Abstract: An aerosol-generating device is provided, including: an outer housing; a heater configured to heat an aerosol-forming substrate; and a plurality of layers of thermal insulation arranged around at least a part of the heater, the plurality of layers of thermal insulation including a first thermal insulation layer, a second thermal insulation layer, a radiation reflector layer being arranged between the first and the second thermal insulation layers, and a heat spreader layer including the outer housing of the aerosol-generating device. An aerosol-generating system is also provided, including the aerosol-generating device and an aerosol-generating article including an aerosol-generating substrate.

Abstract: A cartridge for a stick-shaped aerosol-generating article is provided, the article being for an inductively heating aerosol-generating device, the cartridge including: a vaporization chamber at a distal end portion of the cartridge; a reservoir chamber proximal the vaporization chamber; a liquid-conveying susceptor arrangement to convey the liquid from the reservoir chamber into the vaporization chamber and to be inductively heated with the device to vaporize the liquid; a vapor-conveying conduit providing fluid communication for vaporized liquid to a region proximal the reservoir chamber, a proximal end portion of the conduit passing through, ending integrally in, or supported in a through hole of a proximal end wall of the reservoir chamber; a distal end cap forming a distal wall of the vaporization chamber; a proximal end cap forming the proximal end wall; and a cartridge sleeve forming a circumferential outer side wall of the vaporization chamber and of the reservoir chamber.

Abstract: A stick-shaped aerosol-generating article for an inductively heating aerosol-generating device is provided, the article including: a mouthpiece; a cartridge including a vaporization chamber at a distal end portion of the cartridge to vaporize aerosol-forming liquid therein, the chamber including an air inlet, a reservoir chamber proximal the vaporization chamber to store aerosol-forming liquid, a liquid-conveying susceptor arrangement to convey aerosol-forming liquid from the reservoir chamber into the vaporization chamber and to be inductively heated with the device in order to vaporize liquid within the vaporization chamber, a vapor-conveying conduit providing a fluid communication for vaporized liquid from the vaporization chamber to a region proximal the reservoir chamber, such that apart from the air inlet and the fluid communication, the vaporization chamber is fully enclosed by wall members; and a first wrapper circumferentially wrapped around the vaporization chamber and the reservoir chamber, and aro

Abstract: An aerosol-generating article for producing an inhalable aerosol upon heating is provided, the aerosol-generating article including: a paper wrapper wrapped around at least a portion of the aerosol-generating article, the paper wrapper comprising an embossed portion having an inner surface, which is water-resistant, the embossed portion of the wrapper having a basis weight of from 50 grams per square meter to 100 grams per square meter.

Abstract: An aerosol-generating article is provided, including: a rod of aerosol-generating substrate having a length from 8 to 16 mm, the substrate including a shredded tobacco material having an average density from 150 to 500 mg/cm3 and being in a form of cut filler or a shredded sheet of homogenised tobacco material; a downstream section downstream of the rod and including at least one hollow tubular element abutting a downstream end of the rod; an upstream element provided upstream of the rod and abutting an upstream end of the rod, an upstream end of the upstream element defining an upstream end of the article; and a ventilation zone at a location along the hollow tubular element and being configured to admit ambient air into a lumen of the hollow tubular element, a distance between the ventilation zone and the upstream end of the upstream element being from 26 to 33 mm.

Abstract: A cartridge for use in an aerosol-generating system, the cartridge comprising: a first compartment having a first air inlet and a first air outlet, the first compartment containing a nicotine source; and a second compartment having a second air inlet and a second air outlet, the second compartment containing an acid source; wherein the first compartment comprises a first air flow channel extending from the first air inlet, or the first air outlet, longitudinally along at least a portion of the first compartment, wherein the first air flow channel is adjacent to and in fluid communication with the nicotine source; or wherein the second compartment comprises a second air flow channel extending from the second air inlet, or the second air outlet, longitudinally along at least a portion of the second compartment, wherein the second air flow channel is adjacent to and in fluid communication with the acid source; or wherein the first compartment comprises a first air flow channel extending from the first air inlet,

Abstract: A reclosable cartridge assembly (10) for use in an aerosol-generating system comprises: a cartridge (12) extending longitudinally between end walls (22, 26); a housing (30, 32) enclosing the cartridge (12) and comprising: an upstream portion with an end wall (22) comprising an opening (42); and a downstream housing portion (32) with an end wall comprising an opening (44). One of the housing portions (30, 32) is rotatably fitted onto the cartridge (12). One of the cartridge end walls (22, 26) comprises a rupturable portion (38, 40) separable from the remainder of the end wall to expose an opening (42, 44) in the end wall. The rotatable housing portion (30, 32) is adapted to engage the rupturable portion (38, 40) such that, upon rotation from a storage position to a dispensing position, the housing portion (30, 32) breaks off the rupturable portion (38, 40) and exposes the opening (42, 44) in the end wall.

Abstract: A cartridge for an electrically heatable aerosol-generating system is provided, the system including an aerosol-generating device, the cartridge configured to be used with the device, the device including a device housing defining a cavity to receive the cartridge, an inductor coil around or adjacent to the cavity, and a power supply connected to the coil and to provide a high-frequency oscillating current; the cartridge including: a cartridge housing to engage the device housing and containing an aerosol-forming substrate, the cartridge housing having an external surface, at least part of which is formed by a fluid permeable susceptor element that is electrically isolated from any other electrically conductive components; a first capillary material in the cartridge housing in contact with the susceptor element; and a second capillary material in the cartridge housing in contact with the first material, the first material having a higher thermal decomposition temperature than the second material.

Abstract: A cartridge (1) for an aerosol generating device, comprising a first cavity (13) containing a nicotine source and a second cavity (14) containing a lactic acid source, the first cavity and the second cavity defining an inner space between the cavities and an outer periphery of the cavities; and a susceptor comprising one or more susceptor elements, wherein the susceptor is arranged such that the susceptor is partly positioned in the inner space (16) between the cavities, and partly positioned in the outer periphery of the cavities, the outer periphery of the cavities being a space between the cavity walls and the cartridge walls.

Abstract: A method of producing a liquid tobacco extract is provided, the method including the steps of: preparing a tobacco material; heating the tobacco material at an extraction temperature of between 100 degrees Celsius and 160 degrees Celsius for at least 15 minutes, the tobacco material being heated directly; collecting volatile compounds released from the tobacco material during the heating step; and forming a liquid tobacco extract including the collected volatile compounds, the tobacco material being microwave heated during at least one step of the method. A liquid tobacco extract produced by the method is also provided.

Abstract: An aerosol-generating device is provided, including: a heater casing housing a heating chamber, the heating chamber configured to receive an aerosol-generating article including an aerosol-forming substrate; an air-flow tube configured to provide air to the heating chamber; and a controller configured to control operation of the aerosol-generating device, in which the heater casing, the air-flow tube, and the control element are mounted to one another and form a self-supporting component of the aerosol-generating device. A self-supporting component for an aerosol-generating device, and an aerosol-generating system including the aerosol-generating device and an aerosol-generating article, is also provided.

Abstract: An aerosol-generating article for producing an inhalable aerosol upon heating is provided, the aerosol-generating article including: a rod of aerosol-generating substrate including an aerosol former content of at least about 5 percent on a dry weight basis; and a wrapper wrapped around at least a portion of the aerosol-generating article, the wrapper including an embossed portion circumscribing at least the rod of aerosol-generating substrate, the embossed portion of the wrapper circumscribing the rod of aerosol-generating substrate along at least 80 percent of a length of the rod.

Abstract: An aerosol generating system includes an aerosol generating device (100), a first module (201), and a second module (202). The aerosol generating device comprises a housing (110). The first module is operably couplable to the housing of the aerosol generating device. The second module is operably couplable to the first module or to the housing of the aerosol generating device.

Abstract: An aerosol-generating article extending from a mouth end to a distal end is provided, including: an aerosol-generating element; and a downstream section located downstream of the aerosol-generating element, the downstream section extending from a downstream end of the aerosol-generating element to the mouth end of the aerosol-generating article, a resistance to draw (RTD) of the downstream section being less than 10 mm H2O, between about 5 percent and about 35 percent of a length of the downstream section includes a first section defining a first empty region for air to flow, at least about 65 percent of the length of the downstream section further includes a second section defining a second empty region for air to flow, and a total cross-sectional area of the first empty region defined by the first section being less than a total cross-sectional area of the second empty region defined by the second section.

Abstract: A reusable aerosol-generating article configured to be received into a cavity of an aerosol-generating device is provided, the reusable aerosol-generating article including: a housing including a compartment configured to receive an aerosol-forming substrate and an air-flow tube arranged downstream of the compartment, at least parts of the housing being pivotable about a hinge and configured to provide access to the compartment and the air-flow tube. An aerosol-generating system, including an aerosol-generating device including a cavity, and the reusable aerosol-generating article, is also provided.

Abstract: There is described an aerosol-forming substrate for use in combination with an inductive heating device. The aerosol-forming substrate comprises a solid material capable of releasing volatile compounds that can form an aerosol upon heating of the aerosol-forming substrate and at least a first susceptor material for heating of the aerosol-forming substrate. The first susceptor material is arranged in thermal proximity of the solid material. The aerosol-forming substrate further comprises at least a second susceptor material having a second Curie-temperature which is lower than a predefined maximum heating temperature of the first susceptor material. There is also described an aerosol-delivery system.

Abstract: There is provided a cartridge assembly (10) for use in an aerosol-generating system, the cartridge assembly comprising: a cartridge (12) comprising at least a first compartment (18) extending along a longitudinal axis, the first compartment comprising an aerosol-generating compound and being sealed at a first end by a first frangible barrier (22) extending in respective planes transverse to the longitudinal axis; and at least a first piercing member (38) configured to rupture the first frangible barrier (22). The first piercing member (38) comprises: a first piercing body (40) having a cross-sectional surface area at least about 40 percent of a cross-sectional area of the at least one compartment (19); and a first channel (381, 382) extending parallel to the longitudinal axis of the cartridge through the first piercing body (40), the first channel (381, 382) having an inlet and an outlet.

Abstract: A susceptor assembly for inductively heating an aerosol-forming substrate is provided, the susceptor assembly including a multi-layer susceptor tube defining a cavity configured to receive an induction coil inside the multi-layer susceptor tube, the multi-layer susceptor tube includes an inner tubular layer, which includes a first electrically conductive material, and an outer tubular layer surrounding the inner tubular layer, which includes a second electrically conductive material, and an electrical resistivity of the first electrically conductive material is greater than an electrical resistivity of the second electrically conductive material. An inductive heating assembly for inductively heating an aerosol-forming substrate, an aerosol-generating article for an aerosol-generating device, and an aerosol-generating system are also provided.

Abstract: A capsule for use in a smoking article includes a liquid sensory enhancing material; and a shell surrounding the liquid sensory enhancing material. The shell has an outer surface rendered hydrophobic by hydrophobic groups covalently bond to the outer surface of the shell. The shell may be rendered hydrophobic by reacting hydroxyl groups at outer surface of the shell with fatty acid halides to covalently attach fatty acid moieties to the surface of the capsule.

Abstract: An aerosol-forming substrate for an aerosol-generating system is provided, the aerosol-forming substrate including: one or more aerosol formers, the aerosol-forming substrate having an aerosol former content of greater than 30 percent by weight; hydroxypropylmethyl cellulose; and one or more cellulose based strengthening agents including cellulose powder, the aerosol-forming substrate having a cellulose powder content of between about 0.5 percent by weight and about 50 percent by weight.