Abstract: An aerosol-generating device is provided, including: a housing having a main portion and a lid portion, the lid portion being hingedly connected to the main portion; a mouthpiece disposed on the lid portion, the mouthpiece being configured to be moveable between a first position, in which the mouthpiece is retracted into the housing, and a second position, in which the mouthpiece protrudes from the lid portion; and a spring-loaded mechanism configured to move the mouthpiece from the first position into the second position.

Abstract: An aerosol-generating device is provided, including: an external housing; a tubular heater; top and bottom heater casings, the heater being enclosed within the top and bottom heater casings; an internal airflow channel through the device extending from an air inlet in the external housing to an air outlet in the external housing, the channel passing through the top and bottom casings and the heater; a first sealing element between the external housing and the bottom casing; a second sealing element between the external housing and the top casing; a third sealing element between the bottom and the top casings; a heater holder positioned between the heater and the bottom casing, the channel passing through the heater holder; and a fourth sealing element positioned between the heater holder and the bottom casing, the heater being press fit directly to the top casing.

Abstract: A heating assembly for an aerosol-generating device, the heating assembly including: a first substrate layer, the first substrate layer being an electrically isolating substrate layer; a heating element arranged on the first substrate layer; a second substrate layer, the second substrate layer being an electrically isolating substrate layer and being arranged covering the heating element and the first substrate layer; a temperature sensor arranged on the second substrate layer; and a third substrate layer, the third substrate layer being an electrically isolating substrate layer and being arranged at least partly covering the temperature sensor and covering the second substrate layer, and all three of the first substrate layer, the second substrate layer, and the third substrate layer including a side extension at a short edge of the respective substrate layer. An aerosol-generating device including the heating assembly, and a method for manufacturing the heating assembly are also provided.

Abstract: An aerosol-generating device is provided, including: a cavity configured to receive an aerosol-generating article; at least one heating element; and a plurality of projections extending from an internal surface of the cavity, each projection having a truncated hemispherical shape. An aerosol-generating system, including the aerosol-generating device and an aerosol-generating article, is also provided.

Abstract: A method of controlling aerosol production in an aerosol-generating device is provided, the device including a heating chamber to receive an aerosol-generating article including an aerosol-forming substrate, a heater including a heating element to externally heat the substrate, and a power source to provide power to the heating element; and the method including: controlling the power provided such that in an initial period a temperature of the heating element increases from an initial to a first temperature between 230° C.-270° C., drops in a second period to a second temperature below the first, and increases in a third period to a third temperature higher than the second, and the device generating the aerosol during a usage session, dividing the session into n sequential time intervals, and limiting the power during any or each of intervals such that a threshold energy for that interval is not exceeded.

Abstract: An aerosol-generating device for generating an aerosol from an aerosol-forming substrate during a usage session is provided, the device including: a timer; a heater assembly including a heater element to heat the substrate; a power supply to supply power to the heater assembly; and a controller, at least a portion of the usage session being divided into n sequential time intervals, the controller limiting power supplied to the heater assembly during any or each of the n sequential time intervals such that a threshold energy for that time interval is not exceeded, the controller monitoring a cumulative amount of energy supplied from the start of an nth sequential time interval, and limiting power supplied to the heater assembly until an end of the nth sequential time interval if the cumulative amount of energy supplied from the start of the nth time interval equals the threshold energy for that time interval.

Abstract: A heater assembly for an aerosol-generating device is provided, including: a heating chamber configured to heat an aerosol-forming substrate; and a heater casing arranged around the heating chamber, the heater casing being arranged radially distanced from the heating chamber, the heater casing including an air-tight space, and the air-tight space including a microporous insulating material. An aerosol-generating device including the heater assembly, and an aerosol-generating system including the aerosol-generating device and an aerosol-forming substrate, is also provided.

Abstract: An aerosol-generating device for generating aerosol from an aerosol-forming substrate is provided, the device including: a housing defining a cavity configured to at least partially receive the substrate; and a sensing assembly including an emitter configured to emit electromagnetic radiation into the cavity, a receiver configured to receive electromagnetic radiation from the cavity, the receiver including a sensor configured to measure at least one wavelength of the received radiation, and a shield extern to the cavity such that the receiver is between the shield and the cavity, the shield being configured to block electromagnetic radiation, first and second portions of the shield being planar, the first and the second portions being non-co-planar, an angle between a normal of respective planes of the first and the second portions being substantially the same as an angle between the receiver and the emitter, and the receiver and the emitter being non-parallel.

Abstract: An aerosol-generating device is provided, including a cavity configured to receive an aerosol-generating article including aerosol-forming substrate; a heating element disposed at least partly surrounding the cavity; and a stopper having a circular cross-section in a plane parallel to a longitudinal axis of the cavity and perpendicular to a longitudinal axis of the stopper, the stopper being disposed at a distal portion of the cavity and being configured to stop the article when the article contacts the stopper, the stopper being arranged transversally spanning a distal portion of the cavity and such that air can flow from distal of the stopper around the stopper into the cavity, the terms proximal and distal referring to relative positions of components, or portions of components, of the device in relation to a direction in which the components of the device are oriented relative to a user during use of the device.

Abstract: An aerosol-generating device is provided, including: a housing having a main portion and a lid portion, the lid portion being hingedly connected to the main portion; a mouthpiece disposed on the lid portion, the mouthpiece being configured to be moveable between a first position, in which the mouthpiece is retracted into the housing, and a second position, in which the mouthpiece protrudes from the lid portion; and a spring-loaded mechanism configured to move the mouthpiece from the first position into the second position.

Abstract: A heater assembly for an aerosol-generating device is provided, the heater assembly including: a first heater casing including an air inlet; a second heater casing including an aerosol outlet; and a heating chamber configured to heat an aerosol-forming substrate, the heating chamber being in fluid communication with both the air inlet and the aerosol outlet and being configured to define an airflow pathway through the heater assembly; a heater mount, the heating chamber being mounted on the heater mount; and a seal configured to seal the airflow pathway, the seal being mounted on the heater mount such that the seal is spaced apart from the heating chamber, and the seal being mounted on a first end of the heater mount and the heating chamber is mounted on a second end of the heater mount, the second end being axially opposite the first end.

Abstract: An aerosol-generating device for generating an aerosol from an aerosol-forming substrate is provided, the device including: a device housing defining a chamber configured to receive the substrate; an airflow channel extending from an air inlet in the device housing and through, or in fluid communication with, the chamber; and a puff sensor assembly including a heat transfer element and a temperature sensor in contact with the heat transfer element, a first portion of the airflow channel being at least partially defined by an airflow channel wall and a second portion of the airflow channel being at least partially defined by the heat transfer element, the second portion being adjacent to the first portion and outside of the chamber, and at least one of thermal conductivity or thermal diffusivity of the heat transfer element being greater than a respective thermal conductivity or thermal diffusivity of the airflow channel wall.

Abstract: An aerosol-generating device is provided, including: a cavity including a downstream opening for receiving an article and an upstream opening; a movable downstream cover to cover the downstream opening; a movable upstream cover to cover the upstream opening; a cover moving element for one or more of: opening of the upstream cover upon one or both of opening of the downstream cover or insertion of the article into the cavity, closing of the upstream cover upon one or both of closing of the downstream cover or removal of the article, opening of the downstream cover upon one or both of opening of the upstream cover or insertion of the article, and closing of the downstream cover upon one or both of closing of the upstream cover or removal of the article; and an upstream end face including the upstream opening and being slidable over the upstream end face.

Abstract: An aerosol-generating device is provided, including: a cavity configured to receive an aerosol-generating article including an aerosol-forming substrate, the aerosol-forming substrate being a solid aerosol-forming substrate; and a flexible membrane arranged at an upstream end of the cavity, the flexible membrane including an opening in fluid communication with the cavity, the flexible membrane being provided at an upstream end of the aerosol-generating device, the opening being configured to serve as an air inlet for the aerosol-generating device, at least two openings being formed in the flexible membrane, the at least two openings including slits that intersect, and the at least two intersecting slits forming a central portion. A kit, an aerosol-generating system, and a method of cleaning the aerosol-generating device are 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: 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: 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 invention relates to an aerosol-generating device comprising a mainbody (10) and a mouthpiece (12). The main body comprises a heating chamber (14) for receiving an aerosol-forming substrate. The mouthpiece is movably connected to the main body. The mouthpiece is configured movable with respect to the main body in a first movement between a first position and a second position. The first position is an operation position of the aero sol-generating device. In the second position, the heating chamber is at least partially exposed. The mouthpiece is configured movable with respect to the main body in a second movement between the second position and a third position. The second movement of the mouthpiece from the second position to the third position is configured to trigger an event.