Philip Morris Products S.a.

Altria Client Services LLC

Ciposa S.a.

Jean-Marc Widmer

Oleg Mironov

Rui Nuno Batista

Ihar Nikolaevich Zinovik

Keethan Dasnavis Fernando

Jens Ulrik Poulsen

Patrick Charles Silvestrini

Guillaume Frederick

Guillame Frederick

Denes Kiss

A heater assembly for an aerosol-generating system is provided, the heater assembly including: a fluid-permeable heating element configured to vaporise a liquid aerosol-forming substrate; and a transport material configured to transport liquid aerosol-forming substrate to the fluid-permeable heating element, the transport material having a thickness defined between a first surface of the transport material and an opposing second surface of the transport material, the first surface being arranged in fluid communication with the fluid-permeable heating element and the second surface being arranged to receive liquid aerosol-forming substrate, the second surface of the transport material being provided with at least one hole that extends into the transport material to a depth corresponding to at least a part of the thickness of the transport material to define a formed fluid channel for the liquid aerosol-forming substrate, and the first surface of the transport material being convex.

Heater assembly with pierced transport material

A cartridge for an aerosol-generating system is provided, the cartridge including: a liquid storage portion including a housing to contain a liquid aerosol-forming substrate; and a heater assembly including an electrically insulating element having an opening, an electrical heating element supported by the insulating element and to heat the substrate to form an aerosol, first and second electrically conductive contact portions disposed at opposite sides of the opening and to contact with a battery to supply power to the heater assembly, and a capillary material including a ceramic or a ceramic-based material and having first and second faces, the first face being in physical contact with the heating element and the second face being opposite the first face, the capillary material to convey the substrate to the heating element by capillary action, the heater assembly being fixed to the housing of the liquid storage portion.

Cartridge for an aerosol-generating system

A cartridge for an aerosol-generating system is provided, the cartridge including: a liquid storage portion including a housing with a first opening, to contain a liquid aerosol-forming substrate; and a heater assembly including an electrically insulating support having a second opening, an electrical heating element supported by the insulating support and to heat the substrate to form an aerosol, and first and second electrically conductive contact portions disposed at opposite sides of the second opening and to connect to electrical connectors of a battery to supply power to the heater assembly, and a capillary material having first and second faces, the first face being in physical contact with the heating element and the second face being opposite the first face, the capillary material to convey the substrate to the heating element by capillary action, the heater assembly being connected to the housing of the liquid storage portion.

A method for manufacturing a fluid permeable heater assembly includes providing a heating element, and over-molding a cap on edge areas of one side of the heating element. The cap includes a hollow body having a first cap opening and a second cap opening. The first cap opening is opposite to the second cap opening, and the heating element is mounted on the cap such that the heating element extends across the first cap opening.

Manufacturing a fluid permeable heater assembly with cap

A heater assembly for an aerosol-generating system is provided, including: a fluid-permeable heating element to vaporise a liquid aerosol-forming substrate; and a transport material to transport the substrate to the heating element and having a thickness defined between a first surface and an opposing second surface thereof, the first surface being in fluid communication with the element and the second surface being arranged to receive the substrate and provided with at least one hole extending into the material to a depth corresponding to at least a part of the thickness to define a formed fluid channel for the substrate, the material including a capillary material having elongate fibres, an average direction of the fibres is substantially parallel to the first and second surfaces, and the hole extends substantially perpendicular to the average direction. A method of manufacturing a heater assembly, a cartridge, and an aerosol-generating system are also provided.

A cartridge for an aerosol-generating system is provided, including a liquid storage portion including a housing containing a liquid aerosol-forming substrate, the housing having an open end; and a heater assembly including: an electrical heating element configured to heat the substrate to form an aerosol, the heating element including a planar filament arrangement having one or more electrically conductive filaments, an electrically insulating substrate having a planar attachment face, the filament arrangement disposed on the planar attachment face, and clamping elements mechanically fixing the filament arrangement to the electrically insulating substrate and applying a pulling force onto the filament arrangement, at least a portion of the heater assembly being fluid-permeable, and the heater assembly being arranged over the open end of the housing.

Fluid permeable heater assembly for an aerosol-generating system and method for assembling a fluid permeable heater for an aerosol-generating system

A fluid permeable heater assembly for an aerosol-generating system includes a cap and a substantially flat electrically conductive and fluid permeable heating element. The cap includes a hollow body with a first cap opening and a second cap opening. The first cap opening is opposite to the second cap opening. The heating element is configured to vaporise aerosol-forming substrate. The heating element is mounted on the cap, such that the heating element extends across the first cap opening. A cartridge for an aerosol-generating system includes the heater assembly, a liquid storage portion, a mouth piece, and a retainer.

Fluid permeable heater assembly with cap

A cartridge for an aerosol-generating system is provided, including a liquid storage portion including a housing containing a liquid aerosol-forming substrate, the housing having an open end; and a heater assembly including: an electrical heating element configured to heat the substrate to form an aerosol, the heating element including a planar filament arrangement having one or more electrically conductive filaments, an electrically insulating substrate having a planar attachment face, the filament arrangement disposed on the planar attachment face, and connectors arranged at opposite ends of the heating element and forming two separate electrical contacts configured to apply power to the filament arrangement, at least a portion of the heater assembly is fluid-permeable, and the heater assembly is arranged over the open end of the housing.

A fluid permeable healer assembly for aerosol-generating systems comprises a substrate () comprising an opening () through the substrate, an electrically conductive substantially flat filament arrangement () arranged over the opening, and clamping means () mechanically fixing the filament arrangement to the substrate. The clamping means are electrically conductive and serve as electrical contacts for providing a heating current through the filament arrangement. The invention also relates to a method for assembling a fluid permeable heater.

A fluid permeable heater assembly for an aerosol-generating system includes a cap and a substantially flat electrically conductive and fluid permeable heating element. The cap includes a hollow body with a first cap opening and a second cap opening. The first cap opening is opposite to the second cap opening. The heating element is configured to vaporize aerosol-forming substrate. The heating element is mounted on the cap, such that the heating element extends across the first cap opening. A cartridge for an aerosol-generating system includes the heater assembly, a liquid storage portion, a mouth piece, and a retainer.

A cartridge for an aerosol-generating system is provided, the cartridge including: a liquid storage portion including a housing containing a liquid aerosol-forming substrate; a heater assembly including an electrical heating element configured to heat the liquid aerosol-forming substrate to form an aerosol; and a capillary material disposed in contact with the electrical heating element and including a ceramic or a ceramic-based material, the capillary material being configured to convey the liquid aerosol-forming substrate to the electrical heating element, the electrical heating element being supported by a support element having an opening, and the heater assembly further includes first and second electrically conductive contact portions disposed at opposite sides of the opening and being configured to contact with an external electrical power supply. An aerosol-generating system including the cartridge is also provided.

A cartridge for an aerosol-generating system is provided, including: a liquid storage portion including a housing containing a liquid aerosol-forming substrate, the housing having an open end; and a fluid-permeable heater assembly including: an electrical heating element configured to heat the liquid aerosol-forming substrate to form an aerosol, the electrical heating element including a planar filament arrangement having one or more electrically conductive filaments, an electrically insulating substrate including a ceramic material and having a planar attachment face, the filament arrangement disposed in contact with the planar attachment face, and connectors arranged at opposite ends of the electrical heating element and forming two separate electrical contacts configured to apply power to the filament arrangement, the fluid-permeable heater assembly being arranged over the open end of the housing.

Fluid permeable heater assembly for an aerosol generating system and method for assembling a fluid permeable heater for an aerosol generating system

There is provided a cartridge for an aerosol-generating system, including a housing configured to hold an aerosol-forming substrate and having an opening; and a heater assembly including at least one heater element fixed to the housing and extending across the opening of the housing, wherein the at least one heater element defines a plurality of apertures configured to allow fluid to pass through the at least one heater element, and wherein apertures of the plurality of apertures have different sizes. There is also provided an aerosol-generating system, including an aerosol-generating device and the cartridge. And, there is provided a method of manufacturing a cartridge for an aerosol-generating system.

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Lignieres, Switzerland

Jean-Marc Widmer