Imperial Tobacco Patente

A consumable (100, 200) for an aerosol generating apparatus (202), the consumable (100, 200) comprising: an aerosol precursor comprising a substrate (104, 204), the substrate (104, 204) having an upstream end face (104a, 204a) and a downstream end face (104b, 204b); a conductive membrane (106, 206), the conductive membrane (106, 206) covering at least a portion of the upstream end face (104a, 204a) of the substrate (104, 204); and, an elongate conductive element (108, 208) in thermal contact with the substrate (104, 204) and the conductive membrane (106, 206), the elongate conductive element (108, 208) extending from the conductive membrane (106, 206) towards the downstream end face (104b, 204b) of the substrate (104, 204).

A consumable (100, 200, 300) for an aerosol generating apparatus (202), the consumable (100, 200, 300) comprising an aerosol precursor comprising a substrate (104, 204), an outer conductive element (106, 206) extending around a consumable axis and encasing the substrate (104, 204), and an inner conductive element (108, 208) located within the substrate (104, 204), wherein the outer conductive element (106, 206) and the inner conductive element (108, 208) are each configured to heat the substrate (104, 204).

There is provided an aerosol-generating system, including: an aerosol-generating unit operable to generate aerosol from an aerosol-forming material in a storage portion; an air inlet, a mouth end, and an air passageway extending therebetween via a region in proximity to the aerosol-generating unit; wherein the mouth end includes a filter receptacle and a filter received into the filter receptacle; wherein the filter has a first portion defining a first end of the filter and a second portion defining a second end of the filter; wherein either portion of the filter is receivable into the filter receptacle so that the other portion is exposed from the filter receptacle for delivery of generated aerosol to a user via the exposed end.

An aerosol-generating device for use with aerosol-generating articles of first and second types (30a,b). The device comprises an engagement portion (11) configured to engage an aerosol-generating article having an airflow inlet (16), an airflow sensor (22) arranged to sense a characteristic of an airflow upstream of the airflow inlet of an article when engaged with the device, and a controller (33) operatively connected to the airflow sensor. The controller is configured to identify whether the article engaged with the engagement portion is an article of the first type or an article of the second type based on the sensed characteristic of the airflow.

The present disclosure relates to an aerosol-generating device having a main body and a mouthpiece body, the mouthpiece body comprising a lip-engaging portion and an article-receiving portion, the article-receiving portion having a cavity configured to receive an article comprising aerosol-forming material, wherein the mouthpiece body is moveable with respect to the main body so as to provide a first retracted position wherein the article-receiving portion is located within the main body and the lip-engaging portion extend from the main body, and an extended position wherein the cavity is exposed, such that an article may be inserted or removed.

The present disclosure relates to an aerosol-generating system comprising a device body, an article comprising aerosol-forming material, and a mouthpiece, the mouthpiece having a lip-engaging portion formed of fibrous material, wherein the mouthpiece is moveable relative to an outer housing of the body so as to provide an active position wherein the lip-engaging portion extends from the body and a retracted position wherein the lip-engaging portion is housed within the body.

This disclosure refers to an electrical circuitry (25) which is configured to implement pulse-width-modulation by switching the voltage supplied to the aerosol-generating unit (2) between a lower AGU voltage level and a higher AGU voltage level, wherein the electrical circuitry (25) includes a first switching element (50) configured to switch the voltage supplied to the aerosol-generating unit (2) between the lower AGU voltage level and the higher AGU voltage level depending on a control voltage, and a control circuit (25a) for generating the control voltage to be supplied to the first switching element (50), wherein the control circuit (25a) is configured, based on a switching signal of the pulse-width-modulation and/or frequency modulation, to switch between generating: a first control voltage and a second control voltage, and wherein the control circuit (25a) is further configured to change the first control voltage so as to modify the lower AGU voltage level.

The present invention relates to a smokeless article for oral delivery comprising a pouch enclosing a content, comprising a filler, a nicotinic compound, and a plant material, wherein the plant material comprises a hydrophobic coating. Also described are a method of manufacturing the article and a kit comprising the article.

The present invention relates to a smokeless article for oral delivery (10) comprising a pouch (12) enclosing a content (14), wherein the content contains a component which renders the content hydrophobic, and the pouch comprises a nicotinic compound. A method for manufacturing smokeless articles (10) and a kit comprising smokeless articles (10) is also described. Use of a hydrophobic content to restrict transfer of a nicotinic compound from a pouch (12) of a pouched smokeless article for oral delivery (10) to a content (14) enclosed by the pouch.

An aerosol generating system (1) is described. The system includes a device housing (50), wherein the device housing (50) is elongate along a housing longitudinal axis. An airflow path is located between an airflow inlet (6) and an airflow outlet. An airflow lock (60) is located along the airflow path. The airflow lock (60) includes a button (70) to selectively open the airflow path in a unlocked configuration and close the airflow path in a locked configuration. The button (70) is rotationally connected to the housing (50) to be rotatable about the housing longitudinal axis. The button (70) is rotationally biased about the housing longitudinal axis. A secure method of locking and unlocking the system is thereby provided.

A smokeless article (10) for oral delivery, the article comprising a pouch (12), wherein the pouch encloses a pouch content (14). A method of preparation of a smokeless article (10) and a kit comprising smokeless articles (10) is also described.

A smokeless article (10) for oral delivery, the article comprising a pouch (12), wherein the pouch encloses a pouch content (14). A method of preparation of a smokeless article (10) and a kit comprising smokeless articles (10) is also described.

There is provided an aerosol generating apparatus, including: a precursor chamber for receiving an aerosol precursor; an IR heating system configured to emit IR radiation across a total range of wavenumbers; wherein the aerosol generating apparatus is operable by a user to initiate an aerosol session over which to generate aerosol from the aerosol precursor using the IR heating system; and wherein during the aerosol session, the IR heating system is configured to increase, relative to the total radiant power output by the IR heating system, radiant power of IR radiation emitted across a target range of wavenumbers contained in the total range of wavenumbers to increase consistency of the aerosol generated over the aerosol session.

The present disclosure relates to an aerosol-forming article (e.g. a heat-not-burn (HNB) consumable) comprising an aerosol-forming substrate and a plurality of filter elements. At least two of the filter elements have different hardness from one another.

There is provided a communication method performed by an aerosol generating apparatus, the method comprising: establishing a communication connection with an external device, and after establishing the communication connection: receiving a data packet from the external device, wherein the data packet contains: m bytes providing a message authentication code, where m is an integer; r bytes providing a packet-specific random number, where r is an integer; and e bytes providing a payload, where e is an integer; and verifying the message authentication code using the r bytes and the e bytes.

There is provided an aerosol-generating system, the aerosol-generating system having an aerosol locked mode and an aerosol unlocked mode, the aerosol-generating system further having a comms enabled state and a comms disabled state, wherein the aerosol-generating system includes: an aerosol-generating unit for generating aerosol from an aerosol precursor when the aerosol-generating system is in said aerosol unlocked mode, and configured to not generate aerosol when the aerosol-generating system is in said aerosol locked mode; a communication interface configured to be enabled to establish a wireless connection with an external device when the aerosol-generating system is in said comms enabled state, and configured to be disabled when the aerosol-generating system is in said comms disabled state; a controller configured to: cause the aerosol-generating system to transition from the comms disabled state to the comms enabled state in response to detection of a user action involving the aerosol generating device; if the communication interface establishes a wireless connection with the external device, cause the aerosol-generating system to switch from the locked mode to the unlocked mode based on the wireless connection, and cause the aerosol-generating system to transition from the comms enabled state to the comms disabled state.

A smokeless article for oral delivery of a nicotinic component. The smokeless article comprises a first compartment and a second compartment, which enclose a first content and second content, respectively. The first and second content are prevented from passing between compartments by a barrier. The pH of the first content is different to the pH of the second content, and one of the contents comprise a nicotinic component. A method of manufacturing a smokeless article

An aerosol delivery system has a fluid transfer article with a first region for holding an aerosol precursor, and a wick which extends from the reservoir and makes abutting unbonded contact with a heating region of a heater of the aerosol-delivery system. There may be a seal closing the reservoir, with the wick extending through the seal so that aerosol precursor may pass from the reservoir through the wick to the heating surface. When the heater is active, that aerosol precursor will be heated to form an aerosol or vapour. When the user sucks or inhales through the aerosol delivery system, air flows through the air-flow pathway across the heating surface of the heater, so that aerosol passes from the heater and/or wick to the user in the air-flow. The heating region of the heater is flexible and therefore deforms due to the contact between itself and the wick ensuring good contact therebetween. The fluid-transfer article and the heater are separable, to allow the fluid-transfer article to be replaced.

A smokeless article for oral delivery of a nicotinic component. The smokeless article comprises a water-permeable pouch having two or more compartments including a first compartment and a second compartment each containing a content, each compartment, or each content, comprising at least one of a nicotinic component and a flavouring. The format of the content contained in the first compartment is different to the format contained in the second component. Also disclosed is a method of manufacturing a smokeless article, a kit comprising a plurality of smokeless articles, and a use of a smokeless article.

There is provided a handshake process, performed by an aerosol generating apparatus, the handshake process including: sending first information to the external device; receiving from the external device second information in response to the first information; determining whether the second information is valid or invalid by determining whether the second information is derived from the first information using shared knowledge that is shared by the aerosol generating apparatus and the external device; if the second information is determined to be valid, allowing communication with the external device to continue; if the second information is determined to be invalid, performing at least one action to disrupt communication with the external device.

Disclosed is a smoking substitute system having a device comprising a controller configured to receive a command to enter a safety mode and, in response, disable at least one function of the device.

A heat not burn device is described. The heat not burn device is configured to control the operation of the heat not burn device based on a measurement of ambient temperature

A smoking substitute apparatus (105) comprises: a housing having a longitudinal axis; an air inlet (176) and an air outlet (174) formed at the housing; a vaporisation chamber (180) having a vaporisation chamber inlet (172) and a heater (164). The air inlet and the air outlet are in fluid communication with each other through an air flow channel extending between the air inlet and the air outlet. The air flow channel passes through the vaporisation chamber inlet and the vaporisation chamber. The heater extends across the air flow channel. The vaporisation chamber inlet is configured to receive air flow from a substantially radial direction and to change a direction of air flow to an axial direction into the vaporisation chamber. The vaporisation chamber inlet is configured to reduce a rate of change of air flow direction from the substantially radial direction to the axial direction. The housing comprises a radially-extending wall (501) and the vaporisation chamber inlet comprises an axial aperture (620) through the wall. At least part of a perimeter of an upstream edge of the axial aperture is filleted to provide the reduced rate of change of air flow direction.

A smokeless article for oral delivery comprising a pouch enclosing a content. The content comprises a nicotinic compound, calcium lactate and sodium carbonate, wherein the pH stability of the content is such that the pH changes by less than or equal to 0.25 units over a period of 12 weeks. Typically, the content comprises 2-4 wt% calcium lactate relative to the total weight of the content, and sodium carbonate. A method of preparing the smokeless article, use of calcium lactate in the content and kits comprising the smokeless article.

A smokeless article for oral delivery comprising a pouch enclosing a content comprising a cellulosic material, wherein the cellulosic material is or comprises one or more selected from the group consisting of: of coffee grinds, corn silk, cocoa nibs, lapsang tea, vanilla rooibos tea, seaweed, carob powder, and a combination of star anise and one or more selected from the group consisting of: coffee grinds, corn silk, cocoa nibs, lapsang tea, vanilla rooibos tea, seaweed, and carob powder, a method of manufacturing the smokeless article, a use of the smokeless article, a kit comprising one or more of the smokeless articles, and a use of cellulosic material.

The present invention relates to a smokeless article for oral delivery comprising a pouch enclosing an oral nicotine delivery (OND) formulation, the OND formulation comprising at least two pH regulators selected from the list of sodium carbonate, sodium hydroxide, calcium lactate, sodium phosphate dibasic, sodium citrate, meglumine, ammonia, ammonium carbonate, and calcium carbonate. A method of manufacturing the article and kits comprising the article are also described.

A smoking substitute system comprising a heated tobacco device with wireless charging capability is provided. The system also comprises a wireless charging dock configured to wirelessly charge the device. Specifically, a heated tobacco device is provided, comprising a rechargeable battery (305) and a wireless charging module (306) configured to wirelessly receive energy for charging the rechargeable battery.

A smoking substitute system (100) comprising a substitute smoking device (101) and a method of operating a smoking substitute device is described. The device and method include providing haptic feedback with different intensities depending on detection of predetermined conditions of the device.

The present disclosure relates to an aerosol generating apparatus. A drawback with known aerosol generating apparatuses is that a user may be unable to immediately and easily determine a status or a mode of operation of the apparatus. Accordingly, there is provided an aerosol generating apparatus (1), comprising a battery (2), having a total battery capacity for initiating a predefined number m of aerosol generating sessions, a plurality j of individually controllable visual indication elements (57) for indicating the predefined number m of aerosol generating sessions, and a controller (12,56) configured to determine the number n of remaining aerosol generating sessions based on the current battery capacity, and control the plurality of visual indication elements (57) to indicate the number n of remaining aerosol generating sessions by illuminating a number k of the visual indication elements, wherein k <= j and n <= m, wherein k is a function of j×n/m, and wherein j, k, m, n are whole numbers.

A heat-not-burn device configured to switch from a locked operating mode to an unlocked operating mode based on detecting an occurrence of a predetermined event and/or upon receiving a predetermined user input, wherein a heater of the heat-not-burn device is configured to be disabled during said locked operating mode and enabled during said unlocked operating mode.

The present disclosure relates to a consumable and a set of a consumable and an aerosol generating system. A typical consumable for a heat-not-burn aerosol generating system is a consumable designed to provide the experience of smoking by heating an aerosol generating material, such as tobacco material, without burning it. Such a consumable is typically in the form of a small stick or cartridge that fits into a specially designed aerosol generating device. In a heat-not-burn consumable, it may be important that the aerosol generating material is heated uniformly to ensure consistent quality and user experience. Accordingly, there is provided a consumable (70) for an aerosol generating system (1), having a generally elongate shape, comprising an internal volume and an external surface surrounding the internal volume, wherein the internal volume contains an aerosol generating material (6) arranged for generating aerosol, wherein the consumable (70) comprises a heat conducting element (100) which, on a transverse cross-section through the consumable, extends between an outer portion (108a) arranged adjacent to or forming part of the external surface of the consumable (70) and an inner portion (108b) arranged closer to the centre of the internal volume, wherein, between the outer portion (108a) and the inner portion (108b), the heat conducting element is in intimate contact with the aerosol generating material (6) over substantially the entirety of the heat conducting element's surfaces, and wherein the heat conducting element (100) is arranged to receive thermal energy at one of the outer portion (108a) and the inner portion (108b), such that the received thermal energy, on being transported via the heat conducting element (100) to the other of the outer portion (108a) and the inner portion (108b), heats the aerosol generating material (6).

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