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公开(公告)号：US20240172790A1
公开(公告)日：2024-05-30
申请号：US17789879
申请日：2022-04-06
Applicant: KT&G CORPORATION
Inventor： Wonkyeong LEE , Min Kyu KIM , Jung Ho KIM , Hyung Seok LEE , Heon Jun JEONG , Byung Sung CHO
CPC classification number: A24F40/05 , A24F40/10 , A24F40/53 , B06B1/0215 , B06B2201/55 , B06B2201/77
Abstract: According to an embodiment of the present disclosure, a method of controlling an aerosol generating device that generates an aerosol based on ultrasonic vibration of a vibrator of the aerosol generating device is provided. The method includes: operating, based on power of the aerosol generating device being turned on, the aerosol generating device in a preheat mode for preheating the vibrator; operating, based on the preheat mode being completed, the aerosol generating device in a power repetition control mode wherein supplying of power to the vibrator and cutting off supply of the power to the vibrator are alternately repeated; and operating, based on a puff of a user being sensed while operating in the power repetition control mode, the aerosol generating device in a puffing mode wherein power is supplied to the vibrator to generate the aerosol.
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公开(公告)号：US20230309624A1
公开(公告)日：2023-10-05
申请号：US18312386
申请日：2023-05-04
Applicant: KT&G CORPORATION
Inventor： Jaemin LEE , Sang Kyu PARK , Hyung Seok LEE , Soung Ho JU
IPC: A24F40/465 , A24F40/95 , A24F40/57 , A24F40/65
CPC classification number: A24F40/465 , A24F40/57 , A24F40/65 , A24F40/95
Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
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公开(公告)号：US20250127204A1
公开(公告)日：2025-04-24
申请号：US18580073
申请日：2023-08-04
Applicant: KT&G CORPORATION
Inventor： Min Kyu KIM , Jung Ho KIM , Won Kyeong LEE , Hyung Seok LEE , Heon Jun JEONG
Abstract: A method of manufacturing tobacco granules includes manufacturing ground tobacco by grinding raw tobacco, manufacturing a mixture including the ground tobacco and a solvent, manufacturing tobacco granules by using the mixture, and freeze-drying the tobacco granules.
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Patent Agency Ranking
公开(公告)号：US20240225117A1
公开(公告)日：2024-07-11
申请号：US17928073
申请日：2022-08-04
Applicant: KT&G CORPORATION
Inventor： Won Kyeong LEE , Min Kyu KIM , Jung Ho KIM , Jong Sub LEE , Hyung Seok LEE , Heon Jun JEONG
CPC classification number: A24F40/51 , A24F40/42 , A24F40/90 , B05B17/0684
Abstract: An aerosol generating device includes: a housing; a first printed circuit board arranged to extend along one surface of the housing; and a second printed circuit board arranged in the housing, and on which a processor configured to generate a control signal is mounted, the second printed circuit board extending in a direction crossing a direction in which the one surface of the housing extends.
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公开(公告)号：US20230354915A1
公开(公告)日：2023-11-09
申请号：US17780706
申请日：2021-09-06
Applicant: KT&G CORPORATION
Inventor： Jaemin LEE , Sang Kyu PARK , Hyung Seok LEE , Soung Ho JU
IPC: A24F40/57 , A24F40/20 , A24F40/465 , H05B6/10 , H05B6/06
CPC classification number: A24F40/57 , A24F40/20 , A24F40/465 , H05B6/108 , H05B6/06
Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
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公开(公告)号：US20230148669A1
公开(公告)日：2023-05-18
申请号：US17596860
申请日：2021-09-07
Applicant: KT&G CORPORATION
Inventor： Jae Min LEE , Hyung Seok LEE , Hwi Kyeong AN , Soung Ho JU , Sang Kyu PARK
IPC: A24F40/465 , H05B6/10 , A24F40/20 , A24F40/51
CPC classification number: A24F40/465 , H05B6/105 , A24F40/20 , A24F40/51
Abstract: A heater assembly for accommodating and heating an aerosol generating article includes an accommodation space into which the aerosol generating article is inserted, a coil surrounding at least part of the accommodation space and configured to generate an induced magnetic field, and a susceptor disposed in the accommodation space and configured to generate heat according to the induced magnetic field, wherein, in a state in which the aerosol generating article is fully inserted into the accommodation space, a distal end portion of the susceptor is placed upstream of a boundary between the tobacco rod and the filter rod by a preset distance inside the aerosol generating article.
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公开(公告)号：US20230095659A1
公开(公告)日：2023-03-30
申请号：US16978050
申请日：2020-05-08
Applicant: KT&G CORPORATION
Inventor： Jae Min LEE , Hyung Seok LEE
Abstract: Provided is an aerosol generating device including a heater configured to heat an aerosol generating material; a sensor configured to detect movement of the aerosol generating device; and a controller configured to: count stop time corresponding to a time for which the movement is not detected during an operation time of the heater, and extend the operation time based on the stop time.
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公开(公告)号：US20240260671A1
公开(公告)日：2024-08-08
申请号：US18639389
申请日：2024-04-18
Applicant: KT&G CORPORATION
Inventor： Jaemin LEE , Sang Kyu PARK , Hyung Seok LEE , Soung Ho JU
CPC classification number: A24F40/465 , A24F40/20 , A24F40/57 , A24F40/65 , A24F40/95 , H05B6/06 , H05B6/108
Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
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