公开(公告)号：US20220338552A1

公开(公告)日：2022-10-27

申请号：US17265918

申请日：2020-11-09

Applicant: KT&G CORPORATION

Inventor： Sang Kyu PARK ,  Jae Min LEE

IPC: A24F40/57 ,  A24F40/46 ,  A24F40/20 ,  H05B1/02

Abstract: An aerosol generating device includes: a heater including a first electrically conductive track and a second electrically conductive track having a higher temperature coefficient of resistance than the first electrically conductive track; and a controller configured to heat a cigarette accommodated in the aerosol generating device by using the first electrically conductive track in a first temperature change section and heat the cigarette by using the second electrically conductive track in a second temperature change section.

公开(公告)号：US20210345684A1

公开(公告)日：2021-11-11

申请号：US17283357

申请日：2020-06-11

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Sang Kyu PARK

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

Abstract: An aerosol generating device includes a heater configured to heat an aerosol generating substrate, at least one sensor configured to sense a tap input of a user, and a controller configured to receive a sensing value indicating the tap input from the at least one sensor, count a number of tap inputs based on the received sensing value being greater than a variable threshold, and operate the heater based on whether the counted number of tap inputs reaches a predetermined input number, wherein the controller adjusts the variable threshold based on the counted number of tap inputs.

公开(公告)号：US20210274841A1

公开(公告)日：2021-09-09

申请号：US16981538

申请日：2020-06-11

Applicant: KT&G CORPORATION

Inventor： Jong Sub LEE ,  Jae Min LEE ,  Dae Nam HAN ,  Jin Soo SEONG ,  Sung Wook YOON ,  Won Kyeong LEE

IPC: A24F40/42 ,  A24F40/485 ,  A24F40/10

Abstract: An aerosol generating device includes a cartridge configured to generate aerosol from an aerosol generating material; and a main body comprising an accommodation space for accommodating the cartridge, wherein an airflow passage for introducing external air is formed between a wall of the main body adjoining the accommodation space and a wall of the cartridge when the cartridge is accommodated in the accommodation space of the main body.

公开(公告)号：US20210177065A1

公开(公告)日：2021-06-17

申请号：US17056502

申请日：2019-10-23

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE

IPC: A24F40/57 ,  H05B1/02 ,  G05B6/02

Abstract: An embodiment of the present invention discloses an aerosol-generating device, the device including a heater for heating an aerosol-generating substrate, and a controller for controlling power supplied to the heater through a proportional integral differential (PID) method, based on an integral control weight determined according to an initial temperature of the heater.

公开(公告)号：US20210145073A1

公开(公告)日：2021-05-20

申请号：US16645165

申请日：2018-07-24

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Young Je KIM

IPC: A24F40/57 ,  A24F40/53 ,  H02J7/00 ,  H05B1/02

Abstract: An aerosol generation device includes a heater configured to generate an aerosol by heating an aerosol generating substrate; and a controller configured to control power to be supplied to the heater by a battery using a control signal, wherein the controller is further configured to identify state information of the battery at a heating start time point when the heater starts to be heated and calculate a duty ratio of the control signal based on the identified state information.

公开(公告)号：US20200368462A1

公开(公告)日：2020-11-26

申请号：US16959296

申请日：2019-10-23

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE ,  Hyung Jin JUNG

IPC: A61M15/06 ,  A24B15/167

Abstract: An embodiment of the present disclosure, may provide an aerosol generating device which may include a first heater for heating a cigarette inserted into a first portion of the aerosol generating device; a second heater for heating a liquid composition stored in a cartridge detachably attached to a second portion of the aerosol generating device; and a controller for controlling power supplied to the first heater and the second heater, wherein the controller may control the power supplied to the second heater based on a heating pattern by which the first heater is heated.

公开(公告)号：US20200329776A1

公开(公告)日：2020-10-22

申请号：US16959266

申请日：2019-10-23

Applicant: KT&G CORPORATION

Inventor： Jae Min LEE

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

Abstract: Provided is a device for generating an aerosol, the device including: a heater that generates the aerosol by heating an aerosol generating material; and a controller that variably increases an amount of power supplied to the heater to heat the aerosol generating material at a preheating temperature lower than a heating temperature for generating the aerosol.