公开(公告)号：US20200214355A1

公开(公告)日：2020-07-09

申请号：US16648335

申请日：2018-10-29

Applicant: KT&G CORPORATION

Inventor： Seung Won LEE ,  Jae Min LEE ,  In Seoung CHUN ,  Sung Rok OH ,  Kyung Moon Jl

IPC: A24F40/50 ,  A24F40/46 ,  A24F40/60

Abstract: An aerosol generating device includes a case, a cover having a metallic body and configured to be coupled to the case, a heater configured to heat an aerosol generating material, a magnetic force generator arranged in the case and configured to generate magnetic force acting on the metallic body according to a current applied thereto, and a controller configured to adjust coupling force between the cover and the case arising, which is generated by the magnetic force, by controlling the current applied to the magnetic force generator based on an operating state of the heater.

公开(公告)号：US20240196990A1

公开(公告)日：2024-06-20

申请号：US18591738

申请日：2024-02-29

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Jong Sub LEE ,  Dae Nam HAN ,  Paul Joon SUNWOO

IPC: A24F40/60 ,  A24F40/53 ,  A24F40/57 ,  A24F40/85

CPC classification number: A24F40/60 ,  A24F40/53 ,  A24F40/57 ,  A24F40/85

Abstract: Provided is a method of cleaning an aerosol generating device, the method including: receiving a user input for performing a cleaning operation; obtaining information about a performance history of the cleaning operation in response to the user input; setting a mode of the cleaning operation to one of a plurality of cleaning modes based on the information about the performance history; and performing the cleaning operation according to the set cleaning mode.

公开(公告)号：US20240180235A1

公开(公告)日：2024-06-06

申请号：US18286741

申请日：2022-05-13

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Ji Hyun JO ,  Soung Ho JU

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

CPC classification number: A24D1/20 ,  A24D1/025 ,  A24D1/027 ,  A24D1/045 ,  A24D3/10 ,  A24D3/17

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 cooling portion disposed between the tobacco medium portion and the filter portion, and a heat transfer portion surrounding at least a portion of the cooling portion.

公开(公告)号：US20220183382A1

公开(公告)日：2022-06-16

申请号：US17056221

申请日：2020-07-13

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Jong Sub LEE ,  Dong Bum KWON ,  Jin Soo SEONG

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

Abstract: An aerosol generating device includes a heater for heating an aerosol generating material, a battery for supplying power to the heater, and a controller, and reduces unnecessary power consumption by detecting the moment of actual use of the aerosol generating device and resetting or updating the baseline of a puff sensor only for such actual use.

公开(公告)号：US20220132936A1

公开(公告)日：2022-05-05

申请号：US17057899

申请日：2020-05-20

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Sang Kyu PARK

IPC: A24F40/57 ,  A24F40/53

Abstract: Provided is an aerosol generating device including: a heater heating an aerosol generating material by power supplied; a battery storing power to be supplied to the heater; and a controller controlling power supply to the heater and power supply to the battery, wherein, the controller monitors a heating state of the heater when the aerosol generating device is electrically connected to an external power supply source; performs heating of the heater without charging of the battery by the external power supply source when the monitored heating state is determined to be a rapid heating state; and controls power supply to the heater and power supply to the battery to perform charging of the battery and heating of the heater together by the external power supply source when the monitored heating state is determined not to be the rapid heating state.

公开(公告)号：US20220132927A1

公开(公告)日：2022-05-05

申请号：US17057887

申请日：2020-05-20

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Sang Kyu PARK

IPC: A24F40/46 ,  A24F40/20 ,  A24F40/53 ,  A24F40/57 ,  H05B6/72 ,  H05B6/80

Abstract: According to an embodiment of the present invention, there is disclosed an aerosol-generating device for generating an aerosol through microwaves, the device including a microwave heater generating microwaves; a microwave cavity located in the aerosol-generating device, configured to accommodate a cigarette containing an aerosol-generating substrate, and including at least one outlet for passing an aerosol generated from the cigarette heated by the generated microwaves; and a microwave antenna located outside the microwave cavity and configured to transmit the generated microwaves to a predetermined effective area range in the microwave cavity.

公开(公告)号：US20210186114A1

公开(公告)日：2021-06-24

申请号：US16756220

申请日：2019-07-01

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE

IPC: A24F40/57 ,  A24F40/20 ,  H05B1/02 ,  G05B15/02

Abstract: An aerosol generator includes a heater for heating a cigarette accommodated in the aerosol generator, a battery for supplying electric power to the heater, and a controller configured to: control the electric power supplied to the heater to increase a temperature of the heater to a reference temperature or greater, the reference temperature being set to be suitable for generating aerosol from the cigarette, set a target temperature of the heater, control the electric power supplied to the heater based on the target temperature such that the temperature of the heater is maintained at the reference temperature, and adjust the target temperature to compensate for the temperature of the heater when the temperature of the heater decreases below the reference temperature.

公开(公告)号：US20210084980A1

公开(公告)日：2021-03-25

申请号：US16971876

申请日：2019-11-07

Applicant: KT&G CORPORATION

Inventor： Seung Won LEE ,  Sang Kyu PARK ,  Jae Min LEE

IPC: A24F40/465 ,  A24F40/51 ,  A24F40/20 ,  A24F40/57 ,  H05B6/06 ,  H05B6/10

Abstract: A heater assembly for heating a cigarette accommodated in an aerosol generating device includes a heating element that extends in a longitudinal direction of the cigarette and includes a ferromagnetic substance for generating heat by an external magnetic field, and a temperature sensor that measures a temperature of the heating element. The heater assembly is disposed at an inner end portion of an accommodation space provided in the aerosol generating device to accommodate the cigarette.

公开(公告)号：US20200260791A1

公开(公告)日：2020-08-20

申请号：US16645194

申请日：2018-08-10

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Hun II LIM ,  Sang Kyu PARK ,  Seung Won LEE ,  Hyung Jin JUNG ,  Young Je KIM

IPC: A24F40/57 ,  A24F40/51 ,  A24F40/53 ,  A24F40/46

Abstract: According to an embodiment of the present disclosure, an aerosol generating apparatus having a feedback control function includes a heater configured to heat an aerosol generating substrate to generate an aerosol; a controller configured to generate a control signal for controlling power supplied to the heater; a switch configured to perform a switching operation based on the control signal to supply the power to the heater; and a comparison signal calculator configured to receive a signal by the switching operation to calculate a comparison target signal, wherein the controller is further configured to generate a cut-off signal for stopping the switching operation of the switch based on a comparison value calculated by comparing the comparison target signal with a reference signal exceeding a preset range.

公开(公告)号：US20240225124A1

公开(公告)日：2024-07-11

申请号：US17928061

申请日：2022-08-01

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE

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

CPC classification number: A24F40/57 ,  A24F40/51 ,  H05B6/108

Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating material; and a controller configured to control supply of electric power to the heater, according to a predetermined temperature profile, wherein the controller is further configured to detect puffs of a user, and change the predetermined temperature profile based on a time interval between the detected puffs.