公开(公告)号：US20240251866A1

公开(公告)日：2024-08-01

申请号：US18392411

申请日：2023-12-21

Applicant: KT&G CORPORATION

Inventor： Sun Hwan JUNG ,  Jong Sub LEE ,  Byungsung CHO

IPC: A24F40/51 ,  A24D1/20 ,  A24F40/53

CPC classification number: A24F40/51 ,  A24D1/20 ,  A24F40/53 ,  A24F40/20 ,  A24F40/60 ,  A24F40/65

Abstract: An aerosol generating device includes a housing having an elongated cavity formed to accommodate an aerosol generating article, a controller accommodated in the housing, the controller including at least one processor, a vaporizer configured to generate an aerosol by heating a liquid composition, and emit the aerosol toward the aerosol generating article, and a measurement unit configured to measure a state of use of the aerosol generating article.

公开(公告)号：US20240188629A1

公开(公告)日：2024-06-13

申请号：US18287990

申请日：2022-05-13

Applicant: KT&G CORPORATION

Inventor： Ju Hwan LEE ,  Jeong Hoo KIM ,  Min Kyu KIM ,  Jung Ho KIM ,  Ju Eon PARK ,  Jong Sub LEE ,  Byung Sung CHO ,  Jung Ho HAN

IPC: A24D1/20 ,  A24D1/02 ,  A24D1/04 ,  A24D3/04 ,  A24D3/17 ,  A24F40/10 ,  A24F40/20 ,  A24F40/30

CPC classification number: A24D1/20 ,  A24D1/02 ,  A24D1/045 ,  A24D3/04 ,  A24D3/17 ,  A24F40/10 ,  A24F40/20 ,  A24F40/30

Abstract: An aerosol-generating article according to one aspect of the present disclosure may include a tobacco medium portion and a filter portion coupled to a side of the tobacco medium portion and cooling and filtering an aerosol delivered from the tobacco medium portion. The filter portion may include a first filter segment disposed to be spaced apart from the tobacco medium portion and filtering the aerosol, an inner wrapper surrounding the first filter segment and extending toward the tobacco medium portion, and a second filter segment surrounded by the tobacco medium portion, the first filter segment, and the inner wrapper so as to have a space therein.

公开(公告)号：US20240188628A1

公开(公告)日：2024-06-13

申请号：US18287983

申请日：2022-05-13

Applicant: KT&G CORPORATION

Inventor： Ju Hwan LEE ,  Jeong Hoo KIM ,  Min Kyu KIM ,  Jung Ho KIM ,  Ju Eon PARK ,  Jong Sub LEE ,  Byung Sung CHO ,  Jung Ho HAN

IPC: A24D1/20 ,  A24D1/02 ,  A24D1/04 ,  A24F40/10 ,  A24F40/20 ,  A24F40/30

CPC classification number: A24D1/20 ,  A24D1/02 ,  A24D1/045 ,  A24F40/10 ,  A24F40/20 ,  A24F40/30

Abstract: An aerosol-generating article according to one aspect of the present disclosure may include a tobacco medium portion, a filter portion disposed to be spaced apart from the tobacco medium portion, a wrapper surrounding the tobacco medium portion and the filter portion, and a cooling portion surrounded by the tobacco medium portion, the filter portion, and the wrapper so as to have a space therein.

公开(公告)号：US20230141960A1

公开(公告)日：2023-05-11

申请号：US16970434

申请日：2020-04-14

Applicant: KT&G CORPORATION

Inventor： Byung Sung CHO ,  Won Kyeong LEE ,  Jong Sub LEE ,  Dae Nam HAN

IPC: A24F40/57 ,  A24F40/42 ,  A24F40/53 ,  A24F40/51 ,  A24F40/60

CPC classification number: A24F40/57 ,  A24F40/42 ,  A24F40/53 ,  A24F40/51 ,  A24F40/60

Abstract: Provided is an aerosol generating device including a heater that heats an aerosol-generating material and a controller that controls power supplied to the heater. The controller may measure a resistance value of the heater by using at least one electrical characteristic associated with the heater, select any one power profile from among a plurality of pre-stored power profiles including values of power to be supplied to the heater, such that a temperature of the heater reaches a target temperature within a predetermined time from a time point at which power supply to the heater is initiated regardless of variation in the resistance value of the heater, and control power supplied to the heater according to the selected power profile.

公开(公告)号：US20220378108A1

公开(公告)日：2022-12-01

申请号：US17604631

申请日：2021-08-02

Applicant: KT&G CORPORATION

Inventor： Byung Sung CHO ,  Min Kyu KIM ,  Ju Eon PARK ,  Jong Sub LEE

IPC: A24F40/57 ,  A24F40/10 ,  A24F40/20 ,  A24F40/30 ,  A24F40/51 ,  A24F40/60 ,  A24F40/42 ,  H05B1/02

Abstract: An aerosol-generating device includes a heater configured to heat an aerosol-generating material, a puff detection sensor configured to detect puffs of a user, a battery configured to supply power to the heater, and a controller configured to: based on a new puff being detected by the puff detection sensor, count a number of accumulated puffs including the new puff, determine a puff section corresponding to the number of accumulated puffs from among a plurality of puff sections which are divided according to the number of accumulated puffs, and control the power supplied to the heater based on a power range preset for the determined puff section.

公开(公告)号：US20220369707A1

公开(公告)日：2022-11-24

申请号：US16969321

申请日：2020-04-22

Applicant: KT&G Corporation

Inventor： Jong Sub LEE ,  Kyung Moon JI

IPC: A24F40/42 ,  A24F40/10 ,  A24F40/51 ,  A24F40/46

Abstract: A cartridge for an aerosol generating device is provided, which includes a storage configured to store an aerosol generating material; a heating element configured to generate aerosol by heating the aerosol generating material; an aerosol discharge passage configured to discharge the aerosol in one direction; and a cap coupled to one end of the storage to seal the storage; and a droplet accommodation portion formed in the cap and located on an extension line of the aerosol discharge passage to accommodate droplets formed from the aerosol.

公开(公告)号：US20220361580A1

公开(公告)日：2022-11-17

申请号：US17293242

申请日：2020-12-14

Applicant: KT&G CORPORATION

Inventor： Byung Sung CHO ,  Won Kyeong LEE ,  Min Kyu KIM ,  Jong Sub LEE

IPC: A24F40/50 ,  A24F40/10 ,  A24F40/40

Abstract: An aerosol generating device and a controlling method thereof are provided. An aerosol generating device includes: a battery configured to supply power for generating an aerosol from an aerosol generating material; a converter configured to convert a supply voltage from the battery into a constant voltage of a predetermined level; a heater configured to heat the aerosol generating material using the supply voltage; a detection circuit configured to detect a change in resistance of the heater by applying the constant voltage output from the converter and performing a current sensing on the heater with a resistance value; and a controller configured to control the heater for generating the aerosol by switching between a monitoring mode for performing the detection of the change in the resistance of the heater using the constant voltage and a heating mode for heating the heater using the supply voltage.

公开(公告)号：US20220125124A1

公开(公告)日：2022-04-28

申请号：US17427768

申请日：2020-08-24

Applicant: KT&G CORPORATION

Inventor： Byung Sung CHO ,  Min Kyu KIM ,  Won Kyeong LEE ,  Jong Sub LEE

IPC: A24F40/60 ,  A24F40/53 ,  A24F40/57 ,  A24F40/46

Abstract: Provided is an aerosol generating device including: a heater configured to heat an aerosol-generating material; a battery configured to supply power to the heater; a puff detection sensor configured to detect a user's puff; and a controller configured to receive a sensing value from the puff detection sensor, wherein the controller is configured to, when the sensing value is equal to or less than a first threshold value, determine that a puff has occurred and control power supplied to the heater based on a first temperature profile for a pre-set time period, and after the pre-set time period, control power supplied to the heater based on a second temperature profile.

公开(公告)号：US20220087311A1

公开(公告)日：2022-03-24

申请号：US17540042

申请日：2021-12-01

Applicant: KT&G CORPORATION

Inventor： Jung Ho HAN ,  Jang Uk LEE ,  Hun Il LIM ,  Jong Sub LEE ,  Dae Nam HAN ,  Jin Young YOON ,  Young Lea KIM ,  Ji Soo JANG ,  Wang Seop LIM ,  Moon Bong LEE ,  Soung Ho JU ,  Du Jin PARK ,  Seong Won YOON

IPC: A24D1/20 ,  A24F40/53 ,  A24F40/46 ,  A24F40/57 ,  H05B3/42 ,  A24F40/90 ,  A24F40/95 ,  A24D3/17 ,  A24F40/50

Abstract: Provided is an aerosol generating system including a holder configured to generate aerosol by heating a cigarette; and a cradle including an inner space into which the holder is inserted. The holder is configured to be tiltable with respect the cradle. The holder is inserted into the inner space of the cradle and then tilted to generate the aerosol.

公开(公告)号：US20210235763A1

公开(公告)日：2021-08-05

申请号：US17050632

申请日：2019-10-24

Applicant: KT&G CORPORATION

Inventor： Sang Kyu PARK ,  Seung Won LEE ,  Jong Sub LEE

IPC: A24F40/465 ,  A24F40/20 ,  H05B6/10 ,  A24F40/57 ,  A24F40/51

Abstract: According to an embodiment, provided is an aerosol generating device including: a receiving portion accommodating a cigarette through an opening formed at one end of the receiving portion; a first susceptor located in the receiving portion; a second susceptor arranged spaced apart from the first susceptor; a third susceptor arranged spaced apart from the first susceptor and the second susceptor; and a coil that induces an alternating magnetic field so that the first to third susceptors generate heat, wherein whether the cigarette is accommodated is determined based on a first temperature profile of the second susceptor and a second temperature profile of the third susceptor.