Aerosol generating system having a laterally inserted cartridge

Abstract

The present invention relates to an aerosol generating system (10) comprising a main body (12), a replaceable mouthpiece (14), an atomizer module (16), and a replaceable cartridge (18). When the aerosol generating system (10) is assembled, the atomizer module (16) is positioned laterally to the aerosol generating system (10) between the replaceable mouthpiece (14) and the replaceable cartridge (18). The present invention further relates to a method for assembling such an aerosol generating system (10).

Description

Technology Field

[0001] The present invention relates to an aerosol-generating system and a method for assembling such an aerosol-generating system. Background Technology

[0002] Currently, various types of aerosol generation systems are commercially available. These systems can heat an aerosol-forming substrate to a temperature at which one or more components of the aerosol-forming substrate volatilize, without burning the aerosol-forming substrate. Other systems, often referred to as atomizers, typically generate aerosols by mechanical action, such as by vibrating elements like a mesh or a membrane with multiple holes. Vibrating atomizers use the deformation or vibration of these vibrating elements to push liquid through them.

[0003] In a conventional vibrating mesh atomizer, a piezoelectric element in contact with the mesh is used to generate vibrations in the mesh. The mesh is adjacent to and in direct contact with a liquid aerosol forming substrate. The mesh deformation of the vibrating mesh creates a pressure field within the liquid, pumping and filling the holes with liquid. The volume of liquid displaced through the holes breaks down into droplets, which are ejected through the holes of the mesh as an aerosol droplet distribution and then transported to the user through an airflow channel.

[0004] Typically, such a system includes a replaceable mouthpiece, an atomizer module containing a vibrating element, and a liquid reservoir for storing a liquid aerosol-forming material. The liquid reservoir may be contained within a cartridge. The positioning of the individual components relative to one another is critical for providing proper liquid flow and aerosol generation during use. Additionally, it is desirable to be able to access the individual components of such a system, for example, to replace the individual components.

[0005] It would be desirable to have an aerosol generating system that provides easy replacement of the cartridge. It would be desirable to have an aerosol generating system that has improved liquid flow during use. It would be desirable to have an aerosol generating system that has improved accessibility to the individual components of the system. It would be desirable to have an aerosol generating system that enables cleaning of the replaceable mouthpiece.

[0006] According to one embodiment of the present invention, an aerosol generating system is provided, comprising a main body, a replaceable mouthpiece, an atomizer module, and a replaceable cartridge. When the aerosol generating system is assembled, the atomizer module may be positioned laterally to the aerosol generating system between the replaceable mouthpiece and the replaceable cartridge.

[0007] According to one embodiment of the present invention, an aerosol generating system is provided, comprising a main body, a replaceable mouthpiece, an atomizer module, and a replaceable cartridge. When the aerosol generating system is assembled, the atomizer module is positioned laterally to the aerosol generating system between the replaceable mouthpiece and the replaceable cartridge.

[0008] According to one embodiment of the present invention, an aerosol generating system is provided, comprising a main body, a replaceable mouthpiece, an atomizer module, and a replaceable cartridge. When the aerosol generating system is assembled, the atomizer module is positioned laterally to the aerosol generating system between the replaceable mouthpiece and the replaceable cartridge. The replaceable cartridge can be connected to the atomizer module from two sides, preferably from two sides perpendicular to each other.

[0009] By providing an aerosol generating system comprising an atomizer module positioned laterally between a replaceable mouthpiece and a replaceable cartridge, easy replacement of the cartridge may be provided. By providing an aerosol generating system comprising an atomizer module positioned laterally between a replaceable mouthpiece and a replaceable cartridge, an aerosol generating system having improved liquid flow during use may be provided. By providing an aerosol generating system comprising an atomizer module positioned laterally between a replaceable mouthpiece and a replaceable cartridge, improved accessibility to individual components of the system may be provided. By providing an aerosol generating system comprising an atomizer module positioned laterally between a replaceable mouthpiece and a replaceable cartridge, cleaning of the replaceable mouthpiece may be possible.

[0010] As used herein, the term "aerosol generating system" is used to describe a system that generates an aerosol by interacting with an aerosol-forming substrate. Preferably, the aerosol generating system is a smoking system that generates an aerosol that can be inhaled directly into the user's lungs through the user's mouth by interacting with an aerosol-forming substrate.

[0011] The aerosol generating system may include a longitudinal axis. The longitudinal axis may extend along a longitudinal extension of the aerosol generating system. The longitudinal axis of the aerosol generating system may extend between the proximal end of the aerosol generating system and the distal end of the aerosol generating system. The lateral direction may be perpendicular to the longitudinal axis of the aerosol generating system.

[0012] As used herein, the term 'proximal' refers to the user or mouse end of the aerosol generating system or a part thereof, and the term 'distal' refers to the end opposite to the proximal end. As used herein, the term 'lateral' refers to the direction perpendicular to the longitudinal axis of the aerosol generating system.

[0013] The aerosol generating system may include a plurality of lateral axes perpendicular to the longitudinal axis of the aerosol generating system. The atomizer module may be located on a lateral axis of the aerosol generating system that penetrates a replaceable mouthpiece and a replaceable cartridge. The lateral center axis of the cartridge, which is also a lateral axis of the aerosol generating system, may penetrate the atomizer module and the replaceable mouthpiece.

[0014] The atomizer module can be fitted between the replaceable mouthpiece and the replaceable cartridge. The replaceable cartridge can be reversibly inserted from the lateral side of the aerosol generation system. The replaceable cartridge can be reversibly removed from the aerosol generation system without the need to remove or move the atomizer module within the aerosol generation system. The replaceable cartridge can be reversibly removed from the aerosol generation system without the need to remove or move the replaceable mouthpiece within the aerosol generation system. The replaceable cartridge can be accessed from the lateral side of the aerosol generation system. The replaceable cartridge can be reversibly connected to the aerosol generation system.

[0015] The atomizer module may include an electrical connection part. The electrical connection part may provide an electrical connection to the main body. The atomizer module may include a vibrating transducer.

[0016] As used herein, the term "vibratory transducer" is used to refer to a device configured to convert energy from an initial form to a different form, wherein the different form includes or is composed of a vibratory output.

[0017] The atomizer module may include a piezoelectric actuator. The atomizer module may include a vibration element. The vibration element may be one of a vibration mesh, a vibration membrane, or a vibration plate.

[0018] Piezoelectric actuators are desirable because they are an energy-efficient and lightweight means of providing a vibration output from an electrical input. Piezoelectric actuators have high energy conversion efficiency from electric force to mechanical force. In addition, piezoelectric actuators are available in a wide variety of materials and shapes. For a piezoelectric actuator, inputting an electric driving signal into the piezoelectric actuator results in a mechanical output in the form of vibration. The vibration output from the transducer induces vibration of the vibrating membrane. Therefore, the use of a piezoelectric actuator within or as a transducer provides an energy-efficient means of inducing vibration of the membrane. However, as an alternative to the use of piezoelectric actuators, actuator(s) comprising one or more of electromagnetic elements, magnetostrictive elements, or electrostrictive elements may also be used in the vibrating transducer.

[0019] The atomizer module may include a vibrating transducer holder configured to support a vibrating transducer. The atomizer module may include a vibrating element. The vibrating transducer may be operably coupled to a vibrating membrane to vibrate the vibrating membrane substantially axially when in use.

[0020] The vibrating transducer holder may be overmolded around the vibrating transducer. The vibrating transducer may be integrated into the vibrating transducer holder. The vibrating transducer holder may comprise a flexible material. The flexible material of the vibrating transducer holder may have a hardness in the range of 5 Shore A to 120 Shore A, preferably 20 Shore A to 40 Shore A. The vibrating transducer holder may comprise a rubber material. By providing a vibrating transducer holder made of a rubber material, the vibrating element may be held in place without significantly damping the vibration of the vibrating element. By providing a vibrating transducer holder made of a rubber material, a seal between the atomizer module and the replaceable mouthpiece may be provided. By providing a vibrating transducer holder made of a rubber material, axial tolerances of the components of the aerosol generation system may be compensated.

[0021] As used herein, "Shore A" refers to the Shore A hardness scale. The Shore A hardness value of a material sample is determined by the degree to which the foot of the durometer penetrates into the sample.

[0022] The vibrating transducer holder may be axisymmetric. By providing the vibrating transducer holder axisymmetrically, orientation is not required during assembly. The vibrating transducer holder may be washer-shaped. The thickness of the vibrating transducer holder may be 1 mm to 10 mm, preferably 2 mm to 5 mm, more preferably about 3 mm.

[0023] The vibrating transducer may be washer-shaped. The vibrating transducer may include a vibrating element.

[0024] A vibration element may be placed on a vibration plane, and when the aerosol generation system is assembled, the vibration plane may not be perpendicular to the longitudinal axis of the aerosol generation system. The vibration plane may be parallel to or include the longitudinal axis of the aerosol generation system. The vibration plane may not be horizontal with respect to the aerosol generation system. The vibration plane may be perpendicular to the aerosol generation system.

[0025] The vibrating element may have a flat shape. The vibrating element may have a disc shape. The vibrating membrane may be formed from any suitable material. For example and without limitation, the vibrating membrane may be formed from a polymer material, thereby providing the advantages of reduced mass and inertia. However, the vibrating membrane may be formed from any other suitable material, such as metal, semiconductor, dielectric, or ceramic material. The material may be crystalline or amorphous. The vibrating membrane may be a composite of two or more different materials. For example and without limitation, examples of membrane materials include stainless steel, alloys such as palladium, silver, Ni-Co or Ni-Pd, polyimide and polyamide, ceramics based on silicon, silicon carbide, silicon nitride, aluminum nitride, silicon oxide, aluminum oxide or barium titanate, or combinations thereof such as layered membranes consisting of layers of silicon and silicon nitride or silicon oxide or metal. The selection of material(s) used for the vibrating membrane may be influenced by the specific liquid aerosol-forming substrate(s) intended to be used with the atomizer module and aerosolized. For example, it is desirable to select a material for the vibrating membrane that does not chemically react or decompose as a result of contact with the selected liquid aerosol-forming substrate. As merely an example, the vibrating membrane may be formed from any of palladium, stainless steel, copper-nickel alloy, polyimide, polyamide, silicon, or aluminum nitride.

[0026] Advantageously, the vibrating membrane may include an aerosol generating zone, and the aerosol generating zone is provided with a plurality of nozzles for the passage of a liquid aerosol forming substrate. The plurality of nozzles allows a dispersion of aerosol droplets to be discharged from the nozzles when the liquid aerosol forming substrate is supplied to one surface of the vibrating membrane. The plurality of nozzles may have a diameter in the range of 1 micrometer to 20 micrometers. As used herein, the term “nozzle” is used to refer to an aperture, hole, or bore through the membrane that provides a passage for the liquid aerosol forming substrate to move through the membrane. For example and without limitation, during the use of the atomizer module, the liquid aerosol forming substrate may come into contact with a first side of the vibrating membrane. Vibration of the vibrating membrane induced by the vibrating output of the transducer may cause the liquid substrate to be pushed through the nozzles to be discharged as an aerosol droplet forming pattern from a second (opposite) side of the membrane. The nozzles can be individually sized and arranged relative to each other to provide a predetermined aerosol droplet formation pattern.

[0027] The aerosol generation system may not include a heating element. The aerosol generation system may include a heating element. The heating element may be located upstream of the vibrating element. By doing so, the viscosity of the liquid aerosol forming substrate can be reduced. Aerosol generation can be performed at ambient temperature. Aerosol generation may not require high temperatures.

[0028] When the aerosol generating system is assembled, the aerosol generating system provides a liquid flow from a replaceable cartridge to an atomizer module in a direction perpendicular to the longitudinal axis of the aerosol generating system. The liquid flow can be provided from the replaceable cartridge to the atomizer module in a direction perpendicular to the longitudinal axis of the aerosol generating system. The direction of the liquid flow from the replaceable cartridge to the atomizer module may be approximately 90 degrees with respect to the longitudinal axis of the aerosol generating system. The direction of the liquid flow from the replaceable cartridge to the atomizer module may be 85 to 95 degrees with respect to the longitudinal axis of the aerosol generating system. During use, the aerosol generating system can be maintained in a horizontal position by the user. By maintaining the aerosol generating system horizontally and providing a liquid flow in a direction perpendicular to the longitudinal axis, the liquid flow can be facilitated by gravity.

[0029] When the aerosol generation system is assembled, the main body may come into direct contact with the atomizer module and the replaceable mouthpiece. When the aerosol generation system is assembled, the replaceable cartridge may not come into direct contact with the main body.

[0030] The atomizer module may be L-shaped. The L-shape of the atomizer module may provide reversible connections to a replaceable cartridge from two sides, preferably two vertical sides. The L-shape of the atomizer module may provide connections to the replaceable cartridge to the distal outer surface of the cartridge and to the lateral outer surface of the cartridge.

[0031] The atomizer module may include a locking system. The locking system may include a sliding portion. The sliding portion may be configured to slide along the longitudinal axis of the aerosol generating system. To remove a replaceable cartridge from the atomizer module, the sliding portion may need to be pushed downward along the longitudinal axis of the aerosol generating system. The atomizer module may include a laterally protruding portion at its distal end that includes a locking system configured to be lockably connected to a replaceable cartridge. The locking system of the atomizer module may provide a reversible connection with the replaceable cartridge. The locking system may be configured to be reversibly connected to the distal outer surface of the replaceable cartridge. The replaceable cartridge may include a connecting portion at its distal end that is configured to be lockably connected to the locking system of the atomizer module. The replaceable cartridge may include a receiving portion for receiving the sliding portion of the atomizer module.

[0032] A replaceable cartridge may be connected to an atomizer module. The replaceable cartridge may be connected to the atomizer module from two sides, preferably from two vertical sides. The replaceable cartridge may be connected to the atomizer module from lateral sides and distal sides. The replaceable cartridge may be connected to the atomizer module from only two sides, preferably from two vertical sides. The replaceable cartridge may be connected to the atomizer module from only lateral sides and distal sides. The replaceable cartridge may be configured to be reversibly connected to the atomizer module. The replaceable cartridge may be reversibly connected to the atomizer module from two sides, preferably from two vertical sides. The replaceable cartridge may be reversibly connected to the atomizer module through at least one of a hinge mechanism, a slider mechanism, a snap-fit ​​mechanism, a bayonet mechanism, a magnetic mechanism, a spring-actuated mechanism, or a push-push mechanism.

[0033] A replaceable cartridge may be reversibly connected to an atomizer module via a hinge mechanism. The replaceable cartridge may include a hinge projection, and the atomizer module may include a receiving portion configured to receive the hinge projection of the replaceable cartridge. The receiving portion may include a rod. The rod may be arranged perpendicular to the longitudinal axis of the aerosol generating system. The rod may be positioned horizontally. The hinge projection may be configured to engage with the rod. The replaceable cartridge may include a hinge projection at its proximal end, and the atomizer module may include a receiving portion at its proximal end.

[0034] The atomizer module can be configured to be connectable to the main body. The atomizer module is replaceable and can be configured to be reversibly connectable to the main body.

[0035] A replaceable mouthpiece may be configured to be reversibly connected to an atomizer module. The replaceable mouthpiece may be reversibly connected to the atomizer module through at least one of a hinge mechanism, a slider mechanism, a snap-fit ​​mechanism, a bayonet mechanism, a magnetic mechanism, a spring-actuated mechanism, or a push-push mechanism. The replaceable mouthpiece may include at least one recess configured to receive at least one protruding connection portion of the atomizer module. The replaceable mouthpiece may include a proximal recess at the proximal end of the replaceable mouthpiece and two distal recesses at the distal end of the replaceable mouthpiece. The atomizer module may include a proximal protruding connection portion and two distal protruding connection portions. The proximal recess of the replaceable mouthpiece may be configured to receive the proximal protruding connection portion of the atomizer module, and the distal recesses may be configured to receive the distal protruding connection portion of the atomizer module.

[0036] Alternatively, instead of a replaceable mouthpiece, an integral mouthpiece may be provided, wherein the integral mouthpiece and the atomizer module may be a single integral element, or the integral mouthpiece and the main body may be a single integral element.

[0037] At least one recess of the replaceable mouthpiece can be shaped to provide a sliding insertion with at least one protruding connection part of the atomizer module.

[0038] A replaceable cartridge may include a liquid reservoir configured to store a liquid aerosol-forming substrate. The liquid reservoir may be configured to store a volume of aerosol-forming substrate of 0.5 ml to 10 ml, preferably 1 ml to 3 ml. The liquid reservoir may include an inner wall. The inner wall may increase the structural rigidity of the replaceable cartridge. The inner wall may include a slanted wall. The slanted wall may facilitate the liquid aerosol-forming substrate being positioned at the distal portion of the replaceable cartridge. The slanted wall may reduce the dead volume of liquid at the distal corner or within the liquid reservoir.

[0039] As used herein, the term 'aerosol-forming substrate' may relate to a substrate capable of releasing a volatile compound capable of forming an aerosol or vapor. The term 'aerosol-forming substrate' may also relate to a substrate capable of being mechanically sprayed. The aerosol-forming substrate may be in the form of a gel or a liquid. The terms 'aerosol' and 'vapor' are used interchangeably. The aerosol-forming substrate may be a liquid.

[0040] As used herein, the term "liquid" refers to a substance provided in liquid form and includes a substance provided in gel form.

[0041] The aerosol-forming substrate may contain nicotine. The nicotine-containing aerosol-forming substrate may be a nicotine salt matrix.

[0042] The above aerosol-forming substrate may include plant-based materials. The above aerosol-forming substrate may include tobacco.

[0043] The replaceable cartridge may include a fluid-permeable element that is in fluid communication with the liquid reservoir. An inclined wall may guide the liquid aerosol-forming substrate toward the fluid-permeable portion. The fluid-permeable element may have a cylindrical shape. The fluid-permeable element may be cylindrical. The fluid-permeable element may include or be composed of a porous material. The fluid-permeable element may include or be composed of a porous wick material. The fluid-permeable element may be a cylindrical wick. The fluid-permeable element may include or be composed of at least one of natural fibers, synthetic polymer fibers, polyethylene or polypropylene fibers, porous ceramic materials, and cellulose fibers.

[0044] A fluid permeable element may be arranged on the lateral side of a replaceable cartridge. A portion of the fluid permeable element may protrude from the outer surface of the replaceable cartridge. The protruding portion may be arranged on the lateral outer surface of the replaceable cartridge. The protruding portion may protrude from the lateral outer surface by 0.05 mm to 5 mm, preferably 0.3 mm to 2 mm. Before the replaceable cartridge is connected to the atomizer unit, the user may remove a cap or seal that protects the protruding portion during storage of the replaceable cartridge. The protruding portion may include a distal surface. When the aerosol generation system is assembled, the distal surface may be positioned parallel to the vibrating element. When the aerosol generation system is assembled, the fluid permeable element may face the vibrating element.

[0045] When the aerosol generating system is assembled, the fluid-permeable element may be in fluid communication with the vibrating element. When the aerosol generating system is assembled, there may be a gap between the fluid-permeable element and the vibrating element. By providing a gap between the fluid-permeable element and the vibrating element when the aerosol generating system is assembled, the gap may be filled with a liquid aerosol forming substrate by capillary force. The gap may be greater than 0 mm and less than 0.5 mm. The gap may be 0.01 mm to 0.5 mm, preferably 0.02 mm to 0.2 mm, and more preferably 0.1 mm.

[0046] The replaceable cartridge may include a retainer. The retainer may be located within the liquid reservoir. The retainer may include an internal volume. The internal volume may be in fluid communication with the liquid reservoir. The retainer may be configured to retain a fluid permeable element. The retainer may be configured to retain a fluid permeable element within the internal volume. The retainer may include an opening. The opening of the retainer may provide fluid communication with the liquid reservoir. The opening may be elongated. By providing an elongated opening in the retainer, better performance may be provided than with a circular geometry, because blockage of the opening by air bubbles can be prevented.

[0047] A replaceable cartridge may include at least one sealing member. At least one sealing member may be arranged on the lateral outer surface of the replaceable cartridge. At least one sealing member may be arranged coaxially around a protruding portion of a fluid-permeable element. At least one sealing member may include two coaxially arranged sealing rings. The two coaxially arranged sealing rings may be a first and a second sealing ring. The first sealing ring may have a smaller diameter than the second sealing ring.

[0048] At least one sealing member of the replaceable cartridge may face the vibrating transducer holder when the replaceable cartridge is connected to the atomizer module. At least one sealing member of the replaceable cartridge may have a diameter smaller than that of the vibrating transducer holder. At least one sealing member of the replaceable cartridge may be slightly compressed when the replaceable cartridge is connected to the atomizer module. At least one sealing member of the replaceable cartridge may provide a hermetic seal with the atomizer module, and preferably may provide a liquid-tight connection.

[0049] Preferably, the hardness of the sealing member may be within the range of 5 Shore A to 120 Shore A. More preferably, the hardness of the sealing member may be within the range of 20 Shore A to 40 Shore A.

[0050] Preferably, the Young's modulus of the sealing member may be within the range of 0.001 GPa to 1 GPa. More preferably, the Young's modulus of the sealing member may be within the range of 0.01 GPa to 0.1 GPa.

[0051] For example, the sealing member may be formed from materials such as neoprene rubber, natural rubber, silicone rubber, nitrile rubber, ethylene propylene diene monomer (EPDM) rubber, and styrene-butadiene rubber; silicone rubber is preferred due to its biocompatibility. Hardness and Young's modulus may also be affected by any processing step performed on the material used for the sealing member; for example, by adding one or more additives to the material selected for the sealing member.

[0052] Preferably, the axial thickness of the sealing member may be within the range of 1 mm to 10 mm. More preferably, the axial thickness of the sealing member may be within the range of 2 mm to 5 mm.

[0053] The atomizer module may include electrical connection means configured to be electrically connected to the main body. The main body may include at least one of a power supply, a control electronic device, and a pressure sensor.

[0054] The power supply may require recharging and may have a capacity to store sufficient energy for one or more user experiences; for example, the power supply may have a capacity sufficient to continuously generate aerosols for a period of about 6 minutes, or for a period that is a multiple of 6 minutes. In another example, the power supply may have a capacity sufficient to provide a predetermined number of puffs. The aerosol generating system may include a charging port for recharging the power supply.

[0055] The power supply unit may be a direct current (DC) power supply unit. In one embodiment, the power supply unit is a DC power supply unit having a DC supply voltage in the range of 2.5 V to 4.5 V and a DC supply current in the range of 1 Amp to 10 Amp (corresponding to a DC power supply unit in the range of 2.5 W to 45 W). The body may advantageously include a DC-AC inverter for converting the DC current supplied by the DC power supply unit into an alternating current. The DC / AC converter may include a Class D, Class C, or Class E power amplifier. The AC power output of the DC / AC converter is supplied to the induction coil.

[0056] The control electronic device may be configured to control the power supply from the power supply unit to the atomizer module to activate the vibrating transducer when in use.

[0057] The control electronic device may include one or more controller modules and / or processors configured to be used to generate an input drive signal to a vibrating transducer, as well as any computer-readable medium storing instructions to be used to generate the input drive signal. The computer-readable medium may include instructions to be used to generate the input drive signal by the controller modules and / or processors. The computer-readable medium may preferably be a non-transient computer-readable medium.

[0058] Preferably, the power source is rechargeable. For example, the power source may include a lithium-ion battery.

[0059] The main body may include a main body housing. The replaceable cartridge may include a cartridge housing. The atomizer module may include an atomizer housing. At least one of the main body housing, cartridge housing, atomizer housing, and rigid housing may be formed of a material such as a rigid plastic material (e.g., polypropylene, high-density polyethylene (HDPE), polyethylene terephthalate (PET), polyetheretherketone (PEEK), or polysulfone (PSU)) or a metal material (e.g., aluminum, but not limited thereto).

[0060] The main body housing may be elongated. The main housing may comprise any suitable material or combination of materials. Examples of suitable materials include metals, alloys, plastics, or composite materials containing one or more of these materials, or thermoplastic resins suitable for food or pharmaceutical applications, such as polypropylene, polyetheretherketone (PEEK), and polyethylene. Preferably, the material is lightweight and non-brittle. The main body housing may include a user interface for activating an aerosol generating system, for example, a button for initiating heating of the aerosol generating system or a display indicating the status of the aerosol generating system or the aerosol forming substrate.

[0061] A replaceable mouthpiece for an aerosol generation system. The replaceable mouthpiece may include one or more of a mouth end portion including an aerosol outlet, an aerosol inlet, an aerosol channel extending between the aerosol inlet and the aerosol outlet, an air inlet, and an air intake channel extending between the air inlet and the aerosol channel. A downstream portion of the air intake channel may be inclined with respect to the aerosol channel.

[0062] An aerosol generating system may be provided that reduces, preferably minimizes, the deposition of particles, particularly droplets, on an inner wall during use by providing a replaceable mouthpiece comprising a downstream portion of an air inlet channel inclined with respect to the aerosol channel. An aerosol generating system may be provided that reduces, preferably minimizes, the deposition of particles, particularly droplets, on an inner wall during use by providing a replaceable mouthpiece comprising a downstream portion of an air inlet channel inclined with respect to the aerosol channel. A replaceable mouthpiece having an improved airflow design may be provided by providing a replaceable mouthpiece comprising a downstream portion of an air inlet channel inclined with respect to the aerosol channel.

[0063] The replaceable mouthpiece may include a longitudinal axis. The longitudinal axis of the replaceable mouthpiece may be parallel to the longitudinal axis of the aerosol generating system. The longitudinal axis of the replaceable mouthpiece may extend between the proximal end of the replaceable mouthpiece and the distal end of the replaceable mouthpiece.

[0064] The aerosol channel may include a downstream portion, an upstream portion, and a bend between the upstream and downstream portions. The aerosol channel may include only a bend. The downstream portion and the upstream portion may extend in different directions. An air inlet channel may be connected to the aerosol channel in the bend region of the aerosol channel. The bend may be at least 45 degrees, preferably about 90 degrees. The upstream portion of the aerosol channel may be perpendicular to the longitudinal axis of the replaceable mouthpiece. The downstream portion of the aerosol channel may not be perpendicular to the longitudinal axis of the replaceable mouthpiece. The downstream portion of the aerosol channel may be parallel to the longitudinal axis of the replaceable mouthpiece. An aerosol outlet may be arranged in the aerosol outlet plane. The aerosol outlet plane may be perpendicular to the longitudinal axis of the replaceable mouthpiece. An aerosol inlet may be arranged in the aerosol inlet plane. The aerosol inlet plane may be parallel to the longitudinal axis of the replaceable mouthpiece.

[0065] As used herein, the terms 'upstream' and 'downstream' are used to describe the relative positions of a component or part of a component of an aerosol generating system with respect to the direction in which the user inhales the aerosol generating device during use.

[0066] Alternatively, the aerosol channel may be straight and perpendicular to the longitudinal axis of the replaceable mouthpiece. In this embodiment, the mouth end may be arranged on the lateral side of the aerosol generator, and the aerosol generator system may be maintained vertically.

[0067] During use of the aerosol generation system, the air inlet channel may be configured to direct the surrounding air wall toward the aerosol flow within the aerosol channel. The surrounding air wall may be configured to reduce, preferably prevent, direct contact between the bend between the upstream and downstream sections and the aerosol flow. During use of the aerosol generation system, the air inlet channel may be configured to direct the surrounding air wall toward the wall of the aerosol channel. The surrounding air wall may reduce or prevent aerosol droplet deposition on the inner wall of the aerosol channel. The surrounding air wall may minimize collisions and fusion of aerosol particles on the inner wall of the aerosol channel.

[0068] The downstream portion of the air inlet channel may include a longitudinal axis. The longitudinal axis of the downstream portion of the air inlet channel may not be parallel to the longitudinal axis of the replaceable mouthpiece. The longitudinal axis of the downstream portion of the air inlet channel may not be perpendicular to the longitudinal axis of the replaceable mouthpiece. The longitudinal axis of the downstream portion of the air inlet channel may form an angle of 0 to 90 degrees, preferably 40 to 80 degrees, with respect to the longitudinal axis of the replaceable mouthpiece.

[0069] As a replaceable mouthpiece according to any one of the aforementioned claims, the aerosol inlet may be configured to be connectable to an atomizer module of the aerosol generating system. The aerosol inlet may be axially surrounded by a replaceable mouthpiece sealing member. The replaceable mouthpiece sealing member may be a rubber seal. The replaceable mouthpiece sealing member may be slightly compressed when the replaceable mouthpiece is connected to the atomizer module. The replaceable mouthpiece sealing member may provide a hermetic seal with the atomizer module, and preferably may provide a liquid-tight connection.

[0070] The air inlet channel may include an upstream portion. The upstream portion of the air inlet channel may be connected to a pressure sensor channel, and the pressure sensor channel may be configured to be connectable to the main body of an aerosol generating system containing a pressure sensor. The pressure sensor channel may include a pressure sensor opening. The pressure sensor opening may be configured to be fluidly connected to a pressure sensor of the connected main body. The pressure sensor opening may be axially surrounded by a seal, preferably a rubber seal. The seal may be slightly compressed when the pressure sensor channel is connected to the main body.

[0071] The air inlet may include a flow restrictor. The flow restrictor may increase the resistance to suction (RTD) of the aerosol generation system.

[0072] Aerosol channels may have a cross-section with a circular or elliptical shape, or a rectangular shape with rounded corners.

[0073] The replaceable mouthpiece may include a proximal portion and a distal portion. The proximal portion may include an aerosol channel, and the distal portion may include an air inlet channel. The air inlet may be arranged at the distal end of the replaceable mouthpiece, preferably on the lateral side of the distal end. The air inlet channel may have a non-circular cross-section. The air inlet channel may have an elliptical cross-section or a rectangular cross-section with rounded corners.

[0074] The main body may include a puff sensor. The puff sensor may be located downstream of the flow restrictor. The puff sensor may be a pressure sensor. The pressure sensor may include any suitable type of pressure sensor. The pressure sensor may be configured, for example, to detect when negative pressure is applied to the air outlet when the user puffs. By providing the aerosol generating system with a pressure sensor configured to detect the pressure of the airflow path passing through the aerosol generating system, the aerosol generating system can detect when the user puffs the replaceable mouthpiece of the aerosol generating system. The flow restrictor may enable puff detection through the pressure sensor.

[0075] According to one embodiment of the present invention, a method for assembling an aerosol generating system as described herein is provided. The method may include at least one of the steps of reversibly connecting an atomizer module to a main body, reversibly connecting a replaceable mouthpiece to the atomizer module, and reversibly connecting a replaceable cartridge to the atomizer module from a lateral side of the aerosol generating system.

[0076] A replaceable mouthpiece can be connected to an atomizer module by being inserted from the side of the aerosol generating system and then sliding longitudinally toward the main body.

[0077] A replaceable cartridge can be connected to an atomizer module via a hinge mechanism. The replaceable cartridge can be connected to the atomizer module by hooking a hinge projection onto a rod. After hooking the hinge projection onto the rod, the replaceable cartridge can be rotated downward toward the distal end of the atomizer module. Subsequently, the replaceable cartridge can be locked into the atomizer module via a locking system.

[0078] The replaceable cartridge can be removed from the aerosol generating system by sliding the sliding part downward and removing the hinge protrusion from the rod of the atomizer module.

[0079] A non-limiting, non-comprehensive list of embodiments is provided below. Any one or more of the features of these embodiments may be combined with any one or more of the features of other embodiments, embodiments, or aspects described herein.

[0080] Example Ex1. As an aerosol generation system,

[0081] entity;

[0082] Replaceable mouthpiece;

[0083] Atomizer module; and

[0084] Includes replaceable cartridges;

[0085] Herein, when the aerosol generating system is assembled, the atomizer module is positioned laterally to the aerosol generating system between the replaceable mouthpiece and the replaceable cartridge.

[0086] Example Ex2. In Example Ex1, the aerosol generating system, wherein the replaceable cartridge is reversibly insertable from the lateral side of the aerosol generating system.

[0087] Example Ex3. In any one of the previous embodiments, the atomizer module comprises a piezoelectric actuator, an aerosol generating system.

[0088] Example Ex4. In any one of the prior embodiments, the atomizer module comprises a vibration element, an aerosol generating system.

[0089] Example Ex5. In Example Ex4, the aerosol generating system, wherein the vibration element is one of a vibration mesh, a vibration membrane, or a vibration plate.

[0090] Example Ex6. An aerosol generating system, wherein in either Example Ex4 or Ex5, the vibration element is disposed on a vibration plane, and when the aerosol generating system is assembled, the vibration plane is not perpendicular to the longitudinal axis of the aerosol generating system, preferably the vibration plane is parallel to or includes the longitudinal axis of the aerosol generating system.

[0091] Example Ex7. An aerosol generating system in any one of Examples Ex4 to Ex6, wherein the vibrating element has a flat shape, preferably a disc shape.

[0092] Example Ex8. In any one of the previous embodiments, the aerosol generating system is an aerosol generating system that does not include a heating element.

[0093] Example Ex9. In any one of the prior embodiments, when the aerosol generating system is assembled, the aerosol generating system provides a liquid flow from the replaceable cartridge to the atomizer module in a direction perpendicular to the longitudinal axis of the aerosol generating system.

[0094] Example Ex10. In any one of the prior embodiments, when the aerosol generating system is assembled, the main body is in direct contact with the atomizer module and the replaceable mouthpiece, an aerosol generating system.

[0095] Example Ex11. An aerosol generating system in which, in any one of the prior embodiments, when the aerosol generating system is assembled, the replaceable cartridge does not come into direct contact with the main body.

[0096] Example Ex12. In any one of the previous embodiments, the atomizer module is L-shaped, an aerosol generating system.

[0097] Example Ex13. In any one of the prior embodiments, the atomizer module comprises a laterally protruding portion including a locking system configured to be lockably connected to the replaceable cartridge at the distal end, an aerosol generating system.

[0098] Example Ex13a. In any one of the prior embodiments, the replaceable cartridge is an aerosol generating system that can be connected to an atomizer module from two sides, preferably two orthogonal sides.

[0099] Example Ex13b. In any one of the prior embodiments, the aerosol generating system, wherein the replaceable cartridge can be connected to the atomizer module from only two sides, preferably two sides orthogonal to each other.

[0100] Example Ex13c. In any one of the prior embodiments, the replaceable cartridge is an aerosol generating system that can be connected to an atomizer module from the lateral side and the distal side.

[0101] Example Ex13d. In any one of the prior embodiments, the aerosol generating system, wherein the replaceable cartridge is connectable to the atomizer module only from the lateral side and the distal side.

[0102] Example Ex14. In any one of the prior embodiments, the aerosol generating system is configured such that the replaceable cartridge is reversibly connectable to the atomizer module.

[0103] Example Ex14a. In any one of the prior embodiments, the aerosol generating system is configured such that the replaceable cartridge is reversibly connectable to the atomizer module from two sides, preferably two sides orthogonal to each other.

[0104] Example Ex15. An aerosol generating system in Examples Ex14 to Ex14a, wherein the replaceable cartridge is reversibly connectable to the atomizer module through at least one of a hinge mechanism, a slider mechanism, a snap-fit ​​mechanism, a bayonet mechanism, a magnetic mechanism, a spring-actuated mechanism, or a push-push mechanism.

[0105] Example Ex16. An aerosol generating system according to Example Ex15, wherein the replaceable cartridge is reversibly connectable to the atomizer module through a hinge mechanism, the replaceable cartridge includes a hinge protrusion, and the atomizer module includes a receiving portion configured to receive the hinge protrusion of the replaceable cartridge.

[0106] Example Ex17. An aerosol generating system in Example Ex16, wherein the replaceable cartridge includes a hinge protrusion at the proximal end and the nebulizer module includes a receiving portion at the proximal end.

[0107] Example Ex18. An aerosol generating system, wherein in any one of the prior embodiments, the atomizer module is configured to be connectable to the main body, and preferably, the atomizer module is configured to be replaceable and reversibly connectable to the main body.

[0108] Example Ex19. An aerosol generating system in any one of the prior embodiments, wherein the replaceable mouthpiece is configured to be reversibly connectable to the atomizer module.

[0109] Example Ex20. In Example Ex19, the replaceable mouthpiece is an aerosol generating system reversibly connectable to the atomizer module through at least one of a hinge mechanism, a slider mechanism, a snap-fit ​​mechanism, a bayonet mechanism, a magnetic mechanism, a spring-actuated mechanism, or a push-push mechanism.

[0110] Example Ex21. In any one of the previous embodiments, the replaceable mouthpiece is:

[0111] Mouse end portion including an aerosol outlet;

[0112] Aerosol inlet;

[0113] An aerosol channel extending between the aerosol inlet and the aerosol outlet;

[0114] air inlet,

[0115] It includes an air inlet channel extending between the air inlet and the aerosol channel;

[0116] An aerosol generation system in which the downstream portion of the air inlet channel is inclined with respect to the aerosol channel.

[0117] Example Ex22. An aerosol generating system according to Example Ex21, wherein the aerosol channel comprises a downstream portion and an upstream portion, and a bend between the upstream portion and the downstream portion, preferably the aerosol channel comprises only one bend.

[0118] Example Ex23. In Example Ex22, the air inlet channel joins the aerosol channel in the bending region of the aerosol channel, an aerosol generating system.

[0119] Example Ex24. An aerosol generating system in either Example Ex22 or 23, wherein the bend is at least 45 degrees, preferably about 90 degrees.

[0120] Example Ex25. An aerosol generating system in any one of Examples Ex22 to 24, wherein the upstream portion of the aerosol channel is perpendicular to the longitudinal axis of the replaceable mouthpiece.

[0121] Example Ex26. An aerosol generating system in Example Ex25, wherein the downstream portion of the aerosol channel is not perpendicular to the longitudinal axis of the replaceable mouthpiece, and preferably the downstream portion of the aerosol channel is parallel to the longitudinal axis of the replaceable mouthpiece.

[0122] Example Ex27. In Example Ex21, the aerosol generating system, wherein the aerosol channel is straight and perpendicular to the longitudinal axis of the replaceable mouthpiece.

[0123] Example Ex28. An aerosol generating system in any one of Examples Ex21 to Ex27, wherein, during use of the aerosol generating system, the air inlet channel is configured to guide the wall of ambient air toward the aerosol flow within the aerosol channel.

[0124] Example Ex29. An aerosol generating system in any one of Examples Ex21 to 28, wherein the wall of ambient air is configured to reduce, preferably prevent, the aerosol flow from coming into direct contact with the bend of Example Ex22.

[0125] Example Ex30. An aerosol generating system in any one of Examples Ex21 to Ex29, wherein, during use of the aerosol generating system, the air inlet channel is configured to guide the wall of the surrounding air toward the wall of the aerosol channel.

[0126] Example Ex31. An aerosol generating system in any one of Examples Ex21 to Ex30, wherein the downstream portion of the air inlet channel comprises a longitudinal axis forming an angle of 0 to 90 degrees, preferably 40 to 80 degrees, with respect to the longitudinal axis of the replaceable mouthpiece.

[0127] Example Ex32. An aerosol generating system in any one of Examples Ex21 to 31, wherein the aerosol inlet is configured to be connectable to an atomizer module of the aerosol generating system.

[0128] Example Ex33. An aerosol generating system in any one of Examples Ex21 to Ex32, wherein the upstream portion of the air inlet channel is connected to a pressure sensor channel, and the pressure sensor channel is configured to be connectable to a main body of an aerosol generating system including a pressure sensor.

[0129] Example Ex34. An aerosol generating system in any one of Examples Ex21 to Ex33, wherein the air inlet includes a flow limiting part.

[0130] Example Ex35. An aerosol generating system in any one of Examples Ex21 to Ex34, wherein the aerosol channel has a cross-section having a circular or elliptical shape, or a rectangular shape with rounded corners.

[0131] Example Ex36. An aerosol generating system in any one of Examples Ex21 to Ex35, comprising a proximal portion and a distal portion, wherein the proximal portion comprises an aerosol channel and the distal portion comprises an air inlet channel.

[0132] Example Ex37. An aerosol generating system in any one of Examples Ex21 to Ex36, wherein the air inlet is arranged at the distal end of the replaceable mouthpiece, preferably on the lateral side of the distal end.

[0133] Example Ex38. An aerosol generating system in any one of Examples Ex21 to Ex37, wherein the air inlet channel has a cross-section having a non-circular shape.

[0134] Example Ex39. An aerosol generating system in any one of Examples Ex21 to Ex38, wherein the air inlet channel has a cross-section having an elliptical shape or a rectangular shape with rounded corners.

[0135] Example Ex40. In any one of the prior embodiments, the aerosol generating system, wherein the replaceable cartridge comprises a liquid storage portion configured to store a liquid aerosol forming substrate.

[0136] Example Ex41. In Example Ex40, the aerosol generating system, wherein the replaceable cartridge comprises a fluid-permeable element in fluid communication with the liquid storage unit.

[0137] Example Ex42. An aerosol generating system in Example Ex41, wherein the fluid permeable element has a cylindrical shape, preferably the fluid permeable element is cylindrical.

[0138] Example Ex43. An aerosol generating system in either Example Ex41 or Ex42, wherein the fluid permeable element comprises or is made of a porous material, preferably the fluid permeable element comprises or is made of a porous wick material.

[0139] Example Ex44. An aerosol generating system in any one of Examples Ex41 to Ex43, wherein the fluid permeable element is arranged on a lateral side of the replaceable cartridge, and preferably, a portion of the fluid permeable element protrudes from the outer surface of the replaceable cartridge.

[0140] Example Ex45. In Example Ex44, the protrusion includes an end surface, and when the aerosol generating system is assembled, the end surface is positioned parallel to the vibration element of Example Ex4, an aerosol generating system.

[0141] Example Ex46. An aerosol generating system in any one of Examples Ex41 to Ex45, wherein when the aerosol generating system is assembled, the fluid permeable element faces the vibrating element of Example Ex4, and preferably the fluid permeable element is in fluid communication with the vibrating element of Example Ex4.

[0142] Example Ex47. An aerosol generating system in any one of Examples Ex41 to Ex46, wherein when the aerosol generating system is assembled, there is a gap between the fluid permeable element and the vibrating element of Example Ex4, preferably the gap is 0.01 mm to 0.5 mm, and more preferably 0.02 mm to 0.2 mm.

[0143] Example Ex48. An aerosol generating system in any one of the prior embodiments, wherein the atomizer module comprises an electrical connection means configured to be electrically connected to the main body.

[0144] Example Ex49. In any one of the prior embodiments, the main body comprises at least one of a power supply unit, a control electronic device, and a pressure sensor, an aerosol generating system.

[0145] Example Ex50. A method for assembling an aerosol generating system according to any one of the previous embodiments,

[0146] A step of reversibly connecting the above atomizer module to the above main body,

[0147] The step of reversibly connecting the above-mentioned replaceable mouthpiece to the above-mentioned atomizer module,

[0148] A method comprising the step of reversibly connecting the replaceable cartridge to the atomizer module from a lateral side of the aerosol generating system.

[0149] Example Ex50a. In Example Ex50, the method wherein the replaceable mouthpiece is connected to the atomizer module from two sides.

[0150] Example Ex51. A method in Example Ex50 or Example Ex50a, wherein the replaceable mouthpiece is inserted from a lateral side of the aerosol generating system and then connected to the atomizer module by sliding movement in the longitudinal direction toward the main body.

[0151] Example Ex52. A method in which, in either Example Ex50 or Ex51, the replaceable cartridge is connected to the atomizer module through a hinge mechanism.

[0152] The features described in relation to one embodiment may be equally applied to other embodiments of the present invention. Brief explanation of the drawing

[0153] The present invention will be further explained with reference to the accompanying drawings merely as an example: Figure 1 shows an aerosol generation system; FIGS. 2a to 2e show the connection mechanism of individual components of an aerosol generation system; FIGS. 3A and 3B show the cartridge of an aerosol generating system, and FIG. 3C shows the atomizer module; FIG. 4a shows the aerosol generation and airflow of an aerosol generation system; FIG. 4b and FIG. 4c show the design of a replaceable mouthpiece; FIGS. 5a through 5f show different designs of replaceable mouthpieces of an aerosol generating system; Specific details for implementing the invention

[0154] FIG. 1 shows an aerosol generating system (10) in an assembled state. The aerosol generating system includes a main body (12), a replaceable mouthpiece (14), an atomizer module (16), and a replaceable cartridge (18). The atomizer module (16) is located in the lateral direction (20) of the aerosol generating system (10) between the replaceable mouthpiece (14) and the replaceable cartridge (18). The lateral direction or axis (20) is perpendicular to the longitudinal axis (22) of the aerosol generating system (10). The atomizer module (16) is sandwiched between the replaceable mouthpiece (14) and the replaceable cartridge (18). The replaceable cartridge (18) is directly connected to the atomizer module (16) due to the L-shape of the atomizer module (16), but is not connected to the main body (12).

[0155] FIGS. 2a through 2c illustrate a connection mechanism for a replaceable cartridge (18) to an atomizer module (16). In FIG. 2a, the replaceable cartridge (18) is shown disassembled from the aerosol generating system (10). The replaceable cartridge (18) includes a hinge projection (24) at the proximal end of the replaceable cartridge (18). The hinge projection (24) is configured to engage with the rod (26) of the atomizer module (16). The distal end of the atomizer module (16) includes a locking system comprising a sliding portion (30) at a laterally protruding portion (28). The sliding portion (30) is configured to be lockably connected to the hinge projection (24). The replaceable cartridge (18) includes a receiving portion (32) for receiving the sliding portion (30) of the atomizer module (16).

[0156] After the hinge protrusion (24) is placed over the rod (26), the replaceable cartridge (18) can be rotated downward toward the distal end of the atomizer module (16) (see FIG. 2b). Then, the replaceable cartridge (18) can be locked into the atomizer module (16) via a sliding part (30) that is received within the receiving part (32) of the replaceable cartridge (18), so as to be assembled into the aerosol generating system shown in FIG. 2c. To remove the replaceable cartridge (18) from the atomizer module (16), the sliding part (30) must be pushed downward along the longitudinal axis (22) of the aerosol generating system (10).

[0157] FIGS. 2d and 2e show the connection of a replaceable mouthpiece (14) to an atomizer module (16). The replaceable mouthpiece (14) is connected to the atomizer module (16) by being inserted from the lateral side of the aerosol generating system (10) indicated by arrow 1, and then sliding longitudinally toward the main body (12) indicated by arrow 2.

[0158] The replaceable mouthpiece (14) includes a proximal recess (34) at the proximal end of the replaceable mouthpiece and two distal recesses (36 and 36') at the distal end of the replaceable mouthpiece (14). The atomizer module (16) includes a proximal protruding connection part (38) and two distal protruding connection parts (40 and 40'). The proximal recess (34) of the replaceable mouthpiece (14) is configured to receive the proximal protruding connection part (38) of the atomizer module (18), and the distal recesses (36 and 36') are configured to receive the distal protrusions (40 and 40') of the atomizer module (16), respectively. The recesses (34, 36 and 36') of the replaceable mouthpiece (14) are formed so as to be slidably inserted into the protruding connecting parts (38, 40 and 40') of the atomizer module (16).

[0159] FIG. 3a shows the appearance of a replaceable cartridge (18), and FIG. 3b shows a cross-sectional view of a replaceable cartridge (18). The replaceable cartridge (18) includes a hinge protrusion (24), first and second sealing rings (42 and 42'), a protrusion (44) of a fluid permeable element (46), and a retainer (48) located in a liquid reservoir (50). The liquid reservoir (50) includes a liquid aerosol forming substrate (not shown). The retainer (48) is configured to hold the fluid permeable element (46). The retainer (48) includes at least one elongated opening (52). The at least one elongated opening (52) of the retainer (48) provides fluid communication with the liquid reservoir (50).

[0160] The fluid permeable element (46) is a cylindrical porous wick. The protrusion (44) protrudes from the lateral outer surface (54) of the replaceable cartridge (18). The protrusion (44) may protrude from the lateral outer surface (54) by 0.05 mm to 5 mm, preferably 0.3 mm to 2 mm.

[0161] FIG. 3c shows an enlarged view of a vibrating transducer holder (56) comprising a washer-shaped vibrating transducer (58) holding an atomizer module (16) and a vibrating membrane (60). The vibrating transducer holder (56) is overmolded around the vibrating transducer (58). Preferably, the vibrating transducer (58) is a piezoelectric actuator. The vibrating transducer holder (56) includes an electrical connection portion (62) configured to be connectable to a power supply of a main body (not shown).

[0162] When the aerosol generating system is assembled, the end surface (64) of the fluid permeable element (46) is positioned parallel to the vibrating element (60). When the aerosol generating system (10) is assembled (not shown in FIG. 3), the fluid permeable element (46) faces the vibrating element (60) of the atomizer module (16). In the assembled state, the fluid permeable element (46) and the vibrating element (60) are fluidly connected to each other.

[0163] FIG. 4a illustrates aerosol generation during the use of the aerosol generation system (10). A liquid aerosol-forming material flows from the liquid reservoir (50) through the opening of the retainer (48) toward and through the fluid-permeable element (46) indicated by arrow (62). Then, the liquid aerosol-forming material flows from the end surface (64) of the fluid-permeable element (46) toward the vibrating membrane (60), where the aerosol is generated in the aerosol generation zone, and the aerosol flow is indicated by arrow (66). As can be seen in FIG. 4a, in the assembled state of the aerosol generation system (10), the vibrating membrane (60) is arranged parallel to the longitudinal axis (20) of the aerosol generation system (10). Preferably, a small gap is provided between the vibrating membrane (60) and the end surface (64) of the fluid-permeable element. The gap may be 0.01 mm to 0.5 mm, preferably 0.02 mm to 0.2 mm.

[0164] The replaceable mouthpiece (14) comprises a mouth end portion including an aerosol outlet (68), an aerosol inlet (70) (see FIG. 4b), an aerosol channel (72) extending between the aerosol inlet (70) and the aerosol outlet (68) (see FIG. 4c), an air inlet (74) (see FIG. 4c), and an air inlet channel (76) extending between the air inlet (74) and the aerosol channel (72). The downstream portion (78) of the air inlet channel (76) is inclined with respect to the aerosol channel (72).

[0165] The downstream portion (78) of the air inlet channel (76) includes a longitudinal axis (80). The longitudinal axis (80) of the downstream portion (78) of the air inlet channel (76) forms an angle (82) with the longitudinal axis of the aerosol generating system (22) parallel to the longitudinal axis of the replaceable mouthpiece (not shown). The angle (82) is 0 to 90 degrees, preferably 40 to 80 degrees.

[0166] During use of the aerosol generation system (10), the air inlet channel (76) induces a wall (84) of surrounding air indicated by the arrow (86) to the aerosol flow (66) within the aerosol channel (72).

[0167] The aerosol inlet (70) is axially surrounded by a replaceable mouthpiece sealing member (90) and provides a hermetic and / or liquid-tight seal with the atomizer module (16).

[0168] The air inlet channel (76) can be connected to the pressure sensor channel (92). The pressure sensor channel (92) is configured to be connectable to the main body (12) including the pressure sensor (94).

[0169] FIGS. 5a through 5c show the appearance of an aerosol generating system having different configurations of the mouse end portion. FIG. 5a shows the aforementioned replaceable mouthpiece (16). FIG. 5b shows a replaceable mouthpiece (16') having an oblige aerosol channel (72'). FIG. 5c shows a replaceable mouthpiece (16'') having a straight but laterally arranged aerosol channel (72''). The aerosol channel (72) of the replaceable mouthpiece shown in FIG. 5a includes a bend of about 90 degrees. The aerosol channel (72) of the replaceable mouthpiece shown in FIG. 5ab includes a bend of about 45 degrees. The aerosol channel (72) of the replaceable mouthpiece shown in FIG. 5c has no bend and is therefore straight.

[0170] FIGS. 5d through 5f show cross-sections of the system illustrated in FIGS. 5a through 5c. As can be seen from all configurations of the aerosol channel, the downstream portions (78, 78' and 78'') are inclined with respect to the aerosol channel.

Claims

Claim 1 An aerosol generating system comprising: a main body; a replaceable mouthpiece; an atomizer module; and a replaceable cartridge; wherein, when the aerosol generating system is assembled, the atomizer module is positioned laterally to the aerosol generating system between the replaceable mouthpiece and the replaceable cartridge, and the replaceable cartridge is connectable to the atomizer module from two sides, preferably from two sides perpendicular to each other. Claim 2 In claim 1, the aerosol generating system, wherein the replaceable cartridge is reversibly insertable from a lateral side of the aerosol generating system. Claim 3 An aerosol generating system according to claim 1 or 2, wherein the atomizer module comprises one or both of a piezoelectric actuator and a vibration element, preferably wherein the vibration element is one of a vibration mesh, a vibration membrane, or a vibration plate. Claim 4 In paragraph 3, the vibration element is disposed on a vibration plane, and when the aerosol generating system is assembled, the vibration plane is not perpendicular to the longitudinal axis of the aerosol generating system, preferably the vibration plane is parallel to or includes the longitudinal axis of the aerosol generating system, and more preferably the vibration element has a flat shape, preferably a disc shape, an aerosol generating system. Claim 5 An aerosol generating system according to any one of claims 1 to 4, wherein when the aerosol generating system is assembled, the aerosol generating system provides a liquid flow from the replaceable cartridge to the atomizer module in a direction perpendicular to the longitudinal axis of the aerosol generating system. Claim 6 An aerosol generating system according to any one of claims 1 to 5, wherein when the aerosol generating system is assembled, the main body is in direct contact with the atomizer module and the replaceable mouthpiece. Claim 7 An aerosol generating system according to any one of claims 1 to 6, wherein when the aerosol generating system is assembled, the replaceable cartridge does not come into direct contact with the main body. Claim 8 An aerosol generating system according to any one of claims 1 to 7, wherein the replaceable cartridge is preferably configured to be reversibly connected to the atomizer module through at least one of a hinge mechanism, a slider mechanism, a snap-fit ​​mechanism, a bayonet mechanism, a magnetic mechanism, a spring-actuated mechanism, or a push-push mechanism. Claim 9 An aerosol generating system according to any one of claims 1 to 8, wherein the replaceable mouthpiece comprises: a mouth end portion including an aerosol outlet; an aerosol inlet; an aerosol channel extending between the aerosol inlet and the aerosol outlet; an air inlet, an air inlet channel extending between the air inlet and the aerosol channel; a downstream portion of the air inlet channel is inclined with respect to the aerosol channel, preferably the aerosol channel comprises a downstream portion and an upstream portion, and a bend between the upstream portion and the downstream portion, more preferably a wall of ambient air is configured to reduce, preferably prevent, direct contact between the bend and the aerosol flow. Claim 10 An aerosol generating system according to any one of claims 1 to 9, wherein the replaceable cartridge comprises a liquid storage portion configured to store a liquid aerosol forming substrate. Claim 11 In claim 10, the above-mentioned replaceable cartridge comprises a fluid-permeable element fluidly communicating with the above-mentioned liquid storage unit, in an aerosol generating system. Claim 12 An aerosol generating system according to claim 11, wherein the fluid permeable element is arranged on a lateral side of the replaceable cartridge, and preferably, a portion of the fluid permeable element protrudes from the outer surface of the replaceable cartridge. Claim 13 An aerosol generating system according to any one of claims 10 to 12, wherein when the aerosol generating system is assembled, there is a gap between the fluid permeable element and the vibration element of claim 3, preferably the gap is 0.01 mm to 0.5 mm, more preferably 0.02 mm to 0.2 mm. Claim 14 A method for assembling an aerosol generating system according to any one of claims 1 to 13, comprising: a step of reversibly connecting an atomizer module to a main body; a step of reversibly connecting a replaceable mouthpiece to the atomizer module; and a step of reversibly connecting a replaceable cartridge to the atomizer module from a lateral side of the aerosol generating system. Claim 15 A method according to claim 14, wherein the replaceable mouthpiece is connected to the atomizer module by sliding longitudinally toward the main body following insertion from the lateral side of the aerosol generating system.

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