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公开(公告)号:US20240080948A1
公开(公告)日:2024-03-07
申请号:US18261698
申请日:2022-01-27
Applicant: Philip Morris Products S.A.
Inventor: Jerome Christian COURBAT , Oleg MIRONOV , Enrico STURA , Patrick Philippe MONNEY
IPC: H05B6/10 , A24F40/465 , A24F40/53 , H02M7/48 , H03K17/687 , H05B6/04 , H05B6/06
CPC classification number: H05B6/108 , A24F40/465 , A24F40/53 , H02M7/4815 , H03K17/687 , H05B6/04 , H05B6/06
Abstract: An inductive heating arrangement to heat an aerosol-forming substrate is provided, including: a DC power source and power supply electronics including a DC/AC inverter connected to the power source, the inverter including a resonant switching power amplifier with a transistor switch, a transistor switch driver circuit associated with the switch and an LC load network including a capacitor and an inductor to generate an alternating magnetic field, the driver circuit including a tunable oscillator to output a switching signal to the switch having a tunable switching frequency; a current sensor to determine a DC supply current drawn from the power source; and a controller to receive a current signal from the sensor indicative of the supply current and to tune the frequency of the switching signal in response to the received current signal in order to tune the supply current to be in a predetermined range.
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公开(公告)号:US20240040671A1
公开(公告)日:2024-02-01
申请号:US18483167
申请日:2023-10-09
Applicant: Philip Morris Products S.A.
Inventor: Ihar ZINOVIK , Oleg MIRONOV , Keethan Dasnavis FERNANDO
IPC: H05B3/34 , A61M11/04 , A24F40/42 , A61M15/06 , G05D23/24 , A61M11/00 , A61M15/00 , B32B3/26 , B32B5/02 , B32B27/06 , B32B27/12 , B32B27/28 , H05B3/14
CPC classification number: H05B3/347 , A61M11/042 , A24F40/42 , A61M15/06 , G05D23/2401 , H05B3/34 , A61M11/003 , A61M15/0021 , A61M15/0028 , B32B3/266 , B32B5/024 , B32B27/06 , B32B27/12 , B32B27/281 , H05B3/145 , A61M2205/8206 , H05B2203/021 , A61M2206/14 , B32B2250/02 , B32B2262/106 , B32B2307/202 , B32B2457/00 , H05B2203/015
Abstract: An aerosol-generating system including a cartridge is provided, the cartridge including a liquid storage portion including a housing configured to hold a liquid aerosol-forming substrate, the housing having an opening; and a heater assembly including at least one heater element fixed to the housing and extending across an opening of the housing, wherein a width of the at least one heater element of the heater assembly is smaller than a width of the opening of the housing. The heater element may be spaced from a periphery of the opening, leading to more efficient heating and aerosol production.
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公开(公告)号:US20230240378A1
公开(公告)日:2023-08-03
申请号:US18003471
申请日:2021-06-30
Applicant: Philip Morris Products S.A.
Inventor: Oleg MIRONOV , Enrico STURA , Maxime DUCROS , Daniela HAU
Abstract: A method of operating an aerosol-generating device is provided, the device including a power supply to supply power to generate the aerosol, and a controller, the method including: monitoring a parameter indicative of aerosol generation during operation of the device; and analysing the monitored parameter to identify a user puff defined by a puff start and end, the analysing including calculating first and second characteristics of the monitored parameter, and analysing the first and the second characteristics to determine the puff start and end, the parameter indicative of aerosol generation representing power supplied by the power supply, the first and the second characteristics respectively being a first and a second moving average value of the monitored parameter computed on a first and a second time window having a first and a second time window duration, the second time window duration being different from the first time window duration.
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公开(公告)号:US20230232888A1
公开(公告)日:2023-07-27
申请号:US18189787
申请日:2023-03-24
Applicant: Philip Morris Products S.A.
Inventor: Oleg MIRONOV , Ihar Nikolaevich ZINOVIK
IPC: A24B15/12 , A24D1/20 , A24F40/465 , A24B15/16 , H05B6/10
Abstract: An aerosol-forming substrate is provided for use with an inductive heating device, including: a solid material to release volatile compounds to form an aerosol upon heating of the substrate, a first susceptor material to heat the substrate and having a first Curie-temperature and being arranged in thermal proximity of the solid material, and a second susceptor material having a second Curie-temperature and being arranged in thermal proximity of the solid material, the first Curie-temperature being lower than the second Curie-temperature, and the second Curie-temperature defining a maximum heating temperature of the first and second materials, the first and second materials being arranged in heaped formation at different locations within the substrate, one of the first and second susceptor materials being arranged in a central region of the substrate and the respective other one of the first and second susceptor materials is arranged in peripheral regions of the substrate.
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公开(公告)号:US20230225412A1
公开(公告)日:2023-07-20
申请号:US17998175
申请日:2021-05-12
Applicant: Philip Morris Products S.A.
Inventor: Jerome Christian COURBAT , Oleg MIRONOV , Özgür ÖZSUN
Abstract: A liquid-conveying susceptor assembly is provided for conveying and inductively heating an aerosol-forming liquid under an influence of an alternating magnetic field, the assembly including: an array of inductively heatable longitudinal filaments arranged side by side; and an array of transverse filaments arranged side by side and crossing the longitudinal filaments transverse to a length extension of the longitudinal filaments, in which the transverse filaments only extend along a length portion of the longitudinal filaments such that the assembly further includes at least one grid portion and at least one non-grid portion, in which in the grid portion the transverse filaments and the longitudinal filaments cross each other, in which in the non-grid portion the assembly only includes the longitudinal filaments, but no transverse filaments, and in which length dimension of the non-grid portion is at least 20 percent of a length dimension of the longitudinal filaments.
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公开(公告)号:US20220369714A1
公开(公告)日:2022-11-24
申请号:US17637269
申请日:2020-05-27
Applicant: Philip Morris Products S.A.
Inventor: Yannick BUTIN , Jerome Christian COURBAT , Oleg FURSA , Oleg MIRONOV , Enrico STURA , Valerio OLIANA
IPC: A24F40/465 , A24F40/53 , A24F40/57
Abstract: An aerosol-generating device to heat an aerosol-forming substrate configured to form an inhalable aerosol when heated, including: a cavity to removably receive an article including the substrate and an inductively heatable susceptor to heat the substrate; a DC power supply; an inductive heating arrangement connected to the power supply and to generate an alternating magnetic field within the cavity to inductively heat the susceptor in a heating operation when the article is received in the cavity; and control circuitry to generate power pulses for intermittently powering on the arrangement, measure for each power pulse a property of the arrangement, detect whether a change of the property has occurred as compared previous power pulses due to the susceptor becoming present within or absent from the cavity when the article is inserted or extracted, and detect insertion or extraction of the article in response to detecting of a change of the property.
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公开(公告)号:US20220354182A1
公开(公告)日:2022-11-10
申请号:US17624445
申请日:2020-07-02
Applicant: Philip Morris Products S.A.
Inventor: Jerome Christian COURBAT , Oleg MIRONOV , Enrico STURA
Abstract: A method of controlling an aerosol-generating system is provided, the system including: an inductive heating arrangement to heat an aerosol-forming substrate and including an inductive heating element including a susceptor to heat the substrate, and first and second inductor coils; a power supply to supply power to the arrangement; and the method including: driving a first varying current in the first coil to generate a first varying magnetic field and controlling the first current such that a temperature of the first portion of the heating element increases to a first operating temperature; and driving a second varying current in the second coil to generate a second varying magnetic field and controlling the second current such that a temperature of the second portion of the heating element increases to a second operating temperature, the second current is not driven when the first current is driven and vice versa.
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公开(公告)号:US20220240587A1
公开(公告)日:2022-08-04
申请号:US17624545
申请日:2020-07-03
Applicant: Philip Morris Products S.A.
Inventor: Jerome Christian COURBAT , Oleg MIRONOV , Enrico STURA
IPC: A24F40/465 , A24F40/57 , H05B6/10
Abstract: An aerosol-generating device is provided, including: a device cavity having proximal and distal ends, the proximal end to receive an aerosol-generating article; an inductive heating arrangement to heat the substrate and including: a susceptor arrangement heatable by penetration with a varying magnetic field to heat the substrate, a first LC circuit having a first resonance frequency and including a first inductor coil arranged towards the proximal end and a first capacitor, and a second LC circuit having a second resonance frequency different from the first resonance frequency and including a second inductor coil arranged towards the distal end and a second capacitor, and the second coil has a different number of turns than that of the first coil; and a controller to initiate heating of the substrate by driving a first varying current in the first coil and subsequently driving a second varying current in the second coil.
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公开(公告)号:US20210360974A1
公开(公告)日:2021-11-25
申请号:US17045583
申请日:2019-04-23
Applicant: Philip Morris Products S.A.
Inventor: Oleg MIRONOV , Jerome Christian COURBAT , Enrico STURA
Abstract: An inductive heating assembly is provided for generating an aerosol from an aerosol-forming liquid, the assembly including: a ring-shaped liquid retention element configured to hold and to transport the aerosol-forming liquid; and a ring-shaped susceptor element coaxially arranged at an axial end face of the ring-shaped liquid retention element and being configured to heat the aerosol-forming liquid within the ring-shaped liquid retention element, the ring-shaped susceptor element including an inductively heatable susceptor material exclusively confined within an inner ring portion having an outer radial extension of at most 50 percent of an outer radial extension of the ring-shaped liquid retention element. An aerosol-generating article including the inductive heating assembly is also provided.
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公开(公告)号:US20210315277A1
公开(公告)日:2021-10-14
申请号:US17268218
申请日:2019-08-16
Applicant: Philip Morris Products S.A.
Inventor: Oleg MIRONOV , Jerome Christian COURBAT , Enrico STURA
IPC: A24F40/465 , A24F40/51 , A24F40/53
Abstract: An electrically heatable aerosol-generating device for an aerosol-generating article is provided, the device including a device housing including a receiving cavity within a proximal portion of the device to receive at least a portion of the aerosol-generating article; a separating wall disposed adjacent to a distal end of the cavity, separating the cavity within the proximal portion from a distal portion of the device; at least one electrical heating device configured to heat an aerosol-forming substrate within the article when the article is received in the cavity; and sensing circuitry including a field generator disposed within the distal portion adjacent to the separating wall, the sensing circuitry being configured to measure a change of at least one property of the field generator caused by a presence of an indicator arranged within the article when the article is received in the cavity. An aerosol-generating system is also provided.
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