US-12616248-B2 - Heater assembly and aerosol generating device including the same

US12616248B2US 12616248 B2US12616248 B2US 12616248B2US-12616248-B2

Abstract

Disclosed is a heater assembly for accommodating and heating an aerosol generating article, the heater assembly including: an accommodation portion configured to accommodate an end portion of an aerosol generating article; a heating portion arranged to surround another portion of the aerosol generating article; and a combining portion configured to combine the accommodation portion and the heating portion and including engineering plastic, wherein the accommodation portion, the combining portion, and the heating portion are arranged along a longitudinal direction of the aerosol generating article and form an accommodation space in which the aerosol generating article is accommodated.

Inventors

Sung Wook Yoon
Yong Hwan Kim
Seung Won Lee
Seok Su JANG
Dae Nam HAN

Assignees

KT&G CORPORATION

Dates

Publication Date: 20260505
Application Date: 20211012
Priority Date: 20201013

Claims (13)

1 . An aerosol generating system comprising: an aerosol generating article; and an aerosol generating device comprising a heater assembly, wherein the heater assembly comprises: an accommodation portion configured to accommodate an end portion of the aerosol generating article and configured to surround a first portion of the aerosol generating article, the first portion comprising a first material; a heating portion configured to surround a second portion of the aerosol generating article and configured to heat the aerosol generating article, the second portion comprising a second material that is different from the first material; and a combining portion comprising engineering plastic combining the accommodation portion and the heating portion, and wherein the accommodation portion, the combining portion, and the heating portion are sequentially arranged along a longitudinal direction of the aerosol generating article and form an accommodation space in which the aerosol generating article is accommodated.
2 . The aerosol generating system of claim 1 , wherein the accommodation portion has a length of 5 mm to 10 mm along a longitudinal direction of the accommodation space.
3 . The aerosol generating system of claim 1 , wherein the engineering plastic comprises at least one selected from the group consisting of polyether ether ketone (PEEK), poly sulfone (PSU), polyether imide (PEI), polyether sulfone (PES), polyphenylene sulfone (PPS), polyimide (PI), and liquid crystal polymer (LCP).
4 . The aerosol generating system of claim 1 , wherein the combining portion extends in a longitudinal direction of the accommodation space to contact at least one of an inner side surface of the heating portion and an outer side surface of the heating portion.
5 . The aerosol generating system of claim 1 , wherein the heating portion comprises: a susceptor arranged in the accommodation space to face the aerosol generating article, and configured to generate heat in an alternating magnetic field; and a coil arranged outside the susceptor and configured to induce the alternating magnetic field.
6 . The aerosol generating system of claim 1 , further comprising a heat insulator combined with the heating portion, and configured to block movement of heat inside the accommodation space to an outside by blocking a portion of an opening of the accommodation space.
7 . An aerosol generating system, comprising: an aerosol generating article; and an aerosol generating device comprising a heater assembly, wherein the heater assembly comprises: an accommodation portion configured to accommodate an end portion of the aerosol generating article; a first heating portion combined with the accommodation portion, configured to surround a first portion of the aerosol generating article, and configured to heat the aerosol generating article, the first portion comprising a first material; a second heating portion configured to surround a second portion of the aerosol generating article, and configured to heat the aerosol generating article, the second portion comprising a second material that is different from the first material; and a combining portion comprising engineering plastic and combining the first heating portion and the second heating portion, and wherein the accommodation portion, the first heating portion, the combining portion, and the second heating portion are sequentially arranged along a longitudinal direction of the aerosol generating article and form an accommodation space in which the aerosol generating article is accommodated.
8 . The aerosol generating system of claim 7 , wherein the first heating portion has a length of 5 mm to 10 mm along a longitudinal direction of the accommodation space.
9 . The aerosol generating system of claim 7 , wherein the engineering plastic comprises at least one selected from the group consisting of polyether ether ketone (PEEK), poly sulfone (PSU), polyether imide (PEI), polyether sulfone (PES), polyphenylene sulfone (PPS), polyimide (PI), and liquid crystal polymer (LCP).
10 . The aerosol generating system of claim 7 , wherein the combining portion extends in a longitudinal direction of the accommodation space to contact at least one of an inner side surface of the first heating portion and an outer side surface of the first heating portion, and extends in the longitudinal direction of the accommodation space to contact at least one of an inner side surface of the second heating portion and an outer side surface of the second heating portion.
11 . The aerosol generating system of claim 7 , wherein at least one of the first heating portion and the second heating portion comprises: a susceptor arranged in the accommodation space to face the aerosol generating article, and configured to generate heat in an alternating magnetic field; and a coil arranged outside the susceptor and configured to induce the alternating magnetic field.
12 . The aerosol generating system of claim 7 , wherein the first heating portion and the second heating portion are configured to heat the aerosol generating article at different temperatures.
13 . The aerosol generating system of claim 7 , further comprising a heat insulator combined with the second heating portion, and configured to block movement of heat inside the accommodation space to an outside by blocking at least a portion of an opening of the accommodation space.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application is a National Stage of International Application No. PCT/KR2021/013993 filed Oct. 12, 2021, claiming priority based on Korean Patent Application No. 10-2020-0131818 filed Oct. 13, 2020. TECHNICAL FIELD One or more embodiments of the present disclosure relate to a heater assembly and an aerosol generating device including the same. BACKGROUND ART Recently, the demand for alternative methods to overcome the disadvantages of traditional cigarettes has increased. For example, there is growing demand for an aerosol generating device which generates aerosol by heating an aerosol generating material, rather than by combusting cigarettes. Accordingly, research on smoking articles or devices that operate in various ways has been actively conducted. DISCLOSURE Technical Problem Coupling components may be used in aerosol generating devices to minimize a gap between components and to improve a coupling force and a sealing force. In general, these coupling components are made of silicon, rubber, etc. In an aerosol generating device, high temperature heating frequently occurs during use. Materials such as silicon and rubber, which are generally used as coupling components, have low thermal resistance, and thus the shape may be deformed at high temperatures. In this case, the coupling force and the sealing force between the components may be deteriorated, and the high-temperature aerosol may leak into the inside of the aerosol generating device. As a result, the service life of the aerosol generating device may be shortened. Technical Solution A heater assembly for accommodating and heating an aerosol generating article according to an embodiment may include an accommodation portion configured to accommodate an end portion of an aerosol generating article, a heating portion arranged to surround another portion of the aerosol generating article and configured to heat the aerosol generating article, and a combining portion configured to combine the accommodation portion and the heating portion and including engineering plastic, wherein the accommodation portion, the combining portion, and the heating portion are arranged along a longitudinal direction of the aerosol generating article and form an accommodation space in which the aerosol generating article is accommodated. A heater assembly for accommodating and heating an aerosol generating article according to another embodiment may include an accommodation portion configured to accommodate an end portion of an aerosol generating article, a first heating portion arranged to surround a first portion of the aerosol generating article, and configured to heat the aerosol generating article, a second heating portion arranged to surround at least another portion of the aerosol generating article in a lengthwise direction and configured to heat the aerosol generating article a combining portion configured to combine the first heating portion and the second heating portion and the heating portion and including engineering plastic, wherein the accommodation portion, the first heating portion, the combining portion, and the second heating portion are arranged along a longitudinal direction of the aerosol generating article and form an accommodation space in which the aerosol generating article is accommodated. An aerosol generating device according to an embodiment may include a heater assembly, a battery configured to supply power to the heater assembly, and a processor configured to control the power supplied to the heater assembly. Means for solving the problem are not limited to the above description, and may include all matters that can be inferred by a person skilled in the art throughout the present specification. Advantageous Effects According to a heater assembly according to embodiments, engineering plastic having excellent thermal resistance is used to combine components. Therefore, coupling and sealing of components of the heater assembly may be stably maintained despite high-temperature heating. Also, the high-temperature aerosol generated in the heater assembly may be prevented from leaking. Therefore, shortening of the service life of the aerosol generating device due to heat may be prevented. Also, different portions of the aerosol generating article may be heated at different temperatures. Accordingly, nicotine transfer in an aerosol generating article may be promoted and a sufficient amount of an aerosol may be generated and provided to a user. The effects of the embodiments are not limited to the above description and may include all effects that may be inferred from the embodiments described below and the accompanying drawings. DESCRIPTION OF DRAWINGS FIG. 1 is a perspective view schematically illustrating a heater assembly according to an embodiment; FIG. 2 is a cross-sectional view schematically illustrating the heater assembly according to the embodiment of FIG. 1; FIGS. 3A and 3B illustrate a combining