Handheld aerosol-generating device with opening element

Abstract

The present invention relates to a handheld aerosol-generating device which can comprise a cartridge receiving area configured for receiving a cartridge. The cartridge can comprise a liquid aerosol-forming substrate. The cartridge receiving area can comprise an opening element. The opening element can be configured to pierce a sealing foil of the cartridge when the cartridge is received in the cartridge receiving area. The present invention also relates to an aerosol-generating system comprising a cartridge and an aerosol-generating device, and to a method of attaching a cartridge to an aerosol-generating device.

Description

Technical Field

[0001] This invention relates to an aerosol generating apparatus. Background Technology

[0002] An aerosol generating apparatus for generating inhalable vapors is known. Such an apparatus can heat an aerosol forming matrix to a temperature that causes one or more components of the aerosol forming matrix to volatilize without burning the aerosol forming matrix. The aerosol forming matrix can be provided as part of an aerosol generating article. The aerosol generating article can have a strip shape for inserting the aerosol generating article into a cavity (such as a heating chamber) of the aerosol generating apparatus. Heating elements can be arranged in or around the heating chamber to heat the aerosol forming matrix once the aerosol generating article is inserted into the heating chamber of the aerosol generating apparatus. Alternatively or additionally, a cylinder comprising a liquid aerosol forming matrix can be attached to the aerosol generating apparatus for supplying the liquid aerosol forming matrix to the apparatus for aerosol generation. The cylinder may include a sealing foil configured to seal the liquid aerosol forming matrix in the cylinder during transport and before use. The user may have to peel off the sealing foil before using the cylinder.

[0003] Removing the sealing foil from the cartridge before use may result in undesirable leakage of the liquid aerosol forming matrix from the cartridge. Undesirable leakage of the liquid aerosol forming matrix may also occur during the attachment of the cartridge to the aerosol generating device.

[0004] A leak-proof aerosol generating device is desired. An aerosol generating device is desired that prevents leakage from the cylinder during attachment to the aerosol generating device. A leak-proof cylinder is desired before use. A cylinder is desired that prevents leakage during attachment to the aerosol generating device. Summary of the Invention

[0005] According to one embodiment of the present invention, a handheld aerosol generating device is provided, which may include a tube receiving region configured to receive a tube. The tube may include a liquid aerosol forming matrix. The tube receiving region may include an opening element. The opening element may be configured to pierce a sealing foil of the tube when the tube is received in the tube receiving region.

[0006] According to one embodiment of the present invention, a handheld aerosol generating device is provided, comprising a tube receiving region configured to receive a tube. The tube includes a liquid aerosol forming matrix. The tube receiving region includes an opening element. The opening element is configured to pierce a sealing foil of the tube when the tube is received in the tube receiving region.

[0007] The cartridge may have a sealing foil installed during production or during packaging and shipping. Therefore, users typically purchase cartridges that include the sealing foil. The sealing foil is arranged to prevent leakage of the liquid sensing medium from the cartridge before use. The liquid sensing medium is a liquid aerosol forming matrix. Users will typically have to manually remove the sealing foil before use. This is inconvenient. Furthermore, leakage of the liquid sensing medium from the cartridge can be a result of the user manually removing the sealing foil. Finally, leakage of the liquid sensing medium from the cartridge may occur after the user has removed the sealing foil, during attachment of the cartridge to the aerosol generating device. All these problems are solved by providing an opening element in the cartridge receiving area of ​​the aerosol generating device.

[0008] The opening element automatically opens the sealing foil of the cartridge as it is received into the aerosol generating device via the cartridge receiving area. Therefore, the user does not need to manually remove the sealing foil from the cartridge before use. The user can simply insert the cartridge into the cartridge receiving area of ​​the aerosol generating device without worrying about the sealing foil. The opening element automatically opens the cartridge, allowing the liquid sensing medium to be supplied from the cartridge to the aerosol generating device for aerosol generation.

[0009] The cylinder receiving area may include a liquid passage. The liquid passage may be configured such that liquid sensory media from the cylinder can flow out of the cylinder and into the aerosol generating device.

[0010] The liquid passage can be arranged to establish a liquid connection between the handheld aerosol generator and the cylinder when the cylinder is received in the cylinder receiving area and the sealing foil is punctured by the opening element.

[0011] The opening element can at least partially surround the liquid passage. The opening element can completely surround the liquid passage. This has the advantage that after the opening element has opened the sealing foil of the cylinder, the liquid sensory medium from the cylinder will flow directly into the liquid passage. This will prevent leakage of the liquid sensory medium.

[0012] The opening element may include a blade for cutting the sealing foil of the tube when the tube is received in the tube receiving area. The opening element can therefore be configured as a cutting element. The blade can be arranged to smoothly cut the sealing foil during insertion into the tube receiving area.

[0013] The opening element may include a double blade for cutting the sealing foil of the tube when the tube is received in the tube receiving area. The double blade may have two cutting edges, preferably two opposing cutting edges, more preferably two opposing cutting edges facing opposite directions. The double blade may be configured to cut the sealing foil of the tube regardless of the insertion direction of the tube into the tube receiving area. A first blade may be configured to cut the sealing foil when the tube is inserted into the tube receiving area in a first lateral direction. A second blade may be configured to cut the sealing foil when the tube is inserted into the tube receiving area in a second lateral direction opposite to the first lateral direction. The first and second blades may be part of a single opening element.

[0014] The opening element can be configured as a piercing element. The opening element may include a piercing element as an alternative to or complement to any opening element configuration (e.g., a blade-type configuration). The piercing element can be configured as a pin or a needle. The opening element can facilitate different opening mechanisms, such as simultaneous slicing, cutting, and piercing.

[0015] The handheld aerosol generator may also include a sealing element. The sealing element can be arranged to prevent leakage of the liquid aerosol formation matrix when the cartridge is received in the cartridge receiving area and the sealing foil is punctured by the opening element.

[0016] A sealing element may at least partially surround an opening element. A sealing element may completely surround an opening element. A sealing element may include a sealing ring. A sealing element may be a sealing ring. A sealing element may include an O-ring. A sealing element may be an O-ring.

[0017] The handheld aerosol generating device may also include an evaporator. The evaporator may be configured as a sprayer. The sprayer may include a vibrating microperforated mesh. The vibrating microperforated mesh may include a palladium-perforated vibrating plate.

[0018] When the cylinder is received in the cylinder receiving area and the sealing foil is pierced by the opening element, the evaporator can be fluidly connected to the cylinder.

[0019] The evaporator can be fluidly connected to the cylinder via a liquid passage. After the sealing foil of the cylinder is opened, the liquid sensory medium can flow out of the cylinder, through the liquid passage in the cylinder receiving area, and into the evaporator to evaporate.

[0020] The tube receiving area can be configured to receive tubes laterally from either side of the device.

[0021] The cylinder receiving area and opening element can be arranged in the non-thermal aerosol generating section of the handheld aerosol generating device. The handheld aerosol generating device may also include a thermal aerosol generating section containing a heating element. The non-thermal aerosol generating section can be arranged upstream of the thermal aerosol generating section.

[0022] The present invention also relates to a handheld aerosol generation system, the system comprising a handheld aerosol generation device as described herein and a cylinder as described herein, the cylinder comprising a liquid aerosol forming matrix as described herein.

[0023] The cartridge may include a liquid outlet that allows a liquid aerosol forming matrix to flow out of the cartridge. The liquid outlet may be sealed by a sealing foil. The sealing foil may be arranged to be pierced by an opening element when the cartridge is received in the cartridge receiving area.

[0024] The tube receiving area and the tube can be configured to allow the tube to be inserted laterally into the tube receiving area from either side of the device.

[0025] The present invention also relates to a method for attaching a cylinder comprising a liquid aerosol forming matrix to a handheld aerosol generating device, the method comprising the following steps:

[0026] Provides a handheld aerosol generation system as described herein.

[0027] Insert the tube into the tube receiving area of ​​the handheld aerosol generator.

[0028] By means of the opening element piercing the sealing foil of the cylinder, a fluid connection is established between the cylinder and the handheld aerosol generating device.

[0029] The present invention also relates to a method for attaching a cylinder comprising a liquid aerosol forming matrix to a handheld aerosol generating device, the method comprising the following steps:

[0030] Provides a handheld aerosol generation system as described herein.

[0031] Insert the tube into the tube receiving area of ​​the handheld aerosol generator.

[0032] By means of the opening element piercing the sealing foil of the cylinder, a fluid connection is established between the cylinder and the handheld aerosol generating device.

[0033] The aerosol generating apparatus may include a cylinder receiving area configured for receiving cylinders.

[0034] The cylinder receiving area may include a liquid passage. When the cylinder is received in the cylinder receiving area, the liquid passage may be arranged to establish a liquid connection between the aerosol generating device and the cylinder. The liquid passage may be configured as an orifice. The liquid passage may have a circular cross-section. The liquid passage may be tubular.

[0035] The tube receiving area may include an opening element. The opening element may be configured to open the sealed tube when the tube is inserted into the tube receiving area. The opening element may be configured to tear or break the sealing foil of the tube. The opening element may include a piercing element configured to pierce the sealing foil of the tube when the tube is received in the tube receiving area. The opening element may include a blade-like element configured to cut or slit the sealing foil of the tube when the tube is received in the tube receiving area. The opening element may include dual blades configured to cut or slit the sealing foil of the tube when the tube is received in the tube receiving area. The dual blades may be configured to slit the sealing foil of the tube regardless of the insertion direction of the tube into the tube receiving area.

[0036] The cylinder receiving area may include a connecting portion configured to establish a fluid connection with the cylinder. The orientation of the connecting portion may be defined by an extending plane of the connecting portion. The extending plane may be angled relative to the longitudinal axis of the aerosol generating device. The liquid passage may be centrally located at the connecting portion.

[0037] The angle between the extended plane of the connecting portion and the longitudinal axis of the aerosol generating device can be between 30° and 60°, preferably between 35° and 55°, more preferably between 40° and 50°, and most preferably about 45°.

[0038] The extended plane of the evaporator surface can be parallel to the extended plane of the connecting part. A tight connection can be established between the evaporator and the connecting part, allowing liquid from the cylinder to reach the evaporator through the liquid passage.

[0039] The tube receiving area can be configured as a recess. The tube receiving area and the tube can be shaped correspondingly using a key-locking principle. The tube receiving area can include an asymmetrical shape to allow the tube to be inserted into the tube receiving area only with respect to a specific spatial orientation of the tube relative to the device. The asymmetrical shape of the tube receiving area can be asymmetrical with respect to the lateral plane of the device.

[0040] The cylinder receiving area can have an asymmetrical shape to prevent cylinders from being inserted into the cylinder receiving area in an unwanted orientation. This ensures that the cylinder is only inserted in the correct orientation, so that the liquid outlet of the inserted cylinder can coincide with the connection portion of the cylinder receiving section.

[0041] The cylinder receiving area can be configured to allow the cylinder to be inserted into the cylinder receiving area in the transverse direction relative to the longitudinal axis of the aerosol generating device. The cylinder receiving area can be configured to allow the cylinder to be inserted into the cylinder receiving area only in one direction. This prevents inverted insertion of the cylinder.

[0042] The cylinder receiving area may include a first cylinder receiving area sidewall and an opposing second cylinder receiving area sidewall. The first cylinder receiving area sidewall may have a different shape than the second cylinder receiving area sidewall. One or both of the first and second sidewalls may have an opening that allows the cylinder to be inserted into the cylinder receiving area in a lateral direction. The cylinder receiving area may include a top cylinder receiving area wall and a bottom cylinder receiving area wall. The top cylinder receiving area wall may have a different shape than the bottom cylinder receiving area wall.

[0043] The aerosol generating apparatus may further include a sealing element. The sealing element may form part of a cylinder receiving area. The sealing element may be arranged to prevent leakage of the liquid aerosol forming matrix when the cylinder is received in the cylinder receiving area and the sealing foil of the cylinder is punctured by a puncturing element. The sealing element may be arranged to establish a liquid-tight seal between the cylinder and the cylinder receiving area when the cylinder is received in the cylinder receiving area and the sealing foil is punctured by a puncturing element. The sealing element may at least partially surround an opening element, preferably completely surrounding the opening element. The sealing element may include a sealing ring. The sealing element may be a sealing ring. The sealing element may include an O-ring. The sealing element may be an O-ring.

[0044] The container may include a liquid storage portion for holding a liquid sensory medium. The liquid storage portion may include the liquid sensory medium. The liquid sensory medium may include water. The liquid sensory medium may include a flavoring agent. The liquid sensory medium may include nicotine. The liquid sensory medium may include or may be an aerosol forming matrix. The container may include a liquid aerosol forming matrix.

[0045] The cylinder may contain a semi-elastic material, preferably wherein the cylinder is made of a semi-elastic material, more preferably wherein the cylinder is made of a polymer, and most preferably wherein the cylinder is made of one or more of the following: cyclic olefin copolymer (COC), cyclic olefin polymer (COP), and polypropylene (PP).

[0046] The cylinder may include a liquid outlet. The liquid outlet of the cylinder may be sealed with a laminated foil ultrasonically welded to the cylinder. The foil may include a laminate of aluminum foil and one or more layers of polymer foil, or be made therefrom. The polymer foil may include one or more of the following: BOPP (biaxially oriented polypropylene), LDPE (low-density polyethylene), LLDPE (linear low-density polyethylene), OPP (oriented polypropylene), PA (polyamide), PE (polyethylene), PET (polyethylene terephthalate), PP (polypropylene), PVC (polyvinyl chloride), and PVDC (polyvinylidene chloride).

[0047] The orientation of the liquid outlet can be defined by the extending plane of the liquid outlet. The extending plane of the liquid outlet can be angled relative to the longitudinal axis of the cylinder. The angle between the extending plane of the liquid outlet and the longitudinal axis of the cylinder can be between 30° and 60°, preferably between 35° and 55°, more preferably between 40° and 50°, and most preferably approximately 45°. The liquid outlet can be angled at the same angle as the connecting portion to achieve an improved fit between the liquid outlet and the connecting portion. When the cylinder is connected, the liquid outlet and the liquid passage are aligned, allowing liquid from the cylinder to flow to the evaporator via the liquid outlet and the liquid passage.

[0048] The cylinder may include a first cylinder sidewall and an opposing second cylinder sidewall. The first cylinder sidewall may have a different shape than the second cylinder sidewall. The cylinder may include a top cylinder wall and a bottom cylinder wall. The top cylinder wall may have a different shape than the bottom cylinder wall. The cylinder may be shaped to allow the cylinder to be inserted into a cylinder receiving region in a single orientation. The cylinder may be shaped to allow the cylinder to be inserted into the cylinder receiving region only in one direction. The cylinder may have an asymmetrical shape.

[0049] The walls of the cylinder can be transparent, allowing the liquid contained in the liquid storage section to be visible from the outside. Users can distinguish different liquids based on their color. The walls of the cylinder can also be transparent, making the emptying of the liquid storage section visible from the outside.

[0050] The cylinder may include one or more semi-open inlets. This allows ambient air to enter the cylinder and the liquid storage section. The one or more semi-open inlets may be semi-permeable membranes or one-way valves, permeable to allow ambient air into the liquid storage section, and impermeable to substantially prevent air and liquid from leaving the liquid storage section. The one or more semi-open inlets may allow air to enter the liquid storage section under certain conditions. The one or more semi-open inlets may be used to prevent the formation of a vacuum during cylinder depletion. The one or more semi-open inlets of the cylinder may include one-way valves. One-way valves may be configured to open in response to a pressure drop in the liquid storage section. One-way valves may further prevent liquid leakage from the one or more semi-open inlets.

[0051] The liquid storage portion of the cylinder can be refillable. Alternatively, the cylinder can be configured as a replaceable cylinder. When the initial cylinder is depleted, a new cylinder can be attached to the aerosol generating device.

[0052] The liquid outlet of the cylinder may include a check valve. The check valve may be configured to open in response to a pressure drop in the liquid storage section. The check valve may also be configured to open in response to a pressure drop in the gas flow path. The check valve further prevents contamination of the liquid storage section by preventing any residue from entering the liquid storage section via the liquid outlet.

[0053] An aerosol generating apparatus may include an evaporator. The evaporator may be a humidifier. The evaporator may be a sprayer. The evaporator may be a non-thermal evaporator or a thermal evaporator. A thermal evaporator may include an electrically heated element for generating aerosols by heating and evaporating a liquid sensory medium. The apparatus may include two or more evaporators selected from one or both of non-thermal and thermal evaporators. The apparatus may include one non-thermal evaporator and one thermal evaporator. One or more evaporators may be part of the non-thermal aerosol generating section of the apparatus.

[0054] The evaporator may include a mesh element defining one or more nozzles, wherein the device is arranged to supply a liquid aerosol forming matrix to one side of the mesh element. The mesh element may be vibrated against the supply of the liquid sensing medium to generate an aerosol by forcing droplets of the liquid sensing medium through the nozzles. This arrangement may be referred to as an active mesh element. The mesh may be a vibrating microperforated mesh including a palladium perforated vibrating plate.

[0055] Alternative arrangements may include actuators configured to vibrate the supply of the liquid sensing medium against a mesh element to force droplets of the liquid sensing medium through a nozzle. This arrangement may be referred to as a passive mesh element.

[0056] The actuator may include any suitable type of actuator. In some embodiments, the actuator may include a piezoelectric element. In some embodiments, the actuator may include an ultrasonic sonotrode.

[0057] The evaporator can be actuated at a resonant frequency. The resonant frequency is a function of one or more of the following: the viscosity of the liquid sensing medium (which can be reduced by raising its temperature above room temperature and below 100 degrees Celsius); the surface tension of the liquid sensing medium; the nozzle diameter and geometry; the mesh thickness or stiffness; the droplet ejection velocity; the actuation amplitude; and the mechanical properties of the evaporator components. The resonant frequency can be calculated based on a combination of the above factors. Using the mesh described above, droplet formation can be achieved, with droplet diameters typically less than 3 micrometers. To reduce the diameter of the formed droplets, the viscosity of the liquid sensing medium can be reduced by increasing its temperature. To further reduce the diameter of the formed droplets, an appropriate actuation frequency, such as the resonant frequency described above, can be used.

[0058] Evaporators incorporating mesh elements will exhibit the smallest droplet size that can be generated by the evaporator for a specific liquid sensory medium. Typically, small droplet sizes are desired to maximize the lung delivery of aerosolized liquid aerosol-forming matrix.

[0059] Mesh elements can comprise any suitable material. For example, a mesh element can comprise a silicon-on-insulator wafer.

[0060] The mesh element may include a first surface and a second surface. A plurality of nozzles may extend between the first surface and the second surface. The first surface may be at least partially coated with a hydrophilic coating, or the second surface may be at least partially coated with a hydrophobic coating. The hydrophobic coating may include polyurethane (PU) or a superhydrophobic metal, such as a microporous metal or metal mesh. The microporous metal or metal mesh may be functionalized with carbon chains to make it superhydrophobic. Exemplary superhydrophobic metals include copper and aluminum.

[0061] In some embodiments, the mesh element includes a hydrophilic coating on its inner surface. The mesh element may include a hydrophilic coating on at least one nozzle surface. The hydrophilic coating may include at least one of triamide, polyvinyl acetate (PVA), cellulose acetate, cotton, and one or more hydrophilic oxides. Suitable hydrophilic oxides include silica, alumina, titanium dioxide, and tantalum dioxide.

[0062] The mesh element may include an electrically heated element positioned on its surface. Advantageously, the electrically heated element can be used to heat a liquid to be sprayed through nozzles of the mesh element. The electrically heated element can be arranged to directly heat the liquid to be sprayed through multiple nozzles. The electrically heated element may be positioned on the outer surface of the mesh element. The electrically heated element may include any suitable type of heating element. For example, the electrically heated element may include a micro-motor system heating element. The electrically heated element may include one or more resistance heating rails. The one or more resistance heating rails may include metal. The one or more resistance heating rails may include at least one of platinum, nickel, and polycrystalline silicon.

[0063] The evaporator may further include a deformable element. The evaporator may further include a cavity positioned between the mesh element and the deformable element. The evaporator may include a liquid inlet for supplying the liquid to be atomized to the cavity. The cavity may contain the liquid to be atomized. The liquid outlet of the cylinder may be fluidly connected to the liquid inlet of the evaporator. The evaporator may further include an actuator arranged to oscillate the deformable element. The deformable element may include any suitable deformable material. For example, the deformable element may include plastic, rubber, or silicone. In some preferred embodiments, the deformable element includes silicon. In some embodiments, the deformable element may include a metal or metal alloy, such as nickel, palladium, or an alloy of nickel and palladium.

[0064] An evaporator can generate a dispersion as vapor or aerosol. An evaporator can generate vapor or aerosol by heating a liquid sensory medium to evaporate or aerosolize at least a portion of the liquid sensory medium. An evaporator can also generate a dispersion as vapor or aerosol by non-heating methods (such as ultrasonic treatment, vibration, or a combination of ultrasonic treatment and vibration). For example, a nebulizer may include a vibrator or an ultrasonic processor rod. A nebulizer can be an atomizer assembly, and the atomizer assembly may further include mechanical elements, including one or more of valves, pumps, injectors, or combinations thereof. One or more parts of the nebulizer (including a vibrator or ultrasonic processor rod) can apply force to the liquid sensory medium to generate a dispersion as an aerosol. For example, an atomizer assembly may be configured to generate an aerosol by one or more of the following: releasing a pressurized liquid sensory medium into a lower pressure environment, spraying liquid sensory medium particles, or evaporating a volatile liquid sensory medium into the environment.

[0065] An evaporator can be a humidifier. A humidifier can be configured as a non-thermal humidifier. A humidifier can be configured as a sprayer. A sprayer may include a vibrating microperforated mesh. A vibrating microperforated mesh may include a palladium perforated vibrating plate.

[0066] The aerosol generating apparatus may include a humidity sensor configured to measure humidity in an airflow path. The humidity sensor may be arranged within the airflow path. Preferably, the humidity sensor is arranged adjacent to an air inlet fluidly connected to the airflow path. Alternatively or additionally, the humidity sensor may measure the humidity of the ambient air surrounding the aerosol generating apparatus. The humidity sensor may be arranged around the periphery of the aerosol generating apparatus to measure ambient humidity. The humidity sensor may be configured as a bandgap sensor.

[0067] The aerosol generating apparatus may include a temperature sensor. The temperature sensor may be configured to measure the temperature of air in an airflow path. The temperature sensor may be arranged in the airflow path. Preferably, the temperature sensor is arranged adjacent to an air inlet that is fluidly connected to the airflow path. The temperature sensor may be configured as a capacitive sensor.

[0068] Alternatively, or in addition to a temperature sensor, the device may include a heated temperature sensor. As used herein, the term "heated temperature sensor" refers to a temperature sensor configured to sense the temperature of a heated portion of the device. For example, a heated temperature sensor may sense the temperature of a heated chamber heated by a heating element during use of the device.

[0069] One or both of a moisture sensor and a temperature sensor can be configured to continuously measure one or both of the moisture content and temperature of the air in the airflow path during device operation. The controller can continuously control the evaporator based on the sensor outputs during device operation. Therefore, changes in humidity and temperature during device operation can be taken into account, improving the user experience.

[0070] One or both of the humidity sensor and the temperature sensor may be arranged to measure one or both of the humidity and temperature of the air inlet adjacent to the device.

[0071] The device further includes a heating chamber for heating the aerosol-forming matrix. The heating chamber may be arranged downstream of the airflow path. Alternatively or additionally, the heating chamber may be arranged downstream of the airflow path. In the latter case, the airflow path will exit into the heating chamber. A humidifier may be arranged upstream of the heating chamber.

[0072] The humidifier can be placed between the heating chamber and one or both of the humidity sensor and temperature sensor.

[0073] The aerosol generating device may include a controller configured to receive the output of the humidity sensor. The controller may be configured to receive the output of one or both of the humidity sensor and the temperature sensor, and to control the operation of the humidifier based on the sensor outputs. In one embodiment, both a humidity sensor and a temperature sensor are provided. The controller may be configured to receive the outputs of the temperature sensor and the humidity sensor, and may be configured to control the operation of the humidifier based on the outputs of both the humidity sensor and the temperature sensor.

[0074] The controller can be configured to continuously control the operation of the humidifier during device operation based on one or both of the humidity sensor output and the temperature sensor output.

[0075] The controller may include a lookup table. The lookup table may include one or both of air humidity data and air temperature data. The controller may be configured to control the humidifier by comparing the output of one or both of the humidity sensor and temperature sensor with the stored data in the lookup table.

[0076] The aerosol generation device can have a modular design. It may include one or more of a main module, a thermal aerosol generation section, and a non-thermal aerosol generation section. The thermal aerosol generation section may be configured as a heating section. The thermal aerosol generation section may be configured as a heating module. The thermal aerosol generation section can be modular. The non-thermal aerosol generation section may be configured as an evaporator section. The non-thermal aerosol generation section may be configured as an evaporator module. The non-thermal aerosol generation section can be modular. The non-thermal aerosol generation section may include a non-thermal evaporator. One or more of these sections may be part of an integral structure. One or more of these sections may be permanently attached to each other. One or more of these sections may be detachably connected to each other.

[0077] Modular design allows for several operating modes. For example, depending on the operating mode, there can be either or both of a non-thermal aerosol generation section and a thermal aerosol generation section.

[0078] The main module may include the device's main electronic components. The main module may include the device's power supply, such as a rechargeable battery. The main module may include the device's control electronics.

[0079] The non-thermal aerosol generating section may include an evaporator. The evaporator may include or may be a humidifier. The non-thermal aerosol generating section may include a humidity sensor. The non-thermal aerosol generating section may include a controller configured to receive the output of the humidity sensor and control the operation of the humidifier based on the humidity sensor output, or the controller may be located in the main module. The non-thermal aerosol generating section may include a cylinder receiving area configured for receiving a cylinder.

[0080] The thermal aerosol generation section may include a heating chamber for heating the aerosol-forming matrix. The heating chamber may include a heating element.

[0081] The non-thermal aerosol generation section can be arranged as a central module sandwiched between the main module and the thermal aerosol generation section. The main module can be located at the distal end of the device. The thermal aerosol generation section can be located at the proximal end of the device. The non-thermal aerosol generation section can be located upstream of the thermal aerosol generation section.

[0082] The distal end of the non-thermal aerosol generation section can be detachably connected to the proximal end of the main module. The proximal end of the non-thermal aerosol generation section can be detachably connected to the distal end of the thermal aerosol generation section.

[0083] In addition, the proximal end of the main module can be directly and detachably connected to the distal end of the thermal aerosol generation section, thereby allowing for alternative operating modes in which the non-thermal aerosol generation section is omitted.

[0084] The device may further include a detachably connected mouthpiece. The mouthpiece may be detachably connected to the proximal end of the thermal aerosol generating portion. When the mouthpiece is connected to the thermal aerosol generating portion, the user can directly inhale from the mouthpiece. When the mouthpiece is not connected to the thermal aerosol generating portion, the user can directly inhale from the mouthpiece portion of the aerosol forming article, which is at least partially inserted into the thermal aerosol generating portion. Alternatively or additionally, the mouthpiece may be detachably connected to the proximal end of a portion other than the thermal aerosol generating portion. In embodiments, the thermal aerosol generating portion integrally includes or is configured as a mouthpiece.

[0085] Therefore, the modular device can allow for various operating modes in the presence of one or both of a non-thermal aerosol generating section, a thermal aerosol generating section, and a mouthpiece.

[0086] Detachable connections may include one or more of magnetic connections, screw connections, sliding connections, bayonet connections, or any other known connections.

[0087] The aerosol generating device may include a non-thermal aerosol generating section and a thermal aerosol generating section. The non-thermal aerosol generating section includes a humidifier and a humidity sensor, and the thermal aerosol generating section includes a heating element. The non-thermal aerosol generating section may be arranged upstream of the thermal aerosol generating section.

[0088] The aerosol generating device may include an airflow path into which ambient air is drawn and through which air flows through the device. The airflow path may include a first section, a second section, and a transition section between the first and second sections. The first section may be located upstream of the second section.

[0089] An evaporator (preferably a humidifier) ​​can be configured to increase the humidity of the air flowing through the airflow path. The evaporator (preferably a humidifier) ​​can be arranged adjacent to a transition section of the airflow path. The transition section of the airflow path can be arranged such that a second portion of the airflow passage downstream of the transition section is offset relative to the longitudinal axis of the aerosol generating device.

[0090] The transition section can be arranged such that the direction of the airflow path changes from the first section to the second section. The evaporator can be configured to generate vapor from an aerosol matrix in the region of the transition section of the airflow path.

[0091] The evaporator and transition section can be arranged within the non-thermal aerosol generation section. A second portion of the airflow path can be at least partially arranged within the non-thermal aerosol generation section. The second portion of the airflow path can be fluidly connected to a coupling. The coupling can be configured to fluidly connect the non-thermal aerosol generation section to the thermal aerosol generation section.

[0092] The connector can be offset relative to the longitudinal axis of the aerosol generating device. The connector can be configured to enable a detachable connection between the non-thermal aerosol generating section and the thermal aerosol generating section. The connector can be configured as a Luer connector.

[0093] A second portion of the airflow path may be at least partially arranged within the thermal aerosol generating section, and this second portion of the airflow path within the thermal aerosol generating section may at least partially guide air toward the longitudinal axis of the aerosol generating device, such that the second portion of the airflow path within the thermal aerosol generating section extends at least partially along the longitudinal axis of the aerosol generating device. A second transition portion arranged within the second portion of the airflow path can facilitate the redirection of air from the second portion offset relative to the longitudinal axis toward the portion extending along the longitudinal axis of the second portion. By providing a first transition portion and a second transition portion, the total length of the airflow path from the humidifier to the heating chamber of the thermal aerosol generating section can be increased. Therefore, the mixing of the aerosol generated by the evaporator with the ambient air is improved before the mixture of aerosol generated by the evaporator and ambient air reaches the aerosol forming matrix in the thermal aerosol generating section.

[0094] The second part of the airflow path can be arranged at least partially in the thermal aerosol generating section, and the second part of the airflow path in the thermal aerosol generating section can be fluidly connected to the connector.

[0095] The transition section can be arranged such that the direction of the airflow path changes from the first section to the second section.

[0096] The aerosol generating device may include one or more air inlets. These air inlets are preferably fluidly connected to an airflow path. The air inlets of the device may include one-way valves. The one-way valves may be configured to open in response to a pressure drop in the airflow path. In a closed state where there is no pressure drop in the airflow path, the one-way valves can prevent moisture, dust particles, or other contaminants from entering the device via the air inlets.

[0097] The aerosol generating device may include an air inlet, and a first portion of the airflow path may be arranged adjacent to the air inlet.

[0098] The first portion of the airflow channel may extend laterally through the aerosol generating device relative to its longitudinal axis. The first portion of the airflow channel may also extend radially through the aerosol generating device relative to its longitudinal axis. The first portion of the airflow channel may fluidly connect the air inlet and the first transition portion of the airflow channel.

[0099] The second portion of the airflow channel may extend axially through the aerosol generating device, at least partially, parallel to the longitudinal axis of the aerosol generating device. The second portion of the airflow channel may be fluidly connected to a transition portion of the airflow channel. The second portion of the airflow channel may be fluidly connected to one or both of the first and second transition portions of the airflow channel.

[0100] One or both of the first transition section of the airflow channel and the second transition section of the second part of the airflow channel can change the direction of the airflow path by 90°.

[0101] The orientation of the evaporator can be defined by its surface. This surface can be defined by an extending plane. This extending plane can be angled relative to the longitudinal axis of the aerosol generating device. The plane can also be angled relative to both the first and second portions of the airflow path.

[0102] The angle between the extended plane of the evaporator surface and the longitudinal axis of the aerosol generating device can be between 30° and 60°, preferably between 35° and 55°, more preferably between 40° and 50°, and most preferably about 45°. The angle between the extended plane of the evaporator surface and the longitudinal axis of the first part of the airflow path can be between 30° and 60°, preferably between 35° and 55°, more preferably between 40° and 50°, and most preferably about 45°. The angle between the extended plane of the evaporator surface and the longitudinal axis of the second part of the airflow path can be between 30° and 60°, preferably between 35° and 55°, more preferably between 40° and 50°, and most preferably about 45°.

[0103] The cross-sectional area of ​​the transition section of the airflow channel can be larger than the cross-sectional area of ​​the first section of the airflow channel. The cross-sectional area of ​​the transition section of the airflow channel can be larger than the cross-sectional area of ​​the second section of the airflow channel.

[0104] The aerosol generating apparatus may include a heating chamber for heating the aerosol forming matrix. The heating chamber may be part of the thermal aerosol generating section of the apparatus. The heating chamber may have a hollow cylindrical shape. The heating chamber may be adapted to allow air to flow through it. An airflow path may extend into the heating chamber. The opening of the cylinder (preferably a fluid outlet) may be fluidly connected to the heating chamber via the airflow path. Ambient air may be drawn into the aerosol generating apparatus, drawn into the heating chamber, and drawn toward the user. The open proximal end of the heating chamber may include an air outlet. Downstream of the heating chamber, a mouthpiece may be disposed, or the user may inhale directly onto the aerosol generating article. The airflow path may extend through the mouthpiece.

[0105] The heating chamber may include heating elements. The heating elements may be arranged in or around the heating chamber.

[0106] In all aspects of this disclosure, the heating element may include a resistive material. Suitable resistive materials include, but are not limited to: semiconductors, such as doped ceramics, “conductive” ceramics (e.g., molybdenum disilicide), carbon, graphite, metals, metal alloys, and composite materials made of ceramic and metallic materials. Such composite materials may include doped or undoped ceramics. Examples of suitable doped ceramics include doped silicon carbide. Examples of suitable metals include titanium, zirconium, tantalum, platinum, gold, and silver. Examples of suitable metal alloys include stainless steel, nickel-containing alloys, cobalt-containing alloys, chromium-containing alloys, aluminum-containing alloys, titanium-containing alloys, zirconium-containing alloys, hafnium-containing alloys, niobium-containing alloys, molybdenum-containing alloys, tantalum-containing alloys, tungsten-containing alloys, tin-containing alloys, gallium-containing alloys, manganese-containing alloys, gold-containing alloys, iron-containing alloys, and alloys made of nickel, iron, cobalt, stainless steel, etc. And superalloys primarily composed of iron-manganese-aluminum alloys. In composite materials, resistive materials can be optionally embedded in insulating materials, encapsulated by insulating materials, coated by insulating materials, or vice versa, depending on the energy transfer kinetics and desired external physicochemical properties.

[0107] As described, in any aspect of the invention, the heating element may be part of an aerosol generating apparatus. The aerosol generating apparatus may include an internal heating element, an external heating element, or both, wherein “internal” and “external” refer to the aerosol forming matrix. The internal heating element may take any suitable form. For example, the internal heating element may take the form of a heating blade. Alternatively, the internal heater may take the form of a sleeve or substrate with different conductive portions, or a resistance metal tube. Alternatively, the internal heating element may be one or more heating needles or rods extending through the center of the aerosol forming matrix. Other alternatives include heating wires or filaments, such as Ni-Cr (nickel-chromium), platinum, tungsten, or alloy wires, or heating plates. Optionally, the internal heating element may be deposited in or on a rigid carrier material. In one such embodiment, the resistance heating element may be formed using a metal having a defined relationship between temperature and resistivity. In such exemplary devices, the metal may be formed as a trace on a suitable insulating material (such as a ceramic material) and then sandwiched in another insulating material (such as glass). Heaters formed in this way can be used to heat and monitor the temperature of heating elements during operation.

[0108] The external heating element can take any suitable form. For example, it can take the form of one or more flexible heating foils on a dielectric substrate (such as polyimide). The flexible heating foil can be shaped to conform to the periphery of the substrate receiving the heating chamber. Alternatively, the external heating element can take the form of a metal grid, flexible printed circuit board, molded interconnect device (MID), ceramic heater, flexible carbon fiber heater, or can be formed on a suitable shaped substrate using coating techniques (such as plasma vapor deposition). The external heating element can also be formed using a metal with a defined relationship between temperature and resistivity. In such exemplary devices, the metal can be formed as traces between two layers of suitable insulating material. External heating elements formed in this way can be used to heat and monitor the temperature of the external heating element during operation.

[0109] Internal or external heating elements may include radiators or heat storage units comprising materials capable of absorbing and storing heat and then releasing it to the aerosol-forming matrix over time. Radiators can be formed from any suitable material, such as suitable metallic or ceramic materials. In one embodiment, the material has a high heat capacity (sensible heat storage material), or the material is capable of absorbing and then releasing heat via a reversible process, such as a high-temperature phase change. Suitable sensible heat storage materials include silica gel, alumina, carbon, glass pads, glass fibers, minerals, metals or alloys such as aluminum, silver, or lead, and cellulose materials such as paper. Other suitable materials that release heat via a reversible phase change include paraffin wax, sodium acetate, thalassium, wax, polyethylene oxide, metals, metal salts, mixtures of good salts, or alloys. Radiators or heat storage units may be arranged such that they are in direct contact with the aerosol-forming matrix and can directly transfer the stored heat to the matrix. Alternatively, the heat stored in the radiator or heat storage unit may be transferred to the aerosol-forming matrix via a heat conductor (such as a metal tube).

[0110] The heating element advantageously heats the aerosol-forming matrix by means of conduction. The heating element may at least partially contact the matrix or a carrier on which the matrix is ​​deposited. Alternatively, heat from an internal or external heating element may be conducted to the matrix by means of a thermally conductive element.

[0111] During operation, the aerosol-forming matrix can be completely contained within the aerosol generating device. In this case, the user can inhale through the mouthpiece of the aerosol generating device. Alternatively, during operation, a smoking product containing the aerosol-forming matrix can be partially contained within the aerosol generating device. In this case, the user can inhale directly through the smoking product.

[0112] Heating elements can be constructed as induction heating elements. Induction heating elements may include induction coils and sensors. Generally, the sensor is a material capable of generating heat when penetrated by an alternating magnetic field. If the sensor is conductive, eddy currents are typically induced by the alternating magnetic field. If the sensor is magnetic, another effect that typically contributes to heating is generally referred to as hysteresis loss. Hysteresis loss occurs primarily due to the movement of magnetic domain blocks within the sensor, as the magnetic orientation of these domain blocks aligns with the alternating magnetic field. Another effect contributing to hysteresis loss is when magnetic domains grow or shrink within the sensor. Typically, all these changes occurring in the sensor at the nanoscale or below are referred to as “hysteresis loss” because they generate heat within the sensor. Therefore, if the sensor is both magnetic and conductive, both hysteresis loss and eddy current generation contribute to heating the sensor. If the sensor is magnetic but non-conductive, hysteresis loss will be the only means of heating the sensor when penetrated by an alternating magnetic field. According to the invention, the sensor can be conductive or magnetic, or both. An alternating magnetic field generated by one or more induction coils heats the sensor. The sensor then transfers heat to the aerosol-forming matrix, causing the aerosol to form. Heat transfer can be primarily by thermal conduction. This heat transfer is optimal if the sensor is in close thermal contact with the aerosol-forming matrix. When an induction heating element is used, it can be configured as an internal heating element as described herein or as an external heater as described herein. If the induction heating element is configured as an internal heating element, the sensor element is preferably configured as a pin or blade for penetrating the aerosol-forming article. If the induction heating element is configured as an external heating element, the sensor element is preferably configured as a cylindrical sensor that at least partially surrounds the heating chamber or forms a sidewall of the heating chamber.

[0113] The aerosol generating device can be a handheld aerosol generating device.

[0114] Preferably, the aerosol generating device is portable. The aerosol generating device may have a size comparable to a conventional cigar or cigarette. The device may be an electrically operated smoking device. The device may be a handheld aerosol generating device. The aerosol generating device may have a total length between 30 mm and 150 mm along its longitudinal axis. The aerosol generating device may have an outer diameter between 5 mm and 30 mm in the transverse direction relative to its longitudinal axis. The outer diameter may be constant or may vary along the longitudinal axis of the device.

[0115] The cross-sectional region can have any desired shape. For example, the cross-sectional region can be elliptical, circular, or rectangular. The shape of the cross-sectional region can be constant or can vary along the longitudinal axis of the device.

[0116] The aerosol generating device may include a housing. The housing may be elongated. The housing may include any suitable material or combination of materials. Examples of suitable materials include metals, alloys, plastics, or composites containing one or more of those materials, or thermoplastic materials suitable for food or pharmaceutical applications, such as polypropylene, polyetheretherketone (PEEK), and polyethylene. Preferably, the material is lightweight and not easily broken.

[0117] The housing may include at least one air inlet. The housing may include more than one air inlet. The air inlet is preferably fluidly connected to the airflow path.

[0118] According to an embodiment of the present invention, a cylinder as described herein is provided for use with an aerosol generating apparatus.

[0119] According to one embodiment of the present invention, an aerosol generation system is provided, comprising an aerosol generation apparatus and an aerosol forming matrix as described herein. The aerosol forming matrix may be part of an aerosol generation article as described herein. The aerosol forming matrix may be heated in a heating chamber of the apparatus, and the heating chamber may be arranged downstream of the airflow path, and a humidifier may be arranged upstream of the heating chamber.

[0120] As used herein, the term "liquid sensory medium" refers to a liquid composition capable of altering an airflow in contact with the liquid sensory medium. An evaporator can be used to bring the liquid sensory medium into contact with the airflow. The alteration of the airflow can be one or more of the following: forming an aerosol or vapor, cooling the airflow, filtering the airflow, and increasing the humidity of the airflow.

[0121] For example, the liquid sensory medium can be composed of water or can be substantially composed of water. The liquid sensory medium can be dispersed into the airflow by means of a humidifier. This increases the humidity of the airflow. The provision of a humidifier advantageously allows for the provision of an airflow with constant humidity, independent of ambient air humidity. For example, this allows for compensation in situations where the device is used in a cold environment with low air humidity during operation.

[0122] For example, a liquid sensory medium may include an aerosol-forming matrix capable of releasing volatile compounds that can form aerosols or vapors. Preferably, the aerosol-forming matrix in the liquid sensory medium is a flavoring agent or includes a flavoring agent.

[0123] As used herein, the term "aerosol-forming matrix" refers to a matrix capable of releasing volatile compounds that can form aerosols or vapors. Such volatile compounds can be released by heating the aerosol-forming matrix. The aerosol-forming matrix can be in solid or liquid form. The terms "aerosol" and "vapor" are used synonymously.

[0124] The aerosol forming matrix can be part of the aerosol-generating article. The aerosol forming matrix can be part of the liquid held in the liquid storage section. The aerosol forming matrix can be part of the liquid sensory medium held in the liquid storage section. The liquid storage section can contain a liquid aerosol forming matrix. Alternatively or additionally, the liquid storage section can contain a solid aerosol forming matrix. For example, the liquid storage section can contain a suspension of a solid aerosol forming matrix and a liquid. Preferably, the liquid storage section contains a liquid aerosol forming matrix.

[0125] The aerosol forming matrix described herein can be one or both of an aerosol forming matrix contained in a liquid storage portion and an aerosol forming matrix contained in an aerosol generating article. Preferably, a liquid nicotine or flavoring / seasoning aerosol forming matrix can be used in the liquid storage portion of the cartridge, while an aerosol forming matrix containing solid tobacco can be used in the aerosol generating article.

[0126] The aerosol forming matrix may include nicotine. Nicotine-containing aerosol forming matrices may be nicotine salt matrices.

[0127] Aerosol forming matrices may include plant-based materials. Aerosol forming matrices may include tobacco. Aerosol forming matrices may include tobacco-containing materials, said materials including volatile tobacco flavor compounds released from the aerosol forming matrix upon heating. Alternatively, aerosol forming matrices may include non-tobacco materials. Aerosol forming matrices may include homogenized plant-based materials. Aerosol forming matrices may include homogenized tobacco materials. Homogenized tobacco materials may be formed by agglomerating particulate tobacco. In a particularly preferred embodiment, the aerosol forming matrix may include aggregated curled sheets of homogenized tobacco material. As used herein, the term "curled sheet" refers to a sheet having a plurality of substantially parallel ridges or folds.

[0128] The aerosol forming matrix may include at least one aerosol forming agent. The aerosol forming agent is any suitable known compound or mixture of compounds that, in use, facilitates the formation of a dense and stable aerosol and is substantially resistant to thermal degradation at the operating temperature of the device. Suitable aerosol forming agents are well known in the art and include, but are not limited to: polyols, such as triethylene glycol, 1,3-butanediol, and glycerol; esters of polyols, such as mono, di, or triacetic acid esters of glycerol; and fatty acid esters of mono-, di-, or polycarboxylic acids, such as dimethyl dodecanoate and dimethyl tetradecanoate. Preferred aerosol forming agents are polyols or mixtures thereof, such as triethylene glycol and 1,3-butanediol. Preferably, the aerosol forming agent is glycerol. If present, the aerosol forming agent content in the homogenized tobacco material may be equal to or greater than 5% by weight on a dry weight basis, and preferably from 5% to 30% by weight on a dry weight basis. The aerosol forming matrix may include other additives and ingredients, such as flavoring agents.

[0129] As used herein, the term "aerosol generating article" refers to an article comprising an aerosol-forming matrix capable of releasing volatile compounds that can form aerosols. For example, an aerosol generating article can be an article that generates aerosols that can be inhaled by a user through a mouthpiece at the user end of a device or directly inhaled by a user. Aerosol generating articles can be disposable.

[0130] The aerosol generating product and the heating chamber of the aerosol generating apparatus can be arranged such that the aerosol generating product is partially received within the heating chamber of the aerosol generating apparatus. Alternatively, the heating chamber of the aerosol generating apparatus and the aerosol generating product can be arranged such that the aerosol generating product is completely received within the heating chamber of the aerosol generating apparatus.

[0131] The aerosol-generating article may have a certain length and a circumference substantially perpendicular to said length. The aerosol-forming matrix may be provided as an aerosol-forming segment comprising the aerosol-forming matrix. The shape of the aerosol-forming segment may be substantially cylindrical. The aerosol-forming segment may be substantially elongated. The aerosol-forming segment may also have a certain length and a circumference substantially perpendicular to said length.

[0132] As used herein, the term "liquid storage portion" refers to a storage portion that includes a liquid sensory medium and, alternatively, an aerosol-forming matrix capable of releasing volatile compounds that can form aerosols.

[0133] As used herein, the term "aerosol generating apparatus" refers to an apparatus that interacts with one or both of the aerosol generating article and the cartridge to generate an aerosol.

[0134] As used herein, the term "aerosol generation system" refers to a combination of an aerosol generation article as further described and illustrated herein with an aerosol generation apparatus as further described and illustrated herein. In this system, one or both of the aerosol generation apparatus, the aerosol generation article, and the cartridge cooperate to generate inhalable aerosols.

[0135] As used herein, the term "mouthpiece" refers to a portion of an aerosol generating apparatus that is placed in the user's mouth for direct inhalation of aerosols generated by the aerosol generating apparatus from an aerosol-generating article received in the heating chamber of the apparatus and / or from a liquid received in the liquid storage portion of the cylinder.

[0136] The operation of the heating element can be triggered by a suction detection system. Alternatively, the heating element can be triggered by pressing a switch button held during user suction. The suction detection system can be provided as a sensor, which can be configured as an airflow sensor to measure the airflow rate. The airflow rate is a parameter characterizing the amount of air drawn by the user each time through the airflow path of the aerosol generating device. The start of suction can be detected by the airflow sensor when the airflow exceeds a predetermined threshold. It can also be detected when the user activates the button.

[0137] The sensor can also be configured as a pressure sensor. When a user inhales through the aerosol generating device, a negative pressure or vacuum is created inside the device, where the negative pressure can be detected by the pressure sensor. The term "negative pressure" should be understood as a pressure lower than the pressure of ambient air. In other words, when a user inhales through the device, the air drawn in through the device has a pressure lower than the pressure of the ambient air outside the device.

[0138] The aerosol generating device may include a user interface for activating the aerosol generating device, such as a button for initiating heating of the aerosol generating device or a display for indicating the status of the aerosol generating device or the aerosol forming matrix.

[0139] Aerosol generating apparatus may include additional components, such as a charging unit for recharging the onboard power supply in an electric aerosol generating apparatus.

[0140] As used herein, the term "proximal" refers to the user end or nozzle end of the aerosol generating device or its components or portions, and the term "distal" refers to the end opposite to the proximal end. When referring to the heating chamber, the term "proximal" refers to the region closest to the open end of the heating chamber, while the term "distal" refers to the region closest to the closed end.

[0141] As used herein, the terms “upstream” and “downstream” are used to describe the relative position of a component or part of a component of an aerosol generating device with respect to the direction in which a user draws air onto it during use of the aerosol generating device.

[0142] A non-exhaustive list of non-limiting examples is provided below. Any one or more features of these examples may be combined with any one or more features of another example or embodiment described herein.

[0143] Example A: A handheld aerosol generating device includes a tube receiving region configured to receive a tube comprising a liquid aerosol forming matrix, wherein the tube receiving region includes an opening element configured to pierce the sealing foil of the tube when the tube is received in the tube receiving region.

[0144] Example B: According to the handheld aerosol generating device of Example A, the cylinder receiving area includes a liquid passage.

[0145] Example C: A handheld aerosol generating device according to Example B, wherein the liquid passage is arranged to establish a liquid connection between the handheld aerosol generating device and the cylinder when the cylinder is received in the cylinder receiving area and the sealing foil is pierced by the opening element.

[0146] Example D: A handheld aerosol generating device according to Example C, wherein the opening element at least partially surrounds the liquid passage, preferably completely surrounds the liquid passage.

[0147] Example E: A handheld aerosol generating device according to any of the foregoing examples, wherein the opening element includes a blade for cutting the sealing foil of the tube when the tube is received in the tube receiving area.

[0148] Example F: A handheld aerosol generating device according to any of the foregoing examples, wherein the opening element comprises a double blade for cutting the sealing foil of the tube when the tube is received in the tube receiving area.

[0149] Example G: A handheld aerosol generating device according to Example F, wherein the dual blades are configured to cut the sealing foil of the cylinder regardless of the insertion direction of the cylinder into the cylinder receiving area.

[0150] Example H: A handheld aerosol generating device according to any of the foregoing examples, wherein the handheld aerosol generating device further includes a sealing element.

[0151] Example I: A handheld aerosol generating device according to Example H, wherein the sealing element is arranged to prevent leakage of the liquid aerosol forming matrix when the cylinder is received in the cylinder receiving area and the sealing foil is punctured by the opening element.

[0152] Example J: A handheld aerosol generating device according to Example H or I, wherein the sealing element at least partially surrounds the opening element, preferably completely surrounds the opening element.

[0153] Example K: A handheld aerosol generating device according to any one of Examples H to J, wherein the sealing element includes a sealing ring, preferably wherein the sealing element is a sealing ring.

[0154] Example L: A handheld aerosol generating device according to any one of Examples H to K, wherein the sealing element includes an O-ring, preferably wherein the sealing element is an O-ring.

[0155] Example M: ​​A handheld aerosol generating device according to any of the foregoing examples, wherein the handheld aerosol generating device further includes an evaporator, wherein the evaporator is preferably configured as a sprayer, more preferably wherein the sprayer includes a vibrating microperforated mesh, and even more preferably wherein the vibrating microperforated mesh includes a palladium perforated vibrating plate.

[0156] Example N: A handheld aerosol generating device according to Example M, wherein the evaporator is fluidly connected to the cylinder when the cylinder is received in the cylinder receiving area and the sealing foil is pierced by the opening element.

[0157] Example O: A handheld aerosol generating device according to Example M or N, wherein the evaporator is fluidly connected to the cylinder via a liquid passage of any one of Examples 2 to 4.

[0158] Example P: A handheld aerosol generating device according to any of the foregoing examples, wherein the tube receiving area is configured to receive the tube laterally from either side of the device.

[0159] Example Q: A handheld aerosol generating device according to any of the foregoing examples, wherein the cylinder receiving area and the opening element are arranged in the non-thermal aerosol generating section of the handheld aerosol generating device, wherein the handheld aerosol generating device further includes a thermal aerosol generating section containing a heating element, and wherein the non-thermal aerosol generating section is arranged upstream of the thermal aerosol generating section.

[0160] Example R: A handheld aerosol generation system comprising a handheld aerosol generation device and a cylinder according to any of the foregoing examples, the cylinder comprising a liquid aerosol forming matrix.

[0161] Example S: A handheld aerosol generation system of Example R, wherein the cartridge includes a liquid outlet that allows the liquid aerosol forming matrix to flow out of the cartridge, wherein the liquid outlet is sealed by a sealing foil, wherein the sealing foil is arranged to be pierced by the opening element when the cartridge is received in the cartridge receiving area.

[0162] Example T: A handheld aerosol generating system of Example R or S, wherein the tube receiving area and the tube are configured to allow the tube to be inserted laterally into the tube receiving area from either side of the device.

[0163] Example U: A method for attaching a cylinder comprising a liquid aerosol forming matrix to a handheld aerosol generating device, the method comprising the following steps:

[0164] Provide a handheld aerosol generation system according to any one of Examples R to T.

[0165] Insert the tube into the tube receiving area of ​​the handheld aerosol generator.

[0166] By means of the opening element piercing the sealing foil of the cylinder, a fluid connection is established between the cylinder and the handheld aerosol generating device.

[0167] The features described with respect to one embodiment can also be applied to other embodiments of the invention. Attached Figure Description

[0168] The invention will be further described by way of example only with reference to the accompanying drawings, in which:

[0169] Figure 1 An aerosol generating apparatus is shown.

[0170] Figure 2 This illustrates the non-thermal aerosol generation section of an aerosol generation apparatus, including a cylinder receiving area; and

[0171] Figure 3 The opening element is shown arranged in the tube receiving area. Detailed Implementation

[0172] Figure 1 A handheld aerosol generator 10 is shown. The handheld aerosol generator 10 includes a main body 12. The main body 12 includes a power source in the form of a battery. The main body 12 may further include circuitry.

[0173] The handheld aerosol generating device 10 includes a non-thermal aerosol generating section 14. The non-thermal aerosol generating section 14 is arranged adjacent to the main body 12. The non-thermal aerosol generating section 14 is configured to be removably attached to the main body 12 or integrally formed with the main body 12.

[0174] Adjacent to the non-thermal aerosol generating section 14, a thermal aerosol generating section 16 is provided. The non-thermal aerosol generating section 14 is sandwiched between the thermal aerosol generating section 16 and the main body 12 of the handheld aerosol generating device 10.

[0175] In the non-thermal aerosol generation section 14, a cylinder receiving region 18 is provided. The cylinder receiving region 18 is configured to receive a cylinder 20. The cylinder 20 comprises a liquid sensory medium. Preferably, the cylinder 20 comprises a nicotine-containing sensory medium. Alternatively, the cylinder 20 may comprise pure water. The cylinder 20 may comprise any preferred liquid sensory medium.

[0176] The cylinder 20 is configured to be removably attached. After the liquid sensory medium in the cylinder 20 is depleted, the depleted cylinder 20 can be removed from the cylinder receiving area 18 and a new cylinder 20 can be attached to the cylinder receiving area 18. Alternatively, the cylinder 20 can be refilled after the liquid sensory medium from the cylinder 20 is depleted.

[0177] The cylinder receiving area 18 is shaped such that the cylinder 20 can only be inserted into the cylinder receiving area 18 in one direction. This prevents the cylinder 20 from being mishandled or damaged in the cylinder receiving area 18.

[0178] Air inlet 22 is provided in the non-thermal aerosol generating section 14. Alternatively, more than one air inlet 22 or multiple air inlets 22 may be provided. The air inlets 22 are arranged in the periphery of the non-thermal aerosol generating section 14 to allow ambient air to be drawn into the handheld aerosol generating device 10.

[0179] An airflow path 24 is provided, which is fluidly connected to the air inlet 22. The airflow path 24 extends from the air inlet 22 through the handheld aerosol generating device 10. Adjacent to the air inlet 22, the airflow path 24 extends through the non-thermal aerosol generating section 14. Subsequently, the airflow path 24 continues through the thermal aerosol generating section 16.

[0180] A coupling 26 is provided between the non-thermal aerosol generating portion 14 and the thermal aerosol generating portion 16. The coupling 26 allows the thermal aerosol generating portion 16 to be removably attached to the non-thermal aerosol generating portion 14, and vice versa. In an alternative embodiment, the coupling 26 is a fixed coupling 26, such that the thermal aerosol generating portion 16 is permanently attached to the non-thermal aerosol generating portion 14.

[0181] Airflow path 24 extends through connector 26. In other words, connector 26 facilitates fluid connection between non-thermal aerosol generating portion 14 and thermal aerosol generating portion 16. Exemplarily, connector 26 may be a Luer connector 26.

[0182] exist Figure 1In the illustrated embodiment, the aerosol generating article 28 is inserted into the cavity of the thermal aerosol generating section 16. The cavity may be configured as a heating chamber. A heating element is arranged in the thermal aerosol generating section 16. The heating element may be a resistance heating element in the form of a heating blade or pin, penetrating into the aerosol generating article 28 when it is received into the cavity. Alternatively, the heating element may be arranged at least partially around the cavity. The heating element may be configured as an induction heating element. In this case, the heating element includes an induction coil surrounding a sensor. The sensor may be a tubular sensor arranged at least partially around the cavity.

[0183] The aerosol generating article 28 includes a solid aerosol forming matrix. A cavity into which the aerosol generating article 28 is inserted is located at the downstream end of an airflow path 24. The airflow path 24 terminates in the cavity. Air flows from an air inlet 22 through a non-thermal aerosol generating section 14, through a connector 26, and through a thermal aerosol generating section 16 into the cavity. As the air flows into the cavity, it passes through the aerosol forming matrix of the aerosol generating article 28. The aerosol generating article 28 is simultaneously heated by a heating element, thereby generating aerosols. The aerosols exit the aerosol generating article 28 at a proximal or downstream end.

[0184] To improve aerosol generation, the non-thermal aerosol generation section 14 includes a humidity sensor. In addition to or alternatively, a temperature sensor may be provided. The humidity sensor is configured to measure the humidity of the air flowing through the air inlet 22 into the airflow path 24. The temperature sensor is configured to measure the temperature of the air flowing through the air inlet 22 into the airflow path 24. The air temperature can indicate the humidity of the air.

[0185] Aerosol generation in the thermal aerosol generation section 16 depends on the humidity of the incoming air, and is promoted by a heating element that heats the aerosol forming matrix of the aerosol generation article 28. To improve the generated aerosols, it may be necessary to increase the humidity of the incoming air in dry or low-humidity climates.

[0186] For this purpose, the non-thermal aerosol generating section 14 includes an evaporator. The handheld aerosol generating device 10 further includes a controller. The controller may be disposed in the non-thermal aerosol generating section 14. Alternatively, the controller may be part of a circuit disposed in the body 12 of the handheld aerosol generating device 10. The controller is configured to control the operation of the evaporator. The evaporator is configured to cause the liquid sensory medium to evaporate from the cylinder 20. The evaporated air generated by the evaporator mixes with ambient air flowing through the airflow path 24, thereby increasing the humidity of the air. The evaporator is disposed adjacent to the airflow path 24.

[0187] The airflow path 24 includes a first section 34, a transition section 36, and a second section 38. The evaporator is arranged immediately adjacent to the transition section 36. Figure 1 In this configuration, the evaporator is concealed by a transition section 36. A first portion 34 of the airflow path 24 is arranged adjacent to the air inlet 22. A humidity sensor or temperature sensor is preferably arranged within the first portion 34 of the airflow path 24. Downstream of the first portion 34 of the airflow path 24, a transition section 36 is provided. The transition section 36 fluidly connects the first portion 34 of the airflow path 24 to a second portion 38 of the airflow path 24. The second portion 38 of the airflow path 24 is partially arranged within the non-thermal aerosol generation section 14 and partially within the thermal aerosol generation section 16.

[0188] An evaporator is positioned at the transition section 36 of the airflow path 24. The transition section 36 of the airflow path 24 has a larger cross-section than both the first section 34 and the second section 38 of the airflow path 24. Therefore, the transition section improves the mixing of the aerosol generated by the evaporator with the ambient air flowing through the airflow path 24.

[0189] The transition section is offset relative to the longitudinal axis of the handheld aerosol generator 10. Therefore, the second portion 38 of the airflow path 24 is also offset relative to the longitudinal axis of the handheld aerosol generator 10. For example... Figure 1 As shown, air flows parallel to the longitudinal axis of the handheld aerosol generating device 10 in the second portion 38 of the airflow path 24 in the non-thermal aerosol generating section 14. This is due to the offset of the transition portion 36 of the airflow path 24 and the offset of the second portion 38 of the airflow path 24. After passing through the connector 26 and entering the thermal aerosol generating section 16, the air with increased humidity passes through the second transition portion 39 of the second portion 38 of the airflow path 24, thereby redirecting the air flow along the longitudinal axis of the handheld aerosol generating device 10. The air with increased humidity then enters the cavity in which the aerosol generating article 28 comprising the aerosol forming matrix is ​​received. The cavity is preferably along the longitudinal axis of the handheld aerosol generating device 10.

[0190] As an alternative to the thermal aerosol generating section 16 having a cavity for receiving the aerosol generating article 28, the thermal aerosol generating section 16 can be configured as a mouthpiece without having a cavity for receiving the aerosol generating article 28 comprising a solid aerosol forming matrix. This embodiment is preferred if the cartridge 20 includes a sensory medium, which includes one or both of nicotine and a flavoring agent, such that the generated aerosol can be directly inhaled by the user.

[0191] Evaporator operation can be improved by providing one or both of a humidity sensor and a temperature sensor. In environments with high humidity, the controller can use the sensor output to operate the evaporator only minimally or even shut it down. However, in low humidity environments, the need to increase air humidity may be greater, allowing the controller to activate the evaporator accordingly in response to the humidity sensor's output.

[0192] For example, when the humidity sensor detects that the ambient air drawn into the airflow path 24 has low humidity, the controller will activate the evaporator.

[0193] A lookup table can be provided, which includes one or more of humidity and temperature data. The controller can control the operation of the evaporator in response to the output detected by one or both of the humidity and temperature sensors and by comparing this output with the lookup table. Both air humidity and air temperature can be used to control the evaporator via the controller, such that air humidity is controlled for optimized aerosol generation.

[0194] Figure 2 The tube receiving area 18 of the non-thermal aerosol generating section 14 of the handheld aerosol generating device 10 is shown. The tube receiving area 18 is shaped such that the tube 20 can only be inserted unidirectionally or to the maximum extent in a first lateral direction and in the opposite second lateral direction.

[0195] Figure 2 An opening element 40 for the cylinder receiving area 18 is also shown. The opening element 40 is configured to open a sealing foil 48 that blocks the liquid outlet 46 of the cylinder 20 before use. While the sealing foil 48 would normally have to be manually removed from the cylinder 20 by the user before use, the opening element 40 automatically opens the sealing foil 48 during the insertion of the cylinder 20 into the cylinder receiving area 18 of the aerosol generating device.

[0196] Figure 3 This opens a more detailed view of component 40. Figure 3 In the illustrated embodiment, the opening element 40 is configured as a double-blade assembly. The two blades of this embodiment of the opening element 40 are arranged opposite each other, facing different directions. Each blade is angled relative to the insertion direction of the cylinder 20. Each blade is configured to cut the sealing foil 48 of the cylinder 20 when the cylinder 20 is inserted into the cylinder receiving region 18 in a particular lateral direction. Exemplarily, the first blade is configured to cut the sealing foil 48 of the cylinder 20 when the cylinder 20 is inserted in a first lateral direction, and the second blade is configured to cut the sealing foil 48 of the cylinder 20 when the cylinder 20 is inserted in the opposite second lateral direction.

[0197] Figure 3A liquid passage 42 is further shown arranged in the cylinder receiving region 18. The liquid passage 42 is configured as three separate orifices arranged around the opening element 40. Of course, the number of orifices can be suitably chosen. Exemplarily, the liquid passage 42 can be configured as a single orifice, two orifices, four orifices, or multiple orifices. The liquid passage 42 can be configured as orifices surrounding the opening element 40. Alternatively, the liquid passage 42 can be arranged at the center of the opening element 40. The liquid passage 42 is in evaporator liquid communication with the non-thermal aerosol generating section 14, such that after the opening element 40 has opened the sealing foil 48, the liquid sensory medium from the cylinder is supplied to the evaporator through the liquid passage 42.

[0198] Figure 3 A sealing element 44 surrounding the cylinder receiving region 18 is further shown. The sealing element 44 is configured as an O-ring. The sealing element 44 ensures that no liquid sensory medium leaks from the cylinder 20 after the cylinder 20 has been received in the cylinder receiving region 18 and the sealing foil 48 of the cylinder 20 has been opened by the opening element 40.

Claims

1. A handheld aerosol generating device comprising a tube receiving region configured to receive a tube, the tube comprising a liquid aerosol forming matrix, wherein the tube receiving region includes an opening element configured to pierce a sealing foil of the tube when the tube is received in the tube receiving region, wherein the tube receiving region is configured to receive the tube laterally from either side of the aerosol generating device.

2. The handheld aerosol generating device according to claim 1, wherein the cylinder receiving area includes a liquid passage.

3. The handheld aerosol generating device of claim 2, wherein the liquid passage is arranged to establish a liquid connection between the handheld aerosol generating device and the cylinder when the cylinder is received in the cylinder receiving area and the sealing foil is pierced by the opening element, wherein the opening element at least partially surrounds the liquid passage.

4. The handheld aerosol generating device according to claim 3, wherein the opening element completely surrounds the liquid passage.

5. The handheld aerosol generating device according to claim 1, wherein the opening element comprises a blade for cutting the sealing foil of the cylinder when the cylinder is received in the cylinder receiving area.

6. The handheld aerosol generating device according to claim 1, wherein the opening element comprises a double blade for cutting the sealing foil of the cylinder when the cylinder is received in the cylinder receiving area.

7. The handheld aerosol generating device of claim 6, wherein the dual blades are configured to cut the sealing foil of the cylinder regardless of the insertion direction of the cylinder into the cylinder receiving area.

8. The handheld aerosol generating device according to claim 2, wherein the handheld aerosol generating device further includes an evaporator.

9. The handheld aerosol generating device according to claim 8, wherein the evaporator is configured as a sprayer.

10. The handheld aerosol generating device according to claim 9, wherein the sprayer comprises a vibrating microperforated mesh.

11. The handheld aerosol generating device according to claim 10, wherein the vibrating microperforated mesh comprises a palladium perforated vibrating plate.

12. The handheld aerosol generating device of claim 8, wherein the evaporator is fluidly connected to the cylinder when the cylinder is received in the cylinder receiving area and the sealing foil is pierced by the opening element.

13. The handheld aerosol generating device of claim 8, wherein the evaporator is fluidly connected to the cylinder via the liquid passage.

14. The handheld aerosol generating device according to any one of claims 1-13, wherein the cylinder receiving area and the opening element are arranged in the non-thermal aerosol generating section of the handheld aerosol generating device, wherein the handheld aerosol generating device further includes a thermal aerosol generating section comprising a heating element, and wherein the non-thermal aerosol generating section is arranged upstream of the thermal aerosol generating section.

15. A handheld aerosol generation system comprising a cylinder and a handheld aerosol generation device according to any one of claims 1 to 14, wherein the cylinder comprises a liquid aerosol forming matrix.

16. The handheld aerosol generating system of claim 15, wherein the cartridge includes a liquid outlet that allows the liquid aerosol forming matrix to flow out of the cartridge, wherein the liquid outlet is sealed by a sealing foil, wherein the sealing foil is arranged to be pierced by the opening element when the cartridge is received in the cartridge receiving area.

17. The handheld aerosol generating system of claim 15 or 16, wherein the cylinder receiving area and the cylinder are configured to allow the cylinder to be laterally inserted into the cylinder receiving area from either side of the handheld aerosol generating device.

18. A method for attaching a cylinder comprising a liquid aerosol forming matrix to a handheld aerosol generating device, the method comprising the steps of: • Provides a handheld aerosol generation system according to any one of claims 15 to 17, Insert the tube into the tube receiving area of ​​the handheld aerosol generator. • By means of the opening element piercing the sealing foil of the cylinder, a fluid connection is established between the cylinder and the handheld aerosol generating device.

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