Philip Morris Products S.a.

Altria Client Services LLC

Altria Client Sendees LLC

Irene Taurino

Oleg Mironov

Ihar Nikolaevich Zinovik

Guillaume Frederick

Patrick Charles Silvestrini

Antonino Lanci

Philipp Bernhard

Hannes Merz

Igor Nikolaevich Zinovik

Jerome Christian Courbat

Onur Dayioglu

Ali Murat Saygili

Gennaro Campitelli

Gianpaolo D'Ambra

Emeric Grandjean

Farhang Mohseni

Fabiana Spadaro

Gianpaolo D'ambra

An aerosol-generating device is provided, including: a housing defining a chamber configured to receive at least one susceptor and at least one aerosol-forming substrate, the chamber having a length along a longitudinal axis thereof extending from a first end of the chamber to a second end of the chamber; and an inductor coil provided within the housing, disposed around the chamber, and extending along at least a portion of the length of the chamber, the inductor coil including a first portion disposed closest to the first end of the chamber, a second portion disposed closest to the second end of the chamber, and a third portion disposed between the first and the second portions, and a number of turns per unit length in the third portion is less than a number of turns per unit length in one or both of the first and the second portions.

Variable pitch and variable radius inductor coil designs within an aerosol-generating device

An aerosol-generating device includes a housing having a first end defining a mouthpiece, a second end, and a cavity defined between the first end and the second end. The device also includes a reservoir within the cavity. The reservoir is configured to store a liquid aerosol-forming substrate. The device also includes an atomizer and a valve within the mouthpiece of the housing. The valve has a first side and an second side. The second side of the valve includes a hydrophilic coating, a hydrophobic coating, or both a hydrophilic coating and a hydrophobic coating.

Aerosol-generating device with reduced leakage

There is provided a susceptor assembly configured to inductively heat an aerosol-forming substrate under influence of an alternating magnetic field, the susceptor assembly including a first susceptor including a first susceptor material and a second susceptor including a second susceptor material, the first and the second susceptor materials being chosen such that during pre-heating of the susceptor assembly starting at room temperature a resistance-over-temperature profile of the susceptor assembly has a minimum value of resistance in a temperature range of ±5 degree Celsius around a Curie temperature of the second susceptor material. There is also provided an inductive heating assembly, an aerosol-generating device, and an aerosol-generating system including the susceptor assembly.

Susceptor assembly for inductively heating an aerosol-forming substrate

A liquid nicotine formulation for an aerosol-generating system is provided, the nicotine formulation including: one or more water-miscible polyhydric alcohols, the nicotine formulation having a water-miscible polyhydric alcohol content of greater than or equal to about 5 percent by weight; and one or more low molar mass metal salts, the one or more low molar mass metal salts being selected from the group consisting of metal cinnamates, metal cycloheptanecarboxylates, metal levulinates, metal propanoates, metal stearates, and metal undecanoates. An aerosol-generating article and an aerosol-generating system are also provided.

Liquid nicotine formulation comprising low molar mass metal salt

There is provided an inductively heatable aerosol-generating article, including an aerosol-forming substrate; and a susceptor assembly configured to inductively heat the aerosol-forming substrate under influence of an alternating magnetic field, the susceptor assembly including a first susceptor and a second susceptor, the first susceptor including a first susceptor material having a positive temperature coefficient of resistance, and the second susceptor including a second ferromagnetic or ferrimagnetic susceptor material having a negative temperature coefficient of resistance. There is also provided an aerosol-generating system including the aerosol-generating article and an aerosol-generating device for the aerosol-generating article.

Inductively heatable aerosol-generating article comprising an aerosol-forming substrate and a susceptor assembly

An aerosol-generating device is provided, including a heater assembly including at least one heating element; an aerosol-forming substrate proximate to the assembly and including a liquid mixture including nicotine and a first aerosol-former having a boiling temperature higher than nicotine; a power supply to supply power to the assembly to generate an aerosol from the substrate; a mouthpiece to draw aerosol out of the device; and control circuitry to control the supply of power to the assembly, supply a first power to the element or to supply a power sufficient to maintain the element at a first temperature or first temperature range, between user puffs, and supply a second power to the element being higher than the first power or to raise a temperature of the element above the first temperature or the first temperature range, during user puffs, to provide preferential evaporation of nicotine over the first aerosol former.

Aerosol-generating system providing preferential evaporation of nicotine

There is provided an inductively heating aerosol-generating device configured to generate an aerosol by heating an aerosol-forming substrate, the device including a receiving cavity configured to receive the aerosol-forming substrate; an induction source configured to generate an alternating electromagnetic field; and a susceptor assembly configured and arranged to inductively heat the aerosol-forming substrate within the receiving cavity under influence of the alternating magnetic field generated by the induction source, the susceptor assembly including a first susceptor and a second susceptor, the first susceptor including a first susceptor material having a positive temperature coefficient of resistance, and the second susceptor including a second ferromagnetic or ferrimagnetic susceptor material having a negative temperature coefficient of resistance. There is also provided an aerosol-generating system including the aerosol-generating device and an aerosol-generating article for the aerosol-generating device, the article including an aerosol-forming substrate.

Inductively heating aerosol-generating device comprising a susceptor assembly

An aerosol-generating article is provided, including: a fluid guide having proximal and distal ends, and an inner longitudinal region including an inner longitudinal passageway between the distal end and the proximal end thereof, such that fluid can travel from the distal end to the proximal end, the fluid guide including a barrier between the inner and outer longitudinal passageways; a tubular element including a gel or a porous medium or a thread loaded or any combination, the gel or the medium or the thread or the combination includes an active agent, the tubular element having proximal and distal ends and disposed to a distal side of the fluid guide; an aperture to allow fluid to pass to the tubular element and exit the article at the proximal end; a combustible heat source at the distal end of the article; and a cavity between the fluid guide and the tubular element.

Aerosol generating article comprising a heat source

A heater assembly () for an aerosol-generating system, the heater assembly comprising: a fluid permeable heater () for heating a liquid aerosol-forming substrate to form an aerosol; a porous member () for conveying liquid aerosol-forming substrate to the fluid permeable heater, wherein the fluid permeable heater is deposited on to a porous outer surface () of the porous member, the fluid permeable heater comprising: a first layer () of deposited electrically conductive material; a second layer () of deposited electrically conductive material, wherein the electrical conductivity of the second layer is greater than the electrical conductivity of the first layer such that the second layer modifies the electrical resistance of the fluid permeable heater to a required resistance.

Heater assembly for an aerosol-generating system

A cartridge for an aerosol-generating system is provided, the cartridge including: a first compartment having a first air inlet and a first air outlet, and containing a nicotine source including a first carrier material impregnated with nicotine; and a second compartment having a second air inlet and a second air outlet, and containing an acid source including a second carrier material impregnated with an acid, one of the first and the second compartments including a pair of susceptor elements being arranged in contact with the first and the second carrier materials, respectively, within the first and the second compartments, respectively, and the first and the second carrier materials being respectively arranged between the pair of susceptor elements.

Inductively heatable cartridge for an aerosol-generating system and an aerosol-generating system comprising an inductively heatable cartridge

A cartridge for an aerosol-generating system is provided, including a first compartment containing a nicotine source and having a first air inlet and first air outlet, the inlet being upstream of the outlet; a second compartment containing an acid source and having a second air inlet and second air outlet, the inlet being upstream of the outlet; a mixing chamber for mixing nicotine from the nicotine source and acid from the acid source with an air flow to form an aerosol, the mixing chamber being downstream of both the first air outlet and the second air outlet; and a heating element configured to heat the mixing chamber, at least a portion of the heating element being neither upstream nor downstream of the mixing chamber. An aerosol-generating system and a method for aerosol generation in an aerosol-generating system are also provided.

Aerosol generating system with heated mixing chamber

A cartridge for an aerosol-generating system is provided, the cartridge containing a nicotine source including a liquid nicotine formulation, the liquid nicotine formulation including glycerine in an amount of at least 10 percent by weight and nicotine, in which a ratio by weight of nicotine to glycerine in the liquid nicotine formulation is between about 3:2 and about 9:1. An aerosol-generating system is also provided, including: the cartridge; and an aerosol-generating device including a housing defining a device cavity configured to receive at least a portion of the cartridge, and a heating element configured to heat the cartridge.

Cartridge for an aerosol-generating system containing a nicotine source comprising a liquid nicotine formulation

An inductive heating assembly is configured to inductively heat an aerosol-forming substrate to a pre-determined operating temperature, the heating assembly including an induction source configured to generate an alternating electromagnetic field; and a susceptor assembly configured to inductively heat the aerosol-forming substrate under influence of the alternating magnetic field generated by the induction source, the susceptor assembly including a first susceptor including a first susceptor material and a second susceptor including a second susceptor material having a Curie temperature at least 50 degrees Celsius below an operating temperature of the heating assembly. An aerosol-generating device and an aerosol-generating system include the inductive heating assembly.

Inductive heating assembly for inductive heating of an aerosol-forming substrate

There is provided an inductive heating assembly to inductively heat an aerosol-forming substrate to an operating temperature, the assembly including an induction source connected to a DC power supply to generate an alternating electromagnetic field to inductively heat a susceptor assembly including a first susceptor and a second susceptor having a Curie temperature below the operating temperature, and a controller operatively connected to the induction source and the DC power supply, to determine an actual apparent resistance of the susceptor assembly indicative of the actual temperature of the susceptor assembly, to determine a minimum value of the apparent resistance occurring during pre-heating of the susceptor assembly, and to control operation of the induction source such that the actual apparent resistance corresponds to the determined minimum value of the apparent resistance plus a pre-determined offset value of the apparent resistance to control heating of the substrate to the operating temperature.

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Lausanne, Switzerland

Irene Taurino