公开(公告)号：US20240251868A1

公开(公告)日：2024-08-01

申请号：US18290111

申请日：2022-06-09

Applicant: KT&G CORPORATION

Inventor： Yong Hwan KIM ,  Dong Sung KIM ,  Seung Won LEE ,  Seok Su JANG ,  Dae Nam HAN

IPC: A24F40/53 ,  A24F40/10 ,  A24F40/485 ,  A24F40/51 ,  A24F40/60 ,  H05B6/10 ,  H05B6/36

CPC classification number: A24F40/53 ,  A24F40/485 ,  A24F40/51 ,  A24F40/60 ,  H05B6/36 ,  A24F40/10 ,  H05B6/105

Abstract: An aerosol-generating device includes a housing including an airflow passage; a sensor unit including an inductor, the sensor unit configured to deform in shape based on an airflow through the airflow passage; and a processor connected to the sensor unit, wherein the processor is configured to measure an inductance value of the inductor, that changes according to a degree of deformation of the sensor unit, and detect a puff of a user based on the measured inductance value maintaining above a first predetermined threshold for a first predetermined time interval.

公开(公告)号：US20240225083A9

公开(公告)日：2024-07-11

申请号：US18279511

申请日：2022-04-04

Applicant: KT&G CORPORATION

Inventor： Seok Su JANG ,  Dae Nam HAN ,  Yong Hwan KIM ,  Seung Won LEE

IPC: A24B15/30 ,  A24B15/28 ,  A24D3/04

CPC classification number: A24B15/303 ,  A24B15/283 ,  A24D3/04

Abstract: The disclosure relates to a tobacco material including a natural flavor material and a method of preparing the tobacco material. The tobacco material may have a core-shell structure in which a core includes a natural flavor material and is surrounded by a shell including a tobacco mixture, such that the aerosol generating article including the tobacco material generates a characteristic flavor.

公开(公告)号：US20240164453A1

公开(公告)日：2024-05-23

申请号：US18284336

申请日：2022-06-09

Applicant: KT&G CORPORATION

Inventor： Yong Hwan KIM ,  Dong Sung KIM ,  Seung Won LEE ,  Seok Su JANG ,  Dae Nam HAN

IPC: A24F40/51 ,  A24F40/485 ,  A24F40/57 ,  A24F40/60 ,  A24F40/20 ,  A24F40/465

CPC classification number: A24F40/51 ,  A24F40/485 ,  A24F40/57 ,  A24F40/60 ,  A24F40/20 ,  A24F40/465

Abstract: Disclosed is an aerosol generating device including: a housing including an air flow passage; a sensor deformable by an air flow in the air flow passage, and including a resistor having a resistance value that varies according to a degree of deformation of the sensor; and a processor electrically connected to the sensor, and configured to: measure the resistance value of the resistor; and detect a puff based on the measured resistance value being maintained at or above a first threshold value during a first time interval.

公开(公告)号：US20240108052A1

公开(公告)日：2024-04-04

申请号：US18285419

申请日：2022-04-12

Applicant: KT&G CORPORATION

Inventor： Seok Su JANG ,  Sun Hwan JUNG ,  Hyeon Tae KIM ,  Jun Won SHIN ,  Dae Nam HAN ,  Yong Hwan KIM ,  Sung Wook YOON ,  Seung Won LEE

IPC: A24B15/18 ,  A24B15/30 ,  A24D1/00 ,  A24D1/04 ,  A24D1/20

CPC classification number: A24B15/186 ,  A24B15/30 ,  A24D1/002 ,  A24D1/045 ,  A24D1/20

Abstract: An embodiment of the present disclosure discloses tobacco material including: a center portion including a flavor material; and an outer portion including a tobacco mixture, wherein the outer portion surrounds the center portion.

公开(公告)号：US20240008549A1

公开(公告)日：2024-01-11

申请号：US18038609

申请日：2021-12-28

Applicant: KT&G CORPORATION

Inventor： Yong Hwan KIM ,  Sung Wook YOON ,  Seung Won LEE ,  Seok Su JANG ,  Dae Nam HAN

IPC: A24F40/51 ,  A24F40/53 ,  A24F40/465 ,  A24F40/20 ,  A24F40/57

CPC classification number: A24F40/51 ,  A24F40/53 ,  A24F40/465 ,  A24F40/20 ,  A24F40/57

Abstract: An aerosol generating apparatus includes: a heater configured to heat an aerosol generating substrate; a puff sensor configured to measure an amount of a user's puff; and a controller configured to determine a vaporization amount of the aerosol generating substrate, based on a puff sensing value indicating the amount of the user's puff, and control a heating time of the heater, based on the determined vaporization amount.

公开(公告)号：US20230389614A1

公开(公告)日：2023-12-07

申请号：US18450521

申请日：2023-08-16

Applicant: KT&G CORPORATION

Inventor： Seung Won LEE ,  Sang Kyu PARK

IPC: A24F40/465 ,  A24F40/60 ,  H05B6/10

CPC classification number: A24F40/465 ,  A24F40/60 ,  H05B6/108

Abstract: An embodiment of the present invention includes a plurality of coils which have different numbers of windings and generate an alternating magnetic field when alternating current is applied; a susceptor for generating an aerosol by heating adjacent aerosol-generating substrates using heat generated through the alternating magnetic fields generated from the plurality of coils; and a controller for controlling a predetermined alternating current to be supplied to each of the plurality of coils, wherein the controller controls a first portion and a second portion of the susceptor to be heated differentially by alternating current supplied to the plurality of coils.

公开(公告)号：US20230137819A1

公开(公告)日：2023-05-04

申请号：US17908326

申请日：2021-04-20

Applicant: KT&G CORPORATION

Inventor： Seung Won LEE ,  Yong Hwan KIM ,  Sung Wook YOON ,  Dea Nam HAN

IPC: A24F40/465 ,  H05B6/10 ,  H05B6/36 ,  A24F40/20 ,  A24F40/70

Abstract: A heater assembly for heating an aerosol generating material includes an accommodation portion configured to accommodate the aerosol generating material; an induction coil coupled to an outer surface of the accommodation portion; a susceptor located in the accommodation portion and configured to generate heat by an alternating magnetic field generated by a current flowing through the induction coil; and a support element coupled to the susceptor such that the suspector is spaced apart from an inner surface of the accommodation portion by the support element, wherein the induction coil includes a wire including a conductor, an insulator surrounding the conductor, and a bonding member surrounding the insulator.

公开(公告)号：US20230113304A1

公开(公告)日：2023-04-13

申请号：US17912696

申请日：2021-07-26

Applicant: KT&G CORPORATION

Inventor： Yong Hwan KIM ,  Sung Wook YOON ,  Seung Won LEE ,  Seok Su JANG ,  Dae Nam HAN

IPC: A24F40/57 ,  A24F40/51

Abstract: An aerosol generating device may include: a heater configured to apply heat to an aerosol generating substrate; a temperature sensor configured to measure a temperature of the heater to obtain a measured temperature value; and a processor configured to: control power supplied to the heater; add a first calibration value to the measured temperature value to obtain a first calibrated temperature value; add a second calibration value to the first calibrated temperature value to obtain a second calibrated temperature value; and determine the second calibrated temperature value as the temperature of the heater.

公开(公告)号：US20230112360A1

公开(公告)日：2023-04-13

申请号：US16978090

申请日：2020-05-19

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Sang Kyu PARK ,  Hwi Kyeong AN ,  Seung Won LEE ,  Soung Ho JU

IPC: A24F40/465 ,  A24F40/20 ,  H05B6/36 ,  H05B6/10

Abstract: An aerosol generating device includes an accommodation space in a cylindrical shape for accommodating a cigarette, an induction coil wound along an outer surface of the accommodation space, a power supply for supplying electric power to the induction coil, a controller for controlling electric power supplied to the induction coil, and a shield film including a ferromagnetic material for shielding electromagnetic interference from electromagnetic waves emitted from the induction coil. The shield film surrounds only a portion of an outer surface of the induction coil to shield the electromagnetic interference from the electromagnetic waves having a frequency that does not exceed 500 kHz.

公开(公告)号：US20230013486A1

公开(公告)日：2023-01-19

申请号：US17270757

申请日：2020-12-14

Applicant: KT&G CORPORATION

Inventor： Yong Hwan KIM ,  Sung Wook YOON ,  Seung Won LEE ,  Dae Nam HAN

IPC: A24F40/57 ,  A24F40/20 ,  A24F40/51 ,  A24F40/65 ,  H01M10/48 ,  H05B1/02

Abstract: An aerosol generating device may include a housing forming an exterior of the aerosol generating device; a heater configured to heat an aerosol generating article inserted through a first surface of the housing; a battery electrically connected to the heater; a weather information sensor exposed through a second surface of the housing and configured to measure weather information surrounding the housing; and a controller configured to adjust power supplied from the battery to the heater, wherein the controller is further configured to control an amount of the power supplied from the battery to the heater such that the heater is heated according to at least one from among a target temperature of a pre-heating section and a target temperature of a smoking section that is determined.