Aerosol-generating device

Patent metadata

Field	Value
Publication number	US-2025386867-A1
Application number	US-202519094042-A
Country	US
Kind code	A1
Filing date	Mar 28, 2025
Priority date	Jun 25, 2024
Publication date	Dec 25, 2025
Grant date	—

Abstract

An aerosol-generating device is disclosed. The aerosol-generating device includes a body providing an elongated insertion space, a stick provided therein with a medium portion and being inserted into the insertion space, a susceptor surrounding the insertion space and extending in the longitudinal direction of the insertion space, and an electrically conductive track surrounding the susceptor and configured to heat the susceptor and the insertion space. The electrically conductive track has a downstream end aligned, in the radial direction of the insertion space, with the downstream end of the medium portion of the stick inserted into the insertion space.

First claim

What is claimed is:

1 . An aerosol-generating device comprising:
a body providing an elongated insertion space; a stick provided therein with a medium portion, and being inserted into the insertion space; a susceptor surrounding the insertion space and extending in a longitudinal direction of the insertion space; and an electrically conductive track surrounding the susceptor, the electrically conductive track being configured to heat the susceptor and the insertion space, wherein the electrically conductive track has a downstream end aligned, in a radial direction of the insertion space, with a downstream end of the medium portion of the stick inserted into the insertion space.

2 . The aerosol-generating device according to claim 1 , wherein the downstream end of the electrically conductive track is aligned with a downstream end of the susceptor in the radial direction of the insertion space.

3 . The aerosol-generating device according to claim 1 , wherein a length of the susceptor defined in the longitudinal direction of the insertion space is greater than a length of the electrically conductive track.

4 . The aerosol-generating device according to claim 3 , wherein the length of the electrically conductive track is 0.7 to 0.9 times the length of the susceptor.

5 . The aerosol-generating device according to claim 1 , wherein the stick comprises an aerosol base portion disposed upstream of the medium portion, and
wherein the susceptor extends to be longer than the medium portion in the longitudinal direction of the insertion space and surrounds the medium portion and at least a portion of the aerosol base portion.

6 . The aerosol-generating device according to claim 5 , wherein a length of the susceptor is less than a sum of a length of the aerosol base portion and a length of the medium portion.

7 . The aerosol-generating device according to claim 5 , wherein a length of the portion of the susceptor surrounding the aerosol base portion is 0.5 to 0.7 times a length of the aerosol base portion.

8 . The aerosol-generating device according to claim 1 , wherein the stick comprises an aerosol base portion disposed upstream of the medium portion, and
wherein the electrically conductive track extends to be longer than the medium portion in the longitudinal direction of the insertion space and surrounds the medium portion and at least a portion of the aerosol base portion.

9 . The aerosol-generating device according to claim 8 , wherein a length of the portion of the electrically conductive track surrounding the aerosol base portion is 0.1 to 0.3 times a length of the aerosol base portion.

10 . The aerosol-generating device according to claim 1 , wherein the stick comprises an aerosol base portion disposed upstream of the medium portion and a cooling portion disposed downstream of the medium portion, and
wherein the cooling portion of the stick inserted into the insertion space is disposed downstream of the susceptor and the electrically conductive track in the longitudinal direction of the insertion space.

11 . The aerosol-generating device according to claim 10 , wherein a length of the medium portion is greater than a length of the aerosol base portion.

12 . The aerosol-generating device according to claim 11 , wherein the length of the medium portion is 1.1 to 1.3 times the length of the aerosol base portion.

Assignees

• Kt & G Corp

Inventors

• Park Jueon
• Shin Younji
• Lee Jongsub
• Lim Hunil
• Jung Hyungjin

Classifications

• A24F40/51

  Arrangement of sensors · CPC title

• A24F40/46

  Shape or structure of electric heating means · CPC title

• A24F40/465 Primary

  specially adapted for induction heating · CPC title

• A24D1/20

  Cigarettes specially adapted for simulated smoking devices · CPC title

• A24F40/20 Primary

  Devices using solid inhalable precursors · CPC title