Abstract: A heater assembly for an aerosol-generating device is provided, including: an elongate heating chamber configured to heat an aerosol-forming substrate; and a heating element arranged around the elongate heating chamber, the elongate heating chamber having a first length and the heating element having a second length, the first length of the elongate heating chamber being greater than the second length of the heating element, such that there is a proximal distance between a proximal end of the elongate heating chamber and a proximal end of the heating element, and the proximal distance being between 0.1 millimeter and 4 millimeters. An aerosol-generating device including the heater assembly, and an aerosol-generating system including the aerosol-generating device and an aerosol-generating article, are also provided.

Abstract: A heating assembly for an aerosol-generating device is provided, the heating assembly including: a substrate layer that is an electrically isolating substrate layer; and a heating element arranged on a first portion of the substrate layer, the substrate layer including a second portion on which the heating element is not disposed, the substrate layer being rolled into a tubular shape, such that the first portion of the substrate layer is positioned as an inner layer, the second portion of the substrate layer being positioned as an outer layer surrounding the first portion of the substrate layer, and the heating element being arranged between the first portion of the substrate layer and the second portion of the substrate layer.

Abstract: A heater assembly for an aerosol-generating device is provided, including: a heating chamber configured to heat an aerosol-forming substrate; a heater casing arranged around the heating chamber, the heater casing being arranged radially distanced from the heating chamber; a first connecting wall and a second connecting wall; and an air-tight hollow space defined between the heating chamber, the heater casing, and the first and the second connecting walls, the air-tight hollow space being filled with a gaseous composition at ambient pressure, and a heating element being arranged at least partly around the heating chamber. An aerosol-generating device including the heater assembly, and an aerosol-generating system including the aerosol-generating device and the aerosol-forming substrate, are also provided.

Abstract: There is provided an aerosol generating article (2) comprising a combustible heat source (4) having an upstream portion and a downstream portion. The aerosol generating article further comprises an aerosol-forming substrate (10) downstream of the heat source (4) and a wrapper (36) circumscribing an upstream portion of the aerosol-forming substrate (10) and the downstream portion of the combustible heat source (4). The aerosol generating article (2) further comprises a non-combustible coating (42) provided on the upstream portion of the combustible heat source (4) and not on the downstream portion of the combustible heat source (4), the non-combustible coating having a thickness of between about 30 micrometres and about 250 micrometres.

Abstract: A shisha device configured to pierce a cartridge comprising aerosol-forming substrate. The shisha device is configured to prevent piercing of the cartridge until the cartridge is inserted into a receptacle of the device. Piercing of the cartridge may require a step separate from insertion of the cartridge into the receptacle of the shisha device. That is, the shisha device may be configured such that insertion of the cartridge into the receptacle of the device, without more, does not cause the cartridge to be pierced.

Abstract: There is provided a heated aerosol-generating article for producing an inhalable aerosol, the heated aerosol-generating article including: an aerosol-forming substrate that is a homogenized tobacco material including tobacco, a fat having a melting point between 20° C. and 50° C., and one or more aerosol-formers, the homogenized tobacco material containing at least 60% tobacco on a dry weight basis. A homogenized tobacco material is also provided.

Abstract: A kit comprising: an aerosol generating article (2) comprising a combustible heat source (4) and an aerosol-forming substrate (10); and a retainer (300) for the aerosol generating article, the retainer comprising: a tubular body (302) having a partially-closed first end (304a) and an open second end (304b), wherein the body defines a longitudinal passage (305) extending between the first end and the second end and wherein the body comprises: a first portion (307) proximate the first end comprising a plurality of openings (306); and a second portion (309) between the first portion and the second end, wherein the body is configured to at least partially receive the aerosol-generating article in the passage such that the first portion of the body surrounds the combustible heat source of the aerosol-generating article, wherein the first end and the first portion of the body are configured such that at least about 80 percent of the exposed surface area of the combustible heat source of the aerosol-generating artic

Abstract: There is provided an aerosol generating device for use with a heat source and an aerosol-forming substrate. The aerosol generating device comprises an elongate body extending between an upstream end and a downstream end, the elongate body having an upstream recess for receiving an aerosol-forming substrate and a heat source. The aerosol generating device further comprises an annular cutting edge disposed at the upstream end of the upstream recess. The aerosol generating device further comprises an ejection element disposed within the elongate body, the ejection element being movable between a first position and a second position, the ejection element extending further into the upstream recess in the second position than in the first position. There is further provided a pack for use with the aerosol generating device.

Abstract: There is provided an aerosol generating device for use with a heat source and an aerosol-forming substrate. The aerosol generating device comprises an elongate body having a longitudinal surface extending between an upstream end and a downstream end. The elongate body comprises an opening at the downstream end of the elongate body, and a cavity for receiving a heat source and an aerosol-forming substrate. The cavity is accessible through an aperture in the longitudinal surface of the elongate body. The upstream end of the cavity is closed and the downstream end of the cavity is in fluid communication with the opening. The aerosol generating device further comprises a closing member movable relative to the elongate body between an open position in which the aperture in open, and an experience position in which the aperture is closed by a first portion of the closing member. There is further provided an aerosol generating system comprising the aerosol generating device.

Abstract: The method for manufacturing an inductively heatable aerosol-forming substrate comprises the steps of providing a tobacco containing slurry, providing an inductively heatable continuous sheet-like material and joining the tobacco containing slurry and the inductively heatable continuous sheet-like material to form an inductively heatable aerosol-forming substrate. A further step comprises drying the inductively heatable aerosol-forming substrate while transporting the inductively heatable aerosol-forming substrate on a conveyor device.

Abstract: The invention relates to an aerosol-generating device comprising a cavity. The cavity is configured to receive an aerosol-generating article. The device comprises a first sealing element arranged along a sidewall of the cavity. The first sealing element is arranged at an upstream portion of the cavity. The device comprises a second sealing element. The second sealing element is arranged at a downstream portion of the sidewall of the cavity. The device further comprises a power supply and a heating element. The heating element is an external heating element.

Abstract: The invention relates to an aerosol-generating system comprising an aerosol-generating device and an aerosol-generating article comprising aerosol-forming substrate. The aerosol-generating device comprises a cavity. The cavity is configured to receive the aerosol-generating article comprising aerosol-forming substrate. The device further comprises a mouthpiece configured to close the cavity. The aerosol-generating device is configured such that a gap is provided between the mouthpiece and the aerosol-generating article when the aerosol-generating article is received in the cavity and the mouthpiece is closed.

Abstract: The method for manufacturing an inductively heatable aerosol-forming substrate comprises the steps of providing a tobacco containing slurry, providing an inductively heatable continuous sheet-like material and joining the tobacco containing slurry and the inductively heatable continuous sheet-like material to form an inductively heatable aerosol-forming substrate. A further step comprises drying the inductively heatable aerosol-forming substrate while transporting the inductively heatable aerosol-forming substrate on a conveyor device.

Abstract: The aerosol-generating device comprises a device housing (2), a mouthpiece (3) associated to the device housing, a receiving chamber (4) configured to receive from external to the device at least a portion of a sheet of aerosol-forming substrate in a non-rolled form and configured to accommodate a cylindrically shaped of aerosol-forming substrate and a holder (6) for holding the sheet of aerosol-forming substrate. The device further comprises a rolling device (7) for receiving a flat or non-rolled sheet of aerosol-forming substrate and for rolling the sheet of aerosol-forming substrate around the holder from the non-rolled form into a cylindrically shaped aerosol-forming substrate.

Abstract: The present invention relates to a method to produce a homogenized tobacco material for use in a heat-not-burn aerosol-generating article, comprising the steps of: selecting a first target value for a first tobacco characteristic, said first tobacco characteristic being reducing sugars and the first target value being comprised between about 8 percent and about 18 percent in dry weight basis of a total amount of tobacco present within the homogenized tobacco material; selecting a second target value of a second tobacco characteristic, wherein the second tobacco characteristic is one of total ammonia and total alkaloids; blending graded tobacco types so as to form the tobacco blend, each graded tobacco type comprising a predetermined amount of the first and second tobacco characteristics, so that the first and second target values of said first and second tobacco characteristics are obtained in said blend within a predetermined tolerance range; grinding said tobacco blend into a blended tobacco powder; form

Abstract: The invention relates to an aerosol-generating device (10) for receiving a mouthpiece (12). The aerosol-generating device comprises a detection element (20) for detecting a type of mouthpiece received by the aerosol-generating device, a controller (24) for controlling an operation parameter of the aerosol-generating device and a heating element configured to heat an aerosol-forming substrate of an aerosol-generating article (28) when the aerosol-generating article is received by the aerosol-generating device. The controller is configured to receive an input indicative of the type of mouthpiece detected by the detection element and configured to control the operation parameter of the aerosol-generating device on basis of the detected type of mouthpiece received by the aerosol-generating device. The operation parameter of the aerosol-generating device comprises a temperature profile of the heating element during heating.

Abstract: A mouthpiece for attachment to a hollow tubular filter portion of an aerosol-generating article is provided, the mouthpiece including: an inner tubular section having a minimum outer diameter, which is smaller than an inner diameter of the hollow tubular filter portion; an outer tubular section having a maximum inner diameter, which is larger than an outer diameter of the aerosol-generating article; a central airflow channel arranged along a longitudinal axis of the mouthpiece, the airflow channel including a Venturi portion, the Venturi portion including an inlet portion and an outlet portion, the inlet portion being configured to converge in a downstream direction and the outlet portion being configured to diverge in a downstream direction; and a hinge section configured to attach the mouthpiece to an aerosol-generating device. A system including the mouthpiece, and a method for attaching the mouthpiece to the hollow tubular filter portion are also provided.

Abstract: An aerosol-generating article is provided, including: a substrate portion containing aerosol-forming substrate; and a hollow tubular filter portion having an inner diameter of between 0.5 millimeters and 2 millimeters, and the aerosol-forming substrate including at least one aerosol-former selected from the group consisting of: polyhydric alcohols, esters of polyhydric alcohols, and aliphatic esters of mono-, di-, or polycarboxylic acids. A system for generating an aerosol is also provided, including an aerosol-generating device including a heating chamber and a heating element; and the aerosol-generating article, the aerosol-generating article being configured to be insertable into the heating chamber.

Abstract: The present invention relates to a heater assembly for an aerosol-generating device. The device comprises a heater shell, a support element and at least one heating element. The heater shell is configured to receive the heating element. The heater shell has an inner wall. The inner wall comprises a plurality of thermally insulating cavities. The heating element is arranged lining the inner wall of the heater shell. The heater shell is arranged within the support element.

Abstract: The present invention relates to method for production of a slurry for homogenized tobacco material, said method comprising: Selecting tobacco of one or more tobacco types; Coarse grinding said tobacco; Blending said tobacco of one or more tobacco types; and Fine grinding said tobacco of one or more tobacco types.