Aerosol Generator

Abstract

An aerosol generating device is disclosed. The aerosol generating device of the present disclosure includes a cartridge that extends long and contains a liquid therein, a column that extends long on one side of the cartridge, a cap that covers the cartridge and the column, and an insertion space into which a stick is inserted. The cap includes a stick support that extends long and is disposed between the cartridge and the column, and the insertion space is defined by an outer wall of the cartridge and the stick support.

Description

[Technical Field]

[0001] The present disclosure relates to aerosol generating devices. [Background technology]

[0002] An aerosol generating device is used to extract a predetermined component from a medium or substance via an aerosol. The medium may contain a variety of components. The components contained in the medium may be flavorings of a variety of components. For example, the components contained in the medium may include nicotine, herbal, and / or coffee components. In recent years, much research has been conducted on such aerosol generating devices. Summary of the Invention [Problem to be solved by the invention]

[0003] The present disclosure is directed to solving the above-mentioned problems and other problems.

[0004] Another object of the present disclosure is to provide an aerosol generating device in which an insertion space into which a stick is inserted is formed by the body, cartridge, and cap.

[0005] It is yet another object of the present disclosure to provide an aerosol generating device that allows the use of a stick with the body, cartridge and cap all connected to one another. [Means for solving the problem]

[0006] To achieve the above-mentioned object, an aerosol generating device according to one aspect of the present disclosure includes a cartridge that extends long and contains a liquid therein, a column that extends long on one side of the cartridge, a cap that covers the cartridge and the column, and an insertion space into which a stick is inserted. The cap includes a stick support that extends long and is disposed between the cartridge and the column, and the insertion space may be formed by an outer wall of the cartridge and the stick support. [Effects of the Invention]

[0007] According to at least one of the embodiments of the present disclosure, the body, the cartridge, and the cap can form an insertion space into which the stick is inserted.

[0008] According to at least one of the embodiments of the present disclosure, the position of the stick can be fixed when the body, cartridge, and cap are all coupled together.

[0009] 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. [Brief explanation of the drawings]

[0010] The above and other objects, features and characteristics of the present disclosure will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

[0011] [Figure 1] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 2] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 3] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 4] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 5] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 6] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 7] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 8]FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 9] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 10] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 11] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. [Figure 12] FIG. 1 illustrates an example of an aerosol generating device according to an embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0012] Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings. For the sake of simplicity of description with reference to the drawings, identical or similar components will be given the same reference numerals, and redundant description thereof will be omitted.

[0013] The suffixes "module" and "section" for components used in the following description are for ease of description only and do not have any special meaning or role.

[0014] In this disclosure, those well known to those skilled in the art will be omitted for the sake of brevity. It should be understood that the accompanying drawings are intended to facilitate understanding of various technical features, and that the embodiments disclosed herein are not limited to the accompanying drawings. Therefore, the present disclosure should be construed as including all modifications, equivalents, and alternatives in addition to those specifically disclosed in the accompanying drawings.

[0015] 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 the terms. The terms are used only to distinguish one component from another.

[0016] When a component is said to be "connected" to another component, it will be understood that there may be other components in between, whereas when a component is said to be "directly connected" to another component, it will be understood that there are no other components in between.

[0017] The singular expression includes the plural expression unless the context clearly dictates otherwise.

[0018] Referring to FIG. 1, the aerosol generating device 10 may include at least one of a body 100 , a cartridge 200 , and a cap 300 .

[0019] The body 100 may include at least one of a lower body 110 and an upper body 120. The lower body 110 may house various components necessary for power supply and control, such as a battery and a control unit, inside. The lower body 110 may form the outer shape of the aerosol generating device 10. The upper body 120 may be disposed above the lower body 110. The cartridge 200 may be coupled to the upper body 120. The body 100 may be referred to as the main body 100.

[0020] The upper body 120 may include at least one of a mount 130 and a column 140. The mount 130 may be disposed above the lower body 110. The mount 130 may provide a space 134 into which the lower part of the cartridge 200 is inserted. The mount 130 may be open at the top and have a shape that surrounds the space 134 on the inside. The mount 130 may surround the lower part of the cartridge 200 inserted into the space 134. The mount 130 may be fastened to the cartridge 200. The mount 130 may support the lower part of the cartridge 200.

[0021] The column 140 may be disposed on the upper side of the lower body 110. The column 140 may have an elongated shape. The column 140 may extend upward from one side of the mount 130. The column 140 may face one side wall of the cartridge 200. The column 140 may be disposed parallel to the cartridge 200. The column 140 may have a shape that surrounds a portion of the cartridge 200. The column 140 may support a portion of the cartridge 200.

[0022] The cartridge 200 may be detachably coupled to the body 100. The cartridge 200 may provide a space for storing a liquid therein. The insertion space 214 may be formed by an outer wall 211 of the cartridge 200. The insertion space 214 may be formed inside the cartridge 200. At least a portion of the insertion space 214 may be formed as a space surrounded by the outer wall 211 of the cartridge 200.

[0023] The cartridge 200 can include at least one of a first container 210 and a second container 220. The second container 220 can be coupled to the first container 210.

[0024] The first container 210 may be coupled to the upper side of the second container 220. The first container 210 may provide a space for storing liquid therein. The first container 210 is open at the top and may provide an insertion space 214 that extends vertically. A stick 400 (see FIG. 7) may be inserted into the insertion space 214. The first container 210 may be disposed above the mount 130.

[0025] The second container 220 may be coupled to the underside of the first container 210. The second container 220 may provide a space in which a wick 261 (see FIG. 6) and a heater 262 (see FIG. 2) are provided. The second container 220 may be inserted into the space 134 provided by the mount 130. The space 134 of the mount 130 may be referred to as the container receiving space 134. The mount 130 may surround the second container 220. The second container 220 may be coupled to the mount 130.

[0026] The cap 300 can be detachably coupled to the body 100. The cap 300 can cover the cartridge 200. The cap 300 can cover at least a portion of the body 100. The cap 300 can protect the cartridge 200 and / or at least a portion of the body 100 from the outside. A user can detach the cap 300 from the body 100 and replace the cartridge 200.

[0027] The cap 300 can be attached to the top of the body 100. The cap 300 can be attached to the top side of the lower body 110. The cap 300 can cover the upper body 120. The cap 300 can cover the cartridge 200. The side wall 301 of the cap 300 can surround the side of the cartridge 200. The side wall 301 of the cap 300 can surround the side of the upper body 120. The top wall 303 of the cap 300 can cover the top of the cartridge 200. The top wall 303 of the cap 300 can cover the top of the column 140.

[0028] The cap 300 may have an insertion opening 304. The insertion opening 304 may be formed in an upper wall 303 of the cap 300. The insertion opening 304 may be formed at a position corresponding to the insertion space 214. The insertion opening 304 may communicate with one end or the upper end of the insertion space 214.

[0029] The cap 300 may include a cap inlet 304a. The cap inlet 304a may be formed on one side of the cap 300. For example, the cap inlet 304a may be formed in the upper wall 303 of the cap 300. For example, the cap inlet 304a may be formed in the side wall 301 of the cap 300. The cap inlet 304a may be connected to the outside. Air may flow into the aerosol generating device 10 through the cap inlet 304a.

[0030] 2, the inner surface 131 and bottom 133 of the mount 130 may surround at least a portion of the space 134. The inner surface 141 of the column 140 may surround one side of the space 134. The second container 220 may be inserted into the space 134 provided by the mount 130. The mount 130 may surround the second container 220 inserted into the space 134.

[0031] The cartridge 200 may be connected to the mount 130 by a snap-fit ​​method. The second container 220 may be connected to the mount 130 by a snap-fit ​​method. The second container 220 may be detachably fastened to the mount 130. When the second container 220 is inserted into the space 134 of the mount 130, a recess 221a formed in the second container 220 may be fastened to a protrusion 131a formed in the mount 130.

[0032] The recessed portion 221a may be formed to be recessed inward from the side wall 221 of the second container 220. The recessed portion 221a may include a plurality of recessed portions, which may be formed on one side and the other side of the side wall 221 of the second container 220. The protrusion 131a may protrude from the inner surface 131 of the mount 130. The protrusion 131a may include a plurality of protrusions, which may be formed on one side and the other side of the inner surface 131 of the mount 130. The protrusions 131a may be formed at positions corresponding to the recessed portion 221a.

[0033] When the second container 220 is coupled to the mount 130, the first container 210 may be positioned above the mount 130. The first container 210 may have a shape that protrudes laterally more than the second container 220. The second container 220 is inserted into the space 134 surrounded by the mount 130, and the first container 210 may cover the top of the mount 130.

[0034] The mount 130 can support the bottom of the cartridge 200. The mount 130 can support the sides and bottom of the second container 220. The mount 130 can support the lower edge of the first container 210.

[0035] The column 140 may extend upward from one side of the mount 130. The column 140 may surround one side of the space 134 of the mount 130. An inner surface 141 of the column 140 may be integrally formed and extend from the inner surface 131 of the mount 130. An outer surface 142 of the column 140 may be integrally formed and extend from the outer surface 132 of the mount 130.

[0036] The column 140 may extend to a height corresponding to the cartridge 200. An upper wall 143 of the column 140 may be formed to a height corresponding to the upper end of the cartridge 200. The column 140 may be formed parallel to the cartridge 200.

[0037] The column 140 can surround a portion of the cartridge 200 in which the insertion space 214 is formed. The portion of the cartridge 200 can be inserted into the mount 130 by sliding along the inner surface 141 of the column 140.

[0038] 3 to 5, the cap 300 can be detachably coupled to the body 100. The cap 300 can protect the cartridge 200 and a part of the body 100 from the outside. A user can replace the cartridge 200 by separating the cap 300 from the body.

[0039] Coupling protrusions 132a, 132b may be formed on outer surfaces 132, 142 of the upper body 120. The coupling protrusions 132a, 132b may be formed on the outer surface 132 of the mount 130. The coupling protrusions 132a, 132b may be formed on the outer wall 142 of the column 140. The coupling protrusions 132a, 132b may include a first coupling protrusion 132a and a second coupling protrusion 132b. The first coupling protrusion 132a and the second coupling protrusion 132b may be arranged one above the other.

[0040] The first coupling protrusion 132a may protrude outward from the outer surface of the upper body 120. The first coupling protrusion 132a may include a plurality of first coupling protrusions. Any one of the plurality of first coupling protrusions 132a may protrude outward from the outer surface 132 of the mount 130. The first coupling protrusion 132a may be formed at a position on the opposite side of the column 140. The other of the plurality of first coupling protrusions 132a may protrude outward from the outer wall 142 of the column 140.

[0041] The first coupling protrusion 132a may protrude outward more than the second coupling protrusion 132b. The first coupling protrusion 132a may be disposed below the second coupling protrusion 132b. The first coupling protrusion 132a may have a width smaller than that of the second coupling protrusion 132b. The first coupling protrusion 132a may have a shape that narrows in the lateral direction. The first coupling protrusion 132a may have a shape that gradually narrows from the bottom to the top.

[0042] The second coupling protrusion 132b may protrude outward from the outer surface of the upper body 120. The second coupling protrusion 132b may protrude in a convex or round shape. The second coupling protrusion 132b may include a plurality of second coupling protrusions. Any one of the plurality of second coupling protrusions 132b may protrude outward from the outer surface 132 of the mount 130. The second coupling protrusion 132b may be formed on the opposite side of the column 140. The second coupling protrusion 132b may have a shape that extends elongatedly along the periphery of the outer surface 132 of the mount 130. Another of the plurality of second coupling protrusions 132b may protrude outward from the outer wall 142 of the column 140. The second coupling protrusion 132b may have a shape that extends elongatedly along the periphery of the outer wall 142 of the column 140.

[0043] The coupling grooves 302a and 302b may be formed on an inner surface 302 of the cap 300. The coupling grooves 302a and 302b may be formed at positions corresponding to the coupling protrusions 132a and 132b. When the cap 300 covers the cartridge 200 and the upper body 120, the coupling protrusions 132a and 132b and the coupling grooves 302a and 302b are fastened to each other, thereby coupling the cap 300 to the upper body 120. The coupling grooves 302a and 302b may include a first coupling groove 302a and a second coupling groove 302b. The first coupling groove 302a and the second coupling groove 302b may be arranged above and below each other.

[0044] The first coupling groove 302a may be formed by outwardly recessing the inner surface 302 of the cap 300. The first coupling groove 302a may be formed on the inner surface 302 of the cap 300 at a position corresponding to the first coupling protrusion 132a. A plurality of first coupling grooves 302a may be formed. The first coupling groove 302a may have a shape in which the width gradually decreases toward the upper side. The first coupling protrusion 132a may be inserted into the first coupling groove 302a. When the first coupling protrusion 132a is inserted into the first coupling groove 302a, the first coupling protrusion 132a and the first coupling groove 302a may guide the cap 300 so that it is positioned in a predetermined position.

[0045] The second coupling groove 302b may be formed by outwardly depressing the inner surface 302 of the cap 300. The second coupling groove 302b may be recessed in a convex or round shape. The second coupling groove 302b may be formed in the inner surface 302 of the cap 300 at a position corresponding to the second coupling protrusion 132b. A plurality of second coupling grooves 302b may be formed. The second coupling groove 302b may have a shape that extends elongatedly along the periphery of the inner surface 302 of the cap 300. The second coupling protrusion 132b may be inserted into the second coupling groove 302b and fastened to each other in a snap-fit ​​manner. The second coupling protrusion 132b and the second coupling groove 302b may be detachably fastened to each other.

[0046] The upper edge 113 of the lower body 110 may protrude outward from the upper body 120. The upper edge 113 of the lower body 110 may extend along the periphery of the upper body 120. The upper edge 113 of the lower body 110 may be disposed below the upper body 120. When the cap 300 is coupled to the body 100, the lower end of the side wall 301 of the cap 300 may contact the upper edge 113 of the lower body 110. The upper edge 113 of the lower body 110 may restrict the cap 300 from moving below the upper body 120.

[0047] 5, the cap 300 may include at least one of a cap body 320, a lower head 330, and an upper head 340. The cover 310 may be pivotally mounted on the cap 300. The cover 310 may be arranged to close the insertion opening 304. The cover 310 may have a plate shape. The cover 310 may include a rounded periphery formed along the periphery of the insertion opening 304.

[0048] The shaft 311 may be formed at an end of the cover 310. The shaft 311 may be formed integrally with the cover 310. The shaft 311 may have a shape that extends elongatedly on one side. The cover 310 may pivot around the axis in the direction in which the shaft 311 extends. The shaft 311 may serve as a pivot axis for the cover 310. The shaft 311 may protrude on both sides from the end of the cover 310. The shaft 311 may be referred to as a cover shaft 311.

[0049] A spring may be wound around the shaft 311. The spring 312 may move the cover 310 in the second direction by its elastic force or restoring force. The cover 310 may be moved in the second direction by the spring 312 to close the insertion space 214 and / or the insertion opening 304. One end of the spring wound around the shaft 311 may extend toward the cover 310, and the other end may extend in the opposite direction.

[0050] The cap body 320 may form the side wall 301 of the cap 300. The cap body 320 may be open at the top and bottom and have a hollow shape. The cap body 320 may cover the side of the cartridge 200 and the side of the upper body 120. The cap body 320 may include a fastening rib 322. The fastening rib 322 may protrude inward from the inner surface 302 of the cap body 320. The fastening rib 322 may have a shape that extends along the periphery of the side wall 301 of the cap body 320. The fastening rib 322 may be formed on the upper part of the cap body 320.

[0051] The lower head 330 and the upper head 340 may be coupled to each other to form the upper part of the cap 300. The lower head 330 may be coupled to the upper head 340 below the upper head 340. The lower head 330 may surround the lower side of the insertion opening 304.

[0052] The lower head 330 may include a head rib 332. The head rib 332 may have a shape that extends along the periphery of the lower head 330. The head rib 332 may be disposed below the fastening rib 322. The head rib 332 may hang below the fastening rib 322.

[0053] The upper head 340 may include a head latch 343. The head latch 343 may protrude downward from the periphery of the head upper wall 303. When the periphery of the head upper wall 303 engages with the fastening rib 322, the head latch 343 may be fastened to the fastening rib 322.

[0054] The screw 334 can fasten the lower head 330 and the upper head 340. The screw 334 can penetrate the lower part of the lower head 330 and be fixed to the upper head 340.

[0055] The cap 300 may include a second guide 306. The second guide 306 may be formed on the lower head 330. The second guide 306 may be formed around the insertion opening 304. The second guide 306 may be disposed below the insertion opening 304. The second guide 306 may be disposed between the insertion opening 304 and the insertion space 214. The second guide 306 may be formed with an inclination downward. The second guide 306 may extend at an incline from the periphery of the insertion opening 304 of the cap 300 toward one end or the upper end of the insertion space 214 (see FIG. 6 ). The second guide 306 may be referred to as a stick guide 306.

[0056] The cap 300 may include a third guide 350. The third guide 350 may be formed on the lower head 330. The third guide 350 may be formed around the insertion opening 304. The third guide 350 may have an elongated shape. The third guide 350 may be connected to the second guide 306. The third guide 350 may extend downward from an end of the second guide 306.

[0057] The third guide 350 may be disposed between the outer wall 211 of the cartridge 200 and the column 140. The third guide 350 may face the column 140. The outer surface of the third guide 350 may contact the window 170 (see FIG. 6 ). The outer surface of the third guide 350 may have a shape corresponding to the window 170. The outer surface of the third guide 350 may have a rounded shape corresponding to the window 170.

[0058] The inner surface of the third guide 350 may provide the insertion space 214. The insertion space 214 may be formed by the outer wall 211 of the cartridge 200 and the third guide 350. The outer wall 211 of the cartridge 200 and the third guide 350 may surround the sides of the insertion space 214. The outer wall 211 of the cartridge 200 and the third guide 350 may be connected to each other and may have a shape that extends in the circumferential direction to surround the periphery of the insertion space 214. The inner surface of the third guide 350 may have a shape that corresponds to the periphery of the stick 400. The outer wall 211 of the cartridge 200 and the third guide 350 may support the stick 400 inserted into the insertion space 214.

[0059] The cap 300 may include a stick stopper 355. The stick stopper 355 may be formed in the third guide 350. The stick stopper 355 may be formed on the lower side of the third guide 350. The stick stopper 355 may protrude toward the inside of the cap 300. A plurality of stick stoppers 355 may be provided.

[0060] The third guide 350 can be referred to as a stick support part 350. The inner surface of the third guide 350 can be referred to as a front surface of the third guide 350. The outer surface of the third guide 350 can be referred to as a rear surface of the third guide 350.

[0061] The upper head 340 may be coupled to the upper part of the cap body 320 to form the upper wall 303 of the cap 300. The upper wall 303 of the cap 300 may be referred to as the head upper wall 303. The upper head 340 may be coupled to the lower head 330 from above the lower head 330. The periphery of the head upper wall 303 may rest on the upper side of the fastening rib 322.

[0062] The cap 300 may have an insertion opening 304 that communicates with one end of the insertion space 214. The cap 300 may have an insertion opening wall 305 that forms the periphery of the insertion opening 304. The insertion opening 304 of the cap 300 may be formed in the head upper wall 303. The insertion opening wall 305 may have a shape that extends in the circumferential direction. The inner peripheral surface of the insertion opening wall 305 may surround the periphery of the insertion opening 304.

[0063] The inner circumferential surface of the insertion opening wall 305 may be rounded. The inner circumferential surface of the insertion opening wall 305 may be formed to bulge inward. The inner circumferential surface of the insertion opening wall 305 may have a shape that gradually narrows the insertion opening 304 from the top to the bottom and then widens it.

[0064] An edge or periphery of the cover 310 can hang below the insertion slot wall 305. When the cover 310 closes the insertion slot 304, the insertion slot wall 305 can contact the cover 310 to restrict movement of the cover 310. The insertion slot wall 305 can contact an edge or periphery of the cover 310 to restrict pivoting of the cover 310 above the insertion slot 304. The cover 310 can be larger than the insertion slot 304.

[0065] 6, the cartridge 200 may include at least one of a first container 210, a second container 220, a sealing member 250, a wick 261, and a heater 262. The second container 220 may include at least one of a lower case 230 and a frame 240.

[0066] The first container 210 may provide a first chamber C1 and an insertion space 214. A space surrounded by an outer wall 211 of the first container 210 may be provided as the first chamber C1.

[0067] A space surrounded by the outer wall 211 of the first container 210 and the third guide 350 may be provided as an insertion space.

[0068] The outer wall 211 of the first container 210 may surround the side of the first chamber C1. The outer wall 211 of the first container 210 may have a shape that extends to surround the periphery of the first chamber C1. The upper wall 213 of the first container 210 may cover the upper part of the first chamber C1. The upper wall 213 of the first container 210 may be connected to the outer wall 211 of the first container 210.

[0069] The outer wall 211 of the first container 210 may surround the sides of the insertion space 214. The insertion space 214 may have a shape that is elongated in the vertical direction. The insertion space 214 may be open at the top and bottom.

[0070] The second container 220 may provide a second chamber C2. The second chamber C2 may be disposed below the insertion space 214. The second chamber C2 may be in communication with the insertion space 214.

[0071] The second container 220 may include at least one of a lower case 230 and a frame 240. The lower case 230 may form the outer shape of the second container 220. The lower case 230 may be coupled to the outer wall 211 or periphery of the first container 210. The lower case 230 may provide an internal storage space. The lower case 230 may support the frame 240. The cartridge inlet 224 may be formed in a side wall of the lower case 230. The cartridge inlet 224 may be formed at a position higher than the bottom of the lower case 230.

[0072] Therefore, the liquid can be prevented from leaking from the second chamber C2 to the outside of the cartridge 200 through the cartridge inlet 224.

[0073] The lower case 230 may include at least one of a receiving portion 231 and an extension portion 232. The receiving portion 231 may provide an internal receiving space. The receiving portion 231 may surround the receiving space. The receiving portion 231 may receive at least a portion of the frame 240 therein. A side wall of the receiving portion 231 may be the side wall 221 of the second container 220. The cartridge inlet 224 may be formed in the side wall of the receiving portion 231. The extension portion 232 may extend outward from an upper end of one side of the receiving portion 231. The extension portion 232 may support a portion of the frame 240. The receiving portion 231 may be referred to as a case portion 231.

[0074] The frame 240 may be disposed inside the lower case 230. The frame 240 may define the second chamber C2. The frame 240 may surround at least a portion of the second chamber C2. The lower case 230 may surround the remainder of the second chamber C2. The frame 240 may form the bottom of the first chamber C1.

[0075] The frame 240 may include at least one of a first frame portion 241 and a second frame portion 242. The first frame portion 241 may form the bottom of the first chamber C1. The first chamber C1 may be surrounded by the outer wall 211, the upper wall 213, and the first frame portion 241 of the first container 210. The first frame portion 241 may be referred to as the first frame 241. The second frame portion 242 may be referred to as the second frame 242.

[0076] The second frame portion 242 may surround at least a portion of the second chamber C2. The second frame portion 242 may partition the second chamber C2. The sidewall of the second frame portion 242 may surround at least a portion of the side of the second chamber C2. The bottom of the second frame portion 242 may form the bottom of the second chamber C2. The chamber inlet 2424 may be formed in the sidewall of the second frame portion 242. The chamber inlet 2424 may be connected to the second chamber C2. The second frame portion 242 may be disposed adjacent to the lower side of the outer wall 211 of the first container 210. The chamber inlet 2424 may be formed at a position higher than the bottom of the second chamber C2.

[0077] The first frame portion 241 and the second frame portion 242 may be connected to each other. The first frame portion 241 may extend from the second frame portion 242 to cover the bottom of the first chamber C1.

[0078] The receiving portion 231 may receive the second frame portion 242 therein. The receiving portion 231 may support the bottom of the second frame portion 242. The receiving portion 231 may define a second chamber C2 together with the second frame portion 242. The extension portion 232 may support the first frame portion 241. The first frame portion 241 may be disposed inside the receiving portion 231, and the second frame portion 242 may be disposed above the extension portion 232.

[0079] The connection channel 2316 may be formed inside the receiving part 231. The frame 240 may define the connection channel 2316 inside the lower case 230. The connection channel 2316 may be formed between the cartridge inlet 224 and the chamber inlet 2424 and may connect the cartridge inlet 224 and the chamber inlet 2424. The first frame part 241 may cover an upper part of the connection channel 2316. The second frame part 242 may cover a side part of the connection channel 2316.

[0080] The blocking wall 2317 may be formed in the connecting channel 2316. The blocking wall 2317 may be formed between the cartridge inlet 224 and the chamber inlet 2424. The blocking wall 2317 may have an elongated shape. The blocking wall 2317 may extend upward from the bottom of the lower case 230 or the bottom of the frame 240. The blocking wall 2317 may extend higher than the cartridge inlet 224. The blocking wall 2317 may extend higher than the chamber inlet 2424.

[0081] Therefore, the liquid in the second chamber C2 can be prevented from passing through the cartridge inlet 224 and leaking to the outside of the cartridge 200.

[0082] The sealing member 250 may be disposed between the first chamber C1 and the second container 220. The sealing member 250 may surround and closely fit the edge of the first chamber C1. The sealing member 250 may be made of an elastic material. For example, the sealing member 250 may be made of a material such as rubber or silicone. The sealing member 250 may prevent the liquid stored in the first chamber C1 from leaking from the first chamber C1 through gaps between components.

[0083] The sealing member 250 may include at least one of a first sealing portion 251 and a second sealing portion 252. The first sealing portion 251 may extend along the outer wall 211 of the first container 210. The first sealing portion 251 may surround an edge of the outer wall 211 of the first container 210. The first sealing portion 251 may be tightly fitted between the outer wall 211 of the first container 210 and the frame 240. The first sealing portion 251 may be tightly fitted between the outer wall 211 of the first container 210 and the first frame portion 241.

[0084] Therefore, the liquid stored in the first chamber C1 can be prevented from leaking through the gap between the outer wall 211 of the first container 210 and the frame 240.

[0085] The second sealing portion 252 may extend from the first sealing portion 251 along the outer wall 211 of the first container 210. The second sealing portion 252 may surround and closely surround the edge of the outer wall 211 of the first container 210. The second sealing portion 252 may be closely fitted between the outer wall 211 of the first container 210 and the frame 240. The second sealing portion 252 may be closely fitted between the inner wall of the first container 210 and the second frame portion 242. The second sealing portion 252 may be inserted into the frame 240. The second sealing portion 252 may be inserted into the second frame portion 242. The lower end of the outer wall 211 of the first container 210 may press the second sealing portion 252 toward the frame 240.

[0086] Therefore, the liquid stored in the first chamber C1 can be prevented from leaking through the gap between the outer wall 211 of the first container 210 and the frame 240.

[0087] The mount 130 may include a sensor receiving portion 137. The sensor receiving portion 137 may provide a space formed under one side wall of the mount 130. The second sensor 180 may be received inside the sensor receiving portion 137. The lower case 230 may cover the sensor receiving portion 137. The lower case 230 may surround one side of the sensor receiving portion 137. One side wall of the receiving portion 231 of the lower case 230 may face the side of the sensor receiving portion 137. The extension portion 232 of the lower case 230 may cover the upper portion of the sensor receiving portion 137.

[0088] A gap through which air can flow may be formed between the sensor housing 137 and the lower case 230. Air may pass between the sensor housing 137 and the lower case 230 and flow into the cartridge inlet 224. The second sensor 180 may detect the flow of air passing between the sensor housing 137 and the lower case 230 and flowing into the cartridge inlet 224.

[0089] The sensing hole 137a may be formed by opening the inner surface 131 of the sensor receiving part 137. The sensing hole 137a may be formed between the sensor receiving space 137b and the container receiving space 134 to connect the sensor receiving space 137b and the container receiving space 134. The sensing hole 137a may be adjacent to the cartridge inlet 224. The sensing hole 137a may face the cartridge inlet 224.

[0090] The sensing hole 137a can face the side. The cartridge inlet 224 is formed by opening the side of the second container 220, and the sensing hole 137a with the open side can face the cartridge inlet 224.

[0091] 6 and 7, the cartridge 200 may include a stick stopper 217 protruding inward from the periphery of the insertion space 214 at a position adjacent to the other end or the lower end of the insertion space 214. The stick stopper 217 may protrude radially inward. The stick stopper 217 may be formed on the outer wall 211 of the first container 210.

[0092] The stick stopper 217 may include multiple stick stoppers. The stick stopper 217 may include three stick stoppers. A plurality of stick stoppers 217 may be arranged along the periphery of the insertion space 214. The stick stoppers 217 may be arranged in the circumferential direction. The stick stoppers 217 may be arranged spaced apart from each other. The stick stopper 217 may have a rib shape or a ring shape extending in the circumferential direction along the periphery of the insertion space 214. The stick 400 may hang around the periphery of the stick stopper 217. The stick stopper 217 may have a shape that gradually widens toward the upper side.

[0093] Thus, when the stick 400 is inserted into the insertion space 214, the stick stopper 217 contacts the end of the stick 400, thereby restricting the stick 400 from moving beyond the insertion space 214 into the second chamber C2.

[0094] Also, the reduction in the amount of air flowing from the second chamber C2 into the insertion space 214 can be minimized.

[0095] Furthermore, the stick stopper 217 does not prevent the aerosol generated in the second chamber C2 from extracting certain components from the medium of the stick 400.

[0096] 8 and 9, the cartridge 200 may include at least one of a first container 210, a second container 220, a wick 261, and a heater 262. The cartridge 200 may include a sealing member 250.

[0097] The first container 210 may be formed in a hollow shape. An outer wall 211 of the first container 210 may enclose an interior space. The first container 210 may provide a first chamber C1 for storing a liquid therein. The first chamber C1 may be open on one side or the bottom.

[0098] The outer wall 211 of the first container 210 can extend in a circumferential direction and surround at least a portion of the periphery of the insertion space 214 .

[0099] The second container 220 may be connected to the first container 210. The second container 220 may be connected to one side or the bottom of the first container 210. The second container 220 may close the open side of the first chamber C1. The second container 220 may provide a second chamber C2 therein that communicates with the insertion space 214. The wick 261 may be disposed inside the second container 220.

[0100] The cartridge inlet 224 can connect the second chamber C2 to the outside of the cartridge 200. The cartridge inlet 224 can be formed in the outer wall of the second container 220. The cartridge inlet 224 can be formed in the side wall 221 of the second container 220. The cartridge inlet 224 can be open toward the side. The cartridge inlet 224 can be formed at a position higher than the bottom 222 of the second container 220. Therefore, it is possible to prevent droplets present in the connecting channel 2314 from leaking to the outside of the cartridge 200 through the cartridge inlet 224.

[0101] The second container 220 may include at least one of a lower case 230 and a frame 240. The lower case 230 may form the outer shape of the second container 220. The lower case 230 may be disposed below the first container 210. The lower case 230 may be coupled to the first container 210. The lower case 230 may be coupled to the outer wall 211 of the first container 210. The lower case 230 may accommodate at least a portion of the frame 240 within the accommodation space 2310. The lower case 230 may support the frame 240.

[0102] The lower case 230 may include a peripheral portion 2322 coupled to the periphery of the first container 210. The peripheral portion 2322 may extend along the periphery of the lower case 230 from the upper end of the lower case 230. The peripheral portion 2322 may extend along the periphery of the receiving portion 231 and the extension portion 232. The peripheral portion 2322 may have a continuous band shape. The peripheral portion 2322 may have a shape that protrudes upward from the periphery of the lower case 230. The peripheral portion 2322 may be coupled to the lower end of the outer wall 211 of the first container 210. The lower end of the outer wall 211 of the first container 210 may be recessed upward, so that the peripheral portion 2322 can be inserted therein. The peripheral portion 2322 and the outer wall 211 of the first container 210 may be attached to each other via an adhesive member. For example, the adhesive member may be tape or glue. The adhesive member is not limited to those described above.

[0103] 10, the upper body 120 may include an upwardly extending column 140. The column 140 may extend upward from one side of the mount 130. Side walls 141, 142 of the column 140 may be connected to the side walls 131, 132 of the mount 130. The column 140 may surround a portion of the space 134 provided by the mount 130. An inner surface 141 of the column 140 may have a recessed shape that is recessed outward.

[0104] The column 140 can accommodate a PCB assembly 150. The PCB assembly 150 can provide light to the cartridge 200 or sense information about the cartridge 200. For example, the information about the cartridge 200 can be at least one of information about a change in the remaining amount of liquid stored in the first chamber C1 of the cartridge 200, information about the type of liquid stored in the first chamber C1 of the cartridge 200, information about whether a stick 400 has been inserted into the insertion space 214 of the cartridge 200, information about the type of stick 400 inserted into the insertion space 214 of the cartridge 200, information about the extent to which the stick 400 inserted into the insertion space 214 of the cartridge 200 has been used or is still usable, information about whether the cartridge 200 inserted into the insertion space 214 of the cartridge 200 has been coupled to the body 100, and information about the type of coupled cartridge 200. The information about the cartridge 200 is not limited to the above. The column 140 can accommodate a light source 153 that provides light. The column 140 may house a first sensor 154 that senses information about the cartridge 200 .

[0105] The column 140 may provide an installation space 144 therein. The installation space 144 may have a shape that extends up and down along the column 140. The inner surface 141 of the column 140 may surround the installation space 144. The installation space 144 may be open toward the space 134 of the mount 130. The installation space 144 may be open toward one side of the cartridge 200.

[0106] The PCB assembly 150 may be provided in the installation space 144. The plate 160 may cover the PCB assembly 150 and be disposed in the installation space 144. The window 170 may cover the PCB assembly 150 and the installation space 144. The PCB assembly 150, the plate 160, and the window 170 may be stacked in order. The installation space 144 may be referred to as the assembly receiving space 144.

[0107] The PCB assembly 150 may include at least one of a PCB (Printed Circuit Board) 151, a light source 153, and a first sensor 154. The light source 153 may be mounted on the PCB 151. The light source 153 may include at least one light source. The first sensor 154 may be mounted on the PCB. The light source 153 and the first sensor 154 may be mounted at different positions on a single PCB. The first sensor 154 may be mounted in an area that avoids the at least one light source 153.

[0108] The PCB assembly 150 may be disposed inside the column 140 facing the cartridge 200. The PCB assembly 150 may face a first container 210 having a first chamber C1 and an insertion space 214. The PCB assembly 150 may extend vertically along the column 140. A connector 152 for electrical connection may be formed on one end of the PCB assembly 150.

[0109] The PCB 151 may extend vertically along the column 140. The PCB 151 may be a flexible printed circuit board (FPCB). The connector 152 may be formed at one end of the PCB 151. A plurality of light sources 153 may be arranged on the PCB 151. The first sensor 154 may be located in the center of the PCB 151. At least one light source 153 may be arranged on each side of the first sensor 154. The plurality of light sources 153 may be arranged vertically along the PCB 151. The plurality of light sources 153 may be arranged along the longitudinal direction of the column 140. The first sensor 154 may be arranged to face the insertion space 214. The light source 153 may be arranged to face the outside of the insertion space 214. The light source 153 may emit light outside the insertion space 214 to provide light to the first chamber C1. The light source 153 may be a light emitting diode (LED).

[0110] Therefore, the light source 153 can provide light uniformly to the first chamber C1.

[0111] In addition, the stick 400 inserted into the insertion space 214 can prevent the path of the light provided by the light source 153 from being blocked.

[0112] The first sensor 154 may extend vertically along the PCB 151. The first sensor 154 may extend vertically along the first container 210 or the insertion space 214. The first sensor 154 may face the insertion space 214. The first sensor 154 may sense information about the cartridge 200. For example, the first sensor 154 may sense at least one of information about a change in the remaining amount of liquid stored in the first chamber C1 of the cartridge 200, information about the type of liquid stored in the first chamber C1 of the cartridge 200, information about whether a stick 400 has been inserted into the insertion space 214 of the cartridge 200, information about the type of stick 400 inserted into the insertion space 214 of the cartridge 200, information about the extent to which the stick 400 inserted into the insertion space 214 of the cartridge 200 has been used or is usable, information about whether the cartridge 200 inserted into the insertion space 214 of the cartridge 200 has been coupled to the body 100, and information about the type of coupled cartridge 200. The information about the cartridge 200 is not limited to this.

[0113] The first sensor 154 can sense information about the cartridge 200 by sensing changes in the electromagnetic characteristics of the cartridge 200. The first sensor 154 can sense changes in the electromagnetic characteristics caused by an adjacent object. For example, the first sensor 154 can be a capacitance sensor. For example, the first sensor 154 can be a magnetic proximity sensor. The type of the first sensor 154 is not limited thereto. For example, when the stick 400 is inserted into the insertion space 214 of the cartridge 200 or when there is a change in the volume of the liquid stored in the first chamber C1, a change occurs in the electromagnetic characteristics sensed by the first sensor 154, and the first sensor 154 can measure this change to sense information about the cartridge 200.

[0114] The first sensor 154 may include a conductor. The conductor may be formed to have a length corresponding to the insertion space 214 in the direction in which the insertion space 214 of the cartridge 200 extends. For example, the conductor may be formed to have a maximum length adjacent to the upper and lower sides of the PCB 151 in the length direction of the column 140.

[0115] The first sensor 154 can generate and output a signal. The first sensor 154 can generate a signal when a conductor current flows through it. The first sensor 154 can generate a signal corresponding to an electromagnetic characteristic of the surroundings, for example, the capacitance of the surroundings of the conductor.

[0116] The window 170 may be coupled to the column 140. The window 170 may be made of a transparent material. The window 170 may transmit light. The window 170 may be coupled to the column 140 to cover the PCB assembly 150. The window 170 may have a shape that extends up and down along the column 140. The window 170 may be disposed between the column 140 and the cartridge 200. The window 170 may be disposed between the column 140 and the third guide 350. The window 170 may be disposed adjacent to the inner surface 141 of the column 140. The window 170 may surround the rear surface of the third guide 350. The window 170 may face the rear surface of the third guide 350. The window 170 may be formed thin so that the PCB assembly 150 is adjacent to the third guide 350.

[0117] One surface 171a of the window 170 contacts the rear surface of the third guide 350 to support the third guide 350, and the other surface 171b of the window 170 can be in close contact with the PCB assembly 150. The one surface 171a of the window 170 can be referred to as the front surface of the window 170. The other surface 171b of the window 170 can be referred to as the rear surface of the window 170.

[0118] The one surface 171a of the window 170 may have a shape corresponding to the third guide 350 that forms the periphery of the insertion space 214. The insertion space 214 may be located adjacent to the column 140 and the PCB assembly 150. The insertion space 214 may be located between the first chamber C1 and the column 140. The outer wall 211 of the first container 210 that surrounds the periphery of the insertion space 214 may have a rounded shape that extends along the periphery of the insertion space 214. The one surface 171a of the window 170 may have a rounded shape that surrounds the outside of the insertion space 214. The one surface 171a of the window 170 may have a rounded shape that surrounds the third guide 350 that forms the periphery of the insertion space 214. The one surface 171a of the window 170 may have a shape that is concave in the opposite direction from the cartridge 200.

[0119] The PCB assembly 150 may include a plurality of through holes 151a. The through holes 151a may be formed on one side of the PCB 151. The through holes 151a may be formed on the upper side of the PCB 151. The through holes 151a may be formed above the light source 153 and / or the first sensor 154. The through holes 151a may be formed on both sides of the PCB 151.

[0120] The plate 160 may cover an area of ​​the PCB assembly 150 that avoids the at least one light source 153. The plate 160 may be attached to the PCB assembly 150 and cover the first sensor 154. The plate 160 may be transparent to electromagnetic waves. The plate 160 may be transparent to electromagnetic waves but not transparent to visible light or may be semi-transparent.

[0121] A printed circuit connected to the light source 153 may be printed on the PCB 151 around the light source 153. The plate 160 may cover the printed circuit printed on the PCB 151 around the light source 153. The plate 160 may have a shape that extends vertically along the first sensor 154 and may have a shape that extends from the plate 160 in the direction in which the printed circuit is printed.

[0122] The plate 160 may expose the light source 153 without covering it. The light sources 153 may be arranged vertically on both sides with the first sensor 154 sandwiched therebetween. The plate 160 may be open at a position corresponding to the position of the light source 153. When the plate 160 is attached to the PCB assembly 150, the light source 153 may be exposed through the area formed by the opening in the plate 160. Therefore, the light emitted by the light source 153 is not blocked, and the first sensor 154 and / or the printed circuit printed on the PCB 151 may not be exposed to the outside and may be protected from the outside. In addition, the first sensor 154 may sense changes in the surrounding electromagnetic characteristics while covered by the plate 160.

[0123] 11, when the cartridge 200 is coupled to the body 100, the outer wall 211 of the cartridge 200 and the column 140 may contact each other. The column 140 may support the outer wall 211 of the cartridge 200.

[0124] When the cap 300 is separated from the body 100, the insertion space 214 and the space 355 may be provided between the outer wall 211 of the cartridge 200 and the column 140. The space 355 may be referred to as a cap accommodating space 355. The cap accommodating space 355 may have a shape corresponding to the third guide 350. The cap accommodating space 355 may be formed outside the insertion space 214. A portion of the cap accommodating space 355 may be surrounded by a window 170.

[0125] When the cap 300 is coupled to the body 100, the third guide 350 may be disposed in the cap accommodating space 355. When the third guide 350 is disposed in the cap accommodating space 355, the third guide 350 and the window 170 may come into contact with each other. The window 170 may come into contact with the rear surface of the third guide 350 to support the third guide 350. When the third guide 350 is disposed in the cap accommodating space 355, the outer wall 211 of the cartridge 200 and the third guide 350 are connected to each other, and may have a shape that extends in the circumferential direction to surround the periphery of the insertion space 214.

[0126] When the stick 400 is inserted into the insertion space 214 with the third guide 350 positioned in the cap accommodating space 355, part of the side of the stick 400 comes into contact with the outer wall 211 of the cartridge 200, and the remaining part can come into contact with the front surface of the third guide 350.

[0127] 12, when the stick 400 is inserted into the insertion space 214 with the cap 300 separated from the body 100, a portion of the side of the stick 400 may come into contact with the outer wall 211 of the cartridge 200. On the other hand, when the stick 400 is inserted into the insertion space 214 with the cap 300 separated from the body 100, the remaining portion of the side of the stick 400 may be exposed to the cap receiving space 355.

[0128] At least a portion of the stick 400 positioned in the insertion space 214 can move toward the cap accommodating space 355. For example, if the upper side of the aerosol generating device 10 is tilted toward the column 140, the stick 400 positioned in the insertion space 214 can also be tilted toward the cap accommodating space 355. Therefore, the user can fix the stick 400 in the insertion space 214 by inserting the stick 400 into the insertion space 214 after locating the third guide 350 in the cap accommodating space 355 by combining the body 100 and the cap 300.

[0129] As described above, according to at least one embodiment of the present disclosure, the body 100, the cartridge 200, and the cap 300 can form the insertion space 214 into which the stick 400 is inserted.

[0130] According to at least one of the embodiments of the present disclosure, the position of the stick 400 can be fixed when the body 100, the cartridge 200, and the cap 300 are all coupled together.

[0131] 1 to 12, an aerosol generating device 10 according to one aspect of the present disclosure may include a cartridge 200 that extends long and contains a liquid therein, a column 140 that extends long on one side of the cartridge 200, a cap 300 that covers the cartridge 200 and the column 140, and an insertion space 214 into which a stick 400 is inserted. The cap 300 includes a stick support part 350 that extends long and is disposed between the cartridge 200 and the column 140, and the insertion space 214 may be formed by an outer wall 211 of the cartridge 200 and the stick support part 350.

[0132] According to another aspect of the present disclosure, a portion of the side of the stick 400 can contact the outer wall 211 of the cartridge 200, and a remaining portion of the side of the stick 400 can contact the stick support portion 350.

[0133] According to another aspect of the present disclosure, the outer wall 211 of the cartridge 200 and the stick support portion 350 may be arranged to contact each other and surround the periphery of the insertion space 214 .

[0134] According to another aspect of the present disclosure, the front surface of the stick support portion 350 may contact the stick 400 and the rear surface of the stick support portion 350 may contact the column 140 .

[0135] According to another aspect of the present disclosure, the front surface of the stick support portion 350 may have a shape corresponding to the stick 400 , and the rear surface of the stick support portion 350 may have a shape corresponding to the column 140 .

[0136] According to another aspect of the present disclosure, the column 140 includes a window 170 made of a light-transmitting material and installed in a portion of the outer wall 211 of the column 140 facing the insertion space 214, and the stick support portion 350 can contact the window 170.

[0137] According to another aspect of the present disclosure, the column 140 may further include a sensor 154 installed inside the column 140 and outputting a signal corresponding to the insertion space 214, and the sensor 154 may be positioned facing the window 170.

[0138] According to another aspect of the present disclosure, the cap 300 may further include an insertion opening 304 formed at a position corresponding to the insertion space 214 and communicating with the insertion space 214, and a stick guide 306 disposed adjacent to the insertion opening 304 and extending at an angle toward the insertion space 214.

[0139] According to another aspect of the present disclosure, the stick support portion 350 may extend from an end of the stick guide 306 in the direction in which the column 140 extends.

[0140] According to another aspect of the present disclosure, at least one of the outer wall 211 of the cartridge 200 and the stick support portion 350 may include a stick stopper 217 , 335 protruding toward the insertion space 214 .

[0141] The specific embodiments or other embodiments of the present disclosure described above are not mutually exclusive or distinct, and the structure or function of any or all elements of the embodiments of the present disclosure described above can be combined with other elements or combined with each other.

[0142] For example, configuration A described in one embodiment of the present disclosure and drawings and configuration B described in another embodiment of the present disclosure and drawings can be combined with each other. That is, even if a combination between configurations is not directly described, the combination is possible unless it is described that the combination is not possible.

[0143] While the embodiments have been described above in accordance with a number of exemplary embodiments, it should be understood that many other variations and embodiments are possible for those skilled in the art that fall 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 the present 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

1. a long cartridge containing a liquid; an elongated column positioned adjacent to the cartridge; a cap covering the cartridge and the column; an insertion space into which the stick is inserted; the cap includes an elongated stick support disposed between the cartridge and the column; The aerosol generating device, wherein the insertion space is formed by an outer wall of the cartridge and the stick support portion.

2. The aerosol generating device according to claim 1 , wherein the outer wall of the cartridge and the stick support portion contact a side surface of the stick when the stick is inserted into the insertion space.

3. The aerosol generating device according to claim 1 , wherein the corresponding end of the cartridge and the stick support part are in contact with each other to form the insertion space.

4. the stick support has a front surface and a rear surface; The aerosol generating device according to claim 1 , wherein a front surface of the stick support contacts the stick, and a rear surface of the stick support contacts the column.

5. The aerosol generating device according to claim 4 , wherein the front surface of the stick support portion has a shape corresponding to the stick, and the rear surface of the stick support portion has a shape corresponding to the column.

6. the column includes a window facing the insertion space and made of a light-transmitting material; The aerosol generating device according to claim 1 , wherein the stick support contacts the window.

7. The aerosol generating device according to claim 6 , wherein the column further includes a sensor facing the window and outputting a signal corresponding to the insertion space.

8. The cap is An insertion opening formed at a position corresponding to the insertion space, allowing access to the insertion space; The aerosol generating device according to claim 1 , further comprising: a stick guide disposed adjacent to the insertion port and extending obliquely toward the insertion space.

9. The aerosol generating device according to claim 8 , wherein the stick support portion extends from an end of the stick guide in the vertical direction of the column.

10. The aerosol generating device according to claim 1 , wherein at least one of the outer wall of the cartridge and the stick support portion includes a stick stopper that protrudes inward into the insertion space.

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