 may be formed by recessing one side of the second chamber C2. The core coupling grooves 434 may be formed in pairs, and the pair of core coupling grooves 434 may be formed to be located on opposite sides of the second chamber C2. The top of the core coupling groove 434 may be open.

The wick 441 may have a cylindrical shape extending horizontally in the second chamber C2. Both ends of the wick 441 may be inserted into 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 is connected to the first chamber C1 and can receive liquid from the first chamber C1. The wick 441 may be fixed in the wick coupling groove 434 by the frame 43 and plate 45.

The heater 442 may be wrapped around 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 442 may pass through the bottom of the frame 43 and be electrically connected to an electrode disposed at the bottom of the second container 42.

The plate 451 can be connected between the first container 41 and the second container 42 or between the first container 41 and the frame 43. The plate 45 can cover and seal the opening of the first chamber C1. The plate 45 can cover the top of the frame 43. The plate 45 can cover and seal the opening 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 inlet channel 412 and the frame channel 4310. The connection hole 451 may connect the inlet channel 412 and the frame channel 4310.

The plate 45 may have liquid inlet holes 454. A pair of liquid inlet holes 454 may be formed at positions corresponding to the wick coupling groove 434. The pair of liquid inlet holes 454 may be located above both ends of the wick 441. The liquid inlet holes 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 holes 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 the hook groove 435 formed on the upper part of the frame 43 and fastened. When the plate 45 is fastened to the frame 43, the first container 41 coupled to the second container 42 can push the edge of the plate 45 toward the frame 43.

Air can flow into the cartridge 40 through the cartridge inlet 411 and be discharged to the outside of the cartridge 40 through the cartridge outlet 412. Air that flows into the cartridge 40 can be discharged to the outside by sequentially passing through the inlet channel 412, the connecting hole 451, the frame flow path 4310, the chamber inlet 431, the second chamber C2, the chamber outlet 432, and the cartridge outlet 422.

When the heater 442 heats the wick 441, an aerosol can be formed from the wick 441 in the second chamber C2. Air passing through the cartridge 40 can be discharged from the second chamber C2 to the cartridge outlet 422, carrying the aerosol with it.

Referring to FIG. 5, the chamber inlet 431 may be formed in the shape of a slot extending in the longitudinal direction of the wick 441 (see FIG. 3). The width w11 of the chamber inlet 431 may be defined as the length extending in the longitudinal direction of the wick 441 (see FIG. 3). The height w12 of the chamber inlet 431 may be defined as the 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 approximately 1.8 mm to 1.9 mm. And, the height w12 of the chamber inlet 431 may be approximately 1.5 mm to 1.6 mm.

The chamber outlet 432 may be formed in the shape of a slot extending in the longitudinal direction of the wick 441 (see FIG. 3). The width w21 of the chamber outlet 432 may be defined as the length extending in the longitudinal direction of the wick 441 (see FIG. 3). The height w22 of the chamber outlet 432 may be defined as the 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.

Therefore, the air flowing into the second chamber C2 from the chamber inlet 431 is dispersed throughout the entire area of the wick 441, allowing the aerosol to move evenly.

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 channel 4310 may be formed inside the inlet port 431a. The inlet port 431a may extend in a curved manner from one end to the other to have a shape corresponding to the frame channel 4310. The inlet port 431a may include an inclined surface 431b formed by inclining the outer surface of the inlet port 431a. The inclined surface 431b may be formed in an offset shape so that the outer surface of the inlet port 431a forms a slope.

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

The frame channel 4310 may be open upward. The frame channel 4310 may extend curvedly from the open upper end of the frame channel 4310 toward the chamber inlet 431. 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 widens toward the second chamber C2. The upper end of the chamber inlet 431 may be angled upward so as to gradually widen toward the second chamber C2. The lower end of the chamber inlet 431 may be angled downward so as to gradually widen toward the second chamber C2.

This increases the diffusion force of the air flowing into the second chamber C2 from the chamber inlet 431 toward the periphery of the wick 441. It also improves the flow efficiency of the air passing through the cartridge 40, increasing the amount of aerosol carried in the air.

Referring to Figures 6 and 7, the inner walls 421a, 422a of the second container 42 can cover the sides of the space 424. The first inner wall 421a can be formed on the opposite side of the space 424 from the cartridge discharge port 422. The second inner wall 422a can be formed to face the first inner wall 421a with respect to the space 424. The cartridge discharge port 422 can be formed by an opening in the second inner wall 422a.

The inner walls 421a, 422a of the second container 42 may include inclined portions so 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 corresponding slopes. When the frame 43 is inserted into the space 424, the first inner wall 421a and the inclined surface 431b may come into contact with each other and slide. 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 be formed with a corresponding slope. When the frame 43 is inserted into the space 424, the second inner wall 422a and the inclined surface 432b can contact and slide against each other. The second inner wall 422a and the inclined surface 432b can support each other. The chamber discharge port 432 can communicate with the cartridge discharge port 422.

This allows the frame 43 to be easily inserted into the space 424.

In addition, the formation of a gap between the discharge port 432a and the second container 42 can be reduced, improving the flow efficiency of air passing through the cartridge 40.

Referring to Figures 6 and 8, when the heater 442 heats the wick 441, an aerosol can be generated around the wick 441. The heat generated by the heater 442 can diffuse around the wick 441 in the second chamber C2 along with the aerosol. The air in the second chamber C2, which has become hot, can move to the top of the second chamber C2, and the relatively cooler air can move to the bottom of the second chamber C2.

The chamber inlet 431 may face the second chamber C2. The chamber inlet 431 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 may include a portion that overlaps with a portion of the wick 441 in the air flow direction and may be positioned offset from its center. The center of the chamber inlet 431 may be positioned above the central axis of the wick 441. A first distance d1 from the upper end of the chamber inlet 431 to the central axis of the wick 441 may be greater than a second distance D2 from the lower end of the chamber inlet 431 to the central axis of the wick 441.

The chamber outlet 432 may face the second chamber C2. The chamber outlet 432 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 may include a portion that overlaps with a portion of the wick 441 in the air flow direction and may be positioned offset from its center. The center of the chamber outlet 432 may be positioned below the central axis of the wick 441. A third distance D3 from the upper end of the chamber outlet 432 to the central axis of the wick 441 may be smaller than a fourth distance D3 from the lower end of the chamber outlet 432 to the central axis of the wick 441.

The chamber inlet 431 may include a portion that overlaps with a portion of the chamber outlet 432 in the air flow direction, and may be positioned off-center. The center of the chamber inlet 431 may be located above the center of the chamber outlet 432.

As a result, a large amount of heat diffused into the second chamber C2 can be carried by the air passing through the cartridge 40 (see Figure 9). Furthermore, the amount of aerosol carried by the air passing through the cartridge 40 can be increased (see Figure 9).

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

The lower surface 452 of the plate 45 may cover the second chamber C2. The plate 45 may include a second inner inclined surface 452a that protrudes obliquely from the lower surface 452 of the plate 45 in the air flow direction. 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 extend from the lower surface 452 to the chamber outlet 432.

Therefore, air passing through the second chamber C2 can be guided to the chamber outlet 432 by the first internal inclined surface 430a and the second internal inclined surface 452a. As a result, air flow efficiency can be improved (see FIG. 9). In addition, vortices formed when air passing through the second chamber C2 collides with the wall surrounding the second chamber C2 can be reduced.

Figures 9 (A-1) and (A-2) show the results of a flow experiment on a conventional cartridge, while Figures 9 (B-1) and (B-2) show the results of a flow experiment on a cartridge according to an embodiment of the present invention. Comparing the results of Figures 9 (A-1) and (B-1) reveals that the cartridge 40 according to an embodiment of the present invention more evenly distributes heat in the air and allows air and heat to be discharged more smoothly from the cartridge 40. In other words, the cartridge 40 according to an embodiment of the present disclosure improves air fluidity. Furthermore, comparing the results of Figures 9 (A-2) and (B-2) reveals that the cartridge 40 according to an embodiment of the present invention reduces the generation of vortices and allows air to be discharged more smoothly from the cartridge. In other words, the cartridge 40 according to an embodiment of the present invention improves air fluidity.

Referring to Figures 1 to 9, a cartridge according to one aspect of the present disclosure includes a first chamber configured to store a liquid; a second chamber formed with a chamber inlet and a chamber outlet, the chamber outlet being located on the side of the second chamber opposite the position of the chamber inlet; a wick extending transversely to the chamber inlet and the chamber outlet, located between the chamber inlet and the chamber outlet, and connected to the liquid stored in 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.

According to another aspect of the present disclosure, the chamber inlet may overlap a portion of the wick in the direction of air flow between the chamber inlet and the chamber outlet, and the central axis of the chamber inlet may be located above the central axis of the wick.

According to another aspect of the present disclosure, the chamber inlet may form a slot extending longitudinally of the wick.

According to another aspect of the present disclosure, the chamber inlet may have a width of approximately 1.8 mm to 1.9 mm relative to the longitudinal direction of the wick.

According to another aspect of the present disclosure, the chamber inlet may have a height of approximately 1.5 mm to 1.6 mm relative to the radial direction of the core.

According to another aspect of the present disclosure, the chamber inlet may include a portion formed so that the cross-sectional area gradually increases in a direction extending from the chamber inlet into the interior of the second chamber.

According to another aspect of the present disclosure, the chamber outlet may form a slot extending longitudinally of the wick, overlapping a portion of the wick in the direction of air flow between the chamber inlet and the chamber outlet, and the central axis of the chamber outlet may be located below the central axis of the wick.

According to another aspect of the present disclosure, the cartridge may further include a first container including the first chamber, formed to be isolated from the first chamber, and formed to include an inlet channel connecting the outside to the chamber inlet; a frame located below the first container and forming the chamber inlet, the chamber outlet, and the second chamber; and a second container coupled to the below of the first container, accommodating the frame therein, and forming a cartridge outlet communicating with the chamber outlet.

According to another aspect of the present disclosure, the frame may form a frame flow path that curves and extends from the inlet channel toward the second chamber, connecting the inlet channel to the chamber inlet.

According to another aspect of the present disclosure, the frame may include a first internal inclined surface formed below the chamber outlet and extending from the bottom of the frame to the chamber outlet to guide air from the second chamber to the chamber outlet.

According to another aspect of the present disclosure, the first chamber may open downward, and the second chamber may open upward. The cartridge may further include a plate disposed between the first container and the frame and covering the openings of the first chamber and the second chamber, and the plate may include a second internal inclined surface extending obliquely from the lower surface toward the periphery of the chamber outlet so as to cover the opening of the second chamber and guide air from the second chamber to the chamber outlet.

According to another aspect of the present disclosure, the frame may have the chamber outlet therein and may protrude from the frame to form an outlet port that surrounds the cartridge outlet and contacts the inner surface of the second container.

According to another aspect of the present disclosure, the discharge port and the inner surface of the second container that contacts the discharge port may be formed at an angle that corresponds to each other.

A cartridge according to another aspect of the present disclosure includes a first chamber configured to store a liquid, a second chamber forming a chamber inlet and a chamber outlet, the chamber outlet being located on the side of the second chamber opposite the position of the chamber inlet, a wick extending in one direction and located within the second chamber between the chamber inlet and the chamber outlet and connected to the first chamber, and a heater for heating the wick, wherein the chamber inlet faces the wick and may be longer in the longitudinal direction of the wick than in the radial direction of the wick.

An aerosol generating device according to one aspect of the present disclosure may include the cartridge and a body coupled to the cartridge, and the body may form an insertion space having one side communicating with the chamber outlet and the other side opening to the outside.

The specific embodiments or other embodiments of the present disclosure described above are not mutually exclusive or distinct. The structure or function of any specific element or all elements of the embodiments of the present disclosure described above may be combined with other elements or combined with each other.

For example, configuration A described in one embodiment of this disclosure and drawings and configuration B described in another embodiment of this disclosure and drawings can be combined with each other. In other words, even if a combination between configurations is not directly described, the combination is possible unless it is described that the combination is not possible.

While the embodiments have been described above in accordance with a number of exemplary embodiments, it should be understood by those skilled in the art that many other variations and embodiments are possible within the scope of the principles of the present disclosure. More particularly, various modifications and variations are possible in the components and/or arrangements of the subject combinations within the scope of this disclosure, the drawings, and the appended claims. In addition to the modifications and variations of the components and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (14)

a first chamber configured to store a liquid;
a second chamber having a chamber inlet and a chamber outlet formed therein, the chamber outlet being located on a side of the second chamber opposite the position of the chamber inlet;
a wick extending transversely to the chamber inlet and the chamber outlet, the wick being positioned between the chamber inlet and the chamber outlet and connected to a liquid stored in the first chamber;
a heater for heating the wick;
an inflow channel that connects the outside with the chamber inlet;
a frame flow path connecting the inlet and the chamber inlet ,
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;
The frame flow path extends from the inlet channel toward the second chamber in a curved manner. The cartridge described in claim 1, wherein the chamber inlet overlaps a portion of the wick in the direction of air flow between the chamber inlet and the chamber outlet, and the central axis of the chamber inlet is located above the central axis of the wick. The cartridge of claim 1, wherein the chamber inlet forms a slot extending longitudinally of the wick. The cartridge described in claim 3, wherein the chamber inlet has a width of 1.8 mm to 1.9 mm in the longitudinal direction of the core. The cartridge described in claim 2, wherein the chamber inlet has a height of 1.5 mm to 1.6 mm relative to the radial direction of the core. The cartridge described in claim 1, wherein the chamber inlet includes a portion formed so that the cross-sectional area gradually increases in a direction extending from the chamber inlet into the interior of the second chamber. The cartridge described in claim 1, wherein the chamber outlet forms a slot extending in the longitudinal direction of the wick, overlaps with a portion of the wick in the direction of air flow between the chamber inlet and the chamber outlet, and the central axis of the chamber outlet is located below the central axis of the wick. a first container configured to include the first chamber and the inlet channel configured to isolate the first chamber;
a frame positioned below the first container and defining the chamber inlet, the chamber outlet, and the second chamber;
10. The cartridge of claim 1, further comprising: a second container coupled to a lower side of the first container, the second container receiving the frame therein and defining a cartridge outlet in communication with the chamber outlet. The cartridge of claim 8, wherein the frame includes a first internal inclined surface formed below the chamber outlet and extending from the bottom of the frame to the chamber outlet to guide air from the second chamber to the chamber outlet. The first chamber is open downward,
The second chamber is open to the top,
the cartridge further includes a plate disposed between the first container and the frame and covering the opening of the first chamber and the opening of the second chamber;
The cartridge of claim 9, wherein the plate includes a second internal inclined surface that extends obliquely from the lower surface toward the periphery of the chamber outlet so as to cover the opening of the second chamber and guide air from the second chamber to the chamber outlet. The cartridge of claim 8 , wherein the frame has the chamber outlet therein and protrudes from the frame to surround the cartridge outlet periphery and form an outlet port that contacts the inner surface of the second container. The cartridge according to claim 11 , wherein the discharge port and an inner surface of the second container that contacts the discharge port are formed obliquely at corresponding inclinations. a first chamber configured to store a liquid;
a second chamber defining a chamber inlet and a chamber outlet, the chamber outlet being located on a side of the second chamber opposite the location of the chamber inlet;
a wick extending in one direction and positioned within the second chamber between the chamber inlet and the chamber outlet, the wick being connected to the first chamber;
a heater for heating the wick;
an inflow channel that connects the outside with the chamber inlet;
a frame flow path connecting the inlet and the chamber inlet ,
The chamber inlet faces the wick and is longer in a longitudinal direction of the wick than in a radial direction of the wick ;
The frame flow path extends from the inlet channel toward the second chamber in a curved manner. a cartridge according to claim 1 or claim 13 ;
a body to which the cartridge is coupled, the body forming an insertion space having one side communicating with the chamber outlet and the other side opening to the outside;